Updated Settings Page

Reviewed-on: #115

.gitignore

@@ -1,3 +1,13 @@
 .env.version
 *.pb.go
 *.pb.gw.go
+pubspec.lock
+.DS_Store
+analysis_options.yaml
+devtools_options.yaml
+untranslated.txt
+generate_protos.sh
+update_dep.sh
+.vscode/
+.gocache/
+.cache/

.vscode/settings.json

@@ -1,5 +0,0 @@
-{
-    "yaml.schemas": {
-        "https://raw.githubusercontent.com/woodpecker-ci/woodpecker/main/pipeline/frontend/yaml/linter/schema/schema.json": "file:///Users/stephan/Documents/Projects/sendico/.woodpecker/chain_gateway.yml"
-    }
-}

.woodpecker/chain_gateway.yml

@@ -1,11 +1,11 @@
 matrix:
   include:
-    - CHAIN_GATEWAY_IMAGE_PATH: chain/gateway
+    - CHAIN_GATEWAY_IMAGE_PATH: gateway/chain
       CHAIN_GATEWAY_DOCKERFILE: ci/prod/compose/chain_gateway.dockerfile
       CHAIN_GATEWAY_MONGO_SECRET_PATH: sendico/db
-      CHAIN_GATEWAY_RPC_SECRET_PATH: sendico/chain/gateway
+      CHAIN_GATEWAY_RPC_SECRET_PATH: sendico/gateway/chain
-      CHAIN_GATEWAY_WALLET_SECRET_PATH: sendico/chain/gateway/wallet
+      CHAIN_GATEWAY_WALLET_SECRET_PATH: sendico/gateway/chain/wallet
-      CHAIN_GATEWAY_VAULT_SECRET_PATH: sendico/chain/gateway/vault
+      CHAIN_GATEWAY_VAULT_SECRET_PATH: sendico/gateway/chain/vault
       CHAIN_GATEWAY_ENV: prod
 
 when:

.woodpecker/frontend.yml

@@ -0,0 +1,61 @@
+matrix:
+  include:
+    - FRONTEND_IMAGE_PATH: frontend/service
+      FRONTEND_DOCKERFILE: ci/prod/compose/frontend.dockerfile
+      FRONTEND_ENV: prod
+
+when:
+  - event: push
+    branch: main
+
+steps:
+  - name: version
+    image: alpine:latest
+    commands:
+      - set -euo pipefail 2>/dev/null || set -eu
+      - apk add --no-cache git
+      - GIT_REV="$(git rev-parse --short HEAD)"
+      - BUILD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+      - APP_V="$(cat version)"
+      - BUILD_DATE="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+      - BUILD_USER="${WOODPECKER_MACHINE:-woodpecker}"
+      - printf "GIT_REV=%s\nBUILD_BRANCH=%s\nAPP_V=%s\nBUILD_DATE=%s\nBUILD_USER=%s\n" \
+          "$GIT_REV" "$BUILD_BRANCH" "$APP_V" "$BUILD_DATE" "$BUILD_USER" | tee .env.version
+
+  - name: secrets
+    image: alpine:latest
+    depends_on: [ version ]
+    environment:
+      VAULT_ADDR: { from_secret: VAULT_ADDR }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }
+    commands:
+      - set -euo pipefail
+      - apk add --no-cache bash coreutils openssh-keygen curl sed python3
+      - mkdir -p secrets
+      - ./ci/vlt kv_to_file kv ops/deploy/ssh_key private_b64 secrets/SSH_KEY.b64 600
+      - base64 -d secrets/SSH_KEY.b64 > secrets/SSH_KEY
+      - chmod 600 secrets/SSH_KEY
+      - ssh-keygen -y -f secrets/SSH_KEY >/dev/null
+      - ./ci/vlt kv_get kv registry user > secrets/REGISTRY_USER
+      - ./ci/vlt kv_get kv registry password > secrets/REGISTRY_PASSWORD
+
+  - name: build-image
+    image: gcr.io/kaniko-project/executor:debug
+    depends_on: [ version, secrets ]
+    commands:
+      - sh ci/scripts/frontend/build-image.sh
+
+  - name: deploy
+    image: alpine:latest
+    depends_on: [ secrets, build-image ]
+    environment:
+      VAULT_ADDR: { from_secret: VAULT_ADDR }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }
+    commands:
+      - set -euo pipefail
+      - apk add --no-cache bash openssh-client rsync coreutils curl sed python3
+      - mkdir -p /root/.ssh
+      - install -m 600 secrets/SSH_KEY /root/.ssh/id_rsa
+      - sh ci/scripts/frontend/deploy.sh

.woodpecker/fx_ingestor.yml

@@ -7,13 +7,6 @@ matrix:
       FX_MONGO_SECRET_PATH: sendico/db
       FX_NEEDS_NATS: "false"
       FX_ENV: prod
-    - FX_PIPELINE: fx_oracle
-      FX_IMAGE_PATH: fx/oracle
-      FX_DOCKERFILE: ci/prod/compose/fx_oracle.dockerfile
-      FX_DEPLOY_TARGET: oracle
-      FX_MONGO_SECRET_PATH: sendico/db
-      FX_NEEDS_NATS: "true"
-      FX_ENV: prod
 
 when:
   - event: push

.woodpecker/fx_oracle.yml

@@ -0,0 +1,77 @@
+matrix:
+  include:
+    - FX_PIPELINE: fx_oracle
+      FX_IMAGE_PATH: fx/oracle
+      FX_DOCKERFILE: ci/prod/compose/fx_oracle.dockerfile
+      FX_DEPLOY_TARGET: oracle
+      FX_MONGO_SECRET_PATH: sendico/db
+      FX_NEEDS_NATS: "true"
+      FX_ENV: prod
+
+when:
+  - event: push
+    branch: main
+
+steps:
+  - name: version
+    image: alpine:latest
+    commands:
+      - set -euo pipefail 2>/dev/null || set -eu
+      - apk add --no-cache git
+      - GIT_REV="$(git rev-parse --short HEAD)"
+      - BUILD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+      - APP_V="$(cat version)"
+      - BUILD_DATE="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+      - BUILD_USER="${WOODPECKER_MACHINE:-woodpecker}"
+      - printf "GIT_REV=%s\nBUILD_BRANCH=%s\nAPP_V=%s\nBUILD_DATE=%s\nBUILD_USER=%s\n" \
+          "$GIT_REV" "$BUILD_BRANCH" "$APP_V" "$BUILD_DATE" "$BUILD_USER" | tee .env.version
+
+  - name: proto
+    image: golang:alpine
+    depends_on: [ version ]
+    commands:
+      - set -eu
+      # protoc + headers; protobuf runtime pkg is not needed for codegen
+      - apk add --no-cache bash git build-base protoc protobuf-dev
+      - go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+      - go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
+      - export PATH="$(go env GOPATH)/bin:$PATH"
+      - bash ci/scripts/proto/generate.sh
+
+  - name: secrets
+    image: alpine:latest
+    depends_on: [ version ]
+    environment:
+      VAULT_ADDR: { from_secret: VAULT_ADDR }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }
+    commands:
+      - set -euo pipefail
+      - apk add --no-cache bash coreutils openssh-keygen curl sed python3
+      - mkdir -p secrets
+      - ./ci/vlt kv_to_file kv ops/deploy/ssh_key private_b64 secrets/SSH_KEY.b64 600
+      - base64 -d secrets/SSH_KEY.b64 > secrets/SSH_KEY
+      - chmod 600 secrets/SSH_KEY
+      - ssh-keygen -y -f secrets/SSH_KEY >/dev/null
+      - ./ci/vlt kv_get kv registry user > secrets/REGISTRY_USER
+      - ./ci/vlt kv_get kv registry password > secrets/REGISTRY_PASSWORD
+
+  - name: build-image
+    image: gcr.io/kaniko-project/executor:debug
+    depends_on: [ proto, secrets ]
+    commands:
+      - sh ci/scripts/fx/build-image.sh
+
+  - name: deploy
+    image: alpine:latest
+    depends_on: [ secrets, build-image ]
+    environment:
+      VAULT_ADDR: { from_secret: VAULT_ADDR }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }
+    commands:
+      - set -euo pipefail
+      - apk add --no-cache bash openssh-client rsync coreutils curl sed python3
+      - mkdir -p /root/.ssh
+      - install -m 600 secrets/SSH_KEY /root/.ssh/id_rsa
+      - sh ci/scripts/fx/deploy.sh

.woodpecker/mntx_gateway.yml

@@ -0,0 +1,74 @@
+matrix:
+  include:
+    - MNTX_GATEWAY_IMAGE_PATH: gateway/mntx
+      MNTX_GATEWAY_DOCKERFILE: ci/prod/compose/mntx_gateway.dockerfile
+      MNTX_GATEWAY_ENV: prod
+      MNTX_GATEWAY_MONETIX_SECRET_PATH: sendico/gateway/monetix
+      MNTX_GATEWAY_NATS_SECRET_PATH: sendico/nats
+
+when:
+  - event: push
+    branch: main
+
+steps:
+  - name: version
+    image: alpine:latest
+    commands:
+      - set -euo pipefail 2>/dev/null || set -eu
+      - apk add --no-cache git
+      - GIT_REV="$(git rev-parse --short HEAD)"
+      - BUILD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+      - APP_V="$(cat version)"
+      - BUILD_DATE="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+      - BUILD_USER="${WOODPECKER_MACHINE:-woodpecker}"
+      - printf "GIT_REV=%s\nBUILD_BRANCH=%s\nAPP_V=%s\nBUILD_DATE=%s\nBUILD_USER=%s\n" \
+          "$GIT_REV" "$BUILD_BRANCH" "$APP_V" "$BUILD_DATE" "$BUILD_USER" | tee .env.version
+
+  - name: proto
+    image: golang:alpine
+    depends_on: [ version ]
+    commands:
+      - set -eu
+      - apk add --no-cache bash git build-base protoc protobuf-dev
+      - go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+      - go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
+      - export PATH="$(go env GOPATH)/bin:$PATH"
+      - bash ci/scripts/proto/generate.sh
+
+  - name: secrets
+    image: alpine:latest
+    depends_on: [ version ]
+    environment:
+      VAULT_ADDR: { from_secret: VAULT_ADDR }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }
+    commands:
+      - set -euo pipefail
+      - apk add --no-cache bash coreutils openssh-keygen curl sed python3
+      - mkdir -p secrets
+      - ./ci/vlt kv_to_file kv ops/deploy/ssh_key private_b64 secrets/SSH_KEY.b64 600
+      - base64 -d secrets/SSH_KEY.b64 > secrets/SSH_KEY
+      - chmod 600 secrets/SSH_KEY
+      - ssh-keygen -y -f secrets/SSH_KEY >/dev/null
+      - ./ci/vlt kv_get kv registry user > secrets/REGISTRY_USER
+      - ./ci/vlt kv_get kv registry password > secrets/REGISTRY_PASSWORD
+
+  - name: build-image
+    image: gcr.io/kaniko-project/executor:debug
+    depends_on: [ proto, secrets ]
+    commands:
+      - sh ci/scripts/mntx/build-image.sh
+
+  - name: deploy
+    image: alpine:latest
+    depends_on: [ secrets, build-image ]
+    environment:
+      VAULT_ADDR: { from_secret: VAULT_ADDR }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }
+    commands:
+      - set -euo pipefail
+      - apk add --no-cache bash openssh-client rsync coreutils curl sed python3
+      - mkdir -p /root/.ssh
+      - install -m 600 secrets/SSH_KEY /root/.ssh/id_rsa
+      - sh ci/scripts/mntx/deploy.sh

.woodpecker/notification.yml

@@ -5,6 +5,7 @@ matrix:
       NOTIFICATION_MONGO_SECRET_PATH: sendico/db
       NOTIFICATION_MAIL_SECRET_PATH: sendico/notification/mail
       NOTIFICATION_API_SECRET_PATH: sendico/api/endpoint
+      NOTIFICATION_TELEGRAM_SECRET_PATH: sendico/notification/telegram
       NOTIFICATION_ENV: prod
 
 when:

api/billing/fees/go.mod

@@ -10,45 +10,45 @@ require (
 	github.com/tech/sendico/fx/oracle v0.0.0
 	github.com/tech/sendico/pkg v0.1.0
 	go.mongodb.org/mongo-driver v1.17.6
-	go.uber.org/zap v1.27.0
+	go.uber.org/zap v1.27.1
-	google.golang.org/grpc v1.76.0
+	google.golang.org/grpc v1.77.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect
-	github.com/casbin/casbin/v2 v2.132.0 // indirect
+	github.com/casbin/casbin/v2 v2.135.0 // indirect
 	github.com/casbin/govaluate v1.10.0 // indirect
 	github.com/casbin/mongodb-adapter/v3 v3.7.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/go-chi/chi/v5 v5.2.3 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
+	github.com/klauspost/compress v1.18.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/nats-io/nats.go v1.47.0 // indirect
+	github.com/nats-io/nats.go v1.48.0 // indirect
-	github.com/nats-io/nkeys v0.4.11 // indirect
+	github.com/nats-io/nkeys v0.4.12 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/prometheus/client_golang v1.23.2
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.67.2 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
-	golang.org/x/crypto v0.44.0 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 // indirect
-	google.golang.org/protobuf v1.36.10
+	google.golang.org/protobuf v1.36.11
 )

api/billing/fees/go.sum

@@ -9,8 +9,8 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE=
 github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
-github.com/casbin/casbin/v2 v2.132.0 h1:73hGmOszGSL3hTVquwkAi98XLl3gPJ+BxB6D7G9Fxtk=
+github.com/casbin/casbin/v2 v2.135.0 h1:6BLkMQiGotYyS5yYeWgW19vxqugUlvHFkFiLnLR/bxk=
-github.com/casbin/casbin/v2 v2.132.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
+github.com/casbin/casbin/v2 v2.135.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
 github.com/casbin/govaluate v1.3.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
 github.com/casbin/govaluate v1.10.0 h1:ffGw51/hYH3w3rZcxO/KcaUIDOLP84w7nsidMVgaDG0=
 github.com/casbin/govaluate v1.10.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
@@ -59,8 +59,8 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
+github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
-github.com/klauspost/compress v1.18.1/go.mod h1:ZQFFVG+MdnR0P+l6wpXgIL4NTtwiKIdBnrBd8Nrxr+0=
+github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -95,10 +95,10 @@ github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
 github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/nats-io/nats.go v1.47.0 h1:YQdADw6J/UfGUd2Oy6tn4Hq6YHxCaJrVKayxxFqYrgM=
+github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.47.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
+github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
-github.com/nats-io/nkeys v0.4.11 h1:q44qGV008kYd9W1b1nEBkNzvnWxtRSQ7A8BoqRrcfa0=
+github.com/nats-io/nkeys v0.4.12 h1:nssm7JKOG9/x4J8II47VWCL1Ds29avyiQDRn0ckMvDc=
-github.com/nats-io/nkeys v0.4.11/go.mod h1:szDimtgmfOi9n25JpfIdGw12tZFYXqhGxjhVxsatHVE=
+github.com/nats-io/nkeys v0.4.12/go.mod h1:MT59A1HYcjIcyQDJStTfaOY6vhy9XTUjOFo+SVsvpBg=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
@@ -115,8 +115,8 @@ github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h
 github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
 github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
-github.com/prometheus/common v0.67.2 h1:PcBAckGFTIHt2+L3I33uNRTlKTplNzFctXcWhPyAEN8=
+github.com/prometheus/common v0.67.4 h1:yR3NqWO1/UyO1w2PhUvXlGQs/PtFmoveVO0KZ4+Lvsc=
-github.com/prometheus/common v0.67.2/go.mod h1:63W3KZb1JOKgcjlIr64WW/LvFGAqKPj0atm+knVGEko=
+github.com/prometheus/common v0.67.4/go.mod h1:gP0fq6YjjNCLssJCQp0yk4M8W6ikLURwkdd/YKtTbyI=
 github.com/prometheus/procfs v0.19.2 h1:zUMhqEW66Ex7OXIiDkll3tl9a1ZdilUOd/F6ZXw4Vws=
 github.com/prometheus/procfs v0.19.2/go.mod h1:M0aotyiemPhBCM0z5w87kL22CxfcH05ZpYlu+b4J7mw=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
@@ -141,8 +141,8 @@ github.com/tklauser/numcpus v0.10.0 h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfj
 github.com/tklauser/numcpus v0.10.0/go.mod h1:BiTKazU708GQTYF4mB+cmlpT2Is1gLk7XVuEeem8LsQ=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
+github.com/xdg-go/scram v1.2.0 h1:bYKF2AEwG5rqd1BumT4gAnvwU/M9nBp2pTSxeZw7Wvs=
-github.com/xdg-go/scram v1.1.2/go.mod h1:RT/sEzTbU5y00aCK8UOx6R7YryM0iF1N2MOmC3kKLN4=
+github.com/xdg-go/scram v1.2.0/go.mod h1:3dlrS0iBaWKYVt2ZfA4cj48umJZ+cAEbR6/SjLA88I8=
 github.com/xdg-go/stringprep v1.0.4 h1:XLI/Ng3O1Atzq0oBs3TWm+5ZVgkq2aqdlvP9JtoZ6c8=
 github.com/xdg-go/stringprep v1.0.4/go.mod h1:mPGuuIYwz7CmR2bT9j4GbQqutWS1zV24gijq1dTyGkM=
 github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 h1:ilQV1hzziu+LLM3zUTJ0trRztfwgjqKnBWNtSRkbmwM=
@@ -152,59 +152,59 @@ github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.mongodb.org/mongo-driver v1.17.6 h1:87JUG1wZfWsr6rIz3ZmpH90rL5tea7O3IHuSwHUpsss=
 go.mongodb.org/mongo-driver v1.17.6/go.mod h1:Hy04i7O2kC4RS06ZrhPRqj/u4DTYkFDAAccj+rVKqgQ=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 h1:UP6IpuHFkUgOQL9FFQFrZ+5LiwhhYRbi7VZSIx6Nj5s=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0/go.mod h1:qxuZLtbq5QDtdeSHsS7bcf6EH6uO6jUAgk764zd3rhM=
-go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
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-go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
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-go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
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-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
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-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
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@@ -212,12 +212,12 @@ golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc
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-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba h1:UKgtfRM7Yh93Sya0Fo8ZzhDP4qBckrrxEr2oF5UIVb8=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 h1:2I6GHUeJ/4shcDpoUlLs/2WPnhg7yJwvXtqcMJt9liA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
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-google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
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api/billing/fees/internal/service/fees/calculator.go

@@ -2,448 +2,16 @@ package fees
 
 import (
 	"context"
-	"errors"
-	"math/big"
-	"sort"
-	"strconv"
-	"strings"
 	"time"
 
+	"github.com/tech/sendico/billing/fees/internal/service/fees/types"
 	"github.com/tech/sendico/billing/fees/storage/model"
-	oracleclient "github.com/tech/sendico/fx/oracle/client"
-	dmath "github.com/tech/sendico/pkg/decimal"
-	"github.com/tech/sendico/pkg/merrors"
-	"github.com/tech/sendico/pkg/mlogger"
 	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
-	accountingv1 "github.com/tech/sendico/pkg/proto/common/accounting/v1"
-	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
-	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
 	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
-	"go.uber.org/zap"
 )
 
 // Calculator isolates fee rule evaluation logic so it can be reused and tested.
+// Implementation lives under internal/service/fees/internal/calculator.
 type Calculator interface {
-	Compute(ctx context.Context, plan *model.FeePlan, intent *feesv1.Intent, bookedAt time.Time, trace *tracev1.TraceContext) (*CalculationResult, error)
+	Compute(ctx context.Context, plan *model.FeePlan, intent *feesv1.Intent, bookedAt time.Time, trace *tracev1.TraceContext) (*types.CalculationResult, error)
-}
-
-// CalculationResult contains derived fee lines and audit metadata.
-type CalculationResult struct {
-	Lines   []*feesv1.DerivedPostingLine
-	Applied []*feesv1.AppliedRule
-	FxUsed  *feesv1.FXUsed
-}
-
-// quoteCalculator is the default Calculator implementation.
-type fxOracle interface {
-	LatestRate(ctx context.Context, req oracleclient.LatestRateParams) (*oracleclient.RateSnapshot, error)
-}
-
-type quoteCalculator struct {
-	logger mlogger.Logger
-	oracle fxOracle
-}
-
-func newQuoteCalculator(logger mlogger.Logger, oracle fxOracle) Calculator {
-	return &quoteCalculator{
-		logger: logger.Named("calculator"),
-		oracle: oracle,
-	}
-}
-
-func (c *quoteCalculator) Compute(ctx context.Context, plan *model.FeePlan, intent *feesv1.Intent, bookedAt time.Time, _ *tracev1.TraceContext) (*CalculationResult, error) {
-	if plan == nil {
-		return nil, merrors.InvalidArgument("plan is required")
-	}
-	if intent == nil {
-		return nil, merrors.InvalidArgument("intent is required")
-	}
-
-	trigger := convertTrigger(intent.GetTrigger())
-	if trigger == model.TriggerUnspecified {
-		return nil, merrors.InvalidArgument("unsupported trigger")
-	}
-
-	baseAmount, err := dmath.RatFromString(intent.GetBaseAmount().GetAmount())
-	if err != nil {
-		return nil, merrors.InvalidArgument("invalid base amount")
-	}
-	if baseAmount.Sign() < 0 {
-		return nil, merrors.InvalidArgument("base amount cannot be negative")
-	}
-
-	baseScale := inferScale(intent.GetBaseAmount().GetAmount())
-
-	rules := make([]model.FeeRule, len(plan.Rules))
-	copy(rules, plan.Rules)
-	sort.SliceStable(rules, func(i, j int) bool {
-		if rules[i].Priority == rules[j].Priority {
-			return rules[i].RuleID < rules[j].RuleID
-		}
-		return rules[i].Priority < rules[j].Priority
-	})
-
-	lines := make([]*feesv1.DerivedPostingLine, 0, len(rules))
-	applied := make([]*feesv1.AppliedRule, 0, len(rules))
-
-	planID := ""
-	if planRef := plan.GetID(); planRef != nil && !planRef.IsZero() {
-		planID = planRef.Hex()
-	}
-
-	for _, rule := range rules {
-		if !shouldApplyRule(rule, trigger, intent.GetAttributes(), bookedAt) {
-			continue
-		}
-
-		ledgerAccountRef := strings.TrimSpace(rule.LedgerAccountRef)
-		if ledgerAccountRef == "" {
-			c.logger.Warn("fee rule missing ledger account reference", zap.String("rule_id", rule.RuleID))
-			continue
-		}
-
-		amount, scale, calcErr := c.calculateRuleAmount(baseAmount, baseScale, rule)
-		if calcErr != nil {
-			if !errors.Is(calcErr, merrors.ErrInvalidArg) {
-				c.logger.Warn("failed to calculate fee rule amount", zap.String("rule_id", rule.RuleID), zap.Error(calcErr))
-			}
-			continue
-		}
-		if amount.Sign() == 0 {
-			continue
-		}
-
-		currency := intent.GetBaseAmount().GetCurrency()
-		if override := strings.TrimSpace(rule.Currency); override != "" {
-			currency = override
-		}
-
-		entrySide := mapEntrySide(rule.EntrySide)
-		if entrySide == accountingv1.EntrySide_ENTRY_SIDE_UNSPECIFIED {
-			entrySide = accountingv1.EntrySide_ENTRY_SIDE_CREDIT
-		}
-
-		meta := map[string]string{
-			"fee_rule_id": rule.RuleID,
-		}
-		if planID != "" {
-			meta["fee_plan_id"] = planID
-		}
-		if rule.Metadata != nil {
-			if taxCode := strings.TrimSpace(rule.Metadata["tax_code"]); taxCode != "" {
-				meta["tax_code"] = taxCode
-			}
-			if taxRate := strings.TrimSpace(rule.Metadata["tax_rate"]); taxRate != "" {
-				meta["tax_rate"] = taxRate
-			}
-		}
-
-		lines = append(lines, &feesv1.DerivedPostingLine{
-			LedgerAccountRef: ledgerAccountRef,
-			Money: &moneyv1.Money{
-				Amount:   dmath.FormatRat(amount, scale),
-				Currency: currency,
-			},
-			LineType: mapLineType(rule.LineType),
-			Side:     entrySide,
-			Meta:     meta,
-		})
-
-		applied = append(applied, &feesv1.AppliedRule{
-			RuleId:      rule.RuleID,
-			RuleVersion: planID,
-			Formula:     rule.Formula,
-			Rounding:    mapRoundingMode(rule.Rounding),
-			TaxCode:     metadataValue(rule.Metadata, "tax_code"),
-			TaxRate:     metadataValue(rule.Metadata, "tax_rate"),
-			Parameters:  cloneStringMap(rule.Metadata),
-		})
-	}
-
-	var fxUsed *feesv1.FXUsed
-	if trigger == model.TriggerFXConversion && c.oracle != nil {
-		fxUsed = c.buildFxUsed(ctx, intent)
-	}
-
-	return &CalculationResult{
-		Lines:   lines,
-		Applied: applied,
-		FxUsed:  fxUsed,
-	}, nil
-}
-
-func (c *quoteCalculator) calculateRuleAmount(baseAmount *big.Rat, baseScale uint32, rule model.FeeRule) (*big.Rat, uint32, error) {
-	scale, err := resolveRuleScale(rule, baseScale)
-	if err != nil {
-		return nil, 0, err
-	}
-
-	result := new(big.Rat)
-
-	if percentage := strings.TrimSpace(rule.Percentage); percentage != "" {
-		percentageRat, perr := dmath.RatFromString(percentage)
-		if perr != nil {
-			return nil, 0, merrors.InvalidArgument("invalid percentage")
-		}
-		result = dmath.AddRat(result, dmath.MulRat(baseAmount, percentageRat))
-	}
-
-	if fixed := strings.TrimSpace(rule.FixedAmount); fixed != "" {
-		fixedRat, ferr := dmath.RatFromString(fixed)
-		if ferr != nil {
-			return nil, 0, merrors.InvalidArgument("invalid fixed amount")
-		}
-		result = dmath.AddRat(result, fixedRat)
-	}
-
-	if minStr := strings.TrimSpace(rule.MinimumAmount); minStr != "" {
-		minRat, merr := dmath.RatFromString(minStr)
-		if merr != nil {
-			return nil, 0, merrors.InvalidArgument("invalid minimum amount")
-		}
-		if dmath.CmpRat(result, minRat) < 0 {
-			result = new(big.Rat).Set(minRat)
-		}
-	}
-
-	if maxStr := strings.TrimSpace(rule.MaximumAmount); maxStr != "" {
-		maxRat, merr := dmath.RatFromString(maxStr)
-		if merr != nil {
-			return nil, 0, merrors.InvalidArgument("invalid maximum amount")
-		}
-		if dmath.CmpRat(result, maxRat) > 0 {
-			result = new(big.Rat).Set(maxRat)
-		}
-	}
-
-	if result.Sign() < 0 {
-		result = new(big.Rat).Abs(result)
-	}
-
-	rounded, rerr := dmath.RoundRatToScale(result, scale, toDecimalRounding(rule.Rounding))
-	if rerr != nil {
-		return nil, 0, rerr
-	}
-
-	return rounded, scale, nil
-}
-
-const (
-	attrFxBaseCurrency  = "fx_base_currency"
-	attrFxQuoteCurrency = "fx_quote_currency"
-	attrFxProvider      = "fx_provider"
-	attrFxSide          = "fx_side"
-	attrFxRateOverride  = "fx_rate"
-)
-
-func (c *quoteCalculator) buildFxUsed(ctx context.Context, intent *feesv1.Intent) *feesv1.FXUsed {
-	if intent == nil || c.oracle == nil {
-		return nil
-	}
-
-	attrs := intent.GetAttributes()
-	base := strings.TrimSpace(attrs[attrFxBaseCurrency])
-	quote := strings.TrimSpace(attrs[attrFxQuoteCurrency])
-	if base == "" || quote == "" {
-		return nil
-	}
-
-	pair := &fxv1.CurrencyPair{Base: base, Quote: quote}
-	provider := strings.TrimSpace(attrs[attrFxProvider])
-
-	snapshot, err := c.oracle.LatestRate(ctx, oracleclient.LatestRateParams{
-		Meta:     oracleclient.RequestMeta{},
-		Pair:     pair,
-		Provider: provider,
-	})
-	if err != nil {
-		c.logger.Warn("fees: failed to fetch FX context", zap.Error(err))
-		return nil
-	}
-	if snapshot == nil {
-		return nil
-	}
-
-	rateValue := strings.TrimSpace(attrs[attrFxRateOverride])
-	if rateValue == "" {
-		rateValue = snapshot.Mid
-	}
-	if rateValue == "" {
-		rateValue = snapshot.Ask
-	}
-	if rateValue == "" {
-		rateValue = snapshot.Bid
-	}
-
-	return &feesv1.FXUsed{
-		Pair:       pair,
-		Side:       parseFxSide(strings.TrimSpace(attrs[attrFxSide])),
-		Rate:       &moneyv1.Decimal{Value: rateValue},
-		AsofUnixMs: snapshot.AsOf.UnixMilli(),
-		Provider:   snapshot.Provider,
-		RateRef:    snapshot.RateRef,
-		SpreadBps:  &moneyv1.Decimal{Value: snapshot.SpreadBps},
-	}
-}
-
-func parseFxSide(value string) fxv1.Side {
-	switch strings.ToLower(value) {
-	case "buy_base", "buy_base_sell_quote", "buy":
-		return fxv1.Side_BUY_BASE_SELL_QUOTE
-	case "sell_base", "sell_base_buy_quote", "sell":
-		return fxv1.Side_SELL_BASE_BUY_QUOTE
-	default:
-		return fxv1.Side_SIDE_UNSPECIFIED
-	}
-}
-
-func inferScale(amount string) uint32 {
-	value := strings.TrimSpace(amount)
-	if value == "" {
-		return 0
-	}
-	if idx := strings.IndexAny(value, "eE"); idx >= 0 {
-		value = value[:idx]
-	}
-	if strings.HasPrefix(value, "+") || strings.HasPrefix(value, "-") {
-		value = value[1:]
-	}
-	if dot := strings.IndexByte(value, '.'); dot >= 0 {
-		return uint32(len(value[dot+1:]))
-	}
-	return 0
-}
-
-func shouldApplyRule(rule model.FeeRule, trigger model.Trigger, attributes map[string]string, bookedAt time.Time) bool {
-	if rule.Trigger != trigger {
-		return false
-	}
-	if rule.EffectiveFrom.After(bookedAt) {
-		return false
-	}
-	if rule.EffectiveTo != nil && rule.EffectiveTo.Before(bookedAt) {
-		return false
-	}
-	return ruleMatchesAttributes(rule, attributes)
-}
-
-func resolveRuleScale(rule model.FeeRule, fallback uint32) (uint32, error) {
-	if rule.Metadata != nil {
-		for _, field := range []string{"scale", "decimals", "precision"} {
-			if value, ok := rule.Metadata[field]; ok && strings.TrimSpace(value) != "" {
-				return parseScale(field, value)
-			}
-		}
-	}
-	return fallback, nil
-}
-
-func parseScale(field, value string) (uint32, error) {
-	clean := strings.TrimSpace(value)
-	if clean == "" {
-		return 0, merrors.InvalidArgument(field + " is empty")
-	}
-	parsed, err := strconv.ParseUint(clean, 10, 32)
-	if err != nil {
-		return 0, merrors.InvalidArgument("invalid " + field + " value")
-	}
-	return uint32(parsed), nil
-}
-
-func metadataValue(meta map[string]string, key string) string {
-	if meta == nil {
-		return ""
-	}
-	return strings.TrimSpace(meta[key])
-}
-
-func cloneStringMap(src map[string]string) map[string]string {
-	if len(src) == 0 {
-		return nil
-	}
-	cloned := make(map[string]string, len(src))
-	for k, v := range src {
-		cloned[k] = v
-	}
-	return cloned
-}
-
-func ruleMatchesAttributes(rule model.FeeRule, attributes map[string]string) bool {
-	if len(rule.AppliesTo) == 0 {
-		return true
-	}
-	for key, value := range rule.AppliesTo {
-		if attributes == nil {
-			return false
-		}
-		if attrValue, ok := attributes[key]; !ok || attrValue != value {
-			return false
-		}
-	}
-	return true
-}
-
-func convertTrigger(trigger feesv1.Trigger) model.Trigger {
-	switch trigger {
-	case feesv1.Trigger_TRIGGER_CAPTURE:
-		return model.TriggerCapture
-	case feesv1.Trigger_TRIGGER_REFUND:
-		return model.TriggerRefund
-	case feesv1.Trigger_TRIGGER_DISPUTE:
-		return model.TriggerDispute
-	case feesv1.Trigger_TRIGGER_PAYOUT:
-		return model.TriggerPayout
-	case feesv1.Trigger_TRIGGER_FX_CONVERSION:
-		return model.TriggerFXConversion
-	default:
-		return model.TriggerUnspecified
-	}
-}
-
-func mapLineType(lineType string) accountingv1.PostingLineType {
-	switch strings.ToLower(lineType) {
-	case "tax":
-		return accountingv1.PostingLineType_POSTING_LINE_TAX
-	case "spread":
-		return accountingv1.PostingLineType_POSTING_LINE_SPREAD
-	case "reversal":
-		return accountingv1.PostingLineType_POSTING_LINE_REVERSAL
-	default:
-		return accountingv1.PostingLineType_POSTING_LINE_FEE
-	}
-}
-
-func mapEntrySide(entrySide string) accountingv1.EntrySide {
-	switch strings.ToLower(entrySide) {
-	case "debit":
-		return accountingv1.EntrySide_ENTRY_SIDE_DEBIT
-	case "credit":
-		return accountingv1.EntrySide_ENTRY_SIDE_CREDIT
-	default:
-		return accountingv1.EntrySide_ENTRY_SIDE_UNSPECIFIED
-	}
-}
-
-func toDecimalRounding(mode string) dmath.RoundingMode {
-	switch strings.ToLower(strings.TrimSpace(mode)) {
-	case "half_up":
-		return dmath.RoundingModeHalfUp
-	case "down":
-		return dmath.RoundingModeDown
-	case "half_even", "bankers":
-		return dmath.RoundingModeHalfEven
-	default:
-		return dmath.RoundingModeHalfEven
-	}
-}
-
-func mapRoundingMode(mode string) moneyv1.RoundingMode {
-	switch strings.ToLower(mode) {
-	case "half_up":
-		return moneyv1.RoundingMode_ROUND_HALF_UP
-	case "down":
-		return moneyv1.RoundingMode_ROUND_DOWN
-	default:
-		return moneyv1.RoundingMode_ROUND_HALF_EVEN
-	}
 }

api/billing/fees/internal/service/fees/internal/calculator/impl.go

@@ -0,0 +1,439 @@
+package calculator
+
+import (
+	"context"
+	"errors"
+	"math/big"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/tech/sendico/billing/fees/internal/service/fees/types"
+	"github.com/tech/sendico/billing/fees/storage/model"
+	oracleclient "github.com/tech/sendico/fx/oracle/client"
+	dmath "github.com/tech/sendico/pkg/decimal"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
+	accountingv1 "github.com/tech/sendico/pkg/proto/common/accounting/v1"
+	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
+	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
+	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
+	"go.uber.org/zap"
+)
+
+// fxOracle captures the oracle dependency for FX conversions.
+type fxOracle interface {
+	LatestRate(ctx context.Context, req oracleclient.LatestRateParams) (*oracleclient.RateSnapshot, error)
+}
+
+// New constructs the default calculator implementation.
+func New(logger mlogger.Logger, oracle fxOracle) *quoteCalculator {
+	if logger == nil {
+		logger = zap.NewNop()
+	}
+	return &quoteCalculator{
+		logger: logger.Named("calculator"),
+		oracle: oracle,
+	}
+}
+
+type quoteCalculator struct {
+	logger mlogger.Logger
+	oracle fxOracle
+}
+
+func (c *quoteCalculator) Compute(ctx context.Context, plan *model.FeePlan, intent *feesv1.Intent, bookedAt time.Time, _ *tracev1.TraceContext) (*types.CalculationResult, error) {
+	if plan == nil {
+		return nil, merrors.InvalidArgument("plan is required")
+	}
+	if intent == nil {
+		return nil, merrors.InvalidArgument("intent is required")
+	}
+
+	trigger := convertTrigger(intent.GetTrigger())
+	if trigger == model.TriggerUnspecified {
+		return nil, merrors.InvalidArgument("unsupported trigger")
+	}
+
+	baseAmount, err := dmath.RatFromString(intent.GetBaseAmount().GetAmount())
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid base amount")
+	}
+	if baseAmount.Sign() < 0 {
+		return nil, merrors.InvalidArgument("base amount cannot be negative")
+	}
+
+	baseScale := inferScale(intent.GetBaseAmount().GetAmount())
+
+	rules := make([]model.FeeRule, len(plan.Rules))
+	copy(rules, plan.Rules)
+	sort.SliceStable(rules, func(i, j int) bool {
+		if rules[i].Priority == rules[j].Priority {
+			return rules[i].RuleID < rules[j].RuleID
+		}
+		return rules[i].Priority < rules[j].Priority
+	})
+
+	lines := make([]*feesv1.DerivedPostingLine, 0, len(rules))
+	applied := make([]*feesv1.AppliedRule, 0, len(rules))
+
+	planID := ""
+	if planRef := plan.GetID(); planRef != nil && !planRef.IsZero() {
+		planID = planRef.Hex()
+	}
+
+	for _, rule := range rules {
+		if !shouldApplyRule(rule, trigger, intent.GetAttributes(), bookedAt) {
+			continue
+		}
+
+		ledgerAccountRef := strings.TrimSpace(rule.LedgerAccountRef)
+
+		amount, scale, calcErr := c.calculateRuleAmount(baseAmount, baseScale, rule)
+		if calcErr != nil {
+			if !errors.Is(calcErr, merrors.ErrInvalidArg) {
+				c.logger.Warn("failed to calculate fee rule amount", zap.String("rule_id", rule.RuleID), zap.Error(calcErr))
+			}
+			continue
+		}
+		if amount.Sign() == 0 {
+			continue
+		}
+
+		currency := intent.GetBaseAmount().GetCurrency()
+		if override := strings.TrimSpace(rule.Currency); override != "" {
+			currency = override
+		}
+
+		entrySide := mapEntrySide(rule.EntrySide)
+		if entrySide == accountingv1.EntrySide_ENTRY_SIDE_UNSPECIFIED {
+			// Default fees to debit (i.e. charge the customer) when entry side is not specified.
+			entrySide = accountingv1.EntrySide_ENTRY_SIDE_DEBIT
+		}
+
+		meta := map[string]string{
+			"fee_rule_id": rule.RuleID,
+		}
+		if planID != "" {
+			meta["fee_plan_id"] = planID
+		}
+		if rule.Metadata != nil {
+			if taxCode := strings.TrimSpace(rule.Metadata["tax_code"]); taxCode != "" {
+				meta["tax_code"] = taxCode
+			}
+			if taxRate := strings.TrimSpace(rule.Metadata["tax_rate"]); taxRate != "" {
+				meta["tax_rate"] = taxRate
+			}
+		}
+
+		lines = append(lines, &feesv1.DerivedPostingLine{
+			LedgerAccountRef: ledgerAccountRef,
+			Money: &moneyv1.Money{
+				Amount:   dmath.FormatRat(amount, scale),
+				Currency: currency,
+			},
+			LineType: mapLineType(rule.LineType),
+			Side:     entrySide,
+			Meta:     meta,
+		})
+
+		applied = append(applied, &feesv1.AppliedRule{
+			RuleId:      rule.RuleID,
+			RuleVersion: planID,
+			Formula:     rule.Formula,
+			Rounding:    mapRoundingMode(rule.Rounding),
+			TaxCode:     metadataValue(rule.Metadata, "tax_code"),
+			TaxRate:     metadataValue(rule.Metadata, "tax_rate"),
+			Parameters:  cloneStringMap(rule.Metadata),
+		})
+	}
+
+	var fxUsed *feesv1.FXUsed
+	if trigger == model.TriggerFXConversion && c.oracle != nil {
+		fxUsed = c.buildFxUsed(ctx, intent)
+	}
+
+	return &types.CalculationResult{
+		Lines:   lines,
+		Applied: applied,
+		FxUsed:  fxUsed,
+	}, nil
+}
+
+func (c *quoteCalculator) calculateRuleAmount(baseAmount *big.Rat, baseScale uint32, rule model.FeeRule) (*big.Rat, uint32, error) {
+	scale, err := resolveRuleScale(rule, baseScale)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	result := new(big.Rat)
+
+	if percentage := strings.TrimSpace(rule.Percentage); percentage != "" {
+		percentageRat, perr := dmath.RatFromString(percentage)
+		if perr != nil {
+			return nil, 0, merrors.InvalidArgument("invalid percentage")
+		}
+		result = dmath.AddRat(result, dmath.MulRat(baseAmount, percentageRat))
+	}
+
+	if fixed := strings.TrimSpace(rule.FixedAmount); fixed != "" {
+		fixedRat, ferr := dmath.RatFromString(fixed)
+		if ferr != nil {
+			return nil, 0, merrors.InvalidArgument("invalid fixed amount")
+		}
+		result = dmath.AddRat(result, fixedRat)
+	}
+
+	if minStr := strings.TrimSpace(rule.MinimumAmount); minStr != "" {
+		minRat, merr := dmath.RatFromString(minStr)
+		if merr != nil {
+			return nil, 0, merrors.InvalidArgument("invalid minimum amount")
+		}
+		if dmath.CmpRat(result, minRat) < 0 {
+			result = new(big.Rat).Set(minRat)
+		}
+	}
+
+	if maxStr := strings.TrimSpace(rule.MaximumAmount); maxStr != "" {
+		maxRat, merr := dmath.RatFromString(maxStr)
+		if merr != nil {
+			return nil, 0, merrors.InvalidArgument("invalid maximum amount")
+		}
+		if dmath.CmpRat(result, maxRat) > 0 {
+			result = new(big.Rat).Set(maxRat)
+		}
+	}
+
+	if result.Sign() < 0 {
+		result = new(big.Rat).Abs(result)
+	}
+
+	rounded, rerr := dmath.RoundRatToScale(result, scale, toDecimalRounding(rule.Rounding))
+	if rerr != nil {
+		return nil, 0, rerr
+	}
+
+	return rounded, scale, nil
+}
+
+const (
+	attrFxBaseCurrency  = "fx_base_currency"
+	attrFxQuoteCurrency = "fx_quote_currency"
+	attrFxProvider      = "fx_provider"
+	attrFxSide          = "fx_side"
+	attrFxRateOverride  = "fx_rate"
+)
+
+func (c *quoteCalculator) buildFxUsed(ctx context.Context, intent *feesv1.Intent) *feesv1.FXUsed {
+	if intent == nil || c.oracle == nil {
+		return nil
+	}
+
+	attrs := intent.GetAttributes()
+	base := strings.TrimSpace(attrs[attrFxBaseCurrency])
+	quote := strings.TrimSpace(attrs[attrFxQuoteCurrency])
+	if base == "" || quote == "" {
+		return nil
+	}
+
+	pair := &fxv1.CurrencyPair{Base: base, Quote: quote}
+	provider := strings.TrimSpace(attrs[attrFxProvider])
+
+	snapshot, err := c.oracle.LatestRate(ctx, oracleclient.LatestRateParams{
+		Meta:     oracleclient.RequestMeta{},
+		Pair:     pair,
+		Provider: provider,
+	})
+	if err != nil {
+		c.logger.Warn("fees: failed to fetch FX context", zap.Error(err))
+		return nil
+	}
+	if snapshot == nil {
+		return nil
+	}
+
+	rateValue := strings.TrimSpace(attrs[attrFxRateOverride])
+	if rateValue == "" {
+		rateValue = snapshot.Mid
+	}
+	if rateValue == "" {
+		rateValue = snapshot.Ask
+	}
+	if rateValue == "" {
+		rateValue = snapshot.Bid
+	}
+
+	return &feesv1.FXUsed{
+		Pair:       pair,
+		Side:       parseFxSide(strings.TrimSpace(attrs[attrFxSide])),
+		Rate:       &moneyv1.Decimal{Value: rateValue},
+		AsofUnixMs: snapshot.AsOf.UnixMilli(),
+		Provider:   snapshot.Provider,
+		RateRef:    snapshot.RateRef,
+		SpreadBps:  &moneyv1.Decimal{Value: snapshot.SpreadBps},
+	}
+}
+
+func parseFxSide(value string) fxv1.Side {
+	switch strings.ToLower(value) {
+	case "buy_base", "buy_base_sell_quote", "buy":
+		return fxv1.Side_BUY_BASE_SELL_QUOTE
+	case "sell_base", "sell_base_buy_quote", "sell":
+		return fxv1.Side_SELL_BASE_BUY_QUOTE
+	default:
+		return fxv1.Side_SIDE_UNSPECIFIED
+	}
+}
+
+func inferScale(amount string) uint32 {
+	value := strings.TrimSpace(amount)
+	if value == "" {
+		return 0
+	}
+	if idx := strings.IndexAny(value, "eE"); idx >= 0 {
+		value = value[:idx]
+	}
+	if strings.HasPrefix(value, "+") || strings.HasPrefix(value, "-") {
+		value = value[1:]
+	}
+	if dot := strings.IndexByte(value, '.'); dot >= 0 {
+		return uint32(len(value[dot+1:]))
+	}
+	return 0
+}
+
+func shouldApplyRule(rule model.FeeRule, trigger model.Trigger, attributes map[string]string, bookedAt time.Time) bool {
+	if rule.Trigger != trigger {
+		return false
+	}
+	if rule.EffectiveFrom.After(bookedAt) {
+		return false
+	}
+	if rule.EffectiveTo != nil && rule.EffectiveTo.Before(bookedAt) {
+		return false
+	}
+	return ruleMatchesAttributes(rule, attributes)
+}
+
+func resolveRuleScale(rule model.FeeRule, fallback uint32) (uint32, error) {
+	if rule.Metadata != nil {
+		for _, field := range []string{"scale", "decimals", "precision"} {
+			if value, ok := rule.Metadata[field]; ok && strings.TrimSpace(value) != "" {
+				return parseScale(field, value)
+			}
+		}
+	}
+	return fallback, nil
+}
+
+func parseScale(field, value string) (uint32, error) {
+	clean := strings.TrimSpace(value)
+	if clean == "" {
+		return 0, merrors.InvalidArgument(field + " is empty")
+	}
+	parsed, err := strconv.ParseUint(clean, 10, 32)
+	if err != nil {
+		return 0, merrors.InvalidArgument("invalid " + field + " value")
+	}
+	return uint32(parsed), nil
+}
+
+func metadataValue(meta map[string]string, key string) string {
+	if meta == nil {
+		return ""
+	}
+	return strings.TrimSpace(meta[key])
+}
+
+func cloneStringMap(src map[string]string) map[string]string {
+	if len(src) == 0 {
+		return nil
+	}
+	cloned := make(map[string]string, len(src))
+	for k, v := range src {
+		cloned[k] = v
+	}
+	return cloned
+}
+
+func ruleMatchesAttributes(rule model.FeeRule, attributes map[string]string) bool {
+	if len(rule.AppliesTo) == 0 {
+		return true
+	}
+	for key, value := range rule.AppliesTo {
+		if attributes == nil {
+			return false
+		}
+		if attrValue, ok := attributes[key]; !ok || attrValue != value {
+			return false
+		}
+	}
+	return true
+}
+
+func mapLineType(lineType string) accountingv1.PostingLineType {
+	switch strings.ToLower(lineType) {
+	case "tax":
+		return accountingv1.PostingLineType_POSTING_LINE_TAX
+	case "spread":
+		return accountingv1.PostingLineType_POSTING_LINE_SPREAD
+	case "reversal":
+		return accountingv1.PostingLineType_POSTING_LINE_REVERSAL
+	default:
+		return accountingv1.PostingLineType_POSTING_LINE_FEE
+	}
+}
+
+func mapEntrySide(entrySide string) accountingv1.EntrySide {
+	switch strings.ToLower(entrySide) {
+	case "debit":
+		return accountingv1.EntrySide_ENTRY_SIDE_DEBIT
+	case "credit":
+		return accountingv1.EntrySide_ENTRY_SIDE_CREDIT
+	default:
+		return accountingv1.EntrySide_ENTRY_SIDE_UNSPECIFIED
+	}
+}
+
+func toDecimalRounding(mode string) dmath.RoundingMode {
+	switch strings.ToLower(strings.TrimSpace(mode)) {
+	case "half_up":
+		return dmath.RoundingModeHalfUp
+	case "down":
+		return dmath.RoundingModeDown
+	case "half_even", "bankers":
+		return dmath.RoundingModeHalfEven
+	default:
+		return dmath.RoundingModeHalfEven
+	}
+}
+
+func mapRoundingMode(mode string) moneyv1.RoundingMode {
+	switch strings.ToLower(mode) {
+	case "half_up":
+		return moneyv1.RoundingMode_ROUND_HALF_UP
+	case "down":
+		return moneyv1.RoundingMode_ROUND_DOWN
+	default:
+		return moneyv1.RoundingMode_ROUND_HALF_EVEN
+	}
+}
+
+func convertTrigger(trigger feesv1.Trigger) model.Trigger {
+	switch trigger {
+	case feesv1.Trigger_TRIGGER_CAPTURE:
+		return model.TriggerCapture
+	case feesv1.Trigger_TRIGGER_REFUND:
+		return model.TriggerRefund
+	case feesv1.Trigger_TRIGGER_DISPUTE:
+		return model.TriggerDispute
+	case feesv1.Trigger_TRIGGER_PAYOUT:
+		return model.TriggerPayout
+	case feesv1.Trigger_TRIGGER_FX_CONVERSION:
+		return model.TriggerFXConversion
+	default:
+		return model.TriggerUnspecified
+	}
+}

api/billing/fees/internal/service/fees/internal/resolver/errors.go

@@ -0,0 +1,10 @@
+package resolver
+
+import "github.com/tech/sendico/pkg/merrors"
+
+var (
+	// ErrNoFeeRuleFound indicates that no applicable rule exists for the given context.
+	ErrNoFeeRuleFound = merrors.ErrNoData
+	// ErrConflictingFeeRules indicates multiple rules share the same highest priority.
+	ErrConflictingFeeRules = merrors.ErrDataConflict
+)

api/billing/fees/internal/service/fees/internal/resolver/impl.go

@@ -0,0 +1,148 @@
+package resolver
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/tech/sendico/billing/fees/storage"
+	"github.com/tech/sendico/billing/fees/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+type planFinder interface {
+	FindActiveOrgPlan(ctx context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error)
+	FindActiveGlobalPlan(ctx context.Context, at time.Time) (*model.FeePlan, error)
+}
+
+type feeResolver struct {
+	plans  storage.PlansStore
+	finder planFinder
+	logger *zap.Logger
+}
+
+func New(plans storage.PlansStore, logger *zap.Logger) *feeResolver {
+	var finder planFinder
+	if pf, ok := plans.(planFinder); ok {
+		finder = pf
+	}
+	if logger == nil {
+		logger = zap.NewNop()
+	}
+	return &feeResolver{
+		plans:  plans,
+		finder: finder,
+		logger: logger.Named("resolver"),
+	}
+}
+
+func (r *feeResolver) ResolveFeeRule(ctx context.Context, orgRef *primitive.ObjectID, trigger model.Trigger, at time.Time, attrs map[string]string) (*model.FeePlan, *model.FeeRule, error) {
+	if r.plans == nil {
+		return nil, nil, merrors.InvalidArgument("fees: plans store is required")
+	}
+
+	// Try org-specific first if provided.
+	if orgRef != nil && !orgRef.IsZero() {
+		if plan, err := r.getOrgPlan(ctx, *orgRef, at); err == nil {
+			if rule, selErr := selectRule(plan, trigger, at, attrs); selErr == nil {
+				return plan, rule, nil
+			} else if !errors.Is(selErr, ErrNoFeeRuleFound) {
+				r.logger.Warn("failed selecting rule for org plan", zap.Error(selErr), zap.String("org_ref", orgRef.Hex()))
+				return nil, nil, selErr
+			}
+			r.logger.Debug("no matching rule in org plan; falling back to global", zap.String("org_ref", orgRef.Hex()))
+		} else if !errors.Is(err, storage.ErrFeePlanNotFound) {
+			r.logger.Warn("failed resolving org fee plan", zap.Error(err), zap.String("org_ref", orgRef.Hex()))
+			return nil, nil, err
+		}
+	}
+
+	plan, err := r.getGlobalPlan(ctx, at)
+	if err != nil {
+		if errors.Is(err, storage.ErrFeePlanNotFound) {
+			return nil, nil, merrors.NoData("fees: no applicable fee rule found")
+		}
+		r.logger.Warn("failed resolving global fee plan", zap.Error(err))
+		return nil, nil, err
+	}
+
+	rule, err := selectRule(plan, trigger, at, attrs)
+	if err != nil {
+		if !errors.Is(err, ErrNoFeeRuleFound) {
+			r.logger.Warn("failed selecting rule in global plan", zap.Error(err))
+		}
+		return nil, nil, err
+	}
+
+	return plan, rule, nil
+}
+
+func (r *feeResolver) getOrgPlan(ctx context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
+	if r.finder != nil {
+		return r.finder.FindActiveOrgPlan(ctx, orgRef, at)
+	}
+	return r.plans.GetActivePlan(ctx, orgRef, at)
+}
+
+func (r *feeResolver) getGlobalPlan(ctx context.Context, at time.Time) (*model.FeePlan, error) {
+	if r.finder != nil {
+		return r.finder.FindActiveGlobalPlan(ctx, at)
+	}
+	// Treat zero ObjectID as global in legacy path.
+	return r.plans.GetActivePlan(ctx, primitive.NilObjectID, at)
+}
+
+func selectRule(plan *model.FeePlan, trigger model.Trigger, at time.Time, attrs map[string]string) (*model.FeeRule, error) {
+	if plan == nil {
+		return nil, merrors.NoData("fees: no applicable fee rule found")
+	}
+
+	var selected *model.FeeRule
+	var highestPriority int
+	for _, rule := range plan.Rules {
+		if rule.Trigger != trigger {
+			continue
+		}
+		if rule.EffectiveFrom.After(at) {
+			continue
+		}
+		if rule.EffectiveTo != nil && !rule.EffectiveTo.After(at) {
+			continue
+		}
+		if !matchesAppliesTo(rule.AppliesTo, attrs) {
+			continue
+		}
+
+		if selected == nil || rule.Priority > highestPriority {
+			copy := rule
+			selected = &copy
+			highestPriority = rule.Priority
+			continue
+		}
+		if rule.Priority == highestPriority {
+			return nil, merrors.DataConflict("fees: conflicting fee rules")
+		}
+	}
+
+	if selected == nil {
+		return nil, merrors.NoData("fees: no applicable fee rule found")
+	}
+	return selected, nil
+}
+
+func matchesAppliesTo(appliesTo map[string]string, attrs map[string]string) bool {
+	if len(appliesTo) == 0 {
+		return true
+	}
+	for key, value := range appliesTo {
+		if attrs == nil {
+			return false
+		}
+		if attrs[key] != value {
+			return false
+		}
+	}
+	return true
+}

api/billing/fees/internal/service/fees/internal/resolver/resolver_test.go

@@ -0,0 +1,314 @@
+package resolver
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+
+	"github.com/tech/sendico/billing/fees/storage"
+	"github.com/tech/sendico/billing/fees/storage/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+func TestResolver_GlobalFallbackWhenOrgMissing(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	globalPlan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "global_capture", Trigger: model.TriggerCapture, Priority: 5, Percentage: "0.05", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+
+	store := &memoryPlansStore{plans: []*model.FeePlan{globalPlan}}
+	resolver := New(store, zap.NewNop())
+
+	orgA := primitive.NewObjectID()
+	plan, rule, err := resolver.ResolveFeeRule(context.Background(), &orgA, model.TriggerCapture, now, nil)
+	if err != nil {
+		t.Fatalf("expected fallback to global, got error: %v", err)
+	}
+	if plan.OrganizationRef != nil && !plan.OrganizationRef.IsZero() {
+		t.Fatalf("expected global plan, got orgRef %s", plan.OrganizationRef.Hex())
+	}
+	if rule.RuleID != "global_capture" {
+		t.Fatalf("unexpected rule selected: %s", rule.RuleID)
+	}
+}
+
+func TestResolver_OrgOverridesGlobal(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	org := primitive.NewObjectID()
+	globalPlan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "global_capture", Trigger: model.TriggerCapture, Priority: 5, Percentage: "0.05", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	orgPlan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "org_capture", Trigger: model.TriggerCapture, Priority: 10, Percentage: "0.03", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	orgPlan.OrganizationRef = &org
+	store := &memoryPlansStore{plans: []*model.FeePlan{globalPlan, orgPlan}}
+	resolver := New(store, zap.NewNop())
+
+	_, rule, err := resolver.ResolveFeeRule(context.Background(), &org, model.TriggerCapture, now, nil)
+	if err != nil {
+		t.Fatalf("expected org plan rule, got error: %v", err)
+	}
+	if rule.RuleID != "org_capture" {
+		t.Fatalf("expected org rule, got %s", rule.RuleID)
+	}
+
+	otherOrg := primitive.NewObjectID()
+	_, rule, err = resolver.ResolveFeeRule(context.Background(), &otherOrg, model.TriggerCapture, now, nil)
+	if err != nil {
+		t.Fatalf("expected global fallback for other org, got error: %v", err)
+	}
+	if rule.RuleID != "global_capture" {
+		t.Fatalf("expected global rule, got %s", rule.RuleID)
+	}
+}
+
+func TestResolver_SelectsHighestPriority(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	org := primitive.NewObjectID()
+	plan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "low", Trigger: model.TriggerCapture, Priority: 100, Percentage: "0.05", EffectiveFrom: now.Add(-time.Hour)},
+			{RuleID: "high", Trigger: model.TriggerCapture, Priority: 200, Percentage: "0.03", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	plan.OrganizationRef = &org
+
+	store := &memoryPlansStore{plans: []*model.FeePlan{plan}}
+	resolver := New(store, zap.NewNop())
+
+	_, rule, err := resolver.ResolveFeeRule(context.Background(), &org, model.TriggerCapture, now, nil)
+	if err != nil {
+		t.Fatalf("expected rule resolution, got error: %v", err)
+	}
+	if rule.RuleID != "high" {
+		t.Fatalf("expected highest priority rule, got %s", rule.RuleID)
+	}
+
+	plan.Rules = append(plan.Rules, model.FeeRule{
+		RuleID:        "conflict",
+		Trigger:       model.TriggerCapture,
+		Priority:      200,
+		Percentage:    "0.02",
+		EffectiveFrom: now.Add(-time.Hour),
+	})
+
+	if _, _, err := resolver.ResolveFeeRule(context.Background(), &org, model.TriggerCapture, now, nil); !errors.Is(err, ErrConflictingFeeRules) {
+		t.Fatalf("expected conflicting fee rules error, got %v", err)
+	}
+}
+
+func TestResolver_EffectiveDateFiltering(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	org := primitive.NewObjectID()
+	past := now.Add(-24 * time.Hour)
+	future := now.Add(24 * time.Hour)
+
+	orgPlan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: past,
+		Rules: []model.FeeRule{
+			{RuleID: "expired", Trigger: model.TriggerCapture, Priority: 100, Percentage: "0.05", EffectiveFrom: past, EffectiveTo: &past},
+		},
+	}
+	orgPlan.OrganizationRef = &org
+
+	globalPlan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: past,
+		Rules: []model.FeeRule{
+			{RuleID: "current", Trigger: model.TriggerCapture, Priority: 100, Percentage: "0.05", EffectiveFrom: past, EffectiveTo: &future},
+		},
+	}
+
+	store := &memoryPlansStore{plans: []*model.FeePlan{orgPlan, globalPlan}}
+	resolver := New(store, zap.NewNop())
+
+	_, rule, err := resolver.ResolveFeeRule(context.Background(), &org, model.TriggerCapture, now, nil)
+	if err != nil {
+		t.Fatalf("expected fallback to global, got error: %v", err)
+	}
+	if rule.RuleID != "current" {
+		t.Fatalf("expected current global rule, got %s", rule.RuleID)
+	}
+}
+
+func TestResolver_AppliesToFiltering(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	plan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "card", Trigger: model.TriggerCapture, Priority: 200, Percentage: "0.03", AppliesTo: map[string]string{"paymentMethod": "card"}, EffectiveFrom: now.Add(-time.Hour)},
+			{RuleID: "default", Trigger: model.TriggerCapture, Priority: 100, Percentage: "0.05", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	store := &memoryPlansStore{plans: []*model.FeePlan{plan}}
+	resolver := New(store, zap.NewNop())
+
+	_, rule, err := resolver.ResolveFeeRule(context.Background(), nil, model.TriggerCapture, now, map[string]string{"paymentMethod": "card"})
+	if err != nil {
+		t.Fatalf("expected card rule, got error: %v", err)
+	}
+	if rule.RuleID != "card" {
+		t.Fatalf("expected card rule, got %s", rule.RuleID)
+	}
+
+	_, rule, err = resolver.ResolveFeeRule(context.Background(), nil, model.TriggerCapture, now, map[string]string{"paymentMethod": "bank"})
+	if err != nil {
+		t.Fatalf("expected default rule, got error: %v", err)
+	}
+	if rule.RuleID != "default" {
+		t.Fatalf("expected default rule, got %s", rule.RuleID)
+	}
+}
+
+func TestResolver_MissingTriggerReturnsErr(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	plan := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "capture", Trigger: model.TriggerCapture, Priority: 10, Percentage: "0.05", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	store := &memoryPlansStore{plans: []*model.FeePlan{plan}}
+	resolver := New(store, zap.NewNop())
+
+	if _, _, err := resolver.ResolveFeeRule(context.Background(), nil, model.TriggerRefund, now, nil); !errors.Is(err, ErrNoFeeRuleFound) {
+		t.Fatalf("expected ErrNoFeeRuleFound, got %v", err)
+	}
+}
+
+func TestResolver_MultipleActivePlansConflict(t *testing.T) {
+	t.Helper()
+
+	now := time.Now()
+	org := primitive.NewObjectID()
+	p1 := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{RuleID: "r1", Trigger: model.TriggerCapture, Priority: 10, Percentage: "0.05", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	p1.OrganizationRef = &org
+	p2 := &model.FeePlan{
+		Active:        true,
+		EffectiveFrom: now.Add(-30 * time.Minute),
+		Rules: []model.FeeRule{
+			{RuleID: "r2", Trigger: model.TriggerCapture, Priority: 20, Percentage: "0.03", EffectiveFrom: now.Add(-time.Hour)},
+		},
+	}
+	p2.OrganizationRef = &org
+
+	store := &memoryPlansStore{plans: []*model.FeePlan{p1, p2}}
+	resolver := New(store, zap.NewNop())
+
+	if _, _, err := resolver.ResolveFeeRule(context.Background(), &org, model.TriggerCapture, now, nil); !errors.Is(err, storage.ErrConflictingFeePlans) {
+		t.Fatalf("expected conflicting plans error, got %v", err)
+	}
+}
+
+type memoryPlansStore struct {
+	plans []*model.FeePlan
+}
+
+func (m *memoryPlansStore) Create(context.Context, *model.FeePlan) error { return nil }
+func (m *memoryPlansStore) Update(context.Context, *model.FeePlan) error { return nil }
+func (m *memoryPlansStore) Get(context.Context, primitive.ObjectID) (*model.FeePlan, error) {
+	return nil, storage.ErrFeePlanNotFound
+}
+
+func (m *memoryPlansStore) GetActivePlan(ctx context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
+	if !orgRef.IsZero() {
+		if plan, err := m.FindActiveOrgPlan(ctx, orgRef, at); err == nil {
+			return plan, nil
+		} else if !errors.Is(err, storage.ErrFeePlanNotFound) {
+			return nil, err
+		}
+	}
+	return m.FindActiveGlobalPlan(ctx, at)
+}
+
+func (m *memoryPlansStore) FindActiveOrgPlan(_ context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
+	var matches []*model.FeePlan
+	for _, plan := range m.plans {
+		if plan == nil || plan.OrganizationRef == nil || plan.OrganizationRef.IsZero() || (*plan.OrganizationRef != orgRef) {
+			continue
+		}
+		if !plan.Active {
+			continue
+		}
+		if plan.EffectiveFrom.After(at) {
+			continue
+		}
+		if plan.EffectiveTo != nil && !plan.EffectiveTo.After(at) {
+			continue
+		}
+		matches = append(matches, plan)
+	}
+	if len(matches) == 0 {
+		return nil, storage.ErrFeePlanNotFound
+	}
+	if len(matches) > 1 {
+		return nil, storage.ErrConflictingFeePlans
+	}
+	return matches[0], nil
+}
+
+func (m *memoryPlansStore) FindActiveGlobalPlan(_ context.Context, at time.Time) (*model.FeePlan, error) {
+	var matches []*model.FeePlan
+	for _, plan := range m.plans {
+		if plan == nil || ((plan.OrganizationRef != nil) && !plan.OrganizationRef.IsZero()) {
+			continue
+		}
+		if !plan.Active {
+			continue
+		}
+		if plan.EffectiveFrom.After(at) {
+			continue
+		}
+		if plan.EffectiveTo != nil && !plan.EffectiveTo.After(at) {
+			continue
+		}
+		matches = append(matches, plan)
+	}
+	if len(matches) == 0 {
+		return nil, storage.ErrFeePlanNotFound
+	}
+	if len(matches) > 1 {
+		return nil, storage.ErrConflictingFeePlans
+	}
+	return matches[0], nil
+}
+
+var _ storage.PlansStore = (*memoryPlansStore)(nil)

api/billing/fees/internal/service/fees/logging.go

@@ -0,0 +1,88 @@
+package fees
+
+import (
+	"strings"
+	"time"
+
+	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
+	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
+	"go.uber.org/zap"
+)
+
+func requestLogFields(meta *feesv1.RequestMeta, intent *feesv1.Intent) []zap.Field {
+	fields := logFieldsFromRequestMeta(meta)
+	fields = append(fields, logFieldsFromIntent(intent)...)
+	return fields
+}
+
+func logFieldsFromRequestMeta(meta *feesv1.RequestMeta) []zap.Field {
+	if meta == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 4)
+	if org := strings.TrimSpace(meta.GetOrganizationRef()); org != "" {
+		fields = append(fields, zap.String("organization_ref", org))
+	}
+	fields = append(fields, logFieldsFromTrace(meta.GetTrace())...)
+	return fields
+}
+
+func logFieldsFromIntent(intent *feesv1.Intent) []zap.Field {
+	if intent == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 5)
+	if trigger := intent.GetTrigger(); trigger != feesv1.Trigger_TRIGGER_UNSPECIFIED {
+		fields = append(fields, zap.String("trigger", trigger.String()))
+	}
+	if base := intent.GetBaseAmount(); base != nil {
+		if amount := strings.TrimSpace(base.GetAmount()); amount != "" {
+			fields = append(fields, zap.String("base_amount", amount))
+		}
+		if currency := strings.TrimSpace(base.GetCurrency()); currency != "" {
+			fields = append(fields, zap.String("base_currency", currency))
+		}
+	}
+	if booked := intent.GetBookedAt(); booked != nil && booked.IsValid() {
+		fields = append(fields, zap.Time("booked_at", booked.AsTime()))
+	}
+	if attrs := intent.GetAttributes(); len(attrs) > 0 {
+		fields = append(fields, zap.Int("attributes_count", len(attrs)))
+	}
+	return fields
+}
+
+func logFieldsFromTrace(trace *tracev1.TraceContext) []zap.Field {
+	if trace == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 3)
+	if reqRef := strings.TrimSpace(trace.GetRequestRef()); reqRef != "" {
+		fields = append(fields, zap.String("request_ref", reqRef))
+	}
+	if idem := strings.TrimSpace(trace.GetIdempotencyKey()); idem != "" {
+		fields = append(fields, zap.String("idempotency_key", idem))
+	}
+	if traceRef := strings.TrimSpace(trace.GetTraceRef()); traceRef != "" {
+		fields = append(fields, zap.String("trace_ref", traceRef))
+	}
+	return fields
+}
+
+func logFieldsFromTokenPayload(payload *feeQuoteTokenPayload) []zap.Field {
+	if payload == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 6)
+	if org := strings.TrimSpace(payload.OrganizationRef); org != "" {
+		fields = append(fields, zap.String("organization_ref", org))
+	}
+	if payload.ExpiresAtUnixMs > 0 {
+		fields = append(fields,
+			zap.Int64("expires_at_unix_ms", payload.ExpiresAtUnixMs),
+			zap.Time("expires_at", time.UnixMilli(payload.ExpiresAtUnixMs)))
+	}
+	fields = append(fields, logFieldsFromIntent(payload.Intent)...)
+	fields = append(fields, logFieldsFromTrace(payload.Trace)...)
+	return fields
+}

api/billing/fees/internal/service/fees/options.go

@@ -1,6 +1,7 @@
 package fees
 
 import (
+	internalcalculator "github.com/tech/sendico/billing/fees/internal/service/fees/internal/calculator"
 	oracleclient "github.com/tech/sendico/fx/oracle/client"
 	clockpkg "github.com/tech/sendico/pkg/clock"
 )
@@ -30,8 +31,18 @@ func WithCalculator(calculator Calculator) Option {
 func WithOracleClient(oracle oracleclient.Client) Option {
 	return func(s *Service) {
 		s.oracle = oracle
-		if qc, ok := s.calculator.(*quoteCalculator); ok {
+		// Rebuild default calculator if none was injected.
-			qc.oracle = oracle
+		if s.calculator == nil {
+			s.calculator = internalcalculator.New(s.logger, oracle)
+		}
+	}
+}
+
+// WithFeeResolver injects a custom fee resolver (useful for tests).
+func WithFeeResolver(r FeeResolver) Option {
+	return func(s *Service) {
+		if r != nil {
+			s.resolver = r
 		}
 	}
 }

api/billing/fees/internal/service/fees/resolver.go

@@ -0,0 +1,15 @@
+package fees
+
+import (
+	"context"
+	"time"
+
+	"github.com/tech/sendico/billing/fees/storage/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// FeeResolver centralises plan/rule resolution with org override and global fallback.
+// Implementations live under the internal/resolver package.
+type FeeResolver interface {
+	ResolveFeeRule(ctx context.Context, orgID *primitive.ObjectID, trigger model.Trigger, at time.Time, attrs map[string]string) (*model.FeePlan, *model.FeeRule, error)
+}

api/billing/fees/internal/service/fees/service.go

@@ -8,7 +8,10 @@ import (
 	"strings"
 	"time"
 
+	internalcalculator "github.com/tech/sendico/billing/fees/internal/service/fees/internal/calculator"
+	"github.com/tech/sendico/billing/fees/internal/service/fees/internal/resolver"
 	"github.com/tech/sendico/billing/fees/storage"
+	"github.com/tech/sendico/billing/fees/storage/model"
 	oracleclient "github.com/tech/sendico/fx/oracle/client"
 	"github.com/tech/sendico/pkg/api/routers"
 	clockpkg "github.com/tech/sendico/pkg/clock"
@@ -32,6 +35,7 @@ type Service struct {
 	clock      clockpkg.Clock
 	calculator Calculator
 	oracle     oracleclient.Client
+	resolver   FeeResolver
 	feesv1.UnimplementedFeeEngineServer
 }
 
@@ -52,7 +56,10 @@ func NewService(logger mlogger.Logger, repo storage.Repository, producer msg.Pro
 		svc.clock = clockpkg.NewSystem()
 	}
 	if svc.calculator == nil {
-		svc.calculator = newQuoteCalculator(svc.logger, svc.oracle)
+		svc.calculator = internalcalculator.New(svc.logger, svc.oracle)
+	}
+	if svc.resolver == nil {
+		svc.resolver = resolver.New(repo.Plans(), svc.logger)
 	}
 
 	return svc
@@ -65,26 +72,57 @@ func (s *Service) Register(router routers.GRPC) error {
 }
 
 func (s *Service) QuoteFees(ctx context.Context, req *feesv1.QuoteFeesRequest) (resp *feesv1.QuoteFeesResponse, err error) {
+	var (
+		meta   *feesv1.RequestMeta
+		intent *feesv1.Intent
+	)
+	if req != nil {
+		meta = req.GetMeta()
+		intent = req.GetIntent()
+	}
+	logger := s.logger.With(requestLogFields(meta, intent)...)
+
 	start := s.clock.Now()
 	trigger := feesv1.Trigger_TRIGGER_UNSPECIFIED
-	if req != nil && req.GetIntent() != nil {
+	if intent != nil {
-		trigger = req.GetIntent().GetTrigger()
+		trigger = intent.GetTrigger()
 	}
 	var fxUsed bool
 	defer func() {
 		statusLabel := statusFromError(err)
+		linesCount := 0
+		appliedCount := 0
 		if err == nil && resp != nil {
 			fxUsed = resp.GetFxUsed() != nil
+			linesCount = len(resp.GetLines())
+			appliedCount = len(resp.GetApplied())
 		}
 		observeMetrics("quote", trigger, statusLabel, fxUsed, time.Since(start))
+
+		logFields := []zap.Field{
+			zap.String("status", statusLabel),
+			zap.Duration("duration", time.Since(start)),
+			zap.Bool("fx_used", fxUsed),
+			zap.String("trigger", trigger.String()),
+			zap.Int("lines", linesCount),
+			zap.Int("applied_rules", appliedCount),
+		}
+		if err != nil {
+			logger.Warn("QuoteFees finished", append(logFields, zap.Error(err))...)
+			return
+		}
+		logger.Info("QuoteFees finished", logFields...)
 	}()
 
+	logger.Debug("QuoteFees request received")
+
 	if err = s.validateQuoteRequest(req); err != nil {
 		return nil, err
 	}
 
 	orgRef, parseErr := primitive.ObjectIDFromHex(req.GetMeta().GetOrganizationRef())
 	if parseErr != nil {
+		logger.Warn("QuoteFees invalid organization_ref", zap.Error(parseErr))
 		err = status.Error(codes.InvalidArgument, "invalid organization_ref")
 		return nil, err
 	}
@@ -105,20 +143,59 @@ func (s *Service) QuoteFees(ctx context.Context, req *feesv1.QuoteFeesRequest) (
 }
 
 func (s *Service) PrecomputeFees(ctx context.Context, req *feesv1.PrecomputeFeesRequest) (resp *feesv1.PrecomputeFeesResponse, err error) {
+	var (
+		meta   *feesv1.RequestMeta
+		intent *feesv1.Intent
+	)
+	if req != nil {
+		meta = req.GetMeta()
+		intent = req.GetIntent()
+	}
+	logger := s.logger.With(requestLogFields(meta, intent)...)
+
 	start := s.clock.Now()
 	trigger := feesv1.Trigger_TRIGGER_UNSPECIFIED
-	if req != nil && req.GetIntent() != nil {
+	if intent != nil {
-		trigger = req.GetIntent().GetTrigger()
+		trigger = intent.GetTrigger()
 	}
-	var fxUsed bool
+	var (
+		fxUsed    bool
+		expiresAt time.Time
+	)
 	defer func() {
 		statusLabel := statusFromError(err)
+		linesCount := 0
+		appliedCount := 0
 		if err == nil && resp != nil {
 			fxUsed = resp.GetFxUsed() != nil
+			linesCount = len(resp.GetLines())
+			appliedCount = len(resp.GetApplied())
+			if ts := resp.GetExpiresAt(); ts != nil {
+				expiresAt = ts.AsTime()
+			}
 		}
 		observeMetrics("precompute", trigger, statusLabel, fxUsed, time.Since(start))
+
+		logFields := []zap.Field{
+			zap.String("status", statusLabel),
+			zap.Duration("duration", time.Since(start)),
+			zap.Bool("fx_used", fxUsed),
+			zap.String("trigger", trigger.String()),
+			zap.Int("lines", linesCount),
+			zap.Int("applied_rules", appliedCount),
+		}
+		if !expiresAt.IsZero() {
+			logFields = append(logFields, zap.Time("expires_at", expiresAt))
+		}
+		if err != nil {
+			logger.Warn("PrecomputeFees finished", append(logFields, zap.Error(err))...)
+			return
+		}
+		logger.Info("PrecomputeFees finished", logFields...)
 	}()
 
+	logger.Debug("PrecomputeFees request received")
+
 	if err = s.validatePrecomputeRequest(req); err != nil {
 		return nil, err
 	}
@@ -127,6 +204,7 @@ func (s *Service) PrecomputeFees(ctx context.Context, req *feesv1.PrecomputeFees
 
 	orgRef, parseErr := primitive.ObjectIDFromHex(req.GetMeta().GetOrganizationRef())
 	if parseErr != nil {
+		logger.Warn("PrecomputeFees invalid organization_ref", zap.Error(parseErr))
 		err = status.Error(codes.InvalidArgument, "invalid organization_ref")
 		return nil, err
 	}
@@ -141,7 +219,7 @@ func (s *Service) PrecomputeFees(ctx context.Context, req *feesv1.PrecomputeFees
 	if ttl <= 0 {
 		ttl = 60000
 	}
-	expiresAt := now.Add(time.Duration(ttl) * time.Millisecond)
+	expiresAt = now.Add(time.Duration(ttl) * time.Millisecond)
 
 	payload := feeQuoteTokenPayload{
 		OrganizationRef: req.GetMeta().GetOrganizationRef(),
@@ -152,7 +230,7 @@ func (s *Service) PrecomputeFees(ctx context.Context, req *feesv1.PrecomputeFees
 
 	var token string
 	if token, err = encodeTokenPayload(payload); err != nil {
-		s.logger.Warn("failed to encode fee quote token", zap.Error(err))
+		logger.Warn("failed to encode fee quote token", zap.Error(err))
 		err = status.Error(codes.Internal, "failed to encode fee quote token")
 		return nil, err
 	}
@@ -169,9 +247,18 @@ func (s *Service) PrecomputeFees(ctx context.Context, req *feesv1.PrecomputeFees
 }
 
 func (s *Service) ValidateFeeToken(ctx context.Context, req *feesv1.ValidateFeeTokenRequest) (resp *feesv1.ValidateFeeTokenResponse, err error) {
+	tokenLen := 0
+	if req != nil {
+		tokenLen = len(strings.TrimSpace(req.GetFeeQuoteToken()))
+	}
+	logger := s.logger.With(zap.Int("token_length", tokenLen))
+
 	start := s.clock.Now()
 	trigger := feesv1.Trigger_TRIGGER_UNSPECIFIED
-	var fxUsed bool
+	var (
+		fxUsed       bool
+		resultReason string
+	)
 	defer func() {
 		statusLabel := statusFromError(err)
 		if err == nil && resp != nil {
@@ -184,9 +271,28 @@ func (s *Service) ValidateFeeToken(ctx context.Context, req *feesv1.ValidateFeeT
 			}
 		}
 		observeMetrics("validate", trigger, statusLabel, fxUsed, time.Since(start))
+
+		logFields := []zap.Field{
+			zap.String("status", statusLabel),
+			zap.Duration("duration", time.Since(start)),
+			zap.Bool("fx_used", fxUsed),
+			zap.String("trigger", trigger.String()),
+			zap.Bool("valid", resp != nil && resp.GetValid()),
+		}
+		if resultReason != "" {
+			logFields = append(logFields, zap.String("reason", resultReason))
+		}
+		if err != nil {
+			logger.Warn("ValidateFeeToken finished", append(logFields, zap.Error(err))...)
+			return
+		}
+		logger.Info("ValidateFeeToken finished", logFields...)
 	}()
 
+	logger.Debug("ValidateFeeToken request received")
+
 	if req == nil || strings.TrimSpace(req.GetFeeQuoteToken()) == "" {
+		resultReason = "missing_token"
 		err = status.Error(codes.InvalidArgument, "fee_quote_token is required")
 		return nil, err
 	}
@@ -195,21 +301,29 @@ func (s *Service) ValidateFeeToken(ctx context.Context, req *feesv1.ValidateFeeT
 
 	payload, decodeErr := decodeTokenPayload(req.GetFeeQuoteToken())
 	if decodeErr != nil {
-		s.logger.Warn("failed to decode fee quote token", zap.Error(decodeErr))
+		resultReason = "invalid_token"
+		logger.Warn("failed to decode fee quote token", zap.Error(decodeErr))
 		resp = &feesv1.ValidateFeeTokenResponse{Meta: &feesv1.ResponseMeta{}, Valid: false, Reason: "invalid_token"}
 		return resp, nil
 	}
 
-	trigger = payload.Intent.GetTrigger()
+	logger = logger.With(logFieldsFromTokenPayload(&payload)...)
+
+	if payload.Intent != nil {
+		trigger = payload.Intent.GetTrigger()
+	}
 
 	if now.UnixMilli() > payload.ExpiresAtUnixMs {
+		resultReason = "expired"
+		logger.Info("fee quote token expired")
 		resp = &feesv1.ValidateFeeTokenResponse{Meta: &feesv1.ResponseMeta{}, Valid: false, Reason: "expired"}
 		return resp, nil
 	}
 
 	orgRef, parseErr := primitive.ObjectIDFromHex(payload.OrganizationRef)
 	if parseErr != nil {
-		s.logger.Warn("token contained invalid organization reference", zap.Error(parseErr))
+		resultReason = "invalid_token"
+		logger.Warn("token contained invalid organization reference", zap.Error(parseErr))
 		resp = &feesv1.ValidateFeeTokenResponse{Meta: &feesv1.ResponseMeta{}, Valid: false, Reason: "invalid_token"}
 		return resp, nil
 	}
@@ -273,21 +387,50 @@ func (s *Service) computeQuoteWithTime(ctx context.Context, orgRef primitive.Obj
 		bookedAt = intent.GetBookedAt().AsTime()
 	}
 
-	plan, err := s.storage.Plans().GetActivePlan(ctx, orgRef, bookedAt)
+	logFields := []zap.Field{
-	if err != nil {
+		zap.Time("booked_at_used", bookedAt),
-		if errors.Is(err, storage.ErrFeePlanNotFound) {
-			return nil, nil, nil, status.Error(codes.NotFound, "fee plan not found")
-		}
-		s.logger.Warn("failed to load active fee plan", zap.Error(err))
-		return nil, nil, nil, status.Error(codes.Internal, "failed to load fee plan")
 	}
+	if !orgRef.IsZero() {
+		logFields = append(logFields, zap.String("organization_ref", orgRef.Hex()))
+	}
+	logFields = append(logFields, logFieldsFromIntent(intent)...)
+	logFields = append(logFields, logFieldsFromTrace(trace)...)
+	logger := s.logger.With(logFields...)
+
+	var orgPtr *primitive.ObjectID
+	if !orgRef.IsZero() {
+		orgPtr = &orgRef
+	}
+
+	plan, rule, err := s.resolver.ResolveFeeRule(ctx, orgPtr, convertTrigger(intent.GetTrigger()), bookedAt, intent.GetAttributes())
+	if err != nil {
+		switch {
+		case errors.Is(err, merrors.ErrNoData):
+			return nil, nil, nil, status.Error(codes.NotFound, "fee rule not found")
+		case errors.Is(err, merrors.ErrDataConflict):
+			return nil, nil, nil, status.Error(codes.FailedPrecondition, "conflicting fee rules")
+		case errors.Is(err, storage.ErrConflictingFeePlans):
+			return nil, nil, nil, status.Error(codes.FailedPrecondition, "conflicting fee plans")
+		case errors.Is(err, storage.ErrFeePlanNotFound):
+			return nil, nil, nil, status.Error(codes.NotFound, "fee plan not found")
+		default:
+			logger.Warn("failed to resolve fee rule", zap.Error(err))
+			return nil, nil, nil, status.Error(codes.Internal, "failed to resolve fee rule")
+		}
+	}
+
+	originalRules := plan.Rules
+	plan.Rules = []model.FeeRule{*rule}
+	defer func() {
+		plan.Rules = originalRules
+	}()
 
 	result, calcErr := s.calculator.Compute(ctx, plan, intent, bookedAt, trace)
 	if calcErr != nil {
 		if errors.Is(calcErr, merrors.ErrInvalidArg) {
 			return nil, nil, nil, status.Error(codes.InvalidArgument, calcErr.Error())
 		}
-		s.logger.Warn("failed to compute fee quote", zap.Error(calcErr))
+		logger.Warn("failed to compute fee quote", zap.Error(calcErr))
 		return nil, nil, nil, status.Error(codes.Internal, "failed to compute fee quote")
 	}
 

api/billing/fees/internal/service/fees/service_test.go

@@ -2,9 +2,11 @@ package fees
 
 import (
 	"context"
+	"errors"
 	"testing"
 	"time"
 
+	"github.com/tech/sendico/billing/fees/internal/service/fees/types"
 	"github.com/tech/sendico/billing/fees/storage"
 	"github.com/tech/sendico/billing/fees/storage/model"
 	oracleclient "github.com/tech/sendico/fx/oracle/client"
@@ -47,7 +49,7 @@ func TestQuoteFees_ComputesDerivedLines(t *testing.T) {
 		},
 	}
 	plan.SetID(primitive.NewObjectID())
-	plan.SetOrganizationRef(orgRef)
+	plan.OrganizationRef = &orgRef
 
 	service := NewService(
 		zap.NewNop(),
@@ -161,7 +163,7 @@ func TestQuoteFees_FiltersByAttributesAndDates(t *testing.T) {
 		},
 	}
 	plan.SetID(primitive.NewObjectID())
-	plan.SetOrganizationRef(orgRef)
+	plan.OrganizationRef = &orgRef
 
 	service := NewService(
 		zap.NewNop(),
@@ -222,7 +224,7 @@ func TestQuoteFees_RoundingDown(t *testing.T) {
 		},
 	}
 	plan.SetID(primitive.NewObjectID())
-	plan.SetOrganizationRef(orgRef)
+	plan.OrganizationRef = &orgRef
 
 	service := NewService(
 		zap.NewNop(),
@@ -263,11 +265,21 @@ func TestQuoteFees_UsesInjectedCalculator(t *testing.T) {
 	plan := &model.FeePlan{
 		Active:        true,
 		EffectiveFrom: now.Add(-time.Hour),
+		Rules: []model.FeeRule{
+			{
+				RuleID:           "stub",
+				Trigger:          model.TriggerCapture,
+				Priority:         1,
+				Percentage:       "0.01",
+				LedgerAccountRef: "acct:stub",
+				EffectiveFrom:    now.Add(-time.Hour),
+			},
+		},
 	}
 	plan.SetID(primitive.NewObjectID())
-	plan.SetOrganizationRef(orgRef)
+	plan.OrganizationRef = &orgRef
 
-	result := &CalculationResult{
+	result := &types.CalculationResult{
 		Lines: []*feesv1.DerivedPostingLine{
 			{
 				LedgerAccountRef: "acct:stub",
@@ -341,7 +353,7 @@ func TestQuoteFees_PopulatesFxUsed(t *testing.T) {
 		},
 	}
 	plan.SetID(primitive.NewObjectID())
-	plan.SetOrganizationRef(orgRef)
+	plan.OrganizationRef = &orgRef
 
 	fakeOracle := &oracleclient.Fake{
 		LatestRateFn: func(ctx context.Context, req oracleclient.LatestRateParams) (*oracleclient.RateSnapshot, error) {
@@ -409,7 +421,8 @@ func (s *stubRepository) Plans() storage.PlansStore {
 }
 
 type stubPlansStore struct {
-	plan *model.FeePlan
+	plan       *model.FeePlan
+	globalPlan *model.FeePlan
 }
 
 func (s *stubPlansStore) Create(context.Context, *model.FeePlan) error {
@@ -425,24 +438,51 @@ func (s *stubPlansStore) Get(context.Context, primitive.ObjectID) (*model.FeePla
 }
 
 func (s *stubPlansStore) GetActivePlan(_ context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
+	if !orgRef.IsZero() {
+		if plan, err := s.FindActiveOrgPlan(context.Background(), orgRef, at); err == nil {
+			return plan, nil
+		} else if !errors.Is(err, storage.ErrFeePlanNotFound) {
+			return nil, err
+		}
+	}
+	return s.FindActiveGlobalPlan(context.Background(), at)
+}
+
+func (s *stubPlansStore) FindActiveOrgPlan(_ context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
 	if s.plan == nil {
 		return nil, storage.ErrFeePlanNotFound
 	}
-	if s.plan.GetOrganizationRef() != orgRef {
+	if (s.plan.OrganizationRef != nil) && (*s.plan.OrganizationRef != orgRef) {
 		return nil, storage.ErrFeePlanNotFound
 	}
 	if !s.plan.Active {
 		return nil, storage.ErrFeePlanNotFound
 	}
-	if !s.plan.EffectiveFrom.Before(at) && !s.plan.EffectiveFrom.Equal(at) {
+	if s.plan.EffectiveFrom.After(at) {
 		return nil, storage.ErrFeePlanNotFound
 	}
-	if s.plan.EffectiveTo != nil && s.plan.EffectiveTo.Before(at) {
+	if s.plan.EffectiveTo != nil && !s.plan.EffectiveTo.After(at) {
 		return nil, storage.ErrFeePlanNotFound
 	}
 	return s.plan, nil
 }
 
+func (s *stubPlansStore) FindActiveGlobalPlan(_ context.Context, at time.Time) (*model.FeePlan, error) {
+	if s.globalPlan == nil {
+		return nil, storage.ErrFeePlanNotFound
+	}
+	if !s.globalPlan.Active {
+		return nil, storage.ErrFeePlanNotFound
+	}
+	if s.globalPlan.EffectiveFrom.After(at) {
+		return nil, storage.ErrFeePlanNotFound
+	}
+	if s.globalPlan.EffectiveTo != nil && !s.globalPlan.EffectiveTo.After(at) {
+		return nil, storage.ErrFeePlanNotFound
+	}
+	return s.globalPlan, nil
+}
+
 type noopProducer struct{}
 
 func (noopProducer) SendMessage(me.Envelope) error {
@@ -458,14 +498,14 @@ func (f fixedClock) Now() time.Time {
 }
 
 type stubCalculator struct {
-	result   *CalculationResult
+	result   *types.CalculationResult
 	err      error
 	called   bool
 	gotPlan  *model.FeePlan
 	bookedAt time.Time
 }
 
-func (s *stubCalculator) Compute(_ context.Context, plan *model.FeePlan, _ *feesv1.Intent, bookedAt time.Time, _ *tracev1.TraceContext) (*CalculationResult, error) {
+func (s *stubCalculator) Compute(_ context.Context, plan *model.FeePlan, _ *feesv1.Intent, bookedAt time.Time, _ *tracev1.TraceContext) (*types.CalculationResult, error) {
 	s.called = true
 	s.gotPlan = plan
 	s.bookedAt = bookedAt

api/billing/fees/internal/service/fees/trigger.go

@@ -0,0 +1,23 @@
+package fees
+
+import (
+	"github.com/tech/sendico/billing/fees/storage/model"
+	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
+)
+
+func convertTrigger(trigger feesv1.Trigger) model.Trigger {
+	switch trigger {
+	case feesv1.Trigger_TRIGGER_CAPTURE:
+		return model.TriggerCapture
+	case feesv1.Trigger_TRIGGER_REFUND:
+		return model.TriggerRefund
+	case feesv1.Trigger_TRIGGER_DISPUTE:
+		return model.TriggerDispute
+	case feesv1.Trigger_TRIGGER_PAYOUT:
+		return model.TriggerPayout
+	case feesv1.Trigger_TRIGGER_FX_CONVERSION:
+		return model.TriggerFXConversion
+	default:
+		return model.TriggerUnspecified
+	}
+}

api/billing/fees/internal/service/fees/types/calculation_result.go

@@ -0,0 +1,12 @@
+package types
+
+import (
+	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
+)
+
+// CalculationResult contains derived fee lines and audit metadata.
+type CalculationResult struct {
+	Lines   []*feesv1.DerivedPostingLine
+	Applied []*feesv1.AppliedRule
+	FxUsed  *feesv1.FXUsed
+}

api/billing/fees/storage/model/plan.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/tech/sendico/pkg/db/storable"
 	"github.com/tech/sendico/pkg/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
 )
 
 const (
@@ -25,14 +26,14 @@ const (
 
 // FeePlan describes a collection of fee rules for an organisation.
 type FeePlan struct {
-	storable.Base               `bson:",inline" json:",inline"`
+	storable.Base     `bson:",inline" json:",inline"`
-	model.OrganizationBoundBase `bson:",inline" json:",inline"`
+	model.Describable `bson:",inline" json:",inline"`
-	model.Describable           `bson:",inline" json:",inline"`
+	OrganizationRef   *primitive.ObjectID `bson:"organizationRef,omitempty" json:"organizationRef,omitempty"`
-	Active                      bool              `bson:"active"             json:"active"`
+	Active            bool                `bson:"active"             json:"active"`
-	EffectiveFrom               time.Time         `bson:"effectiveFrom"      json:"effectiveFrom"`
+	EffectiveFrom     time.Time           `bson:"effectiveFrom"      json:"effectiveFrom"`
-	EffectiveTo                 *time.Time        `bson:"effectiveTo,omitempty" json:"effectiveTo,omitempty"`
+	EffectiveTo       *time.Time          `bson:"effectiveTo,omitempty" json:"effectiveTo,omitempty"`
-	Rules                       []FeeRule         `bson:"rules,omitempty"    json:"rules,omitempty"`
+	Rules             []FeeRule           `bson:"rules,omitempty"    json:"rules,omitempty"`
-	Metadata                    map[string]string `bson:"metadata,omitempty" json:"metadata,omitempty"`
+	Metadata          map[string]string   `bson:"metadata,omitempty" json:"metadata,omitempty"`
 }
 
 // Collection implements storable.Storable.
@@ -42,21 +43,21 @@ func (*FeePlan) Collection() string {
 
 // FeeRule represents a single pricing rule within a plan.
 type FeeRule struct {
-	RuleID        string            `bson:"ruleId"                  json:"ruleId"`
+	RuleID           string            `bson:"ruleId"                  json:"ruleId"`
-	Trigger       Trigger           `bson:"trigger"                 json:"trigger"`
+	Trigger          Trigger           `bson:"trigger"                 json:"trigger"`
-	Priority      int               `bson:"priority"                json:"priority"`
+	Priority         int               `bson:"priority"                json:"priority"`
-	Percentage    string            `bson:"percentage,omitempty"    json:"percentage,omitempty"`
+	Percentage       string            `bson:"percentage,omitempty"    json:"percentage,omitempty"`
-	FixedAmount   string            `bson:"fixedAmount,omitempty"   json:"fixedAmount,omitempty"`
+	FixedAmount      string            `bson:"fixedAmount,omitempty"   json:"fixedAmount,omitempty"`
-	Currency      string            `bson:"currency,omitempty"      json:"currency,omitempty"`
+	Currency         string            `bson:"currency,omitempty"      json:"currency,omitempty"`
-	MinimumAmount string            `bson:"minimumAmount,omitempty" json:"minimumAmount,omitempty"`
+	MinimumAmount    string            `bson:"minimumAmount,omitempty" json:"minimumAmount,omitempty"`
-	MaximumAmount string            `bson:"maximumAmount,omitempty" json:"maximumAmount,omitempty"`
+	MaximumAmount    string            `bson:"maximumAmount,omitempty" json:"maximumAmount,omitempty"`
-	AppliesTo     map[string]string `bson:"appliesTo,omitempty"     json:"appliesTo,omitempty"`
+	AppliesTo        map[string]string `bson:"appliesTo,omitempty"     json:"appliesTo,omitempty"`
-	Formula       string            `bson:"formula,omitempty"       json:"formula,omitempty"`
+	Formula          string            `bson:"formula,omitempty"       json:"formula,omitempty"`
-	Metadata      map[string]string `bson:"metadata,omitempty"      json:"metadata,omitempty"`
+	Metadata         map[string]string `bson:"metadata,omitempty"      json:"metadata,omitempty"`
-	LedgerAccountRef string         `bson:"ledgerAccountRef,omitempty" json:"ledgerAccountRef,omitempty"`
+	LedgerAccountRef string            `bson:"ledgerAccountRef,omitempty" json:"ledgerAccountRef,omitempty"`
-	LineType         string         `bson:"lineType,omitempty"        json:"lineType,omitempty"`
+	LineType         string            `bson:"lineType,omitempty"        json:"lineType,omitempty"`
-	EntrySide        string         `bson:"entrySide,omitempty"       json:"entrySide,omitempty"`
+	EntrySide        string            `bson:"entrySide,omitempty"       json:"entrySide,omitempty"`
-	Rounding         string         `bson:"rounding,omitempty"        json:"rounding,omitempty"`
+	Rounding         string            `bson:"rounding,omitempty"        json:"rounding,omitempty"`
-	EffectiveFrom time.Time         `bson:"effectiveFrom"           json:"effectiveFrom"`
+	EffectiveFrom    time.Time         `bson:"effectiveFrom"           json:"effectiveFrom"`
-	EffectiveTo   *time.Time        `bson:"effectiveTo,omitempty"   json:"effectiveTo,omitempty"`
+	EffectiveTo      *time.Time        `bson:"effectiveTo,omitempty"   json:"effectiveTo,omitempty"`
 }

api/billing/fees/storage/mongo/store/plans.go

@@ -3,10 +3,14 @@ package store
 import (
 	"context"
 	"errors"
+	"fmt"
+	"sort"
+	"strings"
 	"time"
 
 	"github.com/tech/sendico/billing/fees/storage"
 	"github.com/tech/sendico/billing/fees/storage/model"
+	dmath "github.com/tech/sendico/pkg/decimal"
 	"github.com/tech/sendico/pkg/db/repository"
 	"github.com/tech/sendico/pkg/db/repository/builder"
 	ri "github.com/tech/sendico/pkg/db/repository/index"
@@ -53,6 +57,19 @@ func NewPlans(logger mlogger.Logger, db *mongo.Database) (storage.PlansStore, er
 		return nil, err
 	}
 
+	// Recommended index to speed up active-plan lookups (org/global + active + dates).
+	activeIndex := &ri.Definition{
+		Keys: []ri.Key{
+			{Field: m.OrganizationRefField, Sort: ri.Asc},
+			{Field: "active", Sort: ri.Asc},
+			{Field: "effectiveFrom", Sort: ri.Asc},
+			{Field: "effectiveTo", Sort: ri.Asc},
+		},
+	}
+	if err := repo.CreateIndex(activeIndex); err != nil {
+		logger.Warn("failed to ensure fee plan active index", zap.Error(err))
+	}
+
 	return &plansStore{
 		logger: logger.Named("plans"),
 		repo:   repo,
@@ -60,9 +77,13 @@ func NewPlans(logger mlogger.Logger, db *mongo.Database) (storage.PlansStore, er
 }
 
 func (p *plansStore) Create(ctx context.Context, plan *model.FeePlan) error {
-	if plan == nil {
+	if err := validatePlan(plan); err != nil {
-		return merrors.InvalidArgument("plansStore: nil fee plan")
+		return err
 	}
+	if err := p.ensureNoOverlap(ctx, plan); err != nil {
+		return err
+	}
+
 	if err := p.repo.Insert(ctx, plan, nil); err != nil {
 		if errors.Is(err, merrors.ErrDataConflict) {
 			return storage.ErrDuplicateFeePlan
@@ -77,6 +98,13 @@ func (p *plansStore) Update(ctx context.Context, plan *model.FeePlan) error {
 	if plan == nil || plan.GetID() == nil || plan.GetID().IsZero() {
 		return merrors.InvalidArgument("plansStore: invalid fee plan reference")
 	}
+	if err := validatePlan(plan); err != nil {
+		return err
+	}
+	if err := p.ensureNoOverlap(ctx, plan); err != nil {
+		return err
+	}
+
 	if err := p.repo.Update(ctx, plan); err != nil {
 		p.logger.Warn("failed to update fee plan", zap.Error(err))
 		return err
@@ -99,13 +127,42 @@ func (p *plansStore) Get(ctx context.Context, planRef primitive.ObjectID) (*mode
 }
 
 func (p *plansStore) GetActivePlan(ctx context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
+	// Compatibility shim: prefer org plan, fall back to global; allow zero org to mean global.
+	if orgRef.IsZero() {
+		return p.FindActiveGlobalPlan(ctx, at)
+	}
+
+	plan, err := p.FindActiveOrgPlan(ctx, orgRef, at)
+	if err == nil {
+		return plan, nil
+	}
+	if errors.Is(err, storage.ErrFeePlanNotFound) {
+		return p.FindActiveGlobalPlan(ctx, at)
+	}
+	return nil, err
+}
+
+func (p *plansStore) FindActiveOrgPlan(ctx context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error) {
 	if orgRef.IsZero() {
 		return nil, merrors.InvalidArgument("plansStore: zero organization reference")
 	}
+	query := repository.Query().Filter(repository.OrgField(), orgRef)
+	return p.findActivePlan(ctx, query, at)
+}
 
-	limit := int64(1)
+func (p *plansStore) FindActiveGlobalPlan(ctx context.Context, at time.Time) (*model.FeePlan, error) {
-	query := repository.Query().
+	globalQuery := repository.Query().Or(
-		Filter(repository.OrgField(), orgRef).
+		repository.Exists(repository.OrgField(), false),
+		repository.Query().Filter(repository.OrgField(), nil),
+	)
+	return p.findActivePlan(ctx, globalQuery, at)
+}
+
+var _ storage.PlansStore = (*plansStore)(nil)
+
+func (p *plansStore) findActivePlan(ctx context.Context, orgQuery builder.Query, at time.Time) (*model.FeePlan, error) {
+	limit := int64(2)
+	query := orgQuery.
 		Filter(repository.Field("active"), true).
 		Comparison(repository.Field("effectiveFrom"), builder.Lte, at).
 		Sort(repository.Field("effectiveFrom"), false).
@@ -118,13 +175,13 @@ func (p *plansStore) GetActivePlan(ctx context.Context, orgRef primitive.ObjectI
 		),
 	)
 
-	var plan *model.FeePlan
+	var plans []*model.FeePlan
 	decoder := func(cursor *mongo.Cursor) error {
 		target := &model.FeePlan{}
 		if err := cursor.Decode(target); err != nil {
 			return err
 		}
-		plan = target
+		plans = append(plans, target)
 		return nil
 	}
 
@@ -135,10 +192,127 @@ func (p *plansStore) GetActivePlan(ctx context.Context, orgRef primitive.ObjectI
 		return nil, err
 	}
 
-	if plan == nil {
+	if len(plans) == 0 {
 		return nil, storage.ErrFeePlanNotFound
 	}
-	return plan, nil
+	if len(plans) > 1 {
+		return nil, storage.ErrConflictingFeePlans
+	}
+	return plans[0], nil
 }
 
-var _ storage.PlansStore = (*plansStore)(nil)
+func validatePlan(plan *model.FeePlan) error {
+	if plan == nil {
+		return merrors.InvalidArgument("plansStore: nil fee plan")
+	}
+	if len(plan.Rules) == 0 {
+		return merrors.InvalidArgument("plansStore: fee plan must contain at least one rule")
+	}
+	if plan.Active && plan.EffectiveTo != nil && plan.EffectiveTo.Before(plan.EffectiveFrom) {
+		return merrors.InvalidArgument("plansStore: effectiveTo cannot be before effectiveFrom")
+	}
+
+	// Ensure unique priority per (trigger, appliesTo) combination.
+	seen := make(map[string]struct{})
+	for _, rule := range plan.Rules {
+		if strings.TrimSpace(rule.Percentage) != "" {
+			if _, err := dmath.RatFromString(rule.Percentage); err != nil {
+				return merrors.InvalidArgument("plansStore: invalid rule percentage")
+			}
+		}
+		if strings.TrimSpace(rule.FixedAmount) != "" {
+			if _, err := dmath.RatFromString(rule.FixedAmount); err != nil {
+				return merrors.InvalidArgument("plansStore: invalid rule fixed amount")
+			}
+		}
+		if strings.TrimSpace(rule.MinimumAmount) != "" {
+			if _, err := dmath.RatFromString(rule.MinimumAmount); err != nil {
+				return merrors.InvalidArgument("plansStore: invalid rule minimum amount")
+			}
+		}
+		if strings.TrimSpace(rule.MaximumAmount) != "" {
+			if _, err := dmath.RatFromString(rule.MaximumAmount); err != nil {
+				return merrors.InvalidArgument("plansStore: invalid rule maximum amount")
+			}
+		}
+
+		appliesKey := normalizeAppliesTo(rule.AppliesTo)
+		priorityKey := fmt.Sprintf("%s|%d|%s", rule.Trigger, rule.Priority, appliesKey)
+		if _, ok := seen[priorityKey]; ok {
+			return merrors.InvalidArgument("plansStore: duplicate priority for trigger/appliesTo")
+		}
+		seen[priorityKey] = struct{}{}
+	}
+	return nil
+}
+
+func normalizeAppliesTo(applies map[string]string) string {
+	if len(applies) == 0 {
+		return ""
+	}
+	keys := make([]string, 0, len(applies))
+	for k := range applies {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	parts := make([]string, 0, len(keys))
+	for _, k := range keys {
+		parts = append(parts, k+"="+applies[k])
+	}
+	return strings.Join(parts, ",")
+}
+
+func (p *plansStore) ensureNoOverlap(ctx context.Context, plan *model.FeePlan) error {
+	if plan == nil || !plan.Active {
+		return nil
+	}
+
+	orgQuery := repository.Query()
+	if plan.OrganizationRef.IsZero() {
+		orgQuery = repository.Query().Or(
+			repository.Exists(repository.OrgField(), false),
+			repository.Query().Filter(repository.OrgField(), nil),
+		)
+	} else {
+		orgQuery = repository.Query().Filter(repository.OrgField(), plan.OrganizationRef)
+	}
+
+	maxTime := time.Date(9999, 12, 31, 23, 59, 59, 0, time.UTC)
+	newFrom := plan.EffectiveFrom
+	newTo := maxTime
+	if plan.EffectiveTo != nil {
+		newTo = *plan.EffectiveTo
+	}
+
+	query := orgQuery.
+		Filter(repository.Field("active"), true).
+		Comparison(repository.Field("effectiveFrom"), builder.Lte, newTo).
+		And(repository.Query().Or(
+			repository.Query().Filter(repository.Field("effectiveTo"), nil),
+			repository.Query().Comparison(repository.Field("effectiveTo"), builder.Gte, newFrom),
+		))
+
+	if id := plan.GetID(); id != nil && !id.IsZero() {
+		query = query.And(repository.Query().Comparison(repository.IDField(), builder.Ne, *id))
+	}
+
+	limit := int64(1)
+	query = query.Limit(&limit)
+
+	var overlapFound bool
+	decoder := func(cursor *mongo.Cursor) error {
+		overlapFound = true
+		return nil
+	}
+
+	if err := p.repo.FindManyByFilter(ctx, query, decoder); err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			return nil
+		}
+		return err
+	}
+	if overlapFound {
+		return storage.ErrConflictingFeePlans
+	}
+	return nil
+}

api/billing/fees/storage/storage.go

@@ -19,6 +19,8 @@ var (
 	ErrFeePlanNotFound = storageError("billing.fees.storage: fee plan not found")
 	// ErrDuplicateFeePlan indicates that a unique plan constraint was violated.
 	ErrDuplicateFeePlan = storageError("billing.fees.storage: duplicate fee plan")
+	// ErrConflictingFeePlans indicates multiple active plans matched a query.
+	ErrConflictingFeePlans = storageError("billing.fees.storage: conflicting fee plans")
 )
 
 // Repository defines the root storage contract for the fees service.
@@ -32,5 +34,6 @@ type PlansStore interface {
 	Create(ctx context.Context, plan *model.FeePlan) error
 	Update(ctx context.Context, plan *model.FeePlan) error
 	Get(ctx context.Context, planRef primitive.ObjectID) (*model.FeePlan, error)
+	// Legacy helper that now prefers an org plan and falls back to a global plan.
 	GetActivePlan(ctx context.Context, orgRef primitive.ObjectID, at time.Time) (*model.FeePlan, error)
 }

api/chain/gateway/client/fake.go

@@ -1,83 +0,0 @@
-package client
-
-import (
-	"context"
-
-	gatewayv1 "github.com/tech/sendico/pkg/proto/chain/gateway/v1"
-)
-
-// Fake implements Client for tests.
-type Fake struct {
-	CreateManagedWalletFn func(ctx context.Context, req *gatewayv1.CreateManagedWalletRequest) (*gatewayv1.CreateManagedWalletResponse, error)
-	GetManagedWalletFn    func(ctx context.Context, req *gatewayv1.GetManagedWalletRequest) (*gatewayv1.GetManagedWalletResponse, error)
-	ListManagedWalletsFn  func(ctx context.Context, req *gatewayv1.ListManagedWalletsRequest) (*gatewayv1.ListManagedWalletsResponse, error)
-	GetWalletBalanceFn    func(ctx context.Context, req *gatewayv1.GetWalletBalanceRequest) (*gatewayv1.GetWalletBalanceResponse, error)
-	SubmitTransferFn      func(ctx context.Context, req *gatewayv1.SubmitTransferRequest) (*gatewayv1.SubmitTransferResponse, error)
-	GetTransferFn         func(ctx context.Context, req *gatewayv1.GetTransferRequest) (*gatewayv1.GetTransferResponse, error)
-	ListTransfersFn       func(ctx context.Context, req *gatewayv1.ListTransfersRequest) (*gatewayv1.ListTransfersResponse, error)
-	EstimateTransferFeeFn func(ctx context.Context, req *gatewayv1.EstimateTransferFeeRequest) (*gatewayv1.EstimateTransferFeeResponse, error)
-	CloseFn               func() error
-}
-
-func (f *Fake) CreateManagedWallet(ctx context.Context, req *gatewayv1.CreateManagedWalletRequest) (*gatewayv1.CreateManagedWalletResponse, error) {
-	if f.CreateManagedWalletFn != nil {
-		return f.CreateManagedWalletFn(ctx, req)
-	}
-	return &gatewayv1.CreateManagedWalletResponse{}, nil
-}
-
-func (f *Fake) GetManagedWallet(ctx context.Context, req *gatewayv1.GetManagedWalletRequest) (*gatewayv1.GetManagedWalletResponse, error) {
-	if f.GetManagedWalletFn != nil {
-		return f.GetManagedWalletFn(ctx, req)
-	}
-	return &gatewayv1.GetManagedWalletResponse{}, nil
-}
-
-func (f *Fake) ListManagedWallets(ctx context.Context, req *gatewayv1.ListManagedWalletsRequest) (*gatewayv1.ListManagedWalletsResponse, error) {
-	if f.ListManagedWalletsFn != nil {
-		return f.ListManagedWalletsFn(ctx, req)
-	}
-	return &gatewayv1.ListManagedWalletsResponse{}, nil
-}
-
-func (f *Fake) GetWalletBalance(ctx context.Context, req *gatewayv1.GetWalletBalanceRequest) (*gatewayv1.GetWalletBalanceResponse, error) {
-	if f.GetWalletBalanceFn != nil {
-		return f.GetWalletBalanceFn(ctx, req)
-	}
-	return &gatewayv1.GetWalletBalanceResponse{}, nil
-}
-
-func (f *Fake) SubmitTransfer(ctx context.Context, req *gatewayv1.SubmitTransferRequest) (*gatewayv1.SubmitTransferResponse, error) {
-	if f.SubmitTransferFn != nil {
-		return f.SubmitTransferFn(ctx, req)
-	}
-	return &gatewayv1.SubmitTransferResponse{}, nil
-}
-
-func (f *Fake) GetTransfer(ctx context.Context, req *gatewayv1.GetTransferRequest) (*gatewayv1.GetTransferResponse, error) {
-	if f.GetTransferFn != nil {
-		return f.GetTransferFn(ctx, req)
-	}
-	return &gatewayv1.GetTransferResponse{}, nil
-}
-
-func (f *Fake) ListTransfers(ctx context.Context, req *gatewayv1.ListTransfersRequest) (*gatewayv1.ListTransfersResponse, error) {
-	if f.ListTransfersFn != nil {
-		return f.ListTransfersFn(ctx, req)
-	}
-	return &gatewayv1.ListTransfersResponse{}, nil
-}
-
-func (f *Fake) EstimateTransferFee(ctx context.Context, req *gatewayv1.EstimateTransferFeeRequest) (*gatewayv1.EstimateTransferFeeResponse, error) {
-	if f.EstimateTransferFeeFn != nil {
-		return f.EstimateTransferFeeFn(ctx, req)
-	}
-	return &gatewayv1.EstimateTransferFeeResponse{}, nil
-}
-
-func (f *Fake) Close() error {
-	if f.CloseFn != nil {
-		return f.CloseFn()
-	}
-	return nil
-}

api/chain/gateway/internal/service/gateway/conversion_helpers.go

@@ -1,21 +0,0 @@
-package gateway
-
-import moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
-
-func cloneMoney(m *moneyv1.Money) *moneyv1.Money {
-	if m == nil {
-		return nil
-	}
-	return &moneyv1.Money{Amount: m.GetAmount(), Currency: m.GetCurrency()}
-}
-
-func cloneMetadata(input map[string]string) map[string]string {
-	if len(input) == 0 {
-		return nil
-	}
-	clone := make(map[string]string, len(input))
-	for k, v := range input {
-		clone[k] = v
-	}
-	return clone
-}

api/chain/gateway/internal/service/gateway/service.go

@@ -1,214 +0,0 @@
-package gateway
-
-import (
-	"context"
-	"strings"
-
-	"github.com/tech/sendico/chain/gateway/internal/keymanager"
-	"github.com/tech/sendico/chain/gateway/storage"
-	"github.com/tech/sendico/chain/gateway/storage/model"
-	"github.com/tech/sendico/pkg/api/routers"
-	"github.com/tech/sendico/pkg/api/routers/gsresponse"
-	clockpkg "github.com/tech/sendico/pkg/clock"
-	msg "github.com/tech/sendico/pkg/messaging"
-	"github.com/tech/sendico/pkg/mlogger"
-	"github.com/tech/sendico/pkg/mservice"
-	gatewayv1 "github.com/tech/sendico/pkg/proto/chain/gateway/v1"
-	"go.mongodb.org/mongo-driver/bson/primitive"
-	"google.golang.org/grpc"
-)
-
-type serviceError string
-
-func (e serviceError) Error() string {
-	return string(e)
-}
-
-var (
-	errStorageUnavailable = serviceError("chain_gateway: storage not initialised")
-)
-
-// Service implements the ChainGatewayService RPC contract.
-type Service struct {
-	logger   mlogger.Logger
-	storage  storage.Repository
-	producer msg.Producer
-	clock    clockpkg.Clock
-
-	networks      map[string]Network
-	serviceWallet ServiceWallet
-	keyManager    keymanager.Manager
-	executor      TransferExecutor
-
-	gatewayv1.UnimplementedChainGatewayServiceServer
-}
-
-// NewService constructs the chain gateway service skeleton.
-func NewService(logger mlogger.Logger, repo storage.Repository, producer msg.Producer, opts ...Option) *Service {
-	svc := &Service{
-		logger:   logger.Named("chain_gateway"),
-		storage:  repo,
-		producer: producer,
-		clock:    clockpkg.System{},
-		networks: map[string]Network{},
-	}
-
-	initMetrics()
-
-	for _, opt := range opts {
-		if opt != nil {
-			opt(svc)
-		}
-	}
-
-	if svc.clock == nil {
-		svc.clock = clockpkg.System{}
-	}
-	if svc.networks == nil {
-		svc.networks = map[string]Network{}
-	}
-
-	return svc
-}
-
-// Register wires the service onto the provided gRPC router.
-func (s *Service) Register(router routers.GRPC) error {
-	return router.Register(func(reg grpc.ServiceRegistrar) {
-		gatewayv1.RegisterChainGatewayServiceServer(reg, s)
-	})
-}
-
-func (s *Service) CreateManagedWallet(ctx context.Context, req *gatewayv1.CreateManagedWalletRequest) (*gatewayv1.CreateManagedWalletResponse, error) {
-	return executeUnary(ctx, s, "CreateManagedWallet", s.createManagedWalletHandler, req)
-}
-
-func (s *Service) GetManagedWallet(ctx context.Context, req *gatewayv1.GetManagedWalletRequest) (*gatewayv1.GetManagedWalletResponse, error) {
-	return executeUnary(ctx, s, "GetManagedWallet", s.getManagedWalletHandler, req)
-}
-
-func (s *Service) ListManagedWallets(ctx context.Context, req *gatewayv1.ListManagedWalletsRequest) (*gatewayv1.ListManagedWalletsResponse, error) {
-	return executeUnary(ctx, s, "ListManagedWallets", s.listManagedWalletsHandler, req)
-}
-
-func (s *Service) GetWalletBalance(ctx context.Context, req *gatewayv1.GetWalletBalanceRequest) (*gatewayv1.GetWalletBalanceResponse, error) {
-	return executeUnary(ctx, s, "GetWalletBalance", s.getWalletBalanceHandler, req)
-}
-
-func (s *Service) SubmitTransfer(ctx context.Context, req *gatewayv1.SubmitTransferRequest) (*gatewayv1.SubmitTransferResponse, error) {
-	return executeUnary(ctx, s, "SubmitTransfer", s.submitTransferHandler, req)
-}
-
-func (s *Service) GetTransfer(ctx context.Context, req *gatewayv1.GetTransferRequest) (*gatewayv1.GetTransferResponse, error) {
-	return executeUnary(ctx, s, "GetTransfer", s.getTransferHandler, req)
-}
-
-func (s *Service) ListTransfers(ctx context.Context, req *gatewayv1.ListTransfersRequest) (*gatewayv1.ListTransfersResponse, error) {
-	return executeUnary(ctx, s, "ListTransfers", s.listTransfersHandler, req)
-}
-
-func (s *Service) EstimateTransferFee(ctx context.Context, req *gatewayv1.EstimateTransferFeeRequest) (*gatewayv1.EstimateTransferFeeResponse, error) {
-	return executeUnary(ctx, s, "EstimateTransferFee", s.estimateTransferFeeHandler, req)
-}
-
-func (s *Service) ensureRepository(ctx context.Context) error {
-	if s.storage == nil {
-		return errStorageUnavailable
-	}
-	return s.storage.Ping(ctx)
-}
-
-func executeUnary[TReq any, TResp any](ctx context.Context, svc *Service, method string, handler func(context.Context, *TReq) gsresponse.Responder[TResp], req *TReq) (*TResp, error) {
-	start := svc.clock.Now()
-	resp, err := gsresponse.Unary(svc.logger, mservice.ChainGateway, handler)(ctx, req)
-	observeRPC(method, err, svc.clock.Now().Sub(start))
-	return resp, err
-}
-
-func resolveContractAddress(tokens []TokenContract, symbol string) string {
-	upper := strings.ToUpper(symbol)
-	for _, token := range tokens {
-		if strings.EqualFold(token.Symbol, upper) && token.ContractAddress != "" {
-			return strings.ToLower(token.ContractAddress)
-		}
-	}
-	return ""
-}
-
-func generateWalletRef() string {
-	return primitive.NewObjectID().Hex()
-}
-
-func generateTransferRef() string {
-	return primitive.NewObjectID().Hex()
-}
-
-func chainKeyFromEnum(chain gatewayv1.ChainNetwork) (string, gatewayv1.ChainNetwork) {
-	if name, ok := gatewayv1.ChainNetwork_name[int32(chain)]; ok {
-		key := strings.ToLower(strings.TrimPrefix(name, "CHAIN_NETWORK_"))
-		return key, chain
-	}
-	return "", gatewayv1.ChainNetwork_CHAIN_NETWORK_UNSPECIFIED
-}
-
-func chainEnumFromName(name string) gatewayv1.ChainNetwork {
-	if name == "" {
-		return gatewayv1.ChainNetwork_CHAIN_NETWORK_UNSPECIFIED
-	}
-	upper := strings.ToUpper(strings.ReplaceAll(strings.ReplaceAll(name, " ", "_"), "-", "_"))
-	key := "CHAIN_NETWORK_" + upper
-	if val, ok := gatewayv1.ChainNetwork_value[key]; ok {
-		return gatewayv1.ChainNetwork(val)
-	}
-	return gatewayv1.ChainNetwork_CHAIN_NETWORK_UNSPECIFIED
-}
-
-func managedWalletStatusToProto(status model.ManagedWalletStatus) gatewayv1.ManagedWalletStatus {
-	switch status {
-	case model.ManagedWalletStatusActive:
-		return gatewayv1.ManagedWalletStatus_MANAGED_WALLET_ACTIVE
-	case model.ManagedWalletStatusSuspended:
-		return gatewayv1.ManagedWalletStatus_MANAGED_WALLET_SUSPENDED
-	case model.ManagedWalletStatusClosed:
-		return gatewayv1.ManagedWalletStatus_MANAGED_WALLET_CLOSED
-	default:
-		return gatewayv1.ManagedWalletStatus_MANAGED_WALLET_STATUS_UNSPECIFIED
-	}
-}
-
-func transferStatusToModel(status gatewayv1.TransferStatus) model.TransferStatus {
-	switch status {
-	case gatewayv1.TransferStatus_TRANSFER_PENDING:
-		return model.TransferStatusPending
-	case gatewayv1.TransferStatus_TRANSFER_SIGNING:
-		return model.TransferStatusSigning
-	case gatewayv1.TransferStatus_TRANSFER_SUBMITTED:
-		return model.TransferStatusSubmitted
-	case gatewayv1.TransferStatus_TRANSFER_CONFIRMED:
-		return model.TransferStatusConfirmed
-	case gatewayv1.TransferStatus_TRANSFER_FAILED:
-		return model.TransferStatusFailed
-	case gatewayv1.TransferStatus_TRANSFER_CANCELLED:
-		return model.TransferStatusCancelled
-	default:
-		return ""
-	}
-}
-
-func transferStatusToProto(status model.TransferStatus) gatewayv1.TransferStatus {
-	switch status {
-	case model.TransferStatusPending:
-		return gatewayv1.TransferStatus_TRANSFER_PENDING
-	case model.TransferStatusSigning:
-		return gatewayv1.TransferStatus_TRANSFER_SIGNING
-	case model.TransferStatusSubmitted:
-		return gatewayv1.TransferStatus_TRANSFER_SUBMITTED
-	case model.TransferStatusConfirmed:
-		return gatewayv1.TransferStatus_TRANSFER_CONFIRMED
-	case model.TransferStatusFailed:
-		return gatewayv1.TransferStatus_TRANSFER_FAILED
-	case model.TransferStatusCancelled:
-		return gatewayv1.TransferStatus_TRANSFER_CANCELLED
-	default:
-		return gatewayv1.TransferStatus_TRANSFER_STATUS_UNSPECIFIED
-	}
-}

api/chain/gateway/internal/service/gateway/transfer_handlers.go

@@ -1,309 +0,0 @@
-package gateway
-
-import (
-	"context"
-	"errors"
-	"strings"
-
-	"github.com/shopspring/decimal"
-	"github.com/tech/sendico/chain/gateway/storage/model"
-	"github.com/tech/sendico/pkg/api/routers/gsresponse"
-	"github.com/tech/sendico/pkg/merrors"
-	"github.com/tech/sendico/pkg/mservice"
-	gatewayv1 "github.com/tech/sendico/pkg/proto/chain/gateway/v1"
-	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
-	paginationv1 "github.com/tech/sendico/pkg/proto/common/pagination/v1"
-	"go.uber.org/zap"
-	"google.golang.org/protobuf/types/known/timestamppb"
-)
-
-func (s *Service) submitTransferHandler(ctx context.Context, req *gatewayv1.SubmitTransferRequest) gsresponse.Responder[gatewayv1.SubmitTransferResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if req == nil {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
-	}
-
-	idempotencyKey := strings.TrimSpace(req.GetIdempotencyKey())
-	if idempotencyKey == "" {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("idempotency_key is required"))
-	}
-	organizationRef := strings.TrimSpace(req.GetOrganizationRef())
-	if organizationRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("organization_ref is required"))
-	}
-	sourceWalletRef := strings.TrimSpace(req.GetSourceWalletRef())
-	if sourceWalletRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("source_wallet_ref is required"))
-	}
-	amount := req.GetAmount()
-	if amount == nil {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("amount is required"))
-	}
-	amountCurrency := strings.ToUpper(strings.TrimSpace(amount.GetCurrency()))
-	if amountCurrency == "" {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("amount.currency is required"))
-	}
-	amountValue := strings.TrimSpace(amount.GetAmount())
-	if amountValue == "" {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("amount.amount is required"))
-	}
-
-	sourceWallet, err := s.storage.Wallets().Get(ctx, sourceWalletRef)
-	if err != nil {
-		if errors.Is(err, merrors.ErrNoData) {
-			return gsresponse.NotFound[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-		}
-		return gsresponse.Auto[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if !strings.EqualFold(sourceWallet.OrganizationRef, organizationRef) {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("organization_ref mismatch with wallet"))
-	}
-	networkKey := strings.ToLower(strings.TrimSpace(sourceWallet.Network))
-	networkCfg, ok := s.networks[networkKey]
-	if !ok {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain for wallet"))
-	}
-
-	destination, err := s.resolveDestination(ctx, req.GetDestination(), sourceWallet)
-	if err != nil {
-		if errors.Is(err, merrors.ErrNoData) {
-			return gsresponse.NotFound[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-		}
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-
-	fees, feeSum, err := convertFees(req.GetFees(), amountCurrency)
-	if err != nil {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-	amountDec, err := decimal.NewFromString(amountValue)
-	if err != nil {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("invalid amount"))
-	}
-	netDec := amountDec.Sub(feeSum)
-	if netDec.IsNegative() {
-		return gsresponse.InvalidArgument[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("fees exceed amount"))
-	}
-
-	netAmount := cloneMoney(amount)
-	netAmount.Amount = netDec.String()
-
-	transfer := &model.Transfer{
-		IdempotencyKey:  idempotencyKey,
-		TransferRef:     generateTransferRef(),
-		OrganizationRef: organizationRef,
-		SourceWalletRef: sourceWalletRef,
-		Destination:     destination,
-		Network:         sourceWallet.Network,
-		TokenSymbol:     sourceWallet.TokenSymbol,
-		ContractAddress: sourceWallet.ContractAddress,
-		RequestedAmount: cloneMoney(amount),
-		NetAmount:       netAmount,
-		Fees:            fees,
-		Status:          model.TransferStatusPending,
-		ClientReference: strings.TrimSpace(req.GetClientReference()),
-		LastStatusAt:    s.clock.Now().UTC(),
-	}
-
-	saved, err := s.storage.Transfers().Create(ctx, transfer)
-	if err != nil {
-		if errors.Is(err, merrors.ErrDataConflict) {
-			s.logger.Debug("transfer already exists", zap.String("transfer_ref", transfer.TransferRef), zap.String("idempotency_key", idempotencyKey))
-			return gsresponse.Success(&gatewayv1.SubmitTransferResponse{Transfer: s.toProtoTransfer(saved)})
-		}
-		return gsresponse.Auto[gatewayv1.SubmitTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-
-	if s.executor != nil {
-		s.launchTransferExecution(saved.TransferRef, sourceWalletRef, networkCfg)
-	}
-
-	return gsresponse.Success(&gatewayv1.SubmitTransferResponse{Transfer: s.toProtoTransfer(saved)})
-}
-
-func (s *Service) getTransferHandler(ctx context.Context, req *gatewayv1.GetTransferRequest) gsresponse.Responder[gatewayv1.GetTransferResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.GetTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if req == nil {
-		return gsresponse.InvalidArgument[gatewayv1.GetTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
-	}
-	transferRef := strings.TrimSpace(req.GetTransferRef())
-	if transferRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.GetTransferResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("transfer_ref is required"))
-	}
-	transfer, err := s.storage.Transfers().Get(ctx, transferRef)
-	if err != nil {
-		if errors.Is(err, merrors.ErrNoData) {
-			return gsresponse.NotFound[gatewayv1.GetTransferResponse](s.logger, mservice.ChainGateway, err)
-		}
-		return gsresponse.Auto[gatewayv1.GetTransferResponse](s.logger, mservice.ChainGateway, err)
-	}
-	return gsresponse.Success(&gatewayv1.GetTransferResponse{Transfer: s.toProtoTransfer(transfer)})
-}
-
-func (s *Service) listTransfersHandler(ctx context.Context, req *gatewayv1.ListTransfersRequest) gsresponse.Responder[gatewayv1.ListTransfersResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.ListTransfersResponse](s.logger, mservice.ChainGateway, err)
-	}
-	filter := model.TransferFilter{}
-	if req != nil {
-		filter.SourceWalletRef = strings.TrimSpace(req.GetSourceWalletRef())
-		filter.DestinationWalletRef = strings.TrimSpace(req.GetDestinationWalletRef())
-		if status := transferStatusToModel(req.GetStatus()); status != "" {
-			filter.Status = status
-		}
-		if page := req.GetPage(); page != nil {
-			filter.Cursor = strings.TrimSpace(page.GetCursor())
-			filter.Limit = page.GetLimit()
-		}
-	}
-
-	result, err := s.storage.Transfers().List(ctx, filter)
-	if err != nil {
-		return gsresponse.Auto[gatewayv1.ListTransfersResponse](s.logger, mservice.ChainGateway, err)
-	}
-
-	protoTransfers := make([]*gatewayv1.Transfer, 0, len(result.Items))
-	for _, transfer := range result.Items {
-		protoTransfers = append(protoTransfers, s.toProtoTransfer(transfer))
-	}
-
-	resp := &gatewayv1.ListTransfersResponse{
-		Transfers: protoTransfers,
-		Page:      &paginationv1.CursorPageResponse{NextCursor: result.NextCursor},
-	}
-	return gsresponse.Success(resp)
-}
-
-func (s *Service) estimateTransferFeeHandler(ctx context.Context, req *gatewayv1.EstimateTransferFeeRequest) gsresponse.Responder[gatewayv1.EstimateTransferFeeResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.EstimateTransferFeeResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if req == nil || req.GetAmount() == nil {
-		return gsresponse.InvalidArgument[gatewayv1.EstimateTransferFeeResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("amount is required"))
-	}
-	currency := req.GetAmount().GetCurrency()
-	fee := &moneyv1.Money{
-		Currency: currency,
-		Amount:   "0",
-	}
-	resp := &gatewayv1.EstimateTransferFeeResponse{
-		NetworkFee:        fee,
-		EstimationContext: "not_implemented",
-	}
-	return gsresponse.Success(resp)
-}
-
-func (s *Service) toProtoTransfer(transfer *model.Transfer) *gatewayv1.Transfer {
-	if transfer == nil {
-		return nil
-	}
-	destination := &gatewayv1.TransferDestination{}
-	if transfer.Destination.ManagedWalletRef != "" {
-		destination.Destination = &gatewayv1.TransferDestination_ManagedWalletRef{ManagedWalletRef: transfer.Destination.ManagedWalletRef}
-	} else if transfer.Destination.ExternalAddress != "" {
-		destination.Destination = &gatewayv1.TransferDestination_ExternalAddress{ExternalAddress: transfer.Destination.ExternalAddress}
-	}
-	destination.Memo = transfer.Destination.Memo
-
-	protoFees := make([]*gatewayv1.ServiceFeeBreakdown, 0, len(transfer.Fees))
-	for _, fee := range transfer.Fees {
-		protoFees = append(protoFees, &gatewayv1.ServiceFeeBreakdown{
-			FeeCode:     fee.FeeCode,
-			Amount:      cloneMoney(fee.Amount),
-			Description: fee.Description,
-		})
-	}
-
-	asset := &gatewayv1.Asset{
-		Chain:           chainEnumFromName(transfer.Network),
-		TokenSymbol:     transfer.TokenSymbol,
-		ContractAddress: transfer.ContractAddress,
-	}
-
-	return &gatewayv1.Transfer{
-		TransferRef:     transfer.TransferRef,
-		IdempotencyKey:  transfer.IdempotencyKey,
-		OrganizationRef: transfer.OrganizationRef,
-		SourceWalletRef: transfer.SourceWalletRef,
-		Destination:     destination,
-		Asset:           asset,
-		RequestedAmount: cloneMoney(transfer.RequestedAmount),
-		NetAmount:       cloneMoney(transfer.NetAmount),
-		Fees:            protoFees,
-		Status:          transferStatusToProto(transfer.Status),
-		TransactionHash: transfer.TxHash,
-		FailureReason:   transfer.FailureReason,
-		CreatedAt:       timestamppb.New(transfer.CreatedAt.UTC()),
-		UpdatedAt:       timestamppb.New(transfer.UpdatedAt.UTC()),
-	}
-}
-
-func (s *Service) resolveDestination(ctx context.Context, dest *gatewayv1.TransferDestination, source *model.ManagedWallet) (model.TransferDestination, error) {
-	if dest == nil {
-		return model.TransferDestination{}, merrors.InvalidArgument("destination is required")
-	}
-	managedRef := strings.TrimSpace(dest.GetManagedWalletRef())
-	external := strings.TrimSpace(dest.GetExternalAddress())
-	if managedRef != "" && external != "" {
-		return model.TransferDestination{}, merrors.InvalidArgument("destination must be managed_wallet_ref or external_address")
-	}
-	if managedRef != "" {
-		wallet, err := s.storage.Wallets().Get(ctx, managedRef)
-		if err != nil {
-			return model.TransferDestination{}, err
-		}
-		if !strings.EqualFold(wallet.Network, source.Network) {
-			return model.TransferDestination{}, merrors.InvalidArgument("destination wallet network mismatch")
-		}
-		if strings.TrimSpace(wallet.DepositAddress) == "" {
-			return model.TransferDestination{}, merrors.InvalidArgument("destination wallet missing deposit address")
-		}
-		return model.TransferDestination{
-			ManagedWalletRef: wallet.WalletRef,
-			Memo:             strings.TrimSpace(dest.GetMemo()),
-		}, nil
-	}
-	if external == "" {
-		return model.TransferDestination{}, merrors.InvalidArgument("destination is required")
-	}
-	return model.TransferDestination{
-		ExternalAddress: strings.ToLower(external),
-		Memo:            strings.TrimSpace(dest.GetMemo()),
-	}, nil
-}
-
-func convertFees(fees []*gatewayv1.ServiceFeeBreakdown, currency string) ([]model.ServiceFee, decimal.Decimal, error) {
-	result := make([]model.ServiceFee, 0, len(fees))
-	sum := decimal.NewFromInt(0)
-	for _, fee := range fees {
-		if fee == nil || fee.GetAmount() == nil {
-			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee amount is required")
-		}
-		amtCurrency := strings.ToUpper(strings.TrimSpace(fee.GetAmount().GetCurrency()))
-		if amtCurrency != strings.ToUpper(currency) {
-			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee currency mismatch")
-		}
-		amtValue := strings.TrimSpace(fee.GetAmount().GetAmount())
-		if amtValue == "" {
-			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee amount is required")
-		}
-		dec, err := decimal.NewFromString(amtValue)
-		if err != nil {
-			return nil, decimal.Decimal{}, merrors.InvalidArgument("invalid fee amount")
-		}
-		if dec.IsNegative() {
-			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee amount must be non-negative")
-		}
-		sum = sum.Add(dec)
-		result = append(result, model.ServiceFee{
-			FeeCode:     strings.TrimSpace(fee.GetFeeCode()),
-			Amount:      cloneMoney(fee.GetAmount()),
-			Description: strings.TrimSpace(fee.GetDescription()),
-		})
-	}
-	return result, sum, nil
-}

api/chain/gateway/internal/service/gateway/wallet_handlers.go

@@ -1,213 +0,0 @@
-package gateway
-
-import (
-	"context"
-	"errors"
-	"strings"
-
-	"github.com/tech/sendico/chain/gateway/storage/model"
-	"github.com/tech/sendico/pkg/api/routers/gsresponse"
-	"github.com/tech/sendico/pkg/merrors"
-	"github.com/tech/sendico/pkg/mservice"
-	gatewayv1 "github.com/tech/sendico/pkg/proto/chain/gateway/v1"
-	paginationv1 "github.com/tech/sendico/pkg/proto/common/pagination/v1"
-	"go.uber.org/zap"
-	"google.golang.org/protobuf/types/known/timestamppb"
-)
-
-func (s *Service) createManagedWalletHandler(ctx context.Context, req *gatewayv1.CreateManagedWalletRequest) gsresponse.Responder[gatewayv1.CreateManagedWalletResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if req == nil {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
-	}
-
-	idempotencyKey := strings.TrimSpace(req.GetIdempotencyKey())
-	if idempotencyKey == "" {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("idempotency_key is required"))
-	}
-	organizationRef := strings.TrimSpace(req.GetOrganizationRef())
-	if organizationRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("organization_ref is required"))
-	}
-	ownerRef := strings.TrimSpace(req.GetOwnerRef())
-	if ownerRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("owner_ref is required"))
-	}
-
-	asset := req.GetAsset()
-	if asset == nil {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("asset is required"))
-	}
-
-	chainKey, _ := chainKeyFromEnum(asset.GetChain())
-	if chainKey == "" {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain"))
-	}
-	networkCfg, ok := s.networks[chainKey]
-	if !ok {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain"))
-	}
-
-	tokenSymbol := strings.ToUpper(strings.TrimSpace(asset.GetTokenSymbol()))
-	if tokenSymbol == "" {
-		return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("asset.token_symbol is required"))
-	}
-	contractAddress := strings.ToLower(strings.TrimSpace(asset.GetContractAddress()))
-	if contractAddress == "" {
-		contractAddress = resolveContractAddress(networkCfg.TokenConfigs, tokenSymbol)
-		if contractAddress == "" {
-			return gsresponse.InvalidArgument[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported token for chain"))
-		}
-	}
-
-	walletRef := generateWalletRef()
-	if s.keyManager == nil {
-		return gsresponse.Internal[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.Internal("key manager not configured"))
-	}
-
-	keyInfo, err := s.keyManager.CreateManagedWalletKey(ctx, walletRef, chainKey)
-	if err != nil {
-		return gsresponse.Auto[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if keyInfo == nil || strings.TrimSpace(keyInfo.Address) == "" {
-		return gsresponse.Internal[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.Internal("key manager returned empty address"))
-	}
-
-	wallet := &model.ManagedWallet{
-		IdempotencyKey:  idempotencyKey,
-		WalletRef:       walletRef,
-		OrganizationRef: organizationRef,
-		OwnerRef:        ownerRef,
-		Network:         chainKey,
-		TokenSymbol:     tokenSymbol,
-		ContractAddress: contractAddress,
-		DepositAddress:  strings.ToLower(keyInfo.Address),
-		KeyReference:    keyInfo.KeyID,
-		Status:          model.ManagedWalletStatusActive,
-		Metadata:        cloneMetadata(req.GetMetadata()),
-	}
-
-	created, err := s.storage.Wallets().Create(ctx, wallet)
-	if err != nil {
-		if errors.Is(err, merrors.ErrDataConflict) {
-			s.logger.Debug("wallet already exists", zap.String("wallet_ref", walletRef), zap.String("idempotency_key", idempotencyKey))
-			return gsresponse.Success(&gatewayv1.CreateManagedWalletResponse{Wallet: s.toProtoManagedWallet(created)})
-		}
-		return gsresponse.Auto[gatewayv1.CreateManagedWalletResponse](s.logger, mservice.ChainGateway, err)
-	}
-
-	return gsresponse.Success(&gatewayv1.CreateManagedWalletResponse{Wallet: s.toProtoManagedWallet(created)})
-}
-
-func (s *Service) getManagedWalletHandler(ctx context.Context, req *gatewayv1.GetManagedWalletRequest) gsresponse.Responder[gatewayv1.GetManagedWalletResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.GetManagedWalletResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if req == nil {
-		return gsresponse.InvalidArgument[gatewayv1.GetManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
-	}
-	walletRef := strings.TrimSpace(req.GetWalletRef())
-	if walletRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.GetManagedWalletResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("wallet_ref is required"))
-	}
-	wallet, err := s.storage.Wallets().Get(ctx, walletRef)
-	if err != nil {
-		if errors.Is(err, merrors.ErrNoData) {
-			return gsresponse.NotFound[gatewayv1.GetManagedWalletResponse](s.logger, mservice.ChainGateway, err)
-		}
-		return gsresponse.Auto[gatewayv1.GetManagedWalletResponse](s.logger, mservice.ChainGateway, err)
-	}
-	return gsresponse.Success(&gatewayv1.GetManagedWalletResponse{Wallet: s.toProtoManagedWallet(wallet)})
-}
-
-func (s *Service) listManagedWalletsHandler(ctx context.Context, req *gatewayv1.ListManagedWalletsRequest) gsresponse.Responder[gatewayv1.ListManagedWalletsResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.ListManagedWalletsResponse](s.logger, mservice.ChainGateway, err)
-	}
-	filter := model.ManagedWalletFilter{}
-	if req != nil {
-		filter.OrganizationRef = strings.TrimSpace(req.GetOrganizationRef())
-		filter.OwnerRef = strings.TrimSpace(req.GetOwnerRef())
-		if asset := req.GetAsset(); asset != nil {
-			filter.Network, _ = chainKeyFromEnum(asset.GetChain())
-			filter.TokenSymbol = strings.TrimSpace(asset.GetTokenSymbol())
-		}
-		if page := req.GetPage(); page != nil {
-			filter.Cursor = strings.TrimSpace(page.GetCursor())
-			filter.Limit = page.GetLimit()
-		}
-	}
-
-	result, err := s.storage.Wallets().List(ctx, filter)
-	if err != nil {
-		return gsresponse.Auto[gatewayv1.ListManagedWalletsResponse](s.logger, mservice.ChainGateway, err)
-	}
-
-	protoWallets := make([]*gatewayv1.ManagedWallet, 0, len(result.Items))
-	for _, wallet := range result.Items {
-		protoWallets = append(protoWallets, s.toProtoManagedWallet(wallet))
-	}
-
-	resp := &gatewayv1.ListManagedWalletsResponse{
-		Wallets: protoWallets,
-		Page:    &paginationv1.CursorPageResponse{NextCursor: result.NextCursor},
-	}
-	return gsresponse.Success(resp)
-}
-
-func (s *Service) getWalletBalanceHandler(ctx context.Context, req *gatewayv1.GetWalletBalanceRequest) gsresponse.Responder[gatewayv1.GetWalletBalanceResponse] {
-	if err := s.ensureRepository(ctx); err != nil {
-		return gsresponse.Unavailable[gatewayv1.GetWalletBalanceResponse](s.logger, mservice.ChainGateway, err)
-	}
-	if req == nil {
-		return gsresponse.InvalidArgument[gatewayv1.GetWalletBalanceResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
-	}
-	walletRef := strings.TrimSpace(req.GetWalletRef())
-	if walletRef == "" {
-		return gsresponse.InvalidArgument[gatewayv1.GetWalletBalanceResponse](s.logger, mservice.ChainGateway, merrors.InvalidArgument("wallet_ref is required"))
-	}
-	balance, err := s.storage.Wallets().GetBalance(ctx, walletRef)
-	if err != nil {
-		if errors.Is(err, merrors.ErrNoData) {
-			return gsresponse.NotFound[gatewayv1.GetWalletBalanceResponse](s.logger, mservice.ChainGateway, err)
-		}
-		return gsresponse.Auto[gatewayv1.GetWalletBalanceResponse](s.logger, mservice.ChainGateway, err)
-	}
-	return gsresponse.Success(&gatewayv1.GetWalletBalanceResponse{Balance: toProtoWalletBalance(balance)})
-}
-
-func (s *Service) toProtoManagedWallet(wallet *model.ManagedWallet) *gatewayv1.ManagedWallet {
-	if wallet == nil {
-		return nil
-	}
-	asset := &gatewayv1.Asset{
-		Chain:           chainEnumFromName(wallet.Network),
-		TokenSymbol:     wallet.TokenSymbol,
-		ContractAddress: wallet.ContractAddress,
-	}
-	return &gatewayv1.ManagedWallet{
-		WalletRef:       wallet.WalletRef,
-		OrganizationRef: wallet.OrganizationRef,
-		OwnerRef:        wallet.OwnerRef,
-		Asset:           asset,
-		DepositAddress:  wallet.DepositAddress,
-		Status:          managedWalletStatusToProto(wallet.Status),
-		Metadata:        cloneMetadata(wallet.Metadata),
-		CreatedAt:       timestamppb.New(wallet.CreatedAt.UTC()),
-		UpdatedAt:       timestamppb.New(wallet.UpdatedAt.UTC()),
-	}
-}
-
-func toProtoWalletBalance(balance *model.WalletBalance) *gatewayv1.WalletBalance {
-	if balance == nil {
-		return nil
-	}
-	return &gatewayv1.WalletBalance{
-		Available:       cloneMoney(balance.Available),
-		PendingInbound:  cloneMoney(balance.PendingInbound),
-		PendingOutbound: cloneMoney(balance.PendingOutbound),
-		CalculatedAt:    timestamppb.New(balance.CalculatedAt.UTC()),
-	}
-}

api/fx/ingestor/config.yml

@@ -8,12 +8,21 @@ market:
     - driver: COINGECKO
       settings:
         base_url: "https://api.coingecko.com/api/v3"
+    - driver: CBR
+      settings:
+        base_url: "https://www.cbr.ru"
+        user_agent: "Mozilla/5.0 (compatible; SendicoFX/1.0; +https://app.sendico.io)"
+        accept_header: "application/xml,text/xml;q=0.9,*/*;q=0.8"
   pairs:
     BINANCE:
       - base: "USDT"
         quote: "EUR"
         symbol: "EURUSDT"
         invert: true
+      - base: "USD"
+        quote: "USDT"
+        symbol: "USDTUSD"
+        invert: true
       - base: "UAH"
         quote: "USDT"
         symbol: "USDTUAH"
@@ -26,6 +35,15 @@ market:
       - base: "USDT"
         quote: "RUB"
         symbol: "tether:rub"
+    CBR:
+      - base: "USD"
+        quote: "RUB"
+        symbol: "USD"
+        provider: "cbr"
+      - base: "EUR"
+        quote: "RUB"
+        symbol: "EUR"
+        provider: "cbr"
 
 metrics:
   enabled: true

api/fx/ingestor/go.mod

@@ -12,44 +12,44 @@ require (
 	github.com/prometheus/client_golang v1.23.2
 	github.com/tech/sendico/fx/storage v0.0.0
 	github.com/tech/sendico/pkg v0.1.0
-	go.uber.org/zap v1.27.0
+	go.uber.org/zap v1.27.1
+	golang.org/x/net v0.48.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect
-	github.com/casbin/casbin/v2 v2.132.0 // indirect
+	github.com/casbin/casbin/v2 v2.135.0 // indirect
 	github.com/casbin/govaluate v1.10.0 // indirect
 	github.com/casbin/mongodb-adapter/v3 v3.7.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
+	github.com/klauspost/compress v1.18.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/nats-io/nats.go v1.47.0 // indirect
+	github.com/nats-io/nats.go v1.48.0 // indirect
-	github.com/nats-io/nkeys v0.4.11 // indirect
+	github.com/nats-io/nkeys v0.4.12 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.67.2 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	go.mongodb.org/mongo-driver v1.17.6 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
-	golang.org/x/crypto v0.44.0 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba // indirect
+	google.golang.org/grpc v1.77.0 // indirect
-	google.golang.org/grpc v1.76.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
-	google.golang.org/protobuf v1.36.10 // indirect
 )

api/fx/ingestor/go.sum

@@ -9,8 +9,8 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE=
 github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
-github.com/casbin/casbin/v2 v2.132.0 h1:73hGmOszGSL3hTVquwkAi98XLl3gPJ+BxB6D7G9Fxtk=
+github.com/casbin/casbin/v2 v2.135.0 h1:6BLkMQiGotYyS5yYeWgW19vxqugUlvHFkFiLnLR/bxk=
-github.com/casbin/casbin/v2 v2.132.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
+github.com/casbin/casbin/v2 v2.135.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
 github.com/casbin/govaluate v1.3.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
 github.com/casbin/govaluate v1.10.0 h1:ffGw51/hYH3w3rZcxO/KcaUIDOLP84w7nsidMVgaDG0=
 github.com/casbin/govaluate v1.10.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
@@ -59,8 +59,8 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
+github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
-github.com/klauspost/compress v1.18.1/go.mod h1:ZQFFVG+MdnR0P+l6wpXgIL4NTtwiKIdBnrBd8Nrxr+0=
+github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -95,10 +95,10 @@ github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
 github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/nats-io/nats.go v1.47.0 h1:YQdADw6J/UfGUd2Oy6tn4Hq6YHxCaJrVKayxxFqYrgM=
+github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.47.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
+github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
-github.com/nats-io/nkeys v0.4.11 h1:q44qGV008kYd9W1b1nEBkNzvnWxtRSQ7A8BoqRrcfa0=
+github.com/nats-io/nkeys v0.4.12 h1:nssm7JKOG9/x4J8II47VWCL1Ds29avyiQDRn0ckMvDc=
-github.com/nats-io/nkeys v0.4.11/go.mod h1:szDimtgmfOi9n25JpfIdGw12tZFYXqhGxjhVxsatHVE=
+github.com/nats-io/nkeys v0.4.12/go.mod h1:MT59A1HYcjIcyQDJStTfaOY6vhy9XTUjOFo+SVsvpBg=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
@@ -115,8 +115,8 @@ github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h
 github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
 github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
-github.com/prometheus/common v0.67.2 h1:PcBAckGFTIHt2+L3I33uNRTlKTplNzFctXcWhPyAEN8=
+github.com/prometheus/common v0.67.4 h1:yR3NqWO1/UyO1w2PhUvXlGQs/PtFmoveVO0KZ4+Lvsc=
-github.com/prometheus/common v0.67.2/go.mod h1:63W3KZb1JOKgcjlIr64WW/LvFGAqKPj0atm+knVGEko=
+github.com/prometheus/common v0.67.4/go.mod h1:gP0fq6YjjNCLssJCQp0yk4M8W6ikLURwkdd/YKtTbyI=
 github.com/prometheus/procfs v0.19.2 h1:zUMhqEW66Ex7OXIiDkll3tl9a1ZdilUOd/F6ZXw4Vws=
 github.com/prometheus/procfs v0.19.2/go.mod h1:M0aotyiemPhBCM0z5w87kL22CxfcH05ZpYlu+b4J7mw=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
@@ -141,8 +141,8 @@ github.com/tklauser/numcpus v0.10.0 h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfj
 github.com/tklauser/numcpus v0.10.0/go.mod h1:BiTKazU708GQTYF4mB+cmlpT2Is1gLk7XVuEeem8LsQ=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
+github.com/xdg-go/scram v1.2.0 h1:bYKF2AEwG5rqd1BumT4gAnvwU/M9nBp2pTSxeZw7Wvs=
-github.com/xdg-go/scram v1.1.2/go.mod h1:RT/sEzTbU5y00aCK8UOx6R7YryM0iF1N2MOmC3kKLN4=
+github.com/xdg-go/scram v1.2.0/go.mod h1:3dlrS0iBaWKYVt2ZfA4cj48umJZ+cAEbR6/SjLA88I8=
 github.com/xdg-go/stringprep v1.0.4 h1:XLI/Ng3O1Atzq0oBs3TWm+5ZVgkq2aqdlvP9JtoZ6c8=
 github.com/xdg-go/stringprep v1.0.4/go.mod h1:mPGuuIYwz7CmR2bT9j4GbQqutWS1zV24gijq1dTyGkM=
 github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 h1:ilQV1hzziu+LLM3zUTJ0trRztfwgjqKnBWNtSRkbmwM=
@@ -152,69 +152,59 @@ github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.mongodb.org/mongo-driver v1.17.6 h1:87JUG1wZfWsr6rIz3ZmpH90rL5tea7O3IHuSwHUpsss=
 go.mongodb.org/mongo-driver v1.17.6/go.mod h1:Hy04i7O2kC4RS06ZrhPRqj/u4DTYkFDAAccj+rVKqgQ=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 h1:UP6IpuHFkUgOQL9FFQFrZ+5LiwhhYRbi7VZSIx6Nj5s=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0/go.mod h1:qxuZLtbq5QDtdeSHsS7bcf6EH6uO6jUAgk764zd3rhM=
-go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
+go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
-go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
-go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
+go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
-go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
+go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
-go.opentelemetry.io/otel/sdk v1.37.0 h1:ItB0QUqnjesGRvNcmAcU0LyvkVyGJ2xftD29bWdDvKI=
+go.opentelemetry.io/otel/sdk v1.38.0 h1:l48sr5YbNf2hpCUj/FoGhW9yDkl+Ma+LrVl8qaM5b+E=
-go.opentelemetry.io/otel/sdk v1.37.0/go.mod h1:VredYzxUvuo2q3WRcDnKDjbdvmO0sCzOvVAiY+yUkAg=
+go.opentelemetry.io/otel/sdk v1.38.0/go.mod h1:ghmNdGlVemJI3+ZB5iDEuk4bWA3GkTpW+DOoZMYBVVg=
-go.opentelemetry.io/otel/sdk/metric v1.37.0 h1:90lI228XrB9jCMuSdA0673aubgRobVZFhbjxHHspCPc=
+go.opentelemetry.io/otel/sdk/metric v1.38.0 h1:aSH66iL0aZqo//xXzQLYozmWrXxyFkBJ6qT5wthqPoM=
-go.opentelemetry.io/otel/sdk/metric v1.37.0/go.mod h1:cNen4ZWfiD37l5NhS+Keb5RXVWZWpRE+9WyVCpbo5ps=
+go.opentelemetry.io/otel/sdk/metric v1.38.0/go.mod h1:dg9PBnW9XdQ1Hd6ZnRz689CbtrUp0wMMs9iPcgT9EZA=
-go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
+go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
-go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
+go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
-go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc=
-go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
 go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
-golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
-golang.org/x/crypto v0.44.0 h1:A97SsFvM3AIwEEmTBiaxPPTYpDC47w720rdiiUvgoAU=
-golang.org/x/crypto v0.44.0/go.mod h1:013i+Nw79BMiQiMsOPcVCB5ZIJbYkerPrGnOa00tvmc=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
-golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
-golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
-golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
-golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -222,14 +212,12 @@ golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251103181224-f26f9409b101 h1:tRPGkdGHuewF4UisLzzHHr1spKw92qLM98nIzxbC0wY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 h1:2I6GHUeJ/4shcDpoUlLs/2WPnhg7yJwvXtqcMJt9liA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251103181224-f26f9409b101/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba h1:UKgtfRM7Yh93Sya0Fo8ZzhDP4qBckrrxEr2oF5UIVb8=
+google.golang.org/grpc v1.77.0 h1:wVVY6/8cGA6vvffn+wWK5ToddbgdU3d8MNENr4evgXM=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/grpc v1.77.0/go.mod h1:z0BY1iVj0q8E1uSQCjL9cppRj+gnZjzDnzV0dHhrNig=
-google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
-google.golang.org/grpc v1.76.0/go.mod h1:Ju12QI8M6iQJtbcsV+awF5a4hfJMLi4X0JLo94ULZ6c=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

api/fx/ingestor/internal/app/app.go

@@ -7,12 +7,12 @@ import (
 
 	"github.com/tech/sendico/fx/ingestor/internal/appversion"
 	"github.com/tech/sendico/fx/ingestor/internal/config"
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	"github.com/tech/sendico/fx/ingestor/internal/ingestor"
 	"github.com/tech/sendico/fx/ingestor/internal/metrics"
 	mongostorage "github.com/tech/sendico/fx/storage/mongo"
 	"github.com/tech/sendico/pkg/api/routers/health"
 	"github.com/tech/sendico/pkg/db"
+	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 	"go.uber.org/zap"
 )
@@ -26,7 +26,7 @@ type App struct {
 
 func New(logger mlogger.Logger, cfgPath string) (*App, error) {
 	if logger == nil {
-		return nil, fmerrors.New("app: logger is nil")
+		return nil, merrors.InvalidArgument("app: logger is nil")
 	}
 	path := strings.TrimSpace(cfgPath)
 	if path == "" {

api/fx/ingestor/internal/config/config.go

@@ -5,9 +5,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	mmodel "github.com/tech/sendico/fx/ingestor/internal/model"
 	"github.com/tech/sendico/pkg/db"
+	"github.com/tech/sendico/pkg/merrors"
 	"gopkg.in/yaml.v3"
 )
 
@@ -25,33 +25,33 @@ type Config struct {
 
 func Load(path string) (*Config, error) {
 	if path == "" {
-		return nil, fmerrors.New("config: path is empty")
+		return nil, merrors.InvalidArgument("config: path is empty")
 	}
 
 	data, err := os.ReadFile(path)
 	if err != nil {
-		return nil, fmerrors.Wrap("config: failed to read file", err)
+		return nil, merrors.InternalWrap(err, "config: failed to read file")
 	}
 
 	cfg := &Config{}
 	if err := yaml.Unmarshal(data, cfg); err != nil {
-		return nil, fmerrors.Wrap("config: failed to parse yaml", err)
+		return nil, merrors.InternalWrap(err, "config: failed to parse yaml")
 	}
 
 	if len(cfg.Market.Sources) == 0 {
-		return nil, fmerrors.New("config: no market sources configured")
+		return nil, merrors.InvalidArgument("config: no market sources configured")
 	}
 	sourceSet := make(map[mmodel.Driver]struct{}, len(cfg.Market.Sources))
 	for idx := range cfg.Market.Sources {
 		src := &cfg.Market.Sources[idx]
 		if src.Driver.IsEmpty() {
-			return nil, fmerrors.New("config: market source driver is empty")
+			return nil, merrors.InvalidArgument("config: market source driver is empty")
 		}
 		sourceSet[src.Driver] = struct{}{}
 	}
 
 	if len(cfg.Market.Pairs) == 0 {
-		return nil, fmerrors.New("config: no pairs configured")
+		return nil, merrors.InvalidArgument("config: no pairs configured")
 	}
 
 	normalizedPairs := make(map[string][]PairConfig, len(cfg.Market.Pairs))
@@ -61,10 +61,10 @@ func Load(path string) (*Config, error) {
 	for rawSource, pairList := range cfg.Market.Pairs {
 		driver := mmodel.Driver(rawSource)
 		if driver.IsEmpty() {
-			return nil, fmerrors.New("config: pair source is empty")
+			return nil, merrors.InvalidArgument("config: pair source is empty")
 		}
 		if _, ok := sourceSet[driver]; !ok {
-			return nil, fmerrors.New("config: pair references unknown source: " + driver.String())
+			return nil, merrors.InvalidArgument("config: pair references unknown source: "+driver.String(), "pairs."+driver.String())
 		}
 
 		processed := make([]PairConfig, len(pairList))
@@ -74,7 +74,7 @@ func Load(path string) (*Config, error) {
 			pair.Quote = strings.ToUpper(strings.TrimSpace(pair.Quote))
 			pair.Symbol = strings.TrimSpace(pair.Symbol)
 			if pair.Base == "" || pair.Quote == "" || pair.Symbol == "" {
-				return nil, fmerrors.New("config: pair entries must define base, quote, and symbol")
+				return nil, merrors.InvalidArgument("config: pair entries must define base, quote, and symbol", "pairs."+driver.String())
 			}
 			if strings.TrimSpace(pair.Provider) == "" {
 				pair.Provider = strings.ToLower(driver.String())
@@ -93,7 +93,7 @@ func Load(path string) (*Config, error) {
 	cfg.pairsBySource = pairsBySource
 	cfg.pairs = flattened
 	if cfg.Database == nil {
-		return nil, fmerrors.New("config: database configuration is required")
+		return nil, merrors.InvalidArgument("config: database configuration is required")
 	}
 
 	if cfg.Metrics != nil && cfg.Metrics.Enabled {

api/fx/ingestor/internal/fmerrors/market.go

@@ -1,35 +0,0 @@
-package fmerrors
-
-type Error struct {
-	message string
-	cause   error
-}
-
-func (e *Error) Error() string {
-	if e == nil {
-		return ""
-	}
-	if e.cause == nil {
-		return e.message
-	}
-	return e.message + ": " + e.cause.Error()
-}
-
-func (e *Error) Unwrap() error {
-	if e == nil {
-		return nil
-	}
-	return e.cause
-}
-
-func New(message string) error {
-	return &Error{message: message}
-}
-
-func Wrap(message string, cause error) error {
-	return &Error{message: message, cause: cause}
-}
-
-func NewDecimal(value string) error {
-	return &Error{message: "invalid decimal \"" + value + "\""}
-}

api/fx/ingestor/internal/ingestor/service.go

@@ -6,11 +6,11 @@ import (
 	"time"
 
 	"github.com/tech/sendico/fx/ingestor/internal/config"
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	"github.com/tech/sendico/fx/ingestor/internal/market"
 	mmodel "github.com/tech/sendico/fx/ingestor/internal/model"
 	"github.com/tech/sendico/fx/storage"
 	"github.com/tech/sendico/fx/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 	"go.uber.org/zap"
 )
@@ -26,18 +26,18 @@ type Service struct {
 
 func New(logger mlogger.Logger, cfg *config.Config, repo storage.Repository) (*Service, error) {
 	if logger == nil {
-		return nil, fmerrors.New("ingestor: nil logger")
+		return nil, merrors.InvalidArgument("ingestor: nil logger")
 	}
 	if cfg == nil {
-		return nil, fmerrors.New("ingestor: nil config")
+		return nil, merrors.InvalidArgument("ingestor: nil config")
 	}
 	if repo == nil {
-		return nil, fmerrors.New("ingestor: nil repository")
+		return nil, merrors.InvalidArgument("ingestor: nil repository")
 	}
 
 	connectors, err := market.BuildConnectors(logger, cfg.Market.Sources)
 	if err != nil {
-		return nil, fmerrors.Wrap("build connectors", err)
+		return nil, merrors.InternalWrap(err, "build connectors")
 	}
 
 	return &Service{
@@ -85,6 +85,7 @@ func (s *Service) executePoll(ctx context.Context) error {
 
 func (s *Service) pollOnce(ctx context.Context) error {
 	var firstErr error
+	failures := 0
 	for _, pair := range s.pairs {
 		start := time.Now()
 		err := s.upsertPair(ctx, pair)
@@ -96,35 +97,45 @@ func (s *Service) pollOnce(ctx context.Context) error {
 			if firstErr == nil {
 				firstErr = err
 			}
+			failures++
 			s.logger.Warn("Failed to ingest pair",
 				zap.String("symbol", pair.Symbol),
 				zap.String("source", pair.Source.String()),
+				zap.String("provider", pair.Provider),
+				zap.String("base", pair.Base),
+				zap.String("quote", pair.Quote),
+				zap.Bool("invert", pair.Invert),
 				zap.Duration("elapsed", elapsed),
 				zap.Error(err),
 			)
 		}
 	}
+	if failures > 0 {
+		s.logger.Warn("Ingestion poll completed with failures", zap.Int("failures", failures), zap.Int("total", len(s.pairs)))
+	} else {
+		s.logger.Info("Ingestion poll completed", zap.Int("total", len(s.pairs)))
+	}
 	return firstErr
 }
 
 func (s *Service) upsertPair(ctx context.Context, pair config.Pair) error {
 	connector, ok := s.connectors[pair.Source]
 	if !ok {
-		return fmerrors.Wrap("connector not configured for source "+pair.Source.String(), nil)
+		return merrors.InvalidArgument("connector not configured for source "+pair.Source.String(), "source")
 	}
 
 	ticker, err := connector.FetchTicker(ctx, pair.Symbol)
 	if err != nil {
-		return fmerrors.Wrap("fetch ticker", err)
+		return merrors.InternalWrap(err, "fetch ticker: "+pair.Symbol)
 	}
 
 	bid, err := parseDecimal(ticker.BidPrice)
 	if err != nil {
-		return fmerrors.Wrap("parse bid price", err)
+		return merrors.InvalidArgumentWrap(err, "parse bid price", "bid")
 	}
 	ask, err := parseDecimal(ticker.AskPrice)
 	if err != nil {
-		return fmerrors.Wrap("parse ask price", err)
+		return merrors.InvalidArgumentWrap(err, "parse ask price", "ask")
 	}
 
 	if pair.Invert {
@@ -166,15 +177,20 @@ func (s *Service) upsertPair(ctx context.Context, pair config.Pair) error {
 	}
 
 	if err := s.rates.UpsertSnapshot(ctx, snapshot); err != nil {
-		return fmerrors.Wrap("upsert snapshot", err)
+		return merrors.InternalWrap(err, "upsert snapshot")
 	}
 
 	s.logger.Debug("Snapshot ingested",
 		zap.String("pair", pair.Base+"/"+pair.Quote),
 		zap.String("provider", pair.Provider),
+		zap.String("source", pair.Source.String()),
+		zap.String("provider_ref", snapshot.ProviderRef),
 		zap.String("bid", snapshot.Bid),
 		zap.String("ask", snapshot.Ask),
 		zap.String("mid", snapshot.Mid),
+		zap.String("spread_bps", snapshot.SpreadBps),
+		zap.Int64("asof_unix_ms", snapshot.AsOfUnixMs),
+		zap.String("rate_ref", snapshot.RateRef),
 	)
 
 	return nil
@@ -183,7 +199,7 @@ func (s *Service) upsertPair(ctx context.Context, pair config.Pair) error {
 func parseDecimal(value string) (*big.Rat, error) {
 	r := new(big.Rat)
 	if _, ok := r.SetString(value); !ok {
-		return nil, fmerrors.NewDecimal(value)
+		return nil, merrors.InvalidArgument("invalid decimal \""+value+"\"", "value")
 	}
 	return r, nil
 }

api/fx/ingestor/internal/ingestor/service_test.go

@@ -7,10 +7,10 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/tech/sendico/fx/ingestor/internal/config"
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	mmarket "github.com/tech/sendico/fx/ingestor/internal/model"
 	"github.com/tech/sendico/fx/storage"
 	"github.com/tech/sendico/fx/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
 	"go.uber.org/zap"
 )
 
@@ -131,7 +131,7 @@ func TestServiceUpsertPairInvertsPrices(t *testing.T) {
 }
 
 func TestServicePollOnceReturnsFirstError(t *testing.T) {
-	errFetch := fmerrors.New("fetch failed")
+	errFetch := merrors.Internal("fetch failed")
 	connectorSuccess := &connectorStub{
 		id: mmarket.DriverBinance,
 		ticker: &mmarket.Ticker{

api/fx/ingestor/internal/market/binance/connector.go

@@ -10,9 +10,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	"github.com/tech/sendico/fx/ingestor/internal/market/common"
 	mmodel "github.com/tech/sendico/fx/ingestor/internal/model"
+	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 	"github.com/tech/sendico/pkg/model"
 	"go.uber.org/zap"
@@ -60,7 +60,7 @@ func NewConnector(logger mlogger.Logger, settings model.SettingsT) (mmodel.Conne
 
 	parsed, err := url.Parse(baseURL)
 	if err != nil {
-		return nil, fmerrors.Wrap("binance: invalid base url", err)
+		return nil, merrors.InvalidArgumentWrap(err, "binance: invalid base url", "base_url")
 	}
 
 	transport := &http.Transport{
@@ -89,12 +89,12 @@ func (c *binanceConnector) ID() mmodel.Driver {
 
 func (c *binanceConnector) FetchTicker(ctx context.Context, symbol string) (*mmodel.Ticker, error) {
 	if strings.TrimSpace(symbol) == "" {
-		return nil, fmerrors.New("binance: symbol is empty")
+		return nil, merrors.InvalidArgument("binance: symbol is empty", "symbol")
 	}
 
 	endpoint, err := url.Parse(c.base)
 	if err != nil {
-		return nil, fmerrors.Wrap("binance: parse base url", err)
+		return nil, merrors.InternalWrap(err, "binance: parse base url")
 	}
 	endpoint.Path = "/api/v3/ticker/bookTicker"
 	query := endpoint.Query()
@@ -103,19 +103,19 @@ func (c *binanceConnector) FetchTicker(ctx context.Context, symbol string) (*mmo
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), nil)
 	if err != nil {
-		return nil, fmerrors.Wrap("binance: build request", err)
+		return nil, merrors.InternalWrap(err, "binance: build request")
 	}
 
 	resp, err := c.client.Do(req)
 	if err != nil {
 		c.logger.Warn("Binance request failed", zap.String("symbol", symbol), zap.Error(err))
-		return nil, fmerrors.Wrap("binance: request failed", err)
+		return nil, merrors.InternalWrap(err, "binance: request failed")
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
 		c.logger.Warn("Binance returned non-OK status", zap.String("symbol", symbol), zap.Int("status", resp.StatusCode))
-		return nil, fmerrors.New("binance: unexpected status " + strconv.Itoa(resp.StatusCode))
+		return nil, merrors.Internal("binance: unexpected status " + strconv.Itoa(resp.StatusCode))
 	}
 
 	var payload struct {
@@ -126,7 +126,7 @@ func (c *binanceConnector) FetchTicker(ctx context.Context, symbol string) (*mmo
 
 	if err := json.NewDecoder(resp.Body).Decode(&payload); err != nil {
 		c.logger.Warn("Binance decode failed", zap.String("symbol", symbol), zap.Error(err))
-		return nil, fmerrors.Wrap("binance: decode response", err)
+		return nil, merrors.InternalWrap(err, "binance: decode response")
 	}
 
 	return &mmodel.Ticker{

api/fx/ingestor/internal/market/cbr/connector.go

@@ -0,0 +1,674 @@
+package cbr
+
+import (
+	"context"
+	"encoding/xml"
+	"math/big"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/tech/sendico/fx/ingestor/internal/market/common"
+	mmodel "github.com/tech/sendico/fx/ingestor/internal/model"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"go.uber.org/zap"
+	"golang.org/x/net/html/charset"
+)
+
+type cbrConnector struct {
+	id            mmodel.Driver
+	provider      string
+	http          *httpClient
+	base          string
+	dailyPath     string
+	directoryPath string
+	dynamicPath   string
+	logger        mlogger.Logger
+
+	byISO map[string]valuteInfo
+	byID  map[string]valuteInfo
+}
+
+const defaultCBRBaseURL = "https://www.cbr.ru"
+const (
+	defaultDirectoryPath = "/scripts/XML_valFull.asp"
+	defaultDailyPath     = "/scripts/XML_daily.asp"
+	defaultDynamicPath   = "/scripts/XML_dynamic.asp"
+)
+
+const (
+	defaultDialTimeoutSeconds           = 5 * time.Second
+	defaultDialKeepAliveSeconds         = 30 * time.Second
+	defaultTLSHandshakeTimeoutSeconds   = 5 * time.Second
+	defaultResponseHeaderTimeoutSeconds = 10 * time.Second
+	defaultRequestTimeoutSeconds        = 10 * time.Second
+)
+
+func NewConnector(logger mlogger.Logger, settings model.SettingsT) (mmodel.Connector, error) {
+	baseURL := defaultCBRBaseURL
+	provider := strings.ToLower(mmodel.DriverCBR.String())
+	dialTimeout := defaultDialTimeoutSeconds
+	dialKeepAlive := defaultDialKeepAliveSeconds
+	tlsHandshakeTimeout := defaultTLSHandshakeTimeoutSeconds
+	responseHeaderTimeout := defaultResponseHeaderTimeoutSeconds
+	requestTimeout := defaultRequestTimeoutSeconds
+	directoryPath := defaultDirectoryPath
+	dailyPath := defaultDailyPath
+	dynamicPath := defaultDynamicPath
+	userAgent := defaultUserAgent
+	acceptHeader := defaultAccept
+
+	if settings != nil {
+		if value, ok := settings["base_url"].(string); ok && strings.TrimSpace(value) != "" {
+			baseURL = strings.TrimSpace(value)
+		}
+		if value, ok := settings["provider"].(string); ok && strings.TrimSpace(value) != "" {
+			provider = strings.TrimSpace(value)
+		}
+		if value, ok := settings["directory_path"].(string); ok && strings.TrimSpace(value) != "" {
+			directoryPath = strings.TrimSpace(value)
+		}
+		if value, ok := settings["daily_path"].(string); ok && strings.TrimSpace(value) != "" {
+			dailyPath = strings.TrimSpace(value)
+		}
+		if value, ok := settings["dynamic_path"].(string); ok && strings.TrimSpace(value) != "" {
+			dynamicPath = strings.TrimSpace(value)
+		}
+		if value, ok := settings["user_agent"].(string); ok && strings.TrimSpace(value) != "" {
+			userAgent = strings.TrimSpace(value)
+		}
+		if value, ok := settings["accept_header"].(string); ok && strings.TrimSpace(value) != "" {
+			acceptHeader = strings.TrimSpace(value)
+		}
+		dialTimeout = common.DurationSetting(settings, "dial_timeout_seconds", dialTimeout)
+		dialKeepAlive = common.DurationSetting(settings, "dial_keep_alive_seconds", dialKeepAlive)
+		tlsHandshakeTimeout = common.DurationSetting(settings, "tls_handshake_timeout_seconds", tlsHandshakeTimeout)
+		responseHeaderTimeout = common.DurationSetting(settings, "response_header_timeout_seconds", responseHeaderTimeout)
+		requestTimeout = common.DurationSetting(settings, "request_timeout_seconds", requestTimeout)
+	}
+
+	parsed, err := url.Parse(baseURL)
+	if err != nil {
+		return nil, merrors.InvalidArgumentWrap(err, "cbr: invalid base url", "base_url")
+	}
+
+	var transport http.RoundTripper = &http.Transport{
+		DialContext:           (&net.Dialer{Timeout: dialTimeout, KeepAlive: dialKeepAlive}).DialContext,
+		TLSHandshakeTimeout:   tlsHandshakeTimeout,
+		ResponseHeaderTimeout: responseHeaderTimeout,
+	}
+
+	if customTransport, ok := settings["http_round_tripper"].(http.RoundTripper); ok && customTransport != nil {
+		transport = customTransport
+	}
+
+	client := &http.Client{
+		Timeout:   requestTimeout,
+		Transport: transport,
+	}
+	referer := parsed.String()
+
+	connector := &cbrConnector{
+		id:       mmodel.DriverCBR,
+		provider: provider,
+		http: newHTTPClient(
+			logger,
+			client,
+			httpClientOptions{
+				userAgent: userAgent,
+				accept:    acceptHeader,
+				referer:   referer,
+			},
+		),
+		base:          strings.TrimRight(parsed.String(), "/"),
+		dailyPath:     dailyPath,
+		directoryPath: directoryPath,
+		dynamicPath:   dynamicPath,
+		logger:        logger.Named("cbr"),
+	}
+
+	if err := connector.refreshDirectory(); err != nil {
+		return nil, err
+	}
+
+	return connector, nil
+}
+
+func (c *cbrConnector) ID() mmodel.Driver {
+	return c.id
+}
+
+func (c *cbrConnector) FetchTicker(ctx context.Context, symbol string) (*mmodel.Ticker, error) {
+	isoCode, asOfDate, err := parseSymbol(symbol)
+	if err != nil {
+		return nil, err
+	}
+
+	valute, ok := c.byISO[isoCode]
+	if !ok {
+		return nil, merrors.InvalidArgument("cbr: unknown currency "+isoCode, "symbol")
+	}
+
+	var price string
+	if asOfDate != nil {
+		price, err = c.fetchHistoricalRate(ctx, valute, *asOfDate)
+	} else {
+		price, err = c.fetchDailyRate(ctx, valute)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	now := time.Now().UnixMilli()
+	return &mmodel.Ticker{
+		Symbol:    formatSymbol(isoCode, asOfDate),
+		BidPrice:  price,
+		AskPrice:  price,
+		Provider:  c.provider,
+		Timestamp: now,
+	}, nil
+}
+
+func (c *cbrConnector) refreshDirectory() error {
+	endpoint, err := c.buildURL(c.directoryPath, nil)
+	if err != nil {
+		return err
+	}
+
+	req, err := c.http.NewRequest(context.Background(), http.MethodGet, endpoint)
+	if err != nil {
+		return merrors.InternalWrap(err, "cbr: build directory request")
+	}
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		c.logger.Warn(
+			"CBR directory request failed",
+			zap.Error(err),
+			zap.String("endpoint", endpoint),
+			zap.String("referer", c.http.headerValue("Referer")),
+			zap.String("user_agent", c.http.headerValue("User-Agent")),
+		)
+		return merrors.InternalWrap(err, "cbr: directory request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		c.logger.Warn(
+			"CBR directory returned non-OK status",
+			zap.Int("status", resp.StatusCode),
+			zap.String("endpoint", endpoint),
+			zap.String("referer", c.http.headerValue("Referer")),
+			zap.String("user_agent", c.http.headerValue("User-Agent")),
+		)
+		return merrors.Internal("cbr: unexpected status " + strconv.Itoa(resp.StatusCode))
+	}
+
+	decoder := xml.NewDecoder(resp.Body)
+	decoder.CharsetReader = charset.NewReaderLabel
+
+	var directory valuteDirectory
+	if err := decoder.Decode(&directory); err != nil {
+		c.logger.Warn("CBR directory decode failed", zap.Error(err), zap.String("endpoint", endpoint))
+		return merrors.InternalWrap(err, "cbr: decode directory")
+	}
+
+	mapping, err := buildValuteMapping(c.logger.Named("mapper"), directory.Items)
+	if err != nil {
+		c.logger.Warn("Failed to build currencies mapping", zap.Error(err), zap.String("endpoint", endpoint))
+		return err
+	}
+
+	c.byISO = mapping.byISO
+	c.byID = mapping.byID
+	return nil
+}
+
+func (c *cbrConnector) fetchDailyRate(ctx context.Context, valute valuteInfo) (string, error) {
+	endpoint, err := c.buildURL(c.dailyPath, nil)
+	if err != nil {
+		c.logger.Warn("Failed to build daily fetch URL", zap.Error(err), zap.String("path", c.dailyPath))
+		return "", err
+	}
+
+	req, err := c.http.NewRequest(ctx, http.MethodGet, endpoint)
+	if err != nil {
+		c.logger.Warn("Failed to request daily rate", zap.Error(err), zap.String("endpoint", endpoint))
+		return "", merrors.InternalWrap(err, "cbr: build daily request")
+	}
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		c.logger.Warn("CBR daily request failed",
+			zap.Error(err), zap.String("currency", valute.ISOCharCode),
+			zap.String("endpoint", endpoint), zap.String("referer", c.http.headerValue("Referer")),
+			zap.String("user_agent", c.http.headerValue("User-Agent")),
+		)
+		return "", merrors.InternalWrap(err, "cbr: daily request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		c.logger.Warn(
+			"CBR daily returned non-OK status", zap.Int("status", resp.StatusCode),
+			zap.String("currency", valute.ISOCharCode), zap.String("endpoint", endpoint),
+		)
+		return "", merrors.Internal("cbr: unexpected status " + strconv.Itoa(resp.StatusCode))
+	}
+
+	decoder := xml.NewDecoder(resp.Body)
+	decoder.CharsetReader = charset.NewReaderLabel
+
+	var payload dailyRates
+	if err := decoder.Decode(&payload); err != nil {
+		c.logger.Warn("CBR daily decode failed", zap.Error(err),
+			zap.String("currency", valute.ISOCharCode), zap.String("endpoint", endpoint),
+		)
+		return "", merrors.InternalWrap(err, "cbr: decode daily response")
+	}
+
+	entry := payload.find(valute.ID)
+	if entry == nil {
+		return "", merrors.NoData("cbr: currency not found in daily rates: " + valute.ISOCharCode)
+	}
+
+	if err := validateDailyEntry(valute, entry); err != nil {
+		return "", err
+	}
+
+	return computePrice(entry.Value, entry.Nominal)
+}
+
+func (c *cbrConnector) fetchHistoricalRate(ctx context.Context, valute valuteInfo, date time.Time) (string, error) {
+	query := map[string]string{
+		"date_req1": date.Format("02/01/2006"),
+		"date_req2": date.Format("02/01/2006"),
+		"VAL_NM_RQ": valute.ID,
+	}
+	dateStr := date.Format("2006-01-02")
+	endpoint, err := c.buildURL(c.dynamicPath, query)
+	if err != nil {
+		return "", err
+	}
+
+	req, err := c.http.NewRequest(ctx, http.MethodGet, endpoint)
+	if err != nil {
+		return "", merrors.InternalWrap(err, "cbr: build historical request")
+	}
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		c.logger.Warn(
+			"CBR historical request failed",
+			zap.String("currency", valute.ISOCharCode),
+			zap.String("date", dateStr),
+			zap.String("endpoint", endpoint),
+			zap.String("referer", c.http.headerValue("Referer")),
+			zap.String("user_agent", c.http.headerValue("User-Agent")),
+			zap.Error(err),
+		)
+		return "", merrors.InternalWrap(err, "cbr: historical request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		c.logger.Warn(
+			"CBR historical returned non-OK status",
+			zap.Int("status", resp.StatusCode),
+			zap.String("currency", valute.ISOCharCode),
+			zap.String("date", dateStr),
+			zap.String("endpoint", endpoint),
+		)
+		return "", merrors.Internal("cbr: unexpected status " + strconv.Itoa(resp.StatusCode))
+	}
+
+	decoder := xml.NewDecoder(resp.Body)
+	decoder.CharsetReader = charset.NewReaderLabel
+
+	var payload dynamicRates
+	if err := decoder.Decode(&payload); err != nil {
+		c.logger.Warn(
+			"CBR historical decode failed",
+			zap.String("currency", valute.ISOCharCode),
+			zap.String("date", dateStr),
+			zap.String("endpoint", endpoint),
+			zap.Error(err),
+		)
+		return "", merrors.InternalWrap(err, "cbr: decode historical response")
+	}
+
+	record := payload.find(valute.ID, date)
+	if record == nil {
+		return "", merrors.NoData("cbr: historical rate not found for " + valute.ISOCharCode)
+	}
+
+	if record.Nominal != "" {
+		nominal, err := parseNominal(record.Nominal)
+		if err != nil {
+			return "", merrors.InvalidDataType(err.Error())
+		}
+		if nominal != valute.Nominal {
+			return "", merrors.Internal("cbr: historical nominal mismatch for " + valute.ISOCharCode)
+		}
+	}
+
+	return computePrice(record.Value, strconv.FormatInt(valute.Nominal, 10))
+}
+
+func (c *cbrConnector) buildURL(path string, query map[string]string) (string, error) {
+	base, err := url.Parse(c.base)
+	if err != nil {
+		return "", merrors.InternalWrap(err, "cbr: parse base url")
+	}
+	base.Path = strings.TrimRight(base.Path, "/") + path
+	q := base.Query()
+	for key, value := range query {
+		q.Set(key, value)
+	}
+	base.RawQuery = q.Encode()
+	return base.String(), nil
+}
+
+type valuteDirectory struct {
+	Items []valuteItem `xml:"Item"`
+}
+
+type valuteItem struct {
+	ID         string `xml:"ID,attr"`
+	ISOChar    string `xml:"ISO_Char_Code"`
+	ISONum     string `xml:"ISO_Num_Code"`
+	Name       string `xml:"Name"`
+	EngName    string `xml:"EngName"`
+	NominalStr string `xml:"Nominal"`
+}
+
+type valuteInfo struct {
+	ID          string
+	ISOCharCode string
+	ISONumCode  string
+	Name        string
+	EngName     string
+	Nominal     int64
+}
+
+type valuteMapping struct {
+	byISO map[string]valuteInfo
+	byID  map[string]valuteInfo
+}
+
+func buildValuteMapping(logger *zap.Logger, items []valuteItem) (*valuteMapping, error) {
+	byISO := make(map[string]valuteInfo, len(items))
+	byID := make(map[string]valuteInfo, len(items))
+	byNum := make(map[string]string, len(items))
+
+	for _, item := range items {
+		id := strings.TrimSpace(item.ID)
+		isoChar := strings.ToUpper(strings.TrimSpace(item.ISOChar))
+		isoNum := strings.TrimSpace(item.ISONum)
+		name := strings.TrimSpace(item.Name)
+		engName := strings.TrimSpace(item.EngName)
+
+		nominal, err := parseNominal(item.NominalStr)
+		if err != nil {
+			return nil, merrors.InvalidDataType("cbr: parse directory nominal: " + err.Error())
+		}
+
+		if id == "" || isoChar == "" {
+			logger.Info("Skipping invalid currency entry",
+				zap.String("id", id),
+				zap.String("iso_char", isoChar),
+				zap.String("name", name),
+			)
+			continue
+		}
+
+		info := valuteInfo{
+			ID:          id,
+			ISOCharCode: isoChar,
+			ISONumCode:  isoNum,
+			Name:        name,
+			EngName:     engName,
+			Nominal:     nominal,
+		}
+
+		// Handle duplicate ISO char codes (e.g. DEM with different IDs / nominals).
+		if existing, ok := byISO[isoChar]; ok {
+			// Same ISO + same ID: duplicate entry, just ignore.
+			if existing.ID == id {
+				logger.Debug("Duplicate directory entry for same ISO and ID, ignoring",
+					zap.String("iso_code", isoChar),
+					zap.String("id", id),
+				)
+				continue
+			}
+
+			// Different IDs but same ISO char.
+			// Choose canonical entry:
+			//  1) Prefer nominal == 1
+			//  2) Otherwise prefer smaller nominal
+			keepExisting := true
+
+			if existing.Nominal != 1 && info.Nominal == 1 {
+				keepExisting = false
+			} else if existing.Nominal == 1 && info.Nominal != 1 {
+				keepExisting = true
+			} else if info.Nominal < existing.Nominal {
+				keepExisting = false
+			}
+
+			if keepExisting {
+				logger.Warn("Ignoring duplicate ISO currency entry with less preferred nominal",
+					zap.String("iso_code", isoChar),
+					zap.String("existing_id", existing.ID),
+					zap.Int64("existing_nominal", existing.Nominal),
+					zap.String("new_id", info.ID),
+					zap.Int64("new_nominal", info.Nominal),
+				)
+				// We keep the old one, just skip the new.
+				continue
+			}
+
+			// Replace existing mapping with the new, more canonical one.
+			logger.Warn("Replacing currency mapping due to more canonical nominal",
+				zap.String("iso_code", isoChar),
+				zap.String("old_id", existing.ID),
+				zap.Int64("old_nominal", existing.Nominal),
+				zap.String("new_id", info.ID),
+				zap.Int64("new_nominal", info.Nominal),
+			)
+
+			// Update byID: drop old ID, add new one
+			delete(byID, existing.ID)
+			byID[id] = info
+
+			// Update ISO mapping
+			byISO[isoChar] = info
+
+			// Update numeric-code index if present
+			if isoNum != "" {
+				if existingID, ok := byNum[isoNum]; ok && existingID != id {
+					return nil, merrors.InvalidDataType("cbr: duplicate ISO numeric code " + isoNum)
+				}
+				byNum[isoNum] = id
+			}
+
+			continue
+		}
+
+		// No existing ISO entry, do normal uniqueness checks.
+
+		if existing, ok := byID[id]; ok && existing.ISOCharCode != isoChar {
+			return nil, merrors.InvalidDataType("cbr: duplicate valute id " + id)
+		}
+
+		if isoNum != "" {
+			if existingID, ok := byNum[isoNum]; ok && existingID != id {
+				return nil, merrors.InvalidDataType("cbr: duplicate ISO numeric code " + isoNum)
+			}
+			byNum[isoNum] = id
+		}
+
+		logger.Info("Installing currency code", zap.String("iso_code", isoChar), zap.String("id", id), zap.Int64("nominal", nominal))
+
+		byISO[isoChar] = info
+		byID[id] = info
+	}
+
+	if len(byISO) == 0 {
+		return nil, merrors.InvalidDataType("cbr: empty directory received")
+	}
+
+	return &valuteMapping{
+		byISO: byISO,
+		byID:  byID,
+	}, nil
+}
+
+type dailyRates struct {
+	Valutes []dailyValute `xml:"Valute"`
+}
+
+type dailyValute struct {
+	ID       string `xml:"ID,attr"`
+	NumCode  string `xml:"NumCode"`
+	CharCode string `xml:"CharCode"`
+	Nominal  string `xml:"Nominal"`
+	Name     string `xml:"Name"`
+	Value    string `xml:"Value"`
+}
+
+func (d *dailyRates) find(id string) *dailyValute {
+	if d == nil {
+		return nil
+	}
+	for idx := range d.Valutes {
+		if strings.EqualFold(strings.TrimSpace(d.Valutes[idx].ID), id) {
+			return &d.Valutes[idx]
+		}
+	}
+	return nil
+}
+
+type dynamicRates struct {
+	Records []dynamicRecord `xml:"Record"`
+}
+
+type dynamicRecord struct {
+	ID      string `xml:"Id,attr"`
+	DateRaw string `xml:"Date,attr"`
+	Nominal string `xml:"Nominal"`
+	Value   string `xml:"Value"`
+}
+
+func (d *dynamicRates) find(id string, date time.Time) *dynamicRecord {
+	if d == nil {
+		return nil
+	}
+	target := date.Format("02.01.2006")
+	for idx := range d.Records {
+		rec := &d.Records[idx]
+		if !strings.EqualFold(strings.TrimSpace(rec.ID), id) {
+			continue
+		}
+		if strings.TrimSpace(rec.DateRaw) == target {
+			return rec
+		}
+	}
+	return nil
+}
+
+func validateDailyEntry(expected valuteInfo, entry *dailyValute) error {
+	if entry == nil {
+		return merrors.NoData("cbr: missing daily entry")
+	}
+	if !strings.EqualFold(strings.TrimSpace(entry.CharCode), expected.ISOCharCode) {
+		return merrors.Internal("cbr: char code mismatch for " + expected.ISOCharCode)
+	}
+	if expected.ISONumCode != "" && strings.TrimSpace(entry.NumCode) != expected.ISONumCode {
+		return merrors.Internal("cbr: iso numeric mismatch for " + expected.ISOCharCode)
+	}
+	if expected.Name != "" && strings.TrimSpace(entry.Name) != expected.Name {
+		return merrors.Internal("cbr: currency name mismatch for " + expected.ISOCharCode)
+	}
+
+	nominal, err := parseNominal(entry.Nominal)
+	if err != nil {
+		return merrors.InvalidDataType("cbr: parse daily nominal: " + err.Error())
+	}
+	if nominal != expected.Nominal {
+		return merrors.Internal("cbr: nominal mismatch for " + expected.ISOCharCode)
+	}
+	return nil
+}
+
+func parseSymbol(symbol string) (string, *time.Time, error) {
+	trimmed := strings.TrimSpace(symbol)
+	if trimmed == "" {
+		return "", nil, merrors.InvalidArgument("cbr: symbol is empty", "symbol")
+	}
+
+	parts := strings.Split(trimmed, "@")
+	if len(parts) > 2 {
+		return "", nil, merrors.InvalidArgument("cbr: invalid symbol format", "symbol")
+	}
+
+	iso := strings.ToUpper(strings.TrimSpace(parts[0]))
+	if len(iso) != 3 {
+		return "", nil, merrors.InvalidArgument("cbr: symbol must be ISO currency code", "symbol")
+	}
+
+	if len(parts) == 1 {
+		return iso, nil, nil
+	}
+
+	datePart := strings.TrimSpace(parts[1])
+	if datePart == "" {
+		return "", nil, merrors.InvalidArgument("cbr: date component is empty", "symbol")
+	}
+
+	parsed, err := time.Parse("2006-01-02", datePart)
+	if err != nil {
+		return "", nil, merrors.InvalidArgumentWrap(err, "cbr: invalid date component", "symbol")
+	}
+
+	return iso, &parsed, nil
+}
+
+func parseNominal(value string) (int64, error) {
+	nominal, err := strconv.ParseInt(strings.TrimSpace(value), 10, 64)
+	if err != nil || nominal <= 0 {
+		return 0, merrors.InvalidDataType("cbr: invalid nominal \"" + value + "\"")
+	}
+	return nominal, nil
+}
+
+func computePrice(value string, nominalStr string) (string, error) {
+	raw := strings.ReplaceAll(strings.TrimSpace(value), " ", "")
+	raw = strings.ReplaceAll(raw, ",", ".")
+
+	r := new(big.Rat)
+	if _, ok := r.SetString(raw); !ok {
+		return "", merrors.InvalidDataType("invalid decimal \"" + value + "\"")
+	}
+
+	nominal, err := parseNominal(nominalStr)
+	if err != nil {
+		return "", err
+	}
+
+	den := big.NewRat(nominal, 1)
+	price := new(big.Rat).Quo(r, den)
+	return price.FloatString(8), nil
+}
+
+func formatSymbol(iso string, asOf *time.Time) string {
+	if asOf == nil {
+		return iso
+	}
+	return iso + "@" + asOf.Format("2006-01-02")
+}

api/fx/ingestor/internal/market/cbr/connector_test.go

@@ -0,0 +1,226 @@
+package cbr
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/tech/sendico/pkg/merrors"
+	"go.uber.org/zap"
+)
+
+func TestFetchTickerDaily(t *testing.T) {
+	transport := &stubRoundTripper{
+		responses: map[string]stubResponse{
+			"/scripts/XML_valFull.asp": {body: valuteDirectoryXML},
+			"/scripts/XML_daily.asp":   {body: dailyRatesXML},
+		},
+	}
+
+	conn, err := NewConnector(zap.NewNop(), map[string]any{
+		"base_url":                "http://cbr.test",
+		"http_round_tripper":      transport,
+		"request_timeout_seconds": 1,
+	})
+	if err != nil {
+		t.Fatalf("NewConnector returned error: %v", err)
+	}
+
+	ticker, err := conn.FetchTicker(context.Background(), "USD")
+	if err != nil {
+		t.Fatalf("FetchTicker returned error: %v", err)
+	}
+
+	if ticker.Provider != "cbr" {
+		t.Fatalf("unexpected provider: %s", ticker.Provider)
+	}
+	if ticker.BidPrice != "95.12340000" || ticker.AskPrice != "95.12340000" {
+		t.Fatalf("unexpected bid/ask: %s / %s", ticker.BidPrice, ticker.AskPrice)
+	}
+	if ticker.Symbol != "USD" {
+		t.Fatalf("unexpected symbol: %s", ticker.Symbol)
+	}
+}
+
+func TestFetchTickerValidatesDailyEntry(t *testing.T) {
+	transport := &stubRoundTripper{
+		responses: map[string]stubResponse{
+			"/scripts/XML_valFull.asp": {body: valuteDirectoryXML},
+			"/scripts/XML_daily.asp":   {body: strings.ReplaceAll(dailyRatesXML, "<CharCode>USD</CharCode>", "<CharCode>XXX</CharCode>")},
+		},
+	}
+
+	conn, err := NewConnector(zap.NewNop(), map[string]any{
+		"base_url":           "http://cbr.test",
+		"http_round_tripper": transport,
+	})
+	if err != nil {
+		t.Fatalf("NewConnector returned error: %v", err)
+	}
+
+	if _, err := conn.FetchTicker(context.Background(), "USD"); err == nil {
+		t.Fatalf("FetchTicker expected to fail due to mismatch")
+	}
+}
+
+func TestFetchTickerHistorical(t *testing.T) {
+	transport := &stubRoundTripper{
+		responses: map[string]stubResponse{
+			"/scripts/XML_valFull.asp": {body: valuteDirectoryXML},
+			"/scripts/XML_dynamic.asp": {
+				body: dynamicRatesXML,
+				check: func(r *http.Request) error {
+					if got := r.URL.Query().Get("VAL_NM_RQ"); got != "R01235" {
+						return fmt.Errorf("unexpected valute id: %s", got)
+					}
+					if got := r.URL.Query().Get("date_req1"); got != "05/01/2023" {
+						return fmt.Errorf("unexpected date_req1: %s", got)
+					}
+					if got := r.URL.Query().Get("date_req2"); got != "05/01/2023" {
+						return fmt.Errorf("unexpected date_req2: %s", got)
+					}
+					return nil
+				},
+			},
+		},
+	}
+
+	conn, err := NewConnector(zap.NewNop(), map[string]any{
+		"base_url":           "http://cbr.test",
+		"http_round_tripper": transport,
+	})
+	if err != nil {
+		t.Fatalf("NewConnector returned error: %v", err)
+	}
+
+	ticker, err := conn.FetchTicker(context.Background(), "USD@2023-01-05")
+	if err != nil {
+		t.Fatalf("FetchTicker returned error: %v", err)
+	}
+
+	if ticker.BidPrice != "70.10000000" || ticker.AskPrice != "70.10000000" {
+		t.Fatalf("unexpected bid/ask: %s / %s", ticker.BidPrice, ticker.AskPrice)
+	}
+	if ticker.Symbol != "USD@2023-01-05" {
+		t.Fatalf("unexpected symbol: %s", ticker.Symbol)
+	}
+}
+
+func TestFetchTickerUnknownCurrency(t *testing.T) {
+	transport := &stubRoundTripper{
+		responses: map[string]stubResponse{
+			"/scripts/XML_valFull.asp": {body: valuteDirectoryXML},
+			"/scripts/XML_daily.asp":   {body: dailyRatesXML},
+		},
+	}
+
+	conn, err := NewConnector(zap.NewNop(), map[string]any{
+		"base_url":           "http://cbr.test",
+		"http_round_tripper": transport,
+	})
+	if err != nil {
+		t.Fatalf("NewConnector returned error: %v", err)
+	}
+
+	_, err = conn.FetchTicker(context.Background(), "ZZZ")
+	if err == nil {
+		t.Fatalf("FetchTicker expected to fail for unknown currency")
+	}
+	if !errors.Is(err, merrors.ErrInvalidArg) {
+		t.Fatalf("expected invalid argument error, got %v", err)
+	}
+}
+
+func TestFetchTickerRespectsCustomPaths(t *testing.T) {
+	transport := &stubRoundTripper{
+		responses: map[string]stubResponse{
+			"/dir.xml":   {body: valuteDirectoryXML},
+			"/rates.xml": {body: dailyRatesXML},
+		},
+	}
+
+	conn, err := NewConnector(zap.NewNop(), map[string]any{
+		"base_url":           "http://cbr.test",
+		"directory_path":     "/dir.xml",
+		"daily_path":         "/rates.xml",
+		"http_round_tripper": transport,
+	})
+	if err != nil {
+		t.Fatalf("NewConnector returned error: %v", err)
+	}
+
+	if _, err := conn.FetchTicker(context.Background(), "USD"); err != nil {
+		t.Fatalf("FetchTicker returned error with custom paths: %v", err)
+	}
+}
+
+const valuteDirectoryXML = `
+<Valuta name="Foreign Currency Market">
+  <Item ID="R01235">
+    <ISO_Num_Code>840</ISO_Num_Code>
+    <ISO_Char_Code>USD</ISO_Char_Code>
+    <Nominal>1</Nominal>
+    <Name>US Dollar</Name>
+    <EngName>US Dollar</EngName>
+  </Item>
+</Valuta>`
+
+const dailyRatesXML = `
+<ValCurs Date="02.09.2024" name="Foreign Currency Market">
+  <Valute ID="R01235">
+    <NumCode>840</NumCode>
+    <CharCode>USD</CharCode>
+    <Nominal>1</Nominal>
+    <Name>US Dollar</Name>
+    <Value>95,1234</Value>
+  </Valute>
+</ValCurs>`
+
+const dynamicRatesXML = `
+<ValCurs ID="R01235" DateRange1="05/01/2023" DateRange2="05/01/2023" name="Foreign Currency Market Dynamic">
+  <Record Date="05.01.2023" Id="R01235">
+    <Nominal>1</Nominal>
+    <Value>70,1</Value>
+  </Record>
+</ValCurs>`
+
+type stubResponse struct {
+	status int
+	body   string
+	check  func(*http.Request) error
+}
+
+type stubRoundTripper struct {
+	responses map[string]stubResponse
+}
+
+func (s *stubRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
+	if s.responses == nil {
+		return nil, fmt.Errorf("no responses configured")
+	}
+	res, ok := s.responses[req.URL.Path]
+	if !ok {
+		return nil, fmt.Errorf("unexpected request path: %s", req.URL.Path)
+	}
+	if res.check != nil {
+		if err := res.check(req); err != nil {
+			return nil, err
+		}
+	}
+
+	status := res.status
+	if status == 0 {
+		status = http.StatusOK
+	}
+
+	return &http.Response{
+		StatusCode: status,
+		Body:       io.NopCloser(strings.NewReader(res.body)),
+		Header:     http.Header{"Content-Type": []string{"text/xml"}},
+		Request:    req,
+	}, nil
+}

api/fx/ingestor/internal/market/cbr/http_client.go

@@ -0,0 +1,85 @@
+package cbr
+
+import (
+	"context"
+	"net/http"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+const (
+	defaultUserAgent = "Mozilla/5.0 (compatible; SendicoFX/1.0; +https://app.sendico.io)"
+	defaultAccept    = "application/xml,text/xml;q=0.9,*/*;q=0.8"
+)
+
+// httpClient wraps http.Client to ensure CBR requests always carry required headers.
+type httpClient struct {
+	client  *http.Client
+	headers http.Header
+	logger  *zap.Logger
+}
+
+type httpClientOptions struct {
+	userAgent string
+	accept    string
+	referer   string
+}
+
+func newHTTPClient(logger *zap.Logger, client *http.Client, opts httpClientOptions) *httpClient {
+	userAgent := opts.userAgent
+	if strings.TrimSpace(userAgent) == "" {
+		userAgent = defaultUserAgent
+	}
+
+	accept := opts.accept
+	if strings.TrimSpace(accept) == "" {
+		accept = defaultAccept
+	}
+
+	referer := opts.referer
+	if strings.TrimSpace(referer) == "" {
+		referer = defaultCBRBaseURL
+	}
+	l := logger.Named("http_client")
+
+	headers := make(http.Header, 3)
+	headers.Set("User-Agent", userAgent)
+	headers.Set("Accept", accept)
+	headers.Set("Referer", referer)
+
+	l.Info("HTTP client initialized", zap.String("user_agent", userAgent),
+		zap.String("accept", accept), zap.String("referrer", referer))
+
+	return &httpClient{
+		client:  client,
+		headers: headers,
+		logger:  l,
+	}
+}
+
+func (h *httpClient) NewRequest(ctx context.Context, method, endpoint string) (*http.Request, error) {
+	return http.NewRequestWithContext(ctx, method, endpoint, nil)
+}
+
+func (h *httpClient) Do(req *http.Request) (*http.Response, error) {
+	enriched := req.Clone(req.Context())
+	for key, values := range h.headers {
+		if enriched.Header.Get(key) != "" {
+			continue
+		}
+		for _, value := range values {
+			enriched.Header.Add(key, value)
+		}
+	}
+	r, err := h.client.Do(enriched)
+	if err != nil {
+		h.logger.Warn("HTTP request failed", zap.Error(err), zap.String("method", req.Method),
+			zap.String("url", req.URL.String()))
+	}
+	return r, err
+}
+
+func (h *httpClient) headerValue(name string) string {
+	return h.headers.Get(name)
+}

api/fx/ingestor/internal/market/coingecko/connector.go

@@ -10,9 +10,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	"github.com/tech/sendico/fx/ingestor/internal/market/common"
 	mmodel "github.com/tech/sendico/fx/ingestor/internal/model"
+	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 	"github.com/tech/sendico/pkg/model"
 	"go.uber.org/zap"
@@ -61,7 +61,7 @@ func NewConnector(logger mlogger.Logger, settings model.SettingsT) (mmodel.Conne
 
 	parsed, err := url.Parse(baseURL)
 	if err != nil {
-		return nil, fmerrors.Wrap("coingecko: invalid base url", err)
+		return nil, merrors.InvalidArgumentWrap(err, "coingecko: invalid base url", "base_url")
 	}
 
 	transport := &http.Transport{
@@ -96,7 +96,7 @@ func (c *coingeckoConnector) FetchTicker(ctx context.Context, symbol string) (*m
 
 	endpoint, err := url.Parse(c.base)
 	if err != nil {
-		return nil, fmerrors.Wrap("coingecko: parse base url", err)
+		return nil, merrors.InternalWrap(err, "coingecko: parse base url")
 	}
 	endpoint.Path = strings.TrimRight(endpoint.Path, "/") + "/simple/price"
 	query := endpoint.Query()
@@ -107,19 +107,19 @@ func (c *coingeckoConnector) FetchTicker(ctx context.Context, symbol string) (*m
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), nil)
 	if err != nil {
-		return nil, fmerrors.Wrap("coingecko: build request", err)
+		return nil, merrors.InternalWrap(err, "coingecko: build request")
 	}
 
 	resp, err := c.client.Do(req)
 	if err != nil {
 		c.logger.Warn("CoinGecko request failed", zap.String("symbol", symbol), zap.Error(err))
-		return nil, fmerrors.Wrap("coingecko: request failed", err)
+		return nil, merrors.InternalWrap(err, "coingecko: request failed")
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
 		c.logger.Warn("CoinGecko returned non-OK status", zap.String("symbol", symbol), zap.Int("status", resp.StatusCode))
-		return nil, fmerrors.New("coingecko: unexpected status " + strconv.Itoa(resp.StatusCode))
+		return nil, merrors.Internal("coingecko: unexpected status " + strconv.Itoa(resp.StatusCode))
 	}
 
 	decoder := json.NewDecoder(resp.Body)
@@ -128,21 +128,21 @@ func (c *coingeckoConnector) FetchTicker(ctx context.Context, symbol string) (*m
 	var payload map[string]map[string]interface{}
 	if err := decoder.Decode(&payload); err != nil {
 		c.logger.Warn("CoinGecko decode failed", zap.String("symbol", symbol), zap.Error(err))
-		return nil, fmerrors.Wrap("coingecko: decode response", err)
+		return nil, merrors.InternalWrap(err, "coingecko: decode response")
 	}
 
 	coinData, ok := payload[coinID]
 	if !ok {
-		return nil, fmerrors.New("coingecko: coin id not found in response")
+		return nil, merrors.Internal("coingecko: coin id not found in response")
 	}
 	priceValue, ok := coinData[vsCurrency]
 	if !ok {
-		return nil, fmerrors.New("coingecko: vs currency not found in response")
+		return nil, merrors.Internal("coingecko: vs currency not found in response")
 	}
 
 	price, ok := toFloat(priceValue)
 	if !ok || price <= 0 {
-		return nil, fmerrors.New("coingecko: invalid price value in response")
+		return nil, merrors.Internal("coingecko: invalid price value in response")
 	}
 
 	priceStr := strconv.FormatFloat(price, 'f', -1, 64)
@@ -171,7 +171,7 @@ func (c *coingeckoConnector) FetchTicker(ctx context.Context, symbol string) (*m
 func parseSymbol(symbol string) (string, string, error) {
 	trimmed := strings.TrimSpace(symbol)
 	if trimmed == "" {
-		return "", "", fmerrors.New("coingecko: symbol is empty")
+		return "", "", merrors.InvalidArgument("coingecko: symbol is empty", "symbol")
 	}
 
 	parts := strings.FieldsFunc(strings.ToLower(trimmed), func(r rune) bool {
@@ -183,13 +183,13 @@ func parseSymbol(symbol string) (string, string, error) {
 	})
 
 	if len(parts) != 2 {
-		return "", "", fmerrors.New("coingecko: symbol must be <coin_id>/<vs_currency>")
+		return "", "", merrors.InvalidArgument("coingecko: symbol must be <coin_id>/<vs_currency>", "symbol")
 	}
 
 	coinID := strings.TrimSpace(parts[0])
 	vsCurrency := strings.TrimSpace(parts[1])
 	if coinID == "" || vsCurrency == "" {
-		return "", "", fmerrors.New("coingecko: symbol contains empty segments")
+		return "", "", merrors.InvalidArgument("coingecko: symbol contains empty segments", "symbol")
 	}
 
 	return coinID, vsCurrency, nil

api/fx/ingestor/internal/market/factory.go

@@ -5,10 +5,11 @@ import (
 	"strings"
 	"time"
 
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	"github.com/tech/sendico/fx/ingestor/internal/market/binance"
+	"github.com/tech/sendico/fx/ingestor/internal/market/cbr"
 	"github.com/tech/sendico/fx/ingestor/internal/market/coingecko"
 	mmodel "github.com/tech/sendico/fx/ingestor/internal/model"
+	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 	"github.com/tech/sendico/pkg/model"
 )
@@ -21,7 +22,7 @@ func BuildConnectors(logger mlogger.Logger, configs []model.DriverConfig[mmodel.
 	for _, cfg := range configs {
 		driver := mmodel.NormalizeDriver(cfg.Driver)
 		if driver.IsEmpty() {
-			return nil, fmerrors.New("market: connector driver is empty")
+			return nil, merrors.InvalidArgument("market: connector driver is empty", "driver")
 		}
 
 		var (
@@ -34,12 +35,14 @@ func BuildConnectors(logger mlogger.Logger, configs []model.DriverConfig[mmodel.
 			conn, err = binance.NewConnector(logger, cfg.Settings)
 		case mmodel.DriverCoinGecko:
 			conn, err = coingecko.NewConnector(logger, cfg.Settings)
+		case mmodel.DriverCBR:
+			conn, err = cbr.NewConnector(logger, cfg.Settings)
 		default:
-			err = fmerrors.New("market: unsupported driver " + driver.String())
+			err = merrors.InvalidArgument("market: unsupported driver "+driver.String(), "driver")
 		}
 
 		if err != nil {
-			return nil, fmerrors.Wrap("market: build connector "+driver.String(), err)
+			return nil, merrors.InternalWrap(err, "market: build connector "+driver.String())
 		}
 		connectors[driver] = conn
 	}

api/fx/ingestor/internal/metrics/server.go

@@ -8,12 +8,12 @@ import (
 	"time"
 
 	"github.com/go-chi/chi/v5"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/tech/sendico/fx/ingestor/internal/config"
-	"github.com/tech/sendico/fx/ingestor/internal/fmerrors"
 	"github.com/tech/sendico/pkg/api/routers"
 	"github.com/tech/sendico/pkg/api/routers/health"
+	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
-	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"go.uber.org/zap"
 )
 
@@ -30,7 +30,7 @@ type Server interface {
 
 func NewServer(logger mlogger.Logger, cfg *config.MetricsConfig) (Server, error) {
 	if logger == nil {
-		return nil, fmerrors.New("metrics: logger is nil")
+		return nil, merrors.InvalidArgument("metrics: logger is nil")
 	}
 	if cfg == nil || !cfg.Enabled {
 		logger.Debug("Metrics disabled; using noop server")

api/fx/ingestor/internal/model/connector.go

@@ -10,6 +10,7 @@ type Driver string
 const (
 	DriverBinance   Driver = "BINANCE"
 	DriverCoinGecko Driver = "COINGECKO"
+	DriverCBR       Driver = "CBR"
 )
 
 func (d Driver) String() string {

api/fx/ingestor/main.go

@@ -40,15 +40,15 @@ func main() {
 
 	application, err := app.New(logger, *configFile)
 	if err != nil {
-		logger.Fatal("Failed to initialise application", zap.Error(err))
+		logger.Error("Failed to initialise application", zap.Error(err))
-	}
+	} else {
-
+		if err := application.Run(ctx); err != nil {
-	if err := application.Run(ctx); err != nil {
+			if errors.Is(err, context.Canceled) {
-		if errors.Is(err, context.Canceled) {
+				logger.Info("FX ingestor stopped")
-			logger.Info("FX ingestor stopped")
+				return
-			return
+			}
+			logger.Error("Ingestor terminated with error", zap.Error(err))
 		}
-		logger.Fatal("Ingestor terminated with error", zap.Error(err))
 	}
 
 	logger.Info("FX ingestor stopped")

api/fx/oracle/client/client.go

@@ -3,11 +3,11 @@ package client
 import (
 	"context"
 	"crypto/tls"
-	"errors"
 	"fmt"
 	"strings"
 	"time"
 
+	"github.com/tech/sendico/pkg/merrors"
 	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
 	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
 	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
@@ -88,7 +88,7 @@ type oracleClient struct {
 func New(ctx context.Context, cfg Config, opts ...grpc.DialOption) (Client, error) {
 	cfg.setDefaults()
 	if strings.TrimSpace(cfg.Address) == "" {
-		return nil, errors.New("oracle: address is required")
+		return nil, merrors.InvalidArgument("oracle: address is required")
 	}
 
 	dialCtx, cancel := context.WithTimeout(ctx, cfg.DialTimeout)
@@ -105,7 +105,7 @@ func New(ctx context.Context, cfg Config, opts ...grpc.DialOption) (Client, erro
 
 	conn, err := grpc.DialContext(dialCtx, cfg.Address, dialOpts...)
 	if err != nil {
-		return nil, fmt.Errorf("oracle: dial %s: %w", cfg.Address, err)
+		return nil, merrors.InternalWrap(err, fmt.Sprintf("oracle: dial %s", cfg.Address))
 	}
 
 	return &oracleClient{
@@ -133,7 +133,7 @@ func (c *oracleClient) Close() error {
 
 func (c *oracleClient) LatestRate(ctx context.Context, req LatestRateParams) (*RateSnapshot, error) {
 	if req.Pair == nil {
-		return nil, errors.New("oracle: pair is required")
+		return nil, merrors.InvalidArgument("oracle: pair is required")
 	}
 
 	callCtx, cancel := c.callContext(ctx)
@@ -145,26 +145,26 @@ func (c *oracleClient) LatestRate(ctx context.Context, req LatestRateParams) (*R
 		Provider: req.Provider,
 	})
 	if err != nil {
-		return nil, fmt.Errorf("oracle: latest rate: %w", err)
+		return nil, merrors.InternalWrap(err, "oracle: latest rate")
 	}
 	if resp.GetRate() == nil {
-		return nil, errors.New("oracle: latest rate: empty payload")
+		return nil, merrors.Internal("oracle: latest rate: empty payload")
 	}
 	return fromProtoRate(resp.GetRate()), nil
 }
 
 func (c *oracleClient) GetQuote(ctx context.Context, req GetQuoteParams) (*Quote, error) {
 	if req.Pair == nil {
-		return nil, errors.New("oracle: pair is required")
+		return nil, merrors.InvalidArgument("oracle: pair is required")
 	}
 	if req.Side == fxv1.Side_SIDE_UNSPECIFIED {
-		return nil, errors.New("oracle: side is required")
+		return nil, merrors.InvalidArgument("oracle: side is required")
 	}
 
 	baseSupplied := req.BaseAmount != nil
 	quoteSupplied := req.QuoteAmount != nil
 	if baseSupplied == quoteSupplied {
-		return nil, errors.New("oracle: exactly one of base_amount or quote_amount must be set")
+		return nil, merrors.InvalidArgument("oracle: exactly one of base_amount or quote_amount must be set")
 	}
 
 	callCtx, cancel := c.callContext(ctx)
@@ -191,10 +191,10 @@ func (c *oracleClient) GetQuote(ctx context.Context, req GetQuoteParams) (*Quote
 
 	resp, err := c.client.GetQuote(callCtx, protoReq)
 	if err != nil {
-		return nil, fmt.Errorf("oracle: get quote: %w", err)
+		return nil, merrors.InternalWrap(err, "oracle: get quote")
 	}
 	if resp.GetQuote() == nil {
-		return nil, errors.New("oracle: get quote: empty payload")
+		return nil, merrors.Internal("oracle: get quote: empty payload")
 	}
 	return fromProtoQuote(resp.GetQuote()), nil
 }

api/fx/oracle/go.mod

@@ -12,43 +12,43 @@ require (
 	github.com/tech/sendico/fx/storage v0.0.0
 	github.com/tech/sendico/pkg v0.1.0
 	go.mongodb.org/mongo-driver v1.17.6
-	go.uber.org/zap v1.27.0
+	go.uber.org/zap v1.27.1
-	google.golang.org/grpc v1.76.0
+	google.golang.org/grpc v1.77.0
-	google.golang.org/protobuf v1.36.10
+	google.golang.org/protobuf v1.36.11
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect
-	github.com/casbin/casbin/v2 v2.132.0 // indirect
+	github.com/casbin/casbin/v2 v2.135.0 // indirect
 	github.com/casbin/govaluate v1.10.0 // indirect
 	github.com/casbin/mongodb-adapter/v3 v3.7.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/go-chi/chi/v5 v5.2.3 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
+	github.com/klauspost/compress v1.18.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/nats-io/nats.go v1.47.0 // indirect
+	github.com/nats-io/nats.go v1.48.0 // indirect
-	github.com/nats-io/nkeys v0.4.11 // indirect
+	github.com/nats-io/nkeys v0.4.12 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.67.2 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
-	golang.org/x/crypto v0.44.0 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 // indirect
 )

api/fx/oracle/go.sum

@@ -9,8 +9,8 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE=
 github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
-github.com/casbin/casbin/v2 v2.132.0 h1:73hGmOszGSL3hTVquwkAi98XLl3gPJ+BxB6D7G9Fxtk=
+github.com/casbin/casbin/v2 v2.135.0 h1:6BLkMQiGotYyS5yYeWgW19vxqugUlvHFkFiLnLR/bxk=
-github.com/casbin/casbin/v2 v2.132.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
+github.com/casbin/casbin/v2 v2.135.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
 github.com/casbin/govaluate v1.3.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
 github.com/casbin/govaluate v1.10.0 h1:ffGw51/hYH3w3rZcxO/KcaUIDOLP84w7nsidMVgaDG0=
 github.com/casbin/govaluate v1.10.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
@@ -59,8 +59,8 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
+github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
-github.com/klauspost/compress v1.18.1/go.mod h1:ZQFFVG+MdnR0P+l6wpXgIL4NTtwiKIdBnrBd8Nrxr+0=
+github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -95,10 +95,10 @@ github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
 github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/nats-io/nats.go v1.47.0 h1:YQdADw6J/UfGUd2Oy6tn4Hq6YHxCaJrVKayxxFqYrgM=
+github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.47.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
+github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
-github.com/nats-io/nkeys v0.4.11 h1:q44qGV008kYd9W1b1nEBkNzvnWxtRSQ7A8BoqRrcfa0=
+github.com/nats-io/nkeys v0.4.12 h1:nssm7JKOG9/x4J8II47VWCL1Ds29avyiQDRn0ckMvDc=
-github.com/nats-io/nkeys v0.4.11/go.mod h1:szDimtgmfOi9n25JpfIdGw12tZFYXqhGxjhVxsatHVE=
+github.com/nats-io/nkeys v0.4.12/go.mod h1:MT59A1HYcjIcyQDJStTfaOY6vhy9XTUjOFo+SVsvpBg=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
@@ -115,8 +115,8 @@ github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h
 github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
 github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
-github.com/prometheus/common v0.67.2 h1:PcBAckGFTIHt2+L3I33uNRTlKTplNzFctXcWhPyAEN8=
+github.com/prometheus/common v0.67.4 h1:yR3NqWO1/UyO1w2PhUvXlGQs/PtFmoveVO0KZ4+Lvsc=
-github.com/prometheus/common v0.67.2/go.mod h1:63W3KZb1JOKgcjlIr64WW/LvFGAqKPj0atm+knVGEko=
+github.com/prometheus/common v0.67.4/go.mod h1:gP0fq6YjjNCLssJCQp0yk4M8W6ikLURwkdd/YKtTbyI=
 github.com/prometheus/procfs v0.19.2 h1:zUMhqEW66Ex7OXIiDkll3tl9a1ZdilUOd/F6ZXw4Vws=
 github.com/prometheus/procfs v0.19.2/go.mod h1:M0aotyiemPhBCM0z5w87kL22CxfcH05ZpYlu+b4J7mw=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
@@ -141,8 +141,8 @@ github.com/tklauser/numcpus v0.10.0 h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfj
 github.com/tklauser/numcpus v0.10.0/go.mod h1:BiTKazU708GQTYF4mB+cmlpT2Is1gLk7XVuEeem8LsQ=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
+github.com/xdg-go/scram v1.2.0 h1:bYKF2AEwG5rqd1BumT4gAnvwU/M9nBp2pTSxeZw7Wvs=
-github.com/xdg-go/scram v1.1.2/go.mod h1:RT/sEzTbU5y00aCK8UOx6R7YryM0iF1N2MOmC3kKLN4=
+github.com/xdg-go/scram v1.2.0/go.mod h1:3dlrS0iBaWKYVt2ZfA4cj48umJZ+cAEbR6/SjLA88I8=
 github.com/xdg-go/stringprep v1.0.4 h1:XLI/Ng3O1Atzq0oBs3TWm+5ZVgkq2aqdlvP9JtoZ6c8=
 github.com/xdg-go/stringprep v1.0.4/go.mod h1:mPGuuIYwz7CmR2bT9j4GbQqutWS1zV24gijq1dTyGkM=
 github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 h1:ilQV1hzziu+LLM3zUTJ0trRztfwgjqKnBWNtSRkbmwM=
@@ -152,59 +152,59 @@ github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.mongodb.org/mongo-driver v1.17.6 h1:87JUG1wZfWsr6rIz3ZmpH90rL5tea7O3IHuSwHUpsss=
 go.mongodb.org/mongo-driver v1.17.6/go.mod h1:Hy04i7O2kC4RS06ZrhPRqj/u4DTYkFDAAccj+rVKqgQ=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 h1:UP6IpuHFkUgOQL9FFQFrZ+5LiwhhYRbi7VZSIx6Nj5s=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0/go.mod h1:qxuZLtbq5QDtdeSHsS7bcf6EH6uO6jUAgk764zd3rhM=
-go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
+go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
-go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
-go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
+go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
-go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
+go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
-go.opentelemetry.io/otel/sdk v1.37.0 h1:ItB0QUqnjesGRvNcmAcU0LyvkVyGJ2xftD29bWdDvKI=
+go.opentelemetry.io/otel/sdk v1.38.0 h1:l48sr5YbNf2hpCUj/FoGhW9yDkl+Ma+LrVl8qaM5b+E=
-go.opentelemetry.io/otel/sdk v1.37.0/go.mod h1:VredYzxUvuo2q3WRcDnKDjbdvmO0sCzOvVAiY+yUkAg=
+go.opentelemetry.io/otel/sdk v1.38.0/go.mod h1:ghmNdGlVemJI3+ZB5iDEuk4bWA3GkTpW+DOoZMYBVVg=
-go.opentelemetry.io/otel/sdk/metric v1.37.0 h1:90lI228XrB9jCMuSdA0673aubgRobVZFhbjxHHspCPc=
+go.opentelemetry.io/otel/sdk/metric v1.38.0 h1:aSH66iL0aZqo//xXzQLYozmWrXxyFkBJ6qT5wthqPoM=
-go.opentelemetry.io/otel/sdk/metric v1.37.0/go.mod h1:cNen4ZWfiD37l5NhS+Keb5RXVWZWpRE+9WyVCpbo5ps=
+go.opentelemetry.io/otel/sdk/metric v1.38.0/go.mod h1:dg9PBnW9XdQ1Hd6ZnRz689CbtrUp0wMMs9iPcgT9EZA=
-go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
+go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
-go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
+go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
-go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc=
-go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
 go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.44.0 h1:A97SsFvM3AIwEEmTBiaxPPTYpDC47w720rdiiUvgoAU=
+golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
-golang.org/x/crypto v0.44.0/go.mod h1:013i+Nw79BMiQiMsOPcVCB5ZIJbYkerPrGnOa00tvmc=
+golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -212,12 +212,12 @@ golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba h1:UKgtfRM7Yh93Sya0Fo8ZzhDP4qBckrrxEr2oF5UIVb8=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 h1:2I6GHUeJ/4shcDpoUlLs/2WPnhg7yJwvXtqcMJt9liA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
-google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
+google.golang.org/grpc v1.77.0 h1:wVVY6/8cGA6vvffn+wWK5ToddbgdU3d8MNENr4evgXM=
-google.golang.org/grpc v1.76.0/go.mod h1:Ju12QI8M6iQJtbcsV+awF5a4hfJMLi4X0JLo94ULZ6c=
+google.golang.org/grpc v1.77.0/go.mod h1:z0BY1iVj0q8E1uSQCjL9cppRj+gnZjzDnzV0dHhrNig=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

api/fx/oracle/internal/service/oracle/calculator.go

@@ -8,9 +8,9 @@ import (
 	"github.com/google/uuid"
 	"github.com/tech/sendico/fx/storage/model"
 	"github.com/tech/sendico/pkg/merrors"
+	smodel "github.com/tech/sendico/pkg/model"
 	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
 	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
-	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
 	oraclev1 "github.com/tech/sendico/pkg/proto/oracle/v1"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 )
@@ -138,11 +138,11 @@ func (qc *quoteComputation) buildModelQuote(firm bool, expiryMillis int64, req *
 		Pair:     qc.pair.Pair,
 		Side:     qc.sideModel,
 		Price:    formatRat(qc.priceRounded, qc.priceScale),
-		BaseAmount: model.Money{
+		BaseAmount: smodel.Money{
 			Currency: qc.pair.Pair.Base,
 			Amount:   formatRat(qc.baseRounded, qc.baseScale),
 		},
-		QuoteAmount: model.Money{
+		QuoteAmount: smodel.Money{
 			Currency: qc.pair.Pair.Quote,
 			Amount:   formatRat(qc.quoteRounded, qc.quoteScale),
 		},
@@ -170,10 +170,13 @@ func buildQuoteMeta(meta *oraclev1.RequestMeta) *model.QuoteMeta {
 	}
 	trace := meta.GetTrace()
 	qm := &model.QuoteMeta{
-		RequestRef:     deriveRequestRef(meta, trace),
+		TenantRef: meta.GetTenantRef(),
-		TenantRef:      meta.GetTenantRef(),
+	}
-		TraceRef:       deriveTraceRef(meta, trace),
+
-		IdempotencyKey: deriveIdempotencyKey(meta, trace),
+	if trace != nil {
+		qm.RequestRef = trace.GetRequestRef()
+		qm.TraceRef = trace.GetTraceRef()
+		qm.IdempotencyKey = trace.GetIdempotencyKey()
 	}
 	if org := strings.TrimSpace(meta.GetOrganizationRef()); org != "" {
 		if objID, err := primitive.ObjectIDFromHex(org); err == nil {
@@ -200,24 +203,3 @@ func computeExpiry(now time.Time, ttlMs int64) (int64, error) {
 	}
 	return now.Add(time.Duration(ttlMs) * time.Millisecond).UnixMilli(), nil
 }
-
-func deriveRequestRef(meta *oraclev1.RequestMeta, trace *tracev1.TraceContext) string {
-	if trace != nil && trace.GetRequestRef() != "" {
-		return trace.GetRequestRef()
-	}
-	return meta.GetRequestRef()
-}
-
-func deriveTraceRef(meta *oraclev1.RequestMeta, trace *tracev1.TraceContext) string {
-	if trace != nil && trace.GetTraceRef() != "" {
-		return trace.GetTraceRef()
-	}
-	return meta.GetTraceRef()
-}
-
-func deriveIdempotencyKey(meta *oraclev1.RequestMeta, trace *tracev1.TraceContext) string {
-	if trace != nil && trace.GetIdempotencyKey() != "" {
-		return trace.GetIdempotencyKey()
-	}
-	return meta.GetIdempotencyKey()
-}

api/fx/oracle/internal/service/oracle/logging.go

@@ -0,0 +1,90 @@
+package oracle
+
+import (
+	"strings"
+
+	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
+	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
+	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
+	oraclev1 "github.com/tech/sendico/pkg/proto/oracle/v1"
+	"go.uber.org/zap"
+)
+
+func quoteRequestFields(req *oraclev1.GetQuoteRequest) []zap.Field {
+	if req == nil {
+		return nil
+	}
+	fields := requestMetaFields(req.GetMeta())
+	if pair := req.GetPair(); pair != nil {
+		if base := strings.TrimSpace(pair.GetBase()); base != "" {
+			fields = append(fields, zap.String("pair_base", base))
+		}
+		if quote := strings.TrimSpace(pair.GetQuote()); quote != "" {
+			fields = append(fields, zap.String("pair_quote", quote))
+		}
+	}
+	if side := req.GetSide(); side != fxv1.Side_SIDE_UNSPECIFIED {
+		fields = append(fields, zap.String("side", side.String()))
+	}
+	if req.GetFirm() {
+		fields = append(fields, zap.Bool("firm", req.GetFirm()))
+	}
+	if ttl := req.GetTtlMs(); ttl > 0 {
+		fields = append(fields, zap.Int64("ttl_ms", ttl))
+	}
+	if maxAge := req.GetMaxAgeMs(); maxAge > 0 {
+		fields = append(fields, zap.Int32("max_age_ms", maxAge))
+	}
+	if provider := strings.TrimSpace(req.GetPreferredProvider()); provider != "" {
+		fields = append(fields, zap.String("preferred_provider", provider))
+	}
+	fields = append(fields, moneyFields("base_amount", req.GetBaseAmount())...)
+	fields = append(fields, moneyFields("quote_amount", req.GetQuoteAmount())...)
+	return fields
+}
+
+func requestMetaFields(meta *oraclev1.RequestMeta) []zap.Field {
+	if meta == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 4)
+	if org := strings.TrimSpace(meta.GetOrganizationRef()); org != "" {
+		fields = append(fields, zap.String("organization_ref", org))
+	}
+	if tenant := strings.TrimSpace(meta.GetTenantRef()); tenant != "" {
+		fields = append(fields, zap.String("tenant_ref", tenant))
+	}
+	fields = append(fields, traceFields(meta.GetTrace())...)
+	return fields
+}
+
+func moneyFields(prefix string, money *moneyv1.Money) []zap.Field {
+	if money == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 2)
+	if amt := strings.TrimSpace(money.GetAmount()); amt != "" {
+		fields = append(fields, zap.String(prefix, amt))
+	}
+	if ccy := strings.TrimSpace(money.GetCurrency()); ccy != "" {
+		fields = append(fields, zap.String(prefix+"_currency", ccy))
+	}
+	return fields
+}
+
+func traceFields(trace *tracev1.TraceContext) []zap.Field {
+	if trace == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 3)
+	if ref := strings.TrimSpace(trace.GetTraceRef()); ref != "" {
+		fields = append(fields, zap.String("trace_ref", ref))
+	}
+	if idem := strings.TrimSpace(trace.GetIdempotencyKey()); idem != "" {
+		fields = append(fields, zap.String("idempotency_key", idem))
+	}
+	if req := strings.TrimSpace(trace.GetRequestRef()); req != "" {
+		fields = append(fields, zap.String("request_ref", req))
+	}
+	return fields
+}

api/fx/oracle/internal/service/oracle/math.go

@@ -3,7 +3,6 @@ package oracle
 import (
 	"math/big"
 	"strings"
-	"time"
 
 	"github.com/tech/sendico/fx/storage/model"
 	"github.com/tech/sendico/pkg/decimal"
@@ -61,7 +60,3 @@ func priceFromRate(rate *model.RateSnapshot, side fxv1.Side) (*big.Rat, error) {
 
 	return ratFromString(priceStr)
 }
-
-func timeFromUnixMilli(ms int64) time.Time {
-	return time.Unix(0, ms*int64(time.Millisecond))
-}

api/fx/oracle/internal/service/oracle/service.go

@@ -101,22 +101,27 @@ func (s *Service) getQuoteResponder(ctx context.Context, req *oraclev1.GetQuoteR
 	if req == nil {
 		req = &oraclev1.GetQuoteRequest{}
 	}
-	s.logger.Debug("Handling GetQuote", zap.String("pair", req.GetPair().GetBase()+"/"+req.GetPair().GetQuote()), zap.Bool("firm", req.GetFirm()))
+	logger := s.logger.With(quoteRequestFields(req)...)
+	logger.Debug("Handling GetQuote")
 	if req.GetSide() == fxv1.Side_SIDE_UNSPECIFIED {
+		logger.Warn("GetQuote invalid: side missing")
 		return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, errSideRequired)
 	}
 	if req.GetBaseAmount() != nil && req.GetQuoteAmount() != nil {
+		logger.Warn("GetQuote invalid: both base_amount and quote_amount provided")
 		return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, errAmountsMutuallyExclusive)
 	}
 	if req.GetBaseAmount() == nil && req.GetQuoteAmount() == nil {
+		logger.Warn("GetQuote invalid: amount missing")
 		return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, errAmountRequired)
 	}
 	if err := s.pingStorage(ctx); err != nil {
-		s.logger.Warn("Storage unavailable during GetQuote", zap.Error(err))
+		logger.Warn("Storage unavailable during GetQuote", zap.Error(err))
 		return gsresponse.Unavailable[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 	}
 	pairMsg := req.GetPair()
 	if pairMsg == nil || strings.TrimSpace(pairMsg.GetBase()) == "" || strings.TrimSpace(pairMsg.GetQuote()) == "" {
+		logger.Warn("GetQuote invalid: pair missing")
 		return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, errEmptyRequest)
 	}
 	pairKey := model.CurrencyPair{Base: strings.ToUpper(pairMsg.GetBase()), Quote: strings.ToUpper(pairMsg.GetQuote())}
@@ -125,8 +130,10 @@ func (s *Service) getQuoteResponder(ctx context.Context, req *oraclev1.GetQuoteR
 	if err != nil {
 		switch {
 		case errors.Is(err, merrors.ErrNoData):
+			logger.Warn("pair not supported", zap.String("pair", pairKey.Base+"/"+pairKey.Quote))
 			return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, merrors.InvalidArgument("pair_not_supported"))
 		default:
+			logger.Warn("GetQuote failed to load pair", zap.Error(err))
 			return gsresponse.Internal[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
@@ -143,8 +150,10 @@ func (s *Service) getQuoteResponder(ctx context.Context, req *oraclev1.GetQuoteR
 	if err != nil {
 		switch {
 		case errors.Is(err, merrors.ErrNoData):
+			logger.Warn("rate not found", zap.String("pair", pairKey.Base+"/"+pairKey.Quote), zap.String("provider", provider))
 			return gsresponse.FailedPrecondition[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, "rate_not_found", err)
 		default:
+			logger.Warn("GetQuote failed to load rate", zap.Error(err), zap.String("pair", pairKey.Base+"/"+pairKey.Quote), zap.String("provider", provider))
 			return gsresponse.Internal[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
@@ -153,27 +162,31 @@ func (s *Service) getQuoteResponder(ctx context.Context, req *oraclev1.GetQuoteR
 	if maxAge := req.GetMaxAgeMs(); maxAge > 0 {
 		age := now.UnixMilli() - rate.AsOfUnixMs
 		if age > int64(maxAge) {
-			s.logger.Warn("Rate snapshot stale", zap.Int64("age_ms", age), zap.Int32("max_age_ms", req.GetMaxAgeMs()), zap.String("pair", pairKey.Base+"/"+pairKey.Quote), zap.String("provider", provider))
+			logger.Warn("Rate snapshot stale", zap.Int64("age_ms", age), zap.Int32("max_age_ms", req.GetMaxAgeMs()), zap.String("pair", pairKey.Base+"/"+pairKey.Quote), zap.String("provider", provider))
 			return gsresponse.FailedPrecondition[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, "stale_rate", merrors.InvalidArgument("rate older than allowed window"))
 		}
 	}
 
 	comp, err := newQuoteComputation(pair, rate, req.GetSide(), provider)
 	if err != nil {
+		logger.Warn("GetQuote invalid input", zap.Error(err))
 		return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 	}
 
 	if req.GetBaseAmount() != nil {
 		if err := comp.withBaseInput(req.GetBaseAmount()); err != nil {
+			logger.Warn("GetQuote invalid base input", zap.Error(err))
 			return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 		}
 	} else if req.GetQuoteAmount() != nil {
 		if err := comp.withQuoteInput(req.GetQuoteAmount()); err != nil {
+			logger.Warn("GetQuote invalid quote input", zap.Error(err))
 			return gsresponse.InvalidArgument[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
 
 	if err := comp.compute(); err != nil {
+		logger.Warn("GetQuote computation failed", zap.Error(err))
 		return gsresponse.Internal[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 	}
 
@@ -195,12 +208,14 @@ func (s *Service) getQuoteResponder(ctx context.Context, req *oraclev1.GetQuoteR
 		if err := s.storage.Quotes().Issue(ctx, quoteModel); err != nil {
 			switch {
 			case errors.Is(err, merrors.ErrDataConflict):
+				logger.Warn("GetQuote conflict issuing firm quote", zap.Error(err), zap.String("quote_ref", quoteModel.QuoteRef))
 				return gsresponse.Conflict[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 			default:
+				logger.Warn("GetQuote failed to issue firm quote", zap.Error(err), zap.String("quote_ref", quoteModel.QuoteRef))
 				return gsresponse.Internal[oraclev1.GetQuoteResponse](s.logger, mservice.FXOracle, err)
 			}
 		}
-		s.logger.Info("Firm quote stored", zap.String("quote_ref", quoteModel.QuoteRef), zap.String("pair", pairKey.Base+"/"+pairKey.Quote), zap.String("provider", quoteModel.Provider), zap.Int64("expires_at_ms", quoteModel.ExpiresAtUnixMs))
+		logger.Info("Firm quote stored", zap.String("quote_ref", quoteModel.QuoteRef), zap.String("pair", pairKey.Base+"/"+pairKey.Quote), zap.String("provider", quoteModel.Provider), zap.Int64("expires_at_ms", quoteModel.ExpiresAtUnixMs))
 	}
 
 	resp := &oraclev1.GetQuoteResponse{
@@ -214,18 +229,24 @@ func (s *Service) validateQuoteResponder(ctx context.Context, req *oraclev1.Vali
 	if req == nil {
 		req = &oraclev1.ValidateQuoteRequest{}
 	}
-	s.logger.Debug("Handling ValidateQuote", zap.String("quote_ref", req.GetQuoteRef()))
+	logger := s.logger.With(requestMetaFields(req.GetMeta())...)
+	if ref := strings.TrimSpace(req.GetQuoteRef()); ref != "" {
+		logger = logger.With(zap.String("quote_ref", ref))
+	}
+	logger.Debug("Handling ValidateQuote")
 	if req.GetQuoteRef() == "" {
+		logger.Warn("ValidateQuote invalid: quote_ref missing")
 		return gsresponse.InvalidArgument[oraclev1.ValidateQuoteResponse](s.logger, mservice.FXOracle, errQuoteRefRequired)
 	}
 	if err := s.pingStorage(ctx); err != nil {
-		s.logger.Warn("Storage unavailable during ValidateQuote", zap.Error(err))
+		logger.Warn("Storage unavailable during ValidateQuote", zap.Error(err))
 		return gsresponse.Unavailable[oraclev1.ValidateQuoteResponse](s.logger, mservice.FXOracle, err)
 	}
 	quote, err := s.storage.Quotes().GetByRef(ctx, req.GetQuoteRef())
 	if err != nil {
 		switch {
 		case errors.Is(err, merrors.ErrNoData):
+			logger.Warn("ValidateQuote: quote not found", zap.String("quote_ref", req.GetQuoteRef()))
 			resp := &oraclev1.ValidateQuoteResponse{
 				Meta:   buildResponseMeta(req.GetMeta()),
 				Quote:  nil,
@@ -234,6 +255,7 @@ func (s *Service) validateQuoteResponder(ctx context.Context, req *oraclev1.Vali
 			}
 			return gsresponse.Success(resp)
 		default:
+			logger.Warn("ValidateQuote failed", zap.Error(err))
 			return gsresponse.Internal[oraclev1.ValidateQuoteResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
@@ -255,6 +277,11 @@ func (s *Service) validateQuoteResponder(ctx context.Context, req *oraclev1.Vali
 		Valid:  valid,
 		Reason: reason,
 	}
+	if !valid {
+		logger.Info("ValidateQuote invalid", zap.String("reason", reason), zap.Bool("firm", quote.Firm))
+	} else {
+		logger.Debug("ValidateQuote valid", zap.Bool("firm", quote.Firm))
+	}
 	return gsresponse.Success(resp)
 }
 
@@ -262,29 +289,43 @@ func (s *Service) consumeQuoteResponder(ctx context.Context, req *oraclev1.Consu
 	if req == nil {
 		req = &oraclev1.ConsumeQuoteRequest{}
 	}
-	s.logger.Debug("Handling ConsumeQuote", zap.String("quote_ref", req.GetQuoteRef()), zap.String("ledger_txn_ref", req.GetLedgerTxnRef()))
+	logger := s.logger.With(requestMetaFields(req.GetMeta())...)
+	if ref := strings.TrimSpace(req.GetQuoteRef()); ref != "" {
+		logger = logger.With(zap.String("quote_ref", ref))
+	}
+	if ledger := strings.TrimSpace(req.GetLedgerTxnRef()); ledger != "" {
+		logger = logger.With(zap.String("ledger_txn_ref", ledger))
+	}
+	logger.Debug("Handling ConsumeQuote")
 	if req.GetQuoteRef() == "" {
+		logger.Warn("ConsumeQuote invalid: quote_ref missing")
 		return gsresponse.InvalidArgument[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, errQuoteRefRequired)
 	}
 	if req.GetLedgerTxnRef() == "" {
+		logger.Warn("ConsumeQuote invalid: ledger_txn_ref missing")
 		return gsresponse.InvalidArgument[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, errLedgerTxnRefRequired)
 	}
 	if err := s.pingStorage(ctx); err != nil {
-		s.logger.Warn("Storage unavailable during ConsumeQuote", zap.Error(err))
+		logger.Warn("Storage unavailable during ConsumeQuote", zap.Error(err))
 		return gsresponse.Unavailable[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, err)
 	}
 	_, err := s.storage.Quotes().Consume(ctx, req.GetQuoteRef(), req.GetLedgerTxnRef(), time.Now())
 	if err != nil {
 		switch {
 		case errors.Is(err, storage.ErrQuoteExpired):
+			logger.Warn("ConsumeQuote failed: expired")
 			return gsresponse.FailedPrecondition[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, "expired", err)
 		case errors.Is(err, storage.ErrQuoteConsumed):
+			logger.Warn("ConsumeQuote failed: already consumed")
 			return gsresponse.FailedPrecondition[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, "consumed", err)
 		case errors.Is(err, storage.ErrQuoteNotFirm):
+			logger.Warn("ConsumeQuote failed: quote not firm")
 			return gsresponse.FailedPrecondition[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, "not_firm", err)
 		case errors.Is(err, merrors.ErrNoData):
+			logger.Warn("ConsumeQuote failed: quote not found")
 			return gsresponse.NotFound[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, err)
 		default:
+			logger.Warn("ConsumeQuote failed", zap.Error(err))
 			return gsresponse.Internal[oraclev1.ConsumeQuoteResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
@@ -294,7 +335,7 @@ func (s *Service) consumeQuoteResponder(ctx context.Context, req *oraclev1.Consu
 		Consumed: true,
 		Reason:   "consumed",
 	}
-	s.logger.Debug("Quote consumed", zap.String("quote_ref", req.GetQuoteRef()), zap.String("ledger_txn_ref", req.GetLedgerTxnRef()))
+	logger.Info("Quote consumed")
 	return gsresponse.Success(resp)
 }
 
@@ -302,13 +343,21 @@ func (s *Service) latestRateResponder(ctx context.Context, req *oraclev1.LatestR
 	if req == nil {
 		req = &oraclev1.LatestRateRequest{}
 	}
-	s.logger.Debug("Handling LatestRate", zap.String("pair", req.GetPair().GetBase()+"/"+req.GetPair().GetQuote()))
+	logger := s.logger.With(requestMetaFields(req.GetMeta())...)
+	if pair := req.GetPair(); pair != nil {
+		logger = logger.With(zap.String("pair_base", strings.TrimSpace(pair.GetBase())), zap.String("pair_quote", strings.TrimSpace(pair.GetQuote())))
+	}
+	if provider := strings.TrimSpace(req.GetProvider()); provider != "" {
+		logger = logger.With(zap.String("provider", provider))
+	}
+	logger.Debug("Handling LatestRate")
 	if err := s.pingStorage(ctx); err != nil {
-		s.logger.Warn("Storage unavailable during LatestRate", zap.Error(err))
+		logger.Warn("Storage unavailable during LatestRate", zap.Error(err))
 		return gsresponse.Unavailable[oraclev1.LatestRateResponse](s.logger, mservice.FXOracle, err)
 	}
 	pairMsg := req.GetPair()
 	if pairMsg == nil || strings.TrimSpace(pairMsg.GetBase()) == "" || strings.TrimSpace(pairMsg.GetQuote()) == "" {
+		logger.Warn("LatestRate invalid: pair missing")
 		return gsresponse.InvalidArgument[oraclev1.LatestRateResponse](s.logger, mservice.FXOracle, errEmptyRequest)
 	}
 	pair := model.CurrencyPair{Base: strings.ToUpper(pairMsg.GetBase()), Quote: strings.ToUpper(pairMsg.GetQuote())}
@@ -317,8 +366,10 @@ func (s *Service) latestRateResponder(ctx context.Context, req *oraclev1.LatestR
 	if err != nil {
 		switch {
 		case errors.Is(err, merrors.ErrNoData):
+			logger.Warn("LatestRate pair not found")
 			return gsresponse.NotFound[oraclev1.LatestRateResponse](s.logger, mservice.FXOracle, err)
 		default:
+			logger.Warn("LatestRate failed to load pair", zap.Error(err))
 			return gsresponse.Internal[oraclev1.LatestRateResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
@@ -335,8 +386,10 @@ func (s *Service) latestRateResponder(ctx context.Context, req *oraclev1.LatestR
 	if err != nil {
 		switch {
 		case errors.Is(err, merrors.ErrNoData):
+			logger.Warn("LatestRate not found", zap.String("provider", provider))
 			return gsresponse.NotFound[oraclev1.LatestRateResponse](s.logger, mservice.FXOracle, err)
 		default:
+			logger.Warn("LatestRate failed", zap.Error(err))
 			return gsresponse.Internal[oraclev1.LatestRateResponse](s.logger, mservice.FXOracle, err)
 		}
 	}
@@ -345,6 +398,7 @@ func (s *Service) latestRateResponder(ctx context.Context, req *oraclev1.LatestR
 		Meta: buildResponseMeta(req.GetMeta()),
 		Rate: rateModelToProto(rate),
 	}
+	logger.Debug("LatestRate succeeded", zap.String("provider", provider), zap.Int64("asof_unix_ms", rate.AsOfUnixMs))
 	return gsresponse.Success(resp)
 }
 
@@ -352,13 +406,15 @@ func (s *Service) listPairsResponder(ctx context.Context, req *oraclev1.ListPair
 	if req == nil {
 		req = &oraclev1.ListPairsRequest{}
 	}
-	s.logger.Debug("Handling ListPairs")
+	logger := s.logger.With(requestMetaFields(req.GetMeta())...)
+	logger.Debug("Handling ListPairs")
 	if err := s.pingStorage(ctx); err != nil {
-		s.logger.Warn("Storage unavailable during ListPairs", zap.Error(err))
+		logger.Warn("Storage unavailable during ListPairs", zap.Error(err))
 		return gsresponse.Unavailable[oraclev1.ListPairsResponse](s.logger, mservice.FXOracle, err)
 	}
 	pairs, err := s.storage.Pairs().ListEnabled(ctx)
 	if err != nil {
+		logger.Warn("ListPairs failed", zap.Error(err))
 		return gsresponse.Internal[oraclev1.ListPairsResponse](s.logger, mservice.FXOracle, err)
 	}
 	result := make([]*oraclev1.PairMeta, 0, len(pairs))
@@ -369,7 +425,7 @@ func (s *Service) listPairsResponder(ctx context.Context, req *oraclev1.ListPair
 		Meta:  buildResponseMeta(req.GetMeta()),
 		Pairs: result,
 	}
-	s.logger.Debug("ListPairs returning metadata", zap.Int("pairs", len(resp.GetPairs())))
+	logger.Debug("ListPairs returning metadata", zap.Int("pairs", len(resp.GetPairs())))
 	return gsresponse.Success(resp)
 }
 

api/fx/oracle/internal/service/oracle/service_test.go

@@ -9,6 +9,7 @@ import (
 	"github.com/tech/sendico/fx/storage"
 	"github.com/tech/sendico/fx/storage/model"
 	"github.com/tech/sendico/pkg/merrors"
+	smodel "github.com/tech/sendico/pkg/model"
 	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
 	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
 	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
@@ -381,8 +382,8 @@ func TestServiceValidateQuote(t *testing.T) {
 					Pair:            model.CurrencyPair{Base: "USD", Quote: "EUR"},
 					Side:            model.QuoteSideBuyBaseSellQuote,
 					Price:           "1.10",
-					BaseAmount:      model.Money{Currency: "USD", Amount: "100"},
+					BaseAmount:      smodel.Money{Currency: "USD", Amount: "100"},
-					QuoteAmount:     model.Money{Currency: "EUR", Amount: "110"},
+					QuoteAmount:     smodel.Money{Currency: "EUR", Amount: "110"},
 					ExpiresAtUnixMs: now.UnixMilli(),
 					Status:          model.QuoteStatusIssued,
 				}, nil

api/fx/oracle/internal/service/oracle/transform.go

@@ -4,9 +4,9 @@ import (
 	"strings"
 
 	"github.com/tech/sendico/fx/storage/model"
+	smodel "github.com/tech/sendico/pkg/model"
 	fxv1 "github.com/tech/sendico/pkg/proto/common/fx/v1"
 	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
-	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
 	oraclev1 "github.com/tech/sendico/pkg/proto/oracle/v1"
 )
 
@@ -15,18 +15,11 @@ func buildResponseMeta(meta *oraclev1.RequestMeta) *oraclev1.ResponseMeta {
 	if meta == nil {
 		return resp
 	}
-	resp.RequestRef = meta.GetRequestRef()
-	resp.TraceRef = meta.GetTraceRef()
 
 	trace := meta.GetTrace()
-	if trace == nil {
+	if trace != nil {
-		trace = &tracev1.TraceContext{
+		resp.Trace = trace
-			RequestRef:     meta.GetRequestRef(),
-			IdempotencyKey: meta.GetIdempotencyKey(),
-			TraceRef:       meta.GetTraceRef(),
-		}
 	}
-	resp.Trace = trace
 	return resp
 }
 
@@ -49,7 +42,7 @@ func quoteModelToProto(q *model.Quote) *oraclev1.Quote {
 	}
 }
 
-func moneyModelToProto(m *model.Money) *moneyv1.Money {
+func moneyModelToProto(m *smodel.Money) *moneyv1.Money {
 	if m == nil {
 		return nil
 	}

api/fx/storage/go.mod

@@ -7,26 +7,26 @@ replace github.com/tech/sendico/pkg => ../../pkg
 require (
 	github.com/tech/sendico/pkg v0.1.0
 	go.mongodb.org/mongo-driver v1.17.6
-	go.uber.org/zap v1.27.0
+	go.uber.org/zap v1.27.1
 )
 
 require (
 	github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect
-	github.com/casbin/casbin/v2 v2.132.0 // indirect
+	github.com/casbin/casbin/v2 v2.135.0 // indirect
 	github.com/casbin/govaluate v1.10.0 // indirect
 	github.com/casbin/mongodb-adapter/v3 v3.7.0 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
+	github.com/klauspost/compress v1.18.2 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/text v0.30.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
-	google.golang.org/protobuf v1.36.10 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 )

api/fx/storage/go.sum

@@ -7,8 +7,8 @@ github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA
 github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE=
 github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
-github.com/casbin/casbin/v2 v2.132.0 h1:73hGmOszGSL3hTVquwkAi98XLl3gPJ+BxB6D7G9Fxtk=
+github.com/casbin/casbin/v2 v2.135.0 h1:6BLkMQiGotYyS5yYeWgW19vxqugUlvHFkFiLnLR/bxk=
-github.com/casbin/casbin/v2 v2.132.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
+github.com/casbin/casbin/v2 v2.135.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
 github.com/casbin/govaluate v1.3.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
 github.com/casbin/govaluate v1.10.0 h1:ffGw51/hYH3w3rZcxO/KcaUIDOLP84w7nsidMVgaDG0=
 github.com/casbin/govaluate v1.10.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
@@ -51,8 +51,8 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
+github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
-github.com/klauspost/compress v1.18.1/go.mod h1:ZQFFVG+MdnR0P+l6wpXgIL4NTtwiKIdBnrBd8Nrxr+0=
+github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/lufia/plan9stats v0.0.0-20250827001030-24949be3fa54 h1:mFWunSatvkQQDhpdyuFAYwyAan3hzCuma+Pz8sqvOfg=
 github.com/lufia/plan9stats v0.0.0-20250827001030-24949be3fa54/go.mod h1:autxFIvghDt3jPTLoqZ9OZ7s9qTGNAWmYCjVFWPX/zg=
 github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
@@ -109,8 +109,8 @@ github.com/tklauser/numcpus v0.10.0 h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfj
 github.com/tklauser/numcpus v0.10.0/go.mod h1:BiTKazU708GQTYF4mB+cmlpT2Is1gLk7XVuEeem8LsQ=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
+github.com/xdg-go/scram v1.2.0 h1:bYKF2AEwG5rqd1BumT4gAnvwU/M9nBp2pTSxeZw7Wvs=
-github.com/xdg-go/scram v1.1.2/go.mod h1:RT/sEzTbU5y00aCK8UOx6R7YryM0iF1N2MOmC3kKLN4=
+github.com/xdg-go/scram v1.2.0/go.mod h1:3dlrS0iBaWKYVt2ZfA4cj48umJZ+cAEbR6/SjLA88I8=
 github.com/xdg-go/stringprep v1.0.4 h1:XLI/Ng3O1Atzq0oBs3TWm+5ZVgkq2aqdlvP9JtoZ6c8=
 github.com/xdg-go/stringprep v1.0.4/go.mod h1:mPGuuIYwz7CmR2bT9j4GbQqutWS1zV24gijq1dTyGkM=
 github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 h1:ilQV1hzziu+LLM3zUTJ0trRztfwgjqKnBWNtSRkbmwM=
@@ -120,26 +120,26 @@ github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.mongodb.org/mongo-driver v1.17.6 h1:87JUG1wZfWsr6rIz3ZmpH90rL5tea7O3IHuSwHUpsss=
 go.mongodb.org/mongo-driver v1.17.6/go.mod h1:Hy04i7O2kC4RS06ZrhPRqj/u4DTYkFDAAccj+rVKqgQ=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 h1:UP6IpuHFkUgOQL9FFQFrZ+5LiwhhYRbi7VZSIx6Nj5s=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0/go.mod h1:qxuZLtbq5QDtdeSHsS7bcf6EH6uO6jUAgk764zd3rhM=
-go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
+go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
-go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
-go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
+go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
-go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
+go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
-go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
+go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
-go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
+go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
-go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc=
-go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
-golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -147,29 +147,29 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
-golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

api/fx/storage/model/quote.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/tech/sendico/pkg/db/storable"
+	"github.com/tech/sendico/pkg/model"
 )
 
 // Quote represents a firm or indicative quote persisted by the oracle.
@@ -16,8 +17,8 @@ type Quote struct {
 	Pair                   CurrencyPair    `bson:"pair" json:"pair"`
 	Side                   QuoteSide       `bson:"side" json:"side"`
 	Price                  string          `bson:"price" json:"price"`
-	BaseAmount             Money           `bson:"baseAmount" json:"baseAmount"`
+	BaseAmount             model.Money     `bson:"baseAmount" json:"baseAmount"`
-	QuoteAmount            Money           `bson:"quoteAmount" json:"quoteAmount"`
+	QuoteAmount            model.Money     `bson:"quoteAmount" json:"quoteAmount"`
 	AmountType             QuoteAmountType `bson:"amountType" json:"amountType"`
 	ExpiresAtUnixMs        int64           `bson:"expiresAtUnixMs" json:"expiresAtUnixMs"`
 	ExpiresAt              *time.Time      `bson:"expiresAt,omitempty" json:"expiresAt,omitempty"`

api/fx/storage/model/types.go

@@ -51,12 +51,6 @@ type CurrencyPair struct {
 	Quote string `bson:"quote" json:"quote"`
 }
 
-// Money represents an exact decimal amount with its currency.
-type Money struct {
-	Currency string `bson:"currency" json:"currency"`
-	Amount   string `bson:"amount" json:"amount"`
-}
-
 // QuoteMeta carries request-scoped metadata associated with a quote.
 type QuoteMeta struct {
 	model.OrganizationBoundBase `bson:",inline" json:",inline"`

api/gateway/chain/.air.toml

@@ -4,11 +4,11 @@ root = "./../.."
 tmp_dir = "tmp"
 
 [build]
-cmd = "go build -o app -ldflags \"-X 'github.com/tech/sendico/chain/gateway/internal/appversion.BuildUser=$(whoami)' -X 'github.com/tech/sendico/chain/gateway/internal/appversion.Version=$APP_V' -X 'github.com/tech/sendico/chain/gateway/internal/appversion.Branch=$BUILD_BRANCH' -X 'github.com/tech/sendico/chain/gateway/internal/appversion.Revision=$GIT_REV' -X 'github.com/tech/sendico/chain/gateway/internal/appversion.BuildDate=$(date)'\""
+cmd = "go build -o app -ldflags \"-X 'github.com/tech/sendico/gateway/chain/internal/appversion.BuildUser=$(whoami)' -X 'github.com/tech/sendico/gateway/chain/internal/appversion.Version=$APP_V' -X 'github.com/tech/sendico/gateway/chain/internal/appversion.Branch=$BUILD_BRANCH' -X 'github.com/tech/sendico/gateway/chain/internal/appversion.Revision=$GIT_REV' -X 'github.com/tech/sendico/gateway/chain/internal/appversion.BuildDate=$(date)'\""
 bin = "./app"
 full_bin = "./app --debug --config.file=config.yml"
 include_ext = ["go", "yaml", "yml"]
-exclude_dir = ["chain/gateway/tmp", "pkg/.git", "chain/gateway/env"]
+exclude_dir = ["gateway/chain/tmp", "pkg/.git", "gateway/chain/env"]
 exclude_regex = ["_test\\.go"]
 exclude_unchanged = true
 follow_symlink = true

api/gateway/chain/client/client.go

@@ -8,7 +8,7 @@ import (
 	"time"
 
 	"github.com/tech/sendico/pkg/merrors"
-	gatewayv1 "github.com/tech/sendico/pkg/proto/chain/gateway/v1"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
@@ -16,26 +16,26 @@ import (
 
 // Client exposes typed helpers around the chain gateway gRPC API.
 type Client interface {
-	CreateManagedWallet(ctx context.Context, req *gatewayv1.CreateManagedWalletRequest) (*gatewayv1.CreateManagedWalletResponse, error)
+	CreateManagedWallet(ctx context.Context, req *chainv1.CreateManagedWalletRequest) (*chainv1.CreateManagedWalletResponse, error)
-	GetManagedWallet(ctx context.Context, req *gatewayv1.GetManagedWalletRequest) (*gatewayv1.GetManagedWalletResponse, error)
+	GetManagedWallet(ctx context.Context, req *chainv1.GetManagedWalletRequest) (*chainv1.GetManagedWalletResponse, error)
-	ListManagedWallets(ctx context.Context, req *gatewayv1.ListManagedWalletsRequest) (*gatewayv1.ListManagedWalletsResponse, error)
+	ListManagedWallets(ctx context.Context, req *chainv1.ListManagedWalletsRequest) (*chainv1.ListManagedWalletsResponse, error)
-	GetWalletBalance(ctx context.Context, req *gatewayv1.GetWalletBalanceRequest) (*gatewayv1.GetWalletBalanceResponse, error)
+	GetWalletBalance(ctx context.Context, req *chainv1.GetWalletBalanceRequest) (*chainv1.GetWalletBalanceResponse, error)
-	SubmitTransfer(ctx context.Context, req *gatewayv1.SubmitTransferRequest) (*gatewayv1.SubmitTransferResponse, error)
+	SubmitTransfer(ctx context.Context, req *chainv1.SubmitTransferRequest) (*chainv1.SubmitTransferResponse, error)
-	GetTransfer(ctx context.Context, req *gatewayv1.GetTransferRequest) (*gatewayv1.GetTransferResponse, error)
+	GetTransfer(ctx context.Context, req *chainv1.GetTransferRequest) (*chainv1.GetTransferResponse, error)
-	ListTransfers(ctx context.Context, req *gatewayv1.ListTransfersRequest) (*gatewayv1.ListTransfersResponse, error)
+	ListTransfers(ctx context.Context, req *chainv1.ListTransfersRequest) (*chainv1.ListTransfersResponse, error)
-	EstimateTransferFee(ctx context.Context, req *gatewayv1.EstimateTransferFeeRequest) (*gatewayv1.EstimateTransferFeeResponse, error)
+	EstimateTransferFee(ctx context.Context, req *chainv1.EstimateTransferFeeRequest) (*chainv1.EstimateTransferFeeResponse, error)
 	Close() error
 }
 
 type grpcGatewayClient interface {
-	CreateManagedWallet(ctx context.Context, in *gatewayv1.CreateManagedWalletRequest, opts ...grpc.CallOption) (*gatewayv1.CreateManagedWalletResponse, error)
+	CreateManagedWallet(ctx context.Context, in *chainv1.CreateManagedWalletRequest, opts ...grpc.CallOption) (*chainv1.CreateManagedWalletResponse, error)
-	GetManagedWallet(ctx context.Context, in *gatewayv1.GetManagedWalletRequest, opts ...grpc.CallOption) (*gatewayv1.GetManagedWalletResponse, error)
+	GetManagedWallet(ctx context.Context, in *chainv1.GetManagedWalletRequest, opts ...grpc.CallOption) (*chainv1.GetManagedWalletResponse, error)
-	ListManagedWallets(ctx context.Context, in *gatewayv1.ListManagedWalletsRequest, opts ...grpc.CallOption) (*gatewayv1.ListManagedWalletsResponse, error)
+	ListManagedWallets(ctx context.Context, in *chainv1.ListManagedWalletsRequest, opts ...grpc.CallOption) (*chainv1.ListManagedWalletsResponse, error)
-	GetWalletBalance(ctx context.Context, in *gatewayv1.GetWalletBalanceRequest, opts ...grpc.CallOption) (*gatewayv1.GetWalletBalanceResponse, error)
+	GetWalletBalance(ctx context.Context, in *chainv1.GetWalletBalanceRequest, opts ...grpc.CallOption) (*chainv1.GetWalletBalanceResponse, error)
-	SubmitTransfer(ctx context.Context, in *gatewayv1.SubmitTransferRequest, opts ...grpc.CallOption) (*gatewayv1.SubmitTransferResponse, error)
+	SubmitTransfer(ctx context.Context, in *chainv1.SubmitTransferRequest, opts ...grpc.CallOption) (*chainv1.SubmitTransferResponse, error)
-	GetTransfer(ctx context.Context, in *gatewayv1.GetTransferRequest, opts ...grpc.CallOption) (*gatewayv1.GetTransferResponse, error)
+	GetTransfer(ctx context.Context, in *chainv1.GetTransferRequest, opts ...grpc.CallOption) (*chainv1.GetTransferResponse, error)
-	ListTransfers(ctx context.Context, in *gatewayv1.ListTransfersRequest, opts ...grpc.CallOption) (*gatewayv1.ListTransfersResponse, error)
+	ListTransfers(ctx context.Context, in *chainv1.ListTransfersRequest, opts ...grpc.CallOption) (*chainv1.ListTransfersResponse, error)
-	EstimateTransferFee(ctx context.Context, in *gatewayv1.EstimateTransferFeeRequest, opts ...grpc.CallOption) (*gatewayv1.EstimateTransferFeeResponse, error)
+	EstimateTransferFee(ctx context.Context, in *chainv1.EstimateTransferFeeRequest, opts ...grpc.CallOption) (*chainv1.EstimateTransferFeeResponse, error)
 }
 
 type chainGatewayClient struct {
@@ -71,7 +71,7 @@ func New(ctx context.Context, cfg Config, opts ...grpc.DialOption) (Client, erro
 	return &chainGatewayClient{
 		cfg:    cfg,
 		conn:   conn,
-		client: gatewayv1.NewChainGatewayServiceClient(conn),
+		client: chainv1.NewChainGatewayServiceClient(conn),
 	}, nil
 }
 
@@ -91,49 +91,49 @@ func (c *chainGatewayClient) Close() error {
 	return nil
 }
 
-func (c *chainGatewayClient) CreateManagedWallet(ctx context.Context, req *gatewayv1.CreateManagedWalletRequest) (*gatewayv1.CreateManagedWalletResponse, error) {
+func (c *chainGatewayClient) CreateManagedWallet(ctx context.Context, req *chainv1.CreateManagedWalletRequest) (*chainv1.CreateManagedWalletResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.CreateManagedWallet(ctx, req)
 }
 
-func (c *chainGatewayClient) GetManagedWallet(ctx context.Context, req *gatewayv1.GetManagedWalletRequest) (*gatewayv1.GetManagedWalletResponse, error) {
+func (c *chainGatewayClient) GetManagedWallet(ctx context.Context, req *chainv1.GetManagedWalletRequest) (*chainv1.GetManagedWalletResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.GetManagedWallet(ctx, req)
 }
 
-func (c *chainGatewayClient) ListManagedWallets(ctx context.Context, req *gatewayv1.ListManagedWalletsRequest) (*gatewayv1.ListManagedWalletsResponse, error) {
+func (c *chainGatewayClient) ListManagedWallets(ctx context.Context, req *chainv1.ListManagedWalletsRequest) (*chainv1.ListManagedWalletsResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.ListManagedWallets(ctx, req)
 }
 
-func (c *chainGatewayClient) GetWalletBalance(ctx context.Context, req *gatewayv1.GetWalletBalanceRequest) (*gatewayv1.GetWalletBalanceResponse, error) {
+func (c *chainGatewayClient) GetWalletBalance(ctx context.Context, req *chainv1.GetWalletBalanceRequest) (*chainv1.GetWalletBalanceResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.GetWalletBalance(ctx, req)
 }
 
-func (c *chainGatewayClient) SubmitTransfer(ctx context.Context, req *gatewayv1.SubmitTransferRequest) (*gatewayv1.SubmitTransferResponse, error) {
+func (c *chainGatewayClient) SubmitTransfer(ctx context.Context, req *chainv1.SubmitTransferRequest) (*chainv1.SubmitTransferResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.SubmitTransfer(ctx, req)
 }
 
-func (c *chainGatewayClient) GetTransfer(ctx context.Context, req *gatewayv1.GetTransferRequest) (*gatewayv1.GetTransferResponse, error) {
+func (c *chainGatewayClient) GetTransfer(ctx context.Context, req *chainv1.GetTransferRequest) (*chainv1.GetTransferResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.GetTransfer(ctx, req)
 }
 
-func (c *chainGatewayClient) ListTransfers(ctx context.Context, req *gatewayv1.ListTransfersRequest) (*gatewayv1.ListTransfersResponse, error) {
+func (c *chainGatewayClient) ListTransfers(ctx context.Context, req *chainv1.ListTransfersRequest) (*chainv1.ListTransfersResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.ListTransfers(ctx, req)
 }
 
-func (c *chainGatewayClient) EstimateTransferFee(ctx context.Context, req *gatewayv1.EstimateTransferFeeRequest) (*gatewayv1.EstimateTransferFeeResponse, error) {
+func (c *chainGatewayClient) EstimateTransferFee(ctx context.Context, req *chainv1.EstimateTransferFeeRequest) (*chainv1.EstimateTransferFeeResponse, error) {
 	ctx, cancel := c.callContext(ctx)
 	defer cancel()
 	return c.client.EstimateTransferFee(ctx, req)

api/gateway/chain/client/fake.go

@@ -0,0 +1,83 @@
+package client
+
+import (
+	"context"
+
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+)
+
+// Fake implements Client for tests.
+type Fake struct {
+	CreateManagedWalletFn func(ctx context.Context, req *chainv1.CreateManagedWalletRequest) (*chainv1.CreateManagedWalletResponse, error)
+	GetManagedWalletFn    func(ctx context.Context, req *chainv1.GetManagedWalletRequest) (*chainv1.GetManagedWalletResponse, error)
+	ListManagedWalletsFn  func(ctx context.Context, req *chainv1.ListManagedWalletsRequest) (*chainv1.ListManagedWalletsResponse, error)
+	GetWalletBalanceFn    func(ctx context.Context, req *chainv1.GetWalletBalanceRequest) (*chainv1.GetWalletBalanceResponse, error)
+	SubmitTransferFn      func(ctx context.Context, req *chainv1.SubmitTransferRequest) (*chainv1.SubmitTransferResponse, error)
+	GetTransferFn         func(ctx context.Context, req *chainv1.GetTransferRequest) (*chainv1.GetTransferResponse, error)
+	ListTransfersFn       func(ctx context.Context, req *chainv1.ListTransfersRequest) (*chainv1.ListTransfersResponse, error)
+	EstimateTransferFeeFn func(ctx context.Context, req *chainv1.EstimateTransferFeeRequest) (*chainv1.EstimateTransferFeeResponse, error)
+	CloseFn               func() error
+}
+
+func (f *Fake) CreateManagedWallet(ctx context.Context, req *chainv1.CreateManagedWalletRequest) (*chainv1.CreateManagedWalletResponse, error) {
+	if f.CreateManagedWalletFn != nil {
+		return f.CreateManagedWalletFn(ctx, req)
+	}
+	return &chainv1.CreateManagedWalletResponse{}, nil
+}
+
+func (f *Fake) GetManagedWallet(ctx context.Context, req *chainv1.GetManagedWalletRequest) (*chainv1.GetManagedWalletResponse, error) {
+	if f.GetManagedWalletFn != nil {
+		return f.GetManagedWalletFn(ctx, req)
+	}
+	return &chainv1.GetManagedWalletResponse{}, nil
+}
+
+func (f *Fake) ListManagedWallets(ctx context.Context, req *chainv1.ListManagedWalletsRequest) (*chainv1.ListManagedWalletsResponse, error) {
+	if f.ListManagedWalletsFn != nil {
+		return f.ListManagedWalletsFn(ctx, req)
+	}
+	return &chainv1.ListManagedWalletsResponse{}, nil
+}
+
+func (f *Fake) GetWalletBalance(ctx context.Context, req *chainv1.GetWalletBalanceRequest) (*chainv1.GetWalletBalanceResponse, error) {
+	if f.GetWalletBalanceFn != nil {
+		return f.GetWalletBalanceFn(ctx, req)
+	}
+	return &chainv1.GetWalletBalanceResponse{}, nil
+}
+
+func (f *Fake) SubmitTransfer(ctx context.Context, req *chainv1.SubmitTransferRequest) (*chainv1.SubmitTransferResponse, error) {
+	if f.SubmitTransferFn != nil {
+		return f.SubmitTransferFn(ctx, req)
+	}
+	return &chainv1.SubmitTransferResponse{}, nil
+}
+
+func (f *Fake) GetTransfer(ctx context.Context, req *chainv1.GetTransferRequest) (*chainv1.GetTransferResponse, error) {
+	if f.GetTransferFn != nil {
+		return f.GetTransferFn(ctx, req)
+	}
+	return &chainv1.GetTransferResponse{}, nil
+}
+
+func (f *Fake) ListTransfers(ctx context.Context, req *chainv1.ListTransfersRequest) (*chainv1.ListTransfersResponse, error) {
+	if f.ListTransfersFn != nil {
+		return f.ListTransfersFn(ctx, req)
+	}
+	return &chainv1.ListTransfersResponse{}, nil
+}
+
+func (f *Fake) EstimateTransferFee(ctx context.Context, req *chainv1.EstimateTransferFeeRequest) (*chainv1.EstimateTransferFeeResponse, error) {
+	if f.EstimateTransferFeeFn != nil {
+		return f.EstimateTransferFeeFn(ctx, req)
+	}
+	return &chainv1.EstimateTransferFeeResponse{}, nil
+}
+
+func (f *Fake) Close() error {
+	if f.CloseFn != nil {
+		return f.CloseFn()
+	}
+	return nil
+}

api/gateway/chain/config.yml

@@ -50,8 +50,11 @@ service_wallet:
 key_management:
   driver: vault
   settings:
-    address: "https://vault.sendico.io:8200"
+    address: "https://vault.sendico.io"
-    token_env: CHAIN_GATEWAY_VAULT_TOKEN
+    token_env: VAULT_TOKEN
     namespace: ""
-    mount_path: secret
+    mount_path: kv
-    key_prefix: chain/gateway/wallets
+    key_prefix: gateway/chain/wallets
+
+cache:
+  wallet_balance_ttl_seconds: 120

api/gateway/chain/entrypoint.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+set -eu
+
+if [ -n "${VAULT_TOKEN_FILE:-}" ] && [ -f "${VAULT_TOKEN_FILE}" ]; then
+  token="$(cat "${VAULT_TOKEN_FILE}" 2>/dev/null | tr -d '[:space:]')"
+  if [ -n "${token}" ]; then
+    export VAULT_TOKEN="${token}"
+  fi
+fi
+
+if [ -z "${VAULT_TOKEN:-}" ]; then
+  echo "[entrypoint] VAULT_TOKEN is not set; expected Vault Agent sink to write a token to ${VAULT_TOKEN_FILE:-/run/vault/token}" >&2
+fi
+
+exec /app/chain-gateway "$@"

api/gateway/chain/go.mod

@@ -1,4 +1,4 @@
-module github.com/tech/sendico/chain/gateway
+module github.com/tech/sendico/gateway/chain
 
 go 1.25.3
 
@@ -14,19 +14,19 @@ require (
 	github.com/stretchr/testify v1.11.1
 	github.com/tech/sendico/pkg v0.1.0
 	go.mongodb.org/mongo-driver v1.17.6
-	go.uber.org/zap v1.27.0
+	go.uber.org/zap v1.27.1
-	google.golang.org/grpc v1.76.0
+	google.golang.org/grpc v1.77.0
-	google.golang.org/protobuf v1.36.10
+	google.golang.org/protobuf v1.36.11
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/Microsoft/go-winio v0.6.2 // indirect
-	github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251110112254-48a6e677648f // indirect
+	github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251213223233-751f36331c62 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/bits-and-blooms/bitset v1.24.3 // indirect
+	github.com/bits-and-blooms/bitset v1.24.4 // indirect
 	github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect
-	github.com/casbin/casbin/v2 v2.132.0 // indirect
+	github.com/casbin/casbin/v2 v2.135.0 // indirect
 	github.com/casbin/govaluate v1.10.0 // indirect
 	github.com/casbin/mongodb-adapter/v3 v3.7.0 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
@@ -54,37 +54,37 @@ require (
 	github.com/hashicorp/go-sockaddr v1.0.7 // indirect
 	github.com/hashicorp/hcl v1.0.1-vault-7 // indirect
 	github.com/holiman/uint256 v1.3.2 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
+	github.com/klauspost/compress v1.18.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/nats-io/nats.go v1.47.0 // indirect
+	github.com/nats-io/nats.go v1.48.0 // indirect
-	github.com/nats-io/nkeys v0.4.11 // indirect
+	github.com/nats-io/nkeys v0.4.12 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.67.2 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
 	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/supranational/blst v0.3.16 // indirect
-	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/go-sysconf v0.3.16 // indirect
-	github.com/tklauser/numcpus v0.10.0 // indirect
+	github.com/tklauser/numcpus v0.11.0 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
-	golang.org/x/crypto v0.44.0 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
 	golang.org/x/time v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 // indirect
 )

api/gateway/chain/go.sum

@@ -6,19 +6,19 @@ github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ=
 github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
-github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251110112254-48a6e677648f h1:B/TfTw73mVqWKDzJZhU9Qi9wQyYfmiCz9FnmpQsyv5M=
+github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251213223233-751f36331c62 h1:Rge3uIIO891+nLqKTfMulCw+tWHtTl16Oudi0yUcAoE=
-github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251110112254-48a6e677648f/go.mod h1:ioLG6R+5bUSO1oeGSDxOV3FADARuMoytZCSX6MEMQkI=
+github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251213223233-751f36331c62/go.mod h1:ioLG6R+5bUSO1oeGSDxOV3FADARuMoytZCSX6MEMQkI=
 github.com/VictoriaMetrics/fastcache v1.13.0 h1:AW4mheMR5Vd9FkAPUv+NH6Nhw+fmbTMGMsNAoA/+4G0=
 github.com/VictoriaMetrics/fastcache v1.13.0/go.mod h1:hHXhl4DA2fTL2HTZDJFXWgW0LNjo6B+4aj2Wmng3TjU=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bits-and-blooms/bitset v1.24.3 h1:Bte86SlO3lwPQqww+7BE9ZuUCKIjfqnG5jtEyqA9y9Y=
+github.com/bits-and-blooms/bitset v1.24.4 h1:95H15Og1clikBrKr/DuzMXkQzECs1M6hhoGXLwLQOZE=
-github.com/bits-and-blooms/bitset v1.24.3/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/bits-and-blooms/bitset v1.24.4/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE=
 github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
-github.com/casbin/casbin/v2 v2.132.0 h1:73hGmOszGSL3hTVquwkAi98XLl3gPJ+BxB6D7G9Fxtk=
+github.com/casbin/casbin/v2 v2.135.0 h1:6BLkMQiGotYyS5yYeWgW19vxqugUlvHFkFiLnLR/bxk=
-github.com/casbin/casbin/v2 v2.132.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
+github.com/casbin/casbin/v2 v2.135.0/go.mod h1:FmcfntdXLTcYXv/hxgNntcRPqAbwOG9xsism0yXT+18=
 github.com/casbin/govaluate v1.3.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
 github.com/casbin/govaluate v1.10.0 h1:ffGw51/hYH3w3rZcxO/KcaUIDOLP84w7nsidMVgaDG0=
 github.com/casbin/govaluate v1.10.0/go.mod h1:G/UnbIjZk/0uMNaLwZZmFQrR72tYRZWQkO70si/iR7A=
@@ -159,8 +159,8 @@ github.com/huin/goupnp v1.3.0 h1:UvLUlWDNpoUdYzb2TCn+MuTWtcjXKSza2n6CBdQ0xXc=
 github.com/huin/goupnp v1.3.0/go.mod h1:gnGPsThkYa7bFi/KWmEysQRf48l2dvR5bxr2OFckNX8=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
-github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
+github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
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@@ -207,10 +207,10 @@ github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
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@@ -239,8 +239,8 @@ github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h
 github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
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@@ -275,16 +275,16 @@ github.com/testcontainers/testcontainers-go v0.33.0 h1:zJS9PfXYT5O0ZFXM2xxXfk4J5
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-github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
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@@ -296,32 +296,32 @@ github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
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-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
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@@ -329,12 +329,12 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
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-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
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 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -343,16 +343,16 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
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-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
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-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
 golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -362,12 +362,12 @@ golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba h1:UKgtfRM7Yh93Sya0Fo8ZzhDP4qBckrrxEr2oF5UIVb8=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2 h1:2I6GHUeJ/4shcDpoUlLs/2WPnhg7yJwvXtqcMJt9liA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251213004720-97cd9d5aeac2/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
-google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
+google.golang.org/grpc v1.77.0 h1:wVVY6/8cGA6vvffn+wWK5ToddbgdU3d8MNENr4evgXM=
-google.golang.org/grpc v1.76.0/go.mod h1:Ju12QI8M6iQJtbcsV+awF5a4hfJMLi4X0JLo94ULZ6c=
+google.golang.org/grpc v1.77.0/go.mod h1:z0BY1iVj0q8E1uSQCjL9cppRj+gnZjzDnzV0dHhrNig=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

api/gateway/chain/internal/keymanager/vault/manager.go

@@ -16,7 +16,7 @@ import (
 	"github.com/hashicorp/vault/api"
 	"go.uber.org/zap"
 
-	"github.com/tech/sendico/chain/gateway/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/keymanager"
 	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 )
@@ -55,8 +55,8 @@ func New(logger mlogger.Logger, cfg Config) (*Manager, error) {
 	}
 	token := strings.TrimSpace(os.Getenv(tokenEnv))
 	if token == "" {
-		logger.Error("vault token env not set", zap.String("env", tokenEnv))
+		logger.Error("vault token missing; expected Vault Agent to export token", zap.String("env", tokenEnv))
-		return nil, merrors.InvalidArgument("vault key manager: token env " + tokenEnv + " is not set")
+		return nil, merrors.InvalidArgument("vault key manager: token env " + tokenEnv + " is not set (expected Vault Agent sink to populate it)")
 	}
 	mountPath := strings.Trim(strings.TrimSpace(cfg.MountPath), "/")
 	if mountPath == "" {
@@ -65,7 +65,7 @@ func New(logger mlogger.Logger, cfg Config) (*Manager, error) {
 	}
 	keyPrefix := strings.Trim(strings.TrimSpace(cfg.KeyPrefix), "/")
 	if keyPrefix == "" {
-		keyPrefix = "chain/gateway/wallets"
+		keyPrefix = "gateway/chain/wallets"
 	}
 
 	clientCfg := api.DefaultConfig()

api/gateway/chain/internal/server/internal/serverimp.go

@@ -7,11 +7,12 @@ import (
 	"time"
 
 	"github.com/mitchellh/mapstructure"
-	"github.com/tech/sendico/chain/gateway/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/keymanager"
-	vaultmanager "github.com/tech/sendico/chain/gateway/internal/keymanager/vault"
+	vaultmanager "github.com/tech/sendico/gateway/chain/internal/keymanager/vault"
-	gatewayservice "github.com/tech/sendico/chain/gateway/internal/service/gateway"
+	gatewayservice "github.com/tech/sendico/gateway/chain/internal/service/gateway"
-	"github.com/tech/sendico/chain/gateway/storage"
+	gatewayshared "github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
-	gatewaymongo "github.com/tech/sendico/chain/gateway/storage/mongo"
+	"github.com/tech/sendico/gateway/chain/storage"
+	gatewaymongo "github.com/tech/sendico/gateway/chain/storage/mongo"
 	"github.com/tech/sendico/pkg/api/routers"
 	"github.com/tech/sendico/pkg/db"
 	"github.com/tech/sendico/pkg/merrors"
@@ -33,9 +34,10 @@ type Imp struct {
 
 type config struct {
 	*grpcapp.Config `yaml:",inline"`
-	Chains          []chainConfig       `yaml:"chains"`
+	Chains          []chainConfig                `yaml:"chains"`
-	ServiceWallet   serviceWalletConfig `yaml:"service_wallet"`
+	ServiceWallet   serviceWalletConfig          `yaml:"service_wallet"`
-	KeyManagement   keymanager.Config   `yaml:"key_management"`
+	KeyManagement   keymanager.Config            `yaml:"key_management"`
+	Settings        gatewayservice.CacheSettings `yaml:"cache"`
 }
 
 type chainConfig struct {
@@ -110,11 +112,12 @@ func (i *Imp) Start() error {
 			gatewayservice.WithServiceWallet(walletConfig),
 			gatewayservice.WithKeyManager(keyManager),
 			gatewayservice.WithTransferExecutor(executor),
+			gatewayservice.WithSettings(cfg.Settings),
 		}
 		return gatewayservice.NewService(logger, repo, producer, opts...), nil
 	}
 
-	app, err := grpcapp.NewApp(i.logger, "chain_gateway", cfg.Config, i.debug, repoFactory, serviceFactory)
+	app, err := grpcapp.NewApp(i.logger, "chain", cfg.Config, i.debug, repoFactory, serviceFactory)
 	if err != nil {
 		return err
 	}
@@ -154,8 +157,8 @@ func (i *Imp) loadConfig() (*config, error) {
 	return cfg, nil
 }
 
-func resolveNetworkConfigs(logger mlogger.Logger, chains []chainConfig) []gatewayservice.Network {
+func resolveNetworkConfigs(logger mlogger.Logger, chains []chainConfig) []gatewayshared.Network {
-	result := make([]gatewayservice.Network, 0, len(chains))
+	result := make([]gatewayshared.Network, 0, len(chains))
 	for _, chain := range chains {
 		if strings.TrimSpace(chain.Name) == "" {
 			logger.Warn("skipping unnamed chain configuration")
@@ -165,7 +168,7 @@ func resolveNetworkConfigs(logger mlogger.Logger, chains []chainConfig) []gatewa
 		if rpcURL == "" {
 			logger.Warn("chain RPC endpoint not configured", zap.String("chain", chain.Name), zap.String("env", chain.RPCURLEnv))
 		}
-		contracts := make([]gatewayservice.TokenContract, 0, len(chain.Tokens))
+		contracts := make([]gatewayshared.TokenContract, 0, len(chain.Tokens))
 		for _, token := range chain.Tokens {
 			symbol := strings.TrimSpace(token.Symbol)
 			if symbol == "" {
@@ -185,13 +188,13 @@ func resolveNetworkConfigs(logger mlogger.Logger, chains []chainConfig) []gatewa
 				}
 				continue
 			}
-			contracts = append(contracts, gatewayservice.TokenContract{
+			contracts = append(contracts, gatewayshared.TokenContract{
 				Symbol:          symbol,
 				ContractAddress: addr,
 			})
 		}
 
-		result = append(result, gatewayservice.Network{
+		result = append(result, gatewayshared.Network{
 			Name:         chain.Name,
 			RPCURL:       rpcURL,
 			ChainID:      chain.ChainID,
@@ -202,7 +205,7 @@ func resolveNetworkConfigs(logger mlogger.Logger, chains []chainConfig) []gatewa
 	return result
 }
 
-func resolveServiceWallet(logger mlogger.Logger, cfg serviceWalletConfig) gatewayservice.ServiceWallet {
+func resolveServiceWallet(logger mlogger.Logger, cfg serviceWalletConfig) gatewayshared.ServiceWallet {
 	address := strings.TrimSpace(cfg.Address)
 	if address == "" && cfg.AddressEnv != "" {
 		address = strings.TrimSpace(os.Getenv(cfg.AddressEnv))
@@ -221,7 +224,7 @@ func resolveServiceWallet(logger mlogger.Logger, cfg serviceWalletConfig) gatewa
 		logger.Warn("service wallet private key not configured", zap.String("env", cfg.PrivateKeyEnv))
 	}
 
-	return gatewayservice.ServiceWallet{
+	return gatewayshared.ServiceWallet{
 		Network:    cfg.Chain,
 		Address:    address,
 		PrivateKey: privateKey,

api/gateway/chain/internal/server/server.go

@@ -1,7 +1,7 @@
 package server
 
 import (
-	serverimp "github.com/tech/sendico/chain/gateway/internal/server/internal"
+	serverimp "github.com/tech/sendico/gateway/chain/internal/server/internal"
 	"github.com/tech/sendico/pkg/mlogger"
 	"github.com/tech/sendico/pkg/server"
 )

api/gateway/chain/internal/service/gateway/commands/registry.go

@@ -0,0 +1,44 @@
+package commands
+
+import (
+	"context"
+
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/commands/transfer"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/commands/wallet"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+)
+
+type Unary[TReq any, TResp any] interface {
+	Execute(context.Context, *TReq) gsresponse.Responder[TResp]
+}
+
+type Registry struct {
+	CreateManagedWallet Unary[chainv1.CreateManagedWalletRequest, chainv1.CreateManagedWalletResponse]
+	GetManagedWallet    Unary[chainv1.GetManagedWalletRequest, chainv1.GetManagedWalletResponse]
+	ListManagedWallets  Unary[chainv1.ListManagedWalletsRequest, chainv1.ListManagedWalletsResponse]
+	GetWalletBalance    Unary[chainv1.GetWalletBalanceRequest, chainv1.GetWalletBalanceResponse]
+
+	SubmitTransfer   Unary[chainv1.SubmitTransferRequest, chainv1.SubmitTransferResponse]
+	GetTransfer      Unary[chainv1.GetTransferRequest, chainv1.GetTransferResponse]
+	ListTransfers    Unary[chainv1.ListTransfersRequest, chainv1.ListTransfersResponse]
+	EstimateTransfer Unary[chainv1.EstimateTransferFeeRequest, chainv1.EstimateTransferFeeResponse]
+}
+
+type RegistryDeps struct {
+	Wallet   wallet.Deps
+	Transfer transfer.Deps
+}
+
+func NewRegistry(deps RegistryDeps) Registry {
+	return Registry{
+		CreateManagedWallet: wallet.NewCreateManagedWallet(deps.Wallet.WithLogger("wallet.create")),
+		GetManagedWallet:    wallet.NewGetManagedWallet(deps.Wallet.WithLogger("wallet.get")),
+		ListManagedWallets:  wallet.NewListManagedWallets(deps.Wallet.WithLogger("wallet.list")),
+		GetWalletBalance:    wallet.NewGetWalletBalance(deps.Wallet.WithLogger("wallet.balance")),
+		SubmitTransfer:      transfer.NewSubmitTransfer(deps.Transfer.WithLogger("transfer.submit")),
+		GetTransfer:         transfer.NewGetTransfer(deps.Transfer.WithLogger("transfer.get")),
+		ListTransfers:       transfer.NewListTransfers(deps.Transfer.WithLogger("transfer.list")),
+		EstimateTransfer:    transfer.NewEstimateTransfer(deps.Transfer.WithLogger("transfer.estimate_fee")),
+	}
+}

api/gateway/chain/internal/service/gateway/commands/transfer/convert_fees.go

@@ -0,0 +1,43 @@
+package transfer
+
+import (
+	"strings"
+
+	"github.com/shopspring/decimal"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+)
+
+func convertFees(fees []*chainv1.ServiceFeeBreakdown, currency string) ([]model.ServiceFee, decimal.Decimal, error) {
+	result := make([]model.ServiceFee, 0, len(fees))
+	sum := decimal.NewFromInt(0)
+	for _, fee := range fees {
+		if fee == nil || fee.GetAmount() == nil {
+			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee amount is required")
+		}
+		amtCurrency := strings.ToUpper(strings.TrimSpace(fee.GetAmount().GetCurrency()))
+		if amtCurrency != strings.ToUpper(currency) {
+			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee currency mismatch")
+		}
+		amtValue := strings.TrimSpace(fee.GetAmount().GetAmount())
+		if amtValue == "" {
+			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee amount is required")
+		}
+		dec, err := decimal.NewFromString(amtValue)
+		if err != nil {
+			return nil, decimal.Decimal{}, merrors.InvalidArgument("invalid fee amount")
+		}
+		if dec.IsNegative() {
+			return nil, decimal.Decimal{}, merrors.InvalidArgument("fee amount must be non-negative")
+		}
+		sum = sum.Add(dec)
+		result = append(result, model.ServiceFee{
+			FeeCode:     strings.TrimSpace(fee.GetFeeCode()),
+			Amount:      shared.CloneMoney(fee.GetAmount()),
+			Description: strings.TrimSpace(fee.GetDescription()),
+		})
+	}
+	return result, sum, nil
+}

api/gateway/chain/internal/service/gateway/commands/transfer/deps.go

@@ -0,0 +1,26 @@
+package transfer
+
+import (
+	"context"
+
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage"
+	clockpkg "github.com/tech/sendico/pkg/clock"
+	"github.com/tech/sendico/pkg/mlogger"
+)
+
+type Deps struct {
+	Logger           mlogger.Logger
+	Networks         map[string]shared.Network
+	Storage          storage.Repository
+	Clock            clockpkg.Clock
+	EnsureRepository func(context.Context) error
+	LaunchExecution  func(transferRef, sourceWalletRef string, network shared.Network)
+}
+
+func (d Deps) WithLogger(name string) Deps {
+	if d.Logger != nil {
+		d.Logger = d.Logger.Named(name)
+	}
+	return d
+}

api/gateway/chain/internal/service/gateway/commands/transfer/destination.go

@@ -0,0 +1,50 @@
+package transfer
+
+import (
+	"context"
+	"strings"
+
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+func resolveDestination(ctx context.Context, deps Deps, dest *chainv1.TransferDestination, source *model.ManagedWallet) (model.TransferDestination, error) {
+	if dest == nil {
+		return model.TransferDestination{}, merrors.InvalidArgument("destination is required")
+	}
+	managedRef := strings.TrimSpace(dest.GetManagedWalletRef())
+	external := strings.TrimSpace(dest.GetExternalAddress())
+	if managedRef != "" && external != "" {
+		deps.Logger.Warn("both managed and external destination provided")
+		return model.TransferDestination{}, merrors.InvalidArgument("destination must be managed_wallet_ref or external_address")
+	}
+	if managedRef != "" {
+		wallet, err := deps.Storage.Wallets().Get(ctx, managedRef)
+		if err != nil {
+			deps.Logger.Warn("destination wallet lookup failed", zap.Error(err), zap.String("managed_wallet_ref", managedRef))
+			return model.TransferDestination{}, err
+		}
+		if !strings.EqualFold(wallet.Network, source.Network) {
+			deps.Logger.Warn("destination wallet network mismatch", zap.String("source_network", source.Network), zap.String("dest_network", wallet.Network))
+			return model.TransferDestination{}, merrors.InvalidArgument("destination wallet network mismatch")
+		}
+		if strings.TrimSpace(wallet.DepositAddress) == "" {
+			deps.Logger.Warn("destination wallet missing deposit address", zap.String("managed_wallet_ref", managedRef))
+			return model.TransferDestination{}, merrors.InvalidArgument("destination wallet missing deposit address")
+		}
+		return model.TransferDestination{
+			ManagedWalletRef: wallet.WalletRef,
+			Memo:             strings.TrimSpace(dest.GetMemo()),
+		}, nil
+	}
+	if external == "" {
+		deps.Logger.Warn("destination external address missing")
+		return model.TransferDestination{}, merrors.InvalidArgument("destination is required")
+	}
+	return model.TransferDestination{
+		ExternalAddress: strings.ToLower(external),
+		Memo:            strings.TrimSpace(dest.GetMemo()),
+	}, nil
+}

api/gateway/chain/internal/service/gateway/commands/transfer/destination_address.go

@@ -0,0 +1,26 @@
+package transfer
+
+import (
+	"context"
+	"strings"
+
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
+)
+
+func destinationAddress(ctx context.Context, deps Deps, dest model.TransferDestination) (string, error) {
+	if ref := strings.TrimSpace(dest.ManagedWalletRef); ref != "" {
+		wallet, err := deps.Storage.Wallets().Get(ctx, ref)
+		if err != nil {
+			return "", err
+		}
+		if strings.TrimSpace(wallet.DepositAddress) == "" {
+			return "", merrors.Internal("destination wallet missing deposit address")
+		}
+		return wallet.DepositAddress, nil
+	}
+	if addr := strings.TrimSpace(dest.ExternalAddress); addr != "" {
+		return strings.ToLower(addr), nil
+	}
+	return "", merrors.InvalidArgument("transfer destination address not resolved")
+}

api/gateway/chain/internal/service/gateway/commands/transfer/fee.go

@@ -0,0 +1,248 @@
+package transfer
+
+import (
+	"context"
+	"errors"
+	"math/big"
+	"strings"
+	"time"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/shopspring/decimal"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/mservice"
+	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type estimateTransferFeeCommand struct {
+	deps Deps
+}
+
+func NewEstimateTransfer(deps Deps) *estimateTransferFeeCommand {
+	return &estimateTransferFeeCommand{deps: deps}
+}
+
+func (c *estimateTransferFeeCommand) Execute(ctx context.Context, req *chainv1.EstimateTransferFeeRequest) gsresponse.Responder[chainv1.EstimateTransferFeeResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if req == nil {
+		c.deps.Logger.Warn("nil request")
+		return gsresponse.InvalidArgument[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("request is required"))
+	}
+
+	sourceWalletRef := strings.TrimSpace(req.GetSourceWalletRef())
+	if sourceWalletRef == "" {
+		c.deps.Logger.Warn("source wallet ref missing")
+		return gsresponse.InvalidArgument[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("source_wallet_ref is required"))
+	}
+	amount := req.GetAmount()
+	if amount == nil || strings.TrimSpace(amount.GetAmount()) == "" || strings.TrimSpace(amount.GetCurrency()) == "" {
+		c.deps.Logger.Warn("amount missing or incomplete")
+		return gsresponse.InvalidArgument[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("amount is required"))
+	}
+
+	sourceWallet, err := c.deps.Storage.Wallets().Get(ctx, sourceWalletRef)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("source wallet not found", zap.String("source_wallet_ref", sourceWalletRef))
+			return gsresponse.NotFound[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("storage get wallet failed", zap.Error(err), zap.String("source_wallet_ref", sourceWalletRef))
+		return gsresponse.Auto[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	networkKey := strings.ToLower(strings.TrimSpace(sourceWallet.Network))
+	networkCfg, ok := c.deps.Networks[networkKey]
+	if !ok {
+		c.deps.Logger.Warn("unsupported chain", zap.String("network", networkKey))
+		return gsresponse.InvalidArgument[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain for wallet"))
+	}
+
+	dest, err := resolveDestination(ctx, c.deps, req.GetDestination(), sourceWallet)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("destination not found", zap.String("destination_wallet_ref", req.GetDestination().GetManagedWalletRef()))
+			return gsresponse.NotFound[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("invalid destination", zap.Error(err))
+		return gsresponse.InvalidArgument[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	destinationAddress, err := destinationAddress(ctx, c.deps, dest)
+	if err != nil {
+		c.deps.Logger.Warn("failed to resolve destination address", zap.Error(err))
+		return gsresponse.InvalidArgument[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	feeMoney, err := estimateNetworkFee(ctx, c.deps.Logger, networkCfg, sourceWallet, destinationAddress, amount)
+	if err != nil {
+		c.deps.Logger.Warn("fee estimation failed", zap.Error(err))
+		return gsresponse.Auto[chainv1.EstimateTransferFeeResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	resp := &chainv1.EstimateTransferFeeResponse{
+		NetworkFee:        feeMoney,
+		EstimationContext: "erc20_transfer",
+	}
+	return gsresponse.Success(resp)
+}
+
+func estimateNetworkFee(ctx context.Context, logger mlogger.Logger, network shared.Network, wallet *model.ManagedWallet, destination string, amount *moneyv1.Money) (*moneyv1.Money, error) {
+	rpcURL := strings.TrimSpace(network.RPCURL)
+	if rpcURL == "" {
+		return nil, merrors.InvalidArgument("network rpc url not configured")
+	}
+	if strings.TrimSpace(wallet.ContractAddress) == "" {
+		return nil, merrors.NotImplemented("native token transfers not supported")
+	}
+	if !common.IsHexAddress(wallet.ContractAddress) {
+		return nil, merrors.InvalidArgument("invalid token contract address")
+	}
+	if !common.IsHexAddress(wallet.DepositAddress) {
+		return nil, merrors.InvalidArgument("invalid source wallet address")
+	}
+	if !common.IsHexAddress(destination) {
+		return nil, merrors.InvalidArgument("invalid destination address")
+	}
+
+	client, err := ethclient.DialContext(ctx, rpcURL)
+	if err != nil {
+		return nil, merrors.Internal("failed to connect to rpc: " + err.Error())
+	}
+	defer client.Close()
+
+	timeoutCtx, cancel := context.WithTimeout(ctx, 15*time.Second)
+	defer cancel()
+
+	tokenABI, err := abi.JSON(strings.NewReader(erc20TransferABI))
+	if err != nil {
+		return nil, merrors.Internal("failed to parse erc20 abi: " + err.Error())
+	}
+	tokenAddr := common.HexToAddress(wallet.ContractAddress)
+	toAddr := common.HexToAddress(destination)
+	fromAddr := common.HexToAddress(wallet.DepositAddress)
+
+	decimals, err := erc20Decimals(timeoutCtx, client, tokenABI, tokenAddr)
+	if err != nil {
+		logger.Warn("failed to read token decimals", zap.Error(err))
+		return nil, err
+	}
+
+	amountBase, err := toBaseUnits(strings.TrimSpace(amount.GetAmount()), decimals)
+	if err != nil {
+		return nil, err
+	}
+
+	input, err := tokenABI.Pack("transfer", toAddr, amountBase)
+	if err != nil {
+		return nil, merrors.Internal("failed to encode transfer call: " + err.Error())
+	}
+
+	gasPrice, err := client.SuggestGasPrice(timeoutCtx)
+	if err != nil {
+		return nil, merrors.Internal("failed to suggest gas price: " + err.Error())
+	}
+
+	callMsg := ethereum.CallMsg{
+		From:     fromAddr,
+		To:       &tokenAddr,
+		GasPrice: gasPrice,
+		Data:     input,
+	}
+	gasLimit, err := client.EstimateGas(timeoutCtx, callMsg)
+	if err != nil {
+		return nil, merrors.Internal("failed to estimate gas: " + err.Error())
+	}
+
+	fee := new(big.Int).Mul(gasPrice, new(big.Int).SetUint64(gasLimit))
+	feeDec := decimal.NewFromBigInt(fee, 0)
+
+	currency := strings.ToUpper(strings.TrimSpace(network.NativeToken))
+	if currency == "" {
+		currency = strings.ToUpper(network.Name)
+	}
+
+	return &moneyv1.Money{
+		Currency: currency,
+		Amount:   feeDec.String(),
+	}, nil
+}
+
+func erc20Decimals(ctx context.Context, client *ethclient.Client, tokenABI abi.ABI, token common.Address) (uint8, error) {
+	callData, err := tokenABI.Pack("decimals")
+	if err != nil {
+		return 0, merrors.Internal("failed to encode decimals call: " + err.Error())
+	}
+	msg := ethereum.CallMsg{
+		To:   &token,
+		Data: callData,
+	}
+	output, err := client.CallContract(ctx, msg, nil)
+	if err != nil {
+		return 0, merrors.Internal("decimals call failed: " + err.Error())
+	}
+	values, err := tokenABI.Unpack("decimals", output)
+	if err != nil {
+		return 0, merrors.Internal("failed to unpack decimals: " + err.Error())
+	}
+	if len(values) == 0 {
+		return 0, merrors.Internal("decimals call returned no data")
+	}
+	decimals, ok := values[0].(uint8)
+	if !ok {
+		return 0, merrors.Internal("decimals call returned unexpected type")
+	}
+	return decimals, nil
+}
+
+func toBaseUnits(amount string, decimals uint8) (*big.Int, error) {
+	value, err := decimal.NewFromString(strings.TrimSpace(amount))
+	if err != nil {
+		return nil, merrors.InvalidArgument("invalid amount " + amount + ": " + err.Error())
+	}
+	if value.IsNegative() {
+		return nil, merrors.InvalidArgument("amount must be positive")
+	}
+	multiplier := decimal.NewFromInt(1).Shift(int32(decimals))
+	scaled := value.Mul(multiplier)
+	if !scaled.Equal(scaled.Truncate(0)) {
+		return nil, merrors.InvalidArgument("amount " + amount + " exceeds token precision")
+	}
+	return scaled.BigInt(), nil
+}
+
+const erc20TransferABI = `
+[
+	{
+		"constant": true,
+		"inputs": [],
+		"name": "decimals",
+		"outputs": [{ "name": "", "type": "uint8" }],
+		"payable": false,
+		"stateMutability": "view",
+        "type": "function"
+	},
+	{
+		"constant": false,
+		"inputs": [
+			{ "name": "_to", "type": "address" },
+			{ "name": "_value", "type": "uint256" }
+		],
+		"name": "transfer",
+		"outputs": [{ "name": "", "type": "bool" }],
+		"payable": false,
+		"stateMutability": "nonpayable",
+		"type": "function"
+	}
+]`

api/gateway/chain/internal/service/gateway/commands/transfer/get.go

@@ -0,0 +1,47 @@
+package transfer
+
+import (
+	"context"
+	"errors"
+	"strings"
+
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mservice"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type getTransferCommand struct {
+	deps Deps
+}
+
+func NewGetTransfer(deps Deps) *getTransferCommand {
+	return &getTransferCommand{deps: deps}
+}
+
+func (c *getTransferCommand) Execute(ctx context.Context, req *chainv1.GetTransferRequest) gsresponse.Responder[chainv1.GetTransferResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.GetTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if req == nil {
+		c.deps.Logger.Warn("nil request")
+		return gsresponse.InvalidArgument[chainv1.GetTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
+	}
+	transferRef := strings.TrimSpace(req.GetTransferRef())
+	if transferRef == "" {
+		c.deps.Logger.Warn("transfer_ref missing")
+		return gsresponse.InvalidArgument[chainv1.GetTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("transfer_ref is required"))
+	}
+	transfer, err := c.deps.Storage.Transfers().Get(ctx, transferRef)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("not found", zap.String("transfer_ref", transferRef))
+			return gsresponse.NotFound[chainv1.GetTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("storage get failed", zap.Error(err), zap.String("transfer_ref", transferRef))
+		return gsresponse.Auto[chainv1.GetTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	return gsresponse.Success(&chainv1.GetTransferResponse{Transfer: toProtoTransfer(transfer)})
+}

api/gateway/chain/internal/service/gateway/commands/transfer/list.go

@@ -0,0 +1,58 @@
+package transfer
+
+import (
+	"context"
+	"strings"
+
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/mservice"
+	paginationv1 "github.com/tech/sendico/pkg/proto/common/pagination/v1"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type listTransfersCommand struct {
+	deps Deps
+}
+
+func NewListTransfers(deps Deps) *listTransfersCommand {
+	return &listTransfersCommand{deps: deps}
+}
+
+func (c *listTransfersCommand) Execute(ctx context.Context, req *chainv1.ListTransfersRequest) gsresponse.Responder[chainv1.ListTransfersResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.ListTransfersResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	filter := model.TransferFilter{}
+	if req != nil {
+		filter.SourceWalletRef = strings.TrimSpace(req.GetSourceWalletRef())
+		filter.DestinationWalletRef = strings.TrimSpace(req.GetDestinationWalletRef())
+		if status := shared.TransferStatusToModel(req.GetStatus()); status != "" {
+			filter.Status = status
+		}
+		if page := req.GetPage(); page != nil {
+			filter.Cursor = strings.TrimSpace(page.GetCursor())
+			filter.Limit = page.GetLimit()
+		}
+	}
+
+	result, err := c.deps.Storage.Transfers().List(ctx, filter)
+	if err != nil {
+		c.deps.Logger.Warn("storage list failed", zap.Error(err))
+		return gsresponse.Auto[chainv1.ListTransfersResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	protoTransfers := make([]*chainv1.Transfer, 0, len(result.Items))
+	for _, transfer := range result.Items {
+		protoTransfers = append(protoTransfers, toProtoTransfer(transfer))
+	}
+
+	resp := &chainv1.ListTransfersResponse{
+		Transfers: protoTransfers,
+		Page:      &paginationv1.CursorPageResponse{NextCursor: result.NextCursor},
+	}
+	return gsresponse.Success(resp)
+}

api/gateway/chain/internal/service/gateway/commands/transfer/proto.go

@@ -0,0 +1,53 @@
+package transfer
+
+import (
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+func toProtoTransfer(transfer *model.Transfer) *chainv1.Transfer {
+	if transfer == nil {
+		return nil
+	}
+	destination := &chainv1.TransferDestination{}
+	if transfer.Destination.ManagedWalletRef != "" {
+		destination.Destination = &chainv1.TransferDestination_ManagedWalletRef{ManagedWalletRef: transfer.Destination.ManagedWalletRef}
+	} else if transfer.Destination.ExternalAddress != "" {
+		destination.Destination = &chainv1.TransferDestination_ExternalAddress{ExternalAddress: transfer.Destination.ExternalAddress}
+	}
+	destination.Memo = transfer.Destination.Memo
+
+	protoFees := make([]*chainv1.ServiceFeeBreakdown, 0, len(transfer.Fees))
+	for _, fee := range transfer.Fees {
+		protoFees = append(protoFees, &chainv1.ServiceFeeBreakdown{
+			FeeCode:     fee.FeeCode,
+			Amount:      shared.CloneMoney(fee.Amount),
+			Description: fee.Description,
+		})
+	}
+
+	asset := &chainv1.Asset{
+		Chain:           shared.ChainEnumFromName(transfer.Network),
+		TokenSymbol:     transfer.TokenSymbol,
+		ContractAddress: transfer.ContractAddress,
+	}
+
+	return &chainv1.Transfer{
+		TransferRef:     transfer.TransferRef,
+		IdempotencyKey:  transfer.IdempotencyKey,
+		OrganizationRef: transfer.OrganizationRef,
+		SourceWalletRef: transfer.SourceWalletRef,
+		Destination:     destination,
+		Asset:           asset,
+		RequestedAmount: shared.CloneMoney(transfer.RequestedAmount),
+		NetAmount:       shared.CloneMoney(transfer.NetAmount),
+		Fees:            protoFees,
+		Status:          shared.TransferStatusToProto(transfer.Status),
+		TransactionHash: transfer.TxHash,
+		FailureReason:   transfer.FailureReason,
+		CreatedAt:       timestamppb.New(transfer.CreatedAt.UTC()),
+		UpdatedAt:       timestamppb.New(transfer.UpdatedAt.UTC()),
+	}
+}

api/gateway/chain/internal/service/gateway/commands/transfer/submit.go

@@ -0,0 +1,148 @@
+package transfer
+
+import (
+	"context"
+	"errors"
+	"strings"
+
+	"github.com/shopspring/decimal"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mservice"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type submitTransferCommand struct {
+	deps Deps
+}
+
+func NewSubmitTransfer(deps Deps) *submitTransferCommand {
+	return &submitTransferCommand{deps: deps}
+}
+
+func (c *submitTransferCommand) Execute(ctx context.Context, req *chainv1.SubmitTransferRequest) gsresponse.Responder[chainv1.SubmitTransferResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if req == nil {
+		c.deps.Logger.Warn("nil request")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
+	}
+
+	idempotencyKey := strings.TrimSpace(req.GetIdempotencyKey())
+	if idempotencyKey == "" {
+		c.deps.Logger.Warn("missing idempotency key")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("idempotency_key is required"))
+	}
+	organizationRef := strings.TrimSpace(req.GetOrganizationRef())
+	if organizationRef == "" {
+		c.deps.Logger.Warn("missing organization ref")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("organization_ref is required"))
+	}
+	sourceWalletRef := strings.TrimSpace(req.GetSourceWalletRef())
+	if sourceWalletRef == "" {
+		c.deps.Logger.Warn("missing source wallet ref")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("source_wallet_ref is required"))
+	}
+	amount := req.GetAmount()
+	if amount == nil {
+		c.deps.Logger.Warn("missing amount")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("amount is required"))
+	}
+	amountCurrency := strings.ToUpper(strings.TrimSpace(amount.GetCurrency()))
+	if amountCurrency == "" {
+		c.deps.Logger.Warn("missing amount currency")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("amount.currency is required"))
+	}
+	amountValue := strings.TrimSpace(amount.GetAmount())
+	if amountValue == "" {
+		c.deps.Logger.Warn("missing amount value")
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("amount.amount is required"))
+	}
+
+	sourceWallet, err := c.deps.Storage.Wallets().Get(ctx, sourceWalletRef)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("source wallet not found", zap.String("source_wallet_ref", sourceWalletRef))
+			return gsresponse.NotFound[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("storage get wallet failed", zap.Error(err), zap.String("source_wallet_ref", sourceWalletRef))
+		return gsresponse.Auto[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if !strings.EqualFold(sourceWallet.OrganizationRef, organizationRef) {
+		c.deps.Logger.Warn("organization mismatch", zap.String("wallet_org", sourceWallet.OrganizationRef), zap.String("req_org", organizationRef))
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("organization_ref mismatch with wallet"))
+	}
+	networkKey := strings.ToLower(strings.TrimSpace(sourceWallet.Network))
+	networkCfg, ok := c.deps.Networks[networkKey]
+	if !ok {
+		c.deps.Logger.Warn("unsupported chain", zap.String("network", networkKey))
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain for wallet"))
+	}
+
+	destination, err := resolveDestination(ctx, c.deps, req.GetDestination(), sourceWallet)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("destination not found", zap.String("destination_wallet_ref", req.GetDestination().GetManagedWalletRef()))
+			return gsresponse.NotFound[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("invalid destination", zap.Error(err))
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	fees, feeSum, err := convertFees(req.GetFees(), amountCurrency)
+	if err != nil {
+		c.deps.Logger.Warn("fee conversion failed", zap.Error(err))
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	amountDec, err := decimal.NewFromString(amountValue)
+	if err != nil {
+		c.deps.Logger.Warn("invalid amount", zap.Error(err))
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("invalid amount"))
+	}
+	netDec := amountDec.Sub(feeSum)
+	if netDec.IsNegative() {
+		c.deps.Logger.Warn("fees exceed amount", zap.String("amount", amountValue), zap.String("fee_sum", feeSum.String()))
+		return gsresponse.InvalidArgument[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("fees exceed amount"))
+	}
+
+	netAmount := shared.CloneMoney(amount)
+	netAmount.Amount = netDec.String()
+
+	transfer := &model.Transfer{
+		IdempotencyKey:  idempotencyKey,
+		TransferRef:     shared.GenerateTransferRef(),
+		OrganizationRef: organizationRef,
+		SourceWalletRef: sourceWalletRef,
+		Destination:     destination,
+		Network:         sourceWallet.Network,
+		TokenSymbol:     sourceWallet.TokenSymbol,
+		ContractAddress: sourceWallet.ContractAddress,
+		RequestedAmount: shared.CloneMoney(amount),
+		NetAmount:       netAmount,
+		Fees:            fees,
+		Status:          model.TransferStatusPending,
+		ClientReference: strings.TrimSpace(req.GetClientReference()),
+		LastStatusAt:    c.deps.Clock.Now().UTC(),
+	}
+
+	saved, err := c.deps.Storage.Transfers().Create(ctx, transfer)
+	if err != nil {
+		if errors.Is(err, merrors.ErrDataConflict) {
+			c.deps.Logger.Debug("transfer already exists", zap.String("transfer_ref", transfer.TransferRef), zap.String("idempotency_key", idempotencyKey))
+			return gsresponse.Success(&chainv1.SubmitTransferResponse{Transfer: toProtoTransfer(saved)})
+		}
+		c.deps.Logger.Warn("storage create failed", zap.Error(err), zap.String("transfer_ref", transfer.TransferRef))
+		return gsresponse.Auto[chainv1.SubmitTransferResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	if c.deps.LaunchExecution != nil {
+		c.deps.LaunchExecution(saved.TransferRef, sourceWalletRef, networkCfg)
+	}
+
+	return gsresponse.Success(&chainv1.SubmitTransferResponse{Transfer: toProtoTransfer(saved)})
+}

api/gateway/chain/internal/service/gateway/commands/wallet/balance.go

@@ -0,0 +1,140 @@
+package wallet
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"time"
+
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mservice"
+	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const fallbackBalanceCacheTTL = 2 * time.Minute
+
+type getWalletBalanceCommand struct {
+	deps Deps
+}
+
+func NewGetWalletBalance(deps Deps) *getWalletBalanceCommand {
+	return &getWalletBalanceCommand{deps: deps}
+}
+
+func (c *getWalletBalanceCommand) Execute(ctx context.Context, req *chainv1.GetWalletBalanceRequest) gsresponse.Responder[chainv1.GetWalletBalanceResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if req == nil {
+		c.deps.Logger.Warn("nil request")
+		return gsresponse.InvalidArgument[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
+	}
+	walletRef := strings.TrimSpace(req.GetWalletRef())
+	if walletRef == "" {
+		c.deps.Logger.Warn("wallet_ref missing")
+		return gsresponse.InvalidArgument[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("wallet_ref is required"))
+	}
+	wallet, err := c.deps.Storage.Wallets().Get(ctx, walletRef)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("not found", zap.String("wallet_ref", walletRef))
+			return gsresponse.NotFound[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("storage get failed", zap.Error(err), zap.String("wallet_ref", walletRef))
+		return gsresponse.Auto[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	balance, chainErr := onChainWalletBalance(ctx, c.deps, wallet)
+	if chainErr != nil {
+		c.deps.Logger.Warn("on-chain balance fetch failed, attempting cached balance", zap.Error(chainErr), zap.String("wallet_ref", walletRef))
+		stored, err := c.deps.Storage.Wallets().GetBalance(ctx, walletRef)
+		if err != nil {
+			if errors.Is(err, merrors.ErrNoData) {
+				c.deps.Logger.Warn("cached balance not found", zap.String("wallet_ref", walletRef))
+				return gsresponse.Auto[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, chainErr)
+			}
+			return gsresponse.Auto[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		if c.isCachedBalanceStale(stored) {
+			c.deps.Logger.Warn("cached balance is stale",
+				zap.String("wallet_ref", walletRef),
+				zap.Time("calculated_at", stored.CalculatedAt),
+				zap.Duration("ttl", c.cacheTTL()),
+			)
+			return gsresponse.Auto[chainv1.GetWalletBalanceResponse](c.deps.Logger, mservice.ChainGateway, chainErr)
+		}
+		return gsresponse.Success(&chainv1.GetWalletBalanceResponse{Balance: toProtoWalletBalance(stored)})
+	}
+
+	calculatedAt := c.now()
+	c.persistCachedBalance(ctx, walletRef, balance, calculatedAt)
+
+	return gsresponse.Success(&chainv1.GetWalletBalanceResponse{
+		Balance: onChainBalanceToProto(balance, calculatedAt),
+	})
+}
+
+func onChainBalanceToProto(balance *moneyv1.Money, calculatedAt time.Time) *chainv1.WalletBalance {
+	if balance == nil {
+		return nil
+	}
+	zero := zeroMoney(balance.Currency)
+	return &chainv1.WalletBalance{
+		Available:       balance,
+		PendingInbound:  zero,
+		PendingOutbound: zero,
+		CalculatedAt:    timestamppb.New(calculatedAt.UTC()),
+	}
+}
+
+func (c *getWalletBalanceCommand) persistCachedBalance(ctx context.Context, walletRef string, available *moneyv1.Money, calculatedAt time.Time) {
+	if available == nil {
+		return
+	}
+	record := &model.WalletBalance{
+		WalletRef:       walletRef,
+		Available:       shared.CloneMoney(available),
+		PendingInbound:  zeroMoney(available.Currency),
+		PendingOutbound: zeroMoney(available.Currency),
+		CalculatedAt:    calculatedAt,
+	}
+	if err := c.deps.Storage.Wallets().SaveBalance(ctx, record); err != nil {
+		c.deps.Logger.Warn("failed to cache wallet balance", zap.String("wallet_ref", walletRef), zap.Error(err))
+	}
+}
+
+func (c *getWalletBalanceCommand) isCachedBalanceStale(balance *model.WalletBalance) bool {
+	if balance == nil || balance.CalculatedAt.IsZero() {
+		return true
+	}
+	return c.now().After(balance.CalculatedAt.Add(c.cacheTTL()))
+}
+
+func (c *getWalletBalanceCommand) cacheTTL() time.Duration {
+	if c.deps.BalanceCacheTTL > 0 {
+		return c.deps.BalanceCacheTTL
+	}
+	// Fallback to sane default if not configured.
+	return fallbackBalanceCacheTTL
+}
+
+func (c *getWalletBalanceCommand) now() time.Time {
+	if c.deps.Clock != nil {
+		return c.deps.Clock.Now().UTC()
+	}
+	return time.Now().UTC()
+}
+
+func zeroMoney(currency string) *moneyv1.Money {
+	if strings.TrimSpace(currency) == "" {
+		return nil
+	}
+	return &moneyv1.Money{Currency: currency, Amount: "0"}
+}

api/gateway/chain/internal/service/gateway/commands/wallet/create.go

@@ -0,0 +1,123 @@
+package wallet
+
+import (
+	"context"
+	"errors"
+	"strings"
+
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mservice"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type createManagedWalletCommand struct {
+	deps Deps
+}
+
+func NewCreateManagedWallet(deps Deps) *createManagedWalletCommand {
+	return &createManagedWalletCommand{deps: deps}
+}
+
+func (c *createManagedWalletCommand) Execute(ctx context.Context, req *chainv1.CreateManagedWalletRequest) gsresponse.Responder[chainv1.CreateManagedWalletResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if req == nil {
+		c.deps.Logger.Warn("nil request")
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
+	}
+
+	idempotencyKey := strings.TrimSpace(req.GetIdempotencyKey())
+	if idempotencyKey == "" {
+		c.deps.Logger.Warn("missing idempotency key")
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("idempotency_key is required"))
+	}
+	organizationRef := strings.TrimSpace(req.GetOrganizationRef())
+	if organizationRef == "" {
+		c.deps.Logger.Warn("missing organization ref")
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("organization_ref is required"))
+	}
+	ownerRef := strings.TrimSpace(req.GetOwnerRef())
+	if ownerRef == "" {
+		c.deps.Logger.Warn("missing owner ref")
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("owner_ref is required"))
+	}
+
+	asset := req.GetAsset()
+	if asset == nil {
+		c.deps.Logger.Warn("missing asset")
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("asset is required"))
+	}
+
+	chainKey, _ := shared.ChainKeyFromEnum(asset.GetChain())
+	if chainKey == "" {
+		c.deps.Logger.Warn("unsupported chain", zap.Any("chain", asset.GetChain()))
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain"))
+	}
+	networkCfg, ok := c.deps.Networks[chainKey]
+	if !ok {
+		c.deps.Logger.Warn("unsupported chain in config", zap.String("chain", chainKey))
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported chain"))
+	}
+
+	tokenSymbol := strings.ToUpper(strings.TrimSpace(asset.GetTokenSymbol()))
+	if tokenSymbol == "" {
+		c.deps.Logger.Warn("missing token symbol")
+		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("asset.token_symbol is required"))
+	}
+	contractAddress := strings.ToLower(strings.TrimSpace(asset.GetContractAddress()))
+	if contractAddress == "" {
+		contractAddress = shared.ResolveContractAddress(networkCfg.TokenConfigs, tokenSymbol)
+		if contractAddress == "" {
+			c.deps.Logger.Warn("unsupported token", zap.String("token", tokenSymbol), zap.String("chain", chainKey))
+			return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("unsupported token for chain"))
+		}
+	}
+
+	walletRef := shared.GenerateWalletRef()
+	if c.deps.KeyManager == nil {
+		c.deps.Logger.Warn("key manager missing")
+		return gsresponse.Internal[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.Internal("key manager not configured"))
+	}
+
+	keyInfo, err := c.deps.KeyManager.CreateManagedWalletKey(ctx, walletRef, chainKey)
+	if err != nil {
+		c.deps.Logger.Warn("key manager error", zap.Error(err))
+		return gsresponse.Auto[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if keyInfo == nil || strings.TrimSpace(keyInfo.Address) == "" {
+		c.deps.Logger.Warn("key manager returned empty address")
+		return gsresponse.Internal[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.Internal("key manager returned empty address"))
+	}
+
+	wallet := &model.ManagedWallet{
+		IdempotencyKey:  idempotencyKey,
+		WalletRef:       walletRef,
+		OrganizationRef: organizationRef,
+		OwnerRef:        ownerRef,
+		Network:         chainKey,
+		TokenSymbol:     tokenSymbol,
+		ContractAddress: contractAddress,
+		DepositAddress:  strings.ToLower(keyInfo.Address),
+		KeyReference:    keyInfo.KeyID,
+		Status:          model.ManagedWalletStatusActive,
+		Metadata:        shared.CloneMetadata(req.GetMetadata()),
+	}
+
+	created, err := c.deps.Storage.Wallets().Create(ctx, wallet)
+	if err != nil {
+		if errors.Is(err, merrors.ErrDataConflict) {
+			c.deps.Logger.Debug("wallet already exists", zap.String("wallet_ref", walletRef), zap.String("idempotency_key", idempotencyKey))
+			return gsresponse.Success(&chainv1.CreateManagedWalletResponse{Wallet: toProtoManagedWallet(created)})
+		}
+		c.deps.Logger.Warn("storage create failed", zap.Error(err), zap.String("wallet_ref", walletRef))
+		return gsresponse.Auto[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	return gsresponse.Success(&chainv1.CreateManagedWalletResponse{Wallet: toProtoManagedWallet(created)})
+}

api/gateway/chain/internal/service/gateway/commands/wallet/deps.go

@@ -0,0 +1,29 @@
+package wallet
+
+import (
+	"context"
+	"time"
+
+	"github.com/tech/sendico/gateway/chain/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage"
+	clockpkg "github.com/tech/sendico/pkg/clock"
+	"github.com/tech/sendico/pkg/mlogger"
+)
+
+type Deps struct {
+	Logger           mlogger.Logger
+	Networks         map[string]shared.Network
+	KeyManager       keymanager.Manager
+	Storage          storage.Repository
+	Clock            clockpkg.Clock
+	BalanceCacheTTL  time.Duration
+	EnsureRepository func(context.Context) error
+}
+
+func (d Deps) WithLogger(name string) Deps {
+	if d.Logger != nil {
+		d.Logger = d.Logger.Named(name)
+	}
+	return d
+}

api/gateway/chain/internal/service/gateway/commands/wallet/get.go

@@ -0,0 +1,47 @@
+package wallet
+
+import (
+	"context"
+	"errors"
+	"strings"
+
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mservice"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type getManagedWalletCommand struct {
+	deps Deps
+}
+
+func NewGetManagedWallet(deps Deps) *getManagedWalletCommand {
+	return &getManagedWalletCommand{deps: deps}
+}
+
+func (c *getManagedWalletCommand) Execute(ctx context.Context, req *chainv1.GetManagedWalletRequest) gsresponse.Responder[chainv1.GetManagedWalletResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.GetManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	if req == nil {
+		c.deps.Logger.Warn("nil request")
+		return gsresponse.InvalidArgument[chainv1.GetManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("nil request"))
+	}
+	walletRef := strings.TrimSpace(req.GetWalletRef())
+	if walletRef == "" {
+		c.deps.Logger.Warn("wallet_ref missing")
+		return gsresponse.InvalidArgument[chainv1.GetManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("wallet_ref is required"))
+	}
+	wallet, err := c.deps.Storage.Wallets().Get(ctx, walletRef)
+	if err != nil {
+		if errors.Is(err, merrors.ErrNoData) {
+			c.deps.Logger.Warn("not found", zap.String("wallet_ref", walletRef))
+			return gsresponse.NotFound[chainv1.GetManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, err)
+		}
+		c.deps.Logger.Warn("storage get failed", zap.Error(err), zap.String("wallet_ref", walletRef))
+		return gsresponse.Auto[chainv1.GetManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	return gsresponse.Success(&chainv1.GetManagedWalletResponse{Wallet: toProtoManagedWallet(wallet)})
+}

api/gateway/chain/internal/service/gateway/commands/wallet/list.go

@@ -0,0 +1,59 @@
+package wallet
+
+import (
+	"context"
+	"strings"
+
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	"github.com/tech/sendico/pkg/mservice"
+	paginationv1 "github.com/tech/sendico/pkg/proto/common/pagination/v1"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"go.uber.org/zap"
+)
+
+type listManagedWalletsCommand struct {
+	deps Deps
+}
+
+func NewListManagedWallets(deps Deps) *listManagedWalletsCommand {
+	return &listManagedWalletsCommand{deps: deps}
+}
+
+func (c *listManagedWalletsCommand) Execute(ctx context.Context, req *chainv1.ListManagedWalletsRequest) gsresponse.Responder[chainv1.ListManagedWalletsResponse] {
+	if err := c.deps.EnsureRepository(ctx); err != nil {
+		c.deps.Logger.Warn("repository unavailable", zap.Error(err))
+		return gsresponse.Unavailable[chainv1.ListManagedWalletsResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+	filter := model.ManagedWalletFilter{}
+	if req != nil {
+		filter.OrganizationRef = strings.TrimSpace(req.GetOrganizationRef())
+		filter.OwnerRef = strings.TrimSpace(req.GetOwnerRef())
+		if asset := req.GetAsset(); asset != nil {
+			filter.Network, _ = shared.ChainKeyFromEnum(asset.GetChain())
+			filter.TokenSymbol = strings.TrimSpace(asset.GetTokenSymbol())
+		}
+		if page := req.GetPage(); page != nil {
+			filter.Cursor = strings.TrimSpace(page.GetCursor())
+			filter.Limit = page.GetLimit()
+		}
+	}
+
+	result, err := c.deps.Storage.Wallets().List(ctx, filter)
+	if err != nil {
+		c.deps.Logger.Warn("storage list failed", zap.Error(err))
+		return gsresponse.Auto[chainv1.ListManagedWalletsResponse](c.deps.Logger, mservice.ChainGateway, err)
+	}
+
+	protoWallets := make([]*chainv1.ManagedWallet, 0, len(result.Items))
+	for _, wallet := range result.Items {
+		protoWallets = append(protoWallets, toProtoManagedWallet(wallet))
+	}
+
+	resp := &chainv1.ListManagedWalletsResponse{
+		Wallets: protoWallets,
+		Page:    &paginationv1.CursorPageResponse{NextCursor: result.NextCursor},
+	}
+	return gsresponse.Success(resp)
+}

api/gateway/chain/internal/service/gateway/commands/wallet/onchain_balance.go

@@ -0,0 +1,124 @@
+package wallet
+
+import (
+	"context"
+	"math/big"
+	"strings"
+	"time"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/shopspring/decimal"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
+	moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
+)
+
+func onChainWalletBalance(ctx context.Context, deps Deps, wallet *model.ManagedWallet) (*moneyv1.Money, error) {
+	network := deps.Networks[strings.ToLower(strings.TrimSpace(wallet.Network))]
+	rpcURL := strings.TrimSpace(network.RPCURL)
+	if rpcURL == "" {
+		return nil, merrors.Internal("network rpc url is not configured")
+	}
+	contract := strings.TrimSpace(wallet.ContractAddress)
+	if contract == "" || !common.IsHexAddress(contract) {
+		return nil, merrors.InvalidArgument("invalid contract address")
+	}
+	if wallet.DepositAddress == "" || !common.IsHexAddress(wallet.DepositAddress) {
+		return nil, merrors.InvalidArgument("invalid wallet address")
+	}
+
+	client, err := ethclient.DialContext(ctx, rpcURL)
+	if err != nil {
+		return nil, merrors.Internal("failed to connect rpc: " + err.Error())
+	}
+	defer client.Close()
+
+	timeoutCtx, cancel := context.WithTimeout(ctx, 10*time.Second)
+	defer cancel()
+
+	tokenABI, err := abi.JSON(strings.NewReader(erc20ABIJSON))
+	if err != nil {
+		return nil, merrors.Internal("failed to parse erc20 abi: " + err.Error())
+	}
+	tokenAddr := common.HexToAddress(contract)
+	walletAddr := common.HexToAddress(wallet.DepositAddress)
+
+	decimals, err := readDecimals(timeoutCtx, client, tokenABI, tokenAddr)
+	if err != nil {
+		return nil, err
+	}
+
+	bal, err := readBalanceOf(timeoutCtx, client, tokenABI, tokenAddr, walletAddr)
+	if err != nil {
+		return nil, err
+	}
+
+	dec := decimal.NewFromBigInt(bal, 0).Shift(-int32(decimals))
+	return &moneyv1.Money{Currency: wallet.TokenSymbol, Amount: dec.String()}, nil
+}
+
+func readDecimals(ctx context.Context, client *ethclient.Client, tokenABI abi.ABI, token common.Address) (uint8, error) {
+	data, err := tokenABI.Pack("decimals")
+	if err != nil {
+		return 0, merrors.Internal("failed to encode decimals call: " + err.Error())
+	}
+	msg := ethereum.CallMsg{To: &token, Data: data}
+	out, err := client.CallContract(ctx, msg, nil)
+	if err != nil {
+		return 0, merrors.Internal("decimals call failed: " + err.Error())
+	}
+	values, err := tokenABI.Unpack("decimals", out)
+	if err != nil || len(values) == 0 {
+		return 0, merrors.Internal("failed to unpack decimals")
+	}
+	if val, ok := values[0].(uint8); ok {
+		return val, nil
+	}
+	return 0, merrors.Internal("decimals returned unexpected type")
+}
+
+func readBalanceOf(ctx context.Context, client *ethclient.Client, tokenABI abi.ABI, token common.Address, wallet common.Address) (*big.Int, error) {
+	data, err := tokenABI.Pack("balanceOf", wallet)
+	if err != nil {
+		return nil, merrors.Internal("failed to encode balanceOf: " + err.Error())
+	}
+	msg := ethereum.CallMsg{To: &token, Data: data}
+	out, err := client.CallContract(ctx, msg, nil)
+	if err != nil {
+		return nil, merrors.Internal("balanceOf call failed: " + err.Error())
+	}
+	values, err := tokenABI.Unpack("balanceOf", out)
+	if err != nil || len(values) == 0 {
+		return nil, merrors.Internal("failed to unpack balanceOf")
+	}
+	raw, ok := values[0].(*big.Int)
+	if !ok {
+		return nil, merrors.Internal("balanceOf returned unexpected type")
+	}
+	return decimal.NewFromBigInt(raw, 0).BigInt(), nil
+}
+
+const erc20ABIJSON = `
+[
+	{
+		"constant": true,
+		"inputs": [],
+		"name": "decimals",
+		"outputs": [{ "name": "", "type": "uint8" }],
+		"payable": false,
+		"stateMutability": "view",
+        "type": "function"
+	},
+	{
+		"constant": true,
+		"inputs": [{ "name": "_owner", "type": "address" }],
+		"name": "balanceOf",
+		"outputs": [{ "name": "balance", "type": "uint256" }],
+		"payable": false,
+		"stateMutability": "view",
+		"type": "function"
+	}
+]`

api/gateway/chain/internal/service/gateway/commands/wallet/proto.go

@@ -0,0 +1,42 @@
+package wallet
+
+import (
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage/model"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+func toProtoManagedWallet(wallet *model.ManagedWallet) *chainv1.ManagedWallet {
+	if wallet == nil {
+		return nil
+	}
+	asset := &chainv1.Asset{
+		Chain:           shared.ChainEnumFromName(wallet.Network),
+		TokenSymbol:     wallet.TokenSymbol,
+		ContractAddress: wallet.ContractAddress,
+	}
+	return &chainv1.ManagedWallet{
+		WalletRef:       wallet.WalletRef,
+		OrganizationRef: wallet.OrganizationRef,
+		OwnerRef:        wallet.OwnerRef,
+		Asset:           asset,
+		DepositAddress:  wallet.DepositAddress,
+		Status:          shared.ManagedWalletStatusToProto(wallet.Status),
+		Metadata:        shared.CloneMetadata(wallet.Metadata),
+		CreatedAt:       timestamppb.New(wallet.CreatedAt.UTC()),
+		UpdatedAt:       timestamppb.New(wallet.UpdatedAt.UTC()),
+	}
+}
+
+func toProtoWalletBalance(balance *model.WalletBalance) *chainv1.WalletBalance {
+	if balance == nil {
+		return nil
+	}
+	return &chainv1.WalletBalance{
+		Available:       shared.CloneMoney(balance.Available),
+		PendingInbound:  shared.CloneMoney(balance.PendingInbound),
+		PendingOutbound: shared.CloneMoney(balance.PendingOutbound),
+		CalculatedAt:    timestamppb.New(balance.CalculatedAt.UTC()),
+	}
+}

api/gateway/chain/internal/service/gateway/executor.go

@@ -14,18 +14,19 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/shopspring/decimal"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
 	"go.uber.org/zap"
 
-	"github.com/tech/sendico/chain/gateway/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/keymanager"
-	"github.com/tech/sendico/chain/gateway/storage/model"
+	"github.com/tech/sendico/gateway/chain/storage/model"
 	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 )
 
 // TransferExecutor handles on-chain submission of transfers.
 type TransferExecutor interface {
-	SubmitTransfer(ctx context.Context, transfer *model.Transfer, source *model.ManagedWallet, destinationAddress string, network Network) (string, error)
+	SubmitTransfer(ctx context.Context, transfer *model.Transfer, source *model.ManagedWallet, destinationAddress string, network shared.Network) (string, error)
-	AwaitConfirmation(ctx context.Context, network Network, txHash string) (*types.Receipt, error)
+	AwaitConfirmation(ctx context.Context, network shared.Network, txHash string) (*types.Receipt, error)
 }
 
 // NewOnChainExecutor constructs a TransferExecutor that talks to an EVM-compatible chain.
@@ -45,7 +46,7 @@ type onChainExecutor struct {
 	clients map[string]*ethclient.Client
 }
 
-func (o *onChainExecutor) SubmitTransfer(ctx context.Context, transfer *model.Transfer, source *model.ManagedWallet, destinationAddress string, network Network) (string, error) {
+func (o *onChainExecutor) SubmitTransfer(ctx context.Context, transfer *model.Transfer, source *model.ManagedWallet, destinationAddress string, network shared.Network) (string, error) {
 	if o.keyManager == nil {
 		o.logger.Error("key manager not configured")
 		return "", executorInternal("key manager is not configured", nil)
@@ -237,7 +238,7 @@ func (o *onChainExecutor) getClient(ctx context.Context, rpcURL string) (*ethcli
 	return c, nil
 }
 
-func (o *onChainExecutor) AwaitConfirmation(ctx context.Context, network Network, txHash string) (*types.Receipt, error) {
+func (o *onChainExecutor) AwaitConfirmation(ctx context.Context, network shared.Network, txHash string) (*types.Receipt, error) {
 	if strings.TrimSpace(txHash) == "" {
 		o.logger.Warn("missing transaction hash for confirmation", zap.String("network", network.Name))
 		return nil, executorInvalid("tx hash is required")

api/gateway/chain/internal/service/gateway/options.go

@@ -3,35 +3,14 @@ package gateway
 import (
 	"strings"
 
-	"github.com/tech/sendico/chain/gateway/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
 	clockpkg "github.com/tech/sendico/pkg/clock"
 )
 
 // Option configures the Service.
 type Option func(*Service)
 
-// Network describes a supported blockchain network and known token contracts.
-type Network struct {
-	Name         string
-	RPCURL       string
-	ChainID      uint64
-	NativeToken  string
-	TokenConfigs []TokenContract
-}
-
-// TokenContract captures the metadata needed to work with a specific on-chain token.
-type TokenContract struct {
-	Symbol          string
-	ContractAddress string
-}
-
-// ServiceWallet captures the managed service wallet configuration.
-type ServiceWallet struct {
-	Network    string
-	Address    string
-	PrivateKey string
-}
-
 // WithKeyManager configures the service key manager.
 func WithKeyManager(manager keymanager.Manager) Option {
 	return func(s *Service) {
@@ -47,13 +26,13 @@ func WithTransferExecutor(executor TransferExecutor) Option {
 }
 
 // WithNetworks configures supported blockchain networks.
-func WithNetworks(networks []Network) Option {
+func WithNetworks(networks []shared.Network) Option {
 	return func(s *Service) {
 		if len(networks) == 0 {
 			return
 		}
 		if s.networks == nil {
-			s.networks = make(map[string]Network, len(networks))
+			s.networks = make(map[string]shared.Network, len(networks))
 		}
 		for _, network := range networks {
 			if network.Name == "" {
@@ -61,7 +40,7 @@ func WithNetworks(networks []Network) Option {
 			}
 			clone := network
 			if clone.TokenConfigs == nil {
-				clone.TokenConfigs = []TokenContract{}
+				clone.TokenConfigs = []shared.TokenContract{}
 			}
 			for i := range clone.TokenConfigs {
 				clone.TokenConfigs[i].Symbol = strings.ToUpper(strings.TrimSpace(clone.TokenConfigs[i].Symbol))
@@ -74,7 +53,7 @@ func WithNetworks(networks []Network) Option {
 }
 
 // WithServiceWallet configures the service wallet binding.
-func WithServiceWallet(wallet ServiceWallet) Option {
+func WithServiceWallet(wallet shared.ServiceWallet) Option {
 	return func(s *Service) {
 		s.serviceWallet = wallet
 	}
@@ -88,3 +67,10 @@ func WithClock(clk clockpkg.Clock) Option {
 		}
 	}
 }
+
+// WithSettings applies gateway settings.
+func WithSettings(settings CacheSettings) Option {
+	return func(s *Service) {
+		s.settings = settings.withDefaults()
+	}
+}

api/gateway/chain/internal/service/gateway/service.go

@@ -0,0 +1,159 @@
+package gateway
+
+import (
+	"context"
+
+	"github.com/tech/sendico/gateway/chain/internal/keymanager"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/commands"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/commands/transfer"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/commands/wallet"
+	"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
+	"github.com/tech/sendico/gateway/chain/storage"
+	"github.com/tech/sendico/pkg/api/routers"
+	"github.com/tech/sendico/pkg/api/routers/gsresponse"
+	clockpkg "github.com/tech/sendico/pkg/clock"
+	msg "github.com/tech/sendico/pkg/messaging"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/mservice"
+	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	"google.golang.org/grpc"
+)
+
+type serviceError string
+
+func (e serviceError) Error() string {
+	return string(e)
+}
+
+var (
+	errStorageUnavailable = serviceError("chain_gateway: storage not initialised")
+)
+
+// Service implements the ChainGatewayService RPC contract.
+type Service struct {
+	logger   mlogger.Logger
+	storage  storage.Repository
+	producer msg.Producer
+	clock    clockpkg.Clock
+
+	settings CacheSettings
+
+	networks      map[string]shared.Network
+	serviceWallet shared.ServiceWallet
+	keyManager    keymanager.Manager
+	executor      TransferExecutor
+	commands      commands.Registry
+
+	chainv1.UnimplementedChainGatewayServiceServer
+}
+
+// NewService constructs the chain gateway service skeleton.
+func NewService(logger mlogger.Logger, repo storage.Repository, producer msg.Producer, opts ...Option) *Service {
+	svc := &Service{
+		logger:   logger.Named("service"),
+		storage:  repo,
+		producer: producer,
+		clock:    clockpkg.System{},
+		settings: defaultSettings(),
+		networks: map[string]shared.Network{},
+	}
+
+	initMetrics()
+
+	for _, opt := range opts {
+		if opt != nil {
+			opt(svc)
+		}
+	}
+
+	if svc.clock == nil {
+		svc.clock = clockpkg.System{}
+	}
+	if svc.networks == nil {
+		svc.networks = map[string]shared.Network{}
+	}
+	svc.settings = svc.settings.withDefaults()
+
+	svc.commands = commands.NewRegistry(commands.RegistryDeps{
+		Wallet:   commandsWalletDeps(svc),
+		Transfer: commandsTransferDeps(svc),
+	})
+
+	return svc
+}
+
+// Register wires the service onto the provided gRPC router.
+func (s *Service) Register(router routers.GRPC) error {
+	return router.Register(func(reg grpc.ServiceRegistrar) {
+		chainv1.RegisterChainGatewayServiceServer(reg, s)
+	})
+}
+
+func (s *Service) CreateManagedWallet(ctx context.Context, req *chainv1.CreateManagedWalletRequest) (*chainv1.CreateManagedWalletResponse, error) {
+	return executeUnary(ctx, s, "CreateManagedWallet", s.commands.CreateManagedWallet.Execute, req)
+}
+
+func (s *Service) GetManagedWallet(ctx context.Context, req *chainv1.GetManagedWalletRequest) (*chainv1.GetManagedWalletResponse, error) {
+	return executeUnary(ctx, s, "GetManagedWallet", s.commands.GetManagedWallet.Execute, req)
+}
+
+func (s *Service) ListManagedWallets(ctx context.Context, req *chainv1.ListManagedWalletsRequest) (*chainv1.ListManagedWalletsResponse, error) {
+	return executeUnary(ctx, s, "ListManagedWallets", s.commands.ListManagedWallets.Execute, req)
+}
+
+func (s *Service) GetWalletBalance(ctx context.Context, req *chainv1.GetWalletBalanceRequest) (*chainv1.GetWalletBalanceResponse, error) {
+	return executeUnary(ctx, s, "GetWalletBalance", s.commands.GetWalletBalance.Execute, req)
+}
+
+func (s *Service) SubmitTransfer(ctx context.Context, req *chainv1.SubmitTransferRequest) (*chainv1.SubmitTransferResponse, error) {
+	return executeUnary(ctx, s, "SubmitTransfer", s.commands.SubmitTransfer.Execute, req)
+}
+
+func (s *Service) GetTransfer(ctx context.Context, req *chainv1.GetTransferRequest) (*chainv1.GetTransferResponse, error) {
+	return executeUnary(ctx, s, "GetTransfer", s.commands.GetTransfer.Execute, req)
+}
+
+func (s *Service) ListTransfers(ctx context.Context, req *chainv1.ListTransfersRequest) (*chainv1.ListTransfersResponse, error) {
+	return executeUnary(ctx, s, "ListTransfers", s.commands.ListTransfers.Execute, req)
+}
+
+func (s *Service) EstimateTransferFee(ctx context.Context, req *chainv1.EstimateTransferFeeRequest) (*chainv1.EstimateTransferFeeResponse, error) {
+	return executeUnary(ctx, s, "EstimateTransferFee", s.commands.EstimateTransfer.Execute, req)
+}
+
+func (s *Service) ensureRepository(ctx context.Context) error {
+	if s.storage == nil {
+		return errStorageUnavailable
+	}
+	return s.storage.Ping(ctx)
+}
+
+func commandsWalletDeps(s *Service) wallet.Deps {
+	return wallet.Deps{
+		Logger:           s.logger.Named("command"),
+		Networks:         s.networks,
+		KeyManager:       s.keyManager,
+		Storage:          s.storage,
+		Clock:            s.clock,
+		BalanceCacheTTL:  s.settings.walletBalanceCacheTTL(),
+		EnsureRepository: s.ensureRepository,
+	}
+}
+
+func commandsTransferDeps(s *Service) transfer.Deps {
+	return transfer.Deps{
+		Logger:           s.logger.Named("transfer_cmd"),
+		Networks:         s.networks,
+		Storage:          s.storage,
+		Clock:            s.clock,
+		EnsureRepository: s.ensureRepository,
+		LaunchExecution:  s.launchTransferExecution,
+	}
+}
+
+func executeUnary[TReq any, TResp any](ctx context.Context, svc *Service, method string, handler func(context.Context, *TReq) gsresponse.Responder[TResp], req *TReq) (*TResp, error) {
+	start := svc.clock.Now()
+	resp, err := gsresponse.Unary(svc.logger, mservice.ChainGateway, handler)(ctx, req)
+	observeRPC(method, err, svc.clock.Now().Sub(start))
+	return resp, err
+}