tron driver removed

api/gateway/chain/config.dev.yml

@@ -0,0 +1,75 @@
+runtime:
+  shutdown_timeout_seconds: 15
+
+grpc:
+  network: tcp
+  address: ":50070"
+  advertise_host: "dev-chain-gateway"
+  enable_reflection: true
+  enable_health: true
+
+metrics:
+  address: ":9406"
+
+database:
+  driver: mongodb
+  settings:
+    host_env: CHAIN_GATEWAY_MONGO_HOST
+    port_env: CHAIN_GATEWAY_MONGO_PORT
+    database_env: CHAIN_GATEWAY_MONGO_DATABASE
+    user_env: CHAIN_GATEWAY_MONGO_USER
+    password_env: CHAIN_GATEWAY_MONGO_PASSWORD
+    auth_source_env: CHAIN_GATEWAY_MONGO_AUTH_SOURCE
+    replica_set_env: CHAIN_GATEWAY_MONGO_REPLICA_SET
+
+messaging:
+  driver: NATS
+  settings:
+    url_env: NATS_URL
+    host_env: NATS_HOST
+    port_env: NATS_PORT
+    username_env: NATS_USER
+    password_env: NATS_PASSWORD
+    broker_name: Chain Gateway Service
+    max_reconnects: 10
+    reconnect_wait: 5
+    buffer_size: 1024
+
+chains:
+  - name: arbitrum_sepolia
+    chain_id: 421614
+    native_token: ETH
+    rpc_url_env: CHAIN_GATEWAY_RPC_URL
+
+    gas_topup_policy:
+      buffer_percent: 0.20
+      min_native_balance: 0.002
+      rounding_unit: 0.001
+      max_topup: 0.02
+
+    tokens:
+      # Test USDT (official test deployment)
+      - symbol: USDT
+        contract: "0x5c6b6d1f2f2f6d7b8a9c3e4f5a6b7c8d9e0f1234"
+
+      # Test USDC (Circle test deployment)
+      - symbol: USDC
+        contract: "0x75faf114eafb1bdbe2f0316df893fd58ce46aa4d"
+
+service_wallet:
+  chain: arbitrum_sepolia
+  address_env: CHAIN_GATEWAY_SERVICE_WALLET_ADDRESS
+  private_key_env: CHAIN_GATEWAY_SERVICE_WALLET_KEY
+
+key_management:
+  driver: vault
+  settings:
+    address: "http://dev-vault:8200"
+    token_env: VAULT_TOKEN
+    namespace: ""
+    mount_path: kv
+    key_prefix: gateway/chain/wallets
+
+cache:
+  wallet_balance_ttl_seconds: 120
+  rpc_request_timeout_seconds: 15