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sendico/api/gateway/chain/internal/service/gateway/connector.go
2026-03-04 15:41:28 +01:00

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package gateway
import (
"context"
"errors"
"fmt"
"strings"
"github.com/tech/sendico/gateway/chain/internal/appversion"
"github.com/tech/sendico/gateway/chain/internal/service/gateway/shared"
chainstoragemodel "github.com/tech/sendico/gateway/chain/storage/model"
chainasset "github.com/tech/sendico/pkg/chain"
"github.com/tech/sendico/pkg/connector/params"
"github.com/tech/sendico/pkg/merrors"
describablev1 "github.com/tech/sendico/pkg/proto/common/describable/v1"
moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
connectorv1 "github.com/tech/sendico/pkg/proto/connector/v1"
chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
"go.uber.org/zap"
"google.golang.org/protobuf/types/known/structpb"
"google.golang.org/protobuf/types/known/timestamppb"
)
const chainConnectorID = "chain"
func (s *Service) GetCapabilities(_ context.Context, _ *connectorv1.GetCapabilitiesRequest) (*connectorv1.GetCapabilitiesResponse, error) {
return &connectorv1.GetCapabilitiesResponse{
Capabilities: &connectorv1.ConnectorCapabilities{
ConnectorType: chainConnectorID,
Version: appversion.Create().Short(),
SupportedAccountKinds: []connectorv1.AccountKind{connectorv1.AccountKind_CHAIN_MANAGED_WALLET},
SupportedOperationTypes: []connectorv1.OperationType{
connectorv1.OperationType_TRANSFER,
connectorv1.OperationType_FEE_ESTIMATE,
connectorv1.OperationType_GAS_TOPUP,
},
OpenAccountParams: chainOpenAccountParams(),
OperationParams: chainOperationParams(),
},
}, nil
}
func (s *Service) OpenAccount(ctx context.Context, req *connectorv1.OpenAccountRequest) (*connectorv1.OpenAccountResponse, error) {
if req == nil {
return &connectorv1.OpenAccountResponse{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "open_account: request is required", nil, "")}, nil
}
if req.GetKind() != connectorv1.AccountKind_CHAIN_MANAGED_WALLET {
return &connectorv1.OpenAccountResponse{Error: connectorError(connectorv1.ErrorCode_UNSUPPORTED_ACCOUNT_KIND, "open_account: unsupported account kind", nil, "")}, nil
}
reader := params.New(req.GetParams())
orgRef := strings.TrimSpace(reader.String("organization_ref"))
if orgRef == "" {
return &connectorv1.OpenAccountResponse{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "open_account: organization_ref is required", nil, "")}, nil
}
asset, err := parseChainAsset(strings.TrimSpace(req.GetAsset()), reader)
if err != nil {
return &connectorv1.OpenAccountResponse{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, err.Error(), nil, "")}, nil
}
resp, err := s.CreateManagedWallet(ctx, &chainv1.CreateManagedWalletRequest{
IdempotencyKey: strings.TrimSpace(req.GetIdempotencyKey()),
OrganizationRef: orgRef,
OwnerRef: strings.TrimSpace(req.GetOwnerRef()),
Asset: asset,
Metadata: shared.CloneMetadata(reader.StringMap("metadata")),
Describable: describableFromLabel(req.GetLabel(), reader.String("description")),
})
if err != nil {
return &connectorv1.OpenAccountResponse{Error: connectorError(mapErrorCode(err), err.Error(), nil, "")}, nil
}
return &connectorv1.OpenAccountResponse{Account: chainWalletToAccount(resp.GetWallet())}, nil
}
func (s *Service) GetAccount(ctx context.Context, req *connectorv1.GetAccountRequest) (*connectorv1.GetAccountResponse, error) {
if req == nil || req.GetAccountRef() == nil || strings.TrimSpace(req.GetAccountRef().GetAccountId()) == "" {
return nil, merrors.InvalidArgument("get_account: account_ref.account_id is required")
}
resp, err := s.GetManagedWallet(ctx, &chainv1.GetManagedWalletRequest{WalletRef: strings.TrimSpace(req.GetAccountRef().GetAccountId())})
if err != nil {
return nil, err
}
return &connectorv1.GetAccountResponse{Account: chainWalletToAccount(resp.GetWallet())}, nil
}
func (s *Service) ListAccounts(ctx context.Context, req *connectorv1.ListAccountsRequest) (*connectorv1.ListAccountsResponse, error) {
if req == nil {
return nil, merrors.InvalidArgument("list_accounts: request is required")
}
asset := (*chainv1.Asset)(nil)
if assetString := strings.TrimSpace(req.GetAsset()); assetString != "" {
parsed, err := parseChainAsset(assetString, params.New(nil))
if err != nil {
s.logger.Warn("Error listing accounts", zap.Error(err))
return nil, err
}
asset = parsed
}
resp, err := s.ListManagedWallets(ctx, &chainv1.ListManagedWalletsRequest{
OrganizationRef: strings.TrimSpace(req.GetOrganizationRef()),
OwnerRefFilter: req.GetOwnerRefFilter(),
Asset: asset,
Page: req.GetPage(),
})
if err != nil {
return nil, err
}
accounts := make([]*connectorv1.Account, 0, len(resp.GetWallets()))
for _, wallet := range resp.GetWallets() {
accounts = append(accounts, chainWalletToAccount(wallet))
}
return &connectorv1.ListAccountsResponse{
Accounts: accounts,
Page: resp.GetPage(),
}, nil
}
func (s *Service) GetBalance(ctx context.Context, req *connectorv1.GetBalanceRequest) (*connectorv1.GetBalanceResponse, error) {
if req == nil || req.GetAccountRef() == nil || strings.TrimSpace(req.GetAccountRef().GetAccountId()) == "" {
return nil, merrors.InvalidArgument("get_balance: account_ref.account_id is required")
}
resp, err := s.GetWalletBalance(ctx, &chainv1.GetWalletBalanceRequest{WalletRef: strings.TrimSpace(req.GetAccountRef().GetAccountId())})
if err != nil {
return nil, err
}
bal := resp.GetBalance()
return &connectorv1.GetBalanceResponse{
Balance: &connectorv1.Balance{
AccountRef: req.GetAccountRef(),
Available: bal.GetAvailable(),
PendingInbound: bal.GetPendingInbound(),
PendingOutbound: bal.GetPendingOutbound(),
CalculatedAt: bal.GetCalculatedAt(),
},
}, nil
}
func (s *Service) SubmitOperation(ctx context.Context, req *connectorv1.SubmitOperationRequest) (*connectorv1.SubmitOperationResponse, error) {
if req == nil || req.GetOperation() == nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "submit_operation: operation is required", nil, "")}}, nil
}
op := req.GetOperation()
if strings.TrimSpace(op.GetIdempotencyKey()) == "" {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "submit_operation: idempotency_key is required", op, "")}}, nil
}
reader := params.New(op.GetParams())
orgRef := strings.TrimSpace(reader.String("organization_ref"))
source := operationAccountID(op.GetFrom())
if source == "" {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "operation: from.account is required", op, "")}}, nil
}
switch op.GetType() {
case connectorv1.OperationType_TRANSFER:
dest, err := transferDestinationFromOperation(op)
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, err.Error(), op, "")}}, nil
}
amount := op.GetMoney()
if amount == nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "transfer: money is required", op, "")}}, nil
}
amount = normalizeMoneyForChain(amount)
if orgRef == "" {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "transfer: organization_ref is required", op, "")}}, nil
}
resp, err := s.SubmitTransfer(ctx, &chainv1.SubmitTransferRequest{
IdempotencyKey: strings.TrimSpace(op.GetIdempotencyKey()),
OrganizationRef: orgRef,
SourceWalletRef: source,
IntentRef: strings.TrimSpace(op.GetIntentRef()),
OperationRef: op.GetOperationRef(),
Destination: dest,
Amount: amount,
Fees: parseChainFees(reader),
Metadata: shared.CloneMetadata(reader.StringMap("metadata")),
PaymentRef: strings.TrimSpace(reader.String("payment_ref")),
})
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(mapErrorCode(err), err.Error(), op, "")}}, nil
}
transfer := resp.GetTransfer()
return &connectorv1.SubmitOperationResponse{
Receipt: &connectorv1.OperationReceipt{
OperationId: strings.TrimSpace(transfer.GetTransferRef()),
Status: chainTransferStatusToOperation(transfer.GetStatus()),
ProviderRef: strings.TrimSpace(transfer.GetTransactionHash()),
},
}, nil
case connectorv1.OperationType_FEE_ESTIMATE:
dest, err := transferDestinationFromOperation(op)
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, err.Error(), op, "")}}, nil
}
amount := op.GetMoney()
if amount == nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "estimate: money is required", op, "")}}, nil
}
amount = normalizeMoneyForChain(amount)
opID := strings.TrimSpace(op.GetOperationId())
if opID == "" {
opID = strings.TrimSpace(op.GetIdempotencyKey())
}
resp, err := s.EstimateTransferFee(ctx, &chainv1.EstimateTransferFeeRequest{
SourceWalletRef: source,
Destination: dest,
Amount: amount,
})
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(mapErrorCode(err), err.Error(), op, "")}}, nil
}
result := feeEstimateResult(resp)
return &connectorv1.SubmitOperationResponse{
Receipt: &connectorv1.OperationReceipt{
OperationId: opID,
Status: connectorv1.OperationStatus_OPERATION_SUCCESS,
Result: result,
},
}, nil
case connectorv1.OperationType_GAS_TOPUP:
fee, err := parseMoneyFromMap(reader.Map("estimated_total_fee"))
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, err.Error(), op, "")}}, nil
}
fee = normalizeMoneyForChain(fee)
mode := strings.ToLower(strings.TrimSpace(reader.String("mode")))
if mode == "" {
mode = "compute"
}
switch mode {
case "compute":
opID := strings.TrimSpace(op.GetOperationId())
if opID == "" {
opID = strings.TrimSpace(op.GetIdempotencyKey())
}
resp, err := s.ComputeGasTopUp(ctx, &chainv1.ComputeGasTopUpRequest{
WalletRef: source,
EstimatedTotalFee: fee,
})
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(mapErrorCode(err), err.Error(), op, "")}}, nil
}
return &connectorv1.SubmitOperationResponse{
Receipt: &connectorv1.OperationReceipt{
OperationId: opID,
Status: connectorv1.OperationStatus_OPERATION_SUCCESS,
Result: gasTopUpResult(resp.GetTopupAmount(), resp.GetCapHit(), ""),
},
}, nil
case "ensure":
opID := strings.TrimSpace(op.GetOperationId())
if opID == "" {
opID = strings.TrimSpace(op.GetIdempotencyKey())
}
if orgRef == "" {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "gas_topup: organization_ref is required", op, "")}}, nil
}
target := strings.TrimSpace(reader.String("target_wallet_ref"))
if target == "" {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "gas_topup: target_wallet_ref is required", op, "")}}, nil
}
resp, err := s.EnsureGasTopUp(ctx, &chainv1.EnsureGasTopUpRequest{
IdempotencyKey: strings.TrimSpace(op.GetIdempotencyKey()),
IntentRef: strings.TrimSpace(op.GetIntentRef()),
OperationRef: strings.TrimSpace(op.GetOperationRef()),
OrganizationRef: orgRef,
SourceWalletRef: source,
TargetWalletRef: target,
EstimatedTotalFee: fee,
Metadata: shared.CloneMetadata(reader.StringMap("metadata")),
PaymentRef: strings.TrimSpace(reader.String("payment_ref")),
})
if err != nil {
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(mapErrorCode(err), err.Error(), op, "")}}, nil
}
transferRef := ""
if transfer := resp.GetTransfer(); transfer != nil {
transferRef = strings.TrimSpace(transfer.GetTransferRef())
}
return &connectorv1.SubmitOperationResponse{
Receipt: &connectorv1.OperationReceipt{
OperationId: opID,
Status: shared.СhainTransferStatusToOperation(resp.GetTransfer().GetStatus()),
Result: gasTopUpResult(resp.GetTopupAmount(), resp.GetCapHit(), transferRef),
},
}, nil
default:
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_INVALID_PARAMS, "gas_topup: invalid mode", op, "")}}, nil
}
default:
return &connectorv1.SubmitOperationResponse{Receipt: &connectorv1.OperationReceipt{Error: connectorError(connectorv1.ErrorCode_UNSUPPORTED_OPERATION, "submit_operation: unsupported operation type", op, "")}}, nil
}
}
func (s *Service) GetOperation(ctx context.Context, req *connectorv1.GetOperationRequest) (*connectorv1.GetOperationResponse, error) {
if req == nil || strings.TrimSpace(req.GetOperationId()) == "" {
return nil, merrors.InvalidArgument("get_operation: operation_id is required")
}
operationRef := strings.TrimSpace(req.GetOperationId())
if s.storage == nil || s.storage.Transfers() == nil {
return nil, merrors.Internal("get_operation: storage is not configured")
}
transfer, err := s.storage.Transfers().FindByOperationRef(ctx, "", operationRef)
if err != nil {
return nil, err
}
if transfer == nil {
return nil, merrors.NoData("transfer not found")
}
return &connectorv1.GetOperationResponse{Operation: chainTransferToOperation(storageTransferToProto(transfer))}, nil
}
func (s *Service) ListOperations(ctx context.Context, req *connectorv1.ListOperationsRequest) (*connectorv1.ListOperationsResponse, error) {
if req == nil {
return nil, merrors.InvalidArgument("list_operations: request is required")
}
source := ""
if req.GetAccountRef() != nil {
source = strings.TrimSpace(req.GetAccountRef().GetAccountId())
}
resp, err := s.ListTransfers(ctx, &chainv1.ListTransfersRequest{
SourceWalletRef: source,
Status: chainStatusFromOperation(req.GetStatus()),
Page: req.GetPage(),
})
if err != nil {
return nil, err
}
ops := make([]*connectorv1.Operation, 0, len(resp.GetTransfers()))
for _, transfer := range resp.GetTransfers() {
ops = append(ops, chainTransferToOperation(transfer))
}
return &connectorv1.ListOperationsResponse{Operations: ops, Page: resp.GetPage()}, nil
}
func chainOpenAccountParams() []*connectorv1.ParamSpec {
return []*connectorv1.ParamSpec{
{Key: "organization_ref", Type: connectorv1.ParamType_STRING, Required: true, Description: "Organization reference for the wallet."},
{Key: "network", Type: connectorv1.ParamType_STRING, Required: true, Description: "Blockchain network name."},
{Key: "token_symbol", Type: connectorv1.ParamType_STRING, Required: true, Description: "Token symbol (e.g., USDT)."},
{Key: "contract_address", Type: connectorv1.ParamType_STRING, Required: false, Description: "Token contract address override."},
{Key: "metadata", Type: connectorv1.ParamType_JSON, Required: false, Description: "Additional metadata map."},
{Key: "description", Type: connectorv1.ParamType_STRING, Required: false, Description: "Wallet description."},
}
}
func chainOperationParams() []*connectorv1.OperationParamSpec {
return []*connectorv1.OperationParamSpec{
{OperationType: connectorv1.OperationType_TRANSFER, Params: []*connectorv1.ParamSpec{
{Key: "organization_ref", Type: connectorv1.ParamType_STRING, Required: true, Description: "Organization reference."},
{Key: "destination_memo", Type: connectorv1.ParamType_STRING, Required: false, Description: "Destination memo/tag."},
{Key: "client_reference", Type: connectorv1.ParamType_STRING, Required: false, Description: "Client reference id."},
{Key: "metadata", Type: connectorv1.ParamType_JSON, Required: false, Description: "Transfer metadata."},
{Key: "fees", Type: connectorv1.ParamType_JSON, Required: false, Description: "Service fee breakdowns."},
}},
{OperationType: connectorv1.OperationType_FEE_ESTIMATE, Params: []*connectorv1.ParamSpec{
{Key: "organization_ref", Type: connectorv1.ParamType_STRING, Required: false, Description: "Organization reference."},
{Key: "metadata", Type: connectorv1.ParamType_JSON, Required: false, Description: "Estimate metadata."},
}},
{OperationType: connectorv1.OperationType_GAS_TOPUP, Params: []*connectorv1.ParamSpec{
{Key: "mode", Type: connectorv1.ParamType_STRING, Required: false, Description: "compute | ensure."},
{Key: "organization_ref", Type: connectorv1.ParamType_STRING, Required: false, Description: "Organization reference (required for ensure)."},
{Key: "target_wallet_ref", Type: connectorv1.ParamType_STRING, Required: false, Description: "Target wallet ref (ensure)."},
{Key: "estimated_total_fee", Type: connectorv1.ParamType_JSON, Required: true, Description: "Estimated total fee {amount,currency}."},
{Key: "client_reference", Type: connectorv1.ParamType_STRING, Required: false, Description: "Client reference."},
{Key: "metadata", Type: connectorv1.ParamType_JSON, Required: false, Description: "Top-up metadata."},
}},
}
}
func chainWalletToAccount(wallet *chainv1.ManagedWallet) *connectorv1.Account {
if wallet == nil {
return nil
}
details, _ := structpb.NewStruct(map[string]interface{}{
"deposit_address": wallet.GetDepositAddress(),
"organization_ref": wallet.GetOrganizationRef(),
"owner_ref": wallet.GetOwnerRef(),
"network": wallet.GetAsset().GetChain().String(),
"token_symbol": wallet.GetAsset().GetTokenSymbol(),
"contract_address": wallet.GetAsset().GetContractAddress(),
"wallet_ref": wallet.GetWalletRef(),
})
return &connectorv1.Account{
Ref: &connectorv1.AccountRef{
ConnectorId: chainConnectorID,
AccountId: strings.TrimSpace(wallet.GetWalletRef()),
},
Kind: connectorv1.AccountKind_CHAIN_MANAGED_WALLET,
Asset: chainasset.AssetString(wallet.GetAsset()),
State: chainWalletState(wallet.GetStatus()),
Label: strings.TrimSpace(wallet.GetDescribable().GetName()),
OwnerRef: strings.TrimSpace(wallet.GetOwnerRef()),
ProviderDetails: details,
CreatedAt: wallet.GetCreatedAt(),
UpdatedAt: wallet.GetUpdatedAt(),
Describable: wallet.GetDescribable(),
}
}
func chainWalletState(status chainv1.ManagedWalletStatus) connectorv1.AccountState {
switch status {
case chainv1.ManagedWalletStatus_MANAGED_WALLET_ACTIVE:
return connectorv1.AccountState_ACCOUNT_ACTIVE
case chainv1.ManagedWalletStatus_MANAGED_WALLET_SUSPENDED:
return connectorv1.AccountState_ACCOUNT_SUSPENDED
case chainv1.ManagedWalletStatus_MANAGED_WALLET_CLOSED:
return connectorv1.AccountState_ACCOUNT_CLOSED
default:
return connectorv1.AccountState_ACCOUNT_STATE_UNSPECIFIED
}
}
func transferDestinationFromOperation(op *connectorv1.Operation) (*chainv1.TransferDestination, error) {
if op == nil {
return nil, merrors.InvalidArgument("transfer: operation is required")
}
if to := op.GetTo(); to != nil {
if account := to.GetAccount(); account != nil {
return &chainv1.TransferDestination{Destination: &chainv1.TransferDestination_ManagedWalletRef{ManagedWalletRef: strings.TrimSpace(account.GetAccountId())}}, nil
}
if ext := to.GetExternal(); ext != nil {
return &chainv1.TransferDestination{Destination: &chainv1.TransferDestination_ExternalAddress{ExternalAddress: strings.TrimSpace(ext.GetExternalRef())}}, nil
}
}
return nil, merrors.InvalidArgument("transfer: to.account or to.external is required")
}
func normalizeMoneyForChain(m *moneyv1.Money) *moneyv1.Money {
if m == nil {
return nil
}
currency := strings.TrimSpace(m.GetCurrency())
if idx := strings.Index(currency, "-"); idx > 0 {
currency = currency[:idx]
}
return &moneyv1.Money{
Amount: strings.TrimSpace(m.GetAmount()),
Currency: currency,
}
}
func parseChainFees(reader params.Reader) []*chainv1.ServiceFeeBreakdown {
rawFees := reader.List("fees")
if len(rawFees) == 0 {
return nil
}
result := make([]*chainv1.ServiceFeeBreakdown, 0, len(rawFees))
for _, item := range rawFees {
raw, ok := item.(map[string]interface{})
if !ok {
continue
}
amount := strings.TrimSpace(fmt.Sprint(raw["amount"]))
currency := strings.TrimSpace(fmt.Sprint(raw["currency"]))
if amount == "" || currency == "" {
continue
}
result = append(result, &chainv1.ServiceFeeBreakdown{
FeeCode: strings.TrimSpace(fmt.Sprint(raw["fee_code"])),
Description: strings.TrimSpace(fmt.Sprint(raw["description"])),
Amount: &moneyv1.Money{Amount: amount, Currency: currency},
})
}
if len(result) == 0 {
return nil
}
return result
}
func parseMoneyFromMap(raw map[string]interface{}) (*moneyv1.Money, error) {
if raw == nil {
return nil, merrors.InvalidArgument("money is required")
}
amount := strings.TrimSpace(fmt.Sprint(raw["amount"]))
currency := strings.TrimSpace(fmt.Sprint(raw["currency"]))
if amount == "" || currency == "" {
return nil, merrors.InvalidArgument("money is required")
}
return &moneyv1.Money{
Amount: amount,
Currency: currency,
}, nil
}
func feeEstimateResult(resp *chainv1.EstimateTransferFeeResponse) *structpb.Struct {
if resp == nil {
return nil
}
payload := map[string]interface{}{
"estimation_context": strings.TrimSpace(resp.GetEstimationContext()),
}
if fee := resp.GetNetworkFee(); fee != nil {
payload["network_fee"] = map[string]interface{}{
"amount": strings.TrimSpace(fee.GetAmount()),
"currency": strings.TrimSpace(fee.GetCurrency()),
}
}
result, err := structpb.NewStruct(payload)
if err != nil {
return nil
}
return result
}
func storageTransferToProto(transfer *chainstoragemodel.Transfer) *chainv1.Transfer {
if transfer == nil {
return nil
}
destination := &chainv1.TransferDestination{Memo: strings.TrimSpace(transfer.Destination.Memo)}
if managedWalletRef := strings.TrimSpace(transfer.Destination.ManagedWalletRef); managedWalletRef != "" {
destination.Destination = &chainv1.TransferDestination_ManagedWalletRef{ManagedWalletRef: managedWalletRef}
} else if externalAddress := strings.TrimSpace(transfer.Destination.ExternalAddress); externalAddress != "" {
destination.Destination = &chainv1.TransferDestination_ExternalAddress{ExternalAddress: externalAddress}
}
fees := make([]*chainv1.ServiceFeeBreakdown, 0, len(transfer.Fees))
for _, fee := range transfer.Fees {
fees = append(fees, &chainv1.ServiceFeeBreakdown{
FeeCode: strings.TrimSpace(fee.FeeCode),
Amount: fee.Amount,
Description: strings.TrimSpace(fee.Description),
})
}
asset := &chainv1.Asset{
Chain: shared.ChainEnumFromName(transfer.Network),
TokenSymbol: strings.TrimSpace(transfer.TokenSymbol),
ContractAddress: strings.TrimSpace(transfer.ContractAddress),
}
protoTransfer := &chainv1.Transfer{
TransferRef: strings.TrimSpace(transfer.TransferRef),
IdempotencyKey: strings.TrimSpace(transfer.IdempotencyKey),
IntentRef: strings.TrimSpace(transfer.IntentRef),
OperationRef: strings.TrimSpace(transfer.OperationRef),
OrganizationRef: strings.TrimSpace(transfer.OrganizationRef),
SourceWalletRef: strings.TrimSpace(transfer.SourceWalletRef),
Destination: destination,
Asset: asset,
RequestedAmount: shared.MonenyToProto(transfer.RequestedAmount),
NetAmount: shared.MonenyToProto(transfer.NetAmount),
Fees: fees,
Status: shared.TransferStatusToProto(transfer.Status),
TransactionHash: strings.TrimSpace(transfer.TxHash),
FailureReason: strings.TrimSpace(transfer.FailureReason),
PaymentRef: strings.TrimSpace(transfer.PaymentRef),
}
if !transfer.CreatedAt.IsZero() {
protoTransfer.CreatedAt = timestamppb.New(transfer.CreatedAt.UTC())
}
if !transfer.UpdatedAt.IsZero() {
protoTransfer.UpdatedAt = timestamppb.New(transfer.UpdatedAt.UTC())
}
return protoTransfer
}
func gasTopUpResult(amount *moneyv1.Money, capHit bool, transferRef string) *structpb.Struct {
payload := map[string]interface{}{
"cap_hit": capHit,
}
if amount != nil {
payload["topup_amount"] = map[string]interface{}{
"amount": strings.TrimSpace(amount.GetAmount()),
"currency": strings.TrimSpace(amount.GetCurrency()),
}
}
if strings.TrimSpace(transferRef) != "" {
payload["transfer_ref"] = strings.TrimSpace(transferRef)
}
result, err := structpb.NewStruct(payload)
if err != nil {
return nil
}
return result
}
func chainTransferToOperation(transfer *chainv1.Transfer) *connectorv1.Operation {
if transfer == nil {
return nil
}
op := &connectorv1.Operation{
OperationId: strings.TrimSpace(transfer.GetTransferRef()),
Type: connectorv1.OperationType_TRANSFER,
Status: chainTransferStatusToOperation(transfer.GetStatus()),
Money: transfer.GetRequestedAmount(),
ProviderRef: strings.TrimSpace(transfer.GetTransactionHash()),
IntentRef: strings.TrimSpace(transfer.GetIntentRef()),
OperationRef: strings.TrimSpace(transfer.GetOperationRef()),
CreatedAt: transfer.GetCreatedAt(),
UpdatedAt: transfer.GetUpdatedAt(),
From: &connectorv1.OperationParty{Ref: &connectorv1.OperationParty_Account{Account: &connectorv1.AccountRef{
ConnectorId: chainConnectorID,
AccountId: strings.TrimSpace(transfer.GetSourceWalletRef()),
}}},
}
params := map[string]interface{}{}
if paymentRef := strings.TrimSpace(transfer.GetPaymentRef()); paymentRef != "" {
params["payment_ref"] = paymentRef
}
if organizationRef := strings.TrimSpace(transfer.GetOrganizationRef()); organizationRef != "" {
params["organization_ref"] = organizationRef
}
if failureReason := strings.TrimSpace(transfer.GetFailureReason()); failureReason != "" {
params["failure_reason"] = failureReason
}
if len(params) > 0 {
op.Params = structFromMap(params)
}
if dest := transfer.GetDestination(); dest != nil {
switch d := dest.GetDestination().(type) {
case *chainv1.TransferDestination_ManagedWalletRef:
op.To = &connectorv1.OperationParty{Ref: &connectorv1.OperationParty_Account{Account: &connectorv1.AccountRef{
ConnectorId: chainConnectorID,
AccountId: strings.TrimSpace(d.ManagedWalletRef),
}}}
case *chainv1.TransferDestination_ExternalAddress:
op.To = &connectorv1.OperationParty{Ref: &connectorv1.OperationParty_External{External: &connectorv1.ExternalRef{
ExternalRef: strings.TrimSpace(d.ExternalAddress),
}}}
}
}
return op
}
func chainTransferStatusToOperation(status chainv1.TransferStatus) connectorv1.OperationStatus {
switch status {
case chainv1.TransferStatus_TRANSFER_CREATED:
return connectorv1.OperationStatus_OPERATION_CREATED
case chainv1.TransferStatus_TRANSFER_PROCESSING:
return connectorv1.OperationStatus_OPERATION_PROCESSING
case chainv1.TransferStatus_TRANSFER_WAITING:
return connectorv1.OperationStatus_OPERATION_WAITING
case chainv1.TransferStatus_TRANSFER_SUCCESS:
return connectorv1.OperationStatus_OPERATION_SUCCESS
case chainv1.TransferStatus_TRANSFER_FAILED:
return connectorv1.OperationStatus_OPERATION_FAILED
case chainv1.TransferStatus_TRANSFER_CANCELLED:
return connectorv1.OperationStatus_OPERATION_CANCELLED
default:
return connectorv1.OperationStatus_OPERATION_STATUS_UNSPECIFIED
}
}
func chainStatusFromOperation(status connectorv1.OperationStatus) chainv1.TransferStatus {
switch status {
case connectorv1.OperationStatus_OPERATION_CREATED:
return chainv1.TransferStatus_TRANSFER_CREATED
case connectorv1.OperationStatus_OPERATION_PROCESSING:
return chainv1.TransferStatus_TRANSFER_PROCESSING
case connectorv1.OperationStatus_OPERATION_WAITING:
return chainv1.TransferStatus_TRANSFER_WAITING
case connectorv1.OperationStatus_OPERATION_SUCCESS:
return chainv1.TransferStatus_TRANSFER_SUCCESS
case connectorv1.OperationStatus_OPERATION_FAILED:
return chainv1.TransferStatus_TRANSFER_FAILED
case connectorv1.OperationStatus_OPERATION_CANCELLED:
return chainv1.TransferStatus_TRANSFER_CANCELLED
default:
return chainv1.TransferStatus_TRANSFER_STATUS_UNSPECIFIED
}
}
func parseChainAsset(assetString string, reader params.Reader) (*chainv1.Asset, error) {
return chainasset.ParseAsset(
assetString,
reader.String("network"),
reader.String("token_symbol"),
reader.String("contract_address"),
)
}
func describableFromLabel(label, desc string) *describablev1.Describable {
label = strings.TrimSpace(label)
desc = strings.TrimSpace(desc)
if label == "" && desc == "" {
return nil
}
return &describablev1.Describable{
Name: label,
Description: &desc,
}
}
func operationAccountID(party *connectorv1.OperationParty) string {
if party == nil {
return ""
}
if account := party.GetAccount(); account != nil {
return strings.TrimSpace(account.GetAccountId())
}
return ""
}
func structFromMap(values map[string]interface{}) *structpb.Struct {
if len(values) == 0 {
return nil
}
result, err := structpb.NewStruct(values)
if err != nil {
return nil
}
return result
}
func connectorError(code connectorv1.ErrorCode, message string, op *connectorv1.Operation, accountID string) *connectorv1.ConnectorError {
err := &connectorv1.ConnectorError{
Code: code,
Message: strings.TrimSpace(message),
AccountId: strings.TrimSpace(accountID),
}
if op != nil {
err.CorrelationId = strings.TrimSpace(op.GetCorrelationId())
err.ParentIntentId = strings.TrimSpace(op.GetParentIntentId())
err.OperationId = strings.TrimSpace(op.GetOperationId())
}
return err
}
func mapErrorCode(err error) connectorv1.ErrorCode {
switch {
case errors.Is(err, merrors.ErrInvalidArg):
return connectorv1.ErrorCode_INVALID_PARAMS
case errors.Is(err, merrors.ErrNoData):
return connectorv1.ErrorCode_NOT_FOUND
case errors.Is(err, merrors.ErrNotImplemented):
return connectorv1.ErrorCode_UNSUPPORTED_OPERATION
case errors.Is(err, merrors.ErrInternal):
return connectorv1.ErrorCode_TEMPORARY_UNAVAILABLE
default:
return connectorv1.ErrorCode_PROVIDER_ERROR
}
}