Fixed billing fees unreachable error propagation. Added USDT ledger creation. Fixed ledger boundaries operation types

api/server/internal/api/discovery_resolver.go

@@ -19,15 +19,8 @@ import (
 const (
 	discoveryBootstrapTimeout    = 3 * time.Second
 	discoveryBootstrapSender     = "server_bootstrap"
-	discoveryGatewayRailCrypto   = "CRYPTO"
 	defaultClientDialTimeoutSecs = 5
 	defaultClientCallTimeoutSecs = 5
-	paymentQuoteOperation        = "payment.quote"
-	paymentInitiateOperation     = "payment.initiate"
-	ledgerDebitOperation         = "ledger.debit"
-	ledgerCreditOperation        = "ledger.credit"
-	gatewayReadBalanceOperation  = "balance.read"
-	paymentMethodsReadOperation  = "payment_methods.read"
 )
 
 var (
@@ -123,7 +116,7 @@ func (a *APIImp) resolveChainGatewayAddress(gateways []discovery.GatewaySummary)
 	endpoint, selected, ok := selectGatewayEndpoint(
 		gateways,
 		cfg.DefaultAsset.Chain,
-		[]string{gatewayReadBalanceOperation},
+		[]string{discovery.OperationBalanceRead},
 	)
 	if !ok {
 		return
@@ -146,7 +139,7 @@ func (a *APIImp) resolveLedgerAddress(services []discovery.ServiceSummary) {
 	endpoint, selected, ok := selectServiceEndpoint(
 		services,
 		ledgerDiscoveryServiceNames,
-		[]string{ledgerDebitOperation, ledgerCreditOperation},
+		discovery.LedgerServiceOperations(),
 	)
 	if !ok {
 		return
@@ -170,7 +163,7 @@ func (a *APIImp) resolvePaymentOrchestratorAddress(services []discovery.ServiceS
 	endpoint, selected, ok := selectServiceEndpoint(
 		services,
 		paymentOrchestratorDiscoveryServiceNames,
-		[]string{paymentInitiateOperation},
+		[]string{discovery.OperationPaymentInitiate},
 	)
 	if !ok {
 		return false, discoveryEndpoint{}
@@ -196,7 +189,7 @@ func (a *APIImp) resolvePaymentQuotationAddress(services []discovery.ServiceSumm
 	endpoint, selected, ok := selectServiceEndpoint(
 		services,
 		paymentQuotationDiscoveryServiceNames,
-		[]string{paymentQuoteOperation},
+		[]string{discovery.OperationPaymentQuote},
 	)
 	if !ok {
 		cfg := a.config.PaymentQuotation
@@ -229,7 +222,7 @@ func (a *APIImp) resolvePaymentMethodsAddress(services []discovery.ServiceSummar
 	endpoint, selected, ok := selectServiceEndpoint(
 		services,
 		paymentMethodsDiscoveryServiceNames,
-		[]string{paymentMethodsReadOperation},
+		[]string{discovery.OperationPaymentMethodsRead},
 	)
 	if !ok {
 		return
@@ -269,7 +262,7 @@ func selectServiceEndpoint(services []discovery.ServiceSummary, serviceNames []s
 		selections = append(selections, serviceSelection{
 			service:  svc,
 			endpoint: endpoint,
-			opMatch:  hasAnyOperation(svc.Ops, requiredOps),
+			opMatch:  discovery.HasAnyOperation(svc.Ops, requiredOps),
 			nameRank: nameRank,
 		})
 	}
@@ -302,7 +295,7 @@ func selectGatewayEndpoint(gateways []discovery.GatewaySummary, preferredNetwork
 		if !gateway.Healthy {
 			continue
 		}
-		if !strings.EqualFold(strings.TrimSpace(gateway.Rail), discoveryGatewayRailCrypto) {
+		if !strings.EqualFold(strings.TrimSpace(gateway.Rail), discovery.RailCrypto) {
 			continue
 		}
 		if strings.TrimSpace(gateway.InvokeURI) == "" {
@@ -316,7 +309,7 @@ func selectGatewayEndpoint(gateways []discovery.GatewaySummary, preferredNetwork
 			gateway:      gateway,
 			endpoint:     endpoint,
 			networkMatch: preferredNetwork != "" && strings.EqualFold(strings.TrimSpace(gateway.Network), preferredNetwork),
-			opMatch:      hasAnyOperation(gateway.Ops, requiredOps),
+			opMatch:      discovery.HasAnyOperation(gateway.Ops, requiredOps),
 		})
 	}
 	if len(selections) == 0 {
@@ -412,24 +405,6 @@ func serviceRank(service string, names []string) (int, bool) {
 	return 0, false
 }
 
-func hasAnyOperation(ops []string, required []string) bool {
-	if len(required) == 0 {
-		return true
-	}
-	for _, op := range ops {
-		normalized := strings.TrimSpace(op)
-		if normalized == "" {
-			continue
-		}
-		for _, target := range required {
-			if strings.EqualFold(normalized, strings.TrimSpace(target)) {
-				return true
-			}
-		}
-	}
-	return false
-}
-
 func ensureLedgerConfig(cfg *eapi.Config) *eapi.LedgerConfig {
 	if cfg == nil {
 		return nil

api/server/internal/server/paymentapiimp/documents.go

@@ -27,7 +27,7 @@ import (
 
 const (
 	documentsServiceName  = "BILLING_DOCUMENTS"
-	documentsOperationGet = "documents.get"
+	documentsOperationGet = discovery.OperationDocumentsGet
 	documentsDialTimeout  = 5 * time.Second
 	documentsCallTimeout  = 10 * time.Second
 )