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

api/pkg/discovery/operations.go

@@ -0,0 +1,71 @@
+package discovery
+
+import "strings"
+
+const (
+	OperationDiscoveryLookup = "discovery.lookup"
+
+	OperationDocumentsBatchResolve = "documents.batch_resolve"
+	OperationDocumentsGet          = "documents.get"
+	OperationFeeCalc               = "fee.calc"
+	OperationNotifySend            = "notify.send"
+	OperationFXQuote               = "fx.quote"
+	OperationFXIngest              = "fx.ingest"
+
+	OperationPaymentInitiate      = "payment.initiate"
+	OperationPaymentQuote         = "payment.quote"
+	OperationPaymentMultiQuote    = "payment.multiquote"
+	OperationPaymentMethodsManage = "payment_methods.manage"
+	OperationPaymentMethodsRead   = "payment_methods.read"
+
+	OperationBalanceRead = "balance.read"
+
+	OperationLedgerDebit    = "ledger.debit"
+	OperationLedgerCredit   = "ledger.credit"
+	OperationLedgerTransfer = "ledger.transfer"
+	OperationLedgerFX       = "ledger.fx"
+	OperationExternalDebit  = "external.debit"
+	OperationExternalCredit = "external.credit"
+
+	OperationSend           = "send"
+	OperationFee            = "fee"
+	OperationObserveConfirm = "observe.confirm"
+	OperationFXConvert      = "fx.convert"
+)
+
+// NormalizeOperation canonicalizes an operation string for comparisons.
+func NormalizeOperation(value string) string {
+	return strings.ToLower(strings.TrimSpace(value))
+}
+
+// HasAnyOperation reports whether ops contains any of required operations.
+func HasAnyOperation(ops []string, required []string) bool {
+	if len(required) == 0 {
+		return true
+	}
+	for _, op := range ops {
+		normalized := NormalizeOperation(op)
+		if normalized == "" {
+			continue
+		}
+		for _, target := range required {
+			if normalized == NormalizeOperation(target) {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+// LedgerServiceOperations returns canonical operations announced by ledger.
+func LedgerServiceOperations() []string {
+	return []string{
+		OperationBalanceRead,
+		OperationLedgerDebit,
+		OperationLedgerCredit,
+		OperationLedgerTransfer,
+		OperationLedgerFX,
+		OperationExternalCredit,
+		OperationExternalDebit,
+	}
+}