quotation service fixed

api/pkg/discovery/rail_vocab.go

@@ -4,10 +4,10 @@ import "strings"
 
 const (
 	RailCrypto             = "CRYPTO"
-	RailProviderSettlement = "PROVIDER_SETTLEMENT"
+	RailProviderSettlement = "SETTLEMENT"
 	RailLedger             = "LEDGER"
-	RailCardPayout         = "CARD_PAYOUT"
-	RailFiatOnRamp         = "FIAT_ONRAMP"
+	RailCardPayout         = "CARD"
+	RailFiatOnRamp         = "ONRAMP"
 )
 
 const (
@@ -48,7 +48,30 @@ var knownRailOperations = map[string]struct{}{
 
 // NormalizeRail canonicalizes a rail token.
 func NormalizeRail(value string) string {
-	return strings.ToUpper(strings.TrimSpace(value))
+	clean := strings.ToUpper(strings.TrimSpace(value))
+	if clean == "" {
+		return ""
+	}
+	clean = strings.ReplaceAll(clean, "-", "_")
+	clean = strings.ReplaceAll(clean, " ", "_")
+	for strings.Contains(clean, "__") {
+		clean = strings.ReplaceAll(clean, "__", "_")
+	}
+
+	switch clean {
+	case RailCrypto, "RAIL_CRYPTO":
+		return RailCrypto
+	case RailProviderSettlement, "PROVIDER_SETTLEMENT", "RAIL_SETTLEMENT", "RAIL_PROVIDER_SETTLEMENT":
+		return RailProviderSettlement
+	case RailLedger, "RAIL_LEDGER":
+		return RailLedger
+	case RailCardPayout, "CARD_PAYOUT", "RAIL_CARD", "RAIL_CARD_PAYOUT":
+		return RailCardPayout
+	case RailFiatOnRamp, "FIAT_ONRAMP", "RAIL_ONRAMP", "RAIL_FIAT_ONRAMP":
+		return RailFiatOnRamp
+	default:
+		return clean
+	}
 }
 
 // IsKnownRail reports whether the value is a recognized payment rail.
@@ -60,8 +83,8 @@ func IsKnownRail(value string) bool {
 // NormalizeRailOperation canonicalizes a rail operation token.
 func NormalizeRailOperation(value string) string {
 	clean := strings.ToUpper(strings.TrimSpace(value))
-	if strings.HasPrefix(clean, "RAIL_OPERATION_") {
-		clean = strings.TrimPrefix(clean, "RAIL_OPERATION_")
+	if after, ok := strings.CutPrefix(clean, "RAIL_OPERATION_"); ok {
+		clean = after
 	}
 	return clean
 }
@@ -140,3 +163,11 @@ func CardPayoutRailGatewayOperations() []string {
 		RailOperationObserveConfirm,
 	}
 }
+
+// ProviderSettlementRailGatewayOperations returns canonical operations for settlement gateways.
+func ProviderSettlementRailGatewayOperations() []string {
+	return []string{
+		RailOperationFXConvert,
+		RailOperationObserveConfirm,
+	}
+}