gas tanking before transaction

api/payments/orchestrator/internal/server/internal/serverimp.go

@@ -59,6 +59,7 @@ type clientConfig struct {
 type cardGatewayRouteConfig struct {
 	FundingAddress string `yaml:"funding_address"`
 	FeeAddress     string `yaml:"fee_address"`
+	FeeWalletRef   string `yaml:"fee_wallet_ref"`
 }
 
 func (c clientConfig) address() string {
@@ -323,6 +324,7 @@ func buildCardGatewayRoutes(src map[string]cardGatewayRouteConfig) map[string]or
 		result[trimmedKey] = orchestrator.CardGatewayRoute{
 			FundingAddress: strings.TrimSpace(route.FundingAddress),
 			FeeAddress:     strings.TrimSpace(route.FeeAddress),
+			FeeWalletRef:   strings.TrimSpace(route.FeeWalletRef),
 		}
 	}
 	return result