Apply chain gas-price multiplier to MaxFee and SorobanResourceFee

Author: cordialsys-agent

chain/xlm/client/client.go

@@ -184,6 +184,15 @@ func (client *Client) FetchTransferInput(ctx context.Context, args xcbuilder.Tra
 		}
 	}
 
+	// Apply chain gas-price multiplier to fees if configured.
+	// This allows remote adjustment of fee estimates.
+	if config.ChainGasMultiplier > 0 && config.ChainGasMultiplier != 1.0 {
+		txInput.MaxFee = uint32(float64(txInput.MaxFee) * config.ChainGasMultiplier)
+		if txInput.SorobanResourceFee > 0 {
+			txInput.SorobanResourceFee = uint32(float64(txInput.SorobanResourceFee) * config.ChainGasMultiplier)
+		}
+	}
+
 	txInput.TransactionActiveTime = config.TransactionActiveTime
 	return txInput, nil
 }