fix

YGOProMessages.js

@@ -145,7 +145,7 @@ class YGOProMessagesHelper {
             sendBuffer.writeUInt16LE(1, 0);
             sendBuffer.writeUInt8(translatedProto, 2);
         }
-        return buffer;
+        return sendBuffer;
     }
     sendMessage(socket, protostr, info) {
         const sendBuffer = this.prepareMessage(protostr, info);

YGOProMessages.ts

@@ -175,7 +175,7 @@ export class YGOProMessagesHelper {
 			sendBuffer.writeUInt16LE(1, 0);
 			sendBuffer.writeUInt8(translatedProto, 2);
 		}
-		return buffer;
+		return sendBuffer;
 	}
 
 	sendMessage(socket: net.Socket, protostr: string, info?: string | Buffer | any) {