remove NodeMessageType EXPERIMENT

node/message.go

@@ -15,7 +15,6 @@ const (
 	BLOCK
 	CONTROL
 
-	EXPERIMENT // Exist only for experiment setup
 	// TODO: add more types
 )
 
@@ -42,14 +41,6 @@ const (
 	STOP ControlMessageType = iota
 )
 
-// The types of messages used for NODE/EXPERIMENT
-type ExperimentMessageType int
-
-const (
-	UTXO_REQUEST ExperimentMessageType = iota
-	UTXO_RESPONSE
-)
-
 // Constructs serialized transactions
 func ConstructTransactionListMessage(transactions []*blockchain.Transaction) []byte {
 	byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
@@ -84,17 +75,6 @@ func ConstructStopMessage() []byte {
 	return byteBuffer.Bytes()
 }
 
-// Constructs utxo response message with serialized utxoPool to return
-func ConstructUtxoResponseMessage(pool blockchain.UTXOPool) []byte {
-	byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
-	byteBuffer.WriteByte(byte(EXPERIMENT))
-	byteBuffer.WriteByte(byte(UTXO_RESPONSE))
-	encoder := gob.NewEncoder(byteBuffer)
-
-	encoder.Encode(pool)
-	return byteBuffer.Bytes()
-}
-
 // Constructs blocks sync message to send blocks to other nodes
 func ConstructBlocksSyncMessage(blocks []blockchain.Block) []byte {
 	byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})

node/node_handler.go

@@ -101,21 +101,6 @@ func (node *Node) NodeHandler(conn net.Conn) {
 
 				os.Exit(0)
 			}
-		case EXPERIMENT:
-			expType := msgPayload[0]
-			switch ExperimentMessageType(expType) {
-			case UTXO_REQUEST:
-				node.log.Debug("Received UTXO request")
-				p2p.SendMessage(*node.ClientPeer, ConstructUtxoResponseMessage(node.UtxoPool.GetSnapshot()))
-			case UTXO_RESPONSE:
-				node.log.Debug("Received UTXO response")
-				decoder := gob.NewDecoder(bytes.NewReader(msgPayload[1:])) // skip the UTXO_RESPONSE messge type
-				utxoPool := new(blockchain.UTXOPool)
-				decoder.Decode(utxoPool)
-				if node.Client != nil && utxoPool != nil {
-					//node.Client.UpdateUtxoPool(*utxoPool)
-				}
-			}
 		}
 	case common.CLIENT:
 		actionType := client.ClientMessageType(msgType)