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66 lines
1.8 KiB
66 lines
1.8 KiB
package node
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import (
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"bytes"
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"encoding/gob"
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"harmony-benchmark/blockchain"
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"harmony-benchmark/common"
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)
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// The types of messages used for NODE/TRANSACTION
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type TransactionMessageType int
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const (
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SEND TransactionMessageType = iota
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REQUEST
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CROSS_TX_PROOF // The proof of accept or reject returned by the leader to the cross shard transaction client.
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)
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// The types of messages used for NODE/CONTROL
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type ControlMessageType int
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const (
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STOP ControlMessageType = iota
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)
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// Constructs serialized transactions
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func ConstructTransactionListMessage(transactions []*blockchain.Transaction) []byte {
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byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
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byteBuffer.WriteByte(byte(common.TRANSACTION))
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byteBuffer.WriteByte(byte(SEND))
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encoder := gob.NewEncoder(byteBuffer)
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// Copy over the tx data
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txs := make([]blockchain.Transaction, len(transactions))
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for i := range txs {
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txs[i] = *transactions[i]
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}
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encoder.Encode(txs)
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return byteBuffer.Bytes()
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}
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// Constructs serialized transactions
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func ConstructRequestTransactionsMessage(transactionIds [][]byte) []byte {
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byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
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byteBuffer.WriteByte(byte(common.TRANSACTION))
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byteBuffer.WriteByte(byte(REQUEST))
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for _, txId := range transactionIds {
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byteBuffer.Write(txId)
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}
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return byteBuffer.Bytes()
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}
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// Constructs STOP message for node to stop
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func ConstructStopMessage() []byte {
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byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
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byteBuffer.WriteByte(byte(common.CONTROL))
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byteBuffer.WriteByte(byte(STOP))
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return byteBuffer.Bytes()
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}
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//ConstructStopMessage is STOP message
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func ConstructProofOfAcceptOrRejectMessage() []byte {
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byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
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byteBuffer.WriteByte(byte(common.TRANSACTION))
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byteBuffer.WriteByte(byte(CROSS_TX_PROOF))
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return byteBuffer.Bytes()
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}
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