The core protocol of WoopChain
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woop/client/message.go

44 lines
1.6 KiB

package client
import (
"bytes"
"encoding/gob"
"harmony-benchmark/blockchain"
"harmony-benchmark/common"
)
// The specific types of message under CLIENT category
type ClientMessageType byte
const (
TRANSACTION ClientMessageType = iota
// TODO: add more types
)
// The types of messages used for CLIENT/TRANSACTION
type TransactionMessageType int
const (
PROOF_OF_LOCK TransactionMessageType = iota // The proof of accept or reject returned by the leader to the client tnat issued cross shard transactions.
)
// [leader] Constructs the proof of accept or reject message that will be sent to client
func ConstructProofOfAcceptOrRejectMessage(proofs []blockchain.CrossShardTxProof) []byte {
byteBuffer := bytes.NewBuffer([]byte{byte(common.CLIENT)})
byteBuffer.WriteByte(byte(TRANSACTION))
byteBuffer.WriteByte(byte(PROOF_OF_LOCK))
encoder := gob.NewEncoder(byteBuffer)
encoder.Encode(proofs)
return byteBuffer.Bytes()
}
// [client] Constructs the unlock to commit or abort message that will be sent to leaders
func ConstructUnlockToCommitOrAbortMessage(txsAndProofs []blockchain.Transaction) []byte {
byteBuffer := bytes.NewBuffer([]byte{byte(common.NODE)})
byteBuffer.WriteByte(byte(0)) // A temporary hack to represent node.TRANSACTION, to avoid cyclical import. TODO: Potentially solution is to refactor all the message enums into a common package
byteBuffer.WriteByte(byte(2)) // A temporary hack to represent node.UNLOCK, to avoid cyclical import. TODO: Potentially solution is to refactor all the message enums into a common package
encoder := gob.NewEncoder(byteBuffer)
encoder.Encode(txsAndProofs)
return byteBuffer.Bytes()
}