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94 lines
3.0 KiB
94 lines
3.0 KiB
package consensus
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import (
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"github.com/harmony-one/harmony/api/proto"
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msg_pb "github.com/harmony-one/harmony/api/proto/message"
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bls_cosi "github.com/harmony-one/harmony/crypto/bls"
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"github.com/harmony-one/harmony/internal/utils"
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)
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// construct the view change message
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func (consensus *Consensus) constructViewChangeMessage() []byte {
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message := &msg_pb.Message{
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ServiceType: msg_pb.ServiceType_CONSENSUS,
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Type: msg_pb.MessageType_VIEWCHANGE,
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Request: &msg_pb.Message_Viewchange{
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Viewchange: &msg_pb.ViewChangeRequest{},
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},
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}
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vcMsg := message.GetViewchange()
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vcMsg.ViewId = consensus.mode.GetViewID()
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vcMsg.BlockNum = consensus.blockNum
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// sender address
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vcMsg.SenderPubkey = consensus.PubKey.Serialize()
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// next leader key already updated
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vcMsg.LeaderPubkey = consensus.LeaderPubKey.Serialize()
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preparedMsgs := consensus.pbftLog.GetMessagesByTypeSeqHash(msg_pb.MessageType_PREPARED, consensus.blockNum, consensus.blockHash)
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if len(preparedMsgs) > 1 {
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utils.GetLogInstance().Warn("constructViewChangeMessage got more than 1 prepared message", "blockNum", consensus.blockNum, "viewID", consensus.viewID)
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}
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var msgToSign []byte
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if len(preparedMsgs) == 0 {
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msgToSign = NIL // m2 type message
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vcMsg.Payload = []byte{}
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} else {
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// m1 type message
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msgToSign = append(preparedMsgs[0].BlockHash[:], preparedMsgs[0].Payload...)
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vcMsg.Payload = append(msgToSign[:0:0], msgToSign...)
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}
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sign := consensus.priKey.SignHash(msgToSign)
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if sign != nil {
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vcMsg.ViewchangeSig = sign.Serialize()
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}
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marshaledMessage, err := consensus.signAndMarshalConsensusMessage(message)
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if err != nil {
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utils.GetLogInstance().Error("constructViewChangeMessage failed to sign and marshal the viewchange message", "error", err)
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}
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return proto.ConstructConsensusMessage(marshaledMessage)
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}
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// new leader construct newview message
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func (consensus *Consensus) constructNewViewMessage() []byte {
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message := &msg_pb.Message{
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ServiceType: msg_pb.ServiceType_CONSENSUS,
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Type: msg_pb.MessageType_NEWVIEW,
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Request: &msg_pb.Message_Viewchange{
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Viewchange: &msg_pb.ViewChangeRequest{},
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},
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}
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vcMsg := message.GetViewchange()
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vcMsg.ViewId = consensus.mode.GetViewID()
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vcMsg.BlockNum = consensus.blockNum
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// sender address
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vcMsg.SenderPubkey = consensus.PubKey.Serialize()
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// m1 type message
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sig1arr := consensus.GetBhpSigsArray()
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if len(sig1arr) > 0 {
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m1Sig := bls_cosi.AggregateSig(sig1arr)
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vcMsg.M1Aggsigs = m1Sig.Serialize()
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vcMsg.M1Bitmap = consensus.bhpBitmap.Bitmap
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vcMsg.Payload = consensus.m1Payload
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}
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sig2arr := consensus.GetNilSigsArray()
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if len(sig2arr) > 0 {
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m2Sig := bls_cosi.AggregateSig(sig2arr)
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vcMsg.M2Aggsigs = m2Sig.Serialize()
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vcMsg.M2Bitmap = consensus.nilBitmap.Bitmap
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}
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marshaledMessage, err := consensus.signAndMarshalConsensusMessage(message)
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if err != nil {
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utils.GetLogInstance().Error("constructNewViewMessage failed to sign and marshal the new view message", "error", err)
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}
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return proto.ConstructConsensusMessage(marshaledMessage)
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}
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