You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
304 lines
9.6 KiB
304 lines
9.6 KiB
package consensus
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"encoding/hex"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
msg_pb "github.com/harmony-one/harmony/api/proto/message"
|
|
"github.com/harmony-one/harmony/core/types"
|
|
nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
|
|
"github.com/harmony-one/harmony/p2p/host"
|
|
)
|
|
|
|
func (consensus *Consensus) onAnnounce(msg *msg_pb.Message) {
|
|
recvMsg, err := ParseFBFTMessage(msg)
|
|
if err != nil {
|
|
consensus.getLogger().Error().
|
|
Err(err).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnAnnounce] Unparseable leader message")
|
|
return
|
|
}
|
|
|
|
// NOTE let it handle its own logs
|
|
if !consensus.onAnnounceSanityChecks(recvMsg) {
|
|
return
|
|
}
|
|
|
|
consensus.getLogger().Debug().
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnAnnounce] Announce message Added")
|
|
consensus.FBFTLog.AddMessage(recvMsg)
|
|
consensus.mutex.Lock()
|
|
defer consensus.mutex.Unlock()
|
|
consensus.blockHash = recvMsg.BlockHash
|
|
// we have already added message and block, skip check viewID
|
|
// and send prepare message if is in ViewChanging mode
|
|
if consensus.current.Mode() == ViewChanging {
|
|
consensus.getLogger().Debug().
|
|
Msg("[OnAnnounce] Still in ViewChanging Mode, Exiting !!")
|
|
return
|
|
}
|
|
|
|
if consensus.checkViewID(recvMsg) != nil {
|
|
if consensus.current.Mode() == Normal {
|
|
consensus.getLogger().Debug().
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnAnnounce] ViewID check failed")
|
|
}
|
|
return
|
|
}
|
|
consensus.prepare()
|
|
}
|
|
|
|
func (consensus *Consensus) prepare() {
|
|
groupID := []nodeconfig.GroupID{nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID))}
|
|
for i, key := range consensus.PubKey.PublicKey {
|
|
networkMessage, err := consensus.construct(msg_pb.MessageType_PREPARE, nil, key, consensus.priKey.PrivateKey[i])
|
|
if err != nil {
|
|
consensus.getLogger().Err(err).
|
|
Str("message-type", msg_pb.MessageType_PREPARE.String()).
|
|
Msg("could not construct message")
|
|
return
|
|
}
|
|
|
|
// TODO: this will not return immediatey, may block
|
|
if err := consensus.msgSender.SendWithoutRetry(
|
|
groupID,
|
|
host.ConstructP2pMessage(byte(17), networkMessage.Bytes),
|
|
); err != nil {
|
|
consensus.getLogger().Warn().Err(err).Msg("[OnAnnounce] Cannot send prepare message")
|
|
} else {
|
|
consensus.getLogger().Info().
|
|
Str("blockHash", hex.EncodeToString(consensus.blockHash[:])).
|
|
Msg("[OnAnnounce] Sent Prepare Message!!")
|
|
}
|
|
}
|
|
consensus.getLogger().Debug().
|
|
Str("From", consensus.phase.String()).
|
|
Str("To", FBFTPrepare.String()).
|
|
Msg("[Announce] Switching Phase")
|
|
consensus.switchPhase(FBFTPrepare, true)
|
|
}
|
|
|
|
// if onPrepared accepts the prepared message from the leader, then
|
|
// it will send a COMMIT message for the leader to receive on the network.
|
|
func (consensus *Consensus) onPrepared(msg *msg_pb.Message) {
|
|
recvMsg, err := ParseFBFTMessage(msg)
|
|
if err != nil {
|
|
consensus.getLogger().Debug().Err(err).Msg("[OnPrepared] Unparseable validator message")
|
|
return
|
|
}
|
|
consensus.getLogger().Info().
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Msg("[OnPrepared] Received prepared message")
|
|
|
|
if recvMsg.BlockNum < consensus.blockNum {
|
|
consensus.getLogger().Debug().Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("Wrong BlockNum Received, ignoring!")
|
|
return
|
|
}
|
|
|
|
// check validity of prepared signature
|
|
blockHash := recvMsg.BlockHash
|
|
aggSig, mask, err := consensus.ReadSignatureBitmapPayload(recvMsg.Payload, 0)
|
|
if err != nil {
|
|
consensus.getLogger().Error().Err(err).Msg("ReadSignatureBitmapPayload failed!")
|
|
return
|
|
}
|
|
|
|
if !consensus.Decider.IsQuorumAchievedByMask(mask) {
|
|
consensus.getLogger().Warn().
|
|
Msgf("[OnPrepared] Quorum Not achieved")
|
|
return
|
|
}
|
|
|
|
if !aggSig.VerifyHash(mask.AggregatePublic, blockHash[:]) {
|
|
myBlockHash := common.Hash{}
|
|
myBlockHash.SetBytes(consensus.blockHash[:])
|
|
consensus.getLogger().Warn().
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Msg("[OnPrepared] failed to verify multi signature for prepare phase")
|
|
return
|
|
}
|
|
|
|
// check validity of block
|
|
var blockObj types.Block
|
|
if err := rlp.DecodeBytes(recvMsg.Block, &blockObj); err != nil {
|
|
consensus.getLogger().Warn().
|
|
Err(err).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnPrepared] Unparseable block header data")
|
|
return
|
|
}
|
|
// let this handle it own logs
|
|
if !consensus.onPreparedSanityChecks(&blockObj, recvMsg) {
|
|
return
|
|
}
|
|
consensus.mutex.Lock()
|
|
defer consensus.mutex.Unlock()
|
|
|
|
consensus.FBFTLog.AddBlock(&blockObj)
|
|
// add block field
|
|
blockPayload := make([]byte, len(recvMsg.Block))
|
|
copy(blockPayload[:], recvMsg.Block[:])
|
|
consensus.block = blockPayload
|
|
recvMsg.Block = []byte{} // save memory space
|
|
consensus.FBFTLog.AddMessage(recvMsg)
|
|
consensus.getLogger().Debug().
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Hex("blockHash", recvMsg.BlockHash[:]).
|
|
Msg("[OnPrepared] Prepared message and block added")
|
|
|
|
consensus.tryCatchup()
|
|
if consensus.current.Mode() == ViewChanging {
|
|
consensus.getLogger().Debug().Msg("[OnPrepared] Still in ViewChanging mode, Exiting!!")
|
|
return
|
|
}
|
|
|
|
if consensus.checkViewID(recvMsg) != nil {
|
|
if consensus.current.Mode() == Normal {
|
|
consensus.getLogger().Debug().
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnPrepared] ViewID check failed")
|
|
}
|
|
return
|
|
}
|
|
if recvMsg.BlockNum > consensus.blockNum {
|
|
consensus.getLogger().Debug().
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Uint64("blockNum", consensus.blockNum).
|
|
Msg("[OnPrepared] Future Block Received, ignoring!!")
|
|
return
|
|
}
|
|
|
|
// add preparedSig field
|
|
consensus.aggregatedPrepareSig = aggSig
|
|
consensus.prepareBitmap = mask
|
|
|
|
// Optimistically add blockhash field of prepare message
|
|
emptyHash := [32]byte{}
|
|
if bytes.Compare(consensus.blockHash[:], emptyHash[:]) == 0 {
|
|
copy(consensus.blockHash[:], blockHash[:])
|
|
}
|
|
blockNumBytes := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(blockNumBytes, consensus.blockNum)
|
|
groupID := []nodeconfig.GroupID{nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID))}
|
|
for i, key := range consensus.PubKey.PublicKey {
|
|
networkMessage, _ := consensus.construct(
|
|
// TODO(audit): sign signature on hash+blockNum+viewID (add a hard fork)
|
|
msg_pb.MessageType_COMMIT,
|
|
append(blockNumBytes, consensus.blockHash[:]...),
|
|
key, consensus.priKey.PrivateKey[i],
|
|
)
|
|
// TODO: genesis account node delay for 1 second,
|
|
// this is a temp fix for allows FN nodes to earning reward
|
|
if consensus.delayCommit > 0 {
|
|
time.Sleep(consensus.delayCommit)
|
|
}
|
|
|
|
if err := consensus.msgSender.SendWithoutRetry(
|
|
groupID,
|
|
host.ConstructP2pMessage(byte(17), networkMessage.Bytes),
|
|
); err != nil {
|
|
consensus.getLogger().Warn().Msg("[OnPrepared] Cannot send commit message!!")
|
|
} else {
|
|
consensus.getLogger().Info().
|
|
Uint64("blockNum", consensus.blockNum).
|
|
Hex("blockHash", consensus.blockHash[:]).
|
|
Msg("[OnPrepared] Sent Commit Message!!")
|
|
}
|
|
}
|
|
consensus.getLogger().Debug().
|
|
Str("From", consensus.phase.String()).
|
|
Str("To", FBFTCommit.String()).
|
|
Msg("[OnPrepared] Switching phase")
|
|
consensus.switchPhase(FBFTCommit, true)
|
|
}
|
|
|
|
func (consensus *Consensus) onCommitted(msg *msg_pb.Message) {
|
|
recvMsg, err := ParseFBFTMessage(msg)
|
|
if err != nil {
|
|
consensus.getLogger().Warn().Msg("[OnCommitted] unable to parse msg")
|
|
return
|
|
}
|
|
// NOTE let it handle its own logs
|
|
if !consensus.isRightBlockNumCheck(recvMsg) {
|
|
return
|
|
}
|
|
|
|
aggSig, mask, err := consensus.ReadSignatureBitmapPayload(recvMsg.Payload, 0)
|
|
if err != nil {
|
|
consensus.getLogger().Error().Err(err).Msg("[OnCommitted] readSignatureBitmapPayload failed")
|
|
return
|
|
}
|
|
|
|
if !consensus.Decider.IsQuorumAchievedByMask(mask) {
|
|
consensus.getLogger().Warn().
|
|
Msgf("[OnCommitted] Quorum Not achieved")
|
|
return
|
|
}
|
|
|
|
// TODO(audit): verify signature on hash+blockNum+viewID (add a hard fork)
|
|
blockNumBytes := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(blockNumBytes, recvMsg.BlockNum)
|
|
commitPayload := append(blockNumBytes, recvMsg.BlockHash[:]...)
|
|
if !aggSig.VerifyHash(mask.AggregatePublic, commitPayload) {
|
|
consensus.getLogger().Error().
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnCommitted] Failed to verify the multi signature for commit phase")
|
|
return
|
|
}
|
|
|
|
consensus.FBFTLog.AddMessage(recvMsg)
|
|
consensus.ChainReader.WriteLastCommits(recvMsg.Payload)
|
|
consensus.getLogger().Debug().
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[OnCommitted] Committed message added")
|
|
|
|
consensus.mutex.Lock()
|
|
defer consensus.mutex.Unlock()
|
|
|
|
consensus.aggregatedCommitSig = aggSig
|
|
consensus.commitBitmap = mask
|
|
|
|
if recvMsg.BlockNum-consensus.blockNum > consensusBlockNumBuffer {
|
|
consensus.getLogger().Debug().Uint64("MsgBlockNum", recvMsg.BlockNum).Msg("[OnCommitted] out of sync")
|
|
go func() {
|
|
select {
|
|
case consensus.blockNumLowChan <- struct{}{}:
|
|
consensus.current.SetMode(Syncing)
|
|
for _, v := range consensus.consensusTimeout {
|
|
v.Stop()
|
|
}
|
|
case <-time.After(1 * time.Second):
|
|
}
|
|
}()
|
|
return
|
|
}
|
|
|
|
consensus.tryCatchup()
|
|
if consensus.current.Mode() == ViewChanging {
|
|
consensus.getLogger().Debug().Msg("[OnCommitted] Still in ViewChanging mode, Exiting!!")
|
|
return
|
|
}
|
|
|
|
if consensus.consensusTimeout[timeoutBootstrap].IsActive() {
|
|
consensus.consensusTimeout[timeoutBootstrap].Stop()
|
|
consensus.getLogger().Debug().Msg("[OnCommitted] Start consensus timer; stop bootstrap timer only once")
|
|
} else {
|
|
consensus.getLogger().Debug().Msg("[OnCommitted] Start consensus timer")
|
|
}
|
|
consensus.consensusTimeout[timeoutConsensus].Start()
|
|
}
|
|
|