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.
556 lines
19 KiB
556 lines
19 KiB
package consensus
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/harmony-one/bls/ffi/go/bls"
|
|
msg_pb "github.com/harmony-one/harmony/api/proto/message"
|
|
"github.com/harmony-one/harmony/consensus/quorum"
|
|
bls_cosi "github.com/harmony-one/harmony/crypto/bls"
|
|
nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
|
|
"github.com/harmony-one/harmony/internal/utils"
|
|
"github.com/harmony-one/harmony/p2p/host"
|
|
)
|
|
|
|
// State contains current mode and current viewID
|
|
type State struct {
|
|
mode Mode
|
|
viewID uint64
|
|
mux sync.Mutex
|
|
}
|
|
|
|
// Mode return the current node mode
|
|
func (pm *State) Mode() Mode {
|
|
return pm.mode
|
|
}
|
|
|
|
// SetMode set the node mode as required
|
|
func (pm *State) SetMode(s Mode) {
|
|
pm.mux.Lock()
|
|
defer pm.mux.Unlock()
|
|
pm.mode = s
|
|
}
|
|
|
|
// ViewID return the current viewchanging id
|
|
func (pm *State) ViewID() uint64 {
|
|
return pm.viewID
|
|
}
|
|
|
|
// SetViewID sets the viewchanging id accordingly
|
|
func (pm *State) SetViewID(viewID uint64) {
|
|
pm.mux.Lock()
|
|
defer pm.mux.Unlock()
|
|
pm.viewID = viewID
|
|
}
|
|
|
|
// GetViewID returns the current viewchange viewID
|
|
func (pm *State) GetViewID() uint64 {
|
|
return pm.viewID
|
|
}
|
|
|
|
// switchPhase will switch FBFTPhase to nextPhase if the desirePhase equals the nextPhase
|
|
func (consensus *Consensus) switchPhase(desired FBFTPhase, override bool) {
|
|
if override {
|
|
consensus.phase = desired
|
|
return
|
|
}
|
|
|
|
var nextPhase FBFTPhase
|
|
switch consensus.phase {
|
|
case FBFTAnnounce:
|
|
nextPhase = FBFTPrepare
|
|
case FBFTPrepare:
|
|
nextPhase = FBFTCommit
|
|
case FBFTCommit:
|
|
nextPhase = FBFTAnnounce
|
|
}
|
|
if nextPhase == desired {
|
|
consensus.phase = nextPhase
|
|
}
|
|
}
|
|
|
|
// GetNextLeaderKey uniquely determine who is the leader for given viewID
|
|
func (consensus *Consensus) GetNextLeaderKey() *bls.PublicKey {
|
|
wasFound, next := consensus.Decider.NextAfter(consensus.LeaderPubKey)
|
|
if !wasFound {
|
|
utils.Logger().Warn().
|
|
Str("key", consensus.LeaderPubKey.SerializeToHexStr()).
|
|
Msg("GetNextLeaderKey: currentLeaderKey not found")
|
|
}
|
|
return next
|
|
}
|
|
|
|
// ResetViewChangeState reset the state for viewchange
|
|
func (consensus *Consensus) ResetViewChangeState() {
|
|
utils.Logger().Debug().
|
|
Str("Phase", consensus.phase.String()).
|
|
Msg("[ResetViewChangeState] Resetting view change state")
|
|
consensus.current.SetMode(Normal)
|
|
members := consensus.Decider.Participants()
|
|
bhpBitmap, _ := bls_cosi.NewMask(members, nil)
|
|
nilBitmap, _ := bls_cosi.NewMask(members, nil)
|
|
viewIDBitmap, _ := bls_cosi.NewMask(members, nil)
|
|
consensus.bhpBitmap = bhpBitmap
|
|
consensus.nilBitmap = nilBitmap
|
|
consensus.viewIDBitmap = viewIDBitmap
|
|
consensus.m1Payload = []byte{}
|
|
consensus.bhpSigs = map[string]*bls.Sign{}
|
|
consensus.nilSigs = map[string]*bls.Sign{}
|
|
consensus.Decider.Reset([]quorum.Phase{quorum.ViewChange})
|
|
}
|
|
|
|
func createTimeout() map[TimeoutType]*utils.Timeout {
|
|
timeouts := make(map[TimeoutType]*utils.Timeout)
|
|
timeouts[timeoutConsensus] = utils.NewTimeout(phaseDuration)
|
|
timeouts[timeoutViewChange] = utils.NewTimeout(viewChangeDuration)
|
|
timeouts[timeoutBootstrap] = utils.NewTimeout(bootstrapDuration)
|
|
return timeouts
|
|
}
|
|
|
|
// startViewChange send a new view change
|
|
func (consensus *Consensus) startViewChange(viewID uint64) {
|
|
if consensus.disableViewChange {
|
|
return
|
|
}
|
|
consensus.consensusTimeout[timeoutConsensus].Stop()
|
|
consensus.consensusTimeout[timeoutBootstrap].Stop()
|
|
consensus.current.SetMode(ViewChanging)
|
|
consensus.current.SetViewID(viewID)
|
|
consensus.LeaderPubKey = consensus.GetNextLeaderKey()
|
|
|
|
diff := viewID - consensus.viewID
|
|
duration := time.Duration(int64(diff) * int64(viewChangeDuration))
|
|
utils.Logger().Info().
|
|
Uint64("ViewChangingID", viewID).
|
|
Dur("timeoutDuration", duration).
|
|
Str("NextLeader", consensus.LeaderPubKey.SerializeToHexStr()).
|
|
Msg("[startViewChange]")
|
|
|
|
msgToSend := consensus.constructViewChangeMessage()
|
|
consensus.host.SendMessageToGroups([]nodeconfig.GroupID{
|
|
nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID)),
|
|
},
|
|
host.ConstructP2pMessage(byte(17), msgToSend),
|
|
)
|
|
|
|
consensus.consensusTimeout[timeoutViewChange].SetDuration(duration)
|
|
consensus.consensusTimeout[timeoutViewChange].Start()
|
|
utils.Logger().Debug().
|
|
Uint64("ViewChangingID", consensus.current.ViewID()).
|
|
Msg("[startViewChange] start view change timer")
|
|
}
|
|
|
|
func (consensus *Consensus) onViewChange(msg *msg_pb.Message) {
|
|
recvMsg, err := ParseViewChangeMessage(msg)
|
|
if err != nil {
|
|
utils.Logger().Warn().Msg("[onViewChange] Unable To Parse Viewchange Message")
|
|
return
|
|
}
|
|
newLeaderKey := recvMsg.LeaderPubkey
|
|
if !consensus.PubKey.IsEqual(newLeaderKey) {
|
|
return
|
|
}
|
|
|
|
if consensus.Decider.IsQuorumAchieved(quorum.ViewChange) {
|
|
utils.Logger().Debug().
|
|
Int64("have", consensus.Decider.SignatoriesCount(quorum.ViewChange)).
|
|
Int64("need", consensus.Decider.QuorumThreshold()).
|
|
Str("validatorPubKey", recvMsg.SenderPubkey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Received Enough View Change Messages")
|
|
return
|
|
}
|
|
|
|
senderKey, err := consensus.verifyViewChangeSenderKey(msg)
|
|
if err != nil {
|
|
utils.Logger().Debug().Err(err).Msg("[onViewChange] VerifySenderKey Failed")
|
|
return
|
|
}
|
|
|
|
// TODO: if difference is only one, new leader can still propose the same committed block to avoid another view change
|
|
// TODO: new leader catchup without ignore view change message
|
|
if consensus.blockNum > recvMsg.BlockNum {
|
|
utils.Logger().Debug().
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[onViewChange] Message BlockNum Is Low")
|
|
return
|
|
}
|
|
|
|
if consensus.blockNum < recvMsg.BlockNum {
|
|
utils.Logger().Warn().
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[onViewChange] New Leader Has Lower Blocknum")
|
|
return
|
|
}
|
|
|
|
if consensus.current.Mode() == ViewChanging &&
|
|
consensus.current.ViewID() > recvMsg.ViewID {
|
|
utils.Logger().Warn().
|
|
Uint64("MyViewChangingID", consensus.current.ViewID()).
|
|
Uint64("MsgViewChangingID", recvMsg.ViewID).
|
|
Msg("[onViewChange] ViewChanging ID Is Low")
|
|
return
|
|
}
|
|
if err = verifyMessageSig(senderKey, msg); err != nil {
|
|
utils.Logger().Debug().Err(err).Msg("[onViewChange] Failed To Verify Sender's Signature")
|
|
return
|
|
}
|
|
|
|
consensus.vcLock.Lock()
|
|
defer consensus.vcLock.Unlock()
|
|
|
|
// TODO: remove NIL type message
|
|
// add self m1 or m2 type message signature and bitmap
|
|
_, ok1 := consensus.nilSigs[consensus.PubKey.SerializeToHexStr()]
|
|
_, ok2 := consensus.bhpSigs[consensus.PubKey.SerializeToHexStr()]
|
|
if !(ok1 || ok2) {
|
|
// add own signature for newview message
|
|
preparedMsgs := consensus.FBFTLog.GetMessagesByTypeSeq(
|
|
msg_pb.MessageType_PREPARED, recvMsg.BlockNum,
|
|
)
|
|
preparedMsg := consensus.FBFTLog.FindMessageByMaxViewID(preparedMsgs)
|
|
if preparedMsg == nil {
|
|
utils.Logger().Debug().Msg("[onViewChange] add my M2(NIL) type messaage")
|
|
consensus.nilSigs[consensus.PubKey.SerializeToHexStr()] = consensus.priKey.SignHash(NIL)
|
|
consensus.nilBitmap.SetKey(consensus.PubKey, true)
|
|
} else {
|
|
utils.Logger().Debug().Msg("[onViewChange] add my M1 type messaage")
|
|
msgToSign := append(preparedMsg.BlockHash[:], preparedMsg.Payload...)
|
|
consensus.bhpSigs[consensus.PubKey.SerializeToHexStr()] = consensus.priKey.SignHash(msgToSign)
|
|
consensus.bhpBitmap.SetKey(consensus.PubKey, true)
|
|
}
|
|
}
|
|
// add self m3 type message signature and bitmap
|
|
signature := consensus.Decider.ReadSignature(quorum.ViewChange, consensus.PubKey)
|
|
if signature == nil {
|
|
viewIDBytes := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(viewIDBytes, recvMsg.ViewID)
|
|
consensus.Decider.AddSignature(
|
|
quorum.ViewChange, consensus.PubKey, consensus.priKey.SignHash(viewIDBytes),
|
|
)
|
|
consensus.viewIDBitmap.SetKey(consensus.PubKey, true)
|
|
}
|
|
|
|
// m2 type message
|
|
if len(recvMsg.Payload) == 0 {
|
|
_, ok := consensus.nilSigs[senderKey.SerializeToHexStr()]
|
|
if ok {
|
|
utils.Logger().Debug().
|
|
Str("validatorPubKey", senderKey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Already Received M2 message from validator")
|
|
return
|
|
}
|
|
|
|
if !recvMsg.ViewchangeSig.VerifyHash(senderKey, NIL) {
|
|
utils.Logger().Warn().Msg("[onViewChange] Failed To Verify Signature For M2 Type Viewchange Message")
|
|
return
|
|
}
|
|
|
|
utils.Logger().Debug().
|
|
Str("validatorPubKey", senderKey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Add M2 (NIL) type message")
|
|
consensus.nilSigs[senderKey.SerializeToHexStr()] = recvMsg.ViewchangeSig
|
|
consensus.nilBitmap.SetKey(recvMsg.SenderPubkey, true) // Set the bitmap indicating that this validator signed.
|
|
} else { // m1 type message
|
|
_, ok := consensus.bhpSigs[senderKey.SerializeToHexStr()]
|
|
if ok {
|
|
utils.Logger().Debug().
|
|
Str("validatorPubKey", senderKey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Already Received M1 Message From the Validator")
|
|
return
|
|
}
|
|
if !recvMsg.ViewchangeSig.VerifyHash(recvMsg.SenderPubkey, recvMsg.Payload) {
|
|
utils.Logger().Warn().Msg("[onViewChange] Failed to Verify Signature for M1 Type Viewchange Message")
|
|
return
|
|
}
|
|
|
|
// first time receive m1 type message, need verify validity of prepared message
|
|
if len(consensus.m1Payload) == 0 || !bytes.Equal(consensus.m1Payload, recvMsg.Payload) {
|
|
if len(recvMsg.Payload) <= 32 {
|
|
utils.Logger().Debug().
|
|
Int("len", len(recvMsg.Payload)).
|
|
Msg("[onViewChange] M1 RecvMsg Payload Not Enough Length")
|
|
return
|
|
}
|
|
blockHash := recvMsg.Payload[:32]
|
|
aggSig, mask, err := consensus.ReadSignatureBitmapPayload(recvMsg.Payload, 32)
|
|
if err != nil {
|
|
utils.Logger().Error().Err(err).Msg("[onViewChange] M1 RecvMsg Payload Read Error")
|
|
return
|
|
}
|
|
// check has 2f+1 signature in m1 type message
|
|
need := consensus.Decider.QuorumThreshold()
|
|
if count := utils.CountOneBits(mask.Bitmap); count < need {
|
|
utils.Logger().Debug().Int64("need", need).Int64("have", count).
|
|
Msg("[onViewChange] M1 Payload Not Have Enough Signature")
|
|
return
|
|
}
|
|
|
|
// Verify the multi-sig for prepare phase
|
|
if !aggSig.VerifyHash(mask.AggregatePublic, blockHash[:]) {
|
|
utils.Logger().Warn().
|
|
Hex("blockHash", blockHash).
|
|
Msg("[onViewChange] failed to verify multi signature for m1 prepared payload")
|
|
return
|
|
}
|
|
|
|
// if m1Payload is empty, we just add one
|
|
if len(consensus.m1Payload) == 0 {
|
|
consensus.m1Payload = append(recvMsg.Payload[:0:0], recvMsg.Payload...)
|
|
// create prepared message for new leader
|
|
preparedMsg := FBFTMessage{
|
|
MessageType: msg_pb.MessageType_PREPARED,
|
|
ViewID: recvMsg.ViewID,
|
|
BlockNum: recvMsg.BlockNum,
|
|
}
|
|
preparedMsg.BlockHash = common.Hash{}
|
|
copy(preparedMsg.BlockHash[:], recvMsg.Payload[:32])
|
|
preparedMsg.Payload = make([]byte, len(recvMsg.Payload)-32)
|
|
copy(preparedMsg.Payload[:], recvMsg.Payload[32:])
|
|
preparedMsg.SenderPubkey = consensus.PubKey
|
|
utils.Logger().Info().Msg("[onViewChange] New Leader Prepared Message Added")
|
|
consensus.FBFTLog.AddMessage(&preparedMsg)
|
|
}
|
|
}
|
|
utils.Logger().Debug().
|
|
Str("validatorPubKey", senderKey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Add M1 (prepared) type message")
|
|
consensus.bhpSigs[senderKey.SerializeToHexStr()] = recvMsg.ViewchangeSig
|
|
consensus.bhpBitmap.SetKey(recvMsg.SenderPubkey, true) // Set the bitmap indicating that this validator signed.
|
|
}
|
|
|
|
// check and add viewID (m3 type) message signature
|
|
sig := consensus.Decider.ReadSignature(quorum.ViewChange, senderKey)
|
|
if sig != nil {
|
|
utils.Logger().Debug().
|
|
Str("validatorPubKey", senderKey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Already Received M3(ViewID) message from the validator")
|
|
return
|
|
}
|
|
viewIDHash := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(viewIDHash, recvMsg.ViewID)
|
|
if !recvMsg.ViewidSig.VerifyHash(recvMsg.SenderPubkey, viewIDHash) {
|
|
utils.Logger().Warn().
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Msg("[onViewChange] Failed to Verify M3 Message Signature")
|
|
return
|
|
}
|
|
utils.Logger().Debug().
|
|
Str("validatorPubKey", senderKey.SerializeToHexStr()).
|
|
Msg("[onViewChange] Add M3 (ViewID) type message")
|
|
consensus.Decider.AddSignature(quorum.ViewChange, senderKey, recvMsg.ViewidSig)
|
|
// Set the bitmap indicating that this validator signed.
|
|
consensus.viewIDBitmap.SetKey(recvMsg.SenderPubkey, true)
|
|
utils.Logger().Debug().
|
|
Int64("numSigs", consensus.Decider.SignatoriesCount(quorum.ViewChange)).
|
|
Int64("needed", consensus.Decider.QuorumThreshold()).
|
|
Msg("[onViewChange]")
|
|
|
|
// received enough view change messages, change state to normal consensus
|
|
if consensus.Decider.IsQuorumAchieved(quorum.ViewChange) {
|
|
consensus.current.SetMode(Normal)
|
|
consensus.LeaderPubKey = consensus.PubKey
|
|
consensus.ResetState()
|
|
if len(consensus.m1Payload) == 0 {
|
|
go func() {
|
|
consensus.ReadySignal <- struct{}{}
|
|
}()
|
|
} else {
|
|
utils.Logger().Debug().
|
|
Str("From", consensus.phase.String()).
|
|
Str("To", FBFTCommit.String()).
|
|
Msg("[OnViewChange] Switching phase")
|
|
consensus.switchPhase(FBFTCommit, true)
|
|
copy(consensus.blockHash[:], consensus.m1Payload[:32])
|
|
aggSig, mask, err := consensus.ReadSignatureBitmapPayload(recvMsg.Payload, 32)
|
|
|
|
if err != nil {
|
|
utils.Logger().Error().Err(err).
|
|
Msg("[onViewChange] ReadSignatureBitmapPayload Fail")
|
|
return
|
|
}
|
|
|
|
consensus.aggregatedPrepareSig = aggSig
|
|
consensus.prepareBitmap = mask
|
|
// Leader sign and add commit message
|
|
blockNumBytes := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(blockNumBytes, consensus.blockNum)
|
|
commitPayload := append(blockNumBytes, consensus.blockHash[:]...)
|
|
consensus.Decider.AddSignature(
|
|
quorum.Commit, consensus.PubKey, consensus.priKey.SignHash(commitPayload),
|
|
)
|
|
|
|
if err = consensus.commitBitmap.SetKey(consensus.PubKey, true); err != nil {
|
|
utils.Logger().Debug().
|
|
Msg("[OnViewChange] New Leader commit bitmap set failed")
|
|
return
|
|
}
|
|
}
|
|
|
|
consensus.current.SetViewID(recvMsg.ViewID)
|
|
msgToSend := consensus.constructNewViewMessage()
|
|
|
|
utils.Logger().Warn().
|
|
Int("payloadSize", len(consensus.m1Payload)).
|
|
Hex("M1Payload", consensus.m1Payload).
|
|
Msg("[onViewChange] Sent NewView Message")
|
|
consensus.msgSender.SendWithRetry(consensus.blockNum, msg_pb.MessageType_NEWVIEW, []nodeconfig.GroupID{nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID))}, host.ConstructP2pMessage(byte(17), msgToSend))
|
|
|
|
consensus.viewID = recvMsg.ViewID
|
|
consensus.ResetViewChangeState()
|
|
consensus.consensusTimeout[timeoutViewChange].Stop()
|
|
consensus.consensusTimeout[timeoutConsensus].Start()
|
|
utils.Logger().Debug().
|
|
Uint64("viewChangingID", consensus.current.ViewID()).
|
|
Msg("[onViewChange] New Leader Start Consensus Timer and Stop View Change Timer")
|
|
utils.Logger().Debug().
|
|
Str("myKey", consensus.PubKey.SerializeToHexStr()).
|
|
Uint64("viewID", consensus.viewID).
|
|
Uint64("block", consensus.blockNum).
|
|
Msg("[onViewChange] I am the New Leader")
|
|
}
|
|
}
|
|
|
|
// TODO: move to consensus_leader.go later
|
|
func (consensus *Consensus) onNewView(msg *msg_pb.Message) {
|
|
utils.Logger().Debug().Msg("[onNewView] Received NewView Message")
|
|
senderKey, err := consensus.verifyViewChangeSenderKey(msg)
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("[onNewView] VerifySenderKey Failed")
|
|
return
|
|
}
|
|
recvMsg, err := consensus.ParseNewViewMessage(msg)
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("[onNewView] Unable to Parse NewView Message")
|
|
return
|
|
}
|
|
|
|
if err = verifyMessageSig(senderKey, msg); err != nil {
|
|
utils.Logger().Error().Err(err).Msg("[onNewView] Failed to Verify New Leader's Signature")
|
|
return
|
|
}
|
|
consensus.vcLock.Lock()
|
|
defer consensus.vcLock.Unlock()
|
|
|
|
if recvMsg.M3AggSig == nil || recvMsg.M3Bitmap == nil {
|
|
utils.Logger().Error().Msg("[onNewView] M3AggSig or M3Bitmap is nil")
|
|
return
|
|
}
|
|
m3Sig := recvMsg.M3AggSig
|
|
m3Mask := recvMsg.M3Bitmap
|
|
|
|
viewIDBytes := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(viewIDBytes, recvMsg.ViewID)
|
|
// check total number of sigs >= 2f+1
|
|
need := consensus.Decider.QuorumThreshold()
|
|
if count := utils.CountOneBits(m3Mask.Bitmap); count < need {
|
|
utils.Logger().Debug().Int64("need", need).Int64("have", count).
|
|
Msg("[onNewView] Not Have Enough M3 (ViewID) Signature")
|
|
return
|
|
}
|
|
|
|
if !m3Sig.VerifyHash(m3Mask.AggregatePublic, viewIDBytes) {
|
|
utils.Logger().Warn().
|
|
Str("m3Sig", m3Sig.SerializeToHexStr()).
|
|
Hex("m3Mask", m3Mask.Bitmap).
|
|
Uint64("MsgViewID", recvMsg.ViewID).
|
|
Msg("[onNewView] Unable to Verify Aggregated Signature of M3 (ViewID) payload")
|
|
return
|
|
}
|
|
|
|
m2Mask := recvMsg.M2Bitmap
|
|
if recvMsg.M2AggSig != nil {
|
|
utils.Logger().Debug().Msg("[onNewView] M2AggSig (NIL) is Not Empty")
|
|
m2Sig := recvMsg.M2AggSig
|
|
if !m2Sig.VerifyHash(m2Mask.AggregatePublic, NIL) {
|
|
utils.Logger().Warn().
|
|
Msg("[onNewView] Unable to Verify Aggregated Signature of M2 (NIL) payload")
|
|
return
|
|
}
|
|
}
|
|
|
|
// check when M3 sigs > M2 sigs, then M1 (recvMsg.Payload) should not be empty
|
|
if m2Mask == nil || m2Mask.Bitmap == nil ||
|
|
(m2Mask != nil && m2Mask.Bitmap != nil &&
|
|
utils.CountOneBits(m3Mask.Bitmap) > utils.CountOneBits(m2Mask.Bitmap)) {
|
|
if len(recvMsg.Payload) <= 32 {
|
|
utils.Logger().Debug().
|
|
Msg("[onNewView] M1 (prepared) Type Payload Not Have Enough Length")
|
|
return
|
|
}
|
|
// m1 is not empty, check it's valid
|
|
blockHash := recvMsg.Payload[:32]
|
|
aggSig, mask, err := consensus.ReadSignatureBitmapPayload(recvMsg.Payload, 32)
|
|
if err != nil {
|
|
utils.Logger().Error().Err(err).
|
|
Msg("[onNewView] ReadSignatureBitmapPayload Failed")
|
|
return
|
|
}
|
|
if !aggSig.VerifyHash(mask.AggregatePublic, blockHash) {
|
|
utils.Logger().Warn().
|
|
Msg("[onNewView] Failed to Verify Signature for M1 (prepare) message")
|
|
return
|
|
}
|
|
copy(consensus.blockHash[:], blockHash)
|
|
consensus.aggregatedPrepareSig = aggSig
|
|
consensus.prepareBitmap = mask
|
|
// create prepared message from newview
|
|
preparedMsg := FBFTMessage{
|
|
MessageType: msg_pb.MessageType_PREPARED,
|
|
ViewID: recvMsg.ViewID,
|
|
BlockNum: recvMsg.BlockNum,
|
|
}
|
|
preparedMsg.BlockHash = common.Hash{}
|
|
copy(preparedMsg.BlockHash[:], blockHash[:])
|
|
preparedMsg.Payload = make([]byte, len(recvMsg.Payload)-32)
|
|
copy(preparedMsg.Payload[:], recvMsg.Payload[32:])
|
|
preparedMsg.SenderPubkey = senderKey
|
|
consensus.FBFTLog.AddMessage(&preparedMsg)
|
|
}
|
|
|
|
// newView message verified success, override my state
|
|
consensus.viewID = recvMsg.ViewID
|
|
consensus.current.SetViewID(recvMsg.ViewID)
|
|
consensus.LeaderPubKey = senderKey
|
|
consensus.ResetViewChangeState()
|
|
|
|
// change view and leaderKey to keep in sync with network
|
|
if consensus.blockNum != recvMsg.BlockNum {
|
|
utils.Logger().Debug().
|
|
Str("newLeaderKey", consensus.LeaderPubKey.SerializeToHexStr()).
|
|
Uint64("MsgBlockNum", recvMsg.BlockNum).
|
|
Msg("[onNewView] New Leader Changed")
|
|
return
|
|
}
|
|
|
|
// NewView message is verified, change state to normal consensus
|
|
// TODO: check magic number 32
|
|
if len(recvMsg.Payload) > 32 {
|
|
// Construct and send the commit message
|
|
blockNumHash := make([]byte, 8)
|
|
binary.LittleEndian.PutUint64(blockNumHash, consensus.blockNum)
|
|
commitPayload := append(blockNumHash, consensus.blockHash[:]...)
|
|
msgToSend := consensus.constructCommitMessage(commitPayload)
|
|
|
|
utils.Logger().Info().Msg("onNewView === commit")
|
|
consensus.host.SendMessageToGroups([]nodeconfig.GroupID{nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID))}, host.ConstructP2pMessage(byte(17), msgToSend))
|
|
utils.Logger().Debug().
|
|
Str("From", consensus.phase.String()).
|
|
Str("To", FBFTCommit.String()).
|
|
Msg("[OnViewChange] Switching phase")
|
|
consensus.switchPhase(FBFTCommit, true)
|
|
} else {
|
|
consensus.ResetState()
|
|
utils.Logger().Info().Msg("onNewView === announce")
|
|
}
|
|
utils.Logger().Debug().
|
|
Str("newLeaderKey", consensus.LeaderPubKey.SerializeToHexStr()).
|
|
Msg("new leader changed")
|
|
utils.Logger().Debug().
|
|
Msg("validator start consensus timer and stop view change timer")
|
|
consensus.consensusTimeout[timeoutConsensus].Start()
|
|
consensus.consensusTimeout[timeoutViewChange].Stop()
|
|
}
|
|
|