The core protocol of WoopChain
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woop/consensus/fbft_log.go

288 lines
9.1 KiB

package consensus
import (
"fmt"
"github.com/harmony-one/harmony/crypto/bls"
mapset "github.com/deckarep/golang-set"
"github.com/ethereum/go-ethereum/common"
bls_core "github.com/harmony-one/bls/ffi/go/bls"
msg_pb "github.com/harmony-one/harmony/api/proto/message"
"github.com/harmony-one/harmony/core/types"
bls_cosi "github.com/harmony-one/harmony/crypto/bls"
)
// FBFTLog represents the log stored by a node during FBFT process
type FBFTLog struct {
blocks mapset.Set //store blocks received in FBFT
messages mapset.Set // store messages received in FBFT
maxLogSize uint32
}
// FBFTMessage is the record of pbft messages received by a node during FBFT process
type FBFTMessage struct {
MessageType msg_pb.MessageType
ViewID uint64
BlockNum uint64
BlockHash common.Hash
Block []byte
SenderPubkeys []*bls.PublicKeyWrapper
SenderPubkeyBitmap []byte
LeaderPubkey *bls.PublicKeyWrapper
Payload []byte
ViewchangeSig *bls_core.Sign
ViewidSig *bls_core.Sign
M2AggSig *bls_core.Sign
M2Bitmap *bls_cosi.Mask
M3AggSig *bls_core.Sign
M3Bitmap *bls_cosi.Mask
}
// String ..
func (m *FBFTMessage) String() string {
sender := ""
for _, key := range m.SenderPubkeys {
if sender == "" {
sender = key.Bytes.Hex()
} else {
sender = sender + ";" + key.Bytes.Hex()
}
}
leader := ""
if m.LeaderPubkey != nil {
leader = m.LeaderPubkey.Bytes.Hex()
}
return fmt.Sprintf(
"[Type:%s ViewID:%d Num:%d BlockHash:%s Sender:%s Leader:%s]",
m.MessageType.String(),
m.ViewID,
m.BlockNum,
m.BlockHash.Hex(),
sender,
leader,
)
}
// NewFBFTLog returns new instance of FBFTLog
func NewFBFTLog() *FBFTLog {
blocks := mapset.NewSet()
messages := mapset.NewSet()
logSize := maxLogSize
pbftLog := FBFTLog{blocks: blocks, messages: messages, maxLogSize: logSize}
return &pbftLog
}
// Blocks return the blocks stored in the log
func (log *FBFTLog) Blocks() mapset.Set {
return log.blocks
}
// Messages return the messages stored in the log
func (log *FBFTLog) Messages() mapset.Set {
return log.messages
}
// AddBlock add a new block into the log
func (log *FBFTLog) AddBlock(block *types.Block) {
log.blocks.Add(block)
}
// GetBlockByHash returns the block matches the given block hash
func (log *FBFTLog) GetBlockByHash(hash common.Hash) *types.Block {
var found *types.Block
it := log.Blocks().Iterator()
for block := range it.C {
if block.(*types.Block).Header().Hash() == hash {
found = block.(*types.Block)
it.Stop()
}
}
return found
}
// GetBlocksByNumber returns the blocks match the given block number
func (log *FBFTLog) GetBlocksByNumber(number uint64) []*types.Block {
found := []*types.Block{}
it := log.Blocks().Iterator()
for block := range it.C {
if block.(*types.Block).NumberU64() == number {
found = append(found, block.(*types.Block))
}
}
return found
}
// DeleteBlocksLessThan deletes blocks less than given block number
func (log *FBFTLog) DeleteBlocksLessThan(number uint64) {
found := mapset.NewSet()
it := log.Blocks().Iterator()
for block := range it.C {
if block.(*types.Block).NumberU64() < number {
found.Add(block)
}
}
log.blocks = log.blocks.Difference(found)
}
// DeleteBlockByNumber deletes block of specific number
func (log *FBFTLog) DeleteBlockByNumber(number uint64) {
found := mapset.NewSet()
it := log.Blocks().Iterator()
for block := range it.C {
if block.(*types.Block).NumberU64() == number {
found.Add(block)
}
}
log.blocks = log.blocks.Difference(found)
}
// DeleteMessagesLessThan deletes messages less than given block number
func (log *FBFTLog) DeleteMessagesLessThan(number uint64) {
found := mapset.NewSet()
it := log.Messages().Iterator()
for msg := range it.C {
if msg.(*FBFTMessage).BlockNum < number {
found.Add(msg)
}
}
log.messages = log.messages.Difference(found)
}
// AddMessage adds a pbft message into the log
func (log *FBFTLog) AddMessage(msg *FBFTMessage) {
log.messages.Add(msg)
}
// GetMessagesByTypeSeqViewHash returns pbft messages with matching type, blockNum, viewID and blockHash
func (log *FBFTLog) GetMessagesByTypeSeqViewHash(typ msg_pb.MessageType, blockNum uint64, viewID uint64, blockHash common.Hash) []*FBFTMessage {
found := []*FBFTMessage{}
it := log.Messages().Iterator()
for msg := range it.C {
if msg.(*FBFTMessage).MessageType == typ &&
msg.(*FBFTMessage).BlockNum == blockNum &&
msg.(*FBFTMessage).ViewID == viewID &&
msg.(*FBFTMessage).BlockHash == blockHash {
found = append(found, msg.(*FBFTMessage))
}
}
return found
}
// GetMessagesByTypeSeq returns pbft messages with matching type, blockNum
func (log *FBFTLog) GetMessagesByTypeSeq(typ msg_pb.MessageType, blockNum uint64) []*FBFTMessage {
found := []*FBFTMessage{}
it := log.Messages().Iterator()
for msg := range it.C {
if msg.(*FBFTMessage).MessageType == typ &&
msg.(*FBFTMessage).BlockNum == blockNum {
found = append(found, msg.(*FBFTMessage))
}
}
return found
}
// GetMessagesByTypeSeqHash returns pbft messages with matching type, blockNum
func (log *FBFTLog) GetMessagesByTypeSeqHash(typ msg_pb.MessageType, blockNum uint64, blockHash common.Hash) []*FBFTMessage {
found := []*FBFTMessage{}
it := log.Messages().Iterator()
for msg := range it.C {
if msg.(*FBFTMessage).MessageType == typ &&
msg.(*FBFTMessage).BlockNum == blockNum &&
msg.(*FBFTMessage).BlockHash == blockHash {
found = append(found, msg.(*FBFTMessage))
}
}
return found
}
// HasMatchingAnnounce returns whether the log contains announce type message with given blockNum, blockHash
func (log *FBFTLog) HasMatchingAnnounce(blockNum uint64, blockHash common.Hash) bool {
found := log.GetMessagesByTypeSeqHash(msg_pb.MessageType_ANNOUNCE, blockNum, blockHash)
return len(found) >= 1
}
// HasMatchingViewAnnounce returns whether the log contains announce type message with given blockNum, viewID and blockHash
func (log *FBFTLog) HasMatchingViewAnnounce(blockNum uint64, viewID uint64, blockHash common.Hash) bool {
found := log.GetMessagesByTypeSeqViewHash(msg_pb.MessageType_ANNOUNCE, blockNum, viewID, blockHash)
return len(found) >= 1
}
// HasMatchingPrepared returns whether the log contains prepared message with given blockNum, viewID and blockHash
func (log *FBFTLog) HasMatchingPrepared(blockNum uint64, blockHash common.Hash) bool {
found := log.GetMessagesByTypeSeqHash(msg_pb.MessageType_PREPARED, blockNum, blockHash)
return len(found) >= 1
}
// HasMatchingViewPrepared returns whether the log contains prepared message with given blockNum, viewID and blockHash
func (log *FBFTLog) HasMatchingViewPrepared(blockNum uint64, viewID uint64, blockHash common.Hash) bool {
found := log.GetMessagesByTypeSeqViewHash(msg_pb.MessageType_PREPARED, blockNum, viewID, blockHash)
return len(found) >= 1
}
// GetMessagesByTypeSeqView returns pbft messages with matching type, blockNum and viewID
func (log *FBFTLog) GetMessagesByTypeSeqView(typ msg_pb.MessageType, blockNum uint64, viewID uint64) []*FBFTMessage {
found := []*FBFTMessage{}
it := log.Messages().Iterator()
for msg := range it.C {
if msg.(*FBFTMessage).MessageType != typ || msg.(*FBFTMessage).BlockNum != blockNum || msg.(*FBFTMessage).ViewID != viewID {
continue
}
found = append(found, msg.(*FBFTMessage))
}
return found
}
// FindMessageByMaxViewID returns the message that has maximum ViewID
func (log *FBFTLog) FindMessageByMaxViewID(msgs []*FBFTMessage) *FBFTMessage {
if len(msgs) == 0 {
return nil
}
maxIdx := -1
maxViewID := uint64(0)
for k, v := range msgs {
if v.ViewID >= maxViewID {
maxIdx = k
maxViewID = v.ViewID
}
}
return msgs[maxIdx]
}
// ParseFBFTMessage parses FBFT message into FBFTMessage structure
func (consensus *Consensus) ParseFBFTMessage(msg *msg_pb.Message) (*FBFTMessage, error) {
// TODO Have this do sanity checks on the message please
pbftMsg := FBFTMessage{}
pbftMsg.MessageType = msg.GetType()
consensusMsg := msg.GetConsensus()
pbftMsg.ViewID = consensusMsg.ViewId
pbftMsg.BlockNum = consensusMsg.BlockNum
copy(pbftMsg.BlockHash[:], consensusMsg.BlockHash[:])
pbftMsg.Payload = make([]byte, len(consensusMsg.Payload))
copy(pbftMsg.Payload[:], consensusMsg.Payload[:])
pbftMsg.Block = make([]byte, len(consensusMsg.Block))
copy(pbftMsg.Block[:], consensusMsg.Block[:])
pbftMsg.SenderPubkeyBitmap = make([]byte, len(consensusMsg.SenderPubkeyBitmap))
copy(pbftMsg.SenderPubkeyBitmap[:], consensusMsg.SenderPubkeyBitmap[:])
if len(consensusMsg.SenderPubkey) != 0 {
// If SenderPubKey is populated, treat it as a single key message
pubKey, err := bls_cosi.BytesToBLSPublicKey(consensusMsg.SenderPubkey)
if err != nil {
return nil, err
}
pbftMsg.SenderPubkeys = []*bls.PublicKeyWrapper{{Object: pubKey}}
copy(pbftMsg.SenderPubkeys[0].Bytes[:], consensusMsg.SenderPubkey[:])
} else {
// else, it should be a multi-key message where the bitmap is populated
consensus.multiSigMutex.RLock()
pubKeys, err := consensus.multiSigBitmap.GetSignedPubKeysFromBitmap(pbftMsg.SenderPubkeyBitmap)
consensus.multiSigMutex.RUnlock()
if err != nil {
return nil, err
}
pbftMsg.SenderPubkeys = pubKeys
}
return &pbftMsg, nil
}