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