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95 lines
3.2 KiB
95 lines
3.2 KiB
package consensus
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import (
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"github.com/ethereum/go-ethereum/rlp"
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msg_pb "github.com/harmony-one/harmony/api/proto/message"
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"github.com/harmony-one/harmony/consensus/quorum"
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"github.com/harmony-one/harmony/consensus/signature"
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"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/crypto/bls"
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
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"github.com/harmony-one/harmony/internal/utils"
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"github.com/harmony-one/harmony/p2p"
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)
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func (consensus *Consensus) didReachPrepareQuorum() error {
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logger := utils.Logger()
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logger.Info().Msg("[OnPrepare] Received Enough Prepare Signatures")
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leaderPriKey, err := consensus.getConsensusLeaderPrivateKey()
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if err != nil {
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utils.Logger().Warn().Err(err).Msg("[OnPrepare] leader not found")
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return err
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}
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// Construct and broadcast prepared message
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networkMessage, err := consensus.construct(
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msg_pb.MessageType_PREPARED, nil, []*bls.PrivateKeyWrapper{leaderPriKey},
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)
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if err != nil {
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consensus.getLogger().Err(err).
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Str("message-type", msg_pb.MessageType_PREPARED.String()).
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Msg("failed constructing message")
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return err
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}
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msgToSend, FBFTMsg, aggSig :=
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networkMessage.Bytes,
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networkMessage.FBFTMsg,
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networkMessage.OptionalAggregateSignature
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consensus.aggregatedPrepareSig = aggSig
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consensus.fBFTLog.AddVerifiedMessage(FBFTMsg)
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// Leader add commit phase signature
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var blockObj types.Block
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if err := rlp.DecodeBytes(consensus.block, &blockObj); err != nil {
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consensus.getLogger().Warn().
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Err(err).
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Uint64("BlockNum", consensus.BlockNum()).
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Msg("[didReachPrepareQuorum] Unparseable block data")
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return err
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}
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commitPayload := signature.ConstructCommitPayload(consensus.Blockchain().Config(),
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blockObj.Epoch(), blockObj.Hash(), blockObj.NumberU64(), blockObj.Header().ViewID().Uint64())
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// so by this point, everyone has committed to the blockhash of this block
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// in prepare and so this is the actual block.
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for i, key := range consensus.priKey {
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if err := consensus.commitBitmap.SetKey(key.Pub.Bytes, true); err != nil {
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consensus.getLogger().Warn().Msgf("[OnPrepare] Leader commit bitmap set failed for key at index %d", i)
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continue
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}
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if _, err := consensus.Decider.AddNewVote(
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quorum.Commit,
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[]*bls.PublicKeyWrapper{key.Pub},
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key.Pri.SignHash(commitPayload),
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blockObj.Hash(),
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blockObj.NumberU64(),
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blockObj.Header().ViewID().Uint64(),
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); err != nil {
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return err
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}
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}
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if err := consensus.msgSender.SendWithRetry(
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consensus.BlockNum(),
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msg_pb.MessageType_PREPARED, []nodeconfig.GroupID{
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nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID)),
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},
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p2p.ConstructMessage(msgToSend),
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); err != nil {
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consensus.getLogger().Warn().Msg("[OnPrepare] Cannot send prepared message")
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} else {
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consensus.getLogger().Info().
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Hex("blockHash", consensus.blockHash[:]).
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Uint64("blockNum", consensus.BlockNum()).
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Msg("[OnPrepare] Sent Prepared Message!!")
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}
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consensus.msgSender.StopRetry(msg_pb.MessageType_ANNOUNCE)
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// Stop retry committed msg of last consensus
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consensus.msgSender.StopRetry(msg_pb.MessageType_COMMITTED)
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consensus.getLogger().Debug().
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Str("From", consensus.phase.String()).
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Str("To", FBFTCommit.String()).
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Msg("[OnPrepare] Switching phase")
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return nil
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}
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