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.
386 lines
9.9 KiB
386 lines
9.9 KiB
package consensus
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
|
|
cstypes "github.com/tendermint/tendermint/consensus/types"
|
|
"github.com/tendermint/tendermint/libs/bits"
|
|
tmmath "github.com/tendermint/tendermint/libs/math"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
tmcons "github.com/tendermint/tendermint/proto/tendermint/consensus"
|
|
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
// MsgToProto takes a consensus message type and returns the proto defined consensus message
|
|
func MsgToProto(msg Message) (*tmcons.Message, error) {
|
|
if msg == nil {
|
|
return nil, errors.New("consensus: message is nil")
|
|
}
|
|
var pb tmcons.Message
|
|
|
|
switch msg := msg.(type) {
|
|
case *NewRoundStepMessage:
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_NewRoundStep{
|
|
NewRoundStep: &tmcons.NewRoundStep{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Step: uint32(msg.Step),
|
|
SecondsSinceStartTime: msg.SecondsSinceStartTime,
|
|
LastCommitRound: msg.LastCommitRound,
|
|
},
|
|
},
|
|
}
|
|
case *NewValidBlockMessage:
|
|
pbPartSetHeader := msg.BlockPartSetHeader.ToProto()
|
|
pbBits := msg.BlockParts.ToProto()
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_NewValidBlock{
|
|
NewValidBlock: &tmcons.NewValidBlock{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
BlockPartSetHeader: pbPartSetHeader,
|
|
BlockParts: pbBits,
|
|
IsCommit: msg.IsCommit,
|
|
},
|
|
},
|
|
}
|
|
case *ProposalMessage:
|
|
pbP := msg.Proposal.ToProto()
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_Proposal{
|
|
Proposal: &tmcons.Proposal{
|
|
Proposal: *pbP,
|
|
},
|
|
},
|
|
}
|
|
case *ProposalPOLMessage:
|
|
pbBits := msg.ProposalPOL.ToProto()
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_ProposalPol{
|
|
ProposalPol: &tmcons.ProposalPOL{
|
|
Height: msg.Height,
|
|
ProposalPolRound: msg.ProposalPOLRound,
|
|
ProposalPol: *pbBits,
|
|
},
|
|
},
|
|
}
|
|
case *BlockPartMessage:
|
|
parts, err := msg.Part.ToProto()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("msg to proto error: %w", err)
|
|
}
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_BlockPart{
|
|
BlockPart: &tmcons.BlockPart{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Part: *parts,
|
|
},
|
|
},
|
|
}
|
|
case *VoteMessage:
|
|
vote := msg.Vote.ToProto()
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_Vote{
|
|
Vote: &tmcons.Vote{
|
|
Vote: vote,
|
|
},
|
|
},
|
|
}
|
|
case *HasVoteMessage:
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_HasVote{
|
|
HasVote: &tmcons.HasVote{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Type: msg.Type,
|
|
Index: msg.Index,
|
|
},
|
|
},
|
|
}
|
|
case *VoteSetMaj23Message:
|
|
bi := msg.BlockID.ToProto()
|
|
pb = tmcons.Message{
|
|
Sum: &tmcons.Message_VoteSetMaj23{
|
|
VoteSetMaj23: &tmcons.VoteSetMaj23{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Type: msg.Type,
|
|
BlockID: bi,
|
|
},
|
|
},
|
|
}
|
|
case *VoteSetBitsMessage:
|
|
bi := msg.BlockID.ToProto()
|
|
bits := msg.Votes.ToProto()
|
|
|
|
vsb := &tmcons.Message_VoteSetBits{
|
|
VoteSetBits: &tmcons.VoteSetBits{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Type: msg.Type,
|
|
BlockID: bi,
|
|
},
|
|
}
|
|
|
|
if bits != nil {
|
|
vsb.VoteSetBits.Votes = *bits
|
|
}
|
|
|
|
pb = tmcons.Message{
|
|
Sum: vsb,
|
|
}
|
|
|
|
default:
|
|
return nil, fmt.Errorf("consensus: message not recognized: %T", msg)
|
|
}
|
|
|
|
return &pb, nil
|
|
}
|
|
|
|
// MsgFromProto takes a consensus proto message and returns the native go type
|
|
func MsgFromProto(msg *tmcons.Message) (Message, error) {
|
|
if msg == nil {
|
|
return nil, errors.New("consensus: nil message")
|
|
}
|
|
var pb Message
|
|
|
|
switch msg := msg.Sum.(type) {
|
|
case *tmcons.Message_NewRoundStep:
|
|
rs, err := tmmath.SafeConvertUint8(int64(msg.NewRoundStep.Step))
|
|
// deny message based on possible overflow
|
|
if err != nil {
|
|
return nil, fmt.Errorf("denying message due to possible overflow: %w", err)
|
|
}
|
|
pb = &NewRoundStepMessage{
|
|
Height: msg.NewRoundStep.Height,
|
|
Round: msg.NewRoundStep.Round,
|
|
Step: cstypes.RoundStepType(rs),
|
|
SecondsSinceStartTime: msg.NewRoundStep.SecondsSinceStartTime,
|
|
LastCommitRound: msg.NewRoundStep.LastCommitRound,
|
|
}
|
|
case *tmcons.Message_NewValidBlock:
|
|
pbPartSetHeader, err := types.PartSetHeaderFromProto(&msg.NewValidBlock.BlockPartSetHeader)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("parts header to proto error: %w", err)
|
|
}
|
|
|
|
pbBits := new(bits.BitArray)
|
|
err = pbBits.FromProto(msg.NewValidBlock.BlockParts)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("parts to proto error: %w", err)
|
|
}
|
|
|
|
pb = &NewValidBlockMessage{
|
|
Height: msg.NewValidBlock.Height,
|
|
Round: msg.NewValidBlock.Round,
|
|
BlockPartSetHeader: *pbPartSetHeader,
|
|
BlockParts: pbBits,
|
|
IsCommit: msg.NewValidBlock.IsCommit,
|
|
}
|
|
case *tmcons.Message_Proposal:
|
|
pbP, err := types.ProposalFromProto(&msg.Proposal.Proposal)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("proposal msg to proto error: %w", err)
|
|
}
|
|
|
|
pb = &ProposalMessage{
|
|
Proposal: pbP,
|
|
}
|
|
case *tmcons.Message_ProposalPol:
|
|
pbBits := new(bits.BitArray)
|
|
err := pbBits.FromProto(&msg.ProposalPol.ProposalPol)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("proposal PoL to proto error: %w", err)
|
|
}
|
|
pb = &ProposalPOLMessage{
|
|
Height: msg.ProposalPol.Height,
|
|
ProposalPOLRound: msg.ProposalPol.ProposalPolRound,
|
|
ProposalPOL: pbBits,
|
|
}
|
|
case *tmcons.Message_BlockPart:
|
|
parts, err := types.PartFromProto(&msg.BlockPart.Part)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("blockpart msg to proto error: %w", err)
|
|
}
|
|
pb = &BlockPartMessage{
|
|
Height: msg.BlockPart.Height,
|
|
Round: msg.BlockPart.Round,
|
|
Part: parts,
|
|
}
|
|
case *tmcons.Message_Vote:
|
|
vote, err := types.VoteFromProto(msg.Vote.Vote)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("vote msg to proto error: %w", err)
|
|
}
|
|
|
|
pb = &VoteMessage{
|
|
Vote: vote,
|
|
}
|
|
case *tmcons.Message_HasVote:
|
|
pb = &HasVoteMessage{
|
|
Height: msg.HasVote.Height,
|
|
Round: msg.HasVote.Round,
|
|
Type: msg.HasVote.Type,
|
|
Index: msg.HasVote.Index,
|
|
}
|
|
case *tmcons.Message_VoteSetMaj23:
|
|
bi, err := types.BlockIDFromProto(&msg.VoteSetMaj23.BlockID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("voteSetMaj23 msg to proto error: %w", err)
|
|
}
|
|
pb = &VoteSetMaj23Message{
|
|
Height: msg.VoteSetMaj23.Height,
|
|
Round: msg.VoteSetMaj23.Round,
|
|
Type: msg.VoteSetMaj23.Type,
|
|
BlockID: *bi,
|
|
}
|
|
case *tmcons.Message_VoteSetBits:
|
|
bi, err := types.BlockIDFromProto(&msg.VoteSetBits.BlockID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("block ID to proto error: %w", err)
|
|
}
|
|
bits := new(bits.BitArray)
|
|
err = bits.FromProto(&msg.VoteSetBits.Votes)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("votes to proto error: %w", err)
|
|
}
|
|
|
|
pb = &VoteSetBitsMessage{
|
|
Height: msg.VoteSetBits.Height,
|
|
Round: msg.VoteSetBits.Round,
|
|
Type: msg.VoteSetBits.Type,
|
|
BlockID: *bi,
|
|
Votes: bits,
|
|
}
|
|
default:
|
|
return nil, fmt.Errorf("consensus: message not recognized: %T", msg)
|
|
}
|
|
|
|
if err := pb.ValidateBasic(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return pb, nil
|
|
}
|
|
|
|
// MustEncode takes the reactors msg, makes it proto and marshals it
|
|
// this mimics `MustMarshalBinaryBare` in that is panics on error
|
|
func MustEncode(msg Message) []byte {
|
|
pb, err := MsgToProto(msg)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
enc, err := proto.Marshal(pb)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return enc
|
|
}
|
|
|
|
// WALToProto takes a WAL message and return a proto walMessage and error
|
|
func WALToProto(msg WALMessage) (*tmcons.WALMessage, error) {
|
|
var pb tmcons.WALMessage
|
|
|
|
switch msg := msg.(type) {
|
|
case types.EventDataRoundState:
|
|
pb = tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_EventDataRoundState{
|
|
EventDataRoundState: &tmproto.EventDataRoundState{
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Step: msg.Step,
|
|
},
|
|
},
|
|
}
|
|
case msgInfo:
|
|
consMsg, err := MsgToProto(msg.Msg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
pb = tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_MsgInfo{
|
|
MsgInfo: &tmcons.MsgInfo{
|
|
Msg: *consMsg,
|
|
PeerID: string(msg.PeerID),
|
|
},
|
|
},
|
|
}
|
|
case timeoutInfo:
|
|
pb = tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_TimeoutInfo{
|
|
TimeoutInfo: &tmcons.TimeoutInfo{
|
|
Duration: msg.Duration,
|
|
Height: msg.Height,
|
|
Round: msg.Round,
|
|
Step: uint32(msg.Step),
|
|
},
|
|
},
|
|
}
|
|
case EndHeightMessage:
|
|
pb = tmcons.WALMessage{
|
|
Sum: &tmcons.WALMessage_EndHeight{
|
|
EndHeight: &tmcons.EndHeight{
|
|
Height: msg.Height,
|
|
},
|
|
},
|
|
}
|
|
default:
|
|
return nil, fmt.Errorf("to proto: wal message not recognized: %T", msg)
|
|
}
|
|
|
|
return &pb, nil
|
|
}
|
|
|
|
// WALFromProto takes a proto wal message and return a consensus walMessage and error
|
|
func WALFromProto(msg *tmcons.WALMessage) (WALMessage, error) {
|
|
if msg == nil {
|
|
return nil, errors.New("nil WAL message")
|
|
}
|
|
var pb WALMessage
|
|
|
|
switch msg := msg.Sum.(type) {
|
|
case *tmcons.WALMessage_EventDataRoundState:
|
|
pb = types.EventDataRoundState{
|
|
Height: msg.EventDataRoundState.Height,
|
|
Round: msg.EventDataRoundState.Round,
|
|
Step: msg.EventDataRoundState.Step,
|
|
}
|
|
case *tmcons.WALMessage_MsgInfo:
|
|
walMsg, err := MsgFromProto(&msg.MsgInfo.Msg)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("msgInfo from proto error: %w", err)
|
|
}
|
|
pb = msgInfo{
|
|
Msg: walMsg,
|
|
PeerID: p2p.ID(msg.MsgInfo.PeerID),
|
|
}
|
|
|
|
case *tmcons.WALMessage_TimeoutInfo:
|
|
tis, err := tmmath.SafeConvertUint8(int64(msg.TimeoutInfo.Step))
|
|
// deny message based on possible overflow
|
|
if err != nil {
|
|
return nil, fmt.Errorf("denying message due to possible overflow: %w", err)
|
|
}
|
|
pb = timeoutInfo{
|
|
Duration: msg.TimeoutInfo.Duration,
|
|
Height: msg.TimeoutInfo.Height,
|
|
Round: msg.TimeoutInfo.Round,
|
|
Step: cstypes.RoundStepType(tis),
|
|
}
|
|
return pb, nil
|
|
case *tmcons.WALMessage_EndHeight:
|
|
pb := EndHeightMessage{
|
|
Height: msg.EndHeight.Height,
|
|
}
|
|
return pb, nil
|
|
default:
|
|
return nil, fmt.Errorf("from proto: wal message not recognized: %T", msg)
|
|
}
|
|
return pb, nil
|
|
}
|