Rongjian Lan
6 years ago
parent
84a15e73d2
commit
80e05b8837
@ -1,65 +1,79 @@ |
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package consensus |
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import ( |
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"bytes" |
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"encoding/binary" |
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"github.com/dedis/kyber" |
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consensus2 "github.com/harmony-one/harmony/consensus/proto" |
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"github.com/harmony-one/harmony/crypto" |
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proto_consensus "github.com/harmony-one/harmony/proto/consensus" |
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) |
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// Construct the commit message to send to leader (assumption the consensus data is already verified)
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func (consensus *Consensus) constructCommitMessage(msgType proto_consensus.MessageType) (secret kyber.Scalar, commitMsg []byte) { |
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buffer := bytes.NewBuffer([]byte{}) |
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message := consensus2.Message{} |
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// 4 byte consensus id
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fourBytes := make([]byte, 4) |
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binary.BigEndian.PutUint32(fourBytes, consensus.consensusID) |
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buffer.Write(fourBytes) |
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message.ConsensusId = consensus.consensusID |
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// 32 byte block hash
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buffer.Write(consensus.blockHash[:]) |
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message.BlockHash = consensus.blockHash[:] |
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// 2 byte validator id
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twoBytes := make([]byte, 2) |
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binary.BigEndian.PutUint16(twoBytes, consensus.nodeID) |
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buffer.Write(twoBytes) |
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// 4 byte sender id
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message.SenderId = uint32(consensus.nodeID) |
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// 32 byte of commit (TODO: figure out why it's different than Zilliqa's ECPoint which takes 33 bytes: https://crypto.stackexchange.com/questions/51703/how-to-convert-from-curve25519-33-byte-to-32-byte-representation)
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secret, commitment := crypto.Commit(crypto.Ed25519Curve) |
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commitment.MarshalTo(buffer) |
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bytes, err := commitment.MarshalBinary() |
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if err != nil { |
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consensus.Log.Debug("Failed to marshal commit", "error", err) |
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} |
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message.Payload = bytes |
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marshaledMessage, err := message.XXX_Marshal([]byte{}, true) |
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if err != nil { |
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consensus.Log.Debug("Failed to marshal Announce message", "error", err) |
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} |
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// 64 byte of signature on previous data
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signature := consensus.signMessage(buffer.Bytes()) |
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buffer.Write(signature) |
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signature := consensus.signMessage(marshaledMessage) |
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message.Signature = signature |
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return secret, proto_consensus.ConstructConsensusMessage(msgType, buffer.Bytes()) |
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marshaledMessage, err = message.XXX_Marshal([]byte{}, true) |
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if err != nil { |
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consensus.Log.Debug("Failed to marshal Announce message", "error", err) |
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} |
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return secret, proto_consensus.ConstructConsensusMessage(msgType, marshaledMessage) |
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} |
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// Construct the response message to send to leader (assumption the consensus data is already verified)
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func (consensus *Consensus) constructResponseMessage(msgType proto_consensus.MessageType, response kyber.Scalar) []byte { |
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buffer := bytes.NewBuffer([]byte{}) |
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message := consensus2.Message{} |
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// 4 byte consensus id
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fourBytes := make([]byte, 4) |
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binary.BigEndian.PutUint32(fourBytes, consensus.consensusID) |
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buffer.Write(fourBytes) |
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message.ConsensusId = consensus.consensusID |
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// 32 byte block hash
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buffer.Write(consensus.blockHash[:32]) |
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message.BlockHash = consensus.blockHash[:] |
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// 2 byte validator id
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twoBytes := make([]byte, 2) |
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binary.BigEndian.PutUint16(twoBytes, consensus.nodeID) |
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buffer.Write(twoBytes) |
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// 4 byte sender id
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message.SenderId = uint32(consensus.nodeID) |
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// 32 byte of response
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response.MarshalTo(buffer) |
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bytes, err := response.MarshalBinary() |
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if err != nil { |
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consensus.Log.Debug("Failed to marshal response", "error", err) |
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} |
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message.Payload = bytes |
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marshaledMessage, err := message.XXX_Marshal([]byte{}, true) |
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if err != nil { |
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consensus.Log.Debug("Failed to marshal Announce message", "error", err) |
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} |
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// 64 byte of signature on previous data
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signature := consensus.signMessage(buffer.Bytes()) |
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buffer.Write(signature) |
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return proto_consensus.ConstructConsensusMessage(msgType, buffer.Bytes()) |
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signature := consensus.signMessage(marshaledMessage) |
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message.Signature = signature |
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marshaledMessage, err = message.XXX_Marshal([]byte{}, true) |
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if err != nil { |
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consensus.Log.Debug("Failed to marshal Announce message", "error", err) |
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} |
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return proto_consensus.ConstructConsensusMessage(msgType, marshaledMessage) |
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} |
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@ -0,0 +1,176 @@ |
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// Code generated by protoc-gen-go. DO NOT EDIT.
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// source: consensus.proto
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package consensus |
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import ( |
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fmt "fmt" |
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proto "github.com/golang/protobuf/proto" |
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math "math" |
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) |
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// Reference imports to suppress errors if they are not otherwise used.
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var _ = proto.Marshal |
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var _ = fmt.Errorf |
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var _ = math.Inf |
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// This is a compile-time assertion to ensure that this generated file
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// is compatible with the proto package it is being compiled against.
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// A compilation error at this line likely means your copy of the
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// proto package needs to be updated.
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const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
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type MessageType int32 |
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const ( |
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MessageType_UNKNOWN MessageType = 0 |
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MessageType_ANNOUNCE MessageType = 1 |
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MessageType_COMMIT MessageType = 2 |
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MessageType_CHALLENGE MessageType = 3 |
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MessageType_RESPONSE MessageType = 4 |
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MessageType_COLLECTIVE_SIG MessageType = 5 |
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MessageType_FINAL_COMMIT MessageType = 6 |
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MessageType_FINAL_CHALLENGE MessageType = 7 |
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MessageType_FINAL_RESPONSE MessageType = 8 |
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) |
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var MessageType_name = map[int32]string{ |
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0: "UNKNOWN", |
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1: "ANNOUNCE", |
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2: "COMMIT", |
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3: "CHALLENGE", |
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4: "RESPONSE", |
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5: "COLLECTIVE_SIG", |
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6: "FINAL_COMMIT", |
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7: "FINAL_CHALLENGE", |
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8: "FINAL_RESPONSE", |
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} |
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var MessageType_value = map[string]int32{ |
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"UNKNOWN": 0, |
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"ANNOUNCE": 1, |
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"COMMIT": 2, |
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"CHALLENGE": 3, |
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"RESPONSE": 4, |
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"COLLECTIVE_SIG": 5, |
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"FINAL_COMMIT": 6, |
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"FINAL_CHALLENGE": 7, |
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"FINAL_RESPONSE": 8, |
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} |
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func (x MessageType) String() string { |
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return proto.EnumName(MessageType_name, int32(x)) |
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} |
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func (MessageType) EnumDescriptor() ([]byte, []int) { |
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return fileDescriptor_56f0f2c53b3de771, []int{0} |
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} |
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type Message struct { |
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Type MessageType `protobuf:"varint,1,opt,name=type,proto3,enum=consensus.MessageType" json:"type,omitempty"` |
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ConsensusId uint32 `protobuf:"varint,2,opt,name=consensus_id,json=consensusId,proto3" json:"consensus_id,omitempty"` |
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SenderId uint32 `protobuf:"varint,3,opt,name=sender_id,json=senderId,proto3" json:"sender_id,omitempty"` |
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BlockHash []byte `protobuf:"bytes,4,opt,name=block_hash,json=blockHash,proto3" json:"block_hash,omitempty"` |
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Payload []byte `protobuf:"bytes,5,opt,name=payload,proto3" json:"payload,omitempty"` |
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Signature []byte `protobuf:"bytes,6,opt,name=signature,proto3" json:"signature,omitempty"` |
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XXX_NoUnkeyedLiteral struct{} `json:"-"` |
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XXX_unrecognized []byte `json:"-"` |
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XXX_sizecache int32 `json:"-"` |
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} |
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func (m *Message) Reset() { *m = Message{} } |
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func (m *Message) String() string { return proto.CompactTextString(m) } |
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func (*Message) ProtoMessage() {} |
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func (*Message) Descriptor() ([]byte, []int) { |
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return fileDescriptor_56f0f2c53b3de771, []int{0} |
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} |
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func (m *Message) XXX_Unmarshal(b []byte) error { |
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return xxx_messageInfo_Message.Unmarshal(m, b) |
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} |
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func (m *Message) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { |
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return xxx_messageInfo_Message.Marshal(b, m, deterministic) |
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} |
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func (m *Message) XXX_Merge(src proto.Message) { |
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xxx_messageInfo_Message.Merge(m, src) |
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} |
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func (m *Message) XXX_Size() int { |
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return xxx_messageInfo_Message.Size(m) |
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} |
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func (m *Message) XXX_DiscardUnknown() { |
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xxx_messageInfo_Message.DiscardUnknown(m) |
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} |
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var xxx_messageInfo_Message proto.InternalMessageInfo |
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func (m *Message) GetType() MessageType { |
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if m != nil { |
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return m.Type |
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} |
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return MessageType_UNKNOWN |
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} |
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func (m *Message) GetConsensusId() uint32 { |
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if m != nil { |
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return m.ConsensusId |
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} |
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return 0 |
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} |
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func (m *Message) GetSenderId() uint32 { |
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if m != nil { |
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return m.SenderId |
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} |
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return 0 |
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} |
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func (m *Message) GetBlockHash() []byte { |
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if m != nil { |
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return m.BlockHash |
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} |
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return nil |
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} |
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func (m *Message) GetPayload() []byte { |
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if m != nil { |
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return m.Payload |
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} |
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return nil |
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} |
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func (m *Message) GetSignature() []byte { |
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if m != nil { |
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return m.Signature |
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} |
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return nil |
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} |
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func init() { |
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proto.RegisterEnum("consensus.MessageType", MessageType_name, MessageType_value) |
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proto.RegisterType((*Message)(nil), "consensus.Message") |
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} |
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func init() { proto.RegisterFile("consensus.proto", fileDescriptor_56f0f2c53b3de771) } |
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var fileDescriptor_56f0f2c53b3de771 = []byte{ |
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// 302 bytes of a gzipped FileDescriptorProto
|
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0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x4c, 0x91, 0xdf, 0x4e, 0xc2, 0x30, |
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0x14, 0xc6, 0x2d, 0x7f, 0x36, 0x76, 0x18, 0xd0, 0x1c, 0x13, 0xd3, 0x44, 0x4d, 0xd0, 0x2b, 0xc2, |
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0x05, 0x17, 0xfa, 0x04, 0x64, 0xa9, 0xd0, 0x38, 0x3a, 0x33, 0x40, 0x2f, 0x97, 0xc2, 0x1a, 0x20, |
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0x92, 0x6d, 0xa1, 0x70, 0xc1, 0xdb, 0xf8, 0x40, 0x3e, 0x94, 0x61, 0x60, 0xf5, 0xb2, 0xbf, 0xdf, |
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0xf7, 0x7d, 0x69, 0x72, 0xa0, 0xb3, 0xcc, 0x33, 0xa3, 0x33, 0x73, 0x30, 0x83, 0x62, 0x97, 0xef, |
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0x73, 0xf4, 0x2c, 0x78, 0xfc, 0x26, 0xe0, 0x4e, 0xb4, 0x31, 0x6a, 0xa5, 0xb1, 0x0f, 0xb5, 0xfd, |
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0xb1, 0xd0, 0x8c, 0x74, 0x49, 0xaf, 0xfd, 0x74, 0x33, 0xf8, 0xab, 0x5d, 0x12, 0xb3, 0x63, 0xa1, |
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0xe3, 0x32, 0x83, 0x0f, 0xe0, 0x5b, 0x9d, 0x6c, 0x52, 0x56, 0xe9, 0x92, 0x5e, 0x2b, 0x6e, 0x5a, |
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0x26, 0x52, 0xbc, 0x05, 0xcf, 0xe8, 0x2c, 0xd5, 0xbb, 0x93, 0xaf, 0x96, 0xbe, 0x71, 0x06, 0x22, |
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0xc5, 0x7b, 0x80, 0xc5, 0x36, 0x5f, 0x7e, 0x26, 0x6b, 0x65, 0xd6, 0xac, 0xd6, 0x25, 0x3d, 0x3f, |
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0xf6, 0x4a, 0x32, 0x56, 0x66, 0x8d, 0x0c, 0xdc, 0x42, 0x1d, 0xb7, 0xb9, 0x4a, 0x59, 0xbd, 0x74, |
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0xbf, 0x4f, 0xbc, 0x03, 0xcf, 0x6c, 0x56, 0x99, 0xda, 0x1f, 0x76, 0x9a, 0x39, 0xe7, 0x9e, 0x05, |
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0xfd, 0x2f, 0x02, 0xcd, 0x7f, 0x9f, 0xc5, 0x26, 0xb8, 0x73, 0xf9, 0x2a, 0xa3, 0x0f, 0x49, 0xaf, |
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0xd0, 0x87, 0xc6, 0x50, 0xca, 0x68, 0x2e, 0x03, 0x4e, 0x09, 0x02, 0x38, 0x41, 0x34, 0x99, 0x88, |
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0x19, 0xad, 0x60, 0x0b, 0xbc, 0x60, 0x3c, 0x0c, 0x43, 0x2e, 0x47, 0x9c, 0x56, 0x4f, 0xc1, 0x98, |
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0x4f, 0xdf, 0x22, 0x39, 0xe5, 0xb4, 0x86, 0x08, 0xed, 0x20, 0x0a, 0x43, 0x1e, 0xcc, 0xc4, 0x3b, |
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0x4f, 0xa6, 0x62, 0x44, 0xeb, 0x48, 0xc1, 0x7f, 0x11, 0x72, 0x18, 0x26, 0x97, 0x09, 0x07, 0xaf, |
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0xa1, 0x73, 0x21, 0x76, 0xc8, 0x3d, 0x55, 0xcf, 0xd0, 0xce, 0x35, 0x16, 0x4e, 0x79, 0x83, 0xe7, |
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0x9f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x86, 0xa2, 0x8a, 0x4f, 0x96, 0x01, 0x00, 0x00, |
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} |
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@ -0,0 +1,24 @@ |
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syntax = "proto3"; |
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package consensus; |
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enum MessageType { |
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UNKNOWN = 0; |
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ANNOUNCE = 1; |
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COMMIT = 2; |
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CHALLENGE = 3; |
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RESPONSE = 4; |
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COLLECTIVE_SIG = 5; |
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FINAL_COMMIT = 6; |
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FINAL_CHALLENGE = 7; |
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FINAL_RESPONSE = 8; |
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} |
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message Message { |
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MessageType type = 1; |
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uint32 consensus_id = 2; |
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uint32 sender_id = 3; // TODO: make it public key |
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bytes block_hash = 4; |
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bytes payload = 5; |
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bytes signature = 6; |
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} |
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