ak
6 years ago
commit
15abdeaf85
@ -0,0 +1 @@ |
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protoc -I proto/ proto/client.proto --go_out=plugins=grpc:proto |
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@ -0,0 +1,145 @@ |
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// Code generated by protoc-gen-go. DO NOT EDIT.
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// source: drand.proto
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package drand |
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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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|
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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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|
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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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|
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const ( |
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MessageType_UNKNOWN MessageType = 0 |
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MessageType_INIT MessageType = 1 |
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MessageType_COMMIT MessageType = 2 |
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) |
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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: "INIT", |
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2: "COMMIT", |
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} |
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|
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var MessageType_value = map[string]int32{ |
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"UNKNOWN": 0, |
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"INIT": 1, |
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"COMMIT": 2, |
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} |
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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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|
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func (MessageType) EnumDescriptor() ([]byte, []int) { |
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return fileDescriptor_1d855c36cf2c0c50, []int{0} |
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} |
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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=drand.MessageType" json:"type,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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|
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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_1d855c36cf2c0c50, []int{0} |
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} |
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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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|
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var xxx_messageInfo_Message proto.InternalMessageInfo |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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func init() { |
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proto.RegisterEnum("drand.MessageType", MessageType_name, MessageType_value) |
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proto.RegisterType((*Message)(nil), "drand.Message") |
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} |
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|
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func init() { proto.RegisterFile("drand.proto", fileDescriptor_1d855c36cf2c0c50) } |
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|
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var fileDescriptor_1d855c36cf2c0c50 = []byte{ |
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// 214 bytes of a gzipped FileDescriptorProto
|
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0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x4c, 0x8f, 0xcf, 0x4a, 0x87, 0x40, |
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0x10, 0x80, 0xdb, 0xf2, 0xe7, 0x9f, 0xb1, 0x42, 0xe6, 0xb4, 0x50, 0x81, 0x74, 0x08, 0xe9, 0x20, |
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0x51, 0x8f, 0xd0, 0xa5, 0x25, 0x5c, 0x41, 0x8c, 0x8e, 0xb2, 0xb6, 0x8b, 0x4a, 0xe2, 0x2e, 0xbb, |
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0x76, 0xf0, 0x81, 0x7a, 0xcf, 0x60, 0xad, 0xf8, 0x1d, 0xbf, 0xef, 0x9b, 0x81, 0x19, 0x48, 0xa5, |
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0x15, 0x8b, 0x2c, 0x8d, 0xd5, 0xab, 0xc6, 0x83, 0x87, 0xdb, 0x6f, 0x02, 0x51, 0xa5, 0x9c, 0x13, |
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0x83, 0xc2, 0x3b, 0x08, 0xd6, 0xcd, 0x28, 0x4a, 0x72, 0x52, 0x5c, 0x3e, 0x62, 0xb9, 0x8f, 0xff, |
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0xd6, 0x76, 0x33, 0xaa, 0xf1, 0x1d, 0xaf, 0x20, 0x71, 0x6a, 0x91, 0xca, 0x76, 0x93, 0xa4, 0x67, |
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0x39, 0x29, 0x2e, 0x9a, 0x78, 0x17, 0x4c, 0xe2, 0x0d, 0x40, 0x3f, 0xeb, 0x8f, 0xcf, 0x6e, 0x14, |
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0x6e, 0xa4, 0x41, 0x4e, 0x8a, 0xf3, 0x26, 0xf1, 0xe6, 0x45, 0xb8, 0x11, 0x29, 0x44, 0x46, 0x6c, |
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0xb3, 0x16, 0x92, 0x1e, 0x7c, 0xfb, 0x43, 0xbc, 0x86, 0xc4, 0x4d, 0xc3, 0x22, 0xd6, 0x2f, 0xab, |
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0x68, 0xb8, 0xef, 0xfd, 0x8b, 0xfb, 0x07, 0x48, 0x8f, 0x0e, 0xc1, 0x14, 0xa2, 0x37, 0xfe, 0xca, |
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0xeb, 0x77, 0x9e, 0x9d, 0x60, 0x0c, 0x01, 0xe3, 0xac, 0xcd, 0x08, 0x02, 0x84, 0xcf, 0x75, 0x55, |
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0xb1, 0x36, 0x3b, 0xed, 0x43, 0xff, 0xe7, 0xd3, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x79, 0xfa, |
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0xf8, 0x57, 0xf6, 0x00, 0x00, 0x00, |
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} |
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@ -0,0 +1,17 @@ |
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syntax = "proto3"; |
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package drand; |
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enum MessageType { |
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UNKNOWN = 0; |
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INIT = 1; |
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COMMIT = 2; |
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} |
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message Message { |
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MessageType type = 1; |
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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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@ -0,0 +1,194 @@ |
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package drand |
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import ( |
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"crypto/sha256" |
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"encoding/binary" |
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"errors" |
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"strconv" |
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"sync" |
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protobuf "github.com/golang/protobuf/proto" |
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"github.com/harmony-one/bls/ffi/go/bls" |
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drand_proto "github.com/harmony-one/harmony/api/drand" |
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bls_cosi "github.com/harmony-one/harmony/crypto/bls" |
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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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// DRand is the main struct which contains state for the distributed randomness protocol.
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type DRand struct { |
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vrfs *map[uint32][]byte |
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bitmap *bls_cosi.Mask |
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pRand *[32]byte |
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rand *[32]byte |
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// map of nodeID to validator Peer object
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// FIXME: should use PubKey of p2p.Peer as the hashkey
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validators sync.Map // key is uint16, value is p2p.Peer
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// Leader's address
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leader p2p.Peer |
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// Public keys of the committee including leader and validators
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PublicKeys []*bls.PublicKey |
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// private/public keys of current node
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priKey *bls.SecretKey |
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pubKey *bls.PublicKey |
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// Whether I am leader. False means I am validator
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IsLeader bool |
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// Leader or validator Id - 4 byte
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nodeID uint32 |
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// The p2p host used to send/receive p2p messages
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host p2p.Host |
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// Shard Id which this node belongs to
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ShardID uint32 |
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// Blockhash - 32 byte
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blockHash [32]byte |
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} |
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// New creates a new dRand object
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func New(host p2p.Host, ShardID string, peers []p2p.Peer, leader p2p.Peer) *DRand { |
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dRand := DRand{} |
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dRand.host = host |
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selfPeer := host.GetSelfPeer() |
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if leader.Port == selfPeer.Port && leader.IP == selfPeer.IP { |
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dRand.IsLeader = true |
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} else { |
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dRand.IsLeader = false |
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} |
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dRand.leader = leader |
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for _, peer := range peers { |
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dRand.validators.Store(utils.GetUniqueIDFromPeer(peer), peer) |
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} |
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dRand.vrfs = &map[uint32][]byte{} |
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// Initialize cosign bitmap
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allPublicKeys := make([]*bls.PublicKey, 0) |
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for _, validatorPeer := range peers { |
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allPublicKeys = append(allPublicKeys, validatorPeer.PubKey) |
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} |
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allPublicKeys = append(allPublicKeys, leader.PubKey) |
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dRand.PublicKeys = allPublicKeys |
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bitmap, _ := bls_cosi.NewMask(dRand.PublicKeys, dRand.leader.PubKey) |
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dRand.bitmap = bitmap |
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dRand.pRand = nil |
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dRand.rand = nil |
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// For now use socket address as ID
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// TODO: populate Id derived from address
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dRand.nodeID = utils.GetUniqueIDFromPeer(selfPeer) |
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// Set private key for myself so that I can sign messages.
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nodeIDBytes := make([]byte, 32) |
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binary.LittleEndian.PutUint32(nodeIDBytes, dRand.nodeID) |
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privateKey := bls.SecretKey{} |
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err := privateKey.SetLittleEndian(nodeIDBytes) |
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dRand.priKey = &privateKey |
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dRand.pubKey = privateKey.GetPublicKey() |
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myShardID, err := strconv.Atoi(ShardID) |
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if err != nil { |
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panic("Unparseable shard Id" + ShardID) |
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} |
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dRand.ShardID = uint32(myShardID) |
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return &dRand |
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} |
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// Sign on the drand message signature field.
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func (dRand *DRand) signDRandMessage(message *drand_proto.Message) error { |
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message.Signature = nil |
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// TODO: use custom serialization method rather than protobuf
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marshaledMessage, err := protobuf.Marshal(message) |
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if err != nil { |
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return err |
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} |
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// 64 byte of signature on previous data
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hash := sha256.Sum256(marshaledMessage) |
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signature := dRand.priKey.SignHash(hash[:]) |
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message.Signature = signature.Serialize() |
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return nil |
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} |
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// Signs the drand message and returns the marshaled message.
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func (dRand *DRand) signAndMarshalDRandMessage(message *drand_proto.Message) ([]byte, error) { |
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err := dRand.signDRandMessage(message) |
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if err != nil { |
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return []byte{}, err |
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} |
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marshaledMessage, err := protobuf.Marshal(message) |
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if err != nil { |
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return []byte{}, err |
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} |
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return marshaledMessage, nil |
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} |
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func (dRand *DRand) vrf(blockHash [32]byte) (rand [32]byte, proof []byte) { |
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// TODO: implement vrf
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return [32]byte{}, []byte{} |
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} |
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// GetValidatorPeers returns list of validator peers.
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func (dRand *DRand) GetValidatorPeers() []p2p.Peer { |
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validatorPeers := make([]p2p.Peer, 0) |
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dRand.validators.Range(func(k, v interface{}) bool { |
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if peer, ok := v.(p2p.Peer); ok { |
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validatorPeers = append(validatorPeers, peer) |
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return true |
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} |
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return false |
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}) |
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return validatorPeers |
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} |
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// Verify the signature of the message are valid from the signer's public key.
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func verifyMessageSig(signerPubKey *bls.PublicKey, message drand_proto.Message) error { |
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signature := message.Signature |
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message.Signature = nil |
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messageBytes, err := protobuf.Marshal(&message) |
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if err != nil { |
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return err |
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} |
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msgSig := bls.Sign{} |
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err = msgSig.Deserialize(signature) |
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if err != nil { |
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return err |
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} |
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msgHash := sha256.Sum256(messageBytes) |
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if !msgSig.VerifyHash(signerPubKey, msgHash[:]) { |
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return errors.New("failed to verify the signature") |
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} |
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return nil |
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} |
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|
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// Gets the validator peer based on validator ID.
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func (dRand *DRand) getValidatorPeerByID(validatorID uint32) *p2p.Peer { |
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v, ok := dRand.validators.Load(validatorID) |
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if !ok { |
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utils.GetLogInstance().Warn("Unrecognized validator", "validatorID", validatorID, "dRand", dRand) |
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return nil |
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} |
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value, ok := v.(p2p.Peer) |
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if !ok { |
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utils.GetLogInstance().Warn("Invalid validator", "validatorID", validatorID, "dRand", dRand) |
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return nil |
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} |
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return &value |
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} |
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@ -0,0 +1,93 @@ |
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package drand |
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|
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import ( |
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protobuf "github.com/golang/protobuf/proto" |
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drand_proto "github.com/harmony-one/harmony/api/drand" |
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"github.com/harmony-one/harmony/core/types" |
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"github.com/harmony-one/harmony/internal/utils" |
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"github.com/harmony-one/harmony/p2p/host" |
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) |
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|
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// WaitForEpochBlock waits for the first epoch block to run DRG on
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func (dRand *DRand) WaitForEpochBlock(blockChannel chan *types.Block, stopChan chan struct{}, stoppedChan chan struct{}) { |
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go func() { |
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defer close(stoppedChan) |
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for { |
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select { |
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default: |
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// keep waiting for new blocks
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newBlock := <-blockChannel |
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// TODO: think about potential race condition
|
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|
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dRand.init(newBlock) |
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case <-stopChan: |
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return |
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} |
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} |
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}() |
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} |
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|
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func (dRand *DRand) init(epochBlock *types.Block) { |
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// Copy over block hash and block header data
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blockHash := epochBlock.Hash() |
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copy(dRand.blockHash[:], blockHash[:]) |
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|
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msgToSend := dRand.constructInitMessage() |
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|
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// Leader commit vrf itself
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rand, proof := dRand.vrf(dRand.blockHash) |
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|
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(*dRand.vrfs)[dRand.nodeID] = append(rand[:], proof...) |
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|
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host.BroadcastMessageFromLeader(dRand.host, dRand.GetValidatorPeers(), msgToSend, nil) |
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} |
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|
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// ProcessMessageLeader dispatches messages for the leader to corresponding processors.
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func (dRand *DRand) ProcessMessageLeader(payload []byte) { |
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message := drand_proto.Message{} |
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err := protobuf.Unmarshal(payload, &message) |
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|
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if err != nil { |
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utils.GetLogInstance().Error("Failed to unmarshal message payload.", "err", err, "dRand", dRand) |
||||
} |
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|
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switch message.Type { |
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case drand_proto.MessageType_COMMIT: |
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dRand.processCommitMessage(message) |
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default: |
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utils.GetLogInstance().Error("Unexpected message type", "msgType", message.Type, "dRand", dRand) |
||||
} |
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} |
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|
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// ProcessMessageValidator dispatches validator's consensus message.
|
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func (dRand *DRand) processCommitMessage(message drand_proto.Message) { |
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if message.Type != drand_proto.MessageType_COMMIT { |
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utils.GetLogInstance().Error("Wrong message type received", "expected", drand_proto.MessageType_COMMIT, "got", message.Type) |
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return |
||||
} |
||||
|
||||
// Verify message signature
|
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err := verifyMessageSig(dRand.leader.PubKey, message) |
||||
if err != nil { |
||||
utils.GetLogInstance().Warn("Failed to verify the message signature", "Error", err) |
||||
return |
||||
} |
||||
|
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rand := message.Payload[:32] |
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proof := message.Payload[32:] |
||||
_ = rand |
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_ = proof |
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// TODO: check the validity of the vrf commit
|
||||
|
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validatorID := message.SenderId |
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validatorPeer := dRand.getValidatorPeerByID(validatorID) |
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vrfs := dRand.vrfs |
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utils.GetLogInstance().Debug("Received new prepare signature", "numReceivedSoFar", len((*vrfs)), "validatorID", validatorID, "PublicKeys", len(dRand.PublicKeys)) |
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|
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(*vrfs)[validatorID] = message.Payload |
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dRand.bitmap.SetKey(validatorPeer.PubKey, true) // Set the bitmap indicating that this validator signed.
|
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|
||||
if len((*vrfs)) >= ((len(dRand.PublicKeys))/3 + 1) { |
||||
// Construct pRand and initiate consensus on it
|
||||
} |
||||
} |
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@ -0,0 +1,21 @@ |
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package drand |
||||
|
||||
import ( |
||||
drand_proto "github.com/harmony-one/harmony/api/drand" |
||||
"github.com/harmony-one/harmony/api/proto" |
||||
"github.com/harmony-one/harmony/internal/utils" |
||||
) |
||||
|
||||
// Constructs the init message
|
||||
func (drand *DRand) constructInitMessage() []byte { |
||||
message := drand_proto.Message{} |
||||
message.Type = drand_proto.MessageType_INIT |
||||
|
||||
message.BlockHash = drand.blockHash[:] |
||||
// Don't need the payload in init message
|
||||
marshaledMessage, err := drand.signAndMarshalDRandMessage(&message) |
||||
if err != nil { |
||||
utils.GetLogInstance().Error("Failed to sign and marshal the init message", "error", err) |
||||
} |
||||
return proto.ConstructDRandMessage(marshaledMessage) |
||||
} |
||||
@ -0,0 +1,26 @@ |
||||
package drand |
||||
|
||||
import ( |
||||
"testing" |
||||
|
||||
"github.com/harmony-one/harmony/internal/utils" |
||||
"github.com/harmony-one/harmony/p2p" |
||||
"github.com/harmony-one/harmony/p2p/p2pimpl" |
||||
) |
||||
|
||||
func TestConstructInitMessage(test *testing.T) { |
||||
leader := p2p.Peer{IP: "127.0.0.1", Port: "19999"} |
||||
validator := p2p.Peer{IP: "127.0.0.1", Port: "55555"} |
||||
priKey, _, _ := utils.GenKeyP2P("127.0.0.1", "9902") |
||||
host, err := p2pimpl.NewHost(&leader, priKey) |
||||
if err != nil { |
||||
test.Fatalf("newhost failure: %v", err) |
||||
} |
||||
dRand := New(host, "0", []p2p.Peer{leader, validator}, leader) |
||||
dRand.blockHash = [32]byte{} |
||||
msg := dRand.constructInitMessage() |
||||
|
||||
if len(msg) != 87 { |
||||
test.Errorf("Init message is not constructed in the correct size: %d", len(msg)) |
||||
} |
||||
} |
||||
@ -0,0 +1,24 @@ |
||||
package drand |
||||
|
||||
import ( |
||||
"testing" |
||||
|
||||
"github.com/harmony-one/harmony/internal/utils" |
||||
"github.com/harmony-one/harmony/p2p" |
||||
"github.com/harmony-one/harmony/p2p/p2pimpl" |
||||
) |
||||
|
||||
func TestNew(test *testing.T) { |
||||
leader := p2p.Peer{IP: "127.0.0.1", Port: "9902"} |
||||
validator := p2p.Peer{IP: "127.0.0.1", Port: "9905"} |
||||
priKey, _, _ := utils.GenKeyP2P("127.0.0.1", "9902") |
||||
host, err := p2pimpl.NewHost(&leader, priKey) |
||||
if err != nil { |
||||
test.Fatalf("newhost failure: %v", err) |
||||
} |
||||
dRand := New(host, "0", []p2p.Peer{leader, validator}, leader) |
||||
|
||||
if !dRand.IsLeader { |
||||
test.Error("dRand should belong to a leader") |
||||
} |
||||
} |
||||
@ -0,0 +1,52 @@ |
||||
package drand |
||||
|
||||
import ( |
||||
protobuf "github.com/golang/protobuf/proto" |
||||
drand_proto "github.com/harmony-one/harmony/api/drand" |
||||
"github.com/harmony-one/harmony/internal/utils" |
||||
"github.com/harmony-one/harmony/p2p/host" |
||||
) |
||||
|
||||
// ProcessMessageValidator dispatches messages for the validator to corresponding processors.
|
||||
func (dRand *DRand) ProcessMessageValidator(payload []byte) { |
||||
message := drand_proto.Message{} |
||||
err := protobuf.Unmarshal(payload, &message) |
||||
|
||||
if err != nil { |
||||
utils.GetLogInstance().Error("Failed to unmarshal message payload.", "err", err, "dRand", dRand) |
||||
} |
||||
|
||||
switch message.Type { |
||||
case drand_proto.MessageType_COMMIT: |
||||
dRand.processInitMessage(message) |
||||
default: |
||||
utils.GetLogInstance().Error("Unexpected message type", "msgType", message.Type, "dRand", dRand) |
||||
} |
||||
} |
||||
|
||||
// ProcessMessageValidator dispatches validator's consensus message.
|
||||
func (dRand *DRand) processInitMessage(message drand_proto.Message) { |
||||
if message.Type != drand_proto.MessageType_INIT { |
||||
utils.GetLogInstance().Error("Wrong message type received", "expected", drand_proto.MessageType_INIT, "got", message.Type) |
||||
return |
||||
} |
||||
|
||||
blockHash := message.BlockHash |
||||
|
||||
// Verify message signature
|
||||
err := verifyMessageSig(dRand.leader.PubKey, message) |
||||
if err != nil { |
||||
utils.GetLogInstance().Warn("Failed to verify the message signature", "Error", err) |
||||
return |
||||
} |
||||
|
||||
// TODO: check the blockHash is the block hash of last block of last epoch.
|
||||
copy(dRand.blockHash[:], blockHash[:]) |
||||
|
||||
rand, proof := dRand.vrf(dRand.blockHash) |
||||
|
||||
msgToSend := dRand.constructCommitMessage(rand, proof) |
||||
|
||||
// Send the commit message back to leader
|
||||
host.SendMessage(dRand.host, dRand.leader, msgToSend, nil) |
||||
} |
||||
@ -0,0 +1,22 @@ |
||||
package drand |
||||
|
||||
import ( |
||||
drand_proto "github.com/harmony-one/harmony/api/drand" |
||||
"github.com/harmony-one/harmony/api/proto" |
||||
"github.com/harmony-one/harmony/internal/utils" |
||||
) |
||||
|
||||
// Constructs the init message
|
||||
func (drand *DRand) constructCommitMessage(vrf [32]byte, proof []byte) []byte { |
||||
message := drand_proto.Message{} |
||||
message.Type = drand_proto.MessageType_COMMIT |
||||
|
||||
message.BlockHash = drand.blockHash[:] |
||||
message.Payload = append(vrf[:], proof...) |
||||
|
||||
marshaledMessage, err := drand.signAndMarshalDRandMessage(&message) |
||||
if err != nil { |
||||
utils.GetLogInstance().Error("Failed to sign and marshal the commit message", "error", err) |
||||
} |
||||
return proto.ConstructDRandMessage(marshaledMessage) |
||||
} |
||||
@ -0,0 +1,26 @@ |
||||
package drand |
||||
|
||||
import ( |
||||
"testing" |
||||
|
||||
"github.com/harmony-one/harmony/internal/utils" |
||||
"github.com/harmony-one/harmony/p2p" |
||||
"github.com/harmony-one/harmony/p2p/p2pimpl" |
||||
) |
||||
|
||||
func TestConstructCommitMessage(test *testing.T) { |
||||
leader := p2p.Peer{IP: "127.0.0.1", Port: "19999"} |
||||
validator := p2p.Peer{IP: "127.0.0.1", Port: "55555"} |
||||
priKey, _, _ := utils.GenKeyP2P("127.0.0.1", "9902") |
||||
host, err := p2pimpl.NewHost(&leader, priKey) |
||||
if err != nil { |
||||
test.Fatalf("newhost failure: %v", err) |
||||
} |
||||
dRand := New(host, "0", []p2p.Peer{leader, validator}, leader) |
||||
dRand.blockHash = [32]byte{} |
||||
msg := dRand.constructCommitMessage([32]byte{}, []byte{}) |
||||
|
||||
if len(msg) != 121 { |
||||
test.Errorf("Commit message is not constructed in the correct size: %d", len(msg)) |
||||
} |
||||
} |
||||
@ -0,0 +1,57 @@ |
||||
package utils |
||||
|
||||
import ( |
||||
"github.com/ethereum/go-ethereum/log" |
||||
net "github.com/libp2p/go-libp2p-net" |
||||
ma "github.com/multiformats/go-multiaddr" |
||||
) |
||||
|
||||
type connLogger struct{} |
||||
|
||||
func (connLogger) Listen(net net.Network, ma ma.Multiaddr) { |
||||
log.Debug("[CONNECTIONS] Listener starting", "net", net, "addr", ma) |
||||
} |
||||
|
||||
func (connLogger) ListenClose(net net.Network, ma ma.Multiaddr) { |
||||
log.Debug("[CONNECTIONS] Listener closing", "net", net, "addr", ma) |
||||
} |
||||
|
||||
func (connLogger) Connected(net net.Network, conn net.Conn) { |
||||
log.Debug("[CONNECTIONS] Connected", "net", net, |
||||
"localPeer", conn.LocalPeer(), "localAddr", conn.LocalMultiaddr(), |
||||
"remotePeer", conn.RemotePeer(), "remoteAddr", conn.RemoteMultiaddr(), |
||||
) |
||||
} |
||||
|
||||
func (connLogger) Disconnected(net net.Network, conn net.Conn) { |
||||
log.Debug("[CONNECTIONS] Disconnected", "net", net, |
||||
"localPeer", conn.LocalPeer(), "localAddr", conn.LocalMultiaddr(), |
||||
"remotePeer", conn.RemotePeer(), "remoteAddr", conn.RemoteMultiaddr(), |
||||
) |
||||
} |
||||
|
||||
func (connLogger) OpenedStream(net net.Network, stream net.Stream) { |
||||
conn := stream.Conn() |
||||
log.Debug("[CONNECTIONS] Stream opened", "net", net, |
||||
"localPeer", conn.LocalPeer(), "localAddr", conn.LocalMultiaddr(), |
||||
"remotePeer", conn.RemotePeer(), "remoteAddr", conn.RemoteMultiaddr(), |
||||
"protocol", stream.Protocol(), |
||||
) |
||||
} |
||||
|
||||
func (connLogger) ClosedStream(net net.Network, stream net.Stream) { |
||||
conn := stream.Conn() |
||||
log.Debug("[CONNECTIONS] Stream closed", "net", net, |
||||
"localPeer", conn.LocalPeer(), "localAddr", conn.LocalMultiaddr(), |
||||
"remotePeer", conn.RemotePeer(), "remoteAddr", conn.RemoteMultiaddr(), |
||||
"protocol", stream.Protocol(), |
||||
) |
||||
} |
||||
|
||||
// ConnLogger is a LibP2P connection logger.
|
||||
// Add on a LibP2P host by calling:
|
||||
//
|
||||
// host.Network().Notify(utils.ConnLogger)
|
||||
//
|
||||
// It logs all listener/connection/stream open/close activities at debug level.
|
||||
var ConnLogger connLogger |
||||
Loading…
Reference in new issue