-
Notifications
You must be signed in to change notification settings - Fork 1
/
handler_funcs.go
245 lines (202 loc) · 6.2 KB
/
handler_funcs.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
/**
@author: decision
@date: 2023/3/15
@note: 一系列的消息处理函数 handlers
**/
package node
import (
"encoding/binary"
"encoding/hex"
"github.com/chain-lab/go-norn/common"
"github.com/chain-lab/go-norn/crypto"
"github.com/chain-lab/go-norn/metrics"
"github.com/chain-lab/go-norn/p2p"
"github.com/chain-lab/go-norn/utils"
log "github.com/sirupsen/logrus"
"math/big"
)
func handleStatusMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
payload := msg.Payload
height := int64(binary.LittleEndian.Uint64(payload))
log.Debugf("Remote height = %d.", height)
//if height > pm.chain.Height() {
// log.WithField("height", pm.chain.Height()+1).Debugln("Request block.")
// requestBlockWithHeight(pm.chain.Height()+1, p)
//}
}
// handleNewBlockMsg 接收对端节点的新区块
func handleNewBlockMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
status := pm.blockSyncer.getStatus()
if status == blockSyncing || status == syncPaused {
return
}
payload := msg.Payload
block, err := utils.DeserializeBlock(payload)
if err != nil {
log.WithField("error", err).Debugln("Deserialize block from bytes failed.")
return
}
blockHash := block.Header.BlockHash
strHash := hex.EncodeToString(blockHash[:])
if pm.knownBlock.Contains(strHash) {
return
}
pm.markBlock(strHash)
p.MarkBlock(strHash)
if block.Header.Height == 0 {
metrics.RoutineCreateCounterObserve(18)
go pm.chain.InsertBlock(block)
return
}
if verifyBlockVRF(block) {
log.WithField("status", status).Debugln("Receive block from p2p.")
pm.chain.AppendBlockTask(block)
pm.blockBroadcastQueue <- block
} else {
//log.Infoln(hex.EncodeToString(block.Header.PublicKey[:]))
log.Warning("Block VRF verify failed.")
}
}
//func handleNewBlockHashMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
// status := pm.blockSyncer.getStatus()
// if status == blockSyncing || status == syncPaused {
// return
// }
//
// payload := msg.Payload
// blockHash := [32]byte(payload)
//
// if pm.knownBlock.Contains(blockHash) {
// return
// }
//
// metrics.RoutineCreateCounterObserve(19)
// go requestBlockWithHash(blockHash, p)
//}
func handleBlockMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
status := pm.blockSyncer.getStatus()
log.WithField("status", status).Traceln("Receive block.")
if status != synced {
return
}
payload := msg.Payload
block, err := utils.DeserializeBlock(payload)
if err != nil {
log.WithField("error", err).Debugln("Deserialize block from bytes failed.")
return
}
blockHash := block.Header.BlockHash
strHash := hex.EncodeToString(blockHash[:])
pm.markBlock(strHash)
p.MarkBlock(strHash)
//log.WithField("height", block.Header.Height).Infoln("Receive block.")
if block.Header.Height == 0 {
metrics.RoutineCreateCounterObserve(20)
go pm.chain.InsertBlock(block)
return
}
if verifyBlockVRF(block) {
pm.chain.AppendBlockTask(block)
}
}
//func handleGetBlockBodiesMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
// status := pm.blockSyncer.getStatus()
// if status != synced || status != bufferSyncing {
// return
// }
//
// blockHash := common.Hash(msg.Payload)
//
// block := pm.chain.GetBlockFromBuffer(blockHash)
// if block == nil {
// log.Debugln("Get block by hash failed")
// return
// }
//
// metrics.RoutineCreateCounterObserve(30)
// respondGetBlockBodies(block, p)
//}
func handleSyncStatusReq(pm *P2PManager, msg *p2p.Message, p *Peer) {
message := pm.StatusMessage()
metrics.RoutineCreateCounterObserve(23)
respondGetSyncStatus(message, p)
}
func handleSyncStatusMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
payload := msg.Payload
statusMessage, _ := utils.DeserializeStatusMsg(payload)
pm.blockSyncer.appendStatusMsg(statusMessage)
}
// handleSyncGetBlocksMsg 处理获取某个高度的区块
func handleSyncGetBlocksMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
status := pm.blockSyncer.getStatus()
if status != synced {
return
}
// 从消息中直接转换得到需要的区块高度
payload := msg.Payload
height := int64(binary.LittleEndian.Uint64(payload))
// 从链上获取到区块
block, err := pm.chain.GetBlockByHeight(height)
if err != nil {
log.WithField("error", err).Debugln("Get block with height failed.")
return
}
metrics.RoutineCreateCounterObserve(24)
respondSyncGetBlock(block, p)
}
func handleSyncBlockMsg(pm *P2PManager, msg *p2p.Message, p *Peer) {
payload := msg.Payload
block, err := utils.DeserializeBlock(payload)
if err != nil {
log.WithField("error", err).Debugln("Block deserialize failed.")
return
}
pm.appendBlockToSyncer(block)
p.SetMarkSynced(false)
}
func handleTimeSyncReq(pm *P2PManager, msg *p2p.Message, p *Peer) {
payload := msg.Payload
tMsg, err := utils.DeserializeTimeSyncMsg(payload)
tMsg.RecReqTime = pm.timeSyncer.GetLogicClock()
if err != nil {
log.WithError(err).Debugln("Time sync message deserialize failed.")
return
}
pm.timeSyncer.ProcessSyncRequest(tMsg, p)
}
func handleTimeSyncRsp(pm *P2PManager, msg *p2p.Message, p *Peer) {
payload := msg.Payload
tMsg, err := utils.DeserializeTimeSyncMsg(payload)
tMsg.RecRspTime = pm.timeSyncer.GetLogicClock()
if err != nil {
log.WithError(err).Warning("Time sync message deserialize failed.")
return
}
pm.timeSyncer.ProcessSyncRespond(tMsg, p)
}
func verifyBlockVRF(block *common.Block) bool {
//println(hex.EncodeToString(block.Header.PublicKey[:]))
bytesParams := block.Header.Params
params, err := utils.DeserializeGeneralParams(bytesParams)
// todo: 如果这里的数据不全,导致反序列化出错可能会使得这个区块无法正常添加
if err != nil {
log.WithField("error", err).Warning("Deserialize params failed.")
return false
}
s := new(big.Int)
t := new(big.Int)
publicKey := crypto.Bytes2PublicKey(block.Header.PublicKey[:])
s.SetBytes(params.S)
t.SetBytes(params.T)
verified, err := crypto.VRFCheckRemoteConsensus(publicKey, params.Result, s, t, params.RandomNumber[:])
if err != nil || !verified {
log.Debugln("Verify VRF failed.")
//log.Infoln(hex.EncodeToString(s.Bytes()))
//log.Infoln(hex.EncodeToString(t.Bytes()))
//log.Infoln(hex.EncodeToString(params.Result))
//log.Infoln(hex.EncodeToString(params.RandomNumber[:]))
//log.Infoln(hex.EncodeToString(block.Header.PublicKey[:]))
return false
}
return true
}