-
Notifications
You must be signed in to change notification settings - Fork 0
/
handler.go
executable file
·122 lines (97 loc) · 3.47 KB
/
handler.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
// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package neatcon
import (
"errors"
"github.com/neatlab/neatio/chain/consensus"
ntcTypes "github.com/neatlab/neatio/chain/consensus/neatcon/types"
"github.com/neatlab/neatio/chain/core/types"
"github.com/neatlab/neatio/chain/log"
"github.com/neatlab/neatio/params"
)
var (
// errDecodeFailed is returned when decode message fails
errDecodeFailed = errors.New("fail to decode neatcon message")
)
// Protocol implements consensus.Engine.Protocol
func (sb *backend) Protocol() consensus.Protocol {
sb.logger.Info("NeatCon backend started")
var protocolName string
if sb.chainConfig.NeatChainId == params.MainnetChainConfig.NeatChainId || sb.chainConfig.NeatChainId == params.TestnetChainConfig.NeatChainId {
protocolName = "neatio" //we also use "neatio" if the net is "testnet"
} else {
protocolName = "neatchain_" + sb.chainConfig.NeatChainId
}
return consensus.Protocol{
Name: protocolName,
Versions: []uint{64},
Lengths: []uint64{64},
}
}
// HandleMsg implements consensus.Handler.HandleMsg
func (sb *backend) HandleMsg(chID uint64, src consensus.Peer, msgBytes []byte) (bool, error) {
sb.coreMu.Lock()
defer sb.coreMu.Unlock()
sb.core.consensusReactor.Receive(chID, src, msgBytes)
return false, nil
}
// SetBroadcaster implements consensus.Handler.SetBroadcaster
func (sb *backend) SetBroadcaster(broadcaster consensus.Broadcaster) {
//sb.logger.Infof("NeatCon SetBroadcaster: %p", broadcaster)
sb.broadcaster = broadcaster
}
func (sb *backend) GetBroadcaster() consensus.Broadcaster {
//sb.logger.Infof("NeatCon GetBroadcaster: %p", sb.broadcaster)
return sb.broadcaster
}
func (sb *backend) NewChainHead(block *types.Block) error {
sb.coreMu.RLock()
defer sb.coreMu.RUnlock()
if !sb.coreStarted {
return ErrStoppedEngine
}
go ntcTypes.FireEventFinalCommitted(sb.core.EventSwitch(), ntcTypes.EventDataFinalCommitted{block.NumberU64()})
return nil
}
func (sb *backend) GetLogger() log.Logger {
return sb.logger
}
func (sb *backend) AddPeer(src consensus.Peer) {
sb.core.consensusReactor.AddPeer(src)
sb.logger.Debug("Peer successful added into Consensus Reactor")
/*
if !sb.shouldStart {
sb.logger.Debug("Consensus Engine (NeatCon) does not plan to start")
return
}
for i := 0; i < 10; i++ {
sb.coreMu.RLock()
started := sb.coreStarted
sb.coreMu.RUnlock()
if started {
sb.core.consensusReactor.AddPeer(src)
sb.logger.Debug("Peer successful added into Consensus Reactor")
return
} else {
time.Sleep(1 * time.Second)
}
}
sb.logger.Error("Wait for 10 sec, Consensus Engine (NeatCon) still not start, unable to add the peer to Engine")
*/
}
func (sb *backend) RemovePeer(src consensus.Peer) {
sb.core.consensusReactor.RemovePeer(src, nil)
}