-
Notifications
You must be signed in to change notification settings - Fork 659
/
block_vm.go
149 lines (129 loc) · 3.87 KB
/
block_vm.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
// Copyright (C) 2019-2022, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package tracedvm
import (
"context"
"fmt"
"go.opentelemetry.io/otel/attribute"
oteltrace "go.opentelemetry.io/otel/trace"
"github.com/ava-labs/avalanchego/database/manager"
"github.com/ava-labs/avalanchego/ids"
"github.com/ava-labs/avalanchego/snow"
"github.com/ava-labs/avalanchego/snow/consensus/snowman"
"github.com/ava-labs/avalanchego/snow/engine/common"
"github.com/ava-labs/avalanchego/snow/engine/snowman/block"
"github.com/ava-labs/avalanchego/trace"
)
var (
_ block.ChainVM = (*blockVM)(nil)
_ block.BatchedChainVM = (*blockVM)(nil)
_ block.HeightIndexedChainVM = (*blockVM)(nil)
_ block.StateSyncableVM = (*blockVM)(nil)
)
type blockVM struct {
block.ChainVM
bVM block.BatchedChainVM
hVM block.HeightIndexedChainVM
ssVM block.StateSyncableVM
initializeTag string
buildBlockTag string
parseBlockTag string
getBlockTag string
setPreferenceTag string
lastAcceptedTag string
verifyTag string
acceptTag string
rejectTag string
optionsTag string
tracer trace.Tracer
}
func NewBlockVM(vm block.ChainVM, name string, tracer trace.Tracer) block.ChainVM {
bVM, _ := vm.(block.BatchedChainVM)
hVM, _ := vm.(block.HeightIndexedChainVM)
ssVM, _ := vm.(block.StateSyncableVM)
return &blockVM{
ChainVM: vm,
bVM: bVM,
hVM: hVM,
ssVM: ssVM,
initializeTag: fmt.Sprintf("%s.initialize", name),
buildBlockTag: fmt.Sprintf("%s.buildBlock", name),
parseBlockTag: fmt.Sprintf("%s.parseBlock", name),
getBlockTag: fmt.Sprintf("%s.getBlock", name),
setPreferenceTag: fmt.Sprintf("%s.setPreference", name),
lastAcceptedTag: fmt.Sprintf("%s.lastAccepted", name),
verifyTag: fmt.Sprintf("%s.verify", name),
acceptTag: fmt.Sprintf("%s.accept", name),
rejectTag: fmt.Sprintf("%s.reject", name),
optionsTag: fmt.Sprintf("%s.options", name),
tracer: tracer,
}
}
func (vm *blockVM) Initialize(
ctx context.Context,
chainCtx *snow.Context,
db manager.Manager,
genesisBytes,
upgradeBytes,
configBytes []byte,
toEngine chan<- common.Message,
fxs []*common.Fx,
appSender common.AppSender,
) error {
ctx, span := vm.tracer.Start(ctx, vm.initializeTag)
defer span.End()
return vm.ChainVM.Initialize(
ctx,
chainCtx,
db,
genesisBytes,
upgradeBytes,
configBytes,
toEngine,
fxs,
appSender,
)
}
func (vm *blockVM) BuildBlock(ctx context.Context) (snowman.Block, error) {
ctx, span := vm.tracer.Start(ctx, vm.buildBlockTag)
defer span.End()
blk, err := vm.ChainVM.BuildBlock(ctx)
return &tracedBlock{
Block: blk,
vm: vm,
}, err
}
func (vm *blockVM) ParseBlock(ctx context.Context, block []byte) (snowman.Block, error) {
ctx, span := vm.tracer.Start(ctx, vm.parseBlockTag, oteltrace.WithAttributes(
attribute.Int("blockLen", len(block)),
))
defer span.End()
blk, err := vm.ChainVM.ParseBlock(ctx, block)
return &tracedBlock{
Block: blk,
vm: vm,
}, err
}
func (vm *blockVM) GetBlock(ctx context.Context, blkID ids.ID) (snowman.Block, error) {
ctx, span := vm.tracer.Start(ctx, vm.getBlockTag, oteltrace.WithAttributes(
attribute.Stringer("blkID", blkID),
))
defer span.End()
blk, err := vm.ChainVM.GetBlock(ctx, blkID)
return &tracedBlock{
Block: blk,
vm: vm,
}, err
}
func (vm *blockVM) SetPreference(ctx context.Context, blkID ids.ID) error {
ctx, span := vm.tracer.Start(ctx, vm.setPreferenceTag, oteltrace.WithAttributes(
attribute.Stringer("blkID", blkID),
))
defer span.End()
return vm.ChainVM.SetPreference(ctx, blkID)
}
func (vm *blockVM) LastAccepted(ctx context.Context) (ids.ID, error) {
ctx, span := vm.tracer.Start(ctx, vm.lastAcceptedTag)
defer span.End()
return vm.ChainVM.LastAccepted(ctx)
}