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
246
247
|
package coreth
import (
"crypto/ecdsa"
//"fmt"
"io"
"os"
"github.com/ava-labs/coreth/consensus/dummy"
"github.com/ava-labs/coreth/core"
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/miner"
"github.com/ava-labs/coreth/node"
"github.com/ava-labs/coreth/rpc"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/trie"
//"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/mattn/go-isatty"
)
var (
BlackholeAddr = common.Address{
1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}
)
type Tx = types.Transaction
type Block = types.Block
type Hash = common.Hash
type ETHChain struct {
backend *eth.Ethereum
cb *dummy.ConsensusCallbacks
mcb *miner.MinerCallbacks
bcb *eth.BackendCallbacks
}
func isLocalBlock(block *types.Block) bool {
return false
}
// NewETHChain creates an Ethereum blockchain with the given configs.
func NewETHChain(config *eth.Config, nodecfg *node.Config, etherBase *common.Address, chainDB ethdb.Database) *ETHChain {
if config == nil {
config = ð.DefaultConfig
}
if nodecfg == nil {
nodecfg = &node.Config{}
}
//mux := new(event.TypeMux)
node, err := node.New(nodecfg)
if err != nil {
panic(err)
}
//if ep != "" {
// log.Info(fmt.Sprintf("temporary keystore = %s", ep))
//}
cb := new(dummy.ConsensusCallbacks)
mcb := new(miner.MinerCallbacks)
bcb := new(eth.BackendCallbacks)
backend, _ := eth.New(node, config, cb, mcb, bcb, chainDB)
chain := ÐChain{backend: backend, cb: cb, mcb: mcb, bcb: bcb}
if etherBase == nil {
etherBase = &BlackholeAddr
}
backend.SetEtherbase(*etherBase)
return chain
}
func (self *ETHChain) Start() {
self.backend.StartMining(0)
}
func (self *ETHChain) Stop() {
self.backend.StopPart()
}
func (self *ETHChain) GenBlock() {
self.backend.Miner().GenBlock()
}
func (self *ETHChain) SubscribeNewMinedBlockEvent() *event.TypeMuxSubscription {
return self.backend.Miner().GetWorkerMux().Subscribe(core.NewMinedBlockEvent{})
}
func (self *ETHChain) BlockChain() *core.BlockChain {
return self.backend.BlockChain()
}
func (self *ETHChain) VerifyBlock(block *types.Block) bool {
txnHash := types.DeriveSha(block.Transactions(), new(trie.Trie))
uncleHash := types.CalcUncleHash(block.Uncles())
ethHeader := block.Header()
if txnHash != ethHeader.TxHash || uncleHash != ethHeader.UncleHash {
return false
}
return true
}
func (self *ETHChain) PendingSize() (int, error) {
pending, err := self.backend.TxPool().Pending()
count := 0
for _, txs := range pending {
count += len(txs)
}
return count, err
}
func (self *ETHChain) AddRemoteTxs(txs []*types.Transaction) []error {
return self.backend.TxPool().AddRemotes(txs)
}
func (self *ETHChain) AddLocalTxs(txs []*types.Transaction) []error {
return self.backend.TxPool().AddLocals(txs)
}
func (self *ETHChain) SetOnSeal(cb func(*types.Block) error) {
self.cb.OnSeal = cb
}
func (self *ETHChain) SetOnSealHash(cb func(*types.Header)) {
self.cb.OnSealHash = cb
}
func (self *ETHChain) SetOnSealFinish(cb func(*types.Block) error) {
self.mcb.OnSealFinish = cb
}
func (self *ETHChain) SetOnHeaderNew(cb func(*types.Header)) {
self.mcb.OnHeaderNew = cb
}
func (self *ETHChain) SetOnSealDrop(cb func(*types.Block)) {
self.mcb.OnSealDrop = cb
}
func (self *ETHChain) SetOnAPIs(cb dummy.OnAPIsCallbackType) {
self.cb.OnAPIs = cb
}
func (self *ETHChain) SetOnFinalize(cb dummy.OnFinalizeCallbackType) {
self.cb.OnFinalize = cb
}
func (self *ETHChain) SetOnFinalizeAndAssemble(cb dummy.OnFinalizeAndAssembleCallbackType) {
self.cb.OnFinalizeAndAssemble = cb
}
func (self *ETHChain) SetOnExtraStateChange(cb dummy.OnExtraStateChangeType) {
self.cb.OnExtraStateChange = cb
}
func (self *ETHChain) SetOnQueryAcceptedBlock(cb func() *types.Block) {
self.bcb.OnQueryAcceptedBlock = cb
}
// Returns a new mutable state based on the current HEAD block.
func (self *ETHChain) CurrentState() (*state.StateDB, error) {
return self.backend.BlockChain().State()
}
// Returns a new mutable state based on the given block.
func (self *ETHChain) BlockState(block *types.Block) (*state.StateDB, error) {
return self.backend.BlockChain().StateAt(block.Root())
}
// Retrives a block from the database by hash.
func (self *ETHChain) GetBlockByHash(hash common.Hash) *types.Block {
return self.backend.BlockChain().GetBlockByHash(hash)
}
// SetTail sets the current head block to the one defined by the hash
// irrelevant what the chain contents were prior.
func (self *ETHChain) SetTail(hash common.Hash) error {
return self.backend.BlockChain().ManualHead(hash)
}
func (self *ETHChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
return self.backend.BlockChain().GetReceiptsByHash(hash)
}
func (self *ETHChain) GetGenesisBlock() *types.Block {
return self.backend.BlockChain().Genesis()
}
func (self *ETHChain) InsertChain(chain []*types.Block) (int, error) {
return self.backend.BlockChain().InsertChain(chain)
}
func (self *ETHChain) NewRPCHandler() *rpc.Server {
return rpc.NewServer()
}
func (self *ETHChain) AttachEthService(handler *rpc.Server, namespaces []string) {
nsmap := make(map[string]bool)
for _, ns := range namespaces {
nsmap[ns] = true
}
for _, api := range self.backend.APIs() {
if nsmap[api.Namespace] {
handler.RegisterName(api.Namespace, api.Service)
}
}
}
// TODO: use SubscribeNewTxsEvent()
func (self *ETHChain) GetTxSubmitCh() <-chan struct{} {
return self.backend.GetTxSubmitCh()
}
func (self *ETHChain) GetTxPool() *core.TxPool {
return self.backend.TxPool()
}
type Key struct {
Address common.Address
PrivateKey *ecdsa.PrivateKey
}
func NewKeyFromECDSA(privateKeyECDSA *ecdsa.PrivateKey) *Key {
key := &Key{
Address: crypto.PubkeyToAddress(privateKeyECDSA.PublicKey),
PrivateKey: privateKeyECDSA,
}
return key
}
func NewKey(rand io.Reader) (*Key, error) {
privateKeyECDSA, err := ecdsa.GenerateKey(crypto.S256(), rand)
if err != nil {
return nil, err
}
return NewKeyFromECDSA(privateKeyECDSA), nil
}
func init() {
usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
glogger := log.StreamHandler(io.Writer(os.Stderr), log.TerminalFormat(usecolor))
log.Root().SetHandler(glogger)
}
|