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
|
package main
import (
"crypto/rand"
"encoding/json"
"fmt"
"github.com/ava-labs/coreth"
"github.com/ava-labs/coreth/core"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/params"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"go/build"
"math/big"
"os"
"os/signal"
"path/filepath"
"strings"
"syscall"
"time"
)
func checkError(err error) {
if err != nil {
panic(err)
}
}
func main() {
// configure the chain
config := eth.DefaultConfig
config.ManualCanonical = true
chainConfig := ¶ms.ChainConfig{
ChainID: big.NewInt(1),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: big.NewInt(0),
DAOForkSupport: true,
EIP150Block: big.NewInt(0),
EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
Ethash: nil,
}
// configure the genesis block
genesisJSON := `{"config":{"chainId":1,"homesteadBlock":0,"daoForkBlock":0,"daoForkSupport":true,"eip150Block":0,"eip150Hash":"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0","eip155Block":0,"eip158Block":0,"byzantiumBlock":0,"constantinopleBlock":0,"petersburgBlock":0,"petersburgBlock":0,"istanbulBlock":0,"muirGlacierBlock":0},"nonce":"0x0","timestamp":"0x0","extraData":"0x00","gasLimit":"0x5f5e100","difficulty":"0x0","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","coinbase":"0x0000000000000000000000000000000000000000","alloc":{"751a0b96e1042bee789452ecb20253fba40dbe85":{"balance":"0x1000000000000000", "mcbalance": {"0x0000000000000000000000000000000000000000000000000000000000000000": 1000000000000000000}}, "0100000000000000000000000000000000000000": {"code": "0x73000000000000000000000000000000000000000030146080604052600436106100405760003560e01c80631e01043914610045578063b6510bb314610087575b600080fd5b6100716004803603602081101561005b57600080fd5b81019080803590602001909291905050506100f6565b6040518082815260200191505060405180910390f35b81801561009357600080fd5b506100f4600480360360808110156100aa57600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190803590602001909291908035906020019092919080359060200190929190505050610119565b005b60003073ffffffffffffffffffffffffffffffffffffffff168290cd9050919050565b8373ffffffffffffffffffffffffffffffffffffffff1681836108fc8690811502906040516000604051808303818888878c8acf95505050505050158015610165573d6000803e3d6000fd5b505050505056fea2646970667358221220a48887d5b3b88ac109b26238905abcf4c49feec720a4ae2ac47db1b0fd6a3f3564736f6c634300060a0033", "balance": "0x0", "mcbalance": {}}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`
//mcAbiJSON := `[{"inputs":[],"name":"enableMultiCoin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"coinid","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"coinid","type":"uint256"},{"internalType":"uint256","name":"amount2","type":"uint256"}],"name":"transfer","outputs":[],"stateMutability":"nonpayable","type":"function"}]`
mcAbiJSON := `[{"inputs":[{"internalType":"uint256","name":"coinid","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"coinid","type":"uint256"},{"internalType":"uint256","name":"amount2","type":"uint256"}],"name":"transfer","outputs":[],"stateMutability":"nonpayable","type":"function"}]`
genesisKey := "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1"
bobKey, _ := coreth.NewKey(rand.Reader)
genesisBlock := new(core.Genesis)
err := json.Unmarshal([]byte(genesisJSON), genesisBlock)
checkError(err)
hk, _ := crypto.HexToECDSA(genesisKey[2:])
genKey := coreth.NewKeyFromECDSA(hk)
config.Genesis = genesisBlock
config.TrieCleanCache += config.SnapshotCache
config.SnapshotCache = 0
// grab the control of block generation and disable auto uncle
config.Miner.ManualMining = true
config.Miner.ManualUncle = true
// compile the smart contract
gopath := os.Getenv("GOPATH")
if gopath == "" {
gopath = build.Default.GOPATH
}
counterSrc, err := filepath.Abs(gopath + "/src/github.com/ava-labs/coreth/examples/multicoin/mc_test.sol")
checkError(err)
contracts, err := compiler.CompileSolidity("", counterSrc)
checkError(err)
contract, _ := contracts[fmt.Sprintf("%s:%s", counterSrc, "MCTest")]
// info required to generate a transaction
chainID := chainConfig.ChainID
nonce := uint64(0)
gasLimit := 10000000
gasPrice := big.NewInt(1000000000)
blockCount := 0
chain := coreth.NewETHChain(&config, nil, nil, nil)
newTxPoolHeadChan := make(chan core.NewTxPoolHeadEvent, 1)
log.Info(chain.GetGenesisBlock().Hash().Hex())
mcAbi, err := abi.JSON(strings.NewReader(mcAbiJSON))
checkError(err)
//enableCode, err := mcAbi.Pack("enableMultiCoin")
checkError(err)
abiStr, err := json.Marshal(contract.Info.AbiDefinition)
contractAbi, err := abi.JSON(strings.NewReader(string(abiStr)))
checkError(err)
var contractAddr common.Address
postGen := func(block *types.Block) bool {
if blockCount == 15 {
coin0 := common.HexToHash("0x0")
state, err := chain.CurrentState()
checkError(err)
log.Info(fmt.Sprintf("genesis balance = %s", state.GetBalance(genKey.Address)))
log.Info(fmt.Sprintf("genesis mcbalance(0) = %s", state.GetBalanceMultiCoin(genKey.Address, coin0)))
log.Info(fmt.Sprintf("bob's balance = %s", state.GetBalance(bobKey.Address)))
log.Info(fmt.Sprintf("bob's mcbalance(0) = %s", state.GetBalanceMultiCoin(bobKey.Address, coin0)))
log.Info(fmt.Sprintf("contract mcbalance(0) = %s", state.GetBalanceMultiCoin(contractAddr, coin0)))
log.Info(fmt.Sprintf("state = %s", state.Dump(true, false, true)))
return true
}
if blockCount == 1 {
receipts := chain.GetReceiptsByHash(block.Hash())
if len(receipts) != 1 {
panic(fmt.Sprintf("# receipts is %d != 1", len(receipts)))
}
contractAddr = receipts[0].ContractAddress
log.Info(fmt.Sprintf("contract addr = %s", contractAddr.String()))
go func() {
// give Bob some initial balance
tx := types.NewTransaction(nonce, bobKey.Address, big.NewInt(300000000000000000), uint64(gasLimit), gasPrice, nil)
signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey)
checkError(err)
chain.AddRemoteTxs([]*types.Transaction{signedTx})
nonce++
time.Sleep(20 * time.Millisecond)
//// enable MC for Bob
//tx = types.NewTransaction(0, vm.BuiltinAddr, big.NewInt(0), uint64(gasLimit), gasPrice, enableCode)
//signedTx, err = types.SignTx(tx, types.NewEIP155Signer(chainID), bobKey.PrivateKey)
//checkError(err)
//chain.AddRemoteTxs([]*types.Transaction{signedTx})
time.Sleep(20 * time.Millisecond)
bobTransferInput, err := mcAbi.Pack("transfer", bobKey.Address, big.NewInt(0), big.NewInt(0), big.NewInt(100000000000000000))
checkError(err)
contractTransferInput, err := mcAbi.Pack("transfer", contractAddr, big.NewInt(0), big.NewInt(0), big.NewInt(100000000000000000))
checkError(err)
for i := 0; i < 5; i++ {
// transfer some coin0 balance to Bob
tx := types.NewTransaction(nonce, vm.BuiltinAddr, big.NewInt(0), uint64(gasLimit), gasPrice, bobTransferInput)
signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey)
checkError(err)
chain.AddRemoteTxs([]*types.Transaction{signedTx})
nonce++
// transfer some coin0 balance to the contract
tx = types.NewTransaction(nonce, vm.BuiltinAddr, big.NewInt(0), uint64(gasLimit), gasPrice, contractTransferInput)
signedTx, err = types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey)
checkError(err)
chain.AddRemoteTxs([]*types.Transaction{signedTx})
nonce++
}
// test contract methods
input, err := contractAbi.Pack("withdraw", big.NewInt(0), big.NewInt(0), big.NewInt(10000000000000000))
tx = types.NewTransaction(nonce, contractAddr, big.NewInt(0), uint64(gasLimit), gasPrice, input)
signedTx, err = types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey)
checkError(err)
chain.AddRemoteTxs([]*types.Transaction{signedTx})
nonce++
input, err = contractAbi.Pack("updateBalance", big.NewInt(0))
tx = types.NewTransaction(nonce, contractAddr, big.NewInt(0), uint64(gasLimit), gasPrice, input)
signedTx, err = types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey)
checkError(err)
chain.AddRemoteTxs([]*types.Transaction{signedTx})
nonce++
}()
}
return false
}
chain.SetOnHeaderNew(func(header *types.Header) {
hid := make([]byte, 32)
_, err := rand.Read(hid)
if err != nil {
panic("cannot generate hid")
}
header.Extra = append(header.Extra, hid...)
})
chain.SetOnSealFinish(func(block *types.Block) error {
blockCount++
if postGen(block) {
return nil
}
go func() {
<-newTxPoolHeadChan
time.Sleep(10 * time.Millisecond)
chain.GenBlock()
}()
return nil
})
// start the chain
chain.GetTxPool().SubscribeNewHeadEvent(newTxPoolHeadChan)
chain.Start()
code := common.Hex2Bytes(contract.Code[2:])
tx := types.NewContractCreation(nonce, big.NewInt(0), uint64(gasLimit), gasPrice, code)
signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey)
checkError(err)
chain.AddRemoteTxs([]*types.Transaction{signedTx})
nonce++
chain.GenBlock()
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
signal.Notify(c, os.Interrupt, syscall.SIGINT)
<-c
chain.Stop()
}
|