aboutsummaryrefslogtreecommitdiff
path: root/examples/multicoin/main.go
blob: 35158a88a102abd5aaa7e76ca54ac057b01ccb9f (plain) (blame)
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
package main

import (
	"crypto/rand"
	"encoding/json"
	"flag"
	"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/common/hexutil"
	"github.com/ethereum/go-ethereum/crypto"
	"github.com/ethereum/go-ethereum/log"
	"github.com/ethereum/go-ethereum/rlp"
	"go/build"
	"math/big"
	"os"
	"os/signal"
	"path/filepath"
	"strings"
	"syscall"
	"time"
)

func checkError(err error) {
	if err != nil {
		panic(err)
	}
}

func main() {
	var fChainID int64
	var fNonce uint64
	var fKey string
	flag.Int64Var(&fChainID, "chainid", 43112, "tx.chainId")
	flag.Uint64Var(&fNonce, "nonce", 0, "tx.nonce")
	flag.StringVar(&fKey, "key", "0x56289e99c94b6912bfc12adc093c9b51124f0dc54ac7a766b2bc5ccf558d8027", "private key (hex with \"0x\")")
	nonce2 := fNonce
	chainID2 := big.NewInt(fChainID)
	_pkey, err := crypto.HexToECDSA(fKey[2:])
	checkError(err)
	pkey := coreth.NewKeyFromECDSA(_pkey)
	flag.Parse()

	// configure the chain
	config := eth.DefaultConfig
	config.ManualCanonical = true
	chainConfig := &params.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": "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", "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)

	tx2 := types.NewContractCreation(nonce2, big.NewInt(0), uint64(300000), big.NewInt(470000000000), code)
	signedTx2, err := types.SignTx(tx2, types.NewEIP155Signer(chainID2), pkey.PrivateKey)
	signedTxBytes2, err := rlp.EncodeToBytes(signedTx2)
	fmt.Printf("contract deployment hex: %s\n", hexutil.Encode(signedTxBytes2))

	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()
}