package main import ( "crypto/rand" "encoding/hex" "encoding/json" "fmt" "github.com/ava-labs/coreth" "github.com/ava-labs/coreth/eth" "github.com/ava-labs/go-ethereum/common" "github.com/ava-labs/go-ethereum/common/compiler" //"github.com/ava-labs/go-ethereum/common/hexutil" "github.com/ava-labs/go-ethereum/core" "github.com/ava-labs/go-ethereum/core/types" "github.com/ava-labs/go-ethereum/crypto" "github.com/ava-labs/go-ethereum/log" "github.com/ava-labs/go-ethereum/params" "go/build" "math/big" "os" "os/signal" "path/filepath" "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: nil, Ethash: nil, } // configure the genesis block //genBalance := big.NewInt(100000000000000000) genKey, _ := coreth.NewKey(rand.Reader) g := new(core.Genesis) b := `{"config":{"chainId":1,"homesteadBlock":0,"daoForkBlock":0,"daoForkSupport":true,"eip150Block":0,"eip150Hash":"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0","eip155Block":0,"eip158Block":0,"byzantiumBlock":0,"constantinopleBlock":0,"petersburgBlock":0},"nonce":"0x0","timestamp":"0x0","extraData":"0x00","gasLimit":"0x5f5e100","difficulty":"0x0","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","coinbase":"0x0000000000000000000000000000000000000000","alloc":{"751a0b96e1042bee789452ecb20253fba40dbe85":{"balance":"0x16345785d8a0000"}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}` k := "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1" err := json.Unmarshal([]byte(b), g) config.Genesis = g hk, _ := crypto.HexToECDSA(k[2:]) genKey = coreth.NewKeyFromECDSA(hk) //config.Genesis = &core.Genesis{ // Config: chainConfig, // Nonce: 0, // Number: 0, // ExtraData: hexutil.MustDecode("0x00"), // GasLimit: 100000000, // Difficulty: big.NewInt(0), // Alloc: core.GenesisAlloc{genKey.Address: {Balance: genBalance}}, //} // 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/counter/counter.sol") checkError(err) contracts, err := compiler.CompileSolidity("", counterSrc) checkError(err) contract, _ := contracts[fmt.Sprintf("%s:%s", counterSrc, "Counter")] // 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) log.Info(chain.GetGenesisBlock().Hash().Hex()) firstBlock := false var contractAddr common.Address postGen := func(block *types.Block) bool { if blockCount == 15 { state, err := chain.CurrentState() checkError(err) log.Info(fmt.Sprintf("genesis balance = %s", state.GetBalance(genKey.Address))) log.Info(fmt.Sprintf("contract balance = %s", state.GetBalance(contractAddr))) log.Info(fmt.Sprintf("state = %s", state.Dump(true, false, true))) log.Info(fmt.Sprintf("x = %s", state.GetState(contractAddr, common.BigToHash(big.NewInt(0))).String())) return true } if !firstBlock { firstBlock = true receipts := chain.GetReceiptsByHash(block.Hash()) if len(receipts) != 1 { panic("# receipts is not 1") } contractAddr = receipts[0].ContractAddress txHash := receipts[0].TxHash log.Info(fmt.Sprintf("deploy tx = %s", txHash.String())) log.Info(fmt.Sprintf("contract addr = %s", contractAddr.String())) call := common.Hex2Bytes("1003e2d20000000000000000000000000000000000000000000000000000000000000001") state, _ := chain.CurrentState() log.Info(fmt.Sprintf("code = %s", hex.EncodeToString(state.GetCode(contractAddr)))) go func() { for i := 0; i < 10; i++ { tx := types.NewTransaction(nonce, contractAddr, big.NewInt(0), uint64(gasLimit), gasPrice, call) 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 { go func() { // generate 15 blocks blockCount++ if postGen(block) { return } chain.GenBlock() }() return nil }) // start the chain chain.Start() _ = contract 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}) time.Sleep(1000 * time.Millisecond) 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() }