path: root/examples/multicoin/main.go

package main

import (
	"crypto/rand"
	"encoding/json"
	"fmt"
	"github.com/ava-labs/coreth"
	"github.com/ava-labs/coreth/accounts/abi"
	"github.com/ava-labs/coreth/core"
	"github.com/ava-labs/coreth/core/types"
	"github.com/ava-labs/coreth/eth"
	"github.com/ava-labs/coreth/params"
	"github.com/ava-labs/go-ethereum/common"
	"github.com/ava-labs/go-ethereum/common/compiler"
	"github.com/ava-labs/go-ethereum/crypto"
	"github.com/ava-labs/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 := &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:       nil,
		Ethash:              nil,
	}

	// configure the genesis block
	genKey, _ := coreth.NewKey(rand.Reader)
	bob, _ := 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":"0x1000000000000000", "mcbalance": {"0x0000000000000000000000000000000000000000000000000000000000000000": 1000000000000000000}}, "0100000000000000000000000000000000000000": {"code": "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", "balance": "0x0", "mcbalance": {}}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`
	k := "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1"
	err := json.Unmarshal([]byte(b), g)
	checkError(err)
	config.Genesis = g
	hk, _ := crypto.HexToECDSA(k[2:])
	genKey = coreth.NewKeyFromECDSA(hk)

	// 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())
	var contractAddr common.Address
	coin0 := common.HexToHash("0x0")
	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("genesis balance2 = %s", state.GetBalanceMultiCoin(genKey.Address, coin0)))
			log.Info(fmt.Sprintf("contract balance2 = %s", state.GetBalanceMultiCoin(contractAddr, coin0)))
			log.Info(fmt.Sprintf("bob's balance = %s", state.GetBalance(bob.Address)))
			log.Info(fmt.Sprintf("bob's balance2 = %s", state.GetBalanceMultiCoin(bob.Address, 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()))