290 lines
8.4 KiB
Go
290 lines
8.4 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package t8ntool
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/big"
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"os"
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"path"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/tests"
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"gopkg.in/urfave/cli.v1"
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)
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const (
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ErrorEVM = 2
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ErrorVMConfig = 3
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ErrorMissingBlockhash = 4
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ErrorJson = 10
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ErrorIO = 11
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stdinSelector = "stdin"
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)
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type NumberedError struct {
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errorCode int
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err error
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}
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func NewError(errorCode int, err error) *NumberedError {
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return &NumberedError{errorCode, err}
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}
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func (n *NumberedError) Error() string {
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return fmt.Sprintf("ERROR(%d): %v", n.errorCode, n.err.Error())
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}
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func (n *NumberedError) Code() int {
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return n.errorCode
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}
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type input struct {
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Alloc core.GenesisAlloc `json:"alloc,omitempty"`
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Env *stEnv `json:"env,omitempty"`
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Txs types.Transactions `json:"txs,omitempty"`
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}
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func Main(ctx *cli.Context) error {
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// Configure the go-ethereum logger
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glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
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glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
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log.Root().SetHandler(glogger)
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var (
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err error
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tracer vm.Tracer
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baseDir = ""
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)
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var getTracer func(txIndex int, txHash common.Hash) (vm.Tracer, error)
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// If user specified a basedir, make sure it exists
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if ctx.IsSet(OutputBasedir.Name) {
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if base := ctx.String(OutputBasedir.Name); len(base) > 0 {
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err := os.MkdirAll(base, 0755) // //rw-r--r--
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if err != nil {
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return NewError(ErrorIO, fmt.Errorf("failed creating output basedir: %v", err))
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}
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baseDir = base
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}
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}
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if ctx.Bool(TraceFlag.Name) {
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// Configure the EVM logger
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logConfig := &vm.LogConfig{
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DisableStack: ctx.Bool(TraceDisableStackFlag.Name),
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DisableMemory: ctx.Bool(TraceDisableMemoryFlag.Name),
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DisableReturnData: ctx.Bool(TraceDisableReturnDataFlag.Name),
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Debug: true,
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}
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var prevFile *os.File
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// This one closes the last file
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defer func() {
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if prevFile != nil {
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prevFile.Close()
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}
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}()
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getTracer = func(txIndex int, txHash common.Hash) (vm.Tracer, error) {
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if prevFile != nil {
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prevFile.Close()
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}
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traceFile, err := os.Create(path.Join(baseDir, fmt.Sprintf("trace-%d-%v.jsonl", txIndex, txHash.String())))
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if err != nil {
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return nil, NewError(ErrorIO, fmt.Errorf("failed creating trace-file: %v", err))
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}
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prevFile = traceFile
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return vm.NewJSONLogger(logConfig, traceFile), nil
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}
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} else {
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getTracer = func(txIndex int, txHash common.Hash) (tracer vm.Tracer, err error) {
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return nil, nil
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}
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}
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// We need to load three things: alloc, env and transactions. May be either in
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// stdin input or in files.
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// Check if anything needs to be read from stdin
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var (
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prestate Prestate
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txs types.Transactions // txs to apply
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allocStr = ctx.String(InputAllocFlag.Name)
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envStr = ctx.String(InputEnvFlag.Name)
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txStr = ctx.String(InputTxsFlag.Name)
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inputData = &input{}
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)
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if allocStr == stdinSelector || envStr == stdinSelector || txStr == stdinSelector {
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decoder := json.NewDecoder(os.Stdin)
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decoder.Decode(inputData)
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}
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if allocStr != stdinSelector {
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inFile, err := os.Open(allocStr)
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if err != nil {
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return NewError(ErrorIO, fmt.Errorf("failed reading alloc file: %v", err))
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}
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defer inFile.Close()
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decoder := json.NewDecoder(inFile)
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if err := decoder.Decode(&inputData.Alloc); err != nil {
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return NewError(ErrorJson, fmt.Errorf("Failed unmarshaling alloc-file: %v", err))
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}
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}
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if envStr != stdinSelector {
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inFile, err := os.Open(envStr)
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if err != nil {
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return NewError(ErrorIO, fmt.Errorf("failed reading env file: %v", err))
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}
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defer inFile.Close()
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decoder := json.NewDecoder(inFile)
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var env stEnv
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if err := decoder.Decode(&env); err != nil {
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return NewError(ErrorJson, fmt.Errorf("Failed unmarshaling env-file: %v", err))
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}
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inputData.Env = &env
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}
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if txStr != stdinSelector {
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inFile, err := os.Open(txStr)
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if err != nil {
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return NewError(ErrorIO, fmt.Errorf("failed reading txs file: %v", err))
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}
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defer inFile.Close()
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decoder := json.NewDecoder(inFile)
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var txs types.Transactions
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if err := decoder.Decode(&txs); err != nil {
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return NewError(ErrorJson, fmt.Errorf("Failed unmarshaling txs-file: %v", err))
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}
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inputData.Txs = txs
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}
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prestate.Pre = inputData.Alloc
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prestate.Env = *inputData.Env
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txs = inputData.Txs
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// Iterate over all the tests, run them and aggregate the results
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vmConfig := vm.Config{
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Tracer: tracer,
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Debug: (tracer != nil),
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}
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// Construct the chainconfig
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var chainConfig *params.ChainConfig
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if cConf, extraEips, err := tests.GetChainConfig(ctx.String(ForknameFlag.Name)); err != nil {
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return NewError(ErrorVMConfig, fmt.Errorf("Failed constructing chain configuration: %v", err))
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} else {
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chainConfig = cConf
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vmConfig.ExtraEips = extraEips
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}
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// Set the chain id
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chainConfig.ChainID = big.NewInt(ctx.Int64(ChainIDFlag.Name))
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// Run the test and aggregate the result
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state, result, err := prestate.Apply(vmConfig, chainConfig, txs, ctx.Int64(RewardFlag.Name), getTracer)
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if err != nil {
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return err
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}
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// Dump the excution result
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//postAlloc := state.DumpGenesisFormat(false, false, false)
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collector := make(Alloc)
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state.DumpToCollector(collector, false, false, false, nil, -1)
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return dispatchOutput(ctx, baseDir, result, collector)
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}
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type Alloc map[common.Address]core.GenesisAccount
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func (g Alloc) OnRoot(common.Hash) {}
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func (g Alloc) OnAccount(addr common.Address, dumpAccount state.DumpAccount) {
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balance, _ := new(big.Int).SetString(dumpAccount.Balance, 10)
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var storage map[common.Hash]common.Hash
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if dumpAccount.Storage != nil {
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storage = make(map[common.Hash]common.Hash)
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for k, v := range dumpAccount.Storage {
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storage[k] = common.HexToHash(v)
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}
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}
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genesisAccount := core.GenesisAccount{
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Code: common.FromHex(dumpAccount.Code),
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Storage: storage,
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Balance: balance,
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Nonce: dumpAccount.Nonce,
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}
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g[addr] = genesisAccount
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}
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// saveFile marshalls the object to the given file
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func saveFile(baseDir, filename string, data interface{}) error {
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b, err := json.MarshalIndent(data, "", " ")
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if err != nil {
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return NewError(ErrorJson, fmt.Errorf("failed marshalling output: %v", err))
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}
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if err = ioutil.WriteFile(path.Join(baseDir, filename), b, 0644); err != nil {
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return NewError(ErrorIO, fmt.Errorf("failed writing output: %v", err))
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}
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return nil
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}
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// dispatchOutput writes the output data to either stderr or stdout, or to the specified
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// files
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func dispatchOutput(ctx *cli.Context, baseDir string, result *ExecutionResult, alloc Alloc) error {
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stdOutObject := make(map[string]interface{})
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stdErrObject := make(map[string]interface{})
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dispatch := func(baseDir, fName, name string, obj interface{}) error {
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switch fName {
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case "stdout":
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stdOutObject[name] = obj
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case "stderr":
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stdErrObject[name] = obj
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default: // save to file
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if err := saveFile(baseDir, fName, obj); err != nil {
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return err
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}
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}
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return nil
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}
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if err := dispatch(baseDir, ctx.String(OutputAllocFlag.Name), "alloc", alloc); err != nil {
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return err
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}
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if err := dispatch(baseDir, ctx.String(OutputResultFlag.Name), "result", result); err != nil {
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return err
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}
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if len(stdOutObject) > 0 {
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b, err := json.MarshalIndent(stdOutObject, "", " ")
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if err != nil {
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return NewError(ErrorJson, fmt.Errorf("failed marshalling output: %v", err))
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}
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os.Stdout.Write(b)
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}
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if len(stdErrObject) > 0 {
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b, err := json.MarshalIndent(stdErrObject, "", " ")
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if err != nil {
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return NewError(ErrorJson, fmt.Errorf("failed marshalling output: %v", err))
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}
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os.Stderr.Write(b)
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}
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return nil
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}
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