5a652190d9
* Upgrade go-ethereum to v1.8 * Add Node Info for parity nodes * Upgrade start_private_blockchain to use v1.8
246 lines
7.5 KiB
Go
246 lines
7.5 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package tests
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"math/big"
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"strings"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/common/math"
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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/crypto"
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"github.com/ethereum/go-ethereum/crypto/sha3"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// StateTest checks transaction processing without block context.
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// See https://github.com/ethereum/EIPs/issues/176 for the test format specification.
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type StateTest struct {
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json stJSON
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}
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// StateSubtest selects a specific configuration of a General State Test.
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type StateSubtest struct {
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Fork string
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Index int
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}
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func (t *StateTest) UnmarshalJSON(in []byte) error {
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return json.Unmarshal(in, &t.json)
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}
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type stJSON struct {
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Env stEnv `json:"env"`
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Pre core.GenesisAlloc `json:"pre"`
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Tx stTransaction `json:"transaction"`
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Out hexutil.Bytes `json:"out"`
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Post map[string][]stPostState `json:"post"`
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}
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type stPostState struct {
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Root common.UnprefixedHash `json:"hash"`
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Logs common.UnprefixedHash `json:"logs"`
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Indexes struct {
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Data int `json:"data"`
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Gas int `json:"gas"`
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Value int `json:"value"`
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}
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}
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//go:generate gencodec -type stEnv -field-override stEnvMarshaling -out gen_stenv.go
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type stEnv struct {
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Coinbase common.Address `json:"currentCoinbase" gencodec:"required"`
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Difficulty *big.Int `json:"currentDifficulty" gencodec:"required"`
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GasLimit uint64 `json:"currentGasLimit" gencodec:"required"`
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Number uint64 `json:"currentNumber" gencodec:"required"`
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Timestamp uint64 `json:"currentTimestamp" gencodec:"required"`
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}
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type stEnvMarshaling struct {
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Coinbase common.UnprefixedAddress
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Difficulty *math.HexOrDecimal256
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GasLimit math.HexOrDecimal64
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Number math.HexOrDecimal64
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Timestamp math.HexOrDecimal64
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}
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//go:generate gencodec -type stTransaction -field-override stTransactionMarshaling -out gen_sttransaction.go
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type stTransaction struct {
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GasPrice *big.Int `json:"gasPrice"`
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Nonce uint64 `json:"nonce"`
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To string `json:"to"`
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Data []string `json:"data"`
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GasLimit []uint64 `json:"gasLimit"`
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Value []string `json:"value"`
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PrivateKey []byte `json:"secretKey"`
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}
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type stTransactionMarshaling struct {
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GasPrice *math.HexOrDecimal256
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Nonce math.HexOrDecimal64
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GasLimit []math.HexOrDecimal64
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PrivateKey hexutil.Bytes
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}
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// Subtests returns all valid subtests of the test.
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func (t *StateTest) Subtests() []StateSubtest {
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var sub []StateSubtest
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for fork, pss := range t.json.Post {
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for i := range pss {
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sub = append(sub, StateSubtest{fork, i})
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}
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}
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return sub
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}
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// Run executes a specific subtest.
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func (t *StateTest) Run(subtest StateSubtest, vmconfig vm.Config) (*state.StateDB, error) {
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config, ok := Forks[subtest.Fork]
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if !ok {
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return nil, UnsupportedForkError{subtest.Fork}
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}
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block := t.genesis(config).ToBlock(nil)
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db, _ := ethdb.NewMemDatabase()
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statedb := MakePreState(db, t.json.Pre)
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post := t.json.Post[subtest.Fork][subtest.Index]
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msg, err := t.json.Tx.toMessage(post)
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if err != nil {
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return nil, err
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}
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context := core.NewEVMContext(msg, block.Header(), nil, &t.json.Env.Coinbase)
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context.GetHash = vmTestBlockHash
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evm := vm.NewEVM(context, statedb, config, vmconfig)
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gaspool := new(core.GasPool)
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gaspool.AddGas(block.GasLimit())
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snapshot := statedb.Snapshot()
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if _, _, _, err := core.ApplyMessage(evm, msg, gaspool); err != nil {
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statedb.RevertToSnapshot(snapshot)
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}
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if logs := rlpHash(statedb.Logs()); logs != common.Hash(post.Logs) {
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return statedb, fmt.Errorf("post state logs hash mismatch: got %x, want %x", logs, post.Logs)
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}
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root, _ := statedb.Commit(config.IsEIP158(block.Number()))
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if root != common.Hash(post.Root) {
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return statedb, fmt.Errorf("post state root mismatch: got %x, want %x", root, post.Root)
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}
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return statedb, nil
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}
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func (t *StateTest) gasLimit(subtest StateSubtest) uint64 {
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return t.json.Tx.GasLimit[t.json.Post[subtest.Fork][subtest.Index].Indexes.Gas]
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}
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func MakePreState(db ethdb.Database, accounts core.GenesisAlloc) *state.StateDB {
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sdb := state.NewDatabase(db)
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statedb, _ := state.New(common.Hash{}, sdb)
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for addr, a := range accounts {
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statedb.SetCode(addr, a.Code)
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statedb.SetNonce(addr, a.Nonce)
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statedb.SetBalance(addr, a.Balance)
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for k, v := range a.Storage {
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statedb.SetState(addr, k, v)
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}
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}
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// Commit and re-open to start with a clean state.
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root, _ := statedb.Commit(false)
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statedb, _ = state.New(root, sdb)
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return statedb
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}
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func (t *StateTest) genesis(config *params.ChainConfig) *core.Genesis {
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return &core.Genesis{
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Config: config,
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Coinbase: t.json.Env.Coinbase,
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Difficulty: t.json.Env.Difficulty,
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GasLimit: t.json.Env.GasLimit,
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Number: t.json.Env.Number,
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Timestamp: t.json.Env.Timestamp,
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Alloc: t.json.Pre,
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}
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}
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func (tx *stTransaction) toMessage(ps stPostState) (core.Message, error) {
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// Derive sender from private key if present.
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var from common.Address
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if len(tx.PrivateKey) > 0 {
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key, err := crypto.ToECDSA(tx.PrivateKey)
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if err != nil {
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return nil, fmt.Errorf("invalid private key: %v", err)
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}
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from = crypto.PubkeyToAddress(key.PublicKey)
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}
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// Parse recipient if present.
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var to *common.Address
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if tx.To != "" {
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to = new(common.Address)
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if err := to.UnmarshalText([]byte(tx.To)); err != nil {
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return nil, fmt.Errorf("invalid to address: %v", err)
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}
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}
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// Get values specific to this post state.
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if ps.Indexes.Data > len(tx.Data) {
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return nil, fmt.Errorf("tx data index %d out of bounds", ps.Indexes.Data)
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}
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if ps.Indexes.Value > len(tx.Value) {
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return nil, fmt.Errorf("tx value index %d out of bounds", ps.Indexes.Value)
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}
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if ps.Indexes.Gas > len(tx.GasLimit) {
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return nil, fmt.Errorf("tx gas limit index %d out of bounds", ps.Indexes.Gas)
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}
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dataHex := tx.Data[ps.Indexes.Data]
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valueHex := tx.Value[ps.Indexes.Value]
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gasLimit := tx.GasLimit[ps.Indexes.Gas]
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// Value, Data hex encoding is messy: https://github.com/ethereum/tests/issues/203
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value := new(big.Int)
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if valueHex != "0x" {
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v, ok := math.ParseBig256(valueHex)
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if !ok {
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return nil, fmt.Errorf("invalid tx value %q", valueHex)
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}
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value = v
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}
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data, err := hex.DecodeString(strings.TrimPrefix(dataHex, "0x"))
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if err != nil {
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return nil, fmt.Errorf("invalid tx data %q", dataHex)
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}
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msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, tx.GasPrice, data, true)
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return msg, nil
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}
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func rlpHash(x interface{}) (h common.Hash) {
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hw := sha3.NewKeccak256()
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rlp.Encode(hw, x)
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hw.Sum(h[:0])
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return h
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}
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