mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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433 lines
14 KiB
Go
433 lines
14 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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"strconv"
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"strings"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/erigon/common/dbutils"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/common/math"
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"github.com/ledgerwatch/erigon/core"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/core/vm"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/ethdb"
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"github.com/ledgerwatch/erigon/ethdb/kv"
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"github.com/ledgerwatch/erigon/params"
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"github.com/ledgerwatch/erigon/rlp"
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"github.com/ledgerwatch/erigon/turbo/trie"
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"golang.org/x/crypto/sha3"
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"github.com/ledgerwatch/erigon/common"
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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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BaseFee *big.Int `json:"currentBaseFee" gencodec:"optional"`
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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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BaseFee *math.HexOrDecimal256
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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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MaxFeePerGas *big.Int `json:"maxFeePerGas"`
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MaxPriorityFeePerGas *big.Int `json:"maxPriorityFeePerGas"`
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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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AccessLists []*types.AccessList `json:"accessLists,omitempty"`
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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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MaxFeePerGas *math.HexOrDecimal256
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MaxPriorityFeePerGas *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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// GetChainConfig takes a fork definition and returns a chain config.
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// The fork definition can be
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// - a plain forkname, e.g. `Byzantium`,
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// - a fork basename, and a list of EIPs to enable; e.g. `Byzantium+1884+1283`.
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func GetChainConfig(forkString string) (baseConfig *params.ChainConfig, eips []int, err error) {
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var (
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splitForks = strings.Split(forkString, "+")
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ok bool
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baseName, eipsStrings = splitForks[0], splitForks[1:]
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)
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if baseConfig, ok = Forks[baseName]; !ok {
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return nil, nil, UnsupportedForkError{baseName}
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}
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for _, eip := range eipsStrings {
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if eipNum, err := strconv.Atoi(eip); err != nil {
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return nil, nil, fmt.Errorf("syntax error, invalid eip number %v", eipNum)
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} else {
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if !vm.ValidEip(eipNum) {
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return nil, nil, fmt.Errorf("syntax error, invalid eip number %v", eipNum)
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}
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eips = append(eips, eipNum)
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}
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}
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return baseConfig, eips, nil
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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 and verifies the post-state and logs
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func (t *StateTest) Run(rules params.Rules, tx ethdb.RwTx, subtest StateSubtest, vmconfig vm.Config) (*state.IntraBlockState, error) {
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state, root, err := t.RunNoVerify(rules, tx, subtest, vmconfig)
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if err != nil {
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return state, err
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}
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post := t.json.Post[subtest.Fork][subtest.Index]
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// N.B: We need to do this in a two-step process, because the first Commit takes care
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// of suicides, and we need to touch the coinbase _after_ it has potentially suicided.
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if root != common.Hash(post.Root) {
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return state, fmt.Errorf("post state root mismatch: got %x, want %x", root, post.Root)
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}
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if logs := rlpHash(state.Logs()); logs != common.Hash(post.Logs) {
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return state, fmt.Errorf("post state logs hash mismatch: got %x, want %x", logs, post.Logs)
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}
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return state, nil
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}
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// RunNoVerify runs a specific subtest and returns the statedb and post-state root
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func (t *StateTest) RunNoVerify(rules params.Rules, kvtx ethdb.RwTx, subtest StateSubtest, vmconfig vm.Config) (*state.IntraBlockState, common.Hash, error) {
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tx := kv.WrapIntoTxDB(kvtx)
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config, eips, err := GetChainConfig(subtest.Fork)
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if err != nil {
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return nil, common.Hash{}, UnsupportedForkError{subtest.Fork}
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}
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vmconfig.ExtraEips = eips
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block, _, err := t.genesis(config).ToBlock()
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if err != nil {
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return nil, common.Hash{}, UnsupportedForkError{subtest.Fork}
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}
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readBlockNr := block.Number().Uint64()
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writeBlockNr := readBlockNr + 1
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_, err = MakePreState(params.Rules{}, tx, t.json.Pre, readBlockNr)
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if err != nil {
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return nil, common.Hash{}, UnsupportedForkError{subtest.Fork}
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}
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statedb := state.New(state.NewPlainStateReader(tx))
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w := state.NewPlainStateWriter(tx, nil, writeBlockNr)
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var baseFee *big.Int
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if config.IsLondon(0) {
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baseFee = t.json.Env.BaseFee
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if baseFee == nil {
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// Retesteth uses `0x10` for genesis baseFee. Therefore, it defaults to
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// parent - 2 : 0xa as the basefee for 'this' context.
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baseFee = big.NewInt(0x0a)
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}
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}
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post := t.json.Post[subtest.Fork][subtest.Index]
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msg, err := t.json.Tx.toMessage(post, baseFee)
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if err != nil {
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return nil, common.Hash{}, err
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}
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// Prepare the EVM.
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txContext := core.NewEVMTxContext(msg)
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checkTEVM := func(common.Hash) (bool, error) { return false, nil }
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context := core.NewEVMBlockContext(block.Header(), nil, nil, &t.json.Env.Coinbase, checkTEVM)
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context.GetHash = vmTestBlockHash
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if baseFee != nil {
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context.BaseFee = new(uint256.Int)
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context.BaseFee.SetFromBig(baseFee)
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}
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evm := vm.NewEVM(context, txContext, statedb, config, vmconfig)
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// Execute the message.
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snapshot := statedb.Snapshot()
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gaspool := new(core.GasPool)
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gaspool.AddGas(block.GasLimit())
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if _, err = core.ApplyMessage(evm, msg, gaspool, true /* refunds */, false /* gasBailout */); err != nil {
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statedb.RevertToSnapshot(snapshot)
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}
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// And _now_ get the state root
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// Add 0-value mining reward. This only makes a difference in the cases
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// where
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// - the coinbase suicided, or
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// - there are only 'bad' transactions, which aren't executed. In those cases,
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// the coinbase gets no txfee, so isn't created, and thus needs to be touched
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statedb.AddBalance(block.Coinbase(), new(uint256.Int))
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if err = statedb.FinalizeTx(evm.ChainRules, w); err != nil {
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return nil, common.Hash{}, err
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}
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if err = statedb.CommitBlock(evm.ChainRules, w); err != nil {
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return nil, common.Hash{}, err
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}
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// Generate hashed state
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c, err := kvtx.RwCursor(dbutils.PlainStateBucket)
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if err != nil {
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return nil, common.Hash{}, err
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}
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h := common.NewHasher()
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defer common.ReturnHasherToPool(h)
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for k, v, err := c.First(); k != nil; k, v, err = c.Next() {
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if err != nil {
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return nil, common.Hash{}, fmt.Errorf("interate over plain state: %w", err)
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}
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var newK []byte
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if len(k) == common.AddressLength {
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newK = make([]byte, common.HashLength)
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} else {
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newK = make([]byte, common.HashLength*2+common.IncarnationLength)
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}
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h.Sha.Reset()
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//nolint:errcheck
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h.Sha.Write(k[:common.AddressLength])
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//nolint:errcheck
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h.Sha.Read(newK[:common.HashLength])
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if len(k) > common.AddressLength {
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copy(newK[common.HashLength:], k[common.AddressLength:common.AddressLength+common.IncarnationLength])
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h.Sha.Reset()
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//nolint:errcheck
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h.Sha.Write(k[common.AddressLength+common.IncarnationLength:])
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//nolint:errcheck
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h.Sha.Read(newK[common.HashLength+common.IncarnationLength:])
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if err = tx.Put(dbutils.HashedStorageBucket, newK, common.CopyBytes(v)); err != nil {
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return nil, common.Hash{}, fmt.Errorf("insert hashed key: %w", err)
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}
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} else {
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if err = tx.Put(dbutils.HashedAccountsBucket, newK, common.CopyBytes(v)); err != nil {
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return nil, common.Hash{}, fmt.Errorf("insert hashed key: %w", err)
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}
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}
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}
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c.Close()
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root, err := trie.CalcRoot("", kvtx)
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if err != nil {
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return nil, common.Hash{}, fmt.Errorf("error calculating state root: %v", err)
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}
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return statedb, root, 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(rules params.Rules, db ethdb.Database, accounts core.GenesisAlloc, blockNr uint64) (*state.IntraBlockState, error) {
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r := state.NewPlainStateReader(db)
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statedb := state.New(r)
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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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balance, _ := uint256.FromBig(a.Balance)
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statedb.SetBalance(addr, balance)
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for k, v := range a.Storage {
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key := k
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val := uint256.NewInt(0).SetBytes(v.Bytes())
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statedb.SetState(addr, &key, *val)
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}
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if len(a.Code) > 0 || len(a.Storage) > 0 {
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statedb.SetIncarnation(addr, 1)
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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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if err := statedb.FinalizeTx(rules, state.NewPlainStateWriter(db, nil, blockNr+1)); err != nil {
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return nil, err
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}
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if err := statedb.CommitBlock(rules, state.NewPlainStateWriter(db, nil, blockNr+1)); err != nil {
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return nil, err
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}
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return statedb, nil
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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, baseFee *big.Int) (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(uint256.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.SetFromBig(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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var accessList types.AccessList
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if tx.AccessLists != nil && tx.AccessLists[ps.Indexes.Data] != nil {
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accessList = *tx.AccessLists[ps.Indexes.Data]
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}
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// If baseFee provided, set gasPrice to effectiveGasPrice.
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gasPrice := tx.GasPrice
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if baseFee != nil {
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if tx.MaxFeePerGas == nil {
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tx.MaxFeePerGas = gasPrice
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}
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if tx.MaxFeePerGas == nil {
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tx.MaxFeePerGas = new(big.Int)
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}
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if tx.MaxPriorityFeePerGas == nil {
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tx.MaxPriorityFeePerGas = tx.MaxFeePerGas
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}
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gasPrice = math.BigMin(new(big.Int).Add(tx.MaxPriorityFeePerGas, baseFee),
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tx.MaxFeePerGas)
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}
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var gasPrice256, maxFee256, maxTip256 *uint256.Int
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if gasPrice != nil {
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gasPrice256 = new(uint256.Int)
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gasPrice256.SetFromBig(gasPrice)
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}
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if tx.MaxFeePerGas != nil {
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maxFee256 = new(uint256.Int)
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maxFee256.SetFromBig(tx.MaxFeePerGas)
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}
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if tx.MaxPriorityFeePerGas != nil {
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maxTip256 = new(uint256.Int)
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maxTip256.SetFromBig(tx.MaxPriorityFeePerGas)
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}
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msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, gasPrice256,
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maxFee256, maxTip256, data, accessList, 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.NewLegacyKeccak256()
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if err := rlp.Encode(hw, x); err != nil {
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panic(err)
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}
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hw.Sum(h[:0])
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return h
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}
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