mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-19 21:31:37 +00:00
350 lines
11 KiB
Go
350 lines
11 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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"errors"
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"fmt"
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"math/big"
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"strings"
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"github.com/XinFinOrg/XDPoSChain/common"
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"github.com/XinFinOrg/XDPoSChain/common/hexutil"
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"github.com/XinFinOrg/XDPoSChain/common/math"
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"github.com/XinFinOrg/XDPoSChain/core"
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"github.com/XinFinOrg/XDPoSChain/core/rawdb"
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"github.com/XinFinOrg/XDPoSChain/core/state"
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"github.com/XinFinOrg/XDPoSChain/core/tracing"
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"github.com/XinFinOrg/XDPoSChain/core/types"
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"github.com/XinFinOrg/XDPoSChain/core/vm"
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"github.com/XinFinOrg/XDPoSChain/crypto"
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"github.com/XinFinOrg/XDPoSChain/ethdb"
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"github.com/XinFinOrg/XDPoSChain/params"
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"github.com/XinFinOrg/XDPoSChain/rlp"
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"github.com/holiman/uint256"
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"golang.org/x/crypto/sha3"
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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 types.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 go run github.com/fjl/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 go run github.com/fjl/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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AuthorizationList []*stAuthorization `json:"authorizationList,omitempty"`
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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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//go:generate go run github.com/fjl/gencodec -type stAuthorization -field-override stAuthorizationMarshaling -out gen_stauthorization.go
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// Authorization is an authorization from an account to deploy code at its address.
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type stAuthorization struct {
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ChainID uint64
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Address common.Address `json:"address" gencodec:"required"`
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Nonce uint64 `json:"nonce" gencodec:"required"`
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V uint8 `json:"v" gencodec:"required"`
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R *big.Int `json:"r" gencodec:"required"`
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S *big.Int `json:"s" gencodec:"required"`
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}
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// field type overrides for gencodec
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type stAuthorizationMarshaling struct {
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ChainID math.HexOrDecimal64
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Nonce math.HexOrDecimal64
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V math.HexOrDecimal64
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R *math.HexOrDecimal256
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S *math.HexOrDecimal256
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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 := rawdb.NewMemoryDatabase()
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statedb := MakePreState(db, t.json.Pre)
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var baseFee *big.Int
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if config.IsEIP1559(new(big.Int)) {
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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(common.BaseFee.Int64())
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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, err
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}
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// Prepare the EVM.
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txContext := core.NewEVMTxContext(msg)
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context := core.NewEVMBlockContext(block.Header(), nil, &t.json.Env.Coinbase)
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context.GetHash = vmTestBlockHash
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context.BaseFee = baseFee
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evm := vm.NewEVM(context, txContext, statedb, nil, 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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coinbase := &t.json.Env.Coinbase
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if _, err := core.ApplyMessage(evm, msg, gaspool, *coinbase); 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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// Commit block
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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 types.GenesisAlloc) *state.StateDB {
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sdb := state.NewDatabase(db)
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statedb, _ := state.New(types.EmptyRootHash, 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, tracing.BalanceChangeUnspecified)
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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, 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(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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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 = new(big.Int).Add(tx.MaxPriorityFeePerGas, baseFee)
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if gasPrice.Cmp(tx.MaxFeePerGas) > 0 {
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gasPrice.Set(tx.MaxFeePerGas)
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}
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}
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if gasPrice == nil {
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return nil, errors.New("no gas price provided")
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}
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var authList []types.Authorization
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if tx.AuthorizationList != nil {
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authList = make([]types.Authorization, len(tx.AuthorizationList))
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for i, auth := range tx.AuthorizationList {
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authList[i] = types.Authorization{
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ChainID: auth.ChainID,
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Address: auth.Address,
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Nonce: auth.Nonce,
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V: auth.V,
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R: *uint256.MustFromBig(auth.R),
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S: *uint256.MustFromBig(auth.S),
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}
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}
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}
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msg := &core.Message{
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From: from,
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To: to,
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Nonce: tx.Nonce,
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Value: value,
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GasLimit: gasLimit,
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GasPrice: tx.GasPrice,
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GasFeeCap: tx.MaxFeePerGas,
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GasTipCap: tx.MaxPriorityFeePerGas,
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Data: data,
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AccessList: accessList,
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AuthList: authList,
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SkipNonceChecks: false,
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SkipFromEOACheck: false,
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}
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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("can't encode: " + err.Error())
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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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