mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-22 19:40:36 +00:00
246 lines
7.5 KiB
Go
246 lines
7.5 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package tests
|
|
|
|
import (
|
|
"encoding/hex"
|
|
"encoding/json"
|
|
"fmt"
|
|
"math/big"
|
|
"strings"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/hexutil"
|
|
"github.com/ethereum/go-ethereum/common/math"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/state"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/core/vm"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/crypto/sha3"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
)
|
|
|
|
// StateTest checks transaction processing without block context.
|
|
// See https://github.com/ethereum/EIPs/issues/176 for the test format specification.
|
|
type StateTest struct {
|
|
json stJSON
|
|
}
|
|
|
|
// StateSubtest selects a specific configuration of a General State Test.
|
|
type StateSubtest struct {
|
|
Fork string
|
|
Index int
|
|
}
|
|
|
|
func (t *StateTest) UnmarshalJSON(in []byte) error {
|
|
return json.Unmarshal(in, &t.json)
|
|
}
|
|
|
|
type stJSON struct {
|
|
Env stEnv `json:"env"`
|
|
Pre core.GenesisAlloc `json:"pre"`
|
|
Tx stTransaction `json:"transaction"`
|
|
Out hexutil.Bytes `json:"out"`
|
|
Post map[string][]stPostState `json:"post"`
|
|
}
|
|
|
|
type stPostState struct {
|
|
Root common.UnprefixedHash `json:"hash"`
|
|
Logs common.UnprefixedHash `json:"logs"`
|
|
Indexes struct {
|
|
Data int `json:"data"`
|
|
Gas int `json:"gas"`
|
|
Value int `json:"value"`
|
|
}
|
|
}
|
|
|
|
//go:generate gencodec -type stEnv -field-override stEnvMarshaling -out gen_stenv.go
|
|
|
|
type stEnv struct {
|
|
Coinbase common.Address `json:"currentCoinbase" gencodec:"required"`
|
|
Difficulty *big.Int `json:"currentDifficulty" gencodec:"required"`
|
|
GasLimit uint64 `json:"currentGasLimit" gencodec:"required"`
|
|
Number uint64 `json:"currentNumber" gencodec:"required"`
|
|
Timestamp uint64 `json:"currentTimestamp" gencodec:"required"`
|
|
}
|
|
|
|
type stEnvMarshaling struct {
|
|
Coinbase common.UnprefixedAddress
|
|
Difficulty *math.HexOrDecimal256
|
|
GasLimit math.HexOrDecimal64
|
|
Number math.HexOrDecimal64
|
|
Timestamp math.HexOrDecimal64
|
|
}
|
|
|
|
//go:generate gencodec -type stTransaction -field-override stTransactionMarshaling -out gen_sttransaction.go
|
|
|
|
type stTransaction struct {
|
|
GasPrice *big.Int `json:"gasPrice"`
|
|
Nonce uint64 `json:"nonce"`
|
|
To string `json:"to"`
|
|
Data []string `json:"data"`
|
|
GasLimit []uint64 `json:"gasLimit"`
|
|
Value []string `json:"value"`
|
|
PrivateKey []byte `json:"secretKey"`
|
|
}
|
|
|
|
type stTransactionMarshaling struct {
|
|
GasPrice *math.HexOrDecimal256
|
|
Nonce math.HexOrDecimal64
|
|
GasLimit []math.HexOrDecimal64
|
|
PrivateKey hexutil.Bytes
|
|
}
|
|
|
|
// Subtests returns all valid subtests of the test.
|
|
func (t *StateTest) Subtests() []StateSubtest {
|
|
var sub []StateSubtest
|
|
for fork, pss := range t.json.Post {
|
|
for i := range pss {
|
|
sub = append(sub, StateSubtest{fork, i})
|
|
}
|
|
}
|
|
return sub
|
|
}
|
|
|
|
// Run executes a specific subtest.
|
|
func (t *StateTest) Run(subtest StateSubtest, vmconfig vm.Config) (*state.StateDB, error) {
|
|
config, ok := Forks[subtest.Fork]
|
|
if !ok {
|
|
return nil, UnsupportedForkError{subtest.Fork}
|
|
}
|
|
block := t.genesis(config).ToBlock(nil)
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb := MakePreState(db, t.json.Pre)
|
|
|
|
post := t.json.Post[subtest.Fork][subtest.Index]
|
|
msg, err := t.json.Tx.toMessage(post)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
context := core.NewEVMContext(msg, block.Header(), nil, &t.json.Env.Coinbase)
|
|
context.GetHash = vmTestBlockHash
|
|
evm := vm.NewEVM(context, statedb, config, vmconfig)
|
|
|
|
gaspool := new(core.GasPool)
|
|
gaspool.AddGas(block.GasLimit())
|
|
snapshot := statedb.Snapshot()
|
|
if _, _, _, err := core.ApplyMessage(evm, msg, gaspool); err != nil {
|
|
statedb.RevertToSnapshot(snapshot)
|
|
}
|
|
if logs := rlpHash(statedb.Logs()); logs != common.Hash(post.Logs) {
|
|
return statedb, fmt.Errorf("post state logs hash mismatch: got %x, want %x", logs, post.Logs)
|
|
}
|
|
root, _ := statedb.Commit(config.IsEIP158(block.Number()))
|
|
if root != common.Hash(post.Root) {
|
|
return statedb, fmt.Errorf("post state root mismatch: got %x, want %x", root, post.Root)
|
|
}
|
|
return statedb, nil
|
|
}
|
|
|
|
func (t *StateTest) gasLimit(subtest StateSubtest) uint64 {
|
|
return t.json.Tx.GasLimit[t.json.Post[subtest.Fork][subtest.Index].Indexes.Gas]
|
|
}
|
|
|
|
func MakePreState(db ethdb.Database, accounts core.GenesisAlloc) *state.StateDB {
|
|
sdb := state.NewDatabase(db)
|
|
statedb, _ := state.New(common.Hash{}, sdb)
|
|
for addr, a := range accounts {
|
|
statedb.SetCode(addr, a.Code)
|
|
statedb.SetNonce(addr, a.Nonce)
|
|
statedb.SetBalance(addr, a.Balance)
|
|
for k, v := range a.Storage {
|
|
statedb.SetState(addr, k, v)
|
|
}
|
|
}
|
|
// Commit and re-open to start with a clean state.
|
|
root, _ := statedb.Commit(false)
|
|
statedb, _ = state.New(root, sdb)
|
|
return statedb
|
|
}
|
|
|
|
func (t *StateTest) genesis(config *params.ChainConfig) *core.Genesis {
|
|
return &core.Genesis{
|
|
Config: config,
|
|
Coinbase: t.json.Env.Coinbase,
|
|
Difficulty: t.json.Env.Difficulty,
|
|
GasLimit: t.json.Env.GasLimit,
|
|
Number: t.json.Env.Number,
|
|
Timestamp: t.json.Env.Timestamp,
|
|
Alloc: t.json.Pre,
|
|
}
|
|
}
|
|
|
|
func (tx *stTransaction) toMessage(ps stPostState) (core.Message, error) {
|
|
// Derive sender from private key if present.
|
|
var from common.Address
|
|
if len(tx.PrivateKey) > 0 {
|
|
key, err := crypto.ToECDSA(tx.PrivateKey)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid private key: %v", err)
|
|
}
|
|
from = crypto.PubkeyToAddress(key.PublicKey)
|
|
}
|
|
// Parse recipient if present.
|
|
var to *common.Address
|
|
if tx.To != "" {
|
|
to = new(common.Address)
|
|
if err := to.UnmarshalText([]byte(tx.To)); err != nil {
|
|
return nil, fmt.Errorf("invalid to address: %v", err)
|
|
}
|
|
}
|
|
|
|
// Get values specific to this post state.
|
|
if ps.Indexes.Data > len(tx.Data) {
|
|
return nil, fmt.Errorf("tx data index %d out of bounds", ps.Indexes.Data)
|
|
}
|
|
if ps.Indexes.Value > len(tx.Value) {
|
|
return nil, fmt.Errorf("tx value index %d out of bounds", ps.Indexes.Value)
|
|
}
|
|
if ps.Indexes.Gas > len(tx.GasLimit) {
|
|
return nil, fmt.Errorf("tx gas limit index %d out of bounds", ps.Indexes.Gas)
|
|
}
|
|
dataHex := tx.Data[ps.Indexes.Data]
|
|
valueHex := tx.Value[ps.Indexes.Value]
|
|
gasLimit := tx.GasLimit[ps.Indexes.Gas]
|
|
// Value, Data hex encoding is messy: https://github.com/ethereum/tests/issues/203
|
|
value := new(big.Int)
|
|
if valueHex != "0x" {
|
|
v, ok := math.ParseBig256(valueHex)
|
|
if !ok {
|
|
return nil, fmt.Errorf("invalid tx value %q", valueHex)
|
|
}
|
|
value = v
|
|
}
|
|
data, err := hex.DecodeString(strings.TrimPrefix(dataHex, "0x"))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid tx data %q", dataHex)
|
|
}
|
|
|
|
msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, tx.GasPrice, data, true)
|
|
return msg, nil
|
|
}
|
|
|
|
func rlpHash(x interface{}) (h common.Hash) {
|
|
hw := sha3.NewKeccak256()
|
|
rlp.Encode(hw, x)
|
|
hw.Sum(h[:0])
|
|
return h
|
|
}
|