go-ethereum/core/parallel_state_processor.go

293 lines
9.3 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 core
import (
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/misc"
"github.com/ethereum/go-ethereum/core/blockstm"
"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/log"
"github.com/ethereum/go-ethereum/params"
)
// StateProcessor is a basic Processor, which takes care of transitioning
// state from one point to another.
//
// StateProcessor implements Processor.
type ParallelStateProcessor struct {
config *params.ChainConfig // Chain configuration options
bc *BlockChain // Canonical block chain
engine consensus.Engine // Consensus engine used for block rewards
}
// NewStateProcessor initialises a new StateProcessor.
func NewParallelStateProcessor(config *params.ChainConfig, bc *BlockChain, engine consensus.Engine) *ParallelStateProcessor {
return &ParallelStateProcessor{
config: config,
bc: bc,
engine: engine,
}
}
type ExecutionTask struct {
msg types.Message
config *params.ChainConfig
gasLimit uint64
blockNumber *big.Int
blockHash common.Hash
blockContext vm.BlockContext
tx *types.Transaction
index int
statedb *state.StateDB // State database that stores the modified values after tx execution.
cleanStateDB *state.StateDB // A clean copy of the initial statedb. It should not be modified.
evmConfig vm.Config
result *ExecutionResult
shouldDelayFeeCal *bool
shouldRerunWithoutFeeDelay bool
}
func (task *ExecutionTask) Execute(mvh *blockstm.MVHashMap, incarnation int) (err error) {
task.statedb = task.cleanStateDB.Copy()
task.statedb.Prepare(task.tx.Hash(), task.index)
task.statedb.SetMVHashmap(mvh)
task.statedb.SetIncarnation(incarnation)
evm := vm.NewEVM(task.blockContext, vm.TxContext{}, task.statedb, task.config, task.evmConfig)
// Create a new context to be used in the EVM environment.
txContext := NewEVMTxContext(task.msg)
evm.Reset(txContext, task.statedb)
defer func() {
if r := recover(); r != nil {
// In some pre-matured executions, EVM will panic. Recover from panic and retry the execution.
log.Debug("Recovered from EVM failure. Error:\n", r)
err = blockstm.ErrExecAbort
return
}
}()
// Apply the transaction to the current state (included in the env).
if *task.shouldDelayFeeCal {
task.result, err = ApplyMessageNoFeeBurnOrTip(evm, task.msg, new(GasPool).AddGas(task.gasLimit))
if _, ok := task.statedb.MVReadMap()[string(task.blockContext.Coinbase.Bytes())]; ok {
task.shouldRerunWithoutFeeDelay = true
}
if _, ok := task.statedb.MVReadMap()[string(task.result.BurntContractAddress.Bytes())]; ok {
task.shouldRerunWithoutFeeDelay = true
}
} else {
task.result, err = ApplyMessage(evm, task.msg, new(GasPool).AddGas(task.gasLimit))
}
if task.statedb.HadInvalidRead() || err != nil {
err = blockstm.ErrExecAbort
return
}
task.statedb.Finalise(false)
return
}
func (task *ExecutionTask) MVReadList() []blockstm.ReadDescriptor {
return task.statedb.MVReadList()
}
func (task *ExecutionTask) MVWriteList() []blockstm.WriteDescriptor {
return task.statedb.MVWriteList()
}
func (task *ExecutionTask) MVFullWriteList() []blockstm.WriteDescriptor {
return task.statedb.MVFullWriteList()
}
// Process processes the state changes according to the Ethereum rules by running
// the transaction messages using the statedb and applying any rewards to both
// the processor (coinbase) and any included uncles.
//
// Process returns the receipts and logs accumulated during the process and
// returns the amount of gas that was used in the process. If any of the
// transactions failed to execute due to insufficient gas it will return an error.
func (p *ParallelStateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg vm.Config) (types.Receipts, []*types.Log, uint64, error) {
var (
receipts types.Receipts
header = block.Header()
blockHash = block.Hash()
blockNumber = block.Number()
allLogs []*types.Log
usedGas = new(uint64)
)
// Mutate the block and state according to any hard-fork specs
if p.config.DAOForkSupport && p.config.DAOForkBlock != nil && p.config.DAOForkBlock.Cmp(block.Number()) == 0 {
misc.ApplyDAOHardFork(statedb)
}
tasks := make([]blockstm.ExecTask, 0, len(block.Transactions()))
shouldDelayFeeCal := true
// Iterate over and process the individual transactions
for i, tx := range block.Transactions() {
msg, err := tx.AsMessage(types.MakeSigner(p.config, header.Number), header.BaseFee)
if err != nil {
log.Error("error creating message", "err", err)
return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
}
bc := NewEVMBlockContext(header, p.bc, nil)
cleansdb := statedb.Copy()
if msg.From() == bc.Coinbase {
shouldDelayFeeCal = false
}
task := &ExecutionTask{
msg: msg,
config: p.config,
gasLimit: block.GasLimit(),
blockNumber: blockNumber,
blockHash: blockHash,
tx: tx,
index: i,
cleanStateDB: cleansdb,
blockContext: bc,
evmConfig: cfg,
shouldDelayFeeCal: &shouldDelayFeeCal,
}
tasks = append(tasks, task)
}
_, err := blockstm.ExecuteParallel(tasks)
for _, task := range tasks {
task := task.(*ExecutionTask)
if task.shouldRerunWithoutFeeDelay {
shouldDelayFeeCal = false
_, err = blockstm.ExecuteParallel(tasks)
break
}
}
if err != nil {
log.Error("blockstm error executing block", "err", err)
return nil, nil, 0, err
}
london := p.config.IsLondon(blockNumber)
for _, task := range tasks {
task := task.(*ExecutionTask)
statedb.Prepare(task.tx.Hash(), task.index)
coinbaseBalance := statedb.GetBalance(task.blockContext.Coinbase)
statedb.ApplyMVWriteSet(task.MVWriteList())
for _, l := range task.statedb.GetLogs(task.tx.Hash(), blockHash) {
statedb.AddLog(l)
}
if shouldDelayFeeCal {
if london {
statedb.AddBalance(task.result.BurntContractAddress, task.result.FeeBurnt)
}
statedb.AddBalance(task.blockContext.Coinbase, task.result.FeeTipped)
output1 := new(big.Int).SetBytes(task.result.senderInitBalance.Bytes())
output2 := new(big.Int).SetBytes(coinbaseBalance.Bytes())
// Deprecating transfer log and will be removed in future fork. PLEASE DO NOT USE this transfer log going forward. Parameters won't get updated as expected going forward with EIP1559
// add transfer log
AddFeeTransferLog(
statedb,
task.msg.From(),
task.blockContext.Coinbase,
task.result.FeeTipped,
task.result.senderInitBalance,
coinbaseBalance,
output1.Sub(output1, task.result.FeeTipped),
output2.Add(output2, task.result.FeeTipped),
)
}
for k, v := range task.statedb.Preimages() {
statedb.AddPreimage(k, v)
}
// Update the state with pending changes.
var root []byte
if p.config.IsByzantium(blockNumber) {
statedb.Finalise(true)
} else {
root = statedb.IntermediateRoot(p.config.IsEIP158(blockNumber)).Bytes()
}
*usedGas += task.result.UsedGas
// Create a new receipt for the transaction, storing the intermediate root and gas used
// by the tx.
receipt := &types.Receipt{Type: task.tx.Type(), PostState: root, CumulativeGasUsed: *usedGas}
if task.result.Failed() {
receipt.Status = types.ReceiptStatusFailed
} else {
receipt.Status = types.ReceiptStatusSuccessful
}
receipt.TxHash = task.tx.Hash()
receipt.GasUsed = task.result.UsedGas
// If the transaction created a contract, store the creation address in the receipt.
if task.msg.To() == nil {
receipt.ContractAddress = crypto.CreateAddress(task.msg.From(), task.tx.Nonce())
}
// Set the receipt logs and create the bloom filter.
receipt.Logs = statedb.GetLogs(task.tx.Hash(), blockHash)
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
receipt.BlockHash = blockHash
receipt.BlockNumber = blockNumber
receipt.TransactionIndex = uint(statedb.TxIndex())
receipts = append(receipts, receipt)
allLogs = append(allLogs, receipt.Logs...)
}
// Finalize the block, applying any consensus engine specific extras (e.g. block rewards)
p.engine.Finalize(p.bc, header, statedb, block.Transactions(), block.Uncles())
return receipts, allLogs, *usedGas, nil
}