223 lines
8.8 KiB
Go
223 lines
8.8 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 core
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import (
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"errors"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/consensus/misc"
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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/params"
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)
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// StateProcessor is a basic Processor, which takes care of transitioning
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// state from one point to another.
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//
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// StateProcessor implements Processor.
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type StateProcessor struct {
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config *params.ChainConfig // Chain configuration options
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bc *BlockChain // Canonical block chain
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engine consensus.Engine // Consensus engine used for block rewards
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}
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// NewStateProcessor initialises a new StateProcessor.
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func NewStateProcessor(config *params.ChainConfig, bc *BlockChain, engine consensus.Engine) *StateProcessor {
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return &StateProcessor{
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config: config,
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bc: bc,
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engine: engine,
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}
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}
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// Process processes the state changes according to the Ethereum rules by running
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// the transaction messages using the statedb and applying any rewards to both
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// the processor (coinbase) and any included uncles.
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//
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// Process returns the receipts and logs accumulated during the process and
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// returns the amount of gas that was used in the process. If any of the
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// transactions failed to execute due to insufficient gas it will return an error.
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func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg vm.Config) (types.Receipts, []*types.Log, uint64, error) {
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var (
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receipts types.Receipts
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usedGas = new(uint64)
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header = block.Header()
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blockHash = block.Hash()
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blockNumber = block.Number()
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allLogs []*types.Log
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gp = new(GasPool).AddGas(block.GasLimit())
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)
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// Mutate the block and state according to any hard-fork specs
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if p.config.DAOForkSupport && p.config.DAOForkBlock != nil && p.config.DAOForkBlock.Cmp(block.Number()) == 0 {
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misc.ApplyDAOHardFork(statedb)
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}
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//begin PluGeth code injection
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blockTracer, ok := pluginGetBlockTracer(header.Hash(), statedb)
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if ok {
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cfg.Tracer = blockTracer
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// cfg.Debug = true
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}
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// end pluGeth code injection
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var (
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context = NewEVMBlockContext(header, p.bc, nil)
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vmenv = vm.NewEVM(context, vm.TxContext{}, statedb, p.config, cfg)
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signer = types.MakeSigner(p.config, header.Number, header.Time)
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)
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if beaconRoot := block.BeaconRoot(); beaconRoot != nil {
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ProcessBeaconBlockRoot(*beaconRoot, vmenv, statedb)
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}
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// begin PluGeth code injection
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pluginPreProcessBlock(block)
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blockTracer.PreProcessBlock(block)
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// end PluGeth code injection
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// Iterate over and process the individual transactions
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for i, tx := range block.Transactions() {
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msg, err := TransactionToMessage(tx, signer, header.BaseFee)
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if err != nil {
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// begin PluGeth injection
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pluginBlockProcessingError(tx, block, err)
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blockTracer.BlockProcessingError(tx, block, err)
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// end PluGeth injection
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return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
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}
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statedb.SetTxContext(tx.Hash(), i)
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// begin PluGeth injection
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pluginPreProcessTransaction(tx, block, i)
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blockTracer.PreProcessTransaction(tx, block, i)
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// end pluGeth injection
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receipt, err := applyTransaction(msg, p.config, gp, statedb, blockNumber, blockHash, tx, usedGas, vmenv)
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if err != nil {
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// begin PluGeth code injection
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pluginBlockProcessingError(tx, block, err)
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blockTracer.BlockProcessingError(tx, block, err)
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// end PluGeth code injection
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return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
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}
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// begin PluGeth code injection
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pluginPostProcessTransaction(tx, block, i, receipt)
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blockTracer.PostProcessTransaction(tx, block, i, receipt)
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// end PluGeth code injection
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receipts = append(receipts, receipt)
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allLogs = append(allLogs, receipt.Logs...)
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}
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// Fail if Shanghai not enabled and len(withdrawals) is non-zero.
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withdrawals := block.Withdrawals()
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if len(withdrawals) > 0 && !p.config.IsShanghai(block.Number(), block.Time()) {
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return nil, nil, 0, errors.New("withdrawals before shanghai")
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}
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// Finalize the block, applying any consensus engine specific extras (e.g. block rewards)
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p.engine.Finalize(p.bc, header, statedb, block.Transactions(), block.Uncles(), withdrawals)
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//begin PluGeth code injection
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pluginPostProcessBlock(block)
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blockTracer.PostProcessBlock(block)
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// end PluGeth code injection
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return receipts, allLogs, *usedGas, nil
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}
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func applyTransaction(msg *Message, config *params.ChainConfig, gp *GasPool, statedb *state.StateDB, blockNumber *big.Int, blockHash common.Hash, tx *types.Transaction, usedGas *uint64, evm *vm.EVM) (*types.Receipt, error) {
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// Create a new context to be used in the EVM environment.
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txContext := NewEVMTxContext(msg)
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evm.Reset(txContext, statedb)
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// Apply the transaction to the current state (included in the env).
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result, err := ApplyMessage(evm, msg, gp)
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if err != nil {
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return nil, err
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}
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// Update the state with pending changes.
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var root []byte
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if config.IsByzantium(blockNumber) {
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statedb.Finalise(true)
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} else {
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root = statedb.IntermediateRoot(config.IsEIP158(blockNumber)).Bytes()
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}
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*usedGas += result.UsedGas
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// Create a new receipt for the transaction, storing the intermediate root and gas used
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// by the tx.
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receipt := &types.Receipt{Type: tx.Type(), PostState: root, CumulativeGasUsed: *usedGas}
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if result.Failed() {
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receipt.Status = types.ReceiptStatusFailed
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} else {
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receipt.Status = types.ReceiptStatusSuccessful
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}
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receipt.TxHash = tx.Hash()
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receipt.GasUsed = result.UsedGas
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if tx.Type() == types.BlobTxType {
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receipt.BlobGasUsed = uint64(len(tx.BlobHashes()) * params.BlobTxBlobGasPerBlob)
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receipt.BlobGasPrice = evm.Context.BlobBaseFee
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}
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// If the transaction created a contract, store the creation address in the receipt.
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if msg.To == nil {
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receipt.ContractAddress = crypto.CreateAddress(evm.TxContext.Origin, tx.Nonce())
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}
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// Set the receipt logs and create the bloom filter.
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receipt.Logs = statedb.GetLogs(tx.Hash(), blockNumber.Uint64(), blockHash)
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receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
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receipt.BlockHash = blockHash
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receipt.BlockNumber = blockNumber
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receipt.TransactionIndex = uint(statedb.TxIndex())
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return receipt, err
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}
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// ApplyTransaction attempts to apply a transaction to the given state database
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// and uses the input parameters for its environment. It returns the receipt
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// for the transaction, gas used and an error if the transaction failed,
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// indicating the block was invalid.
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func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *common.Address, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *uint64, cfg vm.Config) (*types.Receipt, error) {
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msg, err := TransactionToMessage(tx, types.MakeSigner(config, header.Number, header.Time), header.BaseFee)
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if err != nil {
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return nil, err
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}
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// Create a new context to be used in the EVM environment
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blockContext := NewEVMBlockContext(header, bc, author)
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txContext := NewEVMTxContext(msg)
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vmenv := vm.NewEVM(blockContext, txContext, statedb, config, cfg)
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return applyTransaction(msg, config, gp, statedb, header.Number, header.Hash(), tx, usedGas, vmenv)
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}
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// ProcessBeaconBlockRoot applies the EIP-4788 system call to the beacon block root
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// contract. This method is exported to be used in tests.
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func ProcessBeaconBlockRoot(beaconRoot common.Hash, vmenv *vm.EVM, statedb *state.StateDB) {
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// If EIP-4788 is enabled, we need to invoke the beaconroot storage contract with
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// the new root
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msg := &Message{
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From: params.SystemAddress,
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GasLimit: 30_000_000,
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GasPrice: common.Big0,
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GasFeeCap: common.Big0,
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GasTipCap: common.Big0,
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To: ¶ms.BeaconRootsStorageAddress,
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Data: beaconRoot[:],
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}
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vmenv.Reset(NewEVMTxContext(msg), statedb)
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statedb.AddAddressToAccessList(params.BeaconRootsStorageAddress)
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_, _, _ = vmenv.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 30_000_000, common.U2560)
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statedb.Finalise(true)
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}
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