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all: implement EIP-1153 transient storage (#26003)

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Implements TSTORE and TLOAD as specified by the following EIP:

https://eips.ethereum.org/EIPS/eip-1153
https://ethereum-magicians.org/t/eip-1153-transient-storage-opcodes/553


Co-authored-by: Sara Reynolds <snreynolds2506@gmail.com>
Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Gary Rong <garyrong0905@gmail.com>
This commit is contained in:
Mark Tyneway 2022-11-16 01:18:52 -08:00 committed by GitHub
parent bc90a88263
commit b4ea2bf7dd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 449 additions and 66 deletions
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2
cmd/evm/internal/t8ntool/execution.go
View File

@ -173,7 +173,7 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
}
vmConfig.Tracer = tracer
vmConfig.Debug = (tracer != nil)
statedb.Prepare(tx.Hash(), txIndex)
statedb.SetTxContext(tx.Hash(), txIndex)
txContext := core.NewEVMTxContext(msg)
snapshot := statedb.Snapshot()
evm := vm.NewEVM(vmContext, txContext, statedb, chainConfig, vmConfig)

94
core/blockchain_test.go
View File

@ -4093,3 +4093,97 @@ func testCreateThenDelete(t *testing.T, config *params.ChainConfig) {
}
}
}
// TestTransientStorageReset ensures the transient storage is wiped correctly
// between transactions.
func TestTransientStorageReset(t *testing.T) {
var (
engine = ethash.NewFaker()
key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
address = crypto.PubkeyToAddress(key.PublicKey)
destAddress = crypto.CreateAddress(address, 0)
funds = big.NewInt(1000000000000000)
vmConfig = vm.Config{
ExtraEips: []int{1153}, // Enable transient storage EIP
}
)
code := append([]byte{
// TLoad value with location 1
byte(vm.PUSH1), 0x1,
byte(vm.TLOAD),
// PUSH location
byte(vm.PUSH1), 0x1,
// SStore location:value
byte(vm.SSTORE),
}, make([]byte, 32-6)...)
initCode := []byte{
// TSTORE 1:1
byte(vm.PUSH1), 0x1,
byte(vm.PUSH1), 0x1,
byte(vm.TSTORE),
// Get the runtime-code on the stack
byte(vm.PUSH32)}
initCode = append(initCode, code...)
initCode = append(initCode, []byte{
byte(vm.PUSH1), 0x0, // offset
byte(vm.MSTORE),
byte(vm.PUSH1), 0x6, // size
byte(vm.PUSH1), 0x0, // offset
byte(vm.RETURN), // return 6 bytes of zero-code
}...)
gspec := &Genesis{
Config: params.TestChainConfig,
Alloc: GenesisAlloc{
address: {Balance: funds},
},
}
nonce := uint64(0)
signer := types.HomesteadSigner{}
_, blocks, _ := GenerateChainWithGenesis(gspec, engine, 1, func(i int, b *BlockGen) {
fee := big.NewInt(1)
if b.header.BaseFee != nil {
fee = b.header.BaseFee
}
b.SetCoinbase(common.Address{1})
tx, _ := types.SignNewTx(key, signer, &types.LegacyTx{
Nonce: nonce,
GasPrice: new(big.Int).Set(fee),
Gas: 100000,
Data: initCode,
})
nonce++
b.AddTxWithVMConfig(tx, vmConfig)
tx, _ = types.SignNewTx(key, signer, &types.LegacyTx{
Nonce: nonce,
GasPrice: new(big.Int).Set(fee),
Gas: 100000,
To: &destAddress,
})
b.AddTxWithVMConfig(tx, vmConfig)
nonce++
})
// Initialize the blockchain with 1153 enabled.
chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, engine, vmConfig, nil, nil)
if err != nil {
t.Fatalf("failed to create tester chain: %v", err)
}
// Import the blocks
if _, err := chain.InsertChain(blocks); err != nil {
t.Fatalf("failed to insert into chain: %v", err)
}
// Check the storage
state, err := chain.StateAt(chain.CurrentHeader().Root)
if err != nil {
t.Fatalf("Failed to load state %v", err)
}
loc := common.BytesToHash([]byte{1})
slot := state.GetState(destAddress, loc)
if slot != (common.Hash{}) {
t.Fatalf("Unexpected dirty storage slot")
}
}

40
core/chain_makers.go
View File

@ -79,6 +79,26 @@ func (b *BlockGen) SetDifficulty(diff *big.Int) {
b.header.Difficulty = diff
}
// addTx adds a transaction to the generated block. If no coinbase has
// been set, the block's coinbase is set to the zero address.
//
// There are a few options can be passed as well in order to run some
// customized rules.
// - bc: enables the ability to query historical block hashes for BLOCKHASH
// - vmConfig: extends the flexibility for customizing evm rules, e.g. enable extra EIPs
func (b *BlockGen) addTx(bc *BlockChain, vmConfig vm.Config, tx *types.Transaction) {
if b.gasPool == nil {
b.SetCoinbase(common.Address{})
}
b.statedb.SetTxContext(tx.Hash(), len(b.txs))
receipt, err := ApplyTransaction(b.config, bc, &b.header.Coinbase, b.gasPool, b.statedb, b.header, tx, &b.header.GasUsed, vmConfig)
if err != nil {
panic(err)
}
b.txs = append(b.txs, tx)
b.receipts = append(b.receipts, receipt)
}
// AddTx adds a transaction to the generated block. If no coinbase has
// been set, the block's coinbase is set to the zero address.
//
@ -88,7 +108,7 @@ func (b *BlockGen) SetDifficulty(diff *big.Int) {
// added. Notably, contract code relying on the BLOCKHASH instruction
// will panic during execution.
func (b *BlockGen) AddTx(tx *types.Transaction) {
b.AddTxWithChain(nil, tx)
b.addTx(nil, vm.Config{}, tx)
}
// AddTxWithChain adds a transaction to the generated block. If no coinbase has
@ -100,16 +120,14 @@ func (b *BlockGen) AddTx(tx *types.Transaction) {
// added. If contract code relies on the BLOCKHASH instruction,
// the block in chain will be returned.
func (b *BlockGen) AddTxWithChain(bc *BlockChain, tx *types.Transaction) {
if b.gasPool == nil {
b.SetCoinbase(common.Address{})
}
b.statedb.Prepare(tx.Hash(), len(b.txs))
receipt, err := ApplyTransaction(b.config, bc, &b.header.Coinbase, b.gasPool, b.statedb, b.header, tx, &b.header.GasUsed, vm.Config{})
if err != nil {
panic(err)
}
b.txs = append(b.txs, tx)
b.receipts = append(b.receipts, receipt)
b.addTx(bc, vm.Config{}, tx)
}
// AddTxWithVMConfig adds a transaction to the generated block. If no coinbase has
// been set, the block's coinbase is set to the zero address.
// The evm interpreter can be customized with the provided vm config.
func (b *BlockGen) AddTxWithVMConfig(tx *types.Transaction, config vm.Config) {
b.addTx(nil, config, tx)
}
// GetBalance returns the balance of the given address at the generated block.

13
core/state/journal.go
View File

@ -138,6 +138,11 @@ type (
address *common.Address
slot *common.Hash
}
transientStorageChange struct {
account *common.Address
key, prevalue common.Hash
}
)
func (ch createObjectChange) revert(s *StateDB) {
@ -213,6 +218,14 @@ func (ch storageChange) dirtied() *common.Address {
return ch.account
}
func (ch transientStorageChange) revert(s *StateDB) {
s.setTransientState(*ch.account, ch.key, ch.prevalue)
}
func (ch transientStorageChange) dirtied() *common.Address {
return nil
}
func (ch refundChange) revert(s *StateDB) {
s.refund = ch.prev
}

85
core/state/statedb.go
View File

@ -31,6 +31,7 @@ import (
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/trie"
)
@ -102,6 +103,9 @@ type StateDB struct {
// Per-transaction access list
accessList *accessList
// Transient storage
transientStorage transientStorage
// Journal of state modifications. This is the backbone of
// Snapshot and RevertToSnapshot.
journal *journal
@ -146,6 +150,7 @@ func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error)
preimages: make(map[common.Hash][]byte),
journal: newJournal(),
accessList: newAccessList(),
transientStorage: newTransientStorage(),
hasher: crypto.NewKeccakState(),
}
if sdb.snaps != nil {
@ -452,6 +457,35 @@ func (s *StateDB) Suicide(addr common.Address) bool {
return true
}
// SetTransientState sets transient storage for a given account. It
// adds the change to the journal so that it can be rolled back
// to its previous value if there is a revert.
func (s *StateDB) SetTransientState(addr common.Address, key, value common.Hash) {
prev := s.GetTransientState(addr, key)
if prev == value {
return
}
s.journal.append(transientStorageChange{
account: &addr,
key: key,
prevalue: prev,
})
s.setTransientState(addr, key, value)
}
// setTransientState is a lower level setter for transient storage. It
// is called during a revert to prevent modifications to the journal.
func (s *StateDB) setTransientState(addr common.Address, key, value common.Hash) {
s.transientStorage.Set(addr, key, value)
}
// GetTransientState gets transient storage for a given account.
func (s *StateDB) GetTransientState(addr common.Address, key common.Hash) common.Hash {
return s.transientStorage.Get(addr, key)
}
//
// Setting, updating & deleting state object methods.
//
@ -708,6 +742,8 @@ func (s *StateDB) Copy() *StateDB {
// to not blow up if we ever decide copy it in the middle of a transaction
state.accessList = s.accessList.Copy()
state.transientStorage = s.transientStorage.Copy()
// If there's a prefetcher running, make an inactive copy of it that can
// only access data but does not actively preload (since the user will not
// know that they need to explicitly terminate an active copy).
@ -880,9 +916,10 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
return s.trie.Hash()
}
// Prepare sets the current transaction hash and index which are
// used when the EVM emits new state logs.
func (s *StateDB) Prepare(thash common.Hash, ti int) {
// SetTxContext sets the current transaction hash and index which are
// used when the EVM emits new state logs. It should be invoked before
// transaction execution.
func (s *StateDB) SetTxContext(thash common.Hash, ti int) {
s.thash = thash
s.txIndex = ti
}
@ -1020,33 +1057,39 @@ func (s *StateDB) Commit(deleteEmptyObjects bool) (common.Hash, error) {
return root, nil
}
// PrepareAccessList handles the preparatory steps for executing a state transition with
// regards to both EIP-2929 and EIP-2930:
// Prepare handles the preparatory steps for executing a state transition with.
// This method must be invoked before state transition.
//
// Berlin fork:
// - Add sender to access list (2929)
// - Add destination to access list (2929)
// - Add precompiles to access list (2929)
// - Add the contents of the optional tx access list (2930)
//
// This method should only be called if Berlin/2929+2930 is applicable at the current number.
func (s *StateDB) PrepareAccessList(sender common.Address, dst *common.Address, precompiles []common.Address, list types.AccessList) {
// Clear out any leftover from previous executions
s.accessList = newAccessList()
// Potential EIPs:
// - Reset transient storage(1153)
func (s *StateDB) Prepare(rules params.Rules, sender common.Address, dst *common.Address, precompiles []common.Address, list types.AccessList) {
if rules.IsBerlin {
// Clear out any leftover from previous executions
s.accessList = newAccessList()
s.AddAddressToAccessList(sender)
if dst != nil {
s.AddAddressToAccessList(*dst)
// If it's a create-tx, the destination will be added inside evm.create
}
for _, addr := range precompiles {
s.AddAddressToAccessList(addr)
}
for _, el := range list {
s.AddAddressToAccessList(el.Address)
for _, key := range el.StorageKeys {
s.AddSlotToAccessList(el.Address, key)
s.AddAddressToAccessList(sender)
if dst != nil {
s.AddAddressToAccessList(*dst)
// If it's a create-tx, the destination will be added inside evm.create
}
for _, addr := range precompiles {
s.AddAddressToAccessList(addr)
}
for _, el := range list {
s.AddAddressToAccessList(el.Address)
for _, key := range el.StorageKeys {
s.AddSlotToAccessList(el.Address, key)
}
}
}
// Reset transient storage at the beginning of transaction execution
s.transientStorage = newTransientStorage()
}
// AddAddressToAccessList adds the given address to the access list

44
core/state/statedb_test.go
View File

@ -342,6 +342,16 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
},
args: make([]int64, 1),
},
{
name: "SetTransientState",
fn: func(a testAction, s *StateDB) {
var key, val common.Hash
binary.BigEndian.PutUint16(key[:], uint16(a.args[0]))
binary.BigEndian.PutUint16(val[:], uint16(a.args[1]))
s.SetTransientState(addr, key, val)
},
args: make([]int64, 2),
},
}
action := actions[r.Intn(len(actions))]
var nameargs []string
@ -954,3 +964,37 @@ func TestFlushOrderDataLoss(t *testing.T) {
}
}
}
func TestStateDBTransientStorage(t *testing.T) {
memDb := rawdb.NewMemoryDatabase()
db := NewDatabase(memDb)
state, _ := New(common.Hash{}, db, nil)
key := common.Hash{0x01}
value := common.Hash{0x02}
addr := common.Address{}
state.SetTransientState(addr, key, value)
if exp, got := 1, state.journal.length(); exp != got {
t.Fatalf("journal length mismatch: have %d, want %d", got, exp)
}
// the retrieved value should equal what was set
if got := state.GetTransientState(addr, key); got != value {
t.Fatalf("transient storage mismatch: have %x, want %x", got, value)
}
// revert the transient state being set and then check that the
// value is now the empty hash
state.journal.revert(state, 0)
if got, exp := state.GetTransientState(addr, key), (common.Hash{}); exp != got {
t.Fatalf("transient storage mismatch: have %x, want %x", got, exp)
}
// set transient state and then copy the statedb and ensure that
// the transient state is copied
state.SetTransientState(addr, key, value)
cpy := state.Copy()
if got := cpy.GetTransientState(addr, key); got != value {
t.Fatalf("transient storage mismatch: have %x, want %x", got, value)
}
}

55
core/state/transient_storage.go Normal file
View File

@ -0,0 +1,55 @@
// Copyright 2022 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 state
import (
"github.com/ethereum/go-ethereum/common"
)
// transientStorage is a representation of EIP-1153 "Transient Storage".
type transientStorage map[common.Address]Storage
// newTransientStorage creates a new instance of a transientStorage.
func newTransientStorage() transientStorage {
return make(transientStorage)
}
// Set sets the transient-storage `value` for `key` at the given `addr`.
func (t transientStorage) Set(addr common.Address, key, value common.Hash) {
if _, ok := t[addr]; !ok {
t[addr] = make(Storage)
}
t[addr][key] = value
}
// Get gets the transient storage for `key` at the given `addr`.
func (t transientStorage) Get(addr common.Address, key common.Hash) common.Hash {
val, ok := t[addr]
if !ok {
return common.Hash{}
}
return val[key]
}
// Copy does a deep copy of the transientStorage
func (t transientStorage) Copy() transientStorage {
storage := make(transientStorage)
for key, value := range t {
storage[key] = value.Copy()
}
return storage
}

2
core/state_prefetcher.go
View File

@ -67,7 +67,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
if err != nil {
return // Also invalid block, bail out
}
statedb.Prepare(tx.Hash(), i)
statedb.SetTxContext(tx.Hash(), i)
if err := precacheTransaction(msg, p.config, gaspool, statedb, header, evm); err != nil {
return // Ugh, something went horribly wrong, bail out
}

2
core/state_processor.go
View File

@ -78,7 +78,7 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
if err != nil {
return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
}
statedb.Prepare(tx.Hash(), i)
statedb.SetTxContext(tx.Hash(), i)
receipt, err := applyTransaction(msg, p.config, nil, gp, statedb, blockNumber, blockHash, tx, usedGas, vmenv)
if err != nil {
return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)

9
core/state_transition.go
View File

@ -319,10 +319,11 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
return nil, fmt.Errorf("%w: address %v", ErrInsufficientFundsForTransfer, msg.From().Hex())
}
// Set up the initial access list.
if rules.IsBerlin {
st.state.PrepareAccessList(msg.From(), msg.To(), vm.ActivePrecompiles(rules), msg.AccessList())
}
// Execute the preparatory steps for state transition which includes:
// - prepare accessList(post-berlin)
// - reset transient storage(eip 1153)
st.state.Prepare(rules, msg.From(), msg.To(), vm.ActivePrecompiles(rules), msg.AccessList())
var (
ret []byte
vmerr error // vm errors do not effect consensus and are therefore not assigned to err

41
core/vm/eips.go
View File

@ -20,6 +20,7 @@ import (
"fmt"
"sort"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/params"
"github.com/holiman/uint256"
)
@ -32,6 +33,7 @@ var activators = map[int]func(*JumpTable){
2200: enable2200,
1884: enable1884,
1344: enable1344,
1153: enable1153,
}
// EnableEIP enables the given EIP on the config.
@ -169,6 +171,45 @@ func enable3198(jt *JumpTable) {
}
}
// enable1153 applies EIP-1153 "Transient Storage"
// - Adds TLOAD that reads from transient storage
// - Adds TSTORE that writes to transient storage
func enable1153(jt *JumpTable) {
jt[TLOAD] = &operation{
execute: opTload,
constantGas: params.WarmStorageReadCostEIP2929,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
}
jt[TSTORE] = &operation{
execute: opTstore,
constantGas: params.WarmStorageReadCostEIP2929,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
}
}
// opTload implements TLOAD opcode
func opTload(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
loc := scope.Stack.peek()
hash := common.Hash(loc.Bytes32())
val := interpreter.evm.StateDB.GetTransientState(scope.Contract.Address(), hash)
loc.SetBytes(val.Bytes())
return nil, nil
}
// opTstore implements TSTORE opcode
func opTstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return nil, ErrWriteProtection
}
loc := scope.Stack.pop()
val := scope.Stack.pop()
interpreter.evm.StateDB.SetTransientState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
return nil, nil
}
// opBaseFee implements BASEFEE opcode
func opBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
baseFee, _ := uint256.FromBig(interpreter.evm.Context.BaseFee)

3
core/vm/instructions.go
View File

@ -527,8 +527,7 @@ func opSstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
}
loc := scope.Stack.pop()
val := scope.Stack.pop()
interpreter.evm.StateDB.SetState(scope.Contract.Address(),
loc.Bytes32(), val.Bytes32())
interpreter.evm.StateDB.SetState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
return nil, nil
}

53
core/vm/instructions_test.go
View File

@ -25,6 +25,8 @@ import (
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
"github.com/holiman/uint256"
@ -45,6 +47,14 @@ var alphabetSoup = "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffff
var commonParams []*twoOperandParams
var twoOpMethods map[string]executionFunc
type contractRef struct {
addr common.Address
}
func (c contractRef) Address() common.Address {
return c.addr
}
func init() {
// Params is a list of common edgecases that should be used for some common tests
params := []string{
@ -567,6 +577,49 @@ func BenchmarkOpMstore(bench *testing.B) {
}
}
func TestOpTstore(t *testing.T) {
var (
statedb, _ = state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
env = NewEVM(BlockContext{}, TxContext{}, statedb, params.TestChainConfig, Config{})
stack = newstack()
mem = NewMemory()
evmInterpreter = NewEVMInterpreter(env, env.Config)
caller = common.Address{}
to = common.Address{1}
contractRef = contractRef{caller}
contract = NewContract(contractRef, AccountRef(to), new(big.Int), 0)
scopeContext = ScopeContext{mem, stack, contract}
value = common.Hex2Bytes("abcdef00000000000000abba000000000deaf000000c0de00100000000133700")
)
// Add a stateObject for the caller and the contract being called
statedb.CreateAccount(caller)
statedb.CreateAccount(to)
env.interpreter = evmInterpreter
pc := uint64(0)
// push the value to the stack
stack.push(new(uint256.Int).SetBytes(value))
// push the location to the stack
stack.push(new(uint256.Int))
opTstore(&pc, evmInterpreter, &scopeContext)
// there should be no elements on the stack after TSTORE
if stack.len() != 0 {
t.Fatal("stack wrong size")
}
// push the location to the stack
stack.push(new(uint256.Int))
opTload(&pc, evmInterpreter, &scopeContext)
// there should be one element on the stack after TLOAD
if stack.len() != 1 {
t.Fatal("stack wrong size")
}
val := stack.peek()
if !bytes.Equal(val.Bytes(), value) {
t.Fatal("incorrect element read from transient storage")
}
}
func BenchmarkOpKeccak256(bench *testing.B) {
var (
env = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})

6
core/vm/interface.go
View File

@ -21,6 +21,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
)
// StateDB is an EVM database for full state querying.
@ -47,6 +48,9 @@ type StateDB interface {
GetState(common.Address, common.Hash) common.Hash
SetState(common.Address, common.Hash, common.Hash)
GetTransientState(addr common.Address, key common.Hash) common.Hash
SetTransientState(addr common.Address, key, value common.Hash)
Suicide(common.Address) bool
HasSuicided(common.Address) bool
@ -57,7 +61,6 @@ type StateDB interface {
// is defined according to EIP161 (balance = nonce = code = 0).
Empty(common.Address) bool
PrepareAccessList(sender common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList)
AddressInAccessList(addr common.Address) bool
SlotInAccessList(addr common.Address, slot common.Hash) (addressOk bool, slotOk bool)
// AddAddressToAccessList adds the given address to the access list. This operation is safe to perform
@ -66,6 +69,7 @@ type StateDB interface {
// AddSlotToAccessList adds the given (address,slot) to the access list. This operation is safe to perform
// even if the feature/fork is not active yet
AddSlotToAccessList(addr common.Address, slot common.Hash)
Prepare(rules params.Rules, sender common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList)
RevertToSnapshot(int)
Snapshot() int

12
core/vm/opcodes.go
View File

@ -219,6 +219,12 @@ const (
SELFDESTRUCT OpCode = 0xff
)
// 0xb0 range.
const (
TLOAD OpCode = 0xb3
TSTORE OpCode = 0xb4
)
// Since the opcodes aren't all in order we can't use a regular slice.
var opCodeToString = map[OpCode]string{
// 0x0 range - arithmetic ops.
@ -373,6 +379,10 @@ var opCodeToString = map[OpCode]string{
LOG3: "LOG3",
LOG4: "LOG4",
// 0xb0 range.
TLOAD: "TLOAD",
TSTORE: "TSTORE",
// 0xf0 range.
CREATE: "CREATE",
CALL: "CALL",
@ -463,6 +473,8 @@ var stringToOp = map[string]OpCode{
"GAS": GAS,
"JUMPDEST": JUMPDEST,
"PUSH0": PUSH0,
"TLOAD": TLOAD,
"TSTORE": TSTORE,
"PUSH1": PUSH1,
"PUSH2": PUSH2,
"PUSH3": PUSH3,

36
core/vm/runtime/runtime.go
View File

@ -117,10 +117,13 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
address = common.BytesToAddress([]byte("contract"))
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil)
)
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil); rules.IsBerlin {
cfg.State.PrepareAccessList(cfg.Origin, &address, vm.ActivePrecompiles(rules), nil)
}
// Execute the preparatory steps for state transition which includes:
// - prepare accessList(post-berlin)
// - reset transient storage(eip 1153)
cfg.State.Prepare(rules, cfg.Origin, &address, vm.ActivePrecompiles(rules), nil)
cfg.State.CreateAccount(address)
// set the receiver's (the executing contract) code for execution.
cfg.State.SetCode(address, code)
@ -132,7 +135,6 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
cfg.GasLimit,
cfg.Value,
)
return ret, cfg.State, err
}
@ -149,10 +151,13 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
var (
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil)
)
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil); rules.IsBerlin {
cfg.State.PrepareAccessList(cfg.Origin, nil, vm.ActivePrecompiles(rules), nil)
}
// Execute the preparatory steps for state transition which includes:
// - prepare accessList(post-berlin)
// - reset transient storage(eip 1153)
cfg.State.Prepare(rules, cfg.Origin, nil, vm.ActivePrecompiles(rules), nil)
// Call the code with the given configuration.
code, address, leftOverGas, err := vmenv.Create(
sender,
@ -171,14 +176,17 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, error) {
setDefaults(cfg)
vmenv := NewEnv(cfg)
var (
vmenv = NewEnv(cfg)
sender = cfg.State.GetOrNewStateObject(cfg.Origin)
statedb = cfg.State
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil)
)
// Execute the preparatory steps for state transition which includes:
// - prepare accessList(post-berlin)
// - reset transient storage(eip 1153)
statedb.Prepare(rules, cfg.Origin, &address, vm.ActivePrecompiles(rules), nil)
sender := cfg.State.GetOrNewStateObject(cfg.Origin)
statedb := cfg.State
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil); rules.IsBerlin {
statedb.PrepareAccessList(cfg.Origin, &address, vm.ActivePrecompiles(rules), nil)
}
// Call the code with the given configuration.
ret, leftOverGas, err := vmenv.Call(
sender,

2
eth/state_accessor.go
View File

@ -213,7 +213,7 @@ func (eth *Ethereum) stateAtTransaction(block *types.Block, txIndex int, reexec
}
// Not yet the searched for transaction, execute on top of the current state
vmenv := vm.NewEVM(context, txContext, statedb, eth.blockchain.Config(), vm.Config{})
statedb.Prepare(tx.Hash(), idx)
statedb.SetTxContext(tx.Hash(), idx)
if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
return nil, vm.BlockContext{}, nil, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
}

8
eth/tracers/api.go
View File

@ -552,7 +552,7 @@ func (api *API) IntermediateRoots(ctx context.Context, hash common.Hash, config
txContext = core.NewEVMTxContext(msg)
vmenv = vm.NewEVM(vmctx, txContext, statedb, chainConfig, vm.Config{})
)
statedb.Prepare(tx.Hash(), i)
statedb.SetTxContext(tx.Hash(), i)
if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil {
log.Warn("Tracing intermediate roots did not complete", "txindex", i, "txhash", tx.Hash(), "err", err)
// We intentionally don't return the error here: if we do, then the RPC server will not
@ -647,7 +647,7 @@ func (api *API) traceBlock(ctx context.Context, block *types.Block, config *Trac
// Generate the next state snapshot fast without tracing
msg, _ := tx.AsMessage(signer, block.BaseFee())
statedb.Prepare(tx.Hash(), i)
statedb.SetTxContext(tx.Hash(), i)
vmenv := vm.NewEVM(blockCtx, core.NewEVMTxContext(msg), statedb, api.backend.ChainConfig(), vm.Config{})
if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil {
failed = err
@ -763,7 +763,7 @@ func (api *API) standardTraceBlockToFile(ctx context.Context, block *types.Block
}
// Execute the transaction and flush any traces to disk
vmenv := vm.NewEVM(vmctx, txContext, statedb, chainConfig, vmConf)
statedb.Prepare(tx.Hash(), i)
statedb.SetTxContext(tx.Hash(), i)
_, err = core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas()))
if writer != nil {
writer.Flush()
@ -931,7 +931,7 @@ func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Contex
defer cancel()
// Call Prepare to clear out the statedb access list
statedb.Prepare(txctx.TxHash, txctx.TxIndex)
statedb.SetTxContext(txctx.TxHash, txctx.TxIndex)
if _, err = core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.Gas())); err != nil {
return nil, fmt.Errorf("tracing failed: %w", err)
}

2
les/state_accessor.go
View File

@ -63,7 +63,7 @@ func (leth *LightEthereum) stateAtTransaction(ctx context.Context, block *types.
msg, _ := tx.AsMessage(signer, block.BaseFee())
txContext := core.NewEVMTxContext(msg)
context := core.NewEVMBlockContext(block.Header(), leth.blockchain, nil)
statedb.Prepare(tx.Hash(), idx)
statedb.SetTxContext(tx.Hash(), idx)
if idx == txIndex {
return msg, context, statedb, release, nil
}

2
miner/worker.go
View File

@ -902,7 +902,7 @@ func (w *worker) commitTransactions(env *environment, txs *types.TransactionsByP
continue
}
// Start executing the transaction
env.state.Prepare(tx.Hash(), env.tcount)
env.state.SetTxContext(tx.Hash(), env.tcount)
logs, err := w.commitTransaction(env, tx)
switch {

4
tests/state_test.go
View File

@ -241,9 +241,7 @@ func runBenchmark(b *testing.B, t *StateTest) {
b.ResetTimer()
for n := 0; n < b.N; n++ {
snapshot := statedb.Snapshot()
if rules.IsBerlin {
statedb.PrepareAccessList(msg.From(), msg.To(), vm.ActivePrecompiles(rules), msg.AccessList())
}
statedb.Prepare(rules, msg.From(), msg.To(), vm.ActivePrecompiles(rules), msg.AccessList())
b.StartTimer()
start := time.Now()