all: new empty trie with types.EmptyRootHash instead of null

cmd/evm/internal/t8ntool/execution.go

@@ -293,7 +293,7 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
 
 func MakePreState(db ethdb.Database, accounts core.GenesisAlloc) *state.StateDB {
 	sdb := state.NewDatabaseWithConfig(db, &trie.Config{Preimages: true})
-	statedb, _ := state.New(common.Hash{}, sdb, nil)
+	statedb, _ := state.New(types.EmptyRootHash, sdb, nil)
 	for addr, a := range accounts {
 		statedb.SetCode(addr, a.Code)
 		statedb.SetNonce(addr, a.Nonce)

cmd/evm/runner.go

@@ -34,6 +34,7 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"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/core/vm/runtime"
 	"github.com/ethereum/go-ethereum/eth/tracers/logger"
@@ -146,7 +147,7 @@ func runCmd(ctx *cli.Context) error {
 		chainConfig = gen.Config
 	} else {
 		sdb := state.NewDatabaseWithConfig(rawdb.NewMemoryDatabase(), &trie.Config{Preimages: preimages})
-		statedb, _ = state.New(common.Hash{}, sdb, nil)
+		statedb, _ = state.New(types.EmptyRootHash, sdb, nil)
 		genesisConfig = new(core.Genesis)
 	}
 	if ctx.String(SenderFlag.Name) != "" {

core/genesis.go

@@ -120,7 +120,7 @@ func (ga *GenesisAlloc) deriveHash() (common.Hash, error) {
 	// Create an ephemeral in-memory database for computing hash,
 	// all the derived states will be discarded to not pollute disk.
 	db := state.NewDatabase(rawdb.NewMemoryDatabase())
-	statedb, err := state.New(common.Hash{}, db, nil)
+	statedb, err := state.New(types.EmptyRootHash, db, nil)
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -139,7 +139,7 @@ func (ga *GenesisAlloc) deriveHash() (common.Hash, error) {
 // all the generated states will be persisted into the given database.
 // Also, the genesis state specification will be flushed as well.
 func (ga *GenesisAlloc) flush(db ethdb.Database, triedb *trie.Database, blockhash common.Hash) error {
-	statedb, err := state.New(common.Hash{}, state.NewDatabaseWithNodeDB(db, triedb), nil)
+	statedb, err := state.New(types.EmptyRootHash, state.NewDatabaseWithNodeDB(db, triedb), nil)
 	if err != nil {
 		return err
 	}

core/state/state_test.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/trie"
@@ -35,13 +36,13 @@ type stateTest struct {
 
 func newStateTest() *stateTest {
 	db := rawdb.NewMemoryDatabase()
-	sdb, _ := New(common.Hash{}, NewDatabase(db), nil)
+	sdb, _ := New(types.EmptyRootHash, NewDatabase(db), nil)
 	return &stateTest{db: db, state: sdb}
 }
 
 func TestDump(t *testing.T) {
 	db := rawdb.NewMemoryDatabase()
-	sdb, _ := New(common.Hash{}, NewDatabaseWithConfig(db, &trie.Config{Preimages: true}), nil)
+	sdb, _ := New(types.EmptyRootHash, NewDatabaseWithConfig(db, &trie.Config{Preimages: true}), nil)
 	s := &stateTest{db: db, state: sdb}
 
 	// generate a few entries
@@ -150,7 +151,7 @@ func TestSnapshotEmpty(t *testing.T) {
 }
 
 func TestSnapshot2(t *testing.T) {
-	state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 
 	stateobjaddr0 := common.BytesToAddress([]byte("so0"))
 	stateobjaddr1 := common.BytesToAddress([]byte("so1"))

core/state/statedb_test.go

@@ -39,7 +39,7 @@ import (
 func TestUpdateLeaks(t *testing.T) {
 	// Create an empty state database
 	db := rawdb.NewMemoryDatabase()
-	state, _ := New(common.Hash{}, NewDatabase(db), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(db), nil)
 
 	// Update it with some accounts
 	for i := byte(0); i < 255; i++ {
@@ -73,8 +73,8 @@ func TestIntermediateLeaks(t *testing.T) {
 	// Create two state databases, one transitioning to the final state, the other final from the beginning
 	transDb := rawdb.NewMemoryDatabase()
 	finalDb := rawdb.NewMemoryDatabase()
-	transState, _ := New(common.Hash{}, NewDatabase(transDb), nil)
-	finalState, _ := New(common.Hash{}, NewDatabase(finalDb), nil)
+	transState, _ := New(types.EmptyRootHash, NewDatabase(transDb), nil)
+	finalState, _ := New(types.EmptyRootHash, NewDatabase(finalDb), nil)
 
 	modify := func(state *StateDB, addr common.Address, i, tweak byte) {
 		state.SetBalance(addr, big.NewInt(int64(11*i)+int64(tweak)))
@@ -149,7 +149,7 @@ func TestIntermediateLeaks(t *testing.T) {
 // https://github.com/ethereum/go-ethereum/pull/15549.
 func TestCopy(t *testing.T) {
 	// Create a random state test to copy and modify "independently"
-	orig, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	orig, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 
 	for i := byte(0); i < 255; i++ {
 		obj := orig.GetOrNewStateObject(common.BytesToAddress([]byte{i}))
@@ -409,7 +409,7 @@ func (test *snapshotTest) String() string {
 func (test *snapshotTest) run() bool {
 	// Run all actions and create snapshots.
 	var (
-		state, _     = New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+		state, _     = New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 		snapshotRevs = make([]int, len(test.snapshots))
 		sindex       = 0
 	)
@@ -423,7 +423,7 @@ func (test *snapshotTest) run() bool {
 	// Revert all snapshots in reverse order. Each revert must yield a state
 	// that is equivalent to fresh state with all actions up the snapshot applied.
 	for sindex--; sindex >= 0; sindex-- {
-		checkstate, _ := New(common.Hash{}, state.Database(), nil)
+		checkstate, _ := New(types.EmptyRootHash, state.Database(), nil)
 		for _, action := range test.actions[:test.snapshots[sindex]] {
 			action.fn(action, checkstate)
 		}
@@ -501,7 +501,7 @@ func TestTouchDelete(t *testing.T) {
 // TestCopyOfCopy tests that modified objects are carried over to the copy, and the copy of the copy.
 // See https://github.com/ethereum/go-ethereum/pull/15225#issuecomment-380191512
 func TestCopyOfCopy(t *testing.T) {
-	state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	addr := common.HexToAddress("aaaa")
 	state.SetBalance(addr, big.NewInt(42))
 
@@ -518,7 +518,7 @@ func TestCopyOfCopy(t *testing.T) {
 //
 // See https://github.com/ethereum/go-ethereum/issues/20106.
 func TestCopyCommitCopy(t *testing.T) {
-	state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 
 	// Create an account and check if the retrieved balance is correct
 	addr := common.HexToAddress("0xaffeaffeaffeaffeaffeaffeaffeaffeaffeaffe")
@@ -590,7 +590,7 @@ func TestCopyCommitCopy(t *testing.T) {
 //
 // See https://github.com/ethereum/go-ethereum/issues/20106.
 func TestCopyCopyCommitCopy(t *testing.T) {
-	state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 
 	// Create an account and check if the retrieved balance is correct
 	addr := common.HexToAddress("0xaffeaffeaffeaffeaffeaffeaffeaffeaffeaffe")
@@ -680,7 +680,7 @@ func TestCopyCopyCommitCopy(t *testing.T) {
 // first, but the journal wiped the entire state object on create-revert.
 func TestDeleteCreateRevert(t *testing.T) {
 	// Create an initial state with a single contract
-	state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 
 	addr := common.BytesToAddress([]byte("so"))
 	state.SetBalance(addr, big.NewInt(1))
@@ -713,7 +713,7 @@ func TestMissingTrieNodes(t *testing.T) {
 	memDb := rawdb.NewMemoryDatabase()
 	db := NewDatabase(memDb)
 	var root common.Hash
-	state, _ := New(common.Hash{}, db, nil)
+	state, _ := New(types.EmptyRootHash, db, nil)
 	addr := common.BytesToAddress([]byte("so"))
 	{
 		state.SetBalance(addr, big.NewInt(1))
@@ -762,7 +762,7 @@ func TestStateDBAccessList(t *testing.T) {
 
 	memDb := rawdb.NewMemoryDatabase()
 	db := NewDatabase(memDb)
-	state, _ := New(common.Hash{}, db, nil)
+	state, _ := New(types.EmptyRootHash, db, nil)
 	state.accessList = newAccessList()
 
 	verifyAddrs := func(astrings ...string) {
@@ -932,7 +932,7 @@ func TestFlushOrderDataLoss(t *testing.T) {
 	var (
 		memdb    = rawdb.NewMemoryDatabase()
 		statedb  = NewDatabase(memdb)
-		state, _ = New(common.Hash{}, statedb, nil)
+		state, _ = New(types.EmptyRootHash, statedb, nil)
 	)
 	for a := byte(0); a < 10; a++ {
 		state.CreateAccount(common.Address{a})
@@ -968,7 +968,7 @@ func TestFlushOrderDataLoss(t *testing.T) {
 func TestStateDBTransientStorage(t *testing.T) {
 	memDb := rawdb.NewMemoryDatabase()
 	db := NewDatabase(memDb)
-	state, _ := New(common.Hash{}, db, nil)
+	state, _ := New(types.EmptyRootHash, db, nil)
 
 	key := common.Hash{0x01}
 	value := common.Hash{0x02}

core/state/sync_test.go

@@ -43,7 +43,7 @@ func makeTestState() (ethdb.Database, Database, common.Hash, []*testAccount) {
 	// Create an empty state
 	db := rawdb.NewMemoryDatabase()
 	sdb := NewDatabase(db)
-	state, _ := New(common.Hash{}, sdb, nil)
+	state, _ := New(types.EmptyRootHash, sdb, nil)
 
 	// Fill it with some arbitrary data
 	var accounts []*testAccount

core/state/trie_prefetcher_test.go

@@ -23,10 +23,11 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/types"
 )
 
 func filledStateDB() *StateDB {
-	state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
 
 	// Create an account and check if the retrieved balance is correct
 	addr := common.HexToAddress("0xaffeaffeaffeaffeaffeaffeaffeaffeaffeaffe")

core/txpool/txpool2_test.go

@@ -78,7 +78,7 @@ func TestTransactionFutureAttack(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the limit enforcement with
-	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
 	config := testTxPoolConfig
 	config.GlobalQueue = 100
@@ -114,7 +114,7 @@ func TestTransactionFutureAttack(t *testing.T) {
 func TestTransactionFuture1559(t *testing.T) {
 	t.Parallel()
 	// Create the pool to test the pricing enforcement with
-	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
 	pool := NewTxPool(testTxPoolConfig, eip1559Config, blockchain)
 	defer pool.Stop()
@@ -146,7 +146,7 @@ func TestTransactionFuture1559(t *testing.T) {
 func TestTransactionZAttack(t *testing.T) {
 	t.Parallel()
 	// Create the pool to test the pricing enforcement with
-	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
 	pool := NewTxPool(testTxPoolConfig, eip1559Config, blockchain)
 	defer pool.Stop()
@@ -213,7 +213,7 @@ func TestTransactionZAttack(t *testing.T) {
 
 func BenchmarkFutureAttack(b *testing.B) {
 	// Create the pool to test the limit enforcement with
-	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
 	config := testTxPoolConfig
 	config.GlobalQueue = 100