integrate code change reason

cmd/evm/internal/t8ntool/execution.go

@@ -423,7 +423,7 @@ func MakePreState(db ethdb.Database, accounts types.GenesisAlloc) *state.StateDB
 	sdb := state.NewDatabase(tdb, nil)
 	statedb, _ := state.New(types.EmptyRootHash, sdb)
 	for addr, a := range accounts {
-		statedb.SetCode(addr, a.Code)
+		statedb.SetCode(addr, a.Code, tracing.CodeChangeUnspecified)
 		statedb.SetNonce(addr, a.Nonce, tracing.NonceChangeGenesis)
 		statedb.SetBalance(addr, uint256.MustFromBig(a.Balance), tracing.BalanceIncreaseGenesisBalance)
 		for k, v := range a.Storage {

cmd/evm/runner.go

@@ -322,7 +322,7 @@ func runCmd(ctx *cli.Context) error {
 		}
 	} else {
 		if len(code) > 0 {
-			prestate.SetCode(receiver, code)
+			prestate.SetCode(receiver, code, tracing.CodeChangeUnspecified)
 		}
 		execFunc = func() ([]byte, uint64, error) {
 			// don't mutate the state!

core/genesis.go

@@ -153,7 +153,7 @@ func hashAlloc(ga *types.GenesisAlloc, isVerkle bool) (common.Hash, error) {
 		if account.Balance != nil {
 			statedb.AddBalance(addr, uint256.MustFromBig(account.Balance), tracing.BalanceIncreaseGenesisBalance)
 		}
-		statedb.SetCode(addr, account.Code)
+		statedb.SetCode(addr, account.Code, tracing.CodeChangeGenesis)
 		statedb.SetNonce(addr, account.Nonce, tracing.NonceChangeGenesis)
 		for key, value := range account.Storage {
 			statedb.SetState(addr, key, value)
@@ -179,7 +179,7 @@ func flushAlloc(ga *types.GenesisAlloc, triedb *triedb.Database) (common.Hash, e
 			// already captures the allocations.
 			statedb.AddBalance(addr, uint256.MustFromBig(account.Balance), tracing.BalanceIncreaseGenesisBalance)
 		}
-		statedb.SetCode(addr, account.Code)
+		statedb.SetCode(addr, account.Code, tracing.CodeChangeGenesis)
 		statedb.SetNonce(addr, account.Nonce, tracing.NonceChangeGenesis)
 		for key, value := range account.Storage {
 			statedb.SetState(addr, key, value)

core/state/statedb.go

@@ -458,7 +458,7 @@ func (s *StateDB) SetNonce(addr common.Address, nonce uint64, reason tracing.Non
 	}
 }
 
-func (s *StateDB) SetCode(addr common.Address, code []byte) (prev []byte) {
+func (s *StateDB) SetCode(addr common.Address, code []byte, reason tracing.CodeChangeReason) (prev []byte) {
 	stateObject := s.getOrNewStateObject(addr)
 	if stateObject != nil {
 		return stateObject.SetCode(crypto.Keccak256Hash(code), code)

core/state/statedb_fuzz_test.go

@@ -89,7 +89,7 @@ func newStateTestAction(addr common.Address, r *rand.Rand, index int) testAction
 				code := make([]byte, 16)
 				binary.BigEndian.PutUint64(code, uint64(a.args[0]))
 				binary.BigEndian.PutUint64(code[8:], uint64(a.args[1]))
-				s.SetCode(addr, code)
+				s.SetCode(addr, code, tracing.CodeChangeUnspecified)
 			},
 			args: make([]int64, 2),
 		},

core/state/statedb_hooked.go

@@ -189,14 +189,20 @@ func (s *hookedStateDB) SetNonce(address common.Address, nonce uint64, reason tr
 	}
 }
 
-func (s *hookedStateDB) SetCode(address common.Address, code []byte) []byte {
+func (s *hookedStateDB) SetCode(address common.Address, code []byte, reason tracing.CodeChangeReason) []byte {
-	prev := s.inner.SetCode(address, code)
+	prev := s.inner.SetCode(address, code, reason)
-	if s.hooks.OnCodeChange != nil {
+	if s.hooks.OnCodeChangeV2 != nil || s.hooks.OnCodeChange != nil {
 		prevHash := types.EmptyCodeHash
 		if len(prev) != 0 {
 			prevHash = crypto.Keccak256Hash(prev)
 		}
-		s.hooks.OnCodeChange(address, prevHash, prev, crypto.Keccak256Hash(code), code)
+		codeHash := crypto.Keccak256Hash(code)
+
+		if s.hooks.OnCodeChangeV2 != nil {
+			s.hooks.OnCodeChangeV2(address, prevHash, prev, codeHash, code, reason)
+		} else if s.hooks.OnCodeChange != nil {
+			s.hooks.OnCodeChange(address, prevHash, prev, codeHash, code)
+		}
 	}
 	return prev
 }
@@ -224,9 +230,13 @@ func (s *hookedStateDB) SelfDestruct(address common.Address) uint256.Int {
 		s.hooks.OnBalanceChange(address, prev.ToBig(), new(big.Int), tracing.BalanceDecreaseSelfdestruct)
 	}
 
-	if s.hooks.OnCodeChange != nil && len(prevCode) > 0 {
+	if len(prevCode) > 0 {
+		if s.hooks.OnCodeChangeV2 != nil {
+			s.hooks.OnCodeChangeV2(address, prevCodeHash, prevCode, types.EmptyCodeHash, nil, tracing.CodeChangeSelfDestruct)
+		} else if s.hooks.OnCodeChange != nil {
 			s.hooks.OnCodeChange(address, prevCodeHash, prevCode, types.EmptyCodeHash, nil)
 		}
+	}
 
 	return prev
 }
@@ -246,9 +256,13 @@ func (s *hookedStateDB) SelfDestruct6780(address common.Address) (uint256.Int, b
 		s.hooks.OnBalanceChange(address, prev.ToBig(), new(big.Int), tracing.BalanceDecreaseSelfdestruct)
 	}
 
-	if s.hooks.OnCodeChange != nil && changed && len(prevCode) > 0 {
+	if changed && len(prevCode) > 0 {
+		if s.hooks.OnCodeChangeV2 != nil {
+			s.hooks.OnCodeChangeV2(address, prevCodeHash, prevCode, types.EmptyCodeHash, nil, tracing.CodeChangeSelfDestruct)
+		} else if s.hooks.OnCodeChange != nil {
 			s.hooks.OnCodeChange(address, prevCodeHash, prevCode, types.EmptyCodeHash, nil)
 		}
+	}
 
 	return prev, changed
 }

core/state/statedb_hooked_test.go

@@ -114,7 +114,7 @@ func TestHooks(t *testing.T) {
 	sdb.AddBalance(common.Address{0xaa}, uint256.NewInt(100), tracing.BalanceChangeUnspecified)
 	sdb.SubBalance(common.Address{0xaa}, uint256.NewInt(50), tracing.BalanceChangeTransfer)
 	sdb.SetNonce(common.Address{0xaa}, 1337, tracing.NonceChangeGenesis)
-	sdb.SetCode(common.Address{0xaa}, []byte{0x13, 37})
+	sdb.SetCode(common.Address{0xaa}, []byte{0x13, 37}, tracing.CodeChangeUnspecified)
 	sdb.SetState(common.Address{0xaa}, common.HexToHash("0x01"), common.HexToHash("0x11"))
 	sdb.SetState(common.Address{0xaa}, common.HexToHash("0x01"), common.HexToHash("0x22"))
 	sdb.SetTransientState(common.Address{0xaa}, common.HexToHash("0x02"), common.HexToHash("0x01"))

core/state/statedb_test.go

@@ -65,7 +65,7 @@ func TestUpdateLeaks(t *testing.T) {
 			state.SetState(addr, common.BytesToHash([]byte{i, i, i}), common.BytesToHash([]byte{i, i, i, i}))
 		}
 		if i%3 == 0 {
-			state.SetCode(addr, []byte{i, i, i, i, i})
+			state.SetCode(addr, []byte{i, i, i, i, i}, tracing.CodeChangeUnspecified)
 		}
 	}
 
@@ -101,7 +101,7 @@ func TestIntermediateLeaks(t *testing.T) {
 			state.SetState(addr, common.Hash{i, i, i, tweak}, common.Hash{i, i, i, i, tweak})
 		}
 		if i%3 == 0 {
-			state.SetCode(addr, []byte{i, i, i, i, i, tweak})
+			state.SetCode(addr, []byte{i, i, i, i, i, tweak}, tracing.CodeChangeUnspecified)
 		}
 	}
 
@@ -374,7 +374,7 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
 				code := make([]byte, 16)
 				binary.BigEndian.PutUint64(code, uint64(a.args[0]))
 				binary.BigEndian.PutUint64(code[8:], uint64(a.args[1]))
-				s.SetCode(addr, code)
+				s.SetCode(addr, code, tracing.CodeChangeUnspecified)
 			},
 			args: make([]int64, 2),
 		},
@@ -403,7 +403,7 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
 					// which would cause a difference in state when unrolling
 					// the journal. (CreateContact assumes created was false prior to
 					// invocation, and the journal rollback sets it to false).
-					s.SetCode(addr, []byte{1})
+					s.SetCode(addr, []byte{1}, tracing.CodeChangeUnspecified)
 				}
 			},
 		},
@@ -731,7 +731,7 @@ func TestCopyCommitCopy(t *testing.T) {
 	sval := common.HexToHash("bbb")
 
 	state.SetBalance(addr, uint256.NewInt(42), tracing.BalanceChangeUnspecified) // Change the account trie
-	state.SetCode(addr, []byte("hello"))                                         // Change an external metadata
+	state.SetCode(addr, []byte("hello"), tracing.CodeChangeUnspecified)                                         // Change an external metadata
 	state.SetState(addr, skey, sval)                                             // Change the storage trie
 
 	if balance := state.GetBalance(addr); balance.Cmp(uint256.NewInt(42)) != 0 {
@@ -804,7 +804,7 @@ func TestCopyCopyCommitCopy(t *testing.T) {
 	sval := common.HexToHash("bbb")
 
 	state.SetBalance(addr, uint256.NewInt(42), tracing.BalanceChangeUnspecified) // Change the account trie
-	state.SetCode(addr, []byte("hello"))                                         // Change an external metadata
+	state.SetCode(addr, []byte("hello"), tracing.CodeChangeUnspecified)                                         // Change an external metadata
 	state.SetState(addr, skey, sval)                                             // Change the storage trie
 
 	if balance := state.GetBalance(addr); balance.Cmp(uint256.NewInt(42)) != 0 {
@@ -874,7 +874,7 @@ func TestCommitCopy(t *testing.T) {
 	sval1, sval2 := common.HexToHash("b1"), common.HexToHash("b2")
 
 	state.SetBalance(addr, uint256.NewInt(42), tracing.BalanceChangeUnspecified) // Change the account trie
-	state.SetCode(addr, []byte("hello"))                                         // Change an external metadata
+	state.SetCode(addr, []byte("hello"), tracing.CodeChangeUnspecified)                                         // Change an external metadata
 	state.SetState(addr, skey1, sval1)                                           // Change the storage trie
 
 	if balance := state.GetBalance(addr); balance.Cmp(uint256.NewInt(42)) != 0 {
@@ -987,10 +987,10 @@ func testMissingTrieNodes(t *testing.T, scheme string) {
 	addr := common.BytesToAddress([]byte("so"))
 	{
 		state.SetBalance(addr, uint256.NewInt(1), tracing.BalanceChangeUnspecified)
-		state.SetCode(addr, []byte{1, 2, 3})
+		state.SetCode(addr, []byte{1, 2, 3}, tracing.CodeChangeUnspecified)
 		a2 := common.BytesToAddress([]byte("another"))
 		state.SetBalance(a2, uint256.NewInt(100), tracing.BalanceChangeUnspecified)
-		state.SetCode(a2, []byte{1, 2, 4})
+		state.SetCode(a2, []byte{1, 2, 4}, tracing.CodeChangeUnspecified)
 		root, _ = state.Commit(0, false, false)
 		t.Logf("root: %x", root)
 		// force-flush

core/state/trie_prefetcher_test.go

@@ -39,7 +39,7 @@ func filledStateDB() *StateDB {
 	sval := common.HexToHash("bbb")
 
 	state.SetBalance(addr, uint256.NewInt(42), tracing.BalanceChangeUnspecified) // Change the account trie
-	state.SetCode(addr, []byte("hello"))                                         // Change an external metadata
+	state.SetCode(addr, []byte("hello"), tracing.CodeChangeUnspecified)                                         // Change an external metadata
 	state.SetState(addr, skey, sval)                                             // Change the storage trie
 	for i := 0; i < 100; i++ {
 		sk := common.BigToHash(big.NewInt(int64(i)))
@@ -81,7 +81,7 @@ func TestVerklePrefetcher(t *testing.T) {
 	sval := testrand.Hash()
 
 	state.SetBalance(addr, uint256.NewInt(42), tracing.BalanceChangeUnspecified) // Change the account trie
-	state.SetCode(addr, []byte("hello"))                                         // Change an external metadata
+	state.SetCode(addr, []byte("hello"), tracing.CodeChangeUnspecified)                                         // Change an external metadata
 	state.SetState(addr, skey, sval)                                             // Change the storage trie
 	root, _ := state.Commit(0, true, false)
 

core/state_transition.go

@@ -617,12 +617,12 @@ func (st *stateTransition) applyAuthorization(auth *types.SetCodeAuthorization)
 	st.state.SetNonce(authority, auth.Nonce+1, tracing.NonceChangeAuthorization)
 	if auth.Address == (common.Address{}) {
 		// Delegation to zero address means clear.
-		st.state.SetCode(authority, nil)
+		st.state.SetCode(authority, nil, tracing.CodeChangeAuthorizationClear)
 		return nil
 	}
 
 	// Otherwise install delegation to auth.Address.
-	st.state.SetCode(authority, types.AddressToDelegation(auth.Address))
+	st.state.SetCode(authority, types.AddressToDelegation(auth.Address), tracing.CodeChangeAuthorization)
 
 	return nil
 }

core/tracing/journal.go

@@ -42,12 +42,15 @@ func WrapWithJournal(hooks *Hooks) (*Hooks, error) {
 		return nil, errors.New("wrapping nil tracer")
 	}
 	// No state change to journal, return the wrapped hooks as is
-	if hooks.OnBalanceChange == nil && hooks.OnNonceChange == nil && hooks.OnNonceChangeV2 == nil && hooks.OnCodeChange == nil && hooks.OnStorageChange == nil {
+	if hooks.OnBalanceChange == nil && hooks.OnNonceChange == nil && hooks.OnNonceChangeV2 == nil && hooks.OnCodeChange == nil && hooks.OnCodeChangeV2 == nil && hooks.OnStorageChange == nil {
 		return hooks, nil
 	}
 	if hooks.OnNonceChange != nil && hooks.OnNonceChangeV2 != nil {
 		return nil, errors.New("cannot have both OnNonceChange and OnNonceChangeV2")
 	}
+	if hooks.OnCodeChange != nil && hooks.OnCodeChangeV2 != nil {
+		return nil, errors.New("cannot have both OnCodeChange and OnCodeChangeV2")
+	}
 
 	// Create a new Hooks instance and copy all hooks
 	wrapped := *hooks
@@ -72,6 +75,9 @@ func WrapWithJournal(hooks *Hooks) (*Hooks, error) {
 	if hooks.OnCodeChange != nil {
 		wrapped.OnCodeChange = j.OnCodeChange
 	}
+	if hooks.OnCodeChangeV2 != nil {
+		wrapped.OnCodeChangeV2 = j.OnCodeChangeV2
+	}
 	if hooks.OnStorageChange != nil {
 		wrapped.OnStorageChange = j.OnStorageChange
 	}
@@ -174,6 +180,19 @@ func (j *journal) OnCodeChange(addr common.Address, prevCodeHash common.Hash, pr
 	}
 }
 
+func (j *journal) OnCodeChangeV2(addr common.Address, prevCodeHash common.Hash, prevCode []byte, codeHash common.Hash, code []byte, reason CodeChangeReason) {
+	j.entries = append(j.entries, codeChange{
+		addr:         addr,
+		prevCodeHash: prevCodeHash,
+		prevCode:     prevCode,
+		newCodeHash:  codeHash,
+		newCode:      code,
+	})
+	if j.hooks.OnCodeChangeV2 != nil {
+		j.hooks.OnCodeChangeV2(addr, prevCodeHash, prevCode, codeHash, code, reason)
+	}
+}
+
 func (j *journal) OnStorageChange(addr common.Address, slot common.Hash, prev, new common.Hash) {
 	j.entries = append(j.entries, storageChange{addr: addr, slot: slot, prev: prev, new: new})
 	if j.hooks.OnStorageChange != nil {
@@ -225,7 +244,9 @@ func (n nonceChange) revert(hooks *Hooks) {
 }
 
 func (c codeChange) revert(hooks *Hooks) {
-	if hooks.OnCodeChange != nil {
+	if hooks.OnCodeChangeV2 != nil {
+		hooks.OnCodeChangeV2(c.addr, c.newCodeHash, c.newCode, c.prevCodeHash, c.prevCode, CodeChangeRevert)
+	} else if hooks.OnCodeChange != nil {
 		hooks.OnCodeChange(c.addr, c.newCodeHash, c.newCode, c.prevCodeHash, c.prevCode)
 	}
 }

core/txpool/legacypool/legacypool_test.go

@@ -2292,8 +2292,8 @@ func TestSetCodeTransactions(t *testing.T) {
 			pending: 1,
 			run: func(name string) {
 				aa := common.Address{0xaa, 0xaa}
-				statedb.SetCode(addrA, append(types.DelegationPrefix, aa.Bytes()...))
+				statedb.SetCode(addrA, append(types.DelegationPrefix, aa.Bytes()...), tracing.CodeChangeUnspecified)
-				statedb.SetCode(aa, []byte{byte(vm.ADDRESS), byte(vm.PUSH0), byte(vm.SSTORE)})
+				statedb.SetCode(aa, []byte{byte(vm.ADDRESS), byte(vm.PUSH0), byte(vm.SSTORE)}, tracing.CodeChangeUnspecified)
 
 				// Send gapped transaction, it should be rejected.
 				if err := pool.addRemoteSync(pricedTransaction(2, 100000, big.NewInt(1), keyA)); !errors.Is(err, ErrOutOfOrderTxFromDelegated) {
@@ -2317,7 +2317,7 @@ func TestSetCodeTransactions(t *testing.T) {
 				}
 
 				// Reset the delegation, avoid leaking state into the other tests
-				statedb.SetCode(addrA, nil)
+				statedb.SetCode(addrA, nil, tracing.CodeChangeUnspecified)
 			},
 		},
 		{
@@ -2583,7 +2583,7 @@ func TestSetCodeTransactionsReorg(t *testing.T) {
 	}
 	// Simulate the chain moving
 	blockchain.statedb.SetNonce(addrA, 1, tracing.NonceChangeAuthorization)
-	blockchain.statedb.SetCode(addrA, types.AddressToDelegation(auth.Address))
+	blockchain.statedb.SetCode(addrA, types.AddressToDelegation(auth.Address), tracing.CodeChangeUnspecified)
 	<-pool.requestReset(nil, nil)
 	// Set an authorization for 0x00
 	auth, _ = types.SignSetCode(keyA, types.SetCodeAuthorization{
@@ -2601,7 +2601,7 @@ func TestSetCodeTransactionsReorg(t *testing.T) {
 	}
 	// Simulate the chain moving
 	blockchain.statedb.SetNonce(addrA, 2, tracing.NonceChangeAuthorization)
-	blockchain.statedb.SetCode(addrA, nil)
+	blockchain.statedb.SetCode(addrA, nil, tracing.CodeChangeUnspecified)
 	<-pool.requestReset(nil, nil)
 	// Now send two transactions from addrA
 	if err := pool.addRemoteSync(pricedTransaction(2, 100000, big.NewInt(1000), keyA)); err != nil {

core/verkle_witness_test.go

@@ -232,7 +232,7 @@ func TestProcessParentBlockHash(t *testing.T) {
 	// etc
 	checkBlockHashes := func(statedb *state.StateDB, isVerkle bool) {
 		statedb.SetNonce(params.HistoryStorageAddress, 1, tracing.NonceChangeUnspecified)
-		statedb.SetCode(params.HistoryStorageAddress, params.HistoryStorageCode)
+		statedb.SetCode(params.HistoryStorageAddress, params.HistoryStorageCode, tracing.CodeChangeUnspecified)
 		// Process n blocks, from 1 .. num
 		var num = 2
 		for i := 1; i <= num; i++ {

core/vm/evm.go

@@ -601,7 +601,7 @@ func (evm *EVM) initNewContract(contract *Contract, address common.Address) ([]b
 		}
 	}
 
-	evm.StateDB.SetCode(address, ret)
+	evm.StateDB.SetCode(address, ret, tracing.CodeChangeContractCreation)
 	return ret, nil
 }
 

core/vm/gas_table_test.go

@@ -27,6 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/tracing"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/holiman/uint256"
@@ -87,7 +88,7 @@ func TestEIP2200(t *testing.T) {
 
 		statedb, _ := state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
 		statedb.CreateAccount(address)
-		statedb.SetCode(address, hexutil.MustDecode(tt.input))
+		statedb.SetCode(address, hexutil.MustDecode(tt.input), tracing.CodeChangeUnspecified)
 		statedb.SetState(address, common.Hash{}, common.BytesToHash([]byte{tt.original}))
 		statedb.Finalise(true) // Push the state into the "original" slot
 
@@ -139,7 +140,7 @@ func TestCreateGas(t *testing.T) {
 			address := common.BytesToAddress([]byte("contract"))
 			statedb, _ := state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
 			statedb.CreateAccount(address)
-			statedb.SetCode(address, hexutil.MustDecode(tt.code))
+			statedb.SetCode(address, hexutil.MustDecode(tt.code), tracing.CodeChangeUnspecified)
 			statedb.Finalise(true)
 			vmctx := BlockContext{
 				CanTransfer: func(StateDB, common.Address, *uint256.Int) bool { return true },

core/vm/interface.go

@@ -43,7 +43,7 @@ type StateDB interface {
 	GetCode(common.Address) []byte
 
 	// SetCode sets the new code for the address, and returns the previous code, if any.
-	SetCode(common.Address, []byte) []byte
+	SetCode(common.Address, []byte, tracing.CodeChangeReason) []byte
 	GetCodeSize(common.Address) int
 
 	AddRefund(uint64)

core/vm/interpreter_test.go

@@ -24,6 +24,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/tracing"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/holiman/uint256"
@@ -45,7 +46,7 @@ func TestLoopInterrupt(t *testing.T) {
 	for i, tt := range loopInterruptTests {
 		statedb, _ := state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
 		statedb.CreateAccount(address)
-		statedb.SetCode(address, common.Hex2Bytes(tt))
+		statedb.SetCode(address, common.Hex2Bytes(tt), tracing.CodeChangeUnspecified)
 		statedb.Finalise(true)
 
 		evm := NewEVM(vmctx, statedb, params.AllEthashProtocolChanges, Config{})

core/vm/runtime/runtime.go

@@ -139,7 +139,7 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
 	cfg.State.Prepare(rules, cfg.Origin, cfg.Coinbase, &address, vm.ActivePrecompiles(rules), nil)
 	cfg.State.CreateAccount(address)
 	// set the receiver's (the executing contract) code for execution.
-	cfg.State.SetCode(address, code)
+	cfg.State.SetCode(address, code, tracing.CodeChangeUnspecified)
 	// Call the code with the given configuration.
 	ret, leftOverGas, err := vmenv.Call(
 		cfg.Origin,

core/vm/runtime/runtime_test.go

@@ -114,7 +114,7 @@ func TestCall(t *testing.T) {
 		byte(vm.PUSH1), 32,
 		byte(vm.PUSH1), 0,
 		byte(vm.RETURN),
-	})
+	}, tracing.CodeChangeUnspecified)
 
 	ret, _, err := Call(address, nil, &Config{State: state})
 	if err != nil {
@@ -167,7 +167,7 @@ func benchmarkEVM_Create(bench *testing.B, code string) {
 	)
 
 	statedb.CreateAccount(sender)
-	statedb.SetCode(receiver, common.FromHex(code))
+	statedb.SetCode(receiver, common.FromHex(code), tracing.CodeChangeUnspecified)
 	runtimeConfig := Config{
 		Origin:      sender,
 		State:       statedb,
@@ -232,7 +232,7 @@ func BenchmarkEVM_SWAP1(b *testing.B) {
 
 	b.Run("10k", func(b *testing.B) {
 		contractCode := swapContract(10_000)
-		state.SetCode(contractAddr, contractCode)
+		state.SetCode(contractAddr, contractCode, tracing.CodeChangeUnspecified)
 
 		for i := 0; i < b.N; i++ {
 			_, _, err := Call(contractAddr, []byte{}, &Config{State: state})
@@ -263,7 +263,7 @@ func BenchmarkEVM_RETURN(b *testing.B) {
 			b.ReportAllocs()
 
 			contractCode := returnContract(n)
-			state.SetCode(contractAddr, contractCode)
+			state.SetCode(contractAddr, contractCode, tracing.CodeChangeUnspecified)
 
 			for i := 0; i < b.N; i++ {
 				ret, _, err := Call(contractAddr, []byte{}, &Config{State: state})
@@ -422,12 +422,12 @@ func benchmarkNonModifyingCode(gas uint64, code []byte, name string, tracerCode
 			byte(vm.PUSH1), 0x00,
 			byte(vm.PUSH1), 0x00,
 			byte(vm.REVERT),
-		})
+		}, tracing.CodeChangeUnspecified)
 	}
 
 	//cfg.State.CreateAccount(cfg.Origin)
 	// set the receiver's (the executing contract) code for execution.
-	cfg.State.SetCode(destination, code)
+	cfg.State.SetCode(destination, code, tracing.CodeChangeUnspecified)
 	Call(destination, nil, cfg)
 
 	b.Run(name, func(b *testing.B) {
@@ -772,12 +772,12 @@ func TestRuntimeJSTracer(t *testing.T) {
 	for i, jsTracer := range jsTracers {
 		for j, tc := range tests {
 			statedb, _ := state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
-			statedb.SetCode(main, tc.code)
+			statedb.SetCode(main, tc.code, tracing.CodeChangeUnspecified)
-			statedb.SetCode(common.HexToAddress("0xbb"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xbb"), calleeCode, tracing.CodeChangeUnspecified)
-			statedb.SetCode(common.HexToAddress("0xcc"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xcc"), calleeCode, tracing.CodeChangeUnspecified)
-			statedb.SetCode(common.HexToAddress("0xdd"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xdd"), calleeCode, tracing.CodeChangeUnspecified)
-			statedb.SetCode(common.HexToAddress("0xee"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xee"), calleeCode, tracing.CodeChangeUnspecified)
-			statedb.SetCode(common.HexToAddress("0xff"), suicideCode)
+			statedb.SetCode(common.HexToAddress("0xff"), suicideCode, tracing.CodeChangeUnspecified)
 
 			tracer, err := tracers.DefaultDirectory.New(jsTracer, new(tracers.Context), nil, params.MergedTestChainConfig)
 			if err != nil {
@@ -862,8 +862,8 @@ func BenchmarkTracerStepVsCallFrame(b *testing.B) {
 // delegation designator incurs the correct amount of gas based on the tracer.
 func TestDelegatedAccountAccessCost(t *testing.T) {
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
-	statedb.SetCode(common.HexToAddress("0xff"), types.AddressToDelegation(common.HexToAddress("0xaa")))
+	statedb.SetCode(common.HexToAddress("0xff"), types.AddressToDelegation(common.HexToAddress("0xaa")), tracing.CodeChangeUnspecified)
-	statedb.SetCode(common.HexToAddress("0xaa"), program.New().Return(0, 0).Bytes())
+	statedb.SetCode(common.HexToAddress("0xaa"), program.New().Return(0, 0).Bytes(), tracing.CodeChangeUnspecified)
 
 	for i, tc := range []struct {
 		code []byte

internal/ethapi/override/override.go

@@ -91,7 +91,7 @@ func (diff *StateOverride) Apply(statedb *state.StateDB, precompiles vm.Precompi
 		}
 		// Override account(contract) code.
 		if account.Code != nil {
-			statedb.SetCode(addr, *account.Code)
+			statedb.SetCode(addr, *account.Code, tracing.CodeChangeUnspecified)
 		}
 		// Override account balance.
 		if account.Balance != nil {

tests/state_test_util.go

@@ -511,7 +511,7 @@ func MakePreState(db ethdb.Database, accounts types.GenesisAlloc, snapshotter bo
 	sdb := state.NewDatabase(triedb, nil)
 	statedb, _ := state.New(types.EmptyRootHash, sdb)
 	for addr, a := range accounts {
-		statedb.SetCode(addr, a.Code)
+		statedb.SetCode(addr, a.Code, tracing.CodeChangeUnspecified)
 		statedb.SetNonce(addr, a.Nonce, tracing.NonceChangeUnspecified)
 		statedb.SetBalance(addr, uint256.MustFromBig(a.Balance), tracing.BalanceChangeUnspecified)
 		for k, v := range a.Storage {