core: replace instances of 'suicide' with 'selfdestruct' to improve code consistency. (#27716)

---------
Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: lightclient <14004106+lightclient@users.noreply.github.com>

accounts/abi/bind/backend.go

@@ -29,7 +29,7 @@ import (
 var (
 	// ErrNoCode is returned by call and transact operations for which the requested
 	// recipient contract to operate on does not exist in the state db or does not
-	// have any code associated with it (i.e. suicided).
+	// have any code associated with it (i.e. self-destructed).
 	ErrNoCode = errors.New("no contract code at given address")
 
 	// ErrNoPendingState is raised when attempting to perform a pending state action

cmd/evm/internal/t8ntool/execution.go

@@ -239,7 +239,7 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
 	if miningReward >= 0 {
 		// Add mining reward. The mining reward may be `0`, which only makes a difference in the cases
 		// where
-		// - the coinbase suicided, or
+		// - the coinbase self-destructed, or
 		// - there are only 'bad' transactions, which aren't executed. In those cases,
 		//   the coinbase gets no txfee, so isn't created, and thus needs to be touched
 		var (

core/state/journal.go

@@ -100,9 +100,9 @@ type (
 		prevAccountOrigin      []byte
 		prevStorageOrigin      map[common.Hash][]byte
 	}
-	suicideChange struct {
+	selfDestructChange struct {
 		account     *common.Address
-		prev        bool // whether account had already suicided
+		prev        bool // whether account had already self-destructed
 		prevbalance *big.Int
 	}
 
@@ -184,15 +184,15 @@ func (ch resetObjectChange) dirtied() *common.Address {
 	return ch.account
 }
 
-func (ch suicideChange) revert(s *StateDB) {
+func (ch selfDestructChange) revert(s *StateDB) {
 	obj := s.getStateObject(*ch.account)
 	if obj != nil {
-		obj.suicided = ch.prev
+		obj.selfDestructed = ch.prev
 		obj.setBalance(ch.prevbalance)
 	}
 }
 
-func (ch suicideChange) dirtied() *common.Address {
+func (ch selfDestructChange) dirtied() *common.Address {
 	return ch.account
 }
 

core/state/state_object.go

@@ -78,12 +78,12 @@ type stateObject struct {
 	// Cache flags.
 	dirtyCode bool // true if the code was updated
 
-	// Flag whether the account was marked as suicided. The suicided account
+	// Flag whether the account was marked as self-destructed. The self-destructed account
 	// is still accessible in the scope of same transaction.
-	suicided bool
+	selfDestructed bool
 
-	// Flag whether the account was marked as deleted. The suicided account
-	// or the account is considered as empty will be marked as deleted at
+	// Flag whether the account was marked as deleted. A self-destructed account
+	// or an account that is considered as empty will be marked as deleted at
 	// the end of transaction and no longer accessible anymore.
 	deleted bool
 }
@@ -116,8 +116,8 @@ func (s *stateObject) EncodeRLP(w io.Writer) error {
 	return rlp.Encode(w, &s.data)
 }
 
-func (s *stateObject) markSuicided() {
-	s.suicided = true
+func (s *stateObject) markSelfdestructed() {
+	s.selfDestructed = true
 }
 
 func (s *stateObject) touch() {
@@ -446,7 +446,7 @@ func (s *stateObject) deepCopy(db *StateDB) *stateObject {
 	obj.dirtyStorage = s.dirtyStorage.Copy()
 	obj.originStorage = s.originStorage.Copy()
 	obj.pendingStorage = s.pendingStorage.Copy()
-	obj.suicided = s.suicided
+	obj.selfDestructed = s.selfDestructed
 	obj.dirtyCode = s.dirtyCode
 	obj.deleted = s.deleted
 	return obj

core/state/state_test.go

@@ -208,7 +208,7 @@ func TestSnapshot2(t *testing.T) {
 	so0.SetBalance(big.NewInt(42))
 	so0.SetNonce(43)
 	so0.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e'}), []byte{'c', 'a', 'f', 'e'})
-	so0.suicided = false
+	so0.selfDestructed = false
 	so0.deleted = false
 	state.setStateObject(so0)
 
@@ -220,7 +220,7 @@ func TestSnapshot2(t *testing.T) {
 	so1.SetBalance(big.NewInt(52))
 	so1.SetNonce(53)
 	so1.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e', '2'}), []byte{'c', 'a', 'f', 'e', '2'})
-	so1.suicided = true
+	so1.selfDestructed = true
 	so1.deleted = true
 	state.setStateObject(so1)
 

core/state/statedb.go

@@ -271,7 +271,7 @@ func (s *StateDB) SubRefund(gas uint64) {
 }
 
 // Exist reports whether the given account address exists in the state.
-// Notably this also returns true for suicided accounts.
+// Notably this also returns true for self-destructed accounts.
 func (s *StateDB) Exist(addr common.Address) bool {
 	return s.getStateObject(addr) != nil
 }
@@ -397,10 +397,10 @@ func (s *StateDB) StorageTrie(addr common.Address) (Trie, error) {
 	return cpy.getTrie(s.db)
 }
 
-func (s *StateDB) HasSuicided(addr common.Address) bool {
+func (s *StateDB) HasSelfDestructed(addr common.Address) bool {
 	stateObject := s.getStateObject(addr)
 	if stateObject != nil {
-		return stateObject.suicided
+		return stateObject.selfDestructed
 	}
 	return false
 }
@@ -474,24 +474,23 @@ func (s *StateDB) SetStorage(addr common.Address, storage map[common.Hash]common
 	}
 }
 
-// Suicide marks the given account as suicided.
+// SelfDestruct marks the given account as selfdestructed.
 // This clears the account balance.
 //
 // The account's state object is still available until the state is committed,
-// getStateObject will return a non-nil account after Suicide.
-func (s *StateDB) Suicide(addr common.Address) bool {
+// getStateObject will return a non-nil account after SelfDestruct.
+func (s *StateDB) SelfDestruct(addr common.Address) {
 	stateObject := s.getStateObject(addr)
 	if stateObject == nil {
-		return false
+		return
 	}
-	s.journal.append(suicideChange{
+	s.journal.append(selfDestructChange{
 		account:     &addr,
-		prev:        stateObject.suicided,
+		prev:        stateObject.selfDestructed,
 		prevbalance: new(big.Int).Set(stateObject.Balance()),
 	})
-	stateObject.markSuicided()
+	stateObject.markSelfdestructed()
 	stateObject.data.Balance = new(big.Int)
-	return true
 }
 
 // SetTransientState sets transient storage for a given account. It
@@ -892,7 +891,7 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
 			// Thus, we can safely ignore it here
 			continue
 		}
-		if obj.suicided || (deleteEmptyObjects && obj.empty()) {
+		if obj.selfDestructed || (deleteEmptyObjects && obj.empty()) {
 			obj.deleted = true
 
 			// We need to maintain account deletions explicitly (will remain

core/state/statedb_fuzz_test.go

@@ -95,9 +95,9 @@ func newStateTestAction(addr common.Address, r *rand.Rand, index int) testAction
 			},
 		},
 		{
-			name: "Suicide",
+			name: "Selfdestruct",
 			fn: func(a testAction, s *StateDB) {
-				s.Suicide(addr)
+				s.SelfDestruct(addr)
 			},
 		},
 	}

core/state/statedb_test.go

@@ -301,9 +301,9 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
 			},
 		},
 		{
-			name: "Suicide",
+			name: "SelfDestruct",
 			fn: func(a testAction, s *StateDB) {
-				s.Suicide(addr)
+				s.SelfDestruct(addr)
 			},
 		},
 		{
@@ -453,7 +453,7 @@ func (test *snapshotTest) checkEqual(state, checkstate *StateDB) error {
 		}
 		// Check basic accessor methods.
 		checkeq("Exist", state.Exist(addr), checkstate.Exist(addr))
-		checkeq("HasSuicided", state.HasSuicided(addr), checkstate.HasSuicided(addr))
+		checkeq("HasSelfdestructed", state.HasSelfDestructed(addr), checkstate.HasSelfDestructed(addr))
 		checkeq("GetBalance", state.GetBalance(addr), checkstate.GetBalance(addr))
 		checkeq("GetNonce", state.GetNonce(addr), checkstate.GetNonce(addr))
 		checkeq("GetCode", state.GetCode(addr), checkstate.GetCode(addr))
@@ -727,7 +727,7 @@ func TestDeleteCreateRevert(t *testing.T) {
 	state, _ = New(root, state.db, state.snaps)
 
 	// Simulate self-destructing in one transaction, then create-reverting in another
-	state.Suicide(addr)
+	state.SelfDestruct(addr)
 	state.Finalise(true)
 
 	id := state.Snapshot()

core/vm/gas_table.go

@@ -472,7 +472,7 @@ func gasSelfdestruct(evm *EVM, contract *Contract, stack *Stack, mem *Memory, me
 		}
 	}
 
-	if !evm.StateDB.HasSuicided(contract.Address()) {
+	if !evm.StateDB.HasSelfDestructed(contract.Address()) {
 		evm.StateDB.AddRefund(params.SelfdestructRefundGas)
 	}
 	return gas, nil

core/vm/instructions.go

@@ -408,7 +408,7 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 // emptyCodeHash. If the precompile account is not transferred any amount on a private or
 // customized chain, the return value will be zero.
 //
-//  5. Caller tries to get the code hash for an account which is marked as suicided
+//  5. Caller tries to get the code hash for an account which is marked as self-destructed
 //     in the current transaction, the code hash of this account should be returned.
 //
 //  6. Caller tries to get the code hash for an account which is marked as deleted, this
@@ -821,7 +821,7 @@ func opSelfdestruct(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
 	beneficiary := scope.Stack.pop()
 	balance := interpreter.evm.StateDB.GetBalance(scope.Contract.Address())
 	interpreter.evm.StateDB.AddBalance(beneficiary.Bytes20(), balance)
-	interpreter.evm.StateDB.Suicide(scope.Contract.Address())
+	interpreter.evm.StateDB.SelfDestruct(scope.Contract.Address())
 	if tracer := interpreter.evm.Config.Tracer; tracer != nil {
 		tracer.CaptureEnter(SELFDESTRUCT, scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance)
 		tracer.CaptureExit([]byte{}, 0, nil)

core/vm/interface.go

@@ -51,11 +51,11 @@ type StateDB interface {
 	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
+	SelfDestruct(common.Address)
+	HasSelfDestructed(common.Address) bool
 
 	// Exist reports whether the given account exists in state.
-	// Notably this should also return true for suicided accounts.
+	// Notably this should also return true for self-destructed accounts.
 	Exist(common.Address) bool
 	// Empty returns whether the given account is empty. Empty
 	// is defined according to EIP161 (balance = nonce = code = 0).

core/vm/operations_acl.go

@@ -235,7 +235,7 @@ func makeSelfdestructGasFn(refundsEnabled bool) gasFunc {
 		if evm.StateDB.Empty(address) && evm.StateDB.GetBalance(contract.Address()).Sign() != 0 {
 			gas += params.CreateBySelfdestructGas
 		}
-		if refundsEnabled && !evm.StateDB.HasSuicided(contract.Address()) {
+		if refundsEnabled && !evm.StateDB.HasSelfDestructed(contract.Address()) {
 			evm.StateDB.AddRefund(params.SelfdestructRefundGas)
 		}
 		return gas, nil

eth/tracers/native/call_flat.go

@@ -248,7 +248,7 @@ func flatFromNested(input *callFrame, traceAddress []int, convertErrs bool, ctx
 	case vm.CREATE, vm.CREATE2:
 		frame = newFlatCreate(input)
 	case vm.SELFDESTRUCT:
-		frame = newFlatSuicide(input)
+		frame = newFlatSelfdestruct(input)
 	case vm.CALL, vm.STATICCALL, vm.CALLCODE, vm.DELEGATECALL:
 		frame = newFlatCall(input)
 	default:
@@ -330,7 +330,7 @@ func newFlatCall(input *callFrame) *flatCallFrame {
 	}
 }
 
-func newFlatSuicide(input *callFrame) *flatCallFrame {
+func newFlatSelfdestruct(input *callFrame) *flatCallFrame {
 	return &flatCallFrame{
 		Type: "suicide",
 		Action: flatCallAction{

tests/state_test_util.go

@@ -197,7 +197,7 @@ func (t *StateTest) Run(subtest StateSubtest, vmconfig vm.Config, snapshotter bo
 	}
 	post := t.json.Post[subtest.Fork][subtest.Index]
 	// N.B: We need to do this in a two-step process, because the first Commit takes care
-	// of suicides, and we need to touch the coinbase _after_ it has potentially suicided.
+	// of self-destructs, and we need to touch the coinbase _after_ it has potentially self-destructed.
 	if root != common.Hash(post.Root) {
 		return snaps, statedb, fmt.Errorf("post state root mismatch: got %x, want %x", root, post.Root)
 	}
@@ -275,7 +275,7 @@ func (t *StateTest) RunNoVerify(subtest StateSubtest, vmconfig vm.Config, snapsh
 	}
 	// Add 0-value mining reward. This only makes a difference in the cases
 	// where
-	// - the coinbase suicided, or
+	// - the coinbase self-destructed, or
 	// - there are only 'bad' transactions, which aren't executed. In those cases,
 	//   the coinbase gets no txfee, so isn't created, and thus needs to be touched
 	statedb.AddBalance(block.Coinbase(), new(big.Int))