core/vm: remove setCodeOptionalHash

core/vm/contract.go

@@ -162,10 +162,3 @@ func (c *Contract) SetCallCode(hash common.Hash, code []byte) {
 	c.Code = code
 	c.CodeHash = hash
 }
-
-// SetCodeOptionalHash can be used to provide code, but it's optional to provide hash.
-// In case hash is not provided, the jumpdest analysis will not be saved to the parent context
-func (c *Contract) SetCodeOptionalHash(codeAndHash *codeAndHash) {
-	c.Code = codeAndHash.code
-	c.CodeHash = codeAndHash.hash
-}

core/vm/evm.go

@@ -404,22 +404,10 @@ func (evm *EVM) StaticCall(caller common.Address, addr common.Address, input []b
 	return ret, gas, err
 }
 
-type codeAndHash struct {
-	code []byte
-	hash common.Hash
-}
-
-func (c *codeAndHash) Hash() common.Hash {
-	if c.hash == (common.Hash{}) {
-		c.hash = crypto.Keccak256Hash(c.code)
-	}
-	return c.hash
-}
-
 // create creates a new contract using code as deployment code.
-func (evm *EVM) create(caller common.Address, codeAndHash *codeAndHash, gas uint64, value *uint256.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftOverGas uint64, err error) {
+func (evm *EVM) create(caller common.Address, code []byte, gas uint64, value *uint256.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftOverGas uint64, err error) {
 	if evm.Config.Tracer != nil {
-		evm.captureBegin(evm.depth, typ, caller, address, codeAndHash.code, gas, value.ToBig())
+		evm.captureBegin(evm.depth, typ, caller, address, code, gas, value.ToBig())
 		defer func(startGas uint64) {
 			evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
 		}(gas)
@@ -502,10 +490,13 @@ func (evm *EVM) create(caller common.Address, codeAndHash *codeAndHash, gas uint
 	// Initialise a new contract and set the code that is to be used by the EVM.
 	// The contract is a scoped environment for this execution context only.
 	contract := NewContract(caller, address, value, gas, evm.jumpDests)
-	contract.SetCodeOptionalHash(codeAndHash)
+
+	// Explicitly set the code to a null hash to prevent caching of jump analysis
+	// for the initialization code.
+	contract.SetCallCode(common.Hash{}, code)
 	contract.IsDeployment = true
 
-	ret, err = evm.initNewContract(contract, address, value)
+	ret, err = evm.initNewContract(contract, address)
 	if err != nil && (evm.chainRules.IsHomestead || err != ErrCodeStoreOutOfGas) {
 		evm.StateDB.RevertToSnapshot(snapshot)
 		if err != ErrExecutionReverted {
@@ -517,7 +508,7 @@ func (evm *EVM) create(caller common.Address, codeAndHash *codeAndHash, gas uint
 
 // initNewContract runs a new contract's creation code, performs checks on the
 // resulting code that is to be deployed, and consumes necessary gas.
-func (evm *EVM) initNewContract(contract *Contract, address common.Address, value *uint256.Int) ([]byte, error) {
+func (evm *EVM) initNewContract(contract *Contract, address common.Address) ([]byte, error) {
 	ret, err := evm.interpreter.Run(contract, nil, false)
 	if err != nil {
 		return ret, err
@@ -551,7 +542,7 @@ func (evm *EVM) initNewContract(contract *Contract, address common.Address, valu
 // Create creates a new contract using code as deployment code.
 func (evm *EVM) Create(caller common.Address, code []byte, gas uint64, value *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
 	contractAddr = crypto.CreateAddress(caller, evm.StateDB.GetNonce(caller))
-	return evm.create(caller, &codeAndHash{code: code}, gas, value, contractAddr, CREATE)
+	return evm.create(caller, code, gas, value, contractAddr, CREATE)
 }
 
 // Create2 creates a new contract using code as deployment code.
@@ -559,9 +550,8 @@ func (evm *EVM) Create(caller common.Address, code []byte, gas uint64, value *ui
 // The different between Create2 with Create is Create2 uses keccak256(0xff ++ msg.sender ++ salt ++ keccak256(init_code))[12:]
 // instead of the usual sender-and-nonce-hash as the address where the contract is initialized at.
 func (evm *EVM) Create2(caller common.Address, code []byte, gas uint64, endowment *uint256.Int, salt *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
-	codeAndHash := &codeAndHash{code: code}
-	contractAddr = crypto.CreateAddress2(caller, salt.Bytes32(), codeAndHash.Hash().Bytes())
-	return evm.create(caller, codeAndHash, gas, endowment, contractAddr, CREATE2)
+	contractAddr = crypto.CreateAddress2(caller, salt.Bytes32(), crypto.Keccak256(code))
+	return evm.create(caller, code, gas, endowment, contractAddr, CREATE2)
 }
 
 // resolveCode returns the code associated with the provided account. After