core: implement Metropolis EIP 658, receipt status byte

2 files changed, 6 insertions, 2 deletions

diff --git a/core/vm/evm.go b/core/vm/evm.go
index 8d654c666..34933a1dc 100644
--- a/core/vm/evm.go
+++ b/core/vm/evm.go
@@ -158,7 +158,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
 	evm.Transfer(evm.StateDB, caller.Address(), to.Address(), value)
 
 	// initialise a new contract and set the code that is to be used by the
-	// E The contract is a scoped evmironment for this execution context
+	// E The contract is a scoped environment for this execution context
 	// only.
 	contract := NewContract(caller, to, value, gas)
 	contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr))
@@ -351,6 +351,10 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.I
 			contract.UseGas(contract.Gas)
 		}
 	}
+	// Assign err if contract code size exceeds the max while the err is still empty.
+	if maxCodeSizeExceeded && err == nil {
+		err = errMaxCodeSizeExceeded
+	}
 	return ret, contractAddr, contract.Gas, err
 }
 
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index ece4d2229..b6d6e22c4 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -33,6 +33,7 @@ var (
 	errWriteProtection       = errors.New("evm: write protection")
 	errReturnDataOutOfBounds = errors.New("evm: return data out of bounds")
 	errExecutionReverted     = errors.New("evm: execution reverted")
+	errMaxCodeSizeExceeded   = errors.New("evm: max code size exceeded")
 )
 
 func opAdd(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
@@ -619,7 +620,6 @@ func opCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
 	if value.Sign() != 0 {
 		gas += params.CallStipend
 	}
-
 	ret, returnGas, err := evm.Call(contract, address, args, gas, value)
 	if err != nil {
 		stack.push(new(big.Int))