Merge pull request #378 from OffchainLabs/selfdestruct_accounting

Add balance acocunting to opSelfdestruct6780

Author: eljobe

core/vm/instructions.go

@@ -866,6 +866,10 @@ func opSelfdestruct6780(pc *uint64, interpreter *EVMInterpreter, scope *ScopeCon
 	interpreter.evm.StateDB.SubBalance(scope.Contract.Address(), balance, tracing.BalanceDecreaseSelfdestruct)
 	interpreter.evm.StateDB.AddBalance(beneficiary.Bytes20(), balance, tracing.BalanceIncreaseSelfdestruct)
 	interpreter.evm.StateDB.Selfdestruct6780(scope.Contract.Address())
+	if beneficiary.Bytes20() == scope.Contract.Address() {
+		// Arbitrum: calling selfdestruct(this) burns the balance
+		interpreter.evm.StateDB.ExpectBalanceBurn(balance.ToBig())
+	}
 	if tracer := interpreter.evm.Config.Tracer; tracer != nil {
 		if tracer.OnEnter != nil {
 			tracer.OnEnter(interpreter.evm.depth, byte(SELFDESTRUCT), scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance.ToBig())