public void tload_in_delegatecall(Instruction callType, int expectedResult)
{
byte[] contractCode = Prepare.EvmCode
.LoadDataFromTransientStorage(1)
.DataOnStackToMemory(0)
.PushData(32)
.PushData(0)
.Op(Instruction.RETURN)
.Done;
TestState.CreateAccount(TestItem.AddressD, 1.Ether());
Keccak contractCodeHash = TestState.UpdateCode(contractCode);
TestState.UpdateCodeHash(TestItem.AddressD, contractCodeHash, Spec);
byte[] code = Prepare.EvmCode
.StoreDataInTransientStorage(1, 7)
.DynamicCallWithInput(callType, TestItem.AddressD, 50000, new byte[32])
// Return response from nested call
.ReturnInnerCallResult()
.Done;
TestAllTracerWithOutput result = Execute(MainnetSpecProvider.ShanghaiBlockNumber, 100000, code);
Assert.AreEqual(expectedResult, (int)result.ReturnValue.ToUInt256());
}
protected override TestAllTracerWithOutput CreateTracer()
{
TestAllTracerWithOutput tracer = base.CreateTracer();
tracer.IsTracingAccess = false;
return(tracer);
}
public void Base_fee_opcode_should_return_expected_results(bool eip3198Enabled, int baseFee)
{
_processor = new TransactionProcessor(SpecProvider, TestState, Storage, Machine, LimboLogs.Instance);
byte[] code = Prepare.EvmCode
.Op(Instruction.BASEFEE)
.PushData(0)
.Op(Instruction.SSTORE)
.Done;
long blockNumber = eip3198Enabled ? LondonTestBlockNumber : LondonTestBlockNumber - 1;
(Block block, Transaction transaction) = PrepareTx(blockNumber, 100000, code);
block.Header.BaseFee = (UInt256)baseFee;
transaction.FeeCap = (UInt256)baseFee;
TestAllTracerWithOutput tracer = CreateTracer();
_processor.Execute(transaction, block.Header, tracer);
if (eip3198Enabled)
{
AssertStorage((UInt256)0, (UInt256)baseFee);
}
else
{
tracer.Error.Should().Be(EvmExceptionType.BadInstruction.ToString());
AssertStorage((UInt256)0, (UInt256)0);
}
}
public void after_istanbul_selfbalance_opcode_puts_current_address_balance_onto_the_stack()
{
byte[] contractCode = Prepare.EvmCode
.Op(Instruction.SELFBALANCE)
.PushData(0)
.Op(Instruction.SSTORE)
.Done;
Keccak codeHash = TestState.UpdateCode(contractCode);
TestState.CreateAccount(TestItem.AddressC, 1.Ether());
TestState.UpdateCodeHash(TestItem.AddressC, codeHash, Spec);
TestState.CreateAccount(TestItem.AddressD, 1.Ether());
TestState.UpdateCodeHash(TestItem.AddressD, codeHash, Spec);
byte[] code = Prepare.EvmCode
.Call(TestItem.AddressC, 50000)
.DelegateCall(TestItem.AddressD, 50000)
.Op(Instruction.SELFBALANCE)
.PushData(1)
.Op(Instruction.SSTORE)
.Done;
TestAllTracerWithOutput result = Execute(code);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
AssertGas(result, 21000 + 2 * GasCostOf.CallEip150 + 24 + 21 + GasCostOf.VeryLow + 3 * GasCostOf.SelfBalance + 3 * GasCostOf.SSet);
UInt256 balanceB = TestState.GetBalance(TestItem.AddressB);
UInt256 balanceC = TestState.GetBalance(TestItem.AddressC);
AssertStorage(new StorageCell(TestItem.AddressB, UInt256.Zero), balanceB);
AssertStorage(new StorageCell(TestItem.AddressB, UInt256.One), balanceB);
AssertStorage(new StorageCell(TestItem.AddressC, UInt256.Zero), balanceC);
}
public void tload_from_different_contract()
{
// TLOAD and RETURN the resulting value
byte[] contractCode = Prepare.EvmCode
.PushData(1)
.Op(Instruction.TLOAD)
.DataOnStackToMemory(0)
.PushData(32)
.PushData(0)
.Op(Instruction.RETURN)
.Done;
TestState.CreateAccount(TestItem.AddressD, 1.Ether());
Keccak contractCodeHash = TestState.UpdateCode(contractCode);
TestState.UpdateCodeHash(TestItem.AddressD, contractCodeHash, Spec);
// Store 8 at index 1 and call contract from above
// Return the result received from the contract
byte[] code = Prepare.EvmCode
.StoreDataInTransientStorage(1, 8)
.Call(TestItem.AddressD, 50000)
.ReturnInnerCallResult()
.Done;
TestAllTracerWithOutput result = Execute(MainnetSpecProvider.ShanghaiBlockNumber, 100000, code);
// If transient state was not isolated, the return value would be 8
Assert.AreEqual(0, (int)result.ReturnValue.ToUInt256());
}
protected TestAllTracerWithOutput Execute(params byte[] code)
{
(var block, var transaction) = PrepareTx(BlockNumber, 100000, code);
TestAllTracerWithOutput tracer = new TestAllTracerWithOutput();
_processor.Execute(transaction, block.Header, tracer);
return(tracer);
}
protected TestAllTracerWithOutput Execute(long blockNumber, long gasLimit, byte[] code)
{
(var block, var transaction) = PrepareTx(blockNumber, gasLimit, code);
TestAllTracerWithOutput tracer = new TestAllTracerWithOutput();
_processor.Execute(transaction, block.Header, tracer);
return(tracer);
}
public void Mload()
{
TestAllTracerWithOutput receipt = Execute(
(byte)Instruction.PUSH1,
64, // position
(byte)Instruction.MLOAD);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 2 + GasCostOf.Memory * 3, receipt.GasSpent, "gas");
}
public void Dup1()
{
TestAllTracerWithOutput receipt = Execute(
(byte)Instruction.PUSH1,
0,
(byte)Instruction.DUP1);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 2, receipt.GasSpent, "gas");
}
public void after_istanbul()
{
byte[] code = Prepare.EvmCode
.CallWithInput(Blake2FPrecompile.Instance.Address, 1000L, new byte[InputLength])
.Done;
TestAllTracerWithOutput result = Execute(code);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
}
public void Sload()
{
TestAllTracerWithOutput receipt = Execute(
(byte)Instruction.PUSH1,
0, // index
(byte)Instruction.SLOAD);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 1 + GasCostOf.SLoadEip150, receipt.GasSpent, "gas");
}
public void Test_pairing_after_istanbul()
{
byte[] code = Prepare.EvmCode
.CallWithInput(Bn256PairingPrecompile.Instance.Address, 200000L, new byte[192])
.Done;
TestAllTracerWithOutput result = Execute(BlockNumber, 1000000L, code);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
AssertGas(result, 21000 + 6 * 12 + 7 * 3 + GasCostOf.CallEip150 + 45000L + 34000L);
}
public void Test_mul_after_istanbul()
{
byte[] code = Prepare.EvmCode
.CallWithInput(Bn256MulPrecompile.Instance.Address, 10000L, new byte[128])
.Done;
TestAllTracerWithOutput result = Execute(code);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
AssertGas(result, 21000 + 4 * 12 + 7 * 3 + GasCostOf.CallEip150 + 6000L);
}
public void after_shanghai_can_call_tstore_tload()
{
byte[] code = Prepare.EvmCode
.StoreDataInTransientStorage(1, 8)
.LoadDataFromTransientStorage(1)
.Done;
TestAllTracerWithOutput result = Execute(MainnetSpecProvider.ShanghaiBlockNumber, 100000, code);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
}
public void Mstore()
{
TestAllTracerWithOutput receipt = Execute(
(byte)Instruction.PUSH1,
96, // data
(byte)Instruction.PUSH1,
64, // position
(byte)Instruction.MSTORE);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 3 + GasCostOf.Memory * 3, receipt.GasSpent, "gas");
}
public void Sign_ext_underflow()
{
byte[] code = Prepare.EvmCode
.PushData(32)
.Op(Instruction.SIGNEXTEND)
.Done;
TestAllTracerWithOutput res = Execute(code);
res.Error.Should().Be(EvmExceptionType.StackUnderflow.ToString());
}
public void Test_when_gas_just_above_stipend(string codeHex, long gasUsed, long refund, byte originalValue)
{
TestState.CreateAccount(Recipient, 0);
Storage.Set(new StorageCell(Recipient, 0), new [] { originalValue });
Storage.Commit();
TestState.Commit(RopstenSpecProvider.Instance.GenesisSpec);
TestAllTracerWithOutput receipt = Execute(BlockNumber, 21000 + gasUsed + (2301 - 800), Bytes.FromHexString(codeHex));
Assert.AreEqual(1, receipt.StatusCode);
}
public void tstore_does_not_result_in_gasrefund()
{
byte[] code = Prepare.EvmCode
.StoreDataInTransientStorage(1, 7)
.StoreDataInTransientStorage(1, 0)
.Done;
TestAllTracerWithOutput receipt = Execute(MainnetSpecProvider.ShanghaiBlockNumber, 100000, code);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 4 + GasCostOf.TStore * 2, receipt.GasSpent, "gas");
}
public void Swap()
{
TestAllTracerWithOutput receipt = Execute(
(byte)Instruction.PUSH1,
32, // length
(byte)Instruction.PUSH1,
0, // src
(byte)Instruction.SWAP1);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 3, receipt.GasSpent, "gas");
}
public void Test(string codeHex, long gasUsed, long refund, byte originalValue)
{
TestState.CreateAccount(Recipient, 0);
Storage.Set(new StorageCell(Recipient, 0), new [] { originalValue });
Storage.Commit();
TestState.Commit(RopstenSpecProvider.Instance.GenesisSpec);
TestAllTracerWithOutput receipt = Execute(Bytes.FromHexString(codeHex));
AssertGas(receipt, gasUsed + GasCostOf.Transaction - Math.Min((gasUsed + GasCostOf.Transaction) / 2, refund));
}
public void Tload()
{
byte[] code = Prepare.EvmCode
.PushData(96)
.Op(Instruction.TLOAD)
.Done;
TestAllTracerWithOutput receipt = Execute(MainnetSpecProvider.ShanghaiBlockNumber, 100000, code);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 1 + GasCostOf.TLoad, receipt.GasSpent, "gas");
}
public void Test_add_before_istanbul()
{
_blockNumberAdjustment = -1;
byte[] code = Prepare.EvmCode
.CallWithInput(Bn256AddPrecompile.Instance.Address, 1000L, new byte[128])
.Done;
TestAllTracerWithOutput result = Execute(code);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
AssertGas(result, 21000 + 4 * 12 + 7 * 3 + GasCostOf.CallEip150 + 500);
}
public void Sstore_twice_0_same_storage_should_refund_only_once()
{
TestAllTracerWithOutput receipt = Execute(
(byte)Instruction.PUSH1,
0,
(byte)Instruction.PUSH1,
0,
(byte)Instruction.SSTORE);
Assert.AreEqual(GasCostOf.Transaction + GasCostOf.VeryLow * 2 + GasCostOf.SReset, receipt.GasSpent, "gas");
Assert.AreEqual(BigInteger.Zero.ToBigEndianByteArray(), Storage.Get(new StorageCell(Recipient, 0)), "storage");
}
public void Ranges()
{
byte[] code = Prepare.EvmCode
.PushData(0)
.PushData("0x1e4e2")
.PushData("0x5050600163306e2b386347355944f3636f376163636d6b")
.Op(Instruction.CALLDATACOPY)
.Done;
TestAllTracerWithOutput result = Execute(code);
result.Error.Should().BeNull();
}
public void Error_on_walk_into_the_subroutine()
{
TestState.CreateAccount(TestItem.AddressC, 100.Ether());
byte[] code = Prepare.EvmCode
.FromCode("0x5c5d00")
.Done;
TestAllTracerWithOutput result = Execute(code);
result.StatusCode.Should().Be(0);
result.Error.Should().Be(EvmExceptionType.BadInstruction.ToString());
}
public void Case4()
{
TestState.CreateAccount(TestItem.AddressC, 100.Ether());
byte[] code = Prepare.EvmCode
.FromCode("0x60008080808060046000f15060008080808060ff6000f15060008080808060ff6000fa50")
.Done;
TestAllTracerWithOutput result = Execute(code);
result.StatusCode.Should().Be(1);
AssertGas(result, GasCostOf.Transaction + 2869);
}
public void Case3()
{
TestState.CreateAccount(TestItem.AddressC, 100.Ether());
byte[] code = Prepare.EvmCode
.FromCode("0x60015450601160015560116002556011600255600254600154")
.Done;
TestAllTracerWithOutput result = Execute(code);
result.StatusCode.Should().Be(1);
AssertGas(result, GasCostOf.Transaction + 44529);
}
public void Case1()
{
TestState.CreateAccount(TestItem.AddressC, 100.Ether());
byte[] code = Prepare.EvmCode
.FromCode("0x60013f5060023b506003315060f13f5060f23b5060f3315060f23f5060f33b5060f1315032315030315000")
.Done;
TestAllTracerWithOutput result = Execute(code);
result.StatusCode.Should().Be(1);
AssertGas(result, GasCostOf.Transaction + 8653);
}
public void Shallow_return_stack()
{
TestState.CreateAccount(TestItem.AddressC, 100.Ether());
byte[] code = Prepare.EvmCode
.FromCode("0x5d5858")
.Done;
TestAllTracerWithOutput result = Execute(code);
result.StatusCode.Should().Be(0);
result.Error.Should().Be(EvmExceptionType.BadInstruction.ToString());
}
public void Invalid_jump()
{
TestState.CreateAccount(TestItem.AddressC, 100.Ether());
byte[] code = Prepare.EvmCode
.FromCode("0x6801000000000000000c5e005c60115e5d5c5d")
.Done;
TestAllTracerWithOutput result = Execute(code);
result.StatusCode.Should().Be(0);
result.Error.Should().Be(EvmExceptionType.BadInstruction.ToString());
}