private ResultWrapper <Data> GetAccountCode(Address address, BlockParameter blockParameter)
{
if (blockParameter.Type == BlockParameterType.Pending)
{
var code = _blockchainBridge.GetCode(address);
return(ResultWrapper <Data> .Success(new Data(code)));
}
var block = GetBlock(blockParameter);
if (block.Result.ResultType == ResultType.Failure)
{
return(ResultWrapper <Data> .Fail(block.Result.Error));
}
return(GetAccountCode(address, block.Data.Header.StateRoot));
}
public ResultWrapper <byte[]> eth_getCode(Address address, BlockParameter blockParameter = null)
{
SearchResult <BlockHeader> searchResult = _blockchainBridge.SearchForHeader(blockParameter);
if (searchResult.IsError)
{
return(ResultWrapper <byte[]> .Fail(searchResult));
}
BlockHeader header = searchResult.Object;
if (!HasStateForBlock(header))
{
return(ResultWrapper <byte[]> .Fail($"No state available for block {header.Hash}", ErrorCodes.ResourceUnavailable));
}
Account account = _blockchainBridge.GetAccount(address, header.StateRoot);
if (account == null)
{
return(ResultWrapper <byte[]> .Success(Bytes.Empty));
}
var code = _blockchainBridge.GetCode(account.CodeHash);
return(ResultWrapper <byte[]> .Success(code));
}
public void ValidateContractAddress(Address contractAddress)
{
if (contractAddress != _contractAddress)
{
throw new InvalidDataException($"Contract address {contractAddress} is different than configured {_contractAddress}");
}
if (_blockchainBridge.GetCode(contractAddress).Length == 0)
{
throw new InvalidDataException($"No contract code at address {contractAddress}.");
}
if (!Bytes.AreEqual(_blockchainBridge.GetCode(contractAddress), Bytes.FromHexString(ContractData.DeployedCode)))
{
throw new InvalidDataException($"Code at address {contractAddress} is different than expected.");
}
}
public void Ok_when_code_is_valid()
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
DepositService depositService = new DepositService(bridge, _txPool, _abiEncoder, _wallet, _contractAddress, LimboLogs.Instance);
Address contractAddress = new Address(_ndmConfig.ContractAddress);
bridge.GetCode(contractAddress).Returns(Bytes.FromHexString(ContractData.DeployedCode));
depositService.ValidateContractAddress(contractAddress);
}
public void Throws_when_unexpected_code()
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
DepositService depositService = new DepositService(bridge, _txPool, _abiEncoder, _wallet, _contractAddress, LimboLogs.Instance);
Address contractAddress = new Address(_ndmConfig.ContractAddress);
bridge.GetCode(contractAddress).Returns(Bytes.FromHexString("0xa234"));
Assert.Throws <InvalidDataException>(() => depositService.ValidateContractAddress(contractAddress));
}
public void Throws_when_no_code_deployed()
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
DepositService depositService = new DepositService(bridge, _abiEncoder, _wallet, _ndmConfig, LimboLogs.Instance);
Address contractAddress = new Address(_ndmConfig.ContractAddress);
bridge.GetCode(contractAddress).Returns(Bytes.Empty);
Assert.Throws <InvalidDataException>(() => depositService.ValidateContractAddress(contractAddress));
}
public async Task get_code_should_invoke_blockchain_bridge_get_code()
{
var code = new byte[] { 0, 1, 2 };
var address = TestItem.AddressA;
_blockchainBridge.GetCode(address).Returns(code);
var result = await _ndmBridge.GetCodeAsync(address);
_blockchainBridge.Received().GetCode(address);
result.Should().BeSameAs(code);
}
public async Task Ok_when_code_is_valid()
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
_ndmBridge = new NdmBlockchainBridge(bridge, _txPool);
DepositService depositService = new DepositService(_ndmBridge, _abiEncoder, _wallet, _contractAddress);
Address contractAddress = new Address(_ndmConfig.ContractAddress);
bridge.GetCode(contractAddress).Returns(Bytes.FromHexString(ContractData.DeployedCode));
await depositService.ValidateContractAddressAsync(contractAddress);
}
public void Throws_when_no_code_deployed()
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
_ndmBridge = new NdmBlockchainBridge(bridge, _txPool);
DepositService depositService = new DepositService(_ndmBridge, _abiEncoder, _wallet, _contractAddress);
Address contractAddress = new Address(_ndmConfig.ContractAddress);
bridge.GetCode(contractAddress).Returns(Bytes.Empty);
Assert.ThrowsAsync <InvalidDataException>(async() => await depositService.ValidateContractAddressAsync(contractAddress));
}
public void Throws_when_unexpected_code()
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
_ndmBridge = new NdmBlockchainBridge(Substitute.For <ITxPoolBridge>(), bridge, _txPool);
DepositService depositService = new DepositService(_ndmBridge, _abiEncoder, _wallet, _contractAddress);
Address contractAddress = new Address(_ndmConfig.ContractAddress);
bridge.GetCode(contractAddress).Returns(Bytes.FromHexString("0xa234"));
Assert.ThrowsAsync <InvalidDataException>(async() => await depositService.ValidateContractAddressAsync(contractAddress));
}
private ResultWrapper <byte[]> GetAccountCode(Address address, Keccak stateRoot)
{
Account account = _blockchainBridge.GetAccount(address, stateRoot);
if (account == null)
{
return(ResultWrapper <byte[]> .Success(Bytes.Empty));
}
var code = _blockchainBridge.GetCode(account.CodeHash);
return(ResultWrapper <byte[]> .Success(code));
}
public ResultWrapper <byte[]> eth_getCode(Address address, BlockParameter blockParameter = null)
{
SearchResult <BlockHeader> searchResult = _blockchainBridge.SearchForHeader(blockParameter);
if (searchResult.IsError)
{
return(ResultWrapper <byte[]> .Fail(searchResult));
}
BlockHeader header = searchResult.Object;
Account account = _blockchainBridge.GetAccount(address, header.StateRoot);
if (account == null)
{
return(ResultWrapper <byte[]> .Success(Bytes.Empty));
}
var code = _blockchainBridge.GetCode(account.CodeHash);
return(ResultWrapper <byte[]> .Success(code));
}
public Task <byte[]> GetCodeAsync(Address address) => Task.FromResult(_blockchainBridge.GetCode(address));
