public async void ShouldRetrieveErrorReasonMakingAnEstimateCall()
{
if (_ethereumClientIntegrationFixture.EthereumClient == EthereumClient.Geth)
{
var web3 = _ethereumClientIntegrationFixture.GetWeb3();
var errorThrowDeployment = new TestTokenDeployment();
var transactionReceiptDeployment = await web3.Eth.GetContractDeploymentHandler <TestTokenDeployment>()
.SendRequestAndWaitForReceiptAsync(errorThrowDeployment);
var contractAddress = transactionReceiptDeployment.ContractAddress;
var contract = web3.Eth.GetContract("[{'inputs':[{'internalType':'uint256','name':'available','type':'uint256'},{'internalType':'uint256','name':'required','type':'uint256'}],'name':'InsufficientBalance','type':'error'},{'inputs':[{'internalType':'address','name':'to','type':'address'},{'internalType':'uint256','name':'amount','type':'uint256'}],'name':'transfer','outputs':[],'stateMutability':'nonpayable','type':'function'}]", contractAddress);
var function = contract.GetFunction("transfer");
var error = await Assert.ThrowsAsync <SmartContractCustomErrorRevertException>(async() =>
//random return value as it is going to error
await function.EstimateGasAsync(EthereumClientIntegrationFixture.AccountAddress, 100));
Assert.True(error.IsCustomErrorFor <InsufficientBalance>());
var insufficientBalance = error.DecodeError <InsufficientBalance>();
Assert.Equal(100, insufficientBalance.Required);
Assert.Equal(0, insufficientBalance.Available);
}
}
[Fact] //estimates are done when making a transaction
public async void ShouldRetrieveErrorReasonMakingAnEstimateForTransaction()
{
if (_ethereumClientIntegrationFixture.EthereumClient == EthereumClient.Geth)
{
var web3 = _ethereumClientIntegrationFixture.GetWeb3();
var errorThrowDeployment = new TestTokenDeployment();
var transactionReceiptDeployment = await web3.Eth.GetContractDeploymentHandler <TestTokenDeployment>()
.SendRequestAndWaitForReceiptAsync(errorThrowDeployment);
var contractAddress = transactionReceiptDeployment.ContractAddress;
var contractHandler = web3.Eth.GetContractHandler(contractAddress);
var error = await Assert.ThrowsAsync <SmartContractCustomErrorRevertException>(async() =>
await contractHandler.EstimateGasAsync(new TransferFunction()
{
Amount = 100, To = EthereumClientIntegrationFixture.AccountAddress
}));
Assert.True(error.IsCustomErrorFor <InsufficientBalance>());
var insufficientBalance = error.DecodeError <InsufficientBalance>();
Assert.Equal(100, insufficientBalance.Required);
Assert.Equal(0, insufficientBalance.Available);
}
}
public async void ShouldFindError()
{
if (_ethereumClientIntegrationFixture.EthereumClient == EthereumClient.Geth)
{
var web3 = _ethereumClientIntegrationFixture.GetWeb3();
var errorThrowDeployment = new TestTokenDeployment();
var transactionReceiptDeployment = await web3.Eth.GetContractDeploymentHandler <TestTokenDeployment>()
.SendRequestAndWaitForReceiptAsync(errorThrowDeployment);
var contractAddress = transactionReceiptDeployment.ContractAddress;
var contractHandler = web3.Eth.GetContractHandler(contractAddress);
var customErrorException = await Assert.ThrowsAsync <SmartContractCustomErrorRevertException>(async() =>
//random return value as it is going to error
await contractHandler.QueryAsync <TransferFunction, int>(new TransferFunction()
{
Amount = 100, To = EthereumClientIntegrationFixture.AccountAddress
}));
var contract = web3.Eth.GetContract("[{'inputs':[{'internalType':'uint256','name':'available','type':'uint256'},{'internalType':'uint256','name':'required','type':'uint256'}],'name':'InsufficientBalance','type':'error'},{'inputs':[{'internalType':'address','name':'to','type':'address'},{'internalType':'uint256','name':'amount','type':'uint256'}],'name':'transfer','outputs':[],'stateMutability':'nonpayable','type':'function'}]", contractAddress);
var error = contract.FindError(customErrorException.ExceptionEncodedData);
Assert.NotNull(error);
var errorJObject = error.DecodeExceptionEncodedDataToDefault(customErrorException.ExceptionEncodedData).ConvertToJObject();
var expectedJson = JToken.Parse(@"{'available': '0','required': '100'}");
Assert.True(JObject.DeepEquals(expectedJson, errorJObject));
}
}
