public async Task <string> GetHubAddressAsync(string contractAddress)
{
var getHubAddr = new GetHubAddrFunction();
var getHubAddrHandler = _ethApiContractService.GetContractQueryHandler <GetHubAddrFunction>();
var address = await getHubAddrHandler
.QueryAsync <string>(contractAddress, getHubAddr)
.ConfigureAwait(false);
if (address == null)
{
throw new Exception($"Contract does not support Gas Station Network");
}
var code = await _ethApiContractService.GetCode
.SendRequestAsync(address)
.ConfigureAwait(false);
if (code.Length <= 2)
{
throw new Exception($"Relay hub is not deployed at address {address}");
}
var getHubVersion = new VersionFunction();
var getHubVersionHandler = _ethApiContractService.GetContractQueryHandler <VersionFunction>();
var hubVersion = await getHubVersionHandler
.QueryAsync <string>(address, getHubVersion)
.ConfigureAwait(false);
if (!hubVersion.StartsWith("1"))
{
throw new Exception($"Unsupported relay hub version {hubVersion}");
}
return(address);
}
public async void Succeeds_and_returns_a_correctly_formatted_value()
{
// Arrange
var request = TestFactory.CreateHttpRequest();
// Act
var response = (OkObjectResult)await VersionFunction.Run(request, logger);
// Assert
Assert.Equal(200, response.StatusCode);
Assert.True(Version.TryParse(response.Value.ToString(), out Version parsed));
}
public Task <string> VersionQueryAsync(VersionFunction versionFunction, BlockParameter blockParameter = null)
{
return(ContractHandler.QueryAsync <VersionFunction, string>(versionFunction, blockParameter));
}