/// <summary>
/// Return invocation failure for cases outside the execution of contract code.
/// </summary>
public static ContractInvocationResult Failure(ContractInvocationErrorType errorType)
{
switch (errorType)
{
case ContractInvocationErrorType.MethodDoesNotExist:
return(new ContractInvocationResult(errorType, new ContractErrorMessage("Method does not exist on contract.")));
case ContractInvocationErrorType.MethodIsConstructor:
return(new ContractInvocationResult(errorType, new ContractErrorMessage("Attempted to invoke constructor on existing contract.")));
case ContractInvocationErrorType.MethodIsPrivate:
return(new ContractInvocationResult(errorType, new ContractErrorMessage("Attempted to invoke private method.")));
case ContractInvocationErrorType.ParameterCountIncorrect:
return(new ContractInvocationResult(errorType, new ContractErrorMessage("Incorrect number of parameters passed to method.")));
case ContractInvocationErrorType.ParameterTypesDontMatch:
return(new ContractInvocationResult(errorType, new ContractErrorMessage("Parameters sent don't match expected method parameters.")));
default:
throw new NotSupportedException($"Should use either {nameof(Success)} or {nameof(ExecutionFailure)} for this ContractInvocationErrorType.");
}
}
private static string GetErrorMessage(ContractInvocationErrorType errorType)
{
switch (errorType)
{
case ContractInvocationErrorType.MethodDoesNotExist:
return(ContractInvocationErrors.MethodDoesNotExist);
case ContractInvocationErrorType.MethodIsConstructor:
return(ContractInvocationErrors.MethodIsConstructor);
case ContractInvocationErrorType.MethodIsPrivate:
return(ContractInvocationErrors.MethodIsPrivate);
case ContractInvocationErrorType.ParameterCountIncorrect:
return(ContractInvocationErrors.ParameterCountIncorrect);
case ContractInvocationErrorType.ParameterTypesDontMatch:
return(ContractInvocationErrors.ParameterTypesDontMatch);
default:
throw new NotSupportedException($"Should use either {nameof(Success)} or {nameof(ExecutionFailure)} for this ContractInvocationErrorType.");
}
}
public static ContractInvocationResult Failure(ContractInvocationErrorType errorType, Exception exception)
{
return(new ContractInvocationResult(errorType));
}
private ContractInvocationResult(ContractInvocationErrorType errorType, Exception exception)
{
this.IsSuccess = false;
this.InvocationErrorType = errorType;
this.Exception = exception;
}
private ContractInvocationResult(ContractInvocationErrorType errorType)
{
this.IsSuccess = false;
this.InvocationErrorType = errorType;
}
/// <summary>
/// Return invocation failure for cases related to execution inside contract code.
/// </summary>
public static ContractInvocationResult ExecutionFailure(ContractInvocationErrorType errorType, Exception exception)
{
return(new ContractInvocationResult(errorType, new ContractErrorMessage(exception.ToString())));
}
/// <summary>
/// Return invocation failure for cases outside the execution of contract code.
/// </summary>
public static ContractInvocationResult Failure(ContractInvocationErrorType errorType)
{
string errorMessage = GetErrorMessage(errorType);
return(new ContractInvocationResult(errorType, new ContractErrorMessage(errorMessage)));
}
