private (ErrorType?ErrorType, string ErrorMessage) Validate(JsonRpcRequest rpcRequest)
{
if (rpcRequest == null)
{
return(ErrorType.InvalidRequest, "Invalid request");
}
var methodName = rpcRequest.Method;
if (string.IsNullOrWhiteSpace(methodName))
{
return(ErrorType.InvalidRequest, "Method is required");
}
methodName = methodName.Trim().ToLower();
var result = _rpcModuleProvider.Check(methodName);
if (result == ModuleResolution.Unknown)
{
return(ErrorType.MethodNotFound, $"Method {methodName} is not supported");
}
if (result == ModuleResolution.Disabled)
{
return(ErrorType.InvalidRequest, $"{methodName} found but the containing module is disabled");
}
return(null, null);
}