private IEnumerable <string> ValidateBlock(PostUploadBlock block)
{
if (string.IsNullOrWhiteSpace(block.index) || !int.TryParse(block.index, out _))
{
yield return("Invalid index must be present and be a number.");
}
if (string.IsNullOrWhiteSpace(block.hash))
{
yield return("Invalid hash.");
}
if (string.IsNullOrWhiteSpace(block.data))
{
yield return("Invalid data.");
}
if (string.IsNullOrWhiteSpace(block.minedBy))
{
yield return("Invalid minedBy.");
}
if (String.IsNullOrWhiteSpace(block.nonce) || !int.TryParse(block.nonce, out _))
{
yield return("Invalid nonce must be present and be a number.");
}
if (string.IsNullOrWhiteSpace(block.previousHash))
{
yield return("Invalid previousHash.");
}
}
public ActionResult Upload([FromBody] PostUploadBlock block)
{
System.Threading.Thread.Sleep(1000);
var validationErrors = ValidateBlock(block);
if (validationErrors.Any())
{
return(StatusCode((int)HttpStatusCode.BadRequest,
new
{
ok = "false",
errorMessage = String.Join(Environment.NewLine, validationErrors)
}));
}
try
{
var result = TryUploadBlock(
int.Parse(block.index),
block.minedBy,
block.data,
block.previousHash,
int.Parse(block.nonce),
block.hash);
if (result.Item1)
{
return(StatusCode((int)HttpStatusCode.Created,
new
{
ok = true,
}));
}
else
{
return(StatusCode((int)HttpStatusCode.BadRequest,
new
{
ok = "false",
errorMessage = string.Join(Environment.NewLine, result.Item2)
}));
}
}
catch (Exception ex)
{
return(StatusCode((int)HttpStatusCode.BadRequest,
new
{
ok = "false",
errorMessage = ex.Message
}));
}
}
