static bool SubmitMinedBlockInfo(string myAddress, ulong nonce, DateTime dateCreated, string blockHash)
{
var body = new MinedBlockInfoRequest
{
DateCreated = dateCreated,
Nonce = nonce,
BlockDataHash = blockHash
};
var res = HttpUtils.DoApiPost <MinedBlockInfoRequest, SubmitBlockResponse>(url, "api/mining/submit-block/", body);
if (res == null)
{
Console.WriteLine($"[{DateTime.UtcNow}] Error occured while trying to call the node API..");
return(false);
}
if (res.Status == BlockResponseStatus.Error)
{
Console.WriteLine($"Error {res.Message}");
return(false);
}
return(true);
}
public SubmitBlockResponse Post([FromBody] MinedBlockInfoRequest data)
{
return(_blockchainService.SubmitBlockInfo(data));
}
public SubmitBlockResponse SubmitBlockInfo(MinedBlockInfoRequest data)
{
lock (dbService.GetBlocksLockObject())
{
lock (dbService.GetTransactionsLockObject())
{
var info = dbService.GetMiningInfo(data.BlockDataHash);
if (null == info)
{
return(new SubmitBlockResponse
{
Status = BlockResponseStatus.Error,
Message = "Wrong block hash!"
});
}
var mbi = new MinedBlockInfo(info)
{
Nonce = data.Nonce,
DateCreated = data.DateCreated,
};
if (mbi.BlockHash.StartsWith("".PadLeft(appSettings.Difficulty, '0')))
{
var success = dbService.TryAddBlock(mbi);
if (!success)
{
return(new SubmitBlockResponse
{
Status = BlockResponseStatus.Error,
Message = "Old block! Someone mined it already"
});
}
//UPDATE transactions in the block.
mbi.Transactions.ForEach(t =>
{
t.MinedInBlockIndex = info.Index;
t.TransferSuccessful = true;
dbService.RemoveTransaction(t);
});
PropagateBlockToPeers(mbi);
return(new SubmitBlockResponse
{
Status = BlockResponseStatus.Success,
Message = $"Block is valid"
});
}
else
{
return(new SubmitBlockResponse
{
Status = BlockResponseStatus.Error,
Message = $"Hash must start with {appSettings.Difficulty} zeroes"
});
}
}
}
}
