public bool VerifyTarget(Block block)
{
var last = _blockChainService.LookUpBlockInfo(block.Body.LastBlockId);
var info = new BlockInfo()
{
CreationTime = block.TimeOfCreation,
Height = last.Height + 1,
Id = block.Body.Id,
LastBlockId = block.Body.LastBlockId,
Target = ""
};
var target = _difficultyService.TargetForBlock(info);
var bb = new BigInteger(Convert.FromBase64String(block.Body.Id));
return(target >= bb);
}
private void Miner()
{
var id = Thread.CurrentThread.ManagedThreadId;
Console.WriteLine("[Info]New miner {0}", id);
if (Terminators.ContainsKey(id))
{
Terminators[id] = false;
}
else
{
Terminators.Add(id, false);
}
List <Transaction> choosenTxs;
if (MemPool.Count == 0)
{
return;
}
else
{
choosenTxs = ChooseTxs();
}
var nounce = GenerateRandomString();
var newInfo = new BlockInfo()
{
LastBlockId = _blockChainService.Info.EndOfLongestChain,
Height = _blockChainService.Info.Height + 1,
Id = "",
Target = ""
};
var target = _difficultyService.TargetForBlock(newInfo);
var targetString = Convert.ToBase64String(target.ToByteArray());
_logger.Log($"Choosen for mine : {choosenTxs.Count}");
foreach (var transaction in choosenTxs)
{
_logger.Log($"{transaction.Body.TransactionId} - transaction");
}
var bBody = new BlockBody()
{
Height = newInfo.Height,
Id = "",
LastBlockId = _blockChainService.Info.EndOfLongestChain,
MinerVOut = GetMinerVOut(choosenTxs, newInfo.Height),
Nounce = nounce,
Target = targetString,
Tx = choosenTxs
};
var block = new Block
{
TimeOfCreation = DateTime.UtcNow,
Body = bBody
};
var lastTime = DateTime.UtcNow;
var tries = 0;
Block.SetUniqueBlockId(block);
var totalRips = block.Body.MinerVOut.Amount;
while (!IsNounceGood(target, block))
{
nounce = GenerateRandomString();
block.TimeOfCreation = DateTime.UtcNow;
block.Body.Nounce = nounce;
block.TimeOfCreation = DateTime.UtcNow;
Block.SetUniqueBlockId(block);
tries++;
if (tries % 100000 == 0)
{
Console.WriteLine("[MinerInfo]{0}|Hashing at - {1}/Hs | Working on {2} rips of block", Thread.CurrentThread.ManagedThreadId, 100000f * 1 / (DateTime.UtcNow - lastTime).TotalSeconds, totalRips.ToString());
lastTime = DateTime.UtcNow;
}
if (Terminators[id])
{
Console.WriteLine("[MinerInfo]{0}|Aborting", id);
break;
}
}
if (!Terminators[id])
{
Console.WriteLine("[MinerInfo]Miner finished");
_eventManager.PassNewTrigger(block, EventTypes.EventType.NewBlock);
}
}
