/// <summary>
/// Method to try hash for a new block
/// </summary>
/// <see cref="Block.TryHash"/>
public void Mining()
{
CurrentMineBlock = new Block(0, ActualUser.PublicAddress, BlockChain.Chain.Last().Hash, BlockChain.PendingTransfers, BlockChain.Difficulty);
while (true)
{
var guid = Guid.NewGuid();
WaitingForBlockchainAccess(guid);
var difficulty = BlockChain.Difficulty;
var previousHash = BlockChain.LastBlock.Hash;
var transfers = BlockChain.PendingTransfers.ToArray();
BlockChainWaitingList.Remove(guid);
if (CurrentMineBlock.TryHash(difficulty, previousHash, transfers))
{
guid = Guid.NewGuid();
WaitingForBlockchainAccess(guid);
var dif = BlockChain.LastBlock.CreationDate - DateTime.UtcNow;
Console = BlockChain.AddBlock(CurrentMineBlock);
BlockChainWaitingList.Remove(guid);
if (!BlockChain.IsValid())
{
Client.NeedBlockchain();
}
else
{
var biscuit = CurrentMineBlock.GetBiscuit(BlockChain.Biscuit);
Console = $"You have mined one block ! You successfull win {biscuit} coins.";
Console = $"The last block was mined {dif:hh}h {dif:mm}m {dif:ss}s ago.";
Client.NewBlock(CurrentMineBlock);
var transfer = new Transfer(new User(Constants.PRIVATE_WORDS_KITTYCHAIN), ActualUser.PublicAddress, biscuit, 0);
BlockChain.CreateTransfer(transfer);
Client.NewTransfer(transfer);
CurrentMineBlock = new Block(0, ActualUser.PublicAddress, BlockChain.Chain.Last().Hash, BlockChain.PendingTransfers, BlockChain.Difficulty);
var receivers = BlockChainUpdated?.GetInvocationList();
if (receivers != null)
{
foreach (EventHandler receiver in receivers)
{
receiver.BeginInvoke(this, EventArgs.Empty, null, null);
}
}
}
}
}
}
/// <summary>
/// Method who wait to access the blockchain
/// </summary>
/// <param name="guid"></param>
public static void WaitingForBlockchainAccess(Guid guid)
{
var waitingTime = 0;
var first = BlockChainWaitingList.FirstOrDefault();
BlockChainWaitingList.Add(guid);
bool result;
try
{
result = !BlockChainWaitingList.FirstOrDefault().Equals(guid);
}
catch (Exception)
{
result = true;
}
while (result)
{
if (waitingTime > Constants.WAITING_TIME_MAX * 2000)
{
if (first == BlockChainWaitingList.FirstOrDefault())
{
BlockChainWaitingList.Remove(first);
}
else
{
first = BlockChainWaitingList.FirstOrDefault();
waitingTime = 0;
}
}
waitingTime++;
Thread.Sleep(5);
try
{
result = !BlockChainWaitingList.FirstOrDefault().Equals(guid);
}
catch (Exception)
{
result = true;
}
}
}