private bool VerifyBlock(BlockDetailedModel model)
{
foreach (var mod in model.Transactions)
{
mod.State = "Unverified";
}
var transactionHash = MerkleTree <TransactionModel> .Compute(model.Transactions.OrderBy(x => x.Id).ToList());
var obj = new MiningBlock
{
Hash = transactionHash.TrimEnd('=') + model.PreviousHash.TrimEnd('='),
PreviousBlockHash = model.PreviousHash.TrimEnd('='),
Nonce = model.Nonce,
Miner = model.Miner
};
using (SHA256Managed sha = new SHA256Managed())
{
using (MemoryStream ms = new MemoryStream())
{
ms.Position = 0;
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, obj);
return(model.Hash == Convert.ToBase64String(sha.ComputeHash(ms.ToArray())));
}
}
}
private CreateBlockModel Mining()
{
if (Block.Transactions.Count == 0)
{
return(null);
}
var transactionHash = MerkleTree <TransactionModel> .Compute(Block.Transactions.OrderBy(x => x.Id).ToList());
var obj = new MiningBlock
{
Hash = transactionHash.TrimEnd('=') + Block.PreviousHash.TrimEnd('='),
PreviousBlockHash = Block.PreviousHash.TrimEnd('='),
Nonce = -1,
Miner = User
};
string blockResultHash;
using (SHA256Managed sha = new SHA256Managed())
{
using (MemoryStream ms = new MemoryStream())
{
do
{
if (_miningTokenSource.IsCancellationRequested)
{
return(null);
}
obj.Nonce++;
_hashCurr = obj.Nonce;
ms.Position = 0;
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, obj);
blockResultHash = Convert.ToBase64String(sha.ComputeHash(ms.ToArray()));
ThreadHelperClass.SetText(this, Output, blockResultHash);
}while (!blockResultHash.Substring(0, 2).All(x => x == '0'));
return(new CreateBlockModel
{
Date = DateTimeOffset.Now,
Hash = blockResultHash,
Miner = User,
Nonce = obj.Nonce,
PrevBlockHash = Block.PreviousHash,
Transactions = Block.Transactions.Select(x => x.Id).ToList()
});
}
}
}
private void SendDetails()
{
DetailData data = new DetailData();
data.EntityId = MiningBlock.EntityId;
data.Details = m_syncDetails.ToString();
var bytes = ASCIIEncoding.ASCII.GetBytes(MyAPIGateway.Utilities.SerializeToXML(data));
var localSteamId = MyAPIGateway.Multiplayer.MyId;
var distSq = MyAPIGateway.Session.SessionSettings.SyncDistance;
distSq += 1000; // some safety padding, avoid desync
distSq *= distSq;
var players = new List <IMyPlayer>();
MyAPIGateway.Players.GetPlayers(players);
foreach (var p in players)
{
var steamId = p.SteamUserId;
if (steamId != localSteamId && Vector3D.DistanceSquared(p.GetPosition(), MiningBlock.GetPosition()) <= distSq)
{
MyAPIGateway.Multiplayer.SendMessageTo(8954, bytes, p.SteamUserId);
}
}
players.Clear();
}
