public static void LoadGenesisBlock(this Blockchain blockchain, string path)
{
var json = File.ReadAllText(path);
if (json != null)
{
var genesis = JsonSerializer.Deserialize <Block>(json, JsonDefaultSettings.Options);
blockchain.AddBlock(genesis);
}
}
public void Add(Block block)
{
logger.LogInformation($"Recibiendo bloque {block.BlockNumber} con hash {block.Hash.ByteArrayToHexString()}");
var other = Blockchain.GetBlock(block.Hash);
if (other != null)
{
logger.LogInformation("El bloque ya existe");
return;
}
if (!Blockchain.Last.Hash.SequenceEqual(block.PreviousHash))
{
var hashAsHex = block.PreviousHash.ByteArrayToHexString();
if (!searchingBlocks.Contains(hashAsHex))
{
logger.LogInformation("El bloque no existe ni es el siguiente al último, buscando más");
Blockchain.AddBlock(block);
searchingBlocks.Add(hashAsHex);
Peers.GetBlock(block.PreviousHash);
searchingBlocks.Remove(hashAsHex);
}
return;
}
lock (semaphore)
{
//TODO: stop miner
Blockchain.StopMine();
var transactions = block.GetTransactions();
logger.LogInformation($"Quitando {transactions.Length} transacciones pendientes");
foreach (var item in transactions)
{
int count = 0;
if (pendings.ContainsKey(item.GetKey()))
{
count++;
pendings.Remove(item.GetKey());
}
logger.LogInformation($"Se quitaron {count} transacciones de la lista de pendientes");
}
logger.LogInformation($"Agregando bloque #{block.BlockNumber} a la cadena");
Blockchain.AddBlock(block);
}
Peers.GetLastBlock();
}
