public Block MineBlock()
{
if (hash.Substring(0, _difficulty + 1) == _comparison)
{
GenerateNewHash();
}
var sw = new Stopwatch();
_logger.LogInformation($"Miner started.");
sw.Start();
while (hash.Substring(0, _difficulty + 1) != _comparison)
{
nonce++;
hash = _hasher.CalculateHash(hash + nonce.ToString());
}
sw.Stop();
_logger.LogInformation($"Mining complete. Total time: {sw.Elapsed}");
return(_newBlockManager.GenerateNewBlockAsync(hash).Result);
}
private Transaction[] GenerateTransactions(string prevHash)
{
var rand = new Random();
var num = rand.Next(2, 30);
var transactionArray = new Transaction[num];
for (int i = 0; i < num; i++)
{
var sender = Guid.NewGuid().ToString();
var receiver = Guid.NewGuid().ToString();
var multiplier = rand.NextDouble();
transactionArray[i] = new Transaction
{
RecipientID = receiver,
SenderID = sender,
TransactionDateTime = DateTime.UtcNow.AddDays(-num),
TransactionAmount = num * (decimal)multiplier,
TransactionID = _hasher.CalculateHash($"{DateTime.UtcNow.AddDays(-num)}{sender}{receiver}{num * (decimal)multiplier}{prevHash}")
};
}
return(transactionArray);
}
private Block CreateGenesisBlock()
{
var genesisData = new Data
{
PreviousBlockHash = "0",
Transactions = new Models.Transaction[]
{
new Models.Transaction
{
TransactionDateTime = DateTime.UtcNow,
TransactionAmount = 0.0M,
SenderID = "00000000000000000000",
RecipientID = "00000000000000000000",
TransactionID = _hasher.CalculateHash($"{DateTime.UtcNow.ToLongTimeString()}{0.0M}0000000000000000000000000000000000000000" + "0")
}
}
};
return(new Block(genesisData, genesisData.Transactions[0].TransactionID));
}
private List <Block> InitializeBlockChain()
{
var genesisData = new Data
{
PreviousBlockHash = "0",
Transactions = new Transaction[]
{
new Transaction
{
TransactionDateTime = DateTime.UtcNow,
TransactionAmount = 0.0M,
SenderID = "00000000000000000000",
RecipientID = "00000000000000000000",
TransactionID = _hasher.CalculateHash($"{DateTime.UtcNow.ToLongTimeString()}{0.0M}0000000000000000000000000000000000000000" + "0")
}
}
};
var block = new Block(genesisData, genesisData.Transactions[0].TransactionID);
return(new List <Block> {
block
});
}