/// <summary>
/// Creates a new block and add to the chain
/// </summary>
/// <param name="proof">The proof given by the Proof of Work algorithm</param>
/// <param name="previousHash">Hash of previous Block</param>
/// <returns>New Block</returns>
public Block NewBlock(long proof, string previousHash = null)
{
var block = new Block {
Index = Chain.Count + 1,
Timestamp = Utils.DateTimeToUnixTimestamp(DateTime.Now),
Transactions = CurrTransactions.ToList(),
Proof = proof,
PrevHash = !string.IsNullOrWhiteSpace(previousHash)
? previousHash : Hash(LastBlock)
};
Chain.Add(block);
CurrTransactions.Clear();
return(block);
}
/// <summary>
/// Adds a new transaction to the list of transactions
/// </summary>
/// <param name="transaction">Transaction to be added to the block</param>
/// <returns>The index of the block that will hold this transaction</returns>
public int NewTransaction(Transaction transaction)
{
CurrTransactions.Add(transaction);
return(LastBlock.Index + 1);
}
