public Transaction AddTransaction(string from, string to, decimal amount, IWalletProvider walletProvider)
{
this.CalculateBalances(0);
if (balances.ContainsKey(from) && balances[from] < amount)
{
Console.WriteLine("Not enought coins...");
return(null);
}
var publicKeyHex = CryptographyUtilities.BytesToHex(walletProvider.PublicKey.GetEncoded());
var transaction = new Transaction()
{
From = from,
To = to,
Value = amount,
SenderPublicKey = publicKeyHex
};
string transactionJson = JsonConvert.SerializeObject(transaction, new JsonSerializerSettings()
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
});
var transactionHash = CryptographyUtilities.BytesToHex(CryptographyUtilities.CalcSHA256(transactionJson));
var signiture = walletProvider.SignTransaction(Encoding.UTF8.GetBytes(transactionHash));
transaction.TransactionHash = transactionHash;
transaction.SenderSignature = signiture;
this.pendingTransactions.Add(transaction);
StorageFileProvider <Transaction[]> .SetModel(Constants.PendingTransactionsFilePath, this.pendingTransactions.ToArray());
Console.WriteLine("Transaction is pending...");
return(transaction);
}
