public string SendBitcoins(String FromCardId, String FromCardPublicAddress, String encryptedPrivateKey, String DestinationCardId, Decimal BitcoinAmount, Decimal FiatAmount, String Currency)
{
// For the FromCardId, Obtain the password.
String Password = "******";
// Check that the FromCardPublicAddress = what is in the cards table for this cardID
String DBCardPublicAddress = FromCardPublicAddress;
Boolean AutoTopUp = true;
// For the DesintationCardId, obtain the DestinationAddress from the Cards Table
String DestinationAddress = "1QJQMFhgyoiLLUZXpr913T2TaEaX7pNFaF";
if (DBCardPublicAddress == DestinationAddress)
{
Card.CardClient card = new Card.CardClient();
ATM.AtmClient atm = new ATM.AtmClient();
Decimal CardBalance = atm.GetBalance(FromCardPublicAddress, 1);
Decimal MinersFee = 0.0001M;
if (CardBalance >= (BitcoinAmount + MinersFee))
{
String result = atm.SendBitcoins(encryptedPrivateKey, Password, DestinationAddress, BitcoinAmount);
return(result);
}
else
{
if (AutoTopUp)
{
// Purchase more coins to cover the difference
DCExchange.ExchangeClient ExchangeClient = new DCExchange.ExchangeClient();
DCExchange.Margin margin = ExchangeClient.GetMargin(Currency, 0);
Decimal PurchaseBitcoinsAmount = FiatAmount * margin.Buy;
// PurchaseFiatAmount = PurchaseBitcoinsAmount;
PurchaseBitcoins(FromCardId, DestinationAddress, FiatAmount, Currency);
// Empty the wallet
String result = atm.SendBitcoins(encryptedPrivateKey, Password, DestinationAddress, CardBalance);
return("");
}
else
{
return("Refer to DD/CC Issuer");
}
}
}
else
{
return("Invalid Card - Public Address does not match entry in Database. Card may have been tampered with");
}
}
private void readCard()
{
nfc = DCPOS.Factory.GetNFC();
if (nfc.InitReader())
{
if (nfc.ConnectReader())
{
String CardId = "";
if (nfc.ReadTagID(ref CardId))
{
String PublicKey = "";
if (nfc.readPublicKey(ref PublicKey))
{
// Get Balance
ATM.AtmClient atm = new ATM.AtmClient();
decimal value = atm.GetBalance(PublicKey, 1);
lblBTCBalance.Text = value.ToString("0.000000 BTC");
}
else
{
lblStatus.Text = "Cannot read Public Key";
}
}
else
{
lblStatus.Text = "Cannot read CardId";
}
}
else
{
lblStatus.Text = "Card not Present on Reader";
}
}
else
{
lblStatus.Text = "Cannot Initalise Reader";
}
}
