/// <summary>
/// ATM calls this service to send BTC
/// </summary>
/// <param name="address"></param>
/// <param name="btcAmount"></param>
/// <returns></returns>
public DC.Common.Models.Order CreateOrder(String address, Decimal btcAmount)
{
if (btcAmount > 0 && BitcoinHelper.IsValidAddress(address))
{
//Providers.IWallet wallet = Helpers.Factory.GetWallet();
Providers.IWallet wallet = new Providers.BlockChainInfo()
{
MerchantId = "4ea10592-e7cb-4170-9b5b-6e94e3236bb1", Password = "******"
}; //ADD YOUR BLOCK CHAIN INFO CREDS HERE!
//Move to a factory to spit out order model.
DC.Common.Models.Order order = new DC.Common.Models.Order()
{
Address = address,
BTC = btcAmount
};
order.Txn = wallet.Send(address, btcAmount);
return(order);
}
else
{
throw new ArgumentOutOfRangeException("Check the bitcoin address is valid and amount is greater than zero.");
}
}
/// <summary>
/// ATM calls this service to send BTC
/// </summary>
/// <param name="address"></param>
/// <param name="btcAmount"></param>
/// <returns></returns>
public DC.Common.Models.Order CreateOrder(String address, Decimal btcAmount)
{
if (btcAmount > 0 && BitcoinHelper.IsValidAddress(address))
{
// Buy Bitcoin- https://blockchain.info/address/1QJQMFhgyoiLLUZXpr913T2TaEaX7pNFaF
DigitalBTC digitalbtc = new DigitalBTC();
PriceData pricedata = digitalbtc.GetSpotPrice2(btcAmount, "USD");
if (pricedata.Price > 0)
{
pricedata.Price += 1M;
float price = (float)pricedata.Price;
float btcorderamount = (float)btcAmount;
OrderData orderdata = digitalbtc.Order(price, btcorderamount);
}
// Sell Bitcoin
//Providers.IWallet wallet = Helpers.Factory.GetWallet();
Providers.IWallet wallet = new Providers.BlockChainInfo()
{
MerchantId = "4ea10592-e7cb-4170-9b5b-6e94e3236bb1", Password = "******"
}; //ADD YOUR BLOCK CHAIN INFO CREDS HERE!
//Move to a factory to spit out order model.
DC.Common.Models.Order order = new DC.Common.Models.Order()
{
Address = address,
BTC = btcAmount
};
order.Txn = wallet.Send(address, btcAmount);
return(order);
}
else
{
throw new ArgumentOutOfRangeException("Check the bitcoin address is valid and amount is greater than zero.");
}
}
/// <summary>
/// Sign and send bitcoins using bitcoin core
/// </summary>
/// <param name="privateKey">Private key as decimal</param>
/// <param name="sourceAddress">Bitcoin address to receive change</param>
/// <param name="destinationAddress"></param>
/// <param name="amount"></param>
private String SignAndTransfer(String privateKey, String destinationAddress, Decimal amount)
{
DC.Common.Models.Address sourceAddress = new Common.Models.Address(privateKey);
DC.Common.Models.UnspentResponse utxoResponse = Helpers.Factory.GetTransactionProvider().GetUnspentTxns
(sourceAddress.BTCAddress);
Decimal fee = Convert.ToDecimal(ConfigurationManager.AppSettings["fee"]);
fee = 0.0001M;
//Get unspent txs, largest to smallest
IEnumerable <DC.Common.Models.UnspentOutput> outputs = (from u in utxoResponse.UnspentOutputs
where u.Confirmations > 0
select u).OrderByDescending(u => u.Value);
//There needs to be sufficient balance for the amount plus the fee
Int64 target = Convert.ToInt64((amount + fee) * DC.Common.Math.SATOSHI);
if (outputs.Count() > 0)
{
bool sufficientFunds = false;
IList <DC.Common.Models.UnspentOutput> outputsToSpend = new List <Common.Models.UnspentOutput>();
foreach (DC.Common.Models.UnspentOutput output in outputs)
{
outputsToSpend.Add(output);
Int64 i = outputsToSpend.Sum(o => o.Value);
if (i >= target)
{
sufficientFunds = true;
break;
}
}
if (!sufficientFunds)
{
string message;
if (outputsToSpend.Sum(o => o.Value) == amount * DC.Common.Math.SATOSHI)
{
message = "There are insufficient funds to cover the transaction amount plus the bitcoin miner fee of 0.0001 Bitcoin";
}
else
{
message = "There are insufficient funds to complete this transaction";
}
throw new InvalidOperationException(message);
}
DC.Providers.IAddress provider = new DC.Providers.BlockChainInfo();
String destinationHash160 = provider.GetHash160(destinationAddress);
Helpers.Transaction Transaction = new Helpers.Transaction(outputsToSpend, sourceAddress, destinationAddress, destinationHash160, amount, fee);
Byte[] signedTransaction = Transaction.CreateAndSignTransaction(sourceAddress, destinationAddress, destinationHash160, amount, fee);
String signature = DC.Common.StringHelper.ByteArrayToHexString(signedTransaction);
// Providers.IWallet wallet = Helpers.Factory.GetWallet();
Providers.IWallet wallet = new Providers.BlockChainInfo()
{
MerchantId = "4ea10592-e7cb-4170-9b5b-6e94e3236bb1", Password = "******"
}; //ADD YOUR BLOCK CHAIN INFO CREDS HERE!
String txnHash = wallet.SendRawTransaction(signature);
return(txnHash);
}
else
{
throw new ArgumentException("The address does not have any unspent transactions");
}
}
