public Wallet FindWalletByAccountId(Guid accountID)
{
return(walletDataAccess.FindWalletByAccountID(accountID));
}
public void HandleTransaction(Guid Seller, Guid Buyer, decimal amountTransaction, Order order)
{
if (order.OrderType == OrderCommon.OrderSell) // Sell
{
// noi xay ra giao dich tai day
var getBuyer = walletDataAccess.FindWalletByAccountID(Buyer);
var getSeller = walletDataAccess.FindWalletByAccountID(Seller);
BitcoinSecret buyerWallet = new BitcoinSecret(getBuyer.PrivateKey);
BitcoinSecret sellerWallet = new BitcoinSecret(getSeller.PrivateKey);
if (getBuyer != null && getSeller != null)
{
// check balance amount enough to perform buy action
if (getBuyer.BalanceAmount > amountTransaction)
{
var buyerSubtract = getBuyer.BalanceAmount - amountTransaction;
// trich quy ra de mua
Transaction buyerFunding = new Transaction()
{
Outputs =
{
new TxOut(amountTransaction.ToString(), buyerWallet.GetAddress())
}
};
getBuyer.BalanceAmount = buyerSubtract; // trich xong roi add phan con lai vao balanaceamount
Coin[] buyerCoins = buyerFunding
.Outputs
.Select((o, i) => new Coin(new OutPoint(buyerFunding.GetHash(), i), o))
.ToArray();
string totalToSend = "";
foreach (var item in buyerCoins)
{
totalToSend += item.TxOut.Value.ToString();
}
Money fee = new Money(100);
// construct transaction
// chuyen cho nguoi ban
TransactionBuilder txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddCoins(buyerCoins)
.AddKeys(buyerWallet.PrivateKey)
.Send(sellerWallet.GetAddress(), totalToSend)
//.SendFees(Money.Coins(0.0001m))
.SetChange(buyerWallet.GetAddress())
.BuildTransaction(true);
//Assert(txBuilder.Verify(tx)); //check fully signed
// get coin from buyer to sent for seller
Coin[] sellerCoins = tx.Outputs.Select((o, i) => new Coin(new OutPoint(tx.GetHash(), i), o)).ToArray();
string totalSend = "";
foreach (var item in sellerCoins)
{
totalSend += item.TxOut.Value.ToString();
}
getSeller.BalanceAmount = getSeller.BalanceAmount + Decimal.Parse(totalSend);
getBuyer.BalanceAmount = getBuyer.BalanceAmount + getSeller.BalanceAmountTransaction;
getSeller.BalanceAmountTransaction = 0;
walletDataAccess.CreateWalletTransaction(getSeller, getBuyer);
// remove order transaction
orderDataAccess.RemoveOrder(order);
}
}
}
else // buy
{
// noi xay ra giao dich tai day
var getBuyer = walletDataAccess.FindWalletByAccountID(Buyer);
var getSeller = walletDataAccess.FindWalletByAccountID(Seller);
BitcoinSecret buyerWallet = new BitcoinSecret(getBuyer.PrivateKey);
BitcoinSecret sellerWallet = new BitcoinSecret(getSeller.PrivateKey);
if (getSeller != null && getBuyer != null)
{
// check balance amount enough to perform buy action
if (getSeller.BalanceAmount > amountTransaction)
{
var buyerSubtract = getSeller.BalanceAmount - amountTransaction;
// trich quy ra de mua
Transaction buyerFunding = new Transaction()
{
Outputs =
{
new TxOut(amountTransaction.ToString(), buyerWallet.GetAddress())
}
};
getSeller.BalanceAmount = buyerSubtract; // trich xong roi add phan con lai vao balanaceamount
Coin[] buyerCoins = buyerFunding
.Outputs
.Select((o, i) => new Coin(new OutPoint(buyerFunding.GetHash(), i), o))
.ToArray();
string totalToSend = "";
foreach (var item in buyerCoins)
{
totalToSend += item.TxOut.Value.ToString();
}
Money fee = new Money(100);
// construct transaction
// chuyen cho nguoi ban
TransactionBuilder txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddCoins(buyerCoins)
.AddKeys(buyerWallet.PrivateKey)
.Send(sellerWallet.GetAddress(), totalToSend)
//.SendFees(Money.Coins(0.0001m))
.SetChange(buyerWallet.GetAddress())
.BuildTransaction(true);
//Assert(txBuilder.Verify(tx)); //check fully signed
// get coin from buyer to sent for seller
Coin[] sellerCoins = tx.Outputs.Select((o, i) => new Coin(new OutPoint(tx.GetHash(), i), o)).ToArray();
string totalSend = "";
foreach (var item in sellerCoins)
{
totalSend += item.TxOut.Value.ToString();
}
getBuyer.BalanceAmount = getBuyer.BalanceAmount + Decimal.Parse(totalSend);
getSeller.BalanceAmount = getSeller.BalanceAmount + getSeller.BalanceAmountTransaction;
getBuyer.BalanceAmountTransaction = 0;
walletDataAccess.CreateWalletTransaction(getSeller, getSeller);
// remove order transaction
orderDataAccess.RemoveOrder(order);
}
}
}
}