public void ReceivePay(PayMessage pay)
{
if (pay.Sequence != Sequence)
{
throw new MicroPaymentException("Out of order payment");
}
var expectedTotalAmount = Paid + pay.Amount;
Arguments.Assert(pay.Payment, false, expectedTotalAmount, FundCoin);
var sig = Arguments.ExtractSignature(Arguments.Payer, pay.Payment);
if (!sig.Check(Arguments.Payer.PaymentPubKey, Arguments.Redeem, pay.Payment, 0))
{
throw new MicroPaymentException("Invalid signature");
}
Sequence++;
Payment = pay.Payment;
Paid = Paid + pay.Amount;
}
public PayMessage Pay(Money amount, Key payerKey)
{
var sequence = Sequence;
Sequence++;
var toPay = Paid + amount;
var pay = Arguments.CreatePayment(toPay, FundCoin);
Arguments.Assert(pay, false, Paid + amount, FundCoin);
pay = MicroChannelArguments.SignPayment(pay, payerKey, FundCoin);
Payment = pay;
Paid = toPay;
return(new PayMessage()
{
Sequence = sequence,
Amount = amount,
Payment = pay
});
}
public OpenChannelAckMessage AckOpenChannel(OpenChannelMessage openMsg,
Key payeeKey)
{
if (payeeKey.PubKey != Arguments.Payee.PaymentPubKey)
{
throw new ArgumentException("Invalid payeeKey", "payeeKey");
}
Arguments.Assert(openMsg.UnsignedRefund, true, Arguments.Fees);
var fundCoin = new Coin(openMsg.UnsignedRefund.Inputs[0].PrevOut, new TxOut(Arguments.Amount + Arguments.Fees, Arguments.Redeem.Hash)).ToScriptCoin(Arguments.Redeem);
var signed =
new TransactionBuilder()
.AddCoins(fundCoin)
.AddKeys(payeeKey)
.SignTransaction(openMsg.UnsignedRefund);
Refund = signed;
return(new OpenChannelAckMessage()
{
SignedRefund = signed
});
}
