public IBitcoinBasedTransaction CreateP2PkSwapRefundTx(BitcoinBasedCurrency currency)
{
const int paymentQty = 1_0000_0000;
var paymentTx = CreateP2PkSwapPaymentTx(currency);
var paymentTxOutputs = paymentTx.Outputs
.Where(o => o.Value == paymentQty)
.ToArray();
var paymentTxTotal = paymentTxOutputs.Aggregate(0L, (s, output) => s + output.Value);
var lockTime = DateTimeOffset.Now.AddHours(12);
const int amount = 9999_0000;
const int fee = 1_0000;
// change = 0;
var tx = BitcoinBasedCommon.CreatePaymentTx(
currency: Common.BtcTestNet,
outputs: paymentTxOutputs,
from: Common.Alice.PubKey,
to: Common.Alice.PubKey,
amount: amount,
fee: fee,
lockTime: lockTime
);
Assert.True(tx.Check());
Assert.Equal(paymentTxTotal - fee, tx.TotalOut);
Assert.Equal(fee, tx.GetFee(paymentTxOutputs));
return(tx);
}
public IBitcoinBasedTransaction SignP2PkSwapRefundTx(BitcoinBasedCurrency currency)
{
const int paymentQty = 1_0000_0000;
var paymentTx = CreateP2PkSwapPaymentTx(currency);
var paymentTxOutputs = paymentTx.Outputs.Where(o => o.Value == paymentQty).ToArray();
var lockTime = DateTimeOffset.Now.AddHours(12);
const int amount = 9999_0000;
const int fee = 1_0000;
// change = 0;
var refundTx = BitcoinBasedCommon.CreatePaymentTx(
currency: Common.BtcTestNet,
outputs: paymentTxOutputs,
from: Common.Alice.PubKey,
to: Common.Alice.PubKey,
amount: amount,
fee: fee,
lockTime: lockTime
);
var sigHash = new uint256(refundTx.GetSignatureHash(paymentTxOutputs.First()));
var aliceSign = Common.Alice.Sign(sigHash, SigHash.All);
var bobSign = Common.Bob.Sign(sigHash, SigHash.All);
var refundScript = BitcoinBasedSwapTemplate.GenerateSwapRefund(aliceSign, bobSign);
refundTx.NonStandardSign(refundScript, paymentTxOutputs.First());
Assert.True(refundTx.Verify(paymentTxOutputs));
return(refundTx);
}
public IBitcoinBasedTransaction SignHtlcP2PkhScriptSwapRefundTx(BitcoinBasedConfig currency)
{
const int paymentQty = 1_0000_0000;
var(paymentTx, redeemScriptBytes) = CreateHtlcP2PkhScriptSwapPaymentTx(currency);
var paymentTxOutputs = paymentTx.Outputs.Where(o => o.Value == paymentQty).ToArray();
var lockTime = DateTimeOffset.UtcNow.AddHours(1);
const int amount = 9999_0000;
const int fee = 1_0000;
// change = 0;
var redeemScript = new Script(redeemScriptBytes);
var refundTx = BitcoinBasedCommon.CreatePaymentTx(
currency: Common.BtcTestNet,
outputs: paymentTxOutputs,
from: Common.Alice.PubKey,
to: Common.Alice.PubKey,
amount: amount,
fee: fee,
lockTime: lockTime,
knownRedeems: redeemScript
);
var sigHash = new uint256(refundTx.GetSignatureHash(redeemScript, paymentTxOutputs.First()));
var aliceSign = Common.Alice.Sign(sigHash, SigHash.All);
var refundScript = BitcoinBasedSwapTemplate.GenerateHtlcSwapRefundForP2Sh(
aliceRefundSig: aliceSign.ToBytes(),
aliceRefundPubKey: Common.Alice.PubKey.ToBytes(),
redeemScript: redeemScriptBytes);
refundTx.NonStandardSign(refundScript, paymentTxOutputs.First());
Assert.True(refundTx.Verify(paymentTxOutputs, currency));
return(refundTx);
}