public IBitcoinBasedTransaction CreatePaymentTx(BitcoinBasedCurrency currency)
{
var initTx = BitcoinBasedCommon.CreateFakeTx(currency, Common.Alice.PubKey, 1_0000_0000, 1_0000_0000);
const int amount = 1_0000_0000;
const int fee = 1_0000;
const int change = 9999_0000;
var tx = currency.CreatePaymentTx(
unspentOutputs: initTx.Outputs,
destinationAddress: Common.Bob.PubKey.GetAddress(currency),
changeAddress: Common.Alice.PubKey.GetAddress(currency),
amount: amount,
fee: fee,
lockTime: DateTimeOffset.MinValue);
Assert.NotNull(tx);
Assert.True(tx.Check());
Assert.NotNull(tx.Outputs.FirstOrDefault(o => o.Value == amount));
Assert.NotNull(tx.Outputs.FirstOrDefault(o => o.Value == change));
Assert.Equal(tx.Outputs.First(o => o.Value == amount).DestinationAddress(currency), Common.BobAddress(currency));
Assert.Equal(tx.Outputs.First(o => o.Value == change).DestinationAddress(currency), Common.AliceAddress(currency));
Assert.Equal(initTx.TotalOut - fee, tx.TotalOut);
Assert.Equal(fee, tx.GetFee(initTx.Outputs));
return(tx);
}
public IBitcoinBasedTransaction SignHtlcP2PkhScriptSwapRedeemTx(BitcoinBasedCurrency currency)
{
const int paymentQty = 1_0000_0000;
var(paymentTx, redeemScript) = CreateHtlcP2PkhScriptSwapPaymentTx(currency);
var paymentTxOutputs = paymentTx.Outputs
.Where(o => o.Value == paymentQty)
.ToArray();
const int amount = 9999_0000;
const int fee = 1_0000;
var redeemTx = currency.CreatePaymentTx(
unspentOutputs: paymentTxOutputs,
destinationAddress: Common.Bob.PubKey.GetAddress(currency),
changeAddress: Common.Bob.PubKey.GetAddress(currency),
amount: amount,
fee: fee,
lockTime: DateTimeOffset.MinValue);
var sigHash = new uint256(redeemTx.GetSignatureHash(new Script(redeemScript), paymentTxOutputs.First()));
var scriptSig = BitcoinBasedSwapTemplate.GenerateP2PkhSwapRedeemForP2Sh(
sig: Common.Bob.Sign(sigHash, SigHash.All).ToBytes(),
pubKey: Common.Bob.PubKey.ToBytes(),
secret: Common.Secret,
redeemScript: redeemScript);
redeemTx.NonStandardSign(scriptSig, paymentTxOutputs.First());
Assert.True(redeemTx.Verify(paymentTxOutputs));
return(redeemTx);
}
public IBitcoinBasedTransaction SignHtlcP2PkhSwapRedeemTxByBob(BitcoinBasedCurrency currency)
{
const int paymentQty = 3000;
var paymentTx = CreateHtlcP2PkhSwapPaymentTxAlice2Bob(currency);
var paymentTxOutputs = paymentTx.Outputs
.Where(o => o.Value == paymentQty)
.ToArray();
const int amount = 2000;
const int fee = 1000;
var redeemTx = currency.CreatePaymentTx(
unspentOutputs: paymentTxOutputs,
destinationAddress: Common.Bob.PubKey.GetAddress(currency),
changeAddress: Common.Bob.PubKey.GetAddress(currency),
amount: amount,
fee: fee);
var sigHash = new uint256(redeemTx.GetSignatureHash(paymentTxOutputs.First()));
var bobSign = Common.Bob.Sign(sigHash, SigHash.All).ToBytes();
var bobPubKey = Common.Bob.PubKey.ToBytes();
var redeemScript = BitcoinBasedSwapTemplate.GenerateHtlcP2PkhSwapRedeem(bobSign, bobPubKey, Common.Secret);
redeemTx.NonStandardSign(redeemScript, paymentTxOutputs.First());
Assert.True(redeemTx.Verify(paymentTxOutputs));
return(redeemTx);
}