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remove hacks

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This commit is contained in:
Kukks
2020-04-18 08:29:07 +02:00
parent 51db617584
commit 0077105a2d
3 changed files with 5 additions and 42 deletions
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18
BTCPayServer/Payments/PayJoin/PayJoinEndpointController.cs
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@@ -19,10 +19,8 @@ using NBXplorer;
using NBXplorer.Models;
using Newtonsoft.Json.Linq;
using NicolasDorier.RateLimits;
using Microsoft.Extensions.Logging;
using NBXplorer.DerivationStrategy;
using System.Diagnostics.CodeAnalysis;
using BTCPayServer.Logging;
namespace BTCPayServer.Payments.PayJoin
{
@@ -385,18 +383,8 @@ namespace BTCPayServer.Payments.PayJoin
Money ourFeeContribution = Money.Zero;
// We need to adjust the fee to keep a constant fee rate
var txBuilder = network.NBitcoinNetwork.CreateTransactionBuilder();
var coins = new List<Coin>();
if (sendersInputType != ScriptPubKeyType.SegwitP2SH)
{
coins.AddRange(psbt.Inputs.Select(i => i.GetCoin()));
coins.AddRange(selectedUTXOs.Select(o => o.Value.AsCoin()));
}
else
{
coins.AddRange(psbt.Inputs.Select(i =>i.GetCoin().ToScriptCoin(PayToScriptHashTemplate.Instance.ExtractScriptSigParameters(i.FinalScriptSig).RedeemScript)));
coins.AddRange(selectedUTXOs.Select(pair => pair.Value.AsCoin(derivationSchemeSettings.AccountDerivation)));
}
txBuilder.AddCoins(coins);
txBuilder.AddCoins(psbt.Inputs.Select(i => i.GetSignableCoin()));
txBuilder.AddCoins(selectedUTXOs.Select(o => o.Value.AsCoin(derivationSchemeSettings.AccountDerivation)));
Money expectedFee = txBuilder.EstimateFees(newTx, originalFeeRate);
Money actualFee = newTx.GetFee(txBuilder.FindSpentCoins(newTx));
Money additionalFee = expectedFee - actualFee;
@@ -454,8 +442,6 @@ namespace BTCPayServer.Payments.PayJoin
var coin = selectedUtxo.AsCoin(derivationSchemeSettings.AccountDerivation);
signedInput.UpdateFromCoin(coin);
var privateKey = accountKey.Derive(selectedUtxo.KeyPath).PrivateKey;
//hack until UpdateFromCoin is fixed in NBitcoin when the coin is p2sh
signedInput.WitnessUtxo = coin.TxOut;
signedInput.Sign(privateKey);
signedInput.FinalizeInput();
newTx.Inputs[signedInput.Index].WitScript = newPsbt.Inputs[(int)signedInput.Index].FinalScriptWitness;