diff --git a/NBitcoin.Tests/NBitcoin.Tests.csproj b/NBitcoin.Tests/NBitcoin.Tests.csproj
index 9a1514334..aa5d731d2 100644
--- a/NBitcoin.Tests/NBitcoin.Tests.csproj
+++ b/NBitcoin.Tests/NBitcoin.Tests.csproj
@@ -49,7 +49,7 @@
all
runtime; build; native; contentfiles; analyzers
-
+
@@ -197,10 +197,11 @@
PreserveNewest
-
-
PreserveNewest
+
+ PreserveNewest
+
diff --git a/NBitcoin.Tests/SilentPaymentTests.cs b/NBitcoin.Tests/SilentPaymentTests.cs
new file mode 100644
index 000000000..4e9b49933
--- /dev/null
+++ b/NBitcoin.Tests/SilentPaymentTests.cs
@@ -0,0 +1,343 @@
+#if HAS_SPAN
+using System;
+using System.IO;
+using System.Linq;
+using NBitcoin.BIP352;
+using NBitcoin.DataEncoders;
+using Newtonsoft.Json;
+using Xunit;
+
+namespace NBitcoin.Tests;
+
+public class SilentPaymentTests
+{
+ [Theory]
+ [MemberData(nameof(SilentPaymentTestVector.TestCasesData), MemberType = typeof(SilentPaymentTestVector))]
+ public void TestVectors(SilentPaymentTestVector test)
+ {
+ // Sending functionality
+ foreach (var sending in test.Sending)
+ {
+ var given = sending.Given;
+ var expected = sending.Expected;
+ try
+ {
+ var utxos = given.Vin.Select(x => new Utxo(
+ new OutPoint(uint256.Parse(x.TxId), x.Vout), new Key(Encoders.Hex.DecodeData(x.Private_Key)),
+ Script.FromHex(x.PrevOut.ScriptPubKey.Hex))).ToArray();
+ var recipients = given.Recipients.Select(x => SilentPaymentAddress.Parse(x, Network.Main));
+ var xonlyPks = SilentPayment.GetPubKeys(recipients, utxos);
+ var actual = xonlyPks.SelectMany(x => x.Value).Select(x => Encoders.Hex.EncodeData(x.ToBytes()));
+
+ Assert.Subset(expected.Outputs.SelectMany(x => x).ToHashSet(), actual.ToHashSet());
+ }
+ catch (ArgumentException e) when(e.Message.Contains("Invalid ec private key") && test.Comment.Contains("point at infinity"))
+ {
+ // ignore because it is expected to fail;
+ }
+ }
+
+ // Receiving functionality
+
+ // message and auxiliary data used in signature
+ // see: https://github.com/bitcoinops/taproot-workshop/blob/master/1.1-schnorr-signatures.ipynb
+ var msg = Crypto.Hashes.SHA256(Encoders.ASCII.DecodeData("message"));
+ var aux = Crypto.Hashes.SHA256(Encoders.ASCII.DecodeData("random auxiliary data"));
+
+ foreach (var receiving in test.Receiving)
+ {
+ var given = receiving.Given;
+ var expected = receiving.Expected;
+ try
+ {
+ var prevOuts = given.Vin.Select(x => OutPoint.Parse(x.TxId + "-" + x.Vout)).ToArray();
+ var pubKeys = given.Vin.Select(ExtractPubKey).DropNulls().ToArray();
+ if (!pubKeys.Any())
+ {
+ continue; // if there are no pubkeys then nothing can be done
+ }
+
+ // Parse key material (scan and spend keys)
+ using var scanKey = ParsePrivKey(given.Key_Material.scan_priv_key);
+ using var spendKey = ParsePrivKey(given.Key_Material.spend_priv_key);
+
+ // Addresses
+ var baseAddress = new SilentPaymentAddress(0, scanKey.PubKey, spendKey.PubKey);
+
+ // Creates a lookup table Dic
+ var addressesTable = given.Labels
+ .Select(label => SilentPayment.CreateLabel(scanKey, (uint) label))
+ .Select(labelSecret => new LabelInfo.Full(labelSecret, labelSecret.PubKey))
+ .Select(labelInfo => (LabelInfo: (LabelInfo)labelInfo, Address: baseAddress.DeriveAddressForLabel(labelInfo.PubKey))) // each label has a different address
+ .Prepend((LabelInfo: new LabelInfo.None(), baseAddress))
+ .ToDictionary(x => x.Address, x => x.LabelInfo);
+ var addresses = addressesTable.Keys.ToArray();
+ var expectedAddresses = expected.Addresses.Select(x => SilentPaymentAddress.Parse(x, Network.Main));
+ Assert.Equal(expectedAddresses, addresses);
+
+ var sharedSecret = SilentPayment.ComputeSharedSecretReceiver(prevOuts, pubKeys, scanKey);
+
+ // Outputs
+ var givenOutputPubKeys = given.Outputs.Select(ParseXOnlyPubKey).ToArray();
+ var detectedOutputPubKeys = SilentPayment.GetPubKeys(addresses.ToArray(), sharedSecret, givenOutputPubKeys);
+ var detectedOutputs = detectedOutputPubKeys.Select(x => Encoders.Hex.EncodeData(x.PubKey.ToBytes())).ToArray();
+ var expectedOutputs = expected.Outputs.Select(x => x.pub_key).ToArray();
+
+ Assert.Equal(detectedOutputs.ToHashSet(), expectedOutputs.ToHashSet());
+
+ // Tweak Key
+
+ // Enrich the detected output xonlypubkeys with corresponding label info (secret and public key)
+ var detectedXonlyWithLabelInfo = detectedOutputPubKeys
+ .Select(x => (x.Address, x.PubKey, LabelInfo: addressesTable[x.Address]))
+ .ToArray();
+
+ // Compute tweakKey for each detected output
+ var tweakKeys = detectedXonlyWithLabelInfo
+ .Select((pk, k) => {
+ var tk = SilentPayment.TweakKey(sharedSecret, (uint) k);
+ return pk.LabelInfo switch
+ {
+ LabelInfo.None => (pk.PubKey, TweakKey: tk),
+ LabelInfo.Full info => (pk.PubKey, TweakKey: new Key(tk._ECKey.TweakAdd(info.Secret.ToBytes()).sec.ToBytes())),
+ _ => throw new ArgumentException("Unknown label type")
+ };
+ })
+ .ToArray();
+
+ var detectedTweakKeys = tweakKeys.Select(x => Encoders.Hex.EncodeData(x.TweakKey.ToBytes()));
+ var expectedTweakKeys = expected.Outputs.Select(o => o.priv_key_tweak);
+
+ Assert.Equal(expectedTweakKeys.ToHashSet(), detectedTweakKeys.ToHashSet());
+
+ // Signature
+ var expectedSignature = expected.Outputs.Select(o => o.signature).ToHashSet();
+ var tweakKeyMap = tweakKeys.ToDictionary(x => x.PubKey, x => x.TweakKey);
+ var computedSignatures = detectedOutputPubKeys
+ .Select(x => (x.Address, x.PubKey, TweakKey: tweakKeyMap[x.PubKey]))
+ .Select(x => SilentPayment.ComputePrivKey(spendKey, x.TweakKey))
+ .Select(x => x._ECKey.SignBIP340(msg, aux))
+ .Select(x => Encoders.Hex.EncodeData(x.ToBytes()))
+ .ToArray();
+
+ Assert.Equal(expectedSignature.ToHashSet(), computedSignatures.ToHashSet());
+ }
+ catch (InvalidOperationException e) when(e.Message.Contains("infinite") && test.Comment.Contains("point at infinity"))
+ {
+ // ignore because it is expected to fail;
+ }
+ }
+
+ PubKey ParseXOnlyPubKey(string pk) =>
+ new (Encoders.Hex.DecodeData(pk));
+
+ Key ParsePrivKey(string pk) =>
+ new (Encoders.Hex.DecodeData(pk));
+ }
+
+
+ private PubKey? ExtractPubKey(ReceivingVin vin)
+ {
+ var spk = Script.FromHex(vin.PrevOut.ScriptPubKey.Hex);
+ var scriptSig = Script.FromHex(vin.ScriptSig);
+ var txInWitness = string.IsNullOrEmpty(vin.TxInWitness) ? null : new WitScript (Encoders.Hex.DecodeData(vin.TxInWitness));
+ return SilentPayment.ExtractPubKey(scriptSig, txInWitness, spk);
+ }
+}
+
+public class ScriptPubKey
+{
+ public ScriptPubKey(string Hex)
+ {
+ this.Hex = Hex;
+ }
+
+ public string Hex { get; }
+}
+
+public class Output
+{
+ public Output(ScriptPubKey ScriptPubKey)
+ {
+ this.ScriptPubKey = ScriptPubKey;
+ }
+
+ public ScriptPubKey ScriptPubKey { get; }
+}
+
+public class ReceivingExpectedOutput
+{
+ public ReceivingExpectedOutput(string PrivKeyTweak, string PubKey, string Signature)
+ {
+ priv_key_tweak = PrivKeyTweak;
+ pub_key = PubKey;
+ signature = Signature;
+ }
+
+ public string priv_key_tweak { get; }
+ public string pub_key { get; }
+ public string signature { get; }
+}
+
+public class ReceivingVin
+{
+ public ReceivingVin(string TxId, int Vout, Output PrevOut, string? ScriptSig, string? TxInWitness)
+ {
+ this.TxId = TxId;
+ this.Vout = Vout;
+ this.PrevOut = PrevOut;
+ this.ScriptSig = ScriptSig;
+ this.TxInWitness = TxInWitness;
+ }
+
+ public string TxId { get; }
+ public int Vout { get; }
+ public Output PrevOut { get; }
+ public string ScriptSig { get; }
+ public string TxInWitness { get; }
+}
+
+public class SendingVin
+{
+ public SendingVin(string TxId, int Vout, string PrivateKey, Output PrevOut)
+ {
+ this.TxId = TxId;
+ this.Vout = Vout;
+ Private_Key = PrivateKey;
+ this.PrevOut = PrevOut;
+ }
+
+ public string TxId { get; }
+ public int Vout { get; }
+ public string Private_Key { get; }
+ public Output PrevOut { get; }
+}
+
+public class SendingGiven
+{
+ public SendingGiven(SendingVin[] Vin, string[] Recipients)
+ {
+ this.Vin = Vin;
+ this.Recipients = Recipients;
+ }
+
+ public SendingVin[] Vin { get; }
+ public string[] Recipients { get; }
+}
+
+public class KeyMaterial
+{
+ public KeyMaterial(string SpendPrivKey, string ScanPrivKey)
+ {
+ spend_priv_key = SpendPrivKey;
+ scan_priv_key = ScanPrivKey;
+ }
+
+ public string spend_priv_key { get; }
+ public string scan_priv_key { get; }
+}
+
+public class ReceivingGiven
+{
+ public ReceivingGiven(ReceivingVin[] Vin, string[] Outputs, KeyMaterial KeyMaterial, int[] Labels)
+ {
+ this.Vin = Vin;
+ this.Outputs = Outputs;
+ Key_Material = KeyMaterial;
+ this.Labels = Labels;
+ }
+
+ public ReceivingVin[] Vin { get; }
+ public string[] Outputs { get; }
+ public KeyMaterial Key_Material { get; }
+ public int[] Labels { get; }
+}
+
+public class SendingExpected
+{
+ public SendingExpected(string[][] Outputs)
+ {
+ this.Outputs = Outputs;
+ }
+
+ public string[][] Outputs { get; }
+}
+
+public class ReceivingExpected
+{
+ public ReceivingExpected(string[] Addresses, ReceivingExpectedOutput[] Outputs)
+ {
+ this.Addresses = Addresses;
+ this.Outputs = Outputs;
+ }
+
+ public string[] Addresses { get; }
+ public ReceivingExpectedOutput[] Outputs { get; }
+}
+
+public class Sending
+{
+ public Sending(SendingGiven Given, SendingExpected Expected)
+ {
+ this.Given = Given;
+ this.Expected = Expected;
+ }
+
+ public SendingGiven Given { get; }
+ public SendingExpected Expected { get; }
+}
+
+public class Receiving
+{
+ public Receiving(ReceivingGiven Given, ReceivingExpected Expected)
+ {
+ this.Given = Given;
+ this.Expected = Expected;
+ }
+
+ public ReceivingGiven Given { get; }
+ public ReceivingExpected Expected { get; }
+}
+
+public class SilentPaymentTestVector
+{
+ public string Comment { get; }
+ public Sending[] Sending { get; }
+ public Receiving[] Receiving { get; }
+
+ public SilentPaymentTestVector(string comment, Sending[] Sending, Receiving[] Receiving)
+ {
+ Comment = comment;
+ this.Sending = Sending;
+ this.Receiving = Receiving;
+ }
+
+ private static SilentPaymentTestVector[] VectorsData() =>
+ JsonConvert.DeserializeObject(
+ File.ReadAllText("./data/SilentPaymentTestVectors.json"))!;
+
+ private static readonly SilentPaymentTestVector[] TestCases = VectorsData().ToArray();
+
+ public static object[][] TestCasesData =>
+ TestCases.Select(testCase => new object[] { testCase }).ToArray();
+
+ public override string ToString() => Comment;
+}
+
+public abstract class LabelInfo
+{
+ public class Full : LabelInfo
+ {
+ public Key Secret { get; }
+ public PubKey PubKey { get; }
+
+ public Full(Key Secret, PubKey PubKey)
+ {
+ this.Secret = Secret;
+ this.PubKey = PubKey;
+ }
+ }
+
+ public class None : LabelInfo;
+}
+#endif
diff --git a/NBitcoin.Tests/data/SilentPaymentTestVectors.json b/NBitcoin.Tests/data/SilentPaymentTestVectors.json
new file mode 100644
index 000000000..d7a9e3c5f
--- /dev/null
+++ b/NBitcoin.Tests/data/SilentPaymentTestVectors.json
@@ -0,0 +1,2566 @@
+[
+ {
+ "comment": "Simple send: two inputs",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ },
+ "private_key": "93f5ed907ad5b2bdbbdcb5d9116ebc0a4e1f92f910d5260237fa45a9408aad16"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "3e9fce73d4e77a4809908e3c3a2e54ee147b9312dc5044a193d1fc85de46e3c1"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "3e9fce73d4e77a4809908e3c3a2e54ee147b9312dc5044a193d1fc85de46e3c1"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "f438b40179a3c4262de12986c0e6cce0634007cdc79c1dcd3e20b9ebc2e7eef6",
+ "pub_key": "3e9fce73d4e77a4809908e3c3a2e54ee147b9312dc5044a193d1fc85de46e3c1",
+ "signature": "74f85b856337fbe837643b86f462118159f93ac4acc2671522f27e8f67b079959195ccc7a5dbee396d2909f5d680d6e30cda7359aa2755822509b70d6b0687a1"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Simple send: two inputs, order reversed",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ },
+ "private_key": "93f5ed907ad5b2bdbbdcb5d9116ebc0a4e1f92f910d5260237fa45a9408aad16"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "3e9fce73d4e77a4809908e3c3a2e54ee147b9312dc5044a193d1fc85de46e3c1"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "3e9fce73d4e77a4809908e3c3a2e54ee147b9312dc5044a193d1fc85de46e3c1"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "f438b40179a3c4262de12986c0e6cce0634007cdc79c1dcd3e20b9ebc2e7eef6",
+ "pub_key": "3e9fce73d4e77a4809908e3c3a2e54ee147b9312dc5044a193d1fc85de46e3c1",
+ "signature": "74f85b856337fbe837643b86f462118159f93ac4acc2671522f27e8f67b079959195ccc7a5dbee396d2909f5d680d6e30cda7359aa2755822509b70d6b0687a1"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Simple send: two inputs from the same transaction",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 3,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 7,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ },
+ "private_key": "93f5ed907ad5b2bdbbdcb5d9116ebc0a4e1f92f910d5260237fa45a9408aad16"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "79e71baa2ba3fc66396de3a04f168c7bf24d6870ec88ca877754790c1db357b6"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 3,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 7,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "79e71baa2ba3fc66396de3a04f168c7bf24d6870ec88ca877754790c1db357b6"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "4851455bfbe1ab4f80156570aa45063201aa5c9e1b1dcd29f0f8c33d10bf77ae",
+ "pub_key": "79e71baa2ba3fc66396de3a04f168c7bf24d6870ec88ca877754790c1db357b6",
+ "signature": "10332eea808b6a13f70059a8a73195808db782012907f5ba32b6eae66a2f66b4f65147e2b968a1678c5f73d57d5d195dbaf667b606ff80c8490eac1f3b710657"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Simple send: two inputs from the same transaction, order reversed",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 7,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 3,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ },
+ "private_key": "93f5ed907ad5b2bdbbdcb5d9116ebc0a4e1f92f910d5260237fa45a9408aad16"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "f4c2da807f89cb1501f1a77322a895acfb93c28e08ed2724d2beb8e44539ba38"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 7,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 3,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "f4c2da807f89cb1501f1a77322a895acfb93c28e08ed2724d2beb8e44539ba38"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "ab0c9b87181bf527879f48db9f14a02233619b986f8e8f2d5d408ce68a709f51",
+ "pub_key": "f4c2da807f89cb1501f1a77322a895acfb93c28e08ed2724d2beb8e44539ba38",
+ "signature": "398a9790865791a9db41a8015afad3a47d60fec5086c50557806a49a1bc038808632b8fe679a7bb65fc6b455be994502eed849f1da3729cd948fc7be73d67295"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Outpoint ordering byte-lexicographically vs. vout-integer",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 1,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 256,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ },
+ "private_key": "93f5ed907ad5b2bdbbdcb5d9116ebc0a4e1f92f910d5260237fa45a9408aad16"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "a85ef8701394b517a4b35217c4bd37ac01ebeed4b008f8d0879f9e09ba95319c"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 1,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 256,
+ "scriptSig": "48304602210086783ded73e961037e77d49d9deee4edc2b23136e9728d56e4491c80015c3a63022100fda4c0f21ea18de29edbce57f7134d613e044ee150a89e2e64700de2d4e83d4e2103bd85685d03d111699b15d046319febe77f8de5286e9e512703cdee1bf3be3792",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914d9317c66f54ff0a152ec50b1d19c25be50c8e15988ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "a85ef8701394b517a4b35217c4bd37ac01ebeed4b008f8d0879f9e09ba95319c"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "c8ac0292997b5bca98b3ebd99a57e253071137550f270452cd3df8a3e2266d36",
+ "pub_key": "a85ef8701394b517a4b35217c4bd37ac01ebeed4b008f8d0879f9e09ba95319c",
+ "signature": "c036ee38bfe46aba03234339ae7219b31b824b52ef9d5ce05810a0d6f62330dedc2b55652578aa5bdabf930fae941acd839d5a66f8fce7caa9710ccb446bddd1"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: multiple UTXOs from the same public key",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "548ae55c8eec1e736e8d3e520f011f1f42a56d166116ad210b3937599f87f566"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "548ae55c8eec1e736e8d3e520f011f1f42a56d166116ad210b3937599f87f566"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "f032695e2636619efa523fffaa9ef93c8802299181fd0461913c1b8daf9784cd",
+ "pub_key": "548ae55c8eec1e736e8d3e520f011f1f42a56d166116ad210b3937599f87f566",
+ "signature": "f238386c5d5e5444f8d2c75aabbcb28c346f208c76f60823f5de3b67b79e0ec72ea5de2d7caec314e0971d3454f122dda342b3eede01b3857e83654e36b25f76"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: taproot only inputs with even y-values",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140bd1e708f92dbeaf24a6b8dd22e59c6274355424d62baea976b449e220fd75b13578e262ab11b7aa58e037f0c6b0519b66803b7d9decaa1906dedebfb531c56c1",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "5120782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338"
+ }
+ },
+ "private_key": "fc8716a97a48ba9a05a98ae47b5cd201a25a7fd5d8b73c203c5f7b6b6b3b6ad7"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "de88bea8e7ffc9ce1af30d1132f910323c505185aec8eae361670421e749a1fb"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140bd1e708f92dbeaf24a6b8dd22e59c6274355424d62baea976b449e220fd75b13578e262ab11b7aa58e037f0c6b0519b66803b7d9decaa1906dedebfb531c56c1",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "5120782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "de88bea8e7ffc9ce1af30d1132f910323c505185aec8eae361670421e749a1fb"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "3fb9ce5ce1746ced103c8ed254e81f6690764637ddbc876ec1f9b3ddab776b03",
+ "pub_key": "de88bea8e7ffc9ce1af30d1132f910323c505185aec8eae361670421e749a1fb",
+ "signature": "c5acd25a8f021a4192f93bc34403fd8b76484613466336fb259c72d04c169824f2690ca34e96cee86b69f376c8377003268fda56feeb1b873e5783d7e19bcca5"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: taproot only with mixed even/odd y-values",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "01400a4d0dca6293f40499394d7eefe14a1de11e0e3454f51de2e802592abf5ee549042a1b1a8fb2e149ee9dd3f086c1b69b2f182565ab6ecf599b1ec9ebadfda6c5",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51208c8d23d4764feffcd5e72e380802540fa0f88e3d62ad5e0b47955f74d7b283c4"
+ }
+ },
+ "private_key": "1d37787c2b7116ee983e9f9c13269df29091b391c04db94239e0d2bc2182c3bf"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "77cab7dd12b10259ee82c6ea4b509774e33e7078e7138f568092241bf26b99f1"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "01400a4d0dca6293f40499394d7eefe14a1de11e0e3454f51de2e802592abf5ee549042a1b1a8fb2e149ee9dd3f086c1b69b2f182565ab6ecf599b1ec9ebadfda6c5",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51208c8d23d4764feffcd5e72e380802540fa0f88e3d62ad5e0b47955f74d7b283c4"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "77cab7dd12b10259ee82c6ea4b509774e33e7078e7138f568092241bf26b99f1"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "f5382508609771068ed079b24e1f72e4a17ee6d1c979066bf1d4e2a5676f09d4",
+ "pub_key": "77cab7dd12b10259ee82c6ea4b509774e33e7078e7138f568092241bf26b99f1",
+ "signature": "ff65833b8fd1ed3ef9d0443b4f702b45a3f2dd457ba247687e8207745c3be9d2bdad0ab3f07118f8b2efc6a04b95f7b3e218daf8a64137ec91bd2fc67fc137a5"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: taproot input with even y-value and non-taproot input",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "463044021f24e010c6e475814740ba24c8cf9362c4db1276b7f46a7b1e63473159a80ec30221008198e8ece7b7f88e6c6cc6bb8c86f9f00b7458222a8c91addf6e1577bcf7697e2103e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9148cbc7dfe44f1579bff3340bbef1eddeaeb1fc97788ac"
+ }
+ },
+ "private_key": "8d4751f6e8a3586880fb66c19ae277969bd5aa06f61c4ee2f1e2486efdf666d3"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "30523cca96b2a9ae3c98beb5e60f7d190ec5bc79b2d11a0b2d4d09a608c448f0"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "463044021f24e010c6e475814740ba24c8cf9362c4db1276b7f46a7b1e63473159a80ec30221008198e8ece7b7f88e6c6cc6bb8c86f9f00b7458222a8c91addf6e1577bcf7697e2103e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9148cbc7dfe44f1579bff3340bbef1eddeaeb1fc97788ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "30523cca96b2a9ae3c98beb5e60f7d190ec5bc79b2d11a0b2d4d09a608c448f0"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "b40017865c79b1fcbed68896791be93186d08f47e416b289b8c063777e14e8df",
+ "pub_key": "30523cca96b2a9ae3c98beb5e60f7d190ec5bc79b2d11a0b2d4d09a608c448f0",
+ "signature": "d1edeea28cf1033bcb3d89376cabaaaa2886cbd8fda112b5c61cc90a4e7f1878bdd62180b07d1dfc8ffee1863c525a0c7b5bcd413183282cfda756cb65787266"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: taproot input with odd y-value and non-taproot input",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "01400a4d0dca6293f40499394d7eefe14a1de11e0e3454f51de2e802592abf5ee549042a1b1a8fb2e149ee9dd3f086c1b69b2f182565ab6ecf599b1ec9ebadfda6c5",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51208c8d23d4764feffcd5e72e380802540fa0f88e3d62ad5e0b47955f74d7b283c4"
+ }
+ },
+ "private_key": "1d37787c2b7116ee983e9f9c13269df29091b391c04db94239e0d2bc2182c3bf"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "463044021f24e010c6e475814740ba24c8cf9362c4db1276b7f46a7b1e63473159a80ec30221008198e8ece7b7f88e6c6cc6bb8c86f9f00b7458222a8c91addf6e1577bcf7697e2103e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9148cbc7dfe44f1579bff3340bbef1eddeaeb1fc97788ac"
+ }
+ },
+ "private_key": "8d4751f6e8a3586880fb66c19ae277969bd5aa06f61c4ee2f1e2486efdf666d3"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "359358f59ee9e9eec3f00bdf4882570fd5c182e451aa2650b788544aff012a3a"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "01400a4d0dca6293f40499394d7eefe14a1de11e0e3454f51de2e802592abf5ee549042a1b1a8fb2e149ee9dd3f086c1b69b2f182565ab6ecf599b1ec9ebadfda6c5",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51208c8d23d4764feffcd5e72e380802540fa0f88e3d62ad5e0b47955f74d7b283c4"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "463044021f24e010c6e475814740ba24c8cf9362c4db1276b7f46a7b1e63473159a80ec30221008198e8ece7b7f88e6c6cc6bb8c86f9f00b7458222a8c91addf6e1577bcf7697e2103e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9148cbc7dfe44f1579bff3340bbef1eddeaeb1fc97788ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "359358f59ee9e9eec3f00bdf4882570fd5c182e451aa2650b788544aff012a3a"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "a2f9dd05d1d398347c885d9c61a64d18a264de6d49cea4326bafc2791d627fa7",
+ "pub_key": "359358f59ee9e9eec3f00bdf4882570fd5c182e451aa2650b788544aff012a3a",
+ "signature": "96038ad233d8befe342573a6e54828d863471fb2afbad575cc65271a2a649480ea14912b6abbd3fbf92efc1928c036f6e3eef927105af4ec1dd57cb909f360b8"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Multiple outputs: multiple outputs, same recipient",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "d97e442d110c0bdd31161a7bb6e7862e038d02a09b1484dfbb463f2e0f7c9230",
+ "pub_key": "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca",
+ "signature": "29bd25d0f808d7fcd2aa6d5ed206053899198397506c301b218a9e47a3d7070af03e903ff718978d50d1b6b9af8cc0e313d84eda5d5b1e8e85e5516d630bbeb9"
+ },
+ {
+ "priv_key_tweak": "33ce085c3c11eaad13694aae3c20301a6c83382ec89a7cde96c6799e2f88805a",
+ "pub_key": "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac",
+ "signature": "335667ca6cae7a26438f5cfdd73b3d48fa832fa9768521d7d5445f22c203ab0d74ed85088f27d29959ba627a4509996676f47df8ff284d292567b1beef0e3912"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Multiple outputs: multiple outputs, multiple recipients",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgrz6j0lcqnc04vxccydl0kpsj4frfje0ktmgcl2t346hkw30226xqupawdf48k8882j0strrvcmgg2kdawz53a54dd376ngdhak364hzcmynqtn",
+ "sp1qqgrz6j0lcqnc04vxccydl0kpsj4frfje0ktmgcl2t346hkw30226xqupawdf48k8882j0strrvcmgg2kdawz53a54dd376ngdhak364hzcmynqtn"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "2e847bb01d1b491da512ddd760b8509617ee38057003d6115d00ba562451323a",
+ "841792c33c9dc6193e76744134125d40add8f2f4a96475f28ba150be032d64e8",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "2e847bb01d1b491da512ddd760b8509617ee38057003d6115d00ba562451323a",
+ "841792c33c9dc6193e76744134125d40add8f2f4a96475f28ba150be032d64e8",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ "key_material": {
+ "spend_priv_key": "9902c3c56e84002a7cd410113a9ab21d142be7f53cf5200720bb01314c5eb920",
+ "scan_priv_key": "060b751d7892149006ed7b98606955a29fe284a1e900070c0971f5fb93dbf422"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgrz6j0lcqnc04vxccydl0kpsj4frfje0ktmgcl2t346hkw30226xqupawdf48k8882j0strrvcmgg2kdawz53a54dd376ngdhak364hzcmynqtn"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "72cd082cccb633bf85240a83494b32dc943a4d05647a6686d23ad4ca59c0ebe4",
+ "pub_key": "2e847bb01d1b491da512ddd760b8509617ee38057003d6115d00ba562451323a",
+ "signature": "38745f3d9f5eef0b1cfb17ca314efa8c521efab28a23aa20ec5e3abb561d42804d539906dce60c4ee7977966184e6f2cab1faa0e5377ceb7148ec5218b4e7878"
+ },
+ {
+ "priv_key_tweak": "2f17ea873a0047fc01ba8010fef0969e76d0e4283f600d48f735098b1fee6eb9",
+ "pub_key": "841792c33c9dc6193e76744134125d40add8f2f4a96475f28ba150be032d64e8",
+ "signature": "c26f4e3cf371b90b840f48ea0e761b5ec31883ed55719f9ef06a90e282d85f565790ab780a3f491bc2668cc64e944dca849d1022a878cdadb8d168b8da4a6da3"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Receiving with labels: label with even parity",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjex54dmqmmv6rw353tsuqhs99ydvadxzrsy9nuvk74epvee55drs734pqq"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "d014d4860f67d607d60b1af70e0ee236b99658b61bb769832acbbe87c374439a"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "d014d4860f67d607d60b1af70e0ee236b99658b61bb769832acbbe87c374439a"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": [
+ 2,
+ 3,
+ 1001337
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjex54dmqmmv6rw353tsuqhs99ydvadxzrsy9nuvk74epvee55drs734pqq",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqsg59z2rppn4qlkx0yz9sdltmjv3j8zgcqadjn4ug98m3t6plujsq9qvu5n",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgq7c2zfthc6x3a5yecwc52nxa0kfd20xuz08zyrjpfw4l2j257yq6qgnkdh5"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "51d4e9d0d482b5700109b4b2e16ff508269b03d800192a043d61dca4a0a72a52",
+ "pub_key": "d014d4860f67d607d60b1af70e0ee236b99658b61bb769832acbbe87c374439a",
+ "signature": "c30fa63bad6f0a317f39a773a5cbf0b0f8193c71dfebba05ee6ae4ed28e3775e6e04c3ea70a83703bb888122855dc894cab61692e7fd10c9b3494d479a60785e"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Receiving with labels: label with odd parity",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqsg59z2rppn4qlkx0yz9sdltmjv3j8zgcqadjn4ug98m3t6plujsq9qvu5n"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "67626aebb3c4307cf0f6c39ca23247598fabf675ab783292eb2f81ae75ad1f8c"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "67626aebb3c4307cf0f6c39ca23247598fabf675ab783292eb2f81ae75ad1f8c"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": [
+ 2,
+ 3,
+ 1001337
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjex54dmqmmv6rw353tsuqhs99ydvadxzrsy9nuvk74epvee55drs734pqq",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqsg59z2rppn4qlkx0yz9sdltmjv3j8zgcqadjn4ug98m3t6plujsq9qvu5n",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgq7c2zfthc6x3a5yecwc52nxa0kfd20xuz08zyrjpfw4l2j257yq6qgnkdh5"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "6024ae214876356b8d917716e7707d267ae16a0fdb07de2a786b74a7bbcddead",
+ "pub_key": "67626aebb3c4307cf0f6c39ca23247598fabf675ab783292eb2f81ae75ad1f8c",
+ "signature": "a86d554d0d6b7aa0907155f7e0b47f0182752472fffaeddd68da90e99b9402f166fd9b33039c302c7115098d971c1399e67c19e9e4de180b10ea0b9d6f0db832"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Receiving with labels: large label integer",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgq7c2zfthc6x3a5yecwc52nxa0kfd20xuz08zyrjpfw4l2j257yq6qgnkdh5"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "7efa60ce78ac343df8a013a2027c6c5ef29f9502edcbd769d2c21717fecc5951"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "7efa60ce78ac343df8a013a2027c6c5ef29f9502edcbd769d2c21717fecc5951"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": [
+ 2,
+ 3,
+ 1001337
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjex54dmqmmv6rw353tsuqhs99ydvadxzrsy9nuvk74epvee55drs734pqq",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqsg59z2rppn4qlkx0yz9sdltmjv3j8zgcqadjn4ug98m3t6plujsq9qvu5n",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgq7c2zfthc6x3a5yecwc52nxa0kfd20xuz08zyrjpfw4l2j257yq6qgnkdh5"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "e336b92330c33030285ce42e4115ad92d5197913c88e06b9072b4a9b47c664a2",
+ "pub_key": "7efa60ce78ac343df8a013a2027c6c5ef29f9502edcbd769d2c21717fecc5951",
+ "signature": "c9e80dd3bdd25ca2d352ce77510f1aed37ba3509dc8cc0677f2d7c2dd04090707950ce9dd6c83d2a428063063aff5c04f1744e334f661f2fc01b4ef80b50f739"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Multiple outputs with labels: un-labeled and labeled address; same recipient",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ [
+ "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c",
+ "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": [
+ 1
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "43100f89f1a6bf10081c92b473ffc57ceac7dbed600b6aba9bb3976f17dbb914",
+ "pub_key": "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "signature": "15c92509b67a6c211ebb4a51b7528d0666e6720de2343b2e92cfb97942ca14693c1f1fdc8451acfdb2644039f8f5c76114807fdc3d3a002d8a46afab6756bd75"
+ },
+ {
+ "priv_key_tweak": "33ce085c3c11eaad13694aae3c20301a6c83382ec89a7cde96c6799e2f88805a",
+ "pub_key": "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac",
+ "signature": "335667ca6cae7a26438f5cfdd73b3d48fa832fa9768521d7d5445f22c203ab0d74ed85088f27d29959ba627a4509996676f47df8ff284d292567b1beef0e3912"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Multiple outputs with labels: multiple outputs for labeled address; same recipient",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": [
+ 1
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "43100f89f1a6bf10081c92b473ffc57ceac7dbed600b6aba9bb3976f17dbb914",
+ "pub_key": "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "signature": "15c92509b67a6c211ebb4a51b7528d0666e6720de2343b2e92cfb97942ca14693c1f1fdc8451acfdb2644039f8f5c76114807fdc3d3a002d8a46afab6756bd75"
+ },
+ {
+ "priv_key_tweak": "9d5fd3b91cac9ddfea6fc2e6f9386f680e6cee623cda02f53706306c081de87f",
+ "pub_key": "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c",
+ "signature": "db0dfacc98b6a6fcc67cc4631f080b1ca38c60d8c397f2f19843f8f95ec91594b24e47c5bd39480a861c1209f7e3145c440371f9191fb96e324690101eac8e8e"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Multiple outputs with labels: un-labeled, labeled, and multiple outputs for labeled address; same recipients",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjyh2ju7hd5gj57jg5r9lev3pckk4n2shtzaq34467erzzdfajfggty6aa5",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjyh2ju7hd5gj57jg5r9lev3pckk4n2shtzaq34467erzzdfajfggty6aa5"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "006a02c308ccdbf3ac49f0638f6de128f875db5a213095cf112b3b77722472ae",
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa"
+ ],
+ [
+ "006a02c308ccdbf3ac49f0638f6de128f875db5a213095cf112b3b77722472ae",
+ "3edf1ff6657c6e69568811bd726a7a7f480493aa42161acfe8dd4f44521f99ed",
+ "7ee1543ed5d123ffa66fbebc128c020173eb490d5fa2ba306e0c9573a77db8f3",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa"
+ ],
+ [
+ "006a02c308ccdbf3ac49f0638f6de128f875db5a213095cf112b3b77722472ae",
+ "7ee1543ed5d123ffa66fbebc128c020173eb490d5fa2ba306e0c9573a77db8f3",
+ "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701"
+ ],
+ [
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "3c54444944d176437644378c23efb999ab6ab1cacdfe1dc1537b607e3df330e2",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa",
+ "f4569fc5f69c10f0082cfbb8e072e6266ec55f69fba8cffca4cbb4c144b7e59b"
+ ],
+ [
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac",
+ "f4569fc5f69c10f0082cfbb8e072e6266ec55f69fba8cffca4cbb4c144b7e59b"
+ ],
+ [
+ "3c54444944d176437644378c23efb999ab6ab1cacdfe1dc1537b607e3df330e2",
+ "602e10e6944107c9b48bd885b493676578c935723287e0ab2f8b7f136862568e",
+ "7ee1543ed5d123ffa66fbebc128c020173eb490d5fa2ba306e0c9573a77db8f3",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa"
+ ],
+ [
+ "3c54444944d176437644378c23efb999ab6ab1cacdfe1dc1537b607e3df330e2",
+ "7ee1543ed5d123ffa66fbebc128c020173eb490d5fa2ba306e0c9573a77db8f3",
+ "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c",
+ "f4569fc5f69c10f0082cfbb8e072e6266ec55f69fba8cffca4cbb4c144b7e59b"
+ ],
+ [
+ "3edf1ff6657c6e69568811bd726a7a7f480493aa42161acfe8dd4f44521f99ed",
+ "7ee1543ed5d123ffa66fbebc128c020173eb490d5fa2ba306e0c9573a77db8f3",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac",
+ "f4569fc5f69c10f0082cfbb8e072e6266ec55f69fba8cffca4cbb4c144b7e59b"
+ ],
+ [
+ "3edf1ff6657c6e69568811bd726a7a7f480493aa42161acfe8dd4f44521f99ed",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa",
+ "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca",
+ "f4569fc5f69c10f0082cfbb8e072e6266ec55f69fba8cffca4cbb4c144b7e59b"
+ ],
+ [
+ "602e10e6944107c9b48bd885b493676578c935723287e0ab2f8b7f136862568e",
+ "7ee1543ed5d123ffa66fbebc128c020173eb490d5fa2ba306e0c9573a77db8f3",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ [
+ "602e10e6944107c9b48bd885b493676578c935723287e0ab2f8b7f136862568e",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa",
+ "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca"
+ ],
+ [
+ "83dc944e61603137294829aed56c74c9b087d80f2c021b98a7fae5799000696c",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "e976a58fbd38aeb4e6093d4df02e9c1de0c4513ae0c588cef68cda5b2f8834ca",
+ "f4569fc5f69c10f0082cfbb8e072e6266ec55f69fba8cffca4cbb4c144b7e59b"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "006a02c308ccdbf3ac49f0638f6de128f875db5a213095cf112b3b77722472ae",
+ "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": [
+ 1,
+ 1337
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqaxww2fnhrx05cghth75n0qcj59e3e2anscr0q9wyknjxtxycg07y3pevyj",
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjyh2ju7hd5gj57jg5r9lev3pckk4n2shtzaq34467erzzdfajfggty6aa5"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "4e3352fbe0505c25e718d96007c259ef08db34f8c844e4ff742d9855ff03805a",
+ "pub_key": "006a02c308ccdbf3ac49f0638f6de128f875db5a213095cf112b3b77722472ae",
+ "signature": "6eeae1ea9eb826e3d0e812f65937100e0836ea188c04f36fabc4981eda29de8d3d3529390a0a8b3d830f7bca4f5eae5994b9788ddaf05ad259ffe26d86144b4b"
+ },
+ {
+ "priv_key_tweak": "43100f89f1a6bf10081c92b473ffc57ceac7dbed600b6aba9bb3976f17dbb914",
+ "pub_key": "39f42624d5c32a77fda80ff0acee269afec601d3791803e80252ae04e4ffcf4c",
+ "signature": "15c92509b67a6c211ebb4a51b7528d0666e6720de2343b2e92cfb97942ca14693c1f1fdc8451acfdb2644039f8f5c76114807fdc3d3a002d8a46afab6756bd75"
+ },
+ {
+ "priv_key_tweak": "bf709f98d4418f8a67e738154ae48818dad44689cd37fbc070891a396dd1c633",
+ "pub_key": "ae1a780c04237bd577283c3ddb2e499767c3214160d5a6b0767e6b8c278bd701",
+ "signature": "42a19fd8a63dde1824966a95d65a28203e631e49bf96ca5dae1b390e7a0ace2cc8709c9b0c5715047032f57f536a3c80273cbecf4c05be0b5456c183fa122c06"
+ },
+ {
+ "priv_key_tweak": "736f05e4e3072c3b8656bedef2e9bf54cbcaa2b6fe5320d3e86f5b96874dda71",
+ "pub_key": "ca64abe1e0f737823fb9a94f597eed418fb2df77b1317e26b881a14bb594faaa",
+ "signature": "2e61bb3d79418ecf55f68847cf121bfc12d397b39d1da8643246b2f0a9b96c3daa4bfe9651beb5c9ce20e1f29282c4566400a4b45ee6657ec3b18fdc554da0b4"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: use silent payments for sender change",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv",
+ "sp1qqw6vczcfpdh5nf5y2ky99kmqae0tr30hgdfg88parz50cp80wd2wqqlv6saelkk5snl4wfutyxrchpzzwm8rjp3z6q7apna59z9huq4x754e5atr"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "be368e28979d950245d742891ae6064020ba548c1e2e65a639a8bb0675d95cff",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "be368e28979d950245d742891ae6064020ba548c1e2e65a639a8bb0675d95cff",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ "key_material": {
+ "spend_priv_key": "b8f87388cbb41934c50daca018901b00070a5ff6cc25a7e9e716a9d5b9e4d664",
+ "scan_priv_key": "11b7a82e06ca2648d5fded2366478078ec4fc9dc1d8ff487518226f229d768fd"
+ },
+ "labels": [
+ 0
+ ]
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqw6vczcfpdh5nf5y2ky99kmqae0tr30hgdfg88parz50cp80wd2wqqauj52ymtc4xdkmx3tgyhrsemg2g3303xk2gtzfy8h8ejet8fz8jcw23zua",
+ "sp1qqw6vczcfpdh5nf5y2ky99kmqae0tr30hgdfg88parz50cp80wd2wqqlv6saelkk5snl4wfutyxrchpzzwm8rjp3z6q7apna59z9huq4x754e5atr"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "80cd767ed20bd0bb7d8ea5e803f8c381293a62e8a073cf46fb0081da46e64e1f",
+ "pub_key": "be368e28979d950245d742891ae6064020ba548c1e2e65a639a8bb0675d95cff",
+ "signature": "7fbd5074cf1377273155eefafc7c330cb61b31da252f22206ac27530d2b2567040d9af7808342ed4a09598c26d8307446e4ed77079e6a2e61fea736e44da5f5a"
+ }
+ ]
+ }
+ },
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "be368e28979d950245d742891ae6064020ba548c1e2e65a639a8bb0675d95cff",
+ "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "33ce085c3c11eaad13694aae3c20301a6c83382ec89a7cde96c6799e2f88805a",
+ "pub_key": "f207162b1a7abc51c42017bef055e9ec1efc3d3567cb720357e2b84325db33ac",
+ "signature": "335667ca6cae7a26438f5cfdd73b3d48fa832fa9768521d7d5445f22c203ab0d74ed85088f27d29959ba627a4509996676f47df8ff284d292567b1beef0e3912"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Single recipient: taproot input with NUMS point",
+ "sending": [
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0440c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b22205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5ac21c150929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac00150",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "5120da6f0595ecb302bbe73e2f221f05ab10f336b06817d36fd28fc6691725ddaa85"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140bd1e708f92dbeaf24a6b8dd22e59c6274355424d62baea976b449e220fd75b13578e262ab11b7aa58e037f0c6b0519b66803b7d9decaa1906dedebfb531c56c1",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "5120782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 1,
+ "scriptSig": "",
+ "txinwitness": "0340268d31a9276f6380107d5321cafa6d9e8e5ea39204318fdc8206b31507c891c3bbcea3c99e2208d73bd127a8e8c5f1e45a54f1bd217205414ddb566ab7eda0092220e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85dac21c150929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac0",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51200a3c9365ceb131f89b0a4feb6896ebd67bb15a98c31eaa3da143bb955a0f3fcb"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "79e79897c52935bfd97fc6e076a6431a0c7543ca8c31e0fc3cf719bb572c842d"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "3ddec3232609d348d6b8b53123b4f40f6d4f5398ca586f087b0416ec3b851496",
+ "pub_key": "79e79897c52935bfd97fc6e076a6431a0c7543ca8c31e0fc3cf719bb572c842d",
+ "signature": "d7d06e3afb68363031e4eb18035c46ceae41bdbebe7888a4754bc9848c596436869aeaecff0527649a1f458b71c9ceecec10b535c09d01d720229aa228547706"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Pubkey extraction from malleated p2pkh",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 1,
+ "scriptSig": "0075473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 2,
+ "scriptSig": "5163473045022100e7d26e77290b37128f5215ade25b9b908ce87cc9a4d498908b5bb8fd6daa1b8d022002568c3a8226f4f0436510283052bfb780b76f3fe4aa60c4c5eb118e43b187372102e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d67483046022100c0d3c851d3bd562ae93d56bcefd735ea57c027af46145a4d5e9cac113bfeb0c2022100ee5b2239af199fa9b7aa1d98da83a29d0a2cf1e4f29e2f37134ce386d51c544c2102ad0f26ddc7b3fcc340155963b3051b85289c1869612ecb290184ac952e2864ec68",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914c82c5ec473cbc6c86e5ef410e36f9495adcf979988ac"
+ }
+ },
+ "private_key": "72b8ae09175ca7977f04993e651d88681ed932dfb92c5158cdf0161dd23fda6e"
+ }
+ ],
+ "recipients": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "4612cdbf845c66c7511d70aab4d9aed11e49e48cdb8d799d787101cdd0d53e4f"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 1,
+ "scriptSig": "0075473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 2,
+ "scriptSig": "5163473045022100e7d26e77290b37128f5215ade25b9b908ce87cc9a4d498908b5bb8fd6daa1b8d022002568c3a8226f4f0436510283052bfb780b76f3fe4aa60c4c5eb118e43b187372102e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d67483046022100c0d3c851d3bd562ae93d56bcefd735ea57c027af46145a4d5e9cac113bfeb0c2022100ee5b2239af199fa9b7aa1d98da83a29d0a2cf1e4f29e2f37134ce386d51c544c2102ad0f26ddc7b3fcc340155963b3051b85289c1869612ecb290184ac952e2864ec68",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914c82c5ec473cbc6c86e5ef410e36f9495adcf979988ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "4612cdbf845c66c7511d70aab4d9aed11e49e48cdb8d799d787101cdd0d53e4f"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "10bde9781def20d7701e7603ef1b1e5e71c67bae7154818814e3c81ef5b1a3d3",
+ "pub_key": "4612cdbf845c66c7511d70aab4d9aed11e49e48cdb8d799d787101cdd0d53e4f",
+ "signature": "6137969f810e9e8ef6c9755010e808f5dd1aed705882e44d7f0ae64eb0c509ec8b62a0671bee0d5914ac27d2c463443e28e999d82dc3d3a4919f093872d947bb"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "P2PKH and P2WPKH Uncompressed Keys are skipped",
+ "sending": [
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a91419c2f3ae0ca3b642bd3e49598b8da89f50c1416188ac"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b974104782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c3799373233387c5343bf58e23269e903335b958a12182f9849297321e8d710e49a8727129cab",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9144b92ac4ac6fe6212393894addda332f2e47a315688ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 1,
+ "scriptSig": "",
+ "txinwitness": "02473045022100e7d26e77290b37128f5215ade25b9b908ce87cc9a4d498908b5bb8fd6daa1b8d022002568c3a8226f4f0436510283052bfb780b76f3fe4aa60c4c5eb118e43b187374104e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d6fe8190e189be57d0d5bcd17dbcbcd04c9b4a1c5f605b10d5c90abfcc0d12884",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "00140423f731a07491364e8dce98b7c00bda63336950"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "67fee277da9e8542b5d2e6f32d660a9bbd3f0e107c2d53638ab1d869088882d6"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "688fa3aeb97d2a46ae87b03591921c2eaf4b505eb0ddca2733c94701e01060cf",
+ "pub_key": "67fee277da9e8542b5d2e6f32d660a9bbd3f0e107c2d53638ab1d869088882d6",
+ "signature": "72e7ad573ac23255d4651d5b0326a200496588acb7a4894b22092236d5eda6a0a9a4d8429b022c2219081fefce5b33795cae488d10f5ea9438849ed8353624f2"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Skip invalid P2SH inputs",
+ "sending": [
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "16001419c2f3ae0ca3b642bd3e49598b8da89f50c14161",
+ "txinwitness": "02483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d621025a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "a9148629db5007d5fcfbdbb466637af09daf9125969387"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 1,
+ "scriptSig": "1600144b92ac4ac6fe6212393894addda332f2e47a3156",
+ "txinwitness": "02473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b974104782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c3799373233387c5343bf58e23269e903335b958a12182f9849297321e8d710e49a8727129cab",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "a9146c9bf136fbb7305fd99d771a95127fcf87dedd0d87"
+ }
+ }
+ },
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 2,
+ "scriptSig": "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",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "a9141044ddc6cea09e4ac40fbec2ba34ad62de6db25b87"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "67fee277da9e8542b5d2e6f32d660a9bbd3f0e107c2d53638ab1d869088882d6"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": [
+ {
+ "priv_key_tweak": "688fa3aeb97d2a46ae87b03591921c2eaf4b505eb0ddca2733c94701e01060cf",
+ "pub_key": "67fee277da9e8542b5d2e6f32d660a9bbd3f0e107c2d53638ab1d869088882d6",
+ "signature": "72e7ad573ac23255d4651d5b0326a200496588acb7a4894b22092236d5eda6a0a9a4d8429b022c2219081fefce5b33795cae488d10f5ea9438849ed8353624f2"
+ }
+ ]
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Recipient ignores unrelated outputs",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ },
+ "private_key": "eadc78165ff1f8ea94ad7cfdc54990738a4c53f6e0507b42154201b8e5dff3b1"
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ },
+ "private_key": "0378e95685b74565fa56751b84a32dfd18545d10d691641b8372e32164fad66a"
+ }
+ ],
+ "recipients": [
+ "sp1qqgrz6j0lcqnc04vxccydl0kpsj4frfje0ktmgcl2t346hkw30226xqupawdf48k8882j0strrvcmgg2kdawz53a54dd376ngdhak364hzcmynqtn"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ [
+ "841792c33c9dc6193e76744134125d40add8f2f4a96475f28ba150be032d64e8"
+ ]
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "0140c459b671370d12cfb5acee76da7e3ba7cc29b0b4653e3af8388591082660137d087fdc8e89a612cd5d15be0febe61fc7cdcf3161a26e599a4514aa5c3e86f47b",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "51205a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b972103782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9147cdd63cc408564188e8e472640e921c7c90e651d88ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "841792c33c9dc6193e76744134125d40add8f2f4a96475f28ba150be032d64e8",
+ "782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": []
+ }
+ }
+ ]
+ },
+ {
+ "comment": "No valid inputs, sender generates no outputs",
+ "sending": [
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16",
+ "vout": 0,
+ "scriptSig": "483046022100ad79e6801dd9a8727f342f31c71c4912866f59dc6e7981878e92c5844a0ce929022100fb0d2393e813968648b9753b7e9871d90ab3d815ebf91820d704b19f4ed224d641045a1e61f898173040e20616d43e9f496fba90338a39faa1ed98fcbaeee4dd9be5c61836c9b1688ba431f7ea3039742251f62f0dca3da1bee58a47fa9b456c2d52",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a914460e8b41545d2dbe7e0671f0f573e2232814260a88ac"
+ }
+ }
+ },
+ {
+ "txid": "a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d",
+ "vout": 0,
+ "scriptSig": "473045022100a8c61b2d470e393279d1ba54f254b7c237de299580b7fa01ffcc940442ecec4502201afba952f4e4661c40acde7acc0341589031ba103a307b886eb867b23b850b974104782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c3799373233387c5343bf58e23269e903335b958a12182f9849297321e8d710e49a8727129cab",
+ "txinwitness": "",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "76a9144b92ac4ac6fe6212393894addda332f2e47a315688ac"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "782eeb913431ca6e9b8c2fd80a5f72ed2024ef72a3c6fb10263c379937323338",
+ "e0ec4f64b3fa2e463ccfcf4e856e37d5e1e20275bc89ec1def9eb098eff1f85d"
+ ],
+ "key_material": {
+ "spend_priv_key": "9d6ad855ce3417ef84e836892e5a56392bfba05fa5d97ccea30e266f540e08b3",
+ "scan_priv_key": "0f694e068028a717f8af6b9411f9a133dd3565258714cc226594b34db90c1f2c"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqgste7k9hx0qftg6qmwlkqtwuy6cycyavzmzj85c6qdfhjdpdjtdgqjuexzk6murw56suy3e0rd2cgqvycxttddwsvgxe2usfpxumr70xc9pkqwv"
+ ],
+ "outputs": []
+ }
+ }
+ ]
+ },
+ {
+ "comment": "Input keys sum up to zero / point at infinity: sending fails, receiver skips tx",
+ "sending": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "3a286147b25e16ae80aff406f2673c6e565418c40f45c071245cdebc8a94174e",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "024730440220085003179ce1a3a88ce0069aa6ea045e140761ab88c22a26ae2a8cfe983a6e4602204a8a39940f0735c8a4424270ac8da65240c261ab3fda9272f6d6efbf9cfea366012102557ef3e55b0a52489b4454c1169e06bdea43687a69c1f190eb50781644ab6975",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "00149d9e24f9fab4e35bf1a6df4b46cb533296ac0792"
+ }
+ },
+ "private_key": "a6df6a0bb448992a301df4258e06a89fe7cf7146f59ac3bd5ff26083acb22ceb"
+ },
+ {
+ "txid": "3a286147b25e16ae80aff406f2673c6e565418c40f45c071245cdebc8a94174e",
+ "vout": 1,
+ "scriptSig": "",
+ "txinwitness": "0247304402204586a68e1d97dd3c6928e3622799859f8c3b20c3c670cf654cc905c9be29fdb7022043fbcde1689f3f4045e8816caf6163624bd19e62e4565bc99f95c533e599782c012103557ef3e55b0a52489b4454c1169e06bdea43687a69c1f190eb50781644ab6975",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "00149860538b5575962776ed0814ae222c7d60c72d7b"
+ }
+ },
+ "private_key": "592095f44bb766d5cfe20bda71f9575ed2df6b9fb9addc7e5fdffe0923841456"
+ }
+ ],
+ "recipients": [
+ "sp1qqtrqglu5g8kh6mfsg4qxa9wq0nv9cauwfwxw70984wkqnw2uwz0w2qnehen8a7wuhwk9tgrzjh8gwzc8q2dlekedec5djk0js9d3d7qhnq6lqj3s"
+ ]
+ },
+ "expected": {
+ "outputs": [
+ []
+ ]
+ }
+ }
+ ],
+ "receiving": [
+ {
+ "given": {
+ "vin": [
+ {
+ "txid": "3a286147b25e16ae80aff406f2673c6e565418c40f45c071245cdebc8a94174e",
+ "vout": 0,
+ "scriptSig": "",
+ "txinwitness": "024730440220085003179ce1a3a88ce0069aa6ea045e140761ab88c22a26ae2a8cfe983a6e4602204a8a39940f0735c8a4424270ac8da65240c261ab3fda9272f6d6efbf9cfea366012102557ef3e55b0a52489b4454c1169e06bdea43687a69c1f190eb50781644ab6975",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "00149d9e24f9fab4e35bf1a6df4b46cb533296ac0792"
+ }
+ }
+ },
+ {
+ "txid": "3a286147b25e16ae80aff406f2673c6e565418c40f45c071245cdebc8a94174e",
+ "vout": 1,
+ "scriptSig": "",
+ "txinwitness": "0247304402204586a68e1d97dd3c6928e3622799859f8c3b20c3c670cf654cc905c9be29fdb7022043fbcde1689f3f4045e8816caf6163624bd19e62e4565bc99f95c533e599782c012103557ef3e55b0a52489b4454c1169e06bdea43687a69c1f190eb50781644ab6975",
+ "prevout": {
+ "scriptPubKey": {
+ "hex": "00149860538b5575962776ed0814ae222c7d60c72d7b"
+ }
+ }
+ }
+ ],
+ "outputs": [
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ ],
+ "key_material": {
+ "spend_priv_key": "0000000000000000000000000000000000000000000000000000000000000001",
+ "scan_priv_key": "0000000000000000000000000000000000000000000000000000000000000002"
+ },
+ "labels": []
+ },
+ "expected": {
+ "addresses": [
+ "sp1qqtrqglu5g8kh6mfsg4qxa9wq0nv9cauwfwxw70984wkqnw2uwz0w2qnehen8a7wuhwk9tgrzjh8gwzc8q2dlekedec5djk0js9d3d7qhnq6lqj3s"
+ ],
+ "outputs": []
+ }
+ }
+ ]
+ }
+]
diff --git a/NBitcoin/BIP352/Extensions.cs b/NBitcoin/BIP352/Extensions.cs
new file mode 100644
index 000000000..a3445ba3f
--- /dev/null
+++ b/NBitcoin/BIP352/Extensions.cs
@@ -0,0 +1,34 @@
+#if HAS_SPAN
+using System;
+using NBitcoin.DataEncoders;
+
+namespace NBitcoin.BIP352
+{
+
+ public static class Extensions
+ {
+ public static SilentPaymentBech32Encoder GetSilentPaymentBech32Encoder(this Network network) =>
+ new(Encoders.ASCII.DecodeData(GetHrpForNetwork(network)));
+
+ private static string GetHrpForNetwork(Network network)
+ {
+ if (network == Network.Main)
+ {
+ return "sp";
+ }
+
+ if (network == Network.TestNet)
+ {
+ return "tsp";
+ }
+
+ if (network == Network.RegTest)
+ {
+ return "tprt";
+ }
+
+ throw new ArgumentException($"Network {network.Name} is not supported");
+ }
+ }
+}
+#endif
diff --git a/NBitcoin/BIP352/SilentPayment.cs b/NBitcoin/BIP352/SilentPayment.cs
new file mode 100644
index 000000000..1159b6ec4
--- /dev/null
+++ b/NBitcoin/BIP352/SilentPayment.cs
@@ -0,0 +1,257 @@
+#if HAS_SPAN
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NBitcoin.Crypto;
+using NBitcoin.DataEncoders;
+using NBitcoin.Secp256k1;
+
+namespace NBitcoin.BIP352
+{
+ public static class SilentPayment
+ {
+ private static readonly byte[] NUMS =
+ Encoders.Hex.DecodeData("50929b74c1a04954b78b4b6035e97a5e078a5a0f28ec96d547bfee9ace803ac0");
+
+ public static PubKey ComputeSharedSecretReceiver(OutPoint[] prevOuts, PubKey[] pubKeys, Key b) =>
+ ComputeSharedSecret(prevOuts, A: SumPublicKeys(pubKeys), b);
+
+ public static PubKey ComputeSharedSecretReceiver(PubKey tweakData, Key b) =>
+ tweakData.GetSharedPubkey(b);
+
+ public static PubKey TweakData(OutPoint[] inputs, PubKey[] pubKeys) =>
+ TweakData(inputs, SumPublicKeys(pubKeys));
+
+ public static Dictionary GetPubKeys(
+ IEnumerable recipients, Utxo[] utxos) =>
+ recipients
+ .GroupBy(x => x.ScanKey, (scanKey, addresses) =>
+ {
+ var sharedSecret = ComputeSharedSecretSender(utxos, scanKey);
+ return addresses.Select((addr, k) => (
+ Address: addr,
+ PubKey: ComputePubKey(addr.SpendKey, sharedSecret, (uint) k)));
+ })
+ .SelectMany(x => x)
+ .GroupBy(x => x.Address)
+ .ToDictionary(x => x.Key, x => x.Select(y => y.PubKey).ToArray());
+
+ public static (SilentPaymentAddress Address, PubKey PubKey)[] GetPubKeys(
+ IEnumerable addresses,
+ PubKey sharedSecret, PubKey[] outputs) =>
+ Enumerable
+ .Range(0, outputs.Length)
+ .Select(n => addresses.Select(address =>
+ (Address: address, PubKey: ComputePubKey(address.SpendKey, sharedSecret, (uint) n))))
+ .SelectMany(x => x)
+ .Where(x => outputs.Select(o => o.ECKey.Q).Contains(x.PubKey.ECKey.Q))
+ .ToArray();
+
+ public static Dictionary ExtractSilentPaymentScriptPubKeys(
+ SilentPaymentAddress[] addresses, PubKey tweakData, Transaction tx, Key scanKey)
+ {
+ if (!IsElegible(tx))
+ {
+ return [];
+ }
+
+ var pubKeys = tx.Outputs
+ .Where(x => x.ScriptPubKey.IsScriptType(ScriptType.Taproot))
+ .Select(x => PayToTaprootTemplate.Instance.ExtractScriptPubKeyParameters(x.ScriptPubKey))
+ .DropNulls()
+ .Select(x => new PubKey(x.ToBytes()))
+ .ToArray();
+ var sharedSecret = ComputeSharedSecretReceiver(tweakData, scanKey);
+ var silentPaymentOutputs = GetPubKeys(addresses, sharedSecret, pubKeys).GroupBy(x => x.Address);
+ return silentPaymentOutputs.ToDictionary(x => x.Key,
+ x => x.Select(y => new TaprootPubKey(y.PubKey.ToBytes()).ScriptPubKey).ToArray());
+ }
+
+ private static bool IsElegible(Transaction tx) =>
+ tx.Outputs.Any(x => x.ScriptPubKey.IsScriptType(ScriptType.Taproot));
+
+ public static Key CreateLabel(Key scanKey, uint label) =>
+ new (TaggedHash("BIP0352/Label", scanKey.ToBytes().Concat(Serialize32(label)).ToArray()));
+
+ // Let ecdh_shared_secret = input_hash·a·Bscan
+ private static PubKey ComputeSharedSecret(OutPoint[] outpoints, Key a, PubKey B) =>
+ DHSharedSecret(InputHash(outpoints, a.PubKey), B, a);
+
+ // Let ecdh_shared_secret = input_hash·bscan·A
+ private static PubKey ComputeSharedSecret(OutPoint[] outpoints, PubKey A, Key b) =>
+ DHSharedSecret(InputHash(outpoints, A), A, b);
+
+ private static PubKey DHSharedSecret(Scalar inputHash, PubKey pubKey, Key privKey) =>
+ TweakData(inputHash, pubKey).GetSharedPubkey(privKey);
+
+ private static PubKey TweakData(OutPoint[] inputs, PubKey A) =>
+ TweakData(InputHash(inputs, A), A);
+
+ private static PubKey TweakData(Scalar inputHash, PubKey pubKey) =>
+ new (new ECXOnlyPubKey((inputHash * pubKey.ECKey.Q).ToGroupElement(), null).ToBytes());
+
+ // let tk = hash_BIP0352/SharedSecret(serP(ecdh_shared_secret) || ser32(k))
+ public static Key TweakKey(PubKey sharedSecret, uint k) =>
+ new ( TaggedHash( "BIP0352/SharedSecret", sharedSecret.ToBytes().Concat(Serialize32(k)).ToArray()));
+
+ public static PubKey ComputeSharedSecretSender(Utxo[] utxos, PubKey B)
+ {
+ using var a = SumPrivateKeys(utxos);
+ return ComputeSharedSecret(utxos.Select(x => x.OutPoint).ToArray(), a, B);
+ }
+
+ // Let input_hash = hashBIP0352/Inputs(outpointL || A)
+ private static Scalar InputHash(OutPoint[] outpoints, PubKey A)
+ {
+ var outpointL = outpoints.Select(x => x.ToBytes()).OrderBy(x => x, BytesComparer.Instance).First();
+ var hash = TaggedHash("BIP0352/Inputs", outpointL.Concat(A.ToBytes()).ToArray());
+ return new Scalar(hash);
+ }
+
+ public static Key ComputePrivKey(Key spendKey, PubKey sharedSecret, uint k)
+ {
+ using var tweakKey = TweakKey(sharedSecret, k);
+ return ComputePrivKey(spendKey, tweakKey);
+ }
+
+ public static Key ComputePrivKey(Key spendKey, Key tweakKey) =>
+ new ((tweakKey._ECKey.sec + spendKey._ECKey.sec).ToBytes());
+
+ public static PubKey? ExtractPubKey(Script scriptSig, WitScript txInWitness, Script prevOutScriptPubKey)
+ {
+ var spk = prevOutScriptPubKey;
+ if (txInWitness != WitScript.Empty && spk.IsScriptType(ScriptType.Taproot))
+ {
+ var pubKeyParameters = PayToTaprootTemplate.Instance.ExtractScriptPubKeyParameters(spk);
+ var annex = txInWitness[txInWitness.PushCount - 1][^1] == 0x50 ? 1 : 0;
+ if (txInWitness.PushCount > annex &&
+ BytesComparer.Instance.Compare(txInWitness[txInWitness.PushCount - annex - 1][1..33], NUMS) == 0)
+ {
+ return null;
+ }
+
+ return new PubKey(pubKeyParameters.ToBytes());
+ }
+
+ if (txInWitness != WitScript.Empty && spk.IsScriptType(ScriptType.P2WPKH))
+ {
+ var witScriptParameters =
+ PayToWitPubKeyHashTemplate.Instance.ExtractWitScriptParameters(txInWitness);
+ if (witScriptParameters is { } nonNullWitScriptParameters &&
+ nonNullWitScriptParameters.PublicKey.IsCompressed)
+ {
+ var q = nonNullWitScriptParameters.PublicKey;
+ return q.ToBytes()[0] == 0x02 ? q : new PubKey(new ECXOnlyPubKey(q.ECKey.Q.Negate(), null).ToBytes());
+ }
+ }
+
+ if (scriptSig != Script.Empty && spk.IsScriptType(ScriptType.P2PKH))
+ {
+ var pubKeyId = PayToPubkeyHashTemplate.Instance.ExtractScriptPubKeyParameters(spk);
+ var pubKeyHash = new uint160(pubKeyId.ToBytes());
+
+ var scriptSigBytes = scriptSig.ToBytes();
+ var pubKeyBytes = Enumerable.Range(33, scriptSigBytes.Length - 32)
+ .Reverse()
+ .Select(i => scriptSigBytes[(i - 33)..i])
+ .Where(pkb => pkb[0] is 2 or 3 or 4)
+ .FirstOrDefault(pkb => Hashes.Hash160(pkb) == pubKeyHash);
+
+ return pubKeyBytes != null
+ ? new PubKey(pubKeyBytes)
+ : null;
+ }
+
+ if (scriptSig != Script.Empty && spk.IsScriptType(ScriptType.P2SH))
+ {
+ var p2sh = PayToScriptHashTemplate.Instance.ExtractScriptSigParameters(scriptSig);
+ if (txInWitness != WitScript.Empty && p2sh is not null &&
+ p2sh.RedeemScript.IsScriptType(ScriptType.P2WPKH))
+ {
+ var witScriptParameters =
+ PayToWitPubKeyHashTemplate.Instance.ExtractWitScriptParameters(txInWitness);
+ if (witScriptParameters is {PublicKey.IsCompressed: true})
+ {
+ var q = witScriptParameters.PublicKey;
+ return q.ToBytes()[0] == 0x02 ? q : new PubKey(q.ECKey.Negate().ToXOnlyPubKey().ToBytes());
+ }
+ }
+ }
+
+ return null;
+ }
+
+ internal static PubKey ComputePubKey(PubKey Bm, PubKey sharedSecret, uint k)
+ {
+ using var tk = TweakKey(sharedSecret, k);
+
+ // Let Pmk = k·G + Bm
+ var pmk = tk.PubKey.ECKey.Q.ToGroupElementJacobian() + Bm.ECKey.Q;
+ return new PubKey(new ECXOnlyPubKey(pmk.ToGroupElement(), null).ToBytes());
+ }
+
+ private static Key SumPrivateKeys(IEnumerable utxos)
+ {
+ var sum = utxos
+ .Select(x => NegateKey(x.SigningKey, x.ScriptPubKey.IsScriptType(ScriptType.Taproot)))
+ .Aggregate(Scalar.Zero, (acc, key) => acc.Add(key.sec));
+
+ return new Key(sum.ToBytes());
+
+ ECPrivKey NegateKey(Key key, bool isTaproot)
+ {
+ var pk = ECPrivKey.Create(key.ToBytes());
+ pk.CreateXOnlyPubKey(out var parity);
+ return isTaproot && parity ? ECPrivKey.Create(pk.sec.Negate().ToBytes()) : pk;
+ }
+ }
+
+ // Let A = A1 + A2 + ... + An
+ private static PubKey SumPublicKeys(IEnumerable pubKeys) =>
+ new PubKey(new ECXOnlyPubKey(pubKeys.Aggregate(GEJ.Infinity, (acc, key) => acc + key.ECKey.Q).ToGroupElement(), null).ToBytes());
+
+ private static byte[] TaggedHash(string tag, byte[] data)
+ {
+ var tagHash = Hashes.SHA256(Encoding.UTF8.GetBytes(tag));
+ var concat = tagHash.Concat(tagHash).Concat(data);
+ return Hashes.SHA256(concat);
+ }
+
+ private static byte[] Serialize32(uint i)
+ {
+ var result = new byte[4];
+ BitConverter.GetBytes(i).CopyTo(result, 0);
+ if (BitConverter.IsLittleEndian)
+ {
+ Array.Reverse(result);
+ }
+
+ return result;
+ }
+ }
+
+ public class Utxo
+ {
+ public Utxo(OutPoint OutPoint, Key SigningKey, Script ScriptPubKey)
+ {
+ this.OutPoint = OutPoint;
+ this.SigningKey = SigningKey;
+ this.ScriptPubKey = ScriptPubKey;
+ }
+
+ public OutPoint OutPoint { get; }
+ public Key SigningKey { get; }
+ public Script ScriptPubKey { get; }
+ }
+
+ static class LinqExtensions
+ {
+ public static IEnumerable DropNulls(this IEnumerable source) where T: class =>
+ source.Where(x => x is not null).Select(x => x!);
+
+ public static IEnumerable DropNulls(this IEnumerable source) where T: struct =>
+ source.Where(x => x.HasValue).Select(x => x!.Value);
+ }
+}
+#endif
diff --git a/NBitcoin/BIP352/SilentPaymentAddress.cs b/NBitcoin/BIP352/SilentPaymentAddress.cs
new file mode 100644
index 000000000..455863bc8
--- /dev/null
+++ b/NBitcoin/BIP352/SilentPaymentAddress.cs
@@ -0,0 +1,63 @@
+#if HAS_SPAN
+using System;
+using NBitcoin.DataEncoders;
+using NBitcoin.Secp256k1;
+
+namespace NBitcoin.BIP352
+{
+ public class SilentPaymentAddress
+ {
+ public SilentPaymentAddress(int Version, PubKey ScanKey, PubKey SpendKey)
+ {
+ this.Version = Version;
+ this.ScanKey = ScanKey;
+ this.SpendKey = SpendKey;
+ }
+
+ public static SilentPaymentAddress Parse(string encoded, Network network)
+ {
+ var spEncoder = network.GetSilentPaymentBech32Encoder();
+ var result = spEncoder.DecodeDataRaw(encoded, out _);
+ var version = result[0];
+ if (version != 0)
+ {
+ throw new FormatException("Unexpected version of silent payment code");
+ }
+
+ if (result.Length != 107)
+ {
+ throw new FormatException("Wrong length");
+ }
+
+ var data = spEncoder.FromBase32(result[1..]);
+ return new SilentPaymentAddress(
+ Version: 0,
+ ScanKey: new PubKey(data[..33]),
+ SpendKey: new PubKey(data[33..]));
+ }
+
+ public string ToWip(Network network)
+ {
+ var spEncoder = network.GetSilentPaymentBech32Encoder();
+ var data = new byte[66];
+ Buffer.BlockCopy(ScanKey.ToBytes(), 0, data, 0, 33);
+ Buffer.BlockCopy(SpendKey.ToBytes(), 0, data, 33, 33);
+ var base32 = spEncoder.ToBase32(data);
+ var buffer = new byte[base32.Length + 1];
+ buffer[0] = (byte) Version;
+ Buffer.BlockCopy(base32, 0, buffer, 1, base32.Length);
+ return spEncoder.EncodeRaw(buffer, Bech32EncodingType.BECH32M);
+ }
+
+ public SilentPaymentAddress DeriveAddressForLabel(PubKey mG)
+ {
+ var bm = new ECXOnlyPubKey((SpendKey.ECKey.Q.ToGroupElementJacobian() + mG.ECKey.Q).ToGroupElement(), null);
+ return new SilentPaymentAddress(Version, ScanKey,new PubKey(bm.ToBytes()));
+ }
+
+ public int Version { get; }
+ public PubKey ScanKey { get; }
+ public PubKey SpendKey { get; }
+ }
+}
+#endif
diff --git a/NBitcoin/BIP352/SilentPaymentBech32Encoder.cs b/NBitcoin/BIP352/SilentPaymentBech32Encoder.cs
new file mode 100644
index 000000000..7d4510777
--- /dev/null
+++ b/NBitcoin/BIP352/SilentPaymentBech32Encoder.cs
@@ -0,0 +1,21 @@
+#if HAS_SPAN
+using System;
+using NBitcoin.DataEncoders;
+
+namespace NBitcoin.BIP352
+{
+ public class SilentPaymentBech32Encoder : Bech32Encoder
+ {
+ public SilentPaymentBech32Encoder(byte[] hrp) : base(hrp)
+ {
+ StrictLength = false;
+ }
+
+ public byte[] FromBase32(ReadOnlySpan data) =>
+ ConvertBits(data, 5, 8, false);
+
+ public byte[] ToBase32(ReadOnlySpan data) =>
+ ConvertBits(data, 8, 5);
+ }
+}
+#endif