public async Task TrackSpendableOutput(NRustLightningNetwork network,
SpendableOutputDescriptor desc, CancellationToken ct = default)
{
var client = _nbXplorerClientProvider.GetClient(network);
switch (desc)
{
case SpendableOutputDescriptor.StaticOutput staticOutput:
{
var addr = staticOutput.Item.Output.ScriptPubKey.GetDestinationAddress(network.NBitcoinNetwork);
var s = new AddressTrackedSource(addr);
await client.TrackAsync(s, ct);
await client.RPCClient.ImportAddressAsync(addr);
break;
}
case SpendableOutputDescriptor.DynamicOutputP2WSH p2wshOutput:
{
var(param1, param2) = p2wshOutput.Item.KeyDerivationParams.ToValueTuple();
var amountSat = (ulong)p2wshOutput.Item.Output.Value.Satoshi;
var channelKeys = _keysRepository.DeriveChannelKeys(amountSat, param1, param2);
var delayedPaymentKey = Generators.derivePrivKey(_secp256k1Ctx, channelKeys.DelayedPaymentBaseKey, p2wshOutput.Item.PerCommitmentPoint.PubKey);
var toSelfDelay = p2wshOutput.Item.ToSelfDelay;
var revokeableRedeemScript = _keysRepository.GetRevokeableRedeemScript(p2wshOutput.Item.RemoteRevocationPubKey, toSelfDelay, delayedPaymentKey.PubKey);
Debug.Assert(p2wshOutput.Item.Output.ScriptPubKey.Equals(revokeableRedeemScript.WitHash.ScriptPubKey));
var addr =
revokeableRedeemScript.WitHash.ScriptPubKey.GetDestinationAddress(network.NBitcoinNetwork);
var s = new AddressTrackedSource(addr);
await client.TrackAsync(s, ct);
await client.RPCClient.ImportAddressAsync(addr);
break;
}
case SpendableOutputDescriptor.StaticOutputRemotePayment remoteOutput:
{
var(p1, p2) = remoteOutput.Item.KeyDerivationParams.ToValueTuple();
var amountSat = (ulong)remoteOutput.Item.Output.Value;
var keys = _keysRepository.DeriveChannelKeys(amountSat, p1, p2);
Debug.Assert(
keys.PaymentKey.PubKey.WitHash.ScriptPubKey.Equals(remoteOutput.Item.Output.ScriptPubKey));
var addr = remoteOutput.Item.Output.ScriptPubKey.GetDestinationAddress(network.NBitcoinNetwork);
await client.TrackAsync(new AddressTrackedSource(addr), ct);
await client.RPCClient.ImportAddressAsync(addr);
break;
}
}
}
