mirrors/rust-lightning
1
0
Fork 0
mirror of https://github.com/lightningdevkit/rust-lightning.git synced 2025-02-24 15:02:20 +01:00
Code Issues Projects Releases Packages Wiki Activity

Expose witness_script for StaticPaymentOutputDescriptor

Browse source
This commit is contained in:
Wilmer Paulino 2023-09-28 12:31:43 -07:00
parent 9f3bb7d7a5
commit f464aa97c3
No known key found for this signature in database
GPG key ID: 634FE5FC544DCA31
1 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
lightning/src/sign/mod.rs
View file

@ -134,6 +134,22 @@ pub struct StaticPaymentOutputDescriptor {
pub channel_transaction_parameters: Option<ChannelTransactionParameters>,
}
impl StaticPaymentOutputDescriptor {
/// Returns the `witness_script` of the spendable output.
///
/// Note that this will only return `Some` for [`StaticPaymentOutputDescriptor`]s that
/// originated from an anchor outputs channel, as they take the form of a P2WSH script.
pub fn witness_script(&self) -> Option<Script> {
self.channel_transaction_parameters.as_ref()
.and_then(|channel_params|
if channel_params.channel_type_features.supports_anchors_zero_fee_htlc_tx() {
let payment_point = channel_params.holder_pubkeys.payment_point;
Some(chan_utils::get_to_countersignatory_with_anchors_redeemscript(&payment_point))
} else {
None
}
)
}
/// The maximum length a well-formed witness spending one of these should have.
/// Note: If you have the grind_signatures feature enabled, this will be at least 1 byte
/// shorter.