X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Fenforcing_trait_impls.rs;h=1a9038a2f5dc1c3c2122e71f8f6a5b0d4e945782;hb=ff9840ea35d90bb0ceb004be2ebe16a4c62c5ae0;hp=21ef5d4b17887361d4faed1b885ecb765c6a2339;hpb=2390dbcb2236888f1a06f8b5666486eb54ace4b1;p=rust-lightning

diff --git a/lightning/src/util/enforcing_trait_impls.rs b/lightning/src/util/enforcing_trait_impls.rs
index 21ef5d4b..1a9038a2 100644
--- a/lightning/src/util/enforcing_trait_impls.rs
+++ b/lightning/src/util/enforcing_trait_impls.rs
@@ -23,6 +23,8 @@ use bitcoin::util::sighash;
 use bitcoin::secp256k1;
 use bitcoin::secp256k1::{SecretKey, PublicKey};
 use bitcoin::secp256k1::{Secp256k1, ecdsa::Signature};
+#[cfg(anchors)]
+use crate::util::events::HTLCDescriptor;
 use crate::util::ser::{Writeable, Writer};
 use crate::io::Error;
 
@@ -190,6 +192,17 @@ impl BaseSign for EnforcingSigner {
 		Ok(self.inner.sign_justice_revoked_htlc(justice_tx, input, amount, per_commitment_key, htlc, secp_ctx).unwrap())
 	}
 
+	#[cfg(anchors)]
+	fn sign_holder_htlc_transaction(
+		&self, htlc_tx: &Transaction, input: usize, htlc_descriptor: &HTLCDescriptor,
+		secp_ctx: &Secp256k1<secp256k1::All>
+	) -> Result<Signature, ()> {
+		let per_commitment_point = self.get_per_commitment_point(htlc_descriptor.per_commitment_number, secp_ctx);
+		assert_eq!(htlc_tx.input[input], htlc_descriptor.unsigned_tx_input());
+		assert_eq!(htlc_tx.output[input], htlc_descriptor.tx_output(&per_commitment_point, secp_ctx));
+		Ok(self.inner.sign_holder_htlc_transaction(htlc_tx, input, htlc_descriptor, secp_ctx).unwrap())
+	}
+
 	fn sign_counterparty_htlc_transaction(&self, htlc_tx: &Transaction, input: usize, amount: u64, per_commitment_point: &PublicKey, htlc: &HTLCOutputInCommitment, secp_ctx: &Secp256k1<secp256k1::All>) -> Result<Signature, ()> {
 		Ok(self.inner.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc, secp_ctx).unwrap())
 	}