From 30b4b43846eb9225f2d38c162a3d026f10c0390c Mon Sep 17 00:00:00 2001
From: Leo Nash <hello@leonash.net>
Date: Mon, 2 Dec 2024 19:32:04 +0000
Subject: [PATCH] move counterparty payment script to default channelsigner

---
 lightning/src/sign/mod.rs                 | 9 +++------
 lightning/src/util/test_channel_signer.rs | 3 ---
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/lightning/src/sign/mod.rs b/lightning/src/sign/mod.rs
index 3faa566f055..cd280381166 100644
--- a/lightning/src/sign/mod.rs
+++ b/lightning/src/sign/mod.rs
@@ -741,7 +741,9 @@ pub trait ChannelSigner {
 	/// Document this next
 	fn get_counterparty_payment_script(
 		&self, channel_type_features: &ChannelTypeFeatures, payment_key: &PublicKey,
-	) -> ScriptBuf;
+	) -> ScriptBuf {
+		chan_utils::get_counterparty_payment_script(channel_type_features, payment_key)
+	}
 	/// Gets the per-commitment point for a specific commitment number
 	///
 	/// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards.
@@ -1337,11 +1339,6 @@ impl EntropySource for InMemorySigner {
 }
 
 impl ChannelSigner for InMemorySigner {
-	fn get_counterparty_payment_script(
-		&self, channel_type_features: &ChannelTypeFeatures, payment_key: &PublicKey,
-	) -> ScriptBuf {
-		chan_utils::get_counterparty_payment_script(channel_type_features, payment_key)
-	}
 	fn get_per_commitment_point(
 		&self, idx: u64, secp_ctx: &Secp256k1<secp256k1::All>,
 	) -> Result<PublicKey, ()> {
diff --git a/lightning/src/util/test_channel_signer.rs b/lightning/src/util/test_channel_signer.rs
index 4a9122d9858..b40f897d211 100644
--- a/lightning/src/util/test_channel_signer.rs
+++ b/lightning/src/util/test_channel_signer.rs
@@ -165,9 +165,6 @@ impl TestChannelSigner {
 }
 
 impl ChannelSigner for TestChannelSigner {
-	fn get_counterparty_payment_script(&self, channel_type_features: &ChannelTypeFeatures, payment_key: &PublicKey) -> ScriptBuf {
-		chan_utils::get_counterparty_payment_script(channel_type_features, payment_key)
-	}
 	fn get_per_commitment_point(&self, idx: u64, secp_ctx: &Secp256k1<secp256k1::All>) -> Result<PublicKey, ()> {
 		#[cfg(test)]
 		if !self.is_signer_available(SignerOp::GetPerCommitmentPoint) {