Remove useless htlc_redeemscript argument

diff --git a/src/ln/chan_utils.rs b/src/ln/chan_utils.rs
index eb85c0e1f3e1a985d39be9161c3d9e670ed50a4e..dfe17c5911e711e3601d90670879718b24ecbcd8 100644 (file)
--- a/src/ln/chan_utils.rs
+++ b/src/ln/chan_utils.rs
@@ -230,6 +230,6 @@ pub fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommitment, a
 /// note here that 'a_revocation_key' is generated using b_revocation_basepoint and a's
 /// commitment secret. 'htlc' does *not* need to have its previous_output_index filled.
 #[inline]
-pub fn get_htlc_redeemscript(htlc: &HTLCOutputInCommitment, keys: &TxCreationKeys, offered: bool) -> Script {
-       get_htlc_redeemscript_with_explicit_keys(htlc, &keys.a_htlc_key, &keys.b_htlc_key, &keys.revocation_key, offered)
+pub fn get_htlc_redeemscript(htlc: &HTLCOutputInCommitment, keys: &TxCreationKeys) -> Script {
+       get_htlc_redeemscript_with_explicit_keys(htlc, &keys.a_htlc_key, &keys.b_htlc_key, &keys.revocation_key, htlc.offered)
 }

diff --git a/src/ln/channel.rs b/src/ln/channel.rs
index 5446dd914353c23bd034f61e54e59e084461a939..b8a5bb66c5d39279f2e322d37ea7e4dfe4861703 100644 (file)
--- a/src/ln/channel.rs
+++ b/src/ln/channel.rs
@@ -555,7 +555,7 @@ impl Channel {
                                        if htlc.amount_msat / 1000 >= dust_limit_satoshis + (self.feerate_per_kw * HTLC_TIMEOUT_TX_WEIGHT / 1000) {
                                                let htlc_in_tx = htlc.get_in_commitment(true);
                                                txouts.push((TxOut {
-                                                       script_pubkey: chan_utils::get_htlc_redeemscript(&htlc_in_tx, &keys, true).to_v0_p2wsh(),
+                                                       script_pubkey: chan_utils::get_htlc_redeemscript(&htlc_in_tx, &keys).to_v0_p2wsh(),
                                                        value: htlc.amount_msat / 1000
                                                }, Some(htlc_in_tx)));
                                        }
@@ -563,7 +563,7 @@ impl Channel {
                                        if htlc.amount_msat / 1000 >= dust_limit_satoshis + (self.feerate_per_kw * HTLC_SUCCESS_TX_WEIGHT / 1000) {
                                                let htlc_in_tx = htlc.get_in_commitment(false);
                                                txouts.push((TxOut { // "received HTLC output"
-                                                       script_pubkey: chan_utils::get_htlc_redeemscript(&htlc_in_tx, &keys, false).to_v0_p2wsh(),
+                                                       script_pubkey: chan_utils::get_htlc_redeemscript(&htlc_in_tx, &keys).to_v0_p2wsh(),
                                                        value: htlc.amount_msat / 1000
                                                }, Some(htlc_in_tx)));
                                        }
@@ -812,7 +812,7 @@ impl Channel {
                        panic!("Tried to re-sign HTLC transaction");
                }
 
-               let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys, htlc.offered);
+               let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys);
 
                let our_htlc_key = secp_derived_key!(chan_utils::derive_private_key(&self.secp_ctx, &keys.per_commitment_point, &self.local_keys.htlc_base_key));
                let sighash = Message::from_slice(&bip143::SighashComponents::new(&tx).sighash_all(&tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
@@ -1274,7 +1274,7 @@ impl Channel {
 
                for (idx, ref htlc) in local_commitment_tx.1.iter().enumerate() {
                        let htlc_tx = self.build_htlc_transaction(&local_commitment_txid, htlc, true, &local_keys)?;
-                       let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &local_keys, htlc.offered);
+                       let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &local_keys);
                        let htlc_sighash = Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
                        secp_call!(self.secp_ctx.verify(&htlc_sighash, &msg.htlc_signatures[idx], &local_keys.b_htlc_key), "Invalid HTLC tx siganture from peer");
                }
@@ -1935,7 +1935,7 @@ impl Channel {
 
                for ref htlc in remote_commitment_tx.1.iter() {
                        let htlc_tx = self.build_htlc_transaction(&remote_commitment_txid, htlc, false, &remote_keys)?;
-                       let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &remote_keys, htlc.offered);
+                       let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &remote_keys);
                        let htlc_sighash = Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
                        let our_htlc_key = secp_derived_key!(chan_utils::derive_private_key(&self.secp_ctx, &remote_keys.per_commitment_point, &self.local_keys.htlc_base_key));
                        htlc_sigs.push(self.secp_ctx.sign(&htlc_sighash, &our_htlc_key).unwrap());
@@ -2090,7 +2090,7 @@ mod tests {
 
                                let ref htlc = unsigned_tx.1[$htlc_idx];
                                let mut htlc_tx = chan.build_htlc_transaction(&unsigned_tx.0.txid(), &htlc, true, &keys).unwrap();
-                               let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys, htlc.offered);
+                               let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &keys);
                                let htlc_sighash = Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
                                secp_ctx.verify(&htlc_sighash, &remote_signature, &keys.b_htlc_key).unwrap();