X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Fenforcing_trait_impls.rs;fp=lightning%2Fsrc%2Futil%2Fenforcing_trait_impls.rs;h=f4450cc129d81979cedbf1580e5cc3a0450dad62;hb=71f4749e1c0d48a916c1ba3b0631d7796f61c074;hp=b4b66e8f5feb97d52ff52be9e046b55aa71bd532;hpb=d2a9ae0b8eb5bdb1724be0b8d398d0fdf9870266;p=rust-lightning

diff --git a/lightning/src/util/enforcing_trait_impls.rs b/lightning/src/util/enforcing_trait_impls.rs
index b4b66e8f..f4450cc1 100644
--- a/lightning/src/util/enforcing_trait_impls.rs
+++ b/lightning/src/util/enforcing_trait_impls.rs
@@ -160,7 +160,16 @@ impl BaseSign for EnforcingSigner {
 
 			let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&this_htlc, self.opt_anchors(), &keys);
 
-			let sighash = hash_to_message!(&sighash::SighashCache::new(&htlc_tx).segwit_signature_hash(0, &htlc_redeemscript, this_htlc.amount_msat / 1000, EcdsaSighashType::All).unwrap()[..]);
+			let sighash_type = if self.opt_anchors() {
+				EcdsaSighashType::SinglePlusAnyoneCanPay
+			} else {
+				EcdsaSighashType::All
+			};
+			let sighash = hash_to_message!(
+				&sighash::SighashCache::new(&htlc_tx).segwit_signature_hash(
+					0, &htlc_redeemscript, this_htlc.amount_msat / 1000, sighash_type,
+				).unwrap()[..]
+			);
 			secp_ctx.verify_ecdsa(&sighash, sig, &keys.countersignatory_htlc_key).unwrap();
 		}