+ let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.node_signature_1, &msg.contents.node_id_1);
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.node_signature_2, &msg.contents.node_id_2);
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.bitcoin_signature_1, &msg.contents.bitcoin_key_1);
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.bitcoin_signature_2, &msg.contents.bitcoin_key_2);
+ self.update_channel_from_unsigned_announcement_intern(&msg.contents, Some(msg), chain_access)
+ }
+
+ /// Store or update channel info from a channel announcement without verifying the associated
+ /// signatures. Because we aren't given the associated signatures here we cannot relay the
+ /// channel announcement to any of our peers.
+ ///
+ /// If a `chain::Access` object is provided via `chain_access`, it will be called to verify
+ /// the corresponding UTXO exists on chain and is correctly-formatted.
+ pub fn update_channel_from_unsigned_announcement<C: Deref>
+ (&mut self, msg: &msgs::UnsignedChannelAnnouncement, chain_access: &Option<C>)
+ -> Result<(), LightningError>
+ where C::Target: chain::Access {
+ self.update_channel_from_unsigned_announcement_intern(msg, None, chain_access)
+ }