spendable_outputs sanity check

Author: vss96

lightning/src/chain/keysinterface.rs

@@ -1035,6 +1035,8 @@ impl KeysManager {
 						assert_eq!(pubkey.key, self.shutdown_pubkey);
 					}
 					let witness_script = bitcoin::Address::p2pkh(&pubkey, Network::Testnet).script_pubkey();
+					let payment_script = bitcoin::Address::p2wpkh(&pubkey, Network::Testnet).expect("uncompressed key found").script_pubkey();
+					assert_eq!(payment_script, output.script_pubkey);
 					let sighash = hash_to_message!(&bip143::SigHashCache::new(&spend_tx).signature_hash(input_idx, &witness_script, output.value, SigHashType::All)[..]);
 					let sig = secp_ctx.sign(&sighash, &secret.private_key.key);
 					spend_tx.input[input_idx].witness.push(sig.serialize_der().to_vec());