fix tests

Author: arik-so

lightning/src/chain/keysinterface.rs

@@ -1336,6 +1336,13 @@ impl NodeSigner for PhantomKeysManager {
 			Recipient::PhantomNode => Ok(self.phantom_secret.clone()),
 		}
 	}
+
+	// We need to override the invoice signing implementation for phantom keys managers
+	fn sign_invoice<C: Signing>(&self, hrp_bytes: &[u8], invoice_data: &[u5], recipient: Recipient, _secp_context: &Secp256k1<C>) -> Result<RecoverableSignature, ()> {
+		let preimage = construct_invoice_preimage(&hrp_bytes, &invoice_data);
+		let secret = self.get_node_secret(recipient)?;
+		Ok(self.inner.secp_ctx.sign_ecdsa_recoverable(&hash_to_message!(&Sha256::hash(&preimage)), &secret))
+	}
 }
 
 impl SignerProvider for PhantomKeysManager {

lightning/src/util/test_utils.rs

@@ -35,7 +35,7 @@ use bitcoin::blockdata::block::Block;
 use bitcoin::network::constants::Network;
 use bitcoin::hash_types::{BlockHash, Txid};
 
-use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, ecdsa::Signature, Scalar};
+use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, ecdsa::Signature, Scalar, Signing};
 use bitcoin::secp256k1::ecdh::SharedSecret;
 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
 
@@ -626,6 +626,10 @@ impl NodeSigner for TestKeysInterface {
 	fn get_node_secret(&self, recipient: Recipient) -> Result<SecretKey, ()> {
 		self.backing.get_node_secret(recipient)
 	}
+
+	fn sign_invoice<C: Signing>(&self, hrp_bytes: &[u8], invoice_data: &[u5], recipient: Recipient, secp_context: &Secp256k1<C>) -> Result<RecoverableSignature, ()> {
+		self.backing.sign_invoice(hrp_bytes, invoice_data, recipient, secp_context)
+	}
 }
 
 impl SignerProvider for TestKeysInterface {