Merge pull request #1810 from TheBlueMatt/2022-10-112-bindings-base
[rust-lightning] / lightning / src / onion_message / functional_tests.rs
index 356e1f3cdafafe6fec5d25bcaeada4da7bc5cedc..efa6507bd325245185d67e891f0db61a133d3faf 100644 (file)
@@ -9,19 +9,21 @@
 
 //! Onion message testing and test utilities live here.
 
-use chain::keysinterface::{KeysInterface, Recipient};
-use ln::features::InitFeatures;
-use ln::msgs::{self, DecodeError, OnionMessageHandler};
-use super::{BlindedRoute, CustomOnionMessageContents, CustomOnionMessageHandler, Destination, OnionMessageContents, OnionMessenger, SendError};
-use util::enforcing_trait_impls::EnforcingSigner;
-use util::ser::{MaybeReadableArgs, Writeable, Writer};
-use util::test_utils;
+use crate::chain::keysinterface::{KeysInterface, Recipient};
+use crate::ln::features::InitFeatures;
+use crate::ln::msgs::{self, DecodeError, OnionMessageHandler};
+use super::blinded_route::BlindedRoute;
+use super::messenger::{CustomOnionMessageHandler, Destination, OnionMessenger, SendError};
+use super::packet::{CustomOnionMessageContents, OnionMessageContents};
+use crate::util::enforcing_trait_impls::EnforcingSigner;
+use crate::util::ser::{ Writeable, Writer};
+use crate::util::test_utils;
 
 use bitcoin::network::constants::Network;
 use bitcoin::secp256k1::{PublicKey, Secp256k1};
 
-use io;
-use sync::Arc;
+use crate::io;
+use crate::sync::Arc;
 
 struct MessengerNode {
        keys_manager: Arc<test_utils::TestKeysInterface>,
@@ -54,8 +56,12 @@ impl Writeable for TestCustomMessage {
        }
 }
 
-impl MaybeReadableArgs<u64> for TestCustomMessage {
-       fn read<R: io::Read>(buffer: &mut R, message_type: u64) -> Result<Option<Self>, DecodeError> where Self: Sized {
+struct TestCustomMessageHandler {}
+
+impl CustomOnionMessageHandler for TestCustomMessageHandler {
+       type CustomMessage = TestCustomMessage;
+       fn handle_custom_message(&self, _msg: Self::CustomMessage) {}
+       fn read_custom_message<R: io::Read>(&self, message_type: u64, buffer: &mut R) -> Result<Option<Self::CustomMessage>, DecodeError> where Self: Sized {
                if message_type == CUSTOM_MESSAGE_TYPE {
                        let mut buf = Vec::new();
                        buffer.read_to_end(&mut buf)?;
@@ -66,13 +72,6 @@ impl MaybeReadableArgs<u64> for TestCustomMessage {
        }
 }
 
-struct TestCustomMessageHandler {}
-
-impl CustomOnionMessageHandler for TestCustomMessageHandler {
-       type CustomMessage = TestCustomMessage;
-       fn handle_custom_message(&self, _msg: Self::CustomMessage) {}
-}
-
 fn create_nodes(num_messengers: u8) -> Vec<MessengerNode> {
        let mut nodes = Vec::new();
        for i in 0..num_messengers {
@@ -217,6 +216,27 @@ fn reply_path() {
                format!("Received an onion message with path_id None and a reply_path").to_string(), 2);
 }
 
+#[test]
+fn invalid_custom_message_type() {
+       let nodes = create_nodes(2);
+
+       struct InvalidCustomMessage{}
+       impl CustomOnionMessageContents for InvalidCustomMessage {
+               fn tlv_type(&self) -> u64 {
+                       // Onion message contents must have a TLV >= 64.
+                       63
+               }
+       }
+
+       impl Writeable for InvalidCustomMessage {
+               fn write<W: Writer>(&self, _w: &mut W) -> Result<(), io::Error> { unreachable!() }
+       }
+
+       let test_msg = OnionMessageContents::Custom(InvalidCustomMessage {});
+       let err = nodes[0].messenger.send_onion_message(&[], Destination::Node(nodes[1].get_node_pk()), test_msg, None).unwrap_err();
+       assert_eq!(err, SendError::InvalidMessage);
+}
+
 #[test]
 fn peer_buffer_full() {
        let nodes = create_nodes(2);