Expose the current best chain tip from ChannelManager + Monitors

[rust-lightning] / lightning / src / ln / functional_test_utils.rs

diff --git a/lightning/src/ln/functional_test_utils.rs b/lightning/src/ln/functional_test_utils.rs
index fb0435a0d3d94e313502ff15132a3bb162522444..c9dcb8517c323569d975c3bb9240c6c7eb7eae6d 100644 (file)
--- a/lightning/src/ln/functional_test_utils.rs
+++ b/lightning/src/ln/functional_test_utils.rs
@@ -10,11 +10,11 @@
 //! A bunch of useful utilities for building networks of nodes and exchanging messages between
 //! nodes for functional tests.
 
-use chain::{Confirm, Listen, Watch};
+use chain::{BestBlock, Confirm, Listen, Watch};
 use chain::channelmonitor::ChannelMonitor;
 use chain::transaction::OutPoint;
 use ln::{PaymentPreimage, PaymentHash, PaymentSecret};
-use ln::channelmanager::{BestBlock, ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure};
+use ln::channelmanager::{ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure};
 use routing::router::{Route, get_route};
 use routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
 use ln::features::{InitFeatures, InvoiceFeatures};
@@ -44,7 +44,6 @@ use core::cell::RefCell;
 use std::rc::Rc;
 use std::sync::{Arc, Mutex};
 use core::mem;
-use std::collections::HashMap;
 
 pub const CHAN_CONFIRM_DEPTH: u32 = 10;
 
@@ -222,6 +221,9 @@ impl<'a, 'b, 'c> Node<'a, 'b, 'c> {
        pub fn best_block_info(&self) -> (BlockHash, u32) {
                self.blocks.lock().unwrap().last().map(|(a, b)| (a.block_hash(), *b)).unwrap()
        }
+       pub fn get_block_header(&self, height: u32) -> BlockHeader {
+               self.blocks.lock().unwrap()[height as usize].0
+       }
 }
 
 impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
@@ -998,6 +1000,30 @@ macro_rules! expect_payment_sent {
        }
 }
 
+#[cfg(test)]
+macro_rules! expect_payment_failure_chan_update {
+       ($node: expr, $scid: expr, $chan_closed: expr) => {
+               let events = $node.node.get_and_clear_pending_msg_events();
+               assert_eq!(events.len(), 1);
+               match events[0] {
+                       MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => {
+                               match update {
+                                       &HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } if !$chan_closed => {
+                                               assert_eq!(msg.contents.short_channel_id, $scid);
+                                               assert_eq!(msg.contents.flags & 2, 0);
+                                       },
+                                       &HTLCFailChannelUpdate::ChannelClosed { short_channel_id, is_permanent } if $chan_closed => {
+                                               assert_eq!(short_channel_id, $scid);
+                                               assert!(is_permanent);
+                                       },
+                                       _ => panic!("Unexpected update type"),
+                               }
+                       },
+                       _ => panic!("Unexpected event"),
+               }
+       }
+}
+
 #[cfg(test)]
 macro_rules! expect_payment_failed {
        ($node: expr, $expected_payment_hash: expr, $rejected_by_dest: expr $(, $expected_error_code: expr, $expected_error_data: expr)*) => {