More regularly send an Error message when we force-close a channel

[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 4a96a14b18c0755060a9a9a7295cbe4797dca30f..d868479eba60d963c56034c0a0acef1f53dba0d7 100644 (file)
--- a/lightning/src/ln/functional_test_utils.rs
+++ b/lightning/src/ln/functional_test_utils.rs
@@ -67,8 +67,8 @@ pub fn confirm_transaction_at<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &T
        };
        let height = starting_block.1 + 1;
        assert!(height <= conf_height);
-       for i in height..conf_height {
-               connect_block(node, &block, i);
+       for _ in height..conf_height {
+               connect_block(node, &block);
                block = Block {
                        header: BlockHeader { version: 0x20000000, prev_blockhash: block.header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
                        txdata: vec![],
@@ -79,7 +79,7 @@ pub fn confirm_transaction_at<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &T
                block.txdata.push(Transaction { version: 0, lock_time: 0, input: Vec::new(), output: Vec::new() });
        }
        block.txdata.push(tx.clone());
-       connect_block(node, &block, conf_height);
+       connect_block(node, &block);
 }
 
 pub fn connect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, depth: u32) -> BlockHash {
@@ -87,41 +87,32 @@ pub fn connect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, depth: u32) ->
                header: BlockHeader { version: 0x2000000, prev_blockhash: node.best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
                txdata: vec![],
        };
-       let height = node.best_block_info().1;
-       connect_block(node, &block, height + 1);
-       for i in 2..depth + 1 {
+       connect_block(node, &block);
+       for _ in 2..depth + 1 {
                block = Block {
                        header: BlockHeader { version: 0x20000000, prev_blockhash: block.header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
                        txdata: vec![],
                };
-               connect_block(node, &block, height + i);
+               connect_block(node, &block);
        }
        block.header.block_hash()
 }
 
-pub fn connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block, height: u32) {
-       assert_eq!(height, node.best_block_info().1 + 1); // height is always equal to the parameter we'll fix it at in the next commit
+pub fn connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block) {
        let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
+       let height = node.best_block_info().1 + 1;
        node.chain_monitor.chain_monitor.block_connected(&block.header, &txdata, height);
        node.node.block_connected(&block.header, &txdata, height);
        node.node.test_process_background_events();
        node.blocks.borrow_mut().push((block.header, height));
 }
 
-pub fn disconnect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, header: &BlockHeader, height: u32) {
-       assert_eq!(height, node.best_block_info().1); // height is always equal to the parameter we'll fix it at in the next commit
-       node.chain_monitor.chain_monitor.block_disconnected(header, height);
-       node.node.block_disconnected(header);
-       node.blocks.borrow_mut().pop();
-}
 pub fn disconnect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, count: u32) {
-       assert!(node.blocks.borrow_mut().len() as u32 > count); // Cannot disconnect genesis
        for _ in 0..count {
-               let (block_header, height) = {
-                       let blocks = node.blocks.borrow_mut();
-                       (blocks[blocks.len() - 1].0, blocks[blocks.len() - 1].1)
-               };
-               disconnect_block(&node, &block_header, height);
+               let orig_header = node.blocks.borrow_mut().pop().unwrap();
+               assert!(orig_header.1 > 0); // Cannot disconnect genesis
+               node.chain_monitor.chain_monitor.block_disconnected(&orig_header.0, orig_header.1);
+               node.node.block_disconnected(&orig_header.0);
        }
 }
 
@@ -1354,22 +1345,36 @@ pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<
 
 pub fn get_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize)  {
        let events_1 = nodes[a].node.get_and_clear_pending_msg_events();
-       assert_eq!(events_1.len(), 1);
+       assert_eq!(events_1.len(), 2);
        let as_update = match events_1[0] {
                MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
                        msg.clone()
                },
                _ => panic!("Unexpected event"),
        };
+       match events_1[1] {
+               MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
+                       assert_eq!(node_id, nodes[b].node.get_our_node_id());
+                       assert_eq!(msg.data, "Commitment or closing transaction was confirmed on chain.");
+               },
+               _ => panic!("Unexpected event"),
+       }
 
        let events_2 = nodes[b].node.get_and_clear_pending_msg_events();
-       assert_eq!(events_2.len(), 1);
+       assert_eq!(events_2.len(), 2);
        let bs_update = match events_2[0] {
                MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
                        msg.clone()
                },
                _ => panic!("Unexpected event"),
        };
+       match events_2[1] {
+               MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
+                       assert_eq!(node_id, nodes[a].node.get_our_node_id());
+                       assert_eq!(msg.data, "Commitment or closing transaction was confirmed on chain.");
+               },
+               _ => panic!("Unexpected event"),
+       }
 
        for node in nodes {
                node.net_graph_msg_handler.handle_channel_update(&as_update).unwrap();