use chain::{ChannelMonitorUpdateErr, Confirm, Listen, Watch};
use chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor, LATENCY_GRACE_PERIOD_BLOCKS};
use chain::transaction::OutPoint;
use chain::{ChannelMonitorUpdateErr, Confirm, Listen, Watch};
use chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor, LATENCY_GRACE_PERIOD_BLOCKS};
use chain::transaction::OutPoint;
use ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, ChannelManagerReadArgs, PaymentId, PaymentSendFailure};
use ln::features::InitFeatures;
use ln::msgs;
use ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, ChannelManagerReadArgs, PaymentId, PaymentSendFailure};
use ln::features::InitFeatures;
use ln::msgs;
use util::events::{ClosureReason, Event, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils;
use util::errors::APIError;
use util::events::{ClosureReason, Event, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils;
use util::errors::APIError;
check_added_monitors!(nodes[1], 1);
let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
check_added_monitors!(nodes[1], 1);
let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates.commitment_signed, false);
// nodes[0] shouldn't generate any events here, while it just got a payment failure completion
// it had already considered the payment fulfilled, and now they just got free money.
commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates.commitment_signed, false);
// nodes[0] shouldn't generate any events here, while it just got a payment failure completion
// it had already considered the payment fulfilled, and now they just got free money.