use chain::{ChannelMonitorUpdateErr, Confirm, Listen, Watch};
use chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor, LATENCY_GRACE_PERIOD_BLOCKS};
use chain::transaction::OutPoint;
-use ln::{PaymentPreimage, PaymentHash};
use ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, ChannelManagerReadArgs, PaymentId, PaymentSendFailure};
use ln::features::InitFeatures;
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, ErrorAction};
+use ln::msgs::ChannelMessageHandler;
use util::events::{ClosureReason, Event, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils;
use util::errors::APIError;
use util::ser::{ReadableArgs, Writeable};
use io;
-use bitcoin::hashes::sha256::Hash as Sha256;
-use bitcoin::hashes::Hash;
use bitcoin::{Block, BlockHeader, BlockHash};
use prelude::*;