Concretize some types in fuzz, addressing new rustc warnings

Author: TheBlueMatt

fuzz/src/chanmon_consistency.rs

@@ -73,9 +73,9 @@ impl Writer for VecWriter {
 	}
 }
 
-pub struct TestChannelMonitor {
+struct TestChannelMonitor {
 	pub logger: Arc<dyn Logger>,
-	pub simple_monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<BroadcasterInterface>, Arc<FeeEstimator>>>,
+	pub simple_monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>>>,
 	pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
 	// If we reload a node with an old copy of ChannelMonitors, the ChannelManager deserialization
 	// logic will automatically force-close our channels for us (as we don't have an up-to-date
@@ -86,7 +86,7 @@ pub struct TestChannelMonitor {
 	pub should_update_manager: atomic::AtomicBool,
 }
 impl TestChannelMonitor {
-	pub fn new(chain_monitor: Arc<dyn chaininterface::ChainWatchInterface>, broadcaster: Arc<dyn chaininterface::BroadcasterInterface>, logger: Arc<dyn Logger>, feeest: Arc<FeeEstimator>) -> Self {
+	pub fn new(chain_monitor: Arc<dyn chaininterface::ChainWatchInterface>, broadcaster: Arc<TestBroadcaster>, logger: Arc<dyn Logger>, feeest: Arc<FuzzEstimator>) -> Self {
 		Self {
 			simple_monitor: Arc::new(channelmonitor::SimpleManyChannelMonitor::new(chain_monitor, broadcaster, logger.clone(), feeest)),
 			logger,