early epoch end manager struct

crates/ethcore/src/engines/hbbft/hbbft_early_epoch_end_manager.rs

@@ -0,0 +1,19 @@
+use std::time::{Instant, Duration};
+use super::NodeId;
+
+
+pub(crate) struct EarlyEpochEndManager {
+
+    /// The current epoch number.
+    current_tracked_epoch_number: u64,
+
+    /// epoch manager start up time.
+    start_time: Instant,
+
+    /// allowed devp2p warmup time.
+    allowed_devp2p_warmup_time: Duration,
+
+    /// public keys of all validators for this epoch.
+    validators: Vec<NodeId>,
+
+}

crates/ethcore/src/engines/hbbft/mod.rs

@@ -1,6 +1,7 @@
 mod block_reward_hbbft;
 mod contracts;
 mod contribution;
+mod hbbft_early_epoch_end_manager;
 mod hbbft_engine;
 mod hbbft_message_memorium;
 mod hbbft_peers_management;