do not store stake table for e+1, e+2 in add_epoch_root()

Author: imabdulbasit

hotshot-types/src/data/ns_table.rs

@@ -31,7 +31,6 @@ pub fn parse_ns_table(payload_byte_len: usize, bytes: &[u8]) -> Vec<Range<usize>
             != bytes.len().saturating_sub(NUM_NSS_BYTE_LEN)
                 / NS_ID_BYTE_LEN.saturating_add(NS_OFFSET_BYTE_LEN)
     {
-        tracing::warn!("Failed to parse the metadata as namespace table. Use a single namespace table instead.");
         return vec![(0..payload_byte_len)];
     }
     let mut l = 0;

types/src/v0/impls/stake_table.rs

@@ -224,14 +224,9 @@ impl EpochCommittees {
         };
 
         self.state.insert(epoch, committee.clone());
-        self.state.insert(epoch + 1, committee.clone());
-        self.state.insert(epoch + 2, committee.clone());
+
         self.randomized_committees
             .insert(epoch, randomized_committee.clone());
-        self.randomized_committees
-            .insert(epoch + 1, randomized_committee.clone());
-        self.randomized_committees
-            .insert(epoch + 2, randomized_committee.clone());
     }
 
     // We need a constructor to match our concrete type.
@@ -306,7 +301,7 @@ impl EpochCommittees {
 
         // TODO: remove this, workaround for hotshot asking for stake tables from epoch 1 and 2
         let mut map = HashMap::new();
-        for epoch in Epoch::genesis().u64()..=50 {
+        for epoch in Epoch::genesis().u64()..=2 {
             map.insert(Epoch::new(epoch), members.clone());
             randomized_committees.insert(Epoch::new(epoch), randomized_committee.clone());
         }