refactor: add test version of StacksEpochId::latest()

The test implementation returns epoch 3.3 while the non-test version
returns 3.2.

Author: obycode

stacks-common/src/types/mod.rs

@@ -431,6 +431,12 @@ impl SIP031EmissionInterval {
 }
 
 impl StacksEpochId {
+    #[cfg(any(test, feature = "testing"))]
+    pub const fn latest() -> StacksEpochId {
+        StacksEpochId::Epoch33
+    }
+
+    #[cfg(not(any(test, feature = "testing")))]
     pub const fn latest() -> StacksEpochId {
         StacksEpochId::Epoch32
     }

stacks-node/src/nakamoto_node/relayer.rs

@@ -44,7 +44,7 @@ use stacks::chainstate::stacks::miner::{
 use stacks::chainstate::stacks::Error as ChainstateError;
 use stacks::config::BurnchainConfig;
 use stacks::core::mempool::MemPoolDB;
-use stacks::core::{marker_for_epoch, STACKS_EPOCH_LATEST_MARKER};
+use stacks::core::STACKS_EPOCH_LATEST_MARKER;
 use stacks::monitoring::increment_stx_blocks_mined_counter;
 use stacks::net::db::LocalPeer;
 use stacks::net::p2p::NetworkHandle;
@@ -1139,11 +1139,7 @@ impl RelayerThread {
             key_block_ptr: u32::try_from(key.block_height)
                 .expect("FATAL: burn block height exceeded u32"),
             key_vtxindex: u16::try_from(key.op_vtxindex).expect("FATAL: vtxindex exceeded u16"),
-            memo: if cfg!(test) && target_epoch.epoch_id > StacksEpochId::latest() {
-                vec![marker_for_epoch(target_epoch.epoch_id).expect("Unsupported epoch")]
-            } else {
-                vec![STACKS_EPOCH_LATEST_MARKER]
-            },
+            memo: vec![STACKS_EPOCH_LATEST_MARKER],
             new_seed: VRFSeed::from_proof(&tip_vrf_proof),
             parent_block_ptr: u32::try_from(commit_parent_block_burn_height)
                 .expect("FATAL: burn block height exceeded u32"),