fix(storage): rename ZonCursor to ZoneAnchor

lez/sequencer/core/src/block_store.rs

@@ -204,11 +204,11 @@ impl SequencerStore {
     /// The last channel block read back and verified from Bedrock (L1 slot +
     /// `id`/`hash`), or `None` before any block has been read from the channel.
     pub fn get_zone_anchor(&self) -> DbResult<Option<ZoneAnchorRecord>> {
-        self.dbio.get_zone_cursor()
+        self.dbio.get_zone_anchor()
     }
 
     pub fn set_zone_anchor(&self, anchor: &ZoneAnchorRecord) -> DbResult<()> {
-        self.dbio.put_zone_cursor(anchor)
+        self.dbio.put_zone_anchor(anchor)
     }
 
     pub fn get_unfulfilled_deposit_events(&self) -> DbResult<Vec<PendingDepositEventRecord>> {

lez/storage/src/sequencer/mod.rs

@@ -22,7 +22,7 @@ use crate::{
         LEEStateCellOwned, LEEStateCellRef, LastFinalizedBlockIdCell, LatestBlockMetaCellOwned,
         LatestBlockMetaCellRef, PendingDepositEventRecord, PendingDepositEventsCellOwned,
         PendingDepositEventsCellRef, UnseenWithdrawCountCell, WithdrawalReconciliationKey,
-        ZoneAnchorRecord, ZoneCursorCell, ZoneSdkCheckpointCellOwned, ZoneSdkCheckpointCellRef,
+        ZoneAnchorCell, ZoneAnchorRecord, ZoneSdkCheckpointCellOwned, ZoneSdkCheckpointCellRef,
     },
 };
 
@@ -364,12 +364,12 @@ impl RocksDBIO {
         self.del::<ZoneSdkCheckpointCellOwned>(())
     }
 
-    pub fn get_zone_cursor(&self) -> DbResult<Option<ZoneAnchorRecord>> {
-        Ok(self.get_opt::<ZoneCursorCell>(())?.map(|cell| cell.0))
+    pub fn get_zone_anchor(&self) -> DbResult<Option<ZoneAnchorRecord>> {
+        Ok(self.get_opt::<ZoneAnchorCell>(())?.map(|cell| cell.0))
     }
 
-    pub fn put_zone_cursor(&self, anchor: &ZoneAnchorRecord) -> DbResult<()> {
-        self.put(&ZoneCursorCell(*anchor), ())
+    pub fn put_zone_anchor(&self, anchor: &ZoneAnchorRecord) -> DbResult<()> {
+        self.put(&ZoneAnchorCell(*anchor), ())
     }
 
     pub fn get_pending_deposit_events(&self) -> DbResult<Vec<PendingDepositEventRecord>> {

lez/storage/src/sequencer/sequencer_cells.rs

@@ -147,18 +147,18 @@ pub struct ZoneAnchorRecord {
 }
 
 #[derive(Debug, BorshSerialize, BorshDeserialize)]
-pub struct ZoneCursorCell(pub ZoneAnchorRecord);
+pub struct ZoneAnchorCell(pub ZoneAnchorRecord);
 
-impl SimpleStorableCell for ZoneCursorCell {
+impl SimpleStorableCell for ZoneAnchorCell {
     type KeyParams = ();
 
     const CELL_NAME: &'static str = DB_META_ZONE_CURSOR_KEY;
     const CF_NAME: &'static str = CF_META_NAME;
 }
 
-impl SimpleReadableCell for ZoneCursorCell {}
+impl SimpleReadableCell for ZoneAnchorCell {}
 
-impl SimpleWritableCell for ZoneCursorCell {
+impl SimpleWritableCell for ZoneAnchorCell {
     fn value_constructor(&self) -> DbResult<Vec<u8>> {
         borsh::to_vec(&self).map_err(|err| {
             DbError::borsh_cast_message(err, Some("Failed to serialize zone cursor".to_owned()))