updates

apps/data_handler/migrations/versions/d3691f6e8c5a_add_zklend_events.py

@@ -4,6 +4,8 @@
 Revises: 64a870953fa5
 Create Date: 2024-11-01 10:53:33.024930
 
+This migration adds the necessary tables and relationships for tracking ZkLend events
+in the system, including event tracking, transaction details and related metadata.
 """
 from typing import Sequence, Union
 
@@ -21,6 +23,14 @@
 
 
 def upgrade() -> None:
+    """Upgrade the database schema to include ZkLend events.
+    
+    Creates new tables and relationships required for storing ZkLend event data,
+    including:
+    - Event tracking
+    - Transaction details 
+    - Related metadata
+    """
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('accumulators_sync_event',
     sa.Column('token', sa.String(), nullable=False),
@@ -116,6 +126,11 @@ def upgrade() -> None:
 
 
 def downgrade() -> None:
+    """Revert the database schema changes for ZkLend events.
+    
+    Removes tables and relationships that were added for ZkLend event tracking,
+    restoring the database to its previous state.
+    """
     # ### commands auto generated by Alembic - please adjust! ###
     op.drop_index(op.f('ix_withdrawal_event_event_name'), table_name='withdrawal_event')
     op.drop_index(op.f('ix_withdrawal_event_block_number'), table_name='withdrawal_event')
@@ -138,4 +153,4 @@ def downgrade() -> None:
     op.drop_index(op.f('ix_accumulators_sync_event_event_name'), table_name='accumulators_sync_event')
     op.drop_index(op.f('ix_accumulators_sync_event_block_number'), table_name='accumulators_sync_event')
     op.drop_table('accumulators_sync_event')
-    # ### end Alembic commands ###
+    # ### end Alembic commands ###