fix: stabilize multichain hub and follower sync flow

2026-04-13 14:31:23 +02:00
parent d72945f20c
commit bc96e47b8f
9 changed files with 469 additions and 234 deletions
--- a/apps/blockchain-node/src/aitbc_chain/sync.py
+++ b/apps/blockchain-node/src/aitbc_chain/sync.py
@@ -214,7 +214,7 @@ class ChainSync:
        with self._session_factory() as session:
            # Check for duplicate
            existing = session.exec(
-                select(Block).where(Block.hash == block_hash)
+                select(Block).where(Block.chain_id == self._chain_id).where(Block.hash == block_hash)
            ).first()
            if existing:
                metrics_registry.increment("sync_blocks_duplicate_total")