dont delete claims on reorg

lbry/wallet/server/block_processor.py

@@ -1,4 +1,3 @@
-import os
 import time
 import asyncio
 from struct import pack, unpack
@@ -287,9 +286,6 @@ def flush_backup():
                 await self.run_in_thread_with_lock(flush_backup)
                 last -= len(raw_blocks)
 
-            if self.sql:
-                await self.run_in_thread_with_lock(self.db.sql.delete_claims_above_height, self.height)
-                await self.db.search_index.delete_above_height(self.height)
             await self.prefetcher.reset_height(self.height)
             self.reorg_count_metric.inc()
         except:

lbry/wallet/server/db/writer.py

@@ -436,7 +436,7 @@ def insert_claims(self, txos: List[Output], header):
         claims = self._upsertable_claims(txos, header)
         if claims:
             self.executemany("""
-                INSERT OR IGNORE INTO claim (
+                INSERT OR REPLACE INTO claim (
                     claim_hash, claim_id, claim_name, normalized, txo_hash, tx_position, amount,
                     claim_type, media_type, stream_type, timestamp, creation_timestamp,
                     fee_currency, fee_amount, title, description, author, duration, height, reposted_claim_hash,

tests/integration/blockchain/test_blockchain_reorganization.py

@@ -114,15 +114,6 @@ async def test_reorg_change_claim_height(self):
         client_reorg_block_hash = (await self.ledger.headers.hash(208)).decode()
         self.assertEqual(client_reorg_block_hash, reorg_block_hash)
 
-        # verify the dropped claim is no longer returned by claim search
-        txos, _, _, _ = await self.ledger.claim_search([], name='hovercraft')
-        self.assertListEqual(txos, [])
-
-        # verify the claim published a block earlier wasn't also reverted
-        txos, _, _, _ = await self.ledger.claim_search([], name='still-valid')
-        self.assertEqual(1, len(txos))
-        self.assertEqual(207, txos[0].tx_ref.height)
-
         # broadcast the claim in a different block
         new_txid = await self.blockchain.sendrawtransaction(hexlify(broadcast_tx.raw).decode())
         self.assertEqual(broadcast_tx.id, new_txid)