forked from LBRYCommunity/lbry-sdk
logging
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399d6db6f6
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1 changed files with 34 additions and 17 deletions
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@ -248,7 +248,7 @@ class BlockProcessor:
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self.logger.info('chain reorg detected')
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else:
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self.logger.info(f'faking a reorg of {count:,d} blocks')
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await self.flush(True)
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async def get_raw_blocks(last_height, hex_hashes):
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heights = range(last_height, last_height - len(hex_hashes), -1)
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@ -265,17 +265,28 @@ class BlockProcessor:
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self.touched.discard(None)
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self.db.flush_backup(self.flush_data(), self.touched)
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start, last, hashes = await self.reorg_hashes(count)
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# Reverse and convert to hex strings.
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hashes = [hash_to_hex_str(hash) for hash in reversed(hashes)]
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for hex_hashes in chunks(hashes, 50):
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raw_blocks = await get_raw_blocks(last, hex_hashes)
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await self.run_in_thread_with_lock(self.backup_blocks, raw_blocks)
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await self.run_in_thread_with_lock(flush_backup)
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last -= len(raw_blocks)
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await self.run_in_thread_with_lock(self.db.sql.delete_claims_above_height, self.height)
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await self.prefetcher.reset_height(self.height)
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self.reorg_count_metric.inc()
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try:
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await self.flush(True)
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start, last, hashes = await self.reorg_hashes(count)
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# Reverse and convert to hex strings.
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hashes = [hash_to_hex_str(hash) for hash in reversed(hashes)]
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self.logger.info("reorg %i block hashes", len(hashes))
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for hex_hashes in chunks(hashes, 50):
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raw_blocks = await get_raw_blocks(last, hex_hashes)
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self.logger.info("got %i raw blocks", len(raw_blocks))
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await self.run_in_thread_with_lock(self.backup_blocks, raw_blocks)
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await self.run_in_thread_with_lock(flush_backup)
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last -= len(raw_blocks)
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await self.run_in_thread_with_lock(self.db.sql.delete_claims_above_height, self.height)
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await self.prefetcher.reset_height(self.height)
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self.reorg_count_metric.inc()
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except:
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self.logger.exception("boom")
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raise
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finally:
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self.logger.info("done with reorg")
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async def reorg_hashes(self, count):
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"""Return a pair (start, last, hashes) of blocks to back up during a
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@ -465,6 +476,7 @@ class BlockProcessor:
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coin = self.coin
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for raw_block in raw_blocks:
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self.logger.info("backup block %i", self.height)
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# Check and update self.tip
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block = coin.block(raw_block, self.height)
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header_hash = coin.header_hash(block.header)
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@ -603,12 +615,17 @@ class BlockProcessor:
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# Value: the UTXO value as a 64-bit unsigned integer
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udb_key = b'u' + hashX + hdb_key[-6:]
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utxo_value_packed = self.db.utxo_db.get(udb_key)
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if utxo_value_packed:
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# Remove both entries for this UTXO
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self.db_deletes.append(hdb_key)
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self.db_deletes.append(udb_key)
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return hashX + tx_num_packed + utxo_value_packed
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if utxo_value_packed is None:
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self.logger.warning(
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"%s:%s is not found in UTXO db for %s", hash_to_hex_str(tx_hash), tx_idx, hash_to_hex_str(hashX)
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)
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raise ChainError(f"{hash_to_hex_str(tx_hash)}:{tx_idx} is not found in UTXO db for {hash_to_hex_str(hashX)}")
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# Remove both entries for this UTXO
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self.db_deletes.append(hdb_key)
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self.db_deletes.append(udb_key)
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return hashX + tx_num_packed + utxo_value_packed
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self.logger.error('UTXO {hash_to_hex_str(tx_hash)} / {tx_idx} not found in "h" table')
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raise ChainError('UTXO {} / {:,d} not found in "h" table'
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.format(hash_to_hex_str(tx_hash), tx_idx))
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