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Improve merkle proof and tx cache performance #29

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jackrobison merged 4 commits from improve-tx-caches into master 2022-05-01 01:23:52 +02:00
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1 changed files with 1 additions and 3 deletions
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scribe/db/db.py
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@ -91,7 +91,7 @@ class HubDB:
# lru cache of tx_hash: (tx_bytes, tx_num, position, tx_height)
self.tx_cache = LRUCacheWithMetrics(2 ** 14, metric_name='tx', namespace=NAMESPACE)
# lru cache of block heights to merkle trees of the block tx hashes
self.merkle_cache = LRUCacheWithMetrics(2 ** 15, metric_name='merkle', namespace=NAMESPACE)
self.merkle_cache = LRUCacheWithMetrics(2 ** 13, metric_name='merkle', namespace=NAMESPACE)
# these are only used if the cache_all_tx_hashes setting is on
self.total_transactions: List[bytes] = []
@ -100,10 +100,8 @@ class HubDB:
# these are only used if the cache_all_claim_txos setting is on
self.claim_to_txo: Dict[bytes, ClaimToTXOValue] = {}
self.txo_to_claim: DefaultDict[int, Dict[int, bytes]] = defaultdict(dict)
self.genesis_bytes = bytes.fromhex(self.coin.GENESIS_HASH)
def get_claim_from_txo(self, tx_num: int, tx_idx: int) -> Optional[TXOToClaimValue]:
claim_hash_and_name = self.prefix_db.txo_to_claim.get(tx_num, tx_idx)
if not claim_hash_and_name: