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cache histories from the db for mempool updates #22

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jackrobison merged 3 commits from hashX-history-cache into master 2022-04-13 00:33:38 +02:00
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1 changed files with 8 additions and 1 deletions
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scribe/hub/mempool.py
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@ -4,7 +4,7 @@ import attr
import typing
import logging
from collections import defaultdict
from prometheus_client import Histogram
from prometheus_client import Histogram, Gauge
import rocksdb.errors
from scribe import PROMETHEUS_NAMESPACE
from scribe.common import HISTOGRAM_BUCKETS
@ -39,6 +39,10 @@ mempool_process_time_metric = Histogram(
"processed_mempool", "Time to process mempool and notify touched addresses",
namespace=NAMESPACE, buckets=HISTOGRAM_BUCKETS
)
mempool_tx_count_metric = Gauge("mempool_tx_count", "Transactions in mempool", namespace=NAMESPACE)
mempool_touched_address_count_metric = Gauge(
"mempool_touched_address_count", "Count of addresses touched by transactions in mempool", namespace=NAMESPACE
)
class HubMemPool:
@ -134,6 +138,9 @@ class HubMemPool:
for hashX, value in itertools.chain(tx.prevouts, tx.out_pairs):
self.touched_hashXs[hashX].add(tx_hash)
touched_hashXs.add(hashX)
mempool_tx_count_metric.set(len(self.txs))
mempool_touched_address_count_metric.set(len(self.touched_hashXs))
return touched_hashXs
def transaction_summaries(self, hashX):