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Make mempool histogram refresh frequency coin-specific

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This commit is contained in:
Neil Booth 2018-07-25 23:16:01 +08:00
parent 5e4586ce54
commit 7a3938be23
2 changed files with 7 additions and 4 deletions
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2
electrumx/lib/coins.py
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@ -70,6 +70,7 @@ class Coin(object):
DESERIALIZER = lib_tx.Deserializer
DAEMON = daemon.Daemon
BLOCK_PROCESSOR = BlockProcessor
MEMPOOL_HISTOGRAM_REFRESH_SECS = 500
XPUB_VERBYTES = bytes('????', 'utf-8')
XPRV_VERBYTES = bytes('????', 'utf-8')
ENCODE_CHECK = Base58.encode_check
@ -423,6 +424,7 @@ class BitcoinCash(BitcoinMixin, Coin):
class BitcoinSegwit(BitcoinMixin, Coin):
NAME = "BitcoinSegwit"
DESERIALIZER = lib_tx.DeserializerSegWit
MEMPOOL_HISTOGRAM_REFRESH_SECS = 120
TX_COUNT = 318337769
TX_COUNT_HEIGHT = 524213
TX_PER_BLOCK = 1400

9
electrumx/server/mempool.py
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@ -129,6 +129,8 @@ class MemPool(object):
async def _refresh_hashes(self, once):
'''Refresh our view of the daemon's mempool.'''
sleep = 5
histogram_refresh = self.coin.MEMPOOL_HISTOGRAM_REFRESH_SECS // sleep
for loop_count in itertools.count():
height = self.daemon.cached_height()
hex_hashes = await self.daemon.mempool_hashes()
@ -137,13 +139,12 @@ class MemPool(object):
hashes = set(hex_str_to_hash(hh) for hh in hex_hashes)
touched = await self._process_mempool(hashes)
await self.notifications.on_mempool(touched, height)
# Refresh the cached histogram periodically. Thread it as it
# can be expensive.
if loop_count % 100 == 0:
# Thread mempool histogram refreshes - they can be expensive
if loop_count % histogram_refresh == 0:
await self.tasks.run_in_thread(self._update_histogram)
if once:
return
await asyncio.sleep(5)
await asyncio.sleep(sleep)
async def _process_mempool(self, all_hashes):
# Re-sync with the new set of hashes