async def _refresh_hashes(self, synchronized_event):
"""Refresh our view of the daemon's mempool."""
while True:
start = time.perf_counter()
height = self._daemon.cached_height()
hex_hashes = await self._daemon.mempool_hashes()
if height != await self._daemon.height():
continue
hashes = {hex_str_to_hash(hh) for hh in hex_hashes}
async with self.lock:
new_hashes = hashes.difference(self.notified_mempool_txs)
touched = await self._process_mempool(hashes)
self.notified_mempool_txs.update(new_hashes)
new_touched = {
touched_hashx
for touched_hashx, txs in self.hashXs.items()
if txs.intersection(new_hashes)
}
synchronized_event.set()
synchronized_event.clear()
await self.on_mempool(touched, new_touched, height)
duration = time.perf_counter() - start
self.mempool_process_time_metric.observe(duration)
try:
# we wait up to `refresh_secs` but go early if a broadcast happens (which triggers wakeup event)
await asyncio.wait_for(self.wakeup.wait(),
timeout=self.refresh_secs)
except asyncio.TimeoutError:
pass
finally:
self.wakeup.clear()
async def _refresh_hashes(self, synchronized_event):
"""Refresh our view of the daemon's mempool."""
while True:
height = self.api.cached_height()
hex_hashes = await self.api.mempool_hashes()
if height != await self.api.height():
continue
hashes = {hex_str_to_hash(hh) for hh in hex_hashes}
async with self.lock:
touched = await self._process_mempool(hashes)
synchronized_event.set()
synchronized_event.clear()
await self.api.on_mempool(touched, height)
try:
# we wait up to `refresh_secs` but go early if a broadcast happens (which triggers wakeup event)
await asyncio.wait_for(self.wakeup.wait(), timeout=self.refresh_secs)
except asyncio.TimeoutError:
pass
finally:
self.wakeup.clear()