From f73153ed8ddadd530f68e6ae7d44d18ab05f8c0c Mon Sep 17 00:00:00 2001 From: Jack Robison Date: Wed, 14 Jul 2021 13:11:37 -0400 Subject: [PATCH] delete stale code --- lbry/wallet/server/mempool.py | 34 ---------------------------------- 1 file changed, 34 deletions(-) diff --git a/lbry/wallet/server/mempool.py b/lbry/wallet/server/mempool.py index 276fcf66c..da01cb6d8 100644 --- a/lbry/wallet/server/mempool.py +++ b/lbry/wallet/server/mempool.py @@ -132,40 +132,6 @@ class MemPool: await asyncio.sleep(self.log_status_secs) await synchronized_event.wait() - async def _refresh_histogram(self, synchronized_event): - while True: - await synchronized_event.wait() - async with self.lock: - self._update_histogram(100_000) - await asyncio.sleep(self.coin.MEMPOOL_HISTOGRAM_REFRESH_SECS) - - def _update_histogram(self, bin_size): - # Build a histogram by fee rate - histogram = defaultdict(int) - for tx in self.txs.values(): - histogram[tx.fee // tx.size] += tx.size - - # Now compact it. For efficiency, get_fees returns a - # compact histogram with variable bin size. The compact - # histogram is an array of (fee_rate, vsize) values. - # vsize_n is the cumulative virtual size of mempool - # transactions with a fee rate in the interval - # [rate_(n-1), rate_n)], and rate_(n-1) > rate_n. - # Intervals are chosen to create tranches containing at - # least 100kb of transactions - compact = [] - cum_size = 0 - r = 0 # ? - for fee_rate, size in sorted(histogram.items(), reverse=True): - cum_size += size - if cum_size + r > bin_size: - compact.append((fee_rate, cum_size)) - r += cum_size - bin_size - cum_size = 0 - bin_size *= 1.1 - self.logger.info(f'compact fee histogram: {compact}') - self.cached_compact_histogram = compact - def _accept_transactions(self, tx_map, utxo_map, touched): """Accept transactions in tx_map to the mempool if all their inputs can be found in the existing mempool or a utxo_map from the