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Make -checkmempool=1 not fail through int32 overflow #6896
furszy added a commit to PIVX-Project/PIVX that referenced this pull request
Jun 14, 2020
2105947 Implement helper class for CTxMemPoolEntry constructor (Alex Morcos) 1cef905 Make -checkmempool=1 not fail through int32 overflow (Pieter Wuille) 0f72ff2 Support -checkmempool=N, which runs checks on average once every N transactions (Pieter Wuille) 89483d0 [Bug] Make operator() a const function in CompareTxMemPoolEntryByX (random-zebra) a50ad77 Lower default policy limits (random-zebra) 03f7152 fix locking issue with new mempool limiting (random-zebra) 1598961 Fix stale comment in CTxMemPool::TrimToSize. (random-zebra) 98d0d68 Undo GetMinFee-requires-extra-call-to-hit-0 (random-zebra) 6ad6ee6 Add reasonable test case for mempool trimming (random-zebra) 8dcbb7e Only call TrimToSize once per reorg/blocks disconnect (random-zebra) c20cd38 Implement on-the-fly mempool size limitation. (random-zebra) aee2e17 Print mempool size in KB when adding txn (random-zebra) f7c85fd Add CFeeRate += operator (random-zebra) 5bd2a00 Track (and define) ::minRelayTxFee in CTxMemPool (random-zebra) 0b50f6c Add Mempool Expire function to remove old transactions (random-zebra) d26f5e0 Fix calling mempool directly, instead of pool, in ATMP (random-zebra) fc5eddb Reverse the sort on the mempool's feerate index (random-zebra) 0ce1df0 [BUG] Fix CTxMemPool::check excluding zerocoins from children checks (random-zebra) 1f7bd52 Track transaction packages in CTxMemPoolEntry (random-zebra) 1fd406b TxMemPool: Change mapTx to a boost::multi_index_container (random-zebra) Pull request description: built on top of - [x] #1645 This PR pulls some updates from upstream in the mempool area, adding the required adjustments for legacy zerocoin txes and updating the functional test suite. Specifically, here we: - track mempool descendants (in-mempool transactions that depend on other mempool transactions) - turn `mapTx` into a `boost::multi_index_container` that sorts the mempool on 3 criteria: - transaction hash - fee rate - time in the mempool - Add a max size for the mempool (throwing away the cheapest txs and bumping the min relay fee, when full) - Implement on-the-fly mempool size limit with the flag `-maxmempool` - Implement `-checkmempool=N` to customize the frequency of the mempool check - Implement helper for `CTxMemPoolEntry` for the unit tests. Backports: - bitcoin#6654 - bitcoin#6722 [`*`] - bitcoin#6889 - bitcoin#6771 - bitcoin#6776 - bitcoin#6896 - bitcoin#7020 [`*`] excluding bitcoin@9e93640 as our default minimum tx fee rate of 10k satoshis is only 0,00003 USD at the time of writing. ACKs for top commit: Fuzzbawls: utACK 2105947 furszy: Re utACK 2105947 and merging this nice upgrade :) . Tree-SHA512: 51a7d75bd52f7646d461252c78f0dd9d7e8b5c1c66c22944120bfe293b28f5d48135de339ebf3d8a5b4c61ca5452383ed1b10c417be06dc4a335ac645842ea14
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