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Make mempool cache a proper LRU (#2407)

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Closes #2399
This commit is contained in:
bradyjoestar 2018-09-20 01:40:22 +08:00 committed by Anton Kaliaev
parent aa5495f24e
commit 26aa978456
2 changed files with 3 additions and 1 deletions
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1
CHANGELOG_PENDING.md
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@ -21,6 +21,7 @@ FEATURES:
* \#2310 Mempool is now aware of the MaxGas requirement
IMPROVEMENTS:
- [mempool] [\#2399](https://github.com/tendermint/tendermint/issues/2399) Make mempool cache a proper LRU (@bradyjoestar)
- [types] add Address to GenesisValidator [\#1714](https://github.com/tendermint/tendermint/issues/1714)
- [metrics] `consensus.block_interval_metrics` is now gauge, not histogram (you will be able to see spikes, if any)

3
mempool/mempool.go
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@ -577,7 +577,8 @@ func (cache *mapTxCache) Push(tx types.Tx) bool {
// Use the tx hash in the cache
txHash := sha256.Sum256(tx)
if _, exists := cache.map_[txHash]; exists {
if moved, exists := cache.map_[txHash]; exists {
cache.list.MoveToFront(moved)
return false
}