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core, ethdb, trie: mode dirty data to clean cache on flush (#19307)

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This PR is a more advanced form of the dirty-to-clean cacher (#18995),
where we reuse previous database write batches as datasets to uncache,
saving a dirty-trie-iteration and a dirty-trie-rlp-reencoding per block.
This commit is contained in:
Martin Holst Swende
2019-03-26 15:48:31 +01:00
committed by Felix Lange
parent df717abc99
commit 59e1953246
12 changed files with 156 additions and 67 deletions
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2
core/headerchain.go
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@ -455,7 +455,7 @@ func (hc *HeaderChain) SetCurrentHeader(head *types.Header) {
// DeleteCallback is a callback function that is called by SetHead before
// each header is deleted.
type DeleteCallback func(ethdb.Deleter, common.Hash, uint64)
type DeleteCallback func(ethdb.Writer, common.Hash, uint64)
// SetHead rewinds the local chain to a new head. Everything above the new head
// will be deleted and the new one set.