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core, trie: intermediate mempool between trie and database (#15857)

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This commit reduces database I/O by not writing every state trie to disk.
This commit is contained in:
Péter Szilágyi
2018-02-05 18:40:32 +02:00
committed by Felix Lange
parent 59336283c0
commit 55599ee95d
69 changed files with 1958 additions and 1164 deletions
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4
consensus/errors.go
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@ -23,6 +23,10 @@ var (
// that is unknown.
ErrUnknownAncestor = errors.New("unknown ancestor")
// ErrPrunedAncestor is returned when validating a block requires an ancestor
// that is known, but the state of which is not available.
ErrPrunedAncestor = errors.New("pruned ancestor")
// ErrFutureBlock is returned when a block's timestamp is in the future according
// to the current node.
ErrFutureBlock = errors.New("block in the future")