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authorPéter Szilágyi <peterke@gmail.com>2018-02-06 00:40:32 +0800
committerFelix Lange <fjl@users.noreply.github.com>2018-02-06 00:40:32 +0800
commit55599ee95d4151a2502465e0afc7c47bd1acba77 (patch)
tree4165e73ae852db4f025a5ed57f0bc499e87cb8b9 /consensus
parent59336283c0dbeb1d0a74ff7a8b717b2b3bb0cf40 (diff)
downloaddexon-55599ee95d4151a2502465e0afc7c47bd1acba77.tar.gz
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core, trie: intermediate mempool between trie and database (#15857)
This commit reduces database I/O by not writing every state trie to disk.
Diffstat (limited to 'consensus')
-rw-r--r--consensus/errors.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/consensus/errors.go b/consensus/errors.go
index 3b136dbdd..a005c5f63 100644
--- a/consensus/errors.go
+++ b/consensus/errors.go
@@ -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")