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| author | atsushi-ishibashi <atsushi.ishibashi@finatext.com> | 2019-02-07 17:44:45 +0800 |
|---|---|---|
| committer | Martin Holst Swende <martin@swende.se> | 2019-02-07 17:44:45 +0800 |
| commit | 81801ccc2b5444ebcf05bf1cf1562fc7a7c2b93e (patch) | |
| tree | 8831b01cb8b5e9d05413195e9748c4cce918d9ff /core | |
| parent | c57166caa371d5b67db39f6f6851856023f8423c (diff) | |
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core/state: more memory efficient preimage allocation (#16663)
Diffstat (limited to 'core')
| -rw-r--r-- | core/state/statedb.go | 2 | ||||
| -rw-r--r-- | core/state/statedb_test.go | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/core/state/statedb.go b/core/state/statedb.go index 2230b10ef..8ad25a582 100644 --- a/core/state/statedb.go +++ b/core/state/statedb.go @@ -502,7 +502,7 @@ func (self *StateDB) Copy() *StateDB { refund: self.refund, logs: make(map[common.Hash][]*types.Log, len(self.logs)), logSize: self.logSize, - preimages: make(map[common.Hash][]byte), + preimages: make(map[common.Hash][]byte, len(self.preimages)), journal: newJournal(), } // Copy the dirty states, logs, and preimages diff --git a/core/state/statedb_test.go b/core/state/statedb_test.go index cbd5bc75e..69392d972 100644 --- a/core/state/statedb_test.go +++ b/core/state/statedb_test.go @@ -276,6 +276,15 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction { }, args: make([]int64, 1), }, + { + name: "AddPreimage", + fn: func(a testAction, s *StateDB) { + preimage := []byte{1} + hash := common.BytesToHash(preimage) + s.AddPreimage(hash, preimage) + }, + args: make([]int64, 1), + }, } action := actions[r.Intn(len(actions))] var nameargs []string |