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| author | Martin Holst Swende <martin@swende.se> | 2018-08-12 20:47:03 +0800 |
|---|---|---|
| committer | Péter Szilágyi <peterke@gmail.com> | 2018-09-18 18:08:32 +0800 |
| commit | caa2c23a38141911a570ba098a940b4fdbf0aa88 (patch) | |
| tree | df85df9790ac43a17d16b08538eb6c629efb7af7 /core/state/state_object.go | |
| parent | 58374e28d95c03d8b0e6d9035c0fb92fad3e865e (diff) | |
| download | go-tangerine-caa2c23a38141911a570ba098a940b4fdbf0aa88.tar.gz go-tangerine-caa2c23a38141911a570ba098a940b4fdbf0aa88.tar.zst go-tangerine-caa2c23a38141911a570ba098a940b4fdbf0aa88.zip | |
core,state: finish implementing Eip 1283
Diffstat (limited to 'core/state/state_object.go')
| -rw-r--r-- | core/state/state_object.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/core/state/state_object.go b/core/state/state_object.go index 0b72d0114..b05afec93 100644 --- a/core/state/state_object.go +++ b/core/state/state_object.go @@ -183,6 +183,16 @@ func (self *stateObject) GetState(db Database, key common.Hash) common.Hash { return value } +// GetOriginalStateValue returns the state value that is currently in the Trie, that is, ignoring any +// changes that have been made but not yet written to trie. +func (self *stateObject) GetOriginalStateValue(db Database, key common.Hash) common.Hash{ + if original, exist:= self.originalValue[key]; exist { + // original value has been set, return it + return original + } + return self.GetState(db, key) +} + // SetState updates a value in account storage. func (self *stateObject) SetState(db Database, key, value common.Hash) { prev := self.GetState(db, key) |