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| author | Felix Lange <fjl@users.noreply.github.com> | 2018-11-09 04:37:19 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-11-09 04:37:19 +0800 |
| commit | 870efeef01ad45f1e06bbe4479e5afa9986f3518 (patch) | |
| tree | b62d39b232c095842ce755f5ae1f7c79118ad770 /core | |
| parent | 144c1c6c52456808428e2b69dbe5c4ebfc3606ca (diff) | |
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core/state: remove lock (#18065)
The lock in StateDB is useless. It's only held in Copy, but Copy is safe
for concurrent use because all it does is read.
Diffstat (limited to 'core')
| -rw-r--r-- | core/state/statedb.go | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/core/state/statedb.go b/core/state/statedb.go index f0d7cdb6e..76e67d839 100644 --- a/core/state/statedb.go +++ b/core/state/statedb.go @@ -22,7 +22,6 @@ import ( "fmt" "math/big" "sort" - "sync" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" @@ -87,8 +86,6 @@ type StateDB struct { journal *journal validRevisions []revision nextRevisionId int - - lock sync.Mutex } // Create a new state from a given trie. @@ -496,9 +493,6 @@ func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common // Copy creates a deep, independent copy of the state. // Snapshots of the copied state cannot be applied to the copy. func (self *StateDB) Copy() *StateDB { - self.lock.Lock() - defer self.lock.Unlock() - // Copy all the basic fields, initialize the memory ones state := &StateDB{ db: self.db, |