core, eth: pre-allocate map in storage copy (ethereum#25279)

Meshee-Team · Sep 11, 2022 · 18869d8 · 18869d8
1 parent 1b0fd10
commit 18869d8
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/core/state/state_object.go b/core/state/state_object.go
@@ -49,7 +49,7 @@ func (s Storage) String() (str string) {
 }
 
 func (s Storage) Copy() Storage {
-	cpy := make(Storage)
+	cpy := make(Storage, len(s))
 	for key, value := range s {
 		cpy[key] = value
 	}

diff --git a/eth/tracers/logger/logger.go b/eth/tracers/logger/logger.go
@@ -40,7 +40,7 @@ type Storage map[common.Hash]common.Hash
 
 // Copy duplicates the current storage.
 func (s Storage) Copy() Storage {
-	cpy := make(Storage)
+	cpy := make(Storage, len(s))
 	for key, value := range s {
 		cpy[key] = value
 	}