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

44893be0 · Seungbae.yu · GitHub · 714fb302 · 44893be0 · 44893be0
Unverified Commit 44893be0 authored Jul 12, 2022 by Seungbae.yu Committed by GitHub Jul 12, 2022
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state_object.go core/state/state_object.go +1 -1

logger.go eth/tracers/logger/logger.go +1 -1

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--- 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
 	}

--- 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
 	}