Use KeyCopy instead of Key in BadgerIterator (cosmos#274)

* fix: use KeyCopy instead of Key in BadgerIterator * docs: update CHANGELOG-PENDING.md
caelus-labs · Feb 3, 2022 · 67f51f7 · 67f51f7
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diff --git a/CHANGELOG-PENDING.md b/CHANGELOG-PENDING.md
@@ -24,5 +24,6 @@ Month, DD, YYYY
 - [store,indexer] [Replace tm-db dependency with store package #268](https://github.com/celestiaorg/optimint/pull/268) [@tzdybal](https://github.com/tzdybal/)
 
 ### BUG FIXES
+- [store] [Use KeyCopy instead of Key in BadgerIterator #274](https://github.com/celestiaorg/optimint/pull/274) [@tzdybal](https://github.com/tzdybal/)
 
 - [go package] (Link to PR) Description @username
diff --git a/store/badger.go b/store/badger.go
@@ -123,7 +123,7 @@ func (i *BadgerIterator) Next() {
 }
 
 func (i *BadgerIterator) Key() []byte {
-	return i.iter.Item().Key()
+	return i.iter.Item().KeyCopy(nil)
 }
 
 func (i *BadgerIterator) Value() []byte {