bug fix: LibAddressSet remove: error index (#3)

* bug fix:LibAddressSet remove: error index * LibAddressSet remove add delete removed value Co-authored-by: irvinli <irvinli@webank.com>
WeBankBlockchain · Apr 19, 2021 · 5f0be3f · 5f0be3f
1 parent 7e0d201
commit 5f0be3f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/contracts/data_structure/LibAddressSet.sol b/contracts/data_structure/LibAddressSet.sol
@@ -41,7 +41,8 @@ library LibAddressSet {
         uint256 lastindexMapping = self.values.length - 1;
         address lastValue = self.values[lastindexMapping];
         self.values[toDeleteindexMapping] = lastValue;
-        self.indexMapping[lastValue] = toDeleteindexMapping; 
+        self.indexMapping[lastValue] = toDeleteindexMapping + 1;
+        delete self.indexMapping[value];
         self.values.length--;
     }