Use SafeMath in getOffchainStorageRoots (#9026)

celo-org · Nov 30, 2021 · d196b00 · d196b00
1 parent 31a58db
commit d196b00
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/protocol/contracts/common/Accounts.sol b/packages/protocol/contracts/common/Accounts.sol
@@ -285,7 +285,7 @@ contract Accounts is
     uint256 numberRoots = offchainStorageRoots[account].length;
     uint256 totalLength = 0;
     for (uint256 i = 0; i < numberRoots; i++) {
-      totalLength += offchainStorageRoots[account][i].length;
+      totalLength = totalLength.add(offchainStorageRoots[account][i].length);
     }
 
     bytes memory concatenated = new bytes(totalLength);