Make view and pure functions virtual (#2473)

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
2021-01-26 17:23:23 +01:00
parent 0931062a3f
commit 18c7efe800
24 changed files with 122 additions and 112 deletions
--- a/contracts/proxy/UpgradeableBeacon.sol
+++ b/contracts/proxy/UpgradeableBeacon.sol
@ -31,7 +31,7 @@ contract UpgradeableBeacon is IBeacon, Ownable {
    /**
     * @dev Returns the current implementation address.
     */
-    function implementation() public view override returns (address) {
+    function implementation() public view virtual override returns (address) {
        return _implementation;
    }