Add SPX license identifier (#2235)

(cherry picked from commit 56de324afe)
2020-05-14 21:58:11 -03:00
parent 087d314daf
commit fac773ac99
100 changed files with 200 additions and 0 deletions
--- a/contracts/utils/EnumerableSet.sol
+++ b/contracts/utils/EnumerableSet.sol
@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+
 pragma solidity ^0.6.0;

 /**