Update contracts to support Solidity 0.8.x (#2442)

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
2021-01-14 22:38:53 +00:00
parent 6be0b410dc
commit 974c534210
159 changed files with 338 additions and 509 deletions
--- a/README.md
+++ b/README.md
@ -27,7 +27,7 @@ OpenZeppelin Contracts features a [stable API](https://docs.openzeppelin.com/con
 Once installed, you can use the contracts in the library by importing them:

 ```solidity
-pragma solidity ^0.6.0;
+pragma solidity ^0.8.0;

 import "@openzeppelin/contracts/token/ERC721/ERC721.sol";