Merge pull request #264 from 0xcert/solidity-0.8.6

use Solidity 0.8.6 and bump some other deps

Author: MoMannn

README.md

@@ -77,7 +77,7 @@ You have created and have possession of unique glass-blown artwork (each having
 To do this, simply paste the code below into Remix and deploy the smart contract. You will "mint" a token for each new piece of artwork you want to see. Then you will "burn" that token when you surrender physical possession of the piece.
 
 ```solidity
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 import "https://github.com/0xcert/ethereum-erc721/src/contracts/tokens/nf-token-metadata.sol";
 import "https://github.com/0xcert/ethereum-erc721/src/contracts/ownership/ownable.sol";

package-lock.json

@@ -72,7 +72,7 @@
     "@specron/flattener": "0.17.6",
     "@specron/spec": "0.17.6",
     "@types/node": "16.4.11",
-    "solc": "0.8.0",
+    "solc": "0.8.6",
     "solhint": "3.3.6",
     "ts-node": "10.1.0",
     "typescript": "4.3.5",

package.json

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 import "../../contracts/tokens/nf-token-enumerable.sol";
 import "../ownership/ownable.sol";

src/contracts/mocks/nf-token-enumerable-mock.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 import "../tokens/nf-token-metadata.sol";
 import "../tokens/nf-token-enumerable.sol";

src/contracts/mocks/nf-token-metadata-enumerable-mock.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 import "../tokens/nf-token-metadata.sol";
 import "../ownership/ownable.sol";

src/contracts/mocks/nf-token-metadata-mock.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 import "../../contracts/tokens/nf-token.sol";
 import "../ownership/ownable.sol";

src/contracts/mocks/nf-token-mock.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 /**
  * @dev The contract has an owner address, and provides basic authorization control whitch

src/contracts/ownership/ownable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 /**
  * @dev Optional enumeration extension for ERC-721 non-fungible token standard.

src/contracts/tokens/erc721-enumerable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.0;
+pragma solidity 0.8.6;
 
 /**
  * @dev Optional metadata extension for ERC-721 non-fungible token standard.