Merge branch 'master' of https://github.com/0xcert/ethereum-erc721 into test-extcodehash

Author: MoMannn

.github/workflows/node.js.yml

@@ -0,0 +1,22 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [12, 14] # https://nodejs.org/en/about/releases/
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: |
+        npm ci
+        npm run solhint && npm test

.travis.yml

@@ -14,7 +14,7 @@ The leaderboard will list all the contributors to this bounty.
 
 **Sponsor this bug bounty if you support ERC-721**. This means you will commit to paying researchers that demonstrate a problem. Contact us at [[email protected]](mailto:[email protected]) if interested. Thank you.
 
-[![0xcert](https://img.shields.io/badge/0xcert-10%20ETH-red.svg)](https://0xcert.org) [![William Entriken](https://img.shields.io/badge/William%20Entriken-2%20ETH-red.svg)](https://github.com/fulldecent) [![ERC-721 Bug Bounty Budget](https://img.shields.io/badge/ERC--721%20Bug%20Bounty%20Budget-12%20ETH-purple.svg)](https://etherscan.io/address/0xa2c60e9E1f6e6B2C16a6B8ECf3BdDAEf015C572b)
+[![0xcert](https://img.shields.io/badge/0xcert-1%20ETH-red.svg)](https://0xcert.org) [![William Entriken](https://img.shields.io/badge/William%20Entriken-1%20ETH-red.svg)](https://github.com/fulldecent) [![ERC-721 Bug Bounty Budget](https://img.shields.io/badge/ERC--721%20Bug%20Bounty%20Budget-2%20ETH-purple.svg)](https://etherscan.io/address/0xa2c60e9E1f6e6B2C16a6B8ECf3BdDAEf015C572b)
 
 Become a sponsor and be listed here as a contributor to the bug bounty fund: `0xa2c60e9E1f6e6B2C16a6B8ECf3BdDAEf015C572b`.
 

BUG_BOUNTY.md

@@ -24,7 +24,7 @@ There are also test mocks that can be seen [here](src/tests/mocks). These are sp
 
 ## Requirements
 
-* NodeJS 9.0+ is supported
+* NodeJS 12+ is supported
 * Windows, Linux or macOS
 
 ## Installation
@@ -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";