Move from specron to hardhat.

.github/workflows/node.js.yml

@@ -20,3 +20,4 @@ jobs:
     - run: |
         npm ci
         npm run solhint && npm test
+        npm run coverage

.gitignore

@@ -2,4 +2,23 @@
 .vscode
 node_modules
 dist
-build
+build
+# Config files,
+.idea/
+.vscode
+# Node.js
+node_modules
+package.json
+package-lock.json
+#Hardhat files
+bin
+cache
+artifacts
+data/
+#Solidity
+soljson*
+.tmp*
+metadata/
+#coverage
+coverage.json
+coverage

hardhat.config.js

@@ -0,0 +1,25 @@
+require('@nomiclabs/hardhat-waffle');
+require('hardhat-abi-exporter');
+require('solidity-coverage');
+
+/**
+ * @type import('hardhat/config').HardhatUserConfig
+ */
+module.exports = {
+  solidity: '0.8.6',
+  networks: {
+    hardhat: {
+      initialBaseFeePerGas: 0 // hardhat london fork error fix for coverage
+    }
+  },
+  paths: {
+    sources: './src/*',
+    artifacts: './build',
+    tests: './src/tests/*'
+  },
+  abiExporter: {
+    path: './data/abi',
+    clear: true,
+    flat: true,
+  }
+};