feat: adopt hardhat for development (#46)

* feat: adopt hardhat for development and adjust tests and readme

* docs: update discord link

.env.example

@@ -0,0 +1,3 @@
+ETHERSCAN_API_KEY=ABC123ABC123ABC123ABC123ABC123ABC1
+ROPSTEN_URL=https://eth-ropsten.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
+PRIVATE_KEY=0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1

.eslintignore

@@ -0,0 +1,8 @@
+node_modules
+**/artifacts
+**/dist
+**/cache
+**/coverage
+**/build
+**/lib
+**/__tests__

.eslintrc.js

@@ -0,0 +1,20 @@
+module.exports = {
+  env: {
+    browser: false,
+    es2021: true,
+    mocha: false,
+    node: true,
+    jest: true,
+  },
+  plugins: ['@typescript-eslint'],
+  extends: [
+    'standard',
+    'plugin:prettier/recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+  ],
+  parser: '@typescript-eslint/parser',
+  rules: {
+    'node/no-unsupported-features/es-syntax': ['error', { ignores: ['modules'] }],
+  },
+}

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Build and Test NODE
+on: [pull_request, push, workflow_dispatch]
+jobs:
+  build-test:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Use Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14.x'
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
+
+      - run: yarn install --frozen-lockfile
+      - run: yarn build
+      - run: yarn test
+      - run: yarn lint

.gitignore

@@ -1,4 +1,185 @@
-node_modules
-seed
-coverage.json
-*.log
+
+# Created by https://www.toptal.com/developers/gitignore/api/node,intellij
+# Edit at https://www.toptal.com/developers/gitignore?templates=node,intellij
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/
+lib/
+build/
+.env
+typechain/
+artifacts/
+cache/
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+.env.production
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+### Node Patch ###
+# Serverless Webpack directories
+.webpack/
+
+# Optional stylelint cache
+.stylelintcache
+
+# SvelteKit build / generate output
+.svelte-kit
+
+# End of https://www.toptal.com/developers/gitignore/api/node,intellij

.prettierignore

@@ -0,0 +1,7 @@
+node_modules
+artifacts
+dist
+typechain
+cache
+coverage*
+gasReporterOutput.json

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "tabWidth": 2,
+  "printWidth": 120,
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "semi": false
+}

.solhint.json

@@ -1,6 +1,8 @@
 {
-  "extends": "default",
+  "extends": "solhint:recommended",
   "rules": {
-    "not-rely-on-time": false
+    "compiler-version": ["error", "^0.8.0"],
+    "func-visibility": ["warn", { "ignoreConstructors": true }],
+    "not-rely-on-time": "off"
   }
 }