feat: modern toolchain setup and simple RNG smart contracts

Author: jaybuidl

.depcheckrc

@@ -0,0 +1,2 @@
+ignores: ["lint-*", "prettier-*", "eslint-*", "babel-*", "solhint-*", "@commitlint/*", "conventional-changelog-cli"]
+skip-missing: true

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.{html,js,.json,mjs,rjson,ts}]
+indent_style = space
+indent_size = 2
+
+[*.sol]
+indent_style = space
+indent_size = 4

.eslintignore

@@ -0,0 +1,4 @@
+node_modules/
+**/node_modules/
+!**/*.js
+!*.js

.eslintrc.json

@@ -0,0 +1,37 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 2020
+  },
+  "env": {
+    "browser": true,
+    "es6": true,
+    "node": true,
+    "mocha": true,
+    "es2020": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:prettier/recommended",
+    "plugin:import/recommended"
+  ],
+  "plugins": [
+    "prettier",
+    "import"
+  ],
+  "rules": {
+    "no-unused-vars": [
+      "error",
+      {
+        "varsIgnorePattern": "(^_+[0-9]*$)|([iI]gnored$)|(^ignored)",
+        "argsIgnorePattern": "(^_+[0-9]*$)|([iI]gnored$)|(^ignored)"
+      }
+    ],
+    "prettier/prettier": "error",
+    "import/no-unresolved": [
+      "error",
+      {
+        "commonjs": true
+      }
+    ]
+  }
+}

.gitattributes

@@ -0,0 +1 @@
+*.sol linguist-language=Solidity

.gitignore

@@ -0,0 +1,190 @@
+# Created by https://www.toptal.com/developers/gitignore/api/vim,node,visualstudiocode,yarn
+# Edit at https://www.toptal.com/developers/gitignore?templates=vim,node,visualstudiocode,yarn
+
+### 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
+
+### Vim ###
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+Sessionx.vim
+
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+.ionide
+
+# Support for Project snippet scope
+!.vscode/*.code-snippets
+
+### yarn ###
+# https://yarnpkg.com/advanced/qa#which-files-should-be-gitignored
+
+.yarn/*
+!.yarn/releases
+!.yarn/plugins
+!.yarn/sdks
+!.yarn/versions
+
+# if you are NOT using Zero-installs, then:
+# comment the following lines
+!.yarn/cache
+
+# and uncomment the following lines
+# .pnp.*
+
+# End of https://www.toptal.com/developers/gitignore/api/vim,node,visualstudiocode,yarn

.husky/commit-msg

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+yarn commitlint --edit $1

.husky/pre-commit

@@ -0,0 +1,7 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+yarn lint-staged \
+    && yarn depcheck \
+    && yarn changelog \
+    && git add CHANGELOG.md

.lintstagedrc.json

@@ -0,0 +1,8 @@
+{
+  "*.js": "eslint --cache --fix",
+  "*.{md,html,json}": "prettier --write",
+  "*.sol": [
+    "prettier --write",
+    "solhint --fix"
+  ]
+}

.nvmrc

@@ -0,0 +1 @@
+lts/fermium

.prettierrc.json

@@ -0,0 +1,15 @@
+{
+  "htmlWhitespaceSensitivity": "css",
+  "printWidth": 120,
+  "trailingComma": "es5",
+  "overrides": [
+    {
+      "files": [
+        "*.json"
+      ],
+      "options": {
+        "parser": "json-stringify"
+      }
+    }
+  ]
+}

.solhint.json

@@ -0,0 +1,21 @@
+{
+  "extends": "solhint:recommended",
+  "plugins": [
+    "prettier"
+  ],
+  "rules": {
+    "prettier/prettier": "error",
+    "max-line-length": "off",
+    "check-send-result": "off",
+    "not-rely-on-time": "off",
+    "multiple-sends": "off",
+    "compiler-version": "off",
+    "quotes": "warn",
+    "func-visibility": [
+      "error",
+      {
+        "ignoreConstructors": true
+      }
+    ]
+  }
+}

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "solidity.compileUsingRemoteVersion": "v0.8.9+commit.e5eed63a"
+}