fix(playground): upgrade to a modern tech stack

packages/playground/README.md

@@ -1,21 +1,22 @@
-# Machinomy Playground
+# Machinomy Berry Playground
 
-[Machinomy](https://github.com/machinomy/machinomy/tree/master/packages/machinomy) examples.
+[![Module type: ESM](https://img.shields.io/badge/module%20type-esm-brightgreen)]()
+[![Module type: NodeVersion](https://img.shields.io/badge/Node.js->=21-brightgreen)]()
 
-Web site: [machinomy.com](http://machinomy.com).
-Twitter: [@machinomy](http://twitter.com/machinomy).
-Support/Discussion: [Gitter](https://gitter.im/machinomy/machinomy).
+[Machinomy](https://github.com/ARyaskov/machinomy/tree/master/packages/machinomy) examples.
+
+### ! Upgrading to v2 is in progress! Expect bugs !
 
 :exclamation:
-Please, pay attention, this package is the part of [Machinomy Monorepo](https://github.com/machinomy/machinomy) and it's intended to use with other monorepo's packages. 
+Please, pay attention, this package is the part of [Machinomy Monorepo](https://github.com/ARyaskov/machinomy) and it's intended to use with other monorepo's packages. 
 
 :no_entry: You **should not** git clone this repository alone
 
 :white_check_mark: You **should** git clone the main repository via
 ```
-git clone https://github.com/machinomy/machinomy.git
+git clone https://github.com/ARyaskov/machinomy.git
 or 
-git clone git@github.com:machinomy/machinomy.git
+git clone git@github.com:ARyaskov/machinomy.git
 ```
 
-**For documentation, usage and contributing please see [Machinomy Monorepo](https://github.com/machinomy/machinomy).**
+**For documentation, usage and contributing please see [Machinomy Monorepo](https://github.com/ARyaskov/machinomy).**

packages/playground/example.env

@@ -0,0 +1,17 @@
+HOST=
+PORT=
+GATEWAY_URL=
+# Available values: Ethereum, BNB Smart Chain, Polygon, Sepolia, Binance Smart Chain Testnet, Polygon Amoy
+NETWORK=
+# /* You may generate it on https://iancoleman.io/bip39/, but use it just for testing purposes, no real money!
+ACCOUNT_MNEMONIC=
+ACCOUNT_PRIVATE_KEY_0=
+ACCOUNT_PUBLIC_KEY_0=
+ACCOUNT_ADDRESS_0=
+# */ You may generate it on https://iancoleman.io/bip39/, but use it just for testing purposes, no real money!
+# Use any ETH RPC to get your API key (e.g. Alchemy or Infura). Use https-version of URL.
+RPC_URL=
+POLYGON_RPC_URL=
+POLYGON_AMOY_RPC_URL=
+# Use https://amoy.polygonscan.com/ to get your API key
+POLYGONSCAN_API_KEY=

packages/playground/package.json

@@ -13,11 +13,12 @@
   ],
   "license": "Apache-2.0",
   "scripts": {
-    "build": "tsc --project tsconfig.json",
+    "build": "yarn format && tsc --project tsconfig.json",
     "clean": "rm -rf dist/",
-    "lint": "tslint --format stylish --project . --exclude './node_modules/**/*.ts'",
+    "format": "prettier --write \"src/**/*.ts\"",
     "test": "exit 0",
-    "coverage": "exit 0"
+    "coverage": "exit 0",
+    "start": "yarn format && tsx src/index.ts"
   },
   "dependencies": {
     "@machinomy/types-ethereumjs-util": "^0.0.12",
@@ -36,7 +37,11 @@
     "morgan": "^1.10.0",
     "sqlite3": "^5.1.7",
     "typescript": "*",
-    "url-join": "^4.0.1"
+    "url-join": "^4.0.1",
+    "viem": "*"
+  },
+  "devDependencies": {
+    "tsx": "*"
   },
   "resolutions": {
     "sqlite3": "^5.1.7"