formating

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.eslintrc.json

@@ -0,0 +1,39 @@
+{
+  "env": {
+      "node": true,
+      "browser": true,
+      "es6": true,
+      "mocha": true
+  },
+  "extends": "eslint:recommended",
+  "globals": {
+      "Atomics": "readonly",
+      "SharedArrayBuffer": "readonly"
+  },
+  "parserOptions": {
+      "ecmaVersion": 2018
+  },
+  "rules": {
+      "indent": [
+          "error",
+          2
+      ],
+      "linebreak-style": [
+          "error",
+          "unix"
+      ],
+      "quotes": [
+          "error",
+          "single"
+      ],
+      "semi": [
+          "error",
+          "never"
+      ],
+      "object-curly-spacing": [
+        "error",
+        "always"
+      ],
+      "require-await": "error"
+  }
+}

package.json

@@ -17,5 +17,8 @@
     "snarkjs": "git+https://github.com/tornadocash/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
     "web3": "^1.2.8",
     "websnark": "git+https://github.com/tornadocash/websnark.git#4c0af6a8b65aabea3c09f377f63c44e7a58afa6d"
+  },
+  "devDependencies": {
+    "eslint": "^7.0.0"
   }
 }