lint, CI, auto publish to NPM

2024-11-25 03:12:00 +01:00 · 2020-07-31 06:32:48 +03:00 · 2020-07-31 06:32:48 +03:00 · 06b7ab5835
commit 06b7ab5835
parent 932a2ed587
6 changed files with 697 additions and 90 deletions
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@ -0,0 +1,68 @@
+name: Node.js CI
+
+on:
+  pull_request:
+  push:
+    branches: [ '*' ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14.7.0
+      - run: npm ci
+      - name: Running tests
+        run: npm run test
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14.7.0
+      - run: npm ci
+      - name: Linting
+        run: npm run lint
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: [test, lint]
+    if: startsWith(github.ref, 'refs/tags/v')
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: NPM login
+        # NPM doesn't understand env vars and needs auth file lol
+        run: echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+      - name: Set vars
+        id: vars
+        run: |
+          echo "::set-output name=version::$(echo ${GITHUB_REF#refs/tags/v})"
+          echo "::set-output name=repo_name::$(echo ${GITHUB_REPOSITORY#*/})"
+      - name: Check package.json version vs tag
+        run: |
+          [ ${{ steps.vars.outputs.version }} = $(grep '"version":' package.json | grep -o "[0-9.]*") ] || (echo "Git tag doesn't match version in package.json" && false)
+      - name: Publish to npm
+        run: npm publish
+      - name: Create GitHub Release Draft
+        uses: actions/create-release@v1
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ steps.vars.outputs.version }}
+          draft: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Telegram Message Notify
+        uses: appleboy/telegram-action@0.0.7
+        with:
+          to: ${{ secrets.TELEGRAM_CHAT_ID }}
+          token: ${{ secrets.TELEGRAM_BOT_TOKEN }}
+          message: 🚀 Published [${{ steps.vars.outputs.repo_name }}](https://github.com/${{ github.repository }}) version [${{ steps.vars.outputs.version }}](https://www.npmjs.com/package/${{ steps.vars.outputs.repo_name }}/v/${{ steps.vars.outputs.version }}) to npm
+          debug: true
+          format: markdown
--- a/README.md
+++ b/README.md
@ -1,4 +1,4 @@
-# Merkle Tree
+# Merkle Tree [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/tornadocash/merkle-tree/Node.js%20CI)](https://github.com/tornadocash/merkle-tree/actions) [![npm](https://img.shields.io/npm/v/merkle-tree)](https://www.npmjs.com/package/merkle-tree)

 This is a fixed depth merkle tree implementation with sequential inserts

--- a/package-lock.json
+++ b/package-lock.json
@ -12,6 +12,46 @@
        "@babel/highlight": "^7.10.4"
      }
    },
+    "@babel/generator": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.11.0.tgz",
+      "integrity": "sha512-fEm3Uzw7Mc9Xi//qU20cBKatTfs2aOtKqmvy/Vm7RkJEGFQ4xc9myCfbXxqK//ZS8MR/ciOHw6meGASJuKmDfQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.11.0",
+        "jsesc": "^2.5.1",
+        "source-map": "^0.5.0"
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.10.4.tgz",
+      "integrity": "sha512-YdaSyz1n8gY44EmN7x44zBn9zQ1Ry2Y+3GTA+3vH6Mizke1Vw0aWDM66FOYEPw8//qKkmqOckrGgTYa+6sceqQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.10.4",
+        "@babel/template": "^7.10.4",
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.10.4.tgz",
+      "integrity": "sha512-EkN3YDB+SRDgiIUnNgcmiD361ti+AVbL3f3Henf6dqqUyr5dMsorno0lJWJuLhDhkI5sYEpgj6y9kB8AOU1I2A==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.11.0.tgz",
+      "integrity": "sha512-74Vejvp6mHkGE+m+k5vHY93FX2cAtrw1zXrZXRlG4l410Nm9PxfEiVTn1PjDPV5SnmieiueY4AFg2xqhNFuuZg==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.11.0"
+      }
+    },
    "@babel/helper-validator-identifier": {
      "version": "7.10.4",
      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
@ -27,6 +67,59 @@
        "js-tokens": "^4.0.0"
      }
    },
+    "@babel/parser": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.11.0.tgz",
+      "integrity": "sha512-qvRvi4oI8xii8NllyEc4MDJjuZiNaRzyb7Y7lup1NqJV8TZHF4O27CcP+72WPn/k1zkgJ6WJfnIbk4jTsVAZHw==",
+      "dev": true
+    },
+    "@babel/template": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.10.4.tgz",
+      "integrity": "sha512-ZCjD27cGJFUB6nmCB1Enki3r+L5kJveX9pq1SvAUKoICy6CZ9yD8xO086YXdYhvNjBdnekm4ZnaP5yC8Cs/1tA==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.10.4",
+        "@babel/parser": "^7.10.4",
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.11.0.tgz",
+      "integrity": "sha512-ZB2V+LskoWKNpMq6E5UUCrjtDUh5IOTAyIl0dTjIEoXum/iKWkoIEKIRDnUucO6f+2FzNkE0oD4RLKoPIufDtg==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.10.4",
+        "@babel/generator": "^7.11.0",
+        "@babel/helper-function-name": "^7.10.4",
+        "@babel/helper-split-export-declaration": "^7.11.0",
+        "@babel/parser": "^7.11.0",
+        "@babel/types": "^7.11.0",
+        "debug": "^4.1.0",
+        "globals": "^11.1.0",
+        "lodash": "^4.17.19"
+      },
+      "dependencies": {
+        "globals": {
+          "version": "11.12.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
+          "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/types": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.11.0.tgz",
+      "integrity": "sha512-O53yME4ZZI0jO1EVGtF1ePGl0LHirG4P1ibcD80XyzZcKhcMFeCXmh4Xb1ifGBIV233Qg12x4rBfQgA+tmOukA==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.10.4",
+        "lodash": "^4.17.19",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
    "@ethersproject/abi": {
      "version": "5.0.0-beta.153",
      "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.0.0-beta.153.tgz",
@ -189,6 +282,12 @@
        "@types/node": "*"
      }
    },
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
+      "dev": true
+    },
    "@types/node": {
      "version": "12.12.53",
      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.53.tgz",
@ -220,9 +319,10 @@
      }
    },
    "acorn": {
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
-      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
+      "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==",
+      "dev": true
    },
    "acorn-jsx": {
      "version": "5.2.0",
@ -352,6 +452,20 @@
      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.10.0.tgz",
      "integrity": "sha512-3YDiu347mtVtjpyV3u5kVqQLP242c06zwDOgpeRnybmXlYYsLbtTrUBUm8i8srONt+FWobl5aibnU1030PeeuA=="
    },
+    "babel-eslint": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-10.1.0.tgz",
+      "integrity": "sha512-ifWaTHQ0ce+448CYop8AdrQiBsGrnC+bMgfyKFdi6EsPLTAWG+QfyDeM6OH+FmWnKvEq5NnBMLvlBUPKQZoDSg==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.7.0",
+        "@babel/traverse": "^7.7.0",
+        "@babel/types": "^7.7.0",
+        "eslint-visitor-keys": "^1.0.0",
+        "resolve": "^1.12.0"
+      }
+    },
    "balanced-match": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@ -670,15 +784,6 @@
        "type-detect": "^4.0.5"
      }
    },
-    "chai-as-promised": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/chai-as-promised/-/chai-as-promised-7.1.1.tgz",
-      "integrity": "sha512-azL6xMoi+uxu6z4rhWQ1jbdUhOMhis2PvscD/xjLqNMkv3BPPp2JyyuTHOrf9BOosGpNQ11v6BKv/g57RXbiaA==",
-      "dev": true,
-      "requires": {
-        "check-error": "^1.0.2"
-      }
-    },
    "chalk": {
      "version": "2.4.2",
      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@ -763,6 +868,75 @@
        "web3": "^1.0.0-beta.55"
      },
      "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
+        },
+        "eslint-scope": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.3.tgz",
+          "integrity": "sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==",
+          "requires": {
+            "esrecurse": "^4.1.0",
+            "estraverse": "^4.1.1"
+          }
+        },
+        "eslint-utils": {
+          "version": "1.4.3",
+          "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+          "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
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+          }
+        },
+        "espree": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/espree/-/espree-5.0.1.tgz",
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+          "requires": {
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+            "acorn-jsx": "^5.0.0",
+            "eslint-visitor-keys": "^1.0.0"
+          }
+        },
+        "globals": {
+          "version": "11.12.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
+          "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA=="
+        },
+        "levn": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
+          "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
+          "requires": {
+            "prelude-ls": "~1.1.2",
+            "type-check": "~0.3.2"
+          }
+        },
+        "optionator": {
+          "version": "0.8.3",
+          "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
+          "integrity": "sha512-+IW9pACdk3XWmmTXG8m3upGUJst5XRGzxMRjXzAuJ1XnIFNvfhjjIuYkDvysnPQ7qzqVzLt78BCruntqRhWQbA==",
+          "requires": {
+            "deep-is": "~0.1.3",
+            "fast-levenshtein": "~2.0.6",
+            "levn": "~0.3.0",
+            "prelude-ls": "~1.1.2",
+            "type-check": "~0.3.2",
+            "word-wrap": "~1.2.3"
+          }
+        },
+        "prelude-ls": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
+          "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
+        },
+        "regexpp": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
+          "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw=="
+        },
        "snarkjs": {
          "version": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
          "from": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
@ -773,6 +947,64 @@
            "eslint": "^5.16.0",
            "keccak": "^2.0.0",
            "yargs": "^12.0.5"
+          },
+          "dependencies": {
+            "eslint": {
+              "version": "5.16.0",
+              "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
+              "integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
+              "requires": {
+                "@babel/code-frame": "^7.0.0",
+                "ajv": "^6.9.1",
+                "chalk": "^2.1.0",
+                "cross-spawn": "^6.0.5",
+                "debug": "^4.0.1",
+                "doctrine": "^3.0.0",
+                "eslint-scope": "^4.0.3",
+                "eslint-utils": "^1.3.1",
+                "eslint-visitor-keys": "^1.0.0",
+                "espree": "^5.0.1",
+                "esquery": "^1.0.1",
+                "esutils": "^2.0.2",
+                "file-entry-cache": "^5.0.1",
+                "functional-red-black-tree": "^1.0.1",
+                "glob": "^7.1.2",
+                "globals": "^11.7.0",
+                "ignore": "^4.0.6",
+                "import-fresh": "^3.0.0",
+                "imurmurhash": "^0.1.4",
+                "inquirer": "^6.2.2",
+                "js-yaml": "^3.13.0",
+                "json-stable-stringify-without-jsonify": "^1.0.1",
+                "levn": "^0.3.0",
+                "lodash": "^4.17.11",
+                "minimatch": "^3.0.4",
+                "mkdirp": "^0.5.1",
+                "natural-compare": "^1.4.0",
+                "optionator": "^0.8.2",
+                "path-is-inside": "^1.0.2",
+                "progress": "^2.0.0",
+                "regexpp": "^2.0.1",
+                "semver": "^5.5.1",
+                "strip-ansi": "^4.0.0",
+                "strip-json-comments": "^2.0.1",
+                "table": "^5.2.3",
+                "text-table": "^0.2.0"
+              }
+            }
+          }
+        },
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+          "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+        },
+        "type-check": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+          "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+          "requires": {
+            "prelude-ls": "~1.1.2"
          }
        }
      }
@ -1141,6 +1373,15 @@
        "once": "^1.4.0"
      }
    },
+    "enquirer": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.6.tgz",
+      "integrity": "sha512-yjNnPr315/FjS4zIsUxYguYUPP2e1NK4d7E7ZOLiyYCcbFBiTMyID+2wvm2w6+pZ/odMA7cRkjhsPbltwBOrLg==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "^4.1.1"
+      }
+    },
    "es-abstract": {
      "version": "1.17.6",
      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.6.tgz",
@ -1232,61 +1473,178 @@
      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
    },
    "eslint": {
-      "version": "5.16.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
-      "integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.5.0.tgz",
+      "integrity": "sha512-vlUP10xse9sWt9SGRtcr1LAC67BENcQMFeV+w5EvLEoFe3xJ8cF1Skd0msziRx/VMC+72B4DxreCE+OR12OA6Q==",
+      "dev": true,
      "requires": {
        "@babel/code-frame": "^7.0.0",
-        "ajv": "^6.9.1",
-        "chalk": "^2.1.0",
-        "cross-spawn": "^6.0.5",
+        "ajv": "^6.10.0",
+        "chalk": "^4.0.0",
+        "cross-spawn": "^7.0.2",
        "debug": "^4.0.1",
        "doctrine": "^3.0.0",
-        "eslint-scope": "^4.0.3",
-        "eslint-utils": "^1.3.1",
-        "eslint-visitor-keys": "^1.0.0",
-        "espree": "^5.0.1",
-        "esquery": "^1.0.1",
+        "enquirer": "^2.3.5",
+        "eslint-scope": "^5.1.0",
+        "eslint-utils": "^2.1.0",
+        "eslint-visitor-keys": "^1.3.0",
+        "espree": "^7.2.0",
+        "esquery": "^1.2.0",
        "esutils": "^2.0.2",
        "file-entry-cache": "^5.0.1",
        "functional-red-black-tree": "^1.0.1",
-        "glob": "^7.1.2",
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+        },
+        "globals": {
+          "version": "11.12.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
+          "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA=="
+        },
+        "levn": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
+          "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
+          "requires": {
+            "prelude-ls": "~1.1.2",
+            "type-check": "~0.3.2"
+          }
+        },
+        "optionator": {
+          "version": "0.8.3",
+          "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
+          "integrity": "sha512-+IW9pACdk3XWmmTXG8m3upGUJst5XRGzxMRjXzAuJ1XnIFNvfhjjIuYkDvysnPQ7qzqVzLt78BCruntqRhWQbA==",
+          "requires": {
+            "deep-is": "~0.1.3",
+            "fast-levenshtein": "~2.0.6",
+            "levn": "~0.3.0",
+            "prelude-ls": "~1.1.2",
+            "type-check": "~0.3.2",
+            "word-wrap": "~1.2.3"
+          }
+        },
+        "prelude-ls": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
+          "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
+        },
+        "regexpp": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
+          "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw=="
+        },
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+          "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+        },
+        "type-check": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+          "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+          "requires": {
+            "prelude-ls": "~1.1.2"
+          }
+        }
      }
    },
+    "source-map": {
+      "version": "0.5.7",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+      "dev": true
+    },
    "sprintf-js": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@ -3666,9 +4187,10 @@
      }
    },
    "strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
+      "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==",
+      "dev": true
    },
    "supports-color": {
      "version": "5.5.0",
@ -3815,6 +4337,12 @@
        "os-tmpdir": "~1.0.2"
      }
    },
+    "to-fast-properties": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+      "dev": true
+    },
    "to-readable-stream": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/to-readable-stream/-/to-readable-stream-1.0.0.tgz",
@ -3867,11 +4395,12 @@
      "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg=="
    },
    "type-check": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
-      "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
+      "integrity": "sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==",
+      "dev": true,
      "requires": {
-        "prelude-ls": "~1.1.2"
+        "prelude-ls": "^1.2.1"
      }
    },
    "type-detect": {
@ -3879,6 +4408,12 @@
      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g=="
    },
+    "type-fest": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
+      "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==",
+      "dev": true
+    },
    "type-is": {
      "version": "1.6.18",
      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@ -3962,6 +4497,12 @@
      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
    },
+    "v8-compile-cache": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.1.tgz",
+      "integrity": "sha512-8OQ9CL+VWyt3JStj7HX7/ciTL2V3Rl1Wf5OL+SNTm0yK1KvtReVulksyeRnCANHHuUxHlQig+JJDlUhBt1NQDQ==",
+      "dev": true
+    },
    "varint": {
      "version": "5.0.0",
      "resolved": "https://registry.npmjs.org/varint/-/varint-5.0.0.tgz",
--- a/package.json
+++ b/package.json
@ -4,7 +4,8 @@
  "description": "",
  "main": "src/merkleTree.js",
  "scripts": {
-    "test": "mocha"
+    "test": "mocha",
+    "lint": "eslint ."
  },
  "keywords": [],
  "author": "Roman Semenov <semenov.roma@gmail.com>",
@ -14,7 +15,9 @@
    "circomlib": "git+https://github.com/tornadocash/circomlib.git#c372f14d324d57339c88451834bf2824e73bbdbc"
  },
  "devDependencies": {
+    "babel-eslint": "^10.1.0",
    "chai": "^4.2.0",
+    "eslint": "^7.5.0",
    "mocha": "^8.1.0"
  }
 }
--- a/src/merkleTree.js
+++ b/src/merkleTree.js
@ -27,7 +27,7 @@ class MerkleTree {
      for (let i = 0; i < Math.ceil(this._layers[level - 1].length / 2); i++) {
        this._layers[level][i] = this._hash(
          this._layers[level - 1][i * 2],
-          this._layers[level - 1]?.[i * 2 + 1] ?? this._zeros[level - 1]
+          this._layers[level - 1]?.[i * 2 + 1] ?? this._zeros[level - 1],
        )
      }
    }
@ -61,7 +61,7 @@ class MerkleTree {
      index >>= 1
      this._layers[level][index] = this._hash(
        this._layers[level - 1][index * 2],
-        this._layers[level - 1]?.[index * 2 + 1] ?? this._zeros[level - 1]
+        this._layers[level - 1]?.[index * 2 + 1] ?? this._zeros[level - 1],
      )
    }
  }
--- a/test/merkleTree.test.js
+++ b/test/merkleTree.test.js
@ -7,13 +7,8 @@ require('chai').should()
 describe('MerkleTree', () => {
  describe('#constructor', () => {
    it('should have correct zero root', () => {
-      const tree = new MerkleTree(10, [1, 2, 3, 4, 5])
-      tree.insert(6)
-      tree.update(3, 42)
-      const proof = tree.proof(tree.indexOf(3))
-      console.log(proof)
-      // const tree = new MerkleTree(10)
-      // return tree.root().should.equal('14030416097908897320437553787826300082392928432242046897689557706485311282736')
+      const tree = new MerkleTree(10)
+      return tree.root().should.equal('14030416097908897320437553787826300082392928432242046897689557706485311282736')
    })

    it('should have correct 1 element root', () => {