feat: add verify

README.md

@@ -2,7 +2,7 @@
 
 | Statements                  | Branches                | Functions                 | Lines             |
 | --------------------------- | ----------------------- | ------------------------- | ----------------- |
-| ![Statements](https://img.shields.io/badge/statements-96.18%25-brightgreen.svg?style=flat) | ![Branches](https://img.shields.io/badge/branches-93.59%25-brightgreen.svg?style=flat) | ![Functions](https://img.shields.io/badge/functions-96.63%25-brightgreen.svg?style=flat) | ![Lines](https://img.shields.io/badge/lines-96.35%25-brightgreen.svg?style=flat) |
+| ![Statements](https://img.shields.io/badge/statements-96.96%25-brightgreen.svg?style=flat) | ![Branches](https://img.shields.io/badge/branches-94.27%25-brightgreen.svg?style=flat) | ![Functions](https://img.shields.io/badge/functions-97.12%25-brightgreen.svg?style=flat) | ![Lines](https://img.shields.io/badge/lines-97.16%25-brightgreen.svg?style=flat) |
 
 
 ## 1. Introduction

package.json

@@ -50,12 +50,15 @@
   "engineStrict": true,
   "dependencies": {
     "@aelfqueen/protobufjs": "^6.8.9",
+    "@aws-crypto/sha256-js": "^5.0.0",
+    "@babel/plugin-proposal-optional-chaining": "^7.21.0",
     "@babel/runtime": "^7.4.5",
     "@typescript-eslint/parser": "^5.47.1",
     "assert": "^2.0.0",
     "babel-plugin-rewire": "^1.2.0",
     "bignumber.js": "^9.0.0",
     "bip39": "3.0.4",
+    "bn.js": "^5.2.1",
     "browserify-cipher": "^1.0.1",
     "bs58": "^5.0.0",
     "buffer": "^6.0.3",
@@ -73,9 +76,7 @@
     "scryptsy": "^2.1.0",
     "stream-browserify": "^3.0.0",
     "typescript": "^5.0.4",
-    "xmlhttprequest": "^1.8.0",
-    "@aws-crypto/sha256-js": "^5.0.0",
-    "@babel/plugin-proposal-optional-chaining": "^7.21.0"
+    "xmlhttprequest": "^1.8.0"
   },
   "lint-staged": {
     "*.js": "eslint"
@@ -99,36 +100,36 @@
     "@babel/preset-env": "7.21.4",
     "@types/elliptic": "^6.4.14",
     "@types/hdkey": "^2.0.1",
+    "babel-eslint": "^10.0.2",
     "babel-loader": "^8.0.6",
+    "bundle-analyzer": "^0.0.6",
     "chalk": "^4.1.2",
     "commitizen": "^4.3.0",
     "core-js": "^3.30.1",
     "cross-env": "^7.0.3",
+    "cz-conventional-changelog": "^3.0.2",
     "eslint": "^8.39.0",
     "eslint-config-airbnb-base": "^14.0.0",
     "eslint-plugin-babel": "^5.3.1",
     "eslint-plugin-import": "^2.27.5",
+    "file-loader": "^4.0.0",
     "git-cz": "^4.9.0",
     "glob": "^10.2.2",
     "husky": "^8.0.0",
     "istanbul-badges-readme": "^1.8.5",
     "jest": "^29.5.0",
     "jest-environment-jsdom": "^29.5.0",
+    "jest-environment-jsdom-fifteen": "^1.0.2",
     "jest-github-reporter": "^1.1.1",
     "lint-staged": "^13.2.1",
     "rimraf": "^5.0.0",
+    "size-limit": "^8.1.2",
     "standard-version": "^9.5.0",
+    "unused-files-webpack-plugin": "^3.4.0",
     "webpack": "^5.80.0",
     "webpack-bundle-analyzer": "^4.8.0",
     "webpack-cli": "^5.0.2",
     "webpack-deadcode-plugin": "^0.1.17",
-    "webpack-merge": "^5.8.0",
-    "babel-eslint": "^10.0.2",
-    "bundle-analyzer": "^0.0.6",
-    "cz-conventional-changelog": "^3.0.2",
-    "file-loader": "^4.0.0",
-    "jest-environment-jsdom-fifteen": "^1.0.2",
-    "size-limit": "^8.1.2",
-    "unused-files-webpack-plugin": "^3.4.0"
+    "webpack-merge": "^5.8.0"
   }
 }

src/wallet/index.js

@@ -7,6 +7,7 @@ import * as bip39 from 'bip39';
 import hdkey from 'hdkey';
 import AES from 'crypto-js/aes';
 import encUTF8 from 'crypto-js/enc-utf8';
+import BN from 'bn.js';
 import sha256 from '../util/sha256';
 import * as keyStore from '../util/keyStore';
 import {
@@ -252,10 +253,23 @@ const sign = (hexString, keyPair) => {
   return getSignature(bytesToBeSign, keyPair);
 };
 
+const verify = (signature, msgHash, pubKey) => {
+  const rHex = signature.substring(0, 64);
+  const sHex = signature.substring(64, 128);
+  const recoveryParamHex = signature.substring(128, 130);
+  const sigObj = {
+    r: new BN(rHex, 16),
+    s: new BN(sHex, 16),
+    recoveryParam: recoveryParamHex.slice(1),
+  };
+  return ellipticEc.verify(msgHash, sigObj, Buffer.from(pubKey, 'hex'));
+};
+
 export default {
   hdkey,
   bip39,
   sign,
+  verify,
   signTransaction,
   createNewWallet,
   getWalletByMnemonic,

test/unit/wallet/index.test.js

@@ -90,4 +90,15 @@ describe('test wallet', () => {
     const _getWallet = Wallet.__GetDependency__('_getWallet');
     expect(() => _getWallet()).toThrow('not a valid method');
   });
+
+  test('test verify', () => {
+    const signature =
+      'f6c8eb063cb44037d42e39803d6cd2f348895f6a27a0cc353ef6ea3c9275f5ca36b77981b8c7b25b093c5a46e5f7575f1afa11018db0a0dba2eaaa00779f581601';
+    const msgHash =
+      'aa3ec16e6acc809d8b2818662276256abfd2f1b441cb51574933f3d4bd115d11';
+    const pubKey =
+      '0409fdbe79db858522b456327f9bb0035ca5084097efce46ca363583776bbe86c8542f77cf3a3814f536de743b7d5eb30738b9c8df05c791a2faee749945d4550d';
+    const isValid = Wallet.verify(signature.toString('hex'), msgHash, pubKey);
+    expect(isValid).toBe(true);
+  });
 });

yarn.lock

@@ -3130,6 +3130,11 @@ bn.js@^5.0.0, bn.js@^5.1.1:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.1.tgz#0bc527a6a0d18d0aa8d5b0538ce4a77dccfa7b70"
   integrity sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==
 
+bn.js@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.npmjs.org/bn.js/-/bn.js-5.2.1.tgz#0bc527a6a0d18d0aa8d5b0538ce4a77dccfa7b70"
+  integrity sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==
+
 [email protected]:
   version "1.20.1"
   resolved "https://registry.npmjs.org/body-parser/-/body-parser-1.20.1.tgz#b1812a8912c195cd371a3ee5e66faa2338a5c668"