Make bip32 require an ecc library be passed in

.github/workflows/main_ci.yml

@@ -0,0 +1,59 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  unit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm run unit
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm run coverage
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm run format:ci
+  gitdiff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm run gitdiff:ci
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm run lint

README.md

@@ -1,9 +1,5 @@
 # bip32
-[![Build Status](https://travis-ci.org/bitcoinjs/bip32.png?branch=master)](https://travis-ci.org/bitcoinjs/bip32)
-
-[![NPM](https://img.shields.io/npm/v/bip32.svg)](https://www.npmjs.org/package/bip32)
-
-[![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
+[![Github CI](https://github.com/bitcoinjs/bip32/actions/workflows/main_ci.yml/badge.svg)](https://github.com/bitcoinjs/bip32/actions/workflows/main_ci.yml) [![NPM](https://img.shields.io/npm/v/bip32.svg)](https://www.npmjs.org/package/bip32) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 
 A [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compatible library written in TypeScript with transpiled JavaScript committed to git.
 
@@ -13,8 +9,12 @@ A [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compat
 TypeScript
 
 ``` typescript
-import * as bip32 from 'bip32';
+import BIP32Factory from 'bip32';
+import * as ecc from 'tiny-secp256k1';
 import { BIP32Interface } from 'bip32';
+// You must wrap a tiny-secp256k1 compatible implementation
+const bip32 = BIP32Factory(ecc);
+
 let node: BIP32Interface = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi');
 
 let child: BIP32Interface = node.derivePath('m/0/0');
@@ -24,11 +24,16 @@ let child: BIP32Interface = node.derivePath('m/0/0');
 NodeJS
 
 ``` javascript
-let bip32 = require('bip32')
-let node = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi')
-
-let child = node.derivePath('m/0/0')
-// ...
+let BIP32Factory = require('bip32').default
+// tiny-secp256k1 v2 is ES module and must be imported, not required
+// (This requires v14 of node or greater)
+// But as long as you implement the interface, any library is fine
+import('tiny-secp256k1').then(ecc => BIP32Factory(ecc)).then(bip32 => {
+  let node = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi')
+
+  let child = node.derivePath('m/0/0')
+  // ...
+})
 ```
 
 ## LICENSE [MIT](LICENSE)

package.json

@@ -41,14 +41,14 @@
     "bs58check": "^2.1.1",
     "create-hash": "^1.2.0",
     "create-hmac": "^1.1.7",
-    "tiny-secp256k1": "^1.1.3",
     "typeforce": "^1.11.5",
     "wif": "^2.0.6"
   },
   "devDependencies": {
     "nyc": "^15.0.0",
     "prettier": "1.16.4",
     "tape": "^4.13.2",
+    "tiny-secp256k1": "^2.1.0",
     "tslint": "^6.1.0",
     "typescript": "3.3.3333"
   },