Re-export micro-bip32 and micro-bip39 modules.

Author: paulmillr

package.json

@@ -24,9 +24,11 @@
     "*.d.ts.map"
   ],
   "dependencies": {
+    "@noble/hashes": "^0.5.9",
+    "@noble/secp256k1": "^1.4.0",
     "micro-base": "^0.10.1",
-    "@noble/hashes": "^0.5.7",
-    "@noble/secp256k1": "^1.4.0"
+    "micro-bip32": "^0.1.0",
+    "micro-bip39": "^0.1.3"
   },
   "browser": {
     "crypto": false

src/bip39/index.ts

@@ -1,111 +1 @@
-import { pbkdf2, pbkdf2Async } from "@noble/hashes/pbkdf2";
-import { sha256 } from "@noble/hashes/sha256";
-import { sha512 } from "@noble/hashes/sha512";
-import { assertBytes, assertNumber, randomBytes } from "@noble/hashes/utils";
-import { utils as baseUtils } from "micro-base";
-
-const isJapanese = (wordlist: string[]) =>
-  wordlist[0] === "\u3042\u3044\u3053\u304f\u3057\u3093"; // Japanese wordlist
-
-// Normalization replaces equivalent sequences of characters
-// so that any two texts that are equivalent will be reduced
-// to the same sequence of code points, called the normal form of the original text.
-const nfkd = (str: string) => str.normalize("NFKD");
-
-function assertMnemonic(mnemonic: string) {
-  if (typeof mnemonic !== "string") {
-    throw new TypeError(`Invalid mnemonic type: ${typeof mnemonic}`);
-  }
-}
-
-export function generateMnemonic(
-  wordlist: string[],
-  strength: number = 128
-): string {
-  assertNumber(strength);
-  if (strength % 32 !== 0) {
-    throw new TypeError("Invalid entropy");
-  }
-  return entropyToMnemonic(randomBytes(strength / 8), wordlist);
-}
-
-const checksum = (entropy: Uint8Array) => {
-  // Checksum is ent.length/4 bits long
-  const bitsLeft = 8 - entropy.length / 4;
-  // Zero rightmost "bitsLeft" bits in byte
-  // For example: bitsLeft=4 val=10111101 -> 10110000
-  return new Uint8Array([(sha256(entropy)[0] >> bitsLeft) << bitsLeft]);
-};
-
-function getCoder(wordlist: string[]) {
-  if (
-    !Array.isArray(wordlist) ||
-    wordlist.length !== 2 ** 11 ||
-    typeof wordlist[0] !== "string"
-  ) {
-    throw new Error("Worlist: expected array of 2048 strings");
-  }
-  for (const i of wordlist) {
-    if (typeof i !== "string") {
-      throw new Error(`Wordlist: non-string element: ${i}`);
-    }
-  }
-  return baseUtils.chain(
-    baseUtils.checksum(1, checksum),
-    baseUtils.radix2(11, true),
-    baseUtils.alphabet(wordlist)
-  );
-}
-
-export function mnemonicToEntropy(
-  mnemonic: string,
-  wordlist: string[]
-): Uint8Array {
-  assertMnemonic(mnemonic);
-  const words = nfkd(mnemonic).split(" ");
-  if (![12, 15, 18, 21, 24].includes(words.length)) {
-    throw new Error("Invalid mnemonic");
-  }
-  const entropy = getCoder(wordlist).decode(words);
-  assertBytes(entropy, 16, 20, 24, 28, 32);
-  return entropy;
-}
-
-export function entropyToMnemonic(
-  entropy: Uint8Array,
-  wordlist: string[]
-): string {
-  assertBytes(entropy, 16, 20, 24, 28, 32);
-  const words = getCoder(wordlist).encode(entropy);
-  return words.join(isJapanese(wordlist) ? "\u3000" : " ");
-}
-
-export function validateMnemonic(
-  mnemonic: string,
-  wordlist: string[]
-): boolean {
-  try {
-    mnemonicToEntropy(mnemonic, wordlist);
-  } catch (e) {
-    return false;
-  }
-  return true;
-}
-
-const salt = (passphrase = "") => nfkd(`mnemonic${passphrase}`);
-
-export function mnemonicToSeed(mnemonic: string, passphrase = "") {
-  assertMnemonic(mnemonic);
-  return pbkdf2Async(sha512, nfkd(mnemonic), salt(passphrase), {
-    c: 2048,
-    dkLen: 64
-  });
-}
-
-export function mnemonicToSeedSync(mnemonic: string, passphrase = "") {
-  assertMnemonic(mnemonic);
-  return pbkdf2(sha512, nfkd(mnemonic), salt(passphrase), {
-    c: 2048,
-    dkLen: 64
-  });
-}
+export { generateMnemonic, mnemonicToEntropy, entropyToMnemonic, validateMnemonic, mnemonicToSeed, mnemonicToSeedSync } from 'micro-bip39';