ethers.js/lib.esm/_tests/test-wallet-mnemonic.js
2022-09-05 16:57:11 -04:00

121 lines
4.8 KiB
JavaScript

import assert from "assert";
import { sha256 } from "../crypto/index.js";
import { toUtf8Bytes } from "../utils/utf8.js";
import { wordlists } from "../wordlists/wordlists.js";
import { Mnemonic } from "../index.js";
import { loadTests } from "./utils.js";
const decoder = new TextDecoder();
function fromHex(hex) {
const data = Buffer.from(hex.substring(2), "hex");
return decoder.decode(data);
}
function repeat(text, length) {
const result = [];
while (result.length < length) {
result.push(text);
}
return result;
}
describe("Tests Mnemonics", function () {
const tests = loadTests("mnemonics");
function runTest(phrase, mnemonic, test) {
assert.ok(Mnemonic.isValidMnemonic(phrase, mnemonic.wordlist), "isValidMnemonic");
if (test.locale === "en") {
assert.ok(Mnemonic.isValidMnemonic(phrase), "isValidMnemonic (default)");
}
assert.equal(mnemonic.wordlist.locale, test.locale, "locale");
assert.equal(mnemonic.entropy, test.entropy, "entropy");
assert.equal(mnemonic.computeSeed(), test.seed, "seed");
assert.equal(sha256(toUtf8Bytes(phrase)), test.phraseHash, "phraseHash");
}
for (const test of tests) {
const wordlist = wordlists[test.locale];
it(`computes mnemonic from phrase: ${test.name}`, function () {
if (wordlist == null) {
this.skip();
return;
}
const phrase = fromHex(test.phrase);
const password = fromHex(test.password);
const mnemonic = Mnemonic.fromPhrase(phrase, password, wordlist);
runTest(phrase, mnemonic, test);
});
}
for (const test of tests) {
const wordlist = wordlists[test.locale];
it(`computes mnemonic from entropy: ${test.name}`, function () {
if (wordlist == null) {
this.skip();
return;
}
const phrase = fromHex(test.phrase);
const password = fromHex(test.password);
const mnemonic = Mnemonic.fromEntropy(test.entropy, password, wordlist);
runTest(phrase, mnemonic, test);
});
}
});
describe("Tests Bad Mnemonics Fail", function () {
const badLengths = [
repeat("abandon", 9),
repeat("abandon", 16),
repeat("abandon", 27), // 27 words; too long
];
for (const _phrase of badLengths) {
const phrase = _phrase.join(" ");
it(`fails on invalid mnemonic length: ${_phrase.length}`, function () {
assert.ok(!Mnemonic.isValidMnemonic(phrase));
assert.throws(function () {
Mnemonic.fromPhrase(phrase);
}, function (error) {
return (error.code === "INVALID_ARGUMENT" &&
error.message.match(/^invalid mnemonic length/) &&
error.argument === "mnemonic" &&
error.value === "[ REDACTED ]");
});
});
}
it("fails on invalid mnemonic word", function () {
const phrase = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon wagmi";
assert.ok(!Mnemonic.isValidMnemonic(phrase));
assert.throws(function () {
Mnemonic.fromPhrase(phrase);
}, function (error) {
return (error.code === "INVALID_ARGUMENT" &&
error.message.match(/^invalid mnemonic word at index 11/) &&
error.argument === "mnemonic" &&
error.value === "[ REDACTED ]");
});
});
it("fails on invalid mnemonic checksum", function () {
const phrase = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon";
assert.ok(!Mnemonic.isValidMnemonic(phrase));
assert.throws(function () {
Mnemonic.fromPhrase(phrase);
}, function (error) {
return (error.code === "INVALID_ARGUMENT" &&
error.message.match(/^invalid mnemonic checksum/) &&
error.argument === "mnemonic" &&
error.value === "[ REDACTED ]");
});
});
const badEntropyLengths = [
repeat("42", 12),
repeat("42", 15),
repeat("42", 36), // 36 bytes; too long
];
for (const _entropy of badEntropyLengths) {
const entropy = "0x" + _entropy.join("");
it(`fails on invalid entropy length: ${_entropy.length}`, function () {
assert.throws(function () {
Mnemonic.fromEntropy(entropy);
}, function (error) {
return (error.code === "INVALID_ARGUMENT" &&
error.message.match(/^invalid entropy size/) &&
error.argument === "entropy" &&
error.value === "[ REDACTED ]");
});
});
}
});
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