64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
"use strict";
|
|
// Use the encode-latin.js script to create the necessary
|
|
// data files to be consumed by this class
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.WordlistOwl = void 0;
|
|
const index_js_1 = require("../hash/index.js");
|
|
const index_js_2 = require("../utils/index.js");
|
|
const decode_owl_js_1 = require("./decode-owl.js");
|
|
const wordlist_js_1 = require("./wordlist.js");
|
|
/**
|
|
* An OWL format Wordlist is an encoding method that exploits
|
|
* the general locality of alphabetically sorted words to
|
|
* achieve a simple but effective means of compression.
|
|
*
|
|
* This class is generally not useful to most developers as
|
|
* it is used mainly internally to keep Wordlists for languages
|
|
* based on ASCII-7 small.
|
|
*
|
|
* If necessary, there are tools within the ``generation/`` folder
|
|
* to create these necessary data.
|
|
*/
|
|
class WordlistOwl extends wordlist_js_1.Wordlist {
|
|
#data;
|
|
#checksum;
|
|
/**
|
|
* Creates a new Wordlist for %%locale%% using the OWL %%data%%
|
|
* and validated against the %%checksum%%.
|
|
*/
|
|
constructor(locale, data, checksum) {
|
|
super(locale);
|
|
this.#data = data;
|
|
this.#checksum = checksum;
|
|
this.#words = null;
|
|
}
|
|
get _data() { return this.#data; }
|
|
_decodeWords() {
|
|
return (0, decode_owl_js_1.decodeOwl)(this.#data);
|
|
}
|
|
#words;
|
|
#loadWords() {
|
|
if (this.#words == null) {
|
|
const words = this._decodeWords();
|
|
// Verify the computed list matches the official list
|
|
const checksum = (0, index_js_1.id)(words.join("\n") + "\n");
|
|
/* c8 ignore start */
|
|
if (checksum !== this.#checksum) {
|
|
throw new Error(`BIP39 Wordlist for ${this.locale} FAILED`);
|
|
}
|
|
/* c8 ignore stop */
|
|
this.#words = words;
|
|
}
|
|
return this.#words;
|
|
}
|
|
getWord(index) {
|
|
const words = this.#loadWords();
|
|
(0, index_js_2.assertArgument)(index >= 0 && index < words.length, `invalid word index: ${index}`, "index", index);
|
|
return words[index];
|
|
}
|
|
getWordIndex(word) {
|
|
return this.#loadWords().indexOf(word);
|
|
}
|
|
}
|
|
exports.WordlistOwl = WordlistOwl;
|
|
//# sourceMappingURL=wordlist-owl.js.map
|