63 lines
1.7 KiB
TypeScript
63 lines
1.7 KiB
TypeScript
"use strict";
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// This gets overridden by rollup
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const exportWordlist = false;
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import { id } from "@ethersproject/hash";
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import { defineReadOnly } from "@ethersproject/properties";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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export const logger = new Logger(version);
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export abstract class Wordlist {
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readonly locale: string;
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constructor(locale: string) {
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logger.checkAbstract(new.target, Wordlist);
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defineReadOnly(this, "locale", locale);
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}
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abstract getWord(index: number): string;
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abstract getWordIndex(word: string): number;
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// Subclasses may override this
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split(mnemonic: string): Array<string> {
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return mnemonic.toLowerCase().split(/ +/g)
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}
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// Subclasses may override this
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join(words: Array<string>): string {
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return words.join(" ");
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}
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static check(wordlist: Wordlist): string {
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const words = [];
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for (let i = 0; i < 2048; i++) {
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const word = wordlist.getWord(i);
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/* istanbul ignore if */
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if (i !== wordlist.getWordIndex(word)) { return "0x"; }
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words.push(word);
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}
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return id(words.join("\n") + "\n");
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}
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static register(lang: Wordlist, name?: string): void {
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if (!name) { name = lang.locale; }
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/* istanbul ignore if */
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if (exportWordlist) {
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try {
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const anyGlobal = (window as any)
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if (anyGlobal._ethers && anyGlobal._ethers.wordlists) {
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if (!anyGlobal._ethers.wordlists[name]) {
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defineReadOnly(anyGlobal._ethers.wordlists, name, lang);
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}
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}
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} catch (error) { }
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}
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}
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}
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