141 lines
5.4 KiB
JavaScript
141 lines
5.4 KiB
JavaScript
import { SigningKey } from "../crypto/index.js";
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import { assertArgument } from "../utils/index.js";
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import { BaseWallet } from "./base-wallet.js";
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import { HDNodeWallet } from "./hdwallet.js";
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import { decryptCrowdsaleJson, isCrowdsaleJson } from "./json-crowdsale.js";
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import { decryptKeystoreJson, decryptKeystoreJsonSync, encryptKeystoreJson, encryptKeystoreJsonSync, isKeystoreJson } from "./json-keystore.js";
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import { Mnemonic } from "./mnemonic.js";
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function stall(duration) {
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return new Promise((resolve) => { setTimeout(() => { resolve(); }, duration); });
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}
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/**
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* A **Wallet** manages a single private key which is used to sign
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* transactions, messages and other common payloads.
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*
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* This class is generally the main entry point for developers
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* that wish to use a private key directly, as it can create
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* instances from a large variety of common sources, including
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* raw private key, [[link-bip-39]] mnemonics and encrypte JSON
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* wallets.
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*/
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export class Wallet extends BaseWallet {
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/**
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* Create a new wallet for the %%privateKey%%, optionally connected
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* to %%provider%%.
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*/
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constructor(key, provider) {
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let signingKey = (typeof (key) === "string") ? new SigningKey(key) : key;
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super(signingKey, provider);
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}
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connect(provider) {
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return new Wallet(this.signingKey, provider);
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}
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/**
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* Resolves to a [JSON Keystore Wallet](json-wallets) encrypted with
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* %%password%%.
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*
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* If %%progressCallback%% is specified, it will receive periodic
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* updates as the encryption process progreses.
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*/
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async encrypt(password, progressCallback) {
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const account = { address: this.address, privateKey: this.privateKey };
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return await encryptKeystoreJson(account, password, { progressCallback });
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}
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/**
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* Returns a [JSON Keystore Wallet](json-wallets) encryped with
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* %%password%%.
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*
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* It is preferred to use the [async version](encrypt) instead,
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* which allows a [[ProgressCallback]] to keep the user informed.
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*
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* This method will block the event loop (freezing all UI) until
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* it is complete, which may be a non-trivial duration.
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*/
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encryptSync(password) {
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const account = { address: this.address, privateKey: this.privateKey };
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return encryptKeystoreJsonSync(account, password);
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}
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static #fromAccount(account) {
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assertArgument(account, "invalid JSON wallet", "json", "[ REDACTED ]");
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if ("mnemonic" in account && account.mnemonic && account.mnemonic.locale === "en") {
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const mnemonic = Mnemonic.fromEntropy(account.mnemonic.entropy);
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const wallet = HDNodeWallet.fromMnemonic(mnemonic, account.mnemonic.path);
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if (wallet.address === account.address && wallet.privateKey === account.privateKey) {
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return wallet;
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}
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console.log("WARNING: JSON mismatch address/privateKey != mnemonic; fallback onto private key");
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}
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const wallet = new Wallet(account.privateKey);
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assertArgument(wallet.address === account.address, "address/privateKey mismatch", "json", "[ REDACTED ]");
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return wallet;
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}
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/**
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* Creates (asynchronously) a **Wallet** by decrypting the %%json%%
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* with %%password%%.
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*
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* If %%progress%% is provided, it is called periodically during
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* decryption so that any UI can be updated.
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*/
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static async fromEncryptedJson(json, password, progress) {
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let account = null;
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if (isKeystoreJson(json)) {
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account = await decryptKeystoreJson(json, password, progress);
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}
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else if (isCrowdsaleJson(json)) {
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if (progress) {
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progress(0);
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await stall(0);
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}
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account = decryptCrowdsaleJson(json, password);
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if (progress) {
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progress(1);
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await stall(0);
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}
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}
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return Wallet.#fromAccount(account);
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}
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/**
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* Creates a **Wallet** by decrypting the %%json%% with %%password%%.
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*
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* The [[fromEncryptedJson]] method is preferred, as this method
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* will lock up and freeze the UI during decryption, which may take
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* some time.
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*/
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static fromEncryptedJsonSync(json, password) {
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let account = null;
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if (isKeystoreJson(json)) {
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account = decryptKeystoreJsonSync(json, password);
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}
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else if (isCrowdsaleJson(json)) {
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account = decryptCrowdsaleJson(json, password);
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}
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else {
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assertArgument(false, "invalid JSON wallet", "json", "[ REDACTED ]");
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}
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return Wallet.#fromAccount(account);
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}
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/**
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* Creates a new random [[HDNodeWallet]] using the avavilable
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* [cryptographic random source](randomBytes).
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*
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* If there is no crytographic random source, this will throw.
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*/
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static createRandom(provider) {
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const wallet = HDNodeWallet.createRandom();
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if (provider) {
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return wallet.connect(provider);
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}
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return wallet;
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}
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/**
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* Creates a [[HDNodeWallet]] for %%phrase%%.
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*/
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static fromPhrase(phrase, provider) {
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const wallet = HDNodeWallet.fromPhrase(phrase);
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if (provider) {
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return wallet.connect(provider);
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}
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return wallet;
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}
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}
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//# sourceMappingURL=wallet.js.map
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