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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@taquito/signer/dist/lib
Просмотр файла: taquito-signer.js
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.InMemorySigner = void 0;
var libsodium_wrappers_1 = require("libsodium-wrappers");
var utils_1 = require("@taquito/utils");
var typedarray_to_buffer_1 = require("typedarray-to-buffer");
var ed_key_1 = require("./ed-key");
var ec_key_1 = require("./ec-key");
var pbkdf2_1 = require("pbkdf2");
var bip39_1 = require("bip39");
__exportStar(require("./import-key"), exports);
/**
* @description A local implementation of the signer. Will represent a Tezos account and be able to produce signature in its behalf
*
* @warn If running in production and dealing with tokens that have real value, it is strongly recommended to use a HSM backed signer so that private key material is not stored in memory or on disk
*
* @warn Calling this constructor directly is discouraged as it do not await for sodium library to be loaded.
*
* Consider doing:
*
* ```const sodium = require('libsodium-wrappers'); await sodium.ready;```
*
* The recommended usage is to use InMemorySigner.fromSecretKey('edsk', 'passphrase')
*/
var InMemorySigner = /** @class */ (function () {
/**
*
* @param key Encoded private key
* @param passphrase Passphrase to decrypt the private key if it is encrypted
*
*/
function InMemorySigner(key, passphrase) {
var encrypted = key.substring(2, 3) === 'e';
var decrypt = function (k) { return k; };
if (encrypted) {
if (!passphrase) {
throw new Error('Encrypted key provided without a passphrase.');
}
decrypt = function (constructedKey) {
var salt = typedarray_to_buffer_1.default(constructedKey.slice(0, 8));
var encryptedSk = constructedKey.slice(8);
var encryptionKey = pbkdf2_1.default.pbkdf2Sync(passphrase, salt, 32768, 32, 'sha512');
return libsodium_wrappers_1.default.crypto_secretbox_open_easy(new Uint8Array(encryptedSk), new Uint8Array(24), new Uint8Array(encryptionKey));
};
}
switch (key.substr(0, 4)) {
case 'edes':
case 'edsk':
this._key = new ed_key_1.Tz1(key, encrypted, decrypt);
break;
case 'spsk':
case 'spes':
this._key = new ec_key_1.Tz2(key, encrypted, decrypt);
break;
case 'p2sk':
case 'p2es':
this._key = new ec_key_1.Tz3(key, encrypted, decrypt);
break;
default:
throw new Error('Unsupported key type');
}
}
InMemorySigner.fromFundraiser = function (email, password, mnemonic) {
var seed = bip39_1.mnemonicToSeedSync(mnemonic, "" + email + password);
var key = utils_1.b58cencode(seed.slice(0, 32), utils_1.prefix.edsk2);
return new InMemorySigner(key);
};
InMemorySigner.fromSecretKey = function (key, passphrase) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, libsodium_wrappers_1.default.ready];
case 1:
_a.sent();
return [2 /*return*/, new InMemorySigner(key, passphrase)];
}
});
});
};
/**
*
* @param bytes Bytes to sign
* @param watermark Watermark to append to the bytes
*/
InMemorySigner.prototype.sign = function (bytes, watermark) {
return __awaiter(this, void 0, void 0, function () {
var bb, bytesHash;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
bb = utils_1.hex2buf(bytes);
if (typeof watermark !== 'undefined') {
bb = utils_1.mergebuf(watermark, bb);
}
// Ensure sodium is ready before calling crypto_generichash otherwise the function do not exists
return [4 /*yield*/, libsodium_wrappers_1.default.ready];
case 1:
// Ensure sodium is ready before calling crypto_generichash otherwise the function do not exists
_a.sent();
bytesHash = typedarray_to_buffer_1.default(libsodium_wrappers_1.default.crypto_generichash(32, bb));
return [2 /*return*/, this._key.sign(bytes, bytesHash)];
}
});
});
};
/**
* @returns Encoded public key
*/
InMemorySigner.prototype.publicKey = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this._key.publicKey()];
});
});
};
/**
* @returns Encoded public key hash
*/
InMemorySigner.prototype.publicKeyHash = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this._key.publicKeyHash()];
});
});
};
/**
* @returns Encoded private key
*/
InMemorySigner.prototype.secretKey = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this._key.secretKey()];
});
});
};
return InMemorySigner;
}());
exports.InMemorySigner = InMemorySigner;
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