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Текущая директория: /opt/BitGoJS/modules/sdk-coin-algo/dist/src
Просмотр файла: seedValidator.js
"use strict";
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var __importStar = (this && this.__importStar) || (function () {
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};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.SeedValidator = void 0;
const stellar = __importStar(require("stellar-sdk"));
const _ = __importStar(require("lodash"));
const statics_1 = require("@bitgo/statics");
const lib_1 = require("./lib");
const cryptography_1 = require("@hashgraph/cryptography");
/**
* This classes intention is to guess/verify what seeds come from where.
*/
class SeedValidator {
/**
* Try to guess what kind of seed this could be
* @param seed
* @returns {string} - returns undefined if the coin type is undetectable. returns
* the coin family otherwise.
*/
static getCoinFamilyFromSeed(seed) {
let coin = undefined;
// if this can be implemented in more than one competing seed format, that could be an issue
if (!SeedValidator.hasCompetingSeedFormats(seed)) {
// ordering generally matters here - hbar is the least permissive for seed checking, algo and
// stellar have checksums. coin is guaranteed to be mutually exclusive by the
// competing seed format check
if (lib_1.algoUtils.isValidSeed(seed))
coin = statics_1.CoinFamily.ALGO;
if (stellar.StrKey.isValidEd25519SecretSeed(seed))
coin = statics_1.CoinFamily.XLM;
if (SeedValidator.isValidHbarSeedFormat(seed))
coin = statics_1.CoinFamily.HBAR;
}
return coin;
}
/**
* Checks whether this is a valid seed for this coin family type.
* @param seed - seed
* @param coinFamily - the coinFamily of the coin we're working with
*/
static isValidEd25519SeedForCoin(seed, coinFamily) {
const guessedCoin = SeedValidator.getCoinFamilyFromSeed(seed);
return coinFamily === guessedCoin;
}
/**
* We need to ensure there is no overlap for any two seeds we put into this function. This functions
* intention is for gating whether this seed could possibly match two formats or is invalid itself.
* @param seed
*/
static hasCompetingSeedFormats(seed) {
const isAlgoSeed = lib_1.algoUtils.isValidSeed(seed);
const isStellarSeed = stellar.StrKey.isValidEd25519SecretSeed(seed);
const isHbarSeed = SeedValidator.isValidHbarSeedFormat(seed);
return _.sum([isAlgoSeed, isStellarSeed, isHbarSeed]) !== 1;
}
/**
* Checks if this is a valid Hbar prv. These can be encoded differently.
* @param seed
*/
static isValidHbarSeedFormat(seed) {
try {
cryptography_1.PrivateKey.fromString(seed);
}
catch {
return false;
}
return true;
}
}
exports.SeedValidator = SeedValidator;
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