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Текущая директория: /opt/BitGoJS/modules/sdk-core/dist/src/bitgo/utils/tss/ecdsa
Просмотр файла: base.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BaseEcdsaUtils = void 0;
const secp256k1_1 = require("@noble/curves/secp256k1");
const baseTSSUtils_1 = __importDefault(require("../baseTSSUtils"));
const opengpgUtils_1 = require("../../opengpgUtils");
/** @inheritdoc */
class BaseEcdsaUtils extends baseTSSUtils_1.default {
    // We do not have full support for 3-party verification (w/ external source) of key shares and signature shares. There is no 3rd party key service support with this release.
    constructor(bitgo, baseCoin, wallet) {
        super(bitgo, baseCoin, wallet);
        this.setBitgoGpgPubKey(bitgo);
    }
    /**
     * Gets backup pub gpg key string
     */
    async getBackupGpgPubKey() {
        return (0, opengpgUtils_1.generateGPGKeyPair)('secp256k1');
    }
    /**
     * util function that checks that a commonKeychain is valid and can ultimately resolve to a valid public key
     * @param commonKeychain - a user uploaded commonKeychain string
     * @throws if the commonKeychain is invalid length or invalid format
     */
    static validateCommonKeychainPublicKey(commonKeychain) {
        const pub = BaseEcdsaUtils.getPublicKeyFromCommonKeychain(commonKeychain);
        try {
            const point = secp256k1_1.secp256k1.ProjectivePoint.fromHex(pub);
            return point.toHex(false).slice(2);
        }
        catch (e) {
            throw new Error('Invalid commonKeychain, error: ' + e.message);
        }
    }
    /**
     * Gets the common public key from commonKeychain.
     *
     * @param {String} commonKeychain common key chain between n parties
     * @returns {string} encoded public key
     */
    static getPublicKeyFromCommonKeychain(commonKeychain) {
        if (commonKeychain.length !== 130) {
            throw new Error(`Invalid commonKeychain length, expected 130, got ${commonKeychain.length}`);
        }
        const commonPubHexStr = commonKeychain.slice(0, 66);
        return commonPubHexStr;
    }
}
exports.BaseEcdsaUtils = BaseEcdsaUtils;
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