@swipechain/ledger-transport/dist/sxp.js

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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    if (k2 === undefined) k2 = k;
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var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
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Object.defineProperty(exports, "__esModule", { value: true });
exports.SXP = void 0;
const Apdu = __importStar(require("./apdu"));
const Bip44 = __importStar(require("./bip44"));
const TransportErrors = __importStar(require("./errors"));
class SXP {
    /**
     * Create an instance using a 'LedgerTransport' object.
     *
     * 'decorateAppAPIMethods' basically "locks" execution of the current instruction,
     * preventing race conditions where parallel calls are attempted.
     *
     * @param {LedgerTransport} transport generic transport interface for Ledger HW.
     */
    constructor(transport) {
        Object.defineProperty(this, "transport", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        this.transport = transport;
        this.transport.decorateAppAPIMethods(this, ["getVersion", "getPublicKey", "getExtPublicKey", "signMessageWithSchnorr", "signTransactionWithSchnorr"], "w0w");
    }
    /**
     * Get the installed Application version from a Ledger Device.
     *
     * @returns {Promise<string>} installed application version (e.g. '2.0.1')
     */
    async getVersion() {
        const response = await new Apdu.Builder(Apdu.Flag.CLA, Apdu.Flag.INS_GET_VERSION, Apdu.Flag.P1_NON_CONFIRM, Apdu.Flag.P2_NO_CHAINCODE).send(this.transport);
        return `${response[1]}.${response[2]}.${response[3]}`;
    }
    /**
     * Get the PublicKey from a Ledger Device using a Bip44 path-string.
     *
     * @param {string} path bip44 path as a string
     * @returns {Promise<string>} device compressed publicKey
     */
    async getPublicKey(path) {
        const response = await new Apdu.Builder(Apdu.Flag.CLA, Apdu.Flag.INS_GET_PUBLIC_KEY, Apdu.Flag.P1_NON_CONFIRM, Apdu.Flag.P2_NO_CHAINCODE, Bip44.Path.fromString(path).toBytes()).send(this.transport);
        return response.slice(1, response.length).toString("hex");
    }
    /**
     * Get the Extended PublicKey from a Ledger Device using a Bip44 path-string.
     *
     * Used to derive a 'hardened' account key (eg 44'/111'/0'").
     * Hex result is a 33-byte compressed publicKey prepending a 32-byte chainCode.
     *
     * @param {string} path bip44 path as a string
     * @returns {Promise<string>} device extended publicKey & chaincode
     */
    async getExtPublicKey(path) {
        const response = await new Apdu.Builder(Apdu.Flag.CLA, Apdu.Flag.INS_GET_PUBLIC_KEY, Apdu.Flag.P1_NON_CONFIRM, Apdu.Flag.P2_CHAINCODE, Bip44.Path.fromString(path).toBytes()).send(this.transport);
        return response.slice(1, response.length).toString("hex");
    }
    /**
     * Sign a Message using a Ledger Device with Schnorr Signatures.
     *
     * @param {string} path bip44 path as a string
     * @param {Buffer} message message payload
     * @returns {Promise<string>} payload schnorr signature
     */
    async signMessageWithSchnorr(path, message) {
        this.checkMessageFormat(message);
        const response = await new Apdu.Builder(Apdu.Flag.CLA, Apdu.Flag.INS_SIGN_MESSAGE, Apdu.Flag.P1_SINGLE, Apdu.Flag.P2_SCHNORR_LEG, Buffer.concat([Bip44.Path.fromString(path).toBytes(), message])).send(this.transport);
        return response.toString("hex");
    }
    /**
     * Sign a Transaction using a Ledger Device with Schnorr Signatures.
     *
     * @param {string} path bip44 path as a string
     * @param {Buffer} payload transaction bytes
     * @returns {Promise<string>} payload schnorr signature
     */
    async signTransactionWithSchnorr(path, payload) {
        const response = await new Apdu.Builder(Apdu.Flag.CLA, Apdu.Flag.INS_SIGN_TRANSACTION, Apdu.Flag.P1_SINGLE, Apdu.Flag.P2_SCHNORR_LEG, Buffer.concat([Bip44.Path.fromString(path).toBytes(), payload])).send(this.transport);
        return response.toString("hex");
    }
    /**
     * Check the formatting of a message.
     *
     * @param {Buffer} message message payload
     * @throws {MessageAsciiError} if the message contains non-ascii characters
     */
    checkMessageFormat(message) {
        const REGEXP_INVALID_MESSAGE = "[^\x00-\x7F]";
        if (message.toString().match(new RegExp(REGEXP_INVALID_MESSAGE, "g"))) {
            throw new TransportErrors.MessageAsciiError();
        }
    }
}
exports.SXP = SXP;
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