@metamask/eth-ledger-bridge-keyring/dist/ledger-transport-middleware.cjs

A MetaMask compatible keyring, for ledger hardware wallets

"use strict";
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _LedgerTransportMiddleware_transport;
Object.defineProperty(exports, "__esModule", { value: true });
exports.LedgerTransportMiddleware = void 0;
const ledger_hw_app_1 = require("./ledger-hw-app.cjs");
/**
 * LedgerTransportMiddleware is a middleware to communicate with the Ledger device via transport or LedgerHwAppEth
 */
class LedgerTransportMiddleware {
    constructor() {
        this.mainAppName = 'BOLOS';
        this.ethAppName = 'Ethereum';
        this.transportEncoding = 'ascii';
        _LedgerTransportMiddleware_transport.set(this, void 0);
    }
    /**
     * Method to close the transport connection.
     */
    async dispose() {
        const transport = this.getTransport();
        await transport.close();
    }
    /**
     * Method to set the transport object.
     *
     * @param transport - The transport object for communicating with a Ledger hardware wallet.
     */
    setTransport(transport) {
        __classPrivateFieldSet(this, _LedgerTransportMiddleware_transport, transport, "f");
    }
    /**
     * Method to retrieve the transport object.
     *
     * @returns An generic interface for communicating with a Ledger hardware wallet.
     */
    getTransport() {
        if (!__classPrivateFieldGet(this, _LedgerTransportMiddleware_transport, "f")) {
            throw new Error('Instance `transport` is not initialized.');
        }
        return __classPrivateFieldGet(this, _LedgerTransportMiddleware_transport, "f");
    }
    /**
     * Method to get a new instance of the eth app object.
     *
     * @returns An generic interface for communicating with a Ledger hardware wallet to perform operation.
     */
    getEthApp() {
        return new ledger_hw_app_1.MetaMaskLedgerHwAppEth(this.getTransport());
    }
}
exports.LedgerTransportMiddleware = LedgerTransportMiddleware;
_LedgerTransportMiddleware_transport = new WeakMap();
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