hypercore-proxy-handshake/dist/index.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
// @ts-ignore
const node_1 = require("hsd/lib/node");
// @ts-ignore
const net_1 = require("hsd/lib/net");
// @ts-ignore
const sodium_universal_1 = __importDefault(require("sodium-universal"));
const b4a_1 = __importDefault(require("b4a"));
const PROTOCOL = "lumeweb.proxy.handshake";
const libhyperproxy_1 = require("@lumeweb/libhyperproxy");
class HandshakeProxy extends libhyperproxy_1.Proxy {
    constructor({ swarm, listen = false }) {
        super({
            swarm,
            listen,
            autostart: true,
            protocol: PROTOCOL,
            async onopen(socket) {
                const peer = net_1.Peer.fromInbound(self._node.pool.options, socket);
                peer.connected = false;
                peer.outbound = true;
                if (self._node.pool.peers.map.has(peer.hostname()) ||
                    self._node.pool.peers.ids.has(peer.id)) {
                    return { connect: false };
                }
                self._node.pool.bindPeer(peer);
                const open = peer.tryOpen();
                // @ts-ignore
                socket.emit("connect");
                await open;
                self._node.pool.peers.add(peer);
                self._node.pool.connectedGroups.add(peer.address.getGroup());
                self._node.pool.emit("peer", peer);
                return { connect: false };
            },
        });
        const self = this;
    }
    async _init() {
        this._node = new node_1.SPVNode({
            config: false,
            argv: false,
            env: false,
            noDns: true,
            memory: true,
            logFile: false,
            logConsole: true,
            logLevel: "info",
            workers: true,
            network: "main",
            createServer: libhyperproxy_1.createServer,
            createSocket: libhyperproxy_1.createSocket,
        });
        if (this?._node?.http?.http?.listen) {
            this._node.http.http.listen = (port, host, cb) => cb();
        }
        await this._node.open();
        this._node.pool.connected = true;
        this._node.startSync();
        const topic = b4a_1.default.from(PROTOCOL);
        const topicHash = b4a_1.default.allocUnsafe(32);
        sodium_universal_1.default.crypto_generichash(topicHash, topic);
        this.swarm.join(topicHash);
    }
}
exports.default = HandshakeProxy;