27 lines
780 B
JavaScript
27 lines
780 B
JavaScript
import { ERR_NO_RELAYS } from "./error.js";
|
|
import b4a from "b4a";
|
|
import { isPromise } from "./util.js";
|
|
import RPC from "@lumeweb/rpc";
|
|
let activeRelay;
|
|
export async function setupRelay(network) {
|
|
const relays = network.relays;
|
|
if (!activeRelay) {
|
|
if (!relays.length) {
|
|
throw new Error(ERR_NO_RELAYS);
|
|
}
|
|
let relay = relays[Math.floor(Math.random() * relays.length)];
|
|
let socket = network.dht.connect(b4a.from(relay, "hex"));
|
|
if (isPromise(socket)) {
|
|
socket = await socket;
|
|
}
|
|
await socket.opened;
|
|
activeRelay = new RPC(socket);
|
|
socket.once("close", () => {
|
|
activeRelay = undefined;
|
|
});
|
|
}
|
|
}
|
|
export function getActiveRelay() {
|
|
return activeRelay;
|
|
}
|