@waku/core/dist/lib/connection_manager/utils.js

TypeScript implementation of the Waku v2 protocol

import { isPeerId } from "@libp2p/interface";
import { peerIdFromString } from "@libp2p/peer-id";
import { multiaddr } from "@multiformats/multiaddr";
import { bytesToUtf8 } from "@waku/utils/bytes";
/**
 * Reads peer's metadata and retrieves ping value.
 * @param peer Peer or null
 * @returns -1 if no ping attached, otherwise returns ping value
 */
export const getPeerPing = (peer) => {
    if (!peer) {
        return -1;
    }
    try {
        const bytes = peer.metadata.get("ping");
        if (!bytes) {
            return -1;
        }
        return Number(bytesToUtf8(bytes));
    }
    catch (e) {
        return -1;
    }
};
/**
 * Maps a PeerId or MultiaddrInput to a PeerId or Multiaddr.
 * @param input - The PeerId or MultiaddrInput to map.
 * @returns The PeerId or Multiaddr.
 * @throws {Error} If the input is not a valid PeerId or MultiaddrInput.
 */
export const mapToPeerIdOrMultiaddr = (input) => {
    return isPeerId(input) ? input : multiaddr(input);
};
/**
 * Maps a PeerId or MultiaddrInput to a PeerId.
 * @param input - The PeerId or MultiaddrInput to map.
 * @returns The PeerId.
 * @throws {Error} If the input is not a valid PeerId or MultiaddrInput.
 */
export const mapToPeerId = (input) => {
    return isPeerId(input)
        ? input
        : peerIdFromString(multiaddr(input).getPeerId());
};
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