NostrHTTP - <p>```js import { us

@ Doop

2024-08-02 21:48:50

```js import { useState, useEffect, useCallback, useContext, useRef } from 'react'; import axios from 'axios'; import { nip57, nip19 } from 'nostr-tools'; import { NostrContext } from '@/context/NostrContext'; import { lnurlEncode } from '@/utils/lnurl'; import { parseEvent } from '@/utils/nostr'; import { v4 as uuidv4 } from 'uuid';

const defaultRelays = [ "wss://nos.lol/", "wss://relay.damus.io/", "wss://relay.snort.social/", "wss://relay.nostr.band/", "wss://nostr.mutinywallet.com/", "wss://relay.mutinywallet.com/", "wss://relay.primal.net/" ];

const AUTHOR_PUBKEY = process.env.NEXT_PUBLIC_AUTHOR_PUBKEY;

export function useNostr() { const pool = useContext(NostrContext); const subscriptionQueue = useRef([]); const lastSubscriptionTime = useRef(0); const throttleDelay = 2000;

const processSubscriptionQueue = useCallback(() => {
    if (subscriptionQueue.current.length === 0) return;

    const currentTime = Date.now();
    if (currentTime - lastSubscriptionTime.current < throttleDelay) {
        setTimeout(processSubscriptionQueue, throttleDelay);
        return;
    }

    const subscription = subscriptionQueue.current.shift();
    subscription();

    lastSubscriptionTime.current = currentTime;
    setTimeout(processSubscriptionQueue, throttleDelay);
}, [throttleDelay]);

const subscribe = useCallback(
    (filters, opts) => {
        if (!pool) return;

        const subscriptionFn = () => {
            return pool.subscribeMany(defaultRelays, filters, opts);
        };

        subscriptionQueue.current.push(subscriptionFn);
        processSubscriptionQueue();
    },
    [pool, processSubscriptionQueue]
);

const publish = useCallback(
    async (event) => {
        if (!pool) return;

        try {
            console.log('publishing event', event)
            const result = await Promise.any(pool.publish(defaultRelays, event));
            console.log('result', result)
            console.log('Published event to at least one relay');
            return true;
        } catch (error) {
            console.error('Failed to publish event:', error);
            return false;
        }
    },
    [pool]
);

```

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