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5551cc3a55
- Create HARDCODED_RELAYS constant with relay.nostr.band - Always include hardcoded relays in relay pool - Update computeRelaySet calls to use HARDCODED_RELAYS - Ensures we can fetch events even if user has no relay list - relay.nostr.band is a public searchable relay that indexes all events
92 lines
2.3 KiB
TypeScript
92 lines
2.3 KiB
TypeScript
import { RelayPool } from 'applesauce-relay'
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import { prioritizeLocalRelays } from '../utils/helpers'
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/**
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* Local relays that are always included
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*/
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export const ALWAYS_LOCAL_RELAYS = [
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'ws://localhost:10547',
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'ws://localhost:4869'
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]
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/**
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* Hardcoded relays that are always included
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*/
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export const HARDCODED_RELAYS = [
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'wss://relay.nostr.band'
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]
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/**
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* Gets active relay URLs from the relay pool
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*/
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export function getActiveRelayUrls(relayPool: RelayPool): string[] {
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const urls = Array.from(relayPool.relays.keys())
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return prioritizeLocalRelays(urls)
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}
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/**
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* Normalizes a relay URL to match what applesauce-relay stores internally
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* Adds trailing slash for URLs without a path
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*/
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function normalizeRelayUrl(url: string): string {
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try {
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const parsed = new URL(url)
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// If the pathname is empty or just "/", ensure it ends with "/"
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if (parsed.pathname === '' || parsed.pathname === '/') {
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return url.endsWith('/') ? url : url + '/'
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}
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return url
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} catch {
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// If URL parsing fails, return as-is
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return url
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}
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}
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/**
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* Applies a new relay set to the pool: adds missing relays, removes extras
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*/
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export function applyRelaySetToPool(
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relayPool: RelayPool,
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finalUrls: string[]
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): void {
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// Normalize all URLs to match pool's internal format
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const currentUrls = new Set(Array.from(relayPool.relays.keys()))
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const normalizedTargetUrls = new Set(finalUrls.map(normalizeRelayUrl))
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// Add new relays (use original URLs for adding, not normalized)
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const toAdd = finalUrls.filter(url => !currentUrls.has(normalizeRelayUrl(url)))
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if (toAdd.length > 0) {
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relayPool.group(toAdd)
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}
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// Remove relays not in target (but always keep local relays)
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const toRemove: string[] = []
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for (const url of currentUrls) {
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// Check if this normalized URL is in the target set
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if (!normalizedTargetUrls.has(url)) {
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// Also check if it's a local relay (check both normalized and original forms)
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const isLocal = ALWAYS_LOCAL_RELAYS.some(localUrl =>
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normalizeRelayUrl(localUrl) === url || localUrl === url
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)
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if (!isLocal) {
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toRemove.push(url)
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}
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}
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}
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for (const url of toRemove) {
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const relay = relayPool.relays.get(url)
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if (relay) {
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relay.close()
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relayPool.relays.delete(url)
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}
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}
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}
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