by YTYT0707
02/28 [2025/02/28 08:50:17]
リレーからkind30002イベントを取得してRabbitにリレーセットをインポートする
/*
* @title import relay set to Rabbit
* @description リレーからkind30002イベントを取得してRabbitにリレーセットをインポートする
* @include https://rabbit.syusui.net/*
* @license CC0 1.0
* @require
*/
(async () => {
let relayUrl = 'wss://relay-jp.nostr.wirednet.jp';
const getPubkey = async () => {
let pubkey; //Node.jsでデバッグする際はここに初期値を入れてください。無ければ最新の誰かのイベントで代用します。
const nostr = globalThis.window?.nostr;
if (nostr?.getPublicKey) {
try {
pubkey = await nostr.getPublicKey();
} catch (error) {
console.warn(error);
}
}
return pubkey;
};
const getEvent30002 = async (pubkey) => {
return new Promise((resolve) => {
const ws = new WebSocket(relayUrl);
const subscription_id = 'getrelaysetinrabbit';
let res = [];
ws.onopen = () => {
const req = [
'REQ',
subscription_id,
pubkey ? { kinds: [30002], authors: [pubkey] } : { kinds: [30002], limit: 1 }
];
ws.send(JSON.stringify(req));
};
ws.onmessage = (e) => {
const msg = JSON.parse(e.data);
switch (msg[0]) {
case 'EVENT':
res.push(msg[2]);
break;
case 'EOSE':
ws.send(JSON.stringify(['CLOSE', subscription_id]));
ws.close();
resolve(res);
break;
default:
console.log(msg);
break;
}
};
ws.onerror = () => {
console.error('failed to connect');
};
});
};
const main = async () => {
relayUrl = window.prompt('Input relay URL.', relayUrl);
if (!URL.canParse(relayUrl)) {
console.warn(`Invalid URL: ${relayUrl}`);
return;
}
let pubkey;
try {
pubkey = await getPubkey();
} catch (error) {
console.warn(error);
return;
}
if (globalThis.window && !pubkey) {
console.warn('pubkey is empty.');
return;
}
let ev30002s;
try {
ev30002s = await getEvent30002(pubkey);
} catch (error) {
console.warn(error);
return;
}
let relays;
for (const ev of ev30002s) {
const d = ev.tags.find((tag) => tag.length >= 2 && tag[0] === 'd')?.at(1) ?? '';
const rs = ev.tags
.filter((tag) => tag.length >= 2 && tag[0] === 'relay' && URL.canParse(tag[1]))
.map((tag) => tag[1]);
if (window.confirm(`Do you want to use "${d}" ?\n\n` + rs.join('\n'))) {
relays = rs;
break;
}
}
if (relays === undefined) {
return;
}
if (globalThis.window) {
const config = JSON.parse(localStorage['RabbitConfig']);
config.relayUrls = Array.from(new Set([...config.relayUrls, ...relays]));
localStorage['RabbitConfig'] = JSON.stringify(config);
alert('Complete. Please reload by yourself.');
} else {
console.log({ relays });
console.log('Complete.');
}
};
main();
})();