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import { SimplePool } from "nostr-tools/pool";
import { signEvent, encrypt, decrypt } from "$lib/nip07";
const pool = new SimplePool();
import { PUBLIC_DM_RELAYS } from "$env/static/public";
const DM_RELAYS_LIST = PUBLIC_DM_RELAYS.split(",");
// Mute the provided pubkey, as the provided user.
export const mute = async (user: any, pubkey: string, hide: boolean) => {
let { shown, hidden } = await getMuteLists(user);
if (hide) {
hidden.push(["p", pubkey]);
} else {
shown.push(["p", pubkey]);
}
await publishMuteList(user, shown, hidden);
};
const tagMatches = (tag: string[], pubkey: string): boolean =>
tag.length >= 2 && tag[0] === "p" && tag[1] === pubkey;
// Unmute the provided pubkey, as the provided user.
export const unmute = async (user: any, pubkey: string) => {
let { shown, hidden } = await getMuteLists(user);
shown = shown.filter((tag: string[]) => !tagMatches(tag, pubkey));
hidden = hidden.filter((tag: string[]) => !tagMatches(tag, pubkey));
await publishMuteList(user, shown, hidden);
};
// Returns a set of the provided user's muted accounts.
export const mutedAccounts = async (user: any): Promise<Set<string>> => {
const { shown, hidden } = await getMuteLists(user);
let muted = new Set<string>();
for (const tag of shown) {
if (tag.length >= 2 && tag[0] === "p") {
muted.add(tag[1]);
}
}
for (const tag of hidden) {
if (tag.length >= 2 && tag[0] === "p") {
muted.add(tag[1]);
}
}
return muted;
};
const getMuteLists = async (user: any): Promise<any> => {
const listEvents = await pool.querySync(DM_RELAYS_LIST, {
kinds: [10000],
authors: [user.pubkey],
limit: 1,
});
if (listEvents.length == 0) {
return { shown: [], hidden: [] };
}
return {
shown: listEvents[0].tags,
hidden:
listEvents[0].content == "" ? [] : await decrypt(listEvents[0].content, user, user.pubkey),
};
};
const publishMuteList = async (user: any, shown: string[], hidden: string[]) => {
const event = await signEvent(
{
kind: 10000,
created_at: Math.floor(Date.now() / 1000),
tags: shown,
content: await encrypt(hidden, user, user.pubkey),
},
user,
);
return Promise.any(pool.publish(DM_RELAYS_LIST, event));
};
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