Files
coop/crates/common/src/utils.rs
2025-03-13 13:02:58 +07:00

69 lines
1.7 KiB
Rust

use anyhow::Context;
use global::constants::NIP96_SERVER;
use itertools::Itertools;
use nostr_sdk::prelude::*;
use rnglib::{Language, RNG};
use std::{
collections::HashSet,
hash::{DefaultHasher, Hash, Hasher},
};
pub async fn nip96_upload(client: &Client, file: Vec<u8>) -> anyhow::Result<Url, anyhow::Error> {
let signer = client.signer().await?;
let server_url = Url::parse(NIP96_SERVER)?;
let config: ServerConfig = nip96::get_server_config(server_url, None).await?;
let url = nip96::upload_data(&signer, &config, file, None, None).await?;
Ok(url)
}
pub fn room_hash(event: &Event) -> u64 {
let mut hasher = DefaultHasher::new();
let mut pubkeys: Vec<&PublicKey> = vec![];
// Add all public keys from event
pubkeys.push(&event.pubkey);
pubkeys.extend(
event
.tags
.public_keys()
.unique()
.sorted()
.collect::<Vec<_>>(),
);
// Generate unique hash
pubkeys
.into_iter()
.unique()
.sorted()
.collect::<Vec<_>>()
.hash(&mut hasher);
hasher.finish()
}
pub fn device_pubkey(event: &Event) -> Result<PublicKey, anyhow::Error> {
let n_tag = event.tags.find(TagKind::custom("n")).context("Invalid")?;
let hex = n_tag.content().context("Invalid")?;
let pubkey = PublicKey::parse(hex)?;
Ok(pubkey)
}
pub fn random_name(length: usize) -> String {
let rng = RNG::from(&Language::Roman);
rng.generate_names(length, true).join("-").to_lowercase()
}
pub fn compare<T>(a: &[T], b: &[T]) -> bool
where
T: Eq + Hash,
{
let a: HashSet<_> = a.iter().collect();
let b: HashSet<_> = b.iter().collect();
a == b
}