88 lines
2.2 KiB
Rust
88 lines
2.2 KiB
Rust
use std::collections::HashMap;
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use std::time::Duration;
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use anyhow::Error;
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use nostr_connect::prelude::*;
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use nostr_sdk::client::SyncSummary;
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use nostr_sdk::prelude::*;
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use signed_core::Filters;
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pub const BOOTSTRAP_RELAYS: [&str; 2] = ["wss://relay.ditto.pub", "wss://index.ngit.dev"];
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pub const INDEXER_RELAYS: [&str; 2] = ["wss://indexer.coracle.social", "wss://user.kindpag.es"];
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pub(crate) async fn ensure_bootstrap_relays(client: &Client) -> Result<(), Error> {
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for url in BOOTSTRAP_RELAYS {
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client.add_relay(url).and_connect().await?;
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}
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for url in INDEXER_RELAYS {
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client
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.add_relay(url)
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.capabilities(RelayCapabilities::DISCOVERY)
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.and_connect()
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.await?;
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}
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Ok(())
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}
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pub(crate) async fn subscribe_bootstrap_only(
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client: &Client,
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filters: Vec<Filter>,
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) -> Result<(), Error> {
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ensure_bootstrap_relays(client).await?;
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let opts = SubscribeAutoCloseOptions::default()
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.exit_policy(ReqExitPolicy::ExitOnEOSE)
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.timeout(Some(Duration::from_secs(10)));
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let target: HashMap<&str, Vec<Filter>> = BOOTSTRAP_RELAYS
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.iter()
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.map(|relay| (*relay, filters.clone()))
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.collect();
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client.subscribe(target).close_on(opts).await?;
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Ok(())
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}
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pub(crate) async fn sync_bootstrap_only(
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client: &Client,
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filter: Filter,
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opts: SyncOptions,
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) -> Result<SyncSummary, Error> {
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ensure_bootstrap_relays(client).await?;
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let output = client
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.sync(filter)
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.with(BOOTSTRAP_RELAYS)
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.opts(opts)
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.await?;
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Ok(output.value)
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}
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fn grasp_list_servers(event: &Event) -> Vec<RelayUrl> {
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event
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.tags
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.iter()
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.filter(|tag| tag.kind() == "g")
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.filter_map(|tag| tag.content())
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.filter_map(|url| RelayUrl::parse(url).ok())
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.collect()
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}
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pub async fn user_grasp_list_servers(
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client: &Client,
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user: PublicKey,
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) -> Result<Vec<RelayUrl>, Error> {
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let events: Vec<Event> = client
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.database()
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.query(Filters::grasp_list(user).limit(1))
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.await?
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.into_iter()
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.collect();
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Ok(events.first().map(grasp_list_servers).unwrap_or_default())
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}
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