52 lines
1.6 KiB
Rust
52 lines
1.6 KiB
Rust
#[cfg(not(target_arch = "wasm32"))]
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use std::path::Path;
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use std::time::Duration;
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use anyhow::{Context, Result};
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use nostr_gossip_memory::prelude::*;
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#[cfg(not(target_arch = "wasm32"))]
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use nostr_lmdb::prelude::*;
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#[cfg(target_arch = "wasm32")]
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use nostr_memory::prelude::*;
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use nostr_sdk::prelude::*;
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use crate::signer::UniversalSigner;
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#[cfg(not(target_arch = "wasm32"))]
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pub async fn new_backend(db_path: impl AsRef<Path>) -> Result<(Client, UniversalSigner)> {
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let signer = UniversalSigner::new(Keys::generate());
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let database = NostrLmdb::open(db_path)
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.await
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.context("failed to open nostr database")?;
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Ok(with_database(signer, database))
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}
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/// In-memory database on wasm, LMDB is unavailable there.
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#[cfg(target_arch = "wasm32")]
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pub fn new_backend() -> Result<(Client, UniversalSigner)> {
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let signer = UniversalSigner::new(Keys::generate());
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Ok(with_database(signer, MemoryDatabase::unbounded()))
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}
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fn with_database<D>(signer: UniversalSigner, database: D) -> (Client, UniversalSigner)
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where
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D: IntoNostrDatabase,
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{
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let authenticator = SignerAuthenticator::new(signer.clone());
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let client = ClientBuilder::default()
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.database(database)
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.authenticator(authenticator)
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.gossip(NostrGossipMemory::unbounded())
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.gossip_config(GossipConfig::default().no_background_refresh())
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.connect_timeout(Duration::from_secs(10))
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.verify_subscriptions(true)
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.ban_relay_on_mismatch(true)
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.sleep_when_idle(SleepWhenIdle::Enabled {
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timeout: Duration::from_secs(600),
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})
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.build();
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(client, signer)
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}
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