hashtree_cli/
fips_transport.rs

1//! Hashtree daemon integration for the embedded FIPS endpoint API.
2//!
3//! This starts `fips_core::FipsEndpoint` inside the htree process; it does not
4//! depend on or talk to an external FIPS daemon.
5
6use crate::config::Config;
7use crate::storage::{HashtreeStore, StorageRouter};
8use anyhow::{Context, Result};
9use hashtree_fips_transport::{
10    bind_fips_endpoint, FipsEndpointOptions, HashtreeFipsTransport, DEFAULT_FIPS_DISCOVERY_SCOPE,
11};
12use nostr::nips::nip19::ToBech32;
13use std::sync::Arc;
14use std::time::Duration;
15use tokio::task::JoinHandle;
16
17pub type DaemonFipsTransport = HashtreeFipsTransport<StorageRouter>;
18
19pub struct DaemonFipsHandle {
20    pub transport: Arc<DaemonFipsTransport>,
21    pub endpoint_npub: String,
22    pub discovery_scope: String,
23    receiver_task: JoinHandle<()>,
24}
25
26impl DaemonFipsHandle {
27    pub fn shutdown(&self) {
28        self.receiver_task.abort();
29    }
30}
31
32pub async fn start_daemon_fips_transport(
33    config: &Config,
34    keys: &nostr::Keys,
35    store: Arc<HashtreeStore>,
36) -> Result<Option<DaemonFipsHandle>> {
37    if !config.server.enable_fips || !config.server.mode.hash_get_enabled() {
38        return Ok(None);
39    }
40
41    let active_relays = config.nostr.active_relays();
42    let relays = config.server.resolved_fips_relays(&active_relays);
43    let discovery_scope = normalized_discovery_scope(&config.server.fips_discovery_scope);
44    let identity_nsec = keys
45        .secret_key()
46        .to_bech32()
47        .context("Failed to encode daemon identity for FIPS endpoint")?;
48    let endpoint = bind_fips_endpoint(FipsEndpointOptions {
49        identity_nsec,
50        discovery_scope: discovery_scope.clone(),
51        relays,
52        enable_udp: config.server.enable_fips_udp,
53        enable_webrtc: config.server.enable_fips_webrtc,
54        udp_bind_addr: config.server.fips_udp_bind_addr.clone(),
55        udp_public: config.server.fips_udp_public,
56        udp_external_addr: config.server.fips_udp_external_addr.clone(),
57        packet_channel_capacity: 1024,
58    })
59    .await
60    .context("Failed to start FIPS endpoint")?;
61
62    let request_timeout = Duration::from_millis(config.server.fips_request_timeout_ms.max(1));
63    let transport = Arc::new(
64        HashtreeFipsTransport::new(endpoint.endpoint, store.store_arc())
65            .with_request_timeout(request_timeout)
66            .with_cache_responses(false),
67    );
68    let receiver_task = transport.start();
69
70    Ok(Some(DaemonFipsHandle {
71        transport,
72        endpoint_npub: endpoint.local_peer_id,
73        discovery_scope: endpoint.discovery_scope,
74        receiver_task,
75    }))
76}
77
78fn normalized_discovery_scope(scope: &str) -> String {
79    let scope = scope.trim();
80    if scope.is_empty() {
81        DEFAULT_FIPS_DISCOVERY_SCOPE.to_string()
82    } else {
83        scope.to_string()
84    }
85}
86
87#[cfg(test)]
88mod tests {
89    use super::*;
90
91    #[test]
92    fn empty_discovery_scope_uses_hashtree_default() {
93        assert_eq!(
94            normalized_discovery_scope("  "),
95            DEFAULT_FIPS_DISCOVERY_SCOPE.to_string()
96        );
97    }
98}
hashtree_cli/fips_transport.rs

hashtree_cli/
fips_transport.rs
