use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::secp256k1::{self, PublicKey, Scalar, Secp256k1, SecretKey};
-use crate::chain::keysinterface::{EntropySource, KeysInterface, KeysManager, NodeSigner, Recipient};
+use crate::chain::keysinterface::{EntropySource, KeysManager, NodeSigner, Recipient};
use crate::ln::features::{InitFeatures, NodeFeatures};
use crate::ln::msgs::{self, OnionMessageHandler};
use crate::ln::onion_utils;
/// # extern crate bitcoin;
/// # use bitcoin::hashes::_export::_core::time::Duration;
/// # use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
-/// # use lightning::chain::keysinterface::{InMemorySigner, KeysManager, KeysInterface};
+/// # use lightning::chain::keysinterface::{InMemorySigner, KeysManager};
/// # use lightning::ln::msgs::DecodeError;
/// # use lightning::ln::peer_handler::IgnoringMessageHandler;
/// # use lightning::onion_message::{BlindedPath, CustomOnionMessageContents, Destination, OnionMessageContents, OnionMessenger};
/// # let your_custom_message_handler = IgnoringMessageHandler {};
/// // Create the onion messenger. This must use the same `keys_manager` as is passed to your
/// // ChannelManager.
-/// let onion_messenger = OnionMessenger::new(&keys_manager, logger, your_custom_message_handler);
+/// let onion_messenger = OnionMessenger::new(&keys_manager, &keys_manager, logger, your_custom_message_handler);
///
/// # struct YourCustomMessage {}
/// impl Writeable for YourCustomMessage {
///
/// [offers]: <https://github.com/lightning/bolts/pull/798>
/// [`OnionMessenger`]: crate::onion_message::OnionMessenger
-pub struct OnionMessenger<K: Deref, L: Deref, CMH: Deref>
- where K::Target: KeysInterface,
- L::Target: Logger,
- CMH:: Target: CustomOnionMessageHandler,
+pub struct OnionMessenger<ES: Deref, NS: Deref, L: Deref, CMH: Deref>
+ where ES::Target: EntropySource,
+ NS::Target: NodeSigner,
+ L::Target: Logger,
+ CMH:: Target: CustomOnionMessageHandler,
{
- keys_manager: K,
+ entropy_source: ES,
+ node_signer: NS,
logger: L,
pending_messages: Mutex<HashMap<PublicKey, VecDeque<msgs::OnionMessage>>>,
secp_ctx: Secp256k1<secp256k1::All>,
InvalidMessage,
/// Our next-hop peer's buffer was full or our total outbound buffer was full.
BufferFull,
- /// Failed to retrieve our node id from the provided [`KeysInterface`].
+ /// Failed to retrieve our node id from the provided [`NodeSigner`].
///
- /// [`KeysInterface`]: crate::chain::keysinterface::KeysInterface
+ /// [`NodeSigner`]: crate::chain::keysinterface::NodeSigner
GetNodeIdFailed,
/// We attempted to send to a blinded path where we are the introduction node, and failed to
/// advance the blinded path to make the second hop the new introduction node. Either
fn read_custom_message<R: io::Read>(&self, message_type: u64, buffer: &mut R) -> Result<Option<Self::CustomMessage>, msgs::DecodeError>;
}
-impl<K: Deref, L: Deref, CMH: Deref> OnionMessenger<K, L, CMH>
- where K::Target: KeysInterface,
- L::Target: Logger,
- CMH::Target: CustomOnionMessageHandler,
+impl<ES: Deref, NS: Deref, L: Deref, CMH: Deref> OnionMessenger<ES, NS, L, CMH>
+ where ES::Target: EntropySource,
+ NS::Target: NodeSigner,
+ L::Target: Logger,
+ CMH::Target: CustomOnionMessageHandler,
{
/// Constructs a new `OnionMessenger` to send, forward, and delegate received onion messages to
/// their respective handlers.
- pub fn new(keys_manager: K, logger: L, custom_handler: CMH) -> Self {
+ pub fn new(entropy_source: ES, node_signer: NS, logger: L, custom_handler: CMH) -> Self {
let mut secp_ctx = Secp256k1::new();
- secp_ctx.seeded_randomize(&keys_manager.get_secure_random_bytes());
+ secp_ctx.seeded_randomize(&entropy_source.get_secure_random_bytes());
OnionMessenger {
- keys_manager,
+ entropy_source,
+ node_signer,
pending_messages: Mutex::new(HashMap::new()),
secp_ctx,
logger,
// advance the blinded path by 1 hop so the second hop is the new introduction node.
if intermediate_nodes.len() == 0 {
if let Destination::BlindedPath(ref mut blinded_path) = destination {
- let our_node_id = self.keys_manager.get_node_id(Recipient::Node)
+ let our_node_id = self.node_signer.get_node_id(Recipient::Node)
.map_err(|()| SendError::GetNodeIdFailed)?;
if blinded_path.introduction_node_id == our_node_id {
- blinded_path.advance_by_one(&self.keys_manager, &self.secp_ctx)
+ blinded_path.advance_by_one(&self.node_signer, &self.secp_ctx)
.map_err(|()| SendError::BlindedPathAdvanceFailed)?;
}
}
}
- let blinding_secret_bytes = self.keys_manager.get_secure_random_bytes();
+ let blinding_secret_bytes = self.entropy_source.get_secure_random_bytes();
let blinding_secret = SecretKey::from_slice(&blinding_secret_bytes[..]).expect("RNG is busted");
let (introduction_node_id, blinding_point) = if intermediate_nodes.len() != 0 {
(intermediate_nodes[0], PublicKey::from_secret_key(&self.secp_ctx, &blinding_secret))
&self.secp_ctx, intermediate_nodes, destination, message, reply_path, &blinding_secret)
.map_err(|e| SendError::Secp256k1(e))?;
- let prng_seed = self.keys_manager.get_secure_random_bytes();
+ let prng_seed = self.entropy_source.get_secure_random_bytes();
let onion_routing_packet = construct_onion_message_packet(
packet_payloads, packet_keys, prng_seed).map_err(|()| SendError::TooBigPacket)?;
false
}
-impl<K: Deref, L: Deref, CMH: Deref> OnionMessageHandler for OnionMessenger<K, L, CMH>
- where K::Target: KeysInterface,
- L::Target: Logger,
- CMH::Target: CustomOnionMessageHandler + Sized,
+impl<ES: Deref, NS: Deref, L: Deref, CMH: Deref> OnionMessageHandler for OnionMessenger<ES, NS, L, CMH>
+ where ES::Target: EntropySource,
+ NS::Target: NodeSigner,
+ L::Target: Logger,
+ CMH::Target: CustomOnionMessageHandler + Sized,
{
/// Handle an incoming onion message. Currently, if a message was destined for us we will log, but
/// soon we'll delegate the onion message to a handler that can generate invoices or send
/// payments.
fn handle_onion_message(&self, _peer_node_id: &PublicKey, msg: &msgs::OnionMessage) {
- let control_tlvs_ss = match self.keys_manager.ecdh(Recipient::Node, &msg.blinding_point, None) {
+ let control_tlvs_ss = match self.node_signer.ecdh(Recipient::Node, &msg.blinding_point, None) {
Ok(ss) => ss,
Err(e) => {
log_error!(self.logger, "Failed to retrieve node secret: {:?}", e);
hmac.input(control_tlvs_ss.as_ref());
Hmac::from_engine(hmac).into_inner()
};
- match self.keys_manager.ecdh(Recipient::Node, &msg.onion_routing_packet.public_key,
+ match self.node_signer.ecdh(Recipient::Node, &msg.onion_routing_packet.public_key,
Some(&Scalar::from_be_bytes(blinding_factor).unwrap()))
{
Ok(ss) => ss.secret_bytes(),
}
}
-impl<K: Deref, L: Deref, CMH: Deref> OnionMessageProvider for OnionMessenger<K, L, CMH>
- where K::Target: KeysInterface,
- L::Target: Logger,
- CMH::Target: CustomOnionMessageHandler,
+impl<ES: Deref, NS: Deref, L: Deref, CMH: Deref> OnionMessageProvider for OnionMessenger<ES, NS, L, CMH>
+ where ES::Target: EntropySource,
+ NS::Target: NodeSigner,
+ L::Target: Logger,
+ CMH::Target: CustomOnionMessageHandler,
{
fn next_onion_message_for_peer(&self, peer_node_id: PublicKey) -> Option<msgs::OnionMessage> {
let mut pending_msgs = self.pending_messages.lock().unwrap();
///
/// [`SimpleArcChannelManager`]: crate::ln::channelmanager::SimpleArcChannelManager
/// [`SimpleArcPeerManager`]: crate::ln::peer_handler::SimpleArcPeerManager
-pub type SimpleArcOnionMessenger<L> = OnionMessenger<Arc<KeysManager>, Arc<L>, IgnoringMessageHandler>;
+pub type SimpleArcOnionMessenger<L> = OnionMessenger<Arc<KeysManager>, Arc<KeysManager>, Arc<L>, IgnoringMessageHandler>;
/// Useful for simplifying the parameters of [`SimpleRefChannelManager`] and
/// [`SimpleRefPeerManager`]. See their docs for more details.
///
///
/// [`SimpleRefChannelManager`]: crate::ln::channelmanager::SimpleRefChannelManager
/// [`SimpleRefPeerManager`]: crate::ln::peer_handler::SimpleRefPeerManager
-pub type SimpleRefOnionMessenger<'a, 'b, L> = OnionMessenger<&'a KeysManager, &'b L, IgnoringMessageHandler>;
+pub type SimpleRefOnionMessenger<'a, 'b, L> = OnionMessenger<&'a KeysManager, &'a KeysManager, &'b L, IgnoringMessageHandler>;
/// Construct onion packet payloads and keys for sending an onion message along the given
/// `unblinded_path` to the given `destination`.
projects / rust-lightning / blobdiff