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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| use crate::types::{LiquidityManager, PeerManager}; | ||
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|
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| use lightning::ln::features::{InitFeatures, NodeFeatures}; | ||
| use lightning::ln::peer_handler::CustomMessageHandler; | ||
| use lightning::ln::wire::CustomMessageReader; | ||
| use lightning::util::persist::KVStore; | ||
| use lightning_liquidity::events::Event; | ||
| use lightning_liquidity::lsps0::msgs::RawLSPSMessage; | ||
| use lightning_liquidity::lsps2::event::LSPS2ClientEvent; | ||
|
|
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| use bitcoin::secp256k1::PublicKey; | ||
|
|
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| use std::sync::Arc; | ||
|
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| pub(crate) enum LiquiditySource<K: KVStore + Sync + Send + 'static> { | ||
| None, | ||
| LSPS2 { | ||
| liquidity_manager: Arc<LiquidityManager<K>>, | ||
| service_url: String, | ||
| service_node_id: PublicKey, | ||
| token: String, | ||
| }, | ||
| } | ||
|
|
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| impl<K: KVStore + Sync + Send> LiquiditySource<K> { | ||
| pub(crate) fn new_lsps2( | ||
| liquidity_manager: Arc<LiquidityManager<K>>, service_url: String, | ||
| service_node_id: PublicKey, token: String, | ||
| ) -> Self { | ||
| Self::LSPS2 { liquidity_manager, service_url, service_node_id, token } | ||
| } | ||
|
|
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| pub(crate) fn new_none() -> Self { | ||
| Self::None | ||
| } | ||
|
|
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| pub(crate) fn set_peer_manager(&self, peer_manager: Arc<PeerManager<K>>) { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, .. } => { | ||
| let process_msgs_callback = move || peer_manager.process_events(); | ||
| liquidity_manager.set_process_msgs_callback(process_msgs_callback); | ||
| } | ||
| Self::None => {} | ||
| } | ||
| } | ||
|
|
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| pub(crate) async fn handle_next_event(&self) { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, service_url, service_node_id, token } => { | ||
| match liquidity_manager.next_event_async().await { | ||
| Event::LSPS2Client(LSPS2ClientEvent::GetInfoResponse { | ||
| jit_channel_id: _, | ||
| counterparty_node_id: _, | ||
| opening_fee_params_menu: _, | ||
| min_payment_size_msat: _, | ||
| max_payment_size_msat: _, | ||
| user_channel_id: _, | ||
| }) => {} | ||
| Event::LSPS2Client(LSPS2ClientEvent::InvoiceGenerationReady { | ||
| counterparty_node_id: _, | ||
| scid: _, | ||
| cltv_expiry_delta: _, | ||
| payment_size_msat: _, | ||
| client_trusts_lsp: _, | ||
| user_channel_id: _, | ||
| }) => {} | ||
| _ => {} | ||
| } | ||
| } | ||
| Self::None => {} | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl<K: KVStore + Sync + Send + 'static> CustomMessageReader for LiquiditySource<K> { | ||
| type CustomMessage = RawLSPSMessage; | ||
|
|
||
| fn read<RD: lightning::io::Read>( | ||
| &self, message_type: u16, buffer: &mut RD, | ||
| ) -> Result<Option<Self::CustomMessage>, lightning::ln::msgs::DecodeError> { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, .. } => liquidity_manager.read(message_type, buffer), | ||
| Self::None => Ok(None), | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl<K: KVStore + Sync + Send + 'static> CustomMessageHandler for LiquiditySource<K> { | ||
| fn handle_custom_message( | ||
| &self, msg: Self::CustomMessage, sender_node_id: &PublicKey, | ||
| ) -> Result<(), lightning::ln::msgs::LightningError> { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, .. } => { | ||
| liquidity_manager.handle_custom_message(msg, sender_node_id) | ||
| } | ||
| Self::None => Ok(()), // Should be unreachable!() as the reader will return `None` | ||
| } | ||
| } | ||
|
|
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| fn get_and_clear_pending_msg(&self) -> Vec<(PublicKey, Self::CustomMessage)> { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, .. } => liquidity_manager.get_and_clear_pending_msg(), | ||
| Self::None => Vec::new(), | ||
| } | ||
| } | ||
|
|
||
| fn provided_node_features(&self) -> NodeFeatures { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, .. } => liquidity_manager.provided_node_features(), | ||
| Self::None => NodeFeatures::empty(), | ||
| } | ||
| } | ||
|
|
||
| fn provided_init_features(&self, their_node_id: &PublicKey) -> InitFeatures { | ||
| match self { | ||
| Self::LSPS2 { liquidity_manager, .. } => { | ||
| liquidity_manager.provided_init_features(their_node_id) | ||
| } | ||
| Self::None => InitFeatures::empty(), | ||
| } | ||
| } | ||
| } |
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