use bitcoin::network::constants::Network;
use bitcoin::BlockHash;
use bitcoin_bech32::WitnessProgram;
-use lightning::chain;
+use disk::{INBOUND_PAYMENTS_FNAME, OUTBOUND_PAYMENTS_FNAME};
use lightning::chain::keysinterface::{
EntropySource, InMemorySigner, KeysManager, SpendableOutputDescriptor,
};
use lightning::chain::{chainmonitor, ChannelMonitorUpdateStatus};
use lightning::chain::{Filter, Watch};
use lightning::events::{Event, PaymentFailureReason, PaymentPurpose};
-use lightning::ln::channelmanager;
+use lightning::ln::channelmanager::{self, RecentPaymentDetails};
use lightning::ln::channelmanager::{
ChainParameters, ChannelManagerReadArgs, SimpleArcChannelManager,
};
+use lightning::ln::msgs::DecodeError;
use lightning::ln::peer_handler::{IgnoringMessageHandler, MessageHandler, SimpleArcPeerManager};
use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
use lightning::onion_message::SimpleArcOnionMessenger;
use lightning::routing::router::DefaultRouter;
use lightning::util::config::UserConfig;
use lightning::util::persist::KVStorePersister;
-use lightning::util::ser::ReadableArgs;
+use lightning::util::ser::{Readable, ReadableArgs, Writeable, Writer};
+use lightning::{chain, impl_writeable_tlv_based, impl_writeable_tlv_based_enum};
use lightning_background_processor::{process_events_async, GossipSync};
use lightning_block_sync::init;
use lightning_block_sync::poll;
pub(crate) const PENDING_SPENDABLE_OUTPUT_DIR: &'static str = "pending_spendable_outputs";
+#[derive(Copy, Clone)]
pub(crate) enum HTLCStatus {
Pending,
Succeeded,
Failed,
}
+impl_writeable_tlv_based_enum!(HTLCStatus,
+ (0, Pending) => {},
+ (1, Succeeded) => {},
+ (2, Failed) => {};
+);
+
pub(crate) struct MillisatAmount(Option<u64>);
impl fmt::Display for MillisatAmount {
}
}
+impl Readable for MillisatAmount {
+ fn read<R: io::Read>(r: &mut R) -> Result<Self, DecodeError> {
+ let amt: Option<u64> = Readable::read(r)?;
+ Ok(MillisatAmount(amt))
+ }
+}
+
+impl Writeable for MillisatAmount {
+ fn write<W: Writer>(&self, w: &mut W) -> Result<(), std::io::Error> {
+ self.0.write(w)
+ }
+}
+
pub(crate) struct PaymentInfo {
preimage: Option<PaymentPreimage>,
secret: Option<PaymentSecret>,
amt_msat: MillisatAmount,
}
-pub(crate) type PaymentInfoStorage = Arc<Mutex<HashMap<PaymentHash, PaymentInfo>>>;
+impl_writeable_tlv_based!(PaymentInfo, {
+ (0, preimage, required),
+ (2, secret, required),
+ (4, status, required),
+ (6, amt_msat, required),
+});
+
+pub(crate) struct PaymentInfoStorage {
+ payments: HashMap<PaymentHash, PaymentInfo>,
+}
+
+impl_writeable_tlv_based!(PaymentInfoStorage, {
+ (0, payments, required),
+});
type ChainMonitor = chainmonitor::ChainMonitor<
InMemorySigner,
async fn handle_ldk_events(
channel_manager: &Arc<ChannelManager>, bitcoind_client: &BitcoindClient,
network_graph: &NetworkGraph, keys_manager: &KeysManager,
- inbound_payments: &PaymentInfoStorage, outbound_payments: &PaymentInfoStorage,
- persister: &Arc<FilesystemPersister>, network: Network, event: Event,
+ inbound_payments: Arc<Mutex<PaymentInfoStorage>>,
+ outbound_payments: Arc<Mutex<PaymentInfoStorage>>, persister: &Arc<FilesystemPersister>,
+ network: Network, event: Event,
) {
match event {
Event::FundingGenerationReady {
}
PaymentPurpose::SpontaneousPayment(preimage) => (Some(preimage), None),
};
- let mut payments = inbound_payments.lock().unwrap();
- match payments.entry(payment_hash) {
+ let mut inbound = inbound_payments.lock().unwrap();
+ match inbound.payments.entry(payment_hash) {
Entry::Occupied(mut e) => {
let payment = e.get_mut();
payment.status = HTLCStatus::Succeeded;
});
}
}
+ persister.persist(INBOUND_PAYMENTS_FNAME, &*inbound).unwrap();
}
Event::PaymentSent { payment_preimage, payment_hash, fee_paid_msat, .. } => {
- let mut payments = outbound_payments.lock().unwrap();
- for (hash, payment) in payments.iter_mut() {
+ let mut outbound = outbound_payments.lock().unwrap();
+ for (hash, payment) in outbound.payments.iter_mut() {
if *hash == payment_hash {
payment.preimage = Some(payment_preimage);
payment.status = HTLCStatus::Succeeded;
io::stdout().flush().unwrap();
}
}
+ persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound).unwrap();
}
Event::OpenChannelRequest { .. } => {
// Unreachable, we don't set manually_accept_inbound_channels
print!("> ");
io::stdout().flush().unwrap();
- let mut payments = outbound_payments.lock().unwrap();
- if payments.contains_key(&payment_hash) {
- let payment = payments.get_mut(&payment_hash).unwrap();
+ let mut outbound = outbound_payments.lock().unwrap();
+ if outbound.payments.contains_key(&payment_hash) {
+ let payment = outbound.payments.get_mut(&payment_hash).unwrap();
payment.status = HTLCStatus::Failed;
}
+ persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound).unwrap();
}
Event::PaymentForwarded {
prev_channel_id,
thread_rng().fill_bytes(&mut key);
match File::create(keys_seed_path.clone()) {
Ok(mut f) => {
- f.write_all(&key).expect("Failed to write node keys seed to disk");
+ Write::write_all(&mut f, &key).expect("Failed to write node keys seed to disk");
f.sync_all().expect("Failed to sync node keys seed to disk");
}
Err(e) => {
}
});
- // TODO: persist payment info to disk
- let inbound_payments: PaymentInfoStorage = Arc::new(Mutex::new(HashMap::new()));
- let outbound_payments: PaymentInfoStorage = Arc::new(Mutex::new(HashMap::new()));
+ let inbound_payments = Arc::new(Mutex::new(disk::read_payment_info(Path::new(&format!(
+ "{}/{}",
+ ldk_data_dir, INBOUND_PAYMENTS_FNAME
+ )))));
+ let outbound_payments = Arc::new(Mutex::new(disk::read_payment_info(Path::new(&format!(
+ "{}/{}",
+ ldk_data_dir, OUTBOUND_PAYMENTS_FNAME
+ )))));
+ let recent_payments_payment_hashes = channel_manager
+ .list_recent_payments()
+ .into_iter()
+ .filter_map(|p| match p {
+ RecentPaymentDetails::Pending { payment_hash, .. } => Some(payment_hash),
+ RecentPaymentDetails::Fulfilled { payment_hash } => payment_hash,
+ RecentPaymentDetails::Abandoned { payment_hash } => Some(payment_hash),
+ })
+ .collect::<Vec<PaymentHash>>();
+ for (payment_hash, payment_info) in outbound_payments
+ .lock()
+ .unwrap()
+ .payments
+ .iter_mut()
+ .filter(|(_, i)| matches!(i.status, HTLCStatus::Pending))
+ {
+ if !recent_payments_payment_hashes.contains(payment_hash) {
+ payment_info.status = HTLCStatus::Failed;
+ }
+ }
+ persister.persist(OUTBOUND_PAYMENTS_FNAME, &*outbound_payments.lock().unwrap()).unwrap();
// Step 18: Handle LDK Events
let channel_manager_event_listener = Arc::clone(&channel_manager);
&bitcoind_client_event_listener,
&network_graph_event_listener,
&keys_manager_event_listener,
- &inbound_payments_event_listener,
- &outbound_payments_event_listener,
+ inbound_payments_event_listener,
+ outbound_payments_event_listener,
&persister_event_listener,
network,
event,
ldk_data_dir,
network,
Arc::clone(&logger),
+ Arc::clone(&persister),
)
.await;
projects / ldk-sample / blobdiff