use ln::msgs;
use ln::{PaymentPreimage, PaymentHash, PaymentSecret};
use chain::keysinterface::SpendableOutputDescriptor;
-use util::ser::{Writeable, Writer, MaybeReadable, Readable};
+use util::ser::{Writeable, Writer, MaybeReadable, Readable, VecReadWrapper, VecWriteWrapper};
use bitcoin::blockdata::script::Script;
/// now + 5*time_forwardable).
time_forwardable: Duration,
},
- /// Used to indicate that an output was generated on-chain which you should know how to spend.
+ /// Used to indicate that an output which you should know how to spend was confirmed on chain
+ /// and is now spendable.
/// Such an output will *not* ever be spent by rust-lightning, and are not at risk of your
/// counterparty spending them due to some kind of timeout. Thus, you need to store them
/// somewhere and spend them when you create on-chain transactions.
},
&Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, ref amt, ref user_payment_id } => {
1u8.write(writer)?;
- payment_hash.write(writer)?;
- payment_preimage.write(writer)?;
- payment_secret.write(writer)?;
- amt.write(writer)?;
- user_payment_id.write(writer)?;
+ write_tlv_fields!(writer, {
+ (0, payment_hash, required),
+ (2, payment_secret, required),
+ (4, amt, required),
+ (6, user_payment_id, required),
+ (8, payment_preimage, option),
+ });
},
&Event::PaymentSent { ref payment_preimage } => {
2u8.write(writer)?;
+ write_tlv_fields!(writer, {
+ (0, payment_preimage, required),
+ });
payment_preimage.write(writer)?;
},
&Event::PaymentFailed { ref payment_hash, ref rejected_by_dest,
ref error_data,
} => {
3u8.write(writer)?;
- payment_hash.write(writer)?;
- rejected_by_dest.write(writer)?;
#[cfg(test)]
error_code.write(writer)?;
#[cfg(test)]
error_data.write(writer)?;
+ write_tlv_fields!(writer, {
+ (0, payment_hash, required),
+ (2, rejected_by_dest, required),
+ });
},
&Event::PendingHTLCsForwardable { time_forwardable: _ } => {
4u8.write(writer)?;
+ write_tlv_fields!(writer, {});
// We don't write the time_fordwardable out at all, as we presume when the user
// deserializes us at least that much time has elapsed.
},
&Event::SpendableOutputs { ref outputs } => {
5u8.write(writer)?;
- (outputs.len() as u64).write(writer)?;
- for output in outputs.iter() {
- output.write(writer)?;
- }
+ write_tlv_fields!(writer, {
+ (0, VecWriteWrapper(outputs), required),
+ });
},
}
Ok(())
fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Option<Self>, msgs::DecodeError> {
match Readable::read(reader)? {
0u8 => Ok(None),
- 1u8 => Ok(Some(Event::PaymentReceived {
- payment_hash: Readable::read(reader)?,
- payment_preimage: Readable::read(reader)?,
- payment_secret: Readable::read(reader)?,
- amt: Readable::read(reader)?,
- user_payment_id: Readable::read(reader)?,
- })),
- 2u8 => Ok(Some(Event::PaymentSent {
- payment_preimage: Readable::read(reader)?,
- })),
- 3u8 => Ok(Some(Event::PaymentFailed {
- payment_hash: Readable::read(reader)?,
- rejected_by_dest: Readable::read(reader)?,
+ 1u8 => {
+ let f = || {
+ let mut payment_hash = PaymentHash([0; 32]);
+ let mut payment_preimage = None;
+ let mut payment_secret = PaymentSecret([0; 32]);
+ let mut amt = 0;
+ let mut user_payment_id = 0;
+ read_tlv_fields!(reader, {
+ (0, payment_hash, required),
+ (2, payment_secret, required),
+ (4, amt, required),
+ (6, user_payment_id, required),
+ (8, payment_preimage, option),
+ });
+ Ok(Some(Event::PaymentReceived {
+ payment_hash,
+ payment_preimage,
+ payment_secret,
+ amt,
+ user_payment_id,
+ }))
+ };
+ f()
+ },
+ 2u8 => {
+ let f = || {
+ let mut payment_preimage = PaymentPreimage([0; 32]);
+ read_tlv_fields!(reader, {
+ (0, payment_preimage, required),
+ });
+ Ok(Some(Event::PaymentSent {
+ payment_preimage,
+ }))
+ };
+ f()
+ },
+ 3u8 => {
+ let f = || {
#[cfg(test)]
- error_code: Readable::read(reader)?,
+ let error_code = Readable::read(reader)?;
#[cfg(test)]
- error_data: Readable::read(reader)?,
- })),
- 4u8 => Ok(Some(Event::PendingHTLCsForwardable {
- time_forwardable: Duration::from_secs(0)
- })),
+ let error_data = Readable::read(reader)?;
+ let mut payment_hash = PaymentHash([0; 32]);
+ let mut rejected_by_dest = false;
+ read_tlv_fields!(reader, {
+ (0, payment_hash, required),
+ (2, rejected_by_dest, required),
+ });
+ Ok(Some(Event::PaymentFailed {
+ payment_hash,
+ rejected_by_dest,
+ #[cfg(test)]
+ error_code,
+ #[cfg(test)]
+ error_data,
+ }))
+ };
+ f()
+ },
+ 4u8 => {
+ let f = || {
+ read_tlv_fields!(reader, {});
+ Ok(Some(Event::PendingHTLCsForwardable {
+ time_forwardable: Duration::from_secs(0)
+ }))
+ };
+ f()
+ },
5u8 => {
- let outputs_len: u64 = Readable::read(reader)?;
- let mut outputs = Vec::new();
- for _ in 0..outputs_len {
- outputs.push(Readable::read(reader)?);
- }
- Ok(Some(Event::SpendableOutputs { outputs }))
+ let f = || {
+ let mut outputs = VecReadWrapper(Vec::new());
+ read_tlv_fields!(reader, {
+ (0, outputs, required),
+ });
+ Ok(Some(Event::SpendableOutputs { outputs: outputs.0 }))
+ };
+ f()
},
_ => Err(msgs::DecodeError::InvalidValue)
}
/// may safely use the provider (e.g., see [`ChannelManager::process_pending_events`] and
/// [`ChainMonitor::process_pending_events`]).
///
+/// (C-not implementable) As there is likely no reason for a user to implement this trait on their
+/// own type(s).
+///
/// [`process_pending_events`]: Self::process_pending_events
/// [`handle_event`]: EventHandler::handle_event
/// [`ChannelManager::process_pending_events`]: crate::ln::channelmanager::ChannelManager#method.process_pending_events
projects / rust-lightning / blobdiff