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Impl ReadableArgs for Arc<ChannelManager>, not just ChannelManager.

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This provides a simple wrapper for deserializing right into an
Arc<ChannelManager>, which improves UX a tiny bit when working with
SimpleArcChannelManager types.
This commit is contained in:
Matt Corallo 2020-01-27 10:38:13 -05:00
parent c1dc8e39a7
commit 39b62335b7
1 changed files with 15 additions and 0 deletions
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15
lightning/src/ln/channelmanager.rs
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@ -3353,6 +3353,21 @@ pub struct ChannelManagerReadArgs<'a, ChanSigner: 'a + ChannelKeys, M: Deref, T:
pub channel_monitors: &'a mut HashMap<OutPoint, &'a mut ChannelMonitor<ChanSigner>>,
}
// Implement ReadableArgs for an Arc'd ChannelManager to make it a bit easier to work with the
// SipmleArcChannelManager type:
impl<'a, R : ::std::io::Read, ChanSigner: ChannelKeys + Readable<R>, M: Deref, T: Deref, K: Deref, F: Deref>
ReadableArgs<R, ChannelManagerReadArgs<'a, ChanSigner, M, T, K, F>> for (Sha256dHash, Arc<ChannelManager<ChanSigner, M, T, K, F>>)
where M::Target: ManyChannelMonitor<ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
{
fn read(reader: &mut R, args: ChannelManagerReadArgs<'a, ChanSigner, M, T, K, F>) -> Result<Self, DecodeError> {
let (blockhash, chan_manager) = <(Sha256dHash, ChannelManager<ChanSigner, M, T, K, F>)>::read(reader, args)?;
Ok((blockhash, Arc::new(chan_manager)))
}
}
impl<'a, R : ::std::io::Read, ChanSigner: ChannelKeys + Readable<R>, M: Deref, T: Deref, K: Deref, F: Deref>
ReadableArgs<R, ChannelManagerReadArgs<'a, ChanSigner, M, T, K, F>> for (Sha256dHash, ChannelManager<ChanSigner, M, T, K, F>)
where M::Target: ManyChannelMonitor<ChanSigner>,