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Add a few notes about deserializing stale ChannelManagers

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This commit is contained in:
Matt Corallo 2021-02-03 15:13:06 -05:00
parent 23c3278b9d
commit 280de80298
1 changed files with 7 additions and 0 deletions
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7
lightning/src/ln/channelmanager.rs
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@ -3934,6 +3934,13 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> Writeable f
/// 4) Reconnect blocks on your ChannelMonitors.
/// 5) Move the ChannelMonitors into your local chain::Watch.
/// 6) Disconnect/connect blocks on the ChannelManager.
///
/// Note that because some channels may be closed during deserialization, it is critical that you
/// always deserialize only the latest version of a ChannelManager and ChannelMonitors available to
/// you. If you deserialize an old ChannelManager (during which force-closure transactions may be
/// broadcast), and then later deserialize a newer version of the same ChannelManager (which will
/// not force-close the same channels but consider them live), you may end up revoking a state for
/// which you've already broadcasted the transaction.
pub struct ChannelManagerReadArgs<'a, Signer: 'a + Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
where M::Target: chain::Watch<Signer>,
T::Target: BroadcasterInterface,