+ /// To derive a new `Signer`, a fresh `channel_keys_id` should be obtained through
+ /// [`SignerProvider::generate_channel_keys_id`]. Otherwise, an existing `Signer` can be
+ /// re-derived from its `channel_keys_id`, which can be obtained through its trait method
+ /// [`BaseSign::channel_keys_id`].
+ fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer;
+
+ /// Reads a [`Signer`] for this [`SignerProvider`] from the given input stream.
+ /// This is only called during deserialization of other objects which contain
+ /// [`Sign`]-implementing objects (i.e., [`ChannelMonitor`]s and [`ChannelManager`]s).
+ /// The bytes are exactly those which `<Self::Signer as Writeable>::write()` writes, and
+ /// contain no versioning scheme. You may wish to include your own version prefix and ensure
+ /// you've read all of the provided bytes to ensure no corruption occurred.
+ ///
+ /// This method is slowly being phased out -- it will only be called when reading objects
+ /// written by LDK versions prior to 0.0.113.
+ ///
+ /// [`Signer`]: Self::Signer
+ /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
+ /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ fn read_chan_signer(&self, reader: &[u8]) -> Result<Self::Signer, DecodeError>;
+
+ /// Get a script pubkey which we send funds to when claiming on-chain contestable outputs.
+ ///
+ /// This method should return a different value each time it is called, to avoid linking
+ /// on-chain funds across channels as controlled to the same user.
+ fn get_destination_script(&self) -> Script;
+
+ /// Get a script pubkey which we will send funds to when closing a channel.
+ ///
+ /// This method should return a different value each time it is called, to avoid linking
+ /// on-chain funds across channels as controlled to the same user.
+ fn get_shutdown_scriptpubkey(&self) -> ShutdownScript;