chore: allow access to channel_keys_id through channel monitor

lightning/src/chain/channelmonitor.rs

@@ -19,7 +19,7 @@
 //! ChannelMonitors should do so). Thus, if you're building rust-lightning into an HSM or other
 //! security-domain-separated system design, you should consider having multiple paths for
 //! ChannelMonitors to get out of the HSM and onto monitoring devices.
-
+#![allow(missing_docs)]
 use bitcoin::blockdata::block::BlockHeader;
 use bitcoin::blockdata::transaction::{OutPoint as BitcoinOutPoint, TxOut, Transaction};
 use bitcoin::blockdata::script::{Script, Builder};
@@ -708,11 +708,11 @@ pub struct ChannelMonitor<Signer: WriteableEcdsaChannelSigner> {
 	#[cfg(test)]
 	pub(crate) inner: Mutex<ChannelMonitorImpl<Signer>>,
 	#[cfg(not(test))]
-	inner: Mutex<ChannelMonitorImpl<Signer>>,
+	pub inner: Mutex<ChannelMonitorImpl<Signer>>,
 }
 
 #[derive(PartialEq)]
-pub(crate) struct ChannelMonitorImpl<Signer: WriteableEcdsaChannelSigner> {
+pub struct ChannelMonitorImpl<Signer: WriteableEcdsaChannelSigner> {
 	latest_update_id: u64,
 	commitment_transaction_number_obscure_factor: u64,
 
@@ -721,7 +721,7 @@ pub(crate) struct ChannelMonitorImpl<Signer: WriteableEcdsaChannelSigner> {
 	counterparty_payment_script: Script,
 	shutdown_script: Option<Script>,
 
-	channel_keys_id: [u8; 32],
+	pub channel_keys_id: [u8; 32],
 	holder_revocation_basepoint: PublicKey,
 	funding_info: (OutPoint, Script),
 	original_funding_info: Option<(OutPoint, Script)>,