Expose the constants mentioned in docs, and use doc links

Author: TheBlueMatt

lightning/src/ln/channelmanager.rs

@@ -510,7 +510,11 @@ impl<'a> Drop for PersistenceNotifierGuard<'a> {
 
 /// The amount of time in blocks we require our counterparty wait to claim their money (ie time
 /// between when we, or our watchtower, must check for them having broadcast a theft transaction).
-pub(crate) const BREAKDOWN_TIMEOUT: u16 = 6 * 24;
+///
+/// This can be incrased (but not decreased) through [`ChannelHandshakeConfig::our_to_self_delay`]
+///
+/// [`ChannelHandshakeConfig::our_to_self_delay`]: `crate::util::config::ChannelHandshakeConfig::our_to_self_delay`
+pub const BREAKDOWN_TIMEOUT: u16 = 6 * 24;
 /// The amount of time in blocks we're willing to wait to claim money back to us. This matches
 /// the maximum required amount in lnd as of March 2021.
 pub(crate) const MAX_LOCAL_BREAKDOWN_TIMEOUT: u16 = 2 * 6 * 24 * 7;

lightning/src/util/config.rs

@@ -33,7 +33,7 @@ pub struct ChannelHandshakeConfig {
 	/// case of an honest unilateral channel close, which implicitly decrease the economic value of
 	/// our channel.
 	///
-	/// Default value: BREAKDOWN_TIMEOUT (currently 144), we enforce it as a minimum at channel
+	/// Default value: [`BREAKDOWN_TIMEOUT`] (currently 144), we enforce it as a minimum at channel
 	/// opening so you can tweak config to ask for more security, not less.
 	pub our_to_self_delay: u16,
 	/// Set to the smallest value HTLC we will accept to process.