Drop stale and cleanup TODO entries in keysinterface

Author: TheBlueMatt

lightning/src/chain/keysinterface.rs

@@ -140,8 +140,6 @@ pub enum SpendableOutputDescriptor {
 	/// regenerated by passing the revocation_pubkey (derived as above), our delayed_payment pubkey
 	/// (derived as above), and the to_self_delay contained here to
 	/// chan_utils::get_revokeable_redeemscript.
-	//
-	// TODO: we need to expose utility methods in KeyManager to do all the relevant derivation.
 	DynamicOutputP2WSH(DynamicP2WSHOutputDescriptor),
 	/// An output to a P2WPKH, spendable exclusively by our payment key (ie the private key which
 	/// corresponds to the public key in ChannelKeys::pubkeys().payment_point).
@@ -229,14 +227,6 @@ impl Readable for SpendableOutputDescriptor {
 /// In any case, ChannelMonitor or fallback watchtowers are always going to be trusted
 /// to act, as liveness and breach reply correctness are always going to be hard requirements
 /// of LN security model, orthogonal of key management issues.
-///
-/// If you're implementing a custom signer, you almost certainly want to implement
-/// Readable/Writable to serialize out a unique reference to this set of keys so
-/// that you can serialize the full ChannelManager object.
-///
-// (TODO: We shouldn't require that, and should have an API to get them at deser time, due mostly
-// to the possibility of reentrancy issues by calling the user's code during our deserialization
-// routine).
 // TODO: We should remove Clone by instead requesting a new ChannelKeys copy when we create
 // ChannelMonitors instead of expecting to clone the one out of the Channel into the monitors.
 pub trait ChannelKeys : Send+Clone + Writeable {
@@ -252,7 +242,7 @@ pub trait ChannelKeys : Send+Clone + Writeable {
 	/// May be called more than once for the same index.
 	///
 	/// Note that the commitment number starts at (1 << 48) - 1 and counts backwards.
-	/// TODO: return a Result so we can signal a validation error
+	// TODO: return a Result so we can signal a validation error
 	fn release_commitment_secret(&self, idx: u64) -> [u8; 32];
 	/// Gets the holder's channel public keys and basepoints
 	fn pubkeys(&self) -> &ChannelPublicKeys;