update contract documentation

api/src/owner_rpc.rs

@@ -566,9 +566,6 @@ pub trait OwnerRpc {
 	```
 	*/
 
-	/**
-	   TODO: Full docs once API has stabilised
-	*/
 	fn init_send_tx(&self, token: Token, args: InitTxArgs) -> Result<VersionedSlate, Error>;
 
 	/**

libwallet/src/contract/actions/README.md

@@ -45,8 +45,12 @@ without a user confirmation step.
  - Add a Grin node API for kernel lookup by MMR index, then use the witness index instead
    of searching by commitment.
  - Expose the kernel feature constants from `grin_core` and reuse them here.
- - Move payment-proof creation and verification onto `Slate` so it can also be used
-   outside contracts and is versioned with the slate format.
+ - Move payment-proof handling onto `Slate` so it can be used outside contracts and
+   versioned with the slate format
+ - Unify legacy and early payment-proof storage
+ - Add compact Slatepack support for contracts
+ - Allow choosing the address path for contract proofs and outgoing Slatepacks
+ - Keep Slate V5 experimental until the related RFCs are accepted
  - Add contract history, lookup and transport.
  - Separate side effects out from the computation, as described above.
  - Store transactions in LMDB so they can be committed with the wallet state.

libwallet/src/slate_versions/v5.rs

@@ -14,8 +14,7 @@
 
 //! Contains V5 of the slate (version as yet undetermined)
 //!
-//! TODO: Should be considered experimental and remain in an experimental branch
-//! until such time as the relevant RFCs are accepted
+//! V5 is experimental and should remain so until the relevant RFCs are accepted.
 //!
 //! Changes from V4:
 //! #### Top-Level Slate Struct