feat: detach client state verifier enabling users to implement custom verifier (#1097)

* Add empty Verifier trait stub

* Remove verifier field from ClientState

* Implement TmVerifier for ClientState

* Move ClientState trait methods into being standalone functions

* Fix some typos

* Remove unused fn param on update_client_state_on_misbehaviour

* Call standalone functions in trait implementations

* Move update_client and misbehaviour methods out of the ClientState impl

* Define `DefaultVerifier` type

* Replace `ClientState` fn params with `ClientStateType`

* Migrate ClientState::initialise function param back to ClientState

* Change some associated type constraints

* Change From<TmConsensusState> constraint to From<ConsensusStateType>

* impl From<ConsensusStateType> for AnyConsensusState

* impl some Displays when use-substrate feature is not enabled

* Remove unused displaydoc use statement

* Revert "Remove unused displaydoc use statement"

This reverts commit 92e8e36.

* Revert "impl some Displays when use-substrate feature is not enabled"

This reverts commit 083399c.

* Add docstring comment illustrating how to implement a custom verifier

* Ad unclog entry

* fix: set NIGHTLY_VERSION=nightly-2024-02-24

* imp: reorganize client_state.rs + clean-ups

* nit

---------

Co-authored-by: Farhad Shabani <farhad.shabani@gmail.com>

Author: seanchen1991

.changelog/unreleased/improvements/1097-detach-client-state-verifier.md

@@ -0,0 +1,3 @@
+- [ibc-client-tendermint] Detach client state verifier such that users have a
+  way to utilize custom verifiers
+  ([\#1097](https://github.com/cosmos/ibc-rs/pull/1097))

.github/workflows/no-std.yaml

@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: nightly-2024-02-24
           target: wasm32-unknown-unknown
           override: true
       - run: |

ci/no-std-check/Makefile

@@ -1,4 +1,4 @@
-NIGHTLY_VERSION=nightly
+NIGHTLY_VERSION=nightly-2024-02-24
 
 .DEFAULT_GOAL := help
 

ibc-clients/ics07-tendermint/Cargo.toml

@@ -18,7 +18,8 @@ all-features = true
 
 [dependencies]
 # external dependencies
-serde = { workspace = true, optional = true }
+derive_more = { workspace = true }
+serde       = { workspace = true, optional = true }
 
 # ibc dependencies
 ibc-client-tendermint-types      = { workspace = true }