Assist users in adopting IBC-rs (Q3 2023)

[Farhad-Shabani]

Background

This issue is a continuation of #608 and pertains to one of our objectives for 2023-Q3, which is to “assist users in adopting IBC-rs”. The primary intent here is to track and ensure the timely resolution of day-to-day maintenance tasks, address feature requests, and promptly fix bugs reported by our users as follows:

Tasks

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1. header decoding from emitted UpdateClient event fails #821
   A: bug +1
   
2. Token transfer fails when no memo #792
   A: bug A: critical A: urgent +3
   
3. Json schema for Coin and some parts of Transfer #772
   +0
4. [ICS02] Use Vec<u8> for HeaderAttribute instead of Any #764
   S: specs +1
   
5. [ICS07] Add test to ensure PacketData keeps proper JSON encoding #763
   O: code-hygiene O: testing +2
   
6. [ICS24] Enhancements and fixes for ChainId handling and validation #761
   A: breaking A: bug O: maintainability +3
   
7. Height::from_str accepts invalid heights #752
   A: bug +1
8. Compile errors of v0.41.0 while only serde feature enabled #741
   S: conversions S: no-std +2