Relayer fixes after profiling

[ancazamfir]

Closes: #514
Closes: cosmos/ibc-rs#135

Description

Main changes are:

• replaced CosmosSDK 's block_on() with util's block_on()
• added check in build_update_client() to wait for source chain to reach the target_height
• re-organized packet CLIs around PacketMsgCollector that is populated by the queries, with focus on correct query height versus proof and client update height.

Miscellaneous/ Cleanup:

• added ack and timeout event extraction from Tx results
• removed Msg 's validate_basic()

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For contributor use:

• Updated the Unreleased section of CHANGELOG.md with the issue.
• If applicable: Unit tests written, added test to CI.
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Updated relevant documentation (docs/) and code comments.
• Re-reviewed Files changed in the Github PR explorer.

[codecov-io]

Codecov Report

Merging #515 (552f9fd) into master (b1b37f5) will increase coverage by 15.8%.
The diff coverage is 56.9%.

@@            Coverage Diff            @@
##           master    informalsystems/hermes#515      +/-   ##
=========================================
+ Coverage    13.6%   29.4%   +15.8%     
=========================================
  Files          69     161      +92     
  Lines        3752   13045    +9293     
  Branches     1374    5147    +3773     
=========================================
+ Hits          513    3847    +3334     
- Misses       2618    8947    +6329     
+ Partials      621     251     -370     

Impacted Files	Coverage Δ
...application/ics20_fungible_token_transfer/error.rs	0.0% <0.0%> (ø)
...pplication/ics20_fungible_token_transfer/events.rs	0.0% <ø> (ø)
...ion/ics20_fungible_token_transfer/msgs/transfer.rs	0.0% <0.0%> (ø)
modules/src/events.rs	0.0% <0.0%> (ø)
modules/src/ics02_client/events.rs	0.0% <0.0%> (ø)
modules/src/ics02_client/msgs.rs	0.0% <0.0%> (ø)
modules/src/ics02_client/raw.rs	0.0% <0.0%> (ø)
modules/src/ics03_connection/error.rs	12.5% <0.0%> (-20.9%)	⬇️
modules/src/ics03_connection/events.rs	0.0% <0.0%> (ø)
modules/src/ics04_channel/error.rs	75.0% <ø> (+50.0%)	⬆️
... and 283 more

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[romac]

Great stuff, this is a lot cleaner 👍