User-facing Hermes CLIs to initiate channel & connection handshakes

[adizere]

Crate

ibc-relayer-cli

Problem Definition

With the introduction of the connection worker (#1019) and earlier the channel worker (#924) Hermes is able to complete the conn open handshakes while running passively. The only action a user needs to take is to initiate each handshake(s). Currently we only have tx raw CLIs to initiate handshakes, which are not designed to be user-facing.

Proposal

Add a CLI

• hermes tx open-init [channel/connection] or
• hermes init [channel/connection] or similar

to allow the user to trigger the first step of the open handshake protocol. Thereafter, hermes start will run the rest of the handshake on its own.

Acceptance Criteria

• two new user-facing CLIs, similar in functionality to tx raw chan-open-init and tx raw conn-init.

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[adizere]

This was resolved with the removal of the raw suffix (ref #2315), allowing us to have commands:

• hermes tx conn-init
• hermes tx chan-open-init

Copying @yaruwangway here, as she might be interested in these CLIs. We recently (likely as part of work in cosmos/gaia#1766) noticed the need to have exactly a commands such as the ones above as part of the CI/CD testing of gaiad.