Ics20Withdraw part 2

[grod220]

Complete remainder of IBC out work (first issue: #132).

Currently blocked by revisionHeight serialization bug.

Things left to do:

• Re-enable IBC tab
• Add form validation
• Test if it works

To start: restrict token paths. UI restricts outbound transfers on channel A to native tokens & tokens sent from channel A. This means we don't need to worry about unwinding initially.

More:

• Channel source needs to be “channel source”
• Asset denom cannot be display unit. Needs to be base unit.
• Give it its own tab

[grod220]

Blocked by: cosmos/ibc-proto-rs#165

[grod220]

Now unblocked by: penumbra-zone/penumbra#3550

[grod220]

Not in a place where we can productively work on at the moment.

• IBC relayers are down. Cannot confirm successful tx.
• Dev branch of extension is far ahead of former testnet release (on preview). Cannot index assets correctly and display them on the form.
• Testnet-preview does not have clients running

Should wait until next testnet and extension release to pick this up.

Branch: ibc-part-2

[grod220]

Blocked until relayers are back up: https://discord.com/channels/824484045370818580/930154881040404480/1207033076299862016