[sBTC] 3553 add burn ops rpc for pegout

[stjepangolemac]

Description

Uses a temporary branch as a base until some prerequisite work is merged into next.

Applicable issues

• adds the PegOut RPC

Checklist

• Test coverage for new or modified code paths (@netrome seems some related tests were added in the peg out wire format PR, do we need additional tests?)

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Codecov Report

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[stjepangolemac]

@kantai do we have any tests for API responses? This diff seems suspiciously small and that's the only thing that crossed my mind, so I might've missed it. Also, let me know if you find that something is missing.

[netrome]

We also should extend the test_submit_and_observe_sbtc_ops test in neon_integrations.rs. This won't test the serialized format of API responses though, but at least verifies that the API picks up new peg out requests and peg out fulfillments.

[netrome]

Generally looks good to me. One request, can we add a serialization test similar to what Aaron added here https://github.com/stacks-network/stacks-blockchain/pull/3511/files#diff-0cc1d8499a6219cd0467abfddd7ae0eb6e5269b10df975cf68d79b35d70867e4?

[stjepangolemac]

I'll need to create another prereq branch from the latest parent branches:

• feat/sbtc-burn-ops-rpc
• 3493-sbtc-peg-out-wire-format

[jcnelson]

If it's for sBTC, please label it as such. Thanks!

[netrome]

If it's for sBTC, please label it as such. Thanks!

Done. This is to be incorporated in #3577 since the changes introduced here are minimal and closely related to it. I'm closing this PR since we don't intend to merge this one.

[blockstack-devops]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.