feat: rosetta migrate to fastify

[pradel]

Description

Migrated Rosetta API endpoints from Express to Fastify to complete the Rosetta migration. I kept the original logic of having 2 separate Fastify servers running. Everything should work as before on the API endpoints.
To make the pr easier to review I didn't change anything in the logic, but we could now use typebox instead of the rosettaValidateRequest to get proper body types and checks.

As many changes in this pr are formatting, it should be reviewed with the "hide whitespace" option to remove the formatting changes.

Type of Change

• New feature
• Bug fix
• API reference/documentation update
• Other

Does this introduce a breaking change?

No

Are documentation updates required?

No

Testing information

All tests should pass

Checklist

• Code is commented where needed
• Unit test coverage for new or modified code paths
• npm run test passes
• Changelog is updated
• Tag 1 of @rafaelcr or @zone117x for review

[pradel]

this was making the offline tests to fail. We are now using fastify.decorate('db', datastore); and this triggers the proxy. Not sure what the best way to fix it.

[codecov]

Codecov Report

❌ Patch coverage is 75.48747% with 176 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/inspector-util.ts	40.32%	74 Missing ⚠️
src/api/routes/rosetta/construction.ts	80.34%	69 Missing ⚠️
src/api/routes/rosetta/account.ts	88.31%	9 Missing ⚠️
src/api/init.ts	82.97%	8 Missing ⚠️
src/api/routes/rosetta/mempool.ts	82.05%	7 Missing ⚠️
src/api/routes/rosetta/network.ts	89.58%	5 Missing ⚠️
src/api/routes/rosetta/block.ts	87.09%	4 Missing ⚠️

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