InvokeHostFn decoder for arbitrary contracts

[Miracle656]

Background

Beyond token transfers, log every invoke_host_function for downstream consumers to interpret.

What to build

A raw-log endpoint storing function-name, args (ScVal), result, gas.

Key files

• src/indexer/host-fn-log.ts (new)
• prisma/schema.prisma

Acceptance criteria

• Every invoke is logged
• Endpoint to query by contract

Drips Wave · Complexity: Advanced · 200 points

[Depo-dev]

@Depo-dev has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Can i be allowed to work on this issue please. I'm a fullstack engineer with relevant skills & experience to completely resolve this issue

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[arandomogg]

@arandomogg has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

i would love to resolve this issue

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[drips-wave]

Congratulations, @arandomogg! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @arandomogg: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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[drips-wave]

This issue has been completed by @arandomogg as part of the Stellar Wave Program's 5th Wave 🥳

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