[Bounty Claim] RIP-309 Phase 1 reward rotation equivalence

[jeffreyzeng10]

Claim an RTC Bounty

Merged PR Link: #6745

Bounty Issue Link: #2234

RTC Wallet Name / Address: RTCd83872e3be5c133b6cdb70d3b8d2a833c6fbb030

Bounty Tier: Standard (20-50 RTC)

Amount Claimed: 50 RTC

What did you do?

Completed the RIP-309 Phase 1 reward-path equivalence proof work. The merged PR adds golden-vector tests and helper coverage proving the fingerprint reward rotation selection matches the existing inline reward-path behavior, while preserving the empty previous-block-hash fallback.

The PR was merged on 2026-06-01 and addresses Phase 1 of #2234.

[jaxint]

Thanks for submitting your bounty claim!

I've reviewed the linked PR and can confirm:

• ✅ PR is merged
• ✅ Review meets substantive criteria
• ✅ Wallet address provided

Awaiting maintainer verification and RTC disbursement.

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Bounty Verification
Wallet: AhqbFaPBPLMMiaLDzA9WhQcyvv4hMxiteLhPk3NhG1iG