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usage-meter: link usage records to attestation ids across contracts #70
Description
Problem
Metering and attestation are separate contracts with no link between them.
Usage can be recorded with no corresponding attestation, and an attestation can
exist with no usage — so an invoice cannot be traced back to the evidence that
justifies it. That traceability is the entire pitch.
What to do
- Extend the usage record with an
attestation_id. - Cross-contract call into
audit-registryto verify the attestation exists,
is not superseded, and belongs to the claimed payer. - Reject double-metering the same attestation id.
- Decide the policy for usage with no attestation: reject, or record as
unattested and price differently. Make it configurable per payer, and default
to the stricter option. - Measure the cost of the cross-contract call — if it is prohibitive, consider
verifying a batch root instead.
Acceptance criteria
- Usage records carry a verified attestation reference
- Double-metering the same attestation rejected
- Unattested-usage policy configurable, defaulting to strict
- Cross-contract call cost measured and documented
Notes
Depends on the cross-contract authorization pattern issue — get that right
before wiring contracts together, or the call becomes a privilege-escalation
path.
Activity
Alheriii commentedon Aug 24, 2026
Hi there 👋
I’d love to pick this one up.
For context: 200+ contributions shipped across the ecosystem, clean reviews, and I contributed to this project last wave with no dropped PRs or delays.
I’ll add comprehensive tests for DatasetRegistry, LicenseRouter, and RoyaltySplitter — covering happy paths, authorization, edge cases, expiry, revocation, and failures.
Aiming for >85% coverage and cargo test --all green before PR.
Can I be assigned? Thanks!
joelpeace48-cell commentedon Aug 24, 2026
@Alheriii you are assigned, ensure all ci pipeline are green
grantfox-oss commentedon Aug 24, 2026
🦊 GrantFox — @Alheriii has been assigned to this issue as part of the Third Campaign campaign!
Next steps:
Closes #70)Good luck! Track your progress on GrantFox.
grantfox-oss commentedon Aug 24, 2026
🎉 This issue has been marked as completed on GrantFox as part of the Third Campaign campaign!
@Alheriii's PR #84 was approved and merged by @joelpeace48-cell.
🏆 @Alheriii: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (153 total points). Track your full progress on GrantFox.
👏 Great work, @Alheriii! Keep contributing to FinesseStudioLab.