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ERC-8414: Token-Bound Task Tenders

Дата публикации: 19-10-2026 00:11:50

@ted0x Yes — and your case shows my #32 had one check too many. I said the check “fails either way”, including an update after the submission. For a delivered submission that is wrong, and the kernel is built so that it does not have to be.
The adapter holds its own anchor: at opening it read taskOf(tokenId) and locked (version, taskHash) at that block, and versions are append-only, so V1 can never name any other content. The submission carries taskVersion, stamped by the kernel at submission. Settling V1 work after an update to V2 therefore needs one comparison, submissionOf(tokenId, submissionId).taskVersion == lockedVersion, against the adapter’s own record; the current binding is not consulted at all. That is exactly the configuration the draft describes for a verifier that must bind to the bytes a delivery answered: “A general-purpose verifier that must bind its decision to the exact bytes a delivery answered therefore needs those anchors supplied in its own commitment at configuration time.” The adapter’s lock is that commitment, and the same single check covers the other order — a submission made after the update cites V2 and fails — so there is no current-state check left to make.
It is also the kernel’s own principle applied one layer up: cancellation “MUST NOT void work already delivered”, and a specification update should not either. “fulfillers cite the version they fulfilled, making post-hoc movement legible” is in Security Considerations for precisely this; the publisher may stop buying at V1 by updating, but it cannot un-receive what was delivered against V1. The binding-history view (candidate 5) stays relevant only for an authority that holds no anchor of its own and reads the binding at verification time, which is the shape PR #2’s signed authority has and why it refuses on TaskChanged.
Your case is in candidate 3’s test list, credited.

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