open-standards/wai/http-conformance/falsify/ancestor-as-object.patch
Transaction Science 71cb8cbed9 http receipts: falsify the round-2 fixes
Patches (falsify/run.sh) for each fix, each failing the corpus cases it names:
legacy-group-read, walk-unclamped, fetch-unmemoised, fetch-budget-unchecked,
file-cap-unchecked, index-size-unchecked, index-items-uncapped,
index-claims-uncapped, claim-through-any-receipt, ancestor-unrecovered,
step6-skipped, figure-not-held-accepted, energy-context-assumed,
gap-coordinates-unchecked; ancestor-as-object, claim-parent-unfetched,
rcpt-name-unchecked, walk-skipped and walk-unbounded regenerated against the new
receipts.rs. Python mutations groups-from-listed, budget-unchecked and
caps-unchecked added, and the round's legacy-admitted, memo-off, walk-unclamped,
step6-skipped and ancestor-any listed in run.sh in place of ancestor-as-object.

The CLI's stream server now outlasts the deadline, so a client without the index
cap reports the deadline instead; the wall-clock assertion is dropped (the
deadline's own report is what the test reads).

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-07 22:30:00 -04:00

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Diff

# must fail: receipts_claims_O3 receipts_ancestor_no_publisher receipts_ancestor_any_object
# a soft binding of another object reported as attesting the object in hand (receipts::check_claim)
diff --git a/wai/wai-rs/src/http_binding/receipts.rs b/wai/wai-rs/src/http_binding/receipts.rs
index f2bdba57..023cf830 100644
--- a/wai/wai-rs/src/http_binding/receipts.rs
+++ b/wai/wai-rs/src/http_binding/receipts.rs
@@ -674,7 +674,7 @@ pub fn check_claim(
let attests = match claim.subject_type {
SubjectType::Object if claim.subject == *cid => Attests::Object,
SubjectType::Receipt if groups.contains(&claim.subject) => Attests::Receipt,
- SubjectType::Object if claim.class() == ClaimClass::SoftBinding && publisher(&claim.subject).is_some() => Attests::Ancestor,
+ SubjectType::Object if claim.class() == ClaimClass::SoftBinding => Attests::Object,
_ => return Err(ReceiptRefusal::NotAboutObject),
};
claim.verify().map_err(ReceiptRefusal::Claim)?;