dummy-sink: Phase-1 mock sink (sink:dummy-sink) (DEV-611)
Trivial Senken-Adapter per §7 of architecture V1.1. Accepts
{decision_id, payload_hash, payload, approval_ref, transform_ref}
on POST /api/v1/sink/dummy/deliver; calls verification-service's
/api/v1/verify/chain and branches:
- valid=true → atomic .tmp+rename write of payload to
/data/dummy-sink/<decision_id>.json, builds a
basicstack.de/attestations/handover/v1 statement, signs via
signing-service with the double identity flow (Pocket-ID bearer
+ projected SA token), submits DSSE envelope to the TLog and
returns 201 {handover_ref, log_index}.
- valid=false & replay=true → 409.
- valid=false → 403 {reasons:[…]}.
Replay protection lives in verification-service per the parent plan;
dummy-sink keeps no local replay store. The payload_hash field is
verified against both the raw and canonical form so a verifier can
reproduce either hash.
Tests use httptest-backed fakes for verify / sign / tlog and cover
the DEV-611 acceptance criteria plus the bad-request shapes:
- happy path writes the file, calls signer with the handover
statement, submits the envelope to the TLog
- 403 keeps the disk and never calls signer/tlog
- replay returns 409 without re-signing
- payload_hash mismatch rejects before verify
- malformed bodies return 400
- verify unavailable → 502, signing denied → 403
Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-10-25 20:20:40 +00:00
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module basicstack.de/proofedmesh/services/dummy-sink
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