{
 "number": 36261,
 "input_hash": "eed3b6c95a8156a1",
 "model": "openrouter/google/gemini-3.8-flash",
 "batch": false,
 "created": "2026-09-17T16:24:23+00:00",
 "provider": "Google",
 "stop_reason": "end_turn",
 "usage": {
  "input_tokens": 17831,
  "cache_creation_input_tokens": 0,
  "cache_read_input_tokens": 0,
  "output_tokens": 2625
 },
 "cost_usd": 0.023217,
 "error": null,
 "result": {
  "display": {
   "goal": [
    "Add functional test coverage for combinepsbt preserving unknown PSBT fields across maps in v0 and v2."
   ],
   "reviewability": [
    "Ready",
    "Small test addition with green CI and no blockers."
   ],
   "agreement": [
    "Strong support from w0xlt (Approach ACK) and polespinasa (Concept ACK with incorporated test cases)."
   ],
   "categories": [
    {
     "name": "rpc",
     "why": [
      "P3 because it locks in standard-compliant BIP 174/370 behavior for combinepsbt preserving unknown fields.",
      "Provides regression safety for RPC callers relying on proprietary or future PSBT fields surviving combinations."
     ]
    },
    {
     "name": "tests",
     "why": [
      "Unranked because testing guidelines assign tests of specific subsystem behavior to that subsystem rather than test framework infrastructure."
     ]
    },
    {
     "name": "wallet",
     "why": [
      "Unranked because the test exercises standalone raw transaction PSBT RPCs without touching wallet code or wallet PSBT workflows."
     ]
    }
   ]
  },
  "summary": "Adds functional test cases to `test/functional/rpc_psbt.py` validating that `combinepsbt` preserves unknown key-value pairs across global, input, and output maps. The test covers both PSBTv0 and PSBTv2 across duplicate values, conflicting values, and fields present in only one of the inputs.",
  "problem": "The `combinepsbt` RPC's handling of unknown PSBT fields lacked explicit functional test coverage across various edge cases, risking regressions in BIP 174 and BIP 370 compliance for tooling and workflows using proprietary or newly defined PSBT fields.",
  "discussion": {
   "open_concerns": [],
   "resolved_concerns": [
    "polespinasa suggested testing the case where unknown fields are present in only one PSBT and missing from the other, which the author added.",
    "polespinasa suggested refactoring assertions into a helper function, but noted it was purely a style preference; the author preferred explicit assertions and kept them."
   ],
   "author_status": "Active; addressed review comments and pushed updates."
  },
  "reviewability": {
   "state": "Ready",
   "label": "Ready",
   "reason": "CI is passing, the diff is clean and self-contained (+130 lines in a functional test), and review feedback has been addressed."
  },
  "agreement": {
   "state": "Strong",
   "summary": "Strong: w0xlt gave Approach ACK and polespinasa gave Concept ACK with review feedback incorporated",
   "reason": "Reviewers who worked on or requested this test coverage in #35310 and #34893 reviewed and approved the approach.",
   "evidence": [
    "w0xlt commented 'Approach ACK'",
    "polespinasa commented 'Concept ACK' and suggested an additional test case that was added"
   ]
  },
  "dependencies": {
   "depends_on": [],
   "enables": []
  },
  "categories": [
   {
    "name": "rpc",
    "member": true,
    "evidence": "Tests the behavior of the `combinepsbt`, `decodepsbt`, and `createpsbt` RPC endpoints.",
    "band": "P3",
    "reason_tag": "test coverage",
    "score": 0.35,
    "factors": {
     "security_stability": 0,
     "bug_severity": 0,
     "performance": 0,
     "user_value": 1,
     "leverage": 1
    },
    "rationale": "Pins RPC behavior for `combinepsbt` unknown field merging as recommended in #34893. While it does not fix a bug or alter RPC behavior itself, it provides worthwhile regression coverage for callers using PSBT extensions."
   },
   {
    "name": "tests",
    "member": false,
    "evidence": "Tests functional behavior of an RPC rather than testing framework machinery or test runners.",
    "band": "Unranked",
    "reason_tag": "",
    "score": 0.0,
    "factors": {
     "security_stability": 0,
     "bug_severity": 0,
     "performance": 0,
     "user_value": 0,
     "leverage": 0
    },
    "rationale": "Category covers test infrastructure, fuzzing harnesses, and framework capabilities. Area-specific tests belong to that area."
   },
   {
    "name": "wallet",
    "member": false,
    "evidence": "PSBT changes and tests that affect only raw transaction RPCs without touching wallet code belong to rpc.",
    "band": "Unranked",
    "reason_tag": "",
    "score": 0.0,
    "factors": {
     "security_stability": 0,
     "bug_severity": 0,
     "performance": 0,
     "user_value": 0,
     "leverage": 0
    },
    "rationale": "The test does not interact with the wallet or wallet-managed PSBT functionality."
   }
  ],
  "confidence": "high",
  "uncertainties": [],
  "needs": [],
  "card": "This PR adds functional test coverage to verify that combinepsbt correctly preserves unknown key-value pairs across global, input, and output maps for both PSBTv0 and PSBTv2. It covers duplicate identical keys, conflicting values where the first PSBT wins, and missing keys. It completes work started in #35310 and recommended in #34893. Review state is ready with Concept ACK and Approach ACK from reviewers."
 },
 "raw_text": null
}