{
 "number": 36047,
 "input_hash": "06dc27db3b4e8dc2",
 "model": "openrouter/google/gemini-3.8-flash",
 "batch": false,
 "created": "2026-09-17T21:46:52+00:00",
 "provider": "Google",
 "stop_reason": "end_turn",
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 "result": {
  "display": {
   "goal": [
    "Return a clean shutdown error instead of an internal nonfatal assertion failure when mining RPCs run during node shutdown"
   ],
   "reviewability": [
    "Ready to review",
    "No blockers or open reviewer requests"
   ],
   "agreement": [
    "No reviews or feedback yet (crickets)"
   ],
   "categories": [
    {
     "name": "mining",
     "why": [
      "P3 because it fixes an expected shutdown race in getblocktemplate and block generation RPCs that was incorrectly triggering nonfatal assertion failures.",
      "It prevents spurious internal error reports during normal shutdown for mining software using longpoll getblocktemplate."
     ]
    },
    {
     "name": "rpc",
     "why": [
      "P3 because it ensures mining RPCs return the standard RPC_CLIENT_NOT_CONNECTED shutdown error code instead of an internal error when called as the node stops."
     ]
    }
   ]
  },
  "summary": "Fixes mining RPC handling when createNewBlock() returns nullptr on node shutdown. Instead of failing a CHECK_NONFATAL assertion and reporting an internal bug, getblocktemplate and generateblock throw a standard RPC_CLIENT_NOT_CONNECTED (\"Shutting down\") error, and generateBlocks stops mining cleanly.",
  "problem": "When getblocktemplate or generateblock is executed or waiting on longpoll during node shutdown, createNewBlock() returns nullptr. Previously, CHECK_NONFATAL treated this benign shutdown condition as an internal bug.",
  "discussion": {
   "open_concerns": [],
   "resolved_concerns": [],
   "author_status": "silent since submission"
  },
  "reviewability": {
   "state": "Ready",
   "label": "Ready",
   "reason": "The PR has green CI, no conflicts, clean diff with functional test coverage, and no open reviewer requests."
  },
  "agreement": {
   "participants": [],
   "objections": [],
   "support": [],
   "state": "Crickets",
   "summary": "No feedback yet from reviewers",
   "reason": "The PR has received no comments or reviews since being opened.",
   "evidence": [],
   "model_state": "Crickets",
   "derivation": "no substantive comment either way",
   "corrections": [],
   "thread_read": {
    "state": "Crickets",
    "derived": "Crickets",
    "objections": [],
    "support": [],
    "participants": [],
    "corrections": [],
    "summary": "Crickets: no reviews or substantive comments yet",
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   "first_read": {
    "state": "Crickets",
    "model_state": "Crickets",
    "objections": [],
    "support": []
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  },
  "dependencies": {
   "depends_on": [],
   "enables": []
  },
  "categories": [
   {
    "name": "mining",
    "member": true,
    "evidence": "Modifies getblocktemplate, generateblock, and generateBlocks in src/rpc/mining.cpp and updates mining longpoll functional tests.",
    "band": "P3",
    "reason_tag": "bug fix",
    "score": 0.35,
    "factors": {
     "security_stability": 1,
     "bug_severity": 1,
     "performance": 0,
     "user_value": 1,
     "leverage": 0
    },
    "rationale": "P3 because it fixes a shutdown race in mining RPCs without affecting block validity or template construction logic. Issue #34262 reported assertion failures in getblocktemplate during shutdown; treating nullptr gracefully as an expected shutdown condition avoids false-positive internal error alerts."
   },
   {
    "name": "rpc",
    "member": true,
    "evidence": "Changes RPC exception handling and response codes for getblocktemplate and generateblock in src/rpc/mining.cpp.",
    "band": "P3",
    "reason_tag": "bug fix",
    "score": 0.35,
    "factors": {
     "security_stability": 1,
     "bug_severity": 1,
     "performance": 0,
     "user_value": 1,
     "leverage": 0
    },
    "rationale": "P3 because it aligns error reporting across RPC methods during shutdown with the standard RPC_CLIENT_NOT_CONNECTED error."
   }
  ],
  "confidence": "high",
  "uncertainties": [],
  "needs": [],
  "card": "This PR handles createNewBlock() returning nullptr during shutdown in getblocktemplate, generateblock, and generateBlocks, replacing a CHECK_NONFATAL assertion with a standard 'Shutting down' RPC error. This resolves issue #34262 where miners using longpolling hit spurious 'Internal bug detected' errors when stopping bitcoind. The PR includes functional test coverage for getblocktemplate longpoll shutdown behavior. It is currently unreviewed."
 },
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