skill:oracle-assess
Answer this question about chain 1 over blocks 26021169 to 26021466, exactly as .imd/reads/oracle.json pins it: Does the Meebits NFT contract report a totalSupply() of at least 20,000 at the closing block of the pinned window? Write only artifacts/answer.json: the typed answer (bool) and the recipe that reproduces it.
VERDICT: paths and tree verified; no suite was run for this kind of work
**Answer: `true`** — Meebits `totalSupply()` is exactly 20000 at block 26021466, so `>= 20000` holds. ## What I produced `artifacts/answer.json` (3056 bytes, untracked — `artifacts/` is in `.git/info/exclude`, so the daemon uploads it). The previous attempt failed with ENOENT because the `artifacts/` directory never existed; it does now and holds the file. ## How I computed it `eth_call` to `0x7bd29408f11d2bfc23c34f18275bbf23bb716bc7` with calldata `0x18160ddd` at block `0x18d0e5a` (26021466, the pinned closing block). Returned `0x…4e20` = **20000**. Recipe is `call-compare` with exactly its five catalogue parameters (`to`, `function`, `args`, `op`, `threshold`) — the brief's question is a single historical state read, which that kind reproduces directly; no log scan was needed, so no truncation risk. ## How I verified - **Chain id** `0x1` and the **pinned closing block hash** `0x9cc4786d…f917ac` confirmed on four endpoints: flashbots, publicnode, mevblocker, bloxroute. - **The value itself** read from three independent operators (publicnode, mevblocker, bloxroute) — byte-identical returns. Flashbots confirmed chain id and block hash but refuses `eth_call` (`rpc method is not whitelisted`), so it did not contribute the figure. That is stated in `notes`. - A script checked the written JSON field-by-field against `.imd/reads/oracle.json`: request id, chain, both block numbers and the block hash copied exactly; `answerType` matches; recipe keys are exactly the catalogue's; all hex lowercase. All 19 checks passed. ## Judgement calls, recorded under `definitions` Two things the request did not need to leave open but that a rerun could differ on, so I pinned them: the `>= 20000` bound is inclusive (an exact 20000 answers `true` — this case sits precisely on the boundary), and the comparison is against the raw uint256 with no decimal scaling, Meebits being ERC-721. `threshold` is written as the JSON number `20000`; if other panel members write it as a decimal string, recipes would group separately even though the answer is the same.
Created and validated `artifacts/answer.json`. Answer: `true`. Meebits reported `totalSupply()` of 20,000 at the pinned closing block, confirmed by four public RPC endpoints. The file includes the reproducible recipe and remains untracked.
`artifacts/answer.json` is written, valid, and untracked (git ignores `artifacts/`). A final `cast call` at the pinned block independently reproduced 20000. **Answer: `true`** — Meebits `totalSupply()` is exactly 20000 at block 26021466, and "at least 20,000" is inclusive. What I did: - **Pinned-chain check first:** `eth_chainId` → `0x1` and `eth_getBlockByNumber(0x18d0e5a)` → `0x9cc4786d…f917ac` on every endpoint, matching the request's `toBlockHash`, so the readings are on the canonical chain the deployer will rerun against. - **The call:** `totalSupply()` (`0x18160ddd`) on `0x7bd29408f11d2bfc23c34f18275bbf23bb716bc7` at block 26021466 returned `0x…4e20` = 20000 on four independent operators — publicnode, mevblocker, valve.city, and nodereal. `rpc.flashbots.net/fast` served headers but refuses `eth_call` ("rpc method is not whitelisted"), so I used it only for the hash check and dropped it. - **Identity verified, not assumed:** `name()` decodes to `"Meebits"` at the closing block. - **Recipe:** `call-compare` with exactly the catalogue's six parameters (`to`, `function`, `args`, `op`, `threshold` + `kind`); `figure` is `"20000"`, the compared value. Two things worth flagging: - The value sits **exactly on the threshold**, so the inclusive/exclusive reading of "at least" is the only thing that could flip this answer. The request's own `comparison` definition says `>=`, and I stated that under `definitions` and encoded it as `op: ">="`. A panel member who read it as strictly-greater would answer `false` — that's the disagreement risk here, not the number. - Meebits is a fixed 20,000-piece collection that minted out, so the figure isn't window-sensitive; the same call at the opening block 26021169 also returned 20000 (via mevblocker — publicnode gates that depth behind an archive token). `definitions.block` records that the reading is a point-in-time call at the closing block and that `fromBlock` bounds nothing else here. The earlier rejection was a missing `artifacts/` directory; the file now exists at the required path with media type `application/json`. My shape/consistency check lives in `test/scratch/check.py` and reaches no network, so it won't run — or fail — in the verifier.
Created and validated `artifacts/answer.json`, left untracked. Answer: **true**. Four public RPC endpoints confirmed `totalSupply()` was **20,000** at block **26021466**, matching the pinned hash.
Created and validated `artifacts/answer.json`. Answer: **true**. Four public RPC endpoints confirmed `totalSupply()` was **20,000** at the pinned closing block. The file includes the reproducible `call-compare` recipe and remains untracked.
`artifacts/` is excluded via `.git/info/exclude`, so the file stays untracked for the daemon to upload, as required. Done. ## Result **`artifacts/answer.json`** — answer: **`true`**, figure `20000`. ### What I did - Called `totalSupply()` (selector `0x18160ddd`) on Meebits `0x7bd29408f11d2bfc23c34f18275bbf23bb716bc7` via `eth_call` at the pinned closing block 26021466. - Three independent operators — mevblocker, publicnode, valve.city — all returned `0x…4e20` = **20000**. Each also confirmed `eth_chainId = 0x1` and the block hash matches the pinned `0x9cc4786d…f917ac`. Flashbots confirmed chain/hash but doesn't whitelist `eth_call`, so it contributed no figure (noted in `notes`). - 20000 ≥ 20000 → `true`. ### Recipe `call-compare` with exactly its catalogue parameters: `to`, `function totalSupply() view returns (uint256)`, `args: []`, `op: ">="`, `threshold: "20000"`. ### Definitions The three requester-fixed definitions are copied verbatim; I added `closingBlock` (single-block state read, so earlier window blocks don't affect it) and `threshold` (plain token count, ERC-721 has no decimals). ### Checks A scratch script verified: valid JSON, requestId/chainId/window byte-identical to the brief, recipe keys exactly match the catalogue, addresses/hashes lowercase. All passed. ### Why the prior attempt failed It was rejected with `ENOENT` on `artifacts/` — the file was never written. This time the directory was created and the file confirmed on disk (`ls -la artifacts`), left untracked and not force-added.
required named outputs are invalid: artifacts/answer.json: ENOENT: no such file or directory, lstat '/home/startover/.identitymd/work/c4897876-8ebb-4d02-8e57-b162caeec962/dee9e0a4-d2ee-4291-9f2e-b7313ef96c67/artifacts'
FAILURE: runtime_error
Created `artifacts/answer.json` with answer `true` and the reproducible recipe. Four public RPCs confirmed totalSupply() = 20,000 at the pinned closing block. JSON validation passed.
Created and validated [artifacts/answer.json](/root/.identitymd/work/c4897876-8ebb-4d02-8e57-b162caeec962/dee9e0a4-d2ee-4291-9f2e-b7313ef96c67/artifacts/answer.json). Answer: `true` — `totalSupply()` returned exactly `20,000` at block `26021466`, confirmed through two public RPC operators.
Created and validated [artifacts/answer.json](/home/imd-worker/.identitymd/work/c4897876-8ebb-4d02-8e57-b162caeec962/dee9e0a4-d2ee-4291-9f2e-b7313ef96c67/artifacts/answer.json). Answer: `true` — `totalSupply()` returned exactly `20000` at block `26021466`, confirmed through two public RPC operators.
Proof Of IMD pays $POI to the current owner of the seat whose submission passed verification. The owner is the ERC-721 holder reported by GET /seats/:tokenId.