> FETCHING JOB RECORD
skill:oracle-assess
Answer this question about chain 1 over blocks 26021170 to 26021467, exactly as .imd/reads/oracle.json pins it: Does the Art Blocks (original contract) NFT contract report a totalSupply() of at least 11,000 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
Created and validated `artifacts/answer.json`. Answer: **true**. The closing-block total supply was **11,012**, confirmed by two independent public RPC operators against the pinned block hash.
Done. `artifacts/answer.json` is written (valid JSON, untracked, not committed). **Answer: `true`** — `totalSupply()` on the Art Blocks contract `0x059edd72cd353df5106d2b9cc5ab83a52287ac3a` at closing block 26021467 returns **11012**, which is ≥ 11000. How it was checked: - Recipe: `call-compare` with `function totalSupply() view returns (uint256)`, no args, `op: ">="`, `threshold: "11000"`, exactly the catalogue's parameters. - Read via `eth_call` at block tag `0x18d0e5b` from four independent operators (mevblocker, valve.city, nodereal, bloxroute); all returned `0x…2b04` = 11012. Each endpoint was verified first for `eth_chainId` = `0x1` and for the block hash at 26021467 matching the pinned `0xedab45…4f77`. - Two endpoints in the row (publicnode, flashbots) refused the historical `eth_call` — noted in `notes`, and they still agreed on the chain id and closing hash. - The `definitions` block copies the three the request pinned and adds one clarifying that only the closing block matters for a single-block view call. One thing worth mentioning: my first probe used a mis-converted hex block number (26020379 instead of 26021467); I caught it via the hash mismatch and reran against the correct block before writing anything.
`artifacts/answer.json` is written: `answer: true` (totalSupply = 11012 ≥ 11000), computed via `call-compare` on `totalSupply()` at block 26021467, cross-checked against two independent public RPC operators (mevblocker.io, blxrbdn.com) with matching block hash confirmation.
Created `artifacts/answer.json` with answer `true`: total supply was **11,012** at block **26,021,467**. Verified against three public RPC endpoints. JSON and pinned request checks passed.
**Answer: `true`** — Art Blocks (original) `totalSupply()` is **11012** at block 26021467, which is ≥ 11,000. **Deliverable:** `artifacts/answer.json` (untracked, as required; `git status` is clean, so nothing was force-added). **How it was computed** - Recipe: `call-compare` with `to: 0x059edd72cd353df5106d2b9cc5ab83a52287ac3a`, `function: function totalSupply() view returns (uint256)`, `args: []`, `op: ">="`, `threshold: 11000` — exactly the catalogue's parameters for that kind, nothing else. - Guards first: `eth_chainId == 1` and `eth_getBlockByNumber(26021467).hash == 0xedab…4f77` (the pinned hash) confirmed on flashbots and mevblocker before any call. - The value 11012 was read by `eth_call` pinned to block 26021467 from **four endpoints across four operators** — mevblocker, valve.city, nodereal, blxrbdn — all agreeing. - Endpoints that did not count: `rpc.flashbots.net/fast` refuses `eth_call` ("rpc method is not whitelisted"), and `ethereum-rpc.publicnode.com` returned a Cloudflare error body instead of JSON-RPC. - Sanity checks: the contract reports `name() = "Art Blocks"`, `symbol() = "BLOCKS"`, and `totalSupply()` at the opening block 26021170 is also 11012, so supply is flat across the pinned window and the result does not hinge on read position. **Checks run:** a scratch script in `test/scratch/` re-parsed the artifact and verified requestId, chainId, the full window object and answerType are byte-identical to `.imd/reads/oracle.json`; that `answer` is a real boolean consistent with `figure >= threshold`; that the recipe carries exactly the six `call-compare` keys; and that addresses/hashes are lowercase. All passed. **Deliberately not done:** no scan or logs work — the question is a single state read, so no `eth_getLogs` ranging was needed. I did not add an `endpoints` field to the artifact (kept to the documented member-answer shape); the endpoints are named in `notes` instead. One caveat stated in `notes`: at run time the closing block was only 117 behind head, so non-archive nodes could serve it; a deployer rerunning later will need an archive node for that state.
Created and validated [artifacts/answer.json](/root/.identitymd/work/d20fb306-96a1-493a-9d58-4f9738a7ff2f/87d6c20c-eae3-4838-ba7c-6f5762b4839d/artifacts/answer.json). Answer: `true` — closing-block `totalSupply()` was `11,012`.
Created and validated [artifacts/answer.json](/home/imd-worker/.identitymd/work/d20fb306-96a1-493a-9d58-4f9738a7ff2f/87d6c20c-eae3-4838-ba7c-6f5762b4839d/artifacts/answer.json). Result: `true` — `totalSupply()` returned `11,012` at block `26021467`.
`artifacts/answer.json` is written and parses as valid JSON. The answer is **true**: at block 26021467, `totalSupply()` on the Art Blocks contract (`0x059edd72cd353df5106d2b9cc5ab83a52287ac3a`) returned 11012, which is at least 11,000. - **Cross-check:** three independent operators returned the same value, `0x2b04` (11012). They were `ethereum-rpc.publicnode.com`, `rpc.mevblocker.io/fast` and `one.valve.city`. All three reported chain id 1 and the pinned closing hash for block 26021467. - **Fourth endpoint:** `rpc.flashbots.net/fast` matched chain id and block hash but rejects `eth_call`, so I didn't use it for the value. - **Recipe:** it is a `call-compare` on `totalSupply()` with `>=` against 11000. `figure` is "11012", and `definitions` and `notes` name the endpoints used. - **Git:** the file is untracked and I didn't touch anything else.
Created `artifacts/answer.json` with answer `true`: closing-block total supply was **11,012**, verified against three public RPC endpoints. JSON and recipe validation passed.
Done. `artifacts/answer.json` is written (untracked, as required) and nothing else was created or modified. **Answer: `true`** — Art Blocks (`0x059edd72cd353df5106d2b9cc5ab83a52287ac3a`) reports `totalSupply() = 11012` at block 26021467, which is ≥ 11,000. How it was computed and checked: - Every endpoint was verified first with `eth_chainId` (`0x1`) and `eth_getBlockByNumber(0x18d0e5b)`; all four returned the pinned closing hash `0xedab4514…d4f77`. - `eth_call` of `0x18160ddd` at `0x18d0e5b` returned `0x…2b04` = **11012**, identical on three independent operators (mevblocker, publicnode, valve.city). Flashbots confirmed chain id and block hash but refuses `eth_call` ("rpc method is not whitelisted"), so it wasn't counted toward the figure. - Contract identity cross-checked at the same block: `name()` = "Art Blocks", `symbol()` = "BLOCKS". - Supply at the opening block 26021170 is also 11012, so no mints landed inside the window and the answer doesn't depend on where in the window it's read. Recipe is `call-compare` with exactly its catalogue parameters (`to`, `function`, `args`, `op`, `threshold`), `figure` is `"11012"`, and the window/requestId/chainId are byte-copies of `.imd/reads/oracle.json`. A local validation script (in `test/scratch/`-equivalent, run inline) confirmed the shape, lowercase hex, and internal consistency — all 15 checks pass.
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.