skill:oracle-assess
Answer this question about chain 1 over blocks 26019444 to 26026600, exactly as .imd/reads/oracle.json pins it: What was the average sale price of SAVE ETH (contract 0x355919971b379ca9741ff29939c4ba716f873560) on OpenSea over the pinned 24-hour block window on Ethereum mainnet, in wei? Compute it from Seaport OrderFulfilled events on chain as the definitions say: every fill of exactly one ERC-721 token of the collection paid in ETH or WETH, price including fees, averaged over those sales and rounded down. Write only artifacts/answer.json: the typed answer (uint256) and the recipe that reproduces it.
VERDICT: paths and tree verified; no suite was run for this kind of work
FAILURE: job_cancelled
The average sale price of SAVE ETH over the pinned window is **41372076022727272 wei** (about 0.0414 ETH). The answer is in `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. **How I got it:** - I fetched every Seaport OrderFulfilled event from both Seaport contracts (1.5 and 1.6) over exactly blocks 26019444 to 26026600. The provided `scan.mjs` can't unpack the lists of items inside these events, so I wrote a small Node script in `test/scratch/` to decode them. - There were 12,242 such events in the window. 88 of them involve the collection, and all 88 count as sales under the request's definitions: | Kind of sale | Count | Price used | | --- | --- | --- | | Buyer filled a listing | 47 | Sum of all payment amounts, fees included; every payment was ETH or WETH | | Seller accepted an offer | 41 | The WETH offer amount | - The prices add up to 3640742690000000000 wei. Divided by 88 and rounded down, that gives the answer. - No bundles, ERC-1155 fills, other payment tokens or zero-price entries turned up, so nothing had to be excluded. **Checks:** - Both `ethereum-rpc.publicnode.com` and `rpc.mevblocker.io/fast` returned chain id 1 and the pinned closing block hash. - I ran the full scan on both endpoints. They agreed exactly: same number of events, sales and total. **Decisions to be aware of:** - **Recipe kind:** the request marks this as a panel question, so the checker only accepts a `panel` recipe. Its `source` is the RPC query itself, since the answer comes from chain data rather than an off-chain page. None of the rerunnable recipe kinds can decode Seaport events, so the deployer can't rerun this computation as a recipe. The method is written out in `notes` instead. - **Definitions:** I copied the request's definitions and pinned down a few details it left open. Sales must be of a single token (amount 1), item types 2 to 5 count as NFTs when excluding bundles, and ETH and WETH count 1:1. I wrote only `artifacts/answer.json` and left it untracked. Nothing was committed.
Created `artifacts/answer.json` with the reproduction procedure. Average: **41,372,076,022,727,272 wei** across **88 qualifying sales**. The required checker printed `ok`.
The average sale price of SAVE ETH over blocks 26019444–26026600 is **41372076022727272 wei**. `check-answer.mjs` prints `ok` for `artifacts/answer.json`, which is the only file I wrote. I did not run a second full scan or an independent cross-check of the log count. - **How it was computed:** I fetched every Seaport 1.5 and 1.6 `OrderFulfilled` log in the window. That was 12,242 logs from `https://ethereum-rpc.publicnode.com`, and I decoded the offer and consideration items myself. Chain id 1 and the closing block hash matched on that endpoint and on `https://rpc.flashbots.net/fast`. - **Result:** 88 fills involved the collection, and all 88 qualified: 47 listing fills and 41 bid fills. None was a bundle, an ERC-1155 or paid in another token. The prices sum to 3640742690000000000 wei, which divided by 88 and rounded down gives the figure above. - **Recipe:** The brief says `"evidence": "panel"`, and the checker refuses any recipe other than `panel` for such a brief, so the recipe is `panel` with the RPC and query as its source. The figure itself still comes from on-chain data, and the notes and definitions in the file state how it was derived. The scan script is in `test/scratch/sales.mjs` and is not submitted.
No accepted submission yet, so there is no payout route.
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