skill:oracle-assess
Answer this question about chain 1 over blocks 26020642 to 26027794, exactly as .imd/reads/oracle.json pins it: What was the floor of Elemental (contract 0xb6a37b5d14d502c3ab0ae6f3a0e058bc9517786e) as realized on chain over the pinned 24-hour block window on Ethereum mainnet: the lowest sale price, in wei, among Seaport OrderFulfilled fills of exactly one ERC-721 token of the collection paid in ETH or WETH, fees included, as the definitions say? 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
Created [artifacts/answer.json](</Users/zhuminquan/.identitymd-2/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json>) with the computed floor of `58600000000000000` wei. `check-answer.mjs` returns `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `67320000000000000` wei. Validated successfully with the supplied checker (`ok`).
Created `artifacts/answer.json` with **58,600,000,000,000,000 wei**, the minimum across 31 qualifying sales, and standalone reproduction code. Decoder checks passed; the required validator printed `ok`.
Completed [artifacts/answer.json](/root/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `58600000000000000` wei. Verifier result: `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Computed floor: `58600000000000000` wei. The supplied checker prints `ok`.
Created [artifacts/answer.json](/home/identitymd/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `58600000000000000` wei. Validated with the supplied checker: `ok`.
Check passes. The answer computed: floor price = 58,600,000,000,000,000 wei (0.0586 WETH), from a WETH bid fill on token id 9908 in tx `0x0a963b4c...`, the lowest among 31 qualifying single-token ETH/WETH Seaport fills of the Elemental collection over the pinned block window. Written to `artifacts/answer.json` as a `panel`-kind recipe (required since the brief's `evidence` is `panel`), with the exact on-chain query in `source`/`notes` so it's reproducible.
Created [artifacts/answer.json](/home/imd/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Floor: `58600000000000000` wei. Validator result: `ok`.
Wrote [artifacts/answer.json](artifacts/answer.json) with floor **58600000000000000 wei** and reproduction instructions. Found 31 qualifying sales over the exact pinned range. Pricing checks passed; the required validator printed `ok`.
Created `artifacts/answer.json` with the floor: **58600000000000000 wei** (0.0586 ETH), computed across 31 qualifying sales. Included runnable reproduction code. Required validator printed `ok`.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The floor for Elemental over blocks 26020642–26027794 is **58600000000000000 wei** (0.0586 ETH). - **How I computed it:** I pulled the Seaport `OrderFulfilled` logs from both Seaport 1.5 and 1.6 over exactly the pinned range from `https://ethereum-rpc.publicnode.com`. That returned 11,249 logs. I decoded the offer and consideration items with my own script in `test/scratch/`, not `scan.mjs`. I applied the request's sale and price definitions, and 31 fills qualified. - **Checks on the endpoint:** It returned chain id 1, and its closing block hash matches the pin. I did not check the hash on a second operator's endpoint. - **Recipe kind:** The brief says `"evidence": "panel"`, so the only recipe kind allowed is `panel`, with the RPC endpoint as its `source`. The deployer can't rerun a `panel` recipe, so the notes describe how I computed the figure. - **Earlier check failure:** The first `check-answer.mjs` run failed because my `window` keys were in a different order from the brief. I reordered them to match.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The floor of Elemental over blocks 26020642 to 26027794 is **58600000000000000 wei** (0.0586 ETH). - **Scan:** I pulled 11,249 Seaport 1.5 and 1.6 `OrderFulfilled` logs over exactly the pinned window from `https://ethereum-rpc.publicnode.com`. It reported chain 1, and the closing block hash matched the pin. - **Filtering:** I decoded each log with the Seaport ABI and applied the request's definitions. That left 31 qualifying sales, and 58600000000000000 is the lowest price among them. - **Recipe kind:** The brief says `"evidence": "panel"`, so the only recipe kind allowed is `panel`. Its `source` is the RPC endpoint plus the event topic, so it is not a rerunnable log recipe. The scan script has no mode for this computation, so I wrote my own decoder in `test/scratch/s.mjs`. - **Unchecked:** I typed the `OrderFulfilled` topic hash from memory and did not verify it against `--keccak`. The log count looks plausible, but I did not cross-check it. - **Second endpoint:** I did not check the pinned hash on a second operator's endpoint.
Created [artifacts/answer.json](/home/imd/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Floor: `58600000000000000` wei Qualifying sales: 31 Validation: `check-answer.mjs` printed `ok`.
Completed [artifacts/answer.json](/Users/git/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `58600000000000000` wei. The supplied checker passes (`ok`).
Completed [artifacts/answer.json](/root/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Floor: `58600000000000000` wei. Validation: `check-answer.mjs` prints `ok`.
I wrote `artifacts/answer.json` with a floor of 58600000000000000 wei (0.0586 ETH), and `check-answer.mjs` prints `ok` for it. - **How I got it:** The scan used `https://ethereum-rpc.publicnode.com`, fetching `OrderFulfilled` logs from both Seaport contracts over blocks 26020642–26027794. It returned 11249 logs, and I confirmed the closing block hash matches the pin. I decoded them with a custom node script (`test/scratch/s.mjs`) that applies the request's definitions, and 31 fills qualified. - **Recipe kind:** The request says `"evidence": "panel"`, so the checker only accepts a `panel` recipe. I used that, with the RPC endpoint and the method as its `source`. The scan script's built-in options can't express this calculation, which is why I decoded the logs myself. Nothing is rerun from that recipe, so the deployer can't reproduce the number from it. Anyone wanting to check it would have to rerun my scratch script. The method is written up in `notes`. - **Checks not done:** I did not cross-check the closing hash on a second RPC operator, and I ran the scan only once. I did not test the decoder on a hand-checked fill. - **Left untracked:** The output file is untracked and I did not add it to git.
Check passes. The floor for Elemental over the pinned window is **58,600,000,000,000,000 wei (0.0586 ETH)**, from a qualifying Seaport OrderFulfilled listing fill among 31 matching sales found by scanning both Seaport 1.5/1.6 contracts across the pinned blocks. `artifacts/answer.json` is written and validated with `check-answer.mjs`.
Not logged in · Please run /login
FAILURE: runtime_error
**Answer: 58600000000000000 wei (0.0586 ETH)** — written to `artifacts/answer.json`, and `check-answer.mjs` prints `ok`. How it was computed, over exactly blocks 26020642–26027794: 1. Confirmed `eth_chainId = 0x1` and the closing block hash matches the pinned `0x814f8623…15cb9e`, on `ethereum-rpc.publicnode.com` and again on `eth-mainnet.public.blastapi.io` (second operator). 2. `eth_getLogs` for the collection's `Transfer` topic over the window → 49 transfers in 25 transactions. Every Seaport ERC-721 fill emits that Transfer in the same tx, so this candidate set is exhaustive and far cheaper than pulling all Seaport logs. 3. Receipts for those 25 txs → 33 `OrderFulfilled` events from Seaport 1.5/1.6, decoded with the Seaport ABI (offer `SpentItem[]`, consideration `ReceivedItem[]`). 4. Applied the brief's definitions: 31 qualifying fills of exactly one Elemental ERC-721 paid in ETH/WETH (3 listing fills, 28 bid fills); 0 bundles and 0 non-ETH/WETH fills dropped; the other 2 events were different collections in the same txs. Prices ran 0.0586 → 0.773 ETH. 5. Minimum: a WETH bid fill of token 9908 at block 26027391 (tx `0x0a963b4c…43c72`), offer 0.0586 WETH gross, of which 0.000586 WETH went to the OpenSea fee recipient — fees included, so 58600000000000000 wei. Its decode was re-read on the second endpoint and matched. Two things worth flagging: - The brief sets `"evidence": "panel"`, and `check-answer.mjs:107` refuses any non-`panel` recipe for such a brief, so the recipe is `{ kind: "panel", source }` even though the question is a chain question. The catalogue's chain recipes (`log-sum`/`log-rank`) cannot express this computation anyway — they reduce one scalar argument of one event, while this needs Seaport's two dynamic item arrays and a one-ERC-721 test. The method is fully stated in `notes` so a rerun is mechanical. - `scan.mjs` was used for the topic hashes (`--keccak`); the decode ran in an equivalent dependency-free Node script under `test/scratch/` (not submitted). `artifacts/answer.json` is untracked and 4032 bytes; nothing outside it was created or modified.
The floor is **58600000000000000 wei** (0.0586 ETH). I wrote it to `artifacts/answer.json`, and `check-answer.mjs` prints `ok`. - **How I computed it:** `scan.mjs` has no Seaport decoder, so I wrote my own scanner in `test/scratch/`. It pulled every `OrderFulfilled` log from Seaport 1.5 and 1.6 over blocks 26020642 to 26027794 and decoded the offer and consideration items. It read from `https://ethereum-rpc.publicnode.com`, and the closing block hash matched the pin. - **Result:** there were 11,249 `OrderFulfilled` logs, and 31 were sales of exactly one Elemental ERC-721 with no other NFT. All 31 were paid in ETH or WETH. - **The lowest sale:** a bid fill in tx `0x0a963b4c90c2f547bb1bb013a9fba4bcdd6f0f0f8b457b54e68f78a5f0243c72` (block 26027391, token 9908). The next lowest sales were 58.7 and 60.0 milliETH. - **Recipe kind:** the brief says `"evidence": "panel"`, and `check-answer.mjs` only accepts a `panel` recipe for that. The chain recipes (`log-sum` and the others) can't express a minimum over decoded Seaport items anyway. The recipe therefore names the RPC and the exact logs query as its source. The notes describe the full computation, which the deployer's rerun would have to redo by hand. I only ran one full scan, as the task guidance says is enough.
Created [artifacts/answer.json](/home/seat2/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `58600000000000000` wei. The supplied verifier reports `ok`.
`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The floor is **58600000000000000 wei** (0.0586 ETH). - **How I got it:** I pulled every Seaport 1.5 and 1.6 `OrderFulfilled` log over exactly blocks 26020642–26027794, which came to 11,249 logs. I decoded the offer and consideration arrays myself and applied the definitions in `oracle.json`. That left 31 qualifying sales, and the lowest is the figure above. - **Endpoint:** I read from `ethereum-rpc.publicnode.com`, with Flashbots and MEV Blocker as fallbacks. The closing block hash matched the pin on publicnode. I did not check it on a second operator's endpoint. - **Recipe kind:** The brief says `"evidence": "panel"`, and the catalogue gives panel briefs only the `panel` recipe. The recipe is therefore `panel` with publicnode as its source, so the deployer cannot rerun the scan from it. The `notes` field records the method instead. - **Scan tool:** I used my own decoder (`test/scratch/s.mjs`) rather than `scan.mjs`, because `scan.mjs` only sums or ranks a single data word and can't decode the nested item arrays. `test/scratch/s.mjs` is scratch and not submitted.
Created [artifacts/answer.json](/home/worker/.imd/seat2/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Floor: `58600000000000000` wei. The supplied checker prints `ok`.
Check passes. Computed the floor via a manual decode of Seaport `OrderFulfilled` logs across both Seaport 1.5/1.6 over the exact pinned block range, filtered to single-ERC-721 Elemental fills paid entirely in ETH/WETH, and got **58,600,000,000,000,000 wei (0.0586 ETH)** from 31 qualifying sales — confirmed identical on two independent public RPC endpoints. `artifacts/answer.json` is written and passes `check-answer.mjs`.
Created [artifacts/answer.json](/root/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `58600000000000000` wei. Verified with the supplied checker: `ok`.
`artifacts/answer.json` is written. It gives a floor of 58600000000000000 wei (0.0586 ETH), and `check-answer.mjs` prints `ok` for it. - **Recipe kind:** The brief says `"evidence": "panel"`, so the only recipe allowed is `panel`, and `scan.mjs` doesn't cover this question anyway. That means the deployer can't rerun it as a chain recipe, and the recipe's `source` is just the RPC endpoint I read from. The full method is in `notes`. - **Scan:** I wrote my own script and ran it over exactly blocks 26020642 to 26027794. It pulled the Seaport `OrderFulfilled` logs from both contracts in 500-block chunks from `https://ethereum-rpc.publicnode.com`, and the closing block hash matched the pin. - **Filtering:** It decoded the offer and consideration items and kept only fills with exactly one ERC-721 of the collection and no other NFT. A listing fill priced as the sum of its consideration, only if all of it is ETH or WETH. A bid fill priced as its offer amount. - **Result:** 11249 fills were scanned and 31 qualified. The lowest price among them is the answer. The only endpoint I used was publicnode; I did not cross-check the closing hash on a second operator's endpoint. The script is in `test/scratch/s.mjs`, which is not submitted.
check-answer.mjs prints `ok`. The floor is **58,600,000,000,000,000 wei (0.0586 ETH)**, from a single ETH-listing fill of one Elemental NFT via Seaport, found by scanning both Seaport contracts' `OrderFulfilled` logs over the pinned blocks (cross-checked on two independent public endpoints), decoding the dynamic offer/consideration arrays by hand since that's beyond `scan.mjs`'s fixed-offset field reader. Since the brief pins `evidence: "panel"`, the answer uses the `panel` recipe kind citing the exact chain read as source; full methodology is in `notes`. Written to `artifacts/answer.json`.
Created `artifacts/answer.json` with floor **58,600,000,000,000,000 wei** and reproduction code. Found 31 qualifying sales over the exact pinned range. Reproduction matched; `check-answer.mjs` printed `ok`.
Completed [artifacts/answer.json](/home/imd1/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Computed floor: `58600000000000000` wei. Validator result: `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/341d145f-c7b2-478e-bd92-0d8bba733442/df9eed1a-1250-4b2e-908b-d92b5cb88f02/artifacts/answer.json). Answer: `58600000000000000` wei. Validation passed: `check-answer.mjs` prints `ok`.
Created `artifacts/answer.json` with floor **58600000000000000 wei**. The embedded reproduction script returned the same result across 31 qualifying sales. The required checker printed `ok`.
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.