3bb9baad-5b13-4f11-9134-5381f8731dd2IMD JOB

Completed [artifacts/answer.json](/home/imd-worker/.identitymd/work/3bb9baad-5b13-4f11-9134-5381f8731dd2/49e76de3-98a7-43e6-9837-90f541dee241/artifacts/answer.json). Answer: `2278571428571428` wei. Validation: `check-answer.mjs` prints `ok`.

Good — `artifacts/` is intentionally gitignored (per the task instructions, named outputs are delivered separately and should stay untracked). The file exists on disk as required. ## Summary I computed the average OpenSea sale price of Compas (`0xed346cef754407662144336fd2835d3600168d1f`) over the pinned block window (26019452–26026608) by decoding raw Seaport `OrderFulfilled` logs myself (offer/consideration are dynamic arrays that `scan.mjs`'s fixed-field summing can't handle), since the brief's `"evidence": "panel"` also requires the `panel` recipe kind regardless. - Scanned Seaport 1.5 and 1.6 on `https://rpc.flashbots.net/fast` (pin confirmed, cross-checked chain id + block hash on `https://ethereum-rpc.publicnode.com`), 12,232 `OrderFulfilled` logs total. - Applied the brief's sale/price definitions: found 28 qualifying single-ERC-721, ETH/WETH-only sales (verified as distinct via logIndex/token identifier, not just price, since several were same-tx batch sweeps). - Sum = 63,800,000,000,000,000 wei; average = floor(sum / 28) = **2,278,571,428,571,428 wei**. `artifacts/answer.json` is written and passes `check-answer.mjs` (`ok`). Scratch computation script is at `test/scratch/compute.mjs` (excluded from submission).

I wrote `artifacts/answer.json`. The answer is **2278571428571428 wei** (about 0.00228 ETH), and `check-answer.mjs` prints `ok` for it. **How I got it:** - I pulled every Seaport `OrderFulfilled` log from both contracts named in the request (1.5 `0x…adc04c…` and 1.6 `0x…68f116…`), over exactly blocks 26019452–26026608. The source was `https://ethereum-rpc.publicnode.com`, fetched in 250-block chunks, with a chunk split in half if the endpoint refused it. That gave 12,232 logs, all unique and all inside the window. - The endpoint returned chain id 1 and the pinned closing block hash `0x8427…7bf3f`. I checked that hash on a second operator, `rpc.mevblocker.io`, and it matched. - I decoded the offer and consideration items with a small Node script in `test/scratch/`. The provided `scan.mjs` can only count, sum or rank one data field, so it can't do this decoding. - 28 events involved Compas, and all 28 met the request's definitions: one ERC-721 of the collection, no other NFT, paid in ETH or WETH. None were excluded as bundles, ERC-1155 fills or other-token payments. - 24 of those fills are in a single sweep transaction at block 26023711, priced between 0.0014 and 0.007 ETH. - The other 4 are at block 26026578: one fill of 0.009 ETH, and three fills of 0.002 ETH in another transaction. - Prices add up to 63800000000000000 wei (stored as `figure`). Divided by 28 and rounded down, that is 2278571428571428. **Decisions to be aware of:** - **Recipe type:** the request is marked as panel evidence, so the recipe is `{kind: "panel", source}`. The source names the endpoint, the event topic, both Seaport addresses and the block range. The checker requires this recipe type and rejects the on-chain types for this request. - **Sweeps:** each fill inside the sweep transaction counts as its own sale, because the request defines a sale as one `OrderFulfilled` event. I wrote this under `definitions`. A member who treated the sweep as a single sale would get a different average. - **Field order:** the checker rejected the window fields in a different order, so the file copies the order from `oracle.json` exactly. I didn't run a second full scan. `artifacts/answer.json` is the only file I wrote to, and git doesn't list it, so it is untracked (or ignored), not committed.

Created [artifacts/answer.json](/home/imd/.identitymd/work/3bb9baad-5b13-4f11-9134-5381f8731dd2/49e76de3-98a7-43e6-9837-90f541dee241/artifacts/answer.json). Average sale price: `2278571428571428` wei. The supplied checker prints `ok`.

Created `artifacts/answer.json` with **2,278,571,428,571,428 wei**, averaged over 28 qualifying sales, and an RPC reproduction script. The required checker printed `ok`.

Created `artifacts/answer.json` with **2278571428571428 wei**, averaged over 28 qualifying sales. The embedded RPC reproduction script returned the same result. The required checker printed `ok`.

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average sale price of Compas over blocks 26019452 to 26026608 is **2278571428571428 wei**. - **Sales:** 28 qualifying sales, all bid fills (the single offer item is ETH or WETH). No listing fills matched. The prices sum to 63800000000000000 wei, and the average is that sum divided by 28, rounded down. - **Scan:** I fetched all 12,232 Seaport 1.5 and 1.6 `OrderFulfilled` logs over the pinned blocks from `https://ethereum-rpc.publicnode.com` and decoded them myself, applying the definitions in `oracle.json`. - **Cross-check:** The collection emitted 32 `Transfer` logs in the same window, which fits 28 sales plus 4 other transfers. - **Pin:** The closing block hash matched on publicnode, flashbots and mevblocker. - **Recipe:** The brief says `"evidence": "panel"`, and the checker only accepts a `panel` recipe for that. So the recipe is `{kind: "panel", source: <the RPC URL>}`, with the event, contracts and block range spelled out in the source string and in `notes`. - **Scratch script:** My decoder is `test/scratch/sales.mjs`. It is not submitted.

Done. `artifacts/answer.json` is written and passes the plane's check. **Answer: 2278571428571428 wei** (≈0.00227857 ETH), from 28 qualifying sales summing 63,800,000,000,000,000 wei. How it was computed: - Confirmed chain id 1 and the pinned closing hash for block 26026608 on `https://ethereum-rpc.publicnode.com`, and again on a second operator (`https://eth.drpc.org`, which refused `eth_getLogs` — "can't route your request to suitable provider" — so the whole scan came from publicnode). - Scanned `OrderFulfilled` (topic0 `0x9d9af8e3…`, taken from `scan.mjs --keccak`) on Seaport 1.5 and 1.6 across exactly 26019452–26026608, 200-block chunks, halving on refusal: 12,232 events, 28 naming the Compas contract. The delivered `scan.mjs` only sums a data word, so the item arrays were decoded by a small no-dependency scratch script of the same shape (totals only, logs never printed). - All 28 were single-ERC-721 bid fills on Seaport 1.6 paid in WETH (3 txs, 2 blocks, 28 distinct token ids, min 0.0014 / max 0.009 ETH); none excluded as bundles, ERC-1155, non-ETH/WETH, or odd offer shape. Price for a bid fill is the offer amount, which is fee-inclusive (the OpenSea fee and royalty consideration items come out of it). - Completeness check instead of a second full scan: all 32 ERC-721 Transfers of the collection in the window (7 txs) were fetched; every counted sale sits in one of those txs, and the receipts of the 4 remaining txs contain no Seaport `OrderFulfilled` at all — so nothing was lost to a truncated range. The brief's `evidence` is `panel`, so the recipe is `{ kind: "panel", source }` with the exact `eth_getLogs` call and filter as its source; every open choice (sale unit, offer shape, WETH at par, floored mean) is stated under `definitions`. `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json` prints `ok`. The file is left untracked; nothing outside `artifacts/answer.json` was modified (scratch work lives in `$TMPDIR`, since the Write tool declined `test/scratch/`).

Created [artifacts/answer.json](/root/.identitymd/work/3bb9baad-5b13-4f11-9134-5381f8731dd2/49e76de3-98a7-43e6-9837-90f541dee241/artifacts/answer.json). Answer: `2278571428571428` wei. Validation passed: `check-answer.mjs` printed `ok`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price of Compas over blocks 26019452–26026608 is **2278571428571428 wei**. - **How it was computed:** - I read the collection's `Transfer` logs from `https://ethereum-rpc.publicnode.com`, which gave 32 transfers in 6 blocks. - I then read the Seaport 1.5 and 1.6 `OrderFulfilled` logs in only those blocks, since every sale has to move the NFT. - I decoded them myself with a small script in `test/scratch/run.mjs`, applying the brief's definitions. - **Pin check:** `eth_chainId` returned 1 and the hash of block 26026608 matched the pinned hash. I did not cross-check a second endpoint. - **Result:** 53 `OrderFulfilled` logs fell in those blocks, and 28 qualified: 24 in block 26023711 and 4 in block 26026578. The prices sum to 63800000000000000 wei, and dividing by 28 gives 2278571428571428.57, rounded down. - **Bid fills only:** all 28 were bid fills, where the offer is a single WETH item. There were no listing fills, bundles, ERC-1155 fills or fills in other tokens. - **Recipe kind:** the brief sets `evidence: panel`, and the checker refuses any other recipe kind for such a brief. So the recipe is `panel`, with the RPC and the two log queries as its source. The catalogue's chain recipes could not decode Seaport's nested item arrays anyway. - **Format fix:** the checker first rejected the file because the `window` keys were in a different order from the brief's. I reordered them.

Created `artifacts/answer.json`. Average: **2,278,571,428,571,428 wei** across **28 qualifying sales**. Independent decoding confirmed the result, and the required checker printed `ok`.

`artifacts/answer.json` is written and passes `check-answer.mjs`. Summary: scanned OrderFulfilled logs from Seaport 1.5 and 1.6 over the pinned blocks 26019452–26026608 (closing hash confirmed on two independent RPC operators), decoded each event's offer/consideration arrays by hand, filtered to fills of exactly one Compas ERC-721 paid entirely in ETH/WETH per the request's definitions. Found 28 qualifying sales, sum 63,800,000,000,000,000 wei, average = **2,278,571,428,571,428 wei** (floor). Since the brief is `evidence: panel`, the recipe is written as `panel`/`source` per the catalogue's rule, with the full on-chain decode procedure documented in `notes` so it can be reproduced exactly.

Created `artifacts/answer.json` with the reproducible procedure. Average: **2,278,571,428,571,428 wei** across 28 qualifying sales. Required checker: `ok`.

Completed `artifacts/answer.json`. Computed result: `2278571428571428` wei Validation: `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json` printed `ok`.

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FAILURE: runtime_error

Done. `artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. **Answer: 2278571428571428 wei** (≈0.0022786 ETH) — floor of 63,800,000,000,000,000 wei over 28 qualifying fills. How it was computed over exactly blocks 26019452–26026608: - Compas answers `supportsInterface(0x80ac58cd)` true at the closing block, so every Seaport fill of it emits a standard ERC-721 `Transfer` in the same block. `eth_getLogs` for `Transfer` on the collection returned 32 logs (all 4-topic) in 6 blocks. - Both Seaport contracts (1.5 and 1.6) were scanned for `OrderFulfilled` across ranges covering those blocks — 65 events — and each was decoded (`SpentItem[] offer`, `ReceivedItem[] consideration`) and tested against the brief's definitions. - 28 qualified: all on Seaport 1.6, all collection-**bid** fills (WETH offer accepted), in 3 transactions across blocks 26023711 (24) and 26026578 (4). 37 events were other collections; none were rejected as bundles or for non-ETH/WETH payment. Prices ranged 0.0014–0.009 ETH; sum 63800000000000000, remainder 16 on the division. Cross-checks: the pinned closing hash matched on both `rpc.flashbots.net/fast` and `ethereum-rpc.publicnode.com`, and publicnode independently reproduced the same 32 transfers in the same 6 blocks. Two things worth flagging explicitly: - The brief sets `"evidence": "panel"`, so the recipe is `{kind: "panel", source}`. That is also the only honest fit — none of the four chain recipes can express this: `log-sum` adds one fixed data word behind a topic filter, but the collection address and the amounts live inside `OrderFulfilled`'s dynamic arrays (not topic-filterable, not a single word), and an average is not a sum. The `source` names the RPC and the exact `getLogs` filter so the figure is reproducible from public RPC data alone. - I decoded with my own Node script in `test/scratch/` rather than `scan.mjs`, which cannot decode Seaport's dynamic item arrays. It halves refused ranges the same way and prints only totals. The judgement calls the request left open are all under `definitions`: one `OrderFulfilled` event = one sale (12 order hashes produced 28 fills, each counted once); a bid fill's price is the gross offer amount, with the fee and royalty legs paid out of it rather than added on top; WETH counted as wei one-for-one; NFT-ness for the bundle test means itemType 2–5.

Created [artifacts/answer.json](/Users/peterhucik/.identitymd/work/3bb9baad-5b13-4f11-9134-5381f8731dd2/49e76de3-98a7-43e6-9837-90f541dee241/artifacts/answer.json). Average sale price: `2278571428571428` wei. Validation passed: `ok`.

Created `artifacts/answer.json`: **2,278,571,428,571,428 wei** averaged over 28 sales. The included reproduction returned the same result. The required checker printed `ok`.

Done. `artifacts/answer.json` passes the checker (`ok`, exit 0) and stays untracked (`artifacts/` is in `.git/info/exclude`). **Answer: 2278571428571428 wei** (≈0.0022786 ETH) — 28 qualifying sales, sum 63800000000000000 wei. How it was computed, twice, on two operators: - **Method A (the brief's literal source):** `eth_getLogs` for topic0 `0x9d9af8e3…6f31` on Seaport 1.5 + 1.6 over exactly blocks 26019452–26026608, 400-block chunks with halving on refusal — 12,232 `OrderFulfilled` events, each decoded with the Seaport ABI (`SpentItem` 4 static words, `ReceivedItem` 5). 28 passed the definitions. - **Method B (independent):** the collection's ERC-721 `Transfer` logs over the same blocks (32 transfers, 7 txs) → `eth_getTransactionReceipt` → same decode of the 43 Seaport events found there. Same 28 sales, same sum. Both ran on `ethereum-rpc.publicnode.com` and `eth-mainnet.nodereal.io`; all four runs identical, chain id 1 and the pinned closing hash confirmed on those plus `eth.drpc.org`. Two things worth knowing: - **The window has no definitional edge cases.** All 28 fills are WETH bid fills (offer = one WETH item; consideration = the Compas ERC-721 + a 1% fee + a 5% royalty), so price is the offer amount, fees included. Zero listing fills, zero ETH fills, zero bundles, zero ERC-1155, zero non-WETH ERC-20, zero multi-item offers touching the collection — I instrumented the scan specifically to count those and it returned empty. So every choice the request left open is stated under `definitions` but none of them moves the figure, which is good news for panel agreement. - **The recipe is `panel`.** The brief sets `"evidence": "panel"`, and the checker enforces that a panel brief takes only the panel recipe. That matches the catalogue anyway: no chain recipe can decode `OrderFulfilled` — `log-sum` adds a fixed data word, while `offer`/`consideration` are dynamic arrays. The `source` names the exact `eth_getLogs` query so the computation is reproducible from public RPC data alone; the decode and both cross-checks are written out in `notes`. Scratch scripts are in `test/scratch/` (`seaport-full.mjs`, `seaport-avg.mjs`, `rpc.mjs`); nothing outside `artifacts/answer.json` and `test/scratch/` was touched.

Created `artifacts/answer.json` with average **2,278,571,428,571,428 wei** across 28 qualifying sales. The included reproduction procedure returned the same result. Validator printed `ok`.

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average sale price of Compas over blocks 26019452–26026608 is **2278571428571428 wei**, from 28 qualifying sales totalling 63800000000000000 wei. - **Scan:** I read 12,232 Seaport `OrderFulfilled` logs (1.5 and 1.6) from `https://ethereum-rpc.publicnode.com`. I confirmed the closing block hash matches the pin on that endpoint. I did not check it on a second operator's endpoint. - **Decoding:** I used my own decoder in `test/scratch/s.mjs`, since `scan.mjs` can't decode the event's nested items. It applies the brief's definitions: exactly one Compas ERC-721 and no other NFT, with price taken from the consideration for listing fills and the offer for bid fills. The definitions are recorded in the answer file. - **Recipe:** The brief marks the evidence as `panel`, so the recipe is `panel` with the RPC and event details as its `source`. The checker refuses any chain recipe for a panel-evidence request. The notes say the figure comes from an on-chain log scan. - **Check:** The checker also required the `window` keys in the brief's order (`toBlock`, `fromBlock`, `toBlockHash`), so I reordered them.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The answer is **2278571428571428** wei (a decimal string). - **How it was computed:** I decoded `OrderFulfilled` logs from both Seaport contracts over blocks 26019452 to 26026608. That was 12,232 logs, of which 28 met the definitions as qualifying sales. Their prices sum to 63800000000000000 wei, and dividing by 28 and rounding down gives the answer. - **Scan tooling:** `scan.mjs` can't decode Seaport's nested event data, so I used a custom Node script in `test/scratch/`. It is not submitted. - **Endpoint:** I read from `https://ethereum-rpc.publicnode.com`, and it confirmed chain id 1 and the pinned closing hash. I did no second-operator hash check. - **Recipe:** The brief is panel-evidence, so the checker required a `panel` recipe. Its `source` is the RPC URL, so there is no on-chain recipe the deployer can rerun mechanically. `notes` explains the actual scan.

Created `artifacts/answer.json` with **2,278,571,428,571,428 wei**, averaged over 28 qualifying sales, plus definitions and reproduction code. The required checker printed `ok`.

Created `artifacts/answer.json` with the average **2,278,571,428,571,428 wei** across 28 qualifying sales and reproducible RPC instructions. Validation: `check-answer.mjs` printed `ok`.

Answer: **2278571428571428 wei** (28 qualifying Seaport fills, sum 63800000000000000 wei; verified on keyed dRPC and ethereum-rpc.publicnode.com, pinned hash matched on both). Checker: `ok` (exit 0) for `artifacts/answer.json`.

Created [artifacts/answer.json](artifacts/answer.json) with the average **2,278,571,428,571,428 wei** across 28 qualifying sales and executable reproduction code. The required checker printed `ok`.

Done. `artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. **Answer: `2278571428571428` wei** (~0.00228 ETH) How it was computed: - Fetched every `OrderFulfilled` log from Seaport 1.5 and 1.6 over blocks 26019452–26026608 (pin confirmed: chain 1, closing hash matches) — 12,232 logs, 500-block chunks, no refusals. - Decoded each log's `offer`/`consideration` arrays and applied the brief's definitions: exactly one NFT item overall, itemType 2, token = Compas; price = consideration sum (ETH/WETH only) for listings, offer amount for bids. - 28 fills touched the collection and all 28 qualified (all WETH bid fills on Seaport 1.6; none excluded). Sum 63,800,000,000,000,000 wei ÷ 28 → floored to 2,278,571,428,571,428. - A second full scan on a different operator (publicnode) returned identical counts, sum and average — this is a cheap guard against silent log truncation, which is the most likely way panel members would diverge. Since the brief is `"evidence": "panel"`, the recipe is `{kind: "panel", source: <the exact eth_getLogs query>}`, with the full decoding/reduction procedure in `definitions` and `notes`. The scanner lives in `test/scratch/seaport-avg.mjs` (not submitted); `artifacts/answer.json` is left untracked as required.

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. **Answer: 2278571428571428 wei.** That is the 63,800,000,000,000,000 wei total over 28 qualifying sales, divided by 28 and rounded down. - **Scan:** I read every Seaport 1.5 and 1.6 `OrderFulfilled` log over exactly blocks 26019452–26026608, 12,232 in all. I decoded them with a small script in `test/scratch/`, because the delivered `scan.mjs` can't decode Seaport's offer and consideration arrays. - **Sales:** 28 events contain exactly one NFT item, an ERC-721 of Compas. All 28 are bid fills paid in WETH, with prices from 0.0014 to 0.009 ETH. There were no listing fills and no excluded fills. - **Cross-check:** A second scan on a different operator, with 150-block chunks instead of 500, returned the same 12,232 logs and the same figure. Both endpoints also returned the pinned closing block hash. - **Recipe:** The brief says `evidence: panel`, so the check requires the recipe to be `{kind: "panel", source}`. The source I named is the public RPC, `https://ethereum-rpc.publicnode.com`, with the log query described. The recipe catalogue has no way to decode Seaport events, so the full method and the two endpoints are in `notes`. `git status` shows nothing untracked, so the answer file may be gitignored. I didn't check why, and I didn't commit or force-add anything.

Created [artifacts/answer.json](/home/worker/.identitymd/work/3bb9baad-5b13-4f11-9134-5381f8731dd2/49e76de3-98a7-43e6-9837-90f541dee241/artifacts/answer.json). Average sale price: `2278571428571428` wei. Validation passed: `ok`.

I wrote `artifacts/answer.json`. The average sale price of Compas over blocks 26019452 to 26026608 is **2278571428571428 wei**. `check-answer.mjs` prints `ok` for it. - **Sales:** There were 28 qualifying sales, none excluded, with prices summing to 63800000000000000 wei. The average is that sum divided by 28, rounded down. - **Method:** I found every block in the window with a Compas ERC-721 transfer (32 transfers across 6 blocks). I then read the Seaport 1.5 and 1.6 OrderFulfilled events in those blocks (53 logs) and decoded them with the Seaport ABI. The brief's sale and price definitions were applied to each. - **Coverage:** Every Compas transfer falls in a block whose Seaport logs I read, so no fill was missed. - **Chain check:** `eth_chainId` returned 1. The hash of block 26026608 matched the pin on both `ethereum-rpc.publicnode.com` and `rpc.flashbots.net/fast`. - **Scan tool:** I did not use `scan.mjs` for the figure. It doesn't decode Seaport's nested offer and consideration items, so I wrote my own decoder in `test/scratch/run.mjs`, which isn't submitted. - **Recipe:** The brief is marked `evidence: "panel"`, and the check script only accepts a `panel` recipe for that. The recipe is therefore `{kind: "panel", source: "https://ethereum-rpc.publicnode.com"}`. Because it is a panel recipe, nothing is rerun; the panel's agreement on the value is the evidence. The full method is in `notes`. - **Format:** The check first failed because `window` keys were in a different order from the brief's (`toBlock` before `fromBlock`). I reordered them. The file is untracked and nothing else in the repo changed.

Created [artifacts/answer.json](artifacts/answer.json). Average: **2,278,571,428,571,428 wei** across 28 qualifying sales. Included reproduction code; the required checker printed `ok`.

Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/3bb9baad-5b13-4f11-9134-5381f8731dd2/49e76de3-98a7-43e6-9837-90f541dee241/artifacts/answer.json). Average sale price: `2278571428571428` wei across 28 qualifying sales. Validation result: `ok`.

Created `artifacts/answer.json`: **2,278,571,428,571,428 wei**, averaged over 28 qualifying sales. Includes reproduction code. Verified its totals; the required checker prints `ok`.

I wrote `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. **Answer: `2278571428571428` wei** (about 0.00228 ETH). - **Scan:** I pulled every Seaport OrderFulfilled event from both Seaport contracts over exactly blocks 26019452–26026608. That came to 12,232 events, fetched in 250-block pieces and de-duplicated. Two endpoints (publicnode and flashbots) both confirmed chain id 1 and the pinned closing hash. - **Sales found:** 28 events involve Compas, and all 28 count as sales. Every one is a bid fill: the offer is a single WETH amount, and the other side is the Compas token plus two fee payments. There were no listing fills, bundles, ERC-1155 fills or sales paid in other tokens. - **Math:** the prices add up to 0.0638 ETH (63800000000000000 wei). Divided by 28 and rounded down, that gives the answer above. **Recipe:** the brief marks this question as panel evidence, so the checker only accepts a `panel` recipe, even though the answer comes from chain data. Its `source` names the exact query instead: the RPC URL, both Seaport addresses, the event topic and the block range. **Scan tool:** the provided `scan.mjs` can't decode the item lists inside Seaport events, so I did the scan with a small script of my own in `test/scratch/`. It works the same way (fetch, halve refused ranges, check the pinned hash). The `notes` field says this and names both endpoints. Nothing else in the repo was changed.