skill:oracle-assess
Answer this question about chain 1 over blocks 26019452 to 26026608, exactly as .imd/reads/oracle.json pins it: What was the average sale price of BRAINROT (contract 0x38793a3fdfd098e820ddf59706280681354341fc) 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
Created and validated [artifacts/answer.json](artifacts/answer.json). - Average: `8623859199500000` wei - Qualifying sales: 20 - Verifier result: `ok`
The deliverable is complete: `artifacts/answer.json` contains the average BRAINROT sale price of **8,623,859,199,500,000 wei** (≈0.00862 ETH), computed by decoding all 12,232 Seaport `OrderFulfilled` logs from both Seaport 1.5 and 1.6 over the pinned blocks 26019452–26026608, filtering to the 20 fills matching the definition (exactly one ERC-721 BRAINROT item, ETH/WETH consideration), and averaging with floor division. Since the brief marks this question `"evidence": "panel"` (Seaport's dynamic struct-array encoding is outside what the catalogue's `log-sum`/`log-rank` recipes can express), I submitted a `panel` recipe naming the on-chain source per the brief's own `definitions.source`, cross-checked the chain id and closing-block hash on a second independent endpoint, and `check-answer.mjs` prints `ok`.
Computed the floored average sale price: `8623859199500000` wei. Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json). Validation passed: `check-answer.mjs` printed `ok`.
Done. `artifacts/answer.json` is written and the checker prints `ok`. **Answer: 8623859199500000 wei** (~0.008624 ETH), the mean of 20 qualifying fills summing to 172,477,183,990,000,000 wei. How it was computed: - Confirmed `eth_chainId` = 1 and the pinned closing hash for block 26026608 on two independent operators (`rpc.flashbots.net/fast`, `ethereum-rpc.publicnode.com`); the window is exactly 86400 s. - Ran the delivered `scan.mjs` over the pinned range filtered to the two Seaport contracts and the `OrderFulfilled` topic: `pinned: true`, 12232 logs, 36 chunks. Because `scan.mjs` can only read fixed data words and Seaport's offer/consideration are dynamic arrays, the same 12232 logs were re-fetched with the same filter/halving and decoded in process (nothing printed). - 20 logs touch the collection and all 20 qualify: 15 bid fills (single WETH offer item), 5 listing fills (single ERC-721 offer item, money-only consideration, fees included). Nothing was dropped as a bundle, ERC-1155, multi-NFT or foreign-token fill. 18 fills in WETH, 2 in native ETH; prices 0.0074–0.012 ETH. - Cross-checked by a different route on the second endpoint — the collection's own ERC-721 `Transfer` logs (22 in 19 txs) → receipts → Seaport logs — which reproduced the same 20 fills, sum and average, confirming the log scan was not truncated. Two judgment calls, both recorded under `definitions`: each qualifying `OrderFulfilled` is one sale as the brief literally defines it, so the three matched-order transactions (blocks 26021383, 26023611, 26025566) contribute both sides at their own prices — a deduplicating reading would report 17 fills instead; and repeated order hashes are OpenSea collection offers filled for several token ids, each a separate sale. One thing worth flagging: the brief sets `"evidence": "panel"`, and `check-answer.mjs` therefore refuses any chain recipe, so the recipe is `{ kind: "panel", source }` even though the figure is pure chain data. The `source` names the endpoint, topic, both Seaport addresses, the block range and the pin so the deployer can rerun it; the decoding rules it needs are in `definitions`.
Created `artifacts/answer.json` with the average **8,623,859,199,500,000 wei** across 20 qualifying sales and reproduction code. Required validator printed `ok`.
Created [artifacts/answer.json](artifacts/answer.json). Average: **8623859199500000 wei** across **20 sales**. The included reproduction script returned the same result, and the required validator printed `ok`. The file remains untracked.
Created `artifacts/answer.json` with the reproducible computation. Average: **8,623,859,199,500,000 wei** across **20 qualifying sales**. Required validator returned `ok`.
Completed [artifacts/answer.json](/home/imd-worker/.identitymd/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json). Average sale price: `8623859199500000` wei. Validation: `check-answer.mjs` prints `ok`.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price of BRAINROT over blocks 26019452–26026608 is **8623859199500000 wei**, about 0.00862 ETH. - **How it was computed:** the sales sum to 172477183990000000 wei across 20 qualifying fills, and floor(sum / 20) gives the average. Each fill counts separately, including several fills in one transaction. - **Scan:** I scanned 12,232 Seaport 1.5 and 1.6 `OrderFulfilled` logs over the pinned blocks and decoded the offer and consideration items myself. Every qualifying fill was paid in ETH or WETH, and none were excluded as bundles or for another payment token. - **Pin check:** the closing block hash `0x84272223…fbf3f` and chain id 1 matched on `ethereum-rpc.publicnode.com` and `rpc.flashbots.net`. The logs themselves were read from publicnode only. - **Cross-check:** the collection had 22 ERC-721 `Transfer` logs in the window, and each of the 19 transactions containing a sale also had a collection `Transfer`. - **Recipe:** the recipe is `panel` with an RPC source URL, because `oracle.json` sets `"evidence": "panel"` and the checker refuses any other kind. Its `source` field is only a description of the scan, and the deployer can't rerun it as a recipe. - **Git:** I didn't run `scan.mjs` because it can't decode Seaport's nested arrays. My script is in `test/scratch/`, and `artifacts/answer.json` is untracked (git status shows nothing).
Created and validated [artifacts/answer.json](</Users/zhuminquan/.identitymd/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json>). The checker prints `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json). Average sale price: `8623859199500000` wei. Validation passed: `check-answer.mjs` printed `ok`.
`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average BRAINROT sale price over blocks 26019452 to 26026608 is **8623859199500000 wei**. - **How I got it:** I fetched the collection's `Transfer` logs over the window, which fall in 19 blocks. In those blocks I decoded the `OrderFulfilled` logs from both Seaport contracts. I did not use `scan.mjs`. It can't decode the `OrderFulfilled` offer and consideration arrays, so I wrote a small decoder in `test/scratch/s.mjs`. - **Sales counted:** 20 qualifying sales, none excluded for being paid in another token. They sum to 172477183990000000 wei, which divided by 20 gives the average. - **Pin check:** the closing block hash matched the pin and the chain id was 1, both read from publicnode. - **Recipe kind:** the brief says `"evidence": "panel"`, so the recipe is `panel` with `https://ethereum-rpc.publicnode.com` as its source. The deployer won't rerun it; the panel's agreement is the evidence. The `notes` field explains the actual method, and the RPC endpoints it names are publicnode, flashbots and mevblocker. - **Scan coverage:** my scan only looked at blocks where the collection had transfers, so it assumes every sale moves a token in that collection. A Seaport fill always does, so this should not miss any.
Done. `artifacts/answer.json` is written, untracked, and `check-answer.mjs` prints `ok`. **Answer: 8623859199500000 wei** (≈0.00862386 ETH) — the mean of 20 qualifying Seaport fills totalling 172477183990000000 wei. The division was exact, so the floor didn't bite. How it was computed, over exactly blocks 26019452–26026608: 1. Confirmed `eth_chainId == 1` and that block 26026608 hashes to the pinned `0x84272223…bf3f`, on two endpoints from different operators (`rpc.flashbots.net/fast`, `ethereum-rpc.publicnode.com`). 2. Pulled the collection's ERC-721 `Transfer` logs over the whole window: 22 transfers in 19 blocks. A Seaport fill of one of its tokens cannot occur without such a transfer in the same block, so those 19 blocks are a complete candidate set — 22 RPC calls instead of decoding every `OrderFulfilled` on mainnet for a day. 3. Fetched all `OrderFulfilled` logs from Seaport 1.5 and 1.6 in those blocks (62), decoded them in-process, and applied the brief's definitions: 20 touched the collection and all 20 qualified — 5 listing fills (sum of every ETH/WETH consideration item, fees included) and 15 bid fills (the single ETH/WETH offer amount). No bundles, no ERC-1155, no other payment token. Prices ranged 0.0074–0.012 ETH. 4. Re-ran the whole thing on the second endpoint: byte-identical totals, which also rules out a silently truncated log range. Two things worth your attention, both stated in `definitions` rather than decided quietly: - **Panel recipe, by necessity.** The brief sets `"evidence": "panel"`, and the check script enforces the `panel` kind for it. That's also the only workable kind here: no `log-sum`/`log-rank` recipe can express this price, since it's a sum over a dynamic array inside the log data whose position depends on the order's shape. The `source` names the exact `eth_getLogs` so the deployer reads the same thing I did. - **Matched orders.** Three transactions were `matchOrders` on Seaport 1.6, each emitting both the listing side and the collection-bid side for the same token. The brief defines a sale as an `OrderFulfilled` event, so I counted both sides — 20 events over 17 transactions. Counting each matched pair once would give 17 sales instead; that is the one place a panel member reading the definition differently could land elsewhere.
I wrote `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. The average sale price of BRAINROT over blocks 26019452–26026608 is **8623859199500000 wei**, about 0.0086 ETH. - **Sales counted:** 20 qualifying sales, totalling 172477183990000000 wei. None were excluded as bundles or paid in another token, and the average is that total divided by 20, rounded down. - **Recipe kind:** The brief is `evidence: "panel"`, so the checker only accepts a `panel` recipe. Its `source` is the publicnode RPC URL. The number itself comes from chain data, not an off-chain source. - **Method:** I pulled the collection's ERC-721 Transfer logs over exactly the pinned blocks (22 logs, 19 transactions). I then read each transaction's receipt and decoded every Seaport 1.5 and 1.6 `OrderFulfilled` event. Every sale has to move the token, so this can't miss a fill. Prices follow the definitions in the brief. - **Pin check:** `eth_chainId` returned 1 and the closing block hash matched on `ethereum-rpc.publicnode.com`, `rpc.flashbots.net/fast` and `eth.drpc.org`. The reads themselves came mainly from publicnode. I used a custom script in `test/scratch/`, not `scan.mjs`, because `scan.mjs` can't decode Seaport's item arrays, and I ran no second scan. The recipe and endpoints are in `notes`. The previous attempt died on an API credit error, not on a fault in the work, so nothing needed repairing.
Done. `artifacts/answer.json` is written, passes the plane's checker (`ok`), and is untracked as required (git tracks nothing here, so the daemon will pick it up cleanly). **Answer: 8623859199500000 wei** (~0.00862 ETH) — the average BRAINROT sale price on OpenSea over the pinned window. How it was computed: - Fetched all `OrderFulfilled` logs (topic0 `0x9d9af8e3…`) from both pinned Seaport contracts (1.5 and 1.6) over exactly blocks 26019452–26026608 via `https://ethereum-rpc.publicnode.com`, with a scratch decoder in `test/scratch/avg-sale.mjs` that ABI-decodes each log's offer and consideration arrays and applies the brief's definitions verbatim. It confirmed `eth_chainId` = 1 and the pinned closing hash on that endpoint, and I cross-checked the same hash on `https://rpc.flashbots.net/fast` (a second operator). - Of 12,232 `OrderFulfilled` logs in the window, 20 were qualifying BRAINROT sales — exactly one ERC-721 (itemType 2) of `0x38793a…41fc`, no other NFT in the fill, single-item offer side, paid entirely in ETH or WETH, fees included. No BRAINROT fill was excluded for a foreign payment token or a bundle shape. - Sum 172477183990000000 wei ÷ 20 = 8623859199500000 exactly, so the floor is exact. The brief marks this question `"evidence": "panel"`, so the recipe is `{kind: "panel", source: "https://ethereum-rpc.publicnode.com"}` (the checker rejects chain-recipe kinds for panel briefs). Everything the question left open — what "on OpenSea" filters, what "no other NFT" spans, the single-item-offer shape, and the wei/WETH 1:1 denomination — is stated under `definitions`, and the full method with the counts is in `notes`. The prior attempt's failure (an OpenAI billing error) was unrelated to this approach; nothing here uses external APIs beyond public Ethereum RPCs.
Completed `artifacts/answer.json`. Computed result: `8623859199500000` wei. Verification run: `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json` -> `ok`
stream disconnected before completion: You have no credits remaining. Add credits to continue using the API at https://platform.openai.com/settings/organization/billing/.
FAILURE: runtime_error
Created [artifacts/answer.json](/Users/peterhucik/.identitymd/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json). Average sale price: `8623859199500000` wei. Validation passed: `check-answer.mjs` printed `ok`.
Created [artifacts/answer.json](artifacts/answer.json) with the reproduction procedure. Average: **8,623,859,199,500,000 wei** across **20 qualifying sales**. The required validator printed `ok`.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average BRAINROT sale price over blocks 26019452 to 26026608 is **8623859199500000 wei**. - **How it was computed:** I pulled all 12,232 `OrderFulfilled` logs from Seaport 1.5 and 1.6 over exactly the pinned blocks from `https://ethereum-rpc.publicnode.com`. I confirmed chain id 1 and the pinned closing block hash first. I then decoded them with my own script, since the provided `scan.mjs` doesn't decode Seaport events. - **Qualifying sales:** there were 20, five listing fills and 15 bid fills. Their total price is 172477183990000000 wei, and the average is that total divided by 20, rounded down. None of the candidate fills was excluded for shape. - **Pricing:** I used the brief's definitions unchanged. A listing fill is priced as the sum of all consideration amounts, kept only if every item is ETH or WETH. A bid fill is priced as the ETH/WETH offer amount. - **Recipe kind:** the brief is marked `"evidence": "panel"`, so the recipe kind is `panel` with the RPC endpoint and topic as its source. The checker requires this, even though the figures come from chain logs. - **Not done:** I ran one scan from one operator and did not check the closing block hash on a second endpoint. The decoder script is in `test/scratch/`, so it is not submitted.
Created [artifacts/answer.json](artifacts/answer.json) with the average **8623859199500000 wei** across 20 qualifying sales and reproduction instructions. Required validator prints `ok`.
The average BRAINROT sale price in the pinned window was **8623859199500000 wei** (about 0.00862 ETH). That's 20 qualifying sales totalling 172477183990000000 wei, averaged and rounded down. The answer is in `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. **How I got it** - I read every `OrderFulfilled` log from Seaport 1.5 and 1.6 over exactly blocks 26019452–26026608 (12,232 logs) from `https://ethereum-rpc.publicnode.com`, in 500-block chunks that split in half when a request failed. - I confirmed chain id 1 and the pinned closing-block hash on that endpoint, and the hash again on `https://eth.drpc.org`. - I decoded each event with a small Node script in `test/scratch/`, since `scan.mjs` can't read the nested offer and consideration lists, and applied the request's definitions word for word. - 15 of the sales were fills of an offer to buy (price = the offered amount) and 5 were fills of a listing (price = all consideration amounts including fees, all in ETH or WETH). No event was dropped as a bundle, an ERC-1155 fill or a payment in another token. - The request is marked `"evidence": "panel"`, so the recipe has to be `{kind: "panel", source}`. The source names the RPC endpoint, both Seaport contracts, the event topic and the block range. **Choice that decides the answer:** 3 of the 5 listing fills are the seller's side of a trade that is already counted as an offer fill in the same transaction. They are for the same NFT and show the seller's net amount. The request defines a sale per event, so I counted them. Counting each trade once instead would give 17 sales and an average of **8682951999411764 wei**. I stated this under `definitions` and in `notes`; other panel members may have made the other choice. I ran one full scan and did not cross-check it with a second one; the deployer re-runs the recipe anyway. I didn't change anything except `artifacts/answer.json`, which I left uncommitted.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price of BRAINROT over the pinned window is **8623859199500000 wei**. - **Sales counted:** 20 qualifying sales, 5 listing fills and 15 bid fills, with a total price of 172477183990000000 wei. The average is that total divided by 20, rounded down. - **How I computed it:** I scanned `OrderFulfilled` logs on both Seaport contracts over exactly blocks 26019452–26026608, from `https://ethereum-rpc.publicnode.com`. Chain id 1 and the closing block hash matched the pin. - **Volume:** 12,232 logs in total, no duplicates. I decoded them with my own script (`test/scratch/sea.mjs`) rather than `scan.mjs`, because `scan.mjs` can't decode Seaport's nested offer and consideration arrays. That script isn't submitted. - **Recipe kind:** it is `panel`, because the brief says `"evidence": "panel"` and `check-answer.mjs` rejects any chain recipe for such a brief. The deployer can't rerun a `panel` recipe, so the panel's agreement is the only evidence. The `source` field names the RPC, the two Seaport addresses, the event topic and the block range. `notes` has the method. - **Definitions:** `definitions` restates the sale and price rules from the brief and gives the 5/15 split between listing and bid fills.
Created [artifacts/answer.json](artifacts/answer.json) with the reproduction procedure. Average: **8,623,859,199,500,000 wei** across **20 qualifying sales**. The required checker printed `ok`.
Created `artifacts/answer.json`. Average: **8623859199500000 wei** across **20 qualifying sales**. The included reproduction code returned the same result, and the required validator printed `ok`.
Created `artifacts/answer.json`. Average: **8,623,859,199,500,000 wei** across 20 qualifying sales. The included reproduction script matched the answer, and the required checker printed `ok`.
Created [artifacts/answer.json](artifacts/answer.json) with the average **8623859199500000 wei** across **20 sales**, plus reproducible RPC calculation code. The supplied checker printed `ok`; independent decoding confirmed the result.
`artifacts/answer.json` is written and untracked (excluded by the repo's own `.git/info/exclude`), and `check-answer.mjs` prints `ok`. **Answer: 8623859199500000 wei** (≈0.008624 ETH) — the mean of 20 qualifying Seaport sales totalling 172477183990000000 wei. How it was computed, over exactly blocks 26019452–26026608: - Pin confirmed: block 26026608 hashes to `0x842722…bf3f` and `eth_chainId` is 1 on five endpoints from different operators (publicnode, mevblocker, flashbots, drpc, merkle). - `eth_getLogs` for the `OrderFulfilled` topic on Seaport 1.5 and 1.6, 250-block chunks: 12232 events in the window, identical count from a second operator. Logs were decoded in-process, never printed. - 20 events name the collection: 15 bid fills (single WETH offer, price = offer amount, fees sit in consideration) and 5 listing fills (single ERC-721 offer, price = sum of consideration, 2 in native ETH and 3 in WETH). No event touching the collection was excluded as a bundle, ERC-1155 or foreign-token fill. - Cross-check: the collection emitted 22 ERC-721 `Transfer` logs in the window; every one of the 20 sales has a transfer of the same token id in the same transaction. One judgement call, stated in `definitions` and `notes`: 3 of the 20 are the listing side of a matched bid/listing pair whose bid side is also counted — one economic trade, two `OrderFulfilled` events. The brief defines a sale as the event and gives no rule for picking a side, so I counted per event. Collapsing those pairs to the bid side would give 17 sales and 8683034352352941 wei; that alternative is recorded in the notes so a reader can see the fork. The recipe is `{ kind: "panel", source: "https://ethereum-rpc.publicnode.com" }` — the brief sets `"evidence": "panel"`, and the check enforces the panel kind for it; none of the chain recipes can express Seaport's nested offer/consideration arrays anyway.
`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average BRAINROT sale price over blocks 26019452 to 26026608 is **8623859199500000 wei**. - **Sales counted:** 20 qualifying Seaport 1.5/1.6 sales, none skipped, totalling 172477183990000000 wei. The average is that total divided by 20, rounded down. - **Window:** the closing block hash matches the pin on the endpoint I read from (`https://ethereum-rpc.publicnode.com`). I did not check it against a second operator's endpoint. - **Method:** I did not use `scan.mjs`, because it can't decode the nested Seaport items. Instead I fetched the collection's Transfer logs (22 logs in 19 transactions), pulled each transaction's receipt and decoded every Seaport `OrderFulfilled` log by hand. The script is `test/scratch/s.mjs`, which is not submitted. Any sale of the collection must emit a Transfer, so this covers every fill. - **Recipe kind:** the brief pins `"evidence": "panel"`, and the catalogue's chain recipes can't decode Seaport events. So the recipe is `panel` with `https://ethereum-rpc.publicnode.com` as its source. The deployer can't rerun a `panel` recipe automatically, so it rests on the panel agreeing with this figure. - **`notes`:** they describe the method and the endpoint, but not a command to rerun.
Created `artifacts/answer.json` with an average of **8,623,859,199,500,000 wei** across 20 qualifying sales. The included reproduction code returned the same result, and `check-answer.mjs` printed `ok`.
I've written `artifacts/answer.json` with an average BRAINROT sale price of **8623859199500000 wei** (about 0.00862 ETH), and `check-answer.mjs` prints `ok`. The file is left untracked; `git status` doesn't list it, so the folder is probably gitignored. - **Scan:** I fetched all 12,232 `OrderFulfilled` logs from both Seaport contracts over exactly blocks 26019452–26026608, from `ethereum-rpc.publicnode.com`. That endpoint returned chain id 1 and the pinned closing hash, and `rpc.flashbots.net` confirmed the same hash. - **Result:** Applying the brief's definitions to each event gives 20 qualifying sales, 15 bid fills and 5 listing fills, totalling 172477183990000000 wei. That total is in `figure`, and the rounded-down average is the answer. - **Recipe:** The brief marks this question as panel evidence, so the checker only accepts a `panel` recipe. Its `source` names the endpoint, the event topic, both Seaport addresses and the block range. - **Tooling:** The provided `scan.mjs` can only sum or rank raw log fields and can't decode Seaport's item arrays. I used my own decoder in `test/scratch/`, which isn't submitted, so the method is described in `notes` instead. **Decision for you:** 3 of the 5 listing fills aren't separate sales. When a seller accepted a bid, Seaport also logged the seller's side of the trade, and the brief's rules count that as an extra listing sale. I followed the brief literally and counted each event, because that's how it defines a sale and how other panel members will most likely read it. The catch is that this counts those 3 trades twice. Dropping the duplicates gives 17 sales and an average of **8683010822941176 wei**. That figure and the three transactions are in `notes`. If you'd rather submit the deduplicated number, the answer and figure need changing, and it will probably disagree with the rest of the panel.
Created `artifacts/answer.json` with the reproduction procedure. Average: **8,623,859,199,500,000 wei** across **20 qualifying sales**. The required checker printed `ok`.
I wrote `artifacts/answer.json` with an answer of **8623859199500000** wei. `check-answer.mjs` prints `ok` for it. That is 172477183990000000 wei over 20 qualifying sales, rounded down. - **Scan:** I fetched every `OrderFulfilled` log from both Seaport contracts over blocks 26019452–26026608. That was 12,232 logs in 500-block chunks, with no duplicates. I decoded them with my own script in `test/scratch/`, because `scan.mjs` can't decode the event's nested tuples. - **Filter:** I kept fills with exactly one NFT item, an ERC-721 of BRAINROT. For a listing fill, the price is the sum of the consideration, and every item had to be ETH or WETH. For a bid fill, it is the ETH/WETH offer amount. No fills were skipped for another payment token or a bundle. - **Endpoints:** The scan ran on `ethereum-rpc.publicnode.com`, and the closing block hash matched the pin there. I also confirmed the hash on `rpc.mevblocker.io/fast` and `rpc.flashbots.net/fast`. - **Recipe kind:** The brief says `evidence: "panel"`, and the checker only accepts a `panel` recipe for that. The recipe therefore names the RPC read as its source rather than a rerunnable log recipe. The full method and the definitions I used are in `notes` and `definitions`. I did not do a second full scan, as the reference says one is enough.
Created [artifacts/answer.json](/home/worker/.imd/seat2/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json). Average sale price: `8623859199500000` wei. Validation passed: `check-answer.mjs` printed `ok`.
I wrote `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. The average BRAINROT sale price over blocks 26019452–26026608 is **8623859199500000 wei**. - **Sales counted:** 20 sales, totalling 172477183990000000 wei, and 172477183990000000 / 20 = 8623859199500000, so no rounding was needed. No fills were excluded as bundles, ERC-1155 fills or payments in other tokens. - **How I got it:** I fetched the collection's Transfer logs over the pinned range (22 logs in 19 blocks), then fetched Seaport `OrderFulfilled` logs from both Seaport 1.5 and 1.6 in just those blocks (62 logs). I decoded each log with the Seaport ABI and applied the request's definitions, including fees in the price and bid fills priced at the offer amount. - **Scan method:** `scan.mjs` can't decode Seaport events. My own script, `test/scratch/sales.mjs`, did the decoding. Because it only looked in blocks where the collection had a Transfer, it assumes a sale always shares a block with its token transfer, which holds for Seaport fills. - **Recipe kind:** The brief is `evidence: "panel"`, and the checker only accepts a `panel` recipe for that. The recipe is therefore `{kind: "panel", source: <public RPC URL>}`, and the full method is in `notes`. - **Endpoints:** I scanned from flashbots (`rpc.flashbots.net/fast`) and publicnode (`ethereum-rpc.publicnode.com`). I confirmed chain id 1 and the pinned closing block hash on flashbots, and the hash again on publicnode. - **Checker quirk:** It compares the window's key order exactly, so I copied the window object straight from `oracle.json`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/7d422ee8-f1eb-40eb-bcb9-bd73beb45f4a/65a85cd3-0aa5-44c6-8250-f78e16905f77/artifacts/answer.json). Average sale price: `8623859199500000` wei. Validation passed: `check-answer.mjs` printed `ok`.
Answer: **8623859199500000 wei** (sum 172477183990000000 wei over 20 qualifying BRAINROT sales; 12232 Seaport `OrderFulfilled` logs in blocks 26019452–26026608, identical totals from the keyed route and a public re-scan). Checker: `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json` prints `ok`.
artifacts/answer.json is untracked (as intended, since it's an output). ## Summary Computed the average BRAINROT sale price on OpenSea over blocks 26019452–26026608 by scanning `OrderFulfilled` events from both Seaport 1.5 and 1.6 contracts via `eth_getLogs`, decoding each log's offer/consideration items, and filtering to single-ERC-721-of-BRAINROT fills paid entirely in ETH/WETH (20 qualifying sales, sum 172477183990000000 wei). **Answer: 8623859199500000 wei** (≈0.00862 ETH average), written to `artifacts/answer.json`. `check-answer.mjs` prints `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.