skill:oracle-assess
Answer this question about chain 1 over blocks 26017882 to 26021471, exactly as .imd/reads/oracle.json pins it: Which address received the most Blur Pool on Ethereum mainnet in the last 12 hours? Write only artifacts/answer.json: the typed answer (address[]) and the recipe that reproduces it.
VERDICT: paths and tree verified; no suite was run for this kind of work
I wrote `artifacts/answer.json`. The address that received the most Blur Pool in blocks 26017882–26021471 is the zero address, `0x0000000000000000000000000000000000000000`. - **Result:** its gross incoming total is 48866970426801815260 raw units (18 decimals). Those are burns, which the request's definition of "received" counts (any address, mints included). - **Runners-up:** `0x306a9ced7ec13c32fb26424f7fbc82d34928d4b9` (23967741594296953129), then `0xfad4d20eda6d3dfe8f59899b898427594b53b228`, `0xf76246b0842c92ad5bd745973ca9eb85b937b126` and `0x7ff2ac88b121fe54be5b5ab7bf8b9471d43ff50c`. The answer lists the top five in that order. - **Recipe:** a `log-rank` over the Blur Pool `Transfer` event, grouped by `to`, summing `value`, top 5. - **Cross-check:** I scanned all 191 `Transfer` logs on two independent endpoints, publicnode and mevblocker. Both returned chain 1 and closing block hash `0x4673d2b7…fd267c`, and their totals matched exactly. A third endpoint, `rpc.flashbots.net/fast`, matched on chain and closing hash, but I stopped its scan before it finished. - **Caveat:** if the zero address were excluded, the leader would be `0x306a9ced…`. I noted this in the file, but the answer follows the request's definition. The scan script is in `test/scratch/`, which isn't submitted. The answer file is untracked, as required.
Created and validated [artifacts/answer.json](/home/imd-worker/.identitymd/work/f6eed758-44eb-4aca-9d7a-6d2f9c2e1bc2/38bb21df-401f-4005-a797-872bb10d8ead/artifacts/answer.json). The computed recipient is the zero address, with `48866970426801815260` raw Blur Pool units; two public RPCs agreed on the logs and pinned block hash.
Created and validated [artifacts/answer.json](artifacts/answer.json). Top recipient: `0x0000000000000000000000000000000000000000`, receiving `48866970426801815260` raw units. Three independent RPC operators returned identical logs and rankings over the exact pinned range.
Created and validated `artifacts/answer.json`. Winner: `0x0000000000000000000000000000000000000000`, receiving `48866970426801815260` raw units. Two independent public RPC operators returned matching logs and rankings over the exact pinned range.
**Done.** `artifacts/answer.json` is written (untracked, 4.9 KB, valid JSON). **Answer:** `0x0000000000000000000000000000000000000000` — 48866970426801815260 raw Blur Pool units received over blocks 26017882–26021471. The largest non-zero recipient is `0x306a9ced7ec13c32fb26424f7fbc82d34928d4b9` with 23967741594296953129. **How it was computed:** `eth_getLogs` on `0x0000000000a39bb272e79075ade125fd351887ac` (name() = "Blur Pool") with topic0 `0xddf252ad…b3ef`, in 256-block chunks over exactly the pinned inclusive range, halving on refusals; recipients from `topics[2]`, values summed as BigInt, ranked descending with ties by ascending address. Recipe is `log-rank` with the catalogue's parameters only (`address`, `event`, `sumArg`, `abs`, `groupBy`, `topN`), so a deployer rerun reproduces it. **Verification:** - Every endpoint checked for `eth_chainId` = `0x1` and `eth_getBlockByNumber(26021471)` hash = the pinned `0x4673d2b7…267c` before use. - Scanned independently on three operators — mevblocker, valve.city, nodereal — all returning the same 191 logs, 64 recipients, blocks 26017884..26021462, and an identical top-12. Three endpoints in the row were unusable (flashbots rejects historical `eth_getLogs` as "beyond current head", publicnode requires a token for archive logs, blxrbdn reports the method unavailable); that is named in `notes`. **The one open judgement call:** the zero address is the top bucket because 66 of the 191 logs are Blur Pool withdrawal burns to `0x0`. The request's definitions group by the indexed `to` across "transfers to any address" with no exclusion, and `log-rank` has no exclude parameter, so I did **not** filter it — filtering would make my figure irreproducible by the deployer's rerun. This is stated under `definitions.zeroAddressIncluded`, with the largest real holder given in `notes` as well. If the panel majority instead excludes burns, my first entry will differ from theirs; that is a deliberate reading of the pinned definitions, not an oversight.
Created and validated `artifacts/answer.json`. Winner: `0x0000000000000000000000000000000000000000`, receiving `48866970426801815260` raw units under the pinned definition. All 191 logs matched across three RPC sources.
Created and validated [artifacts/answer.json](/home/imd-worker/.identitymd/work/f6eed758-44eb-4aca-9d7a-6d2f9c2e1bc2/38bb21df-401f-4005-a797-872bb10d8ead/artifacts/answer.json). Top recipient: `0x0000000000000000000000000000000000000000` Amount: `48866970426801815260` raw Blur Pool units.
Created [artifacts/answer.json](artifacts/answer.json) with the typed answer and reproducible recipe. The zero address received the most: `48866970426801815260` raw units. Two independent RPC endpoints agreed on all 191 logs. JSON and ranking checks passed.
The answer file is valid JSON and complete. **Result:** Over blocks 26017882–26021471 (inclusive) on chain 1, the address that received the most Blur Pool (gross incoming `Transfer.value`) is the zero address `0x0000...0000` (48866970426801815260 raw units — Blur Pool's withdraw/burn sink), per the pinned "received" definition which counts transfers to any address without subtracting outgoing amounts. Verified: two independent RPC operators (publicnode.com and mevblocker.io) both confirmed chain id 1, matched the pinned closing-block hash, and returned identical sets of 191 Transfer logs and identical rankings (a third endpoint, flashbots.net/fast, errored on the range and was dropped per rotation rules). Wrote `artifacts/answer.json` with the `log-rank` recipe, top-5 ranking, figure, and full notes on methodology.
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.