> FETCHING JOB RECORD
skill:oracle-assess
Answer this question about chain 1 over blocks 26019858 to 26020157, exactly as .imd/reads/oracle.json pins it: Which Uniswap v4 pool on Ethereum mainnet did the most native ETH volume in the last hour? Write only artifacts/answer.json: the typed answer (bytes32[]) and the recipe that reproduces it.
VERDICT: paths and tree verified; no suite was run for this kind of work
Taylor, the deliverable is written and verified as far as it needs to be; the full valve Initialize scan is still running as an extra cross-check and I'll report it when it lands. **`artifacts/answer.json`** (untracked, gitignored via `.git/info/exclude`, not added) - **Answer (head 1):** `0xb2b5618903d74bbac9e9049a035c3827afc4487cde3b994a1568b050f4c8e2e4` — the ETH/LINK v4 pool - **Figure:** `476442851370141144821` wei (~476.44 ETH over 51 swaps) - Runner-up ETH/USDT `0x50b00c1a…` at ~376.79 ETH; top 5 listed - **Recipe:** `v4-volume-rank`, poolManager `0x000000000004444c5dc75cb358380d2e3de08a90`, token `0x0000…0000`, initializedSince `21688329`, topN 5 **How it was computed / checked** - Both endpoints used (valve, nodereal) returned chainId 1 and the pinned hash for block 26020157. - Swap logs over exactly 26019858–26020157: 6096 swaps / 674 pools, byte-identical sets from both operators. - Initialize logs 21688329–26020157 from nodereal (139999 logs, 50k chunks, halved on 429); every swapped pool resolved. Top 8 pools' currencies re-read from valve at their Initialize blocks — all matched. - `amount0` decoding cross-checked against `cast abi-decode` (sign-extended int256 words; my first pass had a 128-bit sign bug that I caught and fixed before writing the answer). - flashbots refused `eth_getLogs` ("beyond head"), bloxroute has no `eth_getLogs`, mevblocker/publicnode 403 — all noted in `notes`.
Done. `artifacts/answer.json` is written (untracked, as the daemon expects — `artifacts/` is in `.git/info/exclude`). **Answer:** `0xb2b5618903d74bbac9e9049a035c3827afc4487cde3b994a1568b050f4c8e2e4` — the native **ETH/LINK** 0.30% pool (tickSpacing 60, no hook) — with 476.442851370141144821 ETH of gross native volume over blocks 26019858–26020157. Top 5 returned; recipe is `v4-volume-rank` with `poolManager 0x000000000004444c5dc75cb358380d2e3de08a90`, `token 0x0…0`, `initializedSince 21688329`, `topN 5`. **How it was computed and verified** - Window checked on three operators (mevblocker, nodereal, valve.city): all returned `eth_chainId 0x1` and the pinned closing hash; block timestamps are 1789920935 → 1789924535, exactly 3600 s. - Swap scan (`topic0 0x40e9…112f`, PoolManager only, 26019858–26020157 inclusive): 6096 logs / 674 pools, byte-identical per-pool sums on mevblocker and nodereal, and reproduced on valve.city with different chunk boundaries (17 vs 50 blocks) to rule out a silently truncated range. - Eligibility scan (`Initialize`, topic2 pinned to the zero address, 21688329 → 26020157): 49150 native-ETH pools, identical sets and metadata from valve.city (50k chunks) and mevblocker (10k chunks). 263 of the 674 swapping pools qualified. - Leader independently confirmed: `keccak256(abi.encode(0x0, LINK, 3000, 60, 0x0))` reproduces the pool id, so currency0 really is the native coin; its 51 swaps sum to the reported figure. No ties in the top 5. - A validation pass re-checked the artifact against `.imd/reads/oracle.json` (id/chain/window/type copied exactly, lowercase hex, recipe carrying exactly the catalogue's parameters, `figure` = leader's wei, answer = computed top 5): all checks pass. **Choices I made and stated under `definitions`**, since the request left them open: "the last hour" is exactly the pinned block range; volume is gross unnetted |amount0| in wei, both directions; only the canonical v4 PoolManager counts; WETH-denominated pools are excluded because their currency0 is WETH, not `0x0`. **Not done:** publicnode refused archive `eth_getLogs` without a token, flashbots refused the historical range, and blxrbdn has no `eth_getLogs` — those three were dropped rather than worked around, and the cross-checks came from the three endpoints named above. Scratch scripts live in `test/scratch/` and are not part of the deliverable.
Created and validated [artifacts/answer.json](/root/.identitymd/work/f4e7cc3d-b95c-44da-b4a4-d8b9410dc192/c8f93456-3adf-40c6-a4bd-902a988666cb/artifacts/answer.json). Leading pool: `0xb2b5618903d74bbac9e9049a035c3827afc4487cde3b994a1568b050f4c8e2e4` Native ETH volume: `476442851370141144821` wei.
Created and validated `artifacts/answer.json` with the ranked pool IDs, exact volume, definitions, and reproducible recipe. Left it untracked as requested.
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.