{"assessments":[],"deployments":[],"fuzz":[],"identity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"interpretation":"Records acceptance and evidence. Neither completion nor an AI assessment establishes correctness, safety, or independent review.","jobId":"58942a36-2c61-4439-8c3f-ffb6367ca32c","kind":"shape:chain","nodes":[{"acceptedSubmissionHash":"211cea85ea8ed861e5a421d008014b72ee6e7e57ee5d621af02eb2d03fbd6c7a","dependsOn":["refine_project"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"c26edc76dc7a76e09a42c3634054429c1679c6e247747d647a03f77e5b332d7e","skillId":"adversarial-review","tools":[]},"key":"adversarial_review","kind":"code","role":"review","skillHash":"c26edc76dc7a76e09a42c3634054429c1679c6e247747d647a03f77e5b332d7e","skillId":"adversarial-review","state":"accepted"},{"acceptedSubmissionHash":"e38361c78e86885ae56e7321c4a544fbca6399130eb3c103bcab8cef6ed971cc","dependsOn":[],"execution":{"network":false,"profile":"none","requires":[],"skillHash":"99cccc7e3e2e1b515c66d54cc6d4bd9832d528aaf0ec0ba48c87a4182db4b7ca","skillId":"refine-project","tools":[]},"key":"refine_project","kind":"code","role":"implement","skillHash":"99cccc7e3e2e1b515c66d54cc6d4bd9832d528aaf0ec0ba48c87a4182db4b7ca","skillId":"refine-project","state":"accepted"}],"objective":"Port Uniswap v3-periphery's OracleLibrary to TickOracleHook (launch 33, this commit) as a read-side library, with multi-block tests, then have it reviewed. Only src/libraries/ and test/ change: foundry.toml, remappings.txt and lib/ are protected and v4-core stays at the vendored 1.0.2, so this is a port of the v3 read API onto the hook, not a dependency upgrade. The live hook on Sepolia (0xf1317601ba77f57bea3e1dfcee73725b4e471040, TOS/USDC pool 0x842f2bee08148e0ff7edfb0ca50c0466fffde3d2fda4a810843d3a17e7fd6691) is untouched.\n\nAdd src/libraries/TickOracleLibrary.sol (GPL-2.0-or-later like the hook, crediting v3-periphery in the header), internal functions that take an ITickOracleHook and a PoolKey and read only its public observe/consult/states/observations views:\n- consult(hook, key, uint32 secondsAgo) returns (int24 arithmeticMeanTick): v3's tick mean, rounded toward negative infinity; secondsAgo == 0 reverts. There is no harmonic-mean liquidity: the hook records no seconds-per-liquidity, and the library must not pretend otherwise.\n- getQuoteAtTick(int24 tick, uint128 baseAmount, address baseToken, address quoteToken) returns (uint256): v3's function on v4-core TickMath.getSqrtPriceAtTick and FullMath, keeping its branch at sqrtRatio ≤ type(uint128).max.\n- getOldestObservationSecondsAgo(hook, key) returns (uint32): as v3, reading states(id) and observations(id, (index + 1) % cardinality), falling back to slot 0 when that slot is not initialized; reverts for a pool the hook never initialized.\n- getBlockStartingTick(hook, key) returns (int24): as v3's getBlockStartingTickAndLiquidity without liquidity — revert when cardinality < 2; return states.lastTick when the newest observation is older than this block; otherwise (cumulative_newest − cumulative_previous) / (t_newest − t_previous), reverting if the previous slot is not initialized.\n- getWeightedArithmeticMeanTick(WeightedTickData[] memory) as in v3.","parentJobId":null,"planHash":"ae7bcadc3a17a1f80ca7a858a990461443ec1da0b125ea99107df403bd6f22a2","previousHash":"0000000000000000000000000000000000000000000000000000000000000000","projectId":"58942a36-2c61-4439-8c3f-ffb6367ca32c","publication":{"commit":null,"deliveredAt":null,"repoUrl":"https://github.com/identity-md-launches/launch-345-port-uniswap-v3-periphery-s-oraclelibrar"},"receiptIdentity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"registry":"0xb6d0a187b050fa5bb0b87033a203f37becf4a775","research":[],"schema":"identitymd-work-v1","signals":[{"agentId":"50952","feedbackHash":"f42d4bd60ef8f2535e351f1dfd9c190632b6555facc6d726493c5f6669f55211","nodeKey":"adversarial_review","submissionHash":"211cea85ea8ed861e5a421d008014b72ee6e7e57ee5d621af02eb2d03fbd6c7a","tag1":"review:submission","tag2":"acceptance-v2","value":1},{"agentId":"51188","feedbackHash":"136e09f733fa129d1a9b1a3300b2f51875341a4f96c0bd4aae3092bab979a8d2","nodeKey":"refine_project","submissionHash":"e38361c78e86885ae56e7321c4a544fbca6399130eb3c103bcab8cef6ed971cc","tag1":"verification:structural","tag2":"acceptance-v2","value":1}],"site":null,"snapshotHash":"e79f689a5e41689ec057083616a6c2cad4bbc225b273514b51eb9c41860404b2","state":"completed","submissions":[{"artifacts":[],"attempt":1,"bundleHash":null,"device":"ce6eaff570c608ab","findings":[{"description":"The port's rounding is correct (`if (delta < 0 && delta % secondsAgoSigned != 0) arithmeticMeanTick--`, matching v3-periphery), but the tests cannot tell it apart from a port that decrements on any nonzero remainder regardless of sign. In testConsultAcrossUnevenBlocksAndRingWrap the swap direction pattern `i % 2 == 1` starts with zeroForOne, so the pool's tick only ever takes the values -20 and 0 (confirmed by tracing all 8 swaps); testTimestampWrap does the same. Every one of the 118 window sums is therefore <= 0, so the `delta < 0` half of the condition is never load-bearing. testWeightedArithmeticMeanTickRoundsDown likewise uses numerators 0 and -1 only. Mutation check: removing `delta < 0 &&` from consult and `numerator < 0 &&` from getWeightedArithmeticMeanTick leaves all 6 tests passing, while the mutant returns a mean one tick too low for any positive non-divisible window. The hook's own consult is compared in the same test, so a matching sign bug in both would also pass. Adding one window (or one weighted sample) with a positive non-divisible mean closes the gap.","line":27,"path":"test/TickOracleLibrary.t.sol","reproduction":"Correct behaviour vs. the surviving mutant, using the fixture: openPool(keyAB); increaseObservationCardinalityNext(keyAB, 5); warp START_TIME+2, roll, swap(keyAB, false) -> tick 19; warp START_TIME+3, roll, swap(keyAB, true) -> tick -1; warp START_TIME+5, roll. consult(reader, keyAB, 3) integrates 19*1 + (-1)*2 = 17 over 3 s: v3/port returns floor(17/3) = 5; the mutant that drops `delta < 0` returns 4. All committed tests pass against that mutant. Weighted: data = [{tick: 3, weight: 1}, {tick: 0, weight: 3}] -> port returns 0; the mutant that drops `numerator < 0` returns -1; committed test still passes.","severity":"medium","title":"Rounding sign guard in consult and getWeightedArithmeticMeanTick is never exercised: every sampled mean is <= 0"},{"description":"The port computes `previousIndex = (index + cardinality - 1) % cardinality` exactly as v3 does, but testBlockStartingTickAndSameBlockSwaps only calls getBlockStartingTick when the newest observation sits in slot 1 or slot 2 (cardinality 4, no wrap), and testTimestampWrap calls it with the newest in slot 2. No test calls it in a block whose write landed on slot 0 after the ring wrapped. Mutation check: replacing the expression with `uint256(index) - 1` (no wrap) leaves all 6 tests passing, while the mutant panics with arithmetic underflow (0x11) whenever the newest observation is in slot 0. A two-slot buffer with two swaps in consecutive blocks reaches that state in three lines.","line":39,"path":"test/TickOracleLibrary.t.sol","reproduction":"openPool(keyAB); increaseObservationCardinalityNext(keyAB, 2); warp START_TIME+1, roll, swap(keyAB, true) -> tick -20, write lands in slot 1 (cardinality promoted to 2); warp START_TIME+2, roll, swap(keyAB, false) -> tick 0, write lands in slot 0 (states: index 0, cardinality 2). Calling getBlockStartingTick(reader, keyAB) in that same block: v3/port returns -20 (the tick that stood during [START+1, START+2)); the no-wrap mutant reverts with panic 0x11. The committed suite passes against that mutant.","severity":"low","title":"getBlockStartingTick's previous-slot ring wrap (index 0 written this block) is never exercised"},{"description":"Not a defect: the requirement asks for the revert and it is ported faithfully. But with this hook's write discipline the slot before the newest observation is always written: cardinality is promoted only when the write lands on slot `cardinality - 1`, so the newest slot is always preceded by the slot written just before it (or, after a wrap, by slot `cardinality - 1`, which was just written). Deleting the `require(initialized, \"ONI\")` line leaves all 6 tests passing, and no sequence of initialize / grow / swap calls can make it fire. Reaching it would need a mock ITickOracleHook that returns an unwritten previous slot. Recorded so the missing coverage is a known choice rather than an oversight.","line":82,"path":"src/libraries/TickOracleLibrary.sol","reproduction":"Mutation: remove `require(initialized, \"ONI\");` from getBlockStartingTick; `forge test --match-contract TickOracleLibraryTest` still reports 6 passed. Attempted trigger: openPool, increaseObservationCardinalityNext(keyAB, 3), swap in a later block (promotion to cardinality 3, index 1, previous slot 0 written), increaseObservationCardinalityNext(keyAB, 6), swap in a later block (index 2, previous slot 1 written) — every reachable state has the previous slot initialized.","severity":"info","title":"The \"ONI\" revert in getBlockStartingTick is unreachable through TickOracleHook and untested"}],"hash":"211cea85ea8ed861e5a421d008014b72ee6e7e57ee5d621af02eb2d03fbd6c7a","nodeId":"c18f7423-82ff-4f1c-8a24-e68fa5edc717","outcome":"completed","summary":"The review is complete. Findings are written to `.imd-findings.json` in the repository root, and no source or test file was touched. The scratch copy I used for mutation runs lived under /tmp and has been deleted.\n\n**Verdict on the port.** The library is a faithful line-by-line port of v3-periphery's OracleLibrary. Every item the assignment asked me to compare checks out:\n\n- **Rounding of negative means** matches v3 in both consult and the weighted mean. The ring test hits 59 negative non-divisible windows out of 118, so that half is genuinely verified.\n- **int56/uint32 casts** are the same as v3. The int24 narrowing cannot truncate because the cumulative cannot wrap within a uint32 time span.\n- **Uninitialized-slot fallback** to slot 0 is present and exercised at four points before the ring wraps.\n- **getBlockStartingTick** reverts on cardinality below 2, returns the recorded last tick when the newest observation is older than the block, and otherwise divides the cumulative delta. The \"previous slot unwritten\" revert is ported but unreachable through this hook.\n- **getQuoteAtTick** cannot overflow at either tick limit. I recomputed all seven expected quotes and both uint128 boundary values with an independent Python port of v3's TickMath, and every constant in the test matches.\n- The three timestamp-driven tests execute as written under via-IR. I checked this because the optimizer can fold repeated timestamp reads, and a scratch probe of mine did stall that way, but the committed tests warp correctly.\n\n**Findings, ranked.**\n\n1. **Medium.** The sign guard on rounding is never load-bearing. Both multi-block tests start with a zero-for-one swap, so the tick only takes the values -20 and 0 and every window mean is at or below zero. A port that decrements on any nonzero remainder passes all six tests but returns 4 instead of 5 for a window of tick 19 for one second then -1 for two seconds. The weighted-mean test has the same blind spot.\n2. **Low.** getBlockStartingTick is never called in a block whose write landed on slot 0 after the ring wrapped. A port that computes the previous index without the modulo wrap passes all tests but panics with underflow for a two-slot buffer after two swaps in consecutive blocks.\n3. **Info.** The \"ONI\" revert cannot fire through the hook and is untested. This is a faithful port of a defensive check, not a defect.\n\nNo defect was found in the library's arithmetic or in its agreement with v3. The two real findings are test-coverage gaps, each with a call sequence that distinguishes the correct port from a plausible wrong one.","treeHash":null,"usage":{"cachedInputTokens":1570477,"inputTokens":516,"model":"claude-fable-5-1","outputTokens":38145,"runtime":"claude","turns":24,"wallClockMs":737051}},{"artifacts":[],"attempt":1,"bundleHash":"ad082013a5f6988c4e32d6c635297f170972455ba1e78a95a5c45a0ca33e8b08","device":"0b0761c9b10fe0bb","findings":[],"hash":"e38361c78e86885ae56e7321c4a544fbca6399130eb3c103bcab8cef6ed971cc","nodeId":"518318ab-140b-415c-a1f3-cab78e80446a","outcome":"completed","summary":"Added [TickOracleLibrary.sol](/root/.identitymd/work/58942a36-2c61-4439-8c3f-ffb6367ca32c/518318ab-140b-415c-a1f3-cab78e80446a/src/libraries/TickOracleLibrary.sol) with the five requested helpers, ported from [v3-periphery’s OracleLibrary](https://github.com/Uniswap/v3-periphery/blob/main/contracts/libraries/OracleLibrary.sol). It exposes no liquidity value because the hook does not record one.\n\nAdded [multi-block fixture tests](/root/.identitymd/work/58942a36-2c61-4439-8c3f-ffb6367ca32c/518318ab-140b-415c-a1f3-cab78e80446a/test/TickOracleLibrary.t.sol) for consult windows, ring wrap, quotes, block-start ticks, and timestamp wrap. I reviewed the port against the v3 source and hook interface; no outstanding issue found. The full suite passed **126 tests**, with one RPC-dependent fork suite skipped. Formatting passed. Only the two allowed files were added.","treeHash":"0493582d16e749c6d251990f7670e50560ccd6d1","usage":{"cachedInputTokens":1164544,"inputTokens":59512,"model":"gpt-6-sol","outputTokens":12075,"runtime":"codex","turns":6,"wallClockMs":357644}}],"verification":[{"checks":[],"detail":"paths and tree verified; no suite was run for this kind of work","evaluation":"structural","profile":"none","status":"accepted","submissionHash":"e38361c78e86885ae56e7321c4a544fbca6399130eb3c103bcab8cef6ed971cc","verifiedTreeHash":"0493582d16e749c6d251990f7670e50560ccd6d1","verifierVersion":"0.1.0+ff982c0f"}]}