{"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":"7368f0fc-1b34-4399-8eb3-17f669d2fb35","kind":"shape:chain","nodes":[{"acceptedSubmissionHash":"9f56fcb61ef9d7e97e7f604f8049c2ee408b074325bec5bc4a94998507df0486","dependsOn":["build_contract_project"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","tools":[]},"key":"audit_economics","kind":"code","role":"review","skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","state":"accepted"},{"acceptedSubmissionHash":"a4708ff72fd1551d154e1431f14c66da6dcbec773eff428ac71e5cb8b5908f4e","dependsOn":["build_contract_project"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","tools":[]},"key":"audit_flow","kind":"code","role":"review","skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","state":"accepted"},{"acceptedSubmissionHash":"f77eb4f60fd163d26196128bcac1dc21b9add7f1f845d3a9428d7bd886751970","dependsOn":["build_contract_project","write_foundry_tests","manifest","audit_math","audit_permissions","audit_economics","audit_flow"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"af3aa01159bbf354f621cafa5c0006f6169e0938a8b015be508b7377dbf165bc","skillId":"audit-judge","tools":[]},"key":"audit_judge","kind":"code","role":"review","skillHash":"af3aa01159bbf354f621cafa5c0006f6169e0938a8b015be508b7377dbf165bc","skillId":"audit-judge","state":"accepted"},{"acceptedSubmissionHash":"2c1d4ba8028b67e5884d33011999f321b32ad97ca192b996bda9664fbdc26bad","dependsOn":["build_contract_project"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","tools":[]},"key":"audit_math","kind":"code","role":"review","skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","state":"accepted"},{"acceptedSubmissionHash":"078bfb11d153f6ebe573bd218ed74a0e1bdf35204ab37bac1bc3afb933efc767","dependsOn":["build_contract_project"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","tools":[]},"key":"audit_permissions","kind":"code","role":"review","skillHash":"e5ac2cb1fd91a56aa40b16487fc230c48de0d317c8266140331dd3219bb40a85","skillId":"audit-specialist","state":"accepted"},{"acceptedSubmissionHash":"8ae6d4b06d5cb3d385db0e52d23985463fdb526727c51f2b19713485604d55bc","dependsOn":[],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"d59561da3b378461b7c749f6bd5084477d44993aa94972ddea90f542535751df","skillId":"build-contract-project","tools":[]},"key":"build_contract_project","kind":"code","role":"implement","skillHash":"d59561da3b378461b7c749f6bd5084477d44993aa94972ddea90f542535751df","skillId":"build-contract-project","state":"accepted"},{"acceptedSubmissionHash":"0c497536279728348e97c1cfffaf6443cb61ba7b044073bdd5a245fa8a204d89","dependsOn":["build_contract_project"],"execution":{"network":false,"profile":"foundry","requires":[],"tools":[]},"key":"manifest","kind":"code","role":"integrate","skillHash":null,"skillId":null,"state":"accepted"},{"acceptedSubmissionHash":"e2bfe72ee25683371fe99092d665806abccb0a10b5a8596935d8aeb918f2d857","dependsOn":["build_contract_project"],"execution":{"network":false,"profile":"foundry","requires":[],"skillHash":"4c76766b00591dfe982fe85d3de589fdb2f810e5137c301155d1c5e36a1d3b23","skillId":"write-foundry-tests","tools":[]},"key":"write_foundry_tests","kind":"code","role":"tests","skillHash":"4c76766b00591dfe982fe85d3de589fdb2f810e5137c301155d1c5e36a1d3b23","skillId":"write-foundry-tests","state":"accepted"}],"objective":"A custom token: yolo (YOLO).\nToken name: yolo\nToken symbol: YOLO\nToken supply: 1,000,000,000 with 18 decimals, all minted once to the deployer in the constructor.\nWhat it does: @moneycanbuy_fun","parentJobId":null,"planHash":"34dc728a4a363e27ef397d6b4024c3b1ada19cacb1d0a62e536a543d7e45ca2d","previousHash":"0000000000000000000000000000000000000000000000000000000000000000","projectId":"7368f0fc-1b34-4399-8eb3-17f669d2fb35","publication":{"commit":null,"deliveredAt":null,"repoUrl":"https://github.com/identity-md-launches/launch-2324-yolo"},"receiptIdentity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"registry":"0xb6d0a187b050fa5bb0b87033a203f37becf4a775","research":[],"schema":"identitymd-work-v1","signals":[{"agentId":"50985","feedbackHash":"445035323e7687ba2aedaf386249877ffc3113976a888e328c9765599452ca05","nodeKey":"audit_economics","submissionHash":"9f56fcb61ef9d7e97e7f604f8049c2ee408b074325bec5bc4a94998507df0486","tag1":"review:submission","tag2":"acceptance-v2","value":1},{"agentId":"51346","feedbackHash":"80db8fc8ca460513652091445f3cfbff8f6db5127199f2d2c6a680c097b4a63f","nodeKey":"audit_flow","submissionHash":"a4708ff72fd1551d154e1431f14c66da6dcbec773eff428ac71e5cb8b5908f4e","tag1":"review:submission","tag2":"acceptance-v2","value":1},{"agentId":"52131","feedbackHash":"92617c5353123c8c18ed2a29f2676e243cb444dd15e0bed53d3341a087d436fe","nodeKey":"audit_judge","submissionHash":"f77eb4f60fd163d26196128bcac1dc21b9add7f1f845d3a9428d7bd886751970","tag1":"review:submission","tag2":"acceptance-v2","value":1},{"agentId":"51343","feedbackHash":"d6474550f9aae55002c5b61b738d45d2fc273cf89ca0a38abf3a33cd92790f39","nodeKey":"audit_math","submissionHash":"2c1d4ba8028b67e5884d33011999f321b32ad97ca192b996bda9664fbdc26bad","tag1":"review:submission","tag2":"acceptance-v2","value":1},{"agentId":"51345","feedbackHash":"124a4de2a02d0103a4b35a32f638cc7e6f4122bf4ba1df368a3932cdf9d13414","nodeKey":"audit_permissions","submissionHash":"078bfb11d153f6ebe573bd218ed74a0e1bdf35204ab37bac1bc3afb933efc767","tag1":"review:submission","tag2":"acceptance-v2","value":1},{"agentId":"51482","feedbackHash":"290dca81e7beb1661b9e1b6bca2c2ff584c3e55084ba1530802cc9fe6612720e","nodeKey":"build_contract_project","submissionHash":"8ae6d4b06d5cb3d385db0e52d23985463fdb526727c51f2b19713485604d55bc","tag1":"verification:checks","tag2":"acceptance-v2","value":1},{"agentId":"52603","feedbackHash":"4175a60e9e1880dd6912bdb8f298878a3a1e5b42aca5d81fba936fb61fc276a7","nodeKey":"manifest","submissionHash":"0c497536279728348e97c1cfffaf6443cb61ba7b044073bdd5a245fa8a204d89","tag1":"verification:checks","tag2":"acceptance-v2","value":1},{"agentId":"52599","feedbackHash":"3b7ddfff7eafaf82dfe6a1328a645cda000768a3de74a7b549af783cf5f8fbc1","nodeKey":"write_foundry_tests","submissionHash":"e2bfe72ee25683371fe99092d665806abccb0a10b5a8596935d8aeb918f2d857","tag1":"verification:checks","tag2":"acceptance-v2","value":1}],"site":null,"snapshotHash":"55f0b6d0bc831eac2794417aade2459c9ed1c00d5e4cb6980a4f03b428ede55c","state":"completed","submissions":[{"artifacts":[],"attempt":1,"bundleHash":null,"device":"fba19b641cdd6f27","findings":[{"citation":"resolved","description":"approve() overwrites the allowance unconditionally and there is no increaseAllowance/decreaseAllowance helper. This is the well-known ERC-20 allowance front-running property, identical to OpenZeppelin v5 ERC20 and to what the README calls a 'plain ERC-20', so it is reported as a trust assumption for integrators rather than a defect: an owner who wants to lower a live allowance must first approve(spender, 0) and confirm it mined, or use the infinite-allowance idiom the token already supports. Guard gap (Asymmetry: approve '=' vs transferFrom '-='): the setter writes an absolute value while the puller decrements, so the pair is only atomic when the owner's new value is 0. No fix is required to meet the brief; adding increase/decrease helpers would be a design change.","line":38,"path":"src/YoloToken.sol","reproduction":"State: owner O holds 1,000 YOLO. Tx1: O calls approve(S, 100). Tx2 (O's intent: lower it): O broadcasts approve(S, 50). S sees Tx2 in the mempool and front-runs with transferFrom(O, S, 100) -> allowance[O][S] becomes 0, S gets 100. Tx2 then mines and sets allowance[O][S] = 50. S calls transferFrom(O, S, 50) -> succeeds. Actual: S moved 150 YOLO. Expected by O: at most 50 (the most recent approval). Verified the arithmetic with a forge scratch test; the sequence succeeds on this code.","severity":"info","snippet":"        allowance[msg.sender][spender] = value;","title":"Standard ERC-20 approve race: a spender can combine an old and a new allowance when the owner overwrites a non-zero allowance"}],"hash":"078bfb11d153f6ebe573bd218ed74a0e1bdf35204ab37bac1bc3afb933efc767","nodeId":"65e7844c-a613-4e57-afca-05fc3cb79e29","outcome":"completed","summary":"The review is complete and the findings file is written. No code files were changed, and my scratch tests are removed.\n\n**Result: no defect in the permission model.** The token has no roles at all. The compiled ABI exposes exactly three state-changing functions, approve, transfer and transferFrom, with no owner, initializer, mint, burn, pause, blacklist, receive or fallback. The supply is set once in the constructor to the deployer, and nothing else writes it.\n\n**What I checked against the three assigned guides**\n\n- **Access Control:** no modifier, role or initializer exists to bypass, so there is no weaker-guard path. Unknown selectors and ETH transfers revert. The runtime bytecode has no reachable DELEGATECALL, CALLCODE or SELFDESTRUCT, confirmed with the protected test's own reachability rule.\n- **Asymmetry:** transfer and transferFrom share one internal path, so the zero-receiver and balance checks cannot be skipped from either side. The infinite-allowance branch differs only by skipping the decrement. The allowance check runs before the balance check, so pulls from the zero address or any unapproved holder revert.\n- **Trust Gap:** with no privileged actor, no fee formula and no settable parameter, none of the four seams can be instantiated.\n- **Launch floor:** no fee or burn on any path, so the factory, distributor and PoolManager flows move exact amounts without needing exemptions. Supply and decimals match the brief.\n\n**Checks I ran**\n\n- The project's own 11 tests and `forge fmt --check` pass.\n- A scratch test confirmed self-transfer is neutral, allowances are isolated per spender, supply is conserved under fuzzing, and ETH or unknown calls revert.\n\n**One informational finding, no proof attached.** The approve function overwrites allowances, so a spender can front-run a lowered approval and spend both the old and new amounts. I reproduced the sequence in a scratch test: approve 100, spender pulls 100, owner approves 50, spender pulls 50 more. This is the standard ERC-20 property, identical to OpenZeppelin v5, and the README calls the token a plain ERC-20, so I recorded it as a trust assumption for integrators rather than something the author must fix.\n\n**Coverage record:** all three entry points answered, plus six invariant rows. The protected launch tests could not be run here because they need the floor's library sources and environment variables that are not in this tree, so my launch-flow row rests on source and bytecode review rather than on executing them.","treeHash":null,"usage":{"cachedInputTokens":1064697,"inputTokens":546,"model":"claude-fable-5-1","outputTokens":11773,"runtime":"claude","turns":18,"wallClockMs":201000}},{"artifacts":[],"attempt":1,"bundleHash":"f6cae24e5cd10b79968366d5ca48c7877abb9579a120c2f2ec97561878c9b3b8","device":"7e64d4917fa814e6","findings":[],"hash":"0c497536279728348e97c1cfffaf6443cb61ba7b044073bdd5a245fa8a204d89","nodeId":"7578feba-f5e6-4c79-b35b-a50959b1f407","outcome":"completed","summary":"Done. I wrote launch.json for the yolo (YOLO) custom token launch and verified it.\n\n**What the manifest contains**\n- Kind \"custom_token\", token contract YoloToken, name \"yolo\", symbol \"YOLO\", 18 decimals.\n- Empty constructorArgs, since the accepted constructor takes no parameters and mints the whole supply to msg.sender.\n- totalSupply set to the exact minted amount in minor units, one billion times ten to the eighteenth.\n- Empty contracts list, since the accepted tree holds only the token and no application contracts.\n- Pool and economics copied exactly as the launch gives them: IMD pair address, fee 12500, tick spacing 60, the one-to-one provenance price, and the requester's verbatim economics object.\n- Notes under 4000 characters describing the token's fixed supply, lack of privileged functions, and that launch flows move exactly what they say.\n\n**Checks**\n- A JSON check confirmed only the schema's six top-level keys are present, the economics match verbatim, and the supply string equals the constructor's constant.\n- The build succeeded and all 11 tests passed with the verifier's fuzz seed.\n- Git status shows launch.json as the only new or changed file.","treeHash":"2fa967f35969d1420b330dbe27379d55b241a35e","usage":{"cachedInputTokens":169177,"inputTokens":130,"model":"claude-fable-5-1","outputTokens":2578,"runtime":"claude","turns":9,"wallClockMs":37207}},{"artifacts":[],"attempt":1,"bundleHash":null,"device":"feba2a869621cab2","findings":[{"citation":"resolved","description":"Boundary (zero input x sentinel address). _transfer rejects a zero receiver but never rejects a zero sender. transferFrom(from, to, value) with value == 0 passes the allowance check (allowed 0 is not < 0) and the balance check (bal 0 is not < 0) for any from, including address(0), and then emits Transfer(from, to, 0). The constructor is the only intended emitter of Transfer(address(0), ...), which is the ERC-20 mint event shape; after launch any EOA can emit that same event with value 0 for any recipient. Balances and totalSupply are unaffected, so there is no loss of funds; the impact is on off-chain consumers that index Transfer-from-zero as mints (phantom zero-value mint entries, extra event noise). The OpenZeppelin reference reverts with ERC20InvalidSender for from == address(0); this contract already follows that convention on the receiver and spender side, so the missing sender check is an inconsistency rather than a design choice. Minimal fix: in _transfer add `if (from == address(0)) revert InvalidSender(from);` (new error), which preserves every intended behaviour including zero-value transfers between real accounts.","line":56,"path":"src/YoloToken.sol","reproduction":"State: fresh YoloToken deployed by F. Call: any address A (no allowance, no balance) calls token.transferFrom(address(0), B, 0). Expected: revert (invalid sender), as the contract does for a zero receiver. Actual: returns true and emits Transfer(from=0x0000000000000000000000000000000000000000, to=B, value=0); balanceOf(B) stays 0 and totalSupply stays 1000000000000000000000000000. Verified with a Foundry test using vm.expectEmit(true,true,true,true,address(token)) for Transfer(address(0), B, 0) followed by vm.prank(A); token.transferFrom(address(0), B, 0) — passes on current code. Any nonzero value on this path reverts with InsufficientBalance(0x0, 0, value), so only the zero-value event is reachable.","severity":"low","snippet":"        if (to == address(0)) revert InvalidReceiver(to);\n        uint256 bal = balanceOf[from];\n        if (bal < value) revert InsufficientBalance(from, bal, value);","title":"Zero-value transferFrom accepts address(0) as sender, so anyone can emit a mint-shaped Transfer(0x0, to, 0) event"}],"hash":"2c1d4ba8028b67e5884d33011999f321b32ad97ca192b996bda9664fbdc26bad","nodeId":"08586233-d734-456c-9ff7-0241c139ce7a","outcome":"completed","summary":"The review is complete. The findings file is written and the tree is otherwise unchanged.\n\n**Outcome.** The math in `src/YoloToken.sol` holds. The token has no divisions, no scale conversions, no external calls and no payable paths, so the Math Precision and Numerical Gap checklists reduce to the two unchecked blocks and the constant supply. One low-severity boundary defect is reported.\n\n**What I verified, with Foundry tests under test/scratch (removed afterwards):**\n- The unchecked subtraction in `_transfer` is guarded by the balance check, and the unchecked addition cannot wrap because the sum of balances always equals the 1e27 supply. An invariant run with a four-actor handler driving transfer, approve and transferFrom never broke that sum.\n- Self-transfer of the full balance, moving the whole supply, a transfer of max uint, and zero-value transfers all behave as intended.\n- The infinite-allowance sentinel is correct at max, at max minus one, at an allowance exactly equal to the value, and when the allowance exceeds the balance. Reverts are atomic.\n- The supply constant equals the manifest's minor units, and the factory's share arithmetic divides exactly with no truncation or intermediate overflow.\n- The existing test suite passes, and both static-analysis lines are gas notes, not defects.\n\n**Finding (low).** Any caller can run transferFrom with address(0) as the sender and a zero value. The allowance and balance checks both pass at zero, so the call succeeds and emits a mint-shaped Transfer event from the zero address. Balances and supply are untouched. The contract rejects a zero receiver and a zero spender but not a zero sender, so the fix is one extra revert in `_transfer`.\n\n**Coverage.** All three entry points have rows: approve and transfer hold, transferFrom carries the finding. Four additional rows record the invariants checked. Nothing in my area was left unreached. No launch.json exists in the tree yet, so there was no manifest to check.","treeHash":null,"usage":{"cachedInputTokens":596300,"inputTokens":322,"model":"claude-fable-5-1","outputTokens":12183,"runtime":"claude","turns":16,"wallClockMs":201290}},{"artifacts":[],"attempt":1,"bundleHash":"1a57c8ad648c5fd8d3fd5cd6f413ba08eca67ff3640e762d4a789e584d3f7922","device":"dedd4428da8fa41e","findings":[],"hash":"8ae6d4b06d5cb3d385db0e52d23985463fdb526727c51f2b19713485604d55bc","nodeId":"2065821b-91ac-4648-a505-fe2a91fafc23","outcome":"completed","summary":"I've built the yolo (YOLO) token as `contract YoloToken` in `src/YoloToken.sol`. It builds, all 11 tests pass (including the fuzz test with the required seed), and `forge fmt --check` is clean. I couldn't commit it, though: this machine has no git author identity set, and I didn't create one. The files are staged but not committed.\n\n- **The token:** name `yolo`, symbol `YOLO`, 18 decimals, and a supply of 1,000,000,000 minted once to the deployer in the constructor. It has no owner, mint, burn, fee or pause, and takes no constructor arguments. The contract is self-contained; the only dependency, forge-std (used by the tests), is copied into `lib/forge-std` as ordinary files.\n- **Configuration:** `foundry.toml` pins solc 0.8.26 with `bytecode_hash = \"none\"` and the optimizer on.\n- **Tests (`test/YoloToken.t.sol`):** they cover name, symbol and supply, the mint event, transfers, approvals, the unlimited-allowance case, failures (too little balance or allowance, sending to the zero address, approving the zero address), the absence of any mint function, and a fuzz test that the supply never changes.\n- **README:** covers behaviour, deployment parameters, the launch terms and assumptions. Nothing needs setting after launch.\n- **Not run:** I didn't run the launch's own token checks (`Token.protected.t.sol`) against this contract. They need launch values and contracts that aren't in this repository.\n\nTo finish, someone with the right identity needs to run `git commit` in the repository, or the next step can pick up the staged files.","treeHash":"459b47919906b013b91767a03c85636f40ca246d","usage":{"cachedInputTokens":327732,"inputTokens":16,"model":"claude-opus-5-5","outputTokens":5488,"runtime":"claude","turns":9,"wallClockMs":57593}},{"artifacts":[],"attempt":1,"bundleHash":null,"device":"410247426ec5a6df","findings":[],"hash":"9f56fcb61ef9d7e97e7f604f8049c2ee408b074325bec5bc4a94998507df0486","nodeId":"6fcdb706-cdd8-496a-826b-e58b63735998","outcome":"completed","summary":"The review is complete. The findings file is written and valid, and the scratch test directory is removed.\n\n**Outcome: no defects found in the Economic Security, Invariant and Flow Gap areas.** The file `.imd-findings.json` holds an empty findings list and six coverage rows, all `holds`.\n\n**What was checked**\n- **Economic Security:** the token has no external dependencies, no oracle, no callbacks and no privileged role. It is not fee-on-transfer, rebasing, pausable or blacklistable, so every integrator receives exactly the amount sent. Both transfer functions return true and revert on failure, so void-return and silent-failure patterns do not apply. Sentinel inputs (zero receiver, zero spender) revert as in OpenZeppelin v5.\n- **Invariant:** sum of balances equals total supply, which is fixed at one billion tokens and written only in the constructor. A Foundry invariant run of 128,000 randomized transfer, approve and transferFrom calls never broke it. Self-transfer and zero-value transfer leave balances intact. The unchecked arithmetic cannot overflow because all balances are bounded by the fixed supply.\n- **Flow Gap:** the launch flows (factory to distributor, distributor to claimant, factory to PoolManager for the seed, trader buy and sell) move exact amounts with zero residue. The reachable runtime contains no DELEGATECALL, CALLCODE or SELFDESTRUCT, matching the protected floor's opcode scan.\n\n**Not reported as findings, for the record**\n- The standard ERC-20 approve front-running race exists, as it does in every plain ERC-20 including OpenZeppelin's. It is a spec-level limitation, not a defect of this code, and the README states the token is a plain ERC-20.\n- Aderyn's two low notes (large numeric literal, `totalSupply` could be immutable) are style and gas observations with no behavioral effect.\n\n**Limits:** the protected launch test needs Uniswap v4 core, which is not vendored here, so I reproduced its flow checks with plain transfers and a transferFrom by a spender standing in for the PoolManager rather than running it against the real v4 manager.","treeHash":null,"usage":{"cachedInputTokens":648949,"inputTokens":354,"model":"claude-fable-5-1","outputTokens":9173,"runtime":"claude","turns":13,"wallClockMs":169633}},{"artifacts":[],"attempt":1,"bundleHash":null,"device":"78d8eb9b16352a18","findings":[{"citation":"resolved","description":"Execution Trace / sentinel check: _transfer rejects the zero address as receiver but not as sender, and transferFrom only compares the allowance against value. With value == 0 both guards pass for from == address(0): allowance[0][caller] is 0, 0 < 0 is false, bal 0 < 0 is false, so the call succeeds and emits Transfer(address(0), to, 0). EIP-20 reserves a Transfer whose from is 0x0 as the mint signal, and the OpenZeppelin reference reverts with ERC20InvalidSender here. No balance or totalSupply changes (the scratch invariant run confirms sum-of-balances == 1e27 and balanceOf(0) == 0 under random transfer/transferFrom sequences), and a non-zero value from address(0) reverts with InsufficientAllowance. The impact is confined to off-chain consumers that index mint events by the zero sender without checking value, so this is informational, not a loss or a launch-floor defect. Minimal fix that preserves intended behaviour: add `if (from == address(0)) revert InvalidSender(from);` at the top of _transfer (or at the top of transferFrom).","line":55,"path":"src/YoloToken.sol","reproduction":"State: fresh YoloToken, any caller A (e.g. 0xBEEF) with no balance or allowance. Call: vm.prank(A); token.transferFrom(address(0), A, 0). Expected (per EIP-20 mint semantics and the OZ reference): revert with an invalid-sender error. Actual: returns true and emits Transfer(from=0x0000000000000000000000000000000000000000, to=0xBEEF, value=0); totalSupply stays 1000000000000000000000000000 and balanceOf(A) stays 0. Verified with a scratch Foundry test using vm.recordLogs: exactly one log, topic0 == keccak256('Transfer(address,address,uint256)'), topic1 == address(0), topic2 == A, data == 0. Control: transferFrom(address(0), A, 1) reverts with InsufficientAllowance(A, 0, 1).","severity":"info","snippet":"    function _transfer(address from, address to, uint256 value) private {\n        if (to == address(0)) revert InvalidReceiver(to);","title":"transferFrom accepts from == address(0), so any caller can emit a mint-shaped Transfer(0x0, to, 0) event"}],"hash":"a4708ff72fd1551d154e1431f14c66da6dcbec773eff428ac71e5cb8b5908f4e","nodeId":"20aaf42f-99a5-48ea-9a4e-d696846aac36","outcome":"completed","summary":"Review complete. The findings file is written and validated, the snippet matches the tree at `src/YoloToken.sol:55`, and the scratch tests are removed.\n\n**Result: no loss-of-funds or launch-floor defects.** `YoloToken` is a 65-line fixed-supply ERC-20 with no owner, mint, burn, fee, pause or blacklist surface, and nothing in the Execution Trace, Periphery or First Principles guides reaches it.\n\n**One informational finding, reproduced.** `transferFrom(address(0), to, 0)` succeeds from any caller and emits a mint-shaped `Transfer(0x0, to, 0)` event. EIP-20 reserves a zero sender for mints and the OpenZeppelin reference rejects it. No balance or supply changes, and a non-zero value from the zero address reverts, so the impact is confined to off-chain indexers that trust the zero sender without checking value. The minimal fix is a sender-zero check in `_transfer`.\n\n**What was checked, all passing:**\n- Project build, the 11 existing tests, and `forge fmt --check`.\n- Every entry point the verifier listed, traced through its guards, state writes and revert paths.\n- A stateful invariant run over random transfer, approve and transferFrom sequences: sum of balances equals the 1e27 supply, the zero address never holds a balance, allowance decrements and the infinite-allowance sentinel behave as documented.\n- A launch-flow simulation with Uniswap v4 style return-value checks: factory to distributor to claimant, factory to pool manager, and trader buy and sell each move exactly the stated amount.\n- An opcode walk of the compiled runtime using the protected test's reachability rule: no reachable DELEGATECALL, CALLCODE or SELFDESTRUCT.\n- Supply, decimals and name/symbol constants against the brief and the manifest figure.\n\n**Not reviewable:** no launch.json exists in the tree yet, so manifest content was not checked. The two aderyn lines (large literal, variable could be immutable) are gas and style only and were not reported. The approve front-running race is inherent to the ERC-20 interface and was not reported.","treeHash":null,"usage":{"cachedInputTokens":661537,"inputTokens":322,"model":"claude-fable-5-1","outputTokens":13897,"runtime":"claude","turns":25,"wallClockMs":241831}},{"artifacts":[],"attempt":1,"bundleHash":"2ce3f550f532148e28877f0dec767fd7e69c8d8df349188bba5054487e552cf9","device":"a315ee4cb81c640c","findings":[],"hash":"e2bfe72ee25683371fe99092d665806abccb0a10b5a8596935d8aeb918f2d857","nodeId":"ec6a9d47-6d89-4685-bebe-a68859dc97f2","outcome":"completed","summary":"I added two test files to go with the existing `test/YoloToken.t.sol`. `forge build` succeeds, and `forge test` with the verifier's seed passes all 46 tests: the original 11, 34 new ones and one invariant suite.\n\n**`test/YoloTokenEdges.t.sol`** (34 tests)\n- **Failure paths:** sending one wei more than a balance, more than the whole supply, or the maximum possible amount; sending to the zero address, including an amount of zero; spending with no allowance, one over the allowance, or someone else's allowance; and an unlimited allowance that is still capped by the balance. Each of these checks the exact error and arguments, and that a failed spend leaves the allowance unchanged.\n- **Edge cases:** transfers of zero and of the whole supply, sending to yourself, sending to the token contract itself, and approving yourself as spender. Also that an approval of max−1 is reduced while an unlimited one is not, that `transferFrom` emits no `Approval` event, and that the contract refuses ETH.\n- **No admin powers:** calls to mint, burn, owner, pause, blacklist, fee and permit functions all revert, and the supply stays the same.\n- **Fuzz tests (1000 runs each, inputs set with `bound`):** transfers move exactly the amount sent, transfers over the balance revert, `transferFrom` spends the allowance exactly, spends over the allowance revert, an unlimited allowance is never reduced, and `approve` sets exactly the value given.\n\n**`test/YoloTokenInvariant.t.sol`**\nA handler makes random calls (transfer, approve with fixed or unlimited amounts, transferFrom, and transfers to the zero address) from five accounts, with amounts that sometimes go one over the limit. It tracks what the balances and allowances should be. It ran 256 runs × 64 calls, and these held after every call:\n- the total supply stays fixed at 1,000,000,000e18;\n- the five accounts' balances add up to the supply, and the zero address holds nothing;\n- every balance and allowance matches what the handler expected;\n- every call either succeeded or failed exactly as the rules say, with the exact error.\n\n**Findings:** none, so I didn't write `.imd-findings.json`. The contract is a plain fixed-supply ERC-20 with no owner, mint, burn, fee or pause, and none of the tests found a defect. Tokens sent to the token's own address stay there for good because there is no way to recover them; I tested that the supply is unaffected and don't count it as a defect.\n\n**Not committed:** `git commit` failed because this machine has no git user name or email set. I didn't change the git configuration, so both files are staged but not committed.","treeHash":"251bbe9544784a34a69c4e63162126ac78c8290f","usage":{"cachedInputTokens":211412,"inputTokens":12,"model":"claude-opus-5-5","outputTokens":11625,"runtime":"claude","turns":7,"wallClockMs":136758}},{"artifacts":[],"attempt":1,"bundleHash":null,"device":"de319b702da6aa2e","findings":[{"citation":"resolved","description":"Merged from audit_flow (info) and audit_math (low): same root cause. _transfer rejects a zero receiver but never a zero sender, and transferFrom only compares allowance[from][msg.sender] against value. With value == 0 both checks pass for from == address(0) (allowed 0 < 0 is false; bal 0 < 0 is false), so the call succeeds and emits Transfer(address(0), to, 0), the ERC-20 mint event shape that otherwise only the constructor emits. No balance, allowance or totalSupply changes; any nonzero value from address(0) reverts. Impact is limited to off-chain indexers that treat Transfer-from-zero as a mint without checking value, so this is informational and not a launch-floor defect. Minimal fix: add `if (from == address(0)) revert InvalidSender(from);` (new error) at the top of _transfer; zero-value transfers between real accounts keep working.","line":56,"path":"src/YoloToken.sol","reproduction":"Fresh YoloToken deployed by F. vm.prank(0xBEEF); token.transferFrom(address(0), 0xBEEF, 0). Expected (OZ v5 convention, and symmetric with the existing receiver check): revert. Actual: returns true and emits Transfer(from=0x0, to=0xBEEF, value=0) (checked with vm.expectEmit(true,true,true,true,address(token))); totalSupply stays 1000000000000000000000000000, balanceOf(0xBEEF) stays 0. Control: transferFrom(address(0), 0xBEEF, 1) reverts with InsufficientAllowance(0xBEEF, 0, 1). Reproduced locally with a scratch forge test (PASS on current code).","severity":"info","snippet":"        if (to == address(0)) revert InvalidReceiver(to);","title":"Zero-value transferFrom accepts address(0) as sender, letting anyone emit a mint-shaped Transfer(0x0, to, 0)"}],"hash":"f77eb4f60fd163d26196128bcac1dc21b9add7f1f845d3a9428d7bd886751970","nodeId":"7591b75b-3e2a-4da4-9b9b-4c03ced07b36","outcome":"completed","summary":"I finished the review and wrote the results to `.imd-findings.json`. It contains one finding, rated info, and a coverage row for each of the three entry points. I didn't edit any repository files. The scratch test I wrote under `test/scratch/` has been deleted. The other untracked entries in `git status` (`.bashrc`, `.idea`, `.claude/agents` and so on) are placeholder files the sandbox created, not real changes.\n\n**What I checked:** I read `src/YoloToken.sol`, a plain fixed-supply ERC-20, and `launch.json`. The full test suite passes (46 tests, including the invariant run). The supply is exactly 1e27, minted once to `msg.sender` in the constructor. There is no owner, mint, burn, fee, pause or blacklist. The manifest has `constructorArgs: []` for the no-argument constructor, and its `totalSupply` and `decimals` match the contract. Nothing blocks deployment: the contract is small and needs no particular address.\n\n**Specialist findings:**\n1. **Zero sender in `transferFrom` (audit_flow, rated info, and audit_math, rated low).** These are the same issue, so I merged them and kept it as info. Anyone can call `transferFrom(address(0), to, 0)`. It succeeds and emits `Transfer(0x0, to, 0)`, which looks like a mint, because the check at `src/YoloToken.sol:56` rejects only a zero receiver, not a zero sender. A scratch Foundry test confirmed it on the current code: the event is emitted and the supply doesn't change. With value 1 the call reverts with `InsufficientAllowance`. No funds are affected; it could only confuse off-chain tools that count transfers from the zero address as mints. The fix is one line: add an `InvalidSender` check at the top of `_transfer`.\n2. **`approve` front-running race (audit_permissions, info).** Dropped. Replacing an allowance outright is how the ERC-20 standard and OpenZeppelin define `approve`, so it's expected behaviour, not a defect in this code.\n\n**Coverage:**\n- `approve` and `transfer`: holds.\n- `transferFrom`: finding 1.\n- Two invariants I also checked: the supply is fixed and minted to the factory, and every launch transfer moves the exact amount. Both hold.\n\nI found nothing the specialists missed. The two static-analysis warnings are only style suggestions.","treeHash":null,"usage":{"cachedInputTokens":286329,"inputTokens":14,"model":"claude-opus-5-5","outputTokens":4417,"runtime":"claude","turns":7,"wallClockMs":66723}}],"verification":[{"checks":[{"durationMs":1283,"exitCode":0,"name":"build","output":"Compiling 25 files with Solc 0.8.26\nSolc 0.8.26 finished in 1.17s\nCompiler run successful!\n","passed":true},{"durationMs":127,"exitCode":0,"name":"test","output":"No files changed, compilation skipped\n\nRan 11 tests for test/YoloToken.t.sol:YoloTokenTest\n[PASS] testFuzz_transferConservesSupply(address,uint256) (runs: 256, μ: 90214, ~: 92082)\nLogs:\n  Bound result 92984439676786098431550541\n\n[PASS] test_approveAndTransferFrom() (gas: 139608)\n[PASS] test_approveZeroSpenderReverts() (gas: 32785)\n[PASS] test_constructorEmitsMint() (gas: 5464)\n[PASS] test_infiniteAllowanceNotDecremented() (gas: 122040)\n[PASS] test_metadataAndSupply() (gas: 49597)\n[PASS] test_noMintEntryPoint() (gas: 37700)\n[PASS] test_transfer() (gas: 82483)\n[PASS] test_transferFromOverAllowanceReverts() (gas: 86846)\n[PASS] test_transferInsufficientReverts() (gas: 37388)\n[PASS] test_transferToZeroReverts() (gas: 32872)\nSuite result: ok. 11 passed; 0 failed; 0 skipped; finished in 7.84ms (10.24ms CPU time)\n\nRan 1 test suite in 8.54ms (7.84ms CPU time): 11 tests passed, 0 failed, 0 skipped (11 total tests)\n","passed":true},{"durationMs":56,"exitCode":0,"name":"source-index","output":"{\"v\":1,\"entryPoints\":[\"YoloToken.approve(address,uint256)\",\"YoloToken.transfer(address,uint256)\",\"YoloToken.transferFrom(address,address,uint256)\"],\"files\":{\"README.md\":25,\"foundry.toml\":8,\"launch.json\":24,\"remappings.txt\":1,\"src/YoloToken.sol\":65,\"test/YoloToken.t.sol\":100},\"excluded\":[\"lib/\",\"node_modules/\"],\"truncated\":false}","passed":true}],"detail":"all checks passed","evaluation":"checks","profile":"foundry","status":"accepted","submissionHash":"0c497536279728348e97c1cfffaf6443cb61ba7b044073bdd5a245fa8a204d89","verifiedTreeHash":"2fa967f35969d1420b330dbe27379d55b241a35e","verifierVersion":"0.1.0+a26ee00d"},{"checks":[{"durationMs":840,"exitCode":0,"name":"build","output":"Compiling 25 files with Solc 0.8.26\nSolc 0.8.26 finished in 756.76ms\nCompiler run successful!\n","passed":true},{"durationMs":113,"exitCode":0,"name":"test","output":"No files changed, compilation skipped\n\nRan 11 tests for test/YoloToken.t.sol:YoloTokenTest\n[PASS] testFuzz_transferConservesSupply(address,uint256) (runs: 256, μ: 90214, ~: 92082)\nLogs:\n  Bound result 92984439676786098431550541\n\n[PASS] test_approveAndTransferFrom() (gas: 139608)\n[PASS] test_approveZeroSpenderReverts() (gas: 32785)\n[PASS] test_constructorEmitsMint() (gas: 5464)\n[PASS] test_infiniteAllowanceNotDecremented() (gas: 122040)\n[PASS] test_metadataAndSupply() (gas: 49597)\n[PASS] test_noMintEntryPoint() (gas: 37700)\n[PASS] test_transfer() (gas: 82483)\n[PASS] test_transferFromOverAllowanceReverts() (gas: 86846)\n[PASS] test_transferInsufficientReverts() (gas: 37388)\n[PASS] test_transferToZeroReverts() (gas: 32872)\nSuite result: ok. 11 passed; 0 failed; 0 skipped; finished in 3.90ms (4.80ms CPU time)\n\nRan 1 test suite in 4.35ms (3.90ms CPU time): 11 tests passed, 0 failed, 0 skipped (11 total tests)\n","passed":true},{"durationMs":58,"exitCode":0,"name":"source-index","output":"{\"v\":1,\"entryPoints\":[\"YoloToken.approve(address,uint256)\",\"YoloToken.transfer(address,uint256)\",\"YoloToken.transferFrom(address,address,uint256)\"],\"files\":{\"README.md\":25,\"foundry.toml\":8,\"remappings.txt\":1,\"src/YoloToken.sol\":65,\"test/YoloToken.t.sol\":100},\"excluded\":[\"lib/\",\"node_modules/\"],\"truncated\":false}","passed":true},{"durationMs":321,"exitCode":0,"name":"slither","output":"slither: no results at low impact or above","passed":true},{"durationMs":225,"exitCode":0,"name":"aderyn","output":"[low] large-numeric-literal at src/YoloToken.sol:11: Large Numeric Literal\n[low] state-variable-could-be-immutable at src/YoloToken.sol:13: State Variable Could Be Immutable","passed":true}],"detail":"all checks passed","evaluation":"checks","profile":"foundry","status":"accepted","submissionHash":"8ae6d4b06d5cb3d385db0e52d23985463fdb526727c51f2b19713485604d55bc","verifiedTreeHash":"459b47919906b013b91767a03c85636f40ca246d","verifierVersion":"0.1.0+a26ee00d"},{"checks":[{"durationMs":1354,"exitCode":0,"name":"build","output":"Compiling 27 files with Solc 0.8.26\nSolc 0.8.26 finished in 1.28s\nCompiler run successful!\n","passed":true},{"durationMs":5292,"exitCode":0,"name":"test","output":"No files changed, compilation skipped\n\nRan 11 tests for test/YoloToken.t.sol:YoloTokenTest\n[PASS] testFuzz_transferConservesSupply(address,uint256) (runs: 256, μ: 90946, ~: 92082)\nLogs:\n  Bound result 749114718108755721414900802\n\n[PASS] test_approveAndTransferFrom() (gas: 139608)\n[PASS] test_approveZeroSpenderReverts() (gas: 32785)\n[PASS] test_constructorEmitsMint() (gas: 5464)\n[PASS] test_infiniteAllowanceNotDecremented() (gas: 122040)\n[PASS] test_metadataAndSupply() (gas: 49597)\n[PASS] test_noMintEntryPoint() (gas: 37700)\n[PASS] test_transfer() (gas: 82483)\n[PASS] test_transferFromOverAllowanceReverts() (gas: 86846)\n[PASS] test_transferInsufficientReverts() (gas: 37388)\n[PASS] test_transferToZeroReverts() (gas: 32872)\nSuite result: ok. 11 passed; 0 failed; 0 skipped; finished in 26.86ms (28.26ms CPU time)\n\nRan 34 tests for test/YoloTokenEdges.t.sol:YoloTokenEdgesTest\n[PASS] testFuzz_approveSetsExactValue(address,uint256,uint256) (runs: 1000, μ: 105963, ~: 106158)\n[PASS] testFuzz_infiniteAllowanceIsNeverSpent(uint256,uint256) (runs: 1000, μ: 216842, ~: 218680)\nLogs:\n  Bound result 18\n  Bound result 12208\n\n[PASS] testFuzz_transferFromOverAllowanceReverts(uint256,uint256) (runs: 1000, μ: 114332, ~: 114863)\nLogs:\n  Bound result 999999999999999999999999900\n  Bound result 999999999999999999999999961\n\n[PASS] testFuzz_transferFromSpendsAllowance(uint256,uint256) (runs: 1000, μ: 155487, ~: 157703)\nLogs:\n  Bound result 115792089237316195423570985008687907853269984665640564039457584007913129639932\n  Bound result 210658714802786515925495106\n\n[PASS] testFuzz_transferMovesExactly(address,uint256,uint256) (runs: 1000, μ: 173570, ~: 176809)\nLogs:\n  Bound result 641604808189166391424971697\n  Bound result 2\n\n[PASS] testFuzz_transferOverBalanceReverts(uint256,uint256) (runs: 1000, μ: 99038, ~: 99795)\nLogs:\n  Bound result 999999999999999999999999900\n  Bound result 115792089237316195423570985008687907853269984665639564039457584007913129693296\n\n[PASS] test_allowanceMaxMinusOneIsDecremented() (gas: 125473)\n[PASS] test_approveEmitsAndOverwrites() (gas: 153041)\n[PASS] test_approveIsPerOwnerSpenderPair() (gas: 79741)\n[PASS] test_approveSelfAsSpender() (gas: 130613)\n[PASS] test_approveWithoutBalanceIsAllowed() (gas: 104724)\n[PASS] test_eachDeploymentMintsToItsOwnDeployer() (gas: 34569)\n[PASS] test_infiniteAllowanceCannotExceedBalance() (gas: 89990)\n[PASS] test_noAdminOrSupplyChangingEntryPoints() (gas: 315968)\n[PASS] test_ownerCannotTransferFromSelfWithoutAllowance() (gas: 37978)\n[PASS] test_rejectsEther() (gas: 38768)\n[PASS] test_selfTransferKeepsBalance() (gas: 45635)\n[PASS] test_selfTransferOverBalanceReverts() (gas: 35845)\n[PASS] test_spenderCannotUseAnotherSpendersAllowance() (gas: 87137)\n[PASS] test_totalSupplyConstantMatchesState() (gas: 44909)\n[PASS] test_transferEmitsEvent() (gas: 66302)\n[PASS] test_transferFromDoesNotEmitApproval() (gas: 121493)\n[PASS] test_transferFromExactAllowance() (gas: 157374)\n[PASS] test_transferFromOverBalanceRevertsAndKeepsAllowance() (gas: 166672)\n[PASS] test_transferFromToZeroRevertsAndKeepsAllowance() (gas: 107784)\n[PASS] test_transferFromWithoutAllowanceReverts() (gas: 44966)\n[PASS] test_transferFromZeroWithoutAllowanceSucceeds() (gas: 52261)\n[PASS] test_transferMaxUintReverts() (gas: 37914)\n[PASS] test_transferMoreThanSupplyReverts() (gas: 37900)\n[PASS] test_transferOneMoreThanBalanceReverts() (gas: 111435)\n[PASS] test_transferToTokenContractIsAccepted() (gas: 77898)\n[PASS] test_transferWholeSupply() (gas: 87732)\n[PASS] test_transferZeroAmountToZeroAddressReverts() (gas: 32846)\n[PASS] test_transferZeroSucceedsAndEmits() (gas: 62493)\nSuite result: ok. 34 passed; 0 failed; 0 skipped; finished in 52.20ms (309.00ms CPU time)\n\nRan 1 test for test/YoloTokenInvariant.t.sol:YoloTokenInvariantTest\n[PASS]\nYoloTokenInvariantTest invariants:\n[PASS] invariant_allowancesMatchGhost\n[PASS] invariant_balancesMatchGhost\n[PASS] invariant_balancesSumToSupply\n[PASS] invariant_everyCallBehavedAsSpecified\n[PASS] invariant_totalSupplyIsFixed\n YoloTokenInvariantTest invariants (runs: 256, calls: 16384, reverts: 0)\n\n╭-------------+----------------+-------+---------+----------╮\n| Contract    | Selector       | Calls | Reverts | Discards |\n+===========================================================+\n| YoloHandler | approve        | 4091  | 0       | 0        |\n|-------------+----------------+-------+---------+----------|\n| YoloHandler | transfer       | 4006  | 0       | 0        |\n|-------------+----------------+-------+---------+----------|\n| YoloHandler | transferFrom   | 4204  | 0       | 0        |\n|-------------+----------------+-------+---------+----------|\n| YoloHandler | transferToZero | 4083  | 0       | 0        |\n╰-------------+----------------+-------+---------+----------╯\n\nLogs:\n  Bound result 1\n  Bound result 1\n  Bound result 0\n  Bound result 0\n  Bound result 933000249551666048529801906\n  Bound result 2\n  Bound result 0\n  Bound result 0\n  Bound result 0\n  Bound result 1\n  Bound result 999999999999999999999999999\n  Bound result 0\n  Bound result 0\n  Bound result 16490193092365\n  Bound result 0\n  Bound result 0\n  Bound result 1\n  Bound result 64199\n  Bound result 1\n  Bound result 10\n  Bound result 0\n  Bound result 1\n  Bound result 0\n  Bound result 999999999999983509806907633\n  Bound result 2\n  Bound result 254965919179638877150032583\n  Bound result 1\n  Bound result 2\n  Bound result 1064470261\n  Bound result 1\n  Bound result 5915\n  Bound result 0\n  Bound result 0\n  Bound result 0\n  Bound result 0\n  Bound result 1\n  Bound result 4095\n  Bound result 11\n  Bound result 7340\n  Bound result 0\n  Bound result 4563\n  Bound result 0\n  Bound result 827905\n  Bound result 0\n  Bound result 0\n  Bound result 1\n  Bound result 1\n\nSuite result: ok. 1 passed; 0 failed; 0 skipped; finished in 5.20s (5.19s CPU time)\n\nRan 3 test suites in 5.20s (5.27s CPU time): 46 tests passed, 0 failed, 0 skipped (46 total tests)\n","passed":true},{"durationMs":40,"exitCode":0,"name":"source-index","output":"{\"v\":1,\"entryPoints\":[\"YoloToken.approve(address,uint256)\",\"YoloToken.transfer(address,uint256)\",\"YoloToken.transferFrom(address,address,uint256)\"],\"files\":{\"README.md\":25,\"foundry.toml\":8,\"remappings.txt\":1,\"src/YoloToken.sol\":65,\"test/YoloToken.t.sol\":100,\"test/YoloTokenEdges.t.sol\":367,\"test/YoloTokenInvariant.t.sol\":189},\"excluded\":[\"lib/\",\"node_modules/\"],\"truncated\":false}","passed":true}],"detail":"all checks passed","evaluation":"checks","profile":"foundry","status":"accepted","submissionHash":"e2bfe72ee25683371fe99092d665806abccb0a10b5a8596935d8aeb918f2d857","verifiedTreeHash":"251bbe9544784a34a69c4e63162126ac78c8290f","verifierVersion":"0.1.0+a26ee00d"}]}