Implemented IFO with 18 decimals and a fixed supply of 1,000,000,000 tokens, minted once to the deployer. Included vendored dependencies, tests, and deployment documentation.

Verification passed:

• forge build
• forge test: 31 tests passed
• forge fmt --check
• Clean offline build and tests with an empty environment

I found no defects in the IFO token's economics, so .imd-findings.json has an empty findings list plus a coverage row for each of the three entry points.

What the code is: src/IFOToken.sol is a plain OpenZeppelin v5.1.0 ERC-20. Its constructor mints 10^27 (1,000,000,000 tokens with 18 decimals) once, to msg.sender, which is the factory at launch. It doesn't override _update and has no owner, mint, burn, pause, blacklist or upgrade function. The vendored OpenZeppelin files match the SHA-256 checksums listed in DEPENDENCIES.json, and I read _update to confirm it hasn't been changed.

Coverage (all holds):

• approve: the standard OpenZeppelin allowance behaviour. The usual risk of a spender racing an allowance change is an ordinary ERC-20 property, and the README documents it.
• transfer: the sender loses exactly what the recipient gains. With no tax, burn, rebase, limit or trading switch, every launch flow moves its full amount: the 10% swarm share to the distributor, the 80% pool seed (poolBps 8000) into the Uniswap v4 PoolManager, the 10% remainder, distributor claims, and buys and sells.
• transferFrom: the allowance is reduced by exactly the amount sent, and a maximum allowance is treated as unlimited. A failure reverts the whole call.
• Invariants: the supply stays at exactly 10^27 for good, nobody privileged can move or freeze a holder's balance, and the flows arrive exact. All three hold.

Checks run: the existing 31 local tests pass, including the fuzz tests and the stateful invariant. I didn't run the supplied protected harness, because the Uniswap v4 and launch contracts it imports aren't in this tree.

Static-analysis leads: Slither reported nothing. Aderyn's only lead, the large numeric literal 1_000_000_000 * 10 ** 18 at line 12, is the correct supply and not a defect.

The name "Initial Fee Offering" suggests a fee, but the brief asks for no fee mechanism and the code has none.

Created launch.json matching IFOToken, its empty constructor arguments, exact supply, and required pool/economics.

forge build succeeded; forge test passed all 31 tests. Only the manifest is changed for submission.

The review is complete. The findings file is at the repository root with an empty findings list and a seven-row coverage record. The scratch directory is removed and no project file was changed.

Result: no defects in the assigned area. The token is a bare OpenZeppelin v5.1.0 ERC-20 whose constructor mints a compile-time constant once to the deployer. Every failure mode in the Math Precision, Boundary and Numerical Gap guides is structurally absent, not just untriggered.

What I verified:

• Math. The only arithmetic is the supply literal, which evaluates to exactly 10^27, and one checked addition in the mint. There is no division, downcast, decimals conversion, fee or share formula anywhere. The inherited _update guards fromBalance < value before its unchecked subtraction, and the unchecked balance addition cannot wrap because the supply is fixed.
• Boundary. The runtime bytecode has no CALL, STATICCALL, DELEGATECALL, CALLCODE or SELFDESTRUCT. There is no payable function, fallback, receive, sentinel-address branch or decoded bytes input. Decimals are 18, matching the stated token and the IMD pair.
• Numerical seams. Scratch tests exercised 0, 1 wei, the whole supply, max uint256, self-transfer, max-minus-one allowance and a 512-run conservation fuzz. All passed, as did the project's 31 tests and its 256-run invariant.
• Dependencies. The vendored OpenZeppelin files hash to the values in DEPENDENCIES.json, and ERC20.sol and Context.sol match the raw upstream files at commit 69c8def. No submodule exists.

The aderyn large-literal lead is benign. Outside my area, the Uniswap v4 seed and swap flows were not executed locally because the protected harness needs the launch system's contracts, which are not in this tree. The token's fee-free transfers give those flows no token-side reason to arrive short.

The review is complete and .imd-findings.json holds the result. The working tree is otherwise unchanged.

Outcome: no permission defects. The token is an unmodified OpenZeppelin v5.1.0 ERC-20 with a constructor that mints exactly 1e27 units to its deployer. The compiled ABI exposes only approve, transfer and transferFrom as state-changing functions, with no receive or fallback. There is no owner, minter, pauser, blocklist, burnFrom, seize or upgrade path, so the Access Control, Trust Gap and Asymmetry checklists have nothing to attach to. I traced each entry point through the OZ internals, ran the project's 31 tests, and ran a scratch suite modelling the launch shape (a CREATE2 factory holding the supply, a stranger and the factory attempting to move a holder's balance, allowance pair symmetry, unknown selectors and ETH). Everything held.

One informational note recorded. Seven forge-std files under lib/ do not match the SHA-256 digests in DEPENDENCIES.json. The recorded digests equal the pinned upstream files. The vendored copies were re-wrapped by forge fmt afterward, so every difference is whitespace only. All OpenZeppelin files, including the production ERC20.sol, match exactly. This only affects the README's dependency-verification procedure for test-only files and carries no runtime impact, so it is filed as info with the exact reproduction command.

Coverage names all three listed entry points as holds, plus four invariant rows for the constructor mint, absence of hidden entry points, launch-flow requirements and the trust-gap seams. The static-analysis lead about the large numeric literal is the supply constant itself and is correct, so it was not promoted.

The review is complete. The findings file is in place, the scratch directory is removed, and the working tree has no stray files.

Outcome: no defects found in the assigned area. The IFO token is the unmodified OpenZeppelin v5.1.0 ERC-20 with a no-argument constructor that mints exactly 10^27 units to the deployer. Every Execution Trace, Periphery and First Principles failure mode I checked either does not apply or holds.

What I verified

• Execution trace. All three state-changing entry points were traced through the inherited base. Transfers deliver exact amounts with no fee, burn, hook or external call. Reverts leave no partial state. The factory cannot pull from a holder without allowance. There is no receive or fallback, so ether and unknown selectors revert.
• Periphery. The five vendored OpenZeppelin files are byte-identical to the pinned upstream commit, confirmed by fetching them and comparing SHA-256 digests. No local modification.
• First principles. Supply arithmetic equals 10^27 and matches the README's minor-unit figure. Decimals, name and symbol match the brief. Supply cannot grow after construction because mint and burn are internal only. The compiled runtime contains no DELEGATECALL, CALLCODE, SELFDESTRUCT, CALL or STATICCALL.
• Launch floor. A scratch Foundry test mirrored the protected harness's ERC-20 pieces: CREATE2 deployment from a factory address, the ten percent distributor transfer and claim arriving whole, pool-style in and out transfers, and a sweep of 22 privileged selectors from both the factory and a stranger. All passed. The existing 31-test suite including the invariant run also passes.

What the file reports

• One info entry only: the standard ERC-20 approval ordering race, with a concrete sequence. It is inherent to the standard, already documented in the README, and needs no fix. I recorded it because it is the one Execution Trace guide item that applies.
• Seven coverage rows: holds for approve, transfer, transferFrom, the constructor, the fixed-supply invariant, the opcode invariant and the vendored periphery.

Not reached. The live Uniswap v4 seed and swap in the protected harness cannot run here because the v4 and launch contracts are not in this tree. Since the token has no transfer hooks or exemptions, nothing in it can alter that flow, so I covered it with plain-transfer equivalents.

Added 15 adversarial tests and expanded invariants to cover 32,768 random calls, including failure paths, allowance rollback, and holder transferability.

Validation passed: clean offline forge build and all 46 tests. No defects found in these checks. All changes are under test/.

The review is complete and written to .imd-findings.json. The working tree is otherwise unchanged, and my scratch test directory is removed.

Outcome: no defect in the token itself. IFOToken is a seven-line wrapper over OpenZeppelin v5.1.0 ERC20 with an argument-free constructor minting the full supply to msg.sender. Its only state-changing entry points are approve, transfer and transferFrom, all unmodified. I confirmed the vendored OpenZeppelin files are byte-identical to the upstream commit, the manifest uses only schema keys and matches the code, creation and runtime bytecode are far under size limits, and the full suite of 46 tests passes, including the 256-run invariant.

Specialist findings, judged:

• Kept at low, from audit_permissions: seven vendored forge-std files fail the digest check that README.md promises. I reproduced the mismatch and fetched upstream myself: the recorded digests match upstream, and the vendored copies equal upstream once whitespace is stripped, so this is a post-hash reformat on test-only files. Production provenance holds. Raised from info to low because a documented verification procedure fails as shipped.
• Kept at info, from audit_flow: the ERC-20 approve ordering race. Reproduced with a scratch test executing the five-call trace. It is inherent to the standard, documented in the README, and touches no launch flow, so no fix is required.
• Added at info, mine: README.md line 93 says the repository deliberately provides no launch.json, but the manifest step committed one later. The manifest content agrees with the README table, so only the sentence is stale.

Coverage: all three entry points answered as holds, plus four invariant rows covering fixed supply, exact launch flows, factory deployability and manifest consistency. No duplicates existed across specialists, and nothing was dropped. No finding reached critical or high, so no proof files were attached.