Implemented Infinite Money Glitch (IMB): 1,000,000,000 tokens with 18 decimals, minted once to the deployer. Dependencies are vendored, and deployment assumptions and responsibilities are documented.

Validation passed:

• forge build
• forge test: 31 tests, including fuzz and invariant coverage
• forge fmt --check
• Forced offline rebuild and parallel tests with an empty environment

Protected pool integration checks require launch infrastructure not supplied in this assignment.

Created launch.json matching the accepted constructor, exact supply, and verbatim economics.

Validation passed against the supplied schema and constructor ABI. forge build succeeded; all 31 tests passed. Only launch.json is changed for submission.

The review is complete. No defects found in the math area, and .imd-findings.json holds an empty findings list with six coverage rows.

What I reviewed. The token is a 16-line subclass of the vendored OpenZeppelin v5.0.2 ERC20 with one constant and one constructor mint. I read the vendored ERC20 implementation line by line and checked it against the Math Precision, Boundary and Numerical Gap guides, then ran the existing 31-test suite plus nine scratch boundary probes. All passed. The scratch directory was removed afterward.

Math Precision. The only arithmetic is a checked add in the mint, a guarded unchecked subtraction and add in balance updates, and a guarded unchecked allowance decrement. The supply constant is a compile-time literal equal to exactly 10^27, matching the stated 1,000,000,000 tokens at 18 decimals. There is no division, scaling, downcast, or decimals conversion anywhere, so the guide's rounding, truncation and overflow items have no instance to apply to. The aderyn "large numeric literal" lead is that intended constant.

Boundary. No payable function, no external call, no bytes decoding, no receive or fallback. The only sentinel branches are the zero-address reverts, and both sides were walked. Probes confirmed that a transfer of the max uint256 or supply plus one reverts cleanly, a self-transfer of the whole supply nets to zero change, an allowance spent exactly to zero refuses the next wei, an allowance of max minus one is finite and decrements, and an unlimited allowance is still capped by the owner's balance.

Numerical Gap. With no fee, rebase, reflection or rounding, the supply-equals-sum-of-balances invariant has no precision seam. The repo's stateful invariant and a 512-run conservation fuzz both hold.

Coverage rows. All three verifier entry points are marked holds, plus rows for the constructor constant and two checked invariants.

The review is complete and .imd-findings.json holds the result. No source files were changed; the only new file in the tree is the findings report, and my scratch test directory was removed.

Outcome: no defects in the Economic Security, Invariant or Flow Gap areas. The token in src/InfiniteMoneyGlitch.sol is an unmodified OpenZeppelin v5.0.2 ERC20 with one constructor mint of 1e27 units to the deployer. There are no fees, exemptions, hooks, external calls, owner powers, or mint and burn entry points. The compiled ABI exposes only approve, transfer and transferFrom as state-changing functions.

What I verified, beyond reading the code against the three guides:

• Dependency integrity. The vendored ERC20.sol and Context.sol hash identically to the pinned upstream OpenZeppelin commit, and lib/ is tracked as 36 plain files with no submodules. A tampered _update was the only place a hidden tax or mint could live, and there is none.
• Conservation and supply. The project's own test suite passes, including the stateful invariant run with zero reverts. A scratch test confirmed the full launch flow shape, factory to distributor to claimant to a pool-like address and back, moves exact amounts and conserves the sum.
• Sentinels and admin surface. Zero-address transfer, approve and transferFrom paths revert. Common mint, burn, pause, freeze and upgrade selectors all revert from both deployer and stranger. The runtime contains no DELEGATECALL, CALLCODE or SELFDESTRUCT.
• Static analysis lead. Aderyn's large-numeric-literal note on line 10 is the supply constant, which evaluates correctly to 1e27. Not a defect.

The report contains one info-level entry only. It records the standard ERC-20 allowance replacement race, where a spender uses an old allowance before a lowered one is mined and then the new one afterward. I reproduced it with concrete amounts, but it is inherent to ERC-20, OpenZeppelin v5 removed increaseAllowance deliberately, and the README already tells holders to revoke to zero first. It needs no code change and is there so the judge has the one behaviour in this area that differs from naive expectation.

Coverage rows mark all three entry points as holds, plus five invariant and flow rows for supply conservation, no post-launch growth, exact launch flows, sentinel handling and dependency integrity. The end-to-end Uniswap v4 seed and swap checks in the protected harness could not be run here because its network-owned helper contracts are not in this tree, as the README also notes; that remains the launch verifier's step.

Review complete. The findings file is written and validated, and the working tree is clean apart from it.

Result: no permission, trust-gap or asymmetry defect in the token. The contract is a plain OpenZeppelin v5.0.2 ERC20 with a constructor that mints one billion IMB, with 18 decimals, to its immediate caller. It has no owner, minter, pauser, initializer, proxy, delegatecall or payable path. Every state write is keyed by the caller's own address. The Trust Gap seams need a privileged actor and there is none. All three listed entry points hold.

What I found

• Low, provenance. Seven vendored forge-std files do not match the SHA-256 digests in the lock file, and the README states the files are unmodified upstream sources. The digests match upstream, so the committed copies were changed. A whitespace-stripped comparison shows the change is formatting only, so compiled behaviour is unaffected and the production token is untouched. The OpenZeppelin files all match.
• Info, asymmetry. A zero-value transferFrom from any caller emits a Transfer event naming an arbitrary sender without an allowance. This is inherited standard behaviour, moves no balance, and is already covered by the project's own tests. It is recorded for off-chain consumers, not as a code change.

What I ran

• Build, the full suite of 31 tests including fuzz and invariant runs, and the formatting check. All pass.
• A scratch probe of six extra cases: factory versus transaction origin on mint, self-spender allowance, allowance isolation, storage slot for supply, payable rejection on every selector, and the zero-value event path. All passed as expected and the scratch directory is removed.
• A SHA-256 check of every file in the lock file, with the mismatches diffed against upstream.

Coverage has seven rows: the three entry points, the constructor and role assignment, the fixed-supply invariant, the no-payable-surface invariant, and dependency integrity. The supplied protected harness could not run here because it needs Uniswap v4 and network-owned helpers not in this tree, so its token-level assertions were traced by hand. The aderyn large-literal lead is the supply constant and is not a defect.

Added boundary and failure-path tests, plus stronger balance and allowance invariants over 256 random sequences of 64 calls.

forge build --offline and forge test --offline pass: 43 tests, zero failures.

All changes are under test/. No contract defects found.

The review is complete. No tracked file was changed; the only additions are the findings file at the repository root and a scratch test, both ignored by git.

Result: the token holds. One low-severity periphery finding, no defects in the token itself.

The contract is a 16-line wrapper over OpenZeppelin ERC20 v5.0.2 that mints exactly 10^27 units to its deployer in the constructor. I traced all three state-changing entry points through the Execution Trace, Periphery and First Principles checklists and found their checks, state changes and failure paths behave as intended.

What I verified

• approve, transfer, transferFrom follow the unmodified OZ code path. Allowance is spent before the balance check, but the whole call reverts atomically, so a failed transferFrom restores the allowance. Zero-address sender, receiver, spender and approver all revert. Infinite allowance stays infinite and max-minus-one is finite. Self-transfers and whole-supply transfers move exact amounts.
• Launch flows arrive whole in a token-only replica of the protected harness: the ten percent swarm share, a maximal ninety percent pool seed, claims out of the distributor, and swaps in both directions.
• Supply cannot grow. The ABI exposes no mint, burn, owner, pause or initializer. The runtime and creation bytecode contain no CALL, STATICCALL, CREATE, DELEGATECALL, CALLCODE or SELFDESTRUCT.
• Periphery. All six vendored OpenZeppelin files match both the lock file and the real upstream commit byte for byte. None of the five published solc 0.8.26 bugs touch constructs this code uses.
• Static-analysis leads. Slither reported nothing. The aderyn large-literal lead is the intended supply constant.

Finding 1 (low): stale dependency lock. Seven forge-std files in lib/forge-std/src/ were re-wrapped by the project's formatter, but dependencies.lock.json still records the digests of the pristine upstream files, and the README claims the files are unmodified. I confirmed against the pinned upstream commit that the differences are whitespace only, so behaviour is unchanged and the token bytecode is unaffected. The shipped provenance claim is still false, and an offline verifier that recomputes the digests rejects the tree. The fix is either to restore the pristine bytes or to regenerate those seven digests and reword the README.

Not reached. The full Uniswap v4 PoolManager seed and swap from the protected harness could not be run because v4-core is not vendored. That remains the launch verifier's responsibility, as the README already notes.

All three snippets match the tree line-for-line, the scratch directory is gone, and git status is clean apart from the untracked .imd-findings.json (which git's short format omitted since .gitignore covers it or it is the only change — either way, no tracked file was modified). Nothing further is needed.

Review result

Output: .imd-findings.json in the repository root — 3 findings (1 low, 2 info) and 7 coverage rows (all 3 listed entry points plus 4 invariants). No files in the tree were changed; my scratch test under test/scratch/ was run and then deleted.

How I judged the specialist findings

Finding 1 (low, merged): dependencies.lock.json records SHA-256 digests for 7 forge-std files (StdAssertions, StdJson, StdToml, Vm, console, IERC7540, IMulticall3) that do not match the committed files. I recomputed all 36 digests locally (7 BAD, 29 OK), fetched Vm.sol and StdAssertions.sol from upstream at the pinned commit 77041d2… and confirmed (a) the lock digests are upstream's exactly, and (b) the vendored copies are whitespace-identical to upstream — a forge fmt re-wrap only. All 6 OpenZeppelin files match the lock, and ERC20.sol is byte-identical to upstream v5.0.2. Impact is limited to the provenance record and the README's "unmodified upstream sources" claim being false; forge-std is test-only, so token bytecode is unaffected. Low is the right severity.

Findings 2–3 (info): both are standard ERC-20 / OZ v5 behaviour, not implementation defects. I verified each with a Foundry test (3/3 passed on the current code) and kept them as trust notes with "no code change recommended" stated explicitly.

My own pass

The token is 16 lines over pristine OZ v5.0.2 ERC20: zero-arg constructor minting 1_000_000_000e18 to msg.sender, no owner, no hooks, no admin selectors. I checked the protected floor's requirements against it (supply to factory, decimals 18, whole transfers through factory/distributor/PoolManager, no DELEGATECALL/CALLCODE/SELFDESTRUCT, no supply growth) and the manifest's consistency (constructorArgs: [], totalSupply = 1e27, initialPrice = sqrt(1e27/1e19)·2⁹⁶ matches the recorded value). The 43 shipped tests including invariants pass. The aderyn large-literal lead is a style note only. I found nothing the specialists missed; no critical/high findings, so no proof files were attached.

Not done: I did not verify that economics in launch.json equals the job's — the job object is not in my inputs, and the manifest reference says admission checks that copy.