Implemented Why (WHY): 1,000,000,000 tokens with 18 decimals, minted once to the deployer.

Includes vendored dependencies, deployment documentation, and success, failure, fuzz, and invariant tests.

Verified with Solidity 0.8.26:

• forge build passed
• forge test passed: 27 tests
• forge fmt --check passed

Created launch.json with the exact WHY supply, empty constructor arguments, requested economics and paired currency.

Schema and compiled ABI checks passed. forge build succeeded; forge test passed all 27 tests.

Only launch.json was added; build artifacts stayed in test/scratch/.

The review is complete. The findings file holds an empty findings list and a nine-row coverage record, and the working tree is otherwise untouched.

Result: no defects substantiated. The Why token is a seventeen-line constructor-only specialization of the vendored OpenZeppelin v5.4.0 ERC20. Its compiled ABI exposes exactly three state-changing functions, and every one of them behaves as the Access Control, Trust Gap and Asymmetry guides require.

What I verified, and how:

• Access control surface. No owner, role, initializer, modifier, receive or fallback exists. The constructor takes no arguments and mints the manifest supply once to msg.sender, which is the factory under CREATE2. A scratch probe confirmed that the factory, after forwarding the supply, cannot pull from a holder, the distributor or the pool manager without an allowance, and that a stranger's self-approval does not touch anyone else's allowance row.
• Asymmetry pairs. Both transfer paths funnel into the same internal update with identical zero-address and balance checks. Finite allowances decrement exactly once per spend, revocation to zero is immediate, and the infinite allowance is left unchanged. There is no admin variant of any function to diverge from the user path.
• Trust Gap seams. The token has no settable parameter, fee, pricing formula or in-flight accrual, so no seam between lenses exists inside it. The only trust assumption is the network's own design: the factory holds the whole supply at deployment and performs the split. The token grants it no power beyond an ordinary holder's.
• Launch floor. Transfers move exactly the stated amount, totalSupply cannot grow or shrink from any caller, decimals return 18, and the runtime has no DELEGATECALL, CALLCODE or SELFDESTRUCT.

Checks run: forge build on solc 0.8.26, the project's 27 tests including the stateful invariant, ABI and storage-layout inspection, SHA-256 verification of the vendored OpenZeppelin files against DEPENDENCIES.json, and five scratch probe tests, all passing. The scratch directory was removed afterwards.

Static-analysis leads: Slither reported nothing. Aderyn's large-numeric-literal note on the supply constant is a style remark, since the value equals ten to the 27th and is asserted by tests. Not reproduced: the network's protected Uniswap v4 harness, which needs factory and PoolManager bytecode and environment variables. The token has no transfer hooks, so no exempt-address logic is needed for it.

Review complete. The findings file is written at .imd-findings.json with one info-level finding and eight coverage rows; no source file was changed.

Math result: the Why token has no arithmetic defects in the assigned area. The contract is a constructor-only specialization of OpenZeppelin ERC20 v5.4.0. It contains no division, no scale conversion, no narrowing cast, no external call, no payable function and no bytes decoding, so most of the Math Precision, Boundary and Numerical Gap failure modes have nothing to attach to. What remained was checked concretely:

• Supply constant is exactly 10^27 (the aderyn large-literal lead is a compile-time constant with no truncation).
• Transfer and transferFrom were driven at 1 wei, full balance, self-transfer at full balance, zero amount from an empty account, and max uint. Each reverted or moved exactly what it should. Allowance at max is never decremented, at max minus one it is decremented exactly, and a failed transfer restores the allowance atomically.
• Launch-flow arithmetic on this supply divides exactly for the swarm share and the contributor splits, and the maximum pool share cannot overflow an intermediate.
• Coverage rows mark all three ABI entry points as holds, plus the constructor, the supply invariant, launch arithmetic, boundary enumeration, and dependency provenance.

The one finding is outside the math area and informational. The dependency record claims SHA-256 hashes for every vendored file, but seven forge-std files were reflowed by the formatter and no longer match. The OpenZeppelin files are byte-identical to upstream v5.4.0, and forge-std is test-only, so the deployed bytecode is unaffected. An offline verifier trusting that record would still flag the tree, so the author should re-record the hashes or restore the upstream bytes.

Scratch tests under test/scratch/ were run and then removed. Build, formatter check and the project's 27 tests all pass.

The review is complete. The findings file is valid JSON, the snippet matches the tree, and no tracked file was changed. The scratch test lives under test/scratch/, which is gitignored and not kept.

Outcome: the WHY token has no economic defect I could substantiate. It is an unmodified OpenZeppelin v5.4.0 ERC-20 with a single constructor mint, and every failure mode in the Economic Security, Invariant and Flow Gap guides either does not apply or is interrupted by an inherited guard.

What I reported in .imd-findings.json:

• One info-level item, the standard ERC-20 allowance race. A spender who sees a pending replacement approval can spend the old allowance and then the new one. I confirmed it with a scratch test where the spender moved 150 tokens against a holder who believed the cap was 100. It is inherent to the standard, bounded by the holder's own approvals, and already documented in the README, so I filed it as a trust assumption rather than a defect. The optional fix is an increase/decrease allowance pair, which does not change the agreed design.

What holds, with a coverage row each: approve, transfer and transferFrom were traced through the inherited implementation. Supply conservation, no post-construction growth, exact mint of 10^27 units to msg.sender, zero-address sentinel handling, absence of any privileged or forbidden entry point, and vendored dependency integrity all verified. The project suite, including the stateful invariant with 128 runs, passes clean. The aderyn large-literal lead is a correct compile-time constant and not a defect.

What I could not reach: the protected Uniswap v4 seed-and-swap harness needs sources and environment inputs that are not in this tree, so it was not executed. By inspection, a hook-free ERC-20 has no path that would make a seed or swap revert or arrive short.

The review is complete. The findings file is written, validated as JSON, the cited snippet matches line 26 of the lockfile, and the scratch directory is removed so the tree has no changes beyond the findings file.

Outcome: the WHY token's control flow is clean. One low-severity provenance defect is reported, in the dependency lockfile rather than in the contract.

What I checked, in the assigned area

• Execution Trace. Traced the constructor and all three state-changing entry points through the vendored OpenZeppelin v5.4.0 code. The constructor is non-payable, mints exactly 10^27 to the immediate creator once, and hands out no roles. Transfer rejects zero addresses and reverts on insufficient balance before any write, and self-transfer preserves balance. TransferFrom spends allowance before moving tokens, and every later revert unwinds that write. The runtime bytecode contains no CALL, STATICCALL, DELEGATECALL, CREATE, CALLCODE or SELFDESTRUCT opcodes, so there is no callback or reentrancy surface and no fallback or receive.
• Periphery. Hashed every vendored file against the lockfile and against upstream. All six OpenZeppelin files are byte-identical to the v5.4.0 tag. Seven forge-std files differ from both the lockfile and upstream v1.9.7.
• First Principles. Supply, name, symbol and decimals match the brief and the manifest supply string. No path can grow supply, since the only mint is in the constructor and the ABI has no other state-changing function. Probed edge cases in scratch tests: CREATE with value reverts, self-transferFrom consumes only allowance, max allowance over balance reverts without touching the allowance, zero-value transferFrom from the zero address still reverts, and unknown selectors revert.

The finding is in DEPENDENCIES.json. It records genuine upstream v1.9.7 hashes, but seven vendored forge-std files were re-wrapped after hashing, so the offline verification the README advertises reports seven mismatches. The diffs are formatting only and the files are test-scoped, so production bytecode is unaffected. The fix is to re-vendor those seven files byte-for-byte or regenerate their hash entries.

Coverage record: all three listed entry points hold, plus rows for the constructor, the fixed-supply and metadata invariants, the OpenZeppelin provenance check, the forge-std lockfile finding, and the bytecode opcode scan. The static-analysis lead about the large numeric literal was checked and is a compile-time constant equal to 10^27, not a defect. Nothing in the assigned area was left unreached.

Expanded tests under test/ for allowance boundaries, repeated spending, revocation, failure recovery, and rejected calls during random sequences.

Offline forge build and forge test pass: 40 tests, including 32,768 invariant calls. No confirmed contract defects found. Only test files changed.

The review is complete and the findings file is written. The Why token itself is clean.

What I verified against the code

• The contract is OpenZeppelin v5.4.0 ERC20 with a no-argument constructor that mints exactly the manifest supply to msg.sender once. Decimals, name and symbol match launch.json.
• All three entry points hold. I traced approve, transfer and transferFrom through the vendored OZ code and confirmed exact amounts and failure paths in a scratch Foundry test, which I then deleted.
• The runtime bytecode has no DELEGATECALL, CALLCODE or SELFDESTRUCT, and no mint, burn, pause, owner or fallback selectors exist. The project's 40 tests pass.
• The protected launch test could not run here because it imports Uniswap v4-core, which is not vendored. I replicated its token-level checks in my scratch test instead.

Specialist findings settled

• The two DEPENDENCIES.json reports from audit_math and audit_flow share one root cause and are merged into one low finding. I reproduced it: seven forge-std files hash differently from the lockfile while all OpenZeppelin files match. No production bytecode is affected.
• The audit_economics approval race reproduces but is standard ERC-20 behaviour the README already documents. Kept at info as a trust assumption, not a defect that reopens work.
• The aderyn large-literal lead is the intended supply constant and was dropped as a defect.

The output in .imd-findings.json holds two findings and six coverage rows covering every listed entry point plus the invariants I checked. No repository files were changed.