Implemented CadenceIMD (CADENCEIMD) with 18 decimals and exactly 1 billion tokens minted once to the deployer.

Vendored dependencies, deployment documentation, and success/failure, fuzz, and invariant tests are included.

Verified:

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

Full launch integration remains for the separate admission harness. Deployment responsibilities and validation limits are documented in README.md and VALIDATION.md.

Created launch.json matching CadenceIMD’s constructor, supply, and the required pool and economics values.

forge build succeeded; all 31 tests passed. Only launch.json is changed.

The review is complete. The findings file is valid JSON, the cited snippet matches line 4 of DEPENDENCIES.md exactly, and the working tree is unchanged apart from the gitignored scratch test and the findings file.

Result: no math, boundary or numerical-gap defect in the token. One low-severity provenance finding outside the assigned area was recorded.

What I checked in the assigned area

• Math Precision. The supply literal evaluates to exactly 10^27, is a compile-time checked constant, and is minted once. It is below 2^127, so Uniswap v4 int128 balance deltas cannot overflow on the 80 percent seed. The 10/80/10 split yields 1e26, 8e26 and 1e26 with no rounding. There are no divisions, scale conversions, downcasts or fee formulas anywhere in the runtime. The aderyn "large numeric literal" lead is a correct value, not a defect.
• Boundary. The runtime makes no external calls and has no payable, receive or fallback paths. I verified that ETH sent with or without calldata reverts. The only sentinel branches are OpenZeppelin's address(0) rejections. No bytes inputs are decoded.
• Numerical Gap. The unchecked subtractions and additions inside OpenZeppelin's _update and _spendAllowance are each preceded by the bounding check, and the sum of balances equals total supply on every path, including self-transfer, zero-value transfer, zero-value transferFrom with no allowance, and allowance at max minus one versus the infinite sentinel. The existing ledger invariant plus my scratch fuzz of 1-wei chains and three-way splits all pass.
• Dependency integrity. All five vendored OpenZeppelin files are byte-identical to upstream v5.1.0, so the production bytecode inherits exactly the audited library.

The one finding (low). Seven forge-std files were whitespace-reformatted after their hashes were recorded. The integrity command DEPENDENCIES.md tells reviewers to run fails on the committed tree, and VALIDATION.md's claim that all 36 files matched is not true of what was delivered. The drift is formatting only and test-side, so it does not touch the token. The fix is either re-vendoring the seven files byte-for-byte or regenerating the hash file and amending the wording.

Coverage. All three ABI entry points are recorded as holds, plus rows for the constructor and supply literal, the supply-conservation invariant, external boundaries, metadata versus manifest, and the dependency integrity row that references the finding. Nothing in the assigned area was left unreached.

The review is complete and written to .imd-findings.json. The tree is otherwise unchanged.

Outcome: the token's economics hold. CadenceIMD is an unmodified OpenZeppelin v5.1.0 ERC-20 with one constructor mint, no exemptions, taxes, hooks, admin roles or external calls. I found no economic, invariant or flow-gap defect in the contract.

What I verified

• The five vendored OpenZeppelin files the production bytecode depends on are byte-identical to upstream commit 69c8def.
• The project's own suite passes (31 tests, including the 128-run stateful ledger invariant).
• A scratch Foundry test reproduced the launch flows with factory and pool-manager stand-ins: the 10/80/10 split of 1e27 has no rounding residual, each leg arrives whole, the seed pull and buy/sell round trip are exact, supply is constant, and no mint/burn/burnFrom selector exists. Sentinel and boundary cases (zero address, 1 wei, whole balance, balance plus one, max versus finite allowance) behave as the README states.
• The protected harness was traced by reading, not run, since v4-core and the launch libraries are not in this tree.

One low finding reported

• DEPENDENCIES.sha256 records upstream forge-std v1.9.7 hashes, but seven committed forge-std files are reformatted copies, so sha256sum -c DEPENDENCIES.sha256 fails. VALIDATION.md and DEPENDENCIES.md claim all files match and are unmodified. The difference is whitespace only and test-only, with no effect on the token.

Coverage record: all three entry points marked holds, plus rows for the supply conservation, launch split, privilege, economic-security and flow-gap invariants. The manifest row is unreached because no launch.json exists yet.

The review is complete and .imd-findings.json holds the result. The only tracked-file change is the findings file itself; the scratch probe lives under the gitignored test/scratch/.

Outcome: the token's permission model is clean. CadenceIMD is unmodified OpenZeppelin v5.1.0 ERC-20 with a constructor that mints the full supply to the deployer. There is no owner, role, initializer, proxy, fallback or receive. I confirmed this by compiled ABI inspection, a selector fuzz from both the deployer and a stranger, a storage-write trace of the constructor, and a byte comparison of the five vendored OpenZeppelin files against the pinned upstream commit. The existing 31-test suite passes, and the launch flows the protected harness checks hold by construction since transfers carry no fee, burn or exemption logic.

One low-severity finding was recorded. The repository's own integrity record does not match its tree.

• Seven of the 36 vendored forge-std files fail the checksums in DEPENDENCIES.sha256, contradicting the claims in VALIDATION.md and DEPENDENCIES.md that all files matched and are unmodified.
• The recorded hashes are the pinned upstream hashes, so the committed copies were reformatted after hashing. A whitespace-stripped comparison shows the changes are formatting only, so the assertion library's behavior is unchanged.
• The fix is to restore the upstream bytes or regenerate the record and correct the two documentation claims.

Coverage record. All three listed entry points are marked holds, with seven additional invariant rows covering the constructor, the absence of hidden entry points and forbidden opcodes, dependency provenance, launch flows, and the trust-gap and asymmetry pass. Nothing was left unreached. Two things I could not verify locally and said so in the record: the real Uniswap v4 harness is not in this tree, and the README's claim of chain ID 1 has no network file here to check against.

The review is complete and the findings file is valid. Final recap follows.

Result: the token's control flow holds. One low-severity provenance defect was found.

The contract at src/CadenceIMD.sol is a 15-line fixed-supply ERC-20 over unmodified OpenZeppelin v5.1.0. I traced all three state-changing entry points through the vendored base, checked the constructor and launch flows, and found no defect in the Solidity.

What I verified:

• transfer, approve, transferFrom behave as standard ERC-20 with no fee, burn, exemption, owner, pause, blacklist, mint, upgrade, receive, or fallback path. The factory cannot move a holder's balance without allowance.
• Supply is minted once to the immediate deployer, so a CREATE2 deployment from the factory address leaves the whole 1e27 with the factory. Decimals, name and symbol match the brief.
• Launch flows mirroring the protected harness (factory to distributor, distributor to claimant, allowance-based pool seed, 22 privileged selectors tried from the factory and a stranger) all pass in a scratch test under test/scratch/, alongside the project's 31 tests.
• Vendored OpenZeppelin files are byte-identical to upstream v5.1.0 and match the committed hash file. Runtime bytecode has no DELEGATECALL, CALLCODE or SELFDESTRUCT and no linked libraries.

The one finding, recorded in .imd-findings.json:

• DEPENDENCIES.sha256 fails verification. The documented integrity command reports 7 forge-std files as mismatched. The recorded hashes are the upstream v1.9.7 hashes, but the committed copies were reformatted after hashing. Content is identical once whitespace is stripped, so there is no semantic change and no effect on the deployed token. The defect is that the dependency notes claim the sources are unmodified and the validation record claims all 36 files matched, and neither is true as committed. Severity low.

Coverage record: six rows, three for the listed entry points (all holds), plus rows for the constructor and supply invariant, the OpenZeppelin periphery, and the forge-std periphery (the finding). No row is unreached.

Limits: the full protected harness with the Uniswap v4 PoolManager could not be run here because its launch contracts are not in this tree. Slither and aderyn output from the verifier was reviewed as leads; the one aderyn note about a large numeric literal is the intended supply constant and is not a defect. No files outside .imd-findings.json and test/scratch/ were created or changed.

Added 16 adversarial/fuzz tests and expanded stateful invariants for failed calls, approval boundaries, and balance conservation.

forge build and forge test pass: 47 tests, including 32,768 invariant handler calls.

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

The review is complete and written to .imd-findings.json.

Outcome: the token is sound. One low finding survives, merged from the four identical specialist reports.

What I verified

• The contract is a 15-line fixed-supply ERC-20 over unmodified OpenZeppelin v5.1.0. The constructor takes no arguments and mints exactly 10^27 base units to the deployer. No owner, mint, pause, blacklist or upgrade path exists in the ABI.
• All three entry points (approve, transfer, transferFrom) trace to stock OpenZeppelin logic with no fees, hooks or exemptions. I confirmed this with a scratch test that deploys through a CREATE2 factory and exercises the success and revert paths. All 47 project tests pass.
• The manifest matches the code: empty constructor arguments, matching supply and decimals, schema-only keys, lowercase addresses. Creation and runtime bytecode are well under the size limits, and the runtime contains no forbidden opcodes.
• The five OpenZeppelin production files are byte-identical to the pinned upstream commit.

The one kept finding (low) The documented integrity check sha256sum -c DEPENDENCIES.sha256 fails for 7 of 36 forge-std files. The recorded digests are the true upstream hashes. The committed copies differ only in whitespace, so test semantics are unchanged and the token is unaffected. But DEPENDENCIES.md says the sources are unmodified and VALIDATION.md records 36 of 36 matched, and neither has ever been true: the drift exists in the first accepted commit. The fix is to regenerate the hash record and correct both documents, since the submission rules keep authors out of lib/.

Dropped or merged: all four specialist findings described this same root cause and were merged into one. The aderyn large-numeric-literal lead is a style note on an underscore-separated constant and is not a defect. Slither reported nothing.

Coverage answers all three listed entry points as holds, plus rows for the constructor and deployment model, the manifest, and dependency provenance.