diff -ruN access/AccessControl.sol access/AccessControl.sol --- access/AccessControl.sol 2022-09-20 11:01:10.429515094 +0200 +++ access/AccessControl.sol 2022-09-20 14:34:08.629602185 +0200 @@ -93,7 +93,7 @@ * * _Available since v4.6._ */ - function _checkRole(bytes32 role) internal view virtual { + function _checkRole(bytes32 role) public view virtual { // HARNESS: internal -> public _checkRole(role, _msgSender()); } diff -ruN governance/extensions/GovernorCountingSimple.sol governance/extensions/GovernorCountingSimple.sol --- governance/extensions/GovernorCountingSimple.sol 2022-09-20 11:01:10.432848512 +0200 +++ governance/extensions/GovernorCountingSimple.sol 2022-09-20 14:34:08.632935582 +0200 @@ -27,7 +27,7 @@ mapping(address => bool) hasVoted; } - mapping(uint256 => ProposalVote) private _proposalVotes; + mapping(uint256 => ProposalVote) internal _proposalVotes; /** * @dev See {IGovernor-COUNTING_MODE}. diff -ruN governance/extensions/GovernorPreventLateQuorum.sol governance/extensions/GovernorPreventLateQuorum.sol --- governance/extensions/GovernorPreventLateQuorum.sol 2022-08-31 13:44:36.377724869 +0200 +++ governance/extensions/GovernorPreventLateQuorum.sol 2022-09-20 14:34:08.632935582 +0200 @@ -21,8 +21,8 @@ using SafeCast for uint256; using Timers for Timers.BlockNumber; - uint64 private _voteExtension; - mapping(uint256 => Timers.BlockNumber) private _extendedDeadlines; + uint64 internal _voteExtension; // PRIVATE => INTERNAL + mapping(uint256 => Timers.BlockNumber) internal _extendedDeadlines; // PRIVATE => INTERNAL /// @dev Emitted when a proposal deadline is pushed back due to reaching quorum late in its voting period. event ProposalExtended(uint256 indexed proposalId, uint64 extendedDeadline); diff -ruN governance/Governor.sol governance/Governor.sol --- governance/Governor.sol 2022-09-20 11:01:10.429515094 +0200 +++ governance/Governor.sol 2022-09-20 14:34:08.629602185 +0200 @@ -44,7 +44,7 @@ string private _name; - mapping(uint256 => ProposalCore) private _proposals; + mapping(uint256 => ProposalCore) internal _proposals; // This queue keeps track of the governor operating on itself. Calls to functions protected by the // {onlyGovernance} modifier needs to be whitelisted in this queue. Whitelisting is set in {_beforeExecute}, diff -ruN governance/TimelockController.sol governance/TimelockController.sol --- governance/TimelockController.sol 2022-09-09 10:15:55.887175731 +0200 +++ governance/TimelockController.sol 2022-09-20 14:34:08.629602185 +0200 @@ -28,10 +28,10 @@ bytes32 public constant PROPOSER_ROLE = keccak256("PROPOSER_ROLE"); bytes32 public constant EXECUTOR_ROLE = keccak256("EXECUTOR_ROLE"); bytes32 public constant CANCELLER_ROLE = keccak256("CANCELLER_ROLE"); - uint256 internal constant _DONE_TIMESTAMP = uint256(1); + uint256 public constant _DONE_TIMESTAMP = uint256(1); mapping(bytes32 => uint256) private _timestamps; - uint256 private _minDelay; + uint256 public _minDelay; /** * @dev Emitted when a call is scheduled as part of operation `id`. diff -ruN governance/utils/Votes.sol governance/utils/Votes.sol --- governance/utils/Votes.sol 2022-09-20 14:24:58.010074267 +0200 +++ governance/utils/Votes.sol 2022-09-20 14:34:08.632935582 +0200 @@ -35,7 +35,25 @@ bytes32 private constant _DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); - mapping(address => address) private _delegation; + // HARNESS : Hooks cannot access any information from Checkpoints yet, so I am also updating votes and fromBlock in this struct + struct Ckpt { + uint32 fromBlock; + uint224 votes; + } + mapping(address => Ckpt) public _checkpoints; + + // HARNESSED getters + function numCheckpoints(address account) public view returns (uint32) { + return SafeCast.toUint32(_delegateCheckpoints[account]._checkpoints.length); + } + function ckptFromBlock(address account, uint32 pos) public view returns (uint32) { + return _delegateCheckpoints[account]._checkpoints[pos]._blockNumber; + } + function ckptVotes(address account, uint32 pos) public view returns (uint224) { + return _delegateCheckpoints[account]._checkpoints[pos]._value; + } + + mapping(address => address) public _delegation; mapping(address => Checkpoints.History) private _delegateCheckpoints; Checkpoints.History private _totalCheckpoints; @@ -124,7 +142,7 @@ * * Emits events {DelegateChanged} and {DelegateVotesChanged}. */ - function _delegate(address account, address delegatee) internal virtual { + function _delegate(address account, address delegatee) public virtual { address oldDelegate = delegates(account); _delegation[account] = delegatee; @@ -142,10 +160,10 @@ uint256 amount ) internal virtual { if (from == address(0)) { - _totalCheckpoints.push(_add, amount); + _totalCheckpoints.push(_totalCheckpoints.latest() + amount); // Harnessed to remove function pointers } if (to == address(0)) { - _totalCheckpoints.push(_subtract, amount); + _totalCheckpoints.push(_totalCheckpoints.latest() - amount); // Harnessed to remove function pointers } _moveDelegateVotes(delegates(from), delegates(to), amount); } @@ -160,11 +178,13 @@ ) private { if (from != to && amount > 0) { if (from != address(0)) { - (uint256 oldValue, uint256 newValue) = _delegateCheckpoints[from].push(_subtract, amount); + (uint256 oldValue, uint256 newValue) = _delegateCheckpoints[from].push(_delegateCheckpoints[from].latest() - amount); // HARNESSED TO REMOVE FUNCTION POINTERS + _checkpoints[from] = Ckpt({fromBlock: SafeCast.toUint32(block.number), votes: SafeCast.toUint224(newValue)}); // HARNESS emit DelegateVotesChanged(from, oldValue, newValue); } if (to != address(0)) { - (uint256 oldValue, uint256 newValue) = _delegateCheckpoints[to].push(_add, amount); + (uint256 oldValue, uint256 newValue) = _delegateCheckpoints[to].push(_delegateCheckpoints[to].latest() + amount); // HARNESSED TO REMOVE FUNCTION POINTERS + _checkpoints[to] = Ckpt({fromBlock: SafeCast.toUint32(block.number), votes: SafeCast.toUint224(newValue)}); // HARNESS emit DelegateVotesChanged(to, oldValue, newValue); } } @@ -207,5 +227,5 @@ /** * @dev Must return the voting units held by an account. */ - function _getVotingUnits(address) internal view virtual returns (uint256); + function _getVotingUnits(address) public virtual returns (uint256); // HARNESS: internal -> public } diff -ruN mocks/SafeERC20Helper.sol mocks/SafeERC20Helper.sol --- mocks/SafeERC20Helper.sol 2022-09-20 14:24:58.013407601 +0200 +++ mocks/SafeERC20Helper.sol 2022-09-20 15:09:17.135329080 +0200 @@ -4,7 +4,6 @@ import "../utils/Context.sol"; import "../token/ERC20/IERC20.sol"; -import "../token/ERC20/extensions/draft-ERC20Permit.sol"; import "../token/ERC20/utils/SafeERC20.sol"; contract ERC20ReturnFalseMock is Context { @@ -106,42 +105,43 @@ } } -contract ERC20PermitNoRevertMock is - ERC20("ERC20PermitNoRevertMock", "ERC20PermitNoRevertMock"), - ERC20Permit("ERC20PermitNoRevertMock") -{ - function getChainId() external view returns (uint256) { - return block.chainid; - } - - function permitThatMayRevert( - address owner, - address spender, - uint256 value, - uint256 deadline, - uint8 v, - bytes32 r, - bytes32 s - ) public { - super.permit(owner, spender, value, deadline, v, r, s); - } - - function permit( - address owner, - address spender, - uint256 value, - uint256 deadline, - uint8 v, - bytes32 r, - bytes32 s - ) public override { - try this.permitThatMayRevert(owner, spender, value, deadline, v, r, s) { - // do nothing - } catch { - // do nothing - } - } -} +// Harness remove ? +// contract ERC20PermitNoRevertMock is +// ERC20("ERC20PermitNoRevertMock", "ERC20PermitNoRevertMock"), +// ERC20Permit("ERC20PermitNoRevertMock") +// { +// function getChainId() external view returns (uint256) { +// return block.chainid; +// } + +// function permitThatMayRevert( +// address owner, +// address spender, +// uint256 value, +// uint256 deadline, +// uint8 v, +// bytes32 r, +// bytes32 s +// ) public { +// super.permit(owner, spender, value, deadline, v, r, s); +// } + +// function permit( +// address owner, +// address spender, +// uint256 value, +// uint256 deadline, +// uint8 v, +// bytes32 r, +// bytes32 s +// ) public override { +// try this.permitThatMayRevert(owner, spender, value, deadline, v, r, s) { +// // do nothing +// } catch { +// // do nothing +// } +// } +// } contract SafeERC20Wrapper is Context { using SafeERC20 for IERC20; diff -ruN proxy/utils/Initializable.sol proxy/utils/Initializable.sol --- proxy/utils/Initializable.sol 2022-09-20 11:16:48.456850883 +0200 +++ proxy/utils/Initializable.sol 2022-09-20 14:34:24.806582310 +0200 @@ -59,12 +59,12 @@ * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ - uint8 private _initialized; + uint8 internal _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ - bool private _initializing; + bool internal _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. diff -ruN token/ERC1155/ERC1155.sol token/ERC1155/ERC1155.sol --- token/ERC1155/ERC1155.sol 2022-09-20 11:01:10.432848512 +0200 +++ token/ERC1155/ERC1155.sol 2022-09-20 14:34:24.809915708 +0200 @@ -21,7 +21,7 @@ using Address for address; // Mapping from token ID to account balances - mapping(uint256 => mapping(address => uint256)) private _balances; + mapping(uint256 => mapping(address => uint256)) internal _balances; // MUNGED private => internal // Mapping from account to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; @@ -471,7 +471,7 @@ uint256 id, uint256 amount, bytes memory data - ) private { + ) public { // HARNESS: private -> public if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver.onERC1155Received.selector) { @@ -492,7 +492,7 @@ uint256[] memory ids, uint256[] memory amounts, bytes memory data - ) private { + ) public { // HARNESS: private -> public if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response diff -ruN token/ERC20/extensions/ERC20FlashMint.sol token/ERC20/extensions/ERC20FlashMint.sol --- token/ERC20/extensions/ERC20FlashMint.sol 2022-09-20 11:01:10.432848512 +0200 +++ token/ERC20/extensions/ERC20FlashMint.sol 2022-09-20 14:34:24.809915708 +0200 @@ -51,9 +51,11 @@ // silence warning about unused variable without the addition of bytecode. token; amount; - return 0; + return fee; // HARNESS: made "return" nonzero } + uint256 public fee; // HARNESS: added it to simulate random fee amount + /** * @dev Returns the receiver address of the flash fee. By default this * implementation returns the address(0) which means the fee amount will be burnt. diff -ruN token/ERC20/extensions/ERC20Votes.sol token/ERC20/extensions/ERC20Votes.sol --- token/ERC20/extensions/ERC20Votes.sol 2022-09-20 14:24:58.016740934 +0200 +++ token/ERC20/extensions/ERC20Votes.sol 2022-09-20 15:05:11.770836991 +0200 @@ -33,8 +33,8 @@ bytes32 private constant _DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); - mapping(address => address) private _delegates; - mapping(address => Checkpoint[]) private _checkpoints; + mapping(address => address) public _delegates; + mapping(address => Checkpoint[]) public _checkpoints; Checkpoint[] private _totalSupplyCheckpoints; /** @@ -165,7 +165,7 @@ /** * @dev Maximum token supply. Defaults to `type(uint224).max` (2^224^ - 1). */ - function _maxSupply() internal view virtual returns (uint224) { + function _maxSupply() public view virtual returns (uint224) { //harnessed to public return type(uint224).max; } @@ -176,16 +176,16 @@ super._mint(account, amount); require(totalSupply() <= _maxSupply(), "ERC20Votes: total supply risks overflowing votes"); - _writeCheckpoint(_totalSupplyCheckpoints, _add, amount); + _writeCheckpointAdd(_totalSupplyCheckpoints, amount); // HARNESS: new version without pointer } /** * @dev Snapshots the totalSupply after it has been decreased. */ - function _burn(address account, uint256 amount) internal virtual override { + function _burn(address account, uint256 amount) public virtual override { // HARNESS: internal -> public (to comply with the ERC20 harness) super._burn(account, amount); - _writeCheckpoint(_totalSupplyCheckpoints, _subtract, amount); + _writeCheckpointSub(_totalSupplyCheckpoints, amount); // HARNESS: new version without pointer } /** @@ -208,7 +208,7 @@ * * Emits events {DelegateChanged} and {DelegateVotesChanged}. */ - function _delegate(address delegator, address delegatee) internal virtual { + function _delegate(address delegator, address delegatee) public virtual { // HARNESSED TO MAKE PUBLIC address currentDelegate = delegates(delegator); uint256 delegatorBalance = balanceOf(delegator); _delegates[delegator] = delegatee; @@ -225,12 +225,13 @@ ) private { if (src != dst && amount > 0) { if (src != address(0)) { - (uint256 oldWeight, uint256 newWeight) = _writeCheckpoint(_checkpoints[src], _subtract, amount); + (uint256 oldWeight, uint256 newWeight) = _writeCheckpointSub(_checkpoints[src], amount); // HARNESS: new version without pointer + emit DelegateVotesChanged(src, oldWeight, newWeight); } if (dst != address(0)) { - (uint256 oldWeight, uint256 newWeight) = _writeCheckpoint(_checkpoints[dst], _add, amount); + (uint256 oldWeight, uint256 newWeight) = _writeCheckpointAdd(_checkpoints[dst], amount); // HARNESS: new version without pointer emit DelegateVotesChanged(dst, oldWeight, newWeight); } } @@ -255,6 +256,55 @@ } } + // HARNESS: split _writeCheckpoint() to two functions as a workaround for function pointers that cannot be managed by the tool + function _writeCheckpointAdd( + Checkpoint[] storage ckpts, + uint256 delta + ) private returns (uint256 oldWeight, uint256 newWeight) { + uint256 pos = ckpts.length; + oldWeight = pos == 0 ? 0 : ckpts[pos - 1].votes; + newWeight = _add(oldWeight, delta); + + if (pos > 0 && ckpts[pos - 1].fromBlock == block.number) { + ckpts[pos - 1].votes = SafeCast.toUint224(newWeight); + } else { + ckpts.push(Checkpoint({fromBlock: SafeCast.toUint32(block.number), votes: SafeCast.toUint224(newWeight)})); + } + } + + function _writeCheckpointSub( + Checkpoint[] storage ckpts, + uint256 delta + ) private returns (uint256 oldWeight, uint256 newWeight) { + uint256 pos = ckpts.length; + oldWeight = pos == 0 ? 0 : ckpts[pos - 1].votes; + newWeight = _subtract(oldWeight, delta); + + if (pos > 0 && ckpts[pos - 1].fromBlock == block.number) { + ckpts[pos - 1].votes = SafeCast.toUint224(newWeight); + } else { + ckpts.push(Checkpoint({fromBlock: SafeCast.toUint32(block.number), votes: SafeCast.toUint224(newWeight)})); + } + } + + // backup of original function + // + // function _writeCheckpoint( + // Checkpoint[] storage ckpts, + // function(uint256, uint256) view returns (uint256) op, + // uint256 delta + // ) private returns (uint256 oldWeight, uint256 newWeight) { + // uint256 pos = ckpts.length; + // oldWeight = pos == 0 ? 0 : ckpts[pos - 1].votes; + // newWeight = op(oldWeight, delta); + // + // if (pos > 0 && ckpts[pos - 1].fromBlock == block.number) { + // ckpts[pos - 1].votes = SafeCast.toUint224(newWeight); + // } else { + // ckpts.push(Checkpoint({fromBlock: SafeCast.toUint32(block.number), votes: SafeCast.toUint224(newWeight)})); + // } + // } + function _add(uint256 a, uint256 b) private pure returns (uint256) { return a + b; } diff -ruN token/ERC20/extensions/ERC20Wrapper.sol token/ERC20/extensions/ERC20Wrapper.sol --- token/ERC20/extensions/ERC20Wrapper.sol 2022-08-31 13:44:36.381058287 +0200 +++ token/ERC20/extensions/ERC20Wrapper.sol 2022-09-20 14:34:24.809915708 +0200 @@ -55,7 +44,7 @@ * @dev Mint wrapped token to cover any underlyingTokens that would have been transferred by mistake. Internal * function that can be exposed with access control if desired. */ - function _recover(address account) internal virtual returns (uint256) { + function _recover(address account) public virtual returns (uint256) { // HARNESS: internal -> public uint256 value = underlying.balanceOf(address(this)) - totalSupply(); _mint(account, value); return value; diff -ruN token/ERC721/extensions/draft-ERC721Votes.sol token/ERC721/extensions/draft-ERC721Votes.sol --- token/ERC721/extensions/draft-ERC721Votes.sol 2022-09-20 14:24:58.016740934 +0200 +++ token/ERC721/extensions/draft-ERC721Votes.sol 2022-09-20 14:34:28.259983206 +0200 @@ -49,7 +49,7 @@ /** * @dev Returns the balance of `account`. */ - function _getVotingUnits(address account) internal view virtual override returns (uint256) { + function _getVotingUnits(address account) public view virtual override returns (uint256) { return balanceOf(account); } } diff -ruN utils/Address.sol utils/Address.sol --- utils/Address.sol 2022-09-20 11:01:10.432848512 +0200 +++ utils/Address.sol 2022-09-20 14:34:28.259983206 +0200 @@ -131,6 +131,7 @@ uint256 value, string memory errorMessage ) internal returns (bytes memory) { + return ""; // external calls havoc require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage);