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openzeppelin-contracts/certora/applyHarness.patch

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diff -ruN .gitignore .gitignore
--- .gitignore 1969-12-31 16:00:00.000000000 -0800
+++ .gitignore 2022-06-01 15:28:29.000000000 -0700
@@ -0,0 +1,2 @@
+*
+!.gitignore
diff -ruN access/AccessControl.sol access/AccessControl.sol
--- access/AccessControl.sol 2022-05-25 09:38:35.000000000 -0700
+++ access/AccessControl.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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/Governor.sol governance/Governor.sol
--- governance/Governor.sol 2022-05-25 09:38:35.000000000 -0700
+++ governance/Governor.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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 2022-05-25 09:38:35.000000000 -0700
+++ governance/TimelockController.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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/extensions/GovernorCountingSimple.sol governance/extensions/GovernorCountingSimple.sol
--- governance/extensions/GovernorCountingSimple.sol 2022-05-25 09:38:35.000000000 -0700
+++ governance/extensions/GovernorCountingSimple.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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 2022-05-25 09:38:35.000000000 -0700
+++ governance/extensions/GovernorPreventLateQuorum.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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;
+ mapping(uint256 => Timers.BlockNumber) internal _extendedDeadlines;
/// @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/utils/Votes.sol governance/utils/Votes.sol
--- governance/utils/Votes.sol 2022-05-25 09:38:35.000000000 -0700
+++ governance/utils/Votes.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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 proxy/utils/Initializable.sol proxy/utils/Initializable.sol
--- proxy/utils/Initializable.sol 2022-05-25 14:01:12.000000000 -0700
+++ proxy/utils/Initializable.sol 2022-06-01 17:10:12.000000000 -0700
@@ -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.
@@ -130,7 +130,7 @@
_setInitializedVersion(type(uint8).max);
}
- function _setInitializedVersion(uint8 version) private returns (bool) {
+ function _setInitializedVersion(uint8 version) internal returns (bool) {
// If the contract is initializing we ignore whether _initialized is set in order to support multiple
// inheritance patterns, but we only do this in the context of a constructor, and for the lowest level
// of initializers, because in other contexts the contract may have been reentered.
diff -ruN token/ERC1155/ERC1155.sol token/ERC1155/ERC1155.sol
--- token/ERC1155/ERC1155.sol 2022-05-25 09:38:35.000000000 -0700
+++ token/ERC1155/ERC1155.sol 2022-06-01 15:28:29.000000000 -0700
@@ -268,7 +268,7 @@
uint256 id,
uint256 amount,
bytes memory data
- ) internal virtual {
+ ) public virtual { // HARNESS: internal -> public
require(to != address(0), "ERC1155: mint to the zero address");
address operator = _msgSender();
@@ -301,7 +301,7 @@
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
- ) internal virtual {
+ ) public virtual { // HARNESS: internal -> public
require(to != address(0), "ERC1155: mint to the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
@@ -334,7 +334,7 @@
address from,
uint256 id,
uint256 amount
- ) internal virtual {
+ ) public virtual { // HARNESS: internal -> public
require(from != address(0), "ERC1155: burn from the zero address");
address operator = _msgSender();
@@ -367,7 +367,7 @@
address from,
uint256[] memory ids,
uint256[] memory amounts
- ) internal virtual {
+ ) public virtual { // HARNESS: internal -> public
require(from != address(0), "ERC1155: burn from the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
@@ -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/ERC20.sol token/ERC20/ERC20.sol
--- token/ERC20/ERC20.sol 2022-05-25 09:38:35.000000000 -0700
+++ token/ERC20/ERC20.sol 2022-06-01 15:28:29.000000000 -0700
@@ -277,7 +277,7 @@
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
- function _burn(address account, uint256 amount) internal virtual {
+ function _burn(address account, uint256 amount) public virtual { // HARNESS: internal -> public
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
diff -ruN token/ERC20/extensions/ERC20FlashMint.sol token/ERC20/extensions/ERC20FlashMint.sol
--- token/ERC20/extensions/ERC20FlashMint.sol 2022-05-25 09:38:35.000000000 -0700
+++ token/ERC20/extensions/ERC20FlashMint.sol 2022-06-01 15:28:29.000000000 -0700
@@ -40,9 +40,11 @@
require(token == address(this), "ERC20FlashMint: wrong token");
// silence warning about unused variable without the addition of bytecode.
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 2022-05-06 13:43:21.000000000 -0700
+++ token/ERC20/extensions/ERC20Votes.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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;
/**
@@ -169,7 +169,7 @@
/**
* @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 {
super._burn(account, amount);
_writeCheckpoint(_totalSupplyCheckpoints, _subtract, amount);
diff -ruN token/ERC20/extensions/ERC20Wrapper.sol token/ERC20/extensions/ERC20Wrapper.sol
--- token/ERC20/extensions/ERC20Wrapper.sol 2022-05-25 09:38:35.000000000 -0700
+++ token/ERC20/extensions/ERC20Wrapper.sol 2022-06-01 15:28:29.000000000 -0700
@@ -55,7 +55,7 @@
* @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 2022-05-25 09:38:35.000000000 -0700
+++ token/ERC721/extensions/draft-ERC721Votes.sol 2022-06-01 15:28:29.000000000 -0700
@@ -34,7 +34,7 @@
/**
* @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 2022-05-25 09:38:35.000000000 -0700
+++ utils/Address.sol 2022-06-01 15:28:29.000000000 -0700
@@ -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");
require(isContract(target), "Address: call to non-contract");