openzeppelin-contracts/certora/harnesses/WizardFirstTry.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

import "../munged/governance/Governor.sol";
import "../munged/governance/extensions/GovernorCountingSimple.sol";
import "../munged/governance/extensions/GovernorVotes.sol";
import "../munged/governance/extensions/GovernorVotesQuorumFraction.sol";
import "../munged/governance/extensions/GovernorTimelockCompound.sol";
import "../munged/token/ERC20/extensions/ERC20Votes.sol";

/*
Wizard options:
ERC20Votes
TimelockCompound
*/

contract WizardFirstTry is
    Governor,
    GovernorCountingSimple,
    GovernorVotes,
    GovernorVotesQuorumFraction,
    GovernorTimelockCompound
{
    constructor(
        ERC20Votes _token,
        ICompoundTimelock _timelock,
        string memory name,
        uint256 quorumFraction
    )
        Governor(name)
        GovernorVotes(_token)
        GovernorVotesQuorumFraction(quorumFraction)
        GovernorTimelockCompound(_timelock)
    {}

    //HARNESS

    function isExecuted(uint256 proposalId) public view returns (bool) {
        return _proposals[proposalId].executed;
    }

    function isCanceled(uint256 proposalId) public view returns (bool) {
        return _proposals[proposalId].canceled;
    }

    function snapshot(uint256 proposalId) public view returns (uint64) {
        return _proposals[proposalId].voteStart._deadline;
    }

    function getExecutor() public view returns (address) {
        return _executor();
    }

    uint256 _votingDelay;

    uint256 _votingPeriod;

    mapping(uint256 => uint256) public ghost_sum_vote_power_by_id;

    function _castVote(
        uint256 proposalId,
        address account,
        uint8 support,
        string memory reason
    ) internal virtual override returns (uint256) {
        uint256 deltaWeight = super._castVote(proposalId, account, support, reason); //HARNESS
        ghost_sum_vote_power_by_id[proposalId] += deltaWeight;

        return deltaWeight;
    }

    // original code, harnessed

    function votingDelay() public view virtual override returns (uint256) {
        // HARNESS: pure -> view
        return _votingDelay; // HARNESS: parametric
    }

    function votingPeriod() public view virtual override returns (uint256) {
        // HARNESS: pure -> view
        return _votingPeriod; // HARNESS: parametric
    }

    // original code, not harnessed
    // The following functions are overrides required by Solidity.

    function quorum(uint256 blockNumber)
        public
        view
        override(IGovernor, GovernorVotesQuorumFraction)
        returns (uint256)
    {
        return super.quorum(blockNumber);
    }

    function getVotes(address account, uint256 blockNumber)
        public
        view
        override(IGovernor, Governor)
        returns (uint256)
    {
        return super.getVotes(account, blockNumber);
    }

    function state(uint256 proposalId)
        public
        view
        override(Governor, GovernorTimelockCompound)
        returns (ProposalState)
    {
        return super.state(proposalId);
    }

    function propose(
        address[] memory targets,
        uint256[] memory values,
        bytes[] memory calldatas,
        string memory description
    ) public override(Governor, IGovernor) returns (uint256) {
        return super.propose(targets, values, calldatas, description);
    }

    function _execute(
        uint256 proposalId,
        address[] memory targets,
        uint256[] memory values,
        bytes[] memory calldatas,
        bytes32 descriptionHash
    ) internal override(Governor, GovernorTimelockCompound) {
        super._execute(proposalId, targets, values, calldatas, descriptionHash);
    }

    function _cancel(
        address[] memory targets,
        uint256[] memory values,
        bytes[] memory calldatas,
        bytes32 descriptionHash
    ) internal override(Governor, GovernorTimelockCompound) returns (uint256) {
        return super._cancel(targets, values, calldatas, descriptionHash);
    }

    function _executor() internal view override(Governor, GovernorTimelockCompound) returns (address) {
        return super._executor();
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(Governor, GovernorTimelockCompound)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }
}