@bitriel/governance/contracts/artifacts/build-info/d374dbbdc8d1c1a04649dde03da43402.json

On-chain DAO governance for Bitriel Protocol

{
	"id": "d374dbbdc8d1c1a04649dde03da43402",
	"_format": "hh-sol-build-info-1",
	"solcVersion": "0.8.7",
	"solcLongVersion": "0.8.7+commit.e28d00a7",
	"input": {
		"language": "Solidity",
		"sources": {
			"contracts/BitrielGovernance.sol": {
				"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\nimport \"@openzeppelin/contracts/governance/Governor.sol\";\nimport \"@openzeppelin/contracts/governance/extensions/GovernorSettings.sol\";\nimport \"@openzeppelin/contracts/governance/compatibility/GovernorCompatibilityBravo.sol\";\nimport \"@openzeppelin/contracts/governance/extensions/GovernorVotes.sol\";\nimport \"@openzeppelin/contracts/governance/extensions/GovernorVotesQuorumFraction.sol\";\nimport \"@openzeppelin/contracts/governance/extensions/GovernorTimelockControl.sol\";\n\ncontract BitrielGovernor is Governor, GovernorSettings, GovernorCompatibilityBravo, GovernorVotes, GovernorVotesQuorumFraction, GovernorTimelockControl {\n    constructor(IVotes _token, TimelockController _timelock)\n        Governor(\"BitrielGovernor\")\n        GovernorSettings(1 /* 1 block */, 25200 /* 1 week */, 0)\n        GovernorVotes(_token)\n        GovernorVotesQuorumFraction(4)\n        GovernorTimelockControl(_timelock)\n    {}\n\n    /// @notice The total number of proposals\n    uint public proposalCount;\n\n    /// @notice The latest proposal for each proposer\n    mapping (address => uint) public latestProposalIds;\n\n    // The following functions are overrides required by Solidity.\n\n    function votingDelay()\n        public\n        view\n        override(IGovernor, GovernorSettings)\n        returns (uint256)\n    {\n        return super.votingDelay();\n    }\n\n    function votingPeriod()\n        public\n        view\n        override(IGovernor, GovernorSettings)\n        returns (uint256)\n    {\n        return super.votingPeriod();\n    }\n\n    function quorum(uint256 blockNumber)\n        public\n        view\n        override(IGovernor, GovernorVotesQuorumFraction)\n        returns (uint256)\n    {\n        return super.quorum(blockNumber);\n    }\n\n    function getVotes(address account, uint256 blockNumber)\n        public\n        view\n        override(IGovernor, GovernorVotes)\n        returns (uint256)\n    {\n        return super.getVotes(account, blockNumber);\n    }\n\n    function state(uint256 proposalId)\n        public\n        view\n        override(Governor, IGovernor, GovernorTimelockControl)\n        returns (ProposalState)\n    {\n        return super.state(proposalId);\n    }\n\n    function propose(address[] memory targets, uint256[] memory values, bytes[] memory calldatas, string memory description)\n        public\n        override(Governor, GovernorCompatibilityBravo, IGovernor)\n        returns (uint256)\n    {\n        proposalCount++;\n        latestProposalIds[msg.sender] = proposalCount;\n        return super.propose(targets, values, calldatas, description);\n    }\n\n    function proposalThreshold()\n        public\n        view\n        override(Governor, GovernorSettings)\n        returns (uint256)\n    {\n        return super.proposalThreshold();\n    }\n\n    function _execute(uint256 proposalId, address[] memory targets, uint256[] memory values, bytes[] memory calldatas, bytes32 descriptionHash)\n        internal\n        override(Governor, GovernorTimelockControl)\n    {\n        super._execute(proposalId, targets, values, calldatas, descriptionHash);\n    }\n\n    function _cancel(address[] memory targets, uint256[] memory values, bytes[] memory calldatas, bytes32 descriptionHash)\n        internal\n        override(Governor, GovernorTimelockControl)\n        returns (uint256)\n    {\n        return super._cancel(targets, values, calldatas, descriptionHash);\n    }\n\n    function _executor()\n        internal\n        view\n        override(Governor, GovernorTimelockControl)\n        returns (address)\n    {\n        return super._executor();\n    }\n\n    function supportsInterface(bytes4 interfaceId)\n        public\n        view\n        override(Governor, IERC165, GovernorTimelockControl)\n        returns (bool)\n    {\n        return super.supportsInterface(interfaceId);\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/extensions/GovernorTimelockControl.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorTimelockControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IGovernorTimelock.sol\";\nimport \"../Governor.sol\";\nimport \"../TimelockController.sol\";\n\n/**\n * @dev Extension of {Governor} that binds the execution process to an instance of {TimelockController}. This adds a\n * delay, enforced by the {TimelockController} to all successful proposal (in addition to the voting duration). The\n * {Governor} needs the proposer (and ideally the executor) roles for the {Governor} to work properly.\n *\n * Using this model means the proposal will be operated by the {TimelockController} and not by the {Governor}. Thus,\n * the assets and permissions must be attached to the {TimelockController}. Any asset sent to the {Governor} will be\n * inaccessible.\n *\n * WARNING: Setting up the TimelockController to have additional proposers besides the governor is very risky, as it\n * grants them powers that they must be trusted or known not to use: 1) {onlyGovernance} functions like {relay} are\n * available to them through the timelock, and 2) approved governance proposals can be blocked by them, effectively\n * executing a Denial of Service attack. This risk will be mitigated in a future release.\n *\n * _Available since v4.3._\n */\nabstract contract GovernorTimelockControl is IGovernorTimelock, Governor {\n    TimelockController private _timelock;\n    mapping(uint256 => bytes32) private _timelockIds;\n\n    /**\n     * @dev Emitted when the timelock controller used for proposal execution is modified.\n     */\n    event TimelockChange(address oldTimelock, address newTimelock);\n\n    /**\n     * @dev Set the timelock.\n     */\n    constructor(TimelockController timelockAddress) {\n        _updateTimelock(timelockAddress);\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, Governor) returns (bool) {\n        return interfaceId == type(IGovernorTimelock).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev Overriden version of the {Governor-state} function with added support for the `Queued` status.\n     */\n    function state(uint256 proposalId) public view virtual override(IGovernor, Governor) returns (ProposalState) {\n        ProposalState status = super.state(proposalId);\n\n        if (status != ProposalState.Succeeded) {\n            return status;\n        }\n\n        // core tracks execution, so we just have to check if successful proposal have been queued.\n        bytes32 queueid = _timelockIds[proposalId];\n        if (queueid == bytes32(0)) {\n            return status;\n        } else if (_timelock.isOperationDone(queueid)) {\n            return ProposalState.Executed;\n        } else if (_timelock.isOperationPending(queueid)) {\n            return ProposalState.Queued;\n        } else {\n            return ProposalState.Canceled;\n        }\n    }\n\n    /**\n     * @dev Public accessor to check the address of the timelock\n     */\n    function timelock() public view virtual override returns (address) {\n        return address(_timelock);\n    }\n\n    /**\n     * @dev Public accessor to check the eta of a queued proposal\n     */\n    function proposalEta(uint256 proposalId) public view virtual override returns (uint256) {\n        uint256 eta = _timelock.getTimestamp(_timelockIds[proposalId]);\n        return eta == 1 ? 0 : eta; // _DONE_TIMESTAMP (1) should be replaced with a 0 value\n    }\n\n    /**\n     * @dev Function to queue a proposal to the timelock.\n     */\n    function queue(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 descriptionHash\n    ) public virtual override returns (uint256) {\n        uint256 proposalId = hashProposal(targets, values, calldatas, descriptionHash);\n\n        require(state(proposalId) == ProposalState.Succeeded, \"Governor: proposal not successful\");\n\n        uint256 delay = _timelock.getMinDelay();\n        _timelockIds[proposalId] = _timelock.hashOperationBatch(targets, values, calldatas, 0, descriptionHash);\n        _timelock.scheduleBatch(targets, values, calldatas, 0, descriptionHash, delay);\n\n        emit ProposalQueued(proposalId, block.timestamp + delay);\n\n        return proposalId;\n    }\n\n    /**\n     * @dev Overriden execute function that run the already queued proposal through the timelock.\n     */\n    function _execute(\n        uint256, /* proposalId */\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 descriptionHash\n    ) internal virtual override {\n        _timelock.executeBatch{value: msg.value}(targets, values, calldatas, 0, descriptionHash);\n    }\n\n    /**\n     * @dev Overriden version of the {Governor-_cancel} function to cancel the timelocked proposal if it as already\n     * been queued.\n     */\n    function _cancel(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 descriptionHash\n    ) internal virtual override returns (uint256) {\n        uint256 proposalId = super._cancel(targets, values, calldatas, descriptionHash);\n\n        if (_timelockIds[proposalId] != 0) {\n            _timelock.cancel(_timelockIds[proposalId]);\n            delete _timelockIds[proposalId];\n        }\n\n        return proposalId;\n    }\n\n    /**\n     * @dev Address through which the governor executes action. In this case, the timelock.\n     */\n    function _executor() internal view virtual override returns (address) {\n        return address(_timelock);\n    }\n\n    /**\n     * @dev Public endpoint to update the underlying timelock instance. Restricted to the timelock itself, so updates\n     * must be proposed, scheduled, and executed through governance proposals.\n     *\n     * CAUTION: It is not recommended to change the timelock while there are other queued governance proposals.\n     */\n    function updateTimelock(TimelockController newTimelock) external virtual onlyGovernance {\n        _updateTimelock(newTimelock);\n    }\n\n    function _updateTimelock(TimelockController newTimelock) private {\n        emit TimelockChange(address(_timelock), address(newTimelock));\n        _timelock = newTimelock;\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/extensions/GovernorVotesQuorumFraction.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorVotesQuorumFraction.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./GovernorVotes.sol\";\n\n/**\n * @dev Extension of {Governor} for voting weight extraction from an {ERC20Votes} token and a quorum expressed as a\n * fraction of the total supply.\n *\n * _Available since v4.3._\n */\nabstract contract GovernorVotesQuorumFraction is GovernorVotes {\n    uint256 private _quorumNumerator;\n\n    event QuorumNumeratorUpdated(uint256 oldQuorumNumerator, uint256 newQuorumNumerator);\n\n    /**\n     * @dev Initialize quorum as a fraction of the token's total supply.\n     *\n     * The fraction is specified as `numerator / denominator`. By default the denominator is 100, so quorum is\n     * specified as a percent: a numerator of 10 corresponds to quorum being 10% of total supply. The denominator can be\n     * customized by overriding {quorumDenominator}.\n     */\n    constructor(uint256 quorumNumeratorValue) {\n        _updateQuorumNumerator(quorumNumeratorValue);\n    }\n\n    /**\n     * @dev Returns the current quorum numerator. See {quorumDenominator}.\n     */\n    function quorumNumerator() public view virtual returns (uint256) {\n        return _quorumNumerator;\n    }\n\n    /**\n     * @dev Returns the quorum denominator. Defaults to 100, but may be overridden.\n     */\n    function quorumDenominator() public view virtual returns (uint256) {\n        return 100;\n    }\n\n    /**\n     * @dev Returns the quorum for a block number, in terms of number of votes: `supply * numerator / denominator`.\n     */\n    function quorum(uint256 blockNumber) public view virtual override returns (uint256) {\n        return (token.getPastTotalSupply(blockNumber) * quorumNumerator()) / quorumDenominator();\n    }\n\n    /**\n     * @dev Changes the quorum numerator.\n     *\n     * Emits a {QuorumNumeratorUpdated} event.\n     *\n     * Requirements:\n     *\n     * - Must be called through a governance proposal.\n     * - New numerator must be smaller or equal to the denominator.\n     */\n    function updateQuorumNumerator(uint256 newQuorumNumerator) external virtual onlyGovernance {\n        _updateQuorumNumerator(newQuorumNumerator);\n    }\n\n    /**\n     * @dev Changes the quorum numerator.\n     *\n     * Emits a {QuorumNumeratorUpdated} event.\n     *\n     * Requirements:\n     *\n     * - New numerator must be smaller or equal to the denominator.\n     */\n    function _updateQuorumNumerator(uint256 newQuorumNumerator) internal virtual {\n        require(\n            newQuorumNumerator <= quorumDenominator(),\n            \"GovernorVotesQuorumFraction: quorumNumerator over quorumDenominator\"\n        );\n\n        uint256 oldQuorumNumerator = _quorumNumerator;\n        _quorumNumerator = newQuorumNumerator;\n\n        emit QuorumNumeratorUpdated(oldQuorumNumerator, newQuorumNumerator);\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/extensions/GovernorVotes.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorVotes.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Governor.sol\";\nimport \"../utils/IVotes.sol\";\n\n/**\n * @dev Extension of {Governor} for voting weight extraction from an {ERC20Votes} token, or since v4.5 an {ERC721Votes} token.\n *\n * _Available since v4.3._\n */\nabstract contract GovernorVotes is Governor {\n    IVotes public immutable token;\n\n    constructor(IVotes tokenAddress) {\n        token = tokenAddress;\n    }\n\n    /**\n     * Read the voting weight from the token's built in snapshot mechanism (see {IGovernor-getVotes}).\n     */\n    function getVotes(address account, uint256 blockNumber) public view virtual override returns (uint256) {\n        return token.getPastVotes(account, blockNumber);\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/compatibility/GovernorCompatibilityBravo.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/compatibility/GovernorCompatibilityBravo.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/Counters.sol\";\nimport \"../../utils/math/SafeCast.sol\";\nimport \"../extensions/IGovernorTimelock.sol\";\nimport \"../Governor.sol\";\nimport \"./IGovernorCompatibilityBravo.sol\";\n\n/**\n * @dev Compatibility layer that implements GovernorBravo compatibility on to of {Governor}.\n *\n * This compatibility layer includes a voting system and requires a {IGovernorTimelock} compatible module to be added\n * through inheritance. It does not include token bindings, not does it include any variable upgrade patterns.\n *\n * NOTE: When using this module, you may need to enable the Solidity optimizer to avoid hitting the contract size limit.\n *\n * _Available since v4.3._\n */\nabstract contract GovernorCompatibilityBravo is IGovernorTimelock, IGovernorCompatibilityBravo, Governor {\n    using Counters for Counters.Counter;\n    using Timers for Timers.BlockNumber;\n\n    enum VoteType {\n        Against,\n        For,\n        Abstain\n    }\n\n    struct ProposalDetails {\n        address proposer;\n        address[] targets;\n        uint256[] values;\n        string[] signatures;\n        bytes[] calldatas;\n        uint256 forVotes;\n        uint256 againstVotes;\n        uint256 abstainVotes;\n        mapping(address => Receipt) receipts;\n        bytes32 descriptionHash;\n    }\n\n    mapping(uint256 => ProposalDetails) private _proposalDetails;\n\n    // solhint-disable-next-line func-name-mixedcase\n    function COUNTING_MODE() public pure virtual override returns (string memory) {\n        return \"support=bravo&quorum=bravo\";\n    }\n\n    // ============================================== Proposal lifecycle ==============================================\n    /**\n     * @dev See {IGovernor-propose}.\n     */\n    function propose(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        string memory description\n    ) public virtual override(IGovernor, Governor) returns (uint256) {\n        _storeProposal(_msgSender(), targets, values, new string[](calldatas.length), calldatas, description);\n        return super.propose(targets, values, calldatas, description);\n    }\n\n    /**\n     * @dev See {IGovernorCompatibilityBravo-propose}.\n     */\n    function propose(\n        address[] memory targets,\n        uint256[] memory values,\n        string[] memory signatures,\n        bytes[] memory calldatas,\n        string memory description\n    ) public virtual override returns (uint256) {\n        _storeProposal(_msgSender(), targets, values, signatures, calldatas, description);\n        return propose(targets, values, _encodeCalldata(signatures, calldatas), description);\n    }\n\n    /**\n     * @dev See {IGovernorCompatibilityBravo-queue}.\n     */\n    function queue(uint256 proposalId) public virtual override {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        queue(\n            details.targets,\n            details.values,\n            _encodeCalldata(details.signatures, details.calldatas),\n            details.descriptionHash\n        );\n    }\n\n    /**\n     * @dev See {IGovernorCompatibilityBravo-execute}.\n     */\n    function execute(uint256 proposalId) public payable virtual override {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        execute(\n            details.targets,\n            details.values,\n            _encodeCalldata(details.signatures, details.calldatas),\n            details.descriptionHash\n        );\n    }\n\n    function cancel(uint256 proposalId) public virtual override {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n\n        require(\n            _msgSender() == details.proposer || getVotes(details.proposer, block.number - 1) < proposalThreshold(),\n            \"GovernorBravo: proposer above threshold\"\n        );\n\n        _cancel(\n            details.targets,\n            details.values,\n            _encodeCalldata(details.signatures, details.calldatas),\n            details.descriptionHash\n        );\n    }\n\n    /**\n     * @dev Encodes calldatas with optional function signature.\n     */\n    function _encodeCalldata(string[] memory signatures, bytes[] memory calldatas)\n        private\n        pure\n        returns (bytes[] memory)\n    {\n        bytes[] memory fullcalldatas = new bytes[](calldatas.length);\n\n        for (uint256 i = 0; i < signatures.length; ++i) {\n            fullcalldatas[i] = bytes(signatures[i]).length == 0\n                ? calldatas[i]\n                : abi.encodePacked(bytes4(keccak256(bytes(signatures[i]))), calldatas[i]);\n        }\n\n        return fullcalldatas;\n    }\n\n    /**\n     * @dev Store proposal metadata for later lookup\n     */\n    function _storeProposal(\n        address proposer,\n        address[] memory targets,\n        uint256[] memory values,\n        string[] memory signatures,\n        bytes[] memory calldatas,\n        string memory description\n    ) private {\n        bytes32 descriptionHash = keccak256(bytes(description));\n        uint256 proposalId = hashProposal(targets, values, _encodeCalldata(signatures, calldatas), descriptionHash);\n\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        if (details.descriptionHash == bytes32(0)) {\n            details.proposer = proposer;\n            details.targets = targets;\n            details.values = values;\n            details.signatures = signatures;\n            details.calldatas = calldatas;\n            details.descriptionHash = descriptionHash;\n        }\n    }\n\n    // ==================================================== Views =====================================================\n    /**\n     * @dev See {IGovernorCompatibilityBravo-proposals}.\n     */\n    function proposals(uint256 proposalId)\n        public\n        view\n        virtual\n        override\n        returns (\n            uint256 id,\n            address proposer,\n            uint256 eta,\n            uint256 startBlock,\n            uint256 endBlock,\n            uint256 forVotes,\n            uint256 againstVotes,\n            uint256 abstainVotes,\n            bool canceled,\n            bool executed\n        )\n    {\n        id = proposalId;\n        eta = proposalEta(proposalId);\n        startBlock = proposalSnapshot(proposalId);\n        endBlock = proposalDeadline(proposalId);\n\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        proposer = details.proposer;\n        forVotes = details.forVotes;\n        againstVotes = details.againstVotes;\n        abstainVotes = details.abstainVotes;\n\n        ProposalState status = state(proposalId);\n        canceled = status == ProposalState.Canceled;\n        executed = status == ProposalState.Executed;\n    }\n\n    /**\n     * @dev See {IGovernorCompatibilityBravo-getActions}.\n     */\n    function getActions(uint256 proposalId)\n        public\n        view\n        virtual\n        override\n        returns (\n            address[] memory targets,\n            uint256[] memory values,\n            string[] memory signatures,\n            bytes[] memory calldatas\n        )\n    {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        return (details.targets, details.values, details.signatures, details.calldatas);\n    }\n\n    /**\n     * @dev See {IGovernorCompatibilityBravo-getReceipt}.\n     */\n    function getReceipt(uint256 proposalId, address voter) public view virtual override returns (Receipt memory) {\n        return _proposalDetails[proposalId].receipts[voter];\n    }\n\n    /**\n     * @dev See {IGovernorCompatibilityBravo-quorumVotes}.\n     */\n    function quorumVotes() public view virtual override returns (uint256) {\n        return quorum(block.number - 1);\n    }\n\n    // ==================================================== Voting ====================================================\n    /**\n     * @dev See {IGovernor-hasVoted}.\n     */\n    function hasVoted(uint256 proposalId, address account) public view virtual override returns (bool) {\n        return _proposalDetails[proposalId].receipts[account].hasVoted;\n    }\n\n    /**\n     * @dev See {Governor-_quorumReached}. In this module, only forVotes count toward the quorum.\n     */\n    function _quorumReached(uint256 proposalId) internal view virtual override returns (bool) {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        return quorum(proposalSnapshot(proposalId)) <= details.forVotes;\n    }\n\n    /**\n     * @dev See {Governor-_voteSucceeded}. In this module, the forVotes must be scritly over the againstVotes.\n     */\n    function _voteSucceeded(uint256 proposalId) internal view virtual override returns (bool) {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        return details.forVotes > details.againstVotes;\n    }\n\n    /**\n     * @dev See {Governor-_countVote}. In this module, the support follows Governor Bravo.\n     */\n    function _countVote(\n        uint256 proposalId,\n        address account,\n        uint8 support,\n        uint256 weight\n    ) internal virtual override {\n        ProposalDetails storage details = _proposalDetails[proposalId];\n        Receipt storage receipt = details.receipts[account];\n\n        require(!receipt.hasVoted, \"GovernorCompatibilityBravo: vote already cast\");\n        receipt.hasVoted = true;\n        receipt.support = support;\n        receipt.votes = SafeCast.toUint96(weight);\n\n        if (support == uint8(VoteType.Against)) {\n            details.againstVotes += weight;\n        } else if (support == uint8(VoteType.For)) {\n            details.forVotes += weight;\n        } else if (support == uint8(VoteType.Abstain)) {\n            details.abstainVotes += weight;\n        } else {\n            revert(\"GovernorCompatibilityBravo: invalid vote type\");\n        }\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/extensions/GovernorSettings.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (governance/extensions/GovernorSettings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Governor.sol\";\n\n/**\n * @dev Extension of {Governor} for settings updatable through governance.\n *\n * _Available since v4.4._\n */\nabstract contract GovernorSettings is Governor {\n    uint256 private _votingDelay;\n    uint256 private _votingPeriod;\n    uint256 private _proposalThreshold;\n\n    event VotingDelaySet(uint256 oldVotingDelay, uint256 newVotingDelay);\n    event VotingPeriodSet(uint256 oldVotingPeriod, uint256 newVotingPeriod);\n    event ProposalThresholdSet(uint256 oldProposalThreshold, uint256 newProposalThreshold);\n\n    /**\n     * @dev Initialize the governance parameters.\n     */\n    constructor(\n        uint256 initialVotingDelay,\n        uint256 initialVotingPeriod,\n        uint256 initialProposalThreshold\n    ) {\n        _setVotingDelay(initialVotingDelay);\n        _setVotingPeriod(initialVotingPeriod);\n        _setProposalThreshold(initialProposalThreshold);\n    }\n\n    /**\n     * @dev See {IGovernor-votingDelay}.\n     */\n    function votingDelay() public view virtual override returns (uint256) {\n        return _votingDelay;\n    }\n\n    /**\n     * @dev See {IGovernor-votingPeriod}.\n     */\n    function votingPeriod() public view virtual override returns (uint256) {\n        return _votingPeriod;\n    }\n\n    /**\n     * @dev See {Governor-proposalThreshold}.\n     */\n    function proposalThreshold() public view virtual override returns (uint256) {\n        return _proposalThreshold;\n    }\n\n    /**\n     * @dev Update the voting delay. This operation can only be performed through a governance proposal.\n     *\n     * Emits a {VotingDelaySet} event.\n     */\n    function setVotingDelay(uint256 newVotingDelay) public virtual onlyGovernance {\n        _setVotingDelay(newVotingDelay);\n    }\n\n    /**\n     * @dev Update the voting period. This operation can only be performed through a governance proposal.\n     *\n     * Emits a {VotingPeriodSet} event.\n     */\n    function setVotingPeriod(uint256 newVotingPeriod) public virtual onlyGovernance {\n        _setVotingPeriod(newVotingPeriod);\n    }\n\n    /**\n     * @dev Update the proposal threshold. This operation can only be performed through a governance proposal.\n     *\n     * Emits a {ProposalThresholdSet} event.\n     */\n    function setProposalThreshold(uint256 newProposalThreshold) public virtual onlyGovernance {\n        _setProposalThreshold(newProposalThreshold);\n    }\n\n    /**\n     * @dev Internal setter for the voting delay.\n     *\n     * Emits a {VotingDelaySet} event.\n     */\n    function _setVotingDelay(uint256 newVotingDelay) internal virtual {\n        emit VotingDelaySet(_votingDelay, newVotingDelay);\n        _votingDelay = newVotingDelay;\n    }\n\n    /**\n     * @dev Internal setter for the voting period.\n     *\n     * Emits a {VotingPeriodSet} event.\n     */\n    function _setVotingPeriod(uint256 newVotingPeriod) internal virtual {\n        // voting period must be at least one block long\n        require(newVotingPeriod > 0, \"GovernorSettings: voting period too low\");\n        emit VotingPeriodSet(_votingPeriod, newVotingPeriod);\n        _votingPeriod = newVotingPeriod;\n    }\n\n    /**\n     * @dev Internal setter for the proposal threshold.\n     *\n     * Emits a {ProposalThresholdSet} event.\n     */\n    function _setProposalThreshold(uint256 newProposalThreshold) internal virtual {\n        emit ProposalThresholdSet(_proposalThreshold, newProposalThreshold);\n        _proposalThreshold = newProposalThreshold;\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/Governor.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/Governor.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/cryptography/ECDSA.sol\";\nimport \"../utils/cryptography/draft-EIP712.sol\";\nimport \"../utils/introspection/ERC165.sol\";\nimport \"../utils/math/SafeCast.sol\";\nimport \"../utils/Address.sol\";\nimport \"../utils/Context.sol\";\nimport \"../utils/Timers.sol\";\nimport \"./IGovernor.sol\";\n\n/**\n * @dev Core of the governance system, designed to be extended though various modules.\n *\n * This contract is abstract and requires several function to be implemented in various modules:\n *\n * - A counting module must implement {quorum}, {_quorumReached}, {_voteSucceeded} and {_countVote}\n * - A voting module must implement {getVotes}\n * - Additionanly, the {votingPeriod} must also be implemented\n *\n * _Available since v4.3._\n */\nabstract contract Governor is Context, ERC165, EIP712, IGovernor {\n    using SafeCast for uint256;\n    using Timers for Timers.BlockNumber;\n\n    bytes32 public constant BALLOT_TYPEHASH = keccak256(\"Ballot(uint256 proposalId,uint8 support)\");\n\n    struct ProposalCore {\n        Timers.BlockNumber voteStart;\n        Timers.BlockNumber voteEnd;\n        bool executed;\n        bool canceled;\n    }\n\n    string private _name;\n\n    mapping(uint256 => ProposalCore) private _proposals;\n\n    /**\n     * @dev Restrict access of functions to the governance executor, which may be the Governor itself or a timelock\n     * contract, as specified by {_executor}. This generally means that function with this modifier must be voted on and\n     * executed through the governance protocol.\n     */\n    modifier onlyGovernance() {\n        require(_msgSender() == _executor(), \"Governor: onlyGovernance\");\n        _;\n    }\n\n    /**\n     * @dev Sets the value for {name} and {version}\n     */\n    constructor(string memory name_) EIP712(name_, version()) {\n        _name = name_;\n    }\n\n    /**\n     * @dev Function to receive ETH that will be handled by the governor (disabled if executor is a third party contract)\n     */\n    receive() external payable virtual {\n        require(_executor() == address(this));\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {\n        return interfaceId == type(IGovernor).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev See {IGovernor-name}.\n     */\n    function name() public view virtual override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev See {IGovernor-version}.\n     */\n    function version() public view virtual override returns (string memory) {\n        return \"1\";\n    }\n\n    /**\n     * @dev See {IGovernor-hashProposal}.\n     *\n     * The proposal id is produced by hashing the RLC encoded `targets` array, the `values` array, the `calldatas` array\n     * and the descriptionHash (bytes32 which itself is the keccak256 hash of the description string). This proposal id\n     * can be produced from the proposal data which is part of the {ProposalCreated} event. It can even be computed in\n     * advance, before the proposal is submitted.\n     *\n     * Note that the chainId and the governor address are not part of the proposal id computation. Consequently, the\n     * same proposal (with same operation and same description) will have the same id if submitted on multiple governors\n     * accross multiple networks. This also means that in order to execute the same operation twice (on the same\n     * governor) the proposer will have to change the description in order to avoid proposal id conflicts.\n     */\n    function hashProposal(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 descriptionHash\n    ) public pure virtual override returns (uint256) {\n        return uint256(keccak256(abi.encode(targets, values, calldatas, descriptionHash)));\n    }\n\n    /**\n     * @dev See {IGovernor-state}.\n     */\n    function state(uint256 proposalId) public view virtual override returns (ProposalState) {\n        ProposalCore storage proposal = _proposals[proposalId];\n\n        if (proposal.executed) {\n            return ProposalState.Executed;\n        }\n\n        if (proposal.canceled) {\n            return ProposalState.Canceled;\n        }\n\n        uint256 snapshot = proposalSnapshot(proposalId);\n\n        if (snapshot == 0) {\n            revert(\"Governor: unknown proposal id\");\n        }\n\n        if (snapshot >= block.number) {\n            return ProposalState.Pending;\n        }\n\n        uint256 deadline = proposalDeadline(proposalId);\n\n        if (deadline >= block.number) {\n            return ProposalState.Active;\n        }\n\n        if (_quorumReached(proposalId) && _voteSucceeded(proposalId)) {\n            return ProposalState.Succeeded;\n        } else {\n            return ProposalState.Defeated;\n        }\n    }\n\n    /**\n     * @dev See {IGovernor-proposalSnapshot}.\n     */\n    function proposalSnapshot(uint256 proposalId) public view virtual override returns (uint256) {\n        return _proposals[proposalId].voteStart.getDeadline();\n    }\n\n    /**\n     * @dev See {IGovernor-proposalDeadline}.\n     */\n    function proposalDeadline(uint256 proposalId) public view virtual override returns (uint256) {\n        return _proposals[proposalId].voteEnd.getDeadline();\n    }\n\n    /**\n     * @dev Part of the Governor Bravo's interface: _\"The number of votes required in order for a voter to become a proposer\"_.\n     */\n    function proposalThreshold() public view virtual returns (uint256) {\n        return 0;\n    }\n\n    /**\n     * @dev Amount of votes already cast passes the threshold limit.\n     */\n    function _quorumReached(uint256 proposalId) internal view virtual returns (bool);\n\n    /**\n     * @dev Is the proposal successful or not.\n     */\n    function _voteSucceeded(uint256 proposalId) internal view virtual returns (bool);\n\n    /**\n     * @dev Register a vote with a given support and voting weight.\n     *\n     * Note: Support is generic and can represent various things depending on the voting system used.\n     */\n    function _countVote(\n        uint256 proposalId,\n        address account,\n        uint8 support,\n        uint256 weight\n    ) internal virtual;\n\n    /**\n     * @dev See {IGovernor-propose}.\n     */\n    function propose(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        string memory description\n    ) public virtual override returns (uint256) {\n        require(\n            getVotes(msg.sender, block.number - 1) >= proposalThreshold(),\n            \"GovernorCompatibilityBravo: proposer votes below proposal threshold\"\n        );\n\n        uint256 proposalId = hashProposal(targets, values, calldatas, keccak256(bytes(description)));\n\n        require(targets.length == values.length, \"Governor: invalid proposal length\");\n        require(targets.length == calldatas.length, \"Governor: invalid proposal length\");\n        require(targets.length > 0, \"Governor: empty proposal\");\n\n        ProposalCore storage proposal = _proposals[proposalId];\n        require(proposal.voteStart.isUnset(), \"Governor: proposal already exists\");\n\n        uint64 snapshot = block.number.toUint64() + votingDelay().toUint64();\n        uint64 deadline = snapshot + votingPeriod().toUint64();\n\n        proposal.voteStart.setDeadline(snapshot);\n        proposal.voteEnd.setDeadline(deadline);\n\n        emit ProposalCreated(\n            proposalId,\n            _msgSender(),\n            targets,\n            values,\n            new string[](targets.length),\n            calldatas,\n            snapshot,\n            deadline,\n            description\n        );\n\n        return proposalId;\n    }\n\n    /**\n     * @dev See {IGovernor-execute}.\n     */\n    function execute(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 descriptionHash\n    ) public payable virtual override returns (uint256) {\n        uint256 proposalId = hashProposal(targets, values, calldatas, descriptionHash);\n\n        ProposalState status = state(proposalId);\n        require(\n            status == ProposalState.Succeeded || status == ProposalState.Queued,\n            \"Governor: proposal not successful\"\n        );\n        _proposals[proposalId].executed = true;\n\n        emit ProposalExecuted(proposalId);\n\n        _execute(proposalId, targets, values, calldatas, descriptionHash);\n\n        return proposalId;\n    }\n\n    /**\n     * @dev Internal execution mechanism. Can be overriden to implement different execution mechanism\n     */\n    function _execute(\n        uint256, /* proposalId */\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 /*descriptionHash*/\n    ) internal virtual {\n        string memory errorMessage = \"Governor: call reverted without message\";\n        for (uint256 i = 0; i < targets.length; ++i) {\n            (bool success, bytes memory returndata) = targets[i].call{value: values[i]}(calldatas[i]);\n            Address.verifyCallResult(success, returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Internal cancel mechanism: locks up the proposal timer, preventing it from being re-submitted. Marks it as\n     * canceled to allow distinguishing it from executed proposals.\n     *\n     * Emits a {IGovernor-ProposalCanceled} event.\n     */\n    function _cancel(\n        address[] memory targets,\n        uint256[] memory values,\n        bytes[] memory calldatas,\n        bytes32 descriptionHash\n    ) internal virtual returns (uint256) {\n        uint256 proposalId = hashProposal(targets, values, calldatas, descriptionHash);\n        ProposalState status = state(proposalId);\n\n        require(\n            status != ProposalState.Canceled && status != ProposalState.Expired && status != ProposalState.Executed,\n            \"Governor: proposal not active\"\n        );\n        _proposals[proposalId].canceled = true;\n\n        emit ProposalCanceled(proposalId);\n\n        return proposalId;\n    }\n\n    /**\n     * @dev See {IGovernor-castVote}.\n     */\n    function castVote(uint256 proposalId, uint8 support) public virtual override returns (uint256) {\n        address voter = _msgSender();\n        return _castVote(proposalId, voter, support, \"\");\n    }\n\n    /**\n     * @dev See {IGovernor-castVoteWithReason}.\n     */\n    function castVoteWithReason(\n        uint256 proposalId,\n        uint8 support,\n        string calldata reason\n    ) public virtual override returns (uint256) {\n        address voter = _msgSender();\n        return _castVote(proposalId, voter, support, reason);\n    }\n\n    /**\n     * @dev See {IGovernor-castVoteBySig}.\n     */\n    function castVoteBySig(\n        uint256 proposalId,\n        uint8 support,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) public virtual override returns (uint256) {\n        address voter = ECDSA.recover(\n            _hashTypedDataV4(keccak256(abi.encode(BALLOT_TYPEHASH, proposalId, support))),\n            v,\n            r,\n            s\n        );\n        return _castVote(proposalId, voter, support, \"\");\n    }\n\n    /**\n     * @dev Internal vote casting mechanism: Check that the vote is pending, that it has not been cast yet, retrieve\n     * voting weight using {IGovernor-getVotes} and call the {_countVote} internal function.\n     *\n     * Emits a {IGovernor-VoteCast} event.\n     */\n    function _castVote(\n        uint256 proposalId,\n        address account,\n        uint8 support,\n        string memory reason\n    ) internal virtual returns (uint256) {\n        ProposalCore storage proposal = _proposals[proposalId];\n        require(state(proposalId) == ProposalState.Active, \"Governor: vote not currently active\");\n\n        uint256 weight = getVotes(account, proposal.voteStart.getDeadline());\n        _countVote(proposalId, account, support, weight);\n\n        emit VoteCast(account, proposalId, support, weight, reason);\n\n        return weight;\n    }\n\n    /**\n     * @dev Relays a transaction or function call to an arbitrary target. In cases where the governance executor\n     * is some contract other than the governor itself, like when using a timelock, this function can be invoked\n     * in a governance proposal to recover tokens or Ether that was sent to the governor contract by mistake.\n     * Note that if the executor is simply the governor itself, use of `relay` is redundant.\n     */\n    function relay(\n        address target,\n        uint256 value,\n        bytes calldata data\n    ) external virtual onlyGovernance {\n        Address.functionCallWithValue(target, data, value);\n    }\n\n    /**\n     * @dev Address through which the governor executes action. Will be overloaded by module that execute actions\n     * through another contract such as a timelock.\n     */\n    function _executor() internal view virtual returns (address) {\n        return address(this);\n    }\n}\n"
			},
			"@openzeppelin/contracts/governance/utils/IVotes.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/utils/IVotes.sol)\npragma solidity ^0.8.0;\n\n/**\n * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.\n *\n * _Available since v4.5._\n */\ninterface IVotes {\n    /**\n     * @dev Emitted when an account changes their delegate.\n     */\n    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);\n\n    /**\n     * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of votes.\n     */\n    event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance);\n\n    /**\n     * @dev Returns the current amount of votes that `account` has.\n     */\n    function getVotes(address account) external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of votes that `account` had at the end of a past block (`blockNumber`).\n     */\n    function getPastVotes(address account, uint256 blockNumber) external view returns (uint256);\n\n    /**\n     * @dev Returns the total supply of votes available at the end of a past block (`blockNumber`).\n     *\n     * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.\n     * Votes that have not been delegated are still part of total supply, even though they would not participate in a\n     * vote.\n     */\n    function getPastTotalSupply(uint256 blockNumber) external view returns (uint256);\n\n    /**\n     * @dev Returns the delegate that `account` has chosen.\n     */\n    function delegates(address account) external view returns (address);\n\n    /**\n     * @dev Delegates votes from the sender to `delegatee`.\n     */\n    function delegate(address delegatee) external;\n\n    /**\n     * @dev Delegates votes from signer to `delegatee`.\n     */\n    function delegateBySig(\n        address delegatee,\n        uint256 nonce,\n        uint256 expiry,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n}\n"
			},
			"@openzeppelin/contracts/governance/TimelockController.sol": {
				"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (governance/TimelockController.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../access/AccessControl.sol\";\n\n/**\n * @dev Contract module which acts as a timelocked controller. When set as the\n * owner of an `Ownable` smart contract, it enforces a timelock on all\n * `onlyOwner` maintenance operations. This gives time for users of the\n * controlled contract to exit before a potentially dangerous maintenance\n * operation is applied.\n *\n * By default, this contract is self administered, meaning administration tasks\n * have to go through the timelock process. The proposer (resp executor) role\n * is in charge of proposing (resp executing) operations. A common use case is\n * to position this {TimelockController} as the owner of a smart contract, with\n * a multisig or a DAO as the sole proposer.\n *\n * _Available since v3.3._\n */\ncontract TimelockController is AccessControl {\n    bytes32 public constant TIMELOCK_ADMIN_ROLE = keccak256(\"TIMELOCK_ADMIN_ROLE\");\n    bytes32 public constant PROPOSER_ROLE = keccak256(\"PROPOSER_ROLE\");\n    bytes32 public constant EXECUTOR_ROLE = keccak256(\"EXECUTOR_ROLE\");\n    uint256 internal constant _DONE_TIMESTAMP = uint256(1);\n\n    mapping(bytes32 => uint256) private _timestamps;\n    uint256 private _minDelay;\n\n    /**\n     * @dev Emitted when a call is scheduled as part of operation `id`.\n     */\n    event CallScheduled(\n        bytes32 indexed id,\n        uint256 indexed index,\n        address target,\n        uint256 value,\n        bytes data,\n        bytes32 predecessor,\n        uint256 delay\n    );\n\n    /**\n     * @dev Emitted when a call is performed as part of operation `id`.\n     */\n    event CallExecuted(bytes32 indexed id, uint256 indexed index, address target, uint256 value, bytes data);\n\n    /**\n     * @dev Emitted when operation `id` is cancelled.\n     */\n    event Cancelled(bytes32 indexed id);\n\n    /**\n     * @dev Emitted when the minimum delay for future operations is modified.\n     */\n    event MinDelayChange(uint256 oldDuration, uint256 newDuration);\n\n    /**\n     * @dev Initializes the contract with a given `minDelay`.\n     */\n    constructor(\n        uint256 minDelay,\n        address[] memory proposers,\n        address[] memory executors\n    ) {\n        _setRoleAdmin(TIMELOCK_ADMIN_ROLE, TIMELOCK_ADMIN_ROLE);\n        _setRoleAdmin(PROPOSER_ROLE, TIMELOCK_ADMIN_ROLE);\n        _setRoleAdmin(EXECUTOR_ROLE, TIMELOCK_ADMIN_ROLE);\n\n        // deployer + self administration\n        _setupRole(TIMELOCK_ADMIN_ROLE, _msgSender());\n        _setupRole(TIMELOCK_ADMIN_ROLE, address(this));\n\n        // register proposers\n        for (uint256 i = 0; i < proposers.length; ++i) {\n            _setupRole(PROPOSER_ROLE, proposers[i]);\n        }\n\n        // register executors\n        for (uint256 i = 0; i < executors.length; ++i) {\n            _setupRole(EXECUTOR_ROLE, executors[i]);\n        }\n\n        _minDelay = minDelay;\n        emit MinDelayChange(0, minDelay);\n    }\n\n    /**\n     * @dev Modifier to make a function callable only by a certain role. In\n     * addition to checking the sender's role, `address(0)` 's role is also\n     * considered. Granting a role to `address(0)` is equivalent to enabling\n     * this role for everyone.\n     */\n    modifier onlyRoleOrOpenRole(bytes32 role) {\n        if (!hasRole(role, address(0))) {\n            _checkRole(role, _msgSender());\n        }\n        _;\n    }\n\n    /**\n     * @dev Contract might receive/hold ETH as part of the maintenance process.\n     */\n    receive() external payable {}\n\n    /**\n     * @dev Returns whether an id correspond to a registered operation. This\n     * includes both Pending, Ready and Done operations.\n     */\n    function isOperation(bytes32 id) public view virtual returns (bool pending) {\n        return getTimestamp(id) > 0;\n    }\n\n    /**\n     * @dev Returns whether an operation is pending or not.\n     */\n    function isOperationPending(bytes32 id) public view virtual returns (bool pending) {\n        return getTimestamp(id) > _DONE_TIMESTAMP;\n    }\n\n    /**\n     * @dev Returns whether an operation is ready or not.\n     */\n    function isOperationReady(bytes32 id) public view virtual returns (bool ready) {\n        uint256 timestamp = getTimestamp(id);\n        return timestamp > _DONE_TIMESTAMP && timestamp <= block.timestamp;\n    }\n\n    /**\n     * @dev Returns whether an operation is done or not.\n     */\n    function isOperationDone(bytes32 id) public view virtual returns (bool done) {\n        return getTimestamp(id) == _DONE_TIMESTAMP;\n    }\n\n    /**\n     * @dev Returns the timestamp at with an operation becomes ready (0 for\n     * unset operations, 1 for done operations).\n     */\n    function getTimestamp(bytes32 id) public view virtual returns (uint256 timestamp) {\n        return _timestamps[id];\n    }\n\n    /**\n     * @dev Returns the minimum delay for an operation to become valid.\n     *\n     * This value can be changed by executing an operation that calls `updateDelay`.\n     */\n    function getMinDelay() public view v