BNTYFacilitator

{{
  "language": "Solidity",
  "sources": {
    "src/BNTYFacilitator.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {ReentrancyGuard} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

interface IBNTYRegistry {
    function isBondDealer(address _addr) external view returns (bool);
    function isCouncilMember(address _addr) external view returns (bool);
    function isBountyHunter(address _addr) external view returns (bool);
    function councilFeeBps() external view returns (uint256);
    function COUNCIL_SPLIT_BPS() external view returns (uint256);
    function holdingContract() external view returns (address);
    function usdcToken() external view returns (address);
    function getCouncilMembersCount() external view returns (uint256);
    function councilMembersList(uint256 index) external view returns (address);
    function addBountyHunter(address _hunter) external;
    function removeBountyHunter(address _hunter) external;
}

interface IBNTYBountyNFT {
    function mint(address _to, uint256 _totalAmount, uint256 _day1Payout, uint256 _day90Payout) external returns (uint256);
    function submitProofOfLifeHunter(uint256 _tokenId, string memory _proof, address _hunter) external;
    function isClaimable(uint256 _tokenId) external view returns (bool);
    function markClaimed(uint256 _tokenId) external;
    function getBounty(uint256 _tokenId) external view returns (
        uint256 bountyId,
        address bondDealer,
        uint256 totalAmount,
        uint256 day1Payout,
        uint256 day90Payout,
        uint256 createdAt,
        bool claimed,
        string memory proofOfLifeDealer,
        string memory proofOfLifeHunter,
        address assignedHunter
    );
}

interface IBNTYHunterNFT {
    function mint(address _to) external returns (uint256);
    function promote(uint256 _tokenId, uint8 _newLevel) external;
    function destroy(uint256 _tokenId) external;
    function recordBountyClaim(uint256 _tokenId, uint256 _amount) external;
    function getHunterTokenId(address _hunter) external view returns (uint256);
    function hasHunterNFT(address _hunter) external view returns (bool);
    function getHunterLevel(address _hunter) external view returns (uint8);
}

/**
 * @title BNTYFacilitator
 * @dev Gateway contract for the BNTY bounty system
 */
contract BNTYFacilitator is Ownable, ReentrancyGuard {
    using SafeERC20 for IERC20;

    IBNTYRegistry public registry;
    IBNTYBountyNFT public bountyNFT;
    IBNTYHunterNFT public hunterNFT;

    enum BountyRequestStatus { Pending, Approved, Denied }

    struct BountyRequest {
        uint256 requestId;
        address bondDealer;
        uint256 totalAmount;
        uint256 day1Payout;
        uint256 day90Payout;
        BountyRequestStatus status;
        uint256 approvalCount;
        uint256 createdAt;
        mapping(address => bool) hasApproved;
    }

    uint256 private _nextRequestId;
    mapping(uint256 => BountyRequest) public bountyRequests;
    uint256 public requiredApprovals;

    // Events
    event BountyRequested(
        uint256 indexed requestId,
        address indexed bondDealer,
        uint256 totalAmount,
        uint256 day1Payout,
        uint256 day90Payout
    );
    event BountyApproved(uint256 indexed requestId, address indexed councilMember);
    event BountyFullyApproved(uint256 indexed requestId, uint256 bountyTokenId);
    event BountyDenied(uint256 indexed requestId, address indexed councilMember);
    event HunterCreated(uint256 indexed tokenId, address indexed hunter);
    event HunterPromoted(uint256 indexed tokenId, uint8 newLevel);
    event HunterDestroyed(uint256 indexed tokenId);
    event BountyClaimed(uint256 indexed bountyTokenId, address indexed hunter, uint256 amount);

    constructor(
        address _registry,
        address _bountyNFT,
        address _hunterNFT,
        uint256 _requiredApprovals
    ) Ownable(msg.sender) {
        require(_registry != address(0), "Invalid registry");
        require(_bountyNFT != address(0), "Invalid bounty NFT");
        require(_hunterNFT != address(0), "Invalid hunter NFT");
        require(_requiredApprovals > 0, "Must require at least 1 approval");

        registry = IBNTYRegistry(_registry);
        bountyNFT = IBNTYBountyNFT(_bountyNFT);
        hunterNFT = IBNTYHunterNFT(_hunterNFT);
        requiredApprovals = _requiredApprovals;
        _nextRequestId = 1;
    }

    modifier onlyBondDealer() {
        require(registry.isBondDealer(msg.sender), "Not a bond dealer");
        _;
    }

    modifier onlyCouncilMember() {
        require(registry.isCouncilMember(msg.sender), "Not a council member");
        _;
    }

    /**
     * @dev Bond dealer submits bounty request with funds
     */
    function requestBounty(
        uint256 _totalAmount,
        uint256 _day1Payout,
        uint256 _day90Payout
    ) external onlyBondDealer nonReentrant returns (uint256) {
        require(_totalAmount == _day1Payout + _day90Payout, "Payout sum mismatch");
        require(_totalAmount > 0, "Amount must be positive");

        IERC20 usdc = IERC20(registry.usdcToken());
        require(usdc.balanceOf(msg.sender) >= _totalAmount, "Insufficient USDC balance");

        uint256 requestId = _nextRequestId++;
        BountyRequest storage request = bountyRequests[requestId];
        request.requestId = requestId;
        request.bondDealer = msg.sender;
        request.totalAmount = _totalAmount;
        request.day1Payout = _day1Payout;
        request.day90Payout = _day90Payout;
        request.status = BountyRequestStatus.Pending;
        request.approvalCount = 0;
        request.createdAt = block.timestamp;

        // Transfer USDC to this contract
        usdc.safeTransferFrom(msg.sender, address(this), _totalAmount);

        emit BountyRequested(requestId, msg.sender, _totalAmount, _day1Payout, _day90Payout);

        return requestId;
    }

    /**
     * @dev Council member approves a bounty request
     */
    function approveBounty(uint256 _requestId) external onlyCouncilMember nonReentrant {
        BountyRequest storage request = bountyRequests[_requestId];
        require(request.status == BountyRequestStatus.Pending, "Request not pending");
        require(!request.hasApproved[msg.sender], "Already approved");

        request.hasApproved[msg.sender] = true;
        request.approvalCount++;

        emit BountyApproved(_requestId, msg.sender);

                    // If enough approvals, mint NFT and transfer funds to holding
        if (request.approvalCount >= requiredApprovals) {
            request.status = BountyRequestStatus.Approved;

            // Mint bounty NFT
            uint256 bountyTokenId = bountyNFT.mint(
                request.bondDealer,
                request.totalAmount,
                request.day1Payout,
                request.day90Payout
            );

            // Transfer funds to holding contract
            IERC20 usdc = IERC20(registry.usdcToken());
            address holding = registry.holdingContract();
            usdc.safeTransfer(holding, request.totalAmount);

            emit BountyFullyApproved(_requestId, bountyTokenId);
        }
    }

    /**
     * @dev Council member denies a bounty request
     */
    function denyBounty(uint256 _requestId) external onlyCouncilMember nonReentrant {
        BountyRequest storage request = bountyRequests[_requestId];
        require(request.status == BountyRequestStatus.Pending, "Request not pending");

        request.status = BountyRequestStatus.Denied;

        // Return funds to bond dealer
        IERC20 usdc = IERC20(registry.usdcToken());
        usdc.safeTransfer(request.bondDealer, request.totalAmount);

        emit BountyDenied(_requestId, msg.sender);
    }

    /**
     * @dev Council member creates a bounty hunter
     */
    function createBountyHunter(address _hunter) external onlyCouncilMember returns (uint256) {
        require(_hunter != address(0), "Invalid address");
        require(!hunterNFT.hasHunterNFT(_hunter), "Hunter already exists");

        // Add to registry
        registry.addBountyHunter(_hunter);

        // Mint NFT
        uint256 tokenId = hunterNFT.mint(_hunter);

        emit HunterCreated(tokenId, _hunter);

        return tokenId;
    }

    /**
     * @dev Council member promotes a bounty hunter
     */
    function promoteBountyHunter(address _hunter, uint8 _newLevel) external onlyCouncilMember {
        require(hunterNFT.hasHunterNFT(_hunter), "Hunter does not exist");
        require(_newLevel <= 10, "Max level is 10");
        require(_newLevel > hunterNFT.getHunterLevel(_hunter), "Level must be higher");

        uint256 tokenId = hunterNFT.getHunterTokenId(_hunter);
        hunterNFT.promote(tokenId, _newLevel);

        emit HunterPromoted(tokenId, _newLevel);
    }

    /**
     * @dev Council member destroys a bounty hunter
     */
    function destroyBountyHunter(address _hunter) external onlyCouncilMember {
        require(hunterNFT.hasHunterNFT(_hunter), "Hunter does not exist");

        uint256 tokenId = hunterNFT.getHunterTokenId(_hunter);

        // Remove from registry
        registry.removeBountyHunter(_hunter);

        // Burn NFT
        hunterNFT.destroy(tokenId);

        emit HunterDestroyed(tokenId);
    }

    /**
     * @dev Bounty hunter submits proof of life
     */
    function submitProofOfLifeHunter(uint256 _bountyTokenId, string memory _proof) external {
        require(registry.isBountyHunter(msg.sender), "Not a bounty hunter");
        require(bytes(_proof).length == 10, "Proof must be 10 characters");

        bountyNFT.submitProofOfLifeHunter(_bountyTokenId, _proof, msg.sender);
    }

    /**
     * @dev Claim a bounty (callable by bounty hunter once both proofs submitted)
     */
    function claimBounty(uint256 _bountyTokenId) external nonReentrant {
        require(registry.isBountyHunter(msg.sender), "Not a bounty hunter");
        require(bountyNFT.isClaimable(_bountyTokenId), "Bounty not claimable");

        // Get bounty details
        (
            ,
            ,
            uint256 totalAmount,
            ,
            ,
            ,
            ,
            ,
            ,
            address assignedHunter
        ) = bountyNFT.getBounty(_bountyTokenId);

        require(assignedHunter == msg.sender, "Not assigned to you");

        // Calculate council fee
        uint256 councilFee = (totalAmount * registry.councilFeeBps()) / 10000;
        uint256 hunterAmount = totalAmount - councilFee;

        // Mark bounty as claimed
        bountyNFT.markClaimed(_bountyTokenId);

        // Record claim on hunter NFT
        uint256 hunterTokenId = hunterNFT.getHunterTokenId(msg.sender);
        hunterNFT.recordBountyClaim(hunterTokenId, hunterAmount);

        // Transfer USDC from holding contract
        IERC20 usdc = IERC20(registry.usdcToken());
        address holding = registry.holdingContract();

        // Transfer to hunter
        usdc.safeTransferFrom(holding, msg.sender, hunterAmount);

        // Distribute council fee (25% split among council members)
        if (councilFee > 0) {
            _distributeCouncilFee(usdc, holding, councilFee);
        }

        emit BountyClaimed(_bountyTokenId, msg.sender, hunterAmount);
    }

    /**
     * @dev Internal function to distribute council fees
     */
    function _distributeCouncilFee(IERC20 usdc, address holding, uint256 totalFee) internal {
        uint256 councilCount = registry.getCouncilMembersCount();
        if (councilCount == 0) return;

        uint256 feePerMember = totalFee / councilCount;
        uint256 remainder = totalFee % councilCount;

        for (uint256 i = 0; i < councilCount; i++) {
            address member = registry.councilMembersList(i);
            uint256 amount = feePerMember;

            // Give remainder to first member
            if (i == 0) {
                amount += remainder;
            }

            usdc.safeTransferFrom(holding, member, amount);
        }
    }

    /**
     * @dev Get bounty request details
     */
    function getBountyRequest(uint256 _requestId) external view returns (
        uint256 requestId,
        address bondDealer,
        uint256 totalAmount,
        uint256 day1Payout,
        uint256 day90Payout,
        BountyRequestStatus status,
        uint256 approvalCount,
        uint256 createdAt
    ) {
        BountyRequest storage request = bountyRequests[_requestId];
        return (
            request.requestId,
            request.bondDealer,
            request.totalAmount,
            request.day1Payout,
            request.day90Payout,
            request.status,
            request.approvalCount,
            request.createdAt
        );
    }

    /**
     * @dev Check if council member has approved a request
     */
    function hasCouncilMemberApproved(uint256 _requestId, address _councilMember) external view returns (bool) {
        return bountyRequests[_requestId].hasApproved[_councilMember];
    }

    /**
     * @dev Update required approvals
     */
    function setRequiredApprovals(uint256 _required) external onlyOwner {
        require(_required > 0, "Must require at least 1 approval");
        requiredApprovals = _required;
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    /**
     * @dev An operation with an ERC-20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            // bubble errors
            if iszero(success) {
                let ptr := mload(0x40)
                returndatacopy(ptr, 0, returndatasize())
                revert(ptr, returndatasize())
            }
            returnSize := returndatasize()
            returnValue := mload(0)
        }

        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/utils/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/interfaces/IERC1363.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)

pragma solidity >=0.6.2;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}
"
    },
    "lib/openzeppelin-contracts/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)

pragma solidity >=0.4.16;

import {IERC20} from "../token/ERC20/IERC20.sol";
"
    },
    "lib/openzeppelin-contracts/contracts/interfaces/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)

pragma solidity >=0.4.16;

import {IERC165} from "../utils/introspection/IERC165.sol";
"
    },
    "lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
"
    }
  },
  "settings": {
    "remappings": [
      "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
      "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
      "forge-std/=lib/forge-std/src/",
      "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
      "openzeppelin-contracts/=lib/openzeppelin-contracts/"
    ],
    "optimizer": {
      "enabled": false,
      "runs": 200
    },
    "metadata": {
      "useLiteralContent": false,
      "bytecodeHash": "ipfs",
      "appendCBOR": true
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "evmVersion": "prague",
    "viaIR": false
  }
}}