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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

import { IMapleTokenInitializerLike, IGlobalsLike } from "./interfaces/Interfaces.sol";
import { IMapleTokenProxy }                         from "./interfaces/IMapleTokenProxy.sol";

contract MapleTokenProxy is IMapleTokenProxy {

    bytes32 internal constant GLOBALS_SLOT        = bytes32(uint256(keccak256("eip1967.proxy.globals")) - 1);
    bytes32 internal constant IMPLEMENTATION_SLOT = bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1);

    constructor(address globals_, address implementation_, address initializer_, address tokenMigrator_) {
        _setAddress(GLOBALS_SLOT, globals_);
        _setAddress(IMPLEMENTATION_SLOT, implementation_);

        ( bool success_, ) = initializer_.delegatecall(abi.encodeWithSelector(
            IMapleTokenInitializerLike(initializer_).initialize.selector,
            tokenMigrator_,
            IGlobalsLike(globals_).mapleTreasury()
        ));

        require(success_, "MTP:INIT_FAILED");
    }

    /**************************************************************************************************************************************/
    /*** Overridden Functions                                                                                                           ***/
    /**************************************************************************************************************************************/

    function setImplementation(address newImplementation_) override external {
        IGlobalsLike globals_ = IGlobalsLike(_globals());

        require(msg.sender == globals_.governor(), "MTP:SI:NOT_GOVERNOR");

        bool isScheduledCall_ = globals_.isValidScheduledCall(msg.sender, address(this), "MTP:SET_IMPLEMENTATION", msg.data);

        require(isScheduledCall_, "MTP:SI:NOT_SCHEDULED");

        globals_.unscheduleCall(msg.sender, "MTP:SET_IMPLEMENTATION", msg.data);

        _setAddress(IMPLEMENTATION_SLOT, newImplementation_);

        emit ImplementationSet(newImplementation_);
    }

    /**************************************************************************************************************************************/
    /*** View Functions                                                                                                                 ***/
    /**************************************************************************************************************************************/

    function _globals() internal view returns (address globals_) {
        globals_ = _getAddress(GLOBALS_SLOT);
    }

    function _implementation() internal view returns (address implementation_) {
        implementation_ = _getAddress(IMPLEMENTATION_SLOT);
    }

    /**************************************************************************************************************************************/
    /*** Utility Functions                                                                                                              ***/
    /**************************************************************************************************************************************/

    function _setAddress(bytes32 slot_, address value_) internal {
        assembly {
            sstore(slot_, value_)
        }
    }

    function _getAddress(bytes32 slot_) internal view returns (address value_) {
        assembly {
            value_ := sload(slot_)
        }
    }

    /**************************************************************************************************************************************/
    /*** Fallback Function                                                                                                              ***/
    /**************************************************************************************************************************************/

    fallback() external {
        address implementation_ = _implementation();

        require(implementation_.code.length != 0, "MTP:F:NO_CODE_ON_IMPLEMENTATION");

        assembly {
            calldatacopy(0, 0, calldatasize())

            let result := delegatecall(gas(), implementation_, 0, calldatasize(), 0, 0)

            returndatacopy(0, 0, returndatasize())

            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IERC20Like {

    function burn(address from, uint256 value) external;

    function mint(address to, uint256 value) external;

    function totalSupply() external view returns (uint256 totalSupply);

}

interface IGlobalsLike {

    function governor() external view returns (address governor);

    function isInstanceOf(bytes32 instanceKey, address instance) external view returns (bool isInstance);

    function isValidScheduledCall(
        address          caller,
        address          target,
        bytes32          functionId,
        bytes   calldata callData
    ) external view returns (bool isValidScheduledCall);

    function mapleTreasury() external view returns (address mapleTreasury);

    function unscheduleCall(address caller, bytes32 functionId, bytes calldata callData) external;

}

interface IMapleTokenInitializerLike {

    function initialize(address migrator, address treasury) external;

}

interface IMapleTokenLike is IERC20Like {

    function globals() external view returns (address globals);

}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IMapleTokenProxy {

    /**
     *  @dev   Emitted when the implementation address is set.
     *  @param implementation The address of the new implementation.
     */
    event ImplementationSet(address indexed implementation);

    /**
     *  @dev   Sets the implementation address.
     *  @param newImplementation The address to set the implementation to.
     */
    function setImplementation(address newImplementation) external;

}

{
  "remappings": [
    "address-registry/=modules/address-registry/contracts/",
    "contract-test-utils/=modules/globals/modules/contract-test-utils/contracts/",
    "ds-test/=modules/forge-std/lib/ds-test/src/",
    "erc20-helper/=modules/migrator/modules/erc20-helper/src/",
    "erc20/=modules/erc20/",
    "forge-std/=modules/forge-std/src/",
    "globals/=modules/globals/",
    "migrator/=modules/migrator/",
    "mpl-migration/=modules/xmpl/modules/mpl-migration/modules/erc20-helper/src/",
    "non-transparent-proxy/=modules/globals/modules/non-transparent-proxy/",
    "ntp/=modules/ntp/",
    "revenue-distribution-token/=modules/xmpl/modules/revenue-distribution-token/contracts/",
    "xmpl/=modules/xmpl/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"globals_","type":"address"},{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"address","name":"initializer_","type":"address"},{"internalType":"address","name":"tokenMigrator_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"ImplementationSet","type":"event"},{"stateMutability":"nonpayable","type":"fallback"},{"inputs":[{"internalType":"address","name":"newImplementation_","type":"address"}],"name":"setImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000804a6f5f667170f545bf14e5ddb48c70b788390c0000000000000000000000006ed767ebcff51533e5181f7bf818f2b9bd767aec000000000000000000000000fe4a4fd3bd2e0eb400355aef5aa1752bc54b30fc0000000000000000000000009c9499edd0cd2dcbc3c9dd5070baf54777ad8f2c

-----Decoded View---------------
Arg [0] : globals_ (address): 0x804a6F5F667170F545Bf14e5DDB48C70B788390C
Arg [1] : implementation_ (address): 0x6eD767EBCfF51533E5181f7bf818F2b9bD767aec
Arg [2] : initializer_ (address): 0xfE4a4fd3bd2E0Eb400355aeF5Aa1752bC54B30FC
Arg [3] : tokenMigrator_ (address): 0x9c9499edD0cd2dCBc3C9Dd5070bAf54777AD8F2C

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000804a6f5f667170f545bf14e5ddb48c70b788390c
Arg [1] : 0000000000000000000000006ed767ebcff51533e5181f7bf818f2b9bd767aec
Arg [2] : 000000000000000000000000fe4a4fd3bd2e0eb400355aef5aa1752bc54b30fc
Arg [3] : 0000000000000000000000009c9499edd0cd2dcbc3c9dd5070baf54777ad8f2c