Contract Source Code:

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.6;

import {CrowdfundWithPodiumEditionsStorage} from "./CrowdfundWithPodiumEditionsStorage.sol";

interface ICrowdfundWithPodiumEditionsFactory {
    function mediaAddress() external returns (address);

    function logic() external returns (address);

    function editions() external returns (address);

    // ERC20 data.
    function parameters()
        external
        returns (
            address payable fundingRecipient,
            uint256 fundingCap,
            uint256 operatorPercent,
            string memory name,
            string memory symbol,
            uint256 feePercentage,
            uint256 podiumDuration
        );
}

/**
 * @title CrowdfundWithPodiumEditionsProxy
 * @author MirrorXYZ
 */
contract CrowdfundWithPodiumEditionsProxy is
    CrowdfundWithPodiumEditionsStorage
{
    constructor(address treasuryConfig_, address payable operator_) {
        logic = ICrowdfundWithPodiumEditionsFactory(msg.sender).logic();
        editions = ICrowdfundWithPodiumEditionsFactory(msg.sender).editions();
        // Crowdfund-specific data.
        (
            fundingRecipient,
            fundingCap,
            operatorPercent,
            name,
            symbol,
            feePercentage,
            podiumDuration
        ) = ICrowdfundWithPodiumEditionsFactory(msg.sender).parameters();

        operator = operator_;
        treasuryConfig = treasuryConfig_;
        // Initialize mutable storage.
        status = Status.FUNDING;
    }

    fallback() external payable {
        address _impl = logic;
        assembly {
            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize())
            let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0)
            let size := returndatasize()
            returndatacopy(ptr, 0, size)

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

    receive() external payable {}
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.6;

/**
 * @title CrowdfundWithPodiumEditionsStorage
 * @author MirrorXYZ
 */
contract CrowdfundWithPodiumEditionsStorage {
    // The two states that this contract can exist in. "FUNDING" allows
    // contributors to add funds.
    enum Status {
        FUNDING,
        TRADING
    }

    // ============ Constants ============

    // The factor by which ETH contributions will multiply into crowdfund tokens.
    uint16 internal constant TOKEN_SCALE = 1000;
    uint256 internal constant REENTRANCY_NOT_ENTERED = 1;
    uint256 internal constant REENTRANCY_ENTERED = 2;
    uint16 public constant PODIUM_TIME_BUFFER = 900;
    uint8 public constant decimals = 18;

    // ============ Immutable Storage ============

    // The operator has a special role to change contract status.
    address payable public operator;
    address payable public fundingRecipient;
    address public treasuryConfig;
    // We add a hard cap to prevent raising more funds than deemed reasonable.
    uint256 public fundingCap;
    uint256 public feePercentage;
    // The operator takes some equity in the tokens, represented by this percent.
    uint256 public operatorPercent;
    string public symbol;
    string public name;

    // ============ Mutable Storage ============

    // Represents the current state of the campaign.
    Status public status;
    uint256 internal reentrancy_status;


    // Podium storage
    uint256 public podiumStartTime;
    uint256 public podiumDuration;

    // ============ Mutable ERC20 Attributes ============

    uint256 public totalSupply;
    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;
    mapping(address => uint256) public nonces;

    // ============ Delegation logic ============
    address public logic;

    // ============ Tiered Campaigns ============
    // Address of the editions contract to purchase from.
    address public editions;
}