Contract Address Details
contract

0xdCc1dD0BC399fbd6c8b9Fbe5d2c5AF998C66d6ed

Contract Name
Etherboard
Creator
0x88a80d–7fcc6e at 0x4718bc–67344f
Balance
19.61640625 xDAI ( )
Tokens
Fetching tokens...
Transactions
56 Transactions
Transfers
0 Transfers
Gas Used
7,964,572
Last Balance Update
22937349
This contract has been verified via Sourcify. View contract in Sourcify repository
Contract name:
Etherboard




Optimization enabled
true
Compiler version
v0.8.7+commit.e28d00a7




Optimization runs
200
EVM Version
london




Verified at
2022-03-06T22:32:01.865575Z

contracts/etherboard.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

contract Etherboard {

    // @dev Data model for every slot without owner.
    struct Slot {
        string img;
        string caption;
        string link;
        uint   minSalePrice;
        uint   totalSales;
    }

    mapping (uint    => Slot)    private slots;
    // @dev In some cases, we need to check only the owner of the slot.
    // Slot owners are stored separately to avoid retrieving the whole slot
    // to make ownership checks.
    mapping (uint256 => address) public  slotOwners;
    mapping (address => bool)    private managerLookup;
    mapping (address => uint256) private managerBalances;

    address[]      managers;
    uint256 public firstMinSalePrice;
    uint256 public numOfSlots = 10;
    uint256 public commissionPercent = 20;
    uint256 public autoPriceIncreasePercent = 50;
    bool    public pricesAreLocked = false;

    function isManager(address _address)
    public view returns (bool) {
        return managerLookup[_address];
    }

    modifier onlyManagers() {
        require(
            isManager(msg.sender) == true,
            "Only managers can run this operation."
        ); _;
    }

    modifier onlyNonManagers() {
        require(
            isManager(msg.sender) == false,
            "Managers can not run this operation."
        ); _;
    }

    modifier onlySlotOwnerOrManager(uint256 index) {
        require(
            slotOwners[index] == msg.sender || isManager(msg.sender) == true,
            "Only owner of the slot can run this operation."
        ); _;
    }

    function setFirstMinSalePrice(
        uint _firstMinSalePrice
    ) public payable onlyManagers {
        firstMinSalePrice = _firstMinSalePrice;
    }

    function setCommissionPercent(
        uint _commissionPercent
    ) public payable onlyManagers {
         commissionPercent = _commissionPercent;
    }

    function setAutoPriceIncreasePercent(
        uint _autoPriceIncreasePercent
    ) public payable onlyManagers {
         autoPriceIncreasePercent = _autoPriceIncreasePercent;
    }

    function setPricesAreLocked(
        bool _pricesAreLocked
    ) public payable onlyManagers {
        pricesAreLocked = _pricesAreLocked;
    }

    // TODO: private or internal?
    function shareManagerProfits(
        uint256 totalProfit
    ) private {
        uint256 share = totalProfit / managers.length;
        for(uint i = 0; i < managers.length; i++){
            address manager = managers[i];
            managerBalances[manager] += share;
        }
    }

    // Function that allow managers to withdraw their money.
    function managerWithdraw() public onlyManagers {
        uint256 balance = managerBalances[msg.sender];
        require(balance > 0, "You don't have any balance to withdraw.");
        payable(msg.sender).transfer(balance);
    }

    function getManagerBalance(address _manager)
    public view onlyManagers returns (uint256 balance) {
        return managerBalances[_manager];
    }

    constructor(
        uint             _firstMinSalePrice,
        address[] memory _managers
    ) payable {
        for(uint i = 0; i < _managers.length; i++){
            address manager = _managers[i];
            managers.push(manager);
            managerLookup[manager] = true;
        }
        firstMinSalePrice = _firstMinSalePrice;
    }

    function getSlot(uint256 index)
    public view returns (
        string memory caption,
        string memory link,
        string memory img,
        uint256 minSalePrice,
        uint256 totalSales
    ) {
        Slot storage slot  = slots[index];
        return (
            slot.caption,
            slot.link,
            slot.img,
            slot.totalSales > 0 ? slot.minSalePrice : firstMinSalePrice,
            slot.totalSales
        );
    }

    function processPayment(
        uint256       index,
        string memory caption,
        string memory link,
        string memory img
    ) public payable onlyNonManagers {

        // TODO: Why this??
        require(msg.sender != address(0), "Invalid address for operation");
        require(index <= numOfSlots, "Invalid slot index.");

        Slot storage slot  = slots[index];
        uint256 buyerPrice = msg.value;
        uint256 slotPrice  = slot.totalSales == 0 ? firstMinSalePrice : slot.minSalePrice;
        require(buyerPrice >= slotPrice, "Insufficient fund");

        uint newMinSalePrice = buyerPrice + (buyerPrice * autoPriceIncreasePercent / 100);
        address slotOwner    = slotOwners[index];

        if(slotOwner == address(0)) { // First sale.
            shareManagerProfits(buyerPrice);
            if (index >= numOfSlots) {numOfSlots = index + 1;}
        } else {
            uint managersProfit = buyerPrice * commissionPercent / 100;
            uint ownerProfit    = buyerPrice - managersProfit;
            shareManagerProfits(managersProfit);
            payable(slotOwners[index]).transfer(ownerProfit);
        }
        slotOwners[index] = msg.sender;
        slot.minSalePrice = newMinSalePrice;
        slot.img          = img;
        slot.caption      = caption;
        slot.link         = link;
        slot.totalSales  += 1;
    }

    function setSlotProperties(
        uint256 index,
        string memory caption,
        string memory link,
        string memory img,
        uint   minSalePrice
    ) public onlySlotOwnerOrManager(index) {
        Slot storage slot = slots[index];
        if (pricesAreLocked) {
            require(
                slot.minSalePrice == minSalePrice,
                "Slot price must be same as before."
            );
        }
        slot.img = img;
        slot.caption = caption;
        slot.link = link;
        slot.minSalePrice = minSalePrice;
    }
}

Contract ABI

[{"type":"constructor","stateMutability":"payable","inputs":[{"type":"uint256","name":"_firstMinSalePrice","internalType":"uint256"},{"type":"address[]","name":"_managers","internalType":"address[]"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"autoPriceIncreasePercent","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"commissionPercent","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"firstMinSalePrice","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"balance","internalType":"uint256"}],"name":"getManagerBalance","inputs":[{"type":"address","name":"_manager","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"caption","internalType":"string"},{"type":"string","name":"link","internalType":"string"},{"type":"string","name":"img","internalType":"string"},{"type":"uint256","name":"minSalePrice","internalType":"uint256"},{"type":"uint256","name":"totalSales","internalType":"uint256"}],"name":"getSlot","inputs":[{"type":"uint256","name":"index","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isManager","inputs":[{"type":"address","name":"_address","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"managerWithdraw","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"numOfSlots","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"pricesAreLocked","inputs":[]},{"type":"function","stateMutability":"payable","outputs":[],"name":"processPayment","inputs":[{"type":"uint256","name":"index","internalType":"uint256"},{"type":"string","name":"caption","internalType":"string"},{"type":"string","name":"link","internalType":"string"},{"type":"string","name":"img","internalType":"string"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"setAutoPriceIncreasePercent","inputs":[{"type":"uint256","name":"_autoPriceIncreasePercent","internalType":"uint256"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"setCommissionPercent","inputs":[{"type":"uint256","name":"_commissionPercent","internalType":"uint256"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"setFirstMinSalePrice","inputs":[{"type":"uint256","name":"_firstMinSalePrice","internalType":"uint256"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"setPricesAreLocked","inputs":[{"type":"bool","name":"_pricesAreLocked","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setSlotProperties","inputs":[{"type":"uint256","name":"index","internalType":"uint256"},{"type":"string","name":"caption","internalType":"string"},{"type":"string","name":"link","internalType":"string"},{"type":"string","name":"img","internalType":"string"},{"type":"uint256","name":"minSalePrice","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"slotOwners","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]}]

Deployed ByteCode

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