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
22193013
Transactions Internal Transactions Coin Balance History Code Read Contract Write Contract
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
2022-03-06 22:32:01.865575Z

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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