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•  contract KolectivDeposit *
•    - function paused()
•    - function deposit(uint32 orderId)
•    - function getOrderBalance(uint32 order ...
•    - function owner()
•    - function pause()
•    - function unpause()
•    - function withdraw(address payable acc ...
•    - function withdrawAll(address payable ...
•    - function sendValue(address payable re ...

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/**
 *Submitted for verification at Etherscan.io on 2021-03-18
*/

pragma solidity ^0.8.0;


// SPDX-License-Identifier: UNLICENSED
contract KolectivDeposit {

    event Deposit(address indexed account, uint32 indexed orderId, uint256 amount);
    event Paused(address account);
    event Unpaused(address account);

    bool private _paused;
    address private _owner;
    mapping (uint32 => uint256) private orderToBalance;

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view returns (bool) {
        return _paused;
    }

    modifier whenNotPaused() {
        require(!paused(), "Contract is paused.");
        _;
    }

    modifier whenPaused() {
        require(paused(), "Contract is not paused.");
        _;
    }

    modifier onlyOwner() {
        require(_owner == msg.sender, "Can only be called by owner.");
        _;
    }

    constructor() {
        _owner = msg.sender;
        _paused = false;
    }

    function deposit(uint32 orderId) public payable whenNotPaused {
        require(msg.value > 0, "No value provided to deposit.");
        orderToBalance[orderId] = orderToBalance[orderId] + msg.value;
        emit Deposit(msg.sender, orderId, msg.value);
    }

    function getOrderBalance(uint32 orderId) public view returns (uint256) {
        return orderToBalance[orderId];
    }

    function owner() public view returns (address) {
        return _owner;
    }

    // ------------------------------------------------------------------------------------------------------
    // Only owner functionality below here
    function pause() public whenNotPaused onlyOwner {
        _paused = true;
        emit Paused(msg.sender);
    }

    function unpause() public whenPaused onlyOwner {
        _paused = false;
        emit Unpaused(msg.sender);
    }

    function withdraw(address payable account, uint256 amount) public onlyOwner {
        require(amount > 0, "No value provided to withdraw.");
        sendValue(account, amount);
    }

    function withdrawAll(address payable account) public onlyOwner {
        sendValue(account, address(this).balance);
    }

    function sendValue(address payable recipient, uint256 amount) private {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }
}

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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"uint32","name":"orderId","type":"uint32"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"uint32","name":"orderId","type":"uint32"}],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32","name":"orderId","type":"uint32"}],"name":"getOrderBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"account","type":"address"}],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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