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Outline

•  contract FaucetPay *
•    - function changeAdminAddress(address p ...
•    - function ()
•    - function deposit()
•    - function withdraw(address payable _ad ...
•    - function withdrawMass(address[] memor ...

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/**
 *Submitted for verification at Etherscan.io on 2019-11-17
*/

pragma solidity 0.5.12;

contract FaucetPay {
    
    event Deposit(address _from, uint256 _amount);
    event Withdrawal(address _to, uint256 _amount);
    
    address payable private adminAddress;
     
    constructor() public { 
        adminAddress = msg.sender;
    }
    
    modifier _onlyOwner(){
        require(msg.sender == adminAddress);
          _;
    }

    function changeAdminAddress(address payable _newAddress) _onlyOwner public {
        adminAddress = _newAddress;
    }
    
    function () external payable {
        deposit();
    }

    function deposit() public payable returns(bool) {
        
        require(msg.value > 0);
        emit Deposit(msg.sender, msg.value);
        
        return true;
        
    }

    function withdraw(address payable _address, uint256 _amount) _onlyOwner public returns(bool) {
    
        _address.transfer(_amount);
        emit Withdrawal(_address, _amount);
        
        return true;
        
    }
    
    function withdrawMass(address[] memory _addresses, uint256[] memory _amounts) _onlyOwner public returns(bool) {
        
        for(uint256 i = 0; i < _addresses.length; i++) {
            
            address payable payable_address = address(uint160(_addresses[i]));
            withdraw(payable_address, _amounts[i]);
	        
	    }
	    
	    return true;
        
    }
    
}

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[{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Withdrawal","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":false,"inputs":[{"internalType":"address payable","name":"_newAddress","type":"address"}],"name":"changeAdminAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"deposit","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"internalType":"address payable","name":"_address","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint256[]","name":"_amounts","type":"uint256[]"}],"name":"withdrawMass","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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