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•  contract NEST_MiningSave *
•    - function changeMapping(address map)
•    - function turnOut(uint256 amount, addr ...
•  contract ERC20
•    - function totalSupply()
•    - function balanceOf( address who )
•    - function allowance( address owner, ad ...
•    - function transfer( address to, uint25 ...
•    - function transferFrom( address from, ...
•    - function approve( address spender, ui ...
•  contract IBMapping
•    - function checkAddress(string memory n ...
•    - function checkOwners(address man)

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/**
 *Submitted for verification at Etherscan.io on 2019-09-19
*/

pragma solidity ^0.5.8;

contract NEST_MiningSave {
    
    IBMapping mappingContract;                      
    ERC20 nestContract;                             
    
    constructor (address map) public {
        mappingContract = IBMapping(address(map));              
        nestContract = ERC20(address(mappingContract.checkAddress("nest")));            
    }
    
    function changeMapping(address map) public onlyOwner {
        mappingContract = IBMapping(address(map));              
        nestContract = ERC20(address(mappingContract.checkAddress("nest")));            
    }
    
    function turnOut(uint256 amount, address to) public onlyMiningCalculation returns(uint256) {
        uint256 leftNum = nestContract.balanceOf(address(this));
        if (leftNum >= amount) {
            nestContract.transfer(to, amount);
            return amount;
        } else {
            return 0;
        }
    }
    
    modifier onlyOwner(){
        require(mappingContract.checkOwners(msg.sender) == true);
        _;
    }

    modifier onlyMiningCalculation(){
        require(address(mappingContract.checkAddress("miningCalculation")) == msg.sender);
        _;
    }
    
}


contract ERC20 {
    function totalSupply() public view returns (uint supply);
    function balanceOf( address who ) public view returns (uint value);
    function allowance( address owner, address spender ) public view returns (uint _allowance);

    function transfer( address to, uint256 value) external;
    function transferFrom( address from, address to, uint value) public returns (bool ok);
    function approve( address spender, uint value ) public returns (bool ok);

    event Transfer( address indexed from, address indexed to, uint value);
    event Approval( address indexed owner, address indexed spender, uint value);
}


contract IBMapping {
	function checkAddress(string memory name) public view returns (address contractAddress);
	function checkOwners(address man) public view returns (bool);
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"amount","type":"uint256"},{"name":"to","type":"address"}],"name":"turnOut","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"map","type":"address"}],"name":"changeMapping","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"map","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

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0000000000000000000000005e7db2ffc5b2c7c47103e4f21c702bc402603fbf

-----Decoded View---------------
Arg [0] : map (address): 0x5E7db2FFc5b2c7C47103e4F21C702bc402603fBf

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005e7db2ffc5b2c7c47103e4f21c702bc402603fbf

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bzzr://8ef23e042968a0b22fbba4e2f8ad3a3ba988e63220c9d4e77ebe977119cc9879