ethereum/solidity

contract Coop {

IERC20 public token;    

struct Cooperant {
    uint256 feePayed;
    uint256 kg;
    uint256 received;         
} 

// map of cooperant addresses to structs
mapping (address => Cooperant) cooperants;  
address[] public cooperantAdresses;

constructor () public {
    //proveriti 
    token = new COOPToken("COOP token", "COOP", 18, 1_000_000_000_000_000_000);
}     

// fund COOP with yearly fee
function fundCoop() public payable returns (bool) {
    cooperants[msg.sender].feePayed += msg.value;
    cooperantAdresses.push(msg.sender);
    return true;
}


 function depositFruitsToCOOP(uint256 _kg) public returns (bool) {
    token.transfer(address(this), msg.sender, _kg);  
    cooperants[msg.sender].kg += _kg;
    cooperants[msg.sender].received += _kg;
    return true;  
 }       

function getCOOPBalance() public view returns (uint256, uint256) {
return (address(this).balance, token.balanceOf(address(this)));
}

function getUserAccountBalance() public view returns (uint256, uint256,uint256, uint256){
    return (cooperants[msg.sender].feePayed, cooperants[msg.sender].kg, cooperants[msg.sender].received, token.balanceOf(msg.sender));
}

function getUsersAddresses() public view returns (address[]memory) {
return cooperantAdresses;
}
}