Buyer.sol

pragma solidity ^0.5.7;

contract Buyer{
    address public manager;
    address private owner;

    struct BuyerDetail{
        string bd_company;
        address bd_walletAddr;
    }

    uint256 buyerId;
    mapping(address=>BuyerDetail) private buyerInfo;
    mapping(address=>uint256) public buyerAddrToID;

    constructor() public{
        owner = msg.sender;
    }


    modifier onlyManager(){
       require(msg.sender == manager,"onlyManager can do");
       _;
    }

    function setManager(address _managerAddr) public {
        require(msg.sender == owner,"only owner");
        manager = _managerAddr ;
    }

    /**
     * @dev regesterBuyer,is manager register ,befor register must do kyc
     * @param _buyerAddr buyer address
     * @param _companyName company Name
     */
    function registerBuyer(address _buyerAddr,string memory _companyName) public onlyManager{

        uint256 bid = buyerAddrToID[_buyerAddr];
        if(bid == 0 ){
            buyerId++;
            buyerAddrToID[_buyerAddr] = buyerId;
            buyerInfo[_buyerAddr].bd_company = _companyName;
            buyerInfo[_buyerAddr].bd_walletAddr = _buyerAddr;
        }
    }

    function isRegisterBuyer(address _buyerAddr) view public returns(uint256 buyerID){
        buyerID = buyerAddrToID[_buyerAddr];
    }


}