Contract Source Code:

/**
 *Submitted for verification at Etherscan.io on 2020-09-16
*/

/**
 *Submitted for verification at Etherscan.io on 2020-09-16
*/

pragma solidity ^0.5.0;

/**
 ********************************************************************
 * 

 .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------. 
| .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. |
| |  ____  ____  | || |  _________   | || |      __      | || |  _______     | || | ____    ____ | || |  _________   | || |  _______     | |
| | |_  _||_  _| | || | |_   ___  |  | || |     /  \     | || | |_   __ \    | || ||_   \  /   _|| || | |_   ___  |  | || | |_   __ \    | |
| |   \ \  / /   | || |   | |_  \_|  | || |    / /\ \    | || |   | |__) |   | || |  |   \/   |  | || |   | |_  \_|  | || |   | |__) |   | |
| |    \ \/ /    | || |   |  _|      | || |   / ____ \   | || |   |  __ /    | || |  | |\  /| |  | || |   |  _|  _   | || |   |  __ /    | |
| |    _|  |_    | || |  _| |_       | || | _/ /    \ \_ | || |  _| |  \ \_  | || | _| |_\/_| |_ | || |  _| |___/ |  | || |  _| |  \ \_  | |
| |   |______|   | || | |_____|      | || ||____|  |____|| || | |____| |___| | || ||_____||_____|| || | |_________|  | || | |____| |___| | |
| |              | || |              | || |              | || |              | || |              | || |              | || |              | |
| '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' |
 '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------' 


 ********************************************************************
 */

contract ERC20Interface {
    function totalSupply() public view returns (uint);
    function balanceOf(address tokenOwner) public view returns (uint balance);
    function allowance(address tokenOwner, address spender) public view returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

    event Transfer(address indexed from, address indexed to, uint tokens);
    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}

// ----------------------------------------------------------------------------
// Safe Math Library 
// ----------------------------------------------------------------------------
contract SafeMath {
    function safeAdd(uint a, uint b) public pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function safeSub(uint a, uint b) public pure returns (uint c) {
        require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0);
        c = a / b;
    }
}


contract sYFARMER is ERC20Interface, SafeMath {
    string public name;
    string public symbol;
    uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it
    
    uint256 public _totalSupply;
    
    mapping(address => uint) balances;
    mapping(address => mapping(address => uint)) allowed;
    
    /**
     * Constrctor function
     *
     * Initializes contract with initial supply tokens to the creator of the contract
     */
    constructor() public {
        name = "YFarmLand Silver Crystal";
        symbol = "sYFARMER";
        decimals = 18;
        _totalSupply = 100000000000000000000;
        
        balances[msg.sender] = 100000000000000000000;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }
    
    function totalSupply() public view returns (uint) {
        return _totalSupply  - balances[address(0)];
    }
    
    function balanceOf(address tokenOwner) public view returns (uint balance) {
        return balances[tokenOwner];
    }
    
    function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
        return allowed[tokenOwner][spender];
    }
    
    function approve(address spender, uint tokens) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        return true;
    }
    
    function transfer(address to, uint tokens) public returns (bool success) {
        balances[msg.sender] = safeSub(balances[msg.sender], tokens);
        balances[to] = safeAdd(balances[to], tokens);
        emit Transfer(msg.sender, to, tokens);
        return true;
    }
    
    function transferFrom(address from, address to, uint tokens) public returns (bool success) {
        balances[from] = safeSub(balances[from], tokens);
        allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
        balances[to] = safeAdd(balances[to], tokens);
        emit Transfer(from, to, tokens);
        return true;
    }
}