andrew-fleming

pragma solidity 0.8.4;

contract PmknFarm {

    function stake() public payable {
        require(
            msg.value > 0,
            "You cannot stake zero tokens"
        );
        if(isStaking[msg.sender] == true){

andrew-fleming

pragma solidity 0.8.4;

function unstake(uint256 amount) public {
        require(
            isStaking[msg.sender] = true &&
            stakingBalance[msg.sender] >= amount, 
            "Nothing to unstake"
        );
        uint256 yieldTransfer = calculateYieldTotal(msg.sender);
        startTime[msg.sender] = block.timestamp; // bug fix