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Smart Money Implementation

Are you up for a small challenge?

Write a smart contract that allows for:

  1. Deposits from everyone
  2. Withdrawals only in the amount that was deposited by the person who likes to withdraw

In this video I’m going to show you a sample solution

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Sample Solution

And this is my sample solution to the challenge:

//SPDX-License-Identifier: MIT pragma solidity 0.8.16; contract SendWithdrawMoney { uint public balanceReceived; function deposit() public payable { balanceReceived += msg.value; } function getContractBalance() public view returns(uint) { return address(this).balance; } function withdrawAll() public { address payable to = payable(msg.sender); to.transfer(getContractBalance()); } function withdrawToAddress(address payable to) public { to.transfer(getContractBalance()); } }
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