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/**
 *Submitted for verification at Etherscan.io on 2021-04-26
*/

pragma solidity >=0.8.0;
//SPDX-License-Identifier: MIT

//
// https://github.com/austintgriffith/scaffold-eth/tree/simple-stream
// @austingriffith
//

contract SimpleStream {

  event Withdraw( address indexed to, uint256 amount, string reason );
  event Deposit( address indexed from, uint256 amount, string reason );

  address payable public toAddress;
  uint256 public cap;
  uint256 public frequency;
  uint256 public last = block.timestamp - frequency; //stream starts full
  //uint256 public last = block.timestamp; //stream starts empty

  constructor(address payable _toAddress, uint256 _cap, uint256 _frequency, bool _startsFull) public {
    toAddress = _toAddress;
    cap = _cap;
    frequency = _frequency;
    if(_startsFull){
      last = block.timestamp - frequency;
    }else{
      last = block.timestamp;
    }
  }

  function streamBalance() public view returns (uint256){
    if(block.timestamp-last > frequency){
      return cap;
    }
    return (cap * (block.timestamp-last)) / frequency;
  }

  function streamWithdraw(uint256 amount, string memory reason) public {
       require(msg.sender==toAddress,"this stream is not for you");
       uint256 totalAmountCanWithdraw = streamBalance();
       require(totalAmountCanWithdraw>=amount,"not enough in the stream");
       last = last + ((block.timestamp - last) * amount / totalAmountCanWithdraw);
       emit Withdraw( msg.sender, amount, reason );
       toAddress.transfer(amount);
   }

   function streamDeposit(string memory reason) public payable {
      require(msg.value>=cap/10,"Not big enough, sorry.");
      emit Deposit( msg.sender, msg.value, reason );
    }

   receive() external payable { streamDeposit(""); }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address payable","name":"_toAddress","type":"address"},{"internalType":"uint256","name":"_cap","type":"uint256"},{"internalType":"uint256","name":"_frequency","type":"uint256"},{"internalType":"bool","name":"_startsFull","type":"bool"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"string","name":"reason","type":"string"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"string","name":"reason","type":"string"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"frequency","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"last","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"streamBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"reason","type":"string"}],"name":"streamDeposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"string","name":"reason","type":"string"}],"name":"streamWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toAddress","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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0000000000000000000000001e2ce012b27d0c0d3e717e943ef6e62717cec4ea00000000000000000000000000000000000000000000000006f05b59d3b20000000000000000000000000000000000000000000000000000000000000013c6800000000000000000000000000000000000000000000000000000000000000001

-----Decoded View---------------
Arg [0] : _toAddress (address): 0x1e2Ce012b27d0c0d3e717e943EF6e62717CEc4ea
Arg [1] : _cap (uint256): 500000000000000000
Arg [2] : _frequency (uint256): 1296000
Arg [3] : _startsFull (bool): True

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000001e2ce012b27d0c0d3e717e943ef6e62717cec4ea
Arg [1] : 00000000000000000000000000000000000000000000000006f05b59d3b20000
Arg [2] : 000000000000000000000000000000000000000000000000000000000013c680
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000001

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ipfs://e2cc8fb8f01c2c9025fb33b003d48d7169223d939b26657e18cf9e257aa91850