Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• library SafeMath
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function add(uint256 a, uint256 b)
•    - function ceil(uint a, uint m)
•  contract preSale *
•    - function setEventEndDate(uint256 endD ...
•    - function deposit()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2020-12-05
*/

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 *
*/
 
library SafeMath {
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0) {
      return 0;
    }
    uint256 c = a * b;
    assert(c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
  
  function ceil(uint a, uint m) internal pure returns (uint r) {
    return (a + m - 1) / m * m;
  }
}


contract preSale{
    
    using SafeMath for uint256;
    
    address payable constant public fundsReceiver = 0x1F1800e21dD5080354A06d678ae9B30C00CA4E53;
    
    uint256 public totalFundsReceived;
    uint256 public totalDepositors;
    uint256 public EventEndDate;
    uint256 public softCap = 200 ether;
    
    mapping(address => uint256) public investors; // save each user investment
    
    modifier onlyFundsReceiver{
        require(msg.sender == fundsReceiver);
        _;
    }
    
    
    function setEventEndDate(uint256 endDate) external onlyFundsReceiver{
        EventEndDate = endDate;
    }

    receive() external payable{
        deposit();
    }
    
    function deposit() public payable{
        if(EventEndDate > 0)
            require(block.timestamp <= EventEndDate, "Event is closed");
        if(investors[msg.sender] == 0)
            totalDepositors = totalDepositors.add(1);
        totalFundsReceived = totalFundsReceived.add(msg.value);
        investors[msg.sender] = investors[msg.sender].add(msg.value);
        fundsReceiver.transfer(msg.value);
    }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"name":"EventEndDate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"fundsReceiver","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"investors","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"endDate","type":"uint256"}],"name":"setEventEndDate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"softCap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalDepositors","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalFundsReceived","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

1020:1134:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1700:9;:7;:9::i;:::-;1020:1134;;;;;1088:90;;;;;;;;;;;;;:::i;:::-;;;;-1:-1:-1;;;;;1088:90:0;;;;;;;;;;;;;;1268:27;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;1231:30;;;;;;;;;;;;;:::i;1349:44::-;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1349:44:0;-1:-1:-1;;;;;1349:44:0;;:::i;1302:34::-;;;;;;;;;;;;;:::i;1191:33::-;;;;;;;;;;;;;:::i;1546:109::-;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1546:109:0;;:::i;1729:420::-;;;1776:12;;:16;1773:93;;1834:12;;1815:15;:31;;1807:59;;;;;-1:-1:-1;;;1807:59:0;;;;;;;;;;;;-1:-1:-1;;;1807:59:0;;;;;;;;;;;;;;;1890:10;1880:21;;;;:9;:21;;;;;;1877:84;;1959:1;1939:15;;:22;;:19;:22::i;:::-;1921:15;:40;1877:84;1993:18;;:33;;2016:9;1993:22;:33::i;:::-;1972:18;:54;;;2071:10;2061:21;;:9;:21;;;;;;:36;;2087:9;2061:25;:36::i;:::-;2047:10;2037:21;;;;:9;:21;;;;;;:60;;;;2108:33;;1136:42;;2131:9;2108:33;;;;;2131:9;;2108:33;2037:21;2108:33;2131:9;1136:42;2108:33;;;;;;;;;;;;;;;;;;;;;1729:420::o;1088:90::-;1136:42;1088:90;:::o;1268:27::-;;;;:::o;1231:30::-;;;;:::o;1349:44::-;;;;;;;;;;;;;:::o;1302:34::-;;;;:::o;1191:33::-;;;;:::o;1546:109::-;1480:10;1136:42;1480:27;1472:36;;;;;;1625:12:::1;:22:::0;1546:109::o;770:133::-;828:7;856:5;;;875:6;;;;868:14;;;;896:1;770:133;-1:-1:-1;;;770:133:0:o

ipfs://60b68614c572a1b04961b701cc78370040447a4b363c95cf76fe3ff7bc208762