Contract

0x6C3D6042aCBE074dceC93EeCF53eAd1aC5D0a0A9

Source Code

Overview

ETH Balance

0 ETH

Eth Value

$0.00

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ContractCreator

0x1973F023...0d463e595 at txn 0x451092b76af924f37a3db8d2675ed7aa8b7e5c7242ac8df0602397d09a327e94

Multichain Info

$0 (Multichain Portfolio)

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Latest 1 from a total of 1 transactions

	Transaction Hash	Method	Block		From		To
	0x1e9bf12e92a580c186258316cc94cff494ed6e04c6a56b4d445cd6b599e521b2	Set Betting Cond...	4527329	2017-11-10 17:17:47	2660 days ago	1510334267	0x1973F023...0d463e595	IN	0x6C3D6042...aC5D0a0A9	0 ETH$0.00	0.00065784	20

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xf0b02cd3...C53f82e3b
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:

bet_various_v2

Compiler Version

v0.4.11+commit.68ef5810

Optimization Enabled:

No with 200 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-11-10
*/

pragma solidity ^0.4.7;

contract bet_various_v2{
    enum State { Started, Locked }
  State public state = State.Started;
  struct Guess{
    address addr;
    uint    guess;
  }
  uint arraysize=1000;
  uint constant maxguess=1000000;
  uint bettingprice = 0.01 ether;
  uint statusprice = 0.01 ether;
  Guess[1000] guesses;
  uint    numguesses = 0;
  bytes32 curhash = '';
  
  uint stasticsarrayitems = 20;
  uint[20] statistics;

  uint _gameindex = 1;
  
  struct Winner{
    address addr;
  }
  Winner[1000] winnners;
  uint    numwinners = 0;

  modifier inState(State _state) {
      require(state == _state);
      _;
  }
 
  address developer = 0x0;
  event SentPrizeToWinner(address winner, uint money, uint guess, uint gameindex, uint lotterynumber, uint timestamp);
  event SentDeveloperFee(uint amount, uint balance);

  function bet_various_v2() 
  {
    if(developer==address(0)){
      developer = msg.sender;
    }
  }

  function setBettingCondition(uint _contenders, uint _bettingprice)
  {
    if(msg.sender != developer)
      return;
  	arraysize  = _contenders;
  	if(arraysize>1000)
  	  arraysize = 1000;
  	bettingprice = _bettingprice;
  }
  
  function getMaxContenders() constant returns(uint){
  	return arraysize;
  }

  function getBettingPrice() constant returns(uint){
  	return bettingprice;
  }
    
  function findWinners(uint value) returns (uint)
  {
    numwinners = 0;
    uint lastdiff = maxguess;
    uint i = 0;
    int diff = 0;
    uint guess = 0;
    for (i = 0; i < numguesses; i++) {
      diff = (int)((int)(value)-(int)(guesses[i].guess));
      if(diff<0)
        diff = diff*-1;
      if(lastdiff>(uint)(diff)){
        guess = guesses[i].guess;
        lastdiff = (uint)(diff);
      }
    }
    
    for (i = 0; i < numguesses; i++) {
      diff = (int)((int)(value)-(int)(guesses[i].guess));
      if(diff<0)
        diff = diff*-1;
      if(lastdiff==uint(diff)){
        winnners[numwinners++].addr = guesses[i].addr;
      }
    }
    return guess;
  }
  
  function getDeveloperAddress() constant returns(address)
  {
    return developer;
  }
  
  function getDeveloperFee() constant returns(uint)
  {
    uint developerfee = this.balance/100;
    return developerfee;
  }
  
  function getBalance() constant returns(uint)
  {
     return this.balance;
  }
  
  function getLotteryMoney() constant returns(uint)
  {
    uint developerfee = getDeveloperFee();
    uint prize = (this.balance - developerfee)/(numwinners<1?1:numwinners);
    return prize;
  }

  function getBettingStastics() 
    payable
    returns(uint[20])
  {
    require(msg.value == statusprice); // 0.01 eth
    return statistics;
  }
  
  function getBettingStatus()
    constant
    returns (uint, uint, uint, uint, uint)
  {
    return ((uint)(state), numguesses, getLotteryMoney(), this.balance, bettingprice);
  }
  
  function setStatusPrice(uint value)
  {
      if(msg.sender != developer)
        return;
      statusprice = value;
  }
  function finish()
  {
    if(msg.sender != developer)
      return;
    _finish();
  }
  
  function _finish() private
  {
    state = State.Locked;

    uint lotterynumber = (uint(curhash)+block.timestamp)%(maxguess+1);
    // now that we know the random number was safely generate, let's do something with the random number..
    var guess = findWinners(lotterynumber);
    uint prize = getLotteryMoney();
    uint remain = this.balance - (prize*numwinners);
    for (uint i = 0; i < numwinners; i++) {
      address winner = winnners[i].addr;
      winner.transfer(prize);
      SentPrizeToWinner(winner, prize, guess, _gameindex, lotterynumber, block.timestamp);
    }
    // give delveoper the money left behind
    SentDeveloperFee(remain, this.balance);
    developer.transfer(remain); 
    
    numguesses = 0;
    for (i = 0; i < stasticsarrayitems; i++) {
      statistics[i] = 0;
    }
    _gameindex++;
    state = State.Started;
  }

  function addguess(uint guess) 
    inState(State.Started)
    payable
  {
    require(msg.value == bettingprice);
    
    uint divideby = maxguess/stasticsarrayitems;
    curhash = sha256(block.timestamp, block.coinbase, block.difficulty, curhash);
    if((uint)(numguesses+1)<=arraysize) {
      guesses[numguesses++] = Guess(msg.sender, guess);
      uint statindex = guess / divideby;
      if(statindex>=stasticsarrayitems) statindex = stasticsarrayitems-1;
      statistics[statindex] ++;
      if((uint)(numguesses)>=arraysize){
        _finish();
      }
    }
  }
}

Contract Security Audit

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Contract ABI

[{"constant":true,"inputs":[],"name":"getBalance","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getBettingStatus","outputs":[{"name":"","type":"uint256"},{"name":"","type":"uint256"},{"name":"","type":"uint256"},{"name":"","type":"uint256"},{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getDeveloperAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"value","type":"uint256"}],"name":"findWinners","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getMaxContenders","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"getBettingStastics","outputs":[{"name":"","type":"uint256[20]"}],"payable":true,"type":"function"},{"constant":true,"inputs":[],"name":"getBettingPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getDeveloperFee","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getLotteryMoney","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_contenders","type":"uint256"},{"name":"_bettingprice","type":"uint256"}],"name":"setBettingCondition","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"guess","type":"uint256"}],"name":"addguess","outputs":[],"payable":true,"type":"function"},{"constant":false,"inputs":[],"name":"finish","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"value","type":"uint256"}],"name":"setStatusPrice","outputs":[],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"winner","type":"address"},{"indexed":false,"name":"money","type":"uint256"},{"indexed":false,"name":"guess","type":"uint256"},{"indexed":false,"name":"gameindex","type":"uint256"},{"indexed":false,"name":"lotterynumber","type":"uint256"},{"indexed":false,"name":"timestamp","type":"uint256"}],"name":"SentPrizeToWinner","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"balance","type":"uint256"}],"name":"SentDeveloperFee","type":"event"}]

Deployed Bytecode

Decompile Bytecode

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Swarm Source

bzzr://279340ff11bd95a6290bdc6e3a53381279e3cd32dad0750a2fa9b9e7b7bb69ca

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