Petiz (OP)
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March 24, 2018, 07:29:08 AM |
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Всем привет, ни когда не программировал на языке solidity поэтому сильно не ругайтесь, в процессе пользовался исходниками zeppelin, в данный момент не компилируется код , судя по ошибке код старой версии а компилятор новой. установка производится в MIST . Условия контракта: создание токенов в момент их реализации, бонусы инвесторам , выделение доли токенов для команды. МОжет какие то существенные ошибки есть ? pragma solidity ^0.4.16;
/** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) public constant returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); }
/** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public constant returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); }
/** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath {
/** * @dev Multiplies two numbers, throws on overflow. */ 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; }
/** * @dev Integer division of two numbers, truncating the quotient. */ 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; }
/** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; }
/** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256;
mapping(address => uint256) balances;
/** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address to, uint256 value)public returns (bool) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[to] = balances[to].add(value); Transfer(msg.sender, to, value); return true; }
/** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address owner)public constant returns (uint256 balance) { return balances[owner]; }
}
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amout of tokens to be transfered */ function transferFrom(address from, address to, uint256 value) public returns (bool) { allowance = allowed[from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance);
balances[to] = balances[to].add(value); balances[from] = balances[from].sub(value); allowed[from][msg.sender] = allowance.sub(value); Transfer(from, to, value); return true; }
/** * @dev Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value)public returns (bool) {
// To change the approve amount you first have to reduce the addresses` // allowance to zero by calling `approve(_spender, 0)` if it is not // already 0 to mitigate the race condition described here: // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][spender] = value; Approval(msg.sender, spender, value); return true; }
/** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifing the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender)public constant returns (uint256 remaining) { return allowed[_owner][_spender]; }
}
/** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner;
/** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable()public { owner = msg.sender; }
/** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; }
/** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { require(newOwner != address(0)); owner = newOwner; }
}
/** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). */ contract BurnableToken is StandardToken {
/** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */ function burn(uint _value) public { require(_value > 0); address burner = msg.sender; balances[burner] = balances[burner].sub(_value); totalSupply = totalSupply.sub(_value); Burn(burner, _value); }
event Burn(address indexed burner, uint indexed value);
}
contract SimpleCoinToken is BurnableToken { string public constant name = "..........."; string public constant symbol = ".............."; uint32 public constant decimals = 5;
uint256 public INITIAL_SUPPLY = 100000000 * 1 ether;
function SimpleCoinToken() public { totalSupply = INITIAL_SUPPLY; balances[msg.sender] = INITIAL_SUPPLY; } }
contract Crowdsale is Ownable { using SafeMath for uint; address multisig;
uint restrictedPercent;
address restricted;
SimpleCoinToken public token = new SimpleCoinToken();
uint start; uint period;
uint rate;
function Crowdsale() public { multisig = 0x06c49F11b09c0d984394cb355Bb1c284b1924b37; restricted = 0x87140A60339968dF9e2DB831F7168c7de7719578; restrictedPercent = 33; rate = 100000000000000000000; start = 1526040000; period = 64; }
modifier saleIsOn() { require(now > start && now < start + period * 1 days); _; }
function createTokens() saleIsOn payable public { multisig.transfer(msg.value); uint tokens = rate.mul(msg.value).div(1 ether); uint bonusTokens = 0; if(now < start + (period * 1 days).div(4)) { bonusTokens = tokens.div(4); } else if(now >= start + (period * 1 days).div(4) && now < start + (period * 1 days).div(4).mul(2)) { bonusTokens = tokens.div(10); } else if(now >= start + (period * 1 days).div(4).mul(2) && now < start + (period * 1 days).div(4).mul(3)) { bonusTokens = tokens.div(20); } uint tokensWithBonus = tokens.add(bonusTokens); token.transfer(msg.sender, tokensWithBonus); uint restrictedTokens = tokens.mul(restrictedPercent).div(100 - restrictedPercent); token.transfer(restricted, restrictedTokens); }
function() external payable { createTokens(); } }
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tamerl4n
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March 24, 2018, 07:52:00 AM |
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Косяки с переменными, _value и value, _spender и spender, allowance. Код-каша.
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Snasey
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March 24, 2018, 07:56:15 AM |
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унаследовал все что можно не думая) опечатки связанные с "_", который можно руками найти в Remix'е * @title Basic token * @dev Basic version of StandardToken, [b]with no allowances[/b].
А потом используешь как ни в чем не бывало allowances, причем нигде не объявляя его. Судя по всем ТС лукавит, говоря что не кодил на solidity) Вероятно он не кодил вообще
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Petiz (OP)
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March 24, 2018, 08:09:28 AM |
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оК поставим вопрос другой стороной, кто возьмется поправить и за какую сумму ? пишите в лс
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Snasey
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March 24, 2018, 09:42:29 AM |
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оК поставим вопрос другой стороной, кто возьмется поправить и за какую сумму ? пишите в лс
ЛС у новичков закрыт, так что Вам никто не напишет) P.s. Мой телеграм в подписи.
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Petiz (OP)
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March 24, 2018, 11:52:03 AM |
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Пишите контакты буду связываться
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zeluk41
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March 24, 2018, 12:16:53 PM |
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нужна помощь ? - чем могу помогу.
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Petiz (OP)
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March 24, 2018, 02:50:52 PM |
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+79995696211 telegram, whats app пишите с предложениями
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Andriy Volosh
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March 25, 2018, 08:15:46 AM |
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Судя по всем ТС лукавит, говоря что не кодил на solidity) Вероятно он не кодил вообще Если топикстартер лукавит с самого начала, то и за смарт-контракт он врядли заплатит.
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Petiz (OP)
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March 25, 2018, 08:41:47 AM |
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Готов работать по предоплате
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KRUTIN
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March 28, 2018, 04:38:49 AM |
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А в чем помочь? Какая оплата и как будет происходить?
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Petiz (OP)
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March 29, 2018, 07:44:10 PM |
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В общем смарт контракт написан, огромное спасибо за это Захару, требуется человек кто сможет с интегрировать его с сайтом.
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Nikolay89
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June 02, 2021, 05:41:21 PM Last edit: June 03, 2021, 06:41:10 AM by xandry |
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В общем смарт контракт написан, огромное спасибо за это Захару, требуется человек кто сможет с интегрировать его с сайтом.
Мне тоже нужна такая помощь, кто вам помог подскажите пожалуйста контакты!!! Пишите контакты буду связываться
Приветствую! Мне нужна помощь, помогите по смарт контракту,мой телеграм @WikingR
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