Created
March 22, 2018 12:46
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Doicoin
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pragma solidity ^0.4.4; | |
contract Token { | |
/// @return total amount of tokens | |
function totalSupply() constant returns (uint256 supply) {} | |
/// @param _owner The address from which the balance will be retrieved | |
/// @return The balance | |
function balanceOf(address _owner) constant returns (uint256 balance) {} | |
/// @notice send `_value` token to `_to` from `msg.sender` | |
/// @param _to The address of the recipient | |
/// @param _value The amount of token to be transferred | |
/// @return Whether the transfer was successful or not | |
function transfer(address _to, uint256 _value) returns (bool success) {} | |
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` | |
/// @param _from The address of the sender | |
/// @param _to The address of the recipient | |
/// @param _value The amount of token to be transferred | |
/// @return Whether the transfer was successful or not | |
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {} | |
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens | |
/// @param _spender The address of the account able to transfer the tokens | |
/// @param _value The amount of wei to be approved for transfer | |
/// @return Whether the approval was successful or not | |
function approve(address _spender, uint256 _value) returns (bool success) {} | |
/// @param _owner The address of the account owning tokens | |
/// @param _spender The address of the account able to transfer the tokens | |
/// @return Amount of remaining tokens allowed to spent | |
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {} | |
event Transfer(address indexed _from, address indexed _to, uint256 _value); | |
event Approval(address indexed _owner, address indexed _spender, uint256 _value); | |
} | |
contract StandardToken is Token { | |
function transfer(address _to, uint256 _value) returns (bool success) { | |
//Default assumes totalSupply can't be over max (2^256 - 1). | |
//If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap. | |
//Replace the if with this one instead. | |
//if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) { | |
if (balances[msg.sender] >= _value && _value > 0) { | |
balances[msg.sender] -= _value; | |
balances[_to] += _value; | |
Transfer(msg.sender, _to, _value); | |
return true; | |
} else { return false; } | |
} | |
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { | |
//same as above. Replace this line with the following if you want to protect against wrapping uints. | |
//if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) { | |
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) { | |
balances[_to] += _value; | |
balances[_from] -= _value; | |
allowed[_from][msg.sender] -= _value; | |
Transfer(_from, _to, _value); | |
return true; | |
} else { return false; } | |
} | |
function balanceOf(address _owner) constant returns (uint256 balance) { | |
return balances[_owner]; | |
} | |
function approve(address _spender, uint256 _value) returns (bool success) { | |
allowed[msg.sender][_spender] = _value; | |
Approval(msg.sender, _spender, _value); | |
return true; | |
} | |
function allowance(address _owner, address _spender) constant returns (uint256 remaining) { | |
return allowed[_owner][_spender]; | |
} | |
mapping (address => uint256) balances; | |
mapping (address => mapping (address => uint256)) allowed; | |
uint256 public totalSupply; | |
} | |
contract DOI is StandardToken { // C | |
/* Public variables of the token */ | |
/* | |
NOTE: | |
The following variables are OPTIONAL vanities. One does not have to include them. | |
They allow one to customise the token contract & in no way influences the core functionality. | |
Some wallets/interfaces might not even bother to look at this information. | |
*/ | |
string public name; // Token Name | |
uint8 public decimals; // How many decimals to show. To be standard complicant keep it 18 | |
string public symbol; // An identifier: eg SBX, XPR etc.. | |
string public version = 'H1.0'; | |
uint256 public unitsOneEthCanBuy; // How many units of your coin can be bought by 1 ETH? | |
uint256 public totalEthInWei; // WEI is the smallest unit of ETH (the equivalent of cent in USD or satoshi in BTC). We'll store the total ETH raised via our ICO here. | |
address public fundsWallet; // Where should the raised ETH go? | |
// This is a constructor function | |
// which means the following function name has to match the contract name declared above | |
function DOI() { | |
balances[msg.sender] = 100000000000000000000000000; // Give the creator all initial tokens. | |
totalSupply = 100000000000000000000000000; // Update total supply | |
name = "Doicoin"; // Set the name for display purposes | |
decimals = 18; // Amount of decimals for display purposes | |
symbol = "DOI"; // Set the symbol for display purposes | |
unitsOneEthCanBuy = 100; // Set the price of your token for the ICO | |
fundsWallet = msg.sender; // The owner of the contract gets ETH | |
} | |
function() payable{ | |
totalEthInWei = totalEthInWei + msg.value; | |
uint256 amount = msg.value * unitsOneEthCanBuy; | |
require(balances[fundsWallet] >= amount); | |
balances[fundsWallet] = balances[fundsWallet] - amount; | |
balances[msg.sender] = balances[msg.sender] + amount; | |
Transfer(fundsWallet, msg.sender, amount); // Broadcast a message to the blockchain | |
//Transfer ether to fundsWallet | |
fundsWallet.transfer(msg.value); | |
} | |
/* Approves and then calls the receiving contract */ | |
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) { | |
allowed[msg.sender][_spender] = _value; | |
Approval(msg.sender, _spender, _value); | |
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this. | |
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData) | |
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead. | |
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; } | |
return true; | |
} | |
} |
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Contract Adresse:
0x6b896cb1a3a3216f4056aa84051532124c65b142
Home:
https://www.doiself.de/doicoin/
Twitter:
https://twitter.com/Doiself1
Forum:
http://doiself.forumprofi.de/index.php?c=2
Bitcointalk:
https://bitcointalk.org/index.php?topic=3197703.new#new
Etherscan:
https://etherscan.io/token/0x6b896cb1a3a3216f4056aa84051532124c65b142