合约名称
GMile

合约账户余额
0

交易笔数
45851 txns

编译器版本
v0.4.10+commit.f0d539ae

pragma solidity ^0.4.2;contract owned {address public owner;function owned() {owner = msg.sender;}modifier onlyOwner {if (msg.sender != owner) throw;_;}function transferOwnership(address newOwner) onlyOwner {owner = newOwner;}}contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); }contract token {string public standard = 'Token 0.1';string public name;string public symbol;uint8 public decimals;uint256 public totalSupply;mapping (address => uint256) public balanceOf;mapping (address => mapping (address => uint256)) public allowance;event Transfer(address indexed from, address indexed to, uint256 value);function token(uint256 initialSupply,string tokenName,uint8 decimalUnits,string tokenSymbol) {balanceOf[msg.sender] = initialSupply;totalSupply = initialSupply;name = tokenName;symbol = tokenSymbol;decimals = decimalUnits;}function transfer(address _to, uint256 _value) {if (balanceOf[msg.sender] < _value) throw;if (balanceOf[_to] + _value < balanceOf[_to]) throw;balanceOf[msg.sender] -= _value;balanceOf[_to] += _value;Transfer(msg.sender, _to, _value);}function approve(address _spender, uint256 _value)returns (bool success) {allowance[msg.sender][_spender] = _value;tokenRecipient spender = tokenRecipient(_spender);return true;}function approveAndCall(address _spender, uint256 _value, bytes _extraData)returns (bool success) {tokenRecipient spender = tokenRecipient(_spender);if (approve(_spender, _value)) {spender.receiveApproval(msg.sender, _value, this, _extraData);return true;}}function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {if (balanceOf[_from] < _value) throw;if (balanceOf[_to] + _value < balanceOf[_to]) throw;if (_value > allowance[_from][msg.sender]) throw;balanceOf[_from] -= _value;balanceOf[_to] += _value;allowance[_from][msg.sender] -= _value;Transfer(_from, _to, _value);return true;}function () {throw;}}contract GMile is owned, token {uint256 public sellPrice;uint256 public buyPrice;mapping (address => bool) public frozenAccount;event FrozenFunds(address target, bool frozen);function GMile(uint256 initialSupply,string tokenName,uint8 decimalUnits,string tokenSymbol) token (initialSupply, tokenName, decimalUnits, tokenSymbol) {balanceOf[owner] = initialSupply;totalSupply = initialSupply;}function transfer(address _to, uint256 _value) {if (balanceOf[msg.sender] < _value) throw;if (balanceOf[_to] + _value < balanceOf[_to]) throw;if (frozenAccount[msg.sender]) throw;balanceOf[msg.sender] -= _value;balanceOf[_to] += _value;Transfer(msg.sender, _to, _value);}function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {if (frozenAccount[_from]) throw;if (balanceOf[_from] < _value) throw;if (balanceOf[_to] + _value < balanceOf[_to]) throw;if (_value > allowance[_from][msg.sender]) throw;balanceOf[_from] -= _value;balanceOf[_to] += _value;allowance[_from][msg.sender] -= _value;Transfer(_from, _to, _value);return true;}function mintToken(address target, uint256 mintedAmount) onlyOwner {balanceOf[target] += mintedAmount;totalSupply += mintedAmount;Transfer(0, this, mintedAmount);Transfer(this, target, mintedAmount);}function freezeAccount(address target, bool freeze) onlyOwner {frozenAccount[target] = freeze;FrozenFunds(target, freeze);}function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner {sellPrice = newSellPrice;buyPrice = newBuyPrice;}function buy() payable {uint amount = msg.value / buyPrice;if (balanceOf[this] < amount) throw;balanceOf[msg.sender] += amount;balanceOf[this] -= amount;Transfer(this, msg.sender, amount);}function sell(uint256 amount) {if (balanceOf[msg.sender] < amount ) throw;balanceOf[this] += amount;balanceOf[msg.sender] -= amount;if (!msg.sender.send(amount * sellPrice)) {throw;} else {Transfer(msg.sender, this, amount);}}}
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