问题描述
所以这是我的代码，它在 remix.ethereum 中正确编译，我成功地将它部署在 ropsten 测试链上我在 etherscan(https://ropsten.etherscan.io/address/0x22f27d3812a4d8bd2b6d870c300ea741906a7875) 上验证了代码，我可以启动 ICO，但是当我没有收到令牌时将eth转移到创建者地址
pragma solidity ^0.4.23;
library SafeMath {
function mul(uint256 a,uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a,uint256 b) internal pure returns (uint256) {
return a / b;
}
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 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed prevIoUsOwner,address indexed newOwner);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner,newOwner);
owner = newOwner;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to,uint256 value) public returns (bool);
event Transfer(address indexed from,address indexed to,uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner,address spender) public view 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);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to,uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender,_to,_value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
contract StandardToken is ERC20,BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from,address _to,uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from,_value);
return true;
}
function approve(address _spender,uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender,_spender,_value);
return true;
}
function allowance(address _owner,address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender,uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender,allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender,uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender,allowed[msg.sender][_spender]);
return true;
}
}
contract Configurable {
uint256 public constant cap = 1000000*10**18;
uint256 public constant basePrice = 100*10**18; // tokens per 1 ether
uint256 public tokensSold = 0;
uint256 public constant tokenReserve = 1000000*10**18;
uint256 public remainingTokens = 0;
}
contract Crowdsaletoken is StandardToken,Configurable,Ownable {
enum Stages {
none,icoStart,icoEnd
}
Stages currentStage;
constructor() public {
currentStage = Stages.none;
balances[owner] = balances[owner].add(tokenReserve);
totalSupply_ = totalSupply_.add(tokenReserve);
remainingTokens = cap;
emit Transfer(address(this),owner,tokenReserve);
}
function () public payable {
require(currentStage == Stages.icoStart);
require(msg.value > 0);
require(remainingTokens > 0);
uint256 weiAmount = msg.value;
uint256 tokens = weiAmount.mul(basePrice).div(1 ether);
uint256 returnWei = 0;
if(tokensSold.add(tokens) > cap){
uint256 newTokens = cap.sub(tokensSold);
uint256 newWei = newTokens.div(basePrice).mul(1 ether);
returnWei = weiAmount.sub(newWei);
weiAmount = newWei;
tokens = newTokens;
}
tokensSold = tokensSold.add(tokens);
remainingTokens = cap.sub(tokensSold);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this),msg.sender,returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens);
emit Transfer(address(this),tokens);
totalSupply_ = totalSupply_.add(tokens);
owner.transfer(weiAmount);
}
function startIco() public onlyOwner {
require(currentStage != Stages.icoEnd);
currentStage = Stages.icoStart;
}
function endIco() internal {
currentStage = Stages.icoEnd;
if(remainingTokens > 0)
balances[owner] = balances[owner].add(remainingTokens);
owner.transfer(address(this).balance);
}
function finalizeIco() public onlyOwner {
require(currentStage != Stages.icoEnd);
endIco();
}
}
contract PkpICOTest is Crowdsaletoken {
string public constant name = "PkpICOTest";
string public constant symbol = "PKPICT";
uint32 public constant decimals = 18;
}
解决方法
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