79 lines
2.6 KiB
Solidity
79 lines
2.6 KiB
Solidity
// Build and Tested by Roman Storm rstormsf@gmail.com
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import "zeppelin-solidity/contracts/math/SafeMath.sol";
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import "zeppelin-solidity/contracts/token/BasicToken.sol";
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import "zeppelin-solidity/contracts/ownership/Ownable.sol";
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pragma solidity ^0.4.17;
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contract PresaleOracles is Ownable {
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using SafeMath for uint256;
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uint256 public startTime;
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uint256 public endTime;
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uint256 public cap;
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uint256 public rate;
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uint256 public totalInvestedInWei;
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uint256 public investorsLength;
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uint256 public minimumContribution;
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mapping(address => uint256) public investorBalances;
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address public vault;
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bool public isInitialized = false;
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// TESTED by Roman Storm
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function () public payable {
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buy();
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}
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//TESTED by Roman Storm
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function Presale() public {
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}
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//TESTED by Roman Storm
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function initialize(uint256 _startTime, uint256 _endTime, uint256 _cap, uint256 _minimumContribution, address _vault) public onlyOwner {
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require(!isInitialized);
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require(_startTime != 0);
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require(_endTime != 0);
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require(_endTime > _startTime);
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require(_cap != 0);
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require(_minimumContribution != 0);
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require(_vault != 0x0);
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startTime = _startTime;
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endTime = _endTime;
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cap = _cap;
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isInitialized = true;
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minimumContribution =_minimumContribution;
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vault = _vault;
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}
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//TESTED by Roman Storm
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function buy() public payable {
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require(isValidPurchase());
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require(isInitialized);
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require(getTime() >= startTime && getTime() <= endTime);
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address investor = msg.sender;
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investorBalances[investor] += msg.value;
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totalInvestedInWei += msg.value;
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forwardFunds(msg.value);
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}
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//TESTED by Roman Storm
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function forwardFunds(uint256 _amount) internal {
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vault.transfer(_amount);
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}
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//TESTED by Roman Storm
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function claimTokens(address _token) public onlyOwner {
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if (_token == 0x0) {
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owner.transfer(this.balance);
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return;
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}
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BasicToken token = BasicToken(_token);
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uint256 balance = token.balanceOf(this);
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token.transfer(owner, balance);
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}
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function getTime() internal view returns(uint256) {
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return now;
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}
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//TESTED by Roman Storm
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function isValidPurchase() public view returns(bool) {
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bool hasMinimumAmount = investorBalances[msg.sender].add(msg.value) >= minimumContribution;
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bool withinCap = totalInvestedInWei.add(msg.value) <= cap;
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return hasMinimumAmount && withinCap;
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}
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} |