solidity/test/compilationTests/zeppelin/crowdsale/RefundableCrowdsale.sol

60 lines
1.4 KiB
Solidity
Raw Normal View History

2017-07-05 10:28:15 +00:00
pragma solidity ^0.4.11;
import '../math/SafeMath.sol';
import './FinalizableCrowdsale.sol';
import './RefundVault.sol';
/**
* @title RefundableCrowdsale
* @dev Extension of Crowdsale contract that adds a funding goal, and
* the possibility of users getting a refund if goal is not met.
* Uses a RefundVault as the crowdsale's vault.
*/
contract RefundableCrowdsale is FinalizableCrowdsale {
using SafeMath for uint256;
// minimum amount of funds to be raised in weis
uint256 public goal;
// refund vault used to hold funds while crowdsale is running
RefundVault public vault;
2018-07-04 17:20:51 +00:00
constructor(uint256 _goal) public {
2017-07-05 10:28:15 +00:00
vault = new RefundVault(wallet);
goal = _goal;
}
// We're overriding the fund forwarding from Crowdsale.
// In addition to sending the funds, we want to call
// the RefundVault deposit function
function forwardFunds() internal {
vault.deposit.value(msg.value)(msg.sender);
}
// if crowdsale is unsuccessful, investors can claim refunds here
2018-07-04 17:20:51 +00:00
function claimRefund() public {
2017-07-05 10:28:15 +00:00
require(isFinalized);
require(!goalReached());
vault.refund(msg.sender);
}
// vault finalization task, called when owner calls finalize()
function finalization() internal {
if (goalReached()) {
vault.close();
} else {
vault.enableRefunds();
}
super.finalization();
}
2018-07-02 09:14:28 +00:00
function goalReached() public view returns (bool) {
2017-07-05 10:28:15 +00:00
return weiRaised >= goal;
}
}