Files
openzeppelin-contracts/contracts/payment/ConditionalEscrow.sol
Nicolás Venturo 8fd072cf8e Escrows (#1014)
* Added basic Escrow

* PullPayment now uses an Escrow, removing all trust from the contract

* Abstracted the Escrow tests to a behaviour

* Added ConditionalEscrow

* Added RefundableEscrow.

* RefundableCrowdsale now uses a RefundEscrow, removed RefundVault.

* Renaming after code review.

* Added log test helper.

* Now allowing empty deposits and withdrawals.

* Style fixes.

* Minor review comments.

* Add Deposited and Withdrawn events, removed Refunded

* The base Escrow is now Ownable, users of it (owners) must provide methods to access it.
2018-07-03 18:54:55 -03:00

23 lines
579 B
Solidity

pragma solidity ^0.4.23;
import "./Escrow.sol";
/**
* @title ConditionalEscrow
* @dev Base abstract escrow to only allow withdrawal if a condition is met.
*/
contract ConditionalEscrow is Escrow {
/**
* @dev Returns whether an address is allowed to withdraw their funds. To be
* implemented by derived contracts.
* @param _payee The destination address of the funds.
*/
function withdrawalAllowed(address _payee) public view returns (bool);
function withdraw(address _payee) public {
require(withdrawalAllowed(_payee));
super.withdraw(_payee);
}
}