8fd072cf8e
* 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 * Add Deposited and Withdrawn events, removed Refunded * The base Escrow is now Ownable, users of it (owners) must provide methods to access it.
43 lines
1014 B
Solidity
43 lines
1014 B
Solidity
pragma solidity ^0.4.24;
|
|
|
|
import "./Escrow.sol";
|
|
|
|
|
|
/**
|
|
* @title PullPayment
|
|
* @dev Base contract supporting async send for pull payments. Inherit from this
|
|
* contract and use asyncTransfer instead of send or transfer.
|
|
*/
|
|
contract PullPayment {
|
|
Escrow private escrow;
|
|
|
|
constructor() public {
|
|
escrow = new Escrow();
|
|
}
|
|
|
|
/**
|
|
* @dev Withdraw accumulated balance, called by payee.
|
|
*/
|
|
function withdrawPayments() public {
|
|
address payee = msg.sender;
|
|
escrow.withdraw(payee);
|
|
}
|
|
|
|
/**
|
|
* @dev Returns the credit owed to an address.
|
|
* @param _dest The creditor's address.
|
|
*/
|
|
function payments(address _dest) public view returns (uint256) {
|
|
return escrow.depositsOf(_dest);
|
|
}
|
|
|
|
/**
|
|
* @dev Called by the payer to store the sent amount as credit to be pulled.
|
|
* @param _dest The destination address of the funds.
|
|
* @param _amount The amount to transfer.
|
|
*/
|
|
function asyncTransfer(address _dest, uint256 _amount) internal {
|
|
escrow.deposit.value(_amount)(_dest);
|
|
}
|
|
}
|