b7d60f2f9a
* Bump required compiler version to 0.5.2. * Fix shadowed variable warning in ERC20Migrator. * Rename Counter to Counters. * Add dummy state variable to SafeERC20Helper. * Update changelog entry. * Fix CountersImpl name. * Improve changelog entry.
23 lines
678 B
Solidity
23 lines
678 B
Solidity
pragma solidity ^0.5.2;
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import "./Escrow.sol";
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/**
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* @title ConditionalEscrow
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* @dev Base abstract escrow to only allow withdrawal if a condition is met.
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* @dev Intended usage: See Escrow.sol. Same usage guidelines apply here.
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*/
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contract ConditionalEscrow is Escrow {
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/**
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* @dev Returns whether an address is allowed to withdraw their funds. To be
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* implemented by derived contracts.
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* @param payee The destination address of the funds.
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*/
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function withdrawalAllowed(address payee) public view returns (bool);
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function withdraw(address payable payee) public {
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require(withdrawalAllowed(payee));
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super.withdraw(payee);
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}
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}
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