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.
10 lines
253 B
Solidity
10 lines
253 B
Solidity
pragma solidity ^0.5.2;
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import "./IERC721Receiver.sol";
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contract ERC721Holder is IERC721Receiver {
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function onERC721Received(address, address, uint256, bytes memory) public returns (bytes4) {
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return this.onERC721Received.selector;
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}
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}
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