5dfe7215a9
* Initial migration to Solidity 0.6.x - v3.0 first steps (#2063) * Initial migration, missing GSN, 721, 777 and Crowdsales. * Add _beforeTokenOperation and _afterTokenOperation. * Add documentation for hooks. * Add hooks doc * Add missing drafts * Add back ERC721 with hooks * Bring back ERC777 * Notes on hooks * Bring back GSN * Make functions virtual * Make GSN overrides explicit * Fix ERC20Pausable tests * Remove virtual from some view functions * Update linter * Delete examples * Remove unnecessary virtual * Remove roles from Pausable * Remove roles * Remove users of roles * Adapt ERC20 tests * Fix ERC721 tests * Add all ERC721 hooks * Add ERC777 hooks * Fix remaining tests * Bump compiler version * Move 721BurnableMock into mocks directory * Remove _before hooks * Fix tests * Upgrade linter * Put modifiers last * Remove _beforeTokenApproval and _beforeOperatorApproval hooks
11 lines
340 B
Solidity
11 lines
340 B
Solidity
pragma solidity ^0.6.0;
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import "../GSN/Context.sol";
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contract ReentrancyAttack is Context {
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function callSender(bytes4 data) public {
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// solhint-disable-next-line avoid-low-level-calls
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(bool success,) = _msgSender().call(abi.encodeWithSelector(data));
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require(success, "ReentrancyAttack: failed call");
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}
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}
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