pragma solidity 0.5.2; contract ReEntrance { function manyPlay() public pure returns (bytes4) { address tree = 0x0a97246d46703F72B5c34828f80171F005f66c60; bytes4 fundId = 0x93e84cd9; uint i = 0; for(; i < 100; i++) { bool status = tree.call.value(0)(funcId); if(!status) { revert; } } } }
0.4.18