smartbugs-curated/dataset/arithmetic/integer_overflow_1.sol

25 lines
626 B
Solidity

/*
* @source: https://github.com/trailofbits/not-so-smart-contracts/blob/master/integer_overflow/integer_overflow_1.sol
* @author: -
* @vulnerable_at_lines: 14
*/
pragma solidity ^0.4.15;
contract Overflow {
uint private sellerBalance=0;
function add(uint value) returns (bool){
// <yes> <report> ARITHMETIC
sellerBalance += value; // possible overflow
// possible auditor assert
// assert(sellerBalance >= value);
}
// function safe_add(uint value) returns (bool){
// require(value + sellerBalance >= sellerBalance);
// sellerBalance += value;
// }
}