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File refactoring + created Bin
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@ -1,7 +1,18 @@
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pragma solidity 0.5.0;
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pragma solidity ^0.5.0;
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import "./safemath.sol";
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library SafeMath {
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "Assertion Failed");
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return c;
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}
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}
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interface IERC20 {
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function balanceOf(address who) external view returns (uint256);
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@ -1,32 +0,0 @@
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pragma solidity 0.5.0;
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library SafeMath {
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "Assertion Failed");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b > 0, "Assertion Failed");
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uint256 c = a / b;
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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assert(b <= a);
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return a - b;
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}
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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assert(c >= a);
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return c;
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}
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}
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