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Added message string for require() (#1704)

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* Error handling in ERC20 and ERC721

* Added message string for require.

* Fixed solhint errors.

* Updated PR as per issue #1709

* changes as per #1709 and openzeppelin forum.

* Changes in require statement

* Changes in require statement

* build pipeline fix

* Changes as per @nventuro's comment.

* Update revert reason strings.

* Fianal update of revert reason strings.

* WIP: Updating reason strings in test cases

* WIP: Added changes to ERC20 and ERC721

* Fixes linting errors in *.tes.js files

* Achieved 100% code coverage

* Updated the test cases with shouldFail.reverting.withMessage()

* Fix package-lock.

* address review comments

* fix linter issues

* fix remaining revert reasons
This commit is contained in:
Balaji Pachai
2019-04-24 19:47:08 +05:30
committed by Nicolás Venturo
parent 4a0a67b04c
commit 3682c6575c
93 changed files with 769 additions and 423 deletions
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10
contracts/math/SafeMath.sol
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@ -17,7 +17,7 @@ library SafeMath {
}
uint256 c = a * b;
require(c / a == b);
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
@ -27,7 +27,7 @@ library SafeMath {
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
require(b > 0, "SafeMath: division by zero");
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
@ -38,7 +38,7 @@ library SafeMath {
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
@ -49,7 +49,7 @@ library SafeMath {
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
require(c >= a, "SafeMath: addition overflow");
return c;
}
@ -59,7 +59,7 @@ library SafeMath {
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
require(b != 0, "SafeMath: modulo by zero");
return a % b;
}
}