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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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12
contracts/drafts/SignedSafeMath.sol
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@ -18,10 +18,10 @@ library SignedSafeMath {
return 0;
}
require(!(a == -1 && b == INT256_MIN)); // This is the only case of overflow not detected by the check below
require(!(a == -1 && b == INT256_MIN), "SignedSafeMath: multiplication overflow");
int256 c = a * b;
require(c / a == b);
require(c / a == b, "SignedSafeMath: multiplication overflow");
return c;
}
@ -30,8 +30,8 @@ library SignedSafeMath {
* @dev Integer division of two signed integers truncating the quotient, reverts on division by zero.
*/
function div(int256 a, int256 b) internal pure returns (int256) {
require(b != 0); // Solidity only automatically asserts when dividing by 0
require(!(b == -1 && a == INT256_MIN)); // This is the only case of overflow
require(b != 0, "SignedSafeMath: division by zero");
require(!(b == -1 && a == INT256_MIN), "SignedSafeMath: division overflow");
int256 c = a / b;
@ -43,7 +43,7 @@ library SignedSafeMath {
*/
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
require((b >= 0 && c <= a) || (b < 0 && c > a), "SignedSafeMath: subtraction overflow");
return c;
}
@ -53,7 +53,7 @@ library SignedSafeMath {
*/
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
require((b >= 0 && c >= a) || (b < 0 && c < a), "SignedSafeMath: addition overflow");
return c;
}