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Merge 3.4 master into solc-0.8 (#2499)

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* 3.4.0-rc.0

* Allow manual dispatch of Test CI job

* Update lockfile (#2481)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

* Add "available since" comments in documentation

* Add "available since" comments in documentation

(cherry picked from commit 63a0343dda)

* Remove SafeMathMock compilation warnings (#2497)

* Remove SafeMathMock compilation warnings (#2497)

(cherry picked from commit f4e57fd529)

* 3.4.0

* fix safemath test to use renamed function from the mock

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Renovate Bot <bot@renovateapp.com>
This commit is contained in:
Hadrien Croubois
2021-02-02 22:07:56 +01:00
committed by GitHub
parent 5db7413827
commit 93438eca0b
16 changed files with 55 additions and 27 deletions
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10
contracts/math/SafeMath.sol
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@ -8,6 +8,8 @@ pragma solidity ^0.8.0;
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
@ -19,6 +21,8 @@ library SafeMath {
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
@ -29,6 +33,8 @@ library SafeMath {
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
@ -44,6 +50,8 @@ library SafeMath {
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
@ -54,6 +62,8 @@ library SafeMath {
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {