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-rw-r--r--packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol15
1 files changed, 7 insertions, 8 deletions
diff --git a/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol b/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
index 8cbb8e526..4413244db 100644
--- a/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
+++ b/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
@@ -1,28 +1,27 @@
pragma solidity 0.4.24;
-pragma experimental ABIEncoderV2;
contract SafeMath {
- function safeMul(uint a, uint b)
+ function safeMul(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
- uint c = a * b;
+ uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
- function safeDiv(uint a, uint b)
+ function safeDiv(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
- uint c = a / b;
+ uint256 c = a / b;
return c;
}
- function safeSub(uint a, uint b)
+ function safeSub(uint256 a, uint256 b)
internal
pure
returns (uint256)
@@ -31,12 +30,12 @@ contract SafeMath {
return a - b;
}
- function safeAdd(uint a, uint b)
+ function safeAdd(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
- uint c = a + b;
+ uint256 c = a + b;
assert(c >= a);
return c;
}