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authorLeonid Logvinov <logvinov.leon@gmail.com>2018-05-11 18:12:39 +0800
committerGitHub <noreply@github.com>2018-05-11 18:12:39 +0800
commitf42f608f3f97a5244f09f17ae5ee184c0f775de3 (patch)
tree08fd03d69f8a7dfcc7beadcd56c5d1624928c430 /packages/sol-compiler/test/fixtures/contracts/base/SafeMath.sol
parent44f17c1706e7b3208fdc0702c54a8cd943132fd3 (diff)
parentc093aab350dfbd86972d6388c3923ec60fc4501a (diff)
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Merge pull request #574 from 0xProject/feature/rm-rf-deployer
Remove @0xproject/deployer.Deployer. Make contracts able to deploy themselves
Diffstat (limited to 'packages/sol-compiler/test/fixtures/contracts/base/SafeMath.sol')
-rw-r--r--packages/sol-compiler/test/fixtures/contracts/base/SafeMath.sol41
1 files changed, 41 insertions, 0 deletions
diff --git a/packages/sol-compiler/test/fixtures/contracts/base/SafeMath.sol b/packages/sol-compiler/test/fixtures/contracts/base/SafeMath.sol
new file mode 100644
index 000000000..92ce11cde
--- /dev/null
+++ b/packages/sol-compiler/test/fixtures/contracts/base/SafeMath.sol
@@ -0,0 +1,41 @@
+pragma solidity ^0.4.14;
+
+contract SafeMath {
+ function safeMul(uint a, uint b) internal constant returns (uint256) {
+ uint c = a * b;
+ assert(a == 0 || c / a == b);
+ return c;
+ }
+
+ function safeDiv(uint a, uint b) internal constant returns (uint256) {
+ uint c = a / b;
+ return c;
+ }
+
+ function safeSub(uint a, uint b) internal constant returns (uint256) {
+ assert(b <= a);
+ return a - b;
+ }
+
+ function safeAdd(uint a, uint b) internal constant returns (uint256) {
+ uint c = a + b;
+ assert(c >= a);
+ return c;
+ }
+
+ function max64(uint64 a, uint64 b) internal constant returns (uint64) {
+ return a >= b ? a : b;
+ }
+
+ function min64(uint64 a, uint64 b) internal constant returns (uint64) {
+ return a < b ? a : b;
+ }
+
+ function max256(uint256 a, uint256 b) internal constant returns (uint256) {
+ return a >= b ? a : b;
+ }
+
+ function min256(uint256 a, uint256 b) internal constant returns (uint256) {
+ return a < b ? a : b;
+ }
+}