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-rw-r--r--packages/deployer/src/test/fixtures/contracts/base/SafeMath.sol41
1 files changed, 41 insertions, 0 deletions
diff --git a/packages/deployer/src/test/fixtures/contracts/base/SafeMath.sol b/packages/deployer/src/test/fixtures/contracts/base/SafeMath.sol
new file mode 100644
index 000000000..7414684a8
--- /dev/null
+++ b/packages/deployer/src/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;
+ }
+}