Merge pull request #25 from nexusdev/hotfix

safeToAdd fix
dapphub · Mar 9, 2016 · 37913df · 37913df
2 parents 67b7aa7 + b4549a3
commit 37913df
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Showing 3 changed files with 12 additions and 2 deletions.
diff --git a/contracts/util/safety.sol b/contracts/util/safety.sol
@@ -1,6 +1,6 @@
 contract DSSafeAddSub {
     function safeToAdd(uint a, uint b) internal returns (bool) {
-        return (a + b > a);
+        return (a + b >= a);
     }
     function safeAdd(uint a, uint b) internal returns (uint) {
         if (!safeToAdd(a, b)) throw;

diff --git a/contracts/util/safety_test.sol b/contracts/util/safety_test.sol
@@ -0,0 +1,10 @@
+import 'dapple/test.sol';
+import 'util/safety.sol';
+
+contract SafeAddSubTest is Test, DSSafeAddSub {
+    function setUp() {
+    }
+    function testSafeToAddFix() {
+        assertTrue(safeToAdd(1, 0));
+    }
+}
diff --git a/dappfile b/dappfile
@@ -1,5 +1,5 @@
 name: dappsys
-version: 0.1.0
+version: 0.1.1
 layout:
   sol_sources: contracts
   build_dir: build