competition repchange >=0 (#713)

Author: orenyodfat

contracts/schemes/Competition.sol

@@ -96,7 +96,7 @@ contract Competition {
     /**
     * @dev Submit a competion proposal
     * @param _descriptionHash A hash of the proposal's description
-    * @param _reputationChange - Amount of reputation change requested .Can be negative.
+    * @param _reputationChange - Amount of reputation change requested.
     * @param _rewards rewards array:
     *         rewards[0] - Amount of tokens requested per period
     *         rewards[1] - Amount of ETH requested per period
@@ -146,7 +146,7 @@ contract Competition {
         if (_rewards[2] > 0) {
             require(_externalToken != ERC20(0), "extenal token cannot be zero");
         }
-        require(_reputationChange > 0, "only positive rep change(minting) allowed for a competition");
+        require(_reputationChange >= 0, "negative reputation change is not allowed for a competition");
         uint256 totalRewardSplit;
         for (uint256 i = 0; i < numberOfWinners; i++) {
             totalRewardSplit = totalRewardSplit.add(_rewardSplit[i]);

contracts/schemes/ContributionRewardExt.sol

@@ -162,7 +162,7 @@ contract ContributionRewardExt is VotingMachineCallbacks, ProposalExecuteInterfa
             beneficiary = msg.sender;
         }
         if (beneficiary == address(this)) {
-            require(_reputationChange > 0, "only positive rep change(minting) allowed for this case");
+            require(_reputationChange >= 0, "negative rep change not allowed for this case");
         }
 
         ContributionProposal memory proposal = ContributionProposal({

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@daostack/arc",
-  "version": "0.0.1-rc.40",
+  "version": "0.0.1-rc.41",
   "description": "A platform for building DAOs",
   "files": [
     "contracts/",

package.json

@@ -519,6 +519,17 @@ contract('Competition', accounts => {
 
   });
 
+  it("negative reputation change is not allowed", async function() {
+    var testSetup = await setup(accounts);
+    try {
+          await proposeCompetition(testSetup,"description-hash",-1000);
+          assert(false, 'negative reputation change is not allowed');
+       } catch (ex) {
+            helpers.assertVMException(ex);
+      }
+    await proposeCompetition(testSetup,"description-hash",0);
+  });
+
   it("redeem multipe suggestions", async function() {
     var testSetup = await setup(accounts);
     await testSetup.standardTokenMock.transfer(testSetup.org.avatar.address,3000,{from:accounts[1]});

test/competition.js

@@ -667,4 +667,33 @@ contract('ContributionRewardExt', accounts => {
 
       });
 
+      it("negativ rep change is not allowed for rewarder to set ", async function() {
+        var testSetup = await setup(accounts,false,0,accounts[0]);
+        var reputationReward = -12;
+        var nativeTokenReward = 12;
+        var ethReward = 12;
+        var externalTokenReward = 12;
+        try {
+             await testSetup.contributionRewardExt.proposeContributionReward(
+                                                                         web3.utils.asciiToHex("description"),
+                                                                         reputationReward,
+                                                                         [nativeTokenReward,ethReward,externalTokenReward],
+                                                                         testSetup.standardTokenMock.address,
+                                                                         testSetup.contributionRewardExt.address,
+                                                                         helpers.NULL_ADDRESS
+                                                                       );
+             assert(false, 'negativ rep change is not allowed for rewarder to set');
+         } catch (ex) {
+            helpers.assertVMException(ex);
+        }
+         await testSetup.contributionRewardExt.proposeContributionReward(
+                                                                       web3.utils.asciiToHex("description"),
+                                                                       0,
+                                                                       [nativeTokenReward,ethReward,externalTokenReward],
+                                                                       testSetup.standardTokenMock.address,
+                                                                       testSetup.contributionRewardExt.address,
+                                                                       helpers.NULL_ADDRESS
+                                                                     );
+    });
+
 });