Merge pull request #196 from varasev/RewardByBlock-item

(Feature) Add `RewardByBlock` item to drop-down list on the page `Modify Proxy Contract Ballot` for xDai network

src/components/BallotProxyMetadata/index.js

@@ -22,8 +22,10 @@ export class BallotProxyMetadata extends React.Component {
       /*8*/ { value: '9', label: ballotStore.ProxyBallotType[9] } // RewardByBlock
     ]
 
-    if (getNetworkName(contractsStore.netId).toLowerCase() !== constants.SOKOL) {
-      options.splice(8) // keep 0-7 items and remove 8th if the network is not Sokol
+    const networkName = getNetworkName(contractsStore.netId).toLowerCase()
+
+    if (networkName !== constants.SOKOL && networkName !== constants.DAI) {
+      options.splice(8) // keep 0-7 items and remove 8th if the network is not Sokol or xDai
     }
 
     return (