clean up poll retrieval

app/dapp.js

@@ -9,21 +9,13 @@ import SNT from  'Embark/contracts/SNT';
 import { VotingContext } from './context';
 import Web3Render from './components/standard/Web3Render';
 import fetchIdeas from './utils/fetchIdeas';
+import { getPolls, omitUnvotedDupes } from './utils/polls';
 window['SNT'] = SNT;
 
 import './dapp.css';
 
 const MAINNET = 1;
 
-const getPolls = (number, pollMethod) => {
-  const polls = [];
-  for (let i = number-1; i >= 0; i--) {
-    const poll = pollMethod(i).call();
-    polls.push(poll);
-  }
-  return Promise.all(polls.reverse());
-}
-
 class App extends React.Component {
 
   constructor(props) {
@@ -52,7 +44,7 @@ class App extends React.Component {
   _getPolls = async () => {
     const { nPolls, poll } = PollManager.methods;
     const polls = await nPolls().call();
-    if (polls) getPolls(polls, poll).then(rawPolls => { this.setState({ rawPolls })});
+    if (polls) getPolls(polls, poll).then(omitUnvotedDupes).then(rawPolls => { this.setState({ rawPolls })});
     else this.setState({ rawPolls: [] });
   }
 

app/utils/polls.js

@@ -0,0 +1,13 @@
+
+export const getPolls = (number, pollMethod) => {
+  const polls = [];
+  for (let i = number-1; i >= 0; i--) {
+    const poll = pollMethod(i).call();
+    polls.push(poll);
+  }
+  return Promise.all(polls.reverse());
+}
+
+const unVotedDupes = new Set([3]);
+const filterDupes = (poll, idx) => !unVotedDupes.has(idx);
+export const omitUnvotedDupes = polls => polls.filter(filterDupes);