Show hot markets in fold feed

web/lib/firebase/bets.ts

@@ -37,6 +37,16 @@ export async function getRecentBets() {
   return getValues<Bet>(recentBetsQuery)
 }
 
+export async function getRecentContractBets(contractId: string) {
+  const q = query(
+    getBetsCollection(contractId),
+    where('createdTime', '>', Date.now() - DAY_IN_MS),
+    orderBy('createdTime', 'desc')
+  )
+
+  return getValues<Bet>(q)
+}
+
 export function listenForBets(
   contractId: string,
   setBets: (bets: Bet[]) => void

web/pages/fold/[...slugs]/index.tsx

@@ -5,7 +5,11 @@ import { Fold } from '../../../../common/fold'
 import { Comment } from '../../../../common/comment'
 import { Page } from '../../../components/page'
 import { Title } from '../../../components/title'
-import { Bet, listAllBets } from '../../../lib/firebase/bets'
+import {
+  Bet,
+  getRecentContractBets,
+  listAllBets,
+} from '../../../lib/firebase/bets'
 import { listAllComments } from '../../../lib/firebase/comments'
 import { Contract } from '../../../lib/firebase/contracts'
 import {
@@ -43,14 +47,22 @@ export async function getStaticProps(props: { params: { slugs: string[] } }) {
   const curatorPromise = fold ? getUser(fold.curatorId) : null
 
   const contracts = fold ? await getFoldContracts(fold).catch((_) => []) : []
-  const contractComments = await Promise.all(
+
+  const [contractComments, contractRecentBets] = await Promise.all([
+    Promise.all(
       contracts.map((contract) => listAllComments(contract.id).catch((_) => []))
+    ),
+    Promise.all(
+      contracts.map((contract) =>
+        getRecentContractBets(contract.id).catch((_) => [])
       )
+    ),
+  ])
 
   let activeContracts = findActiveContracts(
     contracts,
     _.flatten(contractComments),
-    [],
+    _.flatten(contractRecentBets),
     365
   )
   const [resolved, unresolved] = _.partition(