Merge branch 'main' into twitch-linking

common/calculate-metrics.ts

@@ -0,0 +1,131 @@
+import { sortBy, sum, sumBy } from 'lodash'
+import { calculatePayout } from './calculate'
+import { Bet } from './bet'
+import { Contract } from './contract'
+import { PortfolioMetrics, User } from './user'
+import { DAY_MS } from './util/time'
+
+const computeInvestmentValue = (
+  bets: Bet[],
+  contractsDict: { [k: string]: Contract }
+) => {
+  return sumBy(bets, (bet) => {
+    const contract = contractsDict[bet.contractId]
+    if (!contract || contract.isResolved) return 0
+    if (bet.sale || bet.isSold) return 0
+
+    const payout = calculatePayout(contract, bet, 'MKT')
+    const value = payout - (bet.loanAmount ?? 0)
+    if (isNaN(value)) return 0
+    return value
+  })
+}
+
+const computeTotalPool = (userContracts: Contract[], startTime = 0) => {
+  const periodFilteredContracts = userContracts.filter(
+    (contract) => contract.createdTime >= startTime
+  )
+  return sum(
+    periodFilteredContracts.map((contract) => sum(Object.values(contract.pool)))
+  )
+}
+
+export const computeVolume = (contractBets: Bet[], since: number) => {
+  return sumBy(contractBets, (b) =>
+    b.createdTime > since && !b.isRedemption ? Math.abs(b.amount) : 0
+  )
+}
+
+export const calculateCreatorVolume = (userContracts: Contract[]) => {
+  const allTimeCreatorVolume = computeTotalPool(userContracts, 0)
+  const monthlyCreatorVolume = computeTotalPool(
+    userContracts,
+    Date.now() - 30 * DAY_MS
+  )
+  const weeklyCreatorVolume = computeTotalPool(
+    userContracts,
+    Date.now() - 7 * DAY_MS
+  )
+
+  const dailyCreatorVolume = computeTotalPool(
+    userContracts,
+    Date.now() - 1 * DAY_MS
+  )
+
+  return {
+    daily: dailyCreatorVolume,
+    weekly: weeklyCreatorVolume,
+    monthly: monthlyCreatorVolume,
+    allTime: allTimeCreatorVolume,
+  }
+}
+
+export const calculateNewPortfolioMetrics = (
+  user: User,
+  contractsById: { [k: string]: Contract },
+  currentBets: Bet[]
+) => {
+  const investmentValue = computeInvestmentValue(currentBets, contractsById)
+  const newPortfolio = {
+    investmentValue: investmentValue,
+    balance: user.balance,
+    totalDeposits: user.totalDeposits,
+    timestamp: Date.now(),
+    userId: user.id,
+  }
+  return newPortfolio
+}
+
+const calculateProfitForPeriod = (
+  startTime: number,
+  descendingPortfolio: PortfolioMetrics[],
+  currentProfit: number
+) => {
+  const startingPortfolio = descendingPortfolio.find(
+    (p) => p.timestamp < startTime
+  )
+
+  if (startingPortfolio === undefined) {
+    return currentProfit
+  }
+
+  const startingProfit = calculateTotalProfit(startingPortfolio)
+
+  return currentProfit - startingProfit
+}
+
+const calculateTotalProfit = (portfolio: PortfolioMetrics) => {
+  return portfolio.investmentValue + portfolio.balance - portfolio.totalDeposits
+}
+
+export const calculateNewProfit = (
+  portfolioHistory: PortfolioMetrics[],
+  newPortfolio: PortfolioMetrics
+) => {
+  const allTimeProfit = calculateTotalProfit(newPortfolio)
+  const descendingPortfolio = sortBy(
+    portfolioHistory,
+    (p) => p.timestamp
+  ).reverse()
+
+  const newProfit = {
+    daily: calculateProfitForPeriod(
+      Date.now() - 1 * DAY_MS,
+      descendingPortfolio,
+      allTimeProfit
+    ),
+    weekly: calculateProfitForPeriod(
+      Date.now() - 7 * DAY_MS,
+      descendingPortfolio,
+      allTimeProfit
+    ),
+    monthly: calculateProfitForPeriod(
+      Date.now() - 30 * DAY_MS,
+      descendingPortfolio,
+      allTimeProfit
+    ),
+    allTime: allTimeProfit,
+  }
+
+  return newProfit
+}

common/contract-details.ts

@@ -27,10 +27,10 @@ export function contractMetrics(contract: Contract) {
 export function contractTextDetails(contract: Contract) {
   // eslint-disable-next-line @typescript-eslint/no-var-requires
   const dayjs = require('dayjs')
-  const { closeTime, tags } = contract
+  const { closeTime, groupLinks } = contract
   const { createdDate, resolvedDate, volumeLabel } = contractMetrics(contract)
 
-  const hashtags = tags.map((tag) => `#${tag}`)
+  const groupHashtags = groupLinks?.slice(0, 5).map((g) => `#${g.name}`)
 
   return (
     `${resolvedDate ? `${createdDate} - ${resolvedDate}` : createdDate}` +
@@ -40,7 +40,7 @@ export function contractTextDetails(contract: Contract) {
         ).format('MMM D, h:mma')}`
       : '') +
     ` • ${volumeLabel}` +
-    (hashtags.length > 0 ? ` • ${hashtags.join(' ')}` : '')
+    (groupHashtags ? ` • ${groupHashtags.join(' ')}` : '')
   )
 }
 
@@ -92,6 +92,7 @@ export const getOpenGraphProps = (contract: Contract) => {
     creatorAvatarUrl,
     description,
     numericValue,
+    resolution,
   }
 }
 
@@ -103,6 +104,7 @@ export type OgCardProps = {
   creatorUsername: string
   creatorAvatarUrl?: string
   numericValue?: string
+  resolution?: string
 }
 
 export function buildCardUrl(props: OgCardProps, challenge?: Challenge) {
@@ -113,22 +115,32 @@ export function buildCardUrl(props: OgCardProps, challenge?: Challenge) {
     creatorOutcome,
     acceptorOutcome,
   } = challenge || {}
+  const {
+    probability,
+    numericValue,
+    resolution,
+    creatorAvatarUrl,
+    question,
+    metadata,
+    creatorUsername,
+    creatorName,
+  } = props
   const { userName, userAvatarUrl } = acceptances?.[0] ?? {}
 
   const probabilityParam =
-    props.probability === undefined
+    probability === undefined
       ? ''
-      : `&probability=${encodeURIComponent(props.probability ?? '')}`
+      : `&probability=${encodeURIComponent(probability ?? '')}`
 
   const numericValueParam =
-    props.numericValue === undefined
+    numericValue === undefined
       ? ''
-      : `&numericValue=${encodeURIComponent(props.numericValue ?? '')}`
+      : `&numericValue=${encodeURIComponent(numericValue ?? '')}`
 
   const creatorAvatarUrlParam =
-    props.creatorAvatarUrl === undefined
+    creatorAvatarUrl === undefined
       ? ''
-      : `&creatorAvatarUrl=${encodeURIComponent(props.creatorAvatarUrl ?? '')}`
+      : `&creatorAvatarUrl=${encodeURIComponent(creatorAvatarUrl ?? '')}`
 
   const challengeUrlParams = challenge
     ? `&creatorAmount=${creatorAmount}&creatorOutcome=${creatorOutcome}` +
@@ -136,16 +148,21 @@ export function buildCardUrl(props: OgCardProps, challenge?: Challenge) {
       `&acceptedName=${userName ?? ''}&acceptedAvatarUrl=${userAvatarUrl ?? ''}`
     : ''
 
+  const resolutionUrlParam = resolution
+    ? `&resolution=${encodeURIComponent(resolution)}`
+    : ''
+
   // URL encode each of the props, then add them as query params
   return (
     `https://manifold-og-image.vercel.app/m.png` +
-    `?question=${encodeURIComponent(props.question)}` +
+    `?question=${encodeURIComponent(question)}` +
     probabilityParam +
     numericValueParam +
-    `&metadata=${encodeURIComponent(props.metadata)}` +
+    `&metadata=${encodeURIComponent(metadata)}` +
-    `&creatorName=${encodeURIComponent(props.creatorName)}` +
+    `&creatorName=${encodeURIComponent(creatorName)}` +
     creatorAvatarUrlParam +
-    `&creatorUsername=${encodeURIComponent(props.creatorUsername)}` +
+    `&creatorUsername=${encodeURIComponent(creatorUsername)}` +
-    challengeUrlParams
+    challengeUrlParams +
+    resolutionUrlParam
   )
 }

common/envs/constants.ts

@@ -34,6 +34,11 @@ export const FIREBASE_CONFIG = ENV_CONFIG.firebaseConfig
 export const PROJECT_ID = ENV_CONFIG.firebaseConfig.projectId
 export const IS_PRIVATE_MANIFOLD = ENV_CONFIG.visibility === 'PRIVATE'
 
+export const AUTH_COOKIE_NAME = `FBUSER_${PROJECT_ID.toUpperCase().replace(
+  /-/g,
+  '_'
+)}`
+
 // Manifold's domain or any subdomains thereof
 export const CORS_ORIGIN_MANIFOLD = new RegExp(
   '^https?://(?:[a-zA-Z0-9\\-]+\\.)*' + escapeRegExp(ENV_CONFIG.domain) + '$'

common/group.ts

@@ -6,14 +6,16 @@ export type Group = {
   creatorId: string // User id
   createdTime: number
   mostRecentActivityTime: number
-  memberIds: string[] // User ids
   anyoneCanJoin: boolean
-  contractIds: string[]
+  totalContracts: number
-
+  totalMembers: number
   aboutPostId?: string
   chatDisabled?: boolean
-  mostRecentChatActivityTime?: number
   mostRecentContractAddedTime?: number
+  /** @deprecated - members and contracts now stored as subcollections*/
+  memberIds?: string[] // Deprecated
+  /** @deprecated - members and contracts now stored as subcollections*/
+  contractIds?: string[] // Deprecated
 }
 export const MAX_GROUP_NAME_LENGTH = 75
 export const MAX_ABOUT_LENGTH = 140

common/like.ts

@@ -3,6 +3,6 @@ export type Like = {
   userId: string
   type: 'contract'
   createdTime: number
-  tipTxnId?: string
+  tipTxnId?: string // only holds most recent tip txn id
 }
 export const LIKE_TIP_AMOUNT = 5

common/loans.ts

@@ -118,7 +118,7 @@ const getFreeResponseContractLoanUpdate = (
   contract: FreeResponseContract | MultipleChoiceContract,
   bets: Bet[]
 ) => {
-  const openBets = bets.filter((bet) => bet.isSold || bet.sale)
+  const openBets = bets.filter((bet) => !bet.isSold && !bet.sale)
 
   return openBets.map((bet) => {
     const loanAmount = bet.loanAmount ?? 0

common/notification.ts

@@ -15,6 +15,7 @@ export type Notification = {
   sourceUserUsername?: string
   sourceUserAvatarUrl?: string
   sourceText?: string
+  data?: string
 
   sourceContractTitle?: string
   sourceContractCreatorUsername?: string

common/user.ts

@@ -34,6 +34,7 @@ export type User = {
   followerCountCached: number
 
   followedCategories?: string[]
+  homeSections?: { visible: string[]; hidden: string[] }
 
   referredByUserId?: string
   referredByContractId?: string

common/util/tiptap-iframe.ts

@@ -35,7 +35,7 @@ export default Node.create<IframeOptions>({
       HTMLAttributes: {
         class: 'iframe-wrapper' + ' ' + wrapperClasses,
         // Tailwind JIT doesn't seem to pick up `pb-[20rem]`, so we hack this in:
-        style: 'padding-bottom: 20rem;',
+        style: 'padding-bottom: 20rem; ',
       },
     }
   },
@@ -48,6 +48,9 @@ export default Node.create<IframeOptions>({
       frameborder: {
         default: 0,
       },
+      height: {
+        default: 0,
+      },
       allowfullscreen: {
         default: this.options.allowFullscreen,
         parseHTML: () => this.options.allowFullscreen,
@@ -60,6 +63,11 @@ export default Node.create<IframeOptions>({
   },
 
   renderHTML({ HTMLAttributes }) {
+    this.options.HTMLAttributes.style =
+      this.options.HTMLAttributes.style +
+      ' height: ' +
+      HTMLAttributes.height +
+      ';'
     return [
       'div',
       this.options.HTMLAttributes,

docs/docs/awesome-manifold.md

@@ -15,6 +15,7 @@ A list of community-created projects built on, or related to, Manifold Markets.
 ## API / Dev
 
 - [PyManifold](https://github.com/bcongdon/PyManifold) - Python client for the Manifold API
+  - [PyManifold fork](https://github.com/gappleto97/PyManifold/) - Fork maintained by [@LivInTheLookingGlass](https://manifold.markets/LivInTheLookingGlass)
 - [manifold-markets-python](https://github.com/vluzko/manifold-markets-python) - Python tools for working with Manifold Markets (including various accuracy metrics)
 - [ManifoldMarketManager](https://github.com/gappleto97/ManifoldMarketManager) - Python script and library to automatically manage markets
 - [manifeed](https://github.com/joy-void-joy/manifeed) - Tool that creates an RSS feed for new Manifold markets
@@ -24,3 +25,16 @@ A list of community-created projects built on, or related to, Manifold Markets.
 
 - [@manifold@botsin.space](https://botsin.space/@manifold) - Posts new Manifold markets to Mastodon
 - [James' Bot](https://github.com/manifoldmarkets/market-maker) — Simple trading bot that makes markets
+- [mana](https://github.com/AnnikaCodes/mana) - A Discord bot for Manifold by [@arae](https://manifold.markets/arae)
+
+## Writeups
+- [Information Markets, Decision Markets, Attention Markets, Action Markets](https://astralcodexten.substack.com/p/information-markets-decision-markets) by Scott Alexander
+- [Mismatched Monetary Motivation in Manifold Markets](https://kevin.zielnicki.com/2022/02/17/manifold/) by Kevin Zielnicki
+- [Introducing the Salem/CSPI Forecasting Tournament](https://www.cspicenter.com/p/introducing-the-salemcspi-forecasting) by Richard Hanania
+- [What I learned about running a betting market game night contest](https://shakeddown.wordpress.com/2022/08/04/what-i-learned-about-running-a-betting-market-game-night-contest/) by shakeddown
+- [Free-riding on prediction markets](https://pedunculate.substack.com/p/free-riding-on-prediction-markets) by John Roxton
+
+## Art
+
+- Folded origami and doodles by [@hamnox](https://manifold.markets/hamnox) ![](https://i.imgur.com/nVGY4pL.png) 
+- Laser-cut Foldy by [@wasabipesto](https://manifold.markets/wasabipesto) ![](https://i.imgur.com/g9S6v3P.jpg) 

firestore.indexes.json

@@ -26,9 +26,55 @@
       "collectionGroup": "bets",
       "queryScope": "COLLECTION_GROUP",
       "fields": [
+        {
+          "fieldPath": "isFilled",
+          "order": "ASCENDING"
+        },
         {
           "fieldPath": "userId",
           "order": "ASCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "bets",
+      "queryScope": "COLLECTION_GROUP",
+      "fields": [
+        {
+          "fieldPath": "userId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "createdTime",
+          "order": "DESCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "bets",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "isCancelled",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "isFilled",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "createdTime",
+          "order": "DESCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "challenges",
+      "queryScope": "COLLECTION_GROUP",
+      "fields": [
+        {
+          "fieldPath": "creatorId",
+          "order": "ASCENDING"
         },
         {
           "fieldPath": "createdTime",
@@ -54,6 +100,34 @@
         }
       ]
     },
+    {
+      "collectionGroup": "comments",
+      "queryScope": "COLLECTION_GROUP",
+      "fields": [
+        {
+          "fieldPath": "userId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "createdTime",
+          "order": "ASCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "comments",
+      "queryScope": "COLLECTION_GROUP",
+      "fields": [
+        {
+          "fieldPath": "userId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "createdTime",
+          "order": "DESCENDING"
+        }
+      ]
+    },
     {
       "collectionGroup": "contracts",
       "queryScope": "COLLECTION",
@@ -82,6 +156,42 @@
         }
       ]
     },
+    {
+      "collectionGroup": "contracts",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "creatorId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "isResolved",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "popularityScore",
+          "order": "DESCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "contracts",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "groupSlugs",
+          "arrayConfig": "CONTAINS"
+        },
+        {
+          "fieldPath": "isResolved",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "popularityScore",
+          "order": "DESCENDING"
+        }
+      ]
+    },
     {
       "collectionGroup": "contracts",
       "queryScope": "COLLECTION",
@@ -128,6 +238,46 @@
         }
       ]
     },
+    {
+      "collectionGroup": "contracts",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "isResolved",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "visibility",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "closeTime",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "popularityScore",
+          "order": "DESCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "contracts",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "isResolved",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "visibility",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "popularityScore",
+          "order": "DESCENDING"
+        }
+      ]
+    },
     {
       "collectionGroup": "contracts",
       "queryScope": "COLLECTION",

firestore.rules

@@ -160,34 +160,49 @@ service cloud.firestore {
                                                                     .hasOnly(['isSeen', 'viewTime']);
     }
 
+    match /{somePath=**}/groupMembers/{memberId} {
+      allow read;
+    }
+
+    match /{somePath=**}/groupContracts/{contractId} {
+      allow read;
+    }
+
 	   match /groups/{groupId} {
           allow read;
-          allow update: if request.auth.uid == resource.data.creatorId
+          allow update: if (request.auth.uid == resource.data.creatorId || isAdmin())
                            && request.resource.data.diff(resource.data)
                            .affectedKeys()
-                           .hasOnly(['name', 'about', 'contractIds', 'memberIds', 'anyoneCanJoin', 'aboutPostId' ]);
+                           .hasOnly(['name', 'about', 'anyoneCanJoin', 'aboutPostId' ]);
-         allow update: if (request.auth.uid in resource.data.memberIds  || resource.data.anyoneCanJoin)
-                           && request.resource.data.diff(resource.data)
-                           .affectedKeys()
-                           .hasOnly([ 'contractIds', 'memberIds' ]);
           allow delete: if request.auth.uid == resource.data.creatorId;
 
-          function isMember() {
+          match /groupContracts/{contractId} {
-            return request.auth.uid in get(/databases/$(database)/documents/groups/$(groupId)).data.memberIds;
+              allow write: if isGroupMember() || request.auth.uid == get(/databases/$(database)/documents/groups/$(groupId)).data.creatorId
             }
+
+          match /groupMembers/{memberId}{
+             allow create: if request.auth.uid == get(/databases/$(database)/documents/groups/$(groupId)).data.creatorId || (request.auth.uid == request.resource.data.userId && get(/databases/$(database)/documents/groups/$(groupId)).data.anyoneCanJoin);
+             allow delete: if request.auth.uid == resource.data.userId;
+            }
+
+          function isGroupMember() {
+            return exists(/databases/$(database)/documents/groups/$(groupId)/groupMembers/$(request.auth.uid));
+          }
+
           match /comments/{commentId} {
           	allow read;
-            allow create: if request.auth != null && commentMatchesUser(request.auth.uid, request.resource.data) && isMember();
+            allow create: if request.auth != null && commentMatchesUser(request.auth.uid, request.resource.data) && isGroupMember();
           }
+
         }
 
       match /posts/{postId} {
         allow read;
-        allow update: if request.auth.uid == resource.data.creatorId
+        allow update: if isAdmin() || request.auth.uid == resource.data.creatorId
                          && request.resource.data.diff(resource.data)
                          .affectedKeys()
                          .hasOnly(['name', 'content']);
-        allow delete: if request.auth.uid == resource.data.creatorId;
+        allow delete: if isAdmin() || request.auth.uid == resource.data.creatorId;
       }
   }
 }

functions/src/create-group.ts

@@ -58,13 +58,23 @@ export const creategroup = newEndpoint({}, async (req, auth) => {
     createdTime: Date.now(),
     mostRecentActivityTime: Date.now(),
     // TODO: allow users to add contract ids on group creation
-    contractIds: [],
     anyoneCanJoin,
-    memberIds,
+    totalContracts: 0,
+    totalMembers: memberIds.length,
   }
 
   await groupRef.create(group)
 
+  // create a GroupMemberDoc for each member
+  await Promise.all(
+    memberIds.map((memberId) =>
+      groupRef.collection('groupMembers').doc(memberId).create({
+        userId: memberId,
+        createdTime: Date.now(),
+      })
+    )
+  )
+
   return { status: 'success', group: group }
 })
 

functions/src/create-market.ts

@@ -155,8 +155,14 @@ export const createmarket = newEndpoint({}, async (req, auth) => {
     }
 
     group = groupDoc.data() as Group
+    const groupMembersSnap = await firestore
+      .collection(`groups/${groupId}/groupMembers`)
+      .get()
+    const groupMemberDocs = groupMembersSnap.docs.map(
+      (doc) => doc.data() as { userId: string; createdTime: number }
+    )
     if (
-      !group.memberIds.includes(user.id) &&
+      !groupMemberDocs.map((m) => m.userId).includes(user.id) &&
       !group.anyoneCanJoin &&
       group.creatorId !== user.id
     ) {
@@ -227,11 +233,20 @@ export const createmarket = newEndpoint({}, async (req, auth) => {
   await contractRef.create(contract)
 
   if (group != null) {
-    if (!group.contractIds.includes(contractRef.id)) {
+    const groupContractsSnap = await firestore
+      .collection(`groups/${groupId}/groupContracts`)
+      .get()
+    const groupContracts = groupContractsSnap.docs.map(
+      (doc) => doc.data() as { contractId: string; createdTime: number }
+    )
+    if (!groupContracts.map((c) => c.contractId).includes(contractRef.id)) {
       await createGroupLinks(group, [contractRef.id], auth.uid)
-      const groupDocRef = firestore.collection('groups').doc(group.id)
+      const groupContractRef = firestore
-      groupDocRef.update({
+        .collection(`groups/${groupId}/groupContracts`)
-        contractIds: uniq([...group.contractIds, contractRef.id]),
+        .doc(contract.id)
+      await groupContractRef.set({
+        contractId: contract.id,
+        createdTime: Date.now(),
       })
     }
   }

functions/src/create-notification.ts

@@ -151,15 +151,6 @@ export const createNotification = async (
       }
   }
 
-  const notifyContractCreatorOfUniqueBettorsBonus = async (
-    userToReasonTexts: user_to_reason_texts,
-    userId: string
-  ) => {
-    userToReasonTexts[userId] = {
-      reason: 'unique_bettors_on_your_contract',
-    }
-  }
-
   const userToReasonTexts: user_to_reason_texts = {}
   // The following functions modify the userToReasonTexts object in place.
 
@@ -192,16 +183,6 @@ export const createNotification = async (
     sourceContract
   ) {
     await notifyContractCreator(userToReasonTexts, sourceContract)
-  } else if (
-    sourceType === 'bonus' &&
-    sourceUpdateType === 'created' &&
-    sourceContract
-  ) {
-    // Note: the daily bonus won't have a contract attached to it
-    await notifyContractCreatorOfUniqueBettorsBonus(
-      userToReasonTexts,
-      sourceContract.creatorId
-    )
   }
 
   await createUsersNotifications(userToReasonTexts)
@@ -723,3 +704,52 @@ export const createLikeNotification = async (
   }
   return await notificationRef.set(removeUndefinedProps(notification))
 }
+
+export async function filterUserIdsForOnlyFollowerIds(
+  userIds: string[],
+  contractId: string
+) {
+  // get contract follower documents and check here if they're a follower
+  const contractFollowersSnap = await firestore
+    .collection(`contracts/${contractId}/follows`)
+    .get()
+  const contractFollowersIds = contractFollowersSnap.docs.map(
+    (doc) => doc.data().id
+  )
+  return userIds.filter((id) => contractFollowersIds.includes(id))
+}
+
+export const createUniqueBettorBonusNotification = async (
+  contractCreatorId: string,
+  bettor: User,
+  txnId: string,
+  contract: Contract,
+  amount: number,
+  idempotencyKey: string
+) => {
+  const notificationRef = firestore
+    .collection(`/users/${contractCreatorId}/notifications`)
+    .doc(idempotencyKey)
+  const notification: Notification = {
+    id: idempotencyKey,
+    userId: contractCreatorId,
+    reason: 'unique_bettors_on_your_contract',
+    createdTime: Date.now(),
+    isSeen: false,
+    sourceId: txnId,
+    sourceType: 'bonus',
+    sourceUpdateType: 'created',
+    sourceUserName: bettor.name,
+    sourceUserUsername: bettor.username,
+    sourceUserAvatarUrl: bettor.avatarUrl,
+    sourceText: amount.toString(),
+    sourceSlug: contract.slug,
+    sourceTitle: contract.question,
+    // Perhaps not necessary, but just in case
+    sourceContractSlug: contract.slug,
+    sourceContractId: contract.id,
+    sourceContractTitle: contract.question,
+    sourceContractCreatorUsername: contract.creatorUsername,
+  }
+  return await notificationRef.set(removeUndefinedProps(notification))
+}

functions/src/create-user.ts

@@ -1,6 +1,5 @@
 import * as admin from 'firebase-admin'
 import { z } from 'zod'
-import { uniq } from 'lodash'
 
 import { PrivateUser, User } from '../../common/user'
 import { getUser, getUserByUsername, getValues } from './utils'
@@ -17,7 +16,7 @@ import {
 
 import { track } from './analytics'
 import { APIError, newEndpoint, validate } from './api'
-import { Group, NEW_USER_GROUP_SLUGS } from '../../common/group'
+import { Group } from '../../common/group'
 import { SUS_STARTING_BALANCE, STARTING_BALANCE } from '../../common/economy'
 
 const bodySchema = z.object({
@@ -117,23 +116,8 @@ const addUserToDefaultGroups = async (user: User) => {
       firestore.collection('groups').where('slug', '==', slug)
     )
     await firestore
-      .collection('groups')
+      .collection(`groups/${groups[0].id}/groupMembers`)
-      .doc(groups[0].id)
+      .doc(user.id)
-      .update({
+      .set({ userId: user.id, createdTime: Date.now() })
-        memberIds: uniq(groups[0].memberIds.concat(user.id)),
-      })
-  }
-
-  for (const slug of NEW_USER_GROUP_SLUGS) {
-    const groups = await getValues<Group>(
-      firestore.collection('groups').where('slug', '==', slug)
-    )
-    const group = groups[0]
-    await firestore
-      .collection('groups')
-      .doc(group.id)
-      .update({
-        memberIds: uniq(group.memberIds.concat(user.id)),
-      })
   }
 }

functions/src/email-templates/market-close.html

@@ -351,8 +351,7 @@
                                   font-size: 16px;
                                   margin: 0;
                                 " />
-                            Resolve your market to earn {{creatorFee}} as the
+                            Please resolve your market.
-                            creator commission.
                             <br style="
                                   font-family: 'Helvetica Neue', Helvetica,
                                     Arial, sans-serif;

functions/src/emails.ts

@@ -4,7 +4,6 @@ import { Bet } from '../../common/bet'
 import { getProbability } from '../../common/calculate'
 import { Comment } from '../../common/comment'
 import { Contract } from '../../common/contract'
-import { DPM_CREATOR_FEE } from '../../common/fees'
 import { PrivateUser, User } from '../../common/user'
 import {
   formatLargeNumber,
@@ -187,7 +186,7 @@ export const sendPersonalFollowupEmail = async (
 
   const emailBody = `Hi ${firstName},
 
-Thanks for signing up! I'm one of the cofounders of Manifold Markets, and was wondering how you've found your exprience on the platform so far?
+Thanks for signing up! I'm one of the cofounders of Manifold Markets, and was wondering how you've found your experience on the platform so far?
 
 If you haven't already, I encourage you to try creating your own prediction market (https://manifold.markets/create) and joining our Discord chat (https://discord.com/invite/eHQBNBqXuh).
 
@@ -322,7 +321,7 @@ export const sendMarketCloseEmail = async (
   const { username, name, id: userId } = user
   const firstName = name.split(' ')[0]
 
-  const { question, slug, volume, mechanism, collectedFees } = contract
+  const { question, slug, volume } = contract
 
   const url = `https://${DOMAIN}/${username}/${slug}`
   const emailType = 'market-resolve'
@@ -339,10 +338,6 @@ export const sendMarketCloseEmail = async (
       userId,
       name: firstName,
       volume: formatMoney(volume),
-      creatorFee:
-        mechanism === 'dpm-2'
-          ? `${DPM_CREATOR_FEE * 100}% of the profits`
-          : formatMoney(collectedFees.creatorFee),
     }
   )
 }

functions/src/get-custom-token.ts

@@ -1,33 +0,0 @@
-import * as admin from 'firebase-admin'
-import {
-  APIError,
-  EndpointDefinition,
-  lookupUser,
-  parseCredentials,
-  writeResponseError,
-} from './api'
-
-const opts = {
-  method: 'GET',
-  minInstances: 1,
-  concurrency: 100,
-  memory: '2GiB',
-  cpu: 1,
-} as const
-
-export const getcustomtoken: EndpointDefinition = {
-  opts,
-  handler: async (req, res) => {
-    try {
-      const credentials = await parseCredentials(req)
-      if (credentials.kind != 'jwt') {
-        throw new APIError(403, 'API keys cannot mint custom tokens.')
-      }
-      const user = await lookupUser(credentials)
-      const token = await admin.auth().createCustomToken(user.uid)
-      res.status(200).json({ token: token })
-    } catch (e) {
-      writeResponseError(e, res)
-    }
-  },
-}

functions/src/index.ts

@@ -21,9 +21,7 @@ export * from './on-follow-user'
 export * from './on-unfollow-user'
 export * from './on-create-liquidity-provision'
 export * from './on-update-group'
-export * from './on-create-group'
 export * from './on-update-user'
-export * from './on-create-comment-on-group'
 export * from './on-create-txn'
 export * from './on-delete-group'
 export * from './score-contracts'
@@ -31,8 +29,7 @@ export * from './weekly-markets-emails'
 export * from './reset-betting-streaks'
 export * from './reset-weekly-emails-flag'
 export * from './on-update-contract-follow'
-export * from './on-create-like'
+export * from './on-update-like'
-export * from './on-delete-like'
 
 // v2
 export * from './health'
@@ -73,7 +70,6 @@ import { unsubscribe } from './unsubscribe'
 import { stripewebhook, createcheckoutsession } from './stripe'
 import { getcurrentuser } from './get-current-user'
 import { acceptchallenge } from './accept-challenge'
-import { getcustomtoken } from './get-custom-token'
 import { createpost } from './create-post'
 import { savetwitchcredentials } from './save-twitch-credentials'
 
@@ -100,7 +96,6 @@ const stripeWebhookFunction = toCloudFunction(stripewebhook)
 const createCheckoutSessionFunction = toCloudFunction(createcheckoutsession)
 const getCurrentUserFunction = toCloudFunction(getcurrentuser)
 const acceptChallenge = toCloudFunction(acceptchallenge)
-const getCustomTokenFunction = toCloudFunction(getcustomtoken)
 const createPostFunction = toCloudFunction(createpost)
 const saveTwitchCredentials = toCloudFunction(savetwitchcredentials)
 
@@ -125,7 +120,6 @@ export {
   createCheckoutSessionFunction as createcheckoutsession,
   getCurrentUserFunction as getcurrentuser,
   acceptChallenge as acceptchallenge,
-  getCustomTokenFunction as getcustomtoken,
   createPostFunction as createpost,
   saveTwitchCredentials as savetwitchcredentials
 }

functions/src/on-create-bet.ts

@@ -7,7 +7,7 @@ import { getUser, getValues, isProd, log } from './utils'
 import {
   createBetFillNotification,
   createBettingStreakBonusNotification,
-  createNotification,
+  createUniqueBettorBonusNotification,
 } from './create-notification'
 import { filterDefined } from '../../common/util/array'
 import { Contract } from '../../common/contract'
@@ -54,11 +54,11 @@ export const onCreateBet = functions.firestore
       log(`Could not find contract ${contractId}`)
       return
     }
-    await updateUniqueBettorsAndGiveCreatorBonus(contract, eventId, bet.userId)
 
     const bettor = await getUser(bet.userId)
     if (!bettor) return
 
+    await updateUniqueBettorsAndGiveCreatorBonus(contract, eventId, bettor)
     await notifyFills(bet, contract, eventId, bettor)
     await updateBettingStreak(bettor, bet, contract, eventId)
 
@@ -126,7 +126,7 @@ const updateBettingStreak = async (
 const updateUniqueBettorsAndGiveCreatorBonus = async (
   contract: Contract,
   eventId: string,
-  bettorId: string
+  bettor: User
 ) => {
   let previousUniqueBettorIds = contract.uniqueBettorIds
 
@@ -147,13 +147,13 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
     )
   }
 
-  const isNewUniqueBettor = !previousUniqueBettorIds.includes(bettorId)
+  const isNewUniqueBettor = !previousUniqueBettorIds.includes(bettor.id)
 
-  const newUniqueBettorIds = uniq([...previousUniqueBettorIds, bettorId])
+  const newUniqueBettorIds = uniq([...previousUniqueBettorIds, bettor.id])
   // Update contract unique bettors
   if (!contract.uniqueBettorIds || isNewUniqueBettor) {
     log(`Got ${previousUniqueBettorIds} unique bettors`)
-    isNewUniqueBettor && log(`And a new unique bettor ${bettorId}`)
+    isNewUniqueBettor && log(`And a new unique bettor ${bettor.id}`)
     await firestore.collection(`contracts`).doc(contract.id).update({
       uniqueBettorIds: newUniqueBettorIds,
       uniqueBettorCount: newUniqueBettorIds.length,
@@ -161,7 +161,7 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
   }
 
   // No need to give a bonus for the creator's bet
-  if (!isNewUniqueBettor || bettorId == contract.creatorId) return
+  if (!isNewUniqueBettor || bettor.id == contract.creatorId) return
 
   // Create combined txn for all new unique bettors
   const bonusTxnDetails = {
@@ -192,18 +192,13 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
     log(`No bonus for user: ${contract.creatorId} - reason:`, result.status)
   } else {
     log(`Bonus txn for user: ${contract.creatorId} completed:`, result.txn?.id)
-    await createNotification(
+    await createUniqueBettorBonusNotification(
+      contract.creatorId,
+      bettor,
       result.txn.id,
-      'bonus',
-      'created',
-      fromUser,
-      eventId + '-bonus',
-      result.txn.amount + '',
-      {
       contract,
-        slug: contract.slug,
+      result.txn.amount,
-        title: contract.question,
+      eventId + '-unique-bettor-bonus'
-      }
     )
   }
 }

functions/src/on-create-comment-on-contract.ts

@@ -6,7 +6,10 @@ import { ContractComment } from '../../common/comment'
 import { sendNewCommentEmail } from './emails'
 import { Bet } from '../../common/bet'
 import { Answer } from '../../common/answer'
-import { createCommentOrAnswerOrUpdatedContractNotification } from './create-notification'
+import {
+  createCommentOrAnswerOrUpdatedContractNotification,
+  filterUserIdsForOnlyFollowerIds,
+} from './create-notification'
 import { parseMentions, richTextToString } from '../../common/util/parse'
 import { addUserToContractFollowers } from './follow-market'
 
@@ -95,10 +98,13 @@ export const onCreateCommentOnContract = functions
       }
     )
 
-    const recipientUserIds = uniq([
+    const recipientUserIds = await filterUserIdsForOnlyFollowerIds(
+      uniq([
         contract.creatorId,
         ...comments.map((comment) => comment.userId),
-    ]).filter((id) => id !== comment.userId)
+      ]).filter((id) => id !== comment.userId),
+      contractId
+    )
 
     await Promise.all(
       recipientUserIds.map((userId) =>

functions/src/on-create-comment-on-group.ts

@@ -1,46 +0,0 @@
-import * as functions from 'firebase-functions'
-import { GroupComment } from '../../common/comment'
-import * as admin from 'firebase-admin'
-import { Group } from '../../common/group'
-import { User } from '../../common/user'
-import { createGroupCommentNotification } from './create-notification'
-const firestore = admin.firestore()
-
-export const onCreateCommentOnGroup = functions.firestore
-  .document('groups/{groupId}/comments/{commentId}')
-  .onCreate(async (change, context) => {
-    const { eventId } = context
-    const { groupId } = context.params as {
-      groupId: string
-    }
-
-    const comment = change.data() as GroupComment
-    const creatorSnapshot = await firestore
-      .collection('users')
-      .doc(comment.userId)
-      .get()
-    if (!creatorSnapshot.exists) throw new Error('Could not find user')
-
-    const groupSnapshot = await firestore
-      .collection('groups')
-      .doc(groupId)
-      .get()
-    if (!groupSnapshot.exists) throw new Error('Could not find group')
-
-    const group = groupSnapshot.data() as Group
-    await firestore.collection('groups').doc(groupId).update({
-      mostRecentChatActivityTime: comment.createdTime,
-    })
-
-    await Promise.all(
-      group.memberIds.map(async (memberId) => {
-        return await createGroupCommentNotification(
-          creatorSnapshot.data() as User,
-          memberId,
-          comment,
-          group,
-          eventId
-        )
-      })
-    )
-  })

functions/src/on-create-group.ts

@@ -1,28 +0,0 @@
-import * as functions from 'firebase-functions'
-import { getUser } from './utils'
-import { createNotification } from './create-notification'
-import { Group } from '../../common/group'
-
-export const onCreateGroup = functions.firestore
-  .document('groups/{groupId}')
-  .onCreate(async (change, context) => {
-    const group = change.data() as Group
-    const { eventId } = context
-
-    const groupCreator = await getUser(group.creatorId)
-    if (!groupCreator) throw new Error('Could not find group creator')
-    // create notifications for all members of the group
-    await createNotification(
-      group.id,
-      'group',
-      'created',
-      groupCreator,
-      eventId,
-      group.about,
-      {
-        recipients: group.memberIds,
-        slug: group.slug,
-        title: group.name,
-      }
-    )
-  })

functions/src/on-delete-like.ts

@@ -1,32 +0,0 @@
-import * as functions from 'firebase-functions'
-import * as admin from 'firebase-admin'
-import { Like } from '../../common/like'
-import { getContract, log } from './utils'
-import { uniq } from 'lodash'
-
-const firestore = admin.firestore()
-
-export const onDeleteLike = functions.firestore
-  .document('users/{userId}/likes/{likeId}')
-  .onDelete(async (change) => {
-    const like = change.data() as Like
-    if (like.type === 'contract') {
-      await removeContractLike(like)
-    }
-  })
-
-const removeContractLike = async (like: Like) => {
-  const contract = await getContract(like.id)
-  if (!contract) {
-    log('Could not find contract')
-    return
-  }
-  const likedByUserIds = uniq(contract.likedByUserIds ?? [])
-  const newLikedByUserIds = likedByUserIds.filter(
-    (userId) => userId !== like.userId
-  )
-  await firestore.collection('contracts').doc(like.id).update({
-    likedByUserIds: newLikedByUserIds,
-    likedByUserCount: newLikedByUserIds.length,
-  })
-}

functions/src/on-update-group.ts

@@ -15,21 +15,68 @@ export const onUpdateGroup = functions.firestore
     if (prevGroup.mostRecentActivityTime !== group.mostRecentActivityTime)
       return
 
-    if (prevGroup.contractIds.length < group.contractIds.length) {
-      await firestore
-        .collection('groups')
-        .doc(group.id)
-        .update({ mostRecentContractAddedTime: Date.now() })
-      //TODO: create notification with isSeeOnHref set to the group's /group/slug/questions url
-      // but first, let the new /group/slug/chat notification permeate so that we can differentiate between the two
-    }
-
     await firestore
       .collection('groups')
       .doc(group.id)
       .update({ mostRecentActivityTime: Date.now() })
   })
 
+export const onCreateGroupContract = functions.firestore
+  .document('groups/{groupId}/groupContracts/{contractId}')
+  .onCreate(async (change) => {
+    const groupId = change.ref.parent.parent?.id
+    if (groupId)
+      await firestore
+        .collection('groups')
+        .doc(groupId)
+        .update({
+          mostRecentContractAddedTime: Date.now(),
+          totalContracts: admin.firestore.FieldValue.increment(1),
+        })
+  })
+
+export const onDeleteGroupContract = functions.firestore
+  .document('groups/{groupId}/groupContracts/{contractId}')
+  .onDelete(async (change) => {
+    const groupId = change.ref.parent.parent?.id
+    if (groupId)
+      await firestore
+        .collection('groups')
+        .doc(groupId)
+        .update({
+          mostRecentContractAddedTime: Date.now(),
+          totalContracts: admin.firestore.FieldValue.increment(-1),
+        })
+  })
+
+export const onCreateGroupMember = functions.firestore
+  .document('groups/{groupId}/groupMembers/{memberId}')
+  .onCreate(async (change) => {
+    const groupId = change.ref.parent.parent?.id
+    if (groupId)
+      await firestore
+        .collection('groups')
+        .doc(groupId)
+        .update({
+          mostRecentActivityTime: Date.now(),
+          totalMembers: admin.firestore.FieldValue.increment(1),
+        })
+  })
+
+export const onDeleteGroupMember = functions.firestore
+  .document('groups/{groupId}/groupMembers/{memberId}')
+  .onDelete(async (change) => {
+    const groupId = change.ref.parent.parent?.id
+    if (groupId)
+      await firestore
+        .collection('groups')
+        .doc(groupId)
+        .update({
+          mostRecentActivityTime: Date.now(),
+          totalMembers: admin.firestore.FieldValue.increment(-1),
+        })
+  })
+
 export async function removeGroupLinks(group: Group, contractIds: string[]) {
   for (const contractId of contractIds) {
     const contract = await getContract(contractId)

functions/src/on-update-like.ts

@@ -19,14 +19,36 @@ export const onCreateLike = functions.firestore
     }
   })
 
+export const onUpdateLike = functions.firestore
+  .document('users/{userId}/likes/{likeId}')
+  .onUpdate(async (change, context) => {
+    const like = change.after.data() as Like
+    const prevLike = change.before.data() as Like
+    const { eventId } = context
+    if (like.type === 'contract' && like.tipTxnId !== prevLike.tipTxnId) {
+      await handleCreateLikeNotification(like, eventId)
+      await updateContractLikes(like)
+    }
+  })
+
+export const onDeleteLike = functions.firestore
+  .document('users/{userId}/likes/{likeId}')
+  .onDelete(async (change) => {
+    const like = change.data() as Like
+    if (like.type === 'contract') {
+      await removeContractLike(like)
+    }
+  })
+
 const updateContractLikes = async (like: Like) => {
   const contract = await getContract(like.id)
   if (!contract) {
     log('Could not find contract')
     return
   }
-  const likedByUserIds = uniq(contract.likedByUserIds ?? [])
+  const likedByUserIds = uniq(
-  likedByUserIds.push(like.userId)
+    (contract.likedByUserIds ?? []).concat(like.userId)
+  )
   await firestore
     .collection('contracts')
     .doc(like.id)
@@ -69,3 +91,19 @@ const handleCreateLikeNotification = async (like: Like, eventId: string) => {
     tipTxnData
   )
 }
+
+const removeContractLike = async (like: Like) => {
+  const contract = await getContract(like.id)
+  if (!contract) {
+    log('Could not find contract')
+    return
+  }
+  const likedByUserIds = uniq(contract.likedByUserIds ?? [])
+  const newLikedByUserIds = likedByUserIds.filter(
+    (userId) => userId !== like.userId
+  )
+  await firestore.collection('contracts').doc(like.id).update({
+    likedByUserIds: newLikedByUserIds,
+    likedByUserCount: newLikedByUserIds.length,
+  })
+}

functions/src/reset-betting-streaks.ts

@@ -15,7 +15,10 @@ export const resetBettingStreaksForUsers = functions.pubsub
   })
 
 const resetBettingStreaksInternal = async () => {
-  const usersSnap = await firestore.collection('users').get()
+  const usersSnap = await firestore
+    .collection('users')
+    .where('currentBettingStreak', '>', 0)
+    .get()
 
   const users = usersSnap.docs.map((doc) => doc.data() as User)
 

functions/src/scripts/convert-categories.ts

@@ -1,108 +0,0 @@
-import * as admin from 'firebase-admin'
-
-import { initAdmin } from './script-init'
-import { getValues, isProd } from '../utils'
-import { CATEGORIES_GROUP_SLUG_POSTFIX } from 'common/categories'
-import { Group, GroupLink } from 'common/group'
-import { uniq } from 'lodash'
-import { Contract } from 'common/contract'
-import { User } from 'common/user'
-import { filterDefined } from 'common/util/array'
-import {
-  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-  HOUSE_LIQUIDITY_PROVIDER_ID,
-} from 'common/antes'
-
-initAdmin()
-
-const adminFirestore = admin.firestore()
-
-const convertCategoriesToGroupsInternal = async (categories: string[]) => {
-  for (const category of categories) {
-    const markets = await getValues<Contract>(
-      adminFirestore
-        .collection('contracts')
-        .where('lowercaseTags', 'array-contains', category.toLowerCase())
-    )
-    const slug = category.toLowerCase() + CATEGORIES_GROUP_SLUG_POSTFIX
-    const oldGroup = await getValues<Group>(
-      adminFirestore.collection('groups').where('slug', '==', slug)
-    )
-    if (oldGroup.length > 0) {
-      console.log(`Found old group for ${category}`)
-      await adminFirestore.collection('groups').doc(oldGroup[0].id).delete()
-    }
-
-    const allUsers = await getValues<User>(adminFirestore.collection('users'))
-    const groupUsers = filterDefined(
-      allUsers.map((user: User) => {
-        if (!user.followedCategories || user.followedCategories.length === 0)
-          return user.id
-        if (!user.followedCategories.includes(category.toLowerCase()))
-          return null
-        return user.id
-      })
-    )
-
-    const manifoldAccount = isProd()
-      ? HOUSE_LIQUIDITY_PROVIDER_ID
-      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
-    const newGroupRef = await adminFirestore.collection('groups').doc()
-    const newGroup: Group = {
-      id: newGroupRef.id,
-      name: category,
-      slug,
-      creatorId: manifoldAccount,
-      createdTime: Date.now(),
-      anyoneCanJoin: true,
-      memberIds: [manifoldAccount],
-      about: 'Default group for all things related to ' + category,
-      mostRecentActivityTime: Date.now(),
-      contractIds: markets.map((market) => market.id),
-      chatDisabled: true,
-    }
-
-    await adminFirestore.collection('groups').doc(newGroupRef.id).set(newGroup)
-    // Update group with new memberIds to avoid notifying everyone
-    await adminFirestore
-      .collection('groups')
-      .doc(newGroupRef.id)
-      .update({
-        memberIds: uniq(groupUsers),
-      })
-
-    for (const market of markets) {
-      if (market.groupLinks?.map((l) => l.groupId).includes(newGroup.id))
-        continue // already in that group
-
-      const newGroupLinks = [
-        ...(market.groupLinks ?? []),
-        {
-          groupId: newGroup.id,
-          createdTime: Date.now(),
-          slug: newGroup.slug,
-          name: newGroup.name,
-        } as GroupLink,
-      ]
-      await adminFirestore
-        .collection('contracts')
-        .doc(market.id)
-        .update({
-          groupSlugs: uniq([...(market.groupSlugs ?? []), newGroup.slug]),
-          groupLinks: newGroupLinks,
-        })
-    }
-  }
-}
-
-async function convertCategoriesToGroups() {
-  // const defaultCategories = Object.values(DEFAULT_CATEGORIES)
-  const moreCategories = ['world', 'culture']
-  await convertCategoriesToGroupsInternal(moreCategories)
-}
-
-if (require.main === module) {
-  convertCategoriesToGroups()
-    .then(() => process.exit())
-    .catch(console.log)
-}

functions/src/scripts/convert-tag-to-group.ts

@@ -4,21 +4,23 @@ import * as admin from 'firebase-admin'
 import { initAdmin } from './script-init'
 import { isProd, log } from '../utils'
 import { getSlug } from '../create-group'
-import { Group } from '../../../common/group'
+import { Group, GroupLink } from '../../../common/group'
+import { uniq } from 'lodash'
+import { Contract } from 'common/contract'
 
-const getTaggedContractIds = async (tag: string) => {
+const getTaggedContracts = async (tag: string) => {
   const firestore = admin.firestore()
   const results = await firestore
     .collection('contracts')
     .where('lowercaseTags', 'array-contains', tag.toLowerCase())
     .get()
-  return results.docs.map((d) => d.id)
+  return results.docs.map((d) => d.data() as Contract)
 }
 
 const createGroup = async (
   name: string,
   about: string,
-  contractIds: string[]
+  contracts: Contract[]
 ) => {
   const firestore = admin.firestore()
   const creatorId = isProd()
@@ -36,21 +38,60 @@ const createGroup = async (
     about,
     createdTime: now,
     mostRecentActivityTime: now,
-    contractIds: contractIds,
     anyoneCanJoin: true,
-    memberIds: [],
+    totalContracts: contracts.length,
+    totalMembers: 1,
   }
-  return await groupRef.create(group)
+  await groupRef.create(group)
+  // create a GroupMemberDoc for the creator
+  const memberDoc = groupRef.collection('groupMembers').doc(creatorId)
+  await memberDoc.create({
+    userId: creatorId,
+    createdTime: now,
+  })
+
+  // create GroupContractDocs for each contractId
+  await Promise.all(
+    contracts
+      .map((c) => c.id)
+      .map((contractId) =>
+        groupRef.collection('groupContracts').doc(contractId).create({
+          contractId,
+          createdTime: now,
+        })
+      )
+  )
+  for (const market of contracts) {
+    if (market.groupLinks?.map((l) => l.groupId).includes(group.id)) continue // already in that group
+
+    const newGroupLinks = [
+      ...(market.groupLinks ?? []),
+      {
+        groupId: group.id,
+        createdTime: Date.now(),
+        slug: group.slug,
+        name: group.name,
+      } as GroupLink,
+    ]
+    await firestore
+      .collection('contracts')
+      .doc(market.id)
+      .update({
+        groupSlugs: uniq([...(market.groupSlugs ?? []), group.slug]),
+        groupLinks: newGroupLinks,
+      })
+  }
+  return { status: 'success', group: group }
 }
 
 const convertTagToGroup = async (tag: string, groupName: string) => {
   log(`Looking up contract IDs with tag ${tag}...`)
-  const contractIds = await getTaggedContractIds(tag)
+  const contracts = await getTaggedContracts(tag)
-  log(`${contractIds.length} contracts found.`)
+  log(`${contracts.length} contracts found.`)
-  if (contractIds.length > 0) {
+  if (contracts.length > 0) {
     log(`Creating group ${groupName}...`)
     const about = `Contracts that used to be tagged ${tag}.`
-    const result = await createGroup(groupName, about, contractIds)
+    const result = await createGroup(groupName, about, contracts)
     log(`Done. Group: `, result)
   }
 }

functions/src/scripts/update-groups.ts

@@ -0,0 +1,109 @@
+import * as admin from 'firebase-admin'
+import { Group } from 'common/group'
+import { initAdmin } from 'functions/src/scripts/script-init'
+import { log } from '../utils'
+
+const getGroups = async () => {
+  const firestore = admin.firestore()
+  const groups = await firestore.collection('groups').get()
+  return groups.docs.map((doc) => doc.data() as Group)
+}
+
+const createContractIdForGroup = async (
+  groupId: string,
+  contractId: string
+) => {
+  const firestore = admin.firestore()
+  const now = Date.now()
+  const contractDoc = await firestore
+    .collection('groups')
+    .doc(groupId)
+    .collection('groupContracts')
+    .doc(contractId)
+    .get()
+  if (!contractDoc.exists)
+    await firestore
+      .collection('groups')
+      .doc(groupId)
+      .collection('groupContracts')
+      .doc(contractId)
+      .create({
+        contractId,
+        createdTime: now,
+      })
+}
+
+const createMemberForGroup = async (groupId: string, userId: string) => {
+  const firestore = admin.firestore()
+  const now = Date.now()
+  const memberDoc = await firestore
+    .collection('groups')
+    .doc(groupId)
+    .collection('groupMembers')
+    .doc(userId)
+    .get()
+  if (!memberDoc.exists)
+    await firestore
+      .collection('groups')
+      .doc(groupId)
+      .collection('groupMembers')
+      .doc(userId)
+      .create({
+        userId,
+        createdTime: now,
+      })
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+async function convertGroupFieldsToGroupDocuments() {
+  const groups = await getGroups()
+  for (const group of groups) {
+    log('updating group', group.slug)
+    const groupRef = admin.firestore().collection('groups').doc(group.id)
+    const totalMembers = (await groupRef.collection('groupMembers').get()).size
+    const totalContracts = (await groupRef.collection('groupContracts').get())
+      .size
+    if (
+      totalMembers === group.memberIds?.length &&
+      totalContracts === group.contractIds?.length
+    ) {
+      log('group already converted', group.slug)
+      continue
+    }
+    const contractStart = totalContracts - 1 < 0 ? 0 : totalContracts - 1
+    const membersStart = totalMembers - 1 < 0 ? 0 : totalMembers - 1
+    for (const contractId of group.contractIds?.slice(
+      contractStart,
+      group.contractIds?.length
+    ) ?? []) {
+      await createContractIdForGroup(group.id, contractId)
+    }
+    for (const userId of group.memberIds?.slice(
+      membersStart,
+      group.memberIds?.length
+    ) ?? []) {
+      await createMemberForGroup(group.id, userId)
+    }
+  }
+}
+
+async function updateTotalContractsAndMembers() {
+  const groups = await getGroups()
+  for (const group of groups) {
+    log('updating group total contracts and members', group.slug)
+    const groupRef = admin.firestore().collection('groups').doc(group.id)
+    const totalMembers = (await groupRef.collection('groupMembers').get()).size
+    const totalContracts = (await groupRef.collection('groupContracts').get())
+      .size
+    await groupRef.update({
+      totalMembers,
+      totalContracts,
+    })
+  }
+}
+
+if (require.main === module) {
+  initAdmin()
+  // convertGroupFieldsToGroupDocuments()
+  updateTotalContractsAndMembers()
+}

functions/src/serve.ts

@@ -26,7 +26,6 @@ import { resolvemarket } from './resolve-market'
 import { unsubscribe } from './unsubscribe'
 import { stripewebhook, createcheckoutsession } from './stripe'
 import { getcurrentuser } from './get-current-user'
-import { getcustomtoken } from './get-custom-token'
 import { createpost } from './create-post'
 
 type Middleware = (req: Request, res: Response, next: NextFunction) => void
@@ -66,7 +65,6 @@ addJsonEndpointRoute('/resolvemarket', resolvemarket)
 addJsonEndpointRoute('/unsubscribe', unsubscribe)
 addJsonEndpointRoute('/createcheckoutsession', createcheckoutsession)
 addJsonEndpointRoute('/getcurrentuser', getcurrentuser)
-addEndpointRoute('/getcustomtoken', getcustomtoken)
 addEndpointRoute('/stripewebhook', stripewebhook, express.raw())
 addEndpointRoute('/createpost', createpost)
 

functions/src/update-metrics.ts

@@ -1,43 +1,27 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
-import { groupBy, isEmpty, keyBy, sum, sumBy } from 'lodash'
+import { groupBy, isEmpty, keyBy, last } from 'lodash'
 import { getValues, log, logMemory, writeAsync } from './utils'
 import { Bet } from '../../common/bet'
 import { Contract } from '../../common/contract'
 import { PortfolioMetrics, User } from '../../common/user'
-import { calculatePayout } from '../../common/calculate'
 import { DAY_MS } from '../../common/util/time'
-import { last } from 'lodash'
 import { getLoanUpdates } from '../../common/loans'
+import {
+  calculateCreatorVolume,
+  calculateNewPortfolioMetrics,
+  calculateNewProfit,
+  computeVolume,
+} from '../../common/calculate-metrics'
 
 const firestore = admin.firestore()
 
-const computeInvestmentValue = (
+export const updateMetrics = functions
-  bets: Bet[],
+  .runWith({ memory: '2GB', timeoutSeconds: 540 })
-  contractsDict: { [k: string]: Contract }
+  .pubsub.schedule('every 15 minutes')
-) => {
+  .onRun(updateMetricsCore)
-  return sumBy(bets, (bet) => {
-    const contract = contractsDict[bet.contractId]
-    if (!contract || contract.isResolved) return 0
-    if (bet.sale || bet.isSold) return 0
 
-    const payout = calculatePayout(contract, bet, 'MKT')
+export async function updateMetricsCore() {
-    const value = payout - (bet.loanAmount ?? 0)
-    if (isNaN(value)) return 0
-    return value
-  })
-}
-
-const computeTotalPool = (userContracts: Contract[], startTime = 0) => {
-  const periodFilteredContracts = userContracts.filter(
-    (contract) => contract.createdTime >= startTime
-  )
-  return sum(
-    periodFilteredContracts.map((contract) => sum(Object.values(contract.pool)))
-  )
-}
-
-export const updateMetricsCore = async () => {
   const [users, contracts, bets, allPortfolioHistories] = await Promise.all([
     getValues<User>(firestore.collection('users')),
     getValues<Contract>(firestore.collection('contracts')),
@@ -88,23 +72,20 @@ export const updateMetricsCore = async () => {
       currentBets
     )
     const lastPortfolio = last(portfolioHistory)
-    const didProfitChange =
+    const didPortfolioChange =
       lastPortfolio === undefined ||
       lastPortfolio.balance !== newPortfolio.balance ||
       lastPortfolio.totalDeposits !== newPortfolio.totalDeposits ||
       lastPortfolio.investmentValue !== newPortfolio.investmentValue
 
-    const newProfit = calculateNewProfit(
+    const newProfit = calculateNewProfit(portfolioHistory, newPortfolio)
-      portfolioHistory,
+
-      newPortfolio,
-      didProfitChange
-    )
     return {
       user,
       newCreatorVolume,
       newPortfolio,
       newProfit,
-      didProfitChange,
+      didPortfolioChange,
     }
   })
 
@@ -120,16 +101,20 @@ export const updateMetricsCore = async () => {
   const nextLoanByUser = keyBy(userPayouts, (payout) => payout.user.id)
 
   const userUpdates = userMetrics.map(
-    ({ user, newCreatorVolume, newPortfolio, newProfit, didProfitChange }) => {
+    ({
+      user,
+      newCreatorVolume,
+      newPortfolio,
+      newProfit,
+      didPortfolioChange,
+    }) => {
       const nextLoanCached = nextLoanByUser[user.id]?.payout ?? 0
       return {
         fieldUpdates: {
           doc: firestore.collection('users').doc(user.id),
           fields: {
             creatorVolumeCached: newCreatorVolume,
-            ...(didProfitChange && {
             profitCached: newProfit,
-            }),
             nextLoanCached,
           },
         },
@@ -140,11 +125,7 @@ export const updateMetricsCore = async () => {
             .doc(user.id)
             .collection('portfolioHistory')
             .doc(),
-          fields: {
+          fields: didPortfolioChange ? newPortfolio : {},
-            ...(didProfitChange && {
-              ...newPortfolio,
-            }),
-          },
         },
       }
     }
@@ -162,108 +143,3 @@ export const updateMetricsCore = async () => {
   )
   log(`Updated metrics for ${users.length} users.`)
 }
-
-const computeVolume = (contractBets: Bet[], since: number) => {
-  return sumBy(contractBets, (b) =>
-    b.createdTime > since && !b.isRedemption ? Math.abs(b.amount) : 0
-  )
-}
-
-const calculateProfitForPeriod = (
-  startTime: number,
-  portfolioHistory: PortfolioMetrics[],
-  currentProfit: number
-) => {
-  const startingPortfolio = [...portfolioHistory]
-    .reverse() // so we search in descending order (most recent first), for efficiency
-    .find((p) => p.timestamp < startTime)
-
-  if (startingPortfolio === undefined) {
-    return 0
-  }
-
-  const startingProfit = calculateTotalProfit(startingPortfolio)
-
-  return currentProfit - startingProfit
-}
-
-const calculateTotalProfit = (portfolio: PortfolioMetrics) => {
-  return portfolio.investmentValue + portfolio.balance - portfolio.totalDeposits
-}
-
-const calculateCreatorVolume = (userContracts: Contract[]) => {
-  const allTimeCreatorVolume = computeTotalPool(userContracts, 0)
-  const monthlyCreatorVolume = computeTotalPool(
-    userContracts,
-    Date.now() - 30 * DAY_MS
-  )
-  const weeklyCreatorVolume = computeTotalPool(
-    userContracts,
-    Date.now() - 7 * DAY_MS
-  )
-
-  const dailyCreatorVolume = computeTotalPool(
-    userContracts,
-    Date.now() - 1 * DAY_MS
-  )
-
-  return {
-    daily: dailyCreatorVolume,
-    weekly: weeklyCreatorVolume,
-    monthly: monthlyCreatorVolume,
-    allTime: allTimeCreatorVolume,
-  }
-}
-
-const calculateNewPortfolioMetrics = (
-  user: User,
-  contractsById: { [k: string]: Contract },
-  currentBets: Bet[]
-) => {
-  const investmentValue = computeInvestmentValue(currentBets, contractsById)
-  const newPortfolio = {
-    investmentValue: investmentValue,
-    balance: user.balance,
-    totalDeposits: user.totalDeposits,
-    timestamp: Date.now(),
-    userId: user.id,
-  }
-  return newPortfolio
-}
-
-const calculateNewProfit = (
-  portfolioHistory: PortfolioMetrics[],
-  newPortfolio: PortfolioMetrics,
-  didProfitChange: boolean
-) => {
-  if (!didProfitChange) {
-    return {} // early return for performance
-  }
-
-  const allTimeProfit = calculateTotalProfit(newPortfolio)
-  const newProfit = {
-    daily: calculateProfitForPeriod(
-      Date.now() - 1 * DAY_MS,
-      portfolioHistory,
-      allTimeProfit
-    ),
-    weekly: calculateProfitForPeriod(
-      Date.now() - 7 * DAY_MS,
-      portfolioHistory,
-      allTimeProfit
-    ),
-    monthly: calculateProfitForPeriod(
-      Date.now() - 30 * DAY_MS,
-      portfolioHistory,
-      allTimeProfit
-    ),
-    allTime: allTimeProfit,
-  }
-
-  return newProfit
-}
-
-export const updateMetrics = functions
-  .runWith({ memory: '2GB', timeoutSeconds: 540 })
-  .pubsub.schedule('every 15 minutes')
-  .onRun(updateMetricsCore)

functions/src/weekly-markets-emails.ts

@@ -2,10 +2,18 @@ import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
 
 import { Contract } from '../../common/contract'
-import { getAllPrivateUsers, getUser, getValues, log } from './utils'
+import {
+  getAllPrivateUsers,
+  getPrivateUser,
+  getUser,
+  getValues,
+  isProd,
+  log,
+} from './utils'
 import { sendInterestingMarketsEmail } from './emails'
 import { createRNG, shuffle } from '../../common/util/random'
 import { DAY_MS } from '../../common/util/time'
+import { filterDefined } from '../../common/util/array'
 
 export const weeklyMarketsEmails = functions
   .runWith({ secrets: ['MAILGUN_KEY'] })
@@ -34,7 +42,9 @@ export async function getTrendingContracts() {
 
 async function sendTrendingMarketsEmailsToAllUsers() {
   const numContractsToSend = 6
-  const privateUsers = await getAllPrivateUsers()
+  const privateUsers = isProd()
+    ? await getAllPrivateUsers()
+    : filterDefined([await getPrivateUser('6hHpzvRG0pMq8PNJs7RZj2qlZGn2')])
   // get all users that haven't unsubscribed from weekly emails
   const privateUsersToSendEmailsTo = privateUsers.filter((user) => {
     return (

og-image/api/_lib/challenge-template.ts

@@ -1,85 +1,5 @@
-import { sanitizeHtml } from './sanitizer'
 import { ParsedRequest } from './types'
-
+import { getTemplateCss } from './template-css'
-function getCss(theme: string, fontSize: string) {
-  let background = 'white'
-  let foreground = 'black'
-  let radial = 'lightgray'
-
-  if (theme === 'dark') {
-    background = 'black'
-    foreground = 'white'
-    radial = 'dimgray'
-  }
-  // To use Readex Pro: `font-family: 'Readex Pro', sans-serif;`
-  return `
-    @import url('https://fonts.googleapis.com/css2?family=Major+Mono+Display&family=Readex+Pro:wght@400;700&display=swap');
-
-    body {
-        background: ${background};
-        background-image: radial-gradient(circle at 25px 25px, ${radial} 2%, transparent 0%), radial-gradient(circle at 75px 75px, ${radial} 2%, transparent 0%);
-        background-size: 100px 100px;
-        height: 100vh;
-        font-family: "Readex Pro", sans-serif;
-    }
-
-    code {
-        color: #D400FF;
-        font-family: 'Vera';
-        white-space: pre-wrap;
-        letter-spacing: -5px;
-    }
-
-    code:before, code:after {
-        content: '\`';
-    }
-
-    .logo-wrapper {
-        display: flex;
-        align-items: center;
-        align-content: center;
-        justify-content: center;
-        justify-items: center;
-    }
-
-    .logo {
-        margin: 0 75px;
-    }
-
-    .plus {
-        color: #BBB;
-        font-family: Times New Roman, Verdana;
-        font-size: 100px;
-    }
-
-    .spacer {
-        margin: 150px;
-    }
-
-    .emoji {
-        height: 1em;
-        width: 1em;
-        margin: 0 .05em 0 .1em;
-        vertical-align: -0.1em;
-    }
-    
-    .heading {
-        font-family: 'Major Mono Display', monospace;
-        font-size: ${sanitizeHtml(fontSize)};
-        font-style: normal;
-        color: ${foreground};
-        line-height: 1.8;
-    }
-    
-    .font-major-mono {
-      font-family: "Major Mono Display", monospace;
-    }
-
-    .text-primary {
-      color: #11b981;
-    }
-    `
-}
 
 export function getChallengeHtml(parsedReq: ParsedRequest) {
   const {
@@ -112,7 +32,7 @@ export function getChallengeHtml(parsedReq: ParsedRequest) {
         <script src="https://cdn.tailwindcss.com"></script>
     </head>
     <style>
-        ${getCss(theme, fontSize)}
+        ${getTemplateCss(theme, fontSize)}
     </style>
   <body>
     <div class="px-24">

og-image/api/_lib/parser.ts

@@ -21,6 +21,7 @@ export function parseRequest(req: IncomingMessage) {
     creatorName,
     creatorUsername,
     creatorAvatarUrl,
+    resolution,
 
     // Challenge attributes:
     challengerAmount,
@@ -71,6 +72,7 @@ export function parseRequest(req: IncomingMessage) {
 
     question:
       getString(question) || 'Will you create a prediction market on Manifold?',
+    resolution: getString(resolution),
     probability: getString(probability),
     numericValue: getString(numericValue) || '',
     metadata: getString(metadata) || 'Jan 1  •  M$ 123 pool',

og-image/api/_lib/template-css.ts

@@ -0,0 +1,81 @@
+import { sanitizeHtml } from './sanitizer'
+
+export function getTemplateCss(theme: string, fontSize: string) {
+  let background = 'white'
+  let foreground = 'black'
+  let radial = 'lightgray'
+
+  if (theme === 'dark') {
+    background = 'black'
+    foreground = 'white'
+    radial = 'dimgray'
+  }
+  // To use Readex Pro: `font-family: 'Readex Pro', sans-serif;`
+  return `
+    @import url('https://fonts.googleapis.com/css2?family=Major+Mono+Display&family=Readex+Pro:wght@400;700&display=swap');
+
+    body {
+        background: ${background};
+        background-image: radial-gradient(circle at 25px 25px, ${radial} 2%, transparent 0%), radial-gradient(circle at 75px 75px, ${radial} 2%, transparent 0%);
+        background-size: 100px 100px;
+        height: 100vh;
+        font-family: "Readex Pro", sans-serif;
+    }
+
+    code {
+        color: #D400FF;
+        font-family: 'Vera';
+        white-space: pre-wrap;
+        letter-spacing: -5px;
+    }
+
+    code:before, code:after {
+        content: '\`';
+    }
+
+    .logo-wrapper {
+        display: flex;
+        align-items: center;
+        align-content: center;
+        justify-content: center;
+        justify-items: center;
+    }
+
+    .logo {
+        margin: 0 75px;
+    }
+
+    .plus {
+        color: #BBB;
+        font-family: Times New Roman, Verdana;
+        font-size: 100px;
+    }
+
+    .spacer {
+        margin: 150px;
+    }
+
+    .emoji {
+        height: 1em;
+        width: 1em;
+        margin: 0 .05em 0 .1em;
+        vertical-align: -0.1em;
+    }
+    
+    .heading {
+        font-family: 'Major Mono Display', monospace;
+        font-size: ${sanitizeHtml(fontSize)};
+        font-style: normal;
+        color: ${foreground};
+        line-height: 1.8;
+    }
+    
+    .font-major-mono {
+      font-family: "Major Mono Display", monospace;
+    }
+
+    .text-primary {
+      color: #11b981;
+    }
+    `
+}

og-image/api/_lib/template.ts

@@ -1,85 +1,5 @@
-import { sanitizeHtml } from './sanitizer'
 import { ParsedRequest } from './types'
-
+import { getTemplateCss } from './template-css'
-function getCss(theme: string, fontSize: string) {
-  let background = 'white'
-  let foreground = 'black'
-  let radial = 'lightgray'
-
-  if (theme === 'dark') {
-    background = 'black'
-    foreground = 'white'
-    radial = 'dimgray'
-  }
-  // To use Readex Pro: `font-family: 'Readex Pro', sans-serif;`
-  return `
-    @import url('https://fonts.googleapis.com/css2?family=Major+Mono+Display&family=Readex+Pro:wght@400;700&display=swap');
-
-    body {
-        background: ${background};
-        background-image: radial-gradient(circle at 25px 25px, ${radial} 2%, transparent 0%), radial-gradient(circle at 75px 75px, ${radial} 2%, transparent 0%);
-        background-size: 100px 100px;
-        height: 100vh;
-        font-family: "Readex Pro", sans-serif;
-    }
-
-    code {
-        color: #D400FF;
-        font-family: 'Vera';
-        white-space: pre-wrap;
-        letter-spacing: -5px;
-    }
-
-    code:before, code:after {
-        content: '\`';
-    }
-
-    .logo-wrapper {
-        display: flex;
-        align-items: center;
-        align-content: center;
-        justify-content: center;
-        justify-items: center;
-    }
-
-    .logo {
-        margin: 0 75px;
-    }
-
-    .plus {
-        color: #BBB;
-        font-family: Times New Roman, Verdana;
-        font-size: 100px;
-    }
-
-    .spacer {
-        margin: 150px;
-    }
-
-    .emoji {
-        height: 1em;
-        width: 1em;
-        margin: 0 .05em 0 .1em;
-        vertical-align: -0.1em;
-    }
-    
-    .heading {
-        font-family: 'Major Mono Display', monospace;
-        font-size: ${sanitizeHtml(fontSize)};
-        font-style: normal;
-        color: ${foreground};
-        line-height: 1.8;
-    }
-    
-    .font-major-mono {
-      font-family: "Major Mono Display", monospace;
-    }
-
-    .text-primary {
-      color: #11b981;
-    }
-    `
-}
 
 export function getHtml(parsedReq: ParsedRequest) {
   const {
@@ -92,6 +12,7 @@ export function getHtml(parsedReq: ParsedRequest) {
     creatorUsername,
     creatorAvatarUrl,
     numericValue,
+    resolution,
   } = parsedReq
   const MAX_QUESTION_CHARS = 100
   const truncatedQuestion =
@@ -99,6 +20,49 @@ export function getHtml(parsedReq: ParsedRequest) {
       ? question.slice(0, MAX_QUESTION_CHARS) + '...'
       : question
   const hideAvatar = creatorAvatarUrl ? '' : 'hidden'
+
+  let resolutionColor = 'text-primary'
+  let resolutionString = 'YES'
+  switch (resolution) {
+    case 'YES':
+      break
+    case 'NO':
+      resolutionColor = 'text-red-500'
+      resolutionString = 'NO'
+      break
+    case 'CANCEL':
+      resolutionColor = 'text-yellow-500'
+      resolutionString = 'N/A'
+      break
+    case 'MKT':
+      resolutionColor = 'text-blue-500'
+      resolutionString = numericValue ? numericValue : probability
+      break
+  }
+
+  const resolutionDiv = `
+        <span class='text-center ${resolutionColor}'>
+          <div class="text-8xl">
+              ${resolutionString}
+            </div>
+          <div class="text-4xl">${
+            resolution === 'CANCEL' ? '' : 'resolved'
+          }</div>
+        </span>`
+
+  const probabilityDiv = `
+        <span class='text-primary text-center'>
+          <div class="text-8xl">${probability}</div>
+          <div class="text-4xl">chance</div>
+        </span>`
+
+  const numericValueDiv = `
+        <span class='text-blue-500 text-center'> 
+           <div class="text-8xl ">${numericValue}</div>
+          <div class="text-4xl">expected</div>
+        </span>
+      `
+
   return `<!DOCTYPE html>
 <html>
     <head>
@@ -108,7 +72,7 @@ export function getHtml(parsedReq: ParsedRequest) {
         <script src="https://cdn.tailwindcss.com"></script>
     </head>
     <style>
-        ${getCss(theme, fontSize)}
+        ${getTemplateCss(theme, fontSize)}
     </style>
   <body>
     <div class="px-24">
@@ -148,21 +112,20 @@ export function getHtml(parsedReq: ParsedRequest) {
         <div class="text-indigo-700 text-6xl leading-tight">
           ${truncatedQuestion}
         </div>
-        <div class="flex flex-col text-primary">
+        <div class="flex flex-col">
-          <div class="text-8xl">${probability}</div>
+                    ${
-          <div class="text-4xl">${probability !== '' ? 'chance' : ''}</div>
+                      resolution
-          <span class='text-blue-500 text-center'> 
+                        ? resolutionDiv
-           <div class="text-8xl ">${
+                        : numericValue
-             numericValue !== '' && probability === '' ? numericValue : ''
+                        ? numericValueDiv
-           }</div>
+                        : probabilityDiv
-          <div class="text-4xl">${numericValue !== '' ? 'expected' : ''}</div>
+                    }
-          </span>
         </div>
       </div>
 
       <!-- Metadata -->
       <div class="absolute bottom-16">
-        <div class="text-gray-500 text-3xl">
+        <div class="text-gray-500 text-3xl max-w-[80vw]">
           ${metadata}
         </div>
       </div>

og-image/api/_lib/types.ts

@@ -19,6 +19,7 @@ export interface ParsedRequest {
   creatorName: string
   creatorUsername: string
   creatorAvatarUrl: string
+  resolution: string
   // Challenge attributes:
   challengerAmount: string
   challengerOutcome: string

web/components/answers/answer-bet-panel.tsx

@@ -1,5 +1,5 @@
 import clsx from 'clsx'
-import { useEffect, useRef, useState } from 'react'
+import React, { useEffect, useRef, useState } from 'react'
 import { XIcon } from '@heroicons/react/solid'
 
 import { Answer } from 'common/answer'
@@ -132,7 +132,10 @@ export function AnswerBetPanel(props: {
           </button>
         )}
       </Row>
-      <div className="my-3 text-left text-sm text-gray-500">Amount </div>
+      <Row className="my-3 justify-between text-left text-sm text-gray-500">
+        Amount
+        <span>(balance: {formatMoney(user?.balance ?? 0)})</span>
+      </Row>
       <BuyAmountInput
         inputClassName="w-full max-w-none"
         amount={betAmount}

web/components/answers/answers-graph.tsx

@@ -18,19 +18,20 @@ export const AnswersGraph = memo(function AnswersGraph(props: {
 }) {
   const { contract, bets, height } = props
   const { createdTime, resolutionTime, closeTime, answers } = contract
+  const now = Date.now()
 
   const { probsByOutcome, sortedOutcomes } = computeProbsByOutcome(
     bets,
     contract
   )
 
-  const isClosed = !!closeTime && Date.now() > closeTime
+  const isClosed = !!closeTime && now > closeTime
   const latestTime = dayjs(
     resolutionTime && isClosed
       ? Math.min(resolutionTime, closeTime)
       : isClosed
       ? closeTime
-      : resolutionTime ?? Date.now()
+      : resolutionTime ?? now
   )
 
   const { width } = useWindowSize()
@@ -71,14 +72,14 @@ export const AnswersGraph = memo(function AnswersGraph(props: {
   const yTickValues = [0, 25, 50, 75, 100]
 
   const numXTickValues = isLargeWidth ? 5 : 2
-  const startDate = new Date(contract.createdTime)
+  const startDate = dayjs(contract.createdTime)
-  const endDate = dayjs(startDate).add(1, 'hour').isAfter(latestTime)
+  const endDate = startDate.add(1, 'hour').isAfter(latestTime)
-    ? latestTime.add(1, 'hours').toDate()
+    ? latestTime.add(1, 'hours')
-    : latestTime.toDate()
+    : latestTime
-  const includeMinute = dayjs(endDate).diff(startDate, 'hours') < 2
+  const includeMinute = endDate.diff(startDate, 'hours') < 2
 
-  const multiYear = !dayjs(startDate).isSame(latestTime, 'year')
+  const multiYear = !startDate.isSame(latestTime, 'year')
-  const lessThanAWeek = dayjs(startDate).add(1, 'week').isAfter(latestTime)
+  const lessThanAWeek = startDate.add(1, 'week').isAfter(latestTime)
 
   return (
     <div
@@ -96,16 +97,16 @@ export const AnswersGraph = memo(function AnswersGraph(props: {
         }}
         xScale={{
           type: 'time',
-          min: startDate,
+          min: startDate.toDate(),
-          max: endDate,
+          max: endDate.toDate(),
         }}
         xFormat={(d) =>
-          formatTime(+d.valueOf(), multiYear, lessThanAWeek, lessThanAWeek)
+          formatTime(now, +d.valueOf(), multiYear, lessThanAWeek, lessThanAWeek)
         }
         axisBottom={{
           tickValues: numXTickValues,
           format: (time) =>
-            formatTime(+time, multiYear, lessThanAWeek, includeMinute),
+            formatTime(now, +time, multiYear, lessThanAWeek, includeMinute),
         }}
         colors={[
           '#fca5a5', // red-300
@@ -158,23 +159,20 @@ function formatPercent(y: DatumValue) {
 }
 
 function formatTime(
+  now: number,
   time: number,
   includeYear: boolean,
   includeHour: boolean,
   includeMinute: boolean
 ) {
   const d = dayjs(time)
-
+  if (d.add(1, 'minute').isAfter(now) && d.subtract(1, 'minute').isBefore(now))
-  if (
-    d.add(1, 'minute').isAfter(Date.now()) &&
-    d.subtract(1, 'minute').isBefore(Date.now())
-  )
     return 'Now'
 
   let format: string
-  if (d.isSame(Date.now(), 'day')) {
+  if (d.isSame(now, 'day')) {
     format = '[Today]'
-  } else if (d.add(1, 'day').isSame(Date.now(), 'day')) {
+  } else if (d.add(1, 'day').isSame(now, 'day')) {
     format = '[Yesterday]'
   } else {
     format = 'MMM D'

web/components/answers/create-answer-panel.tsx

@@ -1,5 +1,5 @@
 import clsx from 'clsx'
-import { useState } from 'react'
+import React, { useState } from 'react'
 import Textarea from 'react-expanding-textarea'
 import { findBestMatch } from 'string-similarity'
 
@@ -149,7 +149,12 @@ export function CreateAnswerPanel(props: { contract: FreeResponseContract }) {
           {text && (
             <>
               <Col className="mt-1 gap-2">
-                <div className="text-sm text-gray-500">Bet amount</div>
+                <Row className="my-3 justify-between text-left text-sm text-gray-500">
+                  Bet Amount
+                  <span className={'sm:hidden'}>
+                    (balance: {formatMoney(user?.balance ?? 0)})
+                  </span>
+                </Row>{' '}
                 <BuyAmountInput
                   amount={betAmount}
                   onChange={setBetAmount}

web/components/arrange-home.tsx

@@ -0,0 +1,142 @@
+import clsx from 'clsx'
+import { DragDropContext, Droppable, Draggable } from 'react-beautiful-dnd'
+import { MenuIcon } from '@heroicons/react/solid'
+
+import { Col } from 'web/components/layout/col'
+import { Row } from 'web/components/layout/row'
+import { Subtitle } from 'web/components/subtitle'
+import { useMemberGroups } from 'web/hooks/use-group'
+import { filterDefined } from 'common/util/array'
+import { keyBy } from 'lodash'
+import { User } from 'common/user'
+import { Group } from 'common/group'
+
+export function ArrangeHome(props: {
+  user: User | null
+  homeSections: { visible: string[]; hidden: string[] }
+  setHomeSections: (homeSections: {
+    visible: string[]
+    hidden: string[]
+  }) => void
+}) {
+  const { user, homeSections, setHomeSections } = props
+
+  const groups = useMemberGroups(user?.id) ?? []
+  const { itemsById, visibleItems, hiddenItems } = getHomeItems(
+    groups,
+    homeSections
+  )
+
+  return (
+    <DragDropContext
+      onDragEnd={(e) => {
+        console.log('drag end', e)
+        const { destination, source, draggableId } = e
+        if (!destination) return
+
+        const item = itemsById[draggableId]
+
+        const newHomeSections = {
+          visible: visibleItems.map((item) => item.id),
+          hidden: hiddenItems.map((item) => item.id),
+        }
+
+        const sourceSection = source.droppableId as 'visible' | 'hidden'
+        newHomeSections[sourceSection].splice(source.index, 1)
+
+        const destSection = destination.droppableId as 'visible' | 'hidden'
+        newHomeSections[destSection].splice(destination.index, 0, item.id)
+
+        setHomeSections(newHomeSections)
+      }}
+    >
+      <Row className="relative max-w-lg gap-4">
+        <DraggableList items={visibleItems} title="Visible" />
+        <DraggableList items={hiddenItems} title="Hidden" />
+      </Row>
+    </DragDropContext>
+  )
+}
+
+function DraggableList(props: {
+  title: string
+  items: { id: string; label: string }[]
+}) {
+  const { title, items } = props
+  return (
+    <Droppable droppableId={title.toLowerCase()}>
+      {(provided, snapshot) => (
+        <Col
+          {...provided.droppableProps}
+          ref={provided.innerRef}
+          className={clsx(
+            'width-[220px] flex-1 items-start rounded bg-gray-50 p-2',
+            snapshot.isDraggingOver && 'bg-gray-100'
+          )}
+        >
+          <Subtitle text={title} className="mx-2 !my-2" />
+          {items.map((item, index) => (
+            <Draggable key={item.id} draggableId={item.id} index={index}>
+              {(provided, snapshot) => (
+                <div
+                  ref={provided.innerRef}
+                  {...provided.draggableProps}
+                  {...provided.dragHandleProps}
+                  style={provided.draggableProps.style}
+                  className={clsx(
+                    'flex flex-row items-center gap-4 rounded bg-gray-50 p-2',
+                    snapshot.isDragging && 'z-[9000] bg-gray-300'
+                  )}
+                >
+                  <MenuIcon
+                    className="h-5 w-5 flex-shrink-0 text-gray-500"
+                    aria-hidden="true"
+                  />{' '}
+                  {item.label}
+                </div>
+              )}
+            </Draggable>
+          ))}
+          {provided.placeholder}
+        </Col>
+      )}
+    </Droppable>
+  )
+}
+
+export const getHomeItems = (
+  groups: Group[],
+  homeSections: { visible: string[]; hidden: string[] }
+) => {
+  const items = [
+    { label: 'Trending', id: 'score' },
+    { label: 'Newest', id: 'newest' },
+    { label: 'Close date', id: 'close-date' },
+    { label: 'Your bets', id: 'your-bets' },
+    ...groups.map((g) => ({
+      label: g.name,
+      id: g.id,
+    })),
+  ]
+  const itemsById = keyBy(items, 'id')
+
+  const { visible, hidden } = homeSections
+
+  const [visibleItems, hiddenItems] = [
+    filterDefined(visible.map((id) => itemsById[id])),
+    filterDefined(hidden.map((id) => itemsById[id])),
+  ]
+
+  // Add unmentioned items to the visible list.
+  visibleItems.push(
+    ...items.filter(
+      (item) => !visibleItems.includes(item) && !hiddenItems.includes(item)
+    )
+  )
+
+  return {
+    visibleItems,
+    hiddenItems,
+    itemsById,
+  }
+}

web/components/auth-context.tsx

@@ -8,17 +8,20 @@ import {
   getUserAndPrivateUser,
   setCachedReferralInfoForUser,
 } from 'web/lib/firebase/users'
-import { deleteTokenCookies, setTokenCookies } from 'web/lib/firebase/auth'
 import { createUser } from 'web/lib/firebase/api'
 import { randomString } from 'common/util/random'
 import { identifyUser, setUserProperty } from 'web/lib/service/analytics'
 import { useStateCheckEquality } from 'web/hooks/use-state-check-equality'
+import { AUTH_COOKIE_NAME } from 'common/envs/constants'
+import { setCookie } from 'web/lib/util/cookie'
 
 // Either we haven't looked up the logged in user yet (undefined), or we know
 // the user is not logged in (null), or we know the user is logged in.
 type AuthUser = undefined | null | UserAndPrivateUser
 
+const TEN_YEARS_SECS = 60 * 60 * 24 * 365 * 10
 const CACHED_USER_KEY = 'CACHED_USER_KEY_V2'
+
 // Proxy localStorage in case it's not available (eg in incognito iframe)
 const localStorage =
   typeof window !== 'undefined'
@@ -38,6 +41,16 @@ const ensureDeviceToken = () => {
   return deviceToken
 }
 
+export const setUserCookie = (cookie: string | undefined) => {
+  const data = setCookie(AUTH_COOKIE_NAME, cookie ?? '', [
+    ['path', '/'],
+    ['max-age', (cookie === undefined ? 0 : TEN_YEARS_SECS).toString()],
+    ['samesite', 'lax'],
+    ['secure'],
+  ])
+  document.cookie = data
+}
+
 export const AuthContext = createContext<AuthUser>(undefined)
 
 export function AuthProvider(props: {
@@ -54,30 +67,33 @@ export function AuthProvider(props: {
     }
   }, [setAuthUser, serverUser])
 
+  useEffect(() => {
+    if (authUser != null) {
+      // Persist to local storage, to reduce login blink next time.
+      // Note: Cap on localStorage size is ~5mb
+      localStorage.setItem(CACHED_USER_KEY, JSON.stringify(authUser))
+    } else {
+      localStorage.removeItem(CACHED_USER_KEY)
+    }
+  }, [authUser])
+
   useEffect(() => {
     return onIdTokenChanged(
       auth,
       async (fbUser) => {
         if (fbUser) {
-          setTokenCookies({
+          setUserCookie(JSON.stringify(fbUser.toJSON()))
-            id: await fbUser.getIdToken(),
-            refresh: fbUser.refreshToken,
-          })
           let current = await getUserAndPrivateUser(fbUser.uid)
           if (!current.user || !current.privateUser) {
             const deviceToken = ensureDeviceToken()
             current = (await createUser({ deviceToken })) as UserAndPrivateUser
+            setCachedReferralInfoForUser(current.user)
           }
           setAuthUser(current)
-          // Persist to local storage, to reduce login blink next time.
-          // Note: Cap on localStorage size is ~5mb
-          localStorage.setItem(CACHED_USER_KEY, JSON.stringify(current))
-          setCachedReferralInfoForUser(current.user)
         } else {
           // User logged out; reset to null
-          deleteTokenCookies()
+          setUserCookie(undefined)
           setAuthUser(null)
-          localStorage.removeItem(CACHED_USER_KEY)
         }
       },
       (e) => {
@@ -87,29 +103,32 @@ export function AuthProvider(props: {
   }, [setAuthUser])
 
   const uid = authUser?.user.id
-  const username = authUser?.user.username
   useEffect(() => {
-    if (uid && username) {
+    if (uid) {
       identifyUser(uid)
-      setUserProperty('username', username)
+      const userListener = listenForUser(uid, (user) => {
-      const userListener = listenForUser(uid, (user) =>
+        setAuthUser((currAuthUser) =>
-        setAuthUser((authUser) => {
+          currAuthUser && user ? { ...currAuthUser, user } : null
-          /* eslint-disable-next-line @typescript-eslint/no-non-null-assertion */
-          return { ...authUser!, user: user! }
-        })
         )
-      const privateUserListener = listenForPrivateUser(uid, (privateUser) => {
-        setAuthUser((authUser) => {
-          /* eslint-disable-next-line @typescript-eslint/no-non-null-assertion */
-          return { ...authUser!, privateUser: privateUser! }
       })
+      const privateUserListener = listenForPrivateUser(uid, (privateUser) => {
+        setAuthUser((currAuthUser) =>
+          currAuthUser && privateUser ? { ...currAuthUser, privateUser } : null
+        )
       })
       return () => {
         userListener()
         privateUserListener()
       }
     }
-  }, [uid, username, setAuthUser])
+  }, [uid, setAuthUser])
+
+  const username = authUser?.user.username
+  useEffect(() => {
+    if (username != null) {
+      setUserProperty('username', username)
+    }
+  }, [username])
 
   return (
     <AuthContext.Provider value={authUser}>{children}</AuthContext.Provider>

web/components/bet-panel.tsx

@@ -1,5 +1,5 @@
 import clsx from 'clsx'
-import React, { useEffect, useState } from 'react'
+import React, { useState } from 'react'
 import { clamp, partition, sumBy } from 'lodash'
 
 import { useUser } from 'web/hooks/use-user'
@@ -8,6 +8,7 @@ import { Col } from './layout/col'
 import { Row } from './layout/row'
 import { Spacer } from './layout/spacer'
 import {
+  formatLargeNumber,
   formatMoney,
   formatPercent,
   formatWithCommas,
@@ -28,11 +29,10 @@ import { getProbability } from 'common/calculate'
 import { useFocus } from 'web/hooks/use-focus'
 import { useUserContractBets } from 'web/hooks/use-user-bets'
 import { calculateCpmmSale, getCpmmProbability } from 'common/calculate-cpmm'
-import { getFormattedMappedValue } from 'common/pseudo-numeric'
+import { getFormattedMappedValue, getMappedValue } from 'common/pseudo-numeric'
 import { SellRow } from './sell-row'
 import { useSaveBinaryShares } from './use-save-binary-shares'
 import { BetSignUpPrompt } from './sign-up-prompt'
-import { isIOS } from 'web/lib/util/device'
 import { ProbabilityOrNumericInput } from './probability-input'
 import { track } from 'web/lib/service/analytics'
 import { useUnfilledBets } from 'web/hooks/use-bets'
@@ -68,6 +68,8 @@ export function BetPanel(props: {
           className
         )}
       >
+        {user ? (
+          <>
             <QuickOrLimitBet
               isLimitOrder={isLimitOrder}
               setIsLimitOrder={setIsLimitOrder}
@@ -85,10 +87,13 @@ export function BetPanel(props: {
               user={user}
               unfilledBets={unfilledBets}
             />
-
+          </>
+        ) : (
+          <>
             <BetSignUpPrompt />
-
+            <PlayMoneyDisclaimer />
-        {!user && <PlayMoneyDisclaimer />}
+          </>
+        )}
       </Col>
 
       {user && unfilledBets.length > 0 && (
@@ -179,12 +184,12 @@ function BuyPanel(props: {
 
   const [inputRef, focusAmountInput] = useFocus()
 
-  useEffect(() => {
+  // useEffect(() => {
-    if (selected) {
+  //   if (selected) {
-      if (isIOS()) window.scrollTo(0, window.scrollY + 200)
+  //     if (isIOS()) window.scrollTo(0, window.scrollY + 200)
-      focusAmountInput()
+  //     focusAmountInput()
-    }
+  //   }
-  }, [selected, focusAmountInput])
+  // }, [selected, focusAmountInput])
 
   function onBetChoice(choice: 'YES' | 'NO') {
     setOutcome(choice)
@@ -252,17 +257,43 @@ function BuyPanel(props: {
   const resultProb = getCpmmProbability(newPool, newP)
   const probStayedSame =
     formatPercent(resultProb) === formatPercent(initialProb)
+
   const probChange = Math.abs(resultProb - initialProb)
-
   const currentPayout = newBet.shares
-
   const currentReturn = betAmount ? (currentPayout - betAmount) / betAmount : 0
   const currentReturnPercent = formatPercent(currentReturn)
 
   const format = getFormattedMappedValue(contract)
 
+  const getValue = getMappedValue(contract)
+  const rawDifference = Math.abs(getValue(resultProb) - getValue(initialProb))
+  const displayedDifference = isPseudoNumeric
+    ? formatLargeNumber(rawDifference)
+    : formatPercent(rawDifference)
+
   const bankrollFraction = (betAmount ?? 0) / (user?.balance ?? 1e9)
 
+  const warning =
+    (betAmount ?? 0) > 10 &&
+    bankrollFraction >= 0.5 &&
+    bankrollFraction <= 1 ? (
+      <AlertBox
+        title="Whoa, there!"
+        text={`You might not want to spend ${formatPercent(
+          bankrollFraction
+        )} of your balance on a single bet. \n\nCurrent balance: ${formatMoney(
+          user?.balance ?? 0
+        )}`}
+      />
+    ) : (betAmount ?? 0) > 10 && probChange >= 0.3 && bankrollFraction <= 1 ? (
+      <AlertBox
+        title="Whoa, there!"
+        text={`Are you sure you want to move the market by ${displayedDifference}?`}
+      />
+    ) : (
+      <></>
+    )
+
   return (
     <Col className={hidden ? 'hidden' : ''}>
       <div className="my-3 text-left text-sm text-gray-500">
@@ -276,7 +307,12 @@ function BuyPanel(props: {
         isPseudoNumeric={isPseudoNumeric}
       />
 
-      <div className="my-3 text-left text-sm text-gray-500">Amount</div>
+      <Row className="my-3 justify-between text-left text-sm text-gray-500">
+        Amount
+        <span className={'xl:hidden'}>
+          (balance: {formatMoney(user?.balance ?? 0)})
+        </span>
+      </Row>
       <BuyAmountInput
         inputClassName="w-full max-w-none"
         amount={betAmount}
@@ -287,33 +323,7 @@ function BuyPanel(props: {
         inputRef={inputRef}
       />
 
-      {(betAmount ?? 0) > 10 &&
+      {warning}
-      bankrollFraction >= 0.5 &&
-      bankrollFraction <= 1 ? (
-        <AlertBox
-          title="Whoa, there!"
-          text={`You might not want to spend ${formatPercent(
-            bankrollFraction
-          )} of your balance on a single bet. \n\nCurrent balance: ${formatMoney(
-            user?.balance ?? 0
-          )}`}
-        />
-      ) : (
-        ''
-      )}
-
-      {(betAmount ?? 0) > 10 && probChange >= 0.3 ? (
-        <AlertBox
-          title="Whoa, there!"
-          text={`Are you sure you want to move the market ${
-            isPseudoNumeric && contract.isLogScale
-              ? 'this much'
-              : format(probChange)
-          }?`}
-        />
-      ) : (
-        ''
-      )}
 
       <Col className="mt-3 w-full gap-3">
         <Row className="items-center justify-between text-sm">
@@ -342,9 +352,6 @@ function BuyPanel(props: {
                 </>
               )}
             </div>
-            {/* <InfoTooltip
-              text={`Includes ${formatMoneyWithDecimals(totalFees)} in fees`}
-            /> */}
           </Row>
           <div>
             <span className="mr-2 whitespace-nowrap">
@@ -594,9 +601,14 @@ function LimitOrderPanel(props: {
         </div>
       )}
 
-      <div className="mt-1 mb-3 text-left text-sm text-gray-500">
+      <Row className="mt-1 mb-3 justify-between text-left text-sm text-gray-500">
+        <span>
           Max amount<span className="ml-1 text-red-500">*</span>
-      </div>
+        </span>
+        <span className={'xl:hidden'}>
+          (balance: {formatMoney(user?.balance ?? 0)})
+        </span>
+      </Row>
       <BuyAmountInput
         inputClassName="w-full max-w-none"
         amount={betAmount}

web/components/bets-list.tsx

@@ -1,14 +1,13 @@
 import Link from 'next/link'
 import { keyBy, groupBy, mapValues, sortBy, partition, sumBy } from 'lodash'
 import dayjs from 'dayjs'
-import { useEffect, useMemo, useState } from 'react'
+import { useMemo, useState } from 'react'
 import clsx from 'clsx'
 import { ChevronDownIcon, ChevronUpIcon } from '@heroicons/react/solid'
 
 import { Bet } from 'web/lib/firebase/bets'
 import { User } from 'web/lib/firebase/users'
 import {
-  formatLargeNumber,
   formatMoney,
   formatPercent,
   formatWithCommas,
@@ -35,8 +34,6 @@ import {
   resolvedPayout,
   getContractBetNullMetrics,
 } from 'common/calculate'
-import { useTimeSinceFirstRender } from 'web/hooks/use-time-since-first-render'
-import { trackLatency } from 'web/lib/firebase/tracking'
 import { NumericContract } from 'common/contract'
 import { formatNumericProbability } from 'common/pseudo-numeric'
 import { useUser } from 'web/hooks/use-user'
@@ -85,13 +82,6 @@ export function BetsList(props: { user: User }) {
   const start = page * CONTRACTS_PER_PAGE
   const end = start + CONTRACTS_PER_PAGE
 
-  const getTime = useTimeSinceFirstRender()
-  useEffect(() => {
-    if (bets && contractsById && signedInUser) {
-      trackLatency(signedInUser.id, 'portfolio', getTime())
-    }
-  }, [signedInUser, bets, contractsById, getTime])
-
   if (!bets || !contractsById) {
     return <LoadingIndicator />
   }
@@ -219,9 +209,10 @@ export function BetsList(props: { user: User }) {
 
       <Col className="mt-6 divide-y">
         {displayedContracts.length === 0 ? (
-          <NoBets user={user} />
+          <NoMatchingBets />
         ) : (
-          displayedContracts.map((contract) => (
+          <>
+            {displayedContracts.map((contract) => (
               <ContractBets
                 key={contract.id}
                 contract={contract}
@@ -229,16 +220,16 @@ export function BetsList(props: { user: User }) {
                 metric={sort === 'profit' ? 'profit' : 'value'}
                 isYourBets={isYourBets}
               />
-          ))
+            ))}
-        )}
-      </Col>
-
             <Pagination
               page={page}
               itemsPerPage={CONTRACTS_PER_PAGE}
               totalItems={filteredContracts.length}
               setPage={setPage}
             />
+          </>
+        )}
+      </Col>
     </Col>
   )
 }
@@ -246,7 +237,7 @@ export function BetsList(props: { user: User }) {
 const NoBets = ({ user }: { user: User }) => {
   const me = useUser()
   return (
-    <div className="mx-4 text-gray-500">
+    <div className="mx-4 py-4 text-gray-500">
       {user.id === me?.id ? (
         <>
           You have not made any bets yet.{' '}
@@ -260,6 +251,11 @@ const NoBets = ({ user }: { user: User }) => {
     </div>
   )
 }
+const NoMatchingBets = () => (
+  <div className="mx-4 py-4 text-gray-500">
+    No bets matching the current filter.
+  </div>
+)
 
 function ContractBets(props: {
   contract: Contract
@@ -483,23 +479,6 @@ export function BetsSummary(props: {
               <div className="whitespace-nowrap">{formatMoney(noWinnings)}</div>
             </Col>
           </>
-        ) : isPseudoNumeric ? (
-          <>
-            <Col>
-              <div className="whitespace-nowrap text-sm text-gray-500">
-                Payout if {'>='} {formatLargeNumber(contract.max)}
-              </div>
-              <div className="whitespace-nowrap">
-                {formatMoney(yesWinnings)}
-              </div>
-            </Col>
-            <Col>
-              <div className="whitespace-nowrap text-sm text-gray-500">
-                Payout if {'<='} {formatLargeNumber(contract.min)}
-              </div>
-              <div className="whitespace-nowrap">{formatMoney(noWinnings)}</div>
-            </Col>
-          </>
         ) : (
           <Col>
             <div className="whitespace-nowrap text-sm text-gray-500">

web/components/button.tsx

@@ -1,4 +1,4 @@
-import { ReactNode } from 'react'
+import { MouseEventHandler, ReactNode } from 'react'
 import clsx from 'clsx'
 
 export type SizeType = '2xs' | 'xs' | 'sm' | 'md' | 'lg' | 'xl' | '2xl'
@@ -14,7 +14,7 @@ export type ColorType =
 
 export function Button(props: {
   className?: string
-  onClick?: () => void
+  onClick?: MouseEventHandler<any> | undefined
   children?: ReactNode
   size?: SizeType
   color?: ColorType

web/components/carousel.tsx

@@ -0,0 +1,72 @@
+import { ChevronLeftIcon, ChevronRightIcon } from '@heroicons/react/solid'
+import clsx from 'clsx'
+import { throttle } from 'lodash'
+import { ReactNode, useRef, useState, useEffect } from 'react'
+import { Row } from './layout/row'
+import { VisibilityObserver } from 'web/components/visibility-observer'
+
+export function Carousel(props: {
+  children: ReactNode
+  loadMore?: () => void
+  className?: string
+}) {
+  const { children, loadMore, className } = props
+
+  const ref = useRef<HTMLDivElement>(null)
+
+  const th = (f: () => any) => throttle(f, 500, { trailing: false })
+  const scrollLeft = th(() =>
+    ref.current?.scrollBy({ left: -ref.current.clientWidth })
+  )
+  const scrollRight = th(() =>
+    ref.current?.scrollBy({ left: ref.current.clientWidth })
+  )
+
+  const [atFront, setAtFront] = useState(true)
+  const [atBack, setAtBack] = useState(false)
+  const onScroll = throttle(() => {
+    if (ref.current) {
+      const { scrollLeft, clientWidth, scrollWidth } = ref.current
+      setAtFront(scrollLeft < 80)
+      setAtBack(scrollWidth - (clientWidth + scrollLeft) < 80)
+    }
+  }, 500)
+
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  useEffect(onScroll, [])
+
+  return (
+    <div className={clsx('relative', className)}>
+      <Row
+        className="scrollbar-hide w-full gap-4 overflow-x-auto scroll-smooth"
+        ref={ref}
+        onScroll={onScroll}
+      >
+        {children}
+
+        {loadMore && (
+          <VisibilityObserver
+            className="relative -left-96"
+            onVisibilityUpdated={(visible) => visible && loadMore()}
+          />
+        )}
+      </Row>
+      {!atFront && (
+        <div
+          className="absolute left-0 top-0 bottom-0 z-10 flex w-10 cursor-pointer items-center justify-center hover:bg-indigo-100/30"
+          onMouseDown={scrollLeft}
+        >
+          <ChevronLeftIcon className="h-7 w-7 rounded-full bg-indigo-50 text-indigo-700" />
+        </div>
+      )}
+      {!atBack && (
+        <div
+          className="absolute right-0 top-0 bottom-0 z-10 flex w-10 cursor-pointer items-center justify-center hover:bg-indigo-100/30"
+          onMouseDown={scrollRight}
+        >
+          <ChevronRightIcon className="h-7 w-7 rounded-full bg-indigo-50 text-indigo-700" />
+        </div>
+      )}
+    </div>
+  )
+}

web/components/challenges/create-challenge-modal.tsx

@@ -18,7 +18,6 @@ import { NoLabel, YesLabel } from '../outcome-label'
 import { QRCode } from '../qr-code'
 import { copyToClipboard } from 'web/lib/util/copy'
 import { AmountInput } from '../amount-input'
-import { getProbability } from 'common/calculate'
 import { createMarket } from 'web/lib/firebase/api'
 import { removeUndefinedProps } from 'common/util/object'
 import { FIXED_ANTE } from 'common/economy'
@@ -26,6 +25,7 @@ import Textarea from 'react-expanding-textarea'
 import { useTextEditor } from 'web/components/editor'
 import { LoadingIndicator } from 'web/components/loading-indicator'
 import { track } from 'web/lib/service/analytics'
+import { useWindowSize } from 'web/hooks/use-window-size'
 
 type challengeInfo = {
   amount: number
@@ -110,8 +110,9 @@ function CreateChallengeForm(props: {
   const [isCreating, setIsCreating] = useState(false)
   const [finishedCreating, setFinishedCreating] = useState(false)
   const [error, setError] = useState<string>('')
-  const [editingAcceptorAmount, setEditingAcceptorAmount] = useState(false)
   const defaultExpire = 'week'
+  const { width } = useWindowSize()
+  const isMobile = (width ?? 0) < 768
 
   const [challengeInfo, setChallengeInfo] = useState<challengeInfo>({
     expiresTime: dayjs().add(2, defaultExpire).valueOf(),
@@ -147,7 +148,7 @@ function CreateChallengeForm(props: {
             setFinishedCreating(true)
           }}
         >
-          <Title className="!mt-2" text="Challenge bet " />
+          <Title className="!mt-2 hidden sm:block" text="Challenge bet " />
 
           <div className="mb-8">
             Challenge a friend to bet on{' '}
@@ -157,7 +158,7 @@ function CreateChallengeForm(props: {
               <Textarea
                 placeholder="e.g. Will a Democrat be the next president?"
                 className="input input-bordered mt-1 w-full resize-none"
-                autoFocus={true}
+                autoFocus={!isMobile}
                 maxLength={MAX_QUESTION_LENGTH}
                 value={challengeInfo.question}
                 onChange={(e) =>
@@ -170,7 +171,8 @@ function CreateChallengeForm(props: {
             )}
           </div>
 
-          <div className="mt-2 flex flex-col flex-wrap justify-center gap-x-5 gap-y-2">
+          <Col className="mt-2 flex-wrap justify-center gap-x-5 gap-y-0 sm:gap-y-2">
+            <Col>
               <div>You'll bet:</div>
               <Row
                 className={
@@ -184,9 +186,7 @@ function CreateChallengeForm(props: {
                       return {
                         ...m,
                         amount: newAmount ?? 0,
-                      acceptorAmount: editingAcceptorAmount
+                        acceptorAmount: newAmount ?? 0,
-                        ? m.acceptorAmount
-                        : newAmount ?? 0,
                       }
                     })
                   }
@@ -197,7 +197,7 @@ function CreateChallengeForm(props: {
                 <span className={''}>on</span>
                 {challengeInfo.outcome === 'YES' ? <YesLabel /> : <NoLabel />}
               </Row>
-            <Row className={'mt-3 max-w-xs justify-end'}>
+              <Row className={'max-w-xs justify-end'}>
                 <Button
                   color={'gray-white'}
                   onClick={() =>
@@ -212,47 +212,18 @@ function CreateChallengeForm(props: {
                   <SwitchVerticalIcon className={'h-6 w-6'} />
                 </Button>
               </Row>
+            </Col>
             <Row className={'items-center'}>If they bet:</Row>
             <Row className={'max-w-xs items-center justify-between gap-4 pr-3'}>
-              <div className={'w-32 sm:mr-1'}>
+              <div className={'mt-1 w-32 sm:mr-1'}>
-                <AmountInput
+                <span className={'ml-2 font-bold'}>
-                  amount={challengeInfo.acceptorAmount || undefined}
+                  {formatMoney(challengeInfo.acceptorAmount)}
-                  onChange={(newAmount) => {
+                </span>
-                    setEditingAcceptorAmount(true)
-
-                    setChallengeInfo((m: challengeInfo) => {
-                      return {
-                        ...m,
-                        acceptorAmount: newAmount ?? 0,
-                      }
-                    })
-                  }}
-                  error={undefined}
-                  label={'M$'}
-                  inputClassName="w-24"
-                />
               </div>
               <span>on</span>
               {challengeInfo.outcome === 'YES' ? <NoLabel /> : <YesLabel />}
             </Row>
-          </div>
+          </Col>
-          {contract && (
-            <Button
-              size="2xs"
-              color="gray"
-              onClick={() => {
-                setEditingAcceptorAmount(true)
-
-                const p = getProbability(contract)
-                const prob = challengeInfo.outcome === 'YES' ? p : 1 - p
-                const { amount } = challengeInfo
-                const acceptorAmount = Math.round(amount / prob - amount)
-                setChallengeInfo({ ...challengeInfo, acceptorAmount })
-              }}
-            >
-              Use market odds
-            </Button>
-          )}
           <div className="mt-8">
             If the challenge is accepted, whoever is right will earn{' '}
             <span className="font-semibold">

web/components/contract-search.tsx

@@ -10,7 +10,7 @@ import {
 } from './contract/contracts-grid'
 import { ShowTime } from './contract/contract-details'
 import { Row } from './layout/row'
-import { useEffect, useLayoutEffect, useRef, useMemo } from 'react'
+import { useEffect, useLayoutEffect, useRef, useMemo, ReactNode } from 'react'
 import { ENV, IS_PRIVATE_MANIFOLD } from 'common/envs/constants'
 import { useFollows } from 'web/hooks/use-follows'
 import {
@@ -38,7 +38,7 @@ const searchClient = algoliasearch(
 const indexPrefix = ENV === 'DEV' ? 'dev-' : ''
 const searchIndexName = ENV === 'DEV' ? 'dev-contracts' : 'contractsIndex'
 
-const SORTS = [
+export const SORTS = [
   { label: 'Newest', value: 'newest' },
   { label: 'Trending', value: 'score' },
   { label: 'Most traded', value: 'most-traded' },
@@ -65,6 +65,7 @@ type AdditionalFilter = {
   tag?: string
   excludeContractIds?: string[]
   groupSlug?: string
+  yourBets?: boolean
 }
 
 export function ContractSearch(props: {
@@ -83,8 +84,11 @@ export function ContractSearch(props: {
   persistPrefix?: string
   useQueryUrlParam?: boolean
   isWholePage?: boolean
-  maxItems?: number
   noControls?: boolean
+  renderContracts?: (
+    contracts: Contract[] | undefined,
+    loadMore: () => void
+  ) => ReactNode
 }) {
   const {
     user,
@@ -99,8 +103,8 @@ export function ContractSearch(props: {
     persistPrefix,
     useQueryUrlParam,
     isWholePage,
-    maxItems,
     noControls,
+    renderContracts,
   } = props
 
   const [state, setState] = usePersistentState(
@@ -182,8 +186,7 @@ export function ContractSearch(props: {
   const contracts = state.pages
     .flat()
     .filter((c) => !additionalFilter?.excludeContractIds?.includes(c.id))
-  const renderedContracts =
+  const renderedContracts = state.pages.length === 0 ? undefined : contracts
-    state.pages.length === 0 ? undefined : contracts.slice(0, maxItems)
 
   if (IS_PRIVATE_MANIFOLD || process.env.NEXT_PUBLIC_FIREBASE_EMULATE) {
     return <ContractSearchFirestore additionalFilter={additionalFilter} />
@@ -203,6 +206,9 @@ export function ContractSearch(props: {
         onSearchParametersChanged={onSearchParametersChanged}
         noControls={noControls}
       />
+      {renderContracts ? (
+        renderContracts(renderedContracts, performQuery)
+      ) : (
         <ContractsGrid
           contracts={renderedContracts}
           loadMore={noControls ? undefined : performQuery}
@@ -211,6 +217,7 @@ export function ContractSearch(props: {
           highlightOptions={highlightOptions}
           cardHideOptions={cardHideOptions}
         />
+      )}
     </Col>
   )
 }
@@ -275,8 +282,8 @@ function ContractSearchControls(props: {
       : DEFAULT_CATEGORY_GROUPS.map((g) => g.slug)
 
   const memberPillGroups = sortBy(
-    memberGroups.filter((group) => group.contractIds.length > 0),
+    memberGroups.filter((group) => group.totalContracts > 0),
-    (group) => group.contractIds.length
+    (group) => group.totalContracts
   ).reverse()
 
   const pillGroups: { name: string; slug: string }[] =
@@ -290,6 +297,10 @@ function ContractSearchControls(props: {
     additionalFilter?.groupSlug
       ? `groupLinks.slug:${additionalFilter.groupSlug}`
       : '',
+    additionalFilter?.yourBets && user
+      ? // Show contracts bet on by the user
+        `uniqueBettorIds:${user.id}`
+      : '',
   ]
   const facetFilters = query
     ? additionalFilters
@@ -312,10 +323,6 @@ function ContractSearchControls(props: {
               .map((slug) => `groupLinks.slug:${slug}`)
               // Show contracts created by users the user follows
               .concat(follows?.map((followId) => `creatorId:${followId}`) ?? [])
-              // Show contracts bet on by users the user follows
-              .concat(
-                follows?.map((followId) => `uniqueBettorIds:${followId}`) ?? []
-              )
           : '',
         // Subtract contracts you bet on from For you.
         state.pillFilter === 'personal' && user

web/components/contract/contract-card.tsx

@@ -32,7 +32,6 @@ import { track } from '@amplitude/analytics-browser'
 import { trackCallback } from 'web/lib/service/analytics'
 import { getMappedValue } from 'common/pseudo-numeric'
 import { Tooltip } from '../tooltip'
-import { useWindowSize } from 'web/hooks/use-window-size'
 
 export function ContractCard(props: {
   contract: Contract
@@ -64,11 +63,7 @@ export function ContractCard(props: {
   const marketClosed =
     (contract.closeTime || Infinity) < Date.now() || !!resolution
 
-  const { width } = useWindowSize()
-  const isMobile = (width ?? 0) < 768
-
   const showQuickBet =
-    !isMobile &&
     user &&
     !marketClosed &&
     (outcomeType === 'BINARY' || outcomeType === 'PSEUDO_NUMERIC') &&

web/components/contract/contract-description.tsx

@@ -6,6 +6,7 @@ import Textarea from 'react-expanding-textarea'
 import { Contract, MAX_DESCRIPTION_LENGTH } from 'common/contract'
 import { exhibitExts, parseTags } from 'common/util/parse'
 import { useAdmin } from 'web/hooks/use-admin'
+import { useUser } from 'web/hooks/use-user'
 import { updateContract } from 'web/lib/firebase/contracts'
 import { Row } from '../layout/row'
 import { Content } from '../editor'
@@ -17,11 +18,12 @@ import { insertContent } from '../editor/utils'
 
 export function ContractDescription(props: {
   contract: Contract
-  isCreator: boolean
   className?: string
 }) {
-  const { contract, isCreator, className } = props
+  const { contract, className } = props
   const isAdmin = useAdmin()
+  const user = useUser()
+  const isCreator = user?.id === contract.creatorId
   return (
     <div className={clsx('mt-2 text-gray-700', className)}>
       {isCreator || isAdmin ? (

web/components/contract/contract-details.tsx

@@ -5,10 +5,10 @@ import {
   TrendingUpIcon,
   UserGroupIcon,
 } from '@heroicons/react/outline'
-import Router from 'next/router'
 import clsx from 'clsx'
 import { Editor } from '@tiptap/react'
 import dayjs from 'dayjs'
+import Link from 'next/link'
 
 import { Row } from '../layout/row'
 import { formatMoney } from 'common/util/format'
@@ -18,7 +18,6 @@ import { fromNow } from 'web/lib/util/time'
 import { Avatar } from '../avatar'
 import { useState } from 'react'
 import { ContractInfoDialog } from './contract-info-dialog'
-import { Bet } from 'common/bet'
 import NewContractBadge from '../new-contract-badge'
 import { UserFollowButton } from '../follow-button'
 import { DAY_MS } from 'common/util/time'
@@ -28,13 +27,14 @@ import { Button } from 'web/components/button'
 import { Modal } from 'web/components/layout/modal'
 import { Col } from 'web/components/layout/col'
 import { ContractGroupsList } from 'web/components/groups/contract-groups-list'
-import { SiteLink } from 'web/components/site-link'
+import { linkClass } from 'web/components/site-link'
-import { groupPath } from 'web/lib/firebase/groups'
+import { getGroupLinkToDisplay, groupPath } from 'web/lib/firebase/groups'
 import { insertContent } from '../editor/utils'
 import { contractMetrics } from 'common/contract-details'
-import { User } from 'common/user'
 import { UserLink } from 'web/components/user-link'
 import { FeaturedContractBadge } from 'web/components/contract/featured-contract-badge'
+import { Tooltip } from 'web/components/tooltip'
+import { useWindowSize } from 'web/hooks/use-window-size'
 
 export type ShowTime = 'resolve-date' | 'close-date'
 
@@ -52,10 +52,10 @@ export function MiscDetails(props: {
     isResolved,
     createdTime,
     resolutionTime,
-    groupLinks,
   } = contract
 
   const isNew = createdTime > Date.now() - DAY_MS && !isResolved
+  const groupToDisplay = getGroupLinkToDisplay(contract)
 
   return (
     <Row className="items-center gap-3 truncate text-sm text-gray-400">
@@ -78,18 +78,17 @@ export function MiscDetails(props: {
       ) : (contract?.featuredOnHomeRank ?? 0) > 0 ? (
         <FeaturedContractBadge />
       ) : volume > 0 || !isNew ? (
-        <Row className={'shrink-0'}>{formatMoney(contract.volume)} bet</Row>
+        <Row className={'shrink-0'}>{formatMoney(volume)} bet</Row>
       ) : (
         <NewContractBadge />
       )}
 
-      {!hideGroupLink && groupLinks && groupLinks.length > 0 && (
+      {!hideGroupLink && groupToDisplay && (
-        <SiteLink
+        <Link prefetch={false} href={groupPath(groupToDisplay.slug)}>
-          href={groupPath(groupLinks[0].slug)}
+          <a className={clsx(linkClass, 'truncate text-sm text-gray-400')}>
-          className="truncate text-sm text-gray-400"
+            {groupToDisplay.name}
-        >
+          </a>
-          {groupLinks[0].name}
+        </Link>
-        </SiteLink>
       )}
     </Row>
   )
@@ -101,7 +100,7 @@ export function AvatarDetails(props: {
   short?: boolean
 }) {
   const { contract, short, className } = props
-  const { creatorName, creatorUsername } = contract
+  const { creatorName, creatorUsername, creatorAvatarUrl } = contract
 
   return (
     <Row
@@ -109,7 +108,7 @@ export function AvatarDetails(props: {
     >
       <Avatar
         username={creatorUsername}
-        avatarUrl={contract.creatorAvatarUrl}
+        avatarUrl={creatorAvatarUrl}
         size={6}
       />
       <UserLink name={creatorName} username={creatorUsername} short={short} />
@@ -117,49 +116,51 @@ export function AvatarDetails(props: {
   )
 }
 
-export function AbbrContractDetails(props: {
-  contract: Contract
-  showHotVolume?: boolean
-  showTime?: ShowTime
-}) {
-  const { contract, showHotVolume, showTime } = props
-  return (
-    <Row className="items-center justify-between">
-      <AvatarDetails contract={contract} />
-
-      <MiscDetails
-        contract={contract}
-        showHotVolume={showHotVolume}
-        showTime={showTime}
-      />
-    </Row>
-  )
-}
-
 export function ContractDetails(props: {
   contract: Contract
-  bets: Bet[]
-  user: User | null | undefined
-  isCreator?: boolean
   disabled?: boolean
 }) {
-  const { contract, bets, isCreator, disabled } = props
+  const { contract, disabled } = props
-  const { closeTime, creatorName, creatorUsername, creatorId, groupLinks } =
+  const {
-    contract
+    closeTime,
+    creatorName,
+    creatorUsername,
+    creatorId,
+    creatorAvatarUrl,
+    resolutionTime,
+  } = contract
   const { volumeLabel, resolvedDate } = contractMetrics(contract)
-
-  const groupToDisplay =
-    groupLinks?.sort((a, b) => a.createdTime - b.createdTime)[0] ?? null
   const user = useUser()
+  const isCreator = user?.id === creatorId
   const [open, setOpen] = useState(false)
-
+  const { width } = useWindowSize()
-  const groupInfo = (
+  const isMobile = (width ?? 0) < 600
+  const groupToDisplay = getGroupLinkToDisplay(contract)
+  const groupInfo = groupToDisplay ? (
+    <Link prefetch={false} href={groupPath(groupToDisplay.slug)}>
+      <a
+        className={clsx(
+          linkClass,
+          'flex flex-row items-center truncate pr-0 sm:pr-2',
+          isMobile ? 'max-w-[140px]' : 'max-w-[250px]'
+        )}
+      >
+        <UserGroupIcon className="mx-1 inline h-5 w-5 shrink-0" />
+        <span className="items-center truncate">{groupToDisplay.name}</span>
+      </a>
+    </Link>
+  ) : (
+    <Button
+      size={'xs'}
+      className={'max-w-[200px] pr-2'}
+      color={'gray-white'}
+      onClick={() => !groupToDisplay && setOpen(true)}
+    >
       <Row>
         <UserGroupIcon className="mx-1 inline h-5 w-5 shrink-0" />
-      <span className="truncate">
+        <span className="truncate">No Group</span>
-        {groupToDisplay ? groupToDisplay.name : 'No group'}
-      </span>
       </Row>
+    </Button>
   )
 
   return (
@@ -167,7 +168,7 @@ export function ContractDetails(props: {
       <Row className="items-center gap-2">
         <Avatar
           username={creatorUsername}
-          avatarUrl={contract.creatorAvatarUrl}
+          avatarUrl={creatorAvatarUrl}
           noLink={disabled}
           size={6}
         />
@@ -178,6 +179,7 @@ export function ContractDetails(props: {
             className="whitespace-nowrap"
             name={creatorName}
             username={creatorUsername}
+            short={isMobile}
           />
         )}
         {!disabled && <UserFollowButton userId={creatorId} small />}
@@ -189,19 +191,8 @@ export function ContractDetails(props: {
           <div />
         ) : (
           <Row>
-            <Button
-              size={'xs'}
-              className={'max-w-[200px] pr-2'}
-              color={'gray-white'}
-              onClick={() =>
-                groupToDisplay
-                  ? Router.push(groupPath(groupToDisplay.slug))
-                  : setOpen(!open)
-              }
-            >
             {groupInfo}
-            </Button>
+            {user && groupToDisplay && (
-            {user && (
               <Button
                 size={'xs'}
                 color={'gray-white'}
@@ -219,23 +210,16 @@ export function ContractDetails(props: {
             'max-h-[70vh] min-h-[20rem] overflow-auto rounded bg-white p-6'
           }
         >
-          <ContractGroupsList
+          <ContractGroupsList contract={contract} user={user} />
-            groupLinks={groupLinks ?? []}
-            contract={contract}
-            user={user}
-          />
         </Col>
       </Modal>
 
       {(!!closeTime || !!resolvedDate) && (
-        <Row className="items-center gap-1">
+        <Row className="hidden items-center gap-1 md:inline-flex">
-          {resolvedDate && contract.resolutionTime ? (
+          {resolvedDate && resolutionTime ? (
             <>
               <ClockIcon className="h-5 w-5" />
-              <DateTimeTooltip
+              <DateTimeTooltip text="Market resolved:" time={resolutionTime}>
-                text="Market resolved:"
-                time={contract.resolutionTime}
-              >
                 {resolvedDate}
               </DateTimeTooltip>
             </>
@@ -255,17 +239,84 @@ export function ContractDetails(props: {
       )}
       {user && (
         <>
-          <Row className="items-center gap-1">
+          <Row className="hidden items-center gap-1 md:inline-flex">
             <DatabaseIcon className="h-5 w-5" />
             <div className="whitespace-nowrap">{volumeLabel}</div>
           </Row>
-          {!disabled && <ContractInfoDialog contract={contract} bets={bets} />}
+          {!disabled && (
+            <ContractInfoDialog
+              contract={contract}
+              className={'hidden md:inline-flex'}
+            />
+          )}
         </>
       )}
     </Row>
   )
 }
 
+export function ExtraMobileContractDetails(props: {
+  contract: Contract
+  forceShowVolume?: boolean
+}) {
+  const { contract, forceShowVolume } = props
+  const { volume, resolutionTime, closeTime, creatorId, uniqueBettorCount } =
+    contract
+  const user = useUser()
+  const uniqueBettors = uniqueBettorCount ?? 0
+  const { resolvedDate } = contractMetrics(contract)
+  const volumeTranslation =
+    volume > 800 || uniqueBettors >= 20
+      ? 'High'
+      : volume > 300 || uniqueBettors >= 10
+      ? 'Medium'
+      : 'Low'
+
+  return (
+    <Row
+      className={clsx(
+        'items-center justify-around md:hidden',
+        user ? 'w-full' : ''
+      )}
+    >
+      {resolvedDate && resolutionTime ? (
+        <Col className={'items-center text-sm'}>
+          <Row className={'text-gray-500'}>
+            <DateTimeTooltip text="Market resolved:" time={resolutionTime}>
+              {resolvedDate}
+            </DateTimeTooltip>
+          </Row>
+          <Row className={'text-gray-400'}>Ended</Row>
+        </Col>
+      ) : (
+        !resolvedDate &&
+        closeTime && (
+          <Col className={'items-center text-sm text-gray-500'}>
+            <EditableCloseDate
+              closeTime={closeTime}
+              contract={contract}
+              isCreator={creatorId === user?.id}
+            />
+            <Row className={'text-gray-400'}>Ends</Row>
+          </Col>
+        )
+      )}
+      {(user || forceShowVolume) && (
+        <Col className={'items-center text-sm text-gray-500'}>
+          <Tooltip
+            text={`${formatMoney(
+              volume
+            )} bet - ${uniqueBettors} unique bettors`}
+          >
+            {volumeTranslation}
+          </Tooltip>
+          <Row className={'text-gray-400'}>Activity</Row>
+        </Col>
+      )}
+    </Row>
+  )
+}
+
 function EditableCloseDate(props: {
   closeTime: number
   contract: Contract
@@ -318,10 +369,10 @@ function EditableCloseDate(props: {
   return (
     <>
       {isEditingCloseTime ? (
-        <Row className="mr-1 items-start">
+        <Row className="z-10 mr-2 w-full shrink-0 items-start items-center gap-1">
           <input
             type="date"
-            className="input input-bordered"
+            className="input input-bordered shrink-0"
             onClick={(e) => e.stopPropagation()}
             onChange={(e) => setCloseDate(e.target.value)}
             min={Date.now()}
@@ -329,39 +380,35 @@ function EditableCloseDate(props: {
           />
           <input
             type="time"
-            className="input input-bordered ml-2"
+            className="input input-bordered shrink-0"
             onClick={(e) => e.stopPropagation()}
             onChange={(e) => setCloseHoursMinutes(e.target.value)}
             min="00:00"
             value={closeHoursMinutes}
           />
+          <Button size={'xs'} color={'blue'} onClick={onSave}>
+            Done
+          </Button>
         </Row>
       ) : (
         <DateTimeTooltip
           text={closeTime > Date.now() ? 'Trading ends:' : 'Trading ended:'}
           time={closeTime}
         >
-          {isSameYear
+          <span
-            ? dayJsCloseTime.format('MMM D')
+            className={isCreator ? 'cursor-pointer' : ''}
-            : dayJsCloseTime.format('MMM D, YYYY')}
+            onClick={() => isCreator && setIsEditingCloseTime(true)}
-          {isSameDay && <> ({fromNow(closeTime)})</>}
+          >
+            {isSameDay ? (
+              <span className={'capitalize'}> {fromNow(closeTime)}</span>
+            ) : isSameYear ? (
+              dayJsCloseTime.format('MMM D')
+            ) : (
+              dayJsCloseTime.format('MMM D, YYYY')
+            )}
+          </span>
         </DateTimeTooltip>
       )}
-
-      {isCreator &&
-        (isEditingCloseTime ? (
-          <button className="btn btn-xs" onClick={onSave}>
-            Done
-          </button>
-        ) : (
-          <Button
-            size={'xs'}
-            color={'gray-white'}
-            onClick={() => setIsEditingCloseTime(true)}
-          >
-            <PencilIcon className="!container mr-0.5 mb-0.5 inline h-4 w-4" />
-          </Button>
-        ))}
     </>
   )
 }

web/components/contract/contract-info-dialog.tsx

@@ -1,9 +1,7 @@
 import { DotsHorizontalIcon } from '@heroicons/react/outline'
 import clsx from 'clsx'
 import dayjs from 'dayjs'
-import { uniqBy } from 'lodash'
 import { useState } from 'react'
-import { Bet } from 'common/bet'
 
 import { Contract } from 'common/contract'
 import { formatMoney } from 'common/util/format'
@@ -18,12 +16,17 @@ import { SiteLink } from '../site-link'
 import { firestoreConsolePath } from 'common/envs/constants'
 import { deleteField } from 'firebase/firestore'
 import ShortToggle from '../widgets/short-toggle'
+import { DuplicateContractButton } from '../copy-contract-button'
+import { Row } from '../layout/row'
 
 export const contractDetailsButtonClassName =
   'group flex items-center rounded-md px-3 py-2 text-sm font-medium cursor-pointer hover:bg-gray-100 text-gray-400 hover:text-gray-500'
 
-export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
+export function ContractInfoDialog(props: {
-  const { contract, bets } = props
+  contract: Contract
+  className?: string
+}) {
+  const { contract, className } = props
 
   const [open, setOpen] = useState(false)
   const [featured, setFeatured] = useState(
@@ -37,11 +40,7 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
   const { createdTime, closeTime, resolutionTime, mechanism, outcomeType, id } =
     contract
 
-  const tradersCount = uniqBy(
+  const bettorsCount = contract.uniqueBettorCount ?? 'Unknown'
-    bets.filter((bet) => !bet.isAnte),
-    'userId'
-  ).length
-
   const typeDisplay =
     outcomeType === 'BINARY'
       ? 'YES / NO'
@@ -69,7 +68,7 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
   return (
     <>
       <button
-        className={contractDetailsButtonClassName}
+        className={clsx(contractDetailsButtonClassName, className)}
         onClick={() => setOpen(true)}
       >
         <DotsHorizontalIcon
@@ -136,8 +135,8 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
               </tr> */}
 
               <tr>
-                <td>Traders</td>
+                <td>Bettors</td>
-                <td>{tradersCount}</td>
+                <td>{bettorsCount}</td>
               </tr>
 
               <tr>
@@ -188,6 +187,9 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
             </tbody>
           </table>
 
+          <Row className="flex-wrap">
+            <DuplicateContractButton contract={contract} />
+          </Row>
           {contract.mechanism === 'cpmm-1' && !contract.resolution && (
             <LiquidityPanel contract={contract} />
           )}

web/components/contract/contract-overview.tsx

@@ -1,5 +1,4 @@
 import React from 'react'
-import clsx from 'clsx'
 
 import { tradingAllowed } from 'web/lib/firebase/contracts'
 import { Col } from '../layout/col'
@@ -16,143 +15,154 @@ import {
 import { Bet } from 'common/bet'
 import BetButton from '../bet-button'
 import { AnswersGraph } from '../answers/answers-graph'
-import { Contract, CPMMBinaryContract } from 'common/contract'
+import {
-import { ContractDescription } from './contract-description'
+  Contract,
-import { ContractDetails } from './contract-details'
+  BinaryContract,
+  CPMMContract,
+  CPMMBinaryContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+  NumericContract,
+  PseudoNumericContract,
+} from 'common/contract'
+import { ContractDetails, ExtraMobileContractDetails } from './contract-details'
 import { NumericGraph } from './numeric-graph'
-import { ShareRow } from './share-row'
+
-import { LikeMarketButton } from 'web/components/contract/like-market-button'
+const OverviewQuestion = (props: { text: string }) => (
+  <Linkify className="text-2xl text-indigo-700 md:text-3xl" text={props.text} />
+)
+
+const BetWidget = (props: { contract: CPMMContract }) => {
+  const user = useUser()
+  return (
+    <Col>
+      <BetButton contract={props.contract} />
+      {!user && (
+        <div className="mt-1 text-center text-sm text-gray-500">
+          (with play money!)
+        </div>
+      )}
+    </Col>
+  )
+}
+
+const NumericOverview = (props: { contract: NumericContract }) => {
+  const { contract } = props
+  return (
+    <Col className="gap-1 md:gap-2">
+      <Col className="gap-3 px-2 sm:gap-4">
+        <ContractDetails contract={contract} />
+        <Row className="justify-between gap-4">
+          <OverviewQuestion text={contract.question} />
+          <NumericResolutionOrExpectation
+            contract={contract}
+            className="hidden items-end xl:flex"
+          />
+        </Row>
+        <NumericResolutionOrExpectation
+          className="items-center justify-between gap-4 xl:hidden"
+          contract={contract}
+        />
+      </Col>
+      <NumericGraph contract={contract} />
+    </Col>
+  )
+}
+
+const BinaryOverview = (props: { contract: BinaryContract; bets: Bet[] }) => {
+  const { contract, bets } = props
+  return (
+    <Col className="gap-1 md:gap-2">
+      <Col className="gap-3 px-2 sm:gap-4">
+        <ContractDetails contract={contract} />
+        <Row className="justify-between gap-4">
+          <OverviewQuestion text={contract.question} />
+          <BinaryResolutionOrChance
+            className="hidden items-end xl:flex"
+            contract={contract}
+            large
+          />
+        </Row>
+        <Row className="items-center justify-between gap-4 xl:hidden">
+          <BinaryResolutionOrChance contract={contract} />
+          <ExtraMobileContractDetails contract={contract} />
+          {tradingAllowed(contract) && (
+            <BetWidget contract={contract as CPMMBinaryContract} />
+          )}
+        </Row>
+      </Col>
+      <ContractProbGraph contract={contract} bets={[...bets].reverse()} />
+    </Col>
+  )
+}
+
+const ChoiceOverview = (props: {
+  contract: FreeResponseContract | MultipleChoiceContract
+  bets: Bet[]
+}) => {
+  const { contract, bets } = props
+  const { question, resolution } = contract
+  return (
+    <Col className="gap-1 md:gap-2">
+      <Col className="gap-3 px-2 sm:gap-4">
+        <ContractDetails contract={contract} />
+        <OverviewQuestion text={question} />
+        {resolution && (
+          <FreeResponseResolutionOrChance contract={contract} truncate="none" />
+        )}
+      </Col>
+      <Col className={'mb-1 gap-y-2'}>
+        <AnswersGraph contract={contract} bets={[...bets].reverse()} />
+        <ExtraMobileContractDetails
+          contract={contract}
+          forceShowVolume={true}
+        />
+      </Col>
+    </Col>
+  )
+}
+
+const PseudoNumericOverview = (props: {
+  contract: PseudoNumericContract
+  bets: Bet[]
+}) => {
+  const { contract, bets } = props
+  return (
+    <Col className="gap-1 md:gap-2">
+      <Col className="gap-3 px-2 sm:gap-4">
+        <ContractDetails contract={contract} />
+        <Row className="justify-between gap-4">
+          <OverviewQuestion text={contract.question} />
+          <PseudoNumericResolutionOrExpectation
+            contract={contract}
+            className="hidden items-end xl:flex"
+          />
+        </Row>
+        <Row className="items-center justify-between gap-4 xl:hidden">
+          <PseudoNumericResolutionOrExpectation contract={contract} />
+          <ExtraMobileContractDetails contract={contract} />
+          {tradingAllowed(contract) && <BetWidget contract={contract} />}
+        </Row>
+      </Col>
+      <ContractProbGraph contract={contract} bets={[...bets].reverse()} />
+    </Col>
+  )
+}
 
 export const ContractOverview = (props: {
   contract: Contract
   bets: Bet[]
-  className?: string
 }) => {
-  const { contract, bets, className } = props
+  const { contract, bets } = props
-  const { question, creatorId, outcomeType, resolution } = contract
+  switch (contract.outcomeType) {
-
+    case 'BINARY':
-  const user = useUser()
+      return <BinaryOverview contract={contract} bets={bets} />
-  const isCreator = user?.id === creatorId
+    case 'NUMERIC':
-
+      return <NumericOverview contract={contract} />
-  const isBinary = outcomeType === 'BINARY'
+    case 'PSEUDO_NUMERIC':
-  const isPseudoNumeric = outcomeType === 'PSEUDO_NUMERIC'
+      return <PseudoNumericOverview contract={contract} bets={bets} />
-
+    case 'FREE_RESPONSE':
-  return (
+    case 'MULTIPLE_CHOICE':
-    <Col className={clsx('mb-6', className)}>
+      return <ChoiceOverview contract={contract} bets={bets} />
-      <Col className="gap-3 px-2 sm:gap-4">
+  }
-        <Row className="justify-between gap-4">
-          <div className="text-2xl text-indigo-700 md:text-3xl">
-            <Linkify text={question} />
-          </div>
-          {(outcomeType === 'FREE_RESPONSE' ||
-            outcomeType === 'MULTIPLE_CHOICE') &&
-            !resolution && (
-              <div className={'sm:hidden'}>
-                <LikeMarketButton contract={contract} user={user} />
-              </div>
-            )}
-          <Row className={'hidden gap-3 xl:flex'}>
-            {isBinary && (
-              <BinaryResolutionOrChance
-                className="items-end"
-                contract={contract}
-                large
-              />
-            )}
-
-            {isPseudoNumeric && (
-              <PseudoNumericResolutionOrExpectation
-                contract={contract}
-                className="items-end"
-              />
-            )}
-
-            {outcomeType === 'NUMERIC' && (
-              <NumericResolutionOrExpectation
-                contract={contract}
-                className="items-end"
-              />
-            )}
-          </Row>
-        </Row>
-
-        {isBinary ? (
-          <Row className="items-center justify-between gap-4 xl:hidden">
-            <BinaryResolutionOrChance contract={contract} />
-            {tradingAllowed(contract) && (
-              <Row>
-                <div className={'sm:hidden'}>
-                  <LikeMarketButton contract={contract} user={user} />
-                </div>
-                <Col>
-                  <BetButton contract={contract as CPMMBinaryContract} />
-                  {!user && (
-                    <div className="mt-1 text-center text-sm text-gray-500">
-                      (with play money!)
-                    </div>
-                  )}
-                </Col>
-              </Row>
-            )}
-          </Row>
-        ) : isPseudoNumeric ? (
-          <Row className="items-center justify-between gap-4 xl:hidden">
-            <PseudoNumericResolutionOrExpectation contract={contract} />
-            {tradingAllowed(contract) && (
-              <Row>
-                <div className={'sm:hidden'}>
-                  <LikeMarketButton contract={contract} user={user} />
-                </div>
-                <Col>
-                  <BetButton contract={contract} />
-                  {!user && (
-                    <div className="mt-1 text-center text-sm text-gray-500">
-                      (with play money!)
-                    </div>
-                  )}
-                </Col>
-              </Row>
-            )}
-          </Row>
-        ) : (
-          (outcomeType === 'FREE_RESPONSE' ||
-            outcomeType === 'MULTIPLE_CHOICE') &&
-          resolution && (
-            <FreeResponseResolutionOrChance
-              contract={contract}
-              truncate="none"
-            />
-          )
-        )}
-
-        {outcomeType === 'NUMERIC' && (
-          <Row className="items-center justify-between gap-4 xl:hidden">
-            <NumericResolutionOrExpectation contract={contract} />
-          </Row>
-        )}
-
-        <ContractDetails
-          contract={contract}
-          bets={bets}
-          isCreator={isCreator}
-          user={user}
-        />
-      </Col>
-      <div className={'my-1 md:my-2'}></div>
-      {(isBinary || isPseudoNumeric) && (
-        <ContractProbGraph contract={contract} bets={bets} />
-      )}{' '}
-      {(outcomeType === 'FREE_RESPONSE' ||
-        outcomeType === 'MULTIPLE_CHOICE') && (
-        <AnswersGraph contract={contract} bets={bets} />
-      )}
-      {outcomeType === 'NUMERIC' && <NumericGraph contract={contract} />}
-      <ShareRow user={user} contract={contract} />
-      <ContractDescription
-        className="px-2"
-        contract={contract}
-        isCreator={isCreator}
-      />
-    </Col>
-  )
 }

web/components/contract/contracts-grid.tsx

@@ -27,6 +27,7 @@ export function ContractsGrid(props: {
   }
   highlightOptions?: ContractHighlightOptions
   trackingPostfix?: string
+  breakpointColumns?: { [key: string]: number }
 }) {
   const {
     contracts,
@@ -67,7 +68,7 @@ export function ContractsGrid(props: {
     <Col className="gap-8">
       <Masonry
         // Show only 1 column on tailwind's md breakpoint (768px)
-        breakpointCols={{ default: 2, 768: 1 }}
+        breakpointCols={props.breakpointColumns ?? { default: 2, 768: 1 }}
         className="-ml-4 flex w-auto"
         columnClassName="pl-4 bg-clip-padding"
       >

web/components/contract/extra-contract-actions-row.tsx

@@ -3,31 +3,30 @@ import { ShareIcon } from '@heroicons/react/outline'
 
 import { Row } from '../layout/row'
 import { Contract } from 'web/lib/firebase/contracts'
-import { useState } from 'react'
+import React, { useState } from 'react'
 import { Button } from 'web/components/button'
-import { CreateChallengeModal } from '../challenges/create-challenge-modal'
+import { useUser } from 'web/hooks/use-user'
-import { User } from 'common/user'
-import { CHALLENGES_ENABLED } from 'common/challenge'
 import { ShareModal } from './share-modal'
-import { withTracking } from 'web/lib/service/analytics'
 import { FollowMarketButton } from 'web/components/follow-market-button'
 import { LikeMarketButton } from 'web/components/contract/like-market-button'
+import { ContractInfoDialog } from 'web/components/contract/contract-info-dialog'
+import { Col } from 'web/components/layout/col'
+import { withTracking } from 'web/lib/service/analytics'
+import { CreateChallengeModal } from 'web/components/challenges/create-challenge-modal'
+import { CHALLENGES_ENABLED } from 'common/challenge'
 
-export function ShareRow(props: {
+export function ExtraContractActionsRow(props: { contract: Contract }) {
-  contract: Contract
+  const { contract } = props
-  user: User | undefined | null
-}) {
-  const { user, contract } = props
   const { outcomeType, resolution } = contract
-
+  const user = useUser()
+  const [isShareOpen, setShareOpen] = useState(false)
+  const [openCreateChallengeModal, setOpenCreateChallengeModal] =
+    useState(false)
   const showChallenge =
     user && outcomeType === 'BINARY' && !resolution && CHALLENGES_ENABLED
 
-  const [isOpen, setIsOpen] = useState(false)
-  const [isShareOpen, setShareOpen] = useState(false)
-
   return (
-    <Row className="mt-0.5 sm:mt-2">
+    <Row className={'mt-0.5 justify-around sm:mt-2 lg:justify-start'}>
       <Button
         size="lg"
         color="gray-white"
@@ -36,8 +35,14 @@ export function ShareRow(props: {
           setShareOpen(true)
         }}
       >
-        <ShareIcon className={clsx('mr-2 h-[24px] w-5')} aria-hidden="true" />
+        <Col className={'items-center sm:flex-row'}>
-        Share
+          <ShareIcon
+            className={clsx('h-[24px] w-5 sm:mr-2')}
+            aria-hidden="true"
+          />
+          <span>Share</span>
+        </Col>
+
         <ShareModal
           isOpen={isShareOpen}
           setOpen={setShareOpen}
@@ -45,29 +50,33 @@ export function ShareRow(props: {
           user={user}
         />
       </Button>
-
       {showChallenge && (
         <Button
           size="lg"
           color="gray-white"
+          className={'flex hidden max-w-xs self-center sm:inline-block'}
           onClick={withTracking(
-            () => setIsOpen(true),
+            () => setOpenCreateChallengeModal(true),
             'click challenge button'
           )}
         >
-          ⚔️ Challenge
+          <span>⚔️ Challenge</span>
           <CreateChallengeModal
-            isOpen={isOpen}
+            isOpen={openCreateChallengeModal}
-            setOpen={setIsOpen}
+            setOpen={setOpenCreateChallengeModal}
             user={user}
             contract={contract}
           />
         </Button>
       )}
+
       <FollowMarketButton contract={contract} user={user} />
-      <div className={'hidden sm:block'}>
+      {user?.id !== contract.creatorId && (
         <LikeMarketButton contract={contract} user={user} />
-      </div>
+      )}
+      <Col className={'justify-center md:hidden'}>
+        <ContractInfoDialog contract={contract} />
+      </Col>
     </Row>
   )
 }

web/components/contract/like-market-button.tsx

@@ -1,33 +1,37 @@
 import { HeartIcon } from '@heroicons/react/outline'
 import { Button } from 'web/components/button'
-import React from 'react'
+import React, { useMemo } from 'react'
 import { Contract } from 'common/contract'
 import { User } from 'common/user'
 import { useUserLikes } from 'web/hooks/use-likes'
 import toast from 'react-hot-toast'
 import { formatMoney } from 'common/util/format'
-import { likeContract, unLikeContract } from 'web/lib/firebase/likes'
+import { likeContract } from 'web/lib/firebase/likes'
 import { LIKE_TIP_AMOUNT } from 'common/like'
 import clsx from 'clsx'
-import { Row } from 'web/components/layout/row'
+import { Col } from 'web/components/layout/col'
+import { firebaseLogin } from 'web/lib/firebase/users'
+import { useMarketTipTxns } from 'web/hooks/use-tip-txns'
+import { sum } from 'lodash'
 
 export function LikeMarketButton(props: {
   contract: Contract
   user: User | null | undefined
 }) {
   const { contract, user } = props
-
+  const tips = useMarketTipTxns(contract.id).filter(
+    (txn) => txn.fromId === user?.id
+  )
+  const totalTipped = useMemo(() => {
+    return sum(tips.map((tip) => tip.amount))
+  }, [tips])
   const likes = useUserLikes(user?.id)
-  const likedContractIds = likes
+  const userLikedContractIds = likes
     ?.filter((l) => l.type === 'contract')
     .map((l) => l.id)
-  if (!user) return <div />
 
   const onLike = async () => {
-    if (likedContractIds?.includes(contract.id)) {
+    if (!user) return firebaseLogin()
-      await unLikeContract(user.id, contract.id)
-      return
-    }
     await likeContract(user, contract)
     toast(`You tipped ${contract.creatorName} ${formatMoney(LIKE_TIP_AMOUNT)}!`)
   }
@@ -39,18 +43,19 @@ export function LikeMarketButton(props: {
       color={'gray-white'}
       onClick={onLike}
     >
-      <Row className={'gap-0 sm:gap-2'}>
+      <Col className={'items-center sm:flex-row sm:gap-x-2'}>
         <HeartIcon
           className={clsx(
             'h-6 w-6',
-            likedContractIds?.includes(contract.id) ||
+            user &&
-              (!likes && contract.likedByUserIds?.includes(user.id))
+              (userLikedContractIds?.includes(contract.id) ||
+                (!likes && contract.likedByUserIds?.includes(user.id)))
               ? 'fill-red-500 text-red-500'
               : ''
           )}
         />
-        <span className={'hidden sm:block'}>Tip</span>
+        Tip {totalTipped > 0 ? `(${formatMoney(totalTipped)})` : ''}
-      </Row>
+      </Col>
     </Button>
   )
 }

web/components/contract/share-modal.tsx

@@ -12,12 +12,15 @@ import { TweetButton } from '../tweet-button'
 import { DuplicateContractButton } from '../copy-contract-button'
 import { Button } from '../button'
 import { copyToClipboard } from 'web/lib/util/copy'
-import { track } from 'web/lib/service/analytics'
+import { track, withTracking } from 'web/lib/service/analytics'
 import { ENV_CONFIG } from 'common/envs/constants'
 import { User } from 'common/user'
 import { SiteLink } from '../site-link'
 import { formatMoney } from 'common/util/format'
 import { REFERRAL_AMOUNT } from 'common/economy'
+import { CreateChallengeModal } from 'web/components/challenges/create-challenge-modal'
+import { useState } from 'react'
+import { CHALLENGES_ENABLED } from 'common/challenge'
 
 export function ShareModal(props: {
   contract: Contract
@@ -26,8 +29,13 @@ export function ShareModal(props: {
   setOpen: (open: boolean) => void
 }) {
   const { contract, user, isOpen, setOpen } = props
+  const { outcomeType, resolution } = contract
 
+  const [openCreateChallengeModal, setOpenCreateChallengeModal] =
+    useState(false)
   const linkIcon = <LinkIcon className="mr-2 h-6 w-6" aria-hidden="true" />
+  const showChallenge =
+    user && outcomeType === 'BINARY' && !resolution && CHALLENGES_ENABLED
 
   const shareUrl = `https://${ENV_CONFIG.domain}${contractPath(contract)}${
     user?.username && contract.creatorUsername !== user?.username
@@ -37,7 +45,7 @@ export function ShareModal(props: {
 
   return (
     <Modal open={isOpen} setOpen={setOpen} size="md">
-      <Col className="gap-4 rounded bg-white p-4">
+      <Col className="gap-2.5 rounded  bg-white p-4 sm:gap-4">
         <Title className="!mt-0 !mb-2" text="Share this market" />
         <p>
           Earn{' '}
@@ -46,11 +54,10 @@ export function ShareModal(props: {
           </SiteLink>{' '}
           if a new user signs up using the link!
         </p>
-
         <Button
           size="2xl"
           color="gradient"
-          className={'mb-2 flex max-w-xs self-center'}
+          className={'flex max-w-xs self-center'}
           onClick={() => {
             copyToClipboard(shareUrl)
             toast.success('Link copied!', {
@@ -61,8 +68,32 @@ export function ShareModal(props: {
         >
           {linkIcon} Copy link
         </Button>
-
+        <Row className={'justify-center'}>or</Row>
-        <Row className="z-0 justify-start gap-4 self-center">
+        {showChallenge && (
+          <Button
+            size="2xl"
+            color="gradient"
+            className={'mb-2 flex max-w-xs self-center'}
+            onClick={withTracking(
+              () => setOpenCreateChallengeModal(true),
+              'click challenge button'
+            )}
+          >
+            <span>⚔️ Challenge</span>
+            <CreateChallengeModal
+              isOpen={openCreateChallengeModal}
+              setOpen={(open) => {
+                if (!open) {
+                  setOpenCreateChallengeModal(false)
+                  setOpen(false)
+                } else setOpenCreateChallengeModal(open)
+              }}
+              user={user}
+              contract={contract}
+            />
+          </Button>
+        )}
+        <Row className="z-0 flex-wrap justify-center gap-4 self-center">
           <TweetButton
             className="self-start"
             tweetText={getTweetText(contract, shareUrl)}

web/components/create-question-button.tsx

@@ -1,27 +1,13 @@
 import React from 'react'
 import Link from 'next/link'
-import clsx from 'clsx'
-
-import { User } from 'web/lib/firebase/users'
 import { Button } from './button'
 
-export const CreateQuestionButton = (props: {
+export const CreateQuestionButton = () => {
-  user: User | null | undefined
-  overrideText?: string
-  className?: string
-  query?: string
-}) => {
-  const { user, overrideText, className, query } = props
-
-  if (!user || user?.isBannedFromPosting) return <></>
-
   return (
-    <div className={clsx('flex justify-center', className)}>
+    <Link href="/create" passHref>
-      <Link href={`/create${query ? query : ''}`} passHref>
       <Button color="gradient" size="xl" className="mt-4">
-          {overrideText ?? 'Create a market'}
+        Create a market
       </Button>
     </Link>
-    </div>
   )
 }

web/components/double-carousel.tsx

@@ -0,0 +1,52 @@
+import { Contract } from 'common/contract'
+import { range } from 'lodash'
+import { Carousel } from 'web/components/carousel'
+import { ContractCard } from 'web/components/contract/contract-card'
+import { ShowTime } from 'web/components/contract/contract-details'
+import { Col } from 'web/components/layout/col'
+
+export function DoubleCarousel(props: {
+  contracts: Contract[]
+  seeMoreUrl?: string
+  showTime?: ShowTime
+  loadMore?: () => void
+}) {
+  const { contracts, showTime, loadMore } = props
+  return (
+    <Carousel className="-mx-4 mt-2 sm:-mx-10" loadMore={loadMore}>
+      <div className="shrink-0 sm:w-6" />
+      {contracts.length >= 6
+        ? range(0, Math.floor(contracts.length / 2)).map((col) => {
+            const i = col * 2
+            return (
+              <Col key={contracts[i].id}>
+                <ContractCard
+                  contract={contracts[i]}
+                  className="mb-2 w-96 shrink-0"
+                  questionClass="line-clamp-3"
+                  trackingPostfix=" tournament"
+                  showTime={showTime}
+                />
+                <ContractCard
+                  contract={contracts[i + 1]}
+                  className="mb-2 w-96 shrink-0"
+                  questionClass="line-clamp-3"
+                  trackingPostfix=" tournament"
+                  showTime={showTime}
+                />
+              </Col>
+            )
+          })
+        : contracts.map((c) => (
+            <ContractCard
+              key={c.id}
+              contract={c}
+              className="mb-2 max-h-[220px] w-96 shrink-0"
+              questionClass="line-clamp-3"
+              trackingPostfix=" tournament"
+              showTime={showTime}
+            />
+          ))}
+    </Carousel>
+  )
+}

web/components/editor.tsx

@@ -73,7 +73,9 @@ export function useTextEditor(props: {
   const editorClass = clsx(
     proseClass,
     !simple && 'min-h-[6em]',
-    'outline-none pt-2 px-4'
+    'outline-none pt-2 px-4',
+    'prose-img:select-auto',
+    '[&_.ProseMirror-selectednode]:outline-dotted [&_*]:outline-indigo-300' // selected img, emebeds
   )
 
   const editor = useEditor(
@@ -108,10 +110,7 @@ export function useTextEditor(props: {
   editor?.setOptions({
     editorProps: {
       handlePaste(view, event) {
-        const imageFiles = Array.from(event.clipboardData?.files ?? []).filter(
+        const imageFiles = getImages(event.clipboardData)
-          (file) => file.type.startsWith('image')
-        )
-
         if (imageFiles.length) {
           event.preventDefault()
           upload.mutate(imageFiles)
@@ -126,6 +125,13 @@ export function useTextEditor(props: {
 
         return // Otherwise, use default paste handler
       },
+      handleDrop(_view, event, _slice, moved) {
+        // if dragged from outside
+        if (!moved) {
+          event.preventDefault()
+          upload.mutate(getImages(event.dataTransfer))
+        }
+      },
     },
   })
 
@@ -136,6 +142,9 @@ export function useTextEditor(props: {
   return { editor, upload }
 }
 
+const getImages = (data: DataTransfer | null) =>
+  Array.from(data?.files ?? []).filter((file) => file.type.startsWith('image'))
+
 function isValidIframe(text: string) {
   return /^<iframe.*<\/iframe>$/.test(text)
 }
@@ -157,7 +166,7 @@ export function TextEditor(props: {
           <EditorContent editor={editor} />
           {/* Toolbar, with buttons for images and embeds */}
           <div className="flex h-9 items-center gap-5 pl-4 pr-1">
-            <Tooltip className="flex items-center" text="Add image" noTap>
+            <Tooltip text="Add image" noTap noFade>
               <FileUploadButton
                 onFiles={upload.mutate}
                 className="-m-2.5 flex h-10 w-10 items-center justify-center rounded-full text-gray-400 hover:text-gray-500"
@@ -165,7 +174,7 @@ export function TextEditor(props: {
                 <PhotographIcon className="h-5 w-5" aria-hidden="true" />
               </FileUploadButton>
             </Tooltip>
-            <Tooltip className="flex items-center" text="Add embed" noTap>
+            <Tooltip text="Add embed" noTap noFade>
               <button
                 type="button"
                 onClick={() => setIframeOpen(true)}
@@ -179,7 +188,7 @@ export function TextEditor(props: {
                 <CodeIcon className="h-5 w-5" aria-hidden="true" />
               </button>
             </Tooltip>
-            <Tooltip className="flex items-center" text="Add market" noTap>
+            <Tooltip text="Add market" noTap noFade>
               <button
                 type="button"
                 onClick={() => setMarketOpen(true)}

web/components/editor/market-modal.tsx

@@ -7,7 +7,7 @@ import { Col } from '../layout/col'
 import { Modal } from '../layout/modal'
 import { Row } from '../layout/row'
 import { LoadingIndicator } from '../loading-indicator'
-import { embedCode } from '../share-embed-button'
+import { embedContractCode, embedContractGridCode } from '../share-embed-button'
 import { insertContent } from './utils'
 
 export function MarketModal(props: {
@@ -28,7 +28,11 @@ export function MarketModal(props: {
 
   async function doneAddingContracts() {
     setLoading(true)
-    insertContent(editor, ...contracts.map(embedCode))
+    if (contracts.length == 1) {
+      insertContent(editor, embedContractCode(contracts[0]))
+    } else if (contracts.length > 1) {
+      insertContent(editor, embedContractGridCode(contracts))
+    }
     setLoading(false)
     setOpen(false)
     setContracts([])
@@ -42,9 +46,14 @@ export function MarketModal(props: {
 
           {!loading && (
             <Row className="grow justify-end gap-4">
-              {contracts.length > 0 && (
+              {contracts.length == 1 && (
                 <Button onClick={doneAddingContracts} color={'indigo'}>
-                  Embed {contracts.length} question
+                  Embed 1 question
+                </Button>
+              )}
+              {contracts.length > 1 && (
+                <Button onClick={doneAddingContracts} color={'indigo'}>
+                  Embed grid of {contracts.length} question
                   {contracts.length > 1 && 's'}
                 </Button>
               )}

web/components/feed/contract-activity.tsx

@@ -84,7 +84,10 @@ export function ContractCommentsActivity(props: {
           user={user}
           contract={contract}
           parentComment={parent}
-          threadComments={commentsByParentId[parent.id] ?? []}
+          threadComments={sortBy(
+            commentsByParentId[parent.id] ?? [],
+            (c) => c.createdTime
+          )}
           tips={tips}
           bets={bets}
           betsByUserId={betsByUserId}
@@ -132,7 +135,10 @@ export function FreeResponseContractCommentsActivity(props: {
             contract={contract}
             user={user}
             answer={answer}
-            answerComments={commentsByOutcome[answer.number.toString()] ?? []}
+            answerComments={sortBy(
+              commentsByOutcome[answer.number.toString()] ?? [],
+              (c) => c.createdTime
+            )}
             tips={tips}
             betsByUserId={betsByUserId}
             commentsByUserId={commentsByUserId}

web/components/feed/feed-liquidity.tsx

@@ -1,3 +1,4 @@
+import clsx from 'clsx'
 import dayjs from 'dayjs'
 import { User } from 'common/user'
 import { useUser, useUserById } from 'web/hooks/use-user'
@@ -24,7 +25,6 @@ export function FeedLiquidity(props: {
   const isSelf = user?.id === userId
 
   return (
-    <>
     <Row className="flex w-full gap-2 pt-3">
       {isSelf ? (
         <Avatar avatarUrl={user.avatarUrl} username={user.username} />
@@ -35,15 +35,13 @@ export function FeedLiquidity(props: {
           <EmptyAvatar />
         </div>
       )}
-        <div className={'min-w-0 flex-1 py-1.5'}>
       <LiquidityStatusText
         liquidity={liquidity}
         isSelf={isSelf}
         bettor={bettor}
+        className={'flex-1'}
       />
-        </div>
     </Row>
-    </>
   )
 }
 
@@ -51,8 +49,9 @@ export function LiquidityStatusText(props: {
   liquidity: LiquidityProvision
   isSelf: boolean
   bettor?: User
+  className?: string
 }) {
-  const { liquidity, bettor, isSelf } = props
+  const { liquidity, bettor, isSelf, className } = props
   const { amount, createdTime } = liquidity
 
   // TODO: Withdrawn liquidity will never be shown, since liquidity amounts currently are zeroed out upon withdrawal.
@@ -60,7 +59,7 @@ export function LiquidityStatusText(props: {
   const money = formatMoney(Math.abs(amount))
 
   return (
-    <div className="text-sm text-gray-500">
+    <div className={clsx(className, 'text-sm text-gray-500')}>
       {bettor ? (
         <UserLink name={bettor.name} username={bettor.username} />
       ) : (

web/components/feed/find-active-contracts.ts

@@ -1,99 +0,0 @@
-import { groupBy, mapValues, maxBy, sortBy } from 'lodash'
-import { Contract } from 'web/lib/firebase/contracts'
-import { ContractComment } from 'common/comment'
-import { Bet } from 'common/bet'
-
-const MAX_ACTIVE_CONTRACTS = 75
-
-// This does NOT include comment times, since those aren't part of the contract atm.
-// TODO: Maybe store last activity time directly in the contract?
-// Pros: simplifies this code; cons: harder to tweak "activity" definition later
-function lastActivityTime(contract: Contract) {
-  return Math.max(contract.resolutionTime || 0, contract.createdTime)
-}
-
-// Types of activity to surface:
-// - Comment on a market
-// - New market created
-// - Market resolved
-// - Bet on market
-export function findActiveContracts(
-  allContracts: Contract[],
-  recentComments: ContractComment[],
-  recentBets: Bet[],
-  seenContracts: { [contractId: string]: number }
-) {
-  const idToActivityTime = new Map<string, number>()
-  function record(contractId: string, time: number) {
-    // Only record if the time is newer
-    const oldTime = idToActivityTime.get(contractId)
-    idToActivityTime.set(contractId, Math.max(oldTime ?? 0, time))
-  }
-
-  const contractsById = new Map(allContracts.map((c) => [c.id, c]))
-
-  // Record contract activity.
-  for (const contract of allContracts) {
-    record(contract.id, lastActivityTime(contract))
-  }
-
-  // Add every contract that had a recent comment, too
-  for (const comment of recentComments) {
-    if (comment.contractId) {
-      const contract = contractsById.get(comment.contractId)
-      if (contract) record(contract.id, comment.createdTime)
-    }
-  }
-
-  // Add contracts by last bet time.
-  const contractBets = groupBy(recentBets, (bet) => bet.contractId)
-  const contractMostRecentBet = mapValues(
-    contractBets,
-    (bets) => maxBy(bets, (bet) => bet.createdTime) as Bet
-  )
-  for (const bet of Object.values(contractMostRecentBet)) {
-    const contract = contractsById.get(bet.contractId)
-    if (contract) record(contract.id, bet.createdTime)
-  }
-
-  let activeContracts = allContracts.filter(
-    (contract) =>
-      contract.visibility === 'public' &&
-      !contract.isResolved &&
-      (contract.closeTime ?? Infinity) > Date.now()
-  )
-  activeContracts = sortBy(
-    activeContracts,
-    (c) => -(idToActivityTime.get(c.id) ?? 0)
-  )
-
-  const contractComments = groupBy(
-    recentComments,
-    (comment) => comment.contractId
-  )
-  const contractMostRecentComment = mapValues(
-    contractComments,
-    (comments) => maxBy(comments, (c) => c.createdTime) as ContractComment
-  )
-
-  const prioritizedContracts = sortBy(activeContracts, (c) => {
-    const seenTime = seenContracts[c.id]
-    if (!seenTime) {
-      return 0
-    }
-
-    const lastCommentTime = contractMostRecentComment[c.id]?.createdTime
-    if (lastCommentTime && lastCommentTime > seenTime) {
-      return 1
-    }
-
-    const lastBetTime = contractMostRecentBet[c.id]?.createdTime
-    if (lastBetTime && lastBetTime > seenTime) {
-      return 2
-    }
-
-    return seenTime
-  })
-
-  return prioritizedContracts.slice(0, MAX_ACTIVE_CONTRACTS)
-}

web/components/follow-market-button.tsx

@@ -13,7 +13,7 @@ import { firebaseLogin, updateUser } from 'web/lib/firebase/users'
 import { track } from 'web/lib/service/analytics'
 import { FollowMarketModal } from 'web/components/contract/follow-market-modal'
 import { useState } from 'react'
-import { Row } from 'web/components/layout/row'
+import { Col } from 'web/components/layout/col'
 
 export const FollowMarketButton = (props: {
   contract: Contract
@@ -55,15 +55,15 @@ export const FollowMarketButton = (props: {
       }}
     >
       {followers?.includes(user?.id ?? 'nope') ? (
-        <Row className={'gap-2'}>
+        <Col className={'items-center gap-x-2 sm:flex-row'}>
           <EyeOffIcon className={clsx('h-6 w-6')} aria-hidden="true" />
           Unwatch
-        </Row>
+        </Col>
       ) : (
-        <Row className={'gap-2'}>
+        <Col className={'items-center gap-x-2 sm:flex-row'}>
           <EyeIcon className={clsx('h-6 w-6')} aria-hidden="true" />
           Watch
-        </Row>
+        </Col>
       )}
       <FollowMarketModal
         open={open}

web/components/following-button.tsx

@@ -2,9 +2,9 @@ import clsx from 'clsx'
 import { PencilIcon } from '@heroicons/react/outline'
 
 import { User } from 'common/user'
-import { useEffect, useState } from 'react'
+import { useState } from 'react'
 import { useFollowers, useFollows } from 'web/hooks/use-follows'
-import { prefetchUsers, useUser } from 'web/hooks/use-user'
+import { usePrefetchUsers, useUser } from 'web/hooks/use-user'
 import { FollowList } from './follow-list'
 import { Col } from './layout/col'
 import { Modal } from './layout/modal'
@@ -105,16 +105,9 @@ function FollowsDialog(props: {
   const { user, followingIds, followerIds, defaultTab, isOpen, setIsOpen } =
     props
 
-  useEffect(() => {
-    prefetchUsers([...followingIds, ...followerIds])
-  }, [followingIds, followerIds])
-
   const currentUser = useUser()
-
   const discoverUserIds = useDiscoverUsers(user?.id)
-  useEffect(() => {
+  usePrefetchUsers([...followingIds, ...followerIds, ...discoverUserIds])
-    prefetchUsers(discoverUserIds)
-  }, [discoverUserIds])
 
   return (
     <Modal open={isOpen} setOpen={setIsOpen}>

web/components/groups/contract-groups-list.tsx

@@ -7,22 +7,30 @@ import { Button } from 'web/components/button'
 import { GroupSelector } from 'web/components/groups/group-selector'
 import {
   addContractToGroup,
-  canModifyGroupContracts,
   removeContractFromGroup,
 } from 'web/lib/firebase/groups'
 import { User } from 'common/user'
 import { Contract } from 'common/contract'
 import { SiteLink } from 'web/components/site-link'
-import { GroupLink } from 'common/group'
+import { useGroupsWithContract, useMemberGroupIds } from 'web/hooks/use-group'
-import { useGroupsWithContract } from 'web/hooks/use-group'
+import { Group } from 'common/group'
 
 export function ContractGroupsList(props: {
-  groupLinks: GroupLink[]
   contract: Contract
   user: User | null | undefined
 }) {
-  const { groupLinks, user, contract } = props
+  const { user, contract } = props
+  const { groupLinks } = contract
   const groups = useGroupsWithContract(contract)
+  const memberGroupIds = useMemberGroupIds(user)
+
+  const canModifyGroupContracts = (group: Group, userId: string) => {
+    return (
+      group.creatorId === userId ||
+      group.anyoneCanJoin ||
+      memberGroupIds?.includes(group.id)
+    )
+  }
   return (
     <Col className={'gap-2'}>
       <span className={'text-xl text-indigo-700'}>
@@ -35,7 +43,7 @@ export function ContractGroupsList(props: {
             options={{
               showSelector: true,
               showLabel: false,
-              ignoreGroupIds: groupLinks.map((g) => g.groupId),
+              ignoreGroupIds: groupLinks?.map((g) => g.groupId),
             }}
             setSelectedGroup={(group) =>
               group && addContractToGroup(group, contract, user.id)
@@ -62,7 +70,7 @@ export function ContractGroupsList(props: {
             <Button
               color={'gray-white'}
               size={'xs'}
-              onClick={() => removeContractFromGroup(group, contract, user.id)}
+              onClick={() => removeContractFromGroup(group, contract)}
             >
               <XIcon className="h-4 w-4 text-gray-500" />
             </Button>

web/components/groups/edit-group-button.tsx

@@ -3,17 +3,16 @@ import clsx from 'clsx'
 import { PencilIcon } from '@heroicons/react/outline'
 
 import { Group } from 'common/group'
-import { deleteGroup, updateGroup } from 'web/lib/firebase/groups'
+import { deleteGroup, joinGroup } from 'web/lib/firebase/groups'
 import { Spacer } from '../layout/spacer'
 import { useRouter } from 'next/router'
 import { Modal } from 'web/components/layout/modal'
 import { FilterSelectUsers } from 'web/components/filter-select-users'
 import { User } from 'common/user'
-import { uniq } from 'lodash'
+import { useMemberIds } from 'web/hooks/use-group'
 
 export function EditGroupButton(props: { group: Group; className?: string }) {
   const { group, className } = props
-  const { memberIds } = group
   const router = useRouter()
 
   const [name, setName] = useState(group.name)
@@ -21,7 +20,7 @@ export function EditGroupButton(props: { group: Group; className?: string }) {
   const [open, setOpen] = useState(false)
   const [isSubmitting, setIsSubmitting] = useState(false)
   const [addMemberUsers, setAddMemberUsers] = useState<User[]>([])
-
+  const memberIds = useMemberIds(group.id)
   function updateOpen(newOpen: boolean) {
     setAddMemberUsers([])
     setOpen(newOpen)
@@ -33,11 +32,7 @@ export function EditGroupButton(props: { group: Group; className?: string }) {
   const onSubmit = async () => {
     setIsSubmitting(true)
 
-    await updateGroup(group, {
+    await Promise.all(addMemberUsers.map((user) => joinGroup(group, user.id)))
-      name,
-      about,
-      memberIds: uniq([...memberIds, ...addMemberUsers.map((user) => user.id)]),
-    })
 
     setIsSubmitting(false)
     updateOpen(false)

web/components/groups/group-about-post.tsx

@@ -1,4 +1,3 @@
-import { useAdmin } from 'web/hooks/use-admin'
 import { Row } from '../layout/row'
 import { Content } from '../editor'
 import { TextEditor, useTextEditor } from 'web/components/editor'
@@ -16,20 +15,15 @@ import { usePost } from 'web/hooks/use-post'
 
 export function GroupAboutPost(props: {
   group: Group
-  isCreator: boolean
+  isEditable: boolean
   post: Post
 }) {
-  const { group, isCreator } = props
+  const { group, isEditable } = props
   const post = usePost(group.aboutPostId) ?? props.post
-  const isAdmin = useAdmin()
-
-  if (group.aboutPostId == null && !isCreator) {
-    return <p className="text-center">No post has been created </p>
-  }
 
   return (
     <div className="rounded-md bg-white p-4">
-      {isCreator || isAdmin ? (
+      {isEditable ? (
         <RichEditGroupAboutPost group={group} post={post} />
       ) : (
         <Content content={post.content} />

web/components/groups/group-chat.tsx

@@ -1,391 +0,0 @@
-import { Row } from 'web/components/layout/row'
-import { Col } from 'web/components/layout/col'
-import { PrivateUser, User } from 'common/user'
-import React, { useEffect, memo, useState, useMemo } from 'react'
-import { Avatar } from 'web/components/avatar'
-import { Group } from 'common/group'
-import { Comment, GroupComment } from 'common/comment'
-import { createCommentOnGroup } from 'web/lib/firebase/comments'
-import { CommentInputTextArea } from 'web/components/feed/feed-comments'
-import { track } from 'web/lib/service/analytics'
-import { firebaseLogin } from 'web/lib/firebase/users'
-import { useRouter } from 'next/router'
-import clsx from 'clsx'
-import { CopyLinkDateTimeComponent } from 'web/components/feed/copy-link-date-time'
-import { CommentTipMap, CommentTips } from 'web/hooks/use-tip-txns'
-import { Tipper } from 'web/components/tipper'
-import { sum } from 'lodash'
-import { formatMoney } from 'common/util/format'
-import { useWindowSize } from 'web/hooks/use-window-size'
-import { Content, useTextEditor } from 'web/components/editor'
-import { useUnseenNotifications } from 'web/hooks/use-notifications'
-import { ChevronDownIcon, UsersIcon } from '@heroicons/react/outline'
-import { setNotificationsAsSeen } from 'web/pages/notifications'
-import { usePrivateUser } from 'web/hooks/use-user'
-import { UserLink } from 'web/components/user-link'
-
-export function GroupChat(props: {
-  messages: GroupComment[]
-  user: User | null | undefined
-  group: Group
-  tips: CommentTipMap
-}) {
-  const { messages, user, group, tips } = props
-
-  const privateUser = usePrivateUser()
-
-  const { editor, upload } = useTextEditor({
-    simple: true,
-    placeholder: 'Send a message',
-  })
-  const [isSubmitting, setIsSubmitting] = useState(false)
-  const [scrollToBottomRef, setScrollToBottomRef] =
-    useState<HTMLDivElement | null>(null)
-  const [scrollToMessageId, setScrollToMessageId] = useState('')
-  const [scrollToMessageRef, setScrollToMessageRef] =
-    useState<HTMLDivElement | null>(null)
-  const [replyToUser, setReplyToUser] = useState<any>()
-
-  const router = useRouter()
-  const isMember = user && group.memberIds.includes(user?.id)
-
-  const { width, height } = useWindowSize()
-  const [containerRef, setContainerRef] = useState<HTMLDivElement | null>(null)
-  // Subtract bottom bar when it's showing (less than lg screen)
-  const bottomBarHeight = (width ?? 0) < 1024 ? 58 : 0
-  const remainingHeight =
-    (height ?? 0) - (containerRef?.offsetTop ?? 0) - bottomBarHeight
-
-  // array of groups, where each group is an array of messages that are displayed as one
-  const groupedMessages = useMemo(() => {
-    // Group messages with createdTime within 2 minutes of each other.
-    const tempGrouped: GroupComment[][] = []
-    for (let i = 0; i < messages.length; i++) {
-      const message = messages[i]
-      if (i === 0) tempGrouped.push([message])
-      else {
-        const prevMessage = messages[i - 1]
-        const diff = message.createdTime - prevMessage.createdTime
-        const creatorsMatch = message.userId === prevMessage.userId
-        if (diff < 2 * 60 * 1000 && creatorsMatch) {
-          tempGrouped.at(-1)?.push(message)
-        } else {
-          tempGrouped.push([message])
-        }
-      }
-    }
-
-    return tempGrouped
-  }, [messages])
-
-  useEffect(() => {
-    scrollToMessageRef?.scrollIntoView()
-  }, [scrollToMessageRef])
-
-  useEffect(() => {
-    if (scrollToBottomRef)
-      scrollToBottomRef.scrollTo({ top: scrollToBottomRef.scrollHeight || 0 })
-    // Must also listen to groupedMessages as they update the height of the messaging window
-  }, [scrollToBottomRef, groupedMessages])
-
-  useEffect(() => {
-    const elementInUrl = router.asPath.split('#')[1]
-    if (messages.map((m) => m.id).includes(elementInUrl)) {
-      setScrollToMessageId(elementInUrl)
-    }
-  }, [messages, router.asPath])
-
-  useEffect(() => {
-    // is mobile?
-    if (width && width > 720) focusInput()
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [width])
-
-  function onReplyClick(comment: Comment) {
-    setReplyToUser({ id: comment.userId, username: comment.userUsername })
-  }
-
-  async function submitMessage() {
-    if (!user) {
-      track('sign in to comment')
-      return await firebaseLogin()
-    }
-    if (!editor || editor.isEmpty || isSubmitting) return
-    setIsSubmitting(true)
-    await createCommentOnGroup(group.id, editor.getJSON(), user)
-    editor.commands.clearContent()
-    setIsSubmitting(false)
-    setReplyToUser(undefined)
-    focusInput()
-  }
-  function focusInput() {
-    editor?.commands.focus()
-  }
-
-  return (
-    <Col ref={setContainerRef} style={{ height: remainingHeight }}>
-      <Col
-        className={
-          'w-full flex-1 space-y-2 overflow-x-hidden overflow-y-scroll pt-2'
-        }
-        ref={setScrollToBottomRef}
-      >
-        {groupedMessages.map((messages) => (
-          <GroupMessage
-            user={user}
-            key={`group ${messages[0].id}`}
-            comments={messages}
-            group={group}
-            onReplyClick={onReplyClick}
-            highlight={messages[0].id === scrollToMessageId}
-            setRef={
-              scrollToMessageId === messages[0].id
-                ? setScrollToMessageRef
-                : undefined
-            }
-            tips={tips[messages[0].id] ?? {}}
-          />
-        ))}
-        {messages.length === 0 && (
-          <div className="p-2 text-gray-500">
-            No messages yet. Why not{isMember ? ` ` : ' join and '}
-            <button
-              className={'cursor-pointer font-bold text-gray-700'}
-              onClick={focusInput}
-            >
-              add one?
-            </button>
-          </div>
-        )}
-      </Col>
-      {user && group.memberIds.includes(user.id) && (
-        <div className="flex w-full justify-start gap-2 p-2">
-          <div className="mt-1">
-            <Avatar
-              username={user?.username}
-              avatarUrl={user?.avatarUrl}
-              size={'sm'}
-            />
-          </div>
-          <div className={'flex-1'}>
-            <CommentInputTextArea
-              editor={editor}
-              upload={upload}
-              user={user}
-              replyToUser={replyToUser}
-              submitComment={submitMessage}
-              isSubmitting={isSubmitting}
-              submitOnEnter
-            />
-          </div>
-        </div>
-      )}
-
-      {privateUser && (
-        <GroupChatNotificationsIcon
-          group={group}
-          privateUser={privateUser}
-          shouldSetAsSeen={true}
-          hidden={true}
-        />
-      )}
-    </Col>
-  )
-}
-
-export function GroupChatInBubble(props: {
-  messages: GroupComment[]
-  user: User | null | undefined
-  privateUser: PrivateUser | null | undefined
-  group: Group
-  tips: CommentTipMap
-}) {
-  const { messages, user, group, tips, privateUser } = props
-  const [shouldShowChat, setShouldShowChat] = useState(false)
-  const router = useRouter()
-
-  useEffect(() => {
-    const groupsWithChatEmphasis = [
-      'welcome',
-      'bugs',
-      'manifold-features-25bad7c7792e',
-      'updates',
-    ]
-    if (
-      router.asPath.includes('/chat') ||
-      groupsWithChatEmphasis.includes(
-        router.asPath.split('/group/')[1].split('/')[0]
-      )
-    ) {
-      setShouldShowChat(true)
-    }
-    // Leave chat open between groups if user is using chat?
-    else {
-      setShouldShowChat(false)
-    }
-  }, [router.asPath])
-
-  return (
-    <Col
-      className={clsx(
-        'fixed right-0 bottom-[0px] h-1 w-full sm:bottom-[20px] sm:right-20 sm:w-2/3 md:w-1/2 lg:right-24 lg:w-1/3 xl:right-32 xl:w-1/4',
-        shouldShowChat ? 'p-2m z-10 h-screen bg-white' : ''
-      )}
-    >
-      {shouldShowChat && (
-        <GroupChat messages={messages} user={user} group={group} tips={tips} />
-      )}
-      <button
-        type="button"
-        className={clsx(
-          'fixed right-1 inline-flex items-center rounded-full border md:right-2 lg:right-5 xl:right-10' +
-            ' border-transparent p-3 text-white shadow-sm lg:p-4' +
-            ' focus:outline-none focus:ring-2  focus:ring-offset-2 ' +
-            ' bottom-[70px] ',
-          shouldShowChat
-            ? 'bottom-auto top-2 bg-gray-600 hover:bg-gray-400 focus:ring-gray-500 sm:bottom-[70px] sm:top-auto '
-            : ' bg-indigo-600  hover:bg-indigo-700 focus:ring-indigo-500'
-        )}
-        onClick={() => {
-          // router.push('/chat')
-          setShouldShowChat(!shouldShowChat)
-          track('mobile group chat button')
-        }}
-      >
-        {!shouldShowChat ? (
-          <UsersIcon className="h-10 w-10" aria-hidden="true" />
-        ) : (
-          <ChevronDownIcon className={'h-10 w-10'} aria-hidden={'true'} />
-        )}
-        {privateUser && (
-          <GroupChatNotificationsIcon
-            group={group}
-            privateUser={privateUser}
-            shouldSetAsSeen={shouldShowChat}
-            hidden={false}
-          />
-        )}
-      </button>
-    </Col>
-  )
-}
-
-function GroupChatNotificationsIcon(props: {
-  group: Group
-  privateUser: PrivateUser
-  shouldSetAsSeen: boolean
-  hidden: boolean
-}) {
-  const { privateUser, group, shouldSetAsSeen, hidden } = props
-  const notificationsForThisGroup = useUnseenNotifications(
-    privateUser
-    // Disabled tracking by customHref for now.
-    // {
-    //   customHref: `/group/${group.slug}`,
-    // }
-  )
-
-  useEffect(() => {
-    if (!notificationsForThisGroup) return
-
-    notificationsForThisGroup.forEach((notification) => {
-      if (
-        (shouldSetAsSeen && notification.isSeenOnHref?.includes('chat')) ||
-        // old style chat notif that simply ended with the group slug
-        notification.isSeenOnHref?.endsWith(group.slug)
-      ) {
-        setNotificationsAsSeen([notification])
-      }
-    })
-  }, [group.slug, notificationsForThisGroup, shouldSetAsSeen])
-
-  return (
-    <div
-      className={
-        !hidden &&
-        notificationsForThisGroup &&
-        notificationsForThisGroup.length > 0 &&
-        !shouldSetAsSeen
-          ? 'absolute right-4 top-4 h-3 w-3 rounded-full border-2 border-white bg-red-500'
-          : 'hidden'
-      }
-    ></div>
-  )
-}
-
-const GroupMessage = memo(function GroupMessage_(props: {
-  user: User | null | undefined
-  comments: GroupComment[]
-  group: Group
-  onReplyClick?: (comment: Comment) => void
-  setRef?: (ref: HTMLDivElement) => void
-  highlight?: boolean
-  tips: CommentTips
-}) {
-  const { comments, onReplyClick, group, setRef, highlight, user, tips } = props
-  const first = comments[0]
-  const { id, userUsername, userName, userAvatarUrl, createdTime } = first
-
-  const isCreatorsComment = user && first.userId === user.id
-  return (
-    <Col
-      ref={setRef}
-      className={clsx(
-        isCreatorsComment ? 'mr-2 self-end' : '',
-        'w-fit max-w-sm gap-1 space-x-3 rounded-md bg-white p-1 text-sm text-gray-500 transition-colors duration-1000  sm:max-w-md sm:p-3 sm:leading-[1.3rem]',
-        highlight ? `-m-1 bg-indigo-500/[0.2] p-2` : ''
-      )}
-    >
-      <Row className={'items-center'}>
-        {!isCreatorsComment && (
-          <Col>
-            <Avatar
-              className={'mx-2 ml-2.5'}
-              size={'xs'}
-              username={userUsername}
-              avatarUrl={userAvatarUrl}
-            />
-          </Col>
-        )}
-        {!isCreatorsComment ? (
-          <UserLink username={userUsername} name={userName} />
-        ) : (
-          <span className={'ml-2.5'}>{'You'}</span>
-        )}
-        <CopyLinkDateTimeComponent
-          prefix={'group'}
-          slug={group.slug}
-          createdTime={createdTime}
-          elementId={id}
-        />
-      </Row>
-      <div className="mt-2 text-base text-black">
-        {comments.map((comment) => (
-          <Content
-            key={comment.id}
-            content={comment.content || comment.text}
-            smallImage
-          />
-        ))}
-      </div>
-      <Row>
-        {!isCreatorsComment && onReplyClick && (
-          <button
-            className={
-              'self-start py-1 text-xs font-bold text-gray-500 hover:underline'
-            }
-            onClick={() => onReplyClick(first)}
-          >
-            Reply
-          </button>
-        )}
-        {isCreatorsComment && sum(Object.values(tips)) > 0 && (
-          <span className={'text-primary'}>
-            {formatMoney(sum(Object.values(tips)))}
-          </span>
-        )}
-        {!isCreatorsComment && <Tipper comment={first} tips={tips} />}
-      </Row>
-    </Col>
-  )
-})

web/components/groups/groups-button.tsx

@@ -1,10 +1,10 @@
 import clsx from 'clsx'
 import { User } from 'common/user'
-import { useEffect, useState } from 'react'
+import { useState } from 'react'
 import { useUser } from 'web/hooks/use-user'
 import { withTracking } from 'web/lib/service/analytics'
 import { Row } from 'web/components/layout/row'
-import { useMemberGroups } from 'web/hooks/use-group'
+import { useMemberGroups, useMemberIds } from 'web/hooks/use-group'
 import { TextButton } from 'web/components/text-button'
 import { Group } from 'common/group'
 import { Modal } from 'web/components/layout/modal'
@@ -17,9 +17,7 @@ import toast from 'react-hot-toast'
 export function GroupsButton(props: { user: User }) {
   const { user } = props
   const [isOpen, setIsOpen] = useState(false)
-  const groups = useMemberGroups(user.id, undefined, {
+  const groups = useMemberGroups(user.id)
-    by: 'mostRecentChatActivityTime',
-  })
 
   return (
     <>
@@ -74,51 +72,34 @@ function GroupsList(props: { groups: Group[] }) {
 
 function GroupItem(props: { group: Group; className?: string }) {
   const { group, className } = props
+  const user = useUser()
+  const memberIds = useMemberIds(group.id)
   return (
     <Row className={clsx('items-center justify-between gap-2 p-2', className)}>
       <Row className="line-clamp-1 items-center gap-2">
         <GroupLinkItem group={group} />
       </Row>
-      <JoinOrLeaveGroupButton group={group} />
+      <JoinOrLeaveGroupButton
+        group={group}
+        user={user}
+        isMember={user ? memberIds?.includes(user.id) : false}
+      />
     </Row>
   )
 }
 
 export function JoinOrLeaveGroupButton(props: {
   group: Group
+  isMember: boolean
+  user: User | undefined | null
   small?: boolean
   className?: string
 }) {
-  const { group, small, className } = props
+  const { group, small, className, isMember, user } = props
-  const currentUser = useUser()
-  const [isMember, setIsMember] = useState<boolean>(false)
-  useEffect(() => {
-    if (currentUser && group.memberIds.includes(currentUser.id)) {
-      setIsMember(group.memberIds.includes(currentUser.id))
-    }
-  }, [currentUser, group])
-
-  const onJoinGroup = () => {
-    if (!currentUser) return
-    setIsMember(true)
-    joinGroup(group, currentUser.id).catch(() => {
-      setIsMember(false)
-      toast.error('Failed to join group')
-    })
-  }
-  const onLeaveGroup = () => {
-    if (!currentUser) return
-    setIsMember(false)
-    leaveGroup(group, currentUser.id).catch(() => {
-      setIsMember(true)
-      toast.error('Failed to leave group')
-    })
-  }
-
   const smallStyle =
     'btn !btn-xs border-2 border-gray-500 bg-white normal-case text-gray-500 hover:border-gray-500 hover:bg-white hover:text-gray-500'
 
-  if (!currentUser || isMember === undefined) {
+  if (!user) {
     if (!group.anyoneCanJoin)
       return <div className={clsx(className, 'text-gray-500')}>Closed</div>
     return (
@@ -130,6 +111,16 @@ export function JoinOrLeaveGroupButton(props: {
       </button>
     )
   }
+  const onJoinGroup = () => {
+    joinGroup(group, user.id).catch(() => {
+      toast.error('Failed to join group')
+    })
+  }
+  const onLeaveGroup = () => {
+    leaveGroup(group, user.id).catch(() => {
+      toast.error('Failed to leave group')
+    })
+  }
 
   if (isMember) {
     return (

web/components/multi-user-transaction-link.tsx

@@ -0,0 +1,75 @@
+import { useState } from 'react'
+import { Row } from 'web/components/layout/row'
+import { Modal } from 'web/components/layout/modal'
+import { Col } from 'web/components/layout/col'
+import { formatMoney } from 'common/util/format'
+import { Avatar } from 'web/components/avatar'
+import { UserLink } from 'web/components/user-link'
+import { Button } from 'web/components/button'
+
+export type MultiUserLinkInfo = {
+  name: string
+  username: string
+  avatarUrl: string | undefined
+  amount: number
+}
+
+export function MultiUserTransactionLink(props: {
+  userInfos: MultiUserLinkInfo[]
+  modalLabel: string
+}) {
+  const { userInfos, modalLabel } = props
+  const [open, setOpen] = useState(false)
+  const maxShowCount = 5
+  return (
+    <Row>
+      <Button
+        size={'xs'}
+        color={'gray-white'}
+        className={'z-10 mr-1 gap-1 bg-transparent'}
+        onClick={(e) => {
+          e.stopPropagation()
+          setOpen(true)
+        }}
+      >
+        <Row className={'items-center gap-1 sm:gap-2'}>
+          {userInfos.map(
+            (userInfo, index) =>
+              index < maxShowCount && (
+                <Avatar
+                  username={userInfo.username}
+                  size={'sm'}
+                  avatarUrl={userInfo.avatarUrl}
+                  noLink={userInfos.length > 1}
+                  key={userInfo.username + 'avatar'}
+                />
+              )
+          )}
+          {userInfos.length > maxShowCount && (
+            <span>& {userInfos.length - maxShowCount} more</span>
+          )}
+        </Row>
+      </Button>
+      <Modal open={open} setOpen={setOpen} size={'sm'}>
+        <Col className="items-start gap-4 rounded-md bg-white p-6">
+          <span className={'text-xl'}>{modalLabel}</span>
+          {userInfos.map((userInfo) => (
+            <Row
+              key={userInfo.username + 'list'}
+              className="w-full items-center gap-2"
+            >
+              <span className="text-primary min-w-[3.5rem]">
+                +{formatMoney(userInfo.amount)}
+              </span>
+              <Avatar
+                username={userInfo.username}
+                avatarUrl={userInfo.avatarUrl}
+              />
+              <UserLink name={userInfo.name} username={userInfo.username} />
+            </Row>
+          ))}
+        </Col>
+      </Modal>
+    </Row>
+  )
+}

web/components/nav/menu.tsx

@@ -19,12 +19,10 @@ export function MenuButton(props: {
       as="div"
       className={clsx(className ? className : 'relative z-40 flex-shrink-0')}
     >
-      <div>
       <Menu.Button className="w-full rounded-full">
         <span className="sr-only">Open user menu</span>
         {buttonContent}
       </Menu.Button>
-      </div>
       <Transition
         as={Fragment}
         enter="transition ease-out duration-100"

web/components/nav/profile-menu.tsx

@@ -11,7 +11,7 @@ export function ProfileSummary(props: { user: User }) {
     <Link href={`/${user.username}?tab=bets`}>
       <a
         onClick={trackCallback('sidebar: profile')}
-        className="group flex flex-row items-center gap-4 rounded-md py-3 text-gray-500 hover:bg-gray-100 hover:text-gray-700"
+        className="group mb-3 flex flex-row items-center gap-4 truncate rounded-md py-3 text-gray-500 hover:bg-gray-100 hover:text-gray-700"
       >
         <Avatar avatarUrl={user.avatarUrl} username={user.username} noLink />
 

web/components/nav/sidebar.tsx

@@ -234,11 +234,7 @@ export default function Sidebar(props: { className?: string }) {
 
       {!user && <SignInButton className="mb-4" />}
 
-      {user && (
+      {user && <ProfileSummary user={user} />}
-        <div className="min-h-[80px] w-full">
-          <ProfileSummary user={user} />
-        </div>
-      )}
 
       {/* Mobile navigation */}
       <div className="flex min-h-0 shrink flex-col gap-1 lg:hidden">
@@ -255,7 +251,7 @@ export default function Sidebar(props: { className?: string }) {
       </div>
 
       {/* Desktop navigation */}
-      <div className="hidden min-h-0 shrink flex-col gap-1 lg:flex">
+      <div className="hidden min-h-0 shrink flex-col items-stretch gap-1 lg:flex ">
         {navigationOptions.map((item) => (
           <SidebarItem key={item.href} item={item} currentPage={currentPage} />
         ))}
@@ -264,7 +260,7 @@ export default function Sidebar(props: { className?: string }) {
           buttonContent={<MoreButton />}
         />
 
-        {user && <CreateQuestionButton user={user} />}
+        {user && !user.isBannedFromPosting && <CreateQuestionButton />}
       </div>
     </nav>
   )

web/components/notifications-icon.tsx

@@ -12,11 +12,9 @@ export default function NotificationsIcon(props: { className?: string }) {
   const privateUser = usePrivateUser()
 
   return (
-    <Row className={clsx('justify-center')}>
+    <Row className="relative justify-center">
-      <div className={'relative'}>
       {privateUser && <UnseenNotificationsBubble privateUser={privateUser} />}
       <BellIcon className={clsx(props.className)} />
-      </div>
     </Row>
   )
 }
@@ -32,11 +30,11 @@ function UnseenNotificationsBubble(props: { privateUser: PrivateUser }) {
 
   const notifications = useUnseenGroupedNotification(privateUser)
   if (!notifications || notifications.length === 0 || seen) {
-    return <div />
+    return null
   }
 
   return (
-    <div className="-mt-0.75 absolute ml-3.5 min-w-[15px] rounded-full bg-indigo-500 p-[2px] text-center text-[10px] leading-3 text-white lg:-mt-1 lg:ml-2">
+    <div className="-mt-0.75 absolute ml-3.5 min-w-[15px] rounded-full bg-indigo-500 p-[2px] text-center text-[10px] leading-3 text-white lg:left-0 lg:-mt-1 lg:ml-2">
       {notifications.length > NOTIFICATIONS_PER_PAGE
         ? `${NOTIFICATIONS_PER_PAGE}+`
         : notifications.length}

web/components/pagination.tsx

@@ -58,7 +58,7 @@ export function Pagination(props: {
 
   const maxPage = Math.ceil(totalItems / itemsPerPage) - 1
 
-  if (maxPage === 0) return <Spacer h={4} />
+  if (maxPage <= 0) return <Spacer h={4} />
 
   return (
     <nav

web/components/referrals-button.tsx

@@ -1,7 +1,7 @@
 import clsx from 'clsx'
 import { User } from 'common/user'
 import { useEffect, useState } from 'react'
-import { prefetchUsers, useUserById } from 'web/hooks/use-user'
+import { usePrefetchUsers, useUserById } from 'web/hooks/use-user'
 import { Col } from './layout/col'
 import { Modal } from './layout/modal'
 import { Tabs } from './layout/tabs'
@@ -56,9 +56,7 @@ function ReferralsDialog(props: {
     }
   }, [isOpen, referredByUser, user.referredByUserId])
 
-  useEffect(() => {
+  usePrefetchUsers(referralIds)
-    prefetchUsers(referralIds)
-  }, [referralIds])
 
   return (
     <Modal open={isOpen} setOpen={setIsOpen}>

web/components/relative-timestamp.tsx

@@ -1,16 +1,15 @@
 import { DateTimeTooltip } from './datetime-tooltip'
-import dayjs from 'dayjs'
 import React from 'react'
+import { fromNow } from 'web/lib/util/time'
 
 export function RelativeTimestamp(props: { time: number }) {
   const { time } = props
-  const dayJsTime = dayjs(time)
   return (
     <DateTimeTooltip
       className="ml-1 whitespace-nowrap text-gray-400"
       time={time}
     >
-      {dayJsTime.fromNow()}
+      {fromNow(time)}
     </DateTimeTooltip>
   )
 }

web/components/share-embed-button.tsx

@@ -9,11 +9,18 @@ import { DOMAIN } from 'common/envs/constants'
 import { copyToClipboard } from 'web/lib/util/copy'
 import { track } from 'web/lib/service/analytics'
 
-export function embedCode(contract: Contract) {
+export function embedContractCode(contract: Contract) {
   const title = contract.question
   const src = `https://${DOMAIN}/embed${contractPath(contract)}`
+  return `<iframe src="${src}" title="${title}" frameborder="0"></iframe>`
+}
 
-  return `<iframe width="560" height="405" src="${src}" title="${title}" frameborder="0"></iframe>`
+export function embedContractGridCode(contracts: Contract[]) {
+  const height = (contracts.length - (contracts.length % 2)) * 100 + 'px'
+  const src = `https://${DOMAIN}/embed/grid/${contracts
+    .map((c) => c.slug)
+    .join('/')}`
+  return `<iframe height="${height}" src="${src}" title="Grid of contracts" frameborder="0"></iframe>`
 }
 
 export function ShareEmbedButton(props: { contract: Contract }) {
@@ -26,7 +33,7 @@ export function ShareEmbedButton(props: { contract: Contract }) {
       as="div"
       className="relative z-10 flex-shrink-0"
       onMouseUp={() => {
-        copyToClipboard(embedCode(contract))
+        copyToClipboard(embedContractCode(contract))
         toast.success('Embed code copied!', {
           icon: codeIcon,
         })

web/components/tooltip.tsx

@@ -21,8 +21,9 @@ export function Tooltip(props: {
   className?: string
   placement?: Placement
   noTap?: boolean
+  noFade?: boolean
 }) {
-  const { text, children, className, placement = 'top', noTap } = props
+  const { text, children, className, placement = 'top', noTap, noFade } = props
 
   const arrowRef = useRef(null)
 
@@ -64,10 +65,10 @@ export function Tooltip(props: {
       {/* conditionally render tooltip and fade in/out */}
       <Transition
         show={open}
-        enter="transition ease-out duration-200"
+        enter="transition ease-out duration-50"
-        enterFrom="opacity-0 "
+        enterFrom="opacity-0"
         enterTo="opacity-100"
-        leave="transition ease-in duration-150"
+        leave={noFade ? '' : 'transition ease-in duration-150'}
         leaveFrom="opacity-100"
         leaveTo="opacity-0"
         // div attributes

web/components/user-link.tsx

@@ -1,22 +1,16 @@
-import { linkClass, SiteLink } from 'web/components/site-link'
+import { SiteLink } from 'web/components/site-link'
 import clsx from 'clsx'
-import { Row } from 'web/components/layout/row'
-import { Modal } from 'web/components/layout/modal'
-import { Col } from 'web/components/layout/col'
-import { useState } from 'react'
-import { Avatar } from 'web/components/avatar'
-import { formatMoney } from 'common/util/format'
 
-function shortenName(name: string) {
+export function shortenName(name: string) {
   const firstName = name.split(' ')[0]
-  const maxLength = 10
+  const maxLength = 11
   const shortName =
-    firstName.length >= 3
+    firstName.length >= 3 && name.length > maxLength
       ? firstName.length < maxLength
         ? firstName
         : firstName.substring(0, maxLength - 3) + '...'
       : name.length > maxLength
-      ? name.substring(0, maxLength) + '...'
+      ? name.substring(0, maxLength - 3) + '...'
       : name
   return shortName
 }
@@ -24,11 +18,10 @@ function shortenName(name: string) {
 export function UserLink(props: {
   name: string
   username: string
-  showUsername?: boolean
   className?: string
   short?: boolean
 }) {
-  const { name, username, showUsername, className, short } = props
+  const { name, username, className, short } = props
   const shortName = short ? shortenName(name) : name
   return (
     <SiteLink
@@ -36,67 +29,6 @@ export function UserLink(props: {
       className={clsx('z-10 truncate', className)}
     >
       {shortName}
-      {showUsername && ` (@${username})`}
     </SiteLink>
   )
 }
-
-export type MultiUserLinkInfo = {
-  name: string
-  username: string
-  avatarUrl: string | undefined
-  amountTipped: number
-}
-
-export function MultiUserTipLink(props: {
-  userInfos: MultiUserLinkInfo[]
-  className?: string
-}) {
-  const { userInfos, className } = props
-  const [open, setOpen] = useState(false)
-  const maxShowCount = 2
-  return (
-    <>
-      <Row
-        className={clsx('mr-1 inline-flex gap-1', linkClass, className)}
-        onClick={(e) => {
-          e.stopPropagation()
-          setOpen(true)
-        }}
-      >
-        {userInfos.map((userInfo, index) =>
-          index < maxShowCount ? (
-            <span key={userInfo.username + 'shortened'} className={linkClass}>
-              {shortenName(userInfo.name) +
-                (index < maxShowCount - 1 ? ', ' : '')}
-            </span>
-          ) : (
-            <span className={linkClass}>
-              & {userInfos.length - maxShowCount} more
-            </span>
-          )
-        )}
-      </Row>
-      <Modal open={open} setOpen={setOpen} size={'sm'}>
-        <Col className="items-start gap-4 rounded-md bg-white p-6">
-          <span className={'text-xl'}>Who tipped you</span>
-          {userInfos.map((userInfo) => (
-            <Row
-              key={userInfo.username + 'list'}
-              className="w-full items-center gap-2"
-            >
-              <span className="text-primary min-w-[3.5rem]">
-                +{formatMoney(userInfo.amountTipped)}
-              </span>
-              <Avatar
-                username={userInfo.username}
-                avatarUrl={userInfo.avatarUrl}
-              />
-              <UserLink name={userInfo.name} username={userInfo.username} />
-            </Row>
-          ))}
-        </Col>
-      </Modal>
-    </>
-  )
-}

web/components/user-page.tsx

@@ -253,7 +253,18 @@ export function UserPage(props: { user: User }) {
             },
             {
               title: 'Comments',
-              content: <UserCommentsList user={user} />,
+              content: (
+                <Col>
+                  <Row className={'mt-2 mb-4 flex-wrap items-center gap-6'}>
+                    <FollowingButton user={user} />
+                    <FollowersButton user={user} />
+                    <ReferralsButton user={user} />
+                    <GroupsButton user={user} />
+                    <UserLikesButton user={user} />
+                  </Row>
+                  <UserCommentsList user={user} />
+                </Col>
+              ),
             },
             {
               title: 'Bets',
@@ -264,20 +275,6 @@ export function UserPage(props: { user: User }) {
                 </>
               ),
             },
-            {
-              title: 'Social',
-              content: (
-                <Row
-                  className={'mt-2 flex-wrap items-center justify-center gap-6'}
-                >
-                  <FollowingButton user={user} />
-                  <FollowersButton user={user} />
-                  <ReferralsButton user={user} />
-                  <GroupsButton user={user} />
-                  <UserLikesButton user={user} />
-                </Row>
-              ),
-            },
           ]}
         />
       </Col>

web/components/visibility-observer.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import { useEvent } from '../hooks/use-event'
 
 export function VisibilityObserver(props: {
@@ -8,17 +8,18 @@ export function VisibilityObserver(props: {
   const { className } = props
   const [elem, setElem] = useState<HTMLElement | null>(null)
   const onVisibilityUpdated = useEvent(props.onVisibilityUpdated)
-
+  const observer = useRef(
-  useEffect(() => {
+    new IntersectionObserver(([entry]) => {
-    const hasIOSupport = !!window.IntersectionObserver
-    if (!hasIOSupport || !elem) return
-
-    const observer = new IntersectionObserver(([entry]) => {
       onVisibilityUpdated(entry.isIntersecting)
     }, {})
+  ).current
+
+  useEffect(() => {
+    if (elem) {
       observer.observe(elem)
-    return () => observer.disconnect()
+      return () => observer.unobserve(elem)
-  }, [elem, onVisibilityUpdated])
+    }
+  }, [elem, observer])
 
   return <div ref={setElem} className={className}></div>
 }

web/hooks/use-contracts.ts

@@ -9,8 +9,10 @@ import {
   listenForHotContracts,
   listenForInactiveContracts,
   listenForNewContracts,
+  getUserBetContracts,
   getUserBetContractsQuery,
 } from 'web/lib/firebase/contracts'
+import { useQueryClient } from 'react-query'
 
 export const useContracts = () => {
   const [contracts, setContracts] = useState<Contract[] | undefined>()
@@ -92,6 +94,13 @@ export const useUpdatedContracts = (contracts: Contract[] | undefined) => {
     : undefined
 }
 
+export const usePrefetchUserBetContracts = (userId: string) => {
+  const queryClient = useQueryClient()
+  return queryClient.prefetchQuery(['contracts', 'bets', userId], () =>
+    getUserBetContracts(userId)
+  )
+}
+
 export const useUserBetContracts = (userId: string) => {
   const result = useFirestoreQueryData(
     ['contracts', 'bets', userId],

web/hooks/use-group.ts

@@ -2,16 +2,21 @@ import { useEffect, useState } from 'react'
 import { Group } from 'common/group'
 import { User } from 'common/user'
 import {
+  GroupMemberDoc,
+  groupMembers,
   listenForGroup,
+  listenForGroupContractDocs,
   listenForGroups,
+  listenForMemberGroupIds,
   listenForMemberGroups,
   listenForOpenGroups,
   listGroups,
 } from 'web/lib/firebase/groups'
-import { getUser, getUsers } from 'web/lib/firebase/users'
+import { getUser } from 'web/lib/firebase/users'
 import { filterDefined } from 'common/util/array'
 import { Contract } from 'common/contract'
 import { uniq } from 'lodash'
+import { listenForValues } from 'web/lib/firebase/utils'
 
 export const useGroup = (groupId: string | undefined) => {
   const [group, setGroup] = useState<Group | null | undefined>()
@@ -43,29 +48,12 @@ export const useOpenGroups = () => {
   return groups
 }
 
-export const useMemberGroups = (
+export const useMemberGroups = (userId: string | null | undefined) => {
-  userId: string | null | undefined,
-  options?: { withChatEnabled: boolean },
-  sort?: { by: 'mostRecentChatActivityTime' | 'mostRecentContractAddedTime' }
-) => {
   const [memberGroups, setMemberGroups] = useState<Group[] | undefined>()
   useEffect(() => {
     if (userId)
-      return listenForMemberGroups(
+      return listenForMemberGroups(userId, (groups) => setMemberGroups(groups))
-        userId,
+  }, [userId])
-        (groups) => {
-          if (options?.withChatEnabled)
-            return setMemberGroups(
-              filterDefined(
-                groups.filter((group) => group.chatDisabled !== true)
-              )
-            )
-          return setMemberGroups(groups)
-        },
-        sort
-      )
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [options?.withChatEnabled, sort?.by, userId])
   return memberGroups
 }
 
@@ -77,16 +65,8 @@ export const useMemberGroupIds = (user: User | null | undefined) => {
 
   useEffect(() => {
     if (user) {
-      const key = `member-groups-${user.id}`
+      return listenForMemberGroupIds(user.id, (groupIds) => {
-      const memberGroupJson = localStorage.getItem(key)
-      if (memberGroupJson) {
-        setMemberGroupIds(JSON.parse(memberGroupJson))
-      }
-
-      return listenForMemberGroups(user.id, (Groups) => {
-        const groupIds = Groups.map((group) => group.id)
         setMemberGroupIds(groupIds)
-        localStorage.setItem(key, JSON.stringify(groupIds))
       })
     }
   }, [user])
@@ -94,26 +74,29 @@ export const useMemberGroupIds = (user: User | null | undefined) => {
   return memberGroupIds
 }
 
-export function useMembers(group: Group, max?: number) {
+export function useMembers(groupId: string | undefined) {
   const [members, setMembers] = useState<User[]>([])
   useEffect(() => {
-    const { memberIds } = group
+    if (groupId)
-    if (memberIds.length > 0) {
+      listenForValues<GroupMemberDoc>(groupMembers(groupId), (memDocs) => {
-      listMembers(group, max).then((members) => setMembers(members))
+        const memberIds = memDocs.map((memDoc) => memDoc.userId)
-    }
+        Promise.all(memberIds.map((id) => getUser(id))).then((users) => {
-  }, [group, max])
+          setMembers(users)
+        })
+      })
+  }, [groupId])
   return members
 }
 
-export async function listMembers(group: Group, max?: number) {
+export function useMemberIds(groupId: string | null) {
-  const { memberIds } = group
+  const [memberIds, setMemberIds] = useState<string[]>([])
-  const numToRetrieve = max ?? memberIds.length
+  useEffect(() => {
-  if (memberIds.length === 0) return []
+    if (groupId)
-  if (numToRetrieve > 100)
+      return listenForValues<GroupMemberDoc>(groupMembers(groupId), (docs) => {
-    return (await getUsers()).filter((user) =>
+        setMemberIds(docs.map((doc) => doc.userId))
-      group.memberIds.includes(user.id)
+      })
-    )
+  }, [groupId])
-  return await Promise.all(group.memberIds.slice(0, numToRetrieve).map(getUser))
+  return memberIds
 }
 
 export const useGroupsWithContract = (contract: Contract) => {
@@ -128,3 +111,16 @@ export const useGroupsWithContract = (contract: Contract) => {
 
   return groups
 }
+
+export function useGroupContractIds(groupId: string) {
+  const [contractIds, setContractIds] = useState<string[]>([])
+
+  useEffect(() => {
+    if (groupId)
+      return listenForGroupContractDocs(groupId, (docs) =>
+        setContractIds(docs.map((doc) => doc.contractId))
+      )
+  }, [groupId])
+
+  return contractIds
+}

web/hooks/use-notifications.ts

@@ -16,11 +16,7 @@ export type NotificationGroup = {
 function useNotifications(privateUser: PrivateUser) {
   const result = useFirestoreQueryData(
     ['notifications-all', privateUser.id],
-    getNotificationsQuery(privateUser.id),
+    getNotificationsQuery(privateUser.id)
-    { subscribe: true, includeMetadataChanges: true },
-    // Temporary workaround for react-query bug:
-    // https://github.com/invertase/react-query-firebase/issues/25
-    { refetchOnMount: 'always' }
   )
 
   const notifications = useMemo(() => {

web/hooks/use-portfolio-history.ts

@@ -1,11 +1,27 @@
+import { useQueryClient } from 'react-query'
 import { useFirestoreQueryData } from '@react-query-firebase/firestore'
 import { DAY_MS, HOUR_MS } from 'common/util/time'
-import { getPortfolioHistoryQuery, Period } from 'web/lib/firebase/users'
+import {
+  getPortfolioHistory,
+  getPortfolioHistoryQuery,
+  Period,
+} from 'web/lib/firebase/users'
+
+const getCutoff = (period: Period) => {
+  const nowRounded = Math.round(Date.now() / HOUR_MS) * HOUR_MS
+  return periodToCutoff(nowRounded, period).valueOf()
+}
+
+export const usePrefetchPortfolioHistory = (userId: string, period: Period) => {
+  const queryClient = useQueryClient()
+  const cutoff = getCutoff(period)
+  return queryClient.prefetchQuery(['portfolio-history', userId, cutoff], () =>
+    getPortfolioHistory(userId, cutoff)
+  )
+}
 
 export const usePortfolioHistory = (userId: string, period: Period) => {
-  const nowRounded = Math.round(Date.now() / HOUR_MS) * HOUR_MS
+  const cutoff = getCutoff(period)
-  const cutoff = periodToCutoff(nowRounded, period).valueOf()
-
   const result = useFirestoreQueryData(
     ['portfolio-history', userId, cutoff],
     getPortfolioHistoryQuery(userId, cutoff)

web/hooks/use-prefetch.ts

@@ -1,11 +1,12 @@
-import { useUserBetContracts } from './use-contracts'
+import { usePrefetchUserBetContracts } from './use-contracts'
-import { usePortfolioHistory } from './use-portfolio-history'
+import { usePrefetchPortfolioHistory } from './use-portfolio-history'
-import { useUserBets } from './use-user-bets'
+import { usePrefetchUserBets } from './use-user-bets'
 
 export function usePrefetch(userId: string | undefined) {
   const maybeUserId = userId ?? ''
-
+  return Promise.all([
-  useUserBets(maybeUserId)
+    usePrefetchUserBets(maybeUserId),
-  useUserBetContracts(maybeUserId)
+    usePrefetchUserBetContracts(maybeUserId),
-  usePortfolioHistory(maybeUserId, 'weekly')
+    usePrefetchPortfolioHistory(maybeUserId, 'weekly'),
+  ])
 }

web/hooks/use-time-since-first-render.ts

@@ -1,13 +0,0 @@
-import { useCallback, useEffect, useRef } from 'react'
-
-export function useTimeSinceFirstRender() {
-  const startTimeRef = useRef(0)
-  useEffect(() => {
-    startTimeRef.current = Date.now()
-  }, [])
-
-  return useCallback(() => {
-    if (!startTimeRef.current) return 0
-    return Date.now() - startTimeRef.current
-  }, [])
-}

web/hooks/use-tip-txns.ts

@@ -29,3 +29,15 @@ export function useTipTxns(on: {
     })
   }, [txns])
 }
+
+export function useMarketTipTxns(contractId: string): TipTxn[] {
+  const [txns, setTxns] = useState<TipTxn[]>([])
+
+  useEffect(() => {
+    return listenForTipTxns(contractId, (txns) => {
+      setTxns(txns.filter((txn) => !txn.data.commentId))
+    })
+  }, [contractId])
+
+  return txns
+}

web/hooks/use-user-bets.ts

@@ -1,11 +1,18 @@
+import { useQueryClient } from 'react-query'
 import { useFirestoreQueryData } from '@react-query-firebase/firestore'
 import { useEffect, useState } from 'react'
 import {
   Bet,
+  getUserBets,
   getUserBetsQuery,
   listenForUserContractBets,
 } from 'web/lib/firebase/bets'
 
+export const usePrefetchUserBets = (userId: string) => {
+  const queryClient = useQueryClient()
+  return queryClient.prefetchQuery(['bets', userId], () => getUserBets(userId))
+}
+
 export const useUserBets = (userId: string) => {
   const result = useFirestoreQueryData(
     ['bets', userId],

web/hooks/use-user.ts

@@ -1,6 +1,6 @@
 import { useContext } from 'react'
 import { useFirestoreDocumentData } from '@react-query-firebase/firestore'
-import { QueryClient } from 'react-query'
+import { useQueryClient } from 'react-query'
 
 import { doc, DocumentData } from 'firebase/firestore'
 import { getUser, User, users } from 'web/lib/firebase/users'
@@ -28,12 +28,13 @@ export const useUserById = (userId = '_') => {
   return result.isLoading ? undefined : result.data
 }
 
-const queryClient = new QueryClient()
+export const usePrefetchUser = (userId: string) => {
+  return usePrefetchUsers([userId])[0]
+}
 
-export const prefetchUser = (userId: string) => {
+export const usePrefetchUsers = (userIds: string[]) => {
+  const queryClient = useQueryClient()
+  return userIds.map((userId) =>
     queryClient.prefetchQuery(['users', userId], () => getUser(userId))
-}
+  )
-
-export const prefetchUsers = (userIds: string[]) => {
-  userIds.forEach(prefetchUser)
 }

web/lib/firebase/auth.ts

@@ -1,74 +0,0 @@
-import { PROJECT_ID } from 'common/envs/constants'
-import { setCookie, getCookies } from '../util/cookie'
-import { IncomingMessage, ServerResponse } from 'http'
-
-const ONE_HOUR_SECS = 60 * 60
-const TEN_YEARS_SECS = 60 * 60 * 24 * 365 * 10
-const TOKEN_KINDS = ['refresh', 'id', 'custom'] as const
-const TOKEN_AGES = {
-  id: ONE_HOUR_SECS,
-  refresh: TEN_YEARS_SECS,
-  custom: ONE_HOUR_SECS,
-} as const
-export type TokenKind = typeof TOKEN_KINDS[number]
-
-const getAuthCookieName = (kind: TokenKind) => {
-  const suffix = `${PROJECT_ID}_${kind}`.toUpperCase().replace(/-/g, '_')
-  return `FIREBASE_TOKEN_${suffix}`
-}
-
-const COOKIE_NAMES = Object.fromEntries(
-  TOKEN_KINDS.map((k) => [k, getAuthCookieName(k)])
-) as Record<TokenKind, string>
-
-const getCookieDataIsomorphic = (req?: IncomingMessage) => {
-  if (req != null) {
-    return req.headers.cookie ?? ''
-  } else if (document != null) {
-    return document.cookie
-  } else {
-    throw new Error(
-      'Neither request nor document is available; no way to get cookies.'
-    )
-  }
-}
-
-const setCookieDataIsomorphic = (cookies: string[], res?: ServerResponse) => {
-  if (res != null) {
-    res.setHeader('Set-Cookie', cookies)
-  } else if (document != null) {
-    for (const ck of cookies) {
-      document.cookie = ck
-    }
-  } else {
-    throw new Error(
-      'Neither response nor document is available; no way to set cookies.'
-    )
-  }
-}
-
-export const getTokensFromCookies = (req?: IncomingMessage) => {
-  const cookies = getCookies(getCookieDataIsomorphic(req))
-  return Object.fromEntries(
-    TOKEN_KINDS.map((k) => [k, cookies[COOKIE_NAMES[k]]])
-  ) as Partial<Record<TokenKind, string>>
-}
-
-export const setTokenCookies = (
-  cookies: Partial<Record<TokenKind, string | undefined>>,
-  res?: ServerResponse
-) => {
-  const data = TOKEN_KINDS.filter((k) => k in cookies).map((k) => {
-    const maxAge = cookies[k] ? TOKEN_AGES[k as TokenKind] : 0
-    return setCookie(COOKIE_NAMES[k], cookies[k] ?? '', [
-      ['path', '/'],
-      ['max-age', maxAge.toString()],
-      ['samesite', 'lax'],
-      ['secure'],
-    ])
-  })
-  setCookieDataIsomorphic(data, res)
-}
-
-export const deleteTokenCookies = (res?: ServerResponse) =>
-  setTokenCookies({ id: undefined, refresh: undefined, custom: undefined }, res)

web/lib/firebase/bets.ts

@@ -28,9 +28,9 @@ function getBetsCollection(contractId: string) {
 }
 
 export async function listAllBets(contractId: string) {
-  const bets = await getValues<Bet>(getBetsCollection(contractId))
+  return await getValues<Bet>(
-  bets.sort((bet1, bet2) => bet1.createdTime - bet2.createdTime)
+    query(getBetsCollection(contractId), orderBy('createdTime', 'desc'))
-  return bets
+  )
 }
 
 const DAY_IN_MS = 24 * 60 * 60 * 1000
@@ -64,26 +64,22 @@ export function listenForBets(
   contractId: string,
   setBets: (bets: Bet[]) => void
 ) {
-  return listenForValues<Bet>(getBetsCollection(contractId), (bets) => {
+  return listenForValues<Bet>(
-    bets.sort((bet1, bet2) => bet1.createdTime - bet2.createdTime)
+    query(getBetsCollection(contractId), orderBy('createdTime', 'desc')),
-    setBets(bets)
+    setBets
-  })
+  )
 }
 
-export async function getUserBets(
+export async function getUserBets(userId: string) {
-  userId: string,
+  return getValues<Bet>(getUserBetsQuery(userId))
-  options: { includeRedemptions: boolean }
+}
-) {
+
-  const { includeRedemptions } = options
+export function getUserBetsQuery(userId: string) {
-  return getValues<Bet>(
+  return query(
-    query(collectionGroup(db, 'bets'), where('userId', '==', userId))
+    collectionGroup(db, 'bets'),
-  )
+    where('userId', '==', userId),
-    .then((bets) =>
+    orderBy('createdTime', 'desc')
-      bets.filter(
+  ) as Query<Bet>
-        (bet) => (includeRedemptions || !bet.isRedemption) && !bet.isAnte
-      )
-    )
-    .catch((reason) => reason)
 }
 
 export async function getBets(options: {
@@ -124,22 +120,16 @@ export async function getBets(options: {
 }
 
 export async function getContractsOfUserBets(userId: string) {
-  const bets: Bet[] = await getUserBets(userId, { includeRedemptions: false })
+  const bets = await getUserBets(userId)
-  const contractIds = uniq(bets.map((bet) => bet.contractId))
+  const contractIds = uniq(
+    bets.filter((b) => !b.isAnte).map((bet) => bet.contractId)
+  )
   const contracts = await Promise.all(
     contractIds.map((contractId) => getContractFromId(contractId))
   )
   return filterDefined(contracts)
 }
 
-export function getUserBetsQuery(userId: string) {
-  return query(
-    collectionGroup(db, 'bets'),
-    where('userId', '==', userId),
-    orderBy('createdTime', 'desc')
-  ) as Query<Bet>
-}
-
 export function listenForUserContractBets(
   userId: string,
   contractId: string,
@@ -147,12 +137,10 @@ export function listenForUserContractBets(
 ) {
   const betsQuery = query(
     collection(db, 'contracts', contractId, 'bets'),
-    where('userId', '==', userId)
+    where('userId', '==', userId),
+    orderBy('createdTime', 'desc')
   )
-  return listenForValues<Bet>(betsQuery, (bets) => {
+  return listenForValues<Bet>(betsQuery, setBets)
-    bets.sort((bet1, bet2) => bet1.createdTime - bet2.createdTime)
-    setBets(bets)
-  })
 }
 
 export function listenForUnfilledBets(
@@ -162,12 +150,10 @@ export function listenForUnfilledBets(
   const betsQuery = query(
     collection(db, 'contracts', contractId, 'bets'),
     where('isFilled', '==', false),
-    where('isCancelled', '==', false)
+    where('isCancelled', '==', false),
+    orderBy('createdTime', 'desc')
   )
-  return listenForValues<LimitBet>(betsQuery, (bets) => {
+  return listenForValues<LimitBet>(betsQuery, setBets)
-    bets.sort((bet1, bet2) => bet1.createdTime - bet2.createdTime)
-    setBets(bets)
-  })
 }
 
 export function withoutAnteBets(contract: Contract, bets?: Bet[]) {

web/lib/firebase/comments.ts

@@ -92,17 +92,15 @@ function getCommentsOnGroupCollection(groupId: string) {
 }
 
 export async function listAllComments(contractId: string) {
-  const comments = await getValues<Comment>(getCommentsCollection(contractId))
+  return await getValues<Comment>(
-  comments.sort((c1, c2) => c1.createdTime - c2.createdTime)
+    query(getCommentsCollection(contractId), orderBy('createdTime', 'desc'))
-  return comments
+  )
 }
 
 export async function listAllCommentsOnGroup(groupId: string) {
-  const comments = await getValues<GroupComment>(
+  return await getValues<GroupComment>(
-    getCommentsOnGroupCollection(groupId)
+    query(getCommentsOnGroupCollection(groupId), orderBy('createdTime', 'desc'))
   )
-  comments.sort((c1, c2) => c1.createdTime - c2.createdTime)
-  return comments
 }
 
 export function listenForCommentsOnContract(
@@ -110,23 +108,21 @@ export function listenForCommentsOnContract(
   setComments: (comments: ContractComment[]) => void
 ) {
   return listenForValues<ContractComment>(
-    getCommentsCollection(contractId),
+    query(getCommentsCollection(contractId), orderBy('createdTime', 'desc')),
-    (comments) => {
+    setComments
-      comments.sort((c1, c2) => c1.createdTime - c2.createdTime)
-      setComments(comments)
-    }
   )
 }
+
 export function listenForCommentsOnGroup(
   groupId: string,
   setComments: (comments: GroupComment[]) => void
 ) {
   return listenForValues<GroupComment>(
+    query(
       getCommentsOnGroupCollection(groupId),
-    (comments) => {
+      orderBy('createdTime', 'desc')
-      comments.sort((c1, c2) => c1.createdTime - c2.createdTime)
+    ),
-      setComments(comments)
+    setComments
-    }
   )
 }
 

web/lib/firebase/contracts.ts

@@ -157,6 +157,10 @@ export function listenForUserContracts(
   return listenForValues<Contract>(q, setContracts)
 }
 
+export function getUserBetContracts(userId: string) {
+  return getValues<Contract>(getUserBetContractsQuery(userId))
+}
+
 export function getUserBetContractsQuery(userId: string) {
   return query(
     contracts,

web/lib/firebase/groups.ts

@@ -1,13 +1,17 @@
 import {
+  collection,
+  collectionGroup,
   deleteDoc,
   deleteField,
   doc,
   getDocs,
+  onSnapshot,
   query,
+  setDoc,
   updateDoc,
   where,
 } from 'firebase/firestore'
-import { sortBy, uniq } from 'lodash'
+import { uniq } from 'lodash'
 import { Group, GROUP_CHAT_SLUG, GroupLink } from 'common/group'
 import {
   coll,
@@ -18,8 +22,15 @@ import {
 } from './utils'
 import { Contract } from 'common/contract'
 import { updateContract } from 'web/lib/firebase/contracts'
+import { db } from 'web/lib/firebase/init'
+import { filterDefined } from 'common/util/array'
+import { getUser } from 'web/lib/firebase/users'
 
 export const groups = coll<Group>('groups')
+export const groupMembers = (groupId: string) =>
+  collection(groups, groupId, 'groupMembers')
+export const groupContracts = (groupId: string) =>
+  collection(groups, groupId, 'groupContracts')
 
 export function groupPath(
   groupSlug: string,
@@ -33,6 +44,9 @@ export function groupPath(
   return `/group/${groupSlug}${subpath ? `/${subpath}` : ''}`
 }
 
+export type GroupContractDoc = { contractId: string; createdTime: number }
+export type GroupMemberDoc = { userId: string; createdTime: number }
+
 export function updateGroup(group: Group, updates: Partial<Group>) {
   return updateDoc(doc(groups, group.id), updates)
 }
@@ -57,6 +71,13 @@ export function listenForGroups(setGroups: (groups: Group[]) => void) {
   return listenForValues(groups, setGroups)
 }
 
+export function listenForGroupContractDocs(
+  groupId: string,
+  setContractDocs: (docs: GroupContractDoc[]) => void
+) {
+  return listenForValues(groupContracts(groupId), setContractDocs)
+}
+
 export function listenForOpenGroups(setGroups: (groups: Group[]) => void) {
   return listenForValues(
     query(groups, where('anyoneCanJoin', '==', true)),
@@ -68,6 +89,12 @@ export function getGroup(groupId: string) {
   return getValue<Group>(doc(groups, groupId))
 }
 
+export function getGroupContracts(groupId: string) {
+  return getValues<{ contractId: string; createdTime: number }>(
+    groupContracts(groupId)
+  )
+}
+
 export async function getGroupBySlug(slug: string) {
   const q = query(groups, where('slug', '==', slug))
   const docs = (await getDocs(q)).docs
@@ -81,33 +108,32 @@ export function listenForGroup(
   return listenForValue(doc(groups, groupId), setGroup)
 }
 
-export function listenForMemberGroups(
+export function listenForMemberGroupIds(
   userId: string,
-  setGroups: (groups: Group[]) => void,
+  setGroupIds: (groupIds: string[]) => void
-  sort?: { by: 'mostRecentChatActivityTime' | 'mostRecentContractAddedTime' }
 ) {
-  const q = query(groups, where('memberIds', 'array-contains', userId))
+  const q = query(
-  const sorter = (group: Group) => {
+    collectionGroup(db, 'groupMembers'),
-    if (sort?.by === 'mostRecentChatActivityTime') {
+    where('userId', '==', userId)
-      return group.mostRecentChatActivityTime ?? group.createdTime
+  )
-    }
+  return onSnapshot(q, { includeMetadataChanges: true }, (snapshot) => {
-    if (sort?.by === 'mostRecentContractAddedTime') {
+    if (snapshot.metadata.fromCache) return
-      return group.mostRecentContractAddedTime ?? group.createdTime
+
-    }
+    const values = snapshot.docs.map((doc) => doc.ref.parent.parent?.id)
-    return group.mostRecentActivityTime
+
-  }
+    setGroupIds(filterDefined(values))
-  return listenForValues<Group>(q, (groups) => {
-    const sorted = sortBy(groups, [(group) => -sorter(group)])
-    setGroups(sorted)
   })
 }
 
-export async function listenForGroupsWithContractId(
+export function listenForMemberGroups(
-  contractId: string,
+  userId: string,
   setGroups: (groups: Group[]) => void
 ) {
-  const q = query(groups, where('contractIds', 'array-contains', contractId))
+  return listenForMemberGroupIds(userId, (groupIds) => {
-  return listenForValues<Group>(q, setGroups)
+    return Promise.all(groupIds.map(getGroup)).then((groups) => {
+      setGroups(filterDefined(groups))
+    })
+  })
 }
 
 export async function addUserToGroupViaId(groupId: string, userId: string) {
@@ -121,19 +147,18 @@ export async function addUserToGroupViaId(groupId: string, userId: string) {
 }
 
 export async function joinGroup(group: Group, userId: string): Promise<void> {
-  const { memberIds } = group
+  // create a new member document in grouoMembers collection
-  if (memberIds.includes(userId)) return // already a member
+  const memberDoc = doc(groupMembers(group.id), userId)
-
+  return await setDoc(memberDoc, {
-  const newMemberIds = [...memberIds, userId]
+    userId,
-  return await updateGroup(group, { memberIds: uniq(newMemberIds) })
+    createdTime: Date.now(),
+  })
 }
 
 export async function leaveGroup(group: Group, userId: string): Promise<void> {
-  const { memberIds } = group
+  // delete the member document in groupMembers collection
-  if (!memberIds.includes(userId)) return // not a member
+  const memberDoc = doc(groupMembers(group.id), userId)
-
+  return await deleteDoc(memberDoc)
-  const newMemberIds = memberIds.filter((id) => id !== userId)
-  return await updateGroup(group, { memberIds: uniq(newMemberIds) })
 }
 
 export async function addContractToGroup(
@@ -141,7 +166,6 @@ export async function addContractToGroup(
   contract: Contract,
   userId: string
 ) {
-  if (!canModifyGroupContracts(group, userId)) return
   const newGroupLinks = [
     ...(contract.groupLinks ?? []),
     {
@@ -158,25 +182,18 @@ export async function addContractToGroup(
     groupLinks: newGroupLinks,
   })
 
-  if (!group.contractIds.includes(contract.id)) {
+  // create new contract document in groupContracts collection
-    return await updateGroup(group, {
+  const contractDoc = doc(groupContracts(group.id), contract.id)
-      contractIds: uniq([...group.contractIds, contract.id]),
+  await setDoc(contractDoc, {
+    contractId: contract.id,
+    createdTime: Date.now(),
   })
-      .then(() => group)
-      .catch((err) => {
-        console.error('error adding contract to group', err)
-        return err
-      })
-  }
 }
 
 export async function removeContractFromGroup(
   group: Group,
-  contract: Contract,
+  contract: Contract
-  userId: string
 ) {
-  if (!canModifyGroupContracts(group, userId)) return
-
   if (contract.groupLinks?.map((l) => l.groupId).includes(group.id)) {
     const newGroupLinks = contract.groupLinks?.filter(
       (link) => link.slug !== group.slug
@@ -188,23 +205,26 @@ export async function removeContractFromGroup(
     })
   }
 
-  if (group.contractIds.includes(contract.id)) {
+  // delete the contract document in groupContracts collection
-    const newContractIds = group.contractIds.filter((id) => id !== contract.id)
+  const contractDoc = doc(groupContracts(group.id), contract.id)
-    return await updateGroup(group, {
+  await deleteDoc(contractDoc)
-      contractIds: uniq(newContractIds),
-    })
-      .then(() => group)
-      .catch((err) => {
-        console.error('error removing contract from group', err)
-        return err
-      })
-  }
 }
 
-export function canModifyGroupContracts(group: Group, userId: string) {
+export function getGroupLinkToDisplay(contract: Contract) {
-  return (
+  const { groupLinks } = contract
-    group.creatorId === userId ||
+  const sortedGroupLinks = groupLinks?.sort(
-    group.memberIds.includes(userId) ||
+    (a, b) => b.createdTime - a.createdTime
-    group.anyoneCanJoin
   )
+  const groupCreatorAdded = sortedGroupLinks?.find(
+    (g) => g.userId === contract.creatorId
+  )
+  const groupToDisplay = groupCreatorAdded
+    ? groupCreatorAdded
+    : sortedGroupLinks?.[0] ?? null
+  return groupToDisplay
+}
+
+export async function listMembers(group: Group) {
+  const members = await getValues<GroupMemberDoc>(groupMembers(group.id))
+  return await Promise.all(members.map((m) => m.userId).map(getUser))
 }