WIP change probability on contract page on chart hover

2022-09-29 20:19:18 -07:00
305 changed files with 5693 additions and 11597 deletions
--- a/.github/workflows/merge-main-into-main2.yml
+++ b/.github/workflows/merge-main-into-main2.yml
@ -1,17 +0,0 @@
-name: Merge main into main2 on every commit
-on:
-  push:
-    branches:
-      - 'main'
-jobs:
-  merge-branch:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-
-      - name: Merge main -> main2
-        uses: devmasx/merge-branch@master
-        with:
-          type: now
-          target_branch: main2
-          github_token: ${{ github.token }}
--- a/common/.eslintrc.js
+++ b/common/.eslintrc.js
@ -26,7 +26,7 @@ module.exports = {
            caughtErrorsIgnorePattern: '^_',
          },
        ],
-        'unused-imports/no-unused-imports': 'warn',
+        'unused-imports/no-unused-imports': 'error',
      },
    },
  ],
--- a/common/add-liquidity.ts
+++ b/common/add-liquidity.ts
@ -1,4 +1,4 @@
-import { getCpmmLiquidity } from './calculate-cpmm'
+import { addCpmmLiquidity, getCpmmLiquidity } from './calculate-cpmm'
 import { CPMMContract } from './contract'
 import { LiquidityProvision } from './liquidity-provision'

@ -8,23 +8,25 @@ export const getNewLiquidityProvision = (
  contract: CPMMContract,
  newLiquidityProvisionId: string
 ) => {
-  const { pool, p, totalLiquidity, subsidyPool } = contract
+  const { pool, p, totalLiquidity } = contract

-  const liquidity = getCpmmLiquidity(pool, p)
+  const { newPool, newP } = addCpmmLiquidity(pool, p, amount)
+
+  const liquidity =
+    getCpmmLiquidity(newPool, newP) - getCpmmLiquidity(pool, newP)

  const newLiquidityProvision: LiquidityProvision = {
    id: newLiquidityProvisionId,
    userId: userId,
    contractId: contract.id,
    amount,
-    pool,
-    p,
+    pool: newPool,
+    p: newP,
    liquidity,
    createdTime: Date.now(),
  }

  const newTotalLiquidity = (totalLiquidity ?? 0) + amount
-  const newSubsidyPool = (subsidyPool ?? 0) + amount

-  return { newLiquidityProvision, newTotalLiquidity, newSubsidyPool }
+  return { newLiquidityProvision, newPool, newP, newTotalLiquidity }
 }
--- a/common/badge.ts
+++ b/common/badge.ts
@ -1,123 +0,0 @@
-import { User } from './user'
-
-export type Badge = {
-  type: BadgeTypes
-  createdTime: number
-  data: { [key: string]: any }
-  name: 'Proven Correct' | 'Streaker' | 'Market Creator'
-}
-
-export type BadgeTypes = 'PROVEN_CORRECT' | 'STREAKER' | 'MARKET_CREATOR'
-
-export type ProvenCorrectBadgeData = {
-  type: 'PROVEN_CORRECT'
-  data: {
-    contractSlug: string
-    contractCreatorUsername: string
-    contractTitle: string
-    commentId: string
-    betAmount: number
-  }
-}
-
-export type MarketCreatorBadgeData = {
-  type: 'MARKET_CREATOR'
-  data: {
-    totalContractsCreated: number
-  }
-}
-
-export type StreakerBadgeData = {
-  type: 'STREAKER'
-  data: {
-    totalBettingStreak: number
-  }
-}
-
-export type ProvenCorrectBadge = Badge & ProvenCorrectBadgeData
-export type StreakerBadge = Badge & StreakerBadgeData
-export type MarketCreatorBadge = Badge & MarketCreatorBadgeData
-
-export const MINIMUM_UNIQUE_BETTORS_FOR_PROVEN_CORRECT_BADGE = 5
-export const provenCorrectRarityThresholds = [1, 1000, 10000]
-const calculateProvenCorrectBadgeRarity = (badge: ProvenCorrectBadge) => {
-  const { betAmount } = badge.data
-  const thresholdArray = provenCorrectRarityThresholds
-  let i = thresholdArray.length - 1
-  while (i >= 0) {
-    if (betAmount >= thresholdArray[i]) {
-      return i + 1
-    }
-    i--
-  }
-  return 1
-}
-
-export const streakerBadgeRarityThresholds = [1, 50, 250]
-const calculateStreakerBadgeRarity = (badge: StreakerBadge) => {
-  const { totalBettingStreak } = badge.data
-  const thresholdArray = streakerBadgeRarityThresholds
-  let i = thresholdArray.length - 1
-  while (i >= 0) {
-    if (totalBettingStreak == thresholdArray[i]) {
-      return i + 1
-    }
-    i--
-  }
-  return 1
-}
-
-export const marketCreatorBadgeRarityThresholds = [1, 75, 300]
-const calculateMarketCreatorBadgeRarity = (badge: MarketCreatorBadge) => {
-  const { totalContractsCreated } = badge.data
-  const thresholdArray = marketCreatorBadgeRarityThresholds
-  let i = thresholdArray.length - 1
-  while (i >= 0) {
-    if (totalContractsCreated == thresholdArray[i]) {
-      return i + 1
-    }
-    i--
-  }
-  return 1
-}
-
-export type rarities = 'bronze' | 'silver' | 'gold'
-
-const rarityRanks: { [key: number]: rarities } = {
-  1: 'bronze',
-  2: 'silver',
-  3: 'gold',
-}
-
-export const calculateBadgeRarity = (badge: Badge) => {
-  switch (badge.type) {
-    case 'PROVEN_CORRECT':
-      return rarityRanks[
-        calculateProvenCorrectBadgeRarity(badge as ProvenCorrectBadge)
-      ]
-    case 'MARKET_CREATOR':
-      return rarityRanks[
-        calculateMarketCreatorBadgeRarity(badge as MarketCreatorBadge)
-      ]
-    case 'STREAKER':
-      return rarityRanks[calculateStreakerBadgeRarity(badge as StreakerBadge)]
-    default:
-      return rarityRanks[0]
-  }
-}
-
-export const getBadgesByRarity = (user: User | null | undefined) => {
-  const rarities: { [key in rarities]: number } = {
-    bronze: 0,
-    silver: 0,
-    gold: 0,
-  }
-  if (!user) return rarities
-  Object.values(user.achievements).map((value) => {
-    value.badges.map((badge) => {
-      rarities[calculateBadgeRarity(badge)] =
-        (rarities[calculateBadgeRarity(badge)] ?? 0) + 1
-    })
-  })
-  return rarities
-}
--- a/common/calculate-cpmm.ts
+++ b/common/calculate-cpmm.ts
@ -1,10 +1,11 @@
-import { groupBy, mapValues, sumBy } from 'lodash'
+import { sum, groupBy, mapValues, sumBy } from 'lodash'
 import { LimitBet } from './bet'

 import { CREATOR_FEE, Fees, LIQUIDITY_FEE, PLATFORM_FEE } from './fees'
 import { LiquidityProvision } from './liquidity-provision'
 import { computeFills } from './new-bet'
 import { binarySearch } from './util/algos'
+import { addObjects } from './util/object'

 export type CpmmState = {
  pool: { [outcome: string]: number }
@ -146,8 +147,7 @@ function calculateAmountToBuyShares(
  state: CpmmState,
  shares: number,
  outcome: 'YES' | 'NO',
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) {
  // Search for amount between bounds (0, shares).
  // Min share price is M$0, and max is M$1 each.
@ -157,8 +157,7 @@ function calculateAmountToBuyShares(
      amount,
      state,
      undefined,
-      unfilledBets,
-      balanceByUserId
+      unfilledBets
    )

    const totalShares = sumBy(takers, (taker) => taker.shares)
@ -170,8 +169,7 @@ export function calculateCpmmSale(
  state: CpmmState,
  shares: number,
  outcome: 'YES' | 'NO',
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) {
  if (Math.round(shares) < 0) {
    throw new Error('Cannot sell non-positive shares')
@ -182,17 +180,15 @@ export function calculateCpmmSale(
    state,
    shares,
    oppositeOutcome,
-    unfilledBets,
-    balanceByUserId
+    unfilledBets
  )

-  const { cpmmState, makers, takers, totalFees, ordersToCancel } = computeFills(
+  const { cpmmState, makers, takers, totalFees } = computeFills(
    oppositeOutcome,
    buyAmount,
    state,
    undefined,
-    unfilledBets,
-    balanceByUserId
+    unfilledBets
  )

  // Transform buys of opposite outcome into sells.
@ -215,7 +211,6 @@ export function calculateCpmmSale(
    fees: totalFees,
    makers,
    takers: saleTakers,
-    ordersToCancel,
  }
 }

@ -223,16 +218,9 @@ export function getCpmmProbabilityAfterSale(
  state: CpmmState,
  shares: number,
  outcome: 'YES' | 'NO',
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) {
-  const { cpmmState } = calculateCpmmSale(
-    state,
-    shares,
-    outcome,
-    unfilledBets,
-    balanceByUserId
-  )
+  const { cpmmState } = calculateCpmmSale(state, shares, outcome, unfilledBets)
  return getCpmmProbability(cpmmState.pool, cpmmState.p)
 }

@ -266,22 +254,48 @@ export function addCpmmLiquidity(
  return { newPool, liquidity, newP }
 }

-export function getCpmmLiquidityPoolWeights(liquidities: LiquidityProvision[]) {
-  const userAmounts = groupBy(liquidities, (w) => w.userId)
-  const totalAmount = sumBy(liquidities, (w) => w.amount)
+const calculateLiquidityDelta = (p: number) => (l: LiquidityProvision) => {
+  const oldLiquidity = getCpmmLiquidity(l.pool, p)

-  return mapValues(
-    userAmounts,
-    (amounts) => sumBy(amounts, (w) => w.amount) / totalAmount
+  const newPool = addObjects(l.pool, { YES: l.amount, NO: l.amount })
+  const newLiquidity = getCpmmLiquidity(newPool, p)
+
+  const liquidity = newLiquidity - oldLiquidity
+  return liquidity
+}
+
+export function getCpmmLiquidityPoolWeights(
+  state: CpmmState,
+  liquidities: LiquidityProvision[],
+  excludeAntes: boolean
+) {
+  const calcLiqudity = calculateLiquidityDelta(state.p)
+  const liquidityShares = liquidities.map(calcLiqudity)
+  const shareSum = sum(liquidityShares)
+
+  const weights = liquidityShares.map((shares, i) => ({
+    weight: shares / shareSum,
+    providerId: liquidities[i].userId,
+  }))
+
+  const includedWeights = excludeAntes
+    ? weights.filter((_, i) => !liquidities[i].isAnte)
+    : weights
+
+  const userWeights = groupBy(includedWeights, (w) => w.providerId)
+  const totalUserWeights = mapValues(userWeights, (userWeight) =>
+    sumBy(userWeight, (w) => w.weight)
  )
+  return totalUserWeights
 }

 export function getUserLiquidityShares(
  userId: string,
  state: CpmmState,
-  liquidities: LiquidityProvision[]
+  liquidities: LiquidityProvision[],
+  excludeAntes: boolean
 ) {
-  const weights = getCpmmLiquidityPoolWeights(liquidities)
+  const weights = getCpmmLiquidityPoolWeights(state, liquidities, excludeAntes)
  const userWeight = weights[userId] ?? 0

  return mapValues(state.pool, (shares) => userWeight * shares)
--- a/common/calculate-metrics.ts
+++ b/common/calculate-metrics.ts
@ -1,17 +1,9 @@
-import { Dictionary, groupBy, last, partition, sum, sumBy, uniq } from 'lodash'
-import { calculatePayout, getContractBetMetrics } from './calculate'
-import { Bet, LimitBet } from './bet'
-import {
-  Contract,
-  CPMMBinaryContract,
-  CPMMContract,
-  DPMContract,
-} from './contract'
+import { last, 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'
-import { getBinaryCpmmBetInfo, getNewMultiBetInfo } from './new-bet'
-import { getCpmmProbability } from './calculate-cpmm'
-import { removeUndefinedProps } from './util/object'

 const computeInvestmentValue = (
  bets: Bet[],
@ -41,81 +33,13 @@ export const computeInvestmentValueCustomProb = (

    const betP = outcome === 'YES' ? p : 1 - p

-    const value = betP * shares
+    const payout = betP * shares
+    const value = payout - (bet.loanAmount ?? 0)
    if (isNaN(value)) return 0
    return value
  })
 }

-export const computeElasticity = (
-  bets: Bet[],
-  contract: Contract,
-  betAmount = 50
-) => {
-  const { mechanism, outcomeType } = contract
-  return mechanism === 'cpmm-1' &&
-    (outcomeType === 'BINARY' || outcomeType === 'PSEUDO_NUMERIC')
-    ? computeBinaryCpmmElasticity(bets, contract, betAmount)
-    : computeDpmElasticity(contract, betAmount)
-}
-
-export const computeBinaryCpmmElasticity = (
-  bets: Bet[],
-  contract: CPMMContract,
-  betAmount: number
-) => {
-  const limitBets = bets
-    .filter(
-      (b) =>
-        !b.isFilled &&
-        !b.isSold &&
-        !b.isRedemption &&
-        !b.sale &&
-        !b.isCancelled &&
-        b.limitProb !== undefined
-    )
-    .sort((a, b) => a.createdTime - b.createdTime) as LimitBet[]
-
-  const userIds = uniq(limitBets.map((b) => b.userId))
-  // Assume all limit orders are good.
-  const userBalances = Object.fromEntries(
-    userIds.map((id) => [id, Number.MAX_SAFE_INTEGER])
-  )
-
-  const { newPool: poolY, newP: pY } = getBinaryCpmmBetInfo(
-    'YES',
-    betAmount,
-    contract,
-    undefined,
-    limitBets,
-    userBalances
-  )
-  const resultYes = getCpmmProbability(poolY, pY)
-
-  const { newPool: poolN, newP: pN } = getBinaryCpmmBetInfo(
-    'NO',
-    betAmount,
-    contract,
-    undefined,
-    limitBets,
-    userBalances
-  )
-  const resultNo = getCpmmProbability(poolN, pN)
-
-  // handle AMM overflow
-  const safeYes = Number.isFinite(resultYes) ? resultYes : 1
-  const safeNo = Number.isFinite(resultNo) ? resultNo : 0
-
-  return safeYes - safeNo
-}
-
-export const computeDpmElasticity = (
-  contract: DPMContract,
-  betAmount: number
-) => {
-  return getNewMultiBetInfo('', 2 * betAmount, contract).newBet.probAfter
-}
-
 const computeTotalPool = (userContracts: Contract[], startTime = 0) => {
  const periodFilteredContracts = userContracts.filter(
    (contract) => contract.createdTime >= startTime
@ -199,9 +123,14 @@ export const calculateNewPortfolioMetrics = (
 }

 const calculateProfitForPeriod = (
-  startingPortfolio: PortfolioMetrics | undefined,
+  startTime: number,
+  descendingPortfolio: PortfolioMetrics[],
  currentProfit: number
 ) => {
+  const startingPortfolio = descendingPortfolio.find(
+    (p) => p.timestamp < startTime
+  )
+
  if (startingPortfolio === undefined) {
    return currentProfit
  }
@ -216,100 +145,33 @@ export const calculatePortfolioProfit = (portfolio: PortfolioMetrics) => {
 }

 export const calculateNewProfit = (
-  portfolioHistory: Record<
-    'current' | 'day' | 'week' | 'month',
-    PortfolioMetrics | undefined
-  >,
+  portfolioHistory: PortfolioMetrics[],
  newPortfolio: PortfolioMetrics
 ) => {
  const allTimeProfit = calculatePortfolioProfit(newPortfolio)
+  const descendingPortfolio = sortBy(
+    portfolioHistory,
+    (p) => p.timestamp
+  ).reverse()

  const newProfit = {
-    daily: calculateProfitForPeriod(portfolioHistory.day, allTimeProfit),
-    weekly: calculateProfitForPeriod(portfolioHistory.week, allTimeProfit),
-    monthly: calculateProfitForPeriod(portfolioHistory.month, allTimeProfit),
+    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
 }
-
-export const calculateMetricsByContract = (
-  bets: Bet[],
-  contractsById: Dictionary<Contract>
-) => {
-  const betsByContract = groupBy(bets, (bet) => bet.contractId)
-  const unresolvedContracts = Object.keys(betsByContract)
-    .map((cid) => contractsById[cid])
-    .filter((c) => c && !c.isResolved)
-
-  return unresolvedContracts.map((c) => {
-    const bets = betsByContract[c.id] ?? []
-    const current = getContractBetMetrics(c, bets)
-
-    let periodMetrics
-    if (c.mechanism === 'cpmm-1' && c.outcomeType === 'BINARY') {
-      const periods = ['day', 'week', 'month'] as const
-      periodMetrics = Object.fromEntries(
-        periods.map((period) => [
-          period,
-          calculatePeriodProfit(c, bets, period),
-        ])
-      )
-    }
-
-    return removeUndefinedProps({
-      contractId: c.id,
-      ...current,
-      from: periodMetrics,
-    })
-  })
-}
-
-export type ContractMetrics = ReturnType<
-  typeof calculateMetricsByContract
->[number]
-
-const calculatePeriodProfit = (
-  contract: CPMMBinaryContract,
-  bets: Bet[],
-  period: 'day' | 'week' | 'month'
-) => {
-  const days = period === 'day' ? 1 : period === 'week' ? 7 : 30
-  const fromTime = Date.now() - days * DAY_MS
-  const [previousBets, recentBets] = partition(
-    bets,
-    (b) => b.createdTime < fromTime
-  )
-
-  const prevProb = contract.prob - contract.probChanges[period]
-  const prob = contract.resolutionProbability
-    ? contract.resolutionProbability
-    : contract.prob
-
-  const previousBetsValue = computeInvestmentValueCustomProb(
-    previousBets,
-    contract,
-    prevProb
-  )
-  const currentBetsValue = computeInvestmentValueCustomProb(
-    previousBets,
-    contract,
-    prob
-  )
-
-  const { profit: recentProfit, invested: recentInvested } =
-    getContractBetMetrics(contract, recentBets)
-
-  const profit = currentBetsValue - previousBetsValue + recentProfit
-  const invested = previousBetsValue + recentInvested
-  const profitPercent = invested === 0 ? 0 : 100 * (profit / invested)
-
-  return {
-    profit,
-    profitPercent,
-    invested,
-    prevValue: previousBetsValue,
-    value: currentBetsValue,
-  }
-}
--- a/common/calculate.ts
+++ b/common/calculate.ts
@ -78,8 +78,7 @@ export function calculateShares(
 export function calculateSaleAmount(
  contract: Contract,
  bet: Bet,
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) {
  return contract.mechanism === 'cpmm-1' &&
    (contract.outcomeType === 'BINARY' ||
@ -88,8 +87,7 @@ export function calculateSaleAmount(
        contract,
        Math.abs(bet.shares),
        bet.outcome as 'YES' | 'NO',
-        unfilledBets,
-        balanceByUserId
+        unfilledBets
      ).saleValue
    : calculateDpmSaleAmount(contract, bet)
 }
@ -104,16 +102,14 @@ export function getProbabilityAfterSale(
  contract: Contract,
  outcome: string,
  shares: number,
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) {
  return contract.mechanism === 'cpmm-1'
    ? getCpmmProbabilityAfterSale(
        contract,
        shares,
        outcome as 'YES' | 'NO',
-        unfilledBets,
-        balanceByUserId
+        unfilledBets
      )
    : getDpmProbabilityAfterSale(contract.totalShares, outcome, shares)
 }
@ -178,8 +174,6 @@ function getDpmInvested(yourBets: Bet[]) {
  })
 }

-export type ContractBetMetrics = ReturnType<typeof getContractBetMetrics>
-
 export function getContractBetMetrics(contract: Contract, yourBets: Bet[]) {
  const { resolution } = contract
  const isCpmm = contract.mechanism === 'cpmm-1'
@ -216,8 +210,9 @@ export function getContractBetMetrics(contract: Contract, yourBets: Bet[]) {
    }
  }

+  const netPayout = payout - loan
  const profit = payout + saleValue + redeemed - totalInvested
-  const profitPercent = totalInvested === 0 ? 0 : (profit / totalInvested) * 100
+  const profitPercent = (profit / totalInvested) * 100

  const invested = isCpmm ? getCpmmInvested(yourBets) : getDpmInvested(yourBets)
  const hasShares = Object.values(totalShares).some(
@ -226,8 +221,8 @@ export function getContractBetMetrics(contract: Contract, yourBets: Bet[]) {

  return {
    invested,
-    loan,
    payout,
+    netPayout,
    profit,
    profitPercent,
    totalShares,
@ -238,8 +233,8 @@ export function getContractBetMetrics(contract: Contract, yourBets: Bet[]) {
 export function getContractBetNullMetrics() {
  return {
    invested: 0,
-    loan: 0,
    payout: 0,
+    netPayout: 0,
    profit: 0,
    profitPercent: 0,
    totalShares: {} as { [outcome: string]: number },
--- a/common/charity.ts
+++ b/common/charity.ts
@ -576,7 +576,7 @@ Work towards sustainable, systemic change.`,

 If you would like to support our work, you can do so by getting involved or by donating.`,
  },
-  {
+    {
    name: 'CaRLA',
    website: 'https://carlaef.org/',
    photo: 'https://i.imgur.com/IsNVTOY.png',
@ -589,15 +589,6 @@ CaRLA uses legal advocacy and education to ensure all cities comply with their o

 In addition to housing impact litigation, we provide free legal aid, education and workshops, counseling and advocacy to advocates, homeowners, small developers, and city and state government officials.`,
  },
-  {
-    name: 'Mriya',
-    website: 'https://mriya-ua.org/',
-    photo:
-      'https://firebasestorage.googleapis.com/v0/b/mantic-markets.appspot.com/o/user-images%2Fdefault%2Fci2h3hStFM.47?alt=media&token=0d2cdc3d-e4d8-4f5e-8f23-4a586b6ff637',
-    preview: 'Donate supplies to soldiers in Ukraine',
-    description:
-      'Donate supplies to soldiers in Ukraine, including tourniquets and plate carriers.',
-  },
 ].map((charity) => {
  const slug = charity.name.toLowerCase().replace(/\s/g, '-')
  return {
--- a/common/comment.ts
+++ b/common/comment.ts
@ -18,7 +18,6 @@ export type Comment<T extends AnyCommentType = AnyCommentType> = {
  userName: string
  userUsername: string
  userAvatarUrl?: string
-  bountiesAwarded?: number
 } & T

 export type OnContract = {
--- a/common/contract-details.ts
+++ b/common/contract-details.ts
@ -30,7 +30,7 @@ export function contractTextDetails(contract: Contract) {
  const { closeTime, groupLinks } = contract
  const { createdDate, resolvedDate, volumeLabel } = contractMetrics(contract)

-  const groupHashtags = groupLinks?.map((g) => `#${g.name.replace(/ /g, '')}`)
+  const groupHashtags = groupLinks?.slice(0, 5).map((g) => `#${g.name}`)

  return (
    `${resolvedDate ? `${createdDate} - ${resolvedDate}` : createdDate}` +
--- a/common/contract.ts
+++ b/common/contract.ts
@ -10,7 +10,6 @@ export type AnyOutcomeType =
  | PseudoNumeric
  | FreeResponse
  | Numeric
-
 export type AnyContractType =
  | (CPMM & Binary)
  | (CPMM & PseudoNumeric)
@ -50,7 +49,6 @@ export type Contract<T extends AnyContractType = AnyContractType> = {
  volume: number
  volume24Hours: number
  volume7Days: number
-  elasticity: number

  collectedFees: Fees

@ -64,9 +62,6 @@ export type Contract<T extends AnyContractType = AnyContractType> = {
  featuredOnHomeRank?: number
  likedByUserIds?: string[]
  likedByUserCount?: number
-  flaggedByUsernames?: string[]
-  openCommentBounties?: number
-  unlistedById?: string
 } & T

 export type BinaryContract = Contract & Binary
@ -92,8 +87,7 @@ export type CPMM = {
  mechanism: 'cpmm-1'
  pool: { [outcome: string]: number }
  p: number // probability constant in y^p * n^(1-p) = k
-  totalLiquidity: number // for historical reasons, this the total subsidy amount added in M$
-  subsidyPool: number // current value of subsidy pool in M$
+  totalLiquidity: number // in M$
  prob: number
  probChanges: {
    day: number
--- a/common/economy.ts
+++ b/common/economy.ts
@ -11,10 +11,7 @@ export const REFERRAL_AMOUNT = econ?.REFERRAL_AMOUNT ?? 250

 export const UNIQUE_BETTOR_BONUS_AMOUNT = econ?.UNIQUE_BETTOR_BONUS_AMOUNT ?? 10
 export const BETTING_STREAK_BONUS_AMOUNT =
-  econ?.BETTING_STREAK_BONUS_AMOUNT ?? 5
-export const BETTING_STREAK_BONUS_MAX = econ?.BETTING_STREAK_BONUS_MAX ?? 25
+  econ?.BETTING_STREAK_BONUS_AMOUNT ?? 10
+export const BETTING_STREAK_BONUS_MAX = econ?.BETTING_STREAK_BONUS_MAX ?? 50
 export const BETTING_STREAK_RESET_HOUR = econ?.BETTING_STREAK_RESET_HOUR ?? 7
 export const FREE_MARKETS_PER_USER_MAX = econ?.FREE_MARKETS_PER_USER_MAX ?? 5
-export const COMMENT_BOUNTY_AMOUNT = econ?.COMMENT_BOUNTY_AMOUNT ?? 250
-
-export const UNIQUE_BETTOR_LIQUIDITY = 20
--- a/common/envs/dev.ts
+++ b/common/envs/dev.ts
@ -16,6 +16,7 @@ export const DEV_CONFIG: EnvConfig = {
  cloudRunId: 'w3txbmd3ba',
  cloudRunRegion: 'uc',
  amplitudeApiKey: 'fd8cbfd964b9a205b8678a39faae71b3',
-  twitchBotEndpoint: 'https://dev-twitch-bot.manifold.markets',
+  // this is Phil's deployment
+  twitchBotEndpoint: 'https://king-prawn-app-5btyw.ondigitalocean.app',
  sprigEnvironmentId: 'Tu7kRZPm7daP',
 }
--- a/common/envs/prod.ts
+++ b/common/envs/prod.ts
@ -41,7 +41,6 @@ export type Economy = {
  BETTING_STREAK_BONUS_MAX?: number
  BETTING_STREAK_RESET_HOUR?: number
  FREE_MARKETS_PER_USER_MAX?: number
-  COMMENT_BOUNTY_AMOUNT?: number
 }

 type FirebaseConfig = {
@ -70,7 +69,7 @@ export const PROD_CONFIG: EnvConfig = {
    appId: '1:128925704902:web:f61f86944d8ffa2a642dc7',
    measurementId: 'G-SSFK1Q138D',
  },
-  twitchBotEndpoint: 'https://twitch-bot.manifold.markets',
+  twitchBotEndpoint: 'https://twitch-bot-nggbo3neva-uc.a.run.app',
  cloudRunId: 'nggbo3neva',
  cloudRunRegion: 'uc',
  adminEmails: [
--- a/common/fees.ts
+++ b/common/fees.ts
@ -1,5 +1,3 @@
-export const FLAT_TRADE_FEE = 0.1 // M$0.1
-
 export const PLATFORM_FEE = 0
 export const CREATOR_FEE = 0
 export const LIQUIDITY_FEE = 0
--- a/common/globalConfig.ts
+++ b/common/globalConfig.ts
@ -1,3 +0,0 @@
-export type GlobalConfig = {
-  pinnedItems: { itemId: string; type: 'post' | 'contract' }[]
-}
--- a/common/group.ts
+++ b/common/group.ts
@ -23,7 +23,6 @@ export type Group = {
      score: number
    }[]
  }
-  pinnedItems: { itemId: string; type: 'post' | 'contract' }[]
 }

 export const MAX_GROUP_NAME_LENGTH = 75
@ -39,4 +38,3 @@ export type GroupLink = {
  createdTime: number
  userId?: string
 }
-export type GroupContractDoc = { contractId: string; createdTime: number }
--- a/common/like.ts
+++ b/common/like.ts
@ -1,9 +1,8 @@
 export type Like = {
  id: string // will be id of the object liked, i.e. contract.id
  userId: string
-  type: 'contract' | 'post'
+  type: 'contract'
  createdTime: number
  tipTxnId?: string // only holds most recent tip txn id
 }
-export const LIKE_TIP_AMOUNT = 10
-export const TIP_UNDO_DURATION = 2000
+export const LIKE_TIP_AMOUNT = 5
--- a/common/new-bet.ts
+++ b/common/new-bet.ts
@ -17,7 +17,8 @@ import {
 import {
  CPMMBinaryContract,
  DPMBinaryContract,
-  DPMContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
  NumericContract,
  PseudoNumericContract,
 } from './contract'
@ -143,8 +144,7 @@ export const computeFills = (
  betAmount: number,
  state: CpmmState,
  limitProb: number | undefined,
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) => {
  if (isNaN(betAmount)) {
    throw new Error('Invalid bet amount: ${betAmount}')
@ -166,12 +166,10 @@ export const computeFills = (
    shares: number
    timestamp: number
  }[] = []
-  const ordersToCancel: LimitBet[] = []

  let amount = betAmount
  let cpmmState = { pool: state.pool, p: state.p }
  let totalFees = noFees
-  const currentBalanceByUserId = { ...balanceByUserId }

  let i = 0
  while (true) {
@ -188,20 +186,9 @@ export const computeFills = (
      takers.push(taker)
    } else {
      // Matched against bet.
-      i++
-      const { userId } = maker.bet
-      const makerBalance = currentBalanceByUserId[userId]
-
-      if (floatingGreaterEqual(makerBalance, maker.amount)) {
-        currentBalanceByUserId[userId] = makerBalance - maker.amount
-      } else {
-        // Insufficient balance. Cancel maker bet.
-        ordersToCancel.push(maker.bet)
-        continue
-      }
-
      takers.push(taker)
      makers.push(maker)
+      i++
    }

    amount -= taker.amount
@ -209,7 +196,7 @@ export const computeFills = (
    if (floatingEqual(amount, 0)) break
  }

-  return { takers, makers, totalFees, cpmmState, ordersToCancel }
+  return { takers, makers, totalFees, cpmmState }
 }

 export const getBinaryCpmmBetInfo = (
@ -217,17 +204,15 @@ export const getBinaryCpmmBetInfo = (
  betAmount: number,
  contract: CPMMBinaryContract | PseudoNumericContract,
  limitProb: number | undefined,
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) => {
  const { pool, p } = contract
-  const { takers, makers, cpmmState, totalFees, ordersToCancel } = computeFills(
+  const { takers, makers, cpmmState, totalFees } = computeFills(
    outcome,
    betAmount,
    { pool, p },
    limitProb,
-    unfilledBets,
-    balanceByUserId
+    unfilledBets
  )
  const probBefore = getCpmmProbability(contract.pool, contract.p)
  const probAfter = getCpmmProbability(cpmmState.pool, cpmmState.p)
@ -262,7 +247,6 @@ export const getBinaryCpmmBetInfo = (
    newP: cpmmState.p,
    newTotalLiquidity,
    makers,
-    ordersToCancel,
  }
 }

@ -271,16 +255,14 @@ export const getBinaryBetStats = (
  betAmount: number,
  contract: CPMMBinaryContract | PseudoNumericContract,
  limitProb: number,
-  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number }
+  unfilledBets: LimitBet[]
 ) => {
  const { newBet } = getBinaryCpmmBetInfo(
    outcome,
    betAmount ?? 0,
    contract,
    limitProb,
-    unfilledBets,
-    balanceByUserId
+    unfilledBets as LimitBet[]
  )
  const remainingMatched =
    ((newBet.orderAmount ?? 0) - newBet.amount) /
@ -343,7 +325,7 @@ export const getNewBinaryDpmBetInfo = (
 export const getNewMultiBetInfo = (
  outcome: string,
  amount: number,
-  contract: DPMContract
+  contract: FreeResponseContract | MultipleChoiceContract
 ) => {
  const { pool, totalShares, totalBets } = contract

--- a/common/new-contract.ts
+++ b/common/new-contract.ts
@ -12,6 +12,7 @@ import {
  visibility,
 } from './contract'
 import { User } from './user'
+import { parseTags, richTextToString } from './util/parse'
 import { removeUndefinedProps } from './util/object'
 import { JSONContent } from '@tiptap/core'

@ -37,6 +38,15 @@ export function getNewContract(
  answers: string[],
  visibility: visibility
 ) {
+  const tags = parseTags(
+    [
+      question,
+      richTextToString(description),
+      ...extraTags.map((tag) => `#${tag}`),
+    ].join(' ')
+  )
+  const lowercaseTags = tags.map((tag) => tag.toLowerCase())
+
  const propsByOutcomeType =
    outcomeType === 'BINARY'
      ? getBinaryCpmmProps(initialProb, ante) // getBinaryDpmProps(initialProb, ante)
@ -60,10 +70,9 @@ export function getNewContract(

    question: question.trim(),
    description,
-    tags: [],
-    lowercaseTags: [],
+    tags,
+    lowercaseTags,
    visibility,
-    unlistedById: visibility === 'unlisted' ? creator.id : undefined,
    isResolved: false,
    createdTime: Date.now(),
    closeTime,
@ -71,7 +80,6 @@ export function getNewContract(
    volume: 0,
    volume24Hours: 0,
    volume7Days: 0,
-    elasticity: propsByOutcomeType.mechanism === 'cpmm-1' ? 0.38 : 0.75,

    collectedFees: {
      creatorFee: 0,
@ -112,7 +120,6 @@ const getBinaryCpmmProps = (initialProb: number, ante: number) => {
    mechanism: 'cpmm-1',
    outcomeType: 'BINARY',
    totalLiquidity: ante,
-    subsidyPool: 0,
    initialProbability: p,
    p,
    pool: pool,
--- a/common/notification.ts
+++ b/common/notification.ts
@ -4,7 +4,7 @@ export type Notification = {
  id: string
  userId: string
  reasonText?: string
-  reason?: notification_reason_types | notification_preference
+  reason?: notification_reason_types
  createdTime: number
  viewTime?: number
  isSeen: boolean
@ -46,7 +46,6 @@ export type notification_source_types =
  | 'loan'
  | 'like'
  | 'tip_and_like'
-  | 'badge'

 export type notification_source_update_types =
  | 'created'
@ -97,7 +96,6 @@ type notification_descriptions = {
  [key in notification_preference]: {
    simple: string
    detailed: string
-    necessary?: boolean
  }
 }
 export const NOTIFICATION_DESCRIPTIONS: notification_descriptions = {
@ -118,8 +116,8 @@ export const NOTIFICATION_DESCRIPTIONS: notification_descriptions = {
    detailed: "Only answers by market creator on markets you're watching",
  },
  betting_streaks: {
-    simple: `For prediction streaks`,
-    detailed: `Bonuses for predictions made over consecutive days (Prediction streaks)})`,
+    simple: 'For predictions made over consecutive days',
+    detailed: 'Bonuses for predictions made over consecutive days',
  },
  comments_by_followed_users_on_watched_markets: {
    simple: 'Only comments by users you follow',
@ -161,8 +159,8 @@ export const NOTIFICATION_DESCRIPTIONS: notification_descriptions = {
    detailed: 'Large changes in probability on markets that you watch',
  },
  profit_loss_updates: {
-    simple: 'Weekly portfolio updates',
-    detailed: 'Weekly portfolio updates',
+    simple: 'Weekly profit and loss updates',
+    detailed: 'Weekly profit and loss updates',
  },
  referral_bonuses: {
    simple: 'For referring new users',
@ -210,9 +208,8 @@ export const NOTIFICATION_DESCRIPTIONS: notification_descriptions = {
    detailed: 'Bonuses for unique predictors on your markets',
  },
  your_contract_closed: {
-    simple: 'Your market has closed and you need to resolve it (necessary)',
-    detailed: 'Your market has closed and you need to resolve it (necessary)',
-    necessary: true,
+    simple: 'Your market has closed and you need to resolve it',
+    detailed: 'Your market has closed and you need to resolve it',
  },
  all_comments_on_watched_markets: {
    simple: 'All new comments',
@ -238,15 +235,6 @@ export const NOTIFICATION_DESCRIPTIONS: notification_descriptions = {
    simple: `Only on markets you're invested in`,
    detailed: `Answers on markets that you're watching and that you're invested in`,
  },
-  badges_awarded: {
-    simple: 'New badges awarded',
-    detailed: 'New badges you have earned',
-  },
-  opt_out_all: {
-    simple: 'Opt out of all notifications (excludes when your markets close)',
-    detailed:
-      'Opt out of all notifications excluding your own market closure notifications',
-  },
 }

 export type BettingStreakData = {
--- a/common/package.json
+++ b/common/package.json
@ -8,13 +8,11 @@
  },
  "sideEffects": false,
  "dependencies": {
-    "@tiptap/core": "2.0.0-beta.199",
-    "@tiptap/extension-image": "2.0.0-beta.199",
-    "@tiptap/extension-link": "2.0.0-beta.199",
-    "@tiptap/extension-mention": "2.0.0-beta.199",
-    "@tiptap/html": "2.0.0-beta.199",
-    "@tiptap/starter-kit": "2.0.0-beta.199",
-    "@tiptap/suggestion": "2.0.0-beta.199",
+    "@tiptap/core": "2.0.0-beta.182",
+    "@tiptap/extension-image": "2.0.0-beta.30",
+    "@tiptap/extension-link": "2.0.0-beta.43",
+    "@tiptap/extension-mention": "2.0.0-beta.102",
+    "@tiptap/starter-kit": "2.0.0-beta.191",
    "lodash": "4.17.21"
  },
  "devDependencies": {
--- a/common/payouts-fixed.ts
+++ b/common/payouts-fixed.ts
@ -1,3 +1,4 @@
+
 import { Bet } from './bet'
 import { getProbability } from './calculate'
 import { getCpmmLiquidityPoolWeights } from './calculate-cpmm'
@ -55,11 +56,10 @@ export const getLiquidityPoolPayouts = (
  outcome: string,
  liquidities: LiquidityProvision[]
 ) => {
-  const { pool, subsidyPool } = contract
-  const finalPool = pool[outcome] + (subsidyPool ?? 0)
-  if (finalPool < 1e-3) return []
+  const { pool } = contract
+  const finalPool = pool[outcome]

-  const weights = getCpmmLiquidityPoolWeights(liquidities)
+  const weights = getCpmmLiquidityPoolWeights(contract, liquidities, false)

  return Object.entries(weights).map(([providerId, weight]) => ({
    userId: providerId,
@ -95,11 +95,10 @@ export const getLiquidityPoolProbPayouts = (
  p: number,
  liquidities: LiquidityProvision[]
 ) => {
-  const { pool, subsidyPool } = contract
-  const finalPool = p * pool.YES + (1 - p) * pool.NO + (subsidyPool ?? 0)
-  if (finalPool < 1e-3) return []
+  const { pool } = contract
+  const finalPool = p * pool.YES + (1 - p) * pool.NO

-  const weights = getCpmmLiquidityPoolWeights(liquidities)
+  const weights = getCpmmLiquidityPoolWeights(contract, liquidities, false)

  return Object.entries(weights).map(([providerId, weight]) => ({
    userId: providerId,
--- a/common/post.ts
+++ b/common/post.ts
@ -3,19 +3,10 @@ import { JSONContent } from '@tiptap/core'
 export type Post = {
  id: string
  title: string
-  subtitle: string
  content: JSONContent
  creatorId: string // User id
  createdTime: number
  slug: string
-
-  // denormalized user fields
-  creatorName: string
-  creatorUsername: string
-  creatorAvatarUrl?: string
-
-  likedByUserIds?: string[]
-  likedByUserCount?: number
 }

 export type DateDoc = Post & {
@ -26,4 +17,3 @@ export type DateDoc = Post & {
 }

 export const MAX_POST_TITLE_LENGTH = 480
-export const MAX_POST_SUBTITLE_LENGTH = 480
--- a/common/scoring.ts
+++ b/common/scoring.ts
@ -1,9 +1,8 @@
-import { groupBy, sumBy, mapValues, keyBy, sortBy } from 'lodash'
+import { groupBy, sumBy, mapValues } from 'lodash'

 import { Bet } from './bet'
-import { getContractBetMetrics, resolvedPayout } from './calculate'
+import { getContractBetMetrics } from './calculate'
 import { Contract } from './contract'
-import { ContractComment } from './comment'

 export function scoreCreators(contracts: Contract[]) {
  const creatorScore = mapValues(
@ -31,11 +30,8 @@ export function scoreTraders(contracts: Contract[], bets: Bet[][]) {
 }

 export function scoreUsersByContract(contract: Contract, bets: Bet[]) {
-  const betsByUser = groupBy(bets, (bet) => bet.userId)
-  return mapValues(
-    betsByUser,
-    (bets) => getContractBetMetrics(contract, bets).profit
-  )
+  const betsByUser = groupBy(bets, bet => bet.userId)
+  return mapValues(betsByUser, bets => getContractBetMetrics(contract, bets).profit)
 }

 export function addUserScores(
@ -47,47 +43,3 @@ export function addUserScores(
    dest[userId] += score
  }
 }
-
-export function scoreCommentorsAndBettors(
-  contract: Contract,
-  bets: Bet[],
-  comments: ContractComment[]
-) {
-  const commentsById = keyBy(comments, 'id')
-  const betsById = keyBy(bets, 'id')
-
-  // If 'id2' is the sale of 'id1', both are logged with (id2 - id1) of profit
-  // Otherwise, we record the profit at resolution time
-  const profitById: Record<string, number> = {}
-  for (const bet of bets) {
-    if (bet.sale) {
-      const originalBet = betsById[bet.sale.betId]
-      const profit = bet.sale.amount - originalBet.amount
-      profitById[bet.id] = profit
-      profitById[originalBet.id] = profit
-    } else {
-      profitById[bet.id] = resolvedPayout(contract, bet) - bet.amount
-    }
-  }
-
-  // Now find the betId with the highest profit
-  const topBetId = sortBy(bets, (b) => -profitById[b.id])[0]?.id
-  const topBettor = betsById[topBetId]?.userName
-
-  // And also the commentId of the comment with the highest profit
-  const topCommentId = sortBy(
-    comments,
-    (c) => c.betId && -profitById[c.betId]
-  )[0]?.id
-  const topCommentBetId = commentsById[topCommentId]?.betId
-
-  return {
-    topCommentId,
-    topBetId,
-    topBettor,
-    profitById,
-    commentsById,
-    betsById,
-    topCommentBetId,
-  }
-}
--- a/common/sell-bet.ts
+++ b/common/sell-bet.ts
@ -84,17 +84,15 @@ export const getCpmmSellBetInfo = (
  outcome: 'YES' | 'NO',
  contract: CPMMContract,
  unfilledBets: LimitBet[],
-  balanceByUserId: { [userId: string]: number },
  loanPaid: number
 ) => {
  const { pool, p } = contract

-  const { saleValue, cpmmState, fees, makers, takers, ordersToCancel } = calculateCpmmSale(
+  const { saleValue, cpmmState, fees, makers, takers } = calculateCpmmSale(
    contract,
    shares,
    outcome,
-    unfilledBets,
-    balanceByUserId,
+    unfilledBets
  )

  const probBefore = getCpmmProbability(pool, p)
@ -136,6 +134,5 @@ export const getCpmmSellBetInfo = (
    fees,
    makers,
    takers,
-    ordersToCancel
  }
 }
--- a/common/txn.ts
+++ b/common/txn.ts
@ -8,7 +8,6 @@ type AnyTxnType =
  | UniqueBettorBonus
  | BettingStreakBonus
  | CancelUniqueBettorBonus
-  | CommentBountyRefund
 type SourceType = 'USER' | 'CONTRACT' | 'CHARITY' | 'BANK'

 export type Txn<T extends AnyTxnType = AnyTxnType> = {
@ -32,8 +31,6 @@ export type Txn<T extends AnyTxnType = AnyTxnType> = {
    | 'UNIQUE_BETTOR_BONUS'
    | 'BETTING_STREAK_BONUS'
    | 'CANCEL_UNIQUE_BETTOR_BONUS'
-    | 'COMMENT_BOUNTY'
-    | 'REFUND_COMMENT_BOUNTY'

  // Any extra data
  data?: { [key: string]: any }
@ -101,34 +98,6 @@ type CancelUniqueBettorBonus = {
  }
 }

-type CommentBountyDeposit = {
-  fromType: 'USER'
-  toType: 'BANK'
-  category: 'COMMENT_BOUNTY'
-  data: {
-    contractId: string
-  }
-}
-
-type CommentBountyWithdrawal = {
-  fromType: 'BANK'
-  toType: 'USER'
-  category: 'COMMENT_BOUNTY'
-  data: {
-    contractId: string
-    commentId: string
-  }
-}
-
-type CommentBountyRefund = {
-  fromType: 'BANK'
-  toType: 'USER'
-  category: 'REFUND_COMMENT_BOUNTY'
-  data: {
-    contractId: string
-  }
-}
-
 export type DonationTxn = Txn & Donation
 export type TipTxn = Txn & Tip
 export type ManalinkTxn = Txn & Manalink
@ -136,5 +105,3 @@ export type ReferralTxn = Txn & Referral
 export type BettingStreakBonusTxn = Txn & BettingStreakBonus
 export type UniqueBettorBonusTxn = Txn & UniqueBettorBonus
 export type CancelUniqueBettorBonusTxn = Txn & CancelUniqueBettorBonus
-export type CommentBountyDepositTxn = Txn & CommentBountyDeposit
-export type CommentBountyWithdrawalTxn = Txn & CommentBountyWithdrawal
--- a/common/user-notification-preferences.ts
+++ b/common/user-notification-preferences.ts
@ -53,9 +53,6 @@ export type notification_preferences = {
  profit_loss_updates: notification_destination_types[]
  onboarding_flow: notification_destination_types[]
  thank_you_for_purchases: notification_destination_types[]
-  badges_awarded: notification_destination_types[]
-  opt_out_all: notification_destination_types[]
-  // When adding a new notification preference, use add-new-notification-preference.ts to existing users
 }

 export const getDefaultNotificationPreferences = (
@ -68,7 +65,7 @@ export const getDefaultNotificationPreferences = (
    const email = noEmails ? undefined : emailIf ? 'email' : undefined
    return filterDefined([browser, email]) as notification_destination_types[]
  }
-  const defaults: notification_preferences = {
+  return {
    // Watched Markets
    all_comments_on_watched_markets: constructPref(true, false),
    all_answers_on_watched_markets: constructPref(true, false),
@ -110,7 +107,7 @@ export const getDefaultNotificationPreferences = (
    loan_income: constructPref(true, false),
    betting_streaks: constructPref(true, false),
    referral_bonuses: constructPref(true, true),
-    unique_bettors_on_your_contract: constructPref(true, true),
+    unique_bettors_on_your_contract: constructPref(true, false),
    tipped_comments_on_watched_markets: constructPref(true, true),
    tips_on_your_markets: constructPref(true, true),
    limit_order_fills: constructPref(true, false),
@ -124,11 +121,7 @@ export const getDefaultNotificationPreferences = (
    probability_updates_on_watched_markets: constructPref(true, false),
    thank_you_for_purchases: constructPref(false, false),
    onboarding_flow: constructPref(false, false),
-
-    opt_out_all: [],
-    badges_awarded: constructPref(true, false),
-  }
-  return defaults
+  } as notification_preferences
 }

 // Adding a new key:value here is optional, you can just use a key of notification_subscription_types
@ -179,44 +172,23 @@ export const getNotificationDestinationsForUser = (
  reason: notification_reason_types | notification_preference
 ) => {
  const notificationSettings = privateUser.notificationPreferences
+  let destinations
+  let subscriptionType: notification_preference | undefined
+  if (Object.keys(notificationSettings).includes(reason)) {
+    subscriptionType = reason as notification_preference
+    destinations = notificationSettings[subscriptionType]
+  } else {
+    const key = reason as notification_reason_types
+    subscriptionType = notificationReasonToSubscriptionType[key]
+    destinations = subscriptionType
+      ? notificationSettings[subscriptionType]
+      : []
+  }
  const unsubscribeEndpoint = getFunctionUrl('unsubscribe')
-  try {
-    let destinations
-    let subscriptionType: notification_preference | undefined
-    if (Object.keys(notificationSettings).includes(reason)) {
-      subscriptionType = reason as notification_preference
-      destinations = notificationSettings[subscriptionType]
-    } else {
-      const key = reason as notification_reason_types
-      subscriptionType = notificationReasonToSubscriptionType[key]
-      destinations = subscriptionType
-        ? notificationSettings[subscriptionType]
-        : []
-    }
-    const optOutOfAllSettings = notificationSettings['opt_out_all']
-    // Your market closure notifications are high priority, opt-out doesn't affect their delivery
-    const optedOutOfEmail =
-      optOutOfAllSettings.includes('email') &&
-      subscriptionType !== 'your_contract_closed'
-    const optedOutOfBrowser =
-      optOutOfAllSettings.includes('browser') &&
-      subscriptionType !== 'your_contract_closed'
-    return {
-      sendToEmail: destinations.includes('email') && !optedOutOfEmail,
-      sendToBrowser: destinations.includes('browser') && !optedOutOfBrowser,
-      unsubscribeUrl: `${unsubscribeEndpoint}?id=${privateUser.id}&type=${subscriptionType}`,
-      urlToManageThisNotification: `${DOMAIN}/notifications?tab=settings&section=${subscriptionType}`,
-    }
-  } catch (e) {
-    // Fail safely
-    console.log(
-      `couldn't get notification destinations for type ${reason} for user ${privateUser.id}`
-    )
-    return {
-      sendToEmail: false,
-      sendToBrowser: false,
-      unsubscribeUrl: '',
-      urlToManageThisNotification: '',
-    }
+  return {
+    sendToEmail: destinations.includes('email'),
+    sendToBrowser: destinations.includes('browser'),
+    unsubscribeUrl: `${unsubscribeEndpoint}?id=${privateUser.id}&type=${subscriptionType}`,
+    urlToManageThisNotification: `${DOMAIN}/notifications?tab=settings&section=${subscriptionType}`,
  }
 }
--- a/common/user.ts
+++ b/common/user.ts
@ -1,6 +1,5 @@
 import { notification_preferences } from './user-notification-preferences'
-import { ENV_CONFIG } from './envs/constants'
-import { MarketCreatorBadge, ProvenCorrectBadge, StreakerBadge } from './badge'
+import { ENV_CONFIG } from 'common/envs/constants'

 export type User = {
  id: string
@ -12,6 +11,7 @@ export type User = {

  // For their user page
  bio?: string
+  bannerUrl?: string
  website?: string
  twitterHandle?: string
  discordHandle?: string
@ -33,8 +33,6 @@ export type User = {
    allTime: number
  }

-  fractionResolvedCorrectly: number
-
  nextLoanCached: number
  followerCountCached: number

@ -51,18 +49,6 @@ export type User = {
  hasSeenContractFollowModal?: boolean
  freeMarketsCreated?: number
  isBannedFromPosting?: boolean
-
-  achievements: {
-    provenCorrect?: {
-      badges: ProvenCorrectBadge[]
-    }
-    marketCreator?: {
-      badges: MarketCreatorBadge[]
-    }
-    streaker?: {
-      badges: StreakerBadge[]
-    }
-  }
 }

 export type PrivateUser = {
@ -93,8 +79,7 @@ export type PortfolioMetrics = {
  userId: string
 }

-export const MANIFOLD_USER_USERNAME = 'ManifoldMarkets'
-export const MANIFOLD_USER_NAME = 'ManifoldMarkets'
+export const MANIFOLD_USERNAME = 'ManifoldMarkets'
 export const MANIFOLD_AVATAR_URL = 'https://manifold.markets/logo-bg-white.png'

 // TODO: remove. Hardcoding the strings would be better.
--- a/common/util/color.ts
+++ b/common/util/color.ts
@ -1,24 +0,0 @@
-export const interpolateColor = (color1: string, color2: string, p: number) => {
-  const rgb1 = parseInt(color1.replace('#', ''), 16)
-  const rgb2 = parseInt(color2.replace('#', ''), 16)
-
-  const [r1, g1, b1] = toArray(rgb1)
-  const [r2, g2, b2] = toArray(rgb2)
-
-  const q = 1 - p
-  const rr = Math.round(r1 * q + r2 * p)
-  const rg = Math.round(g1 * q + g2 * p)
-  const rb = Math.round(b1 * q + b2 * p)
-
-  const hexString = Number((rr << 16) + (rg << 8) + rb).toString(16)
-  const hex = `#${'0'.repeat(6 - hexString.length)}${hexString}`
-  return hex
-}
-
-function toArray(rgb: number) {
-  const r = rgb >> 16
-  const g = (rgb >> 8) % 256
-  const b = rgb % 256
-
-  return [r, g, b]
-}
--- a/common/util/format.ts
+++ b/common/util/format.ts
@ -8,14 +8,7 @@ const formatter = new Intl.NumberFormat('en-US', {
 })

 export function formatMoney(amount: number) {
-  const newAmount =
-    // handle -0 case
-    Math.round(amount) === 0
-      ? 0
-      : // Handle 499.9999999999999 case
-        (amount > 0 ? Math.floor : Math.ceil)(
-          amount + 0.00000000001 * Math.sign(amount)
-        )
+  const newAmount = Math.round(amount) === 0 ? 0 : Math.floor(amount) // handle -0 case
  return ENV_CONFIG.moneyMoniker + formatter.format(newAmount).replace('$', '')
 }

@ -60,16 +53,6 @@ export function formatLargeNumber(num: number, sigfigs = 2): string {
  return `${numStr}${suffix[i] ?? ''}`
 }

-export function shortFormatNumber(num: number): string {
-  if (num < 1000) return showPrecision(num, 3)
-
-  const suffix = ['', 'K', 'M', 'B', 'T', 'Q']
-  const i = Math.floor(Math.log10(num) / 3)
-
-  const numStr = showPrecision(num / Math.pow(10, 3 * i), 2)
-  return `${numStr}${suffix[i] ?? ''}`
-}
-
 export function toCamelCase(words: string) {
  const camelCase = words
    .split(' ')
--- a/common/util/parse.ts
+++ b/common/util/parse.ts
@ -1,5 +1,5 @@
-import { generateText, JSONContent, Node } from '@tiptap/core'
-import { generateJSON } from '@tiptap/html'
+import { MAX_TAG_LENGTH } from '../contract'
+import { generateText, JSONContent } from '@tiptap/core'
 // Tiptap starter extensions
 import { Blockquote } from '@tiptap/extension-blockquote'
 import { Bold } from '@tiptap/extension-bold'
@ -33,6 +33,34 @@ export function getUrl(text: string) {
  return results.length ? results[0].href : null
 }

+export function parseTags(text: string) {
+  const regex = /(?:^|\s)(?:[#][a-z0-9_]+)/gi
+  const matches = (text.match(regex) || []).map((match) =>
+    match.trim().substring(1).substring(0, MAX_TAG_LENGTH)
+  )
+  const tagSet = new Set()
+  const uniqueTags: string[] = []
+  // Keep casing of last tag.
+  matches.reverse()
+  for (const tag of matches) {
+    const lowercase = tag.toLowerCase()
+    if (!tagSet.has(lowercase)) {
+      tagSet.add(lowercase)
+      uniqueTags.push(tag)
+    }
+  }
+  uniqueTags.reverse()
+  return uniqueTags
+}
+
+export function parseWordsAsTags(text: string) {
+  const taggedText = text
+    .split(/\s+/)
+    .map((tag) => (tag.startsWith('#') ? tag : `#${tag}`))
+    .join(' ')
+  return parseTags(taggedText)
+}
+
 // TODO: fuzzy matching
 export const wordIn = (word: string, corpus: string) =>
  corpus.toLocaleLowerCase().includes(word.toLocaleLowerCase())
@ -52,28 +80,8 @@ export function parseMentions(data: JSONContent): string[] {
  return uniq(mentions)
 }

-// TODO: this is a hack to get around the fact that tiptap doesn't have a
-// way to add a node view without bundling in tsx
-function skippableComponent(name: string): Node<any, any> {
-  return Node.create({
-    name,
-
-    group: 'block',
-
-    content: 'inline*',
-
-    parseHTML() {
-      return [
-        {
-          tag: 'grid-cards-component',
-        },
-      ]
-    },
-  })
-}
-
-const stringParseExts = [
-  // StarterKit extensions
+// can't just do [StarterKit, Image...] because it doesn't work with cjs imports
+export const exhibitExts = [
  Blockquote,
  Bold,
  BulletList,
@ -90,26 +98,15 @@ const stringParseExts = [
  Paragraph,
  Strike,
  Text,
-  // other extensions
+
+  Image,
  Link,
-  Image.extend({ renderText: () => '[image]' }),
-  Mention, // user @mention
-  Mention.extend({ name: 'contract-mention' }), // market %mention
-  Iframe.extend({
-    renderText: ({ node }) =>
-      '[embed]' + node.attrs.src ? `(${node.attrs.src})` : '',
-  }),
-  skippableComponent('gridCardsComponent'),
-  skippableComponent('staticReactEmbedComponent'),
-  TiptapTweet.extend({ renderText: () => '[tweet]' }),
-  TiptapSpoiler.extend({ renderHTML: () => ['span', '[spoiler]', 0] }),
+  Mention,
+  Iframe,
+  TiptapTweet,
+  TiptapSpoiler,
 ]

 export function richTextToString(text?: JSONContent) {
-  if (!text) return ''
-  return generateText(text, stringParseExts)
-}
-
-export function htmlToRichText(html: string) {
-  return generateJSON(html, stringParseExts)
+  return !text ? '' : generateText(text, exhibitExts)
 }
--- a/common/util/tiptap-spoiler.ts
+++ b/common/util/tiptap-spoiler.ts
@ -39,7 +39,7 @@ export const TiptapSpoiler = Mark.create<SpoilerOptions>({
  exitable: true,
  content: 'inline*',

-  priority: 1001, // higher priority than other formatting so they go inside
+  priority: 200, // higher priority than other formatting so they go inside

  addOptions() {
    return {
--- a/docs/docs/api.md
+++ b/docs/docs/api.md
@ -680,17 +680,6 @@ $ curl https://manifold.markets/api/v0/market/{marketId}/sell -X POST \
    --data-raw '{"outcome": "YES", "shares": 10}'
 ```

-### `POST /v0/comment`
-
-Creates a comment in the specified market. Only supports top-level comments for now.
-
-Parameters:
-
- `contractId`: Required. The ID of the market to comment on.
- `content`: The comment to post, formatted as [TipTap json](https://tiptap.dev/guide/output#option-1-json), OR
- `html`: The comment to post, formatted as an HTML string, OR
- `markdown`: The comment to post, formatted as a markdown string.
-
 ### `GET /v0/bets`

 Gets a list of bets, ordered by creation date descending.
--- a/docs/docs/bounties.md
+++ b/docs/docs/bounties.md
@ -15,22 +15,6 @@ Our community is the beating heart of Manifold; your individual contributions ar

 ## Awarded bounties

-💥 *Awarded on 2022-10-07*
-
-**[Pepe](https://manifold.markets/Pepe): M$10,000**
-**[Jack](https://manifold.markets/jack): M$2,000**
-**[Martin](https://manifold.markets/MartinRandall): M$2,000**
-**[Yev](https://manifold.markets/Yev): M$2,000**
-**[Michael](https://manifold.markets/MichaelWheatley): M$2,000**
-
- For discovering an infinite mana exploit using limit orders, and informing the Manifold team of it privately.
-
-**[Matt](https://manifold.markets/MattP): M$5,000**
-**[Adrian](https://manifold.markets/ahalekelly): M$5,000**
-**[Yev](https://manifold.markets/Yev): M$5,000**
-
- For discovering an AMM liquidity exploit and informing the Manifold team of it privately.
-
 🎈 *Awarded on 2022-06-14*

 **[Wasabipesto](https://manifold.markets/wasabipesto): M$20,000**
--- a/firestore.rules
+++ b/firestore.rules
@ -23,17 +23,11 @@ service cloud.firestore {
      allow read;
    }

-    match /globalConfig/globalConfig {
-      allow read;
-      allow update: if isAdmin()
-      allow create: if isAdmin()
-    }
-
    match /users/{userId} {
      allow read;
      allow update: if userId == request.auth.uid
                       && request.resource.data.diff(resource.data).affectedKeys()
-                                                                    .hasOnly(['bio', 'website', 'twitterHandle', 'discordHandle', 'followedCategories', 'lastPingTime','shouldShowWelcome', 'hasSeenContractFollowModal', 'homeSections']);
+                                                                    .hasOnly(['bio', 'bannerUrl', 'website', 'twitterHandle', 'discordHandle', 'followedCategories', 'lastPingTime','shouldShowWelcome', 'hasSeenContractFollowModal', 'homeSections']);
      // User referral rules
      allow update: if userId == request.auth.uid
                         && request.resource.data.diff(resource.data).affectedKeys()
@ -50,10 +44,6 @@ service cloud.firestore {
      allow read;
    }

-    match /{somePath=**}/contract-metrics/{contractId} {
-      allow read;
-    }
-
    match /{somePath=**}/challenges/{challengeId}{
      allow read;
    }
@ -110,9 +100,9 @@ service cloud.firestore {
    match /contracts/{contractId} {
      allow read;
      allow update: if request.resource.data.diff(resource.data).affectedKeys()
-                                                                 .hasOnly(['tags', 'lowercaseTags', 'groupSlugs', 'groupLinks', 'flaggedByUsernames']);
+                                                                 .hasOnly(['tags', 'lowercaseTags', 'groupSlugs', 'groupLinks']);
      allow update: if request.resource.data.diff(resource.data).affectedKeys()
-                                                                 .hasOnly(['description', 'closeTime', 'question', 'visibility', 'unlistedById'])
+                                                                 .hasOnly(['description', 'closeTime', 'question'])
                       && resource.data.creatorId == request.auth.uid;
      allow update: if isAdmin();
          match /comments/{commentId} {
@ -186,7 +176,7 @@ service cloud.firestore {
      allow update: if (request.auth.uid == resource.data.creatorId || isAdmin())
                        && request.resource.data.diff(resource.data)
                        .affectedKeys()
-                        .hasOnly(['name', 'about', 'anyoneCanJoin', 'aboutPostId', 'pinnedItems' ]);
+                        .hasOnly(['name', 'about', 'anyoneCanJoin', 'aboutPostId' ]);
      allow delete: if request.auth.uid == resource.data.creatorId;

      match /groupContracts/{contractId} {
--- a/functions/.env.prod
+++ b/functions/.env.prod
--- a/functions/.env.dev
+++ b/functions/.env.dev
@ -1,3 +0,0 @@
-# This sets which EnvConfig is deployed to Firebase Cloud Functions
-
-NEXT_PUBLIC_FIREBASE_ENV=DEV
--- a/functions/.eslintrc.js
+++ b/functions/.eslintrc.js
@ -26,7 +26,7 @@ module.exports = {
            caughtErrorsIgnorePattern: '^_',
          },
        ],
-        'unused-imports/no-unused-imports': 'warn',
+        'unused-imports/no-unused-imports': 'error',
      },
    },
  ],
--- a/functions/README.md
+++ b/functions/README.md
@ -20,7 +20,7 @@ Adapted from https://firebase.google.com/docs/functions/get-started
 3. `$ firebase login` to authenticate the CLI tools to Firebase
 4. `$ firebase use dev` to choose the dev project

-#### (Installing) For local development
+### For local development

 0. [Install](https://cloud.google.com/sdk/docs/install) gcloud CLI
 1. If you don't have java (or see the error `Error: Process java -version has exited with code 1. Please make sure Java is installed and on your system PATH.`):
@ -35,10 +35,10 @@ Adapted from https://firebase.google.com/docs/functions/get-started

 ## Developing locally

-0. `$ ./dev.sh localdb` to start the local emulator and front end
-1. If you change db trigger code, you have to start (doesn't have to complete) the deploy of it to dev to cause a hard emulator code refresh `$ firebase deploy --only functions:dbTriggerNameHere`
-   - There's surely a better way to cause/react to a db trigger update but just adding this here for now as it works
-2. If you want to test a scheduled function replace your function in `test-scheduled-function.ts` and send a GET to `http://localhost:8088/testscheduledfunction` (Best user experience is via [Postman](https://www.postman.com/downloads/)!)
+0. `$ firebase use dev` if you haven't already
+1. `$ yarn serve` to spin up the emulators 0. The Emulator UI is at http://localhost:4000; the functions are hosted on :5001.
+   Note: You have to kill and restart emulators when you change code; no hot reload =(
+2. `$ yarn dev:emulate` in `/web` to connect to emulators with the frontend 0. Note: emulated database is cleared after every shutdown

 ## Firestore Commands

--- a/functions/package.json
+++ b/functions/package.json
@ -5,7 +5,7 @@
    "firestore": "dev-mantic-markets.appspot.com"
  },
  "scripts": {
-    "build": "yarn compile && rm -rf dist && mkdir -p dist/functions && cp -R ../common/lib dist/common && cp -R lib/src dist/functions/src && cp ../yarn.lock dist && cp package.json dist && cp .env.prod dist && cp .env.dev dist",
+    "build": "yarn compile && rm -rf dist && mkdir -p dist/functions && cp -R ../common/lib dist/common && cp -R lib/src dist/functions/src && cp ../yarn.lock dist && cp package.json dist && cp .env dist",
    "compile": "tsc -b",
    "watch": "tsc -w",
    "shell": "yarn build && firebase functions:shell",
@ -15,9 +15,9 @@
    "dev": "nodemon src/serve.ts",
    "localDbScript": "firebase emulators:start --only functions,firestore,pubsub --import=./firestore_export",
    "serve": "firebase use dev && yarn build && firebase emulators:start --only functions,firestore,pubsub --import=./firestore_export",
-    "db:update-local-from-remote": "yarn db:backup-remote && gsutil -m rsync -r gs://$npm_package_config_firestore/firestore_export ./firestore_export",
+    "db:update-local-from-remote": "yarn db:backup-remote && gsutil rsync -r gs://$npm_package_config_firestore/firestore_export ./firestore_export",
    "db:backup-local": "firebase emulators:export --force ./firestore_export",
-    "db:rename-remote-backup-folder": "gsutil -m mv gs://$npm_package_config_firestore/firestore_export gs://$npm_package_config_firestore/firestore_export_$(date +%d-%m-%Y-%H-%M)",
+    "db:rename-remote-backup-folder": "gsutil mv gs://$npm_package_config_firestore/firestore_export gs://$npm_package_config_firestore/firestore_export_$(date +%d-%m-%Y-%H-%M)",
    "db:backup-remote": "yarn db:rename-remote-backup-folder && gcloud firestore export gs://$npm_package_config_firestore/firestore_export/",
    "verify": "(cd .. && yarn verify)",
    "verify:dir": "npx eslint . --max-warnings 0; tsc -b -v --pretty"
@ -26,13 +26,11 @@
  "dependencies": {
    "@amplitude/node": "1.10.0",
    "@google-cloud/functions-framework": "3.1.2",
-    "@tiptap/core": "2.0.0-beta.199",
-    "@tiptap/extension-image": "2.0.0-beta.199",
-    "@tiptap/extension-link": "2.0.0-beta.199",
-    "@tiptap/extension-mention": "2.0.0-beta.199",
-    "@tiptap/html": "2.0.0-beta.199",
-    "@tiptap/starter-kit": "2.0.0-beta.199",
-    "@tiptap/suggestion": "2.0.0-beta.199",
+    "@tiptap/core": "2.0.0-beta.182",
+    "@tiptap/extension-image": "2.0.0-beta.30",
+    "@tiptap/extension-link": "2.0.0-beta.43",
+    "@tiptap/extension-mention": "2.0.0-beta.102",
+    "@tiptap/starter-kit": "2.0.0-beta.191",
    "cors": "2.8.5",
    "dayjs": "1.11.4",
    "express": "4.18.1",
@ -40,7 +38,6 @@
    "firebase-functions": "3.21.2",
    "lodash": "4.17.21",
    "mailgun-js": "0.22.0",
-    "marked": "4.1.1",
    "module-alias": "2.2.2",
    "node-fetch": "2",
    "stripe": "8.194.0",
@ -48,7 +45,6 @@
  },
  "devDependencies": {
    "@types/mailgun-js": "0.22.12",
-    "@types/marked": "4.0.7",
    "@types/module-alias": "2.0.1",
    "@types/node-fetch": "2.6.2",
    "firebase-functions-test": "0.3.3",
--- a/functions/src/add-liquidity.ts
+++ b/functions/src/add-liquidity.ts
@ -3,18 +3,24 @@ import { z } from 'zod'

 import { Contract, CPMMContract } from '../../common/contract'
 import { User } from '../../common/user'
+import { removeUndefinedProps } from '../../common/util/object'
 import { getNewLiquidityProvision } from '../../common/add-liquidity'
 import { APIError, newEndpoint, validate } from './api'
+import {
+  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
+  HOUSE_LIQUIDITY_PROVIDER_ID,
+} from '../../common/antes'
+import { isProd } from './utils'

 const bodySchema = z.object({
  contractId: z.string(),
  amount: z.number().gt(0),
 })

-export const addsubsidy = newEndpoint({}, async (req, auth) => {
+export const addliquidity = newEndpoint({}, async (req, auth) => {
  const { amount, contractId } = validate(bodySchema, req.body)

-  if (!isFinite(amount) || amount < 1) throw new APIError(400, 'Invalid amount')
+  if (!isFinite(amount)) throw new APIError(400, 'Invalid amount')

  // run as transaction to prevent race conditions
  return await firestore.runTransaction(async (transaction) => {
@ -44,7 +50,7 @@ export const addsubsidy = newEndpoint({}, async (req, auth) => {
      .collection(`contracts/${contractId}/liquidity`)
      .doc()

-    const { newLiquidityProvision, newTotalLiquidity, newSubsidyPool } =
+    const { newLiquidityProvision, newPool, newP, newTotalLiquidity } =
      getNewLiquidityProvision(
        user.id,
        amount,
@ -52,10 +58,21 @@ export const addsubsidy = newEndpoint({}, async (req, auth) => {
        newLiquidityProvisionDoc.id
      )

-    transaction.update(contractDoc, {
-      subsidyPool: newSubsidyPool,
-      totalLiquidity: newTotalLiquidity,
-    } as Partial<CPMMContract>)
+    if (newP !== undefined && !isFinite(newP)) {
+      return {
+        status: 'error',
+        message: 'Liquidity injection rejected due to overflow error.',
+      }
+    }
+
+    transaction.update(
+      contractDoc,
+      removeUndefinedProps({
+        pool: newPool,
+        p: newP,
+        totalLiquidity: newTotalLiquidity,
+      })
+    )

    const newBalance = user.balance - amount
    const newTotalDeposits = user.totalDeposits - amount
@ -76,3 +93,41 @@ export const addsubsidy = newEndpoint({}, async (req, auth) => {
 })

 const firestore = admin.firestore()
+
+export const addHouseLiquidity = (contract: CPMMContract, amount: number) => {
+  return firestore.runTransaction(async (transaction) => {
+    const newLiquidityProvisionDoc = firestore
+      .collection(`contracts/${contract.id}/liquidity`)
+      .doc()
+
+    const providerId = isProd()
+      ? HOUSE_LIQUIDITY_PROVIDER_ID
+      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
+
+    const { newLiquidityProvision, newPool, newP, newTotalLiquidity } =
+      getNewLiquidityProvision(
+        providerId,
+        amount,
+        contract,
+        newLiquidityProvisionDoc.id
+      )
+
+    if (newP !== undefined && !isFinite(newP)) {
+      throw new APIError(
+        500,
+        'Liquidity injection rejected due to overflow error.'
+      )
+    }
+
+    transaction.update(
+      firestore.doc(`contracts/${contract.id}`),
+      removeUndefinedProps({
+        pool: newPool,
+        p: newP,
+        totalLiquidity: newTotalLiquidity,
+      })
+    )
+
+    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
+  })
+}
--- a/functions/src/api.ts
+++ b/functions/src/api.ts
@ -146,24 +146,3 @@ export const newEndpoint = (endpointOpts: EndpointOptions, fn: Handler) => {
    },
  } as EndpointDefinition
 }
-
-export const newEndpointNoAuth = (
-  endpointOpts: EndpointOptions,
-  fn: (req: Request) => Promise<Output>
-) => {
-  const opts = Object.assign({}, DEFAULT_OPTS, endpointOpts)
-  return {
-    opts,
-    handler: async (req: Request, res: Response) => {
-      log(`${req.method} ${req.url} ${JSON.stringify(req.body)}`)
-      try {
-        if (opts.method !== req.method) {
-          throw new APIError(405, `This endpoint supports only ${opts.method}.`)
-        }
-        res.status(200).json(await fn(req))
-      } catch (e) {
-        writeResponseError(e, res)
-      }
-    },
-  } as EndpointDefinition
-}
--- a/functions/src/create-comment.ts
+++ b/functions/src/create-comment.ts
@ -1,105 +0,0 @@
-import * as admin from 'firebase-admin'
-
-import { getContract, getUser, log } from './utils'
-import { APIError, newEndpoint, validate } from './api'
-import { JSONContent } from '@tiptap/core'
-import { z } from 'zod'
-import { removeUndefinedProps } from '../../common/util/object'
-import { htmlToRichText } from '../../common/util/parse'
-import { marked } from 'marked'
-
-const contentSchema: z.ZodType<JSONContent> = z.lazy(() =>
-  z.intersection(
-    z.record(z.any()),
-    z.object({
-      type: z.string().optional(),
-      attrs: z.record(z.any()).optional(),
-      content: z.array(contentSchema).optional(),
-      marks: z
-        .array(
-          z.intersection(
-            z.record(z.any()),
-            z.object({
-              type: z.string(),
-              attrs: z.record(z.any()).optional(),
-            })
-          )
-        )
-        .optional(),
-      text: z.string().optional(),
-    })
-  )
-)
-
-const postSchema = z.object({
-  contractId: z.string(),
-  content: contentSchema.optional(),
-  html: z.string().optional(),
-  markdown: z.string().optional(),
-})
-
-const MAX_COMMENT_JSON_LENGTH = 20000
-
-// For now, only supports creating a new top-level comment on a contract.
-// Replies, posts, chats are not supported yet.
-export const createcomment = newEndpoint({}, async (req, auth) => {
-  const firestore = admin.firestore()
-  const { contractId, content, html, markdown } = validate(postSchema, req.body)
-
-  const creator = await getUser(auth.uid)
-  const contract = await getContract(contractId)
-
-  if (!creator) {
-    throw new APIError(400, 'No user exists with the authenticated user ID.')
-  }
-  if (!contract) {
-    throw new APIError(400, 'No contract exists with the given ID.')
-  }
-
-  let contentJson = null
-  if (content) {
-    contentJson = content
-  } else if (html) {
-    console.log('html', html)
-    contentJson = htmlToRichText(html)
-  } else if (markdown) {
-    const markedParse = marked.parse(markdown)
-    log('parsed', markedParse)
-    contentJson = htmlToRichText(markedParse)
-    log('json', contentJson)
-  }
-
-  if (!contentJson) {
-    throw new APIError(400, 'No comment content provided.')
-  }
-
-  if (JSON.stringify(contentJson).length > MAX_COMMENT_JSON_LENGTH) {
-    throw new APIError(
-      400,
-      `Comment is too long; should be less than ${MAX_COMMENT_JSON_LENGTH} as a JSON string.`
-    )
-  }
-
-  const ref = firestore.collection(`contracts/${contractId}/comments`).doc()
-
-  const comment = removeUndefinedProps({
-    id: ref.id,
-    content: contentJson,
-    createdTime: Date.now(),
-
-    userId: creator.id,
-    userName: creator.name,
-    userUsername: creator.username,
-    userAvatarUrl: creator.avatarUrl,
-
-    // OnContract fields
-    commentType: 'contract',
-    contractId: contractId,
-    contractSlug: contract.slug,
-    contractQuestion: contract.question,
-  })
-
-  await ref.set(comment)
-
-  return { status: 'success', comment }
-})
--- a/functions/src/create-group.ts
+++ b/functions/src/create-group.ts
@ -62,7 +62,6 @@ export const creategroup = newEndpoint({}, async (req, auth) => {
    totalContracts: 0,
    totalMembers: memberIds.length,
    postIds: [],
-    pinnedItems: [],
  }

  await groupRef.create(group)
--- a/functions/src/create-notification.ts
+++ b/functions/src/create-notification.ts
@ -6,13 +6,7 @@ import {
  Notification,
  notification_reason_types,
 } from '../../common/notification'
-import {
-  MANIFOLD_AVATAR_URL,
-  MANIFOLD_USER_NAME,
-  MANIFOLD_USER_USERNAME,
-  PrivateUser,
-  User,
-} from '../../common/user'
+import { User } from '../../common/user'
 import { Contract } from '../../common/contract'
 import { getPrivateUser, getValues } from './utils'
 import { Comment } from '../../common/comment'
@ -36,26 +30,27 @@ import {
 import { filterDefined } from '../../common/util/array'
 import { getNotificationDestinationsForUser } from '../../common/user-notification-preferences'
 import { ContractFollow } from '../../common/follow'
-import { Badge } from 'common/badge'
 const firestore = admin.firestore()

 type recipients_to_reason_texts = {
  [userId: string]: { reason: notification_reason_types }
 }

-export const createFollowOrMarketSubsidizedNotification = async (
+export const createNotification = async (
  sourceId: string,
-  sourceType: 'liquidity' | 'follow',
-  sourceUpdateType: 'created',
+  sourceType: 'contract' | 'liquidity' | 'follow',
+  sourceUpdateType: 'closed' | 'created',
  sourceUser: User,
  idempotencyKey: string,
  sourceText: string,
  miscData?: {
    contract?: Contract
    recipients?: string[]
+    slug?: string
+    title?: string
  }
 ) => {
-  const { contract: sourceContract, recipients } = miscData ?? {}
+  const { contract: sourceContract, recipients, slug, title } = miscData ?? {}

  const shouldReceiveNotification = (
    userId: string,
@ -99,15 +94,23 @@ export const createFollowOrMarketSubsidizedNotification = async (
          sourceContractCreatorUsername: sourceContract?.creatorUsername,
          sourceContractTitle: sourceContract?.question,
          sourceContractSlug: sourceContract?.slug,
-          sourceSlug: sourceContract?.slug,
-          sourceTitle: sourceContract?.question,
+          sourceSlug: slug ? slug : sourceContract?.slug,
+          sourceTitle: title ? title : sourceContract?.question,
        }
        await notificationRef.set(removeUndefinedProps(notification))
      }

      if (!sendToEmail) continue

-      if (reason === 'subsidized_your_market') {
+      if (reason === 'your_contract_closed' && privateUser && sourceContract) {
+        // TODO: include number and names of bettors waiting for creator to resolve their market
+        await sendMarketCloseEmail(
+          reason,
+          sourceUser,
+          privateUser,
+          sourceContract
+        )
+      } else if (reason === 'subsidized_your_market') {
        // TODO: send email to creator of market that was subsidized
      } else if (reason === 'on_new_follow') {
        // TODO: send email to user who was followed
@ -124,7 +127,20 @@ export const createFollowOrMarketSubsidizedNotification = async (
        reason: 'on_new_follow',
      }
    return await sendNotificationsIfSettingsPermit(userToReasonTexts)
-  } else if (sourceType === 'liquidity' && sourceContract) {
+  } else if (
+    sourceType === 'contract' &&
+    sourceUpdateType === 'closed' &&
+    sourceContract
+  ) {
+    userToReasonTexts[sourceContract.creatorId] = {
+      reason: 'your_contract_closed',
+    }
+    return await sendNotificationsIfSettingsPermit(userToReasonTexts)
+  } else if (
+    sourceType === 'liquidity' &&
+    sourceUpdateType === 'created' &&
+    sourceContract
+  ) {
    if (shouldReceiveNotification(sourceContract.creatorId, userToReasonTexts))
      userToReasonTexts[sourceContract.creatorId] = {
        reason: 'subsidized_your_market',
@ -197,7 +213,6 @@ export const createCommentOrAnswerOrUpdatedContractNotification = async (
    return await notificationRef.set(removeUndefinedProps(notification))
  }

-  const needNotFollowContractReasons = ['tagged_user']
  const stillFollowingContract = (userId: string) => {
    return contractFollowersIds.includes(userId)
  }
@ -206,12 +221,7 @@ export const createCommentOrAnswerOrUpdatedContractNotification = async (
    userId: string,
    reason: notification_reason_types
  ) => {
-    if (
-      (!stillFollowingContract(userId) &&
-        !needNotFollowContractReasons.includes(reason)) ||
-      sourceUser.id == userId
-    )
-      return
+    if (!stillFollowingContract(userId) || sourceUser.id == userId) return
    const privateUser = await getPrivateUser(userId)
    if (!privateUser) return
    const { sendToBrowser, sendToEmail } = getNotificationDestinationsForUser(
@ -1036,122 +1046,3 @@ export const createContractResolvedNotifications = async (
    )
  )
 }
-
-export const createBountyNotification = async (
-  fromUser: User,
-  toUserId: string,
-  amount: number,
-  idempotencyKey: string,
-  contract: Contract,
-  commentId?: string
-) => {
-  const privateUser = await getPrivateUser(toUserId)
-  if (!privateUser) return
-  const { sendToBrowser } = getNotificationDestinationsForUser(
-    privateUser,
-    'tip_received'
-  )
-  if (!sendToBrowser) return
-
-  const slug = commentId
-  const notificationRef = firestore
-    .collection(`/users/${toUserId}/notifications`)
-    .doc(idempotencyKey)
-  const notification: Notification = {
-    id: idempotencyKey,
-    userId: toUserId,
-    reason: 'tip_received',
-    createdTime: Date.now(),
-    isSeen: false,
-    sourceId: commentId ? commentId : contract.id,
-    sourceType: 'tip',
-    sourceUpdateType: 'created',
-    sourceUserName: fromUser.name,
-    sourceUserUsername: fromUser.username,
-    sourceUserAvatarUrl: fromUser.avatarUrl,
-    sourceText: amount.toString(),
-    sourceContractCreatorUsername: contract.creatorUsername,
-    sourceContractTitle: contract.question,
-    sourceContractSlug: contract.slug,
-    sourceSlug: slug,
-    sourceTitle: contract.question,
-  }
-  return await notificationRef.set(removeUndefinedProps(notification))
-}
-
-export const createBadgeAwardedNotification = async (
-  user: User,
-  badge: Badge
-) => {
-  const privateUser = await getPrivateUser(user.id)
-  if (!privateUser) return
-  const { sendToBrowser } = getNotificationDestinationsForUser(
-    privateUser,
-    'badges_awarded'
-  )
-  if (!sendToBrowser) return
-
-  const notificationRef = firestore
-    .collection(`/users/${user.id}/notifications`)
-    .doc()
-  const notification: Notification = {
-    id: notificationRef.id,
-    userId: user.id,
-    reason: 'badges_awarded',
-    createdTime: Date.now(),
-    isSeen: false,
-    sourceId: badge.type,
-    sourceType: 'badge',
-    sourceUpdateType: 'created',
-    sourceUserName: MANIFOLD_USER_NAME,
-    sourceUserUsername: MANIFOLD_USER_USERNAME,
-    sourceUserAvatarUrl: MANIFOLD_AVATAR_URL,
-    sourceText: `You earned a new ${badge.name} badge!`,
-    sourceSlug: `/${user.username}?show=badges&badge=${badge.type}`,
-    sourceTitle: badge.name,
-    data: {
-      badge,
-    },
-  }
-  return await notificationRef.set(removeUndefinedProps(notification))
-
-  // TODO send email notification
-}
-
-export const createMarketClosedNotification = async (
-  contract: Contract,
-  creator: User,
-  privateUser: PrivateUser,
-  idempotencyKey: string
-) => {
-  const notificationRef = firestore
-    .collection(`/users/${creator.id}/notifications`)
-    .doc(idempotencyKey)
-  const notification: Notification = {
-    id: idempotencyKey,
-    userId: creator.id,
-    reason: 'your_contract_closed',
-    createdTime: Date.now(),
-    isSeen: false,
-    sourceId: contract.id,
-    sourceType: 'contract',
-    sourceUpdateType: 'closed',
-    sourceContractId: contract?.id,
-    sourceUserName: creator.name,
-    sourceUserUsername: creator.username,
-    sourceUserAvatarUrl: creator.avatarUrl,
-    sourceText: contract.closeTime?.toString() ?? new Date().toString(),
-    sourceContractCreatorUsername: creator.username,
-    sourceContractTitle: contract.question,
-    sourceContractSlug: contract.slug,
-    sourceSlug: contract.slug,
-    sourceTitle: contract.question,
-  }
-  await notificationRef.set(removeUndefinedProps(notification))
-  await sendMarketCloseEmail(
-    'your_contract_closed',
-    creator,
-    privateUser,
-    contract
-  )
-}
--- a/functions/src/create-post.ts
+++ b/functions/src/create-post.ts
@ -3,11 +3,7 @@ import * as admin from 'firebase-admin'
 import { getUser } from './utils'
 import { slugify } from '../../common/util/slugify'
 import { randomString } from '../../common/util/random'
-import {
-  Post,
-  MAX_POST_TITLE_LENGTH,
-  MAX_POST_SUBTITLE_LENGTH,
-} from '../../common/post'
+import { Post, MAX_POST_TITLE_LENGTH } from '../../common/post'
 import { APIError, newEndpoint, validate } from './api'
 import { JSONContent } from '@tiptap/core'
 import { z } from 'zod'
@ -40,7 +36,6 @@ const contentSchema: z.ZodType<JSONContent> = z.lazy(() =>

 const postSchema = z.object({
  title: z.string().min(1).max(MAX_POST_TITLE_LENGTH),
-  subtitle: z.string().min(1).max(MAX_POST_SUBTITLE_LENGTH),
  content: contentSchema,
  groupId: z.string().optional(),

@ -53,8 +48,10 @@ const postSchema = z.object({

 export const createpost = newEndpoint({}, async (req, auth) => {
  const firestore = admin.firestore()
-  const { title, subtitle, content, groupId, question, ...otherProps } =
-    validate(postSchema, req.body)
+  const { title, content, groupId, question, ...otherProps } = validate(
+    postSchema,
+    req.body
+  )

  const creator = await getUser(auth.uid)
  if (!creator)
@ -71,23 +68,19 @@ export const createpost = newEndpoint({}, async (req, auth) => {
  if (question) {
    const closeTime = Date.now() + DAY_MS * 30 * 3

-    try {
-      const result = await createMarketHelper(
-        {
-          question,
-          closeTime,
-          outcomeType: 'BINARY',
-          visibility: 'unlisted',
-          initialProb: 50,
-          // Dating group!
-          groupId: 'j3ZE8fkeqiKmRGumy3O1',
-        },
-        auth
-      )
-      contractSlug = result.slug
-    } catch (e) {
-      console.error(e)
-    }
+    const result = await createMarketHelper(
+      {
+        question,
+        closeTime,
+        outcomeType: 'BINARY',
+        visibility: 'unlisted',
+        initialProb: 50,
+        // Dating group!
+        groupId: 'j3ZE8fkeqiKmRGumy3O1',
+      },
+      auth
+    )
+    contractSlug = result.slug
  }

  const post: Post = removeUndefinedProps({
@ -96,14 +89,9 @@ export const createpost = newEndpoint({}, async (req, auth) => {
    creatorId: creator.id,
    slug,
    title,
-    subtitle,
    createdTime: Date.now(),
    content: content,
    contractSlug,
-    creatorName: creator.name,
-    creatorUsername: creator.username,
-    creatorAvatarUrl: creator.avatarUrl,
-    itemType: 'post',
  })

  await postRef.create(post)
--- a/functions/src/create-user.ts
+++ b/functions/src/create-user.ts
@ -69,8 +69,6 @@ export const createuser = newEndpoint(opts, async (req, auth) => {
    followerCountCached: 0,
    followedCategories: DEFAULT_CATEGORIES,
    shouldShowWelcome: true,
-    fractionResolvedCorrectly: 1,
-    achievements: {},
  }

  await firestore.collection('users').doc(auth.uid).create(user)
--- a/functions/src/drizzle-liquidity.ts
+++ b/functions/src/drizzle-liquidity.ts
@ -1,69 +0,0 @@
-import * as functions from 'firebase-functions'
-import * as admin from 'firebase-admin'
-
-import { CPMMContract } from '../../common/contract'
-import { batchedWaitAll } from '../../common/util/promise'
-import { APIError } from '../../common/api'
-import { addCpmmLiquidity } from '../../common/calculate-cpmm'
-import { formatMoneyWithDecimals } from '../../common/util/format'
-
-const firestore = admin.firestore()
-
-export const drizzleLiquidity = async () => {
-  const snap = await firestore
-    .collection('contracts')
-    .where('subsidyPool', '>', 1e-7)
-    .get()
-
-  const contractIds = snap.docs.map((doc) => doc.id)
-  console.log('found', contractIds.length, 'markets to drizzle')
-  console.log()
-
-  await batchedWaitAll(
-    contractIds.map((cid) => () => drizzleMarket(cid)),
-    10
-  )
-}
-
-export const drizzleLiquidityScheduler = functions.pubsub
-  .schedule('* * * * *') // every minute
-  .onRun(drizzleLiquidity)
-
-const drizzleMarket = async (contractId: string) => {
-  await firestore.runTransaction(async (trans) => {
-    const snap = await trans.get(firestore.doc(`contracts/${contractId}`))
-    const contract = snap.data() as CPMMContract
-    const { subsidyPool, pool, p, slug, popularityScore } = contract
-    if ((subsidyPool ?? 0) < 1e-7) return
-
-    const r = Math.random()
-    const logPopularity = Math.log10((popularityScore ?? 0) + 1)
-    const v = Math.max(1, Math.min(5, logPopularity))
-    const amount = subsidyPool <= 0.5 ? subsidyPool : r * v * 0.01 * subsidyPool
-
-    const { newPool, newP } = addCpmmLiquidity(pool, p, amount)
-
-    if (!isFinite(newP)) {
-      throw new APIError(
-        500,
-        'Liquidity injection rejected due to overflow error.'
-      )
-    }
-
-    await trans.update(firestore.doc(`contracts/${contract.id}`), {
-      pool: newPool,
-      p: newP,
-      subsidyPool: subsidyPool - amount,
-    })
-
-    console.log(
-      'added subsidy',
-      formatMoneyWithDecimals(amount),
-      'of',
-      formatMoneyWithDecimals(subsidyPool),
-      'pool to',
-      slug
-    )
-    console.log()
-  })
-}
--- a/functions/src/email-templates/market-close.html
+++ b/functions/src/email-templates/market-close.html
@ -483,7 +483,11 @@
                        color: #999;
                        text-decoration: underline;
                        margin: 0;
-                      ">our Discord</a>!
+                      ">our Discord</a>! Or,
+                  <a href="{{unsubscribeUrl}}" style="
+                                          color: inherit;
+                                          text-decoration: none;
+                                        " target="_blank">click here to unsubscribe from this type of notification</a>.
                </td>
              </tr>
            </table>
--- a/functions/src/emails.ts
+++ b/functions/src/emails.ts
@ -12,7 +12,7 @@ import { getValueFromBucket } from '../../common/calculate-dpm'
 import { formatNumericProbability } from '../../common/pseudo-numeric'

 import { sendTemplateEmail, sendTextEmail } from './send-email'
-import { contractUrl, getUser, log } from './utils'
+import { contractUrl, getUser } from './utils'
 import { buildCardUrl, getOpenGraphProps } from '../../common/contract-details'
 import { notification_reason_types } from '../../common/notification'
 import { Dictionary } from 'lodash'
@ -212,16 +212,20 @@ export const sendOneWeekBonusEmail = async (
  user: User,
  privateUser: PrivateUser
 ) => {
-  if (!privateUser || !privateUser.email) return
+  if (
+    !privateUser ||
+    !privateUser.email ||
+    !privateUser.notificationPreferences.onboarding_flow.includes('email')
+  )
+    return

  const { name } = user
  const firstName = name.split(' ')[0]

-  const { unsubscribeUrl, sendToEmail } = getNotificationDestinationsForUser(
+  const { unsubscribeUrl } = getNotificationDestinationsForUser(
    privateUser,
    'onboarding_flow'
  )
-  if (!sendToEmail) return

  return await sendTemplateEmail(
    privateUser.email,
@ -243,15 +247,19 @@ export const sendCreatorGuideEmail = async (
  privateUser: PrivateUser,
  sendTime: string
 ) => {
-  if (!privateUser || !privateUser.email) return
+  if (
+    !privateUser ||
+    !privateUser.email ||
+    !privateUser.notificationPreferences.onboarding_flow.includes('email')
+  )
+    return

  const { name } = user
  const firstName = name.split(' ')[0]
-  const { unsubscribeUrl, sendToEmail } = getNotificationDestinationsForUser(
+  const { unsubscribeUrl } = getNotificationDestinationsForUser(
    privateUser,
    'onboarding_flow'
  )
-  if (!sendToEmail) return
  return await sendTemplateEmail(
    privateUser.email,
    'Create your own prediction market',
@ -271,16 +279,22 @@ export const sendThankYouEmail = async (
  user: User,
  privateUser: PrivateUser
 ) => {
-  if (!privateUser || !privateUser.email) return
+  if (
+    !privateUser ||
+    !privateUser.email ||
+    !privateUser.notificationPreferences.thank_you_for_purchases.includes(
+      'email'
+    )
+  )
+    return

  const { name } = user
  const firstName = name.split(' ')[0]
-  const { unsubscribeUrl, sendToEmail } = getNotificationDestinationsForUser(
+  const { unsubscribeUrl } = getNotificationDestinationsForUser(
    privateUser,
    'thank_you_for_purchases'
  )

-  if (!sendToEmail) return
  return await sendTemplateEmail(
    privateUser.email,
    'Thanks for your Manifold purchase',
@ -301,7 +315,12 @@ export const sendMarketCloseEmail = async (
  privateUser: PrivateUser,
  contract: Contract
 ) => {
-  if (!privateUser.email) return
+  const { sendToEmail, unsubscribeUrl } = getNotificationDestinationsForUser(
+    privateUser,
+    reason
+  )
+
+  if (!privateUser.email || !sendToEmail) return

  const { username, name, id: userId } = user
  const firstName = name.split(' ')[0]
@ -310,7 +329,6 @@ export const sendMarketCloseEmail = async (

  const url = `https://${DOMAIN}/${username}/${slug}`

-  // We ignore if they were able to unsubscribe from market close emails, this is a necessary email
  return await sendTemplateEmail(
    privateUser.email,
    'Your market has closed',
@ -318,7 +336,7 @@ export const sendMarketCloseEmail = async (
    {
      question,
      url,
-      unsubscribeUrl: '',
+      unsubscribeUrl,
      userId,
      name: firstName,
      volume: formatMoney(volume),
@ -448,13 +466,17 @@ export const sendInterestingMarketsEmail = async (
  contractsToSend: Contract[],
  deliveryTime?: string
 ) => {
-  if (!privateUser || !privateUser.email) return
+  if (
+    !privateUser ||
+    !privateUser.email ||
+    !privateUser.notificationPreferences.trending_markets.includes('email')
+  )
+    return

-  const { unsubscribeUrl, sendToEmail } = getNotificationDestinationsForUser(
+  const { unsubscribeUrl } = getNotificationDestinationsForUser(
    privateUser,
    'trending_markets'
  )
-  if (!sendToEmail) return

  const { name } = user
  const firstName = name.split(' ')[0]
@ -598,15 +620,18 @@ export const sendWeeklyPortfolioUpdateEmail = async (
  investments: PerContractInvestmentsData[],
  overallPerformance: OverallPerformanceData
 ) => {
-  if (!privateUser || !privateUser.email) return
+  if (
+    !privateUser ||
+    !privateUser.email ||
+    !privateUser.notificationPreferences.profit_loss_updates.includes('email')
+  )
+    return

-  const { unsubscribeUrl, sendToEmail } = getNotificationDestinationsForUser(
+  const { unsubscribeUrl } = getNotificationDestinationsForUser(
    privateUser,
    'profit_loss_updates'
  )

-  if (!sendToEmail) return
-
  const { name } = user
  const firstName = name.split(' ')[0]
  const templateData: Record<string, string> = {
@ -631,5 +656,4 @@ export const sendWeeklyPortfolioUpdateEmail = async (
      : 'portfolio-update',
    templateData
  )
-  log('Sent portfolio update email to', privateUser.email)
 }
--- a/functions/src/helpers/add-house-subsidy.ts
+++ b/functions/src/helpers/add-house-subsidy.ts
@ -1,42 +0,0 @@
-import * as admin from 'firebase-admin'
-
-import { CPMMContract } from '../../../common/contract'
-import { isProd } from '../utils'
-import {
-  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-  HOUSE_LIQUIDITY_PROVIDER_ID,
-} from '../../../common/antes'
-import { getNewLiquidityProvision } from '../../../common/add-liquidity'
-
-const firestore = admin.firestore()
-
-export const addHouseSubsidy = (contractId: string, amount: number) => {
-  return firestore.runTransaction(async (transaction) => {
-    const newLiquidityProvisionDoc = firestore
-      .collection(`contracts/${contractId}/liquidity`)
-      .doc()
-
-    const providerId = isProd()
-      ? HOUSE_LIQUIDITY_PROVIDER_ID
-      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
-
-    const contractDoc = firestore.doc(`contracts/${contractId}`)
-    const snap = await contractDoc.get()
-    const contract = snap.data() as CPMMContract
-
-    const { newLiquidityProvision, newTotalLiquidity, newSubsidyPool } =
-      getNewLiquidityProvision(
-        providerId,
-        amount,
-        contract,
-        newLiquidityProvisionDoc.id
-      )
-
-    transaction.update(contractDoc, {
-      subsidyPool: newSubsidyPool,
-      totalLiquidity: newTotalLiquidity,
-    } as Partial<CPMMContract>)
-
-    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
-  })
-}
--- a/functions/src/index.ts
+++ b/functions/src/index.ts
@ -9,7 +9,7 @@ export * from './on-create-user'
 export * from './on-create-bet'
 export * from './on-create-comment-on-contract'
 export * from './on-view'
-export { scheduleUpdateMetrics } from './update-metrics'
+export * from './update-metrics'
 export * from './update-stats'
 export * from './update-loans'
 export * from './backup-db'
@ -31,7 +31,6 @@ export * from './reset-weekly-emails-flags'
 export * from './on-update-contract-follow'
 export * from './on-update-like'
 export * from './weekly-portfolio-emails'
-export * from './drizzle-liquidity'

 // v2
 export * from './health'
@ -45,14 +44,14 @@ export * from './sell-bet'
 export * from './sell-shares'
 export * from './claim-manalink'
 export * from './create-market'
+export * from './add-liquidity'
+export * from './withdraw-liquidity'
 export * from './create-group'
 export * from './resolve-market'
 export * from './unsubscribe'
 export * from './stripe'
 export * from './mana-bonus-email'
 export * from './close-market'
-export * from './update-comment-bounty'
-export * from './add-subsidy'

 import { health } from './health'
 import { transact } from './transact'
@ -65,8 +64,8 @@ import { sellbet } from './sell-bet'
 import { sellshares } from './sell-shares'
 import { claimmanalink } from './claim-manalink'
 import { createmarket } from './create-market'
-import { createcomment } from './create-comment'
-import { addcommentbounty, awardcommentbounty } from './update-comment-bounty'
+import { addliquidity } from './add-liquidity'
+import { withdrawliquidity } from './withdraw-liquidity'
 import { creategroup } from './create-group'
 import { resolvemarket } from './resolve-market'
 import { closemarket } from './close-market'
@ -76,8 +75,6 @@ import { getcurrentuser } from './get-current-user'
 import { acceptchallenge } from './accept-challenge'
 import { createpost } from './create-post'
 import { savetwitchcredentials } from './save-twitch-credentials'
-import { updatemetrics } from './update-metrics'
-import { addsubsidy } from './add-subsidy'

 const toCloudFunction = ({ opts, handler }: EndpointDefinition) => {
  return onRequest(opts, handler as any)
@ -93,10 +90,8 @@ const sellBetFunction = toCloudFunction(sellbet)
 const sellSharesFunction = toCloudFunction(sellshares)
 const claimManalinkFunction = toCloudFunction(claimmanalink)
 const createMarketFunction = toCloudFunction(createmarket)
-const addSubsidyFunction = toCloudFunction(addsubsidy)
-const addCommentBounty = toCloudFunction(addcommentbounty)
-const createCommentFunction = toCloudFunction(createcomment)
-const awardCommentBounty = toCloudFunction(awardcommentbounty)
+const addLiquidityFunction = toCloudFunction(addliquidity)
+const withdrawLiquidityFunction = toCloudFunction(withdrawliquidity)
 const createGroupFunction = toCloudFunction(creategroup)
 const resolveMarketFunction = toCloudFunction(resolvemarket)
 const closeMarketFunction = toCloudFunction(closemarket)
@ -107,7 +102,6 @@ const getCurrentUserFunction = toCloudFunction(getcurrentuser)
 const acceptChallenge = toCloudFunction(acceptchallenge)
 const createPostFunction = toCloudFunction(createpost)
 const saveTwitchCredentials = toCloudFunction(savetwitchcredentials)
-const updateMetricsFunction = toCloudFunction(updatemetrics)

 export {
  healthFunction as health,
@ -121,7 +115,8 @@ export {
  sellSharesFunction as sellshares,
  claimManalinkFunction as claimmanalink,
  createMarketFunction as createmarket,
-  addSubsidyFunction as addsubsidy,
+  addLiquidityFunction as addliquidity,
+  withdrawLiquidityFunction as withdrawliquidity,
  createGroupFunction as creategroup,
  resolveMarketFunction as resolvemarket,
  closeMarketFunction as closemarket,
@ -132,8 +127,4 @@ export {
  acceptChallenge as acceptchallenge,
  createPostFunction as createpost,
  saveTwitchCredentials as savetwitchcredentials,
-  createCommentFunction as createcomment,
-  addCommentBounty as addcommentbounty,
-  awardCommentBounty as awardcommentbounty,
-  updateMetricsFunction as updatemetrics,
 }
--- a/functions/src/market-close-notifications.ts
+++ b/functions/src/market-close-notifications.ts
@ -3,10 +3,8 @@ import * as admin from 'firebase-admin'

 import { Contract } from '../../common/contract'
 import { getPrivateUser, getUserByUsername } from './utils'
-import { createMarketClosedNotification } from './create-notification'
-import { DAY_MS } from '../../common/util/time'
+import { createNotification } from './create-notification'

-const SEND_NOTIFICATIONS_EVERY_DAYS = 5
 export const marketCloseNotifications = functions
  .runWith({ secrets: ['MAILGUN_KEY'] })
  .pubsub.schedule('every 1 hours')
@ -16,31 +14,31 @@ export const marketCloseNotifications = functions

 const firestore = admin.firestore()

-export async function sendMarketCloseEmails() {
+async function sendMarketCloseEmails() {
  const contracts = await firestore.runTransaction(async (transaction) => {
    const snap = await transaction.get(
      firestore.collection('contracts').where('isResolved', '!=', true)
    )
-    const contracts = snap.docs.map((doc) => doc.data() as Contract)
-    const now = Date.now()
-    const closeContracts = contracts.filter(
-      (contract) =>
-        contract.closeTime &&
-        contract.closeTime < now &&
-        shouldSendFirstOrFollowUpCloseNotification(contract)
-    )

-    await Promise.all(
-      closeContracts.map(async (contract) => {
-        await transaction.update(
-          firestore.collection('contracts').doc(contract.id),
-          {
-            closeEmailsSent: admin.firestore.FieldValue.increment(1),
-          }
+    return snap.docs
+      .map((doc) => {
+        const contract = doc.data() as Contract
+
+        if (
+          contract.resolution ||
+          (contract.closeEmailsSent ?? 0) >= 1 ||
+          contract.closeTime === undefined ||
+          (contract.closeTime ?? 0) > Date.now()
        )
+          return undefined
+
+        transaction.update(doc.ref, {
+          closeEmailsSent: (contract.closeEmailsSent ?? 0) + 1,
+        })
+
+        return contract
      })
-    )
-    return closeContracts
+      .filter((x) => !!x) as Contract[]
  })

  for (const contract of contracts) {
@ -57,40 +55,14 @@ export async function sendMarketCloseEmails() {
    const privateUser = await getPrivateUser(user.id)
    if (!privateUser) continue

-    await createMarketClosedNotification(
-      contract,
+    await createNotification(
+      contract.id,
+      'contract',
+      'closed',
      user,
-      privateUser,
-      contract.id + '-closed-at-' + contract.closeTime
+      contract.id + '-closed-at-' + contract.closeTime,
+      contract.closeTime?.toString() ?? new Date().toString(),
+      { contract }
    )
  }
 }
-
-// The downside of this approach is if this function goes down for the entire
-// day of a multiple of the time period after the market has closed, it won't
-// keep sending them notifications bc when it comes back online the time period will have passed
-function shouldSendFirstOrFollowUpCloseNotification(contract: Contract) {
-  if (!contract.closeEmailsSent || contract.closeEmailsSent === 0) return true
-  const { closedMultipleOfNDaysAgo, fullTimePeriodsSinceClose } =
-    marketClosedMultipleOfNDaysAgo(contract)
-  return (
-    contract.closeEmailsSent > 0 &&
-    closedMultipleOfNDaysAgo &&
-    contract.closeEmailsSent === fullTimePeriodsSinceClose
-  )
-}
-
-function marketClosedMultipleOfNDaysAgo(contract: Contract) {
-  const now = Date.now()
-  const closeTime = contract.closeTime
-  if (!closeTime)
-    return { closedMultipleOfNDaysAgo: false, fullTimePeriodsSinceClose: 0 }
-  const daysSinceClose = Math.floor((now - closeTime) / DAY_MS)
-  return {
-    closedMultipleOfNDaysAgo:
-      daysSinceClose % SEND_NOTIFICATIONS_EVERY_DAYS == 0,
-    fullTimePeriodsSinceClose: Math.floor(
-      daysSinceClose / SEND_NOTIFICATIONS_EVERY_DAYS
-    ),
-  }
-}
--- a/functions/src/on-create-bet.ts
+++ b/functions/src/on-create-bet.ts
@ -12,7 +12,6 @@ import {
  revalidateStaticProps,
 } from './utils'
 import {
-  createBadgeAwardedNotification,
  createBetFillNotification,
  createBettingStreakBonusNotification,
  createUniqueBettorBonusNotification,
@ -25,7 +24,6 @@ import {
  BETTING_STREAK_BONUS_MAX,
  BETTING_STREAK_RESET_HOUR,
  UNIQUE_BETTOR_BONUS_AMOUNT,
-  UNIQUE_BETTOR_LIQUIDITY,
 } from '../../common/economy'
 import {
  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
@ -35,11 +33,6 @@ import { APIError } from '../../common/api'
 import { User } from '../../common/user'
 import { DAY_MS } from '../../common/util/time'
 import { BettingStreakBonusTxn, UniqueBettorBonusTxn } from '../../common/txn'
-import { addHouseSubsidy } from './helpers/add-house-subsidy'
-import {
-  StreakerBadge,
-  streakerBadgeRarityThresholds,
-} from '../../common/badge'

 const firestore = admin.firestore()
 const BONUS_START_DATE = new Date('2022-07-13T15:30:00.000Z').getTime()
@ -110,7 +103,7 @@ const updateBettingStreak = async (

    const newBettingStreak = (bettor?.currentBettingStreak ?? 0) + 1
    // Otherwise, add 1 to their betting streak
-    trans.update(userDoc, {
+    await trans.update(userDoc, {
      currentBettingStreak: newBettingStreak,
      lastBetTime: bet.createdTime,
    })
@ -150,7 +143,7 @@ const updateBettingStreak = async (
    log('message:', result.message)
    return
  }
-  if (result.txn) {
+  if (result.txn)
    await createBettingStreakBonusNotification(
      user,
      result.txn.id,
@ -160,8 +153,6 @@ const updateBettingStreak = async (
      newBettingStreak,
      eventId
    )
-    await handleBettingStreakBadgeAward(user, newBettingStreak)
-  }
 }

 const updateUniqueBettorsAndGiveCreatorBonus = async (
@ -200,7 +191,7 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
        log(`Got ${previousUniqueBettorIds} unique bettors`)
        isNewUniqueBettor && log(`And a new unique bettor ${bettor.id}`)

-        trans.update(contractDoc, {
+        await trans.update(contractDoc, {
          uniqueBettorIds: newUniqueBettorIds,
          uniqueBettorCount: newUniqueBettorIds.length,
        })
@ -213,13 +204,8 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
      return { newUniqueBettorIds }
    }
  )
-
  if (!newUniqueBettorIds) return

-  if (oldContract.mechanism === 'cpmm-1') {
-    await addHouseSubsidy(oldContract.id, UNIQUE_BETTOR_LIQUIDITY)
-  }
-
  const bonusTxnDetails = {
    contractId: oldContract.id,
    uniqueNewBettorId: bettor.id,
@ -229,9 +215,7 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
    : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
  const fromSnap = await firestore.doc(`users/${fromUserId}`).get()
  if (!fromSnap.exists) throw new APIError(400, 'From user not found.')
-
  const fromUser = fromSnap.data() as User
-
  const result = await firestore.runTransaction(async (trans) => {
    const bonusTxn: TxnData = {
      fromId: fromUser.id,
@ -244,9 +228,7 @@ const updateUniqueBettorsAndGiveCreatorBonus = async (
      description: JSON.stringify(bonusTxnDetails),
      data: bonusTxnDetails,
    } as Omit<UniqueBettorBonusTxn, 'id' | 'createdTime'>
-
    const { status, message, txn } = await runTxn(trans, bonusTxn)
-
    return { status, newUniqueBettorIds, message, txn }
  })

@ -314,39 +296,3 @@ const notifyFills = async (
 const currentDateBettingStreakResetTime = () => {
  return new Date().setUTCHours(BETTING_STREAK_RESET_HOUR, 0, 0, 0)
 }
-
-async function handleBettingStreakBadgeAward(
-  user: User,
-  newBettingStreak: number
-) {
-  const alreadyHasBadgeForFirstStreak =
-    user.achievements?.streaker?.badges.some(
-      (badge) => badge.data.totalBettingStreak === 1
-    )
-  // TODO: check if already awarded 50th streak as well
-  if (newBettingStreak === 1 && alreadyHasBadgeForFirstStreak) return
-
-  if (streakerBadgeRarityThresholds.includes(newBettingStreak)) {
-    const badge = {
-      type: 'STREAKER',
-      name: 'Streaker',
-      data: {
-        totalBettingStreak: newBettingStreak,
-      },
-      createdTime: Date.now(),
-    } as StreakerBadge
-    // update user
-    await firestore
-      .collection('users')
-      .doc(user.id)
-      .update({
-        achievements: {
-          ...user.achievements,
-          streaker: {
-            badges: [...(user.achievements?.streaker?.badges ?? []), badge],
-          },
-        },
-      })
-    await createBadgeAwardedNotification(user, badge)
-  }
-}
--- a/functions/src/on-create-contract.ts
+++ b/functions/src/on-create-contract.ts
@ -1,20 +1,11 @@
 import * as functions from 'firebase-functions'

-import { getUser, getValues } from './utils'
-import {
-  createBadgeAwardedNotification,
-  createNewContractNotification,
-} from './create-notification'
+import { getUser } from './utils'
+import { createNewContractNotification } from './create-notification'
 import { Contract } from '../../common/contract'
 import { parseMentions, richTextToString } from '../../common/util/parse'
 import { JSONContent } from '@tiptap/core'
 import { addUserToContractFollowers } from './follow-market'
-import { User } from '../../common/user'
-import * as admin from 'firebase-admin'
-import {
-  MarketCreatorBadge,
-  marketCreatorBadgeRarityThresholds,
-} from '../../common/badge'

 export const onCreateContract = functions
  .runWith({ secrets: ['MAILGUN_KEY'] })
@ -37,43 +28,4 @@ export const onCreateContract = functions
      richTextToString(desc),
      mentioned
    )
-    await handleMarketCreatorBadgeAward(contractCreator)
  })
-
-const firestore = admin.firestore()
-
-async function handleMarketCreatorBadgeAward(contractCreator: User) {
-  // get all contracts by user and calculate size of array
-  const contracts = await getValues<Contract>(
-    firestore
-      .collection(`contracts`)
-      .where('creatorId', '==', contractCreator.id)
-      .where('resolution', '!=', 'CANCEL')
-  )
-  if (marketCreatorBadgeRarityThresholds.includes(contracts.length)) {
-    const badge = {
-      type: 'MARKET_CREATOR',
-      name: 'Market Creator',
-      data: {
-        totalContractsCreated: contracts.length,
-      },
-      createdTime: Date.now(),
-    } as MarketCreatorBadge
-    // update user
-    await firestore
-      .collection('users')
-      .doc(contractCreator.id)
-      .update({
-        achievements: {
-          ...contractCreator.achievements,
-          marketCreator: {
-            badges: [
-              ...(contractCreator.achievements?.marketCreator?.badges ?? []),
-              badge,
-            ],
-          },
-        },
-      })
-    await createBadgeAwardedNotification(contractCreator, badge)
-  }
-}
--- a/functions/src/on-create-liquidity-provision.ts
+++ b/functions/src/on-create-liquidity-provision.ts
@ -1,6 +1,6 @@
 import * as functions from 'firebase-functions'
 import { getContract, getUser, log } from './utils'
-import { createFollowOrMarketSubsidizedNotification } from './create-notification'
+import { createNotification } from './create-notification'
 import { LiquidityProvision } from '../../common/liquidity-provision'
 import { addUserToContractFollowers } from './follow-market'
 import { FIXED_ANTE } from '../../common/economy'
@ -36,7 +36,7 @@ export const onCreateLiquidityProvision = functions.firestore
    if (!liquidityProvider) throw new Error('Could not find liquidity provider')
    await addUserToContractFollowers(contract.id, liquidityProvider.id)

-    await createFollowOrMarketSubsidizedNotification(
+    await createNotification(
      contract.id,
      'liquidity',
      'created',
--- a/functions/src/on-follow-user.ts
+++ b/functions/src/on-follow-user.ts
@ -2,7 +2,7 @@ import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'

 import { getUser } from './utils'
-import { createFollowOrMarketSubsidizedNotification } from './create-notification'
+import { createNotification } from './create-notification'
 import { FieldValue } from 'firebase-admin/firestore'

 export const onFollowUser = functions.firestore
@ -23,7 +23,7 @@ export const onFollowUser = functions.firestore
      followerCountCached: FieldValue.increment(1),
    })

-    await createFollowOrMarketSubsidizedNotification(
+    await createNotification(
      followingUser.id,
      'follow',
      'created',
--- a/functions/src/on-update-contract.ts
+++ b/functions/src/on-update-contract.ts
@ -1,160 +1,44 @@
 import * as functions from 'firebase-functions'
-import { getUser, getValues } from './utils'
-import {
-  createBadgeAwardedNotification,
-  createCommentOrAnswerOrUpdatedContractNotification,
-} from './create-notification'
+import { getUser } from './utils'
+import { createCommentOrAnswerOrUpdatedContractNotification } from './create-notification'
 import { Contract } from '../../common/contract'
-import { Bet } from '../../common/bet'
-import * as admin from 'firebase-admin'
-import { ContractComment } from '../../common/comment'
-import { scoreCommentorsAndBettors } from '../../common/scoring'
-import {
-  MINIMUM_UNIQUE_BETTORS_FOR_PROVEN_CORRECT_BADGE,
-  ProvenCorrectBadge,
-} from '../../common/badge'
-import { GroupContractDoc } from '../../common/group'

 export const onUpdateContract = functions.firestore
  .document('contracts/{contractId}')
  .onUpdate(async (change, context) => {
    const contract = change.after.data() as Contract
-    const previousContract = change.before.data() as Contract
    const { eventId } = context
-    const { closeTime, question } = contract

-    if (!previousContract.isResolved && contract.isResolved) {
-      // No need to notify users of resolution, that's handled in resolve-market
-      return await handleResolvedContract(contract)
-    } else if (previousContract.groupSlugs !== contract.groupSlugs) {
-      await handleContractGroupUpdated(previousContract, contract)
-    } else if (
-      previousContract.closeTime !== closeTime ||
-      previousContract.question !== question
+    const contractUpdater = await getUser(contract.creatorId)
+    if (!contractUpdater) throw new Error('Could not find contract updater')
+
+    const previousValue = change.before.data() as Contract
+
+    // Resolution is handled in resolve-market.ts
+    if (!previousValue.isResolved && contract.isResolved) return
+
+    if (
+      previousValue.closeTime !== contract.closeTime ||
+      previousValue.question !== contract.question
    ) {
-      await handleUpdatedCloseTime(previousContract, contract, eventId)
+      let sourceText = ''
+      if (
+        previousValue.closeTime !== contract.closeTime &&
+        contract.closeTime
+      ) {
+        sourceText = contract.closeTime.toString()
+      } else if (previousValue.question !== contract.question) {
+        sourceText = contract.question
+      }
+
+      await createCommentOrAnswerOrUpdatedContractNotification(
+        contract.id,
+        'contract',
+        'updated',
+        contractUpdater,
+        eventId,
+        sourceText,
+        contract
+      )
    }
  })
-
-async function handleResolvedContract(contract: Contract) {
-  if (
-    (contract.uniqueBettorCount ?? 0) <
-      MINIMUM_UNIQUE_BETTORS_FOR_PROVEN_CORRECT_BADGE ||
-    contract.resolution === 'CANCEL'
-  )
-    return
-
-  // get all bets on this contract
-  const bets = await getValues<Bet>(
-    firestore.collection(`contracts/${contract.id}/bets`)
-  )
-
-  // get comments on this contract
-  const comments = await getValues<ContractComment>(
-    firestore.collection(`contracts/${contract.id}/comments`)
-  )
-
-  const { topCommentId, profitById, commentsById, betsById, topCommentBetId } =
-    scoreCommentorsAndBettors(contract, bets, comments)
-  if (topCommentBetId && profitById[topCommentBetId] > 0) {
-    // award proven correct badge to user
-    const comment = commentsById[topCommentId]
-    const bet = betsById[topCommentBetId]
-
-    const user = await getUser(comment.userId)
-    if (!user) return
-    const newProvenCorrectBadge = {
-      createdTime: Date.now(),
-      type: 'PROVEN_CORRECT',
-      name: 'Proven Correct',
-      data: {
-        contractSlug: contract.slug,
-        contractCreatorUsername: contract.creatorUsername,
-        commentId: comment.id,
-        betAmount: bet.amount,
-        contractTitle: contract.question,
-      },
-    } as ProvenCorrectBadge
-    // update user
-    await firestore
-      .collection('users')
-      .doc(user.id)
-      .update({
-        achievements: {
-          ...user.achievements,
-          provenCorrect: {
-            badges: [
-              ...(user.achievements?.provenCorrect?.badges ?? []),
-              newProvenCorrectBadge,
-            ],
-          },
-        },
-      })
-    await createBadgeAwardedNotification(user, newProvenCorrectBadge)
-  }
-}
-
-async function handleUpdatedCloseTime(
-  previousContract: Contract,
-  contract: Contract,
-  eventId: string
-) {
-  const contractUpdater = await getUser(contract.creatorId)
-  if (!contractUpdater) throw new Error('Could not find contract updater')
-  let sourceText = ''
-  if (previousContract.closeTime !== contract.closeTime && contract.closeTime) {
-    sourceText = contract.closeTime.toString()
-  } else if (previousContract.question !== contract.question) {
-    sourceText = contract.question
-  }
-
-  await createCommentOrAnswerOrUpdatedContractNotification(
-    contract.id,
-    'contract',
-    'updated',
-    contractUpdater,
-    eventId,
-    sourceText,
-    contract
-  )
-}
-
-async function handleContractGroupUpdated(
-  previousContract: Contract,
-  contract: Contract
-) {
-  const prevLength = previousContract.groupSlugs?.length ?? 0
-  const newLength = contract.groupSlugs?.length ?? 0
-  if (prevLength < newLength) {
-    // Contract was added to a new group
-    const groupId = contract.groupLinks?.find(
-      (link) =>
-        !previousContract.groupLinks
-          ?.map((l) => l.groupId)
-          .includes(link.groupId)
-    )?.groupId
-    if (!groupId) throw new Error('Could not find new group id')
-
-    await firestore
-      .collection(`groups/${groupId}/groupContracts`)
-      .doc(contract.id)
-      .set({
-        contractId: contract.id,
-        createdTime: Date.now(),
-      } as GroupContractDoc)
-  }
-  if (prevLength > newLength) {
-    // Contract was removed from a group
-    const groupId = previousContract.groupLinks?.find(
-      (link) =>
-        !contract.groupLinks?.map((l) => l.groupId).includes(link.groupId)
-    )?.groupId
-    if (!groupId) throw new Error('Could not find old group id')
-
-    await firestore
-      .collection(`groups/${groupId}/groupContracts`)
-      .doc(contract.id)
-      .delete()
-  }
-}
-const firestore = admin.firestore()
--- a/functions/src/on-update-user.ts
+++ b/functions/src/on-update-user.ts
@ -5,6 +5,8 @@ import { HOUSE_LIQUIDITY_PROVIDER_ID } from '../../common/antes'
 import { createReferralNotification } from './create-notification'
 import { ReferralTxn } from '../../common/txn'
 import { Contract } from '../../common/contract'
+import { LimitBet } from '../../common/bet'
+import { QuerySnapshot } from 'firebase-admin/firestore'
 import { Group } from '../../common/group'
 import { REFERRAL_AMOUNT } from '../../common/economy'
 const firestore = admin.firestore()
@ -19,6 +21,10 @@ export const onUpdateUser = functions.firestore
    if (prevUser.referredByUserId !== user.referredByUserId) {
      await handleUserUpdatedReferral(user, eventId)
    }
+
+    if (user.balance <= 0) {
+      await cancelLimitOrders(user.id)
+    }
  })

 async function handleUserUpdatedReferral(user: User, eventId: string) {
@ -117,3 +123,15 @@ async function handleUserUpdatedReferral(user: User, eventId: string) {
    )
  })
 }
+
+async function cancelLimitOrders(userId: string) {
+  const snapshot = (await firestore
+    .collectionGroup('bets')
+    .where('userId', '==', userId)
+    .where('isFilled', '==', false)
+    .get()) as QuerySnapshot<LimitBet>
+
+  await Promise.all(
+    snapshot.docs.map((doc) => doc.ref.update({ isCancelled: true }))
+  )
+}
--- a/functions/src/place-bet.ts
+++ b/functions/src/place-bet.ts
@ -11,7 +11,6 @@ import { groupBy, mapValues, sumBy, uniq } from 'lodash'
 import { APIError, newEndpoint, validate } from './api'
 import { Contract, CPMM_MIN_POOL_QTY } from '../../common/contract'
 import { User } from '../../common/user'
-import { FLAT_TRADE_FEE } from '../../common/fees'
 import {
  BetInfo,
  getBinaryCpmmBetInfo,
@ -24,7 +23,6 @@ import { floatingEqual } from '../../common/util/math'
 import { redeemShares } from './redeem-shares'
 import { log } from './utils'
 import { addUserToContractFollowers } from './follow-market'
-import { filterDefined } from '../../common/util/array'

 const bodySchema = z.object({
  contractId: z.string(),
@ -75,11 +73,9 @@ export const placebet = newEndpoint({}, async (req, auth) => {
      newTotalLiquidity,
      newP,
      makers,
-      ordersToCancel,
    } = await (async (): Promise<
      BetInfo & {
        makers?: maker[]
-        ordersToCancel?: LimitBet[]
      }
    > => {
      if (
@ -103,16 +99,17 @@ export const placebet = newEndpoint({}, async (req, auth) => {
          limitProb = Math.round(limitProb * 100) / 100
        }

-        const { unfilledBets, balanceByUserId } =
-          await getUnfilledBetsAndUserBalances(trans, contractDoc)
+        const unfilledBetsSnap = await trans.get(
+          getUnfilledBetsQuery(contractDoc)
+        )
+        const unfilledBets = unfilledBetsSnap.docs.map((doc) => doc.data())

        return getBinaryCpmmBetInfo(
          outcome,
          amount,
          contract,
          limitProb,
-          unfilledBets,
-          balanceByUserId
+          unfilledBets
        )
      } else if (
        (outcomeType == 'FREE_RESPONSE' || outcomeType === 'MULTIPLE_CHOICE') &&
@ -155,25 +152,11 @@ export const placebet = newEndpoint({}, async (req, auth) => {
    if (makers) {
      updateMakers(makers, betDoc.id, contractDoc, trans)
    }
-    if (ordersToCancel) {
-      for (const bet of ordersToCancel) {
-        trans.update(contractDoc.collection('bets').doc(bet.id), {
-          isCancelled: true,
-        })
-      }
-    }
-
-    const balanceChange =
-      newBet.amount !== 0
-        ? // quick bet
-          newBet.amount + FLAT_TRADE_FEE
-        : // limit order
-          FLAT_TRADE_FEE
-
-    trans.update(userDoc, { balance: FieldValue.increment(-balanceChange) })
-    log('Updated user balance.')

    if (newBet.amount !== 0) {
+      trans.update(userDoc, { balance: FieldValue.increment(-newBet.amount) })
+      log('Updated user balance.')
+
      trans.update(
        contractDoc,
        removeUndefinedProps({
@ -210,36 +193,13 @@ export const placebet = newEndpoint({}, async (req, auth) => {

 const firestore = admin.firestore()

-const getUnfilledBetsQuery = (contractDoc: DocumentReference) => {
+export const getUnfilledBetsQuery = (contractDoc: DocumentReference) => {
  return contractDoc
    .collection('bets')
    .where('isFilled', '==', false)
    .where('isCancelled', '==', false) as Query<LimitBet>
 }

-export const getUnfilledBetsAndUserBalances = async (
-  trans: Transaction,
-  contractDoc: DocumentReference
-) => {
-  const unfilledBetsSnap = await trans.get(getUnfilledBetsQuery(contractDoc))
-  const unfilledBets = unfilledBetsSnap.docs.map((doc) => doc.data())
-
-  // Get balance of all users with open limit orders.
-  const userIds = uniq(unfilledBets.map((bet) => bet.userId))
-  const userDocs =
-    userIds.length === 0
-      ? []
-      : await trans.getAll(
-          ...userIds.map((userId) => firestore.doc(`users/${userId}`))
-        )
-  const users = filterDefined(userDocs.map((doc) => doc.data() as User))
-  const balanceByUserId = Object.fromEntries(
-    users.map((user) => [user.id, user.balance])
-  )
-
-  return { unfilledBets, balanceByUserId }
-}
-
 type maker = {
  bet: LimitBet
  amount: number
--- a/functions/src/resolve-market.ts
+++ b/functions/src/resolve-market.ts
@ -1,6 +1,6 @@
 import * as admin from 'firebase-admin'
 import { z } from 'zod'
-import { mapValues, groupBy, sumBy, uniqBy } from 'lodash'
+import { mapValues, groupBy, sumBy } from 'lodash'

 import {
  Contract,
@ -9,20 +9,12 @@ import {
  RESOLUTIONS,
 } from '../../common/contract'
 import { Bet } from '../../common/bet'
-import {
-  getContractPath,
-  getUser,
-  getValues,
-  isProd,
-  log,
-  payUsers,
-  payUsersMultipleTransactions,
-  revalidateStaticProps,
-} from './utils'
+import { getContractPath, getUser, getValues, isProd, log, payUser, revalidateStaticProps } from './utils'
 import {
  getLoanPayouts,
  getPayouts,
  groupPayoutsByUser,
+  Payout,
 } from '../../common/payouts'
 import { isAdmin, isManifoldId } from '../../common/envs/constants'
 import { removeUndefinedProps } from '../../common/util/object'
@ -36,7 +28,6 @@ import {
  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
  HOUSE_LIQUIDITY_PROVIDER_ID,
 } from '../../common/antes'
-import { User } from 'common/user'

 const bodySchema = z.object({
  contractId: z.string(),
@ -90,10 +81,13 @@ export const resolvemarket = newEndpoint(opts, async (req, auth) => {
  if (!contractSnap.exists)
    throw new APIError(404, 'No contract exists with the provided ID')
  const contract = contractSnap.data() as Contract
-  const { creatorId } = contract
+  const { creatorId, closeTime } = contract
  const firebaseUser = await admin.auth().getUser(auth.uid)

-  const resolutionParams = getResolutionParams(contract, req.body)
+  const { value, resolutions, probabilityInt, outcome } = getResolutionParams(
+    contract,
+    req.body
+  )

  if (
    creatorId !== auth.uid &&
@ -107,16 +101,6 @@ export const resolvemarket = newEndpoint(opts, async (req, auth) => {
  const creator = await getUser(creatorId)
  if (!creator) throw new APIError(500, 'Creator not found')

-  return await resolveMarket(contract, creator, resolutionParams)
-})
-
-export const resolveMarket = async (
-  contract: Contract,
-  creator: User,
-  { value, resolutions, probabilityInt, outcome }: ResolutionParams
-) => {
-  const { creatorId, closeTime, id: contractId } = contract
-
  const resolutionProbability =
    probabilityInt !== undefined ? probabilityInt / 100 : undefined

@ -139,19 +123,15 @@ export const resolveMarket = async (
    (doc) => doc.data() as LiquidityProvision
  )

-  const {
-    payouts: traderPayouts,
-    creatorPayout,
-    liquidityPayouts,
-    collectedFees,
-  } = getPayouts(
-    outcome,
-    contract,
-    bets,
-    liquidities,
-    resolutions,
-    resolutionProbability
-  )
+  const { payouts, creatorPayout, liquidityPayouts, collectedFees } =
+    getPayouts(
+      outcome,
+      contract,
+      bets,
+      liquidities,
+      resolutions,
+      resolutionProbability
+    )

  const updatedContract = {
    ...contract,
@ -165,50 +145,35 @@ export const resolveMarket = async (
      resolutions,
      collectedFees,
    }),
-    subsidyPool: 0,
  }

+  await contractDoc.update(updatedContract)
+
+  console.log('contract ', contractId, 'resolved to:', outcome)
+
  const openBets = bets.filter((b) => !b.isSold && !b.sale)
  const loanPayouts = getLoanPayouts(openBets)

-  const payoutsWithoutLoans = [
-    { userId: creatorId, payout: creatorPayout, deposit: creatorPayout },
-    ...liquidityPayouts.map((p) => ({ ...p, deposit: p.payout })),
-    ...traderPayouts,
-  ]
-  const payouts = [...payoutsWithoutLoans, ...loanPayouts]
-
  if (!isProd())
    console.log(
-      'trader payouts:',
-      traderPayouts,
+      'payouts:',
+      payouts,
      'creator payout:',
      creatorPayout,
-      'liquidity payout:',
-      liquidityPayouts,
-      'loan payouts:',
-      loanPayouts
+      'liquidity payout:'
    )

-  const userCount = uniqBy(payouts, 'userId').length
-  const contractDoc = firestore.doc(`contracts/${contractId}`)
+  if (creatorPayout)
+    await processPayouts([{ userId: creatorId, payout: creatorPayout }], true)

-  if (userCount <= 499) {
-    await firestore.runTransaction(async (transaction) => {
-      payUsers(transaction, payouts)
-      transaction.update(contractDoc, updatedContract)
-    })
-  } else {
-    await payUsersMultipleTransactions(payouts)
-    await contractDoc.update(updatedContract)
-  }
-
-  console.log('contract ', contractId, 'resolved to:', outcome)
+  await processPayouts(liquidityPayouts, true)

+  await processPayouts([...payouts, ...loanPayouts])
  await undoUniqueBettorRewardsIfCancelResolution(contract, outcome)
+
  await revalidateStaticProps(getContractPath(contract))

-  const userPayoutsWithoutLoans = groupPayoutsByUser(payoutsWithoutLoans)
+  const userPayoutsWithoutLoans = groupPayoutsByUser(payouts)

  const userInvestments = mapValues(
    groupBy(bets, (bet) => bet.userId),
@ -235,6 +200,18 @@ export const resolveMarket = async (
  )

  return updatedContract
+})
+
+const processPayouts = async (payouts: Payout[], isDeposit = false) => {
+  const userPayouts = groupPayoutsByUser(payouts)
+
+  const payoutPromises = Object.entries(userPayouts).map(([userId, payout]) =>
+    payUser(userId, payout, isDeposit)
+  )
+
+  return await Promise.all(payoutPromises)
+    .catch((e) => ({ status: 'error', message: e }))
+    .then(() => ({ status: 'success' }))
 }

 function getResolutionParams(contract: Contract, body: string) {
@ -301,8 +278,6 @@ function getResolutionParams(contract: Contract, body: string) {
  throw new APIError(500, `Invalid outcome type: ${outcomeType}`)
 }

-type ResolutionParams = ReturnType<typeof getResolutionParams>
-
 function validateAnswer(
  contract: FreeResponseContract | MultipleChoiceContract,
  answer: number
--- a/functions/src/scripts/add-new-notification-preference.ts
+++ b/functions/src/scripts/add-new-notification-preference.ts
@ -1,30 +0,0 @@
-import * as admin from 'firebase-admin'
-
-import { initAdmin } from './script-init'
-import { getAllPrivateUsers } from 'functions/src/utils'
-initAdmin()
-
-const firestore = admin.firestore()
-
-async function main() {
-  const privateUsers = await getAllPrivateUsers()
-  await Promise.all(
-    privateUsers.map((privateUser) => {
-      if (!privateUser.id) return Promise.resolve()
-      if (privateUser.notificationPreferences.badges_awarded === undefined) {
-        return firestore
-          .collection('private-users')
-          .doc(privateUser.id)
-          .update({
-            notificationPreferences: {
-              ...privateUser.notificationPreferences,
-              badges_awarded: ['browser'],
-            },
-          })
-      }
-      return
-    })
-  )
-}
-
-if (require.main === module) main().then(() => process.exit())
--- a/functions/src/scripts/backfill-badges.ts
+++ b/functions/src/scripts/backfill-badges.ts
@ -1,136 +0,0 @@
-import * as admin from 'firebase-admin'
-
-import { initAdmin } from './script-init'
-import { getAllUsers, getValues } from '../utils'
-import { Contract } from 'common/contract'
-import {
-  MarketCreatorBadge,
-  marketCreatorBadgeRarityThresholds,
-  StreakerBadge,
-  streakerBadgeRarityThresholds,
-} from 'common/badge'
-import { User } from 'common/user'
-initAdmin()
-
-const firestore = admin.firestore()
-
-async function main() {
-  const users = await getAllUsers()
-  // const users = filterDefined([await getUser('6hHpzvRG0pMq8PNJs7RZj2qlZGn2')]) // dev ian
-  // const users = filterDefined([await getUser('uglwf3YKOZNGjjEXKc5HampOFRE2')]) // prod David
-  // const users = filterDefined([await getUser('AJwLWoo3xue32XIiAVrL5SyR1WB2')]) // prod ian
-  await Promise.all(
-    users.map(async (user) => {
-      if (!user.id) return
-      // Only backfill users without achievements
-      if (user.achievements === undefined) {
-        await firestore.collection('users').doc(user.id).update({
-          achievements: {},
-        })
-        user.achievements = {}
-        user.achievements = await awardMarketCreatorBadges(user)
-        user.achievements = await awardBettingStreakBadges(user)
-        console.log('Added achievements to user', user.id)
-        // going to ignore backfilling the proven correct badges for now
-      } else {
-        // Make corrections to existing achievements
-        await awardMarketCreatorBadges(user)
-      }
-    })
-  )
-}
-
-if (require.main === module) main().then(() => process.exit())
-
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-async function removeErrorBadges(user: User) {
-  if (
-    user.achievements.streaker?.badges.some(
-      (b) => b.data.totalBettingStreak > 1
-    )
-  ) {
-    console.log(
-      `User ${
-        user.id
-      } has a streaker badge with streaks ${user.achievements.streaker?.badges.map(
-        (b) => b.data.totalBettingStreak
-      )}`
-    )
-    // delete non 1,50 streaks
-    user.achievements.streaker.badges =
-      user.achievements.streaker.badges.filter((b) =>
-        streakerBadgeRarityThresholds.includes(b.data.totalBettingStreak)
-      )
-    // update user
-    await firestore.collection('users').doc(user.id).update({
-      achievements: user.achievements,
-    })
-  }
-}
-
-async function awardMarketCreatorBadges(user: User) {
-  // Award market maker badges
-  const contracts = (
-    await getValues<Contract>(
-      firestore.collection(`contracts`).where('creatorId', '==', user.id)
-    )
-  ).filter((c) => !c.resolution || c.resolution != 'CANCEL')
-
-  const achievements = {
-    ...user.achievements,
-    marketCreator: {
-      badges: [...(user.achievements.marketCreator?.badges ?? [])],
-    },
-  }
-  for (const threshold of marketCreatorBadgeRarityThresholds) {
-    const alreadyHasBadge = user.achievements.marketCreator?.badges.some(
-      (b) => b.data.totalContractsCreated === threshold
-    )
-    if (alreadyHasBadge) continue
-    if (contracts.length >= threshold) {
-      console.log(`User ${user.id} has at least ${threshold} contracts`)
-      const badge = {
-        type: 'MARKET_CREATOR',
-        name: 'Market Creator',
-        data: {
-          totalContractsCreated: threshold,
-        },
-        createdTime: Date.now(),
-      } as MarketCreatorBadge
-      achievements.marketCreator.badges.push(badge)
-    }
-  }
-  // update user
-  await firestore.collection('users').doc(user.id).update({
-    achievements,
-  })
-  return achievements
-}
-
-async function awardBettingStreakBadges(user: User) {
-  const streak = user.currentBettingStreak ?? 0
-  const achievements = {
-    ...user.achievements,
-    streaker: {
-      badges: [...(user.achievements?.streaker?.badges ?? [])],
-    },
-  }
-  for (const threshold of streakerBadgeRarityThresholds) {
-    if (streak >= threshold) {
-      const badge = {
-        type: 'STREAKER',
-        name: 'Streaker',
-        data: {
-          totalBettingStreak: threshold,
-        },
-        createdTime: Date.now(),
-      } as StreakerBadge
-      achievements.streaker.badges.push(badge)
-    }
-  }
-  // update user
-  await firestore.collection('users').doc(user.id).update({
-    achievements,
-  })
-  return achievements
-}
--- a/functions/src/scripts/backfill-subsidy-pool.ts
+++ b/functions/src/scripts/backfill-subsidy-pool.ts
@ -1,24 +0,0 @@
-import * as admin from 'firebase-admin'
-import { initAdmin } from './script-init'
-
-initAdmin()
-const firestore = admin.firestore()
-
-if (require.main === module) {
-  const contractsRef = firestore.collection('contracts')
-  contractsRef.get().then(async (contractsSnaps) => {
-
-    console.log(`Loaded ${contractsSnaps.size} contracts.`)
-
-    const needsFilling = contractsSnaps.docs.filter((ct) => {
-      return !('subsidyPool' in ct.data())
-    })
-
-    console.log(`Found ${needsFilling.length} contracts to update.`)
-    await Promise.all(
-      needsFilling.map((ct) => ct.ref.update({ subsidyPool: 0 }))
-    )
-
-    console.log(`Updated all contracts.`)
-  })
-}
--- a/functions/src/scripts/contest/bulk-add-liquidity.ts
+++ b/functions/src/scripts/contest/bulk-add-liquidity.ts
@ -50,5 +50,3 @@ async function main() {
  }
 }
 main()
-
-export {}
--- a/functions/src/scripts/contest/bulk-resolve-markets.ts
+++ b/functions/src/scripts/contest/bulk-resolve-markets.ts
@ -1,65 +0,0 @@
-// Run with `npx ts-node src/scripts/contest/resolve-markets.ts`
-
-const DOMAIN = 'dev.manifold.markets'
-// Dev API key for Cause Exploration Prizes (@CEP)
-const API_KEY = '188f014c-0ba2-4c35-9e6d-88252e281dbf'
-const GROUP_SLUG = 'cart-contest'
-
-// Can just curl /v0/group/{slug} to get a group
-async function getGroupBySlug(slug: string) {
-  const resp = await fetch(`https://${DOMAIN}/api/v0/group/${slug}`)
-  return await resp.json()
-}
-
-async function getMarketsByGroupId(id: string) {
-  // API structure: /v0/group/by-id/[id]/markets
-  const resp = await fetch(`https://${DOMAIN}/api/v0/group/by-id/${id}/markets`)
-  return await resp.json()
-}
-
-/* Example curl request:
-# Resolve a binary market
-$ curl https://manifold.markets/api/v0/market/{marketId}/resolve -X POST \
-    -H 'Content-Type: application/json' \
-    -H 'Authorization: Key {...}' \
-    --data-raw '{"outcome": "YES"}'
-*/
-async function resolveMarketById(
-  id: string,
-  outcome: 'YES' | 'NO' | 'MKT' | 'CANCEL'
-) {
-  const resp = await fetch(`https://${DOMAIN}/api/v0/market/${id}/resolve`, {
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-      Authorization: `Key ${API_KEY}`,
-    },
-    body: JSON.stringify({
-      outcome,
-    }),
-  })
-  return await resp.json()
-}
-
-async function main() {
-  const group = await getGroupBySlug(GROUP_SLUG)
-  const markets = await getMarketsByGroupId(group.id)
-
-  // Count up some metrics
-  console.log('Number of markets', markets.length)
-  console.log(
-    'Number of resolved markets',
-    markets.filter((m: any) => m.isResolved).length
-  )
-
-  // Resolve each market to NO
-  for (const market of markets) {
-    if (!market.isResolved) {
-      console.log(`Resolving market ${market.url} to NO`)
-      await resolveMarketById(market.id, 'NO')
-    }
-  }
-}
-main()
-
-export {}
--- a/functions/src/scripts/convert-tag-to-group.ts
+++ b/functions/src/scripts/convert-tag-to-group.ts
@ -42,7 +42,6 @@ const createGroup = async (
    totalContracts: contracts.length,
    totalMembers: 1,
    postIds: [],
-    pinnedItems: [],
  }
  await groupRef.create(group)
  // create a GroupMemberDoc for the creator
--- a/functions/src/scripts/denormalize.ts
+++ b/functions/src/scripts/denormalize.ts
@ -3,6 +3,7 @@

 import { DocumentSnapshot, Transaction } from 'firebase-admin/firestore'
 import { isEqual, zip } from 'lodash'
+import { UpdateSpec } from '../utils'

 export type DocumentValue = {
  doc: DocumentSnapshot
@ -53,7 +54,7 @@ export function getDiffUpdate(diff: DocumentDiff) {
  return {
    doc: diff.dest.doc.ref,
    fields: Object.fromEntries(zip(diff.dest.fields, diff.src.vals)),
-  }
+  } as UpdateSpec
 }

 export function applyDiff(transaction: Transaction, diff: DocumentDiff) {
--- a/functions/src/scripts/drizzle.ts
+++ b/functions/src/scripts/drizzle.ts
@ -1,8 +0,0 @@
-import { initAdmin } from './script-init'
-initAdmin()
-
-import { drizzleLiquidity } from '../drizzle-liquidity'
-
-if (require.main === module) {
-  drizzleLiquidity().then(() => process.exit())
-}
--- a/functions/src/scripts/resolve-markets-again.ts
+++ b/functions/src/scripts/resolve-markets-again.ts
@ -1,59 +0,0 @@
-import { initAdmin } from './script-init'
-initAdmin()
-
-import { zip } from 'lodash'
-import { filterDefined } from 'common/util/array'
-import { resolveMarket } from '../resolve-market'
-import { getContract, getUser } from '../utils'
-
-if (require.main === module) {
-  const contractIds = process.argv.slice(2)
-  if (contractIds.length === 0) {
-    throw new Error('No contract ids provided')
-  }
-  resolveMarketsAgain(contractIds).then(() => process.exit(0))
-}
-
-async function resolveMarketsAgain(contractIds: string[]) {
-  const maybeContracts = await Promise.all(contractIds.map(getContract))
-  if (maybeContracts.some((c) => !c)) {
-    throw new Error('Invalid contract id')
-  }
-  const contracts = filterDefined(maybeContracts)
-
-  const maybeCreators = await Promise.all(
-    contracts.map((c) => getUser(c.creatorId))
-  )
-  if (maybeCreators.some((c) => !c)) {
-    throw new Error('No creator found')
-  }
-  const creators = filterDefined(maybeCreators)
-
-  if (
-    !contracts.every((c) => c.resolution === 'YES' || c.resolution === 'NO')
-  ) {
-    throw new Error('Only YES or NO resolutions supported')
-  }
-
-  const resolutionParams = contracts.map((c) => ({
-    outcome: c.resolution as string,
-    value: undefined,
-    probabilityInt: undefined,
-    resolutions: undefined,
-  }))
-
-  const params = zip(contracts, creators, resolutionParams)
-
-  for (const [contract, creator, resolutionParams] of params) {
-    if (contract && creator && resolutionParams) {
-      console.log('Resolving', contract.question)
-      try {
-        await resolveMarket(contract, creator, resolutionParams)
-      } catch (e) {
-        console.log(e)
-      }
-    }
-  }
-
-  console.log(`Resolved all contracts.`)
-}
--- a/functions/src/scripts/update-contract-tags.ts
+++ b/functions/src/scripts/update-contract-tags.ts
@ -0,0 +1,46 @@
+import * as admin from 'firebase-admin'
+import { uniq } from 'lodash'
+
+import { initAdmin } from './script-init'
+initAdmin()
+
+import { Contract } from '../../../common/contract'
+import { parseTags } from '../../../common/util/parse'
+import { getValues } from '../utils'
+
+async function updateContractTags() {
+  const firestore = admin.firestore()
+  console.log('Updating contracts tags')
+
+  const contracts = await getValues<Contract>(firestore.collection('contracts'))
+
+  console.log('Loaded', contracts.length, 'contracts')
+
+  for (const contract of contracts) {
+    const contractRef = firestore.doc(`contracts/${contract.id}`)
+
+    const tags = uniq([
+      ...parseTags(contract.question + contract.description),
+      ...(contract.tags ?? []),
+    ])
+    const lowercaseTags = tags.map((tag) => tag.toLowerCase())
+
+    console.log(
+      'Updating tags',
+      contract.slug,
+      'from',
+      contract.tags,
+      'to',
+      tags
+    )
+
+    await contractRef.update({
+      tags,
+      lowercaseTags,
+    } as Partial<Contract>)
+  }
+}
+
+if (require.main === module) {
+  updateContractTags().then(() => process.exit())
+}
--- a/functions/src/scripts/update-groups.ts
+++ b/functions/src/scripts/update-groups.ts
@ -89,20 +89,17 @@ const getGroups = async () => {
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 async function updateTotalContractsAndMembers() {
  const groups = await getGroups()
-  await Promise.all(
-    groups.map(async (group) => {
-      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,
-      })
+  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,
    })
-  )
+  }
 }
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 async function removeUnusedMemberAndContractFields() {
@ -120,6 +117,6 @@ async function removeUnusedMemberAndContractFields() {
 if (require.main === module) {
  initAdmin()
  // convertGroupFieldsToGroupDocuments()
-  updateTotalContractsAndMembers()
-  // removeUnusedMemberAndContractFields()
+  // updateTotalContractsAndMembers()
+  removeUnusedMemberAndContractFields()
 }
--- a/functions/src/sell-shares.ts
+++ b/functions/src/sell-shares.ts
@ -1,7 +1,6 @@
 import { mapValues, groupBy, sumBy, uniq } from 'lodash'
 import * as admin from 'firebase-admin'
 import { z } from 'zod'
-import { FieldValue } from 'firebase-admin/firestore'

 import { APIError, newEndpoint, validate } from './api'
 import { Contract, CPMM_MIN_POOL_QTY } from '../../common/contract'
@ -11,7 +10,8 @@ import { addObjects, removeUndefinedProps } from '../../common/util/object'
 import { log } from './utils'
 import { Bet } from '../../common/bet'
 import { floatingEqual, floatingLesserEqual } from '../../common/util/math'
-import { getUnfilledBetsAndUserBalances, updateMakers } from './place-bet'
+import { getUnfilledBetsQuery, updateMakers } from './place-bet'
+import { FieldValue } from 'firebase-admin/firestore'
 import { redeemShares } from './redeem-shares'
 import { removeUserFromContractFollowers } from './follow-market'

@ -29,18 +29,16 @@ export const sellshares = newEndpoint({}, async (req, auth) => {
    const contractDoc = firestore.doc(`contracts/${contractId}`)
    const userDoc = firestore.doc(`users/${auth.uid}`)
    const betsQ = contractDoc.collection('bets').where('userId', '==', auth.uid)
-    const [
-      [contractSnap, userSnap],
-      userBetsSnap,
-      { unfilledBets, balanceByUserId },
-    ] = await Promise.all([
-      transaction.getAll(contractDoc, userDoc),
-      transaction.get(betsQ),
-      getUnfilledBetsAndUserBalances(transaction, contractDoc),
-    ])
+    const [[contractSnap, userSnap], userBetsSnap, unfilledBetsSnap] =
+      await Promise.all([
+        transaction.getAll(contractDoc, userDoc),
+        transaction.get(betsQ),
+        transaction.get(getUnfilledBetsQuery(contractDoc)),
+      ])
    if (!contractSnap.exists) throw new APIError(400, 'Contract not found.')
    if (!userSnap.exists) throw new APIError(400, 'User not found.')
    const userBets = userBetsSnap.docs.map((doc) => doc.data() as Bet)
+    const unfilledBets = unfilledBetsSnap.docs.map((doc) => doc.data())

    const contract = contractSnap.data() as Contract
    const user = userSnap.data() as User
@ -88,15 +86,13 @@ export const sellshares = newEndpoint({}, async (req, auth) => {
    let loanPaid = saleFrac * loanAmount
    if (!isFinite(loanPaid)) loanPaid = 0

-    const { newBet, newPool, newP, fees, makers, ordersToCancel } =
-      getCpmmSellBetInfo(
-        soldShares,
-        chosenOutcome,
-        contract,
-        unfilledBets,
-        balanceByUserId,
-        loanPaid
-      )
+    const { newBet, newPool, newP, fees, makers } = getCpmmSellBetInfo(
+      soldShares,
+      chosenOutcome,
+      contract,
+      unfilledBets,
+      loanPaid
+    )

    if (
      !newP ||
@ -131,12 +127,6 @@ export const sellshares = newEndpoint({}, async (req, auth) => {
      })
    )

-    for (const bet of ordersToCancel) {
-      transaction.update(contractDoc.collection('bets').doc(bet.id), {
-        isCancelled: true,
-      })
-    }
-
    return { newBet, makers, maxShares, soldShares }
  })

--- a/functions/src/serve.ts
+++ b/functions/src/serve.ts
@ -19,7 +19,8 @@ import { sellbet } from './sell-bet'
 import { sellshares } from './sell-shares'
 import { claimmanalink } from './claim-manalink'
 import { createmarket } from './create-market'
-import { createcomment } from './create-comment'
+import { addliquidity } from './add-liquidity'
+import { withdrawliquidity } from './withdraw-liquidity'
 import { creategroup } from './create-group'
 import { resolvemarket } from './resolve-market'
 import { unsubscribe } from './unsubscribe'
@ -28,7 +29,6 @@ import { getcurrentuser } from './get-current-user'
 import { createpost } from './create-post'
 import { savetwitchcredentials } from './save-twitch-credentials'
 import { testscheduledfunction } from './test-scheduled-function'
-import { addcommentbounty, awardcommentbounty } from './update-comment-bounty'

 type Middleware = (req: Request, res: Response, next: NextFunction) => void
 const app = express()
@ -54,15 +54,14 @@ addJsonEndpointRoute('/transact', transact)
 addJsonEndpointRoute('/changeuserinfo', changeuserinfo)
 addJsonEndpointRoute('/createuser', createuser)
 addJsonEndpointRoute('/createanswer', createanswer)
-addJsonEndpointRoute('/createcomment', createcomment)
 addJsonEndpointRoute('/placebet', placebet)
 addJsonEndpointRoute('/cancelbet', cancelbet)
 addJsonEndpointRoute('/sellbet', sellbet)
 addJsonEndpointRoute('/sellshares', sellshares)
 addJsonEndpointRoute('/claimmanalink', claimmanalink)
 addJsonEndpointRoute('/createmarket', createmarket)
-addJsonEndpointRoute('/addCommentBounty', addcommentbounty)
-addJsonEndpointRoute('/awardCommentBounty', awardcommentbounty)
+addJsonEndpointRoute('/addliquidity', addliquidity)
+addJsonEndpointRoute('/withdrawliquidity', withdrawliquidity)
 addJsonEndpointRoute('/creategroup', creategroup)
 addJsonEndpointRoute('/resolvemarket', resolvemarket)
 addJsonEndpointRoute('/unsubscribe', unsubscribe)
--- a/functions/src/test-scheduled-function.ts
+++ b/functions/src/test-scheduled-function.ts
@ -1,6 +1,6 @@
 import { APIError, newEndpoint } from './api'
+import { sendPortfolioUpdateEmailsToAllUsers } from './weekly-portfolio-emails'
 import { isProd } from './utils'
-import { sendMarketCloseEmails } from 'functions/src/market-close-notifications'

 // Function for testing scheduled functions locally
 export const testscheduledfunction = newEndpoint(
@ -10,7 +10,7 @@ export const testscheduledfunction = newEndpoint(
      throw new APIError(400, 'This function is only available in dev mode')

    // Replace your function here
-    await sendMarketCloseEmails()
+    await sendPortfolioUpdateEmailsToAllUsers()

    return { success: true }
  }
--- a/functions/src/unsubscribe.ts
+++ b/functions/src/unsubscribe.ts
@ -4,7 +4,6 @@ import { getPrivateUser } from './utils'
 import { PrivateUser } from '../../common/user'
 import { NOTIFICATION_DESCRIPTIONS } from '../../common/notification'
 import { notification_preference } from '../../common/user-notification-preferences'
-import { getFunctionUrl } from '../../common/api'

 export const unsubscribe: EndpointDefinition = {
  opts: { method: 'GET', minInstances: 1 },
@ -21,8 +20,6 @@ export const unsubscribe: EndpointDefinition = {
      res.status(400).send('Invalid subscription type parameter.')
      return
    }
-    const optOutAllType: notification_preference = 'opt_out_all'
-    const wantsToOptOutAll = notificationSubscriptionType === optOutAllType

    const user = await getPrivateUser(id)

@ -34,36 +31,28 @@ export const unsubscribe: EndpointDefinition = {
    const previousDestinations =
      user.notificationPreferences[notificationSubscriptionType]

-    let newDestinations = previousDestinations
-    if (wantsToOptOutAll) newDestinations.push('email')
-    else
-      newDestinations = previousDestinations.filter(
-        (destination) => destination !== 'email'
-      )
-
    console.log(previousDestinations)
    const { email } = user

    const update: Partial<PrivateUser> = {
      notificationPreferences: {
        ...user.notificationPreferences,
-        [notificationSubscriptionType]: newDestinations,
+        [notificationSubscriptionType]: previousDestinations.filter(
+          (destination) => destination !== 'email'
+        ),
      },
    }

    await firestore.collection('private-users').doc(id).update(update)
-    const unsubscribeEndpoint = getFunctionUrl('unsubscribe')

-    const optOutAllUrl = `${unsubscribeEndpoint}?id=${id}&type=${optOutAllType}`
-    if (wantsToOptOutAll) {
-      res.send(
-        `
-     <!DOCTYPE html>
+    res.send(
+      `
+<!DOCTYPE html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml"
      xmlns:o="urn:schemas-microsoft-com:office:office">

 <head>
-  <title>Unsubscribe from Manifold Markets emails</title>
+  <title>Manifold Markets 7th Day Anniversary Gift!</title>
  <!--[if !mso]><!-->
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <!--<![endif]-->
@ -174,6 +163,19 @@ export const unsubscribe: EndpointDefinition = {
                  </a>
                </td>
              </tr>
+              <tr>
+                <td align="left"
+                    style="font-size:0px;padding:10px 25px;padding-top:0px;padding-bottom:0px;word-break:break-word;">
+                  <div
+                    style="font-family:Arial, sans-serif;font-size:18px;letter-spacing:normal;line-height:1;text-align:left;color:#000000;">
+                    <p class="text-build-content"
+                       style="line-height: 24px; margin: 10px 0; margin-top: 10px; margin-bottom: 10px;"
+                       data-testid="4XoHRGw1Y"><span
+                      style="color:#000000;font-family:Arial, Helvetica, sans-serif;font-size:18px;">
+                              Hello!</span></p>
+                  </div>
+                </td>
+              </tr>
              <tr>
                <td align="left"
                    style="font-size:0px;padding:10px 25px;padding-top:0px;padding-bottom:0px;word-break:break-word;">
@ -184,9 +186,20 @@ export const unsubscribe: EndpointDefinition = {
                       data-testid="4XoHRGw1Y">
                       <span
                         style="color:#000000;font-family:Arial, Helvetica, sans-serif;font-size:18px;">
-                      ${email} has opted out of receiving unnecessary email notifications
+                      ${email} has been unsubscribed from email notifications related to:
                    </span>
+                      <br/>
+                      <br/>

+                      <span style="font-weight: bold; color:#000000;font-family:Arial, Helvetica, sans-serif;font-size:18px;">${NOTIFICATION_DESCRIPTIONS[notificationSubscriptionType].detailed}.</span>
+                    </p>
+                    <br/>
+                    <br/>
+                    <br/>
+                    <span>Click
+                    <a href='https://manifold.markets/notifications?tab=settings'>here</a>
+                       to manage the rest of your notification settings.
+                      </span>
                  </div>

                </td>
@ -206,193 +219,9 @@ export const unsubscribe: EndpointDefinition = {
  </div>
 </div>
 </body>
-</html>`
-      )
-    } else {
-      res.send(
-        `
-<!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml"
-      xmlns:o="urn:schemas-microsoft-com:office:office">
-
-<head>
-  <title>Unsubscribe from Manifold Markets emails</title>
-    <!--[if !mso]><!-->
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <!--<![endif]-->
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <style type="text/css">
-        #outlook a {
-            padding: 0;
-        }
-
-        body {
-            margin: 0;
-            padding: 0;
-            -webkit-text-size-adjust: 100%;
-            -ms-text-size-adjust: 100%;
-        }
-
-        table,
-        td {
-            border-collapse: collapse;
-            mso-table-lspace: 0pt;
-            mso-table-rspace: 0pt;
-        }
-
-        img {
-            border: 0;
-            height: auto;
-            line-height: 100%;
-            outline: none;
-            text-decoration: none;
-            -ms-interpolation-mode: bicubic;
-        }
-
-        p {
-            display: block;
-            margin: 13px 0;
-        }
-    </style>
-    <!--[if mso]>
-    <noscript>
-        <xml>
-            <o:OfficeDocumentSettings>
-                <o:AllowPNG/>
-                <o:PixelsPerInch>96</o:PixelsPerInch>
-            </o:OfficeDocumentSettings>
-        </xml>
-    </noscript>
-    <![endif]-->
-    <!--[if lte mso 11]>
-    <style type="text/css">
-        .mj-outlook-group-fix { width:100% !important; }
-    </style>
-    <![endif]-->
-    <style type="text/css">
-        @media only screen and (min-width:480px) {
-            .mj-column-per-100 {
-                width: 100% !important;
-                max-width: 100%;
-            }
-        }
-    </style>
-    <style media="screen and (min-width:480px)">
-        .moz-text-html .mj-column-per-100 {
-            width: 100% !important;
-            max-width: 100%;
-        }
-    </style>
-    <style type="text/css">
-        [owa] .mj-column-per-100 {
-            width: 100% !important;
-            max-width: 100%;
-        }
-    </style>
-    <style type="text/css">
-        @media only screen and (max-width:480px) {
-            table.mj-full-width-mobile {
-                width: 100% !important;
-            }
-
-            td.mj-full-width-mobile {
-                width: auto !important;
-            }
-        }
-    </style>
-</head>
-<body style="word-spacing:normal;background-color:#F4F4F4;">
-<div style="background-color:#F4F4F4;">
-    <!--[if mso | IE]><table align="center" border="0" cellpadding="0" cellspacing="0" class="" role="presentation" style="width:600px;" width="600" bgcolor="#ffffff" ><tr><td style="line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-->
-    <div style="background:#ffffff;background-color:#ffffff;margin:0px auto;max-width:600px;">
-        <table align="center" border="0" cellpadding="0" cellspacing="0" role="presentation"
-               style="background:#ffffff;background-color:#ffffff;width:100%;">
-            <tbody>
-            <tr>
-                <td
-                  style="direction:ltr;font-size:0px;padding:0px 0px 0px 0px;padding-bottom:0px;padding-left:0px;padding-right:0px;padding-top:0px;text-align:center;">
-                    <!--[if mso | IE]><table role="presentation" border="0" cellpadding="0" cellspacing="0"><tr><td class="" style="vertical-align:top;width:600px;" ><![endif]-->
-                    <div class="mj-column-per-100 mj-outlook-group-fix"
-                         style="font-size:0px;text-align:left;direction:ltr;display:inline-block;vertical-align:top;width:100%;">
-                        <table border="0" cellpadding="0" cellspacing="0" role="presentation" style="vertical-align:top;"
-                               width="100%">
-                            <tbody>
-                            <tr>
-                                <td style="width:550px;">
-                                    <a href="https://manifold.markets" target="_blank">
-                                        <img alt="banner logo" height="auto" src="https://manifold.markets/logo-banner.png"
-                                             style="border:none;display:block;outline:none;text-decoration:none;height:auto;width:100%;font-size:13px;"
-                                             title="" width="550">
-                                    </a>
-                                </td>
-                            </tr>
-                            <tr>
-                                <td align="left"
-                                    style="font-size:0px;padding:10px 25px;padding-top:0px;padding-bottom:0px;word-break:break-word;">
-                                    <div
-                                      style="font-family:Arial, sans-serif;font-size:18px;letter-spacing:normal;line-height:1;text-align:left;color:#000000;">
-                                        <p class="text-build-content"
-                                           style="line-height: 24px; margin: 10px 0; margin-top: 10px; margin-bottom: 10px;"
-                                           data-testid="4XoHRGw1Y"><span
-                                          style="color:#000000;font-family:Arial, Helvetica, sans-serif;font-size:18px;">
-                              Hello!</span></p>
-                                    </div>
-                                </td>
-                            </tr>
-                            <tr>
-                                <td align="left"
-                                    style="font-size:0px;padding:10px 25px;padding-top:0px;padding-bottom:0px;word-break:break-word;">
-                                    <div
-                                      style="font-family:Arial, sans-serif;font-size:18px;letter-spacing:normal;line-height:1;text-align:left;color:#000000;">
-                                        <p class="text-build-content"
-                                           style="line-height: 24px; margin: 10px 0; margin-top: 10px; margin-bottom: 10px;"
-                                           data-testid="4XoHRGw1Y">
-                       <span
-                         style="color:#000000;font-family:Arial, Helvetica, sans-serif;font-size:18px;">
-                      ${email} has been unsubscribed from email notifications related to:
-                    </span>
-                                            <br/>
-                                            <br/>
-
-                                            <span style="font-weight: bold; color:#000000;font-family:Arial, Helvetica, sans-serif;font-size:18px;">${NOTIFICATION_DESCRIPTIONS[notificationSubscriptionType].detailed}.</span>
-                                        </p>
-                                        <br/>
-                                        <br/>
-                                        <br/>
-                    <span>Click
-                    <a href=${optOutAllUrl}>here</a>
-                       to unsubscribe from all unnecessary emails.
-                      </span>
-                                        <br/>
-                                        <br/>
-                    <span>Click
-                    <a href='https://manifold.markets/notifications?tab=settings'>here</a>
-                       to manage the rest of your notification settings.
-                      </span>
-                                    </div>
-
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <p></p>
-                                </td>
-                            </tr>
-                            </tbody>
-                        </table>
-                    </div>
-                </td>
-            </tr>
-            </tbody>
-        </table>
-    </div>
-</div>
-</body>
 </html>
 `
-      )
-    }
+    )
  },
 }

--- a/functions/src/update-comment-bounty.ts
+++ b/functions/src/update-comment-bounty.ts
@ -1,162 +0,0 @@
-import * as admin from 'firebase-admin'
-import { z } from 'zod'
-
-import { Contract } from '../../common/contract'
-import { User } from '../../common/user'
-import { removeUndefinedProps } from '../../common/util/object'
-import { APIError, newEndpoint, validate } from './api'
-import {
-  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-  HOUSE_LIQUIDITY_PROVIDER_ID,
-} from '../../common/antes'
-import { isProd } from './utils'
-import {
-  CommentBountyDepositTxn,
-  CommentBountyWithdrawalTxn,
-} from '../../common/txn'
-import { runTxn } from './transact'
-import { Comment } from '../../common/comment'
-import { createBountyNotification } from './create-notification'
-
-const bodySchema = z.object({
-  contractId: z.string(),
-  amount: z.number().gt(0),
-})
-const awardBodySchema = z.object({
-  contractId: z.string(),
-  commentId: z.string(),
-  amount: z.number().gt(0),
-})
-
-export const addcommentbounty = newEndpoint({}, async (req, auth) => {
-  const { amount, contractId } = validate(bodySchema, req.body)
-
-  if (!isFinite(amount)) throw new APIError(400, 'Invalid amount')
-
-  // run as transaction to prevent race conditions
-  return await firestore.runTransaction(async (transaction) => {
-    const userDoc = firestore.doc(`users/${auth.uid}`)
-    const userSnap = await transaction.get(userDoc)
-    if (!userSnap.exists) throw new APIError(400, 'User not found')
-    const user = userSnap.data() as User
-
-    const contractDoc = firestore.doc(`contracts/${contractId}`)
-    const contractSnap = await transaction.get(contractDoc)
-    if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
-    const contract = contractSnap.data() as Contract
-
-    if (user.balance < amount)
-      throw new APIError(400, 'Insufficient user balance')
-
-    const newCommentBountyTxn = {
-      fromId: user.id,
-      fromType: 'USER',
-      toId: isProd()
-        ? HOUSE_LIQUIDITY_PROVIDER_ID
-        : DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-      toType: 'BANK',
-      amount,
-      token: 'M$',
-      category: 'COMMENT_BOUNTY',
-      data: {
-        contractId,
-      },
-      description: `Deposit M$${amount} from ${user.id} for comment bounty for contract ${contractId}`,
-    } as CommentBountyDepositTxn
-
-    const result = await runTxn(transaction, newCommentBountyTxn)
-
-    transaction.update(
-      contractDoc,
-      removeUndefinedProps({
-        openCommentBounties: (contract.openCommentBounties ?? 0) + amount,
-      })
-    )
-
-    return result
-  })
-})
-export const awardcommentbounty = newEndpoint({}, async (req, auth) => {
-  const { amount, commentId, contractId } = validate(awardBodySchema, req.body)
-
-  if (!isFinite(amount)) throw new APIError(400, 'Invalid amount')
-
-  // run as transaction to prevent race conditions
-  const res = await firestore.runTransaction(async (transaction) => {
-    const userDoc = firestore.doc(`users/${auth.uid}`)
-    const userSnap = await transaction.get(userDoc)
-    if (!userSnap.exists) throw new APIError(400, 'User not found')
-    const user = userSnap.data() as User
-
-    const contractDoc = firestore.doc(`contracts/${contractId}`)
-    const contractSnap = await transaction.get(contractDoc)
-    if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
-    const contract = contractSnap.data() as Contract
-
-    if (user.id !== contract.creatorId)
-      throw new APIError(
-        400,
-        'Only contract creator can award comment bounties'
-      )
-
-    const commentDoc = firestore.doc(
-      `contracts/${contractId}/comments/${commentId}`
-    )
-    const commentSnap = await transaction.get(commentDoc)
-    if (!commentSnap.exists) throw new APIError(400, 'Invalid comment')
-
-    const comment = commentSnap.data() as Comment
-    const amountAvailable = contract.openCommentBounties ?? 0
-    if (amountAvailable < amount)
-      throw new APIError(400, 'Insufficient open bounty balance')
-
-    const newCommentBountyTxn = {
-      fromId: isProd()
-        ? HOUSE_LIQUIDITY_PROVIDER_ID
-        : DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-      fromType: 'BANK',
-      toId: comment.userId,
-      toType: 'USER',
-      amount,
-      token: 'M$',
-      category: 'COMMENT_BOUNTY',
-      data: {
-        contractId,
-        commentId,
-      },
-      description: `Withdrawal M$${amount} from BANK for comment ${comment.id} bounty for contract ${contractId}`,
-    } as CommentBountyWithdrawalTxn
-
-    const result = await runTxn(transaction, newCommentBountyTxn)
-
-    await transaction.update(
-      contractDoc,
-      removeUndefinedProps({
-        openCommentBounties: amountAvailable - amount,
-      })
-    )
-    await transaction.update(
-      commentDoc,
-      removeUndefinedProps({
-        bountiesAwarded: (comment.bountiesAwarded ?? 0) + amount,
-      })
-    )
-
-    return { ...result, comment, contract, user }
-  })
-  if (res.txn?.id) {
-    const { comment, contract, user } = res
-    await createBountyNotification(
-      user,
-      comment.userId,
-      amount,
-      res.txn.id,
-      contract,
-      comment.id
-    )
-  }
-
-  return res
-})
-
-const firestore = admin.firestore()
--- a/functions/src/update-metrics.ts
+++ b/functions/src/update-metrics.ts
@ -1,11 +1,10 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
-import { groupBy, keyBy, sortBy } from 'lodash'
-import fetch from 'node-fetch'
-
+import { groupBy, isEmpty, keyBy, last, sortBy } from 'lodash'
 import { getValues, log, logMemory, writeAsync } from './utils'
 import { Bet } from '../../common/bet'
 import { Contract, CPMM } from '../../common/contract'
+
 import { PortfolioMetrics, User } from '../../common/user'
 import { DAY_MS } from '../../common/util/time'
 import { getLoanUpdates } from '../../common/loans'
@ -15,44 +14,18 @@ import {
  calculateNewPortfolioMetrics,
  calculateNewProfit,
  calculateProbChanges,
-  calculateMetricsByContract,
-  computeElasticity,
  computeVolume,
 } from '../../common/calculate-metrics'
 import { getProbability } from '../../common/calculate'
 import { Group } from '../../common/group'
 import { batchedWaitAll } from '../../common/util/promise'
-import { newEndpointNoAuth } from './api'
-import { getFunctionUrl } from '../../common/api'
-import { filterDefined } from '../../common/util/array'

 const firestore = admin.firestore()
-export const scheduleUpdateMetrics = functions.pubsub
-  .schedule('every 15 minutes')
-  .onRun(async () => {
-    const url = getFunctionUrl('updatemetrics')
-    console.log('Scheduling update metrics', url)
-    const response = await fetch(url, {
-      headers: {
-        'Content-Type': 'application/json',
-      },
-      method: 'POST',
-      body: JSON.stringify({}),
-    })

-    const json = await response.json()
-
-    if (response.ok) console.log(json)
-    else console.error(json)
-  })
-
-export const updatemetrics = newEndpointNoAuth(
-  { timeoutSeconds: 2000, memory: '8GiB', minInstances: 0 },
-  async (_req) => {
-    await updateMetricsCore()
-    return { success: true }
-  }
-)
+export const updateMetrics = functions
+  .runWith({ memory: '8GB', timeoutSeconds: 540 })
+  .pubsub.schedule('every 15 minutes')
+  .onRun(updateMetricsCore)

 export async function updateMetricsCore() {
  console.log('Loading users')
@ -62,7 +35,11 @@ export async function updateMetricsCore() {
  const contracts = await getValues<Contract>(firestore.collection('contracts'))

  console.log('Loading portfolio history')
-  const userPortfolioHistory = await loadPortfolioHistory(users)
+  const allPortfolioHistories = await getValues<PortfolioMetrics>(
+    firestore
+      .collectionGroup('portfolioHistory')
+      .where('timestamp', '>', Date.now() - 31 * DAY_MS) // so it includes just over a month ago
+  )

  console.log('Loading groups')
  const groups = await getValues<Group>(firestore.collection('groups'))
@ -126,7 +103,6 @@ export async function updateMetricsCore() {
        fields: {
          volume24Hours: computeVolume(contractBets, now - DAY_MS),
          volume7Days: computeVolume(contractBets, now - DAY_MS * 7),
-          elasticity: computeElasticity(contractBets, contract),
          ...cpmmFields,
        },
      }
@ -139,10 +115,11 @@ export async function updateMetricsCore() {
  )
  const contractsByUser = groupBy(contracts, (contract) => contract.creatorId)
  const betsByUser = groupBy(bets, (bet) => bet.userId)
+  const portfolioHistoryByUser = groupBy(allPortfolioHistories, (p) => p.userId)

  const userMetrics = users.map((user) => {
    const currentBets = betsByUser[user.id] ?? []
-    const portfolioHistory = userPortfolioHistory[user.id] ?? []
+    const portfolioHistory = portfolioHistoryByUser[user.id] ?? []
    const userContracts = contractsByUser[user.id] ?? []
    const newCreatorVolume = calculateCreatorVolume(userContracts)
    const newPortfolio = calculateNewPortfolioMetrics(
@ -150,51 +127,21 @@ export async function updateMetricsCore() {
      contractsById,
      currentBets
    )
-    const currPortfolio = portfolioHistory.current
+    const lastPortfolio = last(portfolioHistory)
    const didPortfolioChange =
-      currPortfolio === undefined ||
-      currPortfolio.balance !== newPortfolio.balance ||
-      currPortfolio.totalDeposits !== newPortfolio.totalDeposits ||
-      currPortfolio.investmentValue !== newPortfolio.investmentValue
+      lastPortfolio === undefined ||
+      lastPortfolio.balance !== newPortfolio.balance ||
+      lastPortfolio.totalDeposits !== newPortfolio.totalDeposits ||
+      lastPortfolio.investmentValue !== newPortfolio.investmentValue

    const newProfit = calculateNewProfit(portfolioHistory, newPortfolio)

-    const metricsByContract = calculateMetricsByContract(
-      currentBets,
-      contractsById
-    )
-
-    const contractRatios = userContracts
-      .map((contract) => {
-        if (
-          !contract.flaggedByUsernames ||
-          contract.flaggedByUsernames?.length === 0
-        ) {
-          return 0
-        }
-        const contractRatio =
-          contract.flaggedByUsernames.length / (contract.uniqueBettorCount || 1)
-
-        return contractRatio
-      })
-      .filter((ratio) => ratio > 0)
-    const badResolutions = contractRatios.filter(
-      (ratio) => ratio > BAD_RESOLUTION_THRESHOLD
-    )
-    let newFractionResolvedCorrectly = 1
-    if (userContracts.length > 0) {
-      newFractionResolvedCorrectly =
-        (userContracts.length - badResolutions.length) / userContracts.length
-    }
-
    return {
      user,
      newCreatorVolume,
      newPortfolio,
      newProfit,
      didPortfolioChange,
-      newFractionResolvedCorrectly,
-      metricsByContract,
    }
  })

@ -210,61 +157,61 @@ export async function updateMetricsCore() {
  const nextLoanByUser = keyBy(userPayouts, (payout) => payout.user.id)

  const userUpdates = userMetrics.map(
-    ({ user, newCreatorVolume, newProfit, newFractionResolvedCorrectly }) => {
+    ({
+      user,
+      newCreatorVolume,
+      newPortfolio,
+      newProfit,
+      didPortfolioChange,
+    }) => {
      const nextLoanCached = nextLoanByUser[user.id]?.payout ?? 0
      return {
-        doc: firestore.collection('users').doc(user.id),
-        fields: {
-          creatorVolumeCached: newCreatorVolume,
-          profitCached: newProfit,
-          nextLoanCached,
-          fractionResolvedCorrectly: newFractionResolvedCorrectly,
+        fieldUpdates: {
+          doc: firestore.collection('users').doc(user.id),
+          fields: {
+            creatorVolumeCached: newCreatorVolume,
+            profitCached: newProfit,
+            nextLoanCached,
+          },
+        },
+
+        subcollectionUpdates: {
+          doc: firestore
+            .collection('users')
+            .doc(user.id)
+            .collection('portfolioHistory')
+            .doc(),
+          fields: didPortfolioChange ? newPortfolio : {},
        },
      }
    }
  )
-  await writeAsync(firestore, userUpdates)
-
-  const portfolioHistoryUpdates = filterDefined(
-    userMetrics.map(({ user, newPortfolio, didPortfolioChange }) => {
-      return didPortfolioChange
-        ? {
-            doc: firestore
-              .collection('users')
-              .doc(user.id)
-              .collection('portfolioHistory')
-              .doc(),
-            fields: newPortfolio,
-          }
-        : null
-    })
+  await writeAsync(
+    firestore,
+    userUpdates.map((u) => u.fieldUpdates)
  )
-  await writeAsync(firestore, portfolioHistoryUpdates, 'set')
-
-  const contractMetricsUpdates = userMetrics.flatMap(
-    ({ user, metricsByContract }) => {
-      const collection = firestore
-        .collection('users')
-        .doc(user.id)
-        .collection('contract-metrics')
-      return metricsByContract.map((metrics) => ({
-        doc: collection.doc(metrics.contractId),
-        fields: metrics,
-      }))
-    }
+  await writeAsync(
+    firestore,
+    userUpdates
+      .filter((u) => !isEmpty(u.subcollectionUpdates.fields))
+      .map((u) => u.subcollectionUpdates),
+    'set'
  )
-
-  await writeAsync(firestore, contractMetricsUpdates, 'set')
-
  log(`Updated metrics for ${users.length} users.`)

  try {
    const groupUpdates = groups.map((group, index) => {
      const groupContractIds = contractsByGroup[index] as GroupContractDoc[]
-      const groupContracts = filterDefined(
-        groupContractIds.map((e) => contractsById[e.contractId])
-      )
-      const bets = groupContracts.map((e) => betsByContract[e.id] ?? [])
+      const groupContracts = groupContractIds
+        .map((e) => contractsById[e.contractId])
+        .filter((e) => e !== undefined) as Contract[]
+      const bets = groupContracts.map((e) => {
+        if (e != null && e.id in betsByContract) {
+          return betsByContract[e.id] ?? []
+        } else {
+          return []
+        }
+      })

      const creatorScores = scoreCreators(groupContracts)
      const traderScores = scoreTraders(groupContracts, bets)
@ -296,46 +243,3 @@ const topUserScores = (scores: { [userId: string]: number }) => {
 }

 type GroupContractDoc = { contractId: string; createdTime: number }
-
-const BAD_RESOLUTION_THRESHOLD = 0.1
-
-const loadPortfolioHistory = async (users: User[]) => {
-  const now = Date.now()
-  const userPortfolioHistory = await batchedWaitAll(
-    users.map((user) => async () => {
-      const query = firestore
-        .collection('users')
-        .doc(user.id)
-        .collection('portfolioHistory')
-        .orderBy('timestamp', 'desc')
-        .limit(1)
-
-      const portfolioMetrics = await Promise.all([
-        getValues<PortfolioMetrics>(query),
-        getValues<PortfolioMetrics>(
-          query.where('timestamp', '<', now - DAY_MS)
-        ),
-        getValues<PortfolioMetrics>(
-          query.where('timestamp', '<', now - 7 * DAY_MS)
-        ),
-        getValues<PortfolioMetrics>(
-          query.where('timestamp', '<', now - 30 * DAY_MS)
-        ),
-      ])
-      const [current, day, week, month] = portfolioMetrics.map(
-        (p) => p[0] as PortfolioMetrics | undefined
-      )
-
-      return {
-        userId: user.id,
-        current,
-        day,
-        week,
-        month,
-      }
-    }),
-    100
-  )
-
-  return keyBy(userPortfolioHistory, (p) => p.userId)
-}
--- a/functions/src/update-stats.ts
+++ b/functions/src/update-stats.ts
@ -18,7 +18,7 @@ import { average } from '../../common/util/math'

 const firestore = admin.firestore()

-const numberOfDays = 180
+const numberOfDays = 90

 const getBetsQuery = (startTime: number, endTime: number) =>
  firestore
--- a/functions/src/utils.ts
+++ b/functions/src/utils.ts
@ -1,8 +1,7 @@
 import * as admin from 'firebase-admin'
 import fetch from 'node-fetch'
-import { FieldValue, Transaction } from 'firebase-admin/firestore'
-import { chunk, groupBy, mapValues, sumBy } from 'lodash'

+import { chunk } from 'lodash'
 import { Contract } from '../../common/contract'
 import { PrivateUser, User } from '../../common/user'
 import { Group } from '../../common/group'
@ -48,7 +47,7 @@ export const writeAsync = async (
    const batch = db.batch()
    for (const { doc, fields } of chunks[i]) {
      if (operationType === 'update') {
-        batch.update(doc, fields as any)
+        batch.update(doc, fields)
      } else {
        batch.set(doc, fields)
      }
@ -113,12 +112,6 @@ export const getAllPrivateUsers = async () => {
  return users.docs.map((doc) => doc.data() as PrivateUser)
 }

-export const getAllUsers = async () => {
-  const firestore = admin.firestore()
-  const users = await firestore.collection('users').get()
-  return users.docs.map((doc) => doc.data() as User)
-}
-
 export const getUserByUsername = async (username: string) => {
  const firestore = admin.firestore()
  const snap = await firestore
@ -129,29 +122,38 @@ export const getUserByUsername = async (username: string) => {
  return snap.empty ? undefined : (snap.docs[0].data() as User)
 }

-const firestore = admin.firestore()
-
 const updateUserBalance = (
-  transaction: Transaction,
  userId: string,
-  balanceDelta: number,
-  depositDelta: number
+  delta: number,
+  isDeposit = false
 ) => {
-  const userDoc = firestore.doc(`users/${userId}`)
+  const firestore = admin.firestore()
+  return firestore.runTransaction(async (transaction) => {
+    const userDoc = firestore.doc(`users/${userId}`)
+    const userSnap = await transaction.get(userDoc)
+    if (!userSnap.exists) return
+    const user = userSnap.data() as User

-  // Note: Balance is allowed to go negative.
-  transaction.update(userDoc, {
-    balance: FieldValue.increment(balanceDelta),
-    totalDeposits: FieldValue.increment(depositDelta),
+    const newUserBalance = user.balance + delta
+
+    // if (newUserBalance < 0)
+    //   throw new Error(
+    //     `User (${userId}) balance cannot be negative: ${newUserBalance}`
+    //   )
+
+    if (isDeposit) {
+      const newTotalDeposits = (user.totalDeposits || 0) + delta
+      transaction.update(userDoc, { totalDeposits: newTotalDeposits })
+    }
+
+    transaction.update(userDoc, { balance: newUserBalance })
  })
 }

 export const payUser = (userId: string, payout: number, isDeposit = false) => {
  if (!isFinite(payout)) throw new Error('Payout is not finite: ' + payout)

-  return firestore.runTransaction(async (transaction) => {
-    updateUserBalance(transaction, userId, payout, isDeposit ? payout : 0)
-  })
+  return updateUserBalance(userId, payout, isDeposit)
 }

 export const chargeUser = (
@ -162,67 +164,7 @@ export const chargeUser = (
  if (!isFinite(charge) || charge <= 0)
    throw new Error('User charge is not positive: ' + charge)

-  return payUser(userId, -charge, isAnte)
-}
-
-const checkAndMergePayouts = (
-  payouts: {
-    userId: string
-    payout: number
-    deposit?: number
-  }[]
-) => {
-  for (const { payout, deposit } of payouts) {
-    if (!isFinite(payout)) {
-      throw new Error('Payout is not finite: ' + payout)
-    }
-    if (deposit !== undefined && !isFinite(deposit)) {
-      throw new Error('Deposit is not finite: ' + deposit)
-    }
-  }
-
-  const groupedPayouts = groupBy(payouts, 'userId')
-  return Object.values(
-    mapValues(groupedPayouts, (payouts, userId) => ({
-      userId,
-      payout: sumBy(payouts, 'payout'),
-      deposit: sumBy(payouts, (p) => p.deposit ?? 0),
-    }))
-  )
-}
-
-// Max 500 users in one transaction.
-export const payUsers = (
-  transaction: Transaction,
-  payouts: {
-    userId: string
-    payout: number
-    deposit?: number
-  }[]
-) => {
-  const mergedPayouts = checkAndMergePayouts(payouts)
-  for (const { userId, payout, deposit } of mergedPayouts) {
-    updateUserBalance(transaction, userId, payout, deposit)
-  }
-}
-
-export const payUsersMultipleTransactions = async (
-  payouts: {
-    userId: string
-    payout: number
-    deposit?: number
-  }[]
-) => {
-  const mergedPayouts = checkAndMergePayouts(payouts)
-  const payoutChunks = chunk(mergedPayouts, 500)
-
-  for (const payoutChunk of payoutChunks) {
-    await firestore.runTransaction(async (transaction) => {
-      for (const { userId, payout, deposit } of payoutChunk) {
-        updateUserBalance(transaction, userId, payout, deposit)
-      }
-    })
-  }
+  return updateUserBalance(userId, -charge, isAnte)
 }

 export const getContractPath = (contract: Contract) => {
--- a/functions/src/weekly-markets-emails.ts
+++ b/functions/src/weekly-markets-emails.ts
@ -4,24 +4,21 @@ import * as admin from 'firebase-admin'
 import { Contract } from '../../common/contract'
 import {
  getAllPrivateUsers,
-  getGroup,
  getPrivateUser,
  getUser,
  getValues,
  isProd,
  log,
 } from './utils'
-import { createRNG, shuffle } from '../../common/util/random'
-import { DAY_MS, HOUR_MS } from '../../common/util/time'
-import { filterDefined } from '../../common/util/array'
-import { Follow } from '../../common/follow'
-import { countBy, uniq, uniqBy } from 'lodash'
 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'], memory: '4GB' })
-  // every minute on Monday for 2 hours starting at 12pm PT (UTC -07:00)
-  .pubsub.schedule('* 19-20 * * 1')
+  // every minute on Monday for an hour at 12pm PT (UTC -07:00)
+  .pubsub.schedule('* 19 * * 1')
  .timeZone('Etc/UTC')
  .onRun(async () => {
    await sendTrendingMarketsEmailsToAllUsers()
@ -43,30 +40,20 @@ export async function getTrendingContracts() {
  )
 }

-export async function sendTrendingMarketsEmailsToAllUsers() {
+async function sendTrendingMarketsEmailsToAllUsers() {
  const numContractsToSend = 6
  const privateUsers = isProd()
    ? await getAllPrivateUsers()
-    : filterDefined([
-        await getPrivateUser('6hHpzvRG0pMq8PNJs7RZj2qlZGn2'), // dev Ian
-      ])
+    : filterDefined([await getPrivateUser('6hHpzvRG0pMq8PNJs7RZj2qlZGn2')])
+  // get all users that haven't unsubscribed from weekly emails
  const privateUsersToSendEmailsTo = privateUsers
-    // Get all users that haven't unsubscribed from weekly emails
-    .filter(
-      (user) =>
+    .filter((user) => {
+      return (
        user.notificationPreferences.trending_markets.includes('email') &&
        !user.weeklyTrendingEmailSent
-    )
-    .slice(0, 90) // Send the emails out in batches
-
-  // For testing different users on prod: (only send ian an email though)
-  // const privateUsersToSendEmailsTo = filterDefined([
-  //   await getPrivateUser('AJwLWoo3xue32XIiAVrL5SyR1WB2'), // prod Ian
-  //   // isProd()
-  //   await getPrivateUser('FptiiMZZ6dQivihLI8MYFQ6ypSw1'), // prod Mik
-  //   //   : await getPrivateUser('6hHpzvRG0pMq8PNJs7RZj2qlZGn2'), // dev Ian
-  // ])
-
+      )
+    })
+    .slice(150) // Send the emails out in batches
  log(
    'Sending weekly trending emails to',
    privateUsersToSendEmailsTo.length,
@ -83,358 +70,42 @@ export async function sendTrendingMarketsEmailsToAllUsers() {
        !contract.groupSlugs?.includes('manifold-features') &&
        !contract.groupSlugs?.includes('manifold-6748e065087e')
    )
-    .slice(0, 50)
+    .slice(0, 20)
+  log(
+    `Found ${trendingContracts.length} trending contracts:\n`,
+    trendingContracts.map((c) => c.question).join('\n ')
+  )

-  const uniqueTrendingContracts = removeSimilarQuestions(
-    trendingContracts,
-    trendingContracts,
-    true
-  ).slice(0, 20)
-
-  await Promise.all(
-    privateUsersToSendEmailsTo.map(async (privateUser) => {
-      if (!privateUser.email) {
-        log(`No email for ${privateUser.username}`)
-        return
-      }
-
-      const unbetOnFollowedMarkets = await getUserUnBetOnFollowsMarkets(
-        privateUser.id
-      )
-      const unBetOnGroupMarkets = await getUserUnBetOnGroupsMarkets(
-        privateUser.id,
-        unbetOnFollowedMarkets
-      )
-      const similarBettorsMarkets = await getSimilarBettorsMarkets(
-        privateUser.id,
-        unBetOnGroupMarkets
-      )
-
-      const marketsAvailableToSend = uniqBy(
-        [
-          ...chooseRandomSubset(unbetOnFollowedMarkets, 2),
-          // // Most people will belong to groups but may not follow other users,
-          // so choose more from the other subsets if the followed markets is sparse
-          ...chooseRandomSubset(
-            unBetOnGroupMarkets,
-            unbetOnFollowedMarkets.length < 2 ? 3 : 2
-          ),
-          ...chooseRandomSubset(
-            similarBettorsMarkets,
-            unbetOnFollowedMarkets.length < 2 ? 3 : 2
-          ),
-        ],
-        (contract) => contract.id
-      )
-      // // at least send them trending contracts if nothing else
-      if (marketsAvailableToSend.length < numContractsToSend) {
-        const trendingMarketsToSend =
-          numContractsToSend - marketsAvailableToSend.length
-        log(
-          `not enough personalized markets, sending ${trendingMarketsToSend} trending`
-        )
-        marketsAvailableToSend.push(
-          ...removeSimilarQuestions(
-            uniqueTrendingContracts,
-            marketsAvailableToSend,
-            false
-          )
-            .filter(
-              (contract) => !contract.uniqueBettorIds?.includes(privateUser.id)
-            )
-            .slice(0, trendingMarketsToSend)
-        )
-      }
-
-      if (marketsAvailableToSend.length < numContractsToSend) {
-        log(
-          'not enough new, unbet-on contracts to send to user',
-          privateUser.id
-        )
-        await firestore.collection('private-users').doc(privateUser.id).update({
-          weeklyTrendingEmailSent: true,
-        })
-        return
-      }
-      // choose random subset of contracts to send to user
-      const contractsToSend = chooseRandomSubset(
-        marketsAvailableToSend,
-        numContractsToSend
-      )
-
-      const user = await getUser(privateUser.id)
-      if (!user) return
-
-      log(
-        'sending contracts:',
-        contractsToSend.map((c) => c.question + ' ' + c.popularityScore)
-      )
-      // if they don't have enough markets, find user bets and get the other bettor ids who most overlap on those markets, then do the same thing as above for them
-      await sendInterestingMarketsEmail(user, privateUser, contractsToSend)
-      await firestore.collection('private-users').doc(user.id).update({
+  // TODO: convert to Promise.all
+  for (const privateUser of privateUsersToSendEmailsTo) {
+    if (!privateUser.email) {
+      log(`No email for ${privateUser.username}`)
+      continue
+    }
+    const contractsAvailableToSend = trendingContracts.filter((contract) => {
+      return !contract.uniqueBettorIds?.includes(privateUser.id)
+    })
+    if (contractsAvailableToSend.length < numContractsToSend) {
+      log('not enough new, unbet-on contracts to send to user', privateUser.id)
+      await firestore.collection('private-users').doc(privateUser.id).update({
        weeklyTrendingEmailSent: true,
      })
-    })
-  )
-}
-
-const MINIMUM_POPULARITY_SCORE = 10
-
-const getUserUnBetOnFollowsMarkets = async (userId: string) => {
-  const follows = await getValues<Follow>(
-    firestore.collection('users').doc(userId).collection('follows')
-  )
-
-  const unBetOnContractsFromFollows = await Promise.all(
-    follows.map(async (follow) => {
-      const unresolvedContracts = await getValues<Contract>(
-        firestore
-          .collection('contracts')
-          .where('isResolved', '==', false)
-          .where('visibility', '==', 'public')
-          .where('creatorId', '==', follow.userId)
-          // can't use multiple inequality (/orderBy) operators on different fields,
-          // so have to filter for closed contracts separately
-          .orderBy('popularityScore', 'desc')
-          .limit(50)
-      )
-      // filter out contracts that have close times less than 6 hours from now
-      const openContracts = unresolvedContracts.filter(
-        (contract) => (contract?.closeTime ?? 0) > Date.now() + 6 * HOUR_MS
-      )
-
-      return openContracts.filter(
-        (contract) => !contract.uniqueBettorIds?.includes(userId)
-      )
-    })
-  )
-
-  const sortedMarkets = uniqBy(
-    unBetOnContractsFromFollows.flat(),
-    (contract) => contract.id
-  )
-    .filter(
-      (contract) =>
-        contract.popularityScore !== undefined &&
-        contract.popularityScore > MINIMUM_POPULARITY_SCORE
+      continue
+    }
+    // choose random subset of contracts to send to user
+    const contractsToSend = chooseRandomSubset(
+      contractsAvailableToSend,
+      numContractsToSend
    )
-    .sort((a, b) => (b.popularityScore ?? 0) - (a.popularityScore ?? 0))

-  const uniqueSortedMarkets = removeSimilarQuestions(
-    sortedMarkets,
-    sortedMarkets,
-    true
-  )
+    const user = await getUser(privateUser.id)
+    if (!user) continue

-  const topSortedMarkets = uniqueSortedMarkets.slice(0, 10)
-  // log(
-  //   'top 10 sorted markets by followed users',
-  //   topSortedMarkets.map((c) => c.question + ' ' + c.popularityScore)
-  // )
-  return topSortedMarkets
-}
-
-const getUserUnBetOnGroupsMarkets = async (
-  userId: string,
-  differentThanTheseContracts: Contract[]
-) => {
-  const snap = await firestore
-    .collectionGroup('groupMembers')
-    .where('userId', '==', userId)
-    .get()
-
-  const groupIds = filterDefined(
-    snap.docs.map((doc) => doc.ref.parent.parent?.id)
-  )
-  const groups = filterDefined(
-    await Promise.all(groupIds.map(async (groupId) => await getGroup(groupId)))
-  )
-  if (groups.length === 0) return []
-
-  const unBetOnContractsFromGroups = await Promise.all(
-    groups.map(async (group) => {
-      const unresolvedContracts = await getValues<Contract>(
-        firestore
-          .collection('contracts')
-          .where('isResolved', '==', false)
-          .where('visibility', '==', 'public')
-          .where('groupSlugs', 'array-contains', group.slug)
-          // can't use multiple inequality (/orderBy) operators on different fields,
-          // so have to filter for closed contracts separately
-          .orderBy('popularityScore', 'desc')
-          .limit(50)
-      )
-      // filter out contracts that have close times less than 6 hours from now
-      const openContracts = unresolvedContracts.filter(
-        (contract) => (contract?.closeTime ?? 0) > Date.now() + 6 * HOUR_MS
-      )
-
-      return openContracts.filter(
-        (contract) => !contract.uniqueBettorIds?.includes(userId)
-      )
+    await sendInterestingMarketsEmail(user, privateUser, contractsToSend)
+    await firestore.collection('private-users').doc(user.id).update({
+      weeklyTrendingEmailSent: true,
    })
-  )
-
-  const sortedMarkets = uniqBy(
-    unBetOnContractsFromGroups.flat(),
-    (contract) => contract.id
-  )
-    .filter(
-      (contract) =>
-        contract.popularityScore !== undefined &&
-        contract.popularityScore > MINIMUM_POPULARITY_SCORE
-    )
-    .sort((a, b) => (b.popularityScore ?? 0) - (a.popularityScore ?? 0))
-
-  const uniqueSortedMarkets = removeSimilarQuestions(
-    sortedMarkets,
-    sortedMarkets,
-    true
-  )
-  const topSortedMarkets = removeSimilarQuestions(
-    uniqueSortedMarkets,
-    differentThanTheseContracts,
-    false
-  ).slice(0, 10)
-
-  // log(
-  //   'top 10 sorted group markets',
-  //   topSortedMarkets.map((c) => c.question + ' ' + c.popularityScore)
-  // )
-  return topSortedMarkets
-}
-
-// Gets markets followed by similar bettors and bet on by similar bettors
-const getSimilarBettorsMarkets = async (
-  userId: string,
-  differentThanTheseContracts: Contract[]
-) => {
-  // get contracts with unique bettor ids with this user
-  const contractsUserHasBetOn = await getValues<Contract>(
-    firestore
-      .collection('contracts')
-      .where('uniqueBettorIds', 'array-contains', userId)
-  )
-  if (contractsUserHasBetOn.length === 0) return []
-  // count the number of times each unique bettor id appears on those contracts
-  const bettorIdsToCounts = countBy(
-    contractsUserHasBetOn.map((contract) => contract.uniqueBettorIds).flat(),
-    (bettorId) => bettorId
-  )
-
-  // sort by number of times they appear with at least 2 appearances
-  const sortedBettorIds = Object.entries(bettorIdsToCounts)
-    .sort((a, b) => b[1] - a[1])
-    .filter((bettorId) => bettorId[1] > 2)
-    .map((entry) => entry[0])
-    .filter((bettorId) => bettorId !== userId)
-
-  // get the top 10 most similar bettors (excluding this user)
-  const similarBettorIds = sortedBettorIds.slice(0, 10)
-  if (similarBettorIds.length === 0) return []
-
-  // get contracts with unique bettor ids with this user
-  const contractsSimilarBettorsHaveBetOn = uniqBy(
-    (
-      await getValues<Contract>(
-        firestore
-          .collection('contracts')
-          .where(
-            'uniqueBettorIds',
-            'array-contains-any',
-            similarBettorIds.slice(0, 10)
-          )
-          .orderBy('popularityScore', 'desc')
-          .limit(200)
-      )
-    ).filter(
-      (contract) =>
-        !contract.uniqueBettorIds?.includes(userId) &&
-        (contract.popularityScore ?? 0) > MINIMUM_POPULARITY_SCORE
-    ),
-    (contract) => contract.id
-  )
-
-  // sort the contracts by how many times similar bettor ids are in their unique bettor ids array
-  const sortedContractsInSimilarBettorsBets = contractsSimilarBettorsHaveBetOn
-    .map((contract) => {
-      const appearances = contract.uniqueBettorIds?.filter((bettorId) =>
-        similarBettorIds.includes(bettorId)
-      ).length
-      return [contract, appearances] as [Contract, number]
-    })
-    .sort((a, b) => b[1] - a[1])
-    .map((entry) => entry[0])
-
-  const uniqueSortedContractsInSimilarBettorsBets = removeSimilarQuestions(
-    sortedContractsInSimilarBettorsBets,
-    sortedContractsInSimilarBettorsBets,
-    true
-  )
-
-  const topMostSimilarContracts = removeSimilarQuestions(
-    uniqueSortedContractsInSimilarBettorsBets,
-    differentThanTheseContracts,
-    false
-  ).slice(0, 10)
-
-  // log(
-  //   'top 10 sorted contracts other similar bettors have bet on',
-  //   topMostSimilarContracts.map((c) => c.question)
-  // )
-
-  return topMostSimilarContracts
-}
-
-// search contract array by question and remove contracts with 3 matching words in the question
-const removeSimilarQuestions = (
-  contractsToFilter: Contract[],
-  byContracts: Contract[],
-  allowExactSameContracts: boolean
-) => {
-  // log(
-  //   'contracts to filter by',
-  //   byContracts.map((c) => c.question + ' ' + c.popularityScore)
-  // )
-  let contractsToRemove: Contract[] = []
-  byContracts.length > 0 &&
-    byContracts.forEach((contract) => {
-      const contractQuestion = stripNonAlphaChars(
-        contract.question.toLowerCase()
-      )
-      const contractQuestionWords = uniq(contractQuestion.split(' ')).filter(
-        (w) => !IGNORE_WORDS.includes(w)
-      )
-      contractsToRemove = contractsToRemove.concat(
-        contractsToFilter.filter(
-          // Remove contracts with more than 2 matching (uncommon) words and a lower popularity score
-          (c2) => {
-            const significantOverlap =
-              // TODO: we should probably use a library for comparing strings/sentiments
-              uniq(
-                stripNonAlphaChars(c2.question.toLowerCase()).split(' ')
-              ).filter((word) => contractQuestionWords.includes(word)).length >
-              2
-            const lessPopular =
-              (c2.popularityScore ?? 0) < (contract.popularityScore ?? 0)
-            return (
-              (significantOverlap && lessPopular) ||
-              (allowExactSameContracts ? false : c2.id === contract.id)
-            )
-          }
-        )
-      )
-    })
-  // log(
-  //   'contracts to filter out',
-  //   contractsToRemove.map((c) => c.question)
-  // )
-
-  const returnContracts = contractsToFilter.filter(
-    (cf) => !contractsToRemove.map((c) => c.id).includes(cf.id)
-  )
-
-  return returnContracts
+  }
 }

 const fiveMinutes = 5 * 60 * 1000
@ -445,40 +116,3 @@ function chooseRandomSubset(contracts: Contract[], count: number) {
  shuffle(contracts, rng)
  return contracts.slice(0, count)
 }
-
-function stripNonAlphaChars(str: string) {
-  return str.replace(/[^\w\s']|_/g, '').replace(/\s+/g, ' ')
-}
-
-const IGNORE_WORDS = [
-  'the',
-  'a',
-  'an',
-  'and',
-  'or',
-  'of',
-  'to',
-  'in',
-  'on',
-  'will',
-  'be',
-  'is',
-  'are',
-  'for',
-  'by',
-  'at',
-  'from',
-  'what',
-  'when',
-  'which',
-  'that',
-  'it',
-  'as',
-  'if',
-  'then',
-  'than',
-  'but',
-  'have',
-  'has',
-  'had',
-]
--- a/functions/src/weekly-portfolio-emails.ts
+++ b/functions/src/weekly-portfolio-emails.ts
@ -48,7 +48,7 @@ export async function sendPortfolioUpdateEmailsToAllUsers() {
      return isProd()
        ? user.notificationPreferences.profit_loss_updates.includes('email') &&
            !user.weeklyPortfolioUpdateEmailSent
-        : user.notificationPreferences.profit_loss_updates.includes('email')
+        : true
    })
    // Send emails in batches
    .slice(0, 200)
@ -112,12 +112,12 @@ export async function sendPortfolioUpdateEmailsToAllUsers() {
      )
    )
  )
+  log('Found', contractsUsersBetOn.length, 'contracts')
+  let count = 0
  await Promise.all(
    privateUsersToSendEmailsTo.map(async (privateUser) => {
      const user = await getUser(privateUser.id)
-      // Don't send to a user unless they're over 5 days old
-      if (!user || user.createdTime > Date.now() - 5 * DAY_MS)
-        return await setEmailFlagAsSent(privateUser.id)
+      if (!user) return
      const userBets = usersBets[privateUser.id] as Bet[]
      const contractsUserBetOn = contractsUsersBetOn.filter((contract) =>
        userBets.some((bet) => bet.contractId === contract.id)
@ -218,6 +218,13 @@ export async function sendPortfolioUpdateEmailsToAllUsers() {
        (differences) => Math.abs(differences.profit)
      ).reverse()

+      log(
+        'Found',
+        investmentValueDifferences.length,
+        'investment differences for user',
+        privateUser.id
+      )
+
      const [winningInvestments, losingInvestments] = partition(
        investmentValueDifferences.filter(
          (diff) => diff.pastValue > 0.01 && Math.abs(diff.profit) > 1
@ -237,28 +244,29 @@ export async function sendPortfolioUpdateEmailsToAllUsers() {
        usersToContractsCreated[privateUser.id].length === 0
      ) {
        log(
-          `No bets in last week, no market movers, no markets created. Not sending an email to ${privateUser.email} .`
+          'No bets in last week, no market movers, no markets created. Not sending an email.'
        )
-        return await setEmailFlagAsSent(privateUser.id)
+        await firestore.collection('private-users').doc(privateUser.id).update({
+          weeklyPortfolioUpdateEmailSent: true,
+        })
+        return
      }
-      // Set the flag beforehand just to be safe
-      await setEmailFlagAsSent(privateUser.id)
      await sendWeeklyPortfolioUpdateEmail(
        user,
        privateUser,
        topInvestments.concat(worstInvestments) as PerContractInvestmentsData[],
        performanceData
      )
+      await firestore.collection('private-users').doc(privateUser.id).update({
+        weeklyPortfolioUpdateEmailSent: true,
+      })
+      log('Sent weekly portfolio update email to', privateUser.email)
+      count++
+      log('sent out emails to users:', count)
    })
  )
 }

-async function setEmailFlagAsSent(privateUserId: string) {
-  await firestore.collection('private-users').doc(privateUserId).update({
-    weeklyPortfolioUpdateEmailSent: true,
-  })
-}
-
 export type PerContractInvestmentsData = {
  questionTitle: string
  questionUrl: string
--- a/functions/src/withdraw-liquidity.ts
+++ b/functions/src/withdraw-liquidity.ts
@ -0,0 +1,121 @@
+import * as admin from 'firebase-admin'
+import { z } from 'zod'
+
+import { CPMMContract } from '../../common/contract'
+import { User } from '../../common/user'
+import { subtractObjects } from '../../common/util/object'
+import { LiquidityProvision } from '../../common/liquidity-provision'
+import { getUserLiquidityShares } from '../../common/calculate-cpmm'
+import { Bet } from '../../common/bet'
+import { getProbability } from '../../common/calculate'
+import { noFees } from '../../common/fees'
+
+import { APIError, newEndpoint, validate } from './api'
+import { redeemShares } from './redeem-shares'
+
+const bodySchema = z.object({
+  contractId: z.string(),
+})
+
+export const withdrawliquidity = newEndpoint({}, async (req, auth) => {
+  const { contractId } = validate(bodySchema, req.body)
+
+  return await firestore
+    .runTransaction(async (trans) => {
+      const lpDoc = firestore.doc(`users/${auth.uid}`)
+      const lpSnap = await trans.get(lpDoc)
+      if (!lpSnap.exists) throw new APIError(400, 'User not found.')
+      const lp = lpSnap.data() as User
+
+      const contractDoc = firestore.doc(`contracts/${contractId}`)
+      const contractSnap = await trans.get(contractDoc)
+      if (!contractSnap.exists) throw new APIError(400, 'Contract not found.')
+      const contract = contractSnap.data() as CPMMContract
+
+      const liquidityCollection = firestore.collection(
+        `contracts/${contractId}/liquidity`
+      )
+
+      const liquiditiesSnap = await trans.get(liquidityCollection)
+
+      const liquidities = liquiditiesSnap.docs.map(
+        (doc) => doc.data() as LiquidityProvision
+      )
+
+      const userShares = getUserLiquidityShares(
+        auth.uid,
+        contract,
+        liquidities,
+        true
+      )
+
+      // zero all added amounts for now
+      // can add support for partial withdrawals in the future
+      liquiditiesSnap.docs
+        .filter(
+          (_, i) => !liquidities[i].isAnte && liquidities[i].userId === auth.uid
+        )
+        .forEach((doc) => trans.update(doc.ref, { amount: 0 }))
+
+      const payout = Math.min(...Object.values(userShares))
+      if (payout <= 0) return {}
+
+      const newBalance = lp.balance + payout
+      const newTotalDeposits = lp.totalDeposits + payout
+      trans.update(lpDoc, {
+        balance: newBalance,
+        totalDeposits: newTotalDeposits,
+      } as Partial<User>)
+
+      const newPool = subtractObjects(contract.pool, userShares)
+
+      const minPoolShares = Math.min(...Object.values(newPool))
+      const adjustedTotal = contract.totalLiquidity - payout
+
+      // total liquidity is a bogus number; use minPoolShares to prevent from going negative
+      const newTotalLiquidity = Math.max(adjustedTotal, minPoolShares)
+
+      trans.update(contractDoc, {
+        pool: newPool,
+        totalLiquidity: newTotalLiquidity,
+      })
+
+      const prob = getProbability(contract)
+
+      // surplus shares become user's bets
+      const bets = Object.entries(userShares)
+        .map(([outcome, shares]) =>
+          shares - payout < 1 // don't create bet if less than 1 share
+            ? undefined
+            : ({
+                userId: auth.uid,
+                contractId: contract.id,
+                amount:
+                  (outcome === 'YES' ? prob : 1 - prob) * (shares - payout),
+                shares: shares - payout,
+                outcome,
+                probBefore: prob,
+                probAfter: prob,
+                createdTime: Date.now(),
+                isLiquidityProvision: true,
+                fees: noFees,
+              } as Omit<Bet, 'id'>)
+        )
+        .filter((x) => x !== undefined)
+
+      for (const bet of bets) {
+        const doc = firestore.collection(`contracts/${contract.id}/bets`).doc()
+        trans.create(doc, { id: doc.id, ...bet })
+      }
+
+      return userShares
+    })
+    .then(async (result) => {
+      // redeem surplus bet with pre-existing bets
+      await redeemShares(auth.uid, contractId)
+      console.log('userid', auth.uid, 'withdraws', result)
+      return result
+    })
+})
+
+const firestore = admin.firestore()
--- a/og-image/api/_lib/template.ts
+++ b/og-image/api/_lib/template.ts
@ -14,6 +14,11 @@ export function getHtml(parsedReq: ParsedRequest) {
    numericValue,
    resolution,
  } = parsedReq
+  const MAX_QUESTION_CHARS = 100
+  const truncatedQuestion =
+    question.length > MAX_QUESTION_CHARS
+      ? question.slice(0, MAX_QUESTION_CHARS) + '...'
+      : question
  const hideAvatar = creatorAvatarUrl ? '' : 'hidden'

  let resolutionColor = 'text-primary'
@ -64,7 +69,7 @@ export function getHtml(parsedReq: ParsedRequest) {
        <meta charset="utf-8">
        <title>Generated Image</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <script src="https://cdn.tailwindcss.com?plugins=line-clamp"></script>
+        <script src="https://cdn.tailwindcss.com"></script>
    </head>
    <style>
        ${getTemplateCss(theme, fontSize)}
@ -104,8 +109,8 @@ export function getHtml(parsedReq: ParsedRequest) {
      </div>

      <div class="flex flex-row justify-between gap-12 pt-36">
-        <div class="text-indigo-700 text-6xl leading-tight line-clamp-4">
-          ${question}
+        <div class="text-indigo-700 text-6xl leading-tight">
+          ${truncatedQuestion}
        </div>
        <div class="flex flex-col">
                    ${
@ -122,7 +127,7 @@ export function getHtml(parsedReq: ParsedRequest) {

      <!-- Metadata -->
      <div class="absolute bottom-16">
-        <div class="text-gray-500 text-3xl max-w-[80vw] line-clamp-2">
+        <div class="text-gray-500 text-3xl max-w-[80vw]">
          ${metadata}
        </div>
      </div>
--- a/package.json
+++ b/package.json
@ -24,5 +24,8 @@
    "prettier": "2.7.1",
    "ts-node": "10.9.1",
    "typescript": "4.8.2"
+  },
+  "resolutions": {
+    "@types/react": "17.0.43"
  }
 }
--- a/web/.eslintrc.js
+++ b/web/.eslintrc.js
@ -22,9 +22,8 @@ module.exports = {
    '@next/next/no-typos': 'off',
    'linebreak-style': ['error', 'unix'],
    'lodash/import-scope': [2, 'member'],
-    'unused-imports/no-unused-imports': 'warn',
+    'unused-imports/no-unused-imports': 'error',
  },
-  ignorePatterns: ['/public/mtg/*'],
  env: {
    browser: true,
    node: true,
--- a/web/.gitignore
+++ b/web/.gitignore
@ -2,5 +2,4 @@
 .next
 node_modules
 out
-tsconfig.tsbuildinfo
-.env*
+tsconfig.tsbuildinfo
--- a/web/components/NoSEO.tsx
+++ b/web/components/NoSEO.tsx
@ -1,10 +0,0 @@
-import Head from 'next/head'
-
-/** Exclude page from search results */
-export function NoSEO() {
-  return (
-    <Head>
-      <meta name="robots" content="noindex,follow" />
-    </Head>
-  )
-}
--- a/web/components/SEO.tsx
+++ b/web/components/SEO.tsx
@ -15,7 +15,7 @@ export function SEO(props: {

  return (
    <Head>
-      <title>{`${title} | Manifold Markets`}</title>
+      <title>{title} | Manifold Markets</title>

      <meta
        property="og:title"
--- a/web/components/add-funds-button.tsx
+++ b/web/components/add-funds-button.tsx
@ -0,0 +1,84 @@
+import clsx from 'clsx'
+import { useEffect, useState } from 'react'
+
+import { useUser } from 'web/hooks/use-user'
+import { checkoutURL } from 'web/lib/service/stripe'
+import { FundsSelector } from './yes-no-selector'
+
+export function AddFundsButton(props: { className?: string }) {
+  const { className } = props
+  const user = useUser()
+
+  const [amountSelected, setAmountSelected] = useState<1000 | 2500 | 10000>(
+    2500
+  )
+
+  const location = useLocation()
+
+  return (
+    <>
+      <label
+        htmlFor="add-funds"
+        className={clsx(
+          'btn btn-xs btn-outline modal-button font-normal normal-case',
+          className
+        )}
+      >
+        Get M$
+      </label>
+      <input type="checkbox" id="add-funds" className="modal-toggle" />
+
+      <div className="modal">
+        <div className="modal-box">
+          <div className="mb-6 text-xl">Get Mana</div>
+
+          <div className="mb-6 text-gray-500">
+            Buy mana (M$) to trade in your favorite markets. <br /> (Not
+            redeemable for cash.)
+          </div>
+
+          <div className="mb-2 text-sm text-gray-500">Amount</div>
+          <FundsSelector
+            selected={amountSelected}
+            onSelect={setAmountSelected}
+          />
+
+          <div className="mt-6">
+            <div className="mb-1 text-sm text-gray-500">Price USD</div>
+            <div className="text-xl">
+              ${Math.round(amountSelected / 100)}.00
+            </div>
+          </div>
+
+          <div className="modal-action">
+            <label htmlFor="add-funds" className={clsx('btn btn-ghost')}>
+              Back
+            </label>
+
+            <form
+              action={checkoutURL(user?.id || '', amountSelected, location)}
+              method="POST"
+            >
+              <button
+                type="submit"
+                className="btn btn-primary bg-gradient-to-r from-indigo-500 to-blue-500 px-10 font-medium hover:from-indigo-600 hover:to-blue-600"
+              >
+                Checkout
+              </button>
+            </form>
+          </div>
+        </div>
+      </div>
+    </>
+  )
+}
+
+// needed in next js
+// window not loaded at runtime
+const useLocation = () => {
+  const [href, setHref] = useState('')
+  useEffect(() => {
+    setHref(window.location.href)
+  }, [])
+  return href
+}
--- a/web/components/add-funds-modal.tsx
+++ b/web/components/add-funds-modal.tsx
@ -1,58 +0,0 @@
-import { manaToUSD } from 'common/util/format'
-import { useState } from 'react'
-import { useUser } from 'web/hooks/use-user'
-import { checkoutURL } from 'web/lib/service/stripe'
-import { Button } from './button'
-import { Modal } from './layout/modal'
-import { FundsSelector } from './yes-no-selector'
-
-export function AddFundsModal(props: {
-  open: boolean
-  setOpen(open: boolean): void
-}) {
-  const { open, setOpen } = props
-
-  const user = useUser()
-
-  const [amountSelected, setAmountSelected] = useState<1000 | 2500 | 10000>(
-    2500
-  )
-
-  return (
-    <Modal open={open} setOpen={setOpen} className="rounded-md bg-white p-8">
-      <div className="mb-6 text-xl text-indigo-700">Get Mana</div>
-
-      <div className="mb-6 text-gray-700">
-        Buy mana (M$) to trade in your favorite markets. <br /> (Not redeemable
-        for cash.)
-      </div>
-
-      <div className="mb-2 text-sm text-gray-500">Amount</div>
-      <FundsSelector selected={amountSelected} onSelect={setAmountSelected} />
-
-      <div className="mt-6">
-        <div className="mb-1 text-sm text-gray-500">Price USD</div>
-        <div className="text-xl">{manaToUSD(amountSelected)}</div>
-      </div>
-
-      <div className="flex">
-        <Button color="gray-white" onClick={() => setOpen(false)}>
-          Back
-        </Button>
-
-        <form
-          action={checkoutURL(
-            user?.id || '',
-            amountSelected,
-            window.location.href
-          )}
-          method="POST"
-        >
-          <Button type="submit" color="gradient">
-            Checkout
-          </Button>
-        </form>
-      </div>
-    </Modal>
-  )
-}
--- a/web/components/amount-input.tsx
+++ b/web/components/amount-input.tsx
@ -1,14 +1,12 @@
 import clsx from 'clsx'
-import React, { useState } from 'react'
+import React from 'react'
 import { useUser } from 'web/hooks/use-user'
 import { formatMoney } from 'common/util/format'
 import { Col } from './layout/col'
+import { SiteLink } from './site-link'
 import { ENV_CONFIG } from 'common/envs/constants'
+import { useWindowSize } from 'web/hooks/use-window-size'
 import { Row } from './layout/row'
-import { AddFundsModal } from './add-funds-modal'
-import { Input } from './input'
-import Slider from 'rc-slider'
-import 'rc-slider/assets/index.css'

 export function AmountInput(props: {
  amount: number | undefined
@ -38,45 +36,44 @@ export function AmountInput(props: {
    onChange(isInvalid ? undefined : amount)
  }

-  const [addFundsModalOpen, setAddFundsModalOpen] = useState(false)
+  const { width } = useWindowSize()
+  const isMobile = (width ?? 0) < 768

  return (
    <>
-      <Col className={clsx('relative', className)}>
-        <label className="font-sm md:font-lg relative">
-          <span className="text-greyscale-4 absolute top-1/2 my-auto ml-2 -translate-y-1/2">
+      <Col className={className}>
+        <label className="font-sm md:font-lg">
+          <span className={clsx('text-greyscale-4 absolute ml-2 mt-[9px]')}>
            {label}
          </span>
-          <Input
-            className={clsx('w-24 pl-9 !text-base md:w-auto', inputClassName)}
+          <input
+            className={clsx(
+              'placeholder:text-greyscale-4 border-greyscale-2 rounded-md pl-9',
+              error && 'input-error',
+              isMobile ? 'w-24' : '',
+              inputClassName
+            )}
            ref={inputRef}
            type="text"
            pattern="[0-9]*"
            inputMode="numeric"
            placeholder="0"
            maxLength={6}
+            autoFocus={!isMobile}
            value={amount ?? ''}
-            error={!!error}
            disabled={disabled}
            onChange={(e) => onAmountChange(e.target.value)}
          />
        </label>

        {error && (
-          <div className="absolute -bottom-5 whitespace-nowrap text-xs font-medium tracking-wide text-red-500">
+          <div className="absolute mt-11 whitespace-nowrap text-xs font-medium tracking-wide text-red-500">
            {error === 'Insufficient balance' ? (
              <>
                Not enough funds.
-                <button
-                  className="ml-1 text-indigo-500 hover:underline hover:decoration-indigo-400"
-                  onClick={() => setAddFundsModalOpen(true)}
-                >
-                  Buy more?
-                </button>
-                <AddFundsModal
-                  open={addFundsModalOpen}
-                  setOpen={setAddFundsModalOpen}
-                />
+                <span className="ml-1 text-indigo-500">
+                  <SiteLink href="/add-funds">Buy more?</SiteLink>
+                </span>
              </>
            ) : (
              error
@ -147,7 +144,7 @@ export function BuyAmountInput(props: {

  return (
    <>
-      <Row className="items-center gap-4">
+      <Row className="gap-4">
        <AmountInput
          amount={amount}
          onChange={onAmountChange}
@ -159,23 +156,14 @@ export function BuyAmountInput(props: {
          inputRef={inputRef}
        />
        {showSlider && (
-          <Slider
-            min={0}
-            max={205}
+          <input
+            type="range"
+            min="0"
+            max="205"
            value={getRaw(amount ?? 0)}
-            onChange={(value) => onAmountChange(parseRaw(value as number))}
-            className="mx-4 !h-4 xl:hidden [&>.rc-slider-rail]:bg-gray-200 [&>.rc-slider-track]:bg-indigo-400 [&>.rc-slider-handle]:bg-indigo-400"
-            railStyle={{ height: 16, top: 0, left: 0 }}
-            trackStyle={{ height: 16, top: 0 }}
-            handleStyle={{
-              height: 32,
-              width: 32,
-              opacity: 1,
-              border: 'none',
-              boxShadow: 'none',
-              top: -2,
-            }}
-            step={5}
+            onChange={(e) => onAmountChange(parseRaw(parseInt(e.target.value)))}
+            className="range range-lg only-thumb my-auto align-middle xl:hidden"
+            step="5"
          />
        )}
      </Row>
--- a/web/components/analytics/charts.tsx
+++ b/web/components/analytics/charts.tsx
@ -0,0 +1,139 @@
+import { Point, ResponsiveLine } from '@nivo/line'
+import clsx from 'clsx'
+import { formatPercent } from 'common/util/format'
+import dayjs from 'dayjs'
+import { zip } from 'lodash'
+import { useWindowSize } from 'web/hooks/use-window-size'
+import { Col } from '../layout/col'
+
+export function DailyCountChart(props: {
+  startDate: number
+  dailyCounts: number[]
+  small?: boolean
+}) {
+  const { dailyCounts, startDate, small } = props
+  const { width } = useWindowSize()
+
+  const dates = dailyCounts.map((_, i) =>
+    dayjs(startDate).add(i, 'day').toDate()
+  )
+
+  const points = zip(dates, dailyCounts).map(([date, betCount]) => ({
+    x: date,
+    y: betCount,
+  }))
+  const data = [{ id: 'Count', data: points, color: '#11b981' }]
+
+  const bottomAxisTicks = width && width < 600 ? 6 : undefined
+
+  return (
+    <div
+      className={clsx(
+        'h-[250px] w-full overflow-hidden',
+        !small && 'md:h-[400px]'
+      )}
+    >
+      <ResponsiveLine
+        data={data}
+        yScale={{ type: 'linear', stacked: false }}
+        xScale={{
+          type: 'time',
+        }}
+        axisBottom={{
+          tickValues: bottomAxisTicks,
+          format: (date) => dayjs(date).format('MMM DD'),
+        }}
+        colors={{ datum: 'color' }}
+        pointSize={0}
+        pointBorderWidth={1}
+        pointBorderColor="#fff"
+        enableSlices="x"
+        enableGridX={!!width && width >= 800}
+        enableArea
+        margin={{ top: 20, right: 28, bottom: 22, left: 40 }}
+        sliceTooltip={({ slice }) => {
+          const point = slice.points[0]
+          return <Tooltip point={point} />
+        }}
+      />
+    </div>
+  )
+}
+
+export function DailyPercentChart(props: {
+  startDate: number
+  dailyPercent: number[]
+  small?: boolean
+  excludeFirstDays?: number
+}) {
+  const { dailyPercent, startDate, small, excludeFirstDays } = props
+  const { width } = useWindowSize()
+
+  const dates = dailyPercent.map((_, i) =>
+    dayjs(startDate).add(i, 'day').toDate()
+  )
+
+  const points = zip(dates, dailyPercent)
+    .map(([date, percent]) => ({
+      x: date,
+      y: percent,
+    }))
+    .slice(excludeFirstDays ?? 0)
+  const data = [{ id: 'Percent', data: points, color: '#11b981' }]
+
+  const bottomAxisTicks = width && width < 600 ? 6 : undefined
+
+  return (
+    <div
+      className={clsx(
+        'h-[250px] w-full overflow-hidden',
+        !small && 'md:h-[400px]'
+      )}
+    >
+      <ResponsiveLine
+        data={data}
+        yScale={{ type: 'linear', stacked: false }}
+        xScale={{
+          type: 'time',
+        }}
+        axisLeft={{
+          format: formatPercent,
+        }}
+        axisBottom={{
+          tickValues: bottomAxisTicks,
+          format: (date) => dayjs(date).format('MMM DD'),
+        }}
+        colors={{ datum: 'color' }}
+        pointSize={0}
+        pointBorderWidth={1}
+        pointBorderColor="#fff"
+        enableSlices="x"
+        enableGridX={!!width && width >= 800}
+        enableArea
+        margin={{ top: 20, right: 28, bottom: 22, left: 40 }}
+        sliceTooltip={({ slice }) => {
+          const point = slice.points[0]
+          return <Tooltip point={point} isPercent />
+        }}
+      />
+    </div>
+  )
+}
+
+function Tooltip(props: { point: Point; isPercent?: boolean }) {
+  const { point, isPercent } = props
+  return (
+    <Col className="border border-gray-300 bg-white py-2 px-3">
+      <div
+        className="pb-1"
+        style={{
+          color: point.serieColor,
+        }}
+      >
+        <strong>{point.serieId}</strong>{' '}
+        {isPercent ? formatPercent(+point.data.y) : Math.round(+point.data.y)}
+      </div>
+      <div>{dayjs(point.data.x).format('MMM DD')}</div>
+    </Col>
+  )
+}
--- a/web/components/answers/answer-bet-panel.tsx
+++ b/web/components/answers/answer-bet-panel.tsx
@ -126,10 +126,7 @@ export function AnswerBetPanel(props: {
        </div>

        {!isModal && (
-          <button
-            className="hover:bg-greyscale-2 rounded-full"
-            onClick={closePanel}
-          >
+          <button className="btn-ghost btn-circle" onClick={closePanel}>
            <XIcon
              className="mx-auto h-8 w-8 text-gray-500"
              aria-hidden="true"
@ -187,15 +184,16 @@ export function AnswerBetPanel(props: {
      <Spacer h={6} />
      {user ? (
        <WarningConfirmationButton
-          size="xl"
          marketType="freeResponse"
          amount={betAmount}
          warning={warning}
          onSubmit={submitBet}
          isSubmitting={isSubmitting}
          disabled={!!betDisabled}
-          color={'indigo'}
-          actionLabel="Buy"
+          openModalButtonClass={clsx(
+            'btn self-stretch',
+            betDisabled ? 'btn-disabled' : 'btn-primary'
+          )}
        />
      ) : (
        <BetSignUpPrompt />
--- a/web/components/answers/answer-item.tsx
+++ b/web/components/answers/answer-item.tsx
@ -10,7 +10,6 @@ import { formatPercent } from 'common/util/format'
 import { getDpmOutcomeProbability } from 'common/calculate-dpm'
 import { tradingAllowed } from 'web/lib/firebase/contracts'
 import { Linkify } from '../linkify'
-import { Input } from '../input'

 export function AnswerItem(props: {
  answer: Answer
@ -75,8 +74,8 @@ export function AnswerItem(props: {
      <Row className="items-center justify-end gap-4 self-end sm:self-start">
        {!wasResolvedTo &&
          (showChoice === 'checkbox' ? (
-            <Input
-              className="w-24 justify-self-end !text-2xl"
+            <input
+              className="input input-bordered w-24 justify-self-end text-2xl"
              type="number"
              placeholder={`${roundedProb}`}
              maxLength={9}
@ -93,15 +92,15 @@ export function AnswerItem(props: {
            <div
              className={clsx(
                'text-2xl',
-                tradingAllowed(contract) ? 'text-teal-500' : 'text-gray-500'
+                tradingAllowed(contract) ? 'text-green-500' : 'text-gray-500'
              )}
            >
              {probPercent}
            </div>
          ))}
        {showChoice ? (
-          <div className="flex flex-col py-1">
-            <label className="cursor-pointer gap-3 px-1 py-2">
+          <div className="form-control py-1">
+            <label className="label cursor-pointer gap-3">
              <span className="">Choose this answer</span>
              {showChoice === 'radio' && (
                <input
@ -144,7 +143,7 @@ export function AnswerItem(props: {
              <div
                className={clsx(
                  'text-xl',
-                  resolution === 'MKT' ? 'text-blue-700' : 'text-teal-600'
+                  resolution === 'MKT' ? 'text-blue-700' : 'text-green-700'
                )}
              >
                Chosen{' '}
--- a/web/components/answers/answer-resolve-panel.tsx
+++ b/web/components/answers/answer-resolve-panel.tsx
@ -10,7 +10,6 @@ import { ChooseCancelSelector } from '../yes-no-selector'
 import { ResolveConfirmationButton } from '../confirmation-button'
 import { removeUndefinedProps } from 'common/util/object'
 import { BETTOR, PAST_BETS } from 'common/user'
-import { Button } from '../button'

 export function AnswerResolvePanel(props: {
  isAdmin: boolean
@ -86,6 +85,17 @@ export function AnswerResolvePanel(props: {
    setIsSubmitting(false)
  }

+  const resolutionButtonClass =
+    resolveOption === 'CANCEL'
+      ? 'bg-yellow-400 hover:bg-yellow-500'
+      : resolveOption === 'CHOOSE' && answers.length
+      ? 'btn-primary'
+      : resolveOption === 'CHOOSE_MULTIPLE' &&
+        answers.length > 1 &&
+        answers.every((answer) => chosenAnswers[answer] > 0)
+      ? 'bg-blue-400 hover:bg-blue-500'
+      : 'btn-disabled'
+
  return (
    <Col className="gap-4 rounded">
      <Row className="justify-between">
@ -110,37 +120,20 @@ export function AnswerResolvePanel(props: {
          )}
        >
          {resolveOption && (
-            <Button
-              color="gray-white"
+            <button
+              className="btn btn-ghost"
              onClick={() => {
                setResolveOption(undefined)
              }}
            >
              Clear
-            </Button>
+            </button>
          )}
-
          <ResolveConfirmationButton
-            color={
-              resolveOption === 'CANCEL'
-                ? 'yellow'
-                : resolveOption === 'CHOOSE' && answers.length
-                ? 'green'
-                : resolveOption === 'CHOOSE_MULTIPLE' &&
-                  answers.length > 1 &&
-                  answers.every((answer) => chosenAnswers[answer] > 0)
-                ? 'blue'
-                : 'indigo'
-            }
-            disabled={
-              !resolveOption ||
-              (resolveOption === 'CHOOSE' && !answers.length) ||
-              (resolveOption === 'CHOOSE_MULTIPLE' &&
-                (!(answers.length > 1) ||
-                  !answers.every((answer) => chosenAnswers[answer] > 0)))
-            }
            onResolve={onResolve}
            isSubmitting={isSubmitting}
+            openModalButtonClass={resolutionButtonClass}
+            submitButtonClass={resolutionButtonClass}
          />
        </Row>
      </Col>
--- a/web/components/answers/answers-panel.tsx
+++ b/web/components/answers/answers-panel.tsx
@ -20,26 +20,17 @@ import { AnswerBetPanel } from 'web/components/answers/answer-bet-panel'
 import { Row } from 'web/components/layout/row'
 import { Avatar } from 'web/components/avatar'
 import { Linkify } from 'web/components/linkify'
+import { BuyButton } from 'web/components/yes-no-selector'
+import { UserLink } from 'web/components/user-link'
 import { Button } from 'web/components/button'
 import { useAdmin } from 'web/hooks/use-admin'
 import { needsAdminToResolve } from 'web/pages/[username]/[contractSlug]'
-import { CHOICE_ANSWER_COLORS } from '../charts/contract/choice'
-import { useChartAnswers } from '../charts/contract/choice'
-import { ChatIcon } from '@heroicons/react/outline'
-
-export function getAnswerColor(answer: Answer, answersArray: string[]) {
-  const colorIndex = answersArray.indexOf(answer.text)
-  return colorIndex != undefined && colorIndex < CHOICE_ANSWER_COLORS.length
-    ? CHOICE_ANSWER_COLORS[colorIndex]
-    : '#B1B1C7'
-}

 export function AnswersPanel(props: {
  contract: FreeResponseContract | MultipleChoiceContract
-  onAnswerCommentClick: (answer: Answer) => void
 }) {
  const isAdmin = useAdmin()
-  const { contract, onAnswerCommentClick } = props
+  const { contract } = props
  const { creatorId, resolution, resolutions, totalBets, outcomeType } =
    contract
  const [showAllAnswers, setShowAllAnswers] = useState(false)
@ -47,7 +38,6 @@ export function AnswersPanel(props: {
  const answers = (useAnswers(contract.id) ?? contract.answers).filter(
    (a) => a.number != 0 || contract.outcomeType === 'MULTIPLE_CHOICE'
  )
-
  const hasZeroBetAnswers = answers.some((answer) => totalBets[answer.id] < 1)

  const [winningAnswers, losingAnswers] = partition(
@ -114,10 +104,6 @@ export function AnswersPanel(props: {
    ? 'checkbox'
    : undefined

-  const answersArray = useChartAnswers(contract).map(
-    (answer, _index) => answer.text
-  )
-
  return (
    <Col className="gap-3">
      {(resolveOption || resolution) &&
@ -142,13 +128,7 @@ export function AnswersPanel(props: {
          )}
        >
          {answerItems.map((item) => (
-            <OpenAnswer
-              key={item.id}
-              answer={item}
-              contract={contract}
-              onAnswerCommentClick={onAnswerCommentClick}
-              color={getAnswerColor(item, answersArray)}
-            />
+            <OpenAnswer key={item.id} answer={item} contract={contract} />
          ))}
          {hasZeroBetAnswers && !showAllAnswers && (
            <Button
@ -167,9 +147,11 @@ export function AnswersPanel(props: {
        <div className="pb-4 text-gray-500">No answers yet...</div>
      )}

-      {outcomeType === 'FREE_RESPONSE' && tradingAllowed(contract) && (
-        <CreateAnswerPanel contract={contract} />
-      )}
+      {outcomeType === 'FREE_RESPONSE' &&
+        tradingAllowed(contract) &&
+        (!resolveOption || resolveOption === 'CANCEL') && (
+          <CreateAnswerPanel contract={contract} />
+        )}

      {(user?.id === creatorId || (isAdmin && needsAdminToResolve(contract))) &&
        !resolution && (
@ -192,18 +174,15 @@ export function AnswersPanel(props: {
 function OpenAnswer(props: {
  contract: FreeResponseContract | MultipleChoiceContract
  answer: Answer
-  color: string
-  onAnswerCommentClick: (answer: Answer) => void
 }) {
-  const { answer, contract, onAnswerCommentClick, color } = props
-  const { username, avatarUrl, text } = answer
+  const { answer, contract } = props
+  const { username, avatarUrl, name, text } = answer
  const prob = getDpmOutcomeProbability(contract.totalShares, answer.id)
  const probPercent = formatPercent(prob)
  const [open, setOpen] = useState(false)
-  const colorWidth = 100 * Math.max(prob, 0.01)

  return (
-    <Col className="my-1 px-2">
+    <Col className="border-base-200 bg-base-200 relative flex-1 rounded-md px-2">
      <Modal open={open} setOpen={setOpen} position="center">
        <AnswerBetPanel
          answer={answer}
@ -214,47 +193,40 @@ function OpenAnswer(props: {
        />
      </Modal>

-      <Col
-        className={clsx(
-          'relative w-full rounded-lg transition-all',
-          tradingAllowed(contract) ? 'text-greyscale-7' : 'text-greyscale-5'
-        )}
-        style={{
-          background: `linear-gradient(to right, ${color}90 ${colorWidth}%, #FBFBFF ${colorWidth}%)`,
-        }}
-      >
-        <Row className="z-20 -mb-1 justify-between gap-2 py-2 px-3">
-          <Row>
-            <Avatar
-              className="mt-0.5 mr-2 inline h-5 w-5 border border-transparent transition-transform hover:border-none"
-              username={username}
-              avatarUrl={avatarUrl}
-            />
-            <Linkify className="text-md whitespace-pre-line" text={text} />
-          </Row>
-          <Row className="gap-2">
-            <div className="my-auto text-xl">{probPercent}</div>
-            {tradingAllowed(contract) && (
-              <Button
-                size="2xs"
-                color="gray-outline"
+      <div
+        className="pointer-events-none absolute -mx-2 h-full rounded-tl-md bg-green-600 bg-opacity-10"
+        style={{ width: `${100 * Math.max(prob, 0.01)}%` }}
+      />
+
+      <Row className="my-4 gap-3">
+        <Avatar className="mx-1" username={username} avatarUrl={avatarUrl} />
+        <Col className="min-w-0 flex-1 lg:gap-1">
+          <div className="text-sm text-gray-500">
+            <UserLink username={username} name={name} /> answered
+          </div>
+
+          <Col className="align-items justify-between gap-4 sm:flex-row">
+            <Linkify className="whitespace-pre-line text-lg" text={text} />
+            <Row className="align-items items-center justify-end gap-4">
+              <span
+                className={clsx(
+                  'text-2xl',
+                  tradingAllowed(contract) ? 'text-primary' : 'text-gray-500'
+                )}
+              >
+                {probPercent}
+              </span>
+              <BuyButton
+                className={clsx(
+                  'btn-sm flex-initial !px-6 sm:flex',
+                  tradingAllowed(contract) ? '' : '!hidden'
+                )}
                onClick={() => setOpen(true)}
-                className="my-auto"
-              >
-                BUY
-              </Button>
-            )}
-            {
-              <button
-                className="p-1"
-                onClick={() => onAnswerCommentClick(answer)}
-              >
-                <ChatIcon className="text-greyscale-4 hover:text-greyscale-6 h-5 w-5 transition-colors" />
-              </button>
-            }
-          </Row>
-        </Row>
-      </Col>
+              />
+            </Row>
+          </Col>
+        </Col>
+      </Row>
    </Col>
  )
 }
--- a/web/components/answers/create-answer-panel.tsx
+++ b/web/components/answers/create-answer-panel.tsx
@ -1,5 +1,6 @@
 import clsx from 'clsx'
 import React, { useState } from 'react'
+import Textarea from 'react-expanding-textarea'
 import { findBestMatch } from 'string-similarity'

 import { FreeResponseContract } from 'common/contract'
@ -25,7 +26,6 @@ import { MAX_ANSWER_LENGTH } from 'common/answer'
 import { withTracking } from 'web/lib/service/analytics'
 import { lowerCase } from 'lodash'
 import { Button } from '../button'
-import { ExpandingInput } from '../expanding-input'

 export function CreateAnswerPanel(props: { contract: FreeResponseContract }) {
  const { contract } = props
@ -122,10 +122,10 @@ export function CreateAnswerPanel(props: { contract: FreeResponseContract }) {
    <Col className="gap-4 rounded">
      <Col className="flex-1 gap-2 px-4 xl:px-0">
        <div className="mb-1">Add your answer</div>
-        <ExpandingInput
+        <Textarea
          value={text}
          onChange={(e) => changeAnswer(e.target.value)}
-          className="w-full"
+          className="textarea textarea-bordered w-full resize-none"
          placeholder="Type your answer..."
          rows={1}
          maxLength={MAX_ANSWER_LENGTH}
@ -197,15 +197,17 @@ export function CreateAnswerPanel(props: { contract: FreeResponseContract }) {
            </>
          )}
          {user ? (
-            <Button
-              color="green"
-              size="lg"
-              loading={isSubmitting}
+            <button
+              className={clsx(
+                'btn mt-2',
+                canSubmit ? 'btn-outline' : 'btn-disabled',
+                isSubmitting && 'loading'
+              )}
              disabled={!canSubmit}
              onClick={withTracking(submitAnswer, 'submit answer')}
            >
              Submit
-            </Button>
+            </button>
          ) : (
            text && (
              <Button
--- a/web/components/answers/multiple-choice-answers.tsx
+++ b/web/components/answers/multiple-choice-answers.tsx
@ -1,8 +1,8 @@
 import { MAX_ANSWER_LENGTH } from 'common/answer'
+import Textarea from 'react-expanding-textarea'
 import { XIcon } from '@heroicons/react/solid'
 import { Col } from '../layout/col'
 import { Row } from '../layout/row'
-import { ExpandingInput } from '../expanding-input'

 export function MultipleChoiceAnswers(props: {
  answers: string[]
@ -27,10 +27,10 @@ export function MultipleChoiceAnswers(props: {
      {answers.map((answer, i) => (
        <Row className="mb-2 items-center gap-2 align-middle">
          {i + 1}.{' '}
-          <ExpandingInput
+          <Textarea
            value={answer}
            onChange={(e) => setAnswer(i, e.target.value)}
-            className="ml-2 w-full"
+            className="textarea textarea-bordered ml-2 w-full resize-none"
            placeholder="Type your answer..."
            rows={1}
            maxLength={MAX_ANSWER_LENGTH}
--- a/Show More
+++ b/Show More