Merge branch 'main' into loans2

.github/workflows/check.yml

@@ -52,4 +52,4 @@ jobs:
       - name: Run Typescript checker on cloud functions
         if: ${{ success() || failure() }}
         working-directory: functions
-        run: tsc --pretty --project tsconfig.json --noEmit
+        run: tsc -b -v --pretty

.github/workflows/format.yml

@@ -0,0 +1,43 @@
+name: Reformat main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  push:
+    branches: [main]
+
+env:
+  FORCE_COLOR: 3
+  NEXT_TELEMETRY_DISABLED: 1
+
+# mqp - i generated a personal token to use for these writes -- it's unclear
+# why, but the default token didn't work, even when i gave it max permissions
+
+jobs:
+  prettify:
+    name: Auto-prettify
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.FORMATTER_ACCESS_TOKEN }}
+      - name: Restore cached node_modules
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-${{ matrix.node-version }}-nodemodules-${{ hashFiles('**/yarn.lock') }}
+      - name: Install missing dependencies
+        run: yarn install --prefer-offline --frozen-lockfile
+      - name: Run Prettier on web client
+        working-directory: web
+        run: yarn format
+      - name: Commit any Prettier changes
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Auto-prettification
+          branch: ${{ github.head_ref }}

common/.eslintrc.js

@@ -1,6 +1,7 @@
 module.exports = {
   plugins: ['lodash'],
   extends: ['eslint:recommended'],
+  ignorePatterns: ['lib'],
   env: {
     browser: true,
     node: true,
@@ -31,6 +32,7 @@ module.exports = {
   rules: {
     'no-extra-semi': 'off',
     'no-constant-condition': ['error', { checkLoops: false }],
+    'linebreak-style': ['error', 'unix'],
     'lodash/import-scope': [2, 'member'],
   },
 }

common/.gitignore

@@ -1,6 +1,5 @@
 # Compiled JavaScript files
-lib/**/*.js
+lib/
-lib/**/*.js.map
 
 # TypeScript v1 declaration files
 typings/
@@ -10,4 +9,4 @@ node_modules/
 
 package-lock.json
 ui-debug.log
-firebase-debug.log
+firebase-debug.log

common/.yarnrc

@@ -0,0 +1 @@
+save-prefix ""

common/antes.ts

@@ -5,19 +5,19 @@ import {
   CPMMBinaryContract,
   DPMBinaryContract,
   FreeResponseContract,
+  MultipleChoiceContract,
   NumericContract,
 } from './contract'
 import { User } from './user'
 import { LiquidityProvision } from './liquidity-provision'
 import { noFees } from './fees'
+import { ENV_CONFIG } from './envs/constants'
+import { Answer } from './answer'
 
-export const FIXED_ANTE = 100
+export const FIXED_ANTE = ENV_CONFIG.fixedAnte ?? 100
-
-// deprecated
-export const PHANTOM_ANTE = 0.001
-export const MINIMUM_ANTE = 50
 
 export const HOUSE_LIQUIDITY_PROVIDER_ID = 'IPTOzEqrpkWmEzh6hwvAyY9PqFb2' // @ManifoldMarkets' id
+export const DEV_HOUSE_LIQUIDITY_PROVIDER_ID = '94YYTk1AFWfbWMpfYcvnnwI1veP2' // @ManifoldMarkets' id
 
 export function getCpmmInitialLiquidity(
   providerId: string,
@@ -113,6 +113,50 @@ export function getFreeAnswerAnte(
   return anteBet
 }
 
+export function getMultipleChoiceAntes(
+  creator: User,
+  contract: MultipleChoiceContract,
+  answers: string[],
+  betDocIds: string[]
+) {
+  const { totalBets, totalShares } = contract
+  const amount = totalBets['0']
+  const shares = totalShares['0']
+  const p = 1 / answers.length
+
+  const { createdTime } = contract
+
+  const bets: Bet[] = answers.map((answer, i) => ({
+    id: betDocIds[i],
+    userId: creator.id,
+    contractId: contract.id,
+    amount,
+    shares,
+    outcome: i.toString(),
+    probBefore: p,
+    probAfter: p,
+    createdTime,
+    isAnte: true,
+    fees: noFees,
+  }))
+
+  const { username, name, avatarUrl } = creator
+
+  const answerObjects: Answer[] = answers.map((answer, i) => ({
+    id: i.toString(),
+    number: i,
+    contractId: contract.id,
+    createdTime,
+    userId: creator.id,
+    username,
+    name,
+    avatarUrl,
+    text: answer,
+  }))
+
+  return { bets, answerObjects }
+}
+
 export function getNumericAnte(
   anteBettorId: string,
   contract: NumericContract,

common/api.ts

@@ -0,0 +1,24 @@
+import { ENV_CONFIG } from './envs/constants'
+
+export class APIError extends Error {
+  code: number
+  details?: unknown
+  constructor(code: number, message: string, details?: unknown) {
+    super(message)
+    this.code = code
+    this.name = 'APIError'
+    this.details = details
+  }
+}
+
+export function getFunctionUrl(name: string) {
+  if (process.env.NEXT_PUBLIC_FUNCTIONS_URL) {
+    return `${process.env.NEXT_PUBLIC_FUNCTIONS_URL}/${name}`
+  } else if (process.env.NEXT_PUBLIC_FIREBASE_EMULATE) {
+    const { projectId, region } = ENV_CONFIG.firebaseConfig
+    return `http://localhost:5001/${projectId}/${region}/${name}`
+  } else {
+    const { cloudRunId, cloudRunRegion } = ENV_CONFIG
+    return `https://${name}-${cloudRunId}-${cloudRunRegion}.a.run.app`
+  }
+}

common/bet.ts

@@ -4,6 +4,7 @@ export type Bet = {
   id: string
   userId: string
   contractId: string
+  createdTime: number
 
   amount: number // bet size; negative if SELL bet
   loanAmount?: number
@@ -25,12 +26,36 @@ export type Bet = {
   isAnte?: boolean
   isLiquidityProvision?: boolean
   isRedemption?: boolean
-
+  challengeSlug?: string
-  createdTime: number
+} & Partial<LimitProps>
-}
 
 export type NumericBet = Bet & {
   value: number
   allOutcomeShares: { [outcome: string]: number }
   allBetAmounts: { [outcome: string]: number }
 }
+
+// Binary market limit order.
+export type LimitBet = Bet & LimitProps
+
+type LimitProps = {
+  orderAmount: number // Amount of limit order.
+  limitProb: number // [0, 1]. Bet to this probability.
+  isFilled: boolean // Whether all of the bet amount has been filled.
+  isCancelled: boolean // Whether to prevent any further fills.
+  // A record of each transaction that partially (or fully) fills the orderAmount.
+  // I.e. A limit order could be filled by partially matching with several bets.
+  // Non-limit orders can also be filled by matching with multiple limit orders.
+  fills: fill[]
+}
+
+export type fill = {
+  // The id the bet matched against, or null if the bet was matched by the pool.
+  matchedBetId: string | null
+  amount: number
+  shares: number
+  timestamp: number
+  // If the fill is a sale, it means the matching bet has shares of the same outcome.
+  // I.e. -fill.shares === matchedBet.shares
+  isSale?: boolean
+}

common/calculate-cpmm.ts

@@ -1,10 +1,17 @@
-import { sum, groupBy, mapValues, sumBy, partition } from 'lodash'
+import { sum, groupBy, mapValues, sumBy } from 'lodash'
+import { LimitBet } from './bet'
 
-import { CPMMContract } from './contract'
+import { CREATOR_FEE, Fees, LIQUIDITY_FEE, PLATFORM_FEE } from './fees'
-import { CREATOR_FEE, Fees, LIQUIDITY_FEE, noFees, 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 }
+  p: number
+}
+
 export function getCpmmProbability(
   pool: { [outcome: string]: number },
   p: number
@@ -14,11 +21,11 @@ export function getCpmmProbability(
 }
 
 export function getCpmmProbabilityAfterBetBeforeFees(
-  contract: CPMMContract,
+  state: CpmmState,
   outcome: string,
   bet: number
 ) {
-  const { pool, p } = contract
+  const { pool, p } = state
   const shares = calculateCpmmShares(pool, p, bet, outcome)
   const { YES: y, NO: n } = pool
 
@@ -31,12 +38,12 @@ export function getCpmmProbabilityAfterBetBeforeFees(
 }
 
 export function getCpmmOutcomeProbabilityAfterBet(
-  contract: CPMMContract,
+  state: CpmmState,
   outcome: string,
   bet: number
 ) {
-  const { newPool } = calculateCpmmPurchase(contract, bet, outcome)
+  const { newPool } = calculateCpmmPurchase(state, bet, outcome)
-  const p = getCpmmProbability(newPool, contract.p)
+  const p = getCpmmProbability(newPool, state.p)
   return outcome === 'NO' ? 1 - p : p
 }
 
@@ -58,12 +65,8 @@ function calculateCpmmShares(
     : n + bet - (k * (bet + y) ** -p) ** (1 / (1 - p))
 }
 
-export function getCpmmLiquidityFee(
+export function getCpmmFees(state: CpmmState, bet: number, outcome: string) {
-  contract: CPMMContract,
+  const prob = getCpmmProbabilityAfterBetBeforeFees(state, outcome, bet)
-  bet: number,
-  outcome: string
-) {
-  const prob = getCpmmProbabilityAfterBetBeforeFees(contract, outcome, bet)
   const betP = outcome === 'YES' ? 1 - prob : prob
 
   const liquidityFee = LIQUIDITY_FEE * betP * bet
@@ -78,25 +81,23 @@ export function getCpmmLiquidityFee(
 }
 
 export function calculateCpmmSharesAfterFee(
-  contract: CPMMContract,
+  state: CpmmState,
   bet: number,
   outcome: string
 ) {
-  const { pool, p } = contract
+  const { pool, p } = state
-  const { remainingBet } = getCpmmLiquidityFee(contract, bet, outcome)
+  const { remainingBet } = getCpmmFees(state, bet, outcome)
 
   return calculateCpmmShares(pool, p, remainingBet, outcome)
 }
 
 export function calculateCpmmPurchase(
-  contract: CPMMContract,
+  state: CpmmState,
   bet: number,
   outcome: string
 ) {
-  const { pool, p } = contract
+  const { pool, p } = state
-  const { remainingBet, fees } = getCpmmLiquidityFee(contract, bet, outcome)
+  const { remainingBet, fees } = getCpmmFees(state, bet, outcome)
-  // const remainingBet = bet
-  // const fees = noFees
 
   const shares = calculateCpmmShares(pool, p, remainingBet, outcome)
   const { YES: y, NO: n } = pool
@@ -115,119 +116,112 @@ export function calculateCpmmPurchase(
   return { shares, newPool, newP, fees }
 }
 
-function computeK(y: number, n: number, p: number) {
+// Note: there might be a closed form solution for this.
-  return y ** p * n ** (1 - p)
+// If so, feel free to switch out this implementation.
-}
+export function calculateCpmmAmountToProb(
-
+  state: CpmmState,
-function sellSharesK(
+  prob: number,
-  y: number,
-  n: number,
-  p: number,
-  s: number,
-  outcome: 'YES' | 'NO',
-  b: number
-) {
-  return outcome === 'YES'
-    ? computeK(y - b + s, n - b, p)
-    : computeK(y - b, n - b + s, p)
-}
-
-function calculateCpmmShareValue(
-  contract: CPMMContract,
-  shares: number,
   outcome: 'YES' | 'NO'
 ) {
-  const { pool, p } = contract
+  if (prob <= 0 || prob >= 1 || isNaN(prob)) return Infinity
+  if (outcome === 'NO') prob = 1 - prob
 
-  // Find bet amount that preserves k after selling shares.
+  // First, find an upper bound that leads to a more extreme probability than prob.
-  const k = computeK(pool.YES, pool.NO, p)
+  let maxGuess = 10
-  const otherPool = outcome === 'YES' ? pool.NO : pool.YES
+  let newProb = 0
+  do {
+    maxGuess *= 10
+    newProb = getCpmmOutcomeProbabilityAfterBet(state, outcome, maxGuess)
+  } while (newProb < prob)
 
-  // Constrain the max sale value to the lessor of 1. shares and 2. the other pool.
+  // Then, binary search for the amount that gets closest to prob.
-  // This is because 1. the max value per share is M$ 1,
+  const amount = binarySearch(0, maxGuess, (amount) => {
-  // and 2. The other pool cannot go negative and the sale value is subtracted from it.
+    const newProb = getCpmmOutcomeProbabilityAfterBet(state, outcome, amount)
-  // (Without this, there are multiple solutions for the same k.)
+    return newProb - prob
-  let highAmount = Math.min(shares, otherPool)
+  })
-  let lowAmount = 0
-  let mid = 0
-  let kGuess = 0
-  while (true) {
-    mid = lowAmount + (highAmount - lowAmount) / 2
 
-    // Break once we've reached max precision.
+  return amount
-    if (mid === lowAmount || mid === highAmount) break
+}
 
-    kGuess = sellSharesK(pool.YES, pool.NO, p, shares, outcome, mid)
+function calculateAmountToBuyShares(
-    if (kGuess < k) {
+  state: CpmmState,
-      highAmount = mid
+  shares: number,
-    } else {
+  outcome: 'YES' | 'NO',
-      lowAmount = mid
+  unfilledBets: LimitBet[]
-    }
+) {
-  }
+  // Search for amount between bounds (0, shares).
-  return mid
+  // Min share price is M$0, and max is M$1 each.
+  return binarySearch(0, shares, (amount) => {
+    const { takers } = computeFills(
+      outcome,
+      amount,
+      state,
+      undefined,
+      unfilledBets
+    )
+
+    const totalShares = sumBy(takers, (taker) => taker.shares)
+    return totalShares - shares
+  })
 }
 
 export function calculateCpmmSale(
-  contract: CPMMContract,
+  state: CpmmState,
   shares: number,
-  outcome: string
+  outcome: 'YES' | 'NO',
+  unfilledBets: LimitBet[]
 ) {
   if (Math.round(shares) < 0) {
     throw new Error('Cannot sell non-positive shares')
   }
 
-  const saleValue = calculateCpmmShareValue(
+  const oppositeOutcome = outcome === 'YES' ? 'NO' : 'YES'
-    contract,
+  const buyAmount = calculateAmountToBuyShares(
+    state,
     shares,
-    outcome as 'YES' | 'NO'
+    oppositeOutcome,
+    unfilledBets
   )
 
-  const fees = noFees
+  const { cpmmState, makers, takers, totalFees } = computeFills(
+    oppositeOutcome,
+    buyAmount,
+    state,
+    undefined,
+    unfilledBets
+  )
 
-  // const { fees, remainingBet: saleValue } = getCpmmLiquidityFee(
+  // Transform buys of opposite outcome into sells.
-  //   contract,
+  const saleTakers = takers.map((taker) => ({
-  //   rawSaleValue,
+    ...taker,
-  //   outcome === 'YES' ? 'NO' : 'YES'
+    // You bought opposite shares, which combine with existing shares, removing them.
-  // )
+    shares: -taker.shares,
+    // Opposite shares combine with shares you are selling for M$ of shares.
+    // You paid taker.amount for the opposite shares.
+    // Take the negative because this is money you gain.
+    amount: -(taker.shares - taker.amount),
+    isSale: true,
+  }))
 
-  const { pool } = contract
+  const saleValue = -sumBy(saleTakers, (taker) => taker.amount)
-  const { YES: y, NO: n } = pool
 
-  const { liquidityFee: fee } = fees
+  return {
-
+    saleValue,
-  const [newY, newN] =
+    cpmmState,
-    outcome === 'YES'
+    fees: totalFees,
-      ? [y + shares - saleValue + fee, n - saleValue + fee]
+    makers,
-      : [y - saleValue + fee, n + shares - saleValue + fee]
+    takers: saleTakers,
-
-  if (newY < 0 || newN < 0) {
-    console.log('calculateCpmmSale', {
-      newY,
-      newN,
-      y,
-      n,
-      shares,
-      saleValue,
-      fee,
-      outcome,
-    })
-    throw new Error('Cannot sell more than in pool')
   }
-
-  const postBetPool = { YES: newY, NO: newN }
-
-  const { newPool, newP } = addCpmmLiquidity(postBetPool, contract.p, fee)
-
-  return { saleValue, newPool, newP, fees }
 }
 
 export function getCpmmProbabilityAfterSale(
-  contract: CPMMContract,
+  state: CpmmState,
   shares: number,
-  outcome: 'YES' | 'NO'
+  outcome: 'YES' | 'NO',
+  unfilledBets: LimitBet[]
 ) {
-  const { newPool } = calculateCpmmSale(contract, shares, outcome)
+  const { cpmmState } = calculateCpmmSale(state, shares, outcome, unfilledBets)
-  return getCpmmProbability(newPool, contract.p)
+  return getCpmmProbability(cpmmState.pool, cpmmState.p)
 }
 
 export function getCpmmLiquidity(
@@ -271,22 +265,24 @@ const calculateLiquidityDelta = (p: number) => (l: LiquidityProvision) => {
 }
 
 export function getCpmmLiquidityPoolWeights(
-  contract: CPMMContract,
+  state: CpmmState,
-  liquidities: LiquidityProvision[]
+  liquidities: LiquidityProvision[],
+  excludeAntes: boolean
 ) {
-  const [antes, nonAntes] = partition(liquidities, (l) => !!l.isAnte)
+  const calcLiqudity = calculateLiquidityDelta(state.p)
+  const liquidityShares = liquidities.map(calcLiqudity)
+  const shareSum = sum(liquidityShares)
 
-  const calcLiqudity = calculateLiquidityDelta(contract.p)
+  const weights = liquidityShares.map((shares, i) => ({
-  const liquidityShares = nonAntes.map(calcLiqudity)
+    weight: shares / shareSum,
-
+    providerId: liquidities[i].userId,
-  const shareSum = sum(liquidityShares) + sum(antes.map(calcLiqudity))
-
-  const weights = liquidityShares.map((s, i) => ({
-    weight: s / shareSum,
-    providerId: nonAntes[i].userId,
   }))
 
-  const userWeights = groupBy(weights, (w) => w.providerId)
+  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)
   )
@@ -295,11 +291,12 @@ export function getCpmmLiquidityPoolWeights(
 
 export function getUserLiquidityShares(
   userId: string,
-  contract: CPMMContract,
+  state: CpmmState,
-  liquidities: LiquidityProvision[]
+  liquidities: LiquidityProvision[],
+  excludeAntes: boolean
 ) {
-  const weights = getCpmmLiquidityPoolWeights(contract, liquidities)
+  const weights = getCpmmLiquidityPoolWeights(state, liquidities, excludeAntes)
   const userWeight = weights[userId] ?? 0
 
-  return mapValues(contract.pool, (shares) => userWeight * shares)
+  return mapValues(state.pool, (shares) => userWeight * shares)
 }

common/calculate-dpm.ts

@@ -2,7 +2,7 @@ import { cloneDeep, range, sum, sumBy, sortBy, mapValues } from 'lodash'
 import { Bet, NumericBet } from './bet'
 import { DPMContract, DPMBinaryContract, NumericContract } from './contract'
 import { DPM_FEES } from './fees'
-import { normpdf } from '../common/util/math'
+import { normpdf } from './util/math'
 import { addObjects } from './util/object'
 
 export function getDpmProbability(totalShares: { [outcome: string]: number }) {

common/calculate.ts

@@ -1,5 +1,5 @@
 import { maxBy } from 'lodash'
-import { Bet } from './bet'
+import { Bet, LimitBet } from './bet'
 import {
   calculateCpmmSale,
   getCpmmProbability,
@@ -18,15 +18,26 @@ import {
   getDpmProbabilityAfterSale,
 } from './calculate-dpm'
 import { calculateFixedPayout } from './calculate-fixed-payouts'
-import { Contract, BinaryContract, FreeResponseContract } from './contract'
+import {
+  Contract,
+  BinaryContract,
+  FreeResponseContract,
+  PseudoNumericContract,
+  MultipleChoiceContract,
+} from './contract'
+import { floatingEqual } from './util/math'
 
-export function getProbability(contract: BinaryContract) {
+export function getProbability(
+  contract: BinaryContract | PseudoNumericContract
+) {
   return contract.mechanism === 'cpmm-1'
     ? getCpmmProbability(contract.pool, contract.p)
     : getDpmProbability(contract.totalShares)
 }
 
-export function getInitialProbability(contract: BinaryContract) {
+export function getInitialProbability(
+  contract: BinaryContract | PseudoNumericContract
+) {
   if (contract.initialProbability) return contract.initialProbability
 
   if (contract.mechanism === 'dpm-2' || (contract as any).totalShares)
@@ -64,9 +75,20 @@ export function calculateShares(
     : calculateDpmShares(contract.totalShares, bet, betChoice)
 }
 
-export function calculateSaleAmount(contract: Contract, bet: Bet) {
+export function calculateSaleAmount(
-  return contract.mechanism === 'cpmm-1' && contract.outcomeType === 'BINARY'
+  contract: Contract,
-    ? calculateCpmmSale(contract, Math.abs(bet.shares), bet.outcome).saleValue
+  bet: Bet,
+  unfilledBets: LimitBet[]
+) {
+  return contract.mechanism === 'cpmm-1' &&
+    (contract.outcomeType === 'BINARY' ||
+      contract.outcomeType === 'PSEUDO_NUMERIC')
+    ? calculateCpmmSale(
+        contract,
+        Math.abs(bet.shares),
+        bet.outcome as 'YES' | 'NO',
+        unfilledBets
+      ).saleValue
     : calculateDpmSaleAmount(contract, bet)
 }
 
@@ -79,15 +101,23 @@ export function calculatePayoutAfterCorrectBet(contract: Contract, bet: Bet) {
 export function getProbabilityAfterSale(
   contract: Contract,
   outcome: string,
-  shares: number
+  shares: number,
+  unfilledBets: LimitBet[]
 ) {
   return contract.mechanism === 'cpmm-1'
-    ? getCpmmProbabilityAfterSale(contract, shares, outcome as 'YES' | 'NO')
+    ? getCpmmProbabilityAfterSale(
+        contract,
+        shares,
+        outcome as 'YES' | 'NO',
+        unfilledBets
+      )
     : getDpmProbabilityAfterSale(contract.totalShares, outcome, shares)
 }
 
 export function calculatePayout(contract: Contract, bet: Bet, outcome: string) {
-  return contract.mechanism === 'cpmm-1' && contract.outcomeType === 'BINARY'
+  return contract.mechanism === 'cpmm-1' &&
+    (contract.outcomeType === 'BINARY' ||
+      contract.outcomeType === 'PSEUDO_NUMERIC')
     ? calculateFixedPayout(contract, bet, outcome)
     : calculateDpmPayout(contract, bet, outcome)
 }
@@ -96,7 +126,9 @@ export function resolvedPayout(contract: Contract, bet: Bet) {
   const outcome = contract.resolution
   if (!outcome) throw new Error('Contract not resolved')
 
-  return contract.mechanism === 'cpmm-1' && contract.outcomeType === 'BINARY'
+  return contract.mechanism === 'cpmm-1' &&
+    (contract.outcomeType === 'BINARY' ||
+      contract.outcomeType === 'PSEUDO_NUMERIC')
     ? calculateFixedPayout(contract, bet, outcome)
     : calculateDpmPayout(contract, bet, outcome)
 }
@@ -143,7 +175,7 @@ export function getContractBetMetrics(contract: Contract, yourBets: Bet[]) {
   const profitPercent = (profit / totalInvested) * 100
 
   const hasShares = Object.values(totalShares).some(
-    (shares) => shares > 0
+    (shares) => !floatingEqual(shares, 0)
   )
 
   return {
@@ -169,7 +201,9 @@ export function getContractBetNullMetrics() {
   }
 }
 
-export function getTopAnswer(contract: FreeResponseContract) {
+export function getTopAnswer(
+  contract: FreeResponseContract | MultipleChoiceContract
+) {
   const { answers } = contract
   const top = maxBy(
     answers?.map((answer) => ({

common/categories.ts

@@ -1,5 +1,7 @@
 import { difference } from 'lodash'
 
+export const CATEGORIES_GROUP_SLUG_POSTFIX = '-default'
+
 export const CATEGORIES = {
   politics: 'Politics',
   technology: 'Technology',
@@ -24,9 +26,18 @@ export const TO_CATEGORY = Object.fromEntries(
 
 export const CATEGORY_LIST = Object.keys(CATEGORIES)
 
-export const EXCLUDED_CATEGORIES: category[] = ['fun', 'manifold', 'personal']
+export const EXCLUDED_CATEGORIES: category[] = [
+  'fun',
+  'manifold',
+  'personal',
+  'covid',
+  'gaming',
+  'crypto',
+]
 
-export const DEFAULT_CATEGORIES = difference(
+export const DEFAULT_CATEGORIES = difference(CATEGORY_LIST, EXCLUDED_CATEGORIES)
-  CATEGORY_LIST,
+
-  EXCLUDED_CATEGORIES
+export const DEFAULT_CATEGORY_GROUPS = DEFAULT_CATEGORIES.map((c) => ({
-)
+  slug: c.toLowerCase() + CATEGORIES_GROUP_SLUG_POSTFIX,
+  name: CATEGORIES[c as category],
+}))

common/challenge.ts

@@ -0,0 +1,65 @@
+import { IS_PRIVATE_MANIFOLD } from './envs/constants'
+
+export type Challenge = {
+  // The link to send: https://manifold.markets/challenges/username/market-slug/{slug}
+  // Also functions as the unique id for the link.
+  slug: string
+
+  // The user that created the challenge.
+  creatorId: string
+  creatorUsername: string
+  creatorName: string
+  creatorAvatarUrl?: string
+
+  // Displayed to people claiming the challenge
+  message: string
+
+  // How much to put up
+  creatorAmount: number
+
+  // YES or NO for now
+  creatorOutcome: string
+
+  // Different than the creator
+  acceptorOutcome: string
+  acceptorAmount: number
+
+  // The probability the challenger thinks
+  creatorOutcomeProb: number
+
+  contractId: string
+  contractSlug: string
+  contractQuestion: string
+  contractCreatorUsername: string
+
+  createdTime: number
+  // If null, the link is valid forever
+  expiresTime: number | null
+
+  // How many times the challenge can be used
+  maxUses: number
+
+  // Used for simpler caching
+  acceptedByUserIds: string[]
+  // Successful redemptions of the link
+  acceptances: Acceptance[]
+
+  // TODO: will have to fill this on resolve contract
+  isResolved: boolean
+  resolutionOutcome?: string
+}
+
+export type Acceptance = {
+  // User that accepted the challenge
+  userId: string
+  userUsername: string
+  userName: string
+  userAvatarUrl: string
+
+  // The ID of the successful bet that tracks the money moved
+  betId: string
+
+  createdTime: number
+}
+
+export const CHALLENGES_ENABLED = !IS_PRIVATE_MANIFOLD

common/charity.ts

@@ -169,7 +169,7 @@ export const charities: Charity[] = [
   {
     name: "Founder's Pledge Climate Change Fund",
     website: 'https://founderspledge.com/funds/climate-change-fund',
-    photo: 'https://i.imgur.com/ZAhzHu4.png',
+    photo: 'https://i.imgur.com/9turaJW.png',
     preview:
       'The Climate Change Fund aims to sustainably reach net-zero emissions globally, while still allowing growth to free millions from energy poverty.',
     description: `The Climate Change Fund aims to sustainably reach net-zero emissions globally.
@@ -183,7 +183,7 @@ export const charities: Charity[] = [
   {
     name: "Founder's Pledge Patient Philanthropy Fund",
     website: 'https://founderspledge.com/funds/patient-philanthropy-fund',
-    photo: 'https://i.imgur.com/ZAhzHu4.png',
+    photo: 'https://i.imgur.com/LLR6CI6.png',
     preview:
       'The Patient Philanthropy Project aims to safeguard and benefit the long-term future of humanity',
     description: `The Patient Philanthropy Project focuses on how we can collectively grow our resources to support the long-term flourishing of humanity. It addresses a crucial gap: as a society, we spend much too little on safeguarding and benefiting future generations. In fact, we spend more money on ice cream each year than we do on preventing our own extinction. However, people in the future - who do not have a voice in their future survival or environment - matter. Lots of them may yet come into existence and we have the ability to positively affect their lives now, if only by making sure we avoid major catastrophes that could destroy our common future.
@@ -300,10 +300,29 @@ Future plans: We expect to focus on similar theoretical problems in alignment un
     name: 'Wild Animal Initiative',
     website: 'https://www.wildanimalinitiative.org/',
     ein: '82-2281466',
+    tags: ['Featured'] as CharityTag[],
     photo: 'https://i.imgur.com/bOVUnDm.png',
-    preview: 'We want to make life better for wild animals.',
+    preview:
-    description:
+      'Our mission is to understand and improve the lives of wild animals.',
-      'Wild Animal Initiative (WAI) currently operates in the U.S., where they work to strengthen the animal advocacy movement through creating an academic field dedicated to wild animal welfare. They compile literature reviews, write theoretical and opinion articles, and publish research results on their website and/or in peer-reviewed journals. WAI focuses on identifying and sharing possible research avenues and connecting with more established fields. They also work with researchers from various academic and non-academic institutions to identify potential collaborators, and they recently launched a grant assistance program.',
+    description: `Although the natural world is a source of great beauty and happiness, vast numbers of animals routinely face serious challenges such as disease, hunger, or natural disasters. There is no “one-size-fits-all” solution to these threats. However, even as we recognize that improving the welfare of free-ranging wild animals is difficult, we believe that humans have a responsibility to help whenever we can.
+
+Our staff explores how humans can beneficially coexist with animals through the lens of wild animal welfare. 
+
+We respect wild animals as individuals with their own needs and preferences, rather than seeing them as mere parts of ecosystems. But this approach demands a richer understanding of wild animals’ lives. 
+
+We want to take a proactive approach to managing the welfare benefits, threats, and uncertainties that are inherent to complex natural and urban environments. Yet, to take action safely, we must conduct research to understand the impacts of our actions. The transdisciplinary perspective of wild animal welfare draws upon ethics, ecology, and animal welfare science to gather the knowledge we need, facilitating evidence-based improvements to wild animals’ quality of life.
+
+Without sufficient public interest or research activity, solutions to the problems wild animals face will go undiscovered. 
+
+Wild Animal Initiative currently focuses on helping scientists, grantors, and decision-makers investigate important and understudied questions about wild animal welfare. Our work catalyzes research and applied projects that will open the door to a clearer picture of wild animals’ needs and how to enhance their well-being. Ultimately, we envision a world in which people actively choose to help wild animals — and have the knowledge they need to do so responsibly.`,
+  },
+  {
+    name: 'FYXX Foundation',
+    website: 'https://www.fyxxfoundation.org/',
+    photo: 'https://i.imgur.com/ROmWO7m.png',
+    preview:
+      'FYXX Foundation: wildlife population management, without killing.',
+    description: `The future of our planet depends on the innovations of today, and the health of our wildlife are the first indication of our successful stewardship, which we believe can be improved by safe population management utilizing fertility control instead of poison and culling.`,
   },
   {
     name: 'New Incentives',
@@ -516,6 +535,36 @@ The American Civil Liberties Union is our nation's guardian of liberty, working
 
 The U.S. Constitution and the Bill of Rights trumpet our aspirations for the kind of society that we want to be. But for much of our history, our nation failed to fulfill the promise of liberty for whole groups of people.`,
   },
+  {
+    name: 'The Center for Election Science',
+    website: 'https://electionscience.org/',
+    photo: 'https://i.imgur.com/WvdHHZa.png',
+    preview:
+      'The Center for Election Science is a nonpartisan nonprofit dedicated to empowering voters with voting methods that strengthen democracy. We believe you deserve a vote that empowers you to impact the world you live in.',
+    description: `Founded in 2011, The Center for Election Science is a national, nonpartisan nonprofit focused on voting reform.
+
+Our Mission — To empower people with voting methods that strengthen democracy.
+
+Our Vision — A world where democracies thrive because voters’ voices are heard.
+
+With an emphasis on approval voting, we bring better elections to people across the country through both advocacy and research.
+
+The movement for a better way to vote is rapidly gaining momentum as voters grow tired of election results that don’t represent the will of the people. In 2018, we worked with locals in Fargo, ND to help them become the first city in the U.S. to adopt approval voting. And in 2020, we helped grassroots activists empower the 300k people of St. Louis, MO with stronger democracy through approval voting.`,
+  },
+  {
+    name: 'Founders Pledge Global Health and Development Fund',
+    website: 'https://founderspledge.com/funds/global-health-and-development',
+    photo: 'https://i.imgur.com/EXbxH7T.png',
+    preview:
+      'Tackling the vast global inequalities in health, wealth and opportunity',
+    description: `Nearly half the world lives on less than $2.50 a day, yet giving by the world’s richest often overlooks the world’s poorest and most vulnerable. Despite the average American household being richer than 90% of the rest of the world, only 6% of US charitable giving goes to charities which work internationally.
+
+This Fund is focused on helping those who need it most, wherever that help can make the biggest difference. By building a mixed portfolio of direct and indirect interventions, such as policy work, we aim to:
+
+Improve the lives of the world's most vulnerable people.
+Reduce the number of easily preventable deaths worldwide.
+Work towards sustainable, systemic change.`,
+  },
 ].map((charity) => {
   const slug = charity.name.toLowerCase().replace(/\s/g, '-')
   return {

common/comment.ts

@@ -1,3 +1,5 @@
+import type { JSONContent } from '@tiptap/core'
+
 // Currently, comments are created after the bet, not atomically with the bet.
 // They're uniquely identified by the pair contractId/betId.
 export type Comment = {
@@ -9,7 +11,9 @@ export type Comment = {
   replyToCommentId?: string
   userId: string
 
-  text: string
+  /** @deprecated - content now stored as JSON in content*/
+  text?: string
+  content: JSONContent
   createdTime: number
 
   // Denormalized, for rendering comments

common/contract.ts

@@ -1,13 +1,22 @@
 import { Answer } from './answer'
 import { Fees } from './fees'
+import { JSONContent } from '@tiptap/core'
+import { GroupLink } from 'common/group'
 
 export type AnyMechanism = DPM | CPMM
-export type AnyOutcomeType = Binary | FreeResponse | Numeric
+export type AnyOutcomeType =
+  | Binary
+  | MultipleChoice
+  | PseudoNumeric
+  | FreeResponse
+  | Numeric
 export type AnyContractType =
   | (CPMM & Binary)
+  | (CPMM & PseudoNumeric)
   | (DPM & Binary)
   | (DPM & FreeResponse)
   | (DPM & Numeric)
+  | (DPM & MultipleChoice)
 
 export type Contract<T extends AnyContractType = AnyContractType> = {
   id: string
@@ -19,7 +28,7 @@ export type Contract<T extends AnyContractType = AnyContractType> = {
   creatorAvatarUrl?: string
 
   question: string
-  description: string // More info about what the contract is about
+  description: string | JSONContent // More info about what the contract is about
   tags: string[]
   lowercaseTags: string[]
   visibility: 'public' | 'unlisted'
@@ -33,7 +42,7 @@ export type Contract<T extends AnyContractType = AnyContractType> = {
   isResolved: boolean
   resolutionTime?: number // When the contract creator resolved the market
   resolution?: string
-  resolutionProbability?: number,
+  resolutionProbability?: number
 
   closeEmailsSent?: number
 
@@ -42,11 +51,19 @@ export type Contract<T extends AnyContractType = AnyContractType> = {
   volume7Days: number
 
   collectedFees: Fees
+
+  groupSlugs?: string[]
+  groupLinks?: GroupLink[]
+  uniqueBettorIds?: string[]
+  uniqueBettorCount?: number
+  popularityScore?: number
 } & T
 
 export type BinaryContract = Contract & Binary
+export type PseudoNumericContract = Contract & PseudoNumeric
 export type NumericContract = Contract & Numeric
 export type FreeResponseContract = Contract & FreeResponse
+export type MultipleChoiceContract = Contract & MultipleChoice
 export type DPMContract = Contract & DPM
 export type CPMMContract = Contract & CPMM
 export type DPMBinaryContract = BinaryContract & DPM
@@ -75,6 +92,18 @@ export type Binary = {
   resolution?: resolution
 }
 
+export type PseudoNumeric = {
+  outcomeType: 'PSEUDO_NUMERIC'
+  min: number
+  max: number
+  isLogScale: boolean
+  resolutionValue?: number
+
+  // same as binary market; map everything to probability
+  initialProbability: number
+  resolutionProbability?: number
+}
+
 export type FreeResponse = {
   outcomeType: 'FREE_RESPONSE'
   answers: Answer[] // Used for outcomeType 'FREE_RESPONSE'.
@@ -82,6 +111,13 @@ export type FreeResponse = {
   resolutions?: { [outcome: string]: number } // Used for MKT resolution.
 }
 
+export type MultipleChoice = {
+  outcomeType: 'MULTIPLE_CHOICE'
+  answers: Answer[]
+  resolution?: string | 'MKT' | 'CANCEL'
+  resolutions?: { [outcome: string]: number } // Used for MKT resolution.
+}
+
 export type Numeric = {
   outcomeType: 'NUMERIC'
   bucketCount: number
@@ -94,10 +130,16 @@ export type Numeric = {
 export type outcomeType = AnyOutcomeType['outcomeType']
 export type resolution = 'YES' | 'NO' | 'MKT' | 'CANCEL'
 export const RESOLUTIONS = ['YES', 'NO', 'MKT', 'CANCEL'] as const
-export const OUTCOME_TYPES = ['BINARY', 'FREE_RESPONSE', 'NUMERIC'] as const
+export const OUTCOME_TYPES = [
+  'BINARY',
+  'MULTIPLE_CHOICE',
+  'FREE_RESPONSE',
+  'PSEUDO_NUMERIC',
+  'NUMERIC',
+] as const
 
 export const MAX_QUESTION_LENGTH = 480
-export const MAX_DESCRIPTION_LENGTH = 10000
+export const MAX_DESCRIPTION_LENGTH = 16000
 export const MAX_TAG_LENGTH = 60
 
 export const CPMM_MIN_POOL_QTY = 0.01

common/envs/constants.ts

@@ -25,6 +25,10 @@ export function isAdmin(email: string) {
   return ENV_CONFIG.adminEmails.includes(email)
 }
 
+export function isManifoldId(userId: string) {
+  return userId === 'IPTOzEqrpkWmEzh6hwvAyY9PqFb2'
+}
+
 export const DOMAIN = ENV_CONFIG.domain
 export const FIREBASE_CONFIG = ENV_CONFIG.firebaseConfig
 export const PROJECT_ID = ENV_CONFIG.firebaseConfig.projectId
@@ -34,5 +38,9 @@ export const IS_PRIVATE_MANIFOLD = ENV_CONFIG.visibility === 'PRIVATE'
 export const CORS_ORIGIN_MANIFOLD = new RegExp(
   '^https?://(?:[a-zA-Z0-9\\-]+\\.)*' + escapeRegExp(ENV_CONFIG.domain) + '$'
 )
+// Vercel deployments, used for testing.
+export const CORS_ORIGIN_VERCEL = new RegExp(
+  '^https?://[a-zA-Z0-9\\-]+' + escapeRegExp('mantic.vercel.app') + '$'
+)
 // Any localhost server on any port
 export const CORS_ORIGIN_LOCALHOST = /^http:\/\/localhost:\d+$/

common/envs/dev.ts

@@ -2,6 +2,7 @@ import { EnvConfig, PROD_CONFIG } from './prod'
 
 export const DEV_CONFIG: EnvConfig = {
   ...PROD_CONFIG,
+  domain: 'dev.manifold.markets',
   firebaseConfig: {
     apiKey: 'AIzaSyBoq3rzUa8Ekyo3ZaTnlycQYPRCA26VpOw',
     authDomain: 'dev-mantic-markets.firebaseapp.com',

common/envs/prod.ts

@@ -18,13 +18,18 @@ export type EnvConfig = {
   faviconPath?: string // Should be a file in /public
   navbarLogoPath?: string
   newQuestionPlaceholders: string[]
+
+  // Currency controls
+  fixedAnte?: number
+  startingBalance?: number
+  referralBonus?: number
 }
 
 type FirebaseConfig = {
   apiKey: string
   authDomain: string
   projectId: string
-  region: string
+  region?: string
   storageBucket: string
   messagingSenderId: string
   appId: string

common/group.ts

@@ -9,7 +9,21 @@ export type Group = {
   memberIds: string[] // User ids
   anyoneCanJoin: boolean
   contractIds: string[]
+
+  chatDisabled?: boolean
+  mostRecentChatActivityTime?: number
+  mostRecentContractAddedTime?: number
 }
 export const MAX_GROUP_NAME_LENGTH = 75
 export const MAX_ABOUT_LENGTH = 140
 export const MAX_ID_LENGTH = 60
+export const NEW_USER_GROUP_SLUGS = ['updates', 'bugs', 'welcome']
+export const GROUP_CHAT_SLUG = 'chat'
+
+export type GroupLink = {
+  slug: string
+  name: string
+  groupId: string
+  createdTime: number
+  userId?: string
+}

common/new-bet.ts

@@ -1,4 +1,6 @@
-import { Bet, NumericBet } from './bet'
+import { sortBy, sum, sumBy } from 'lodash'
+
+import { Bet, fill, LimitBet, NumericBet } from './bet'
 import {
   calculateDpmShares,
   getDpmProbability,
@@ -6,20 +8,32 @@ import {
   getNumericBets,
   calculateNumericDpmShares,
 } from './calculate-dpm'
-import { calculateCpmmPurchase, getCpmmProbability } from './calculate-cpmm'
+import {
+  calculateCpmmAmountToProb,
+  calculateCpmmPurchase,
+  CpmmState,
+  getCpmmProbability,
+} from './calculate-cpmm'
 import {
   CPMMBinaryContract,
   DPMBinaryContract,
   FreeResponseContract,
+  MultipleChoiceContract,
   NumericContract,
+  PseudoNumericContract,
 } from './contract'
 import { noFees } from './fees'
-import { addObjects } from './util/object'
+import { addObjects, removeUndefinedProps } from './util/object'
 import { NUMERIC_FIXED_VAR } from './numeric-constants'
+import {
+  floatingEqual,
+  floatingGreaterEqual,
+  floatingLesserEqual,
+} from './util/math'
 
-export type CandidateBet<T extends Bet> = Omit<T, 'id' | 'userId'>
+export type CandidateBet<T extends Bet = Bet> = Omit<T, 'id' | 'userId'>
 export type BetInfo = {
-  newBet: CandidateBet<Bet>
+  newBet: CandidateBet
   newPool?: { [outcome: string]: number }
   newTotalShares?: { [outcome: string]: number }
   newTotalBets?: { [outcome: string]: number }
@@ -27,37 +41,236 @@ export type BetInfo = {
   newP?: number
 }
 
-export const getNewBinaryCpmmBetInfo = (
+const computeFill = (
-  outcome: 'YES' | 'NO',
   amount: number,
-  contract: CPMMBinaryContract
+  outcome: 'YES' | 'NO',
+  limitProb: number | undefined,
+  cpmmState: CpmmState,
+  matchedBet: LimitBet | undefined
 ) => {
-  const { shares, newPool, newP, fees } = calculateCpmmPurchase(
+  const prob = getCpmmProbability(cpmmState.pool, cpmmState.p)
-    contract,
-    amount,
-    outcome
-  )
 
-  const { pool, p, totalLiquidity } = contract
+  if (
-  const probBefore = getCpmmProbability(pool, p)
+    limitProb !== undefined &&
-  const probAfter = getCpmmProbability(newPool, newP)
+    (outcome === 'YES'
-
+      ? floatingGreaterEqual(prob, limitProb) &&
-  const newBet: CandidateBet<Bet> = {
+        (matchedBet?.limitProb ?? 1) > limitProb
-    contractId: contract.id,
+      : floatingLesserEqual(prob, limitProb) &&
-    amount,
+        (matchedBet?.limitProb ?? 0) < limitProb)
-    shares,
+  ) {
-    outcome,
+    // No fill.
-    fees,
+    return undefined
-    loanAmount: 0,
-    probBefore,
-    probAfter,
-    createdTime: Date.now(),
   }
 
-  const { liquidityFee } = fees
+  const timestamp = Date.now()
-  const newTotalLiquidity = (totalLiquidity ?? 0) + liquidityFee
 
-  return { newBet, newPool, newP, newTotalLiquidity }
+  if (
+    !matchedBet ||
+    (outcome === 'YES'
+      ? !floatingGreaterEqual(prob, matchedBet.limitProb)
+      : !floatingLesserEqual(prob, matchedBet.limitProb))
+  ) {
+    // Fill from pool.
+    const limit = !matchedBet
+      ? limitProb
+      : outcome === 'YES'
+      ? Math.min(matchedBet.limitProb, limitProb ?? 1)
+      : Math.max(matchedBet.limitProb, limitProb ?? 0)
+
+    const buyAmount =
+      limit === undefined
+        ? amount
+        : Math.min(amount, calculateCpmmAmountToProb(cpmmState, limit, outcome))
+
+    const { shares, newPool, newP, fees } = calculateCpmmPurchase(
+      cpmmState,
+      buyAmount,
+      outcome
+    )
+    const newState = { pool: newPool, p: newP }
+
+    return {
+      maker: {
+        matchedBetId: null,
+        shares,
+        amount: buyAmount,
+        state: newState,
+        fees,
+        timestamp,
+      },
+      taker: {
+        matchedBetId: null,
+        shares,
+        amount: buyAmount,
+        timestamp,
+      },
+    }
+  }
+
+  // Fill from matchedBet.
+  const matchRemaining = matchedBet.orderAmount - matchedBet.amount
+  const shares = Math.min(
+    amount /
+      (outcome === 'YES' ? matchedBet.limitProb : 1 - matchedBet.limitProb),
+    matchRemaining /
+      (outcome === 'YES' ? 1 - matchedBet.limitProb : matchedBet.limitProb)
+  )
+
+  const maker = {
+    bet: matchedBet,
+    matchedBetId: 'taker',
+    amount:
+      shares *
+      (outcome === 'YES' ? 1 - matchedBet.limitProb : matchedBet.limitProb),
+    shares,
+    timestamp,
+  }
+  const taker = {
+    matchedBetId: matchedBet.id,
+    amount:
+      shares *
+      (outcome === 'YES' ? matchedBet.limitProb : 1 - matchedBet.limitProb),
+    shares,
+    timestamp,
+  }
+  return { maker, taker }
+}
+
+export const computeFills = (
+  outcome: 'YES' | 'NO',
+  betAmount: number,
+  state: CpmmState,
+  limitProb: number | undefined,
+  unfilledBets: LimitBet[]
+) => {
+  if (isNaN(betAmount)) {
+    throw new Error('Invalid bet amount: ${betAmount}')
+  }
+  if (isNaN(limitProb ?? 0)) {
+    throw new Error('Invalid limitProb: ${limitProb}')
+  }
+
+  const sortedBets = sortBy(
+    unfilledBets.filter((bet) => bet.outcome !== outcome),
+    (bet) => (outcome === 'YES' ? bet.limitProb : -bet.limitProb),
+    (bet) => bet.createdTime
+  )
+
+  const takers: fill[] = []
+  const makers: {
+    bet: LimitBet
+    amount: number
+    shares: number
+    timestamp: number
+  }[] = []
+
+  let amount = betAmount
+  let cpmmState = { pool: state.pool, p: state.p }
+  let totalFees = noFees
+
+  let i = 0
+  while (true) {
+    const matchedBet: LimitBet | undefined = sortedBets[i]
+    const fill = computeFill(amount, outcome, limitProb, cpmmState, matchedBet)
+    if (!fill) break
+
+    const { taker, maker } = fill
+
+    if (maker.matchedBetId === null) {
+      // Matched against pool.
+      cpmmState = maker.state
+      totalFees = addObjects(totalFees, maker.fees)
+      takers.push(taker)
+    } else {
+      // Matched against bet.
+      takers.push(taker)
+      makers.push(maker)
+      i++
+    }
+
+    amount -= taker.amount
+
+    if (floatingEqual(amount, 0)) break
+  }
+
+  return { takers, makers, totalFees, cpmmState }
+}
+
+export const getBinaryCpmmBetInfo = (
+  outcome: 'YES' | 'NO',
+  betAmount: number,
+  contract: CPMMBinaryContract | PseudoNumericContract,
+  limitProb: number | undefined,
+  unfilledBets: LimitBet[]
+) => {
+  const { pool, p } = contract
+  const { takers, makers, cpmmState, totalFees } = computeFills(
+    outcome,
+    betAmount,
+    { pool, p },
+    limitProb,
+    unfilledBets
+  )
+  const probBefore = getCpmmProbability(contract.pool, contract.p)
+  const probAfter = getCpmmProbability(cpmmState.pool, cpmmState.p)
+
+  const takerAmount = sumBy(takers, 'amount')
+  const takerShares = sumBy(takers, 'shares')
+  const isFilled = floatingEqual(betAmount, takerAmount)
+
+  const newBet: CandidateBet = removeUndefinedProps({
+    orderAmount: betAmount,
+    amount: takerAmount,
+    shares: takerShares,
+    limitProb,
+    isFilled,
+    isCancelled: false,
+    fills: takers,
+    contractId: contract.id,
+    outcome,
+    probBefore,
+    probAfter,
+    loanAmount: 0,
+    createdTime: Date.now(),
+    fees: totalFees,
+  })
+
+  const { liquidityFee } = totalFees
+  const newTotalLiquidity = (contract.totalLiquidity ?? 0) + liquidityFee
+
+  return {
+    newBet,
+    newPool: cpmmState.pool,
+    newP: cpmmState.p,
+    newTotalLiquidity,
+    makers,
+  }
+}
+
+export const getBinaryBetStats = (
+  outcome: 'YES' | 'NO',
+  betAmount: number,
+  contract: CPMMBinaryContract | PseudoNumericContract,
+  limitProb: number,
+  unfilledBets: LimitBet[]
+) => {
+  const { newBet } = getBinaryCpmmBetInfo(
+    outcome,
+    betAmount ?? 0,
+    contract,
+    limitProb,
+    unfilledBets as LimitBet[]
+  )
+  const remainingMatched =
+    ((newBet.orderAmount ?? 0) - newBet.amount) /
+    (outcome === 'YES' ? limitProb : 1 - limitProb)
+  const currentPayout = newBet.shares + remainingMatched
+
+  const currentReturn = betAmount ? (currentPayout - betAmount) / betAmount : 0
+
+  const totalFees = sum(Object.values(newBet.fees))
+
+  return { currentPayout, currentReturn, totalFees, newBet }
 }
 
 export const getNewBinaryDpmBetInfo = (
@@ -91,7 +304,7 @@ export const getNewBinaryDpmBetInfo = (
   const probBefore = getDpmProbability(contract.totalShares)
   const probAfter = getDpmProbability(newTotalShares)
 
-  const newBet: CandidateBet<Bet> = {
+  const newBet: CandidateBet = {
     contractId: contract.id,
     amount,
     loanAmount: 0,
@@ -109,7 +322,7 @@ export const getNewBinaryDpmBetInfo = (
 export const getNewMultiBetInfo = (
   outcome: string,
   amount: number,
-  contract: FreeResponseContract
+  contract: FreeResponseContract | MultipleChoiceContract,
 ) => {
   const { pool, totalShares, totalBets } = contract
 
@@ -127,7 +340,7 @@ export const getNewMultiBetInfo = (
   const probBefore = getDpmOutcomeProbability(totalShares, outcome)
   const probAfter = getDpmOutcomeProbability(newTotalShares, outcome)
 
-  const newBet: CandidateBet<Bet> = {
+  const newBet: CandidateBet = {
     contractId: contract.id,
     amount,
     loanAmount: 0,

common/new-contract.ts

@@ -5,12 +5,15 @@ import {
   CPMM,
   DPM,
   FreeResponse,
+  MultipleChoice,
   Numeric,
   outcomeType,
+  PseudoNumeric,
 } from './contract'
 import { User } from './user'
-import { parseTags } from './util/parse'
+import { parseTags, richTextToString } from './util/parse'
 import { removeUndefinedProps } from './util/object'
+import { JSONContent } from '@tiptap/core'
 
 export function getNewContract(
   id: string,
@@ -18,7 +21,7 @@ export function getNewContract(
   creator: User,
   question: string,
   outcomeType: outcomeType,
-  description: string,
+  description: JSONContent,
   initialProb: number,
   ante: number,
   closeTime: number,
@@ -27,18 +30,30 @@ export function getNewContract(
   // used for numeric markets
   bucketCount: number,
   min: number,
-  max: number
+  max: number,
+  isLogScale: boolean,
+
+  // for multiple choice
+  answers: string[]
 ) {
   const tags = parseTags(
-    `${question} ${description} ${extraTags.map((tag) => `#${tag}`).join(' ')}`
+    [
+      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)
+      : outcomeType === 'PSEUDO_NUMERIC'
+      ? getPseudoNumericCpmmProps(initialProb, ante, min, max, isLogScale)
       : outcomeType === 'NUMERIC'
       ? getNumericProps(ante, bucketCount, min, max)
+      : outcomeType === 'MULTIPLE_CHOICE'
+      ? getMultipleChoiceProps(ante, answers)
       : getFreeAnswerProps(ante)
 
   const contract: Contract = removeUndefinedProps({
@@ -52,7 +67,7 @@ export function getNewContract(
     creatorAvatarUrl: creator.avatarUrl,
 
     question: question.trim(),
-    description: description.trim(),
+    description,
     tags,
     lowercaseTags,
     visibility: 'public',
@@ -111,6 +126,24 @@ const getBinaryCpmmProps = (initialProb: number, ante: number) => {
   return system
 }
 
+const getPseudoNumericCpmmProps = (
+  initialProb: number,
+  ante: number,
+  min: number,
+  max: number,
+  isLogScale: boolean
+) => {
+  const system: CPMM & PseudoNumeric = {
+    ...getBinaryCpmmProps(initialProb, ante),
+    outcomeType: 'PSEUDO_NUMERIC',
+    min,
+    max,
+    isLogScale,
+  }
+
+  return system
+}
+
 const getFreeAnswerProps = (ante: number) => {
   const system: DPM & FreeResponse = {
     mechanism: 'dpm-2',
@@ -124,6 +157,26 @@ const getFreeAnswerProps = (ante: number) => {
   return system
 }
 
+const getMultipleChoiceProps = (ante: number, answers: string[]) => {
+  const numAnswers = answers.length
+  const betAnte = ante / numAnswers
+  const betShares = Math.sqrt(ante ** 2 / numAnswers)
+
+  const defaultValues = (x: any) =>
+    Object.fromEntries(range(0, numAnswers).map((k) => [k, x]))
+
+  const system: DPM & MultipleChoice = {
+    mechanism: 'dpm-2',
+    outcomeType: 'MULTIPLE_CHOICE',
+    pool: defaultValues(betAnte),
+    totalShares: defaultValues(betShares),
+    totalBets: defaultValues(betAnte),
+    answers: [],
+  }
+
+  return system
+}
+
 const getNumericProps = (
   ante: number,
   bucketCount: number,

common/notification.ts

@@ -22,6 +22,8 @@ export type Notification = {
 
   sourceSlug?: string
   sourceTitle?: string
+
+  isSeenOnHref?: string
 }
 export type notification_source_types =
   | 'contract'
@@ -33,6 +35,9 @@ export type notification_source_types =
   | 'tip'
   | 'admin_message'
   | 'group'
+  | 'user'
+  | 'bonus'
+  | 'challenge'
 
 export type notification_source_update_types =
   | 'created'
@@ -53,3 +58,11 @@ export type notification_reason_types =
   | 'on_new_follow'
   | 'you_follow_user'
   | 'added_you_to_group'
+  | 'you_referred_user'
+  | 'user_joined_to_bet_on_your_market'
+  | 'unique_bettors_on_your_contract'
+  | 'on_group_you_are_member_of'
+  | 'tip_received'
+  | 'bet_fill'
+  | 'user_joined_from_your_group_invite'
+  | 'challenge_accepted'

common/numeric-constants.ts

@@ -3,3 +3,4 @@ export const NUMERIC_FIXED_VAR = 0.005
 
 export const NUMERIC_GRAPH_COLOR = '#5fa5f9'
 export const NUMERIC_TEXT_COLOR = 'text-blue-500'
+export const UNIQUE_BETTOR_BONUS_AMOUNT = 10

common/package.json

@@ -3,10 +3,16 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "verify": "(cd .. && yarn verify)"
+    "verify": "(cd .. && yarn verify)",
+    "verify:dir": "npx eslint . --max-warnings 0"
   },
   "sideEffects": false,
   "dependencies": {
+    "@tiptap/core": "2.0.0-beta.181",
+    "@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.190",
     "lodash": "4.17.21"
   },
   "devDependencies": {

common/payouts-dpm.ts

@@ -2,7 +2,11 @@ import { sum, groupBy, sumBy, mapValues } from 'lodash'
 
 import { Bet, NumericBet } from './bet'
 import { deductDpmFees, getDpmProbability } from './calculate-dpm'
-import { DPMContract, FreeResponseContract } from './contract'
+import {
+  DPMContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+} from './contract'
 import { DPM_CREATOR_FEE, DPM_FEES, DPM_PLATFORM_FEE } from './fees'
 import { addObjects } from './util/object'
 
@@ -180,7 +184,7 @@ export const getDpmMktPayouts = (
 
 export const getPayoutsMultiOutcome = (
   resolutions: { [outcome: string]: number },
-  contract: FreeResponseContract,
+  contract: FreeResponseContract | MultipleChoiceContract,
   bets: Bet[]
 ) => {
   const poolTotal = sum(Object.values(contract.pool))

common/payouts-fixed.ts

@@ -72,7 +72,7 @@ export const getLiquidityPoolPayouts = (
   const { pool } = contract
   const finalPool = pool[outcome]
 
-  const weights = getCpmmLiquidityPoolWeights(contract, liquidities)
+  const weights = getCpmmLiquidityPoolWeights(contract, liquidities, false)
 
   return Object.entries(weights).map(([providerId, weight]) => ({
     userId: providerId,
@@ -123,7 +123,7 @@ export const getLiquidityPoolProbPayouts = (
   const { pool } = contract
   const finalPool = p * pool.YES + (1 - p) * pool.NO
 
-  const weights = getCpmmLiquidityPoolWeights(contract, liquidities)
+  const weights = getCpmmLiquidityPoolWeights(contract, liquidities, false)
 
   return Object.entries(weights).map(([providerId, weight]) => ({
     userId: providerId,

common/payouts.ts

@@ -1,7 +1,12 @@
 import { sumBy, groupBy, mapValues } from 'lodash'
 
 import { Bet, NumericBet } from './bet'
-import { Contract, CPMMBinaryContract, DPMContract } from './contract'
+import {
+  Contract,
+  CPMMBinaryContract,
+  DPMContract,
+  PseudoNumericContract,
+} from './contract'
 import { Fees } from './fees'
 import { LiquidityProvision } from './liquidity-provision'
 import {
@@ -48,15 +53,19 @@ export type PayoutInfo = {
 
 export const getPayouts = (
   outcome: string | undefined,
-  resolutions: {
-    [outcome: string]: number
-  },
   contract: Contract,
   bets: Bet[],
   liquidities: LiquidityProvision[],
+  resolutions?: {
+    [outcome: string]: number
+  },
   resolutionProbability?: number
 ): PayoutInfo => {
-  if (contract.mechanism === 'cpmm-1' && contract.outcomeType === 'BINARY') {
+  if (
+    contract.mechanism === 'cpmm-1' &&
+    (contract.outcomeType === 'BINARY' ||
+      contract.outcomeType === 'PSEUDO_NUMERIC')
+  ) {
     return getFixedPayouts(
       outcome,
       contract,
@@ -67,16 +76,16 @@ export const getPayouts = (
   }
   return getDpmPayouts(
     outcome,
-    resolutions,
     contract,
     bets,
+    resolutions,
     resolutionProbability
   )
 }
 
 export const getFixedPayouts = (
   outcome: string | undefined,
-  contract: CPMMBinaryContract,
+  contract: CPMMBinaryContract | PseudoNumericContract,
   bets: Bet[],
   liquidities: LiquidityProvision[],
   resolutionProbability?: number
@@ -100,14 +109,15 @@ export const getFixedPayouts = (
 
 export const getDpmPayouts = (
   outcome: string | undefined,
-  resolutions: {
-    [outcome: string]: number
-  },
   contract: DPMContract,
   bets: Bet[],
+  resolutions?: {
+    [outcome: string]: number
+  },
   resolutionProbability?: number
 ): PayoutInfo => {
   const openBets = bets.filter((b) => !b.isSold && !b.sale)
+  const { outcomeType } = contract
 
   switch (outcome) {
     case 'YES':
@@ -115,15 +125,16 @@ export const getDpmPayouts = (
       return getDpmStandardPayouts(outcome, contract, openBets)
 
     case 'MKT':
-      return contract.outcomeType === 'FREE_RESPONSE'
+      return outcomeType === 'FREE_RESPONSE' ||
-        ? getPayoutsMultiOutcome(resolutions, contract, openBets)
+        outcomeType === 'MULTIPLE_CHOICE' // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        ? getPayoutsMultiOutcome(resolutions!, contract, openBets)
         : getDpmMktPayouts(contract, openBets, resolutionProbability)
     case 'CANCEL':
     case undefined:
       return getDpmCancelPayouts(contract, openBets)
 
     default:
-      if (contract.outcomeType === 'NUMERIC')
+      if (outcomeType === 'NUMERIC')
         return getNumericDpmPayouts(outcome, contract, openBets as NumericBet[])
 
       // Outcome is a free response answer id.

common/pseudo-numeric.ts

@@ -0,0 +1,48 @@
+import { BinaryContract, PseudoNumericContract } from './contract'
+import { formatLargeNumber, formatPercent } from './util/format'
+
+export function formatNumericProbability(
+  p: number,
+  contract: PseudoNumericContract
+) {
+  const value = getMappedValue(contract)(p)
+  return formatLargeNumber(value)
+}
+
+export const getMappedValue =
+  (contract: PseudoNumericContract | BinaryContract) => (p: number) => {
+    if (contract.outcomeType === 'BINARY') return p
+
+    const { min, max, isLogScale } = contract
+
+    if (isLogScale) {
+      const logValue = p * Math.log10(max - min + 1)
+      return 10 ** logValue + min - 1
+    }
+
+    return p * (max - min) + min
+  }
+
+export const getFormattedMappedValue =
+  (contract: PseudoNumericContract | BinaryContract) => (p: number) => {
+    if (contract.outcomeType === 'BINARY') return formatPercent(p)
+
+    const value = getMappedValue(contract)(p)
+    return formatLargeNumber(value)
+  }
+
+export const getPseudoProbability = (
+  value: number,
+  min: number,
+  max: number,
+  isLogScale = false
+) => {
+  if (value < min) return 0
+  if (value > max) return 1
+
+  if (isLogScale) {
+    return Math.log10(value - min + 1) / Math.log10(max - min + 1)
+  }
+
+  return (value - min) / (max - min)
+}

common/redeem.ts

@@ -0,0 +1,54 @@
+import { partition, sumBy } from 'lodash'
+
+import { Bet } from './bet'
+import { getProbability } from './calculate'
+import { CPMMContract } from './contract'
+import { noFees } from './fees'
+import { CandidateBet } from './new-bet'
+
+type RedeemableBet = Pick<Bet, 'outcome' | 'shares' | 'loanAmount'>
+
+export const getRedeemableAmount = (bets: RedeemableBet[]) => {
+  const [yesBets, noBets] = partition(bets, (b) => b.outcome === 'YES')
+  const yesShares = sumBy(yesBets, (b) => b.shares)
+  const noShares = sumBy(noBets, (b) => b.shares)
+  const shares = Math.max(Math.min(yesShares, noShares), 0)
+  const loanAmount = sumBy(bets, (bet) => bet.loanAmount ?? 0)
+  const loanPayment = Math.min(loanAmount, shares)
+  const netAmount = shares - loanPayment
+  return { shares, loanPayment, netAmount }
+}
+
+export const getRedemptionBets = (
+  shares: number,
+  loanPayment: number,
+  contract: CPMMContract
+) => {
+  const p = getProbability(contract)
+  const createdTime = Date.now()
+  const yesBet: CandidateBet = {
+    contractId: contract.id,
+    amount: p * -shares,
+    shares: -shares,
+    loanAmount: loanPayment ? -loanPayment / 2 : 0,
+    outcome: 'YES',
+    probBefore: p,
+    probAfter: p,
+    createdTime,
+    isRedemption: true,
+    fees: noFees,
+  }
+  const noBet: CandidateBet = {
+    contractId: contract.id,
+    amount: (1 - p) * -shares,
+    shares: -shares,
+    loanAmount: loanPayment ? -loanPayment / 2 : 0,
+    outcome: 'NO',
+    probBefore: p,
+    probAfter: p,
+    createdTime,
+    isRedemption: true,
+    fees: noFees,
+  }
+  return [yesBet, noBet]
+}

common/scoring.ts

@@ -42,10 +42,10 @@ export function scoreUsersByContract(contract: Contract, bets: Bet[]) {
   )
   const { payouts: resolvePayouts } = getPayouts(
     resolution as string,
-    {},
     contract,
     openBets,
     [],
+    {},
     resolutionProb
   )
 

common/sell-bet.ts

@@ -1,4 +1,4 @@
-import { Bet } from './bet'
+import { Bet, LimitBet } from './bet'
 import {
   calculateDpmShareValue,
   deductDpmFees,
@@ -7,6 +7,7 @@ import {
 import { calculateCpmmSale, getCpmmProbability } from './calculate-cpmm'
 import { CPMMContract, DPMContract } from './contract'
 import { DPM_CREATOR_FEE, DPM_PLATFORM_FEE, Fees } from './fees'
+import { sumBy } from 'lodash'
 
 export type CandidateBet<T extends Bet> = Omit<T, 'id' | 'userId'>
 
@@ -78,19 +79,24 @@ export const getCpmmSellBetInfo = (
   shares: number,
   outcome: 'YES' | 'NO',
   contract: CPMMContract,
-  prevLoanAmount: number
+  prevLoanAmount: number,
+  unfilledBets: LimitBet[]
 ) => {
   const { pool, p } = contract
 
-  const { saleValue, newPool, newP, fees } = calculateCpmmSale(
+  const { saleValue, cpmmState, fees, makers, takers } = calculateCpmmSale(
     contract,
     shares,
-    outcome
+    outcome,
+    unfilledBets
   )
 
   const loanPaid = Math.min(prevLoanAmount, saleValue)
   const probBefore = getCpmmProbability(pool, p)
-  const probAfter = getCpmmProbability(newPool, p)
+  const probAfter = getCpmmProbability(cpmmState.pool, cpmmState.p)
+
+  const takerAmount = sumBy(takers, 'amount')
+  const takerShares = sumBy(takers, 'shares')
 
   console.log(
     'SELL M$',
@@ -104,20 +110,26 @@ export const getCpmmSellBetInfo = (
 
   const newBet: CandidateBet<Bet> = {
     contractId: contract.id,
-    amount: -saleValue,
+    amount: takerAmount,
-    shares: -shares,
+    shares: takerShares,
     outcome,
     probBefore,
     probAfter,
     createdTime: Date.now(),
     loanAmount: -loanPaid,
     fees,
+    fills: takers,
+    isFilled: true,
+    isCancelled: false,
+    orderAmount: takerAmount,
   }
 
   return {
     newBet,
-    newPool,
+    newPool: cpmmState.pool,
-    newP,
+    newP: cpmmState.p,
     fees,
+    makers,
+    takers,
   }
 }

common/tsconfig.json

@@ -1,6 +1,8 @@
 {
   "compilerOptions": {
     "baseUrl": "../",
+    "composite": true,
+    "module": "commonjs",
     "moduleResolution": "node",
     "noImplicitReturns": true,
     "outDir": "lib",

common/txn.ts

@@ -1,6 +1,6 @@
 // A txn (pronounced "texan") respresents a payment between two ids on Manifold
 // Shortened from "transaction" to distinguish from Firebase transactions (and save chars)
-type AnyTxnType = Donation | Tip | Manalink
+type AnyTxnType = Donation | Tip | Manalink | Referral | Bonus
 type SourceType = 'USER' | 'CONTRACT' | 'CHARITY' | 'BANK'
 
 export type Txn<T extends AnyTxnType = AnyTxnType> = {
@@ -16,7 +16,8 @@ export type Txn<T extends AnyTxnType = AnyTxnType> = {
   amount: number
   token: 'M$' // | 'USD' | MarketOutcome
 
-  category: 'CHARITY' | 'MANALINK' | 'TIP' // | 'BET'
+  category: 'CHARITY' | 'MANALINK' | 'TIP' | 'REFERRAL' | 'UNIQUE_BETTOR_BONUS'
+
   // Any extra data
   data?: { [key: string]: any }
 
@@ -35,8 +36,9 @@ type Tip = {
   toType: 'USER'
   category: 'TIP'
   data: {
-    contractId: string
     commentId: string
+    contractId?: string
+    groupId?: string
   }
 }
 
@@ -46,6 +48,19 @@ type Manalink = {
   category: 'MANALINK'
 }
 
+type Referral = {
+  fromType: 'BANK'
+  toType: 'USER'
+  category: 'REFERRAL'
+}
+
+type Bonus = {
+  fromType: 'BANK'
+  toType: 'USER'
+  category: 'UNIQUE_BETTOR_BONUS'
+}
+
 export type DonationTxn = Txn & Donation
 export type TipTxn = Txn & Tip
 export type ManalinkTxn = Txn & Manalink
+export type ReferralTxn = Txn & Referral

common/user.ts

@@ -1,3 +1,5 @@
+import { ENV_CONFIG } from './envs/constants'
+
 export type User = {
   id: string
   createdTime: number
@@ -33,10 +35,18 @@ export type User = {
   followerCountCached: number
 
   followedCategories?: string[]
+
+  referredByUserId?: string
+  referredByContractId?: string
+  referredByGroupId?: string
+  lastPingTime?: number
+  shouldShowWelcome?: boolean
 }
 
-export const STARTING_BALANCE = 1000
+export const STARTING_BALANCE = ENV_CONFIG.startingBalance ?? 1000
-export const SUS_STARTING_BALANCE = 10 // for sus users, i.e. multiple sign ups for same person
+// for sus users, i.e. multiple sign ups for same person
+export const SUS_STARTING_BALANCE = ENV_CONFIG.startingBalance ?? 10
+export const REFERRAL_AMOUNT = ENV_CONFIG.referralBonus ?? 500
 
 export type PrivateUser = {
   id: string // same as User.id
@@ -47,6 +57,7 @@ export type PrivateUser = {
   unsubscribedFromCommentEmails?: boolean
   unsubscribedFromAnswerEmails?: boolean
   unsubscribedFromGenericEmails?: boolean
+  manaBonusEmailSent?: boolean
   initialDeviceToken?: string
   initialIpAddress?: string
   apiKey?: string
@@ -62,3 +73,6 @@ export type PortfolioMetrics = {
   timestamp: number
   userId: string
 }
+
+export const MANIFOLD_USERNAME = 'ManifoldMarkets'
+export const MANIFOLD_AVATAR_URL = 'https://manifold.markets/logo-bg-white.png'

common/util/algos.ts

@@ -0,0 +1,22 @@
+export function binarySearch(
+  min: number,
+  max: number,
+  comparator: (x: number) => number
+) {
+  let mid = 0
+  while (true) {
+    mid = min + (max - min) / 2
+
+    // Break once we've reached max precision.
+    if (mid === min || mid === max) break
+
+    const comparison = comparator(mid)
+    if (comparison === 0) break
+    else if (comparison > 0) {
+      max = mid
+    } else {
+      min = mid
+    }
+  }
+  return mid
+}

common/util/array.ts

@@ -1,3 +1,38 @@
 export function filterDefined<T>(array: (T | null | undefined)[]) {
   return array.filter((item) => item !== null && item !== undefined) as T[]
 }
+
+export function buildArray<T>(
+  ...params: (T | T[] | false | undefined | null)[]
+) {
+  const array: T[] = []
+
+  for (const el of params) {
+    if (Array.isArray(el)) {
+      array.push(...el)
+    } else if (el) {
+      array.push(el)
+    }
+  }
+
+  return array
+}
+
+export function groupConsecutive<T, U>(xs: T[], key: (x: T) => U) {
+  if (!xs.length) {
+    return []
+  }
+  const result = []
+  let curr = { key: key(xs[0]), items: [xs[0]] }
+  for (const x of xs.slice(1)) {
+    const k = key(x)
+    if (k !== curr.key) {
+      result.push(curr)
+      curr = { key: k, items: [x] }
+    } else {
+      curr.items.push(x)
+    }
+  }
+  result.push(curr)
+  return result
+}

common/util/format.ts

@@ -33,18 +33,24 @@ export function formatPercent(zeroToOne: number) {
   return (zeroToOne * 100).toFixed(decimalPlaces) + '%'
 }
 
+const showPrecision = (x: number, sigfigs: number) =>
+  // convert back to number for weird formatting reason
+  `${Number(x.toPrecision(sigfigs))}`
+
 // Eg 1234567.89 => 1.23M; 5678 => 5.68K
 export function formatLargeNumber(num: number, sigfigs = 2): string {
   const absNum = Math.abs(num)
-  if (absNum < 1000) {
+  if (absNum < 1) return showPrecision(num, sigfigs)
-    return '' + Number(num.toPrecision(sigfigs))
+
-  }
+  if (absNum < 100) return showPrecision(num, 2)
+  if (absNum < 1000) return showPrecision(num, 3)
+  if (absNum < 10000) return showPrecision(num, 4)
 
   const suffix = ['', 'K', 'M', 'B', 'T', 'Q']
-  const suffixIdx = Math.floor(Math.log10(absNum) / 3)
+  const i = Math.floor(Math.log10(absNum) / 3)
-  const suffixStr = suffix[suffixIdx]
+
-  const numStr = (num / Math.pow(10, 3 * suffixIdx)).toPrecision(sigfigs)
+  const numStr = showPrecision(num / Math.pow(10, 3 * i), sigfigs)
-  return `${Number(numStr)}${suffixStr}`
+  return `${numStr}${suffix[i] ?? ''}`
 }
 
 export function toCamelCase(words: string) {

common/util/math.ts

@@ -34,3 +34,17 @@ export function median(xs: number[]) {
 export function average(xs: number[]) {
   return sum(xs) / xs.length
 }
+
+const EPSILON = 0.00000001
+
+export function floatingEqual(a: number, b: number, epsilon = EPSILON) {
+  return Math.abs(a - b) < epsilon
+}
+
+export function floatingGreaterEqual(a: number, b: number, epsilon = EPSILON) {
+  return a + epsilon >= b
+}
+
+export function floatingLesserEqual(a: number, b: number, epsilon = EPSILON) {
+  return a - epsilon <= b
+}

common/util/parse.ts

@@ -1,4 +1,29 @@
 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'
+import { BulletList } from '@tiptap/extension-bullet-list'
+import { Code } from '@tiptap/extension-code'
+import { CodeBlock } from '@tiptap/extension-code-block'
+import { Document } from '@tiptap/extension-document'
+import { HardBreak } from '@tiptap/extension-hard-break'
+import { Heading } from '@tiptap/extension-heading'
+import { History } from '@tiptap/extension-history'
+import { HorizontalRule } from '@tiptap/extension-horizontal-rule'
+import { Italic } from '@tiptap/extension-italic'
+import { ListItem } from '@tiptap/extension-list-item'
+import { OrderedList } from '@tiptap/extension-ordered-list'
+import { Paragraph } from '@tiptap/extension-paragraph'
+import { Strike } from '@tiptap/extension-strike'
+import { Text } from '@tiptap/extension-text'
+// other tiptap extensions
+import { Image } from '@tiptap/extension-image'
+import { Link } from '@tiptap/extension-link'
+import { Mention } from '@tiptap/extension-mention'
+import Iframe from './tiptap-iframe'
+import TiptapTweet from './tiptap-tweet-type'
+import { uniq } from 'lodash'
 
 export function parseTags(text: string) {
   const regex = /(?:^|\s)(?:[#][a-z0-9_]+)/gi
@@ -27,3 +52,52 @@ export function parseWordsAsTags(text: string) {
     .join(' ')
   return parseTags(taggedText)
 }
+
+// TODO: fuzzy matching
+export const wordIn = (word: string, corpus: string) =>
+  corpus.toLocaleLowerCase().includes(word.toLocaleLowerCase())
+
+const checkAgainstQuery = (query: string, corpus: string) =>
+  query.split(' ').every((word) => wordIn(word, corpus))
+
+export const searchInAny = (query: string, ...fields: string[]) =>
+  fields.some((field) => checkAgainstQuery(query, field))
+
+/** @return user ids of all \@mentions */
+export function parseMentions(data: JSONContent): string[] {
+  const mentions = data.content?.flatMap(parseMentions) ?? [] //dfs
+  if (data.type === 'mention' && data.attrs) {
+    mentions.push(data.attrs.id as string)
+  }
+  return uniq(mentions)
+}
+
+// can't just do [StarterKit, Image...] because it doesn't work with cjs imports
+export const exhibitExts = [
+  Blockquote,
+  Bold,
+  BulletList,
+  Code,
+  CodeBlock,
+  Document,
+  HardBreak,
+  Heading,
+  History,
+  HorizontalRule,
+  Italic,
+  ListItem,
+  OrderedList,
+  Paragraph,
+  Strike,
+  Text,
+
+  Image,
+  Link,
+  Mention,
+  Iframe,
+  TiptapTweet,
+]
+
+export function richTextToString(text?: JSONContent) {
+  return !text ? '' : generateText(text, exhibitExts)
+}

common/util/tiptap-iframe.ts

@@ -0,0 +1,92 @@
+// Adopted from https://github.com/ueberdosis/tiptap/blob/main/demos/src/Experiments/Embeds/Vue/iframe.ts
+
+import { Node } from '@tiptap/core'
+
+export interface IframeOptions {
+  allowFullscreen: boolean
+  HTMLAttributes: {
+    [key: string]: any
+  }
+}
+
+declare module '@tiptap/core' {
+  interface Commands<ReturnType> {
+    iframe: {
+      setIframe: (options: { src: string }) => ReturnType
+    }
+  }
+}
+
+// These classes style the outer wrapper and the inner iframe;
+// Adopted from css in https://github.com/ueberdosis/tiptap/blob/main/demos/src/Experiments/Embeds/Vue/index.vue
+const wrapperClasses = 'relative h-auto w-full overflow-hidden'
+const iframeClasses = 'absolute top-0 left-0 h-full w-full'
+
+export default Node.create<IframeOptions>({
+  name: 'iframe',
+
+  group: 'block',
+
+  atom: true,
+
+  addOptions() {
+    return {
+      allowFullscreen: true,
+      HTMLAttributes: {
+        class: 'iframe-wrapper' + ' ' + wrapperClasses,
+        // Tailwind JIT doesn't seem to pick up `pb-[20rem]`, so we hack this in:
+        style: 'padding-bottom: 20rem;',
+      },
+    }
+  },
+
+  addAttributes() {
+    return {
+      src: {
+        default: null,
+      },
+      frameborder: {
+        default: 0,
+      },
+      allowfullscreen: {
+        default: this.options.allowFullscreen,
+        parseHTML: () => this.options.allowFullscreen,
+      },
+    }
+  },
+
+  parseHTML() {
+    return [{ tag: 'iframe' }]
+  },
+
+  renderHTML({ HTMLAttributes }) {
+    return [
+      'div',
+      this.options.HTMLAttributes,
+      [
+        'iframe',
+        {
+          ...HTMLAttributes,
+          class: HTMLAttributes.class + ' ' + iframeClasses,
+        },
+      ],
+    ]
+  },
+
+  addCommands() {
+    return {
+      setIframe:
+        (options: { src: string }) =>
+        ({ tr, dispatch }) => {
+          const { selection } = tr
+          const node = this.type.create(options)
+
+          if (dispatch) {
+            tr.replaceRangeWith(selection.from, selection.to, node)
+          }
+
+          return true
+        },
+    }
+  },
+})

common/util/tiptap-tweet-type.ts

@@ -0,0 +1,37 @@
+import { Node, mergeAttributes } from '@tiptap/core'
+
+export interface TweetOptions {
+  tweetId: string
+}
+
+// This is a version of the Tiptap Node config without addNodeView,
+// since that would require bundling in tsx
+export const TiptapTweetNode = {
+  name: 'tiptapTweet',
+  group: 'block',
+  atom: true,
+
+  addAttributes() {
+    return {
+      tweetId: {
+        default: null,
+      },
+    }
+  },
+
+  parseHTML() {
+    return [
+      {
+        tag: 'tiptap-tweet',
+      },
+    ]
+  },
+
+  renderHTML(props: { HTMLAttributes: Record<string, any> }) {
+    return ['tiptap-tweet', mergeAttributes(props.HTMLAttributes)]
+  },
+}
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore
+export default Node.create<TweetOptions>(TiptapTweetNode)

dev.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+ENV=${1:-dev}
+case $ENV in
+    dev)
+      FIREBASE_PROJECT=dev
+      NEXT_ENV=DEV ;;
+    prod)
+      FIREBASE_PROJECT=prod
+      NEXT_ENV=PROD ;;
+    localdb)
+      FIREBASE_PROJECT=dev
+      NEXT_ENV=DEV
+      EMULATOR=true ;;
+    *)
+      echo "Invalid environment; must be dev, prod, or localdb."
+      exit 1
+esac
+
+firebase use $FIREBASE_PROJECT
+
+if [ ! -z $EMULATOR ]
+then
+  npx concurrently \
+      -n FIRESTORE,FUNCTIONS,NEXT,TS \
+      -c green,white,magenta,cyan \
+      "yarn --cwd=functions firestore" \
+      "cross-env FIRESTORE_EMULATOR_HOST=localhost:8080 yarn --cwd=functions dev" \
+      "cross-env NEXT_PUBLIC_FUNCTIONS_URL=http://localhost:8088 \
+               NEXT_PUBLIC_FIREBASE_EMULATE=TRUE \
+               NEXT_PUBLIC_FIREBASE_ENV=${NEXT_ENV} \
+               yarn --cwd=web serve" \
+      "cross-env yarn --cwd=web ts-watch"
+else
+  npx concurrently \
+      -n FUNCTIONS,NEXT,TS \
+      -c white,magenta,cyan \
+      "yarn --cwd=functions dev" \
+      "cross-env NEXT_PUBLIC_FUNCTIONS_URL=http://localhost:8088 \
+               NEXT_PUBLIC_FIREBASE_ENV=${NEXT_ENV} \
+               yarn --cwd=web serve" \
+      "cross-env yarn --cwd=web ts-watch"
+fi

docs/docs/api.md

@@ -34,6 +34,40 @@ response was a 4xx or 5xx.)
 
 ## Endpoints
 
+### `GET /v0/user/[username]`
+
+Gets a user by their username. Remember that usernames may change.
+
+Requires no authorization.
+
+### `GET /v0/user/by-id/[id]`
+
+Gets a user by their unique ID. Many other API endpoints return this as the `userId`.
+
+Requires no authorization.
+
+### GET /v0/me
+
+Returns the authenticated user.
+
+### `GET /v0/groups`
+
+Gets all groups, in no particular order.
+
+Requires no authorization.
+
+### `GET /v0/groups/[slug]`
+
+Gets a group by its slug.
+
+Requires no authorization.
+
+### `GET /v0/groups/by-id/[id]`
+
+Gets a group by its unique ID.
+
+Requires no authorization.
+
 ### `GET /v0/markets`
 
 Lists all markets, ordered by creation date descending.
@@ -456,7 +490,6 @@ Requires no authorization.
   }
   ```
 
-
 ### `POST /v0/bet`
 
 Places a new bet on behalf of the authorized user.
@@ -470,6 +503,20 @@ Parameters:
   answer. For numeric markets, this is a string representing the target bucket,
   and an additional `value` parameter is required which is a number representing
   the target value. (Bet on numeric markets at your own peril.)
+- `limitProb`: Optional. A number between `0.001` and `0.999` inclusive representing
+  the limit probability for your bet (i.e. 0.1% to 99.9% — multiply by 100 for the
+  probability percentage).
+  The bet will execute immediately in the direction of `outcome`, but not beyond this
+  specified limit. If not all the bet is filled, the bet will remain as an open offer
+  that can later be matched against an opposite direction bet.
+  - For example, if the current market probability is `50%`:
+    - A `M$10` bet on `YES` with `limitProb=0.4` would not be filled until the market
+      probability moves down to `40%` and someone bets `M$15` of `NO` to match your
+      bet odds.
+    - A `M$100` bet on `YES` with `limitProb=0.6` would fill partially or completely
+      depending on current unfilled limit bets and the AMM's liquidity. Any remaining
+      portion of the bet not filled would remain to be matched against in the future.
+  - An unfilled limit order bet can be cancelled using the cancel API.
 
 Example request:
 
@@ -481,6 +528,10 @@ $ curl https://manifold.markets/api/v0/bet -X POST -H 'Content-Type: application
                  "contractId":"{...}"}'
 ```
 
+### `POST /v0/bet/cancel/[id]`
+
+Cancel the limit order of a bet with the specified id. If the bet was unfilled, it will be cancelled so that no other bets will match with it. This is action irreversable.
+
 ### `POST /v0/market`
 
 Creates a new market on behalf of the authorized user.
@@ -514,8 +565,170 @@ $ curl https://manifold.markets/api/v0/market -X POST -H 'Content-Type: applicat
                  "initialProb":25}'
 ```
 
+### `POST /v0/market/[marketId]/resolve`
+
+Resolves a market on behalf of the authorized user.
+
+Parameters:
+
+For binary markets:
+
+- `outcome`: Required. One of `YES`, `NO`, `MKT`, or `CANCEL`.
+- `probabilityInt`: Optional. The probability to use for `MKT` resolution.
+
+For free response markets:
+
+- `outcome`: Required. One of `MKT`, `CANCEL`, or a `number` indicating the answer index.
+- `resolutions`: An array of `{ answer, pct }` objects to use as the weights for resolving in favor of multiple free response options. Can only be set with `MKT` outcome.
+
+For numeric markets:
+
+- `outcome`: Required. One of `CANCEL`, or a `number` indicating the selected numeric bucket ID.
+- `value`: The value that the market may resolves to.
+
+Example 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"}'
+
+# Resolve a binary market with a specified probability
+$ curl https://manifold.markets/api/v0/market/{marketId}/resolve -X POST \
+    -H 'Content-Type: application/json' \
+    -H 'Authorization: Key {...}' \
+    --data-raw '{"outcome": "MKT", \
+                 "probabilityInt": 75}'
+
+# Resolve a free response market with a single answer chosen
+$ curl https://manifold.markets/api/v0/market/{marketId}/resolve -X POST \
+    -H 'Content-Type: application/json' \
+    -H 'Authorization: Key {...}' \
+    --data-raw '{"outcome": 2}'
+
+# Resolve a free response market with multiple answers chosen
+$ curl https://manifold.markets/api/v0/market/{marketId}/resolve -X POST \
+    -H 'Content-Type: application/json' \
+    -H 'Authorization: Key {...}' \
+    --data-raw '{"outcome": "MKT", \
+                 "resolutions": [ \
+                   {"answer": 0, "pct": 50}, \
+                   {"answer": 2, "pct": 50} \
+                 ]}'
+```
+
+### `POST /v0/market/[marketId]/sell`
+
+Sells some quantity of shares in a binary market on behalf of the authorized user.
+
+Parameters:
+
+- `outcome`: Optional. One of `YES`, or `NO`. If you leave it off, and you only
+  own one kind of shares, you will sell that kind of shares.
+- `shares`: Optional. The amount of shares to sell of the outcome given
+  above. If not provided, all the shares you own will be sold.
+
+Example request:
+
+```
+$ curl https://manifold.markets/api/v0/market/{marketId}/sell -X POST \
+    -H 'Content-Type: application/json' \
+    -H 'Authorization: Key {...}' \
+    --data-raw '{"outcome": "YES", "shares": 10}'
+```
+
+### `GET /v0/bets`
+
+Gets a list of bets, ordered by creation date descending.
+
+Parameters:
+
+- `username`: Optional. If set, the response will include only bets created by this user.
+- `market`: Optional. The slug of a market. If set, the response will only include bets on this market.
+- `limit`: Optional. How many bets to return. The maximum and the default is 1000.
+- `before`: Optional. The ID of the bet before which the list will start. For
+  example, if you ask for the most recent 10 bets, and then perform a second
+  query for 10 more bets with `before=[the id of the 10th bet]`, you will
+  get bets 11 through 20.
+
+Requires no authorization.
+
+- Example request
+  ```
+  https://manifold.markets/api/v0/bets?username=ManifoldMarkets&market=will-i-be-able-to-place-a-limit-ord
+  ```
+- Response type: A `Bet[]`.
+
+- <details><summary>Example response</summary><p>
+
+  ```json
+  [
+    // Limit bet, partially filled.
+    {
+      "isFilled": false,
+      "amount": 15.596681605353808,
+      "userId": "IPTOzEqrpkWmEzh6hwvAyY9PqFb2",
+      "contractId": "Tz5dA01GkK5QKiQfZeDL",
+      "probBefore": 0.5730753474948571,
+      "isCancelled": false,
+      "outcome": "YES",
+      "fees": { "creatorFee": 0, "liquidityFee": 0, "platformFee": 0 },
+      "shares": 31.193363210707616,
+      "limitProb": 0.5,
+      "id": "yXB8lVbs86TKkhWA1FVi",
+      "loanAmount": 0,
+      "orderAmount": 100,
+      "probAfter": 0.5730753474948571,
+      "createdTime": 1659482775970,
+      "fills": [
+        {
+          "timestamp": 1659483249648,
+          "matchedBetId": "MfrMd5HTiGASDXzqibr7",
+          "amount": 15.596681605353808,
+          "shares": 31.193363210707616
+        }
+      ]
+    },
+    // Normal bet (no limitProb specified).
+    {
+      "shares": 17.350459904608414,
+      "probBefore": 0.5304358279113885,
+      "isFilled": true,
+      "probAfter": 0.5730753474948571,
+      "userId": "IPTOzEqrpkWmEzh6hwvAyY9PqFb2",
+      "amount": 10,
+      "contractId": "Tz5dA01GkK5QKiQfZeDL",
+      "id": "1LPJHNz5oAX4K6YtJlP1",
+      "fees": {
+        "platformFee": 0,
+        "liquidityFee": 0,
+        "creatorFee": 0.4251333951457593
+      },
+      "isCancelled": false,
+      "loanAmount": 0,
+      "orderAmount": 10,
+      "fills": [
+        {
+          "amount": 10,
+          "matchedBetId": null,
+          "shares": 17.350459904608414,
+          "timestamp": 1659482757271
+        }
+      ],
+      "createdTime": 1659482757271,
+      "outcome": "YES"
+    }
+  ]
+  ```
+
+  </p>
+  </details>
+
 ## Changelog
 
+- 2022-07-15: Add user by username and user by ID APIs
 - 2022-06-08: Add paging to markets endpoint
 - 2022-06-05: Add new authorized write endpoints
 - 2022-02-28: Add `resolutionTime` to markets, change `closeTime` definition

docs/docs/awesome-manifold.md

@@ -10,13 +10,16 @@ A list of community-created projects built on, or related to, Manifold Markets.
 
 - [CivicDashboard](https://civicdash.org/dashboard) - Uses Manifold to for tracked solutions for the SF city government
 - [Research.Bet](https://research.bet/) - Prediction market for scientific papers, using Manifold
+- [WagerWith.me](https://www.wagerwith.me/) — Bet with your friends, with full Manifold integration to bet with M$.
 
 ## API / Dev
 
 - [PyManifold](https://github.com/bcongdon/PyManifold) - Python client for the Manifold API
 - [manifold-markets-python](https://github.com/vluzko/manifold-markets-python) - Python tools for working with Manifold Markets (including various accuracy metrics)
+- [ManifoldMarketManager](https://github.com/gappleto97/ManifoldMarketManager) - Python script and library to automatically manage markets
 - [manifeed](https://github.com/joy-void-joy/manifeed) - Tool that creates an RSS feed for new Manifold markets
 
 ## Bots
 
 - [@manifold@botsin.space](https://botsin.space/@manifold) - Posts new Manifold markets to Mastodon
+- [James' Bot](https://github.com/manifoldmarkets/market-maker) — Simple trading bot that makes markets

docs/docs/market-details.md

@@ -19,7 +19,6 @@ for the pool to be sorted into.
 - Users can create a market on any question they want.
 - When a user creates a market, they must choose a close date, after which trading will halt.
 - They must also pay a M$100 market creation fee, which is used as liquidity to subsidize trading on the market.
-  - The creation fee for the first market created each day is provided by Manifold.
 - The market creator will earn a commission on all bets placed in the market.
 - The market creator is responsible for resolving each market in a timely manner. All fees earned as a commission will be paid out after resolution.
 - Creators can also resolve N/A to cancel all transactions and reverse all transactions made on the market - this includes profits from selling shares.

docs/docusaurus.config.js

@@ -26,8 +26,7 @@ const config = {
         docs: {
           routeBasePath: '/',
           sidebarPath: require.resolve('./sidebars.js'),
-          // Please change this to your repo.
+          editUrl: 'https://github.com/manifoldmarkets/manifold/tree/main/docs',
-          editUrl: 'https://github.com/manifoldmarkets/manifold/tree/main/docs/docs',
           remarkPlugins: [math],
           rehypePlugins: [katex],
         },
@@ -72,7 +71,7 @@ const config = {
             label: 'Docs',
           },
           {
-            href: 'https://github.com/manifoldmarkets/docs',
+            href: 'https://github.com/manifoldmarkets/manifold/tree/main/docs/docs',
             label: 'GitHub',
             position: 'right',
           },
@@ -116,7 +115,7 @@ const config = {
               },
               {
                 label: 'GitHub',
-                href: 'https://github.com/manifoldmarkets/docs',
+                href: 'https://github.com/manifoldmarkets/manifold/',
               },
             ],
           },

docs/package.json

@@ -30,7 +30,8 @@
   },
   "devDependencies": {
     "@docusaurus/module-type-aliases": "2.0.0-beta.17",
-    "@tsconfig/docusaurus": "^1.0.4"
+    "@tsconfig/docusaurus": "^1.0.4",
+    "@types/react": "^17.0.2"
   },
   "browserslist": {
     "production": [

firebase.json

@@ -1,8 +1,8 @@
 {
   "functions": {
-    "predeploy": "npm --prefix \"$RESOURCE_DIR\" run build",
+    "predeploy": "cd functions && yarn build",
     "runtime": "nodejs16",
-    "source": "functions"
+    "source": "functions/dist"
   },
   "firestore": {
     "rules": "firestore.rules",

firestore.indexes.json

@@ -307,15 +307,11 @@
       ]
     },
     {
-      "collectionGroup": "txns",
+      "collectionGroup": "manalinks",
       "queryScope": "COLLECTION",
       "fields": [
         {
-          "fieldPath": "toId",
+          "fieldPath": "fromId",
-          "order": "ASCENDING"
-        },
-        {
-          "fieldPath": "toType",
           "order": "ASCENDING"
         },
         {
@@ -325,11 +321,57 @@
       ]
     },
     {
-      "collectionGroup": "manalinks",
+      "collectionGroup": "notifications",
       "queryScope": "COLLECTION",
       "fields": [
         {
-          "fieldPath": "fromId",
+          "fieldPath": "isSeen",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "createdTime",
+          "order": "DESCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "portfolioHistory",
+      "queryScope": "COLLECTION_GROUP",
+      "fields": [
+        {
+          "fieldPath": "userId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "timestamp",
+          "order": "ASCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "portfolioHistory",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "userId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "timestamp",
+          "order": "ASCENDING"
+        }
+      ]
+    },
+    {
+      "collectionGroup": "txns",
+      "queryScope": "COLLECTION",
+      "fields": [
+        {
+          "fieldPath": "toId",
+          "order": "ASCENDING"
+        },
+        {
+          "fieldPath": "toType",
           "order": "ASCENDING"
         },
         {
@@ -410,6 +452,28 @@
         }
       ]
     },
+    {
+      "collectionGroup": "bets",
+      "fieldPath": "id",
+      "indexes": [
+        {
+          "order": "ASCENDING",
+          "queryScope": "COLLECTION"
+        },
+        {
+          "order": "DESCENDING",
+          "queryScope": "COLLECTION"
+        },
+        {
+          "arrayConfig": "CONTAINS",
+          "queryScope": "COLLECTION"
+        },
+        {
+          "order": "ASCENDING",
+          "queryScope": "COLLECTION_GROUP"
+        }
+      ]
+    },
     {
       "collectionGroup": "bets",
       "fieldPath": "userId",

firestore.rules

@@ -6,10 +6,12 @@ service cloud.firestore {
   match /databases/{database}/documents {
 
     function isAdmin() {
-      return request.auth.uid == 'igi2zGXsfxYPgB0DJTXVJVmwCOr2' // Austin
+      return request.auth.token.email in [
-             || request.auth.uid == '5LZ4LgYuySdL1huCWe7bti02ghx2' // James
+        'akrolsmir@gmail.com',
-             || request.auth.uid == 'tlmGNz9kjXc2EteizMORes4qvWl2' // Stephen
+        'jahooma@gmail.com',
-             || request.auth.uid == 'IPTOzEqrpkWmEzh6hwvAyY9PqFb2' // Manifold
+        'taowell@gmail.com',
+        'manticmarkets@gmail.com'
+      ]
     }
 
     match /stats/stats {
@@ -18,15 +20,36 @@ service cloud.firestore {
 
     match /users/{userId} {
       allow read;
-      allow update: if resource.data.id == request.auth.uid
+      allow update: if userId == request.auth.uid
                        && request.resource.data.diff(resource.data).affectedKeys()
-                                                                    .hasOnly(['bio', 'bannerUrl', 'website', 'twitterHandle', 'discordHandle', 'followedCategories']);
+                                                                    .hasOnly(['bio', 'bannerUrl', 'website', 'twitterHandle', 'discordHandle', 'followedCategories', 'lastPingTime','shouldShowWelcome']);
+      // User referral rules
+      allow update: if userId == request.auth.uid
+                         && request.resource.data.diff(resource.data).affectedKeys()
+                          .hasOnly(['referredByUserId', 'referredByContractId', 'referredByGroupId'])
+                          // only one referral allowed per user
+                          && !("referredByUserId" in resource.data)
+                          // user can't refer themselves
+                          && !(userId == request.resource.data.referredByUserId);
+                          // quid pro quos enabled (only once though so nbd) - bc I can't make this work:
+                          // && (get(/databases/$(database)/documents/users/$(request.resource.data.referredByUserId)).referredByUserId == resource.data.id);
     }
 
   	match /{somePath=**}/portfolioHistory/{portfolioHistoryId} {
       allow read;
     }
 
+    match /{somePath=**}/challenges/{challengeId}{
+      allow read;
+    }
+
+    match /contracts/{contractId}/challenges/{challengeId}{
+      allow read;
+      allow create: if request.auth.uid == request.resource.data.creatorId;
+      // allow update if there have been no claims yet and if the challenge is still open
+      allow update: if request.auth.uid == resource.data.creatorId;
+    }
+
     match /users/{userId}/follows/{followUserId} {
       allow read;
       allow write: if request.auth.uid == userId;
@@ -37,8 +60,8 @@ service cloud.firestore {
     }
 
     match /private-users/{userId} {
-      allow read: if resource.data.id == request.auth.uid || isAdmin();
+      allow read: if userId == request.auth.uid || isAdmin();
-      allow update: if (resource.data.id == request.auth.uid || isAdmin())
+      allow update: if (userId == request.auth.uid || isAdmin())
                        && request.resource.data.diff(resource.data).affectedKeys()
                        .hasOnly(['apiKey', 'unsubscribedFromResolutionEmails', 'unsubscribedFromCommentEmails', 'unsubscribedFromAnswerEmails', 'notificationPreferences' ]);
     }
@@ -62,9 +85,9 @@ service cloud.firestore {
     match /contracts/{contractId} {
       allow read;
       allow update: if request.resource.data.diff(resource.data).affectedKeys()
-                                                                 .hasOnly(['tags', 'lowercaseTags']);
+                                                                 .hasOnly(['tags', 'lowercaseTags', 'groupSlugs', 'groupLinks']);
       allow update: if request.resource.data.diff(resource.data).affectedKeys()
-                                                                 .hasOnly(['description', 'closeTime'])
+                                                                 .hasOnly(['description', 'closeTime', 'question'])
                        && resource.data.creatorId == request.auth.uid;
       allow update: if isAdmin();
           match /comments/{commentId} {

functions/.env

@@ -0,0 +1,3 @@
+# This sets which EnvConfig is deployed to Firebase Cloud Functions
+
+NEXT_PUBLIC_FIREBASE_ENV=PROD

functions/.eslintrc.js

@@ -1,7 +1,7 @@
 module.exports = {
   plugins: ['lodash'],
   extends: ['eslint:recommended'],
-  ignorePatterns: ['lib'],
+  ignorePatterns: ['dist', 'lib'],
   env: {
     node: true,
   },
@@ -30,6 +30,7 @@ module.exports = {
     },
   ],
   rules: {
+    'linebreak-style': ['error', 'unix'],
     'lodash/import-scope': [2, 'member'],
   },
 }

functions/.gitignore

@@ -1,10 +1,11 @@
 # Secrets
-.env*
 .runtimeconfig.json
 
+# GCP deployment artifact
+dist/
+
 # Compiled JavaScript files
-lib/**/*.js
+lib/
-lib/**/*.js.map
 
 # TypeScript v1 declaration files
 typings/

functions/.yarnrc

@@ -0,0 +1 @@
+save-prefix ""

functions/README.md

@@ -23,8 +23,11 @@ Adapted from https://firebase.google.com/docs/functions/get-started
 ### 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.`): 0. `$ brew install java`
+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.`):
-   1. `$ sudo ln -sfn /opt/homebrew/opt/openjdk/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk.jdk`
+
+   1. `$ brew install java`
+   2. `$ sudo ln -sfn /opt/homebrew/opt/openjdk/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk.jdk`
+
 2. `$ gcloud auth login` to authenticate the CLI tools to Google Cloud
 3. `$ gcloud config set project <project-id>` to choose the project (`$ gcloud projects list` to see options)
 4. `$ mkdir firestore_export` to create a folder to store the exported database
@@ -51,7 +54,10 @@ Adapted from https://firebase.google.com/docs/functions/get-started
 
 ## Deploying
 
-0. `$ firebase use prod` to switch to prod
+0. After merging, you need to manually deploy to backend:
+1. `git checkout main`
+1. `git pull origin main`
+1. `$ firebase use prod` to switch to prod
 1. `$ firebase deploy --only functions` to push your changes live!
    (Future TODO: auto-deploy functions on Git push)
 

functions/package.json

@@ -5,23 +5,35 @@
     "firestore": "dev-mantic-markets.appspot.com"
   },
   "scripts": {
-    "build": "tsc",
+    "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",
     "start": "yarn shell",
     "deploy": "firebase deploy --only functions",
     "logs": "firebase functions:log",
-    "serve": "yarn build && firebase emulators:start --only functions,firestore --import=./firestore_export",
+    "dev": "nodemon src/serve.ts",
+    "firestore": "firebase emulators:start --only firestore --import=./firestore_export",
+    "serve": "firebase use dev && yarn build && firebase emulators:start --only functions,firestore --import=./firestore_export",
     "db:update-local-from-remote": "yarn db:backup-remote && gsutil rsync -r gs://$npm_package_config_firestore/firestore_export ./firestore_export",
     "db:backup-local": "firebase emulators:export --force ./firestore_export",
     "db:rename-remote-backup-folder": "gsutil mv gs://$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": "(cd .. && yarn verify)",
+    "verify:dir": "npx eslint . --max-warnings 0; tsc -b -v --pretty"
   },
-  "main": "lib/functions/src/index.js",
+  "main": "functions/src/index.js",
   "dependencies": {
     "@amplitude/node": "1.10.0",
-    "fetch": "1.1.0",
+    "@google-cloud/functions-framework": "3.1.2",
+    "@tiptap/core": "2.0.0-beta.181",
+    "@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.190",
+    "cors": "2.8.5",
+    "dayjs": "1.11.4",
+    "express": "4.18.1",
     "firebase-admin": "10.0.0",
     "firebase-functions": "3.21.2",
     "lodash": "4.17.21",

functions/src/accept-challenge.ts

@@ -0,0 +1,167 @@
+import { z } from 'zod'
+import { APIError, newEndpoint, validate } from './api'
+import { log } from './utils'
+import { Contract, CPMMBinaryContract } from '../../common/contract'
+import { User } from '../../common/user'
+import * as admin from 'firebase-admin'
+import { FieldValue } from 'firebase-admin/firestore'
+import { removeUndefinedProps } from '../../common/util/object'
+import { Acceptance, Challenge } from '../../common/challenge'
+import { CandidateBet } from '../../common/new-bet'
+import { createChallengeAcceptedNotification } from './create-notification'
+import { noFees } from '../../common/fees'
+import { formatMoney, formatPercent } from '../../common/util/format'
+
+const bodySchema = z.object({
+  contractId: z.string(),
+  challengeSlug: z.string(),
+  outcomeType: z.literal('BINARY'),
+  closeTime: z.number().gte(Date.now()),
+})
+const firestore = admin.firestore()
+
+export const acceptchallenge = newEndpoint({}, async (req, auth) => {
+  const { challengeSlug, contractId } = validate(bodySchema, req.body)
+
+  const result = await firestore.runTransaction(async (trans) => {
+    const contractDoc = firestore.doc(`contracts/${contractId}`)
+    const userDoc = firestore.doc(`users/${auth.uid}`)
+    const challengeDoc = firestore.doc(
+      `contracts/${contractId}/challenges/${challengeSlug}`
+    )
+    const [contractSnap, userSnap, challengeSnap] = await trans.getAll(
+      contractDoc,
+      userDoc,
+      challengeDoc
+    )
+    if (!contractSnap.exists) throw new APIError(400, 'Contract not found.')
+    if (!userSnap.exists) throw new APIError(400, 'User not found.')
+    if (!challengeSnap.exists) throw new APIError(400, 'Challenge not found.')
+
+    const anyContract = contractSnap.data() as Contract
+    const user = userSnap.data() as User
+    const challenge = challengeSnap.data() as Challenge
+
+    if (challenge.acceptances.length > 0)
+      throw new APIError(400, 'Challenge already accepted.')
+
+    const creatorDoc = firestore.doc(`users/${challenge.creatorId}`)
+    const creatorSnap = await trans.get(creatorDoc)
+    if (!creatorSnap.exists) throw new APIError(400, 'Creator not found.')
+    const creator = creatorSnap.data() as User
+
+    const {
+      creatorAmount,
+      acceptorOutcome,
+      creatorOutcome,
+      creatorOutcomeProb,
+      acceptorAmount,
+    } = challenge
+
+    if (user.balance < acceptorAmount)
+      throw new APIError(400, 'Insufficient balance.')
+
+    if (creator.balance < creatorAmount)
+      throw new APIError(400, 'Creator has insufficient balance.')
+
+    const contract = anyContract as CPMMBinaryContract
+    const shares = (1 / creatorOutcomeProb) * creatorAmount
+    const createdTime = Date.now()
+    const probOfYes =
+      creatorOutcome === 'YES' ? creatorOutcomeProb : 1 - creatorOutcomeProb
+
+    log(
+      'Creating challenge bet for',
+      user.username,
+      shares,
+      acceptorOutcome,
+      'shares',
+      'at',
+      formatPercent(creatorOutcomeProb),
+      'for',
+      formatMoney(acceptorAmount)
+    )
+
+    const yourNewBet: CandidateBet = removeUndefinedProps({
+      orderAmount: acceptorAmount,
+      amount: acceptorAmount,
+      shares,
+      isCancelled: false,
+      contractId: contract.id,
+      outcome: acceptorOutcome,
+      probBefore: probOfYes,
+      probAfter: probOfYes,
+      loanAmount: 0,
+      createdTime,
+      fees: noFees,
+      challengeSlug: challenge.slug,
+    })
+
+    const yourNewBetDoc = contractDoc.collection('bets').doc()
+    trans.create(yourNewBetDoc, {
+      id: yourNewBetDoc.id,
+      userId: user.id,
+      ...yourNewBet,
+    })
+
+    trans.update(userDoc, { balance: FieldValue.increment(-yourNewBet.amount) })
+
+    const creatorNewBet: CandidateBet = removeUndefinedProps({
+      orderAmount: creatorAmount,
+      amount: creatorAmount,
+      shares,
+      isCancelled: false,
+      contractId: contract.id,
+      outcome: creatorOutcome,
+      probBefore: probOfYes,
+      probAfter: probOfYes,
+      loanAmount: 0,
+      createdTime,
+      fees: noFees,
+      challengeSlug: challenge.slug,
+    })
+    const creatorBetDoc = contractDoc.collection('bets').doc()
+    trans.create(creatorBetDoc, {
+      id: creatorBetDoc.id,
+      userId: creator.id,
+      ...creatorNewBet,
+    })
+
+    trans.update(creatorDoc, {
+      balance: FieldValue.increment(-creatorNewBet.amount),
+    })
+
+    const volume = contract.volume + yourNewBet.amount + creatorNewBet.amount
+    trans.update(contractDoc, { volume })
+
+    trans.update(
+      challengeDoc,
+      removeUndefinedProps({
+        acceptedByUserIds: [user.id],
+        acceptances: [
+          {
+            userId: user.id,
+            betId: yourNewBetDoc.id,
+            createdTime,
+            amount: acceptorAmount,
+            userUsername: user.username,
+            userName: user.name,
+            userAvatarUrl: user.avatarUrl,
+          } as Acceptance,
+        ],
+      })
+    )
+
+    await createChallengeAcceptedNotification(
+      user,
+      creator,
+      challenge,
+      acceptorAmount,
+      contract
+    )
+    log('Done, sent notification.')
+    return yourNewBetDoc
+  })
+
+  return { betId: result.id }
+})

functions/src/add-liquidity.ts

@@ -1,104 +1,90 @@
-import * as functions from 'firebase-functions'
 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 { redeemShares } from './redeem-shares'
 import { getNewLiquidityProvision } from '../../common/add-liquidity'
+import { APIError, newEndpoint, validate } from './api'
 
-export const addLiquidity = functions.runWith({ minInstances: 1 }).https.onCall(
+const bodySchema = z.object({
-  async (
+  contractId: z.string(),
-    data: {
+  amount: z.number().gt(0),
-      amount: number
+})
-      contractId: string
-    },
-    context
-  ) => {
-    const userId = context?.auth?.uid
-    if (!userId) return { status: 'error', message: 'Not authorized' }
 
-    const { amount, contractId } = data
+export const addliquidity = newEndpoint({}, async (req, auth) => {
+  const { amount, contractId } = validate(bodySchema, req.body)
 
-    if (amount <= 0 || isNaN(amount) || !isFinite(amount))
+  if (!isFinite(amount)) throw new APIError(400, 'Invalid amount')
-      return { status: 'error', message: 'Invalid amount' }
 
-    // run as transaction to prevent race conditions
+  // run as transaction to prevent race conditions
-    return await firestore
+  return await firestore.runTransaction(async (transaction) => {
-      .runTransaction(async (transaction) => {
+    const userDoc = firestore.doc(`users/${auth.uid}`)
-        const userDoc = firestore.doc(`users/${userId}`)
+    const userSnap = await transaction.get(userDoc)
-        const userSnap = await transaction.get(userDoc)
+    if (!userSnap.exists) throw new APIError(400, 'User not found')
-        if (!userSnap.exists)
+    const user = userSnap.data() as User
-          return { status: 'error', message: 'User not found' }
-        const user = userSnap.data() as User
 
-        const contractDoc = firestore.doc(`contracts/${contractId}`)
+    const contractDoc = firestore.doc(`contracts/${contractId}`)
-        const contractSnap = await transaction.get(contractDoc)
+    const contractSnap = await transaction.get(contractDoc)
-        if (!contractSnap.exists)
+    if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
-          return { status: 'error', message: 'Invalid contract' }
+    const contract = contractSnap.data() as Contract
-        const contract = contractSnap.data() as Contract
+    if (
-        if (
+      contract.mechanism !== 'cpmm-1' ||
-          contract.mechanism !== 'cpmm-1' ||
+      (contract.outcomeType !== 'BINARY' &&
-          contract.outcomeType !== 'BINARY'
+        contract.outcomeType !== 'PSEUDO_NUMERIC')
-        )
+    )
-          return { status: 'error', message: 'Invalid contract' }
+      throw new APIError(400, 'Invalid contract')
 
-        const { closeTime } = contract
+    const { closeTime } = contract
-        if (closeTime && Date.now() > closeTime)
+    if (closeTime && Date.now() > closeTime)
-          return { status: 'error', message: 'Trading is closed' }
+      throw new APIError(400, 'Trading is closed')
 
-        if (user.balance < amount)
+    if (user.balance < amount) throw new APIError(400, 'Insufficient balance')
-          return { status: 'error', message: 'Insufficient balance' }
 
-        const newLiquidityProvisionDoc = firestore
+    const newLiquidityProvisionDoc = firestore
-          .collection(`contracts/${contractId}/liquidity`)
+      .collection(`contracts/${contractId}/liquidity`)
-          .doc()
+      .doc()
 
-        const { newLiquidityProvision, newPool, newP, newTotalLiquidity } =
+    const { newLiquidityProvision, newPool, newP, newTotalLiquidity } =
-          getNewLiquidityProvision(
+      getNewLiquidityProvision(
-            user,
+        user,
-            amount,
+        amount,
-            contract,
+        contract,
-            newLiquidityProvisionDoc.id
+        newLiquidityProvisionDoc.id
-          )
+      )
 
-        if (newP !== undefined && !isFinite(newP)) {
+    if (newP !== undefined && !isFinite(newP)) {
-          return {
+      return {
-            status: 'error',
+        status: 'error',
-            message: 'Liquidity injection rejected due to overflow error.',
+        message: 'Liquidity injection rejected due to overflow error.',
-          }
+      }
-        }
+    }
 
-        transaction.update(
+    transaction.update(
-          contractDoc,
+      contractDoc,
-          removeUndefinedProps({
+      removeUndefinedProps({
-            pool: newPool,
+        pool: newPool,
-            p: newP,
+        p: newP,
-            totalLiquidity: newTotalLiquidity,
+        totalLiquidity: newTotalLiquidity,
-          })
-        )
-
-        const newBalance = user.balance - amount
-        const newTotalDeposits = user.totalDeposits - amount
-
-        if (!isFinite(newBalance)) {
-          throw new Error('Invalid user balance for ' + user.username)
-        }
-
-        transaction.update(userDoc, {
-          balance: newBalance,
-          totalDeposits: newTotalDeposits,
-        })
-
-        transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
-
-        return { status: 'success', newLiquidityProvision }
       })
-      .then(async (result) => {
+    )
-        await redeemShares(userId, contractId)
+
-        return result
+    const newBalance = user.balance - amount
-      })
+    const newTotalDeposits = user.totalDeposits - amount
-  }
+
-)
+    if (!isFinite(newBalance)) {
+      throw new APIError(500, 'Invalid user balance for ' + user.username)
+    }
+
+    transaction.update(userDoc, {
+      balance: newBalance,
+      totalDeposits: newTotalDeposits,
+    })
+
+    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
+
+    return newLiquidityProvision
+  })
+})
 
 const firestore = admin.firestore()

functions/src/api.ts

@@ -1,14 +1,17 @@
 import * as admin from 'firebase-admin'
-import { logger } from 'firebase-functions/v2'
+import { Request, RequestHandler, Response } from 'express'
-import { HttpsOptions, onRequest, Request } from 'firebase-functions/v2/https'
+import { error } from 'firebase-functions/logger'
+import { HttpsOptions } from 'firebase-functions/v2/https'
 import { log } from './utils'
 import { z } from 'zod'
-
+import { APIError } from '../../common/api'
 import { PrivateUser } from '../../common/user'
 import {
   CORS_ORIGIN_MANIFOLD,
   CORS_ORIGIN_LOCALHOST,
+  CORS_ORIGIN_VERCEL,
 } from '../../common/envs/constants'
+export { APIError } from '../../common/api'
 
 type Output = Record<string, unknown>
 type AuthedUser = {
@@ -20,17 +23,6 @@ type JwtCredentials = { kind: 'jwt'; data: admin.auth.DecodedIdToken }
 type KeyCredentials = { kind: 'key'; data: string }
 type Credentials = JwtCredentials | KeyCredentials
 
-export class APIError {
-  code: number
-  msg: string
-  details: unknown
-  constructor(code: number, msg: string, details?: unknown) {
-    this.code = code
-    this.msg = msg
-    this.details = details
-  }
-}
-
 const auth = admin.auth()
 const firestore = admin.firestore()
 const privateUsers = firestore.collection(
@@ -54,7 +46,7 @@ export const parseCredentials = async (req: Request): Promise<Credentials> => {
         return { kind: 'jwt', data: await auth.verifyIdToken(payload) }
       } catch (err) {
         // This is somewhat suspicious, so get it into the firebase console
-        logger.error('Error verifying Firebase JWT: ', err)
+        error('Error verifying Firebase JWT: ', err)
         throw new APIError(403, 'Error validating token.')
       }
     case 'Key':
@@ -86,12 +78,30 @@ export const lookupUser = async (creds: Credentials): Promise<AuthedUser> => {
   }
 }
 
+export const writeResponseError = (e: unknown, res: Response) => {
+  if (e instanceof APIError) {
+    const output: { [k: string]: unknown } = { message: e.message }
+    if (e.details != null) {
+      output.details = e.details
+    }
+    res.status(e.code).json(output)
+  } else {
+    error(e)
+    res.status(500).json({ message: 'An unknown error occurred.' })
+  }
+}
+
 export const zTimestamp = () => {
   return z.preprocess((arg) => {
     return typeof arg == 'number' ? new Date(arg) : undefined
   }, z.date())
 }
 
+export type EndpointDefinition = {
+  opts: EndpointOptions & { method: string }
+  handler: RequestHandler
+}
+
 export const validate = <T extends z.ZodTypeAny>(schema: T, val: unknown) => {
   const result = schema.safeParse(val)
   if (!result.success) {
@@ -108,35 +118,34 @@ export const validate = <T extends z.ZodTypeAny>(schema: T, val: unknown) => {
   }
 }
 
-const DEFAULT_OPTS: HttpsOptions = {
+export interface EndpointOptions extends HttpsOptions {
+  method?: string
+}
+
+const DEFAULT_OPTS = {
+  method: 'POST',
   minInstances: 1,
   concurrency: 100,
   memory: '2GiB',
   cpu: 1,
-  cors: [CORS_ORIGIN_MANIFOLD, CORS_ORIGIN_LOCALHOST],
+  cors: [CORS_ORIGIN_MANIFOLD, CORS_ORIGIN_VERCEL, CORS_ORIGIN_LOCALHOST],
 }
 
-export const newEndpoint = (methods: [string], fn: Handler) =>
+export const newEndpoint = (endpointOpts: EndpointOptions, fn: Handler) => {
-  onRequest(DEFAULT_OPTS, async (req, res) => {
+  const opts = Object.assign({}, DEFAULT_OPTS, endpointOpts)
-    log('Request processing started.')
+  return {
-    try {
+    opts,
-      if (!methods.includes(req.method)) {
+    handler: async (req: Request, res: Response) => {
-        const allowed = methods.join(', ')
+      log(`${req.method} ${req.url} ${JSON.stringify(req.body)}`)
-        throw new APIError(405, `This endpoint supports only ${allowed}.`)
+      try {
-      }
+        if (opts.method !== req.method) {
-      const authedUser = await lookupUser(await parseCredentials(req))
+          throw new APIError(405, `This endpoint supports only ${opts.method}.`)
-      log('User credentials processed.')
-      res.status(200).json(await fn(req, authedUser))
-    } catch (e) {
-      if (e instanceof APIError) {
-        const output: { [k: string]: unknown } = { message: e.msg }
-        if (e.details != null) {
-          output.details = e.details
         }
-        res.status(e.code).json(output)
+        const authedUser = await lookupUser(await parseCredentials(req))
-      } else {
+        res.status(200).json(await fn(req, authedUser))
-        logger.error(e)
+      } catch (e) {
-        res.status(500).json({ message: 'An unknown error occurred.' })
+        writeResponseError(e, res)
       }
-    }
+    },
-  })
+  } as EndpointDefinition
+}

functions/src/backup-db.ts

@@ -18,46 +18,63 @@
 
 import * as functions from 'firebase-functions'
 import * as firestore from '@google-cloud/firestore'
-const client = new firestore.v1.FirestoreAdminClient()
+import { FirestoreAdminClient } from '@google-cloud/firestore/types/v1/firestore_admin_client'
 
-const bucket = 'gs://manifold-firestore-backup'
+export const backupDbCore = async (
+  client: FirestoreAdminClient,
+  project: string,
+  bucket: string
+) => {
+  const name = client.databasePath(project, '(default)')
+  const outputUriPrefix = `gs://${bucket}`
+  // Leave collectionIds empty to export all collections
+  // or set to a list of collection IDs to export,
+  // collectionIds: ['users', 'posts']
+  // NOTE: Subcollections are not backed up by default
+  const collectionIds = [
+    'contracts',
+    'groups',
+    'private-users',
+    'stripe-transactions',
+    'transactions',
+    'users',
+    'bets',
+    'comments',
+    'follows',
+    'followers',
+    'answers',
+    'txns',
+    'manalinks',
+    'liquidity',
+    'stats',
+    'cache',
+    'latency',
+    'views',
+    'notifications',
+    'portfolioHistory',
+    'folds',
+  ]
+  return await client.exportDocuments({ name, outputUriPrefix, collectionIds })
+}
 
 export const backupDb = functions.pubsub
   .schedule('every 24 hours')
-  .onRun((_context) => {
+  .onRun(async (_context) => {
-    const projectId = process.env.GCP_PROJECT || process.env.GCLOUD_PROJECT
+    try {
-    if (projectId == null) {
+      const client = new firestore.v1.FirestoreAdminClient()
-      throw new Error('No project ID environment variable set.')
+      const project = process.env.GCP_PROJECT || process.env.GCLOUD_PROJECT
+      if (project == null) {
+        throw new Error('No project ID environment variable set.')
+      }
+      const responses = await backupDbCore(
+        client,
+        project,
+        'manifold-firestore-backup'
+      )
+      const response = responses[0]
+      console.log(`Operation Name: ${response['name']}`)
+    } catch (err) {
+      console.error(err)
+      throw new Error('Export operation failed')
     }
-    const databaseName = client.databasePath(projectId, '(default)')
-
-    return client
-      .exportDocuments({
-        name: databaseName,
-        outputUriPrefix: bucket,
-        // Leave collectionIds empty to export all collections
-        // or set to a list of collection IDs to export,
-        // collectionIds: ['users', 'posts']
-        // NOTE: Subcollections are not backed up by default
-        collectionIds: [
-          'contracts',
-          'groups',
-          'private-users',
-          'stripe-transactions',
-          'users',
-          'bets',
-          'comments',
-          'followers',
-          'answers',
-          'txns',
-        ],
-      })
-      .then((responses) => {
-        const response = responses[0]
-        console.log(`Operation Name: ${response['name']}`)
-      })
-      .catch((err) => {
-        console.error(err)
-        throw new Error('Export operation failed')
-      })
   })

functions/src/call-cloud-function.ts

@@ -1,17 +0,0 @@
-import * as admin from 'firebase-admin'
-
-import fetch from './fetch'
-
-export const callCloudFunction = (functionName: string, data: unknown = {}) => {
-  const projectId = admin.instanceId().app.options.projectId
-
-  const url = `https://us-central1-${projectId}.cloudfunctions.net/${functionName}`
-
-  return fetch(url, {
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-    },
-    body: JSON.stringify({ data }),
-  }).then((response) => response.json())
-}

functions/src/cancel-bet.ts

@@ -0,0 +1,33 @@
+import * as admin from 'firebase-admin'
+import { z } from 'zod'
+import { APIError, newEndpoint, validate } from './api'
+import { LimitBet } from '../../common/bet'
+
+const bodySchema = z.object({
+  betId: z.string(),
+})
+
+export const cancelbet = newEndpoint({}, async (req, auth) => {
+  const { betId } = validate(bodySchema, req.body)
+
+  return await firestore.runTransaction(async (trans) => {
+    const snap = await trans.get(
+      firestore.collectionGroup('bets').where('id', '==', betId)
+    )
+    const betDoc = snap.docs[0]
+    if (!betDoc?.exists) throw new APIError(400, 'Bet not found.')
+
+    const bet = betDoc.data() as LimitBet
+    if (bet.userId !== auth.uid)
+      throw new APIError(400, 'Not authorized to cancel bet.')
+    if (bet.limitProb === undefined)
+      throw new APIError(400, 'Not a limit order: Cannot cancel.')
+    if (bet.isCancelled) throw new APIError(400, 'Bet already cancelled.')
+
+    trans.update(betDoc.ref, { isCancelled: true })
+
+    return { ...bet, isCancelled: true }
+  })
+})
+
+const firestore = admin.firestore()

functions/src/change-user-info.ts

@@ -1,5 +1,5 @@
-import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { z } from 'zod'
 
 import { getUser } from './utils'
 import { Contract } from '../../common/contract'
@@ -11,37 +11,23 @@ import {
 } from '../../common/util/clean-username'
 import { removeUndefinedProps } from '../../common/util/object'
 import { Answer } from '../../common/answer'
+import { APIError, newEndpoint, validate } from './api'
 
-export const changeUserInfo = functions
+const bodySchema = z.object({
-  .runWith({ minInstances: 1 })
+  username: z.string().optional(),
-  .https.onCall(
+  name: z.string().optional(),
-    async (
+  avatarUrl: z.string().optional(),
-      data: {
+})
-        username?: string
-        name?: string
-        avatarUrl?: string
-      },
-      context
-    ) => {
-      const userId = context?.auth?.uid
-      if (!userId) return { status: 'error', message: 'Not authorized' }
 
-      const user = await getUser(userId)
+export const changeuserinfo = newEndpoint({}, async (req, auth) => {
-      if (!user) return { status: 'error', message: 'User not found' }
+  const { username, name, avatarUrl } = validate(bodySchema, req.body)
 
-      const { username, name, avatarUrl } = data
+  const user = await getUser(auth.uid)
+  if (!user) throw new APIError(400, 'User not found')
 
-      return await changeUser(user, { username, name, avatarUrl })
+  await changeUser(user, { username, name, avatarUrl })
-        .then(() => {
+  return { message: 'Successfully changed user info.' }
-          console.log('succesfully changed', user.username, 'to', data)
+})
-          return { status: 'success' }
-        })
-        .catch((e) => {
-          console.log('Error', e.message)
-          return { status: 'error', message: e.message }
-        })
-    }
-  )
 
 export const changeUser = async (
   user: User,
@@ -55,14 +41,14 @@ export const changeUser = async (
     if (update.username) {
       update.username = cleanUsername(update.username)
       if (!update.username) {
-        throw new Error('Invalid username')
+        throw new APIError(400, 'Invalid username')
       }
 
       const sameNameUser = await transaction.get(
         firestore.collection('users').where('username', '==', update.username)
       )
       if (!sameNameUser.empty) {
-        throw new Error('Username already exists')
+        throw new APIError(400, 'Username already exists')
       }
     }
 
@@ -104,17 +90,10 @@ export const changeUser = async (
     )
     const answerUpdate: Partial<Answer> = removeUndefinedProps(update)
 
-    await transaction.update(userRef, userUpdate)
+    transaction.update(userRef, userUpdate)
-
+    commentSnap.docs.forEach((d) => transaction.update(d.ref, commentUpdate))
-    await Promise.all(
+    answerSnap.docs.forEach((d) => transaction.update(d.ref, answerUpdate))
-      commentSnap.docs.map((d) => transaction.update(d.ref, commentUpdate))
+    contracts.docs.forEach((d) => transaction.update(d.ref, contractUpdate))
-    )
-
-    await Promise.all(
-      answerSnap.docs.map((d) => transaction.update(d.ref, answerUpdate))
-    )
-
-    await contracts.docs.map((d) => transaction.update(d.ref, contractUpdate))
   })
 }
 

functions/src/claim-manalink.ts

@@ -1,102 +1,107 @@
-import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { z } from 'zod'
 
 import { User } from 'common/user'
 import { Manalink } from 'common/manalink'
 import { runTxn, TxnData } from './transact'
+import { APIError, newEndpoint, validate } from './api'
 
-export const claimManalink = functions
+const bodySchema = z.object({
-  .runWith({ minInstances: 1 })
+  slug: z.string(),
-  .https.onCall(async (slug: string, context) => {
+})
-    const userId = context?.auth?.uid
-    if (!userId) return { status: 'error', message: 'Not authorized' }
 
-    // Run as transaction to prevent race conditions.
+export const claimmanalink = newEndpoint({}, async (req, auth) => {
-    return await firestore.runTransaction(async (transaction) => {
+  const { slug } = validate(bodySchema, req.body)
-      // Look up the manalink
-      const manalinkDoc = firestore.doc(`manalinks/${slug}`)
-      const manalinkSnap = await transaction.get(manalinkDoc)
-      if (!manalinkSnap.exists) {
-        return { status: 'error', message: 'Manalink not found' }
-      }
-      const manalink = manalinkSnap.data() as Manalink
 
-      const { amount, fromId, claimedUserIds } = manalink
+  // Run as transaction to prevent race conditions.
+  return await firestore.runTransaction(async (transaction) => {
+    // Look up the manalink
+    const manalinkDoc = firestore.doc(`manalinks/${slug}`)
+    const manalinkSnap = await transaction.get(manalinkDoc)
+    if (!manalinkSnap.exists) {
+      throw new APIError(400, 'Manalink not found')
+    }
+    const manalink = manalinkSnap.data() as Manalink
 
-      if (amount <= 0 || isNaN(amount) || !isFinite(amount))
+    const { amount, fromId, claimedUserIds } = manalink
-        return { status: 'error', message: 'Invalid amount' }
 
-      const fromDoc = firestore.doc(`users/${fromId}`)
+    if (amount <= 0 || isNaN(amount) || !isFinite(amount))
-      const fromSnap = await transaction.get(fromDoc)
+      throw new APIError(500, 'Invalid amount')
-      if (!fromSnap.exists) {
-        return { status: 'error', message: `User ${fromId} not found` }
-      }
-      const fromUser = fromSnap.data() as User
 
-      // Only permit one redemption per user per link
+    if (auth.uid === fromId)
-      if (claimedUserIds.includes(userId)) {
+      throw new APIError(400, `You can't claim your own manalink`)
-        return {
-          status: 'error',
-          message: `${fromUser.name} already redeemed manalink ${slug}`,
-        }
-      }
 
-      // Disallow expired or maxed out links
+    const fromDoc = firestore.doc(`users/${fromId}`)
-      if (manalink.expiresTime != null && manalink.expiresTime < Date.now()) {
+    const fromSnap = await transaction.get(fromDoc)
-        return {
+    if (!fromSnap.exists) {
-          status: 'error',
+      throw new APIError(500, `User ${fromId} not found`)
-          message: `Manalink ${slug} expired on ${new Date(
+    }
-            manalink.expiresTime
+    const fromUser = fromSnap.data() as User
-          ).toLocaleString()}`,
-        }
-      }
-      if (
-        manalink.maxUses != null &&
-        manalink.maxUses <= manalink.claims.length
-      ) {
-        return {
-          status: 'error',
-          message: `Manalink ${slug} has reached its max uses of ${manalink.maxUses}`,
-        }
-      }
 
-      if (fromUser.balance < amount) {
+    // Only permit one redemption per user per link
-        return {
+    if (claimedUserIds.includes(auth.uid)) {
-          status: 'error',
+      throw new APIError(400, `You already redeemed manalink ${slug}`)
-          message: `Insufficient balance: ${fromUser.name} needed ${amount} for this manalink but only had ${fromUser.balance} `,
+    }
-        }
-      }
 
-      // Actually execute the txn
+    // Disallow expired or maxed out links
-      const data: TxnData = {
+    if (manalink.expiresTime != null && manalink.expiresTime < Date.now()) {
-        fromId,
+      throw new APIError(
-        fromType: 'USER',
+        400,
-        toId: userId,
+        `Manalink ${slug} expired on ${new Date(
-        toType: 'USER',
+          manalink.expiresTime
-        amount,
+        ).toLocaleString()}`
-        token: 'M$',
+      )
-        category: 'MANALINK',
+    }
-        description: `Manalink ${slug} claimed: ${amount} from ${fromUser.username} to ${userId}`,
+    if (
-      }
+      manalink.maxUses != null &&
-      const result = await runTxn(transaction, data)
+      manalink.maxUses <= manalink.claims.length
-      const txnId = result.txn?.id
+    ) {
-      if (!txnId) {
+      throw new APIError(
-        return { status: 'error', message: result.message }
+        400,
-      }
+        `Manalink ${slug} has reached its max uses of ${manalink.maxUses}`
+      )
+    }
 
-      // Update the manalink object with this info
+    if (fromUser.balance < amount) {
-      const claim = {
+      throw new APIError(
-        toId: userId,
+        400,
-        txnId,
+        `Insufficient balance: ${fromUser.name} needed ${amount} for this manalink but only had ${fromUser.balance} `
-        claimedTime: Date.now(),
+      )
-      }
+    }
-      transaction.update(manalinkDoc, {
-        claimedUserIds: [...claimedUserIds, userId],
-        claims: [...manalink.claims, claim],
-      })
 
-      return { status: 'success', message: 'Manalink claimed' }
+    // Actually execute the txn
+    const data: TxnData = {
+      fromId,
+      fromType: 'USER',
+      toId: auth.uid,
+      toType: 'USER',
+      amount,
+      token: 'M$',
+      category: 'MANALINK',
+      description: `Manalink ${slug} claimed: ${amount} from ${fromUser.username} to ${auth.uid}`,
+    }
+    const result = await runTxn(transaction, data)
+    const txnId = result.txn?.id
+    if (!txnId) {
+      throw new APIError(
+        500,
+        result.message ?? 'An error occurred posting the transaction.'
+      )
+    }
+
+    // Update the manalink object with this info
+    const claim = {
+      toId: auth.uid,
+      txnId,
+      claimedTime: Date.now(),
+    }
+    transaction.update(manalinkDoc, {
+      claimedUserIds: [...claimedUserIds, auth.uid],
+      claims: [...manalink.claims, claim],
     })
+
+    return { message: 'Manalink claimed' }
   })
+})
 
 const firestore = admin.firestore()

functions/src/create-answer.ts

@@ -1,5 +1,5 @@
-import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { z } from 'zod'
 
 import { Contract } from '../../common/contract'
 import { User } from '../../common/user'
@@ -7,120 +7,103 @@ import { getNewMultiBetInfo } from '../../common/new-bet'
 import { Answer, MAX_ANSWER_LENGTH } from '../../common/answer'
 import { getContract, getValues } from './utils'
 import { sendNewAnswerEmail } from './emails'
+import { APIError, newEndpoint, validate } from './api'
 
-export const createAnswer = functions
+const bodySchema = z.object({
-  .runWith({ minInstances: 1, secrets: ['MAILGUN_KEY'] })
+  contractId: z.string().max(MAX_ANSWER_LENGTH),
-  .https.onCall(
+  amount: z.number().gt(0),
-    async (
+  text: z.string(),
-      data: {
+})
-        contractId: string
-        amount: number
-        text: string
-      },
-      context
-    ) => {
-      const userId = context?.auth?.uid
-      if (!userId) return { status: 'error', message: 'Not authorized' }
 
-      const { contractId, amount, text } = data
+const opts = { secrets: ['MAILGUN_KEY'] }
 
-      if (amount <= 0 || isNaN(amount) || !isFinite(amount))
+export const createanswer = newEndpoint(opts, async (req, auth) => {
-        return { status: 'error', message: 'Invalid amount' }
+  const { contractId, amount, text } = validate(bodySchema, req.body)
 
-      if (!text || typeof text !== 'string' || text.length > MAX_ANSWER_LENGTH)
+  if (!isFinite(amount)) throw new APIError(400, 'Invalid amount')
-        return { status: 'error', message: 'Invalid text' }
 
-      // Run as transaction to prevent race conditions.
+  // Run as transaction to prevent race conditions.
-      const result = await firestore.runTransaction(async (transaction) => {
+  const answer = await firestore.runTransaction(async (transaction) => {
-        const userDoc = firestore.doc(`users/${userId}`)
+    const userDoc = firestore.doc(`users/${auth.uid}`)
-        const userSnap = await transaction.get(userDoc)
+    const userSnap = await transaction.get(userDoc)
-        if (!userSnap.exists)
+    if (!userSnap.exists) throw new APIError(400, 'User not found')
-          return { status: 'error', message: 'User not found' }
+    const user = userSnap.data() as User
-        const user = userSnap.data() as User
 
-        if (user.balance < amount)
+    if (user.balance < amount) throw new APIError(400, 'Insufficient balance')
-          return { status: 'error', message: 'Insufficient balance' }
 
-        const contractDoc = firestore.doc(`contracts/${contractId}`)
+    const contractDoc = firestore.doc(`contracts/${contractId}`)
-        const contractSnap = await transaction.get(contractDoc)
+    const contractSnap = await transaction.get(contractDoc)
-        if (!contractSnap.exists)
+    if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
-          return { status: 'error', message: 'Invalid contract' }
+    const contract = contractSnap.data() as Contract
-        const contract = contractSnap.data() as Contract
 
-        if (contract.outcomeType !== 'FREE_RESPONSE')
+    if (contract.outcomeType !== 'FREE_RESPONSE')
-          return {
+      throw new APIError(400, 'Requires a free response contract')
-            status: 'error',
-            message: 'Requires a free response contract',
-          }
 
-        const { closeTime, volume } = contract
+    const { closeTime, volume } = contract
-        if (closeTime && Date.now() > closeTime)
+    if (closeTime && Date.now() > closeTime)
-          return { status: 'error', message: 'Trading is closed' }
+      throw new APIError(400, 'Trading is closed')
 
-        const [lastAnswer] = await getValues<Answer>(
+    const [lastAnswer] = await getValues<Answer>(
-          firestore
+      firestore
-            .collection(`contracts/${contractId}/answers`)
+        .collection(`contracts/${contractId}/answers`)
-            .orderBy('number', 'desc')
+        .orderBy('number', 'desc')
-            .limit(1)
+        .limit(1)
-        )
+    )
 
-        if (!lastAnswer)
+    if (!lastAnswer) throw new APIError(500, 'Could not fetch last answer')
-          return { status: 'error', message: 'Could not fetch last answer' }
 
-        const number = lastAnswer.number + 1
+    const number = lastAnswer.number + 1
-        const id = `${number}`
+    const id = `${number}`
 
-        const newAnswerDoc = firestore
+    const newAnswerDoc = firestore
-          .collection(`contracts/${contractId}/answers`)
+      .collection(`contracts/${contractId}/answers`)
-          .doc(id)
+      .doc(id)
 
-        const answerId = newAnswerDoc.id
+    const answerId = newAnswerDoc.id
-        const { username, name, avatarUrl } = user
+    const { username, name, avatarUrl } = user
 
-        const answer: Answer = {
+    const answer: Answer = {
-          id,
+      id,
-          number,
+      number,
-          contractId,
+      contractId,
-          createdTime: Date.now(),
+      createdTime: Date.now(),
-          userId: user.id,
+      userId: user.id,
-          username,
+      username,
-          name,
+      name,
-          avatarUrl,
+      avatarUrl,
-          text,
+      text,
-        }
-        transaction.create(newAnswerDoc, answer)
-
-        const { newBet, newPool, newTotalShares, newTotalBets } =
-          getNewMultiBetInfo(answerId, amount, contract)
-
-        const newBalance = user.balance - amount
-        const betDoc = firestore
-          .collection(`contracts/${contractId}/bets`)
-          .doc()
-        transaction.create(betDoc, {
-          id: betDoc.id,
-          userId: user.id,
-          ...newBet,
-        })
-        transaction.update(userDoc, { balance: newBalance })
-        transaction.update(contractDoc, {
-          pool: newPool,
-          totalShares: newTotalShares,
-          totalBets: newTotalBets,
-          answers: [...(contract.answers ?? []), answer],
-          volume: volume + amount,
-        })
-
-        return { status: 'success', answerId, betId: betDoc.id, answer }
-      })
-
-      const { answer } = result
-      const contract = await getContract(contractId)
-
-      if (answer && contract) await sendNewAnswerEmail(answer, contract)
-
-      return result
     }
-  )
+    transaction.create(newAnswerDoc, answer)
+
+    const loanAmount = 0
+
+    const { newBet, newPool, newTotalShares, newTotalBets } =
+      getNewMultiBetInfo(answerId, amount, contract, loanAmount)
+
+    const newBalance = user.balance - amount
+    const betDoc = firestore.collection(`contracts/${contractId}/bets`).doc()
+    transaction.create(betDoc, {
+      id: betDoc.id,
+      userId: user.id,
+      ...newBet,
+    })
+    transaction.update(userDoc, { balance: newBalance })
+    transaction.update(contractDoc, {
+      pool: newPool,
+      totalShares: newTotalShares,
+      totalBets: newTotalBets,
+      answers: [...(contract.answers ?? []), answer],
+      volume: volume + amount,
+    })
+
+    return answer
+  })
+
+  const contract = await getContract(contractId)
+
+  if (answer && contract) await sendNewAnswerEmail(answer, contract)
+
+  return answer
+})
 
 const firestore = admin.firestore()

functions/src/create-contract.ts

@@ -2,36 +2,64 @@ import * as admin from 'firebase-admin'
 import { z } from 'zod'
 
 import {
-  CPMMBinaryContract,
   Contract,
+  CPMMBinaryContract,
   FreeResponseContract,
-  MAX_DESCRIPTION_LENGTH,
   MAX_QUESTION_LENGTH,
   MAX_TAG_LENGTH,
+  MultipleChoiceContract,
   NumericContract,
   OUTCOME_TYPES,
 } from '../../common/contract'
 import { slugify } from '../../common/util/slugify'
 import { randomString } from '../../common/util/random'
 
-import { chargeUser } from './utils'
+import { chargeUser, getContract } from './utils'
 import { APIError, newEndpoint, validate, zTimestamp } from './api'
 
 import {
   FIXED_ANTE,
   getCpmmInitialLiquidity,
   getFreeAnswerAnte,
+  getMultipleChoiceAntes,
   getNumericAnte,
 } from '../../common/antes'
-import { getNoneAnswer } from '../../common/answer'
+import { Answer, getNoneAnswer } from '../../common/answer'
 import { getNewContract } from '../../common/new-contract'
 import { NUMERIC_BUCKET_COUNT } from '../../common/numeric-constants'
 import { User } from '../../common/user'
-import { Group, MAX_ID_LENGTH } from '../../common/group'
+import { Group, GroupLink, MAX_ID_LENGTH } from '../../common/group'
+import { getPseudoProbability } from '../../common/pseudo-numeric'
+import { JSONContent } from '@tiptap/core'
+import { uniq, zip } from 'lodash'
+import { Bet } from '../../common/bet'
+
+const descScehma: 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(descScehma).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 bodySchema = z.object({
   question: z.string().min(1).max(MAX_QUESTION_LENGTH),
-  description: z.string().max(MAX_DESCRIPTION_LENGTH),
+  description: descScehma.optional(),
   tags: z.array(z.string().min(1).max(MAX_TAG_LENGTH)).optional(),
   closeTime: zTimestamp().refine(
     (date) => date.getTime() > new Date().getTime(),
@@ -45,24 +73,54 @@ const binarySchema = z.object({
   initialProb: z.number().min(1).max(99),
 })
 
+const finite = () =>
+  z.number().gte(Number.MIN_SAFE_INTEGER).lte(Number.MAX_SAFE_INTEGER)
+
 const numericSchema = z.object({
-  min: z.number(),
+  min: finite(),
-  max: z.number(),
+  max: finite(),
+  initialValue: finite(),
+  isLogScale: z.boolean().optional(),
 })
 
-export const createmarket = newEndpoint(['POST'], async (req, auth) => {
+const multipleChoiceSchema = z.object({
+  answers: z.string().trim().min(1).array().min(2),
+})
+
+export const createmarket = newEndpoint({}, async (req, auth) => {
   const { question, description, tags, closeTime, outcomeType, groupId } =
     validate(bodySchema, req.body)
 
-  let min, max, initialProb
+  let min, max, initialProb, isLogScale, answers
-  if (outcomeType === 'NUMERIC') {
+
-    ;({ min, max } = validate(numericSchema, req.body))
+  if (outcomeType === 'PSEUDO_NUMERIC' || outcomeType === 'NUMERIC') {
-    if (max - min <= 0.01) throw new APIError(400, 'Invalid range.')
+    let initialValue
+    ;({ min, max, initialValue, isLogScale } = validate(
+      numericSchema,
+      req.body
+    ))
+    if (max - min <= 0.01 || initialValue <= min || initialValue >= max)
+      throw new APIError(400, 'Invalid range.')
+
+    initialProb = getPseudoProbability(initialValue, min, max, isLogScale) * 100
+
+    if (initialProb < 1 || initialProb > 99)
+      if (outcomeType === 'PSEUDO_NUMERIC')
+        throw new APIError(
+          400,
+          `Initial value is too ${initialProb < 1 ? 'low' : 'high'}`
+        )
+      else throw new APIError(400, 'Invalid initial probability.')
   }
+
   if (outcomeType === 'BINARY') {
     ;({ initialProb } = validate(binarySchema, req.body))
   }
 
+  if (outcomeType === 'MULTIPLE_CHOICE') {
+    ;({ answers } = validate(multipleChoiceSchema, req.body))
+  }
+
   const userDoc = await firestore.collection('users').doc(auth.uid).get()
   if (!userDoc.exists) {
     throw new APIError(400, 'No user exists with the authenticated user ID.')
@@ -78,27 +136,6 @@ export const createmarket = newEndpoint(['POST'], async (req, auth) => {
   const slug = await getSlug(question)
   const contractRef = firestore.collection('contracts').doc()
 
-  let group = null
-  if (groupId) {
-    const groupDocRef = await firestore.collection('groups').doc(groupId)
-    const groupDoc = await groupDocRef.get()
-    if (!groupDoc.exists) {
-      throw new APIError(400, 'No group exists with the given group ID.')
-    }
-
-    group = groupDoc.data() as Group
-    if (!group.memberIds.includes(user.id)) {
-      throw new APIError(
-        400,
-        'User must be a member of the group to add markets to it.'
-      )
-    }
-    if (!group.contractIds.includes(contractRef.id))
-      await groupDocRef.update({
-        contractIds: [...group.contractIds, contractRef.id],
-      })
-  }
-
   console.log(
     'creating contract for',
     user.username,
@@ -114,23 +151,52 @@ export const createmarket = newEndpoint(['POST'], async (req, auth) => {
     user,
     question,
     outcomeType,
-    description,
+    description ?? {},
     initialProb ?? 0,
     ante,
     closeTime.getTime(),
     tags ?? [],
     NUMERIC_BUCKET_COUNT,
     min ?? 0,
-    max ?? 0
+    max ?? 0,
+    isLogScale ?? false,
+    answers ?? []
   )
 
   if (ante) await chargeUser(user.id, ante, true)
 
   await contractRef.create(contract)
 
+  let group = null
+  if (groupId) {
+    const groupDocRef = firestore.collection('groups').doc(groupId)
+    const groupDoc = await groupDocRef.get()
+    if (!groupDoc.exists) {
+      throw new APIError(400, 'No group exists with the given group ID.')
+    }
+
+    group = groupDoc.data() as Group
+    if (
+      !group.memberIds.includes(user.id) &&
+      !group.anyoneCanJoin &&
+      group.creatorId !== user.id
+    ) {
+      throw new APIError(
+        400,
+        'User must be a member/creator of the group or group must be open to add markets to it.'
+      )
+    }
+    if (!group.contractIds.includes(contractRef.id)) {
+      await createGroupLinks(group, [contractRef.id], auth.uid)
+      await groupDocRef.update({
+        contractIds: uniq([...group.contractIds, contractRef.id]),
+      })
+    }
+  }
+
   const providerId = user.id
 
-  if (outcomeType === 'BINARY') {
+  if (outcomeType === 'BINARY' || outcomeType === 'PSEUDO_NUMERIC') {
     const liquidityDoc = firestore
       .collection(`contracts/${contract.id}/liquidity`)
       .doc()
@@ -143,6 +209,31 @@ export const createmarket = newEndpoint(['POST'], async (req, auth) => {
     )
 
     await liquidityDoc.set(lp)
+  } else if (outcomeType === 'MULTIPLE_CHOICE') {
+    const betCol = firestore.collection(`contracts/${contract.id}/bets`)
+    const betDocs = (answers ?? []).map(() => betCol.doc())
+
+    const answerCol = firestore.collection(`contracts/${contract.id}/answers`)
+    const answerDocs = (answers ?? []).map((_, i) =>
+      answerCol.doc(i.toString())
+    )
+
+    const { bets, answerObjects } = getMultipleChoiceAntes(
+      user,
+      contract as MultipleChoiceContract,
+      answers ?? [],
+      betDocs.map((bd) => bd.id)
+    )
+
+    await Promise.all(
+      zip(bets, betDocs).map(([bet, doc]) => doc?.create(bet as Bet))
+    )
+    await Promise.all(
+      zip(answerObjects, answerDocs).map(([answer, doc]) =>
+        doc?.create(answer as Answer)
+      )
+    )
+    await contractRef.update({ answers: answerObjects })
   } else if (outcomeType === 'FREE_RESPONSE') {
     const noneAnswerDoc = firestore
       .collection(`contracts/${contract.id}/answers`)
@@ -199,3 +290,38 @@ export async function getContractFromSlug(slug: string) {
 
   return snap.empty ? undefined : (snap.docs[0].data() as Contract)
 }
+
+async function createGroupLinks(
+  group: Group,
+  contractIds: string[],
+  userId: string
+) {
+  for (const contractId of contractIds) {
+    const contract = await getContract(contractId)
+    if (!contract?.groupSlugs?.includes(group.slug)) {
+      await firestore
+        .collection('contracts')
+        .doc(contractId)
+        .update({
+          groupSlugs: uniq([group.slug, ...(contract?.groupSlugs ?? [])]),
+        })
+    }
+    if (!contract?.groupLinks?.map((gl) => gl.groupId).includes(group.id)) {
+      await firestore
+        .collection('contracts')
+        .doc(contractId)
+        .update({
+          groupLinks: [
+            {
+              groupId: group.id,
+              name: group.name,
+              slug: group.slug,
+              userId,
+              createdTime: Date.now(),
+            } as GroupLink,
+            ...(contract?.groupLinks ?? []),
+          ],
+        })
+    }
+  }
+}

functions/src/create-group.ts

@@ -20,7 +20,7 @@ const bodySchema = z.object({
   about: z.string().min(1).max(MAX_ABOUT_LENGTH).optional(),
 })
 
-export const creategroup = newEndpoint(['POST'], async (req, auth) => {
+export const creategroup = newEndpoint({}, async (req, auth) => {
   const { name, about, memberIds, anyoneCanJoin } = validate(
     bodySchema,
     req.body

functions/src/create-notification.ts

@@ -7,13 +7,17 @@ import {
 } from '../../common/notification'
 import { User } from '../../common/user'
 import { Contract } from '../../common/contract'
-import { getUserByUsername, getValues } from './utils'
+import { getValues } from './utils'
 import { Comment } from '../../common/comment'
 import { uniq } from 'lodash'
-import { Bet } from '../../common/bet'
+import { Bet, LimitBet } from '../../common/bet'
 import { Answer } from '../../common/answer'
 import { getContractBetMetrics } from '../../common/calculate'
 import { removeUndefinedProps } from '../../common/util/object'
+import { TipTxn } from '../../common/txn'
+import { Group, GROUP_CHAT_SLUG } from '../../common/group'
+import { Challenge } from '../../common/challenge'
+import { richTextToString } from '../../common/util/parse'
 const firestore = admin.firestore()
 
 type user_to_reason_texts = {
@@ -27,12 +31,22 @@ export const createNotification = async (
   sourceUser: User,
   idempotencyKey: string,
   sourceText: string,
-  sourceContract?: Contract,
+  miscData?: {
-  relatedSourceType?: notification_source_types,
+    contract?: Contract
-  relatedUserId?: string,
+    relatedSourceType?: notification_source_types
-  sourceSlug?: string,
+    recipients?: string[]
-  sourceTitle?: string
+    slug?: string
+    title?: string
+  }
 ) => {
+  const {
+    contract: sourceContract,
+    relatedSourceType,
+    recipients,
+    slug,
+    title,
+  } = miscData ?? {}
+
   const shouldGetNotification = (
     userId: string,
     userToReasonTexts: user_to_reason_texts
@@ -66,11 +80,10 @@ export const createNotification = async (
           sourceUserAvatarUrl: sourceUser.avatarUrl,
           sourceText,
           sourceContractCreatorUsername: sourceContract?.creatorUsername,
-          // TODO: move away from sourceContractTitle to sourceTitle
           sourceContractTitle: sourceContract?.question,
           sourceContractSlug: sourceContract?.slug,
-          sourceSlug: sourceSlug ? sourceSlug : sourceContract?.slug,
+          sourceSlug: slug ? slug : sourceContract?.slug,
-          sourceTitle: sourceTitle ? sourceTitle : sourceContract?.question,
+          sourceTitle: title ? title : sourceContract?.question,
         }
         await notificationRef.set(removeUndefinedProps(notification))
       })
@@ -116,7 +129,7 @@ export const createNotification = async (
     })
   }
 
-  const notifyRepliedUsers = async (
+  const notifyRepliedUser = (
     userToReasonTexts: user_to_reason_texts,
     relatedUserId: string,
     relatedSourceType: notification_source_types
@@ -133,7 +146,7 @@ export const createNotification = async (
     }
   }
 
-  const notifyFollowedUser = async (
+  const notifyFollowedUser = (
     userToReasonTexts: user_to_reason_texts,
     followedUserId: string
   ) => {
@@ -143,21 +156,13 @@ export const createNotification = async (
       }
   }
 
-  const notifyTaggedUsers = async (
+  const notifyTaggedUsers = (
     userToReasonTexts: user_to_reason_texts,
-    sourceText: string
+    userIds: (string | undefined)[]
   ) => {
-    const taggedUsers = sourceText.match(/@\w+/g)
+    userIds.forEach((id) => {
-    if (!taggedUsers) return
+      if (id && shouldGetNotification(id, userToReasonTexts))
-    // await all get tagged users:
+        userToReasonTexts[id] = {
-    const users = await Promise.all(
-      taggedUsers.map(async (username) => {
-        return await getUserByUsername(username.slice(1))
-      })
-    )
-    users.forEach((taggedUser) => {
-      if (taggedUser && shouldGetNotification(taggedUser.id, userToReasonTexts))
-        userToReasonTexts[taggedUser.id] = {
           reason: 'tagged_user',
         }
     })
@@ -242,7 +247,7 @@ export const createNotification = async (
     })
   }
 
-  const notifyUserAddedToGroup = async (
+  const notifyUserAddedToGroup = (
     userToReasonTexts: user_to_reason_texts,
     relatedUserId: string
   ) => {
@@ -252,44 +257,62 @@ export const createNotification = async (
       }
   }
 
+  const notifyContractCreatorOfUniqueBettorsBonus = async (
+    userToReasonTexts: user_to_reason_texts,
+    userId: string
+  ) => {
+    userToReasonTexts[userId] = {
+      reason: 'unique_bettors_on_your_contract',
+    }
+  }
+
   const getUsersToNotify = async () => {
     const userToReasonTexts: user_to_reason_texts = {}
     // The following functions modify the userToReasonTexts object in place.
-    if (sourceContract) {
+    if (sourceType === 'follow' && recipients?.[0]) {
-      if (
+      notifyFollowedUser(userToReasonTexts, recipients[0])
-        sourceType === 'comment' ||
+    } else if (
-        sourceType === 'answer' ||
+      sourceType === 'group' &&
-        (sourceType === 'contract' &&
+      sourceUpdateType === 'created' &&
-          (sourceUpdateType === 'updated' || sourceUpdateType === 'resolved'))
+      recipients
-      ) {
+    ) {
-        if (sourceType === 'comment') {
+      recipients.forEach((r) => notifyUserAddedToGroup(userToReasonTexts, r))
-          if (relatedUserId && relatedSourceType)
+    }
-            await notifyRepliedUsers(
+
-              userToReasonTexts,
+    // The following functions need sourceContract to be defined.
-              relatedUserId,
+    if (!sourceContract) return userToReasonTexts
-              relatedSourceType
+
-            )
+    if (
-          if (sourceText) await notifyTaggedUsers(userToReasonTexts, sourceText)
+      sourceType === 'comment' ||
-        }
+      sourceType === 'answer' ||
-        await notifyContractCreator(userToReasonTexts, sourceContract)
+      (sourceType === 'contract' &&
-        await notifyOtherAnswerersOnContract(userToReasonTexts, sourceContract)
+        (sourceUpdateType === 'updated' || sourceUpdateType === 'resolved'))
-        await notifyLiquidityProviders(userToReasonTexts, sourceContract)
+    ) {
-        await notifyBettorsOnContract(userToReasonTexts, sourceContract)
+      if (sourceType === 'comment') {
-        await notifyOtherCommentersOnContract(userToReasonTexts, sourceContract)
+        if (recipients?.[0] && relatedSourceType)
-      } else if (sourceType === 'contract' && sourceUpdateType === 'created') {
+          notifyRepliedUser(userToReasonTexts, recipients[0], relatedSourceType)
-        await notifyUsersFollowers(userToReasonTexts)
+        if (sourceText) notifyTaggedUsers(userToReasonTexts, recipients ?? [])
-      } else if (sourceType === 'contract' && sourceUpdateType === 'closed') {
-        await notifyContractCreator(userToReasonTexts, sourceContract, {
-          force: true,
-        })
-      } else if (sourceType === 'liquidity' && sourceUpdateType === 'created') {
-        await notifyContractCreator(userToReasonTexts, sourceContract)
       }
-    } else if (sourceType === 'follow' && relatedUserId) {
+      await notifyContractCreator(userToReasonTexts, sourceContract)
-      await notifyFollowedUser(userToReasonTexts, relatedUserId)
+      await notifyOtherAnswerersOnContract(userToReasonTexts, sourceContract)
-    } else if (sourceType === 'group' && relatedUserId) {
+      await notifyLiquidityProviders(userToReasonTexts, sourceContract)
-      if (sourceUpdateType === 'created')
+      await notifyBettorsOnContract(userToReasonTexts, sourceContract)
-        await notifyUserAddedToGroup(userToReasonTexts, relatedUserId)
+      await notifyOtherCommentersOnContract(userToReasonTexts, sourceContract)
+    } else if (sourceType === 'contract' && sourceUpdateType === 'created') {
+      await notifyUsersFollowers(userToReasonTexts)
+      notifyTaggedUsers(userToReasonTexts, recipients ?? [])
+    } else if (sourceType === 'contract' && sourceUpdateType === 'closed') {
+      await notifyContractCreator(userToReasonTexts, sourceContract, {
+        force: true,
+      })
+    } else if (sourceType === 'liquidity' && sourceUpdateType === 'created') {
+      await notifyContractCreator(userToReasonTexts, sourceContract)
+    } else if (sourceType === 'bonus' && sourceUpdateType === 'created') {
+      // Note: the daily bonus won't have a contract attached to it
+      await notifyContractCreatorOfUniqueBettorsBonus(
+        userToReasonTexts,
+        sourceContract.creatorId
+      )
     }
     return userToReasonTexts
   }
@@ -297,3 +320,187 @@ export const createNotification = async (
   const userToReasonTexts = await getUsersToNotify()
   await createUsersNotifications(userToReasonTexts)
 }
+
+export const createTipNotification = async (
+  fromUser: User,
+  toUser: User,
+  tip: TipTxn,
+  idempotencyKey: string,
+  commentId: string,
+  contract?: Contract,
+  group?: Group
+) => {
+  const slug = group ? group.slug + `#${commentId}` : commentId
+
+  const notificationRef = firestore
+    .collection(`/users/${toUser.id}/notifications`)
+    .doc(idempotencyKey)
+  const notification: Notification = {
+    id: idempotencyKey,
+    userId: toUser.id,
+    reason: 'tip_received',
+    createdTime: Date.now(),
+    isSeen: false,
+    sourceId: tip.id,
+    sourceType: 'tip',
+    sourceUpdateType: 'created',
+    sourceUserName: fromUser.name,
+    sourceUserUsername: fromUser.username,
+    sourceUserAvatarUrl: fromUser.avatarUrl,
+    sourceText: tip.amount.toString(),
+    sourceContractCreatorUsername: contract?.creatorUsername,
+    sourceContractTitle: contract?.question,
+    sourceContractSlug: contract?.slug,
+    sourceSlug: slug,
+    sourceTitle: group?.name,
+  }
+  return await notificationRef.set(removeUndefinedProps(notification))
+}
+
+export const createBetFillNotification = async (
+  fromUser: User,
+  toUser: User,
+  bet: Bet,
+  userBet: LimitBet,
+  contract: Contract,
+  idempotencyKey: string
+) => {
+  const fill = userBet.fills.find((fill) => fill.matchedBetId === bet.id)
+  const fillAmount = fill?.amount ?? 0
+
+  const notificationRef = firestore
+    .collection(`/users/${toUser.id}/notifications`)
+    .doc(idempotencyKey)
+  const notification: Notification = {
+    id: idempotencyKey,
+    userId: toUser.id,
+    reason: 'bet_fill',
+    createdTime: Date.now(),
+    isSeen: false,
+    sourceId: userBet.id,
+    sourceType: 'bet',
+    sourceUpdateType: 'updated',
+    sourceUserName: fromUser.name,
+    sourceUserUsername: fromUser.username,
+    sourceUserAvatarUrl: fromUser.avatarUrl,
+    sourceText: fillAmount.toString(),
+    sourceContractCreatorUsername: contract.creatorUsername,
+    sourceContractTitle: contract.question,
+    sourceContractSlug: contract.slug,
+    sourceContractId: contract.id,
+  }
+  return await notificationRef.set(removeUndefinedProps(notification))
+}
+
+export const createGroupCommentNotification = async (
+  fromUser: User,
+  toUserId: string,
+  comment: Comment,
+  group: Group,
+  idempotencyKey: string
+) => {
+  if (toUserId === fromUser.id) return
+  const notificationRef = firestore
+    .collection(`/users/${toUserId}/notifications`)
+    .doc(idempotencyKey)
+  const sourceSlug = `/group/${group.slug}/${GROUP_CHAT_SLUG}`
+  const notification: Notification = {
+    id: idempotencyKey,
+    userId: toUserId,
+    reason: 'on_group_you_are_member_of',
+    createdTime: Date.now(),
+    isSeen: false,
+    sourceId: comment.id,
+    sourceType: 'comment',
+    sourceUpdateType: 'created',
+    sourceUserName: fromUser.name,
+    sourceUserUsername: fromUser.username,
+    sourceUserAvatarUrl: fromUser.avatarUrl,
+    sourceText: richTextToString(comment.content),
+    sourceSlug,
+    sourceTitle: `${group.name}`,
+    isSeenOnHref: sourceSlug,
+  }
+  await notificationRef.set(removeUndefinedProps(notification))
+}
+
+export const createReferralNotification = async (
+  toUser: User,
+  referredUser: User,
+  idempotencyKey: string,
+  bonusAmount: string,
+  referredByContract?: Contract,
+  referredByGroup?: Group
+) => {
+  const notificationRef = firestore
+    .collection(`/users/${toUser.id}/notifications`)
+    .doc(idempotencyKey)
+  const notification: Notification = {
+    id: idempotencyKey,
+    userId: toUser.id,
+    reason: referredByGroup
+      ? 'user_joined_from_your_group_invite'
+      : referredByContract?.creatorId === toUser.id
+      ? 'user_joined_to_bet_on_your_market'
+      : 'you_referred_user',
+    createdTime: Date.now(),
+    isSeen: false,
+    sourceId: referredUser.id,
+    sourceType: 'user',
+    sourceUpdateType: 'updated',
+    sourceContractId: referredByContract?.id,
+    sourceUserName: referredUser.name,
+    sourceUserUsername: referredUser.username,
+    sourceUserAvatarUrl: referredUser.avatarUrl,
+    sourceText: bonusAmount,
+    // Only pass the contract referral details if they weren't referred to a group
+    sourceContractCreatorUsername: !referredByGroup
+      ? referredByContract?.creatorUsername
+      : undefined,
+    sourceContractTitle: !referredByGroup
+      ? referredByContract?.question
+      : undefined,
+    sourceContractSlug: !referredByGroup ? referredByContract?.slug : undefined,
+    sourceSlug: referredByGroup
+      ? groupPath(referredByGroup.slug)
+      : referredByContract?.slug,
+    sourceTitle: referredByGroup
+      ? referredByGroup.name
+      : referredByContract?.question,
+  }
+  await notificationRef.set(removeUndefinedProps(notification))
+}
+
+const groupPath = (groupSlug: string) => `/group/${groupSlug}`
+
+export const createChallengeAcceptedNotification = async (
+  challenger: User,
+  challengeCreator: User,
+  challenge: Challenge,
+  acceptedAmount: number,
+  contract: Contract
+) => {
+  const notificationRef = firestore
+    .collection(`/users/${challengeCreator.id}/notifications`)
+    .doc()
+  const notification: Notification = {
+    id: notificationRef.id,
+    userId: challengeCreator.id,
+    reason: 'challenge_accepted',
+    createdTime: Date.now(),
+    isSeen: false,
+    sourceId: challenge.slug,
+    sourceType: 'challenge',
+    sourceUpdateType: 'updated',
+    sourceUserName: challenger.name,
+    sourceUserUsername: challenger.username,
+    sourceUserAvatarUrl: challenger.avatarUrl,
+    sourceText: acceptedAmount.toString(),
+    sourceContractCreatorUsername: contract.creatorUsername,
+    sourceContractTitle: contract.question,
+    sourceContractSlug: contract.slug,
+    sourceContractId: contract.id,
+    sourceSlug: `/challenges/${challengeCreator.username}/${challenge.contractSlug}/${challenge.slug}`,
+  }
+  return await notificationRef.set(removeUndefinedProps(notification))
+}

functions/src/create-user.ts

@@ -1,13 +1,16 @@
-import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { z } from 'zod'
+import { uniq } from 'lodash'
 
 import {
+  MANIFOLD_AVATAR_URL,
+  MANIFOLD_USERNAME,
   PrivateUser,
   STARTING_BALANCE,
   SUS_STARTING_BALANCE,
   User,
 } from '../../common/user'
-import { getUser, getUserByUsername } from './utils'
+import { getUser, getUserByUsername, getValues, isProd } from './utils'
 import { randomString } from '../../common/util/random'
 import {
   cleanDisplayName,
@@ -15,86 +18,88 @@ import {
 } from '../../common/util/clean-username'
 import { sendWelcomeEmail } from './emails'
 import { isWhitelisted } from '../../common/envs/constants'
-import { DEFAULT_CATEGORIES } from '../../common/categories'
+import {
+  CATEGORIES_GROUP_SLUG_POSTFIX,
+  DEFAULT_CATEGORIES,
+} from '../../common/categories'
 
 import { track } from './analytics'
+import { APIError, newEndpoint, validate } from './api'
+import { Group, NEW_USER_GROUP_SLUGS } from '../../common/group'
+import {
+  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
+  HOUSE_LIQUIDITY_PROVIDER_ID,
+} from '../../common/antes'
 
-export const createUser = functions
+const bodySchema = z.object({
-  .runWith({ minInstances: 1, secrets: ['MAILGUN_KEY'] })
+  deviceToken: z.string().optional(),
-  .https.onCall(async (data: { deviceToken?: string }, context) => {
+})
-    const userId = context?.auth?.uid
-    if (!userId) return { status: 'error', message: 'Not authorized' }
 
-    const preexistingUser = await getUser(userId)
+const opts = { secrets: ['MAILGUN_KEY'] }
-    if (preexistingUser)
-      return {
-        status: 'error',
-        message: 'User already created',
-        user: preexistingUser,
-      }
 
-    const fbUser = await admin.auth().getUser(userId)
+export const createuser = newEndpoint(opts, async (req, auth) => {
+  const { deviceToken } = validate(bodySchema, req.body)
+  const preexistingUser = await getUser(auth.uid)
+  if (preexistingUser)
+    throw new APIError(400, 'User already exists', { user: preexistingUser })
 
-    const email = fbUser.email
+  const fbUser = await admin.auth().getUser(auth.uid)
-    if (!isWhitelisted(email)) {
-      return { status: 'error', message: `${email} is not whitelisted` }
-    }
-    const emailName = email?.replace(/@.*$/, '')
 
-    const rawName = fbUser.displayName || emailName || 'User' + randomString(4)
+  const email = fbUser.email
-    const name = cleanDisplayName(rawName)
+  if (!isWhitelisted(email)) {
-    let username = cleanUsername(name)
+    throw new APIError(400, `${email} is not whitelisted`)
+  }
+  const emailName = email?.replace(/@.*$/, '')
 
-    const sameNameUser = await getUserByUsername(username)
+  const rawName = fbUser.displayName || emailName || 'User' + randomString(4)
-    if (sameNameUser) {
+  const name = cleanDisplayName(rawName)
-      username += randomString(4)
+  let username = cleanUsername(name)
-    }
 
-    const avatarUrl = fbUser.photoURL
+  const sameNameUser = await getUserByUsername(username)
+  if (sameNameUser) {
+    username += randomString(4)
+  }
 
-    const { deviceToken } = data
+  const avatarUrl = fbUser.photoURL
-    const deviceUsedBefore =
+  const deviceUsedBefore =
-      !deviceToken || (await isPrivateUserWithDeviceToken(deviceToken))
+    !deviceToken || (await isPrivateUserWithDeviceToken(deviceToken))
 
-    const ipAddress = context.rawRequest.ip
+  const balance = deviceUsedBefore ? SUS_STARTING_BALANCE : STARTING_BALANCE
-    const ipCount = ipAddress ? await numberUsersWithIp(ipAddress) : 0
 
-    const balance =
+  const user: User = {
-      deviceUsedBefore || ipCount > 2 ? SUS_STARTING_BALANCE : STARTING_BALANCE
+    id: auth.uid,
+    name,
+    username,
+    avatarUrl,
+    balance,
+    totalDeposits: balance,
+    createdTime: Date.now(),
+    profitCached: { daily: 0, weekly: 0, monthly: 0, allTime: 0 },
+    creatorVolumeCached: { daily: 0, weekly: 0, monthly: 0, allTime: 0 },
+    followerCountCached: 0,
+    followedCategories: DEFAULT_CATEGORIES,
+    shouldShowWelcome: true,
+  }
 
-    const user: User = {
+  await firestore.collection('users').doc(auth.uid).create(user)
-      id: userId,
+  console.log('created user', username, 'firebase id:', auth.uid)
-      name,
-      username,
-      avatarUrl,
-      balance,
-      totalDeposits: balance,
-      createdTime: Date.now(),
-      profitCached: { daily: 0, weekly: 0, monthly: 0, allTime: 0 },
-      creatorVolumeCached: { daily: 0, weekly: 0, monthly: 0, allTime: 0 },
-      followerCountCached: 0,
-      followedCategories: DEFAULT_CATEGORIES,
-    }
 
-    await firestore.collection('users').doc(userId).create(user)
+  const privateUser: PrivateUser = {
-    console.log('created user', username, 'firebase id:', userId)
+    id: auth.uid,
+    username,
+    email,
+    initialIpAddress: req.ip,
+    initialDeviceToken: deviceToken,
+  }
 
-    const privateUser: PrivateUser = {
+  await firestore.collection('private-users').doc(auth.uid).create(privateUser)
-      id: userId,
-      username,
-      email,
-      initialIpAddress: ipAddress,
-      initialDeviceToken: deviceToken,
-    }
 
-    await firestore.collection('private-users').doc(userId).create(privateUser)
+  await addUserToDefaultGroups(user)
+  await sendWelcomeEmail(user, privateUser)
+  await track(auth.uid, 'create user', { username }, { ip: req.ip })
 
-    await sendWelcomeEmail(user, privateUser)
+  return { user, privateUser }
-
+})
-    await track(userId, 'create user', { username }, { ip: ipAddress })
-
-    return { status: 'success', user }
-  })
 
 const firestore = admin.firestore()
 
@@ -107,7 +112,7 @@ const isPrivateUserWithDeviceToken = async (deviceToken: string) => {
   return !snap.empty
 }
 
-const numberUsersWithIp = async (ipAddress: string) => {
+export const numberUsersWithIp = async (ipAddress: string) => {
   const snap = await firestore
     .collection('private-users')
     .where('initialIpAddress', '==', ipAddress)
@@ -115,3 +120,50 @@ const numberUsersWithIp = async (ipAddress: string) => {
 
   return snap.docs.length
 }
+
+const addUserToDefaultGroups = async (user: User) => {
+  for (const category of Object.values(DEFAULT_CATEGORIES)) {
+    const slug = category.toLowerCase() + CATEGORIES_GROUP_SLUG_POSTFIX
+    const groups = await getValues<Group>(
+      firestore.collection('groups').where('slug', '==', slug)
+    )
+    await firestore
+      .collection('groups')
+      .doc(groups[0].id)
+      .update({
+        memberIds: uniq(groups[0].memberIds.concat(user.id)),
+      })
+  }
+
+  for (const slug of NEW_USER_GROUP_SLUGS) {
+    const groups = await getValues<Group>(
+      firestore.collection('groups').where('slug', '==', slug)
+    )
+    const group = groups[0]
+    await firestore
+      .collection('groups')
+      .doc(group.id)
+      .update({
+        memberIds: uniq(group.memberIds.concat(user.id)),
+      })
+    const manifoldAccount = isProd()
+      ? HOUSE_LIQUIDITY_PROVIDER_ID
+      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
+
+    if (slug === 'welcome') {
+      const welcomeCommentDoc = firestore
+        .collection(`groups/${group.id}/comments`)
+        .doc()
+      await welcomeCommentDoc.create({
+        id: welcomeCommentDoc.id,
+        groupId: group.id,
+        userId: manifoldAccount,
+        text: `Welcome, @${user.username} aka ${user.name}!`,
+        createdTime: Date.now(),
+        userName: 'Manifold Markets',
+        userUsername: MANIFOLD_USERNAME,
+        userAvatarUrl: MANIFOLD_AVATAR_URL,
+      })
+    }
+  }
+}

functions/src/email-templates/500-mana.html

@@ -0,0 +1,260 @@
+<!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>Manifold Markets 7th Day Anniversary Gift!</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 align="center"
+                        style="font-size:0px;padding:0px 25px 0px 25px;padding-top:0px;padding-right:25px;padding-bottom:0px;padding-left:25px;word-break:break-word;">
+                        <table border="0" cellpadding="0" cellspacing="0" role="presentation"
+                          style="border-collapse:collapse;border-spacing:0px;">
+                          <tbody>
+                            <tr>
+                              <td style="width:550px;"><a href="https://manifold.markets/home" target="_blank"><img
+                                    alt="" height="auto" src="https://i.imgur.com/8EP8Y8q.gif"
+                                    style="border:none;display:block;outline:none;text-decoration:none;height:auto;width:100%;font-size:13px;"
+                                    width="550"></a></td>
+                            </tr>
+                          </tbody>
+                        </table>
+                      </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; text-align: center; 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;">Thanks for
+                              using Manifold Markets. Running low
+                              on mana (M$)? Click the link below to receive a one time gift of M$500!</span></p>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td>
+                        <p></p>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td align="center">
+                        <table cellspacing="0" cellpadding="0">
+                          <tr>
+                            <td>
+                              <table cellspacing="0" cellpadding="0">
+                                <tr>
+                                  <td style="border-radius: 2px;" bgcolor="#4337c9">
+                                    <a href="{{manalink}}" target="_blank"
+                                      style="padding: 12px 16px; border: 1px solid #4337c9;border-radius: 16px;font-family: Helvetica, Arial, sans-serif;font-size: 24px; color: #ffffff;text-decoration: none;font-weight:bold;display: inline-block;">
+                                      Claim M$500
+                                    </a>
+                                  </td>
+                                </tr>
+                              </table>
+                            </td>
+                          </tr>
+                        </table>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td align="left"
+                        style="font-size:0px;padding:15px 25px 0px 25px;padding-top:15px;padding-right:25px;padding-bottom:0px;padding-left:25px;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: 23px; margin: 10px 0; margin-top: 10px;"
+                            data-testid="3Q8BP69fq"></a></li>
+                            </ul>
+                          <p class="text-build-content" data-testid="3Q8BP69fq" style="margin: 10px 0;">&nbsp;</p>
+                          <p class="text-build-content" data-testid="3Q8BP69fq" style="margin: 10px 0;"><span
+                              style="color:#000000;font-family:Arial;font-size:18px;">Cheers,</span></p>
+                          <p class="text-build-content" data-testid="3Q8BP69fq" style="margin: 10px 0;"><span
+                              style="color:#000000;font-family:Arial;font-size:18px;">David from Manifold</span></p>
+                          <p class="text-build-content" data-testid="3Q8BP69fq"
+                            style="margin: 10px 0; margin-bottom: 10px;">&nbsp;</p>
+                        </div>
+                      </td>
+                    </tr>
+                  </tbody>
+                </table>
+              </div>
+              <!--[if mso | IE]></td></tr></table><![endif]-->
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+    <!--[if mso | IE]></td></tr></table><table align="center" border="0" cellpadding="0" cellspacing="0" class="" role="presentation" style="width:600px;" width="600" ><tr><td style="line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-->
+    <div style="margin:0px auto;max-width:600px;">
+      <table align="center" border="0" cellpadding="0" cellspacing="0" role="presentation" style="width:100%;">
+        <tbody>
+          <tr>
+            <td style="direction:ltr;font-size:0px;padding:0 0 20px 0;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 align="center" style="font-size:0px;padding:0px;word-break:break-word;">
+                        <table border="0" cellpadding="0" cellspacing="0" role="presentation"
+                          style="border-collapse:collapse;border-spacing:0px;">
+              </div>
+              <!--[if mso | IE]></td></tr></table><table align="center" border="0" cellpadding="0" cellspacing="0" class="" role="presentation" style="width:600px;" width="600" ><tr><td style="line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-->
+              <div style="margin:0px auto;max-width:600px;">
+                <table align="center" border="0" cellpadding="0" cellspacing="0" role="presentation"
+                  style="width:100%;">
+                  <tbody>
+                    <tr>
+                      <td style="direction:ltr;font-size:0px;padding:20px 0px 20px 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" width="100%">
+                            <tbody>
+                              <tr>
+                                <td style="vertical-align:top;padding:0;">
+                                  <table border="0" cellpadding="0" cellspacing="0" role="presentation" width="100%">
+                                    <tbody>
+                                      <tr>
+                                        <td align="center"
+                                          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:11px;letter-spacing:normal;line-height:22px;text-align:center;color:#000000;">
+                                            <p style="margin: 10px 0;">This e-mail has been sent to {{name}}, <a
+                                                href="{{unsubscribeLink}}” style=" color:inherit;text-decoration:none;"
+                                                target="_blank">click here to unsubscribe</a>.</p>
+                                          </div>
+                                        </td>
+                                      </tr>
+                                      <tr>
+                                        <td align="center"
+                                          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:11px;letter-spacing:normal;line-height:22px;text-align:center;color:#000000;">
+                                          </div>
+                                        </td>
+                                      </tr>
+                                    </tbody>
+                                  </table>
+                                </td>
+                              </tr>
+                            </tbody>
+                          </table>
+                        </div>
+                        <!--[if mso | IE]></td></tr></table><![endif]-->
+                      </td>
+                    </tr>
+                  </tbody>
+                </table>
+              </div>
+              <!--[if mso | IE]></td></tr></table><![endif]-->
+    </div>
+</body>
+
+</html>

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

@@ -0,0 +1,738 @@
+<!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>(no subject)</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]-->
+    <!--[if !mso]><!-->
+    <link
+      href="https://fonts.googleapis.com/css?family=Ubuntu:300,400,500,700"
+      rel="stylesheet"
+      type="text/css"
+    />
+    <link
+      href="https://fonts.googleapis.com/css?family=Readex+Pro"
+      rel="stylesheet"
+      type="text/css"
+    />
+    <link
+      href="https://fonts.googleapis.com/css?family=Readex+Pro"
+      rel="stylesheet"
+      type="text/css"
+    />
+    <style type="text/css">
+      @import url(https://fonts.googleapis.com/css?family=Ubuntu:300,400,500,700);
+      @import url(https://fonts.googleapis.com/css?family=Readex+Pro);
+      @import url(https://fonts.googleapis.com/css?family=Readex+Pro);
+    </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
+                          align="center"
+                          style="
+                            font-size: 0px;
+                            padding: 0px 25px 0px 25px;
+                            padding-top: 0px;
+                            padding-right: 25px;
+                            padding-bottom: 0px;
+                            padding-left: 25px;
+                            word-break: break-word;
+                          "
+                        >
+                          <table
+                            border="0"
+                            cellpadding="0"
+                            cellspacing="0"
+                            role="presentation"
+                            style="
+                              border-collapse: collapse;
+                              border-spacing: 0px;
+                            "
+                          >
+                            <tbody>
+                              <tr>
+                                <td style="width: 550px">
+                                  <a
+                                    href="https://manifold.markets/home"
+                                    target="_blank"
+                                    ><img
+                                      alt=""
+                                      height="auto"
+                                      src="https://03jlj.mjt.lu/img/03jlj/b/96u/omk8.gif"
+                                      style="
+                                        border: none;
+                                        display: block;
+                                        outline: none;
+                                        text-decoration: none;
+                                        height: auto;
+                                        width: 100%;
+                                        font-size: 13px;
+                                      "
+                                      width="550"
+                                  /></a>
+                                </td>
+                              </tr>
+                            </tbody>
+                          </table>
+                        </td>
+                      </tr>
+                    </tbody>
+                  </table>
+                </div>
+                <!--[if mso | IE]></td></tr></table><![endif]-->
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+      <!--[if mso | IE]></td></tr></table><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: 20px 0px 0px 0px;
+                  padding-bottom: 0px;
+                  padding-left: 0px;
+                  padding-right: 0px;
+                  padding-top: 20px;
+                  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
+                          align="left"
+                          style="
+                            font-size: 0px;
+                            padding: 0px 25px 20px 25px;
+                            padding-top: 0px;
+                            padding-right: 25px;
+                            padding-bottom: 20px;
+                            padding-left: 25px;
+                            word-break: break-word;
+                          "
+                        >
+                          <div
+                            style="
+                              font-family: Arial, sans-serif;
+                              font-size: 17px;
+                              letter-spacing: normal;
+                              line-height: 1;
+                              text-align: left;
+                              color: #000000;
+                            "
+                          >
+                            <p
+                              class="text-build-content"
+                              style="
+                                line-height: 23px;
+                                margin: 10px 0;
+                                margin-top: 10px;
+                              "
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 17px;
+                                "
+                                >On Manifold Markets, several important factors
+                                go into making a good question. These lead to
+                                more people betting on them and allowing a more
+                                accurate prediction to be formed!</span
+                              >
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              &nbsp;
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 17px;
+                                "
+                                >Manifold also gives its creators 10 Mana for
+                                each unique trader that bets on your
+                                market!</span
+                              >
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              &nbsp;
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  color: #292fd7;
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 20px;
+                                "
+                                ><b>What makes a good question?</b></span
+                              >
+                            </p>
+                            <ul>
+                              <li style="line-height: 23px">
+                                <span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                  ><b>Clear resolution criteria. </b>This is
+                                  needed so users know how you are going to
+                                  decide on what the correct answer is.</span
+                                >
+                              </li>
+                              <li style="line-height: 23px">
+                                <span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                  ><b>Clear resolution date</b>. This is
+                                  sometimes slightly different from the closing
+                                  date. We recommend leaving the market open up
+                                  until you resolve it, but if it is different
+                                  make sure you say what day you intend to
+                                  resolve it in the description!</span
+                                >
+                              </li>
+                              <li style="line-height: 23px">
+                                <span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                  ><b>Detailed description. </b>Use the rich
+                                  text editor to create an easy to read
+                                  description. Include any context or background
+                                  information that could be useful to people who
+                                  are interested in learning more that are
+                                  uneducated on the subject.</span
+                                >
+                              </li>
+                              <li style="line-height: 23px">
+                                <span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                  ><b>Add it to a group. </b>Groups are the
+                                  primary way users filter for relevant markets.
+                                  Also, consider making your own groups and
+                                  inviting friends/interested communities to
+                                  them from other sites!</span
+                                >
+                              </li>
+                              <li style="line-height: 23px">
+                                <span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                  ><b>Bonus: </b>Add a comment on your
+                                  prediction and explain (with links and
+                                  sources) supporting it.</span
+                                >
+                              </li>
+                            </ul>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              &nbsp;
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  color: #292fd7;
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 20px;
+                                "
+                                ><b
+                                  >Examples of markets you should
+                                  emulate!&nbsp;</b
+                                ></span
+                              >
+                            </p>
+                            <ul>
+                              <li style="line-height: 23px">
+                                <a
+                                  class="link-build-content"
+                                  style="color: inherit; text-decoration: none"
+                                  target="_blank"
+                                  href="https://manifold.markets/DavidChee/will-our-upcoming-twitch-bot-be-a-s"
+                                  ><span
+                                    style="
+                                      color: #55575d;
+                                      font-family: Readex Pro, Arial, Helvetica,
+                                        sans-serif;
+                                      font-size: 17px;
+                                    "
+                                    ><u>This complex market</u></span
+                                  ></a
+                                ><span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                >
+                                  about the project I am working on.</span
+                                >
+                              </li>
+                              <li style="line-height: 23px">
+                                <a
+                                  class="link-build-content"
+                                  style="color: inherit; text-decoration: none"
+                                  target="_blank"
+                                  href="https://manifold.markets/SneakySly/will-manifold-reach-1000-weekly-act"
+                                  ><span
+                                    style="
+                                      color: #55575d;
+                                      font-family: Readex Pro, Arial, Helvetica,
+                                        sans-serif;
+                                      font-size: 17px;
+                                    "
+                                    ><u>This simple market</u></span
+                                  ></a
+                                ><span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                >
+                                  about Manifold&apos;s weekly active
+                                  users.</span
+                                >
+                              </li>
+                            </ul>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              &nbsp;
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  color: #000000;
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 17px;
+                                "
+                                >Why not </span>
+                                
+                               
+                               
+                                <a
+                                  class="link-build-content"
+                                  style="color: inherit; text-decoration: none"
+                                  target="_blank"
+                                  href="https://manifold.markets/create"
+                                  ><span
+                                    style="
+                                      color: #55575d;
+                                      font-family: Readex Pro, Arial, Helvetica,
+                                        sans-serif;
+                                      font-size: 17px;
+                                    "
+                                    ><u>create a market</u></span
+                                  ></a
+                                ><span
+                                  style="
+                                    font-family: Readex Pro, Arial, Helvetica,
+                                      sans-serif;
+                                    font-size: 17px;
+                                  "
+                                >
+                              while it is still fresh on your mind?
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="line-height: 23px; margin: 10px 0"
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  color: #000000;
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 17px;
+                                "
+                                >Thanks for reading!</span
+                              >
+                            </p>
+                            <p
+                              class="text-build-content"
+                              style="
+                                line-height: 23px;
+                                margin: 10px 0;
+                                margin-bottom: 10px;
+                              "
+                              data-testid="3Q8BP69fq"
+                            >
+                              <span
+                                style="
+                                  color: #000000;
+                                  font-family: Readex Pro, Arial, Helvetica,
+                                    sans-serif;
+                                  font-size: 17px;
+                                "
+                                >David from Manifold</span
+                              >
+                            </p>
+                          </div>
+                        </td>
+                      </tr>
+                    </tbody>
+                  </table>
+                </div>
+                <!--[if mso | IE]></td></tr></table><![endif]-->
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+      <!--[if mso | IE]></td></tr></table><table align="center" border="0" cellpadding="0" cellspacing="0" class="" role="presentation" style="width:600px;" width="600" ><tr><td style="line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-->
+      <div style="margin: 0px auto; max-width: 600px">
+        <table
+          align="center"
+          border="0"
+          cellpadding="0"
+          cellspacing="0"
+          role="presentation"
+          style="width: 100%"
+        >
+          <tbody>
+            <tr>
+              <td
+                style="
+                  direction: ltr;
+                  font-size: 0px;
+                  padding: 0 0 20px 0;
+                  text-align: center;
+                "
+              >
+               
+      <!--[if mso | IE]></td></tr></table><table align="center" border="0" cellpadding="0" cellspacing="0" class="" role="presentation" style="width:600px;" width="600" ><tr><td style="line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-->
+      <div style="margin: 0px auto; max-width: 600px">
+        <table
+          align="center"
+          border="0"
+          cellpadding="0"
+          cellspacing="0"
+          role="presentation"
+          style="width: 100%"
+        >
+          <tbody>
+            <tr>
+              <td
+                style="
+                  direction: ltr;
+                  font-size: 0px;
+                  padding: 20px 0px 20px 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"
+                    width="100%"
+                  >
+                    <tbody>
+                      <tr>
+                        <td style="vertical-align: top; padding: 0">
+                          <table
+                            border="0"
+                            cellpadding="0"
+                            cellspacing="0"
+                            role="presentation"
+                            width="100%"
+                          >
+                            <tbody>
+                              <tr>
+                                <td
+                                  align="center"
+                                  style="
+                                    font-size: 0px;
+                                    padding: 10px 25px;
+                                    word-break: break-word;
+                                  "
+                                >
+                                  <div
+                                    style="
+                                      font-family: Ubuntu, Helvetica, Arial,
+                                        sans-serif;
+                                      font-size: 11px;
+                                      line-height: 22px;
+                                      text-align: center;
+                                      color: #000000;
+                                    "
+                                  >
+                                    <p style="margin: 10px 0">
+                                      This e-mail has been sent to {{name}},
+                                      <a
+                                        href="{{unsubscribeLink}}"
+                                        style="
+                                          color: inherit;
+                                          text-decoration: none;
+                                        "
+                                        target="_blank"
+                                        >click here to unsubscribe</a
+                                      >.
+                                    </p>
+                                  </div>
+                                </td>
+                              </tr>
+                              <tr>
+                                <td
+                                  align="center"
+                                  style="
+                                    font-size: 0px;
+                                    padding: 10px 25px;
+                                    word-break: break-word;
+                                  "
+                                ></td>
+                              </tr>
+                            </tbody>
+                          </table>
+                        </td>
+                      </tr>
+                    </tbody>
+                  </table>
+                </div>
+                <!--[if mso | IE]></td></tr></table><![endif]-->
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+      <!--[if mso | IE]></td></tr></table><![endif]-->
+    </div>
+  </body>
+</html>

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

@@ -613,7 +613,7 @@
                       >our Discord</a
                     >! Or,
                     <a
-                      href="https://us-central1-mantic-markets.cloudfunctions.net/unsubscribe?id={{userId}}&type=market-resolve"
+                      href="{{unsubscribeUrl}}"
                       style="
                         font-family: 'Helvetica Neue', Helvetica, Arial,
                           sans-serif;

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

@@ -635,7 +635,7 @@
                       >our Discord</a
                     >! Or,
                     <a
-                      href="https://us-central1-mantic-markets.cloudfunctions.net/unsubscribe?id={{userId}}&type=market-resolved"
+                      href="{{unsubscribeUrl}}"
                       style="
                         font-family: 'Helvetica Neue', Helvetica, Arial,
                           sans-serif;

functions/src/emails.ts

@@ -1,4 +1,4 @@
-import { DOMAIN, PROJECT_ID } from '../../common/envs/constants'
+import { DOMAIN } from '../../common/envs/constants'
 import { Answer } from '../../common/answer'
 import { Bet } from '../../common/bet'
 import { getProbability } from '../../common/calculate'
@@ -6,11 +6,20 @@ import { Comment } from '../../common/comment'
 import { Contract } from '../../common/contract'
 import { DPM_CREATOR_FEE } from '../../common/fees'
 import { PrivateUser, User } from '../../common/user'
-import { formatMoney, formatPercent } from '../../common/util/format'
+import {
+  formatLargeNumber,
+  formatMoney,
+  formatPercent,
+} from '../../common/util/format'
 import { getValueFromBucket } from '../../common/calculate-dpm'
+import { formatNumericProbability } from '../../common/pseudo-numeric'
 
 import { sendTemplateEmail } from './send-email'
 import { getPrivateUser, getUser } from './utils'
+import { getFunctionUrl } from '../../common/api'
+import { richTextToString } from '../../common/util/parse'
+
+const UNSUBSCRIBE_ENDPOINT = getFunctionUrl('unsubscribe')
 
 export const sendMarketResolutionEmail = async (
   userId: string,
@@ -48,6 +57,9 @@ export const sendMarketResolutionEmail = async (
       ? ` (plus ${formatMoney(creatorPayout)} in commissions)`
       : ''
 
+  const emailType = 'market-resolved'
+  const unsubscribeUrl = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
+
   const templateData: market_resolved_template = {
     userId: user.id,
     name: user.name,
@@ -57,6 +69,7 @@ export const sendMarketResolutionEmail = async (
     investment: `${Math.floor(investment)}`,
     payout: `${Math.floor(payout)}${creatorPayoutText}`,
     url: `https://${DOMAIN}/${creator.username}/${contract.slug}`,
+    unsubscribeUrl,
   }
 
   // Modify template here:
@@ -80,6 +93,7 @@ type market_resolved_template = {
   investment: string
   payout: string
   url: string
+  unsubscribeUrl: string
 }
 
 const toDisplayResolution = (
@@ -101,6 +115,17 @@ const toDisplayResolution = (
     return display || resolution
   }
 
+  if (contract.outcomeType === 'PSEUDO_NUMERIC') {
+    const { resolutionValue } = contract
+
+    return resolutionValue
+      ? formatLargeNumber(resolutionValue)
+      : formatNumericProbability(
+          resolutionProbability ?? getProbability(contract),
+          contract
+        )
+  }
+
   if (resolution === 'MKT' && resolutions) return 'MULTI'
   if (resolution === 'CANCEL') return 'N/A'
 
@@ -125,7 +150,7 @@ export const sendWelcomeEmail = async (
   const firstName = name.split(' ')[0]
 
   const emailType = 'generic'
-  const unsubscribeLink = `https://us-central1-${PROJECT_ID}.cloudfunctions.net/unsubscribe?id=${userId}&type=${emailType}`
+  const unsubscribeLink = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
 
   await sendTemplateEmail(
     privateUser.email,
@@ -141,7 +166,6 @@ export const sendWelcomeEmail = async (
   )
 }
 
-// TODO: use manalinks to give out M$500
 export const sendOneWeekBonusEmail = async (
   user: User,
   privateUser: PrivateUser
@@ -157,16 +181,16 @@ export const sendOneWeekBonusEmail = async (
   const firstName = name.split(' ')[0]
 
   const emailType = 'generic'
-  const unsubscribeLink = `https://us-central1-${PROJECT_ID}.cloudfunctions.net/unsubscribe?id=${userId}&type=${emailType}`
+  const unsubscribeLink = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
 
   await sendTemplateEmail(
     privateUser.email,
-    'Manifold one week anniversary gift',
+    'Manifold Markets one week anniversary gift',
     'one-week',
     {
       name: firstName,
       unsubscribeLink,
-      manalink: '', // TODO
+      manalink: 'https://manifold.markets/link/lj4JbBvE',
     },
     {
       from: 'David from Manifold <david@manifold.markets>',
@@ -189,7 +213,7 @@ export const sendThankYouEmail = async (
   const firstName = name.split(' ')[0]
 
   const emailType = 'generic'
-  const unsubscribeLink = `https://us-central1-${PROJECT_ID}.cloudfunctions.net/unsubscribe?id=${userId}&type=${emailType}`
+  const unsubscribeLink = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
 
   await sendTemplateEmail(
     privateUser.email,
@@ -223,6 +247,8 @@ export const sendMarketCloseEmail = async (
   const { question, slug, volume, mechanism, collectedFees } = contract
 
   const url = `https://${DOMAIN}/${username}/${slug}`
+  const emailType = 'market-resolve'
+  const unsubscribeUrl = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
 
   await sendTemplateEmail(
     privateUser.email,
@@ -231,6 +257,7 @@ export const sendMarketCloseEmail = async (
     {
       question,
       url,
+      unsubscribeUrl,
       userId,
       name: firstName,
       volume: formatMoney(volume),
@@ -261,11 +288,12 @@ export const sendNewCommentEmail = async (
 
   const { question, creatorUsername, slug } = contract
   const marketUrl = `https://${DOMAIN}/${creatorUsername}/${slug}#${comment.id}`
-
+  const emailType = 'market-comment'
-  const unsubscribeUrl = `https://us-central1-${PROJECT_ID}.cloudfunctions.net/unsubscribe?id=${userId}&type=market-comment`
+  const unsubscribeUrl = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
 
   const { name: commentorName, avatarUrl: commentorAvatarUrl } = commentCreator
-  const { text } = comment
+  const { content } = comment
+  const text = richTextToString(content)
 
   let betDescription = ''
   if (bet) {
@@ -275,7 +303,7 @@ export const sendNewCommentEmail = async (
     )}`
   }
 
-  const subject = `Comment from ${commentorName} on ${question}`
+  const subject = `Comment on ${question}`
   const from = `${commentorName} on Manifold <no-reply@manifold.markets>`
 
   if (contract.outcomeType === 'FREE_RESPONSE' && answerId && answerText) {
@@ -343,7 +371,8 @@ export const sendNewAnswerEmail = async (
   const { name, avatarUrl, text } = answer
 
   const marketUrl = `https://${DOMAIN}/${creatorUsername}/${slug}`
-  const unsubscribeUrl = `https://us-central1-${PROJECT_ID}.cloudfunctions.net/unsubscribe?id=${userId}&type=market-answer`
+  const emailType = 'market-answer'
+  const unsubscribeUrl = `${UNSUBSCRIBE_ENDPOINT}?id=${userId}&type=${emailType}`
 
   const subject = `New answer on ${question}`
   const from = `${name} <info@manifold.markets>`

functions/src/fetch.ts

@@ -1,9 +0,0 @@
-let fetchRequest: typeof fetch
-
-try {
-  fetchRequest = fetch
-} catch {
-  fetchRequest = require('node-fetch')
-}
-
-export default fetchRequest

functions/src/get-current-user.ts

@@ -0,0 +1,18 @@
+import { User } from 'common/user'
+import * as admin from 'firebase-admin'
+import { newEndpoint, APIError } from './api'
+
+export const getcurrentuser = newEndpoint(
+  { method: 'GET' },
+  async (_req, auth) => {
+    const userDoc = firestore.doc(`users/${auth.uid}`)
+    const [userSnap] = await firestore.getAll(userDoc)
+    if (!userSnap.exists) throw new APIError(400, 'User not found.')
+
+    const user = userSnap.data() as User
+
+    return user
+  }
+)
+
+const firestore = admin.firestore()

functions/src/get-custom-token.ts

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

functions/src/health.ts

@@ -1,6 +1,6 @@
 import { newEndpoint } from './api'
 
-export const health = newEndpoint(['GET'], async (_req, auth) => {
+export const health = newEndpoint({ method: 'GET' }, async (_req, auth) => {
   return {
     message: 'Server is working.',
     uid: auth.uid,

functions/src/index.ts

@@ -1,26 +1,18 @@
 import * as admin from 'firebase-admin'
+import { onRequest } from 'firebase-functions/v2/https'
+import { EndpointDefinition } from './api'
 
 admin.initializeApp()
 
 // v1
-// export * from './keep-awake'
-export * from './claim-manalink'
-export * from './transact'
-export * from './resolve-market'
-export * from './stripe'
-export * from './create-user'
-export * from './create-answer'
 export * from './on-create-bet'
-export * from './on-create-comment'
+export * from './on-create-comment-on-contract'
 export * from './on-view'
-export * from './unsubscribe'
 export * from './update-metrics'
 export * from './update-stats'
 export * from './update-loans'
 export * from './backup-db'
-export * from './change-user-info'
 export * from './market-close-notifications'
-export * from './add-liquidity'
 export * from './on-create-answer'
 export * from './on-update-contract'
 export * from './on-create-contract'
@@ -29,12 +21,98 @@ export * from './on-unfollow-user'
 export * from './on-create-liquidity-provision'
 export * from './on-update-group'
 export * from './on-create-group'
+export * from './on-update-user'
+export * from './on-create-comment-on-group'
+export * from './on-create-txn'
+export * from './on-delete-group'
+export * from './score-contracts'
 
 // v2
 export * from './health'
+export * from './transact'
+export * from './change-user-info'
+export * from './create-user'
+export * from './create-answer'
 export * from './place-bet'
+export * from './cancel-bet'
 export * from './sell-bet'
 export * from './sell-shares'
+export * from './claim-manalink'
 export * from './create-contract'
+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'
+
+import { health } from './health'
+import { transact } from './transact'
+import { changeuserinfo } from './change-user-info'
+import { createuser } from './create-user'
+import { createanswer } from './create-answer'
+import { placebet } from './place-bet'
+import { cancelbet } from './cancel-bet'
+import { sellbet } from './sell-bet'
+import { sellshares } from './sell-shares'
+import { claimmanalink } from './claim-manalink'
+import { createmarket } from './create-contract'
+import { addliquidity } from './add-liquidity'
+import { withdrawliquidity } from './withdraw-liquidity'
+import { creategroup } from './create-group'
+import { resolvemarket } from './resolve-market'
+import { unsubscribe } from './unsubscribe'
+import { stripewebhook, createcheckoutsession } from './stripe'
+import { getcurrentuser } from './get-current-user'
+import { acceptchallenge } from './accept-challenge'
+import { getcustomtoken } from './get-custom-token'
+
+const toCloudFunction = ({ opts, handler }: EndpointDefinition) => {
+  return onRequest(opts, handler as any)
+}
+const healthFunction = toCloudFunction(health)
+const transactFunction = toCloudFunction(transact)
+const changeUserInfoFunction = toCloudFunction(changeuserinfo)
+const createUserFunction = toCloudFunction(createuser)
+const createAnswerFunction = toCloudFunction(createanswer)
+const placeBetFunction = toCloudFunction(placebet)
+const cancelBetFunction = toCloudFunction(cancelbet)
+const sellBetFunction = toCloudFunction(sellbet)
+const sellSharesFunction = toCloudFunction(sellshares)
+const claimManalinkFunction = toCloudFunction(claimmanalink)
+const createMarketFunction = toCloudFunction(createmarket)
+const addLiquidityFunction = toCloudFunction(addliquidity)
+const withdrawLiquidityFunction = toCloudFunction(withdrawliquidity)
+const createGroupFunction = toCloudFunction(creategroup)
+const resolveMarketFunction = toCloudFunction(resolvemarket)
+const unsubscribeFunction = toCloudFunction(unsubscribe)
+const stripeWebhookFunction = toCloudFunction(stripewebhook)
+const createCheckoutSessionFunction = toCloudFunction(createcheckoutsession)
+const getCurrentUserFunction = toCloudFunction(getcurrentuser)
+const acceptChallenge = toCloudFunction(acceptchallenge)
+const getCustomTokenFunction = toCloudFunction(getcustomtoken)
+
+export {
+  healthFunction as health,
+  transactFunction as transact,
+  changeUserInfoFunction as changeuserinfo,
+  createUserFunction as createuser,
+  createAnswerFunction as createanswer,
+  placeBetFunction as placebet,
+  cancelBetFunction as cancelbet,
+  sellBetFunction as sellbet,
+  sellSharesFunction as sellshares,
+  claimManalinkFunction as claimmanalink,
+  createMarketFunction as createmarket,
+  addLiquidityFunction as addliquidity,
+  withdrawLiquidityFunction as withdrawliquidity,
+  createGroupFunction as creategroup,
+  resolveMarketFunction as resolvemarket,
+  unsubscribeFunction as unsubscribe,
+  stripeWebhookFunction as stripewebhook,
+  createCheckoutSessionFunction as createcheckoutsession,
+  getCurrentUserFunction as getcurrentuser,
+  acceptChallenge as acceptchallenge,
+  getCustomTokenFunction as getcustomtoken,
+}

functions/src/keep-awake.ts

@@ -1,25 +0,0 @@
-import * as functions from 'firebase-functions'
-
-import { callCloudFunction } from './call-cloud-function'
-
-export const keepAwake = functions.pubsub
-  .schedule('every 1 minutes')
-  .onRun(async () => {
-    await Promise.all([
-      callCloudFunction('placeBet'),
-      callCloudFunction('resolveMarket'),
-      callCloudFunction('sellBet'),
-    ])
-
-    await sleep(30)
-
-    await Promise.all([
-      callCloudFunction('placeBet'),
-      callCloudFunction('resolveMarket'),
-      callCloudFunction('sellBet'),
-    ])
-  })
-
-const sleep = (seconds: number) => {
-  return new Promise((resolve) => setTimeout(resolve, seconds * 1000))
-}

functions/src/mana-bonus-email.ts

@@ -0,0 +1,42 @@
+import * as functions from 'firebase-functions'
+import * as admin from 'firebase-admin'
+import * as dayjs from 'dayjs'
+
+import { getPrivateUser } from './utils'
+import { sendOneWeekBonusEmail } from './emails'
+import { User } from 'common/user'
+
+export const manabonusemail = functions
+  .runWith({ secrets: ['MAILGUN_KEY'] })
+  .pubsub.schedule('0 9 * * 1-7')
+  .onRun(async () => {
+    await sendOneWeekEmails()
+  })
+
+const firestore = admin.firestore()
+
+async function sendOneWeekEmails() {
+  const oneWeekAgo = dayjs().subtract(1, 'week').valueOf()
+  const twoWeekAgo = dayjs().subtract(2, 'weeks').valueOf()
+
+  const userDocs = await firestore
+    .collection('users')
+    .where('createdTime', '<=', oneWeekAgo)
+    .get()
+
+  for (const user of userDocs.docs.map((d) => d.data() as User)) {
+    if (user.createdTime < twoWeekAgo) continue
+
+    const privateUser = await getPrivateUser(user.id)
+    if (!privateUser || privateUser.manaBonusEmailSent) continue
+
+    await firestore
+      .collection('private-users')
+      .doc(user.id)
+      .update({ manaBonusEmailSent: true })
+
+    console.log('sending m$ bonus email to', user.username)
+    await sendOneWeekBonusEmail(user, privateUser)
+    return
+  }
+}

functions/src/market-close-notifications.ts

@@ -64,7 +64,7 @@ async function sendMarketCloseEmails() {
       user,
       'closed' + contract.id.slice(6, contract.id.length),
       contract.closeTime?.toString() ?? new Date().toString(),
-      contract
+      { contract }
     )
   }
 }

functions/src/on-create-answer.ts

@@ -10,14 +10,14 @@ export const onCreateAnswer = functions.firestore
       contractId: string
     }
     const { eventId } = context
-    const contract = await getContract(contractId)
-    if (!contract)
-      throw new Error('Could not find contract corresponding with answer')
-
     const answer = change.data() as Answer
     // Ignore ante answer.
     if (answer.number === 0) return
 
+    const contract = await getContract(contractId)
+    if (!contract)
+      throw new Error('Could not find contract corresponding with answer')
+
     const answerCreator = await getUser(answer.userId)
     if (!answerCreator) throw new Error('Could not find answer creator')
 
@@ -28,6 +28,6 @@ export const onCreateAnswer = functions.firestore
       answerCreator,
       eventId,
       answer.text,
-      contract
+      { contract }
     )
   })

functions/src/on-create-bet.ts

@@ -1,9 +1,26 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { keyBy, uniq } from 'lodash'
 
-import { Bet } from '../../common/bet'
+import { Bet, LimitBet } from '../../common/bet'
+import { getContract, getUser, getValues, isProd, log } from './utils'
+import {
+  createBetFillNotification,
+  createNotification,
+} from './create-notification'
+import { filterDefined } from '../../common/util/array'
+import { Contract } from '../../common/contract'
+import { runTxn, TxnData } from './transact'
+import { UNIQUE_BETTOR_BONUS_AMOUNT } from '../../common/numeric-constants'
+import {
+  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
+  HOUSE_LIQUIDITY_PROVIDER_ID,
+} from '../../common/antes'
+import { APIError } from '../../common/api'
+import { User } from '../../common/user'
 
 const firestore = admin.firestore()
+const BONUS_START_DATE = new Date('2022-07-13T15:30:00.000Z').getTime()
 
 export const onCreateBet = functions.firestore
   .document('contracts/{contractId}/bets/{betId}')
@@ -11,6 +28,8 @@ export const onCreateBet = functions.firestore
     const { contractId } = context.params as {
       contractId: string
     }
+    const { eventId } = context
+
     const bet = change.data() as Bet
     const lastBetTime = bet.createdTime
 
@@ -18,4 +37,146 @@ export const onCreateBet = functions.firestore
       .collection('contracts')
       .doc(contractId)
       .update({ lastBetTime, lastUpdatedTime: Date.now() })
+
+    await notifyFills(bet, contractId, eventId)
+    await updateUniqueBettorsAndGiveCreatorBonus(
+      contractId,
+      eventId,
+      bet.userId
+    )
   })
+
+const updateUniqueBettorsAndGiveCreatorBonus = async (
+  contractId: string,
+  eventId: string,
+  bettorId: string
+) => {
+  const userContractSnap = await firestore
+    .collection(`contracts`)
+    .doc(contractId)
+    .get()
+  const contract = userContractSnap.data() as Contract
+  if (!contract) {
+    log(`Could not find contract ${contractId}`)
+    return
+  }
+  let previousUniqueBettorIds = contract.uniqueBettorIds
+
+  if (!previousUniqueBettorIds) {
+    const contractBets = (
+      await firestore.collection(`contracts/${contractId}/bets`).get()
+    ).docs.map((doc) => doc.data() as Bet)
+
+    if (contractBets.length === 0) {
+      log(`No bets for contract ${contractId}`)
+      return
+    }
+
+    previousUniqueBettorIds = uniq(
+      contractBets
+        .filter((bet) => bet.createdTime < BONUS_START_DATE)
+        .map((bet) => bet.userId)
+    )
+  }
+
+  const isNewUniqueBettor = !previousUniqueBettorIds.includes(bettorId)
+
+  const newUniqueBettorIds = uniq([...previousUniqueBettorIds, bettorId])
+  // Update contract unique bettors
+  if (!contract.uniqueBettorIds || isNewUniqueBettor) {
+    log(`Got ${previousUniqueBettorIds} unique bettors`)
+    isNewUniqueBettor && log(`And a new unique bettor ${bettorId}`)
+    await firestore.collection(`contracts`).doc(contractId).update({
+      uniqueBettorIds: newUniqueBettorIds,
+      uniqueBettorCount: newUniqueBettorIds.length,
+    })
+  }
+
+  // No need to give a bonus for the creator's bet
+  if (!isNewUniqueBettor || bettorId == contract.creatorId) return
+
+  // Create combined txn for all new unique bettors
+  const bonusTxnDetails = {
+    contractId: contractId,
+    uniqueBettorIds: newUniqueBettorIds,
+  }
+  const fromUserId = isProd()
+    ? HOUSE_LIQUIDITY_PROVIDER_ID
+    : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
+  const fromSnap = await firestore.doc(`users/${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,
+      fromType: 'BANK',
+      toId: contract.creatorId,
+      toType: 'USER',
+      amount: UNIQUE_BETTOR_BONUS_AMOUNT,
+      token: 'M$',
+      category: 'UNIQUE_BETTOR_BONUS',
+      description: JSON.stringify(bonusTxnDetails),
+    }
+    return await runTxn(trans, bonusTxn)
+  })
+
+  if (result.status != 'success' || !result.txn) {
+    log(`No bonus for user: ${contract.creatorId} - reason:`, result.status)
+  } else {
+    log(`Bonus txn for user: ${contract.creatorId} completed:`, result.txn?.id)
+    await createNotification(
+      result.txn.id,
+      'bonus',
+      'created',
+      fromUser,
+      eventId + '-bonus',
+      result.txn.amount + '',
+      {
+        contract,
+        slug: contract.slug,
+        title: contract.question,
+      }
+    )
+  }
+}
+
+const notifyFills = async (bet: Bet, contractId: string, eventId: string) => {
+  if (!bet.fills) return
+
+  const user = await getUser(bet.userId)
+  if (!user) return
+  const contract = await getContract(contractId)
+  if (!contract) return
+
+  const matchedFills = bet.fills.filter((fill) => fill.matchedBetId !== null)
+  const matchedBets = (
+    await Promise.all(
+      matchedFills.map((fill) =>
+        getValues<LimitBet>(
+          firestore.collectionGroup('bets').where('id', '==', fill.matchedBetId)
+        )
+      )
+    )
+  ).flat()
+
+  const betUsers = await Promise.all(
+    matchedBets.map((bet) => getUser(bet.userId))
+  )
+  const betUsersById = keyBy(filterDefined(betUsers), 'id')
+
+  await Promise.all(
+    matchedBets.map((matchedBet) => {
+      const matchedUser = betUsersById[matchedBet.userId]
+      if (!matchedUser) return
+
+      return createBetFillNotification(
+        user,
+        matchedUser,
+        bet,
+        matchedBet,
+        contract,
+        eventId
+      )
+    })
+  )
+}

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

@@ -1,17 +1,17 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
-import { uniq } from 'lodash'
+import { compact, uniq } from 'lodash'
-
 import { getContract, getUser, getValues } from './utils'
 import { Comment } from '../../common/comment'
 import { sendNewCommentEmail } from './emails'
 import { Bet } from '../../common/bet'
 import { Answer } from '../../common/answer'
 import { createNotification } from './create-notification'
+import { parseMentions, richTextToString } from '../../common/util/parse'
 
 const firestore = admin.firestore()
 
-export const onCreateComment = functions
+export const onCreateCommentOnContract = functions
   .runWith({ secrets: ['MAILGUN_KEY'] })
   .firestore.document('contracts/{contractId}/comments/{commentId}')
   .onCreate(async (change, context) => {
@@ -68,20 +68,22 @@ export const onCreateComment = functions
       ? 'answer'
       : undefined
 
-    const relatedUser = comment.replyToCommentId
+    const repliedUserId = comment.replyToCommentId
       ? comments.find((c) => c.id === comment.replyToCommentId)?.userId
       : answer?.userId
 
+    const recipients = uniq(
+      compact([...parseMentions(comment.content), repliedUserId])
+    )
+
     await createNotification(
       comment.id,
       'comment',
       'created',
       commentCreator,
       eventId,
-      comment.text,
+      richTextToString(comment.content),
-      contract,
+      { contract, relatedSourceType, recipients }
-      relatedSourceType,
-      relatedUser
     )
 
     const recipientUserIds = uniq([

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

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

functions/src/on-create-contract.ts

@@ -2,6 +2,8 @@ import * as functions from 'firebase-functions'
 import { getUser } from './utils'
 import { createNotification } from './create-notification'
 import { Contract } from '../../common/contract'
+import { parseMentions, richTextToString } from '../../common/util/parse'
+import { JSONContent } from '@tiptap/core'
 
 export const onCreateContract = functions.firestore
   .document('contracts/{contractId}')
@@ -12,13 +14,16 @@ export const onCreateContract = functions.firestore
     const contractCreator = await getUser(contract.creatorId)
     if (!contractCreator) throw new Error('Could not find contract creator')
 
+    const desc = contract.description as JSONContent
+    const mentioned = parseMentions(desc)
+
     await createNotification(
       contract.id,
       'contract',
       'created',
       contractCreator,
       eventId,
-      contract.description,
+      richTextToString(desc),
-      contract
+      { contract, recipients: mentioned }
     )
   })

functions/src/on-create-group.ts

@@ -12,19 +12,17 @@ export const onCreateGroup = functions.firestore
     const groupCreator = await getUser(group.creatorId)
     if (!groupCreator) throw new Error('Could not find group creator')
     // create notifications for all members of the group
-    for (const memberId of group.memberIds) {
+    await createNotification(
-      await createNotification(
+      group.id,
-        group.id,
+      'group',
-        'group',
+      'created',
-        'created',
+      groupCreator,
-        groupCreator,
+      eventId,
-        eventId,
+      group.about,
-        group.about,
+      {
-        undefined,
+        recipients: group.memberIds,
-        undefined,
+        slug: group.slug,
-        memberId,
+        title: group.name,
-        group.slug,
+      }
-        group.name
+    )
-      )
-    }
   })

functions/src/on-create-liquidity-provision.ts

@@ -8,14 +8,14 @@ export const onCreateLiquidityProvision = functions.firestore
   .onCreate(async (change, context) => {
     const liquidity = change.data() as LiquidityProvision
     const { eventId } = context
-    const contract = await getContract(liquidity.contractId)
-
-    if (!contract)
-      throw new Error('Could not find contract corresponding with liquidity')
 
     // Ignore Manifold Markets liquidity for now - users see a notification for free market liquidity provision
     if (liquidity.userId === 'IPTOzEqrpkWmEzh6hwvAyY9PqFb2') return
 
+    const contract = await getContract(liquidity.contractId)
+    if (!contract)
+      throw new Error('Could not find contract corresponding with liquidity')
+
     const liquidityProvider = await getUser(liquidity.userId)
     if (!liquidityProvider) throw new Error('Could not find liquidity provider')
 
@@ -26,6 +26,6 @@ export const onCreateLiquidityProvision = functions.firestore
       liquidityProvider,
       eventId,
       liquidity.amount.toString(),
-      contract
+      { contract }
     )
   })

functions/src/on-create-txn.ts

@@ -0,0 +1,81 @@
+import * as functions from 'firebase-functions'
+import { TipTxn, Txn } from 'common/txn'
+import { getContract, getGroup, getUser, log } from './utils'
+import { createTipNotification } from './create-notification'
+import * as admin from 'firebase-admin'
+import { Comment } from 'common/comment'
+
+const firestore = admin.firestore()
+
+export const onCreateTxn = functions.firestore
+  .document('txns/{txnId}')
+  .onCreate(async (change, context) => {
+    const txn = change.data() as Txn
+    const { eventId } = context
+
+    if (txn.category === 'TIP') {
+      await handleTipTxn(txn, eventId)
+    }
+  })
+
+async function handleTipTxn(txn: TipTxn, eventId: string) {
+  // get user sending and receiving tip
+  const [sender, receiver] = await Promise.all([
+    getUser(txn.fromId),
+    getUser(txn.toId),
+  ])
+  if (!sender || !receiver) {
+    log('Could not find corresponding users')
+    return
+  }
+
+  if (!txn.data?.commentId) {
+    log('No comment id in tip txn.data')
+    return
+  }
+  let contract = undefined
+  let group = undefined
+  let commentSnapshot = undefined
+
+  if (txn.data.contractId) {
+    contract = await getContract(txn.data.contractId)
+    if (!contract) {
+      log('Could not find contract')
+      return
+    }
+    commentSnapshot = await firestore
+      .collection('contracts')
+      .doc(contract.id)
+      .collection('comments')
+      .doc(txn.data.commentId)
+      .get()
+  } else if (txn.data.groupId) {
+    group = await getGroup(txn.data.groupId)
+    if (!group) {
+      log('Could not find group')
+      return
+    }
+    commentSnapshot = await firestore
+      .collection('groups')
+      .doc(group.id)
+      .collection('comments')
+      .doc(txn.data.commentId)
+      .get()
+  }
+
+  if (!commentSnapshot || !commentSnapshot.exists) {
+    log('Could not find comment')
+    return
+  }
+  const comment = commentSnapshot.data() as Comment
+
+  await createTipNotification(
+    sender,
+    receiver,
+    txn,
+    eventId,
+    comment.id,
+    contract,
+    group
+  )
+}

functions/src/on-delete-group.ts

@@ -0,0 +1,36 @@
+import * as functions from 'firebase-functions'
+import * as admin from 'firebase-admin'
+
+import { Group } from 'common/group'
+import { Contract } from 'common/contract'
+
+const firestore = admin.firestore()
+
+export const onDeleteGroup = functions.firestore
+  .document('groups/{groupId}')
+  .onDelete(async (change) => {
+    const group = change.data() as Group
+
+    // get all contracts with this group's slug
+    const contracts = await firestore
+      .collection('contracts')
+      .where('groupSlugs', 'array-contains', group.slug)
+      .get()
+    console.log("contracts with group's slug:", contracts)
+
+    for (const doc of contracts.docs) {
+      const contract = doc.data() as Contract
+      const newGroupLinks = contract.groupLinks?.filter(
+        (link) => link.slug !== group.slug
+      )
+
+      // remove the group from the contract
+      await firestore
+        .collection('contracts')
+        .doc(contract.id)
+        .update({
+          groupSlugs: contract.groupSlugs?.filter((s) => s !== group.slug),
+          groupLinks: newGroupLinks ?? [],
+        })
+    }
+  })

functions/src/on-follow-user.ts

@@ -30,9 +30,7 @@ export const onFollowUser = functions.firestore
       followingUser,
       eventId,
       '',
-      undefined,
+      { recipients: [follow.userId] }
-      undefined,
-      follow.userId
     )
   })
 

functions/src/on-update-contract.ts

@@ -24,6 +24,9 @@ export const onUpdateContract = functions.firestore
         if (resolutionText === 'MKT' && contract.resolutionProbability)
           resolutionText = `${contract.resolutionProbability}%`
         else if (resolutionText === 'MKT') resolutionText = 'PROB'
+      } else if (contract.outcomeType === 'PSEUDO_NUMERIC') {
+        if (resolutionText === 'MKT' && contract.resolutionValue)
+          resolutionText = `${contract.resolutionValue}`
       }
 
       await createNotification(
@@ -33,7 +36,7 @@ export const onUpdateContract = functions.firestore
         contractUpdater,
         eventId,
         resolutionText,
-        contract
+        { contract }
       )
     } else if (
       previousValue.closeTime !== contract.closeTime ||
@@ -59,7 +62,7 @@ export const onUpdateContract = functions.firestore
         contractUpdater,
         eventId,
         sourceText,
-        contract
+        { contract }
       )
     }
   })

functions/src/on-update-group.ts

@@ -1,6 +1,8 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
 import { Group } from '../../common/group'
+import { getContract } from './utils'
+import { uniq } from 'lodash'
 const firestore = admin.firestore()
 
 export const onUpdateGroup = functions.firestore
@@ -9,12 +11,41 @@ export const onUpdateGroup = functions.firestore
     const prevGroup = change.before.data() as Group
     const group = change.after.data() as Group
 
-    // ignore the update we just made
+    // Ignore the activity update we just made
     if (prevGroup.mostRecentActivityTime !== group.mostRecentActivityTime)
       return
 
+    if (prevGroup.contractIds.length < group.contractIds.length) {
+      await firestore
+        .collection('groups')
+        .doc(group.id)
+        .update({ mostRecentContractAddedTime: Date.now() })
+      //TODO: create notification with isSeeOnHref set to the group's /group/slug/questions url
+      // but first, let the new /group/slug/chat notification permeate so that we can differentiate between the two
+    }
+
     await firestore
       .collection('groups')
       .doc(group.id)
       .update({ mostRecentActivityTime: Date.now() })
   })
+
+export async function removeGroupLinks(group: Group, contractIds: string[]) {
+  for (const contractId of contractIds) {
+    const contract = await getContract(contractId)
+    await firestore
+      .collection('contracts')
+      .doc(contractId)
+      .update({
+        groupSlugs: uniq([
+          ...(contract?.groupSlugs?.filter((slug) => slug !== group.slug) ??
+            []),
+        ]),
+        groupLinks: [
+          ...(contract?.groupLinks?.filter(
+            (link) => link.groupId !== group.id
+          ) ?? []),
+        ],
+      })
+  }
+}

functions/src/on-update-user.ts

@@ -0,0 +1,136 @@
+import * as functions from 'firebase-functions'
+import * as admin from 'firebase-admin'
+import { REFERRAL_AMOUNT, User } from '../../common/user'
+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'
+const firestore = admin.firestore()
+
+export const onUpdateUser = functions.firestore
+  .document('users/{userId}')
+  .onUpdate(async (change, context) => {
+    const prevUser = change.before.data() as User
+    const user = change.after.data() as User
+    const { eventId } = context
+
+    if (prevUser.referredByUserId !== user.referredByUserId) {
+      await handleUserUpdatedReferral(user, eventId)
+    }
+
+    if (user.balance <= 0) {
+      await cancelLimitOrders(user.id)
+    }
+  })
+
+async function handleUserUpdatedReferral(user: User, eventId: string) {
+  // Only create a referral txn if the user has a referredByUserId
+  if (!user.referredByUserId) {
+    console.log(`Not set: referredByUserId ${user.referredByUserId}`)
+    return
+  }
+  const referredByUserId = user.referredByUserId
+
+  await firestore.runTransaction(async (transaction) => {
+    // get user that referred this user
+    const referredByUserDoc = firestore.doc(`users/${referredByUserId}`)
+    const referredByUserSnap = await transaction.get(referredByUserDoc)
+    if (!referredByUserSnap.exists) {
+      console.log(`User ${referredByUserId} not found`)
+      return
+    }
+    const referredByUser = referredByUserSnap.data() as User
+
+    let referredByContract: Contract | undefined = undefined
+    if (user.referredByContractId) {
+      const referredByContractDoc = firestore.doc(
+        `contracts/${user.referredByContractId}`
+      )
+      referredByContract = await transaction
+        .get(referredByContractDoc)
+        .then((snap) => snap.data() as Contract)
+    }
+    console.log(`referredByContract: ${referredByContract}`)
+
+    let referredByGroup: Group | undefined = undefined
+    if (user.referredByGroupId) {
+      const referredByGroupDoc = firestore.doc(
+        `groups/${user.referredByGroupId}`
+      )
+      referredByGroup = await transaction
+        .get(referredByGroupDoc)
+        .then((snap) => snap.data() as Group)
+    }
+    console.log(`referredByGroup: ${referredByGroup}`)
+
+    const txns = (
+      await firestore
+        .collection('txns')
+        .where('toId', '==', referredByUserId)
+        .where('category', '==', 'REFERRAL')
+        .get()
+    ).docs.map((txn) => txn.ref)
+    if (txns.length > 0) {
+      const referralTxns = await transaction.getAll(...txns).catch((err) => {
+        console.error('error getting txns:', err)
+        throw err
+      })
+      // If the referring user already has a referral txn due to referring this user, halt
+      if (
+        referralTxns.map((txn) => txn.data()?.description).includes(user.id)
+      ) {
+        console.log('found referral txn with the same details, aborting')
+        return
+      }
+    }
+    console.log('creating referral txns')
+    const fromId = HOUSE_LIQUIDITY_PROVIDER_ID
+
+    // if they're updating their referredId, create a txn for both
+    const txn: ReferralTxn = {
+      id: eventId,
+      createdTime: Date.now(),
+      fromId,
+      fromType: 'BANK',
+      toId: referredByUserId,
+      toType: 'USER',
+      amount: REFERRAL_AMOUNT,
+      token: 'M$',
+      category: 'REFERRAL',
+      description: `Referred new user id: ${user.id} for ${REFERRAL_AMOUNT}`,
+    }
+
+    const txnDoc = firestore.collection(`txns/`).doc(txn.id)
+    transaction.set(txnDoc, txn)
+    console.log('created referral with txn id:', txn.id)
+    // We're currently not subtracting M$ from the house, not sure if we want to for accounting purposes.
+    transaction.update(referredByUserDoc, {
+      balance: referredByUser.balance + REFERRAL_AMOUNT,
+      totalDeposits: referredByUser.totalDeposits + REFERRAL_AMOUNT,
+    })
+
+    await createReferralNotification(
+      referredByUser,
+      user,
+      eventId,
+      txn.amount.toString(),
+      referredByContract,
+      referredByGroup
+    )
+  })
+}
+
+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 }))
+  )
+}

functions/src/place-bet.ts

@@ -1,17 +1,25 @@
 import * as admin from 'firebase-admin'
 import { z } from 'zod'
+import {
+  DocumentReference,
+  FieldValue,
+  Query,
+  Transaction,
+} from 'firebase-admin/firestore'
+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 {
   BetInfo,
-  getNewBinaryCpmmBetInfo,
+  getBinaryCpmmBetInfo,
-  getNewBinaryDpmBetInfo,
   getNewMultiBetInfo,
   getNumericBetsInfo,
 } from '../../common/new-bet'
 import { addObjects, removeUndefinedProps } from '../../common/util/object'
+import { LimitBet } from '../../common/bet'
+import { floatingEqual } from '../../common/util/math'
 import { redeemShares } from './redeem-shares'
 import { log } from './utils'
 
@@ -22,6 +30,15 @@ const bodySchema = z.object({
 
 const binarySchema = z.object({
   outcome: z.enum(['YES', 'NO']),
+  limitProb: z
+    .number()
+    .gte(0.001)
+    .lte(0.999)
+    .refine(
+      (p) => Math.round(p * 100) === p * 100,
+      'limitProb must be in increments of 0.01 (i.e. whole percentage points)'
+    )
+    .optional(),
 })
 
 const freeResponseSchema = z.object({
@@ -33,7 +50,7 @@ const numericSchema = z.object({
   value: z.number(),
 })
 
-export const placebet = newEndpoint(['POST'], async (req, auth) => {
+export const placebet = newEndpoint({}, async (req, auth) => {
   log('Inside endpoint handler.')
   const { amount, contractId } = validate(bodySchema, req.body)
 
@@ -41,10 +58,7 @@ export const placebet = newEndpoint(['POST'], async (req, auth) => {
     log('Inside main transaction.')
     const contractDoc = firestore.doc(`contracts/${contractId}`)
     const userDoc = firestore.doc(`users/${auth.uid}`)
-    const [contractSnap, userSnap] = await Promise.all([
+    const [contractSnap, userSnap] = await trans.getAll(contractDoc, userDoc)
-      trans.get(contractDoc),
-      trans.get(userDoc),
-    ])
     if (!contractSnap.exists) throw new APIError(400, 'Contract not found.')
     if (!userSnap.exists) throw new APIError(400, 'User not found.')
     log('Loaded user and contract snapshots.')
@@ -65,14 +79,34 @@ export const placebet = newEndpoint(['POST'], async (req, auth) => {
       newTotalBets,
       newTotalLiquidity,
       newP,
-    } = await (async (): Promise<BetInfo> => {
+      makers,
-      if (outcomeType == 'BINARY' && mechanism == 'dpm-2') {
+    } = await (async (): Promise<
-        const { outcome } = validate(binarySchema, req.body)
+      BetInfo & {
-        return getNewBinaryDpmBetInfo(outcome, amount, contract)
+        makers?: maker[]
-      } else if (outcomeType == 'BINARY' && mechanism == 'cpmm-1') {
+      }
-        const { outcome } = validate(binarySchema, req.body)
+    > => {
-        return getNewBinaryCpmmBetInfo(outcome, amount, contract)
+      if (
-      } else if (outcomeType == 'FREE_RESPONSE' && mechanism == 'dpm-2') {
+        (outcomeType == 'BINARY' || outcomeType === 'PSEUDO_NUMERIC') &&
+        mechanism == 'cpmm-1'
+      ) {
+        const { outcome, limitProb } = validate(binarySchema, req.body)
+
+        const unfilledBetsSnap = await trans.get(
+          getUnfilledBetsQuery(contractDoc)
+        )
+        const unfilledBets = unfilledBetsSnap.docs.map((doc) => doc.data())
+
+        return getBinaryCpmmBetInfo(
+          outcome,
+          amount,
+          contract,
+          limitProb,
+          unfilledBets
+        )
+      } else if (
+        (outcomeType == 'FREE_RESPONSE' || outcomeType === 'MULTIPLE_CHOICE') &&
+        mechanism == 'dpm-2'
+      ) {
         const { outcome } = validate(freeResponseSchema, req.body)
         const answerDoc = contractDoc.collection('answers').doc(outcome)
         const answerSnap = await trans.get(answerDoc)
@@ -96,33 +130,99 @@ export const placebet = newEndpoint(['POST'], async (req, auth) => {
       throw new APIError(400, 'Bet too large for current liquidity pool.')
     }
 
-    const newBalance = user.balance - amount
     const betDoc = contractDoc.collection('bets').doc()
     trans.create(betDoc, { id: betDoc.id, userId: user.id, ...newBet })
     log('Created new bet document.')
-    trans.update(userDoc, { balance: newBalance })
-    log('Updated user balance.')
-    trans.update(
-      contractDoc,
-      removeUndefinedProps({
-        pool: newPool,
-        p: newP,
-        totalShares: newTotalShares,
-        totalBets: newTotalBets,
-        totalLiquidity: newTotalLiquidity,
-        collectedFees: addObjects(newBet.fees, collectedFees),
-        volume: volume + amount,
-      })
-    )
-    log('Updated contract properties.')
 
-    return { betId: betDoc.id }
+    if (makers) {
+      updateMakers(makers, betDoc.id, contractDoc, trans)
+    }
+
+    if (newBet.amount !== 0) {
+      trans.update(userDoc, { balance: FieldValue.increment(-newBet.amount) })
+      log('Updated user balance.')
+
+      trans.update(
+        contractDoc,
+        removeUndefinedProps({
+          pool: newPool,
+          p: newP,
+          totalShares: newTotalShares,
+          totalBets: newTotalBets,
+          totalLiquidity: newTotalLiquidity,
+          collectedFees: addObjects(newBet.fees, collectedFees),
+          volume: volume + newBet.amount,
+        })
+      )
+      log('Updated contract properties.')
+    }
+
+    return { betId: betDoc.id, makers, newBet }
   })
 
   log('Main transaction finished.')
-  await redeemShares(auth.uid, contractId)
+
-  log('Share redemption transaction finished.')
+  if (result.newBet.amount !== 0) {
-  return result
+    const userIds = uniq([
+      auth.uid,
+      ...(result.makers ?? []).map((maker) => maker.bet.userId),
+    ])
+    await Promise.all(userIds.map((userId) => redeemShares(userId, contractId)))
+    log('Share redemption transaction finished.')
+  }
+
+  return { betId: result.betId }
 })
 
 const firestore = admin.firestore()
+
+export const getUnfilledBetsQuery = (contractDoc: DocumentReference) => {
+  return contractDoc
+    .collection('bets')
+    .where('isFilled', '==', false)
+    .where('isCancelled', '==', false) as Query<LimitBet>
+}
+
+type maker = {
+  bet: LimitBet
+  amount: number
+  shares: number
+  timestamp: number
+}
+export const updateMakers = (
+  makers: maker[],
+  takerBetId: string,
+  contractDoc: DocumentReference,
+  trans: Transaction
+) => {
+  const makersByBet = groupBy(makers, (maker) => maker.bet.id)
+  for (const makers of Object.values(makersByBet)) {
+    const bet = makers[0].bet
+    const newFills = makers.map((maker) => {
+      const { amount, shares, timestamp } = maker
+      return { amount, shares, matchedBetId: takerBetId, timestamp }
+    })
+    const fills = [...bet.fills, ...newFills]
+    const totalShares = sumBy(fills, 'shares')
+    const totalAmount = sumBy(fills, 'amount')
+    const isFilled = floatingEqual(totalAmount, bet.orderAmount)
+
+    log('Updated a matched limit order.')
+    trans.update(contractDoc.collection('bets').doc(bet.id), {
+      fills,
+      isFilled,
+      amount: totalAmount,
+      shares: totalShares,
+    })
+  }
+
+  // Deduct balance of makers.
+  const spentByUser = mapValues(
+    groupBy(makers, (maker) => maker.bet.userId),
+    (makers) => sumBy(makers, (maker) => maker.amount)
+  )
+  for (const [userId, spent] of Object.entries(spentByUser)) {
+    const userDoc = firestore.collection('users').doc(userId)
+    trans.update(userDoc, { balance: FieldValue.increment(-spent) })
+  }
+}

functions/src/redeem-shares.ts

@@ -1,92 +1,46 @@
 import * as admin from 'firebase-admin'
-import { partition, sumBy } from 'lodash'
 
 import { Bet } from '../../common/bet'
-import { getProbability } from '../../common/calculate'
+import { getRedeemableAmount, getRedemptionBets } from '../../common/redeem'
 
 import { Contract } from '../../common/contract'
-import { noFees } from '../../common/fees'
 import { User } from '../../common/user'
 
 export const redeemShares = async (userId: string, contractId: string) => {
-  return await firestore.runTransaction(async (transaction) => {
+  return await firestore.runTransaction(async (trans) => {
     const contractDoc = firestore.doc(`contracts/${contractId}`)
-    const contractSnap = await transaction.get(contractDoc)
+    const contractSnap = await trans.get(contractDoc)
     if (!contractSnap.exists)
       return { status: 'error', message: 'Invalid contract' }
 
     const contract = contractSnap.data() as Contract
-    if (contract.outcomeType !== 'BINARY' || contract.mechanism !== 'cpmm-1')
+    const { mechanism } = contract
-      return { status: 'success' }
+    if (mechanism !== 'cpmm-1') return { status: 'success' }
 
-    const betsSnap = await transaction.get(
+    const betsColl = firestore.collection(`contracts/${contract.id}/bets`)
-      firestore
+    const betsSnap = await trans.get(betsColl.where('userId', '==', userId))
-        .collection(`contracts/${contract.id}/bets`)
-        .where('userId', '==', userId)
-    )
     const bets = betsSnap.docs.map((doc) => doc.data() as Bet)
-    const [yesBets, noBets] = partition(bets, (b) => b.outcome === 'YES')
+    const { shares, loanPayment, netAmount } = getRedeemableAmount(bets)
-    const yesShares = sumBy(yesBets, (b) => b.shares)
+    if (netAmount === 0) {
-    const noShares = sumBy(noBets, (b) => b.shares)
+      return { status: 'success' }
-
-    const amount = Math.min(yesShares, noShares)
-    if (amount <= 0) return
-
-    const prevLoanAmount = sumBy(bets, (bet) => bet.loanAmount ?? 0)
-    const loanPaid = Math.min(prevLoanAmount, amount)
-    const netAmount = amount - loanPaid
-
-    const p = getProbability(contract)
-    const createdTime = Date.now()
-
-    const yesDoc = firestore.collection(`contracts/${contract.id}/bets`).doc()
-    const yesBet: Bet = {
-      id: yesDoc.id,
-      userId: userId,
-      contractId: contract.id,
-      amount: p * -amount,
-      shares: -amount,
-      loanAmount: loanPaid ? -loanPaid / 2 : 0,
-      outcome: 'YES',
-      probBefore: p,
-      probAfter: p,
-      createdTime,
-      isRedemption: true,
-      fees: noFees,
-    }
-
-    const noDoc = firestore.collection(`contracts/${contract.id}/bets`).doc()
-    const noBet: Bet = {
-      id: noDoc.id,
-      userId: userId,
-      contractId: contract.id,
-      amount: (1 - p) * -amount,
-      shares: -amount,
-      loanAmount: loanPaid ? -loanPaid / 2 : 0,
-      outcome: 'NO',
-      probBefore: p,
-      probAfter: p,
-      createdTime,
-      isRedemption: true,
-      fees: noFees,
     }
+    const [yesBet, noBet] = getRedemptionBets(shares, loanPayment, contract)
 
     const userDoc = firestore.doc(`users/${userId}`)
-    const userSnap = await transaction.get(userDoc)
+    const userSnap = await trans.get(userDoc)
     if (!userSnap.exists) return { status: 'error', message: 'User not found' }
-
     const user = userSnap.data() as User
-
     const newBalance = user.balance + netAmount
 
     if (!isFinite(newBalance)) {
       throw new Error('Invalid user balance for ' + user.username)
     }
 
-    transaction.update(userDoc, { balance: newBalance })
+    const yesDoc = betsColl.doc()
-
+    const noDoc = betsColl.doc()
-    transaction.create(yesDoc, yesBet)
+    trans.update(userDoc, { balance: newBalance })
-    transaction.create(noDoc, noBet)
+    trans.create(yesDoc, { id: yesDoc.id, userId, ...yesBet })
+    trans.create(noDoc, { id: noDoc.id, userId, ...noBet })
 
     return { status: 'success' }
   })

functions/src/resolve-market.ts

@@ -1,8 +1,13 @@
-import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { z } from 'zod'
 import { difference, uniq, mapValues, groupBy, sumBy } from 'lodash'
 
-import { Contract, resolution, RESOLUTIONS } from '../../common/contract'
+import {
+  Contract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+  RESOLUTIONS,
+} from '../../common/contract'
 import { User } from '../../common/user'
 import { Bet } from '../../common/bet'
 import { getUser, isProd, payUser } from './utils'
@@ -13,158 +18,163 @@ import {
   groupPayoutsByUser,
   Payout,
 } from '../../common/payouts'
+import { isManifoldId } from '../../common/envs/constants'
 import { removeUndefinedProps } from '../../common/util/object'
 import { LiquidityProvision } from '../../common/liquidity-provision'
+import { APIError, newEndpoint, validate } from './api'
 
-export const resolveMarket = functions
+const bodySchema = z.object({
-  .runWith({ minInstances: 1, secrets: ['MAILGUN_KEY'] })
+  contractId: z.string(),
-  .https.onCall(
+})
-    async (
-      data: {
-        outcome: resolution
-        value?: number
-        contractId: string
-        probabilityInt?: number
-        resolutions?: { [outcome: string]: number }
-      },
-      context
-    ) => {
-      const userId = context?.auth?.uid
-      if (!userId) return { status: 'error', message: 'Not authorized' }
 
-      const { outcome, contractId, probabilityInt, resolutions, value } = data
+const binarySchema = z.object({
+  outcome: z.enum(RESOLUTIONS),
+  probabilityInt: z.number().gte(0).lte(100).optional(),
+})
 
-      const contractDoc = firestore.doc(`contracts/${contractId}`)
+const freeResponseSchema = z.union([
-      const contractSnap = await contractDoc.get()
+  z.object({
-      if (!contractSnap.exists)
+    outcome: z.literal('CANCEL'),
-        return { status: 'error', message: 'Invalid contract' }
+  }),
-      const contract = contractSnap.data() as Contract
+  z.object({
-      const { creatorId, outcomeType, closeTime } = contract
+    outcome: z.literal('MKT'),
+    resolutions: z.array(
+      z.object({
+        answer: z.number().int().nonnegative(),
+        pct: z.number().gte(0).lte(100),
+      })
+    ),
+  }),
+  z.object({
+    outcome: z.number().int().nonnegative(),
+  }),
+])
 
-      if (outcomeType === 'BINARY') {
+const numericSchema = z.object({
-        if (!RESOLUTIONS.includes(outcome))
+  outcome: z.union([z.literal('CANCEL'), z.string()]),
-          return { status: 'error', message: 'Invalid outcome' }
+  value: z.number().optional(),
-      } else if (outcomeType === 'FREE_RESPONSE') {
+})
-        if (
-          isNaN(+outcome) &&
-          !(outcome === 'MKT' && resolutions) &&
-          outcome !== 'CANCEL'
-        )
-          return { status: 'error', message: 'Invalid outcome' }
-      } else if (outcomeType === 'NUMERIC') {
-        if (isNaN(+outcome) && outcome !== 'CANCEL')
-          return { status: 'error', message: 'Invalid outcome' }
-      } else {
-        return { status: 'error', message: 'Invalid contract outcomeType' }
-      }
 
-      if (value !== undefined && !isFinite(value))
+const pseudoNumericSchema = z.union([
-        return { status: 'error', message: 'Invalid value' }
+  z.object({
+    outcome: z.literal('CANCEL'),
+  }),
+  z.object({
+    outcome: z.literal('MKT'),
+    value: z.number(),
+    probabilityInt: z.number().gte(0).lte(100),
+  }),
+])
 
-      if (
+const opts = { secrets: ['MAILGUN_KEY'] }
-        outcomeType === 'BINARY' &&
-        probabilityInt !== undefined &&
-        (probabilityInt < 0 ||
-          probabilityInt > 100 ||
-          !isFinite(probabilityInt))
-      )
-        return { status: 'error', message: 'Invalid probability' }
 
-      if (creatorId !== userId)
+export const resolvemarket = newEndpoint(opts, async (req, auth) => {
-        return { status: 'error', message: 'User not creator of contract' }
+  const { contractId } = validate(bodySchema, req.body)
+  const contractDoc = firestore.doc(`contracts/${contractId}`)
+  const contractSnap = await contractDoc.get()
+  if (!contractSnap.exists)
+    throw new APIError(404, 'No contract exists with the provided ID')
+  const contract = contractSnap.data() as Contract
+  const { creatorId, closeTime } = contract
 
-      if (contract.resolution)
+  const { value, resolutions, probabilityInt, outcome } = getResolutionParams(
-        return { status: 'error', message: 'Contract already resolved' }
+    contract,
-
+    req.body
-      const creator = await getUser(creatorId)
-      if (!creator) return { status: 'error', message: 'Creator not found' }
-
-      const resolutionProbability =
-        probabilityInt !== undefined ? probabilityInt / 100 : undefined
-
-      const resolutionTime = Date.now()
-      const newCloseTime = closeTime
-        ? Math.min(closeTime, resolutionTime)
-        : closeTime
-
-      const betsSnap = await firestore
-        .collection(`contracts/${contractId}/bets`)
-        .get()
-
-      const bets = betsSnap.docs.map((doc) => doc.data() as Bet)
-
-      const liquiditiesSnap = await firestore
-        .collection(`contracts/${contractId}/liquidity`)
-        .get()
-
-      const liquidities = liquiditiesSnap.docs.map(
-        (doc) => doc.data() as LiquidityProvision
-      )
-
-      const { payouts, creatorPayout, liquidityPayouts, collectedFees } =
-        getPayouts(
-          outcome,
-          resolutions ?? {},
-          contract,
-          bets,
-          liquidities,
-          resolutionProbability
-        )
-
-      await contractDoc.update(
-        removeUndefinedProps({
-          isResolved: true,
-          resolution: outcome,
-          resolutionValue: value,
-          resolutionTime,
-          closeTime: newCloseTime,
-          resolutionProbability,
-          resolutions,
-          collectedFees,
-        })
-      )
-
-      console.log('contract ', contractId, 'resolved to:', outcome)
-
-      const openBets = bets.filter((b) => !b.isSold && !b.sale)
-      const loanPayouts = getLoanPayouts(openBets)
-
-      if (!isProd())
-        console.log(
-          'payouts:',
-          payouts,
-          'creator payout:',
-          creatorPayout,
-          'liquidity payout:'
-        )
-
-      if (creatorPayout)
-        await processPayouts(
-          [{ userId: creatorId, payout: creatorPayout }],
-          true
-        )
-
-      await processPayouts(liquidityPayouts, true)
-
-      const result = await processPayouts([...payouts, ...loanPayouts])
-
-      const userPayoutsWithoutLoans = groupPayoutsByUser(payouts)
-
-      await sendResolutionEmails(
-        openBets,
-        userPayoutsWithoutLoans,
-        creator,
-        creatorPayout,
-        contract,
-        outcome,
-        resolutionProbability,
-        resolutions
-      )
-
-      return result
-    }
   )
 
+  if (creatorId !== auth.uid && !isManifoldId(auth.uid))
+    throw new APIError(403, 'User is not creator of contract')
+
+  if (contract.resolution) throw new APIError(400, 'Contract already resolved')
+
+  const creator = await getUser(creatorId)
+  if (!creator) throw new APIError(500, 'Creator not found')
+
+  const resolutionProbability =
+    probabilityInt !== undefined ? probabilityInt / 100 : undefined
+
+  const resolutionTime = Date.now()
+  const newCloseTime = closeTime
+    ? Math.min(closeTime, resolutionTime)
+    : closeTime
+
+  const betsSnap = await firestore
+    .collection(`contracts/${contractId}/bets`)
+    .get()
+
+  const bets = betsSnap.docs.map((doc) => doc.data() as Bet)
+
+  const liquiditiesSnap = await firestore
+    .collection(`contracts/${contractId}/liquidity`)
+    .get()
+
+  const liquidities = liquiditiesSnap.docs.map(
+    (doc) => doc.data() as LiquidityProvision
+  )
+
+  const { payouts, creatorPayout, liquidityPayouts, collectedFees } =
+    getPayouts(
+      outcome,
+      contract,
+      bets,
+      liquidities,
+      resolutions,
+      resolutionProbability
+    )
+
+  const updatedContract = {
+    ...contract,
+    ...removeUndefinedProps({
+      isResolved: true,
+      resolution: outcome,
+      resolutionValue: value,
+      resolutionTime,
+      closeTime: newCloseTime,
+      resolutionProbability,
+      resolutions,
+      collectedFees,
+    }),
+  }
+
+  await contractDoc.update(updatedContract)
+
+  console.log('contract ', contractId, 'resolved to:', outcome)
+
+  const openBets = bets.filter((b) => !b.isSold && !b.sale)
+  const loanPayouts = getLoanPayouts(openBets)
+
+  if (!isProd())
+    console.log(
+      'payouts:',
+      payouts,
+      'creator payout:',
+      creatorPayout,
+      'liquidity payout:'
+    )
+
+  if (creatorPayout)
+    await processPayouts([{ userId: creatorId, payout: creatorPayout }], true)
+
+  await processPayouts(liquidityPayouts, true)
+
+  await processPayouts([...payouts, ...loanPayouts])
+
+  const userPayoutsWithoutLoans = groupPayoutsByUser(payouts)
+
+  await sendResolutionEmails(
+    openBets,
+    userPayoutsWithoutLoans,
+    creator,
+    creatorPayout,
+    contract,
+    outcome,
+    resolutionProbability,
+    resolutions
+  )
+
+  return updatedContract
+})
+
 const processPayouts = async (payouts: Payout[], isDeposit = false) => {
   const userPayouts = groupPayoutsByUser(payouts)
 
@@ -221,4 +231,78 @@ const sendResolutionEmails = async (
   )
 }
 
+function getResolutionParams(contract: Contract, body: string) {
+  const { outcomeType } = contract
+
+  if (outcomeType === 'NUMERIC') {
+    return {
+      ...validate(numericSchema, body),
+      resolutions: undefined,
+      probabilityInt: undefined,
+    }
+  } else if (outcomeType === 'PSEUDO_NUMERIC') {
+    return {
+      ...validate(pseudoNumericSchema, body),
+      resolutions: undefined,
+    }
+  } else if (
+    outcomeType === 'FREE_RESPONSE' ||
+    outcomeType === 'MULTIPLE_CHOICE'
+  ) {
+    const freeResponseParams = validate(freeResponseSchema, body)
+    const { outcome } = freeResponseParams
+    switch (outcome) {
+      case 'CANCEL':
+        return {
+          outcome: outcome.toString(),
+          resolutions: undefined,
+          value: undefined,
+          probabilityInt: undefined,
+        }
+      case 'MKT': {
+        const { resolutions } = freeResponseParams
+        resolutions.forEach(({ answer }) => validateAnswer(contract, answer))
+        const pctSum = sumBy(resolutions, ({ pct }) => pct)
+        if (Math.abs(pctSum - 100) > 0.1) {
+          throw new APIError(400, 'Resolution percentages must sum to 100')
+        }
+        return {
+          outcome: outcome.toString(),
+          resolutions: Object.fromEntries(
+            resolutions.map((r) => [r.answer, r.pct])
+          ),
+          value: undefined,
+          probabilityInt: undefined,
+        }
+      }
+      default: {
+        validateAnswer(contract, outcome)
+        return {
+          outcome: outcome.toString(),
+          resolutions: undefined,
+          value: undefined,
+          probabilityInt: undefined,
+        }
+      }
+    }
+  } else if (outcomeType === 'BINARY') {
+    return {
+      ...validate(binarySchema, body),
+      value: undefined,
+      resolutions: undefined,
+    }
+  }
+  throw new APIError(500, `Invalid outcome type: ${outcomeType}`)
+}
+
+function validateAnswer(
+  contract: FreeResponseContract | MultipleChoiceContract,
+  answer: number
+) {
+  const validIds = contract.answers.map((a) => a.id)
+  if (!validIds.includes(answer.toString())) {
+    throw new APIError(400, `${answer} is not a valid answer ID`)
+  }
+}
+
 const firestore = admin.firestore()