Add a box for contributing to the bounty

common/answer.ts

@@ -1,3 +1,4 @@
+import { JSONContent } from '@tiptap/core'
 import { User } from './user'
 
 export type Answer = {
@@ -12,6 +13,7 @@ export type Answer = {
   avatarUrl?: string
 
   text: string
+  description?: string | JSONContent
 }
 
 export const getNoneAnswer = (contractId: string, creator: User) => {

common/calculate.ts

@@ -24,6 +24,7 @@ import {
   FreeResponseContract,
   PseudoNumericContract,
   MultipleChoiceContract,
+  AnswerContract,
 } from './contract'
 import { floatingEqual } from './util/math'
 
@@ -201,9 +202,7 @@ export function getContractBetNullMetrics() {
   }
 }
 
-export function getTopAnswer(
+export function getTopAnswer(contract: AnswerContract) {
-  contract: FreeResponseContract | MultipleChoiceContract
-) {
   const { answers } = contract
   const top = maxBy(
     answers?.map((answer) => ({

common/contract.ts

@@ -10,6 +10,7 @@ export type AnyOutcomeType =
   | PseudoNumeric
   | FreeResponse
   | Numeric
+  | Bounty
 export type AnyContractType =
   | (CPMM & Binary)
   | (CPMM & PseudoNumeric)
@@ -17,6 +18,7 @@ export type AnyContractType =
   | (DPM & FreeResponse)
   | (DPM & Numeric)
   | (DPM & MultipleChoice)
+  | (DPM & Bounty)
 
 export type Contract<T extends AnyContractType = AnyContractType> = {
   id: string
@@ -64,10 +66,15 @@ export type PseudoNumericContract = Contract & PseudoNumeric
 export type NumericContract = Contract & Numeric
 export type FreeResponseContract = Contract & FreeResponse
 export type MultipleChoiceContract = Contract & MultipleChoice
+export type BountyContract = Contract & Bounty
 export type DPMContract = Contract & DPM
 export type CPMMContract = Contract & CPMM
 export type DPMBinaryContract = BinaryContract & DPM
 export type CPMMBinaryContract = BinaryContract & CPMM
+export type AnswerContract =
+  | FreeResponseContract
+  | MultipleChoiceContract
+  | BountyContract
 
 export type DPM = {
   mechanism: 'dpm-2'
@@ -127,6 +134,21 @@ export type Numeric = {
   resolutionValue?: number
 }
 
+export type Bounty = {
+  outcomeType: 'BOUNTY'
+  // One answer for each submission
+  answers: Answer[]
+  // Resolution = which answer id the bounty went to
+  resolution?: string | 'MKT' | 'CANCEL'
+  resolutions?: { [outcome: string]: number } // Used for MKT resolution
+
+  // Amount contributed to each bounty, and by who
+  prizes: {
+    [giverId: string]: number
+  }
+  totalPrizes: number
+}
+
 export type outcomeType = AnyOutcomeType['outcomeType']
 export type resolution = 'YES' | 'NO' | 'MKT' | 'CANCEL'
 export const RESOLUTIONS = ['YES', 'NO', 'MKT', 'CANCEL'] as const
@@ -136,6 +158,7 @@ export const OUTCOME_TYPES = [
   'FREE_RESPONSE',
   'PSEUDO_NUMERIC',
   'NUMERIC',
+  'BOUNTY',
 ] as const
 
 export const MAX_QUESTION_LENGTH = 480

common/new-bet.ts

@@ -15,6 +15,7 @@ import {
   getCpmmProbability,
 } from './calculate-cpmm'
 import {
+  AnswerContract,
   CPMMBinaryContract,
   DPMBinaryContract,
   FreeResponseContract,
@@ -323,7 +324,7 @@ export const getNewBinaryDpmBetInfo = (
 export const getNewMultiBetInfo = (
   outcome: string,
   amount: number,
-  contract: FreeResponseContract | MultipleChoiceContract,
+  contract: AnswerContract,
   loanAmount: number
 ) => {
   const { pool, totalShares, totalBets } = contract

common/new-contract.ts

@@ -1,6 +1,7 @@
 import { range } from 'lodash'
 import {
   Binary,
+  Bounty,
   Contract,
   CPMM,
   DPM,
@@ -45,16 +46,22 @@ export function getNewContract(
   )
   const lowercaseTags = tags.map((tag) => tag.toLowerCase())
 
-  const propsByOutcomeType =
+  const PROPS = {
-    outcomeType === 'BINARY'
+    BINARY: getBinaryCpmmProps(initialProb, ante), // getBinaryDpmProps(initialProb, ante)
-      ? getBinaryCpmmProps(initialProb, ante) // getBinaryDpmProps(initialProb, ante)
+    PSEUDO_NUMERIC: getPseudoNumericCpmmProps(
-      : outcomeType === 'PSEUDO_NUMERIC'
+      initialProb,
-      ? getPseudoNumericCpmmProps(initialProb, ante, min, max, isLogScale)
+      ante,
-      : outcomeType === 'NUMERIC'
+      min,
-      ? getNumericProps(ante, bucketCount, min, max)
+      max,
-      : outcomeType === 'MULTIPLE_CHOICE'
+      isLogScale
-      ? getMultipleChoiceProps(ante, answers)
+    ),
-      : getFreeAnswerProps(ante)
+    FREE_RESPONSE: getFreeAnswerProps(ante),
+    MULTIPLE_CHOICE: getMultipleChoiceProps(ante, answers),
+    NUMERIC: getNumericProps(ante, bucketCount, min, max),
+    BOUNTY: getBountyProps(ante, creator),
+  }
+
+  const propsByOutcomeType = PROPS[outcomeType] || PROPS['FREE_RESPONSE']
 
   const contract: Contract = removeUndefinedProps({
     id,
@@ -157,6 +164,18 @@ const getFreeAnswerProps = (ante: number) => {
   return system
 }
 
+function getBountyProps(ante: number, creator: User) {
+  const system: DPM & Bounty = {
+    ...getFreeAnswerProps(ante),
+    outcomeType: 'BOUNTY',
+    prizes: {
+      [creator.id]: ante,
+    },
+    totalPrizes: ante,
+  }
+  return system
+}
+
 const getMultipleChoiceProps = (ante: number, answers: string[]) => {
   const numAnswers = answers.length
   const betAnte = ante / numAnswers

common/payouts-dpm.ts

@@ -3,6 +3,7 @@ import { sum, groupBy, sumBy, mapValues } from 'lodash'
 import { Bet, NumericBet } from './bet'
 import { deductDpmFees, getDpmProbability } from './calculate-dpm'
 import {
+  AnswerContract,
   DPMContract,
   FreeResponseContract,
   MultipleChoiceContract,
@@ -184,7 +185,7 @@ export const getDpmMktPayouts = (
 
 export const getPayoutsMultiOutcome = (
   resolutions: { [outcome: string]: number },
-  contract: FreeResponseContract | MultipleChoiceContract,
+  contract: AnswerContract,
   bets: Bet[]
 ) => {
   const poolTotal = sum(Object.values(contract.pool))

firebase.json

@@ -7,5 +7,11 @@
   "firestore": {
     "rules": "firestore.rules",
     "indexes": "firestore.indexes.json"
+  },
+  "emulators": {
+    "firestore": {
+      "port": 8080,
+      "host": "127.0.0.1"
+    }
   }
 }

functions/src/add-bounty.ts

@@ -0,0 +1,55 @@
+import * as admin from 'firebase-admin'
+import { z } from 'zod'
+
+import { Contract } from '../../common/contract'
+import { User } from '../../common/user'
+import { APIError, newEndpoint, validate } from './api'
+
+const firestore = admin.firestore()
+
+const bodySchema = z.object({
+  contractId: z.string(),
+  amount: z.number().gt(0),
+})
+
+export const addbounty = newEndpoint({}, async (req, auth) => {
+  const { amount, contractId } = validate(bodySchema, req.body)
+
+  return await firestore.runTransaction(async (transaction) => {
+    const userDoc = firestore.doc(`users/${auth.uid}`)
+    const userSnap = await transaction.get(userDoc)
+    if (!userSnap.exists) throw new APIError(400, 'User not found')
+    const user = userSnap.data() as User
+
+    const contractDoc = firestore.doc(`contracts/${contractId}`)
+    const contractSnap = await transaction.get(contractDoc)
+    if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
+    const contract = contractSnap.data() as Contract
+    if (contract.outcomeType !== 'BOUNTY')
+      throw new APIError(400, "Can't add bounties to non-BOUNTY contracts")
+
+    const { closeTime } = contract
+    if (closeTime && Date.now() > closeTime)
+      throw new APIError(400, 'Contract is closed')
+
+    if (user.balance < amount) throw new APIError(400, 'Insufficient balance')
+
+    // TODO: Capture with txns?
+    transaction.update(userDoc, {
+      balance: user.balance - amount,
+      totalDeposits: user.totalDeposits - amount,
+    })
+
+    const existingPrize = contract.prizes[user.id] ?? 0
+
+    transaction.update(contractDoc, {
+      prizes: {
+        ...contract.prizes,
+        [user.id]: existingPrize + amount,
+      },
+      totalPrizes: contract.totalPrizes + amount,
+    })
+
+    return { status: 'success' }
+  })
+})

functions/src/create-answer.ts

@@ -36,7 +36,10 @@ export const createanswer = newEndpoint(opts, async (req, auth) => {
     if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
     const contract = contractSnap.data() as Contract
 
-    if (contract.outcomeType !== 'FREE_RESPONSE')
+    if (
+      contract.outcomeType !== 'FREE_RESPONSE' &&
+      contract.outcomeType !== 'BOUNTY'
+    )
       throw new APIError(400, 'Requires a free response contract')
 
     const { closeTime, volume } = contract

functions/src/create-contract.ts

@@ -234,7 +234,7 @@ export const createmarket = newEndpoint({}, async (req, auth) => {
       )
     )
     await contractRef.update({ answers: answerObjects })
-  } else if (outcomeType === 'FREE_RESPONSE') {
+  } else if (outcomeType === 'FREE_RESPONSE' || outcomeType === 'BOUNTY') {
     const noneAnswerDoc = firestore
       .collection(`contracts/${contract.id}/answers`)
       .doc('0')

functions/src/index.ts

@@ -66,6 +66,7 @@ import { stripewebhook, createcheckoutsession } from './stripe'
 import { getcurrentuser } from './get-current-user'
 import { acceptchallenge } from './accept-challenge'
 import { getcustomtoken } from './get-custom-token'
+import { addbounty } from './add-bounty'
 
 const toCloudFunction = ({ opts, handler }: EndpointDefinition) => {
   return onRequest(opts, handler as any)
@@ -91,6 +92,7 @@ const createCheckoutSessionFunction = toCloudFunction(createcheckoutsession)
 const getCurrentUserFunction = toCloudFunction(getcurrentuser)
 const acceptChallenge = toCloudFunction(acceptchallenge)
 const getCustomTokenFunction = toCloudFunction(getcustomtoken)
+const addBountyFunction = toCloudFunction(addbounty)
 
 export {
   healthFunction as health,
@@ -114,4 +116,5 @@ export {
   getCurrentUserFunction as getcurrentuser,
   acceptChallenge as acceptchallenge,
   getCustomTokenFunction as getcustomtoken,
+  addBountyFunction as addbounty,
 }

functions/src/resolve-market.ts

@@ -2,12 +2,7 @@ import * as admin from 'firebase-admin'
 import { z } from 'zod'
 import { difference, uniq, mapValues, groupBy, sumBy } from 'lodash'
 
-import {
+import { AnswerContract, Contract, RESOLUTIONS } from '../../common/contract'
-  Contract,
-  FreeResponseContract,
-  MultipleChoiceContract,
-  RESOLUTIONS,
-} from '../../common/contract'
 import { User } from '../../common/user'
 import { Bet } from '../../common/bet'
 import { getUser, isProd, payUser } from './utils'
@@ -295,10 +290,7 @@ function getResolutionParams(contract: Contract, body: string) {
   throw new APIError(500, `Invalid outcome type: ${outcomeType}`)
 }
 
-function validateAnswer(
+function validateAnswer(contract: AnswerContract, answer: number) {
-  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`)

functions/src/serve.ts

@@ -27,6 +27,7 @@ import { unsubscribe } from './unsubscribe'
 import { stripewebhook, createcheckoutsession } from './stripe'
 import { getcurrentuser } from './get-current-user'
 import { getcustomtoken } from './get-custom-token'
+import { addbounty } from './add-bounty'
 
 type Middleware = (req: Request, res: Response, next: NextFunction) => void
 const app = express()
@@ -65,6 +66,7 @@ addJsonEndpointRoute('/resolvemarket', resolvemarket)
 addJsonEndpointRoute('/unsubscribe', unsubscribe)
 addJsonEndpointRoute('/createcheckoutsession', createcheckoutsession)
 addJsonEndpointRoute('/getcurrentuser', getcurrentuser)
+addJsonEndpointRoute('/addbounty', addbounty)
 addEndpointRoute('/getcustomtoken', getcustomtoken)
 addEndpointRoute('/stripewebhook', stripewebhook, express.raw())
 

web/README.md

@@ -9,7 +9,7 @@ To run the development server, install [Yarn 1.x][yarn], and then in this direct
 3. Your site will be available on http://localhost:3000
 
 Check package.json for other command-line tasks. (e.g. `yarn dev` will point the development server at the prod
-database. `yarn emulate` will run against a local emulated database, if you are serving it via `yarn serve` from the
+database. `yarn dev:emulate` will run against a local emulated database, if you are serving it via `yarn serve` from the
 [`functions/` package][functions-readme].)
 
 ## Tech stack

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

@@ -3,7 +3,7 @@ import { useEffect, useRef, useState } from 'react'
 import { XIcon } from '@heroicons/react/solid'
 
 import { Answer } from 'common/answer'
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import { AnswerContract } from 'common/contract'
 import { BuyAmountInput } from '../amount-input'
 import { Col } from '../layout/col'
 import { APIError, placeBet } from 'web/lib/firebase/api'
@@ -30,7 +30,7 @@ import { AlertBox } from '../alert-box'
 
 export function AnswerBetPanel(props: {
   answer: Answer
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   closePanel: () => void
   className?: string
   isModal?: boolean

web/components/answers/answer-item.tsx

@@ -1,7 +1,7 @@
 import clsx from 'clsx'
 
 import { Answer } from 'common/answer'
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import { AnswerContract } from 'common/contract'
 import { Col } from '../layout/col'
 import { Row } from '../layout/row'
 import { Avatar } from '../avatar'
@@ -13,7 +13,7 @@ import { Linkify } from '../linkify'
 
 export function AnswerItem(props: {
   answer: Answer
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   showChoice: 'radio' | 'checkbox' | undefined
   chosenProb: number | undefined
   totalChosenProb?: number

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

@@ -2,7 +2,7 @@ import clsx from 'clsx'
 import { sum } from 'lodash'
 import { useState } from 'react'
 
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import { AnswerContract } from 'common/contract'
 import { Col } from '../layout/col'
 import { APIError, resolveMarket } from 'web/lib/firebase/api'
 import { Row } from '../layout/row'
@@ -11,7 +11,7 @@ import { ResolveConfirmationButton } from '../confirmation-button'
 import { removeUndefinedProps } from 'common/util/object'
 
 export function AnswerResolvePanel(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   resolveOption: 'CHOOSE' | 'CHOOSE_MULTIPLE' | 'CANCEL' | undefined
   setResolveOption: (
     option: 'CHOOSE' | 'CHOOSE_MULTIPLE' | 'CANCEL' | undefined

web/components/answers/answers-graph.tsx

@@ -5,14 +5,18 @@ import { groupBy, sortBy, sumBy } from 'lodash'
 import { memo } from 'react'
 
 import { Bet } from 'common/bet'
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import {
+  AnswerContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+} from 'common/contract'
 import { getOutcomeProbability } from 'common/calculate'
 import { useWindowSize } from 'web/hooks/use-window-size'
 
 const NUM_LINES = 6
 
 export const AnswersGraph = memo(function AnswersGraph(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   bets: Bet[]
   height?: number
 }) {
@@ -178,10 +182,7 @@ function formatTime(
   return d.format(format)
 }
 
-const computeProbsByOutcome = (
+const computeProbsByOutcome = (bets: Bet[], contract: AnswerContract) => {
-  bets: Bet[],
-  contract: FreeResponseContract | MultipleChoiceContract
-) => {
   const { totalBets, outcomeType } = contract
 
   const betsByOutcome = groupBy(bets, (bet) => bet.outcome)

web/components/answers/answers-panel.tsx

@@ -1,7 +1,12 @@
 import { sortBy, partition, sum, uniq } from 'lodash'
 import { useEffect, useState } from 'react'
 
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import {
+  AnswerContract,
+  BountyContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+} from 'common/contract'
 import { Col } from '../layout/col'
 import { useUser } from 'web/hooks/use-user'
 import { getDpmOutcomeProbability } from 'common/calculate-dpm'
@@ -25,9 +30,7 @@ import { UserLink } from 'web/components/user-page'
 import { Linkify } from 'web/components/linkify'
 import { BuyButton } from 'web/components/yes-no-selector'
 
-export function AnswersPanel(props: {
+export function AnswersPanel(props: { contract: AnswerContract }) {
-  contract: FreeResponseContract | MultipleChoiceContract
-}) {
   const { contract } = props
   const { creatorId, resolution, resolutions, totalBets, outcomeType } =
     contract
@@ -136,7 +139,7 @@ export function AnswersPanel(props: {
         <div className="pb-4 text-gray-500">No answers yet...</div>
       )}
 
-      {outcomeType === 'FREE_RESPONSE' &&
+      {(outcomeType === 'FREE_RESPONSE' || outcomeType === 'BOUNTY') &&
         tradingAllowed(contract) &&
         (!resolveOption || resolveOption === 'CANCEL') && (
           <CreateAnswerPanel contract={contract} />
@@ -158,7 +161,7 @@ export function AnswersPanel(props: {
 }
 
 function getAnswerItems(
-  contract: FreeResponseContract | MultipleChoiceContract,
+  contract: AnswerContract,
   answers: Answer[],
   user: User | undefined | null
 ) {
@@ -184,7 +187,7 @@ function getAnswerItems(
 }
 
 function OpenAnswer(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   answer: Answer
   items: ActivityItem[]
   type: string

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

@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Textarea from 'react-expanding-textarea'
 import { findBestMatch } from 'string-similarity'
 
-import { FreeResponseContract } from 'common/contract'
+import { BountyContract, FreeResponseContract } from 'common/contract'
 import { BuyAmountInput } from '../amount-input'
 import { Col } from '../layout/col'
 import { APIError, createAnswer } from 'web/lib/firebase/api'
@@ -26,7 +26,9 @@ import { MAX_ANSWER_LENGTH } from 'common/answer'
 import { withTracking } from 'web/lib/service/analytics'
 import { lowerCase } from 'lodash'
 
-export function CreateAnswerPanel(props: { contract: FreeResponseContract }) {
+export function CreateAnswerPanel(props: {
+  contract: FreeResponseContract | BountyContract
+}) {
   const { contract } = props
   const user = useUser()
   const [text, setText] = useState('')

web/components/bounty/bounty-box.tsx

@@ -0,0 +1,73 @@
+import clsx from 'clsx'
+import { BountyContract } from 'common/contract'
+import { User } from 'common/user'
+import { useState } from 'react'
+import { addBounty } from 'web/lib/firebase/api'
+import { BuyAmountInput } from '../amount-input'
+import { Spacer } from '../layout/spacer'
+import { Title } from '../title'
+
+export function BountyBox(props: {
+  className?: string
+  user?: User | null
+  contract: BountyContract
+}) {
+  const { className, user, contract } = props
+  const [amount, setAmount] = useState<number | undefined>()
+  const [isSubmitting, setIsSubmitting] = useState(false)
+  const [error, setError] = useState<string | undefined>()
+
+  const donateDisabled = isSubmitting || !amount || error
+
+  const onSubmit: React.FormEventHandler = async (e) => {
+    if (!user || donateDisabled) return
+
+    e.preventDefault()
+    setIsSubmitting(true)
+    setError(undefined)
+
+    await addBounty({
+      amount,
+      contractId: contract.id,
+    })
+
+    setIsSubmitting(false)
+    setAmount(undefined)
+  }
+
+  return (
+    <div className={clsx(className, 'rounded-lg bg-white py-6 px-8 shadow-lg')}>
+      <Title text="Add to bounty" className="!mt-0" />
+      <form onSubmit={onSubmit}>
+        <label
+          className="mb-2 block text-sm text-gray-500"
+          htmlFor="donate-input"
+        >
+          Contribute
+        </label>
+        <BuyAmountInput
+          inputClassName="w-full max-w-none donate-input"
+          amount={amount}
+          onChange={setAmount}
+          error={error}
+          setError={setError}
+        />
+
+        <Spacer h={8} />
+
+        {user && (
+          <button
+            type="submit"
+            className={clsx(
+              'btn w-full',
+              donateDisabled ? 'btn-disabled' : 'btn-primary',
+              isSubmitting && 'loading'
+            )}
+          >
+            Add to bounty
+          </button>
+        )}
+      </form>
+    </div>
+  )
+}

web/components/contract/contract-card.tsx

@@ -1,11 +1,17 @@
 import clsx from 'clsx'
 import Link from 'next/link'
 import { Row } from '../layout/row'
-import { formatLargeNumber, formatPercent } from 'common/util/format'
+import {
+  formatLargeNumber,
+  formatMoney,
+  formatPercent,
+} from 'common/util/format'
 import { contractPath, getBinaryProbPercent } from 'web/lib/firebase/contracts'
 import { Col } from '../layout/col'
 import {
+  AnswerContract,
   BinaryContract,
+  BountyContract,
   Contract,
   FreeResponseContract,
   MultipleChoiceContract,
@@ -169,6 +175,13 @@ export function ContractCard(props: {
               truncate="long"
             />
           )}
+
+          {outcomeType === 'BOUNTY' && (
+            <BountyValue
+              className="items-center self-center pr-5"
+              contract={contract}
+            />
+          )}
           <ProbBar contract={contract} />
         </>
       )}
@@ -211,8 +224,25 @@ export function BinaryResolutionOrChance(props: {
   )
 }
 
+export function BountyValue(props: {
+  contract: BountyContract
+  large?: boolean
+  className?: string
+}) {
+  const { contract, large, className } = props
+  const textColor = `text-${getColor(contract)}`
+  return (
+    <Col className={clsx(large ? 'text-3xl' : 'text-2xl', className)}>
+      <div className={textColor}>{formatMoney(contract.totalPrizes)}</div>
+      <div className={clsx(textColor, large ? 'text-xl' : 'text-base')}>
+        bounty
+      </div>
+    </Col>
+  )
+}
+
 function FreeResponseTopAnswer(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   truncate: 'short' | 'long' | 'none'
   className?: string
 }) {

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

@@ -32,14 +32,15 @@ export function ContractInfoDialog(props: { contract: Contract; bets: Bet[] }) {
     'userId'
   ).length
 
-  const typeDisplay =
+  const TYPES = {
-    outcomeType === 'BINARY'
+    BINARY: 'YES / NO',
-      ? 'YES / NO'
+    FREE_RESPONSE: 'Free Response',
-      : outcomeType === 'FREE_RESPONSE'
+    MULTIPLE_CHOICE: 'Multiple Choice',
-      ? 'Free response'
+    NUMERIC: 'Numeric (deprecated)',
-      : outcomeType === 'MULTIPLE_CHOICE'
+    PSEUDO_NUMERIC: 'Numeric',
-      ? 'Multiple choice'
+    BOUNTY: 'Bounty',
-      : 'Numeric'
+  }
+  const typeDisplay = TYPES[outcomeType] || 'Unknown'
 
   return (
     <>

web/components/contract/contract-overview.tsx

@@ -10,6 +10,7 @@ import { Row } from '../layout/row'
 import { Linkify } from '../linkify'
 import {
   BinaryResolutionOrChance,
+  BountyValue,
   FreeResponseResolutionOrChance,
   NumericResolutionOrExpectation,
   PseudoNumericResolutionOrExpectation,
@@ -44,7 +45,6 @@ export const ContractOverview = (props: {
           <div className="text-2xl text-indigo-700 md:text-3xl">
             <Linkify text={question} />
           </div>
-
           {isBinary && (
             <BinaryResolutionOrChance
               className="hidden items-end xl:flex"
@@ -52,20 +52,24 @@ export const ContractOverview = (props: {
               large
             />
           )}
-
           {isPseudoNumeric && (
             <PseudoNumericResolutionOrExpectation
               contract={contract}
               className="hidden items-end xl:flex"
             />
           )}
-
           {outcomeType === 'NUMERIC' && (
             <NumericResolutionOrExpectation
               contract={contract}
               className="hidden items-end xl:flex"
             />
           )}
+          {outcomeType === 'BOUNTY' && (
+            <BountyValue
+              contract={contract}
+              className="hidden items-end xl:flex"
+            />
+          )}
         </Row>
 
         {isBinary ? (

web/components/contract/contract-tabs.tsx

@@ -56,7 +56,8 @@ export function ContractTabs(props: {
         tips={tips}
         user={user}
         mode={
-          contract.outcomeType === 'FREE_RESPONSE'
+          contract.outcomeType === 'FREE_RESPONSE' ||
+          contract.outcomeType === 'BOUNTY'
             ? 'free-response-comment-answer-groups'
             : 'comments'
         }

web/components/outcome-label.tsx

@@ -3,7 +3,9 @@ import { Answer } from 'common/answer'
 import { getProbability } from 'common/calculate'
 import { getValueFromBucket } from 'common/calculate-dpm'
 import {
+  AnswerContract,
   BinaryContract,
+  BountyContract,
   Contract,
   FreeResponseContract,
   MultipleChoiceContract,
@@ -77,7 +79,7 @@ export function BinaryContractOutcomeLabel(props: {
 }
 
 export function FreeResponseOutcomeLabel(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   resolution: string | 'CANCEL' | 'MKT'
   truncate: 'short' | 'long' | 'none'
   answerClassName?: string

web/lib/firebase/api.ts

@@ -88,3 +88,7 @@ export function acceptChallenge(params: any) {
 export function getCurrentUser(params: any) {
   return call(getFunctionUrl('getcurrentuser'), 'GET', params)
 }
+
+export function addBounty(params: any) {
+  return call(getFunctionUrl('addbounty'), 'POST', params)
+}

web/pages/[username]/[contractSlug].tsx

@@ -42,6 +42,7 @@ import { listUsers } from 'web/lib/firebase/users'
 import { FeedComment } from 'web/components/feed/feed-comments'
 import { Title } from 'web/components/title'
 import { FeedBet } from 'web/components/feed/feed-bets'
+import { BountyBox } from 'web/components/bounty/bounty-box'
 
 export const getStaticProps = fromPropz(getStaticPropz)
 export async function getStaticPropz(props: {
@@ -116,30 +117,38 @@ export function ContractPageSidebar(props: {
   const isBinary = outcomeType === 'BINARY'
   const isPseudoNumeric = outcomeType === 'PSEUDO_NUMERIC'
   const isNumeric = outcomeType === 'NUMERIC'
+  const isBounty = outcomeType === 'BOUNTY'
   const allowTrade = tradingAllowed(contract)
   const allowResolve = !isResolved && isCreator && !!user
   const hasSidePanel =
-    (isBinary || isNumeric || isPseudoNumeric) && (allowTrade || allowResolve)
+    (isBinary || isNumeric || isPseudoNumeric || isBounty) &&
+    (allowTrade || allowResolve)
+  if (!hasSidePanel) {
+    return null
+  }
 
-  return hasSidePanel ? (
+  return (
     <Col className="gap-4">
       {allowTrade &&
         (isNumeric ? (
           <NumericBetPanel className="hidden xl:flex" contract={contract} />
+        ) : isBounty ? (
+          <BountyBox contract={contract} user={user ?? null} />
         ) : (
           <BetPanel
             className="hidden xl:flex"
             contract={contract as CPMMBinaryContract}
           />
         ))}
+
       {allowResolve &&
         (isNumeric || isPseudoNumeric ? (
           <NumericResolutionPanel creator={user} contract={contract} />
-        ) : (
+        ) : isBinary ? (
           <ResolutionPanel creator={user} contract={contract} />
-        ))}
+        ) : null)}
     </Col>
-  ) : null
+  )
 }
 
 export function ContractPageContent(
@@ -227,7 +236,8 @@ export function ContractPageContent(
         )}
 
         {(outcomeType === 'FREE_RESPONSE' ||
-          outcomeType === 'MULTIPLE_CHOICE') && (
+          outcomeType === 'MULTIPLE_CHOICE' ||
+          outcomeType === 'BOUNTY') && (
           <>
             <Spacer h={4} />
             <AnswersPanel contract={contract} />

web/pages/create.tsx

@@ -56,12 +56,6 @@ export default function Create(props: { auth: { user: User } }) {
   const { user } = props.auth
   const router = useRouter()
   const params = router.query as NewQuestionParams
-  // TODO: Not sure why Question is pulled out as its own component;
-  // Maybe merge into newContract and then we don't need useEffect here.
-  const [question, setQuestion] = useState('')
-  useEffect(() => {
-    setQuestion(params.q ?? '')
-  }, [params.q])
 
   if (!router.isReady) return <div />
 
@@ -76,26 +70,7 @@ export default function Create(props: { auth: { user: User } }) {
         <div className="rounded-lg px-6 py-4 sm:py-0">
           <Title className="!mt-0" text="Create a market" />
 
-          <form>
+          <NewContract params={params} creator={user} />
-            <div className="form-control w-full">
-              <label className="label">
-                <span className="mb-1">
-                  Question<span className={'text-red-700'}>*</span>
-                </span>
-              </label>
-
-              <Textarea
-                placeholder="e.g. Will the Democrats win the 2024 US presidential election?"
-                className="input input-bordered resize-none"
-                autoFocus
-                maxLength={MAX_QUESTION_LENGTH}
-                value={question}
-                onChange={(e) => setQuestion(e.target.value || '')}
-              />
-            </div>
-          </form>
-          <Spacer h={6} />
-          <NewContract question={question} params={params} creator={user} />
         </div>
       </div>
     </Page>
@@ -103,12 +78,9 @@ export default function Create(props: { auth: { user: User } }) {
 }
 
 // Allow user to create a new contract
-export function NewContract(props: {
+function NewContract(props: { creator: User; params?: NewQuestionParams }) {
-  creator: User
+  const { creator, params } = props
-  question: string
+  const [question, setQuestion] = useState('')
-  params?: NewQuestionParams
-}) {
-  const { creator, question, params } = props
   const { groupId, initValue } = params ?? {}
   const [outcomeType, setOutcomeType] = useState<outcomeType>(
     (params?.outcomeType as outcomeType) ?? 'BINARY'
@@ -131,6 +103,24 @@ export function NewContract(props: {
         }
       })
   }, [creator.id, groupId])
+
+  useEffect(() => {
+    setQuestion(params?.q ?? '')
+  }, [params?.q])
+
+  const questionLabel = outcomeType === 'BOUNTY' ? 'Bounty' : 'Question'
+  const placeholders = {
+    BINARY: 'e.g. Will the Democrats win the 2024 US presidential election?',
+    MULTIPLE_CHOICE:
+      'e.g. Which basketball team will be the March Madness champion?',
+    FREE_RESPONSE: 'e.g. What programming language should I learn next?',
+    NUMERIC: '', // Numeric type is deprecated
+    PSEUDO_NUMERIC:
+      'e.g. How many people will show up to Taco Tuesday this week?',
+    BOUNTY: 'e.g. Add Dark Mode to Manifold Markets',
+  }
+  const placeholder = placeholders[outcomeType] ?? placeholders['BINARY']
+
   const [ante, _setAnte] = useState(FIXED_ANTE)
 
   // If params.closeTime is set, extract out the specified date and time
@@ -255,7 +245,7 @@ export function NewContract(props: {
   return (
     <div>
       <label className="label">
-        <span className="mb-1">Answer type</span>
+        <span className="mb-1">Market type</span>
       </label>
       <ChoicesToggleGroup
         currentChoice={outcomeType}
@@ -272,6 +262,7 @@ export function NewContract(props: {
           'Multiple choice': 'MULTIPLE_CHOICE',
           'Free response': 'FREE_RESPONSE',
           Numeric: 'PSEUDO_NUMERIC',
+          Bounty: 'BOUNTY',
         }}
         isSubmitting={isSubmitting}
         className={'col-span-4'}
@@ -284,6 +275,27 @@ export function NewContract(props: {
 
       <Spacer h={6} />
 
+      <form>
+        <div className="form-control w-full">
+          <label className="label">
+            <span className="mb-1">
+              {questionLabel}
+              <span className={'text-red-700'}>*</span>
+            </span>
+          </label>
+
+          <Textarea
+            placeholder={placeholder}
+            className="input input-bordered resize-none"
+            autoFocus
+            maxLength={MAX_QUESTION_LENGTH}
+            value={question}
+            onChange={(e) => setQuestion(e.target.value || '')}
+          />
+        </div>
+      </form>
+      <Spacer h={6} />
+
       {outcomeType === 'MULTIPLE_CHOICE' && (
         <MultipleChoiceAnswers answers={answers} setAnswers={setAnswers} />
       )}
@@ -380,7 +392,7 @@ export function NewContract(props: {
 
       <div className="form-control mb-1 items-start">
         <label className="label mb-1 gap-2">
-          <span>Question closes in</span>
+          <span>{questionLabel} closes in</span>
           <InfoTooltip text="Betting will be halted after this time (local timezone)." />
         </label>
         <Row className={'w-full items-center gap-2'}>
@@ -436,7 +448,7 @@ export function NewContract(props: {
       <Row className="items-end justify-between">
         <div className="form-control mb-1 items-start">
           <label className="label mb-1 gap-2">
-            <span>Cost</span>
+            <span>{outcomeType === 'BOUNTY' ? 'Initial Bounty' : 'Cost'}</span>
             <InfoTooltip
               text={`Cost to create your question. This amount is used to subsidize betting.`}
             />