MULTI contracts are not a thing (#381)

common/contract.ts

@@ -2,11 +2,11 @@ import { Answer } from './answer'
 import { Fees } from './fees'
 
 export type AnyMechanism = DPM | CPMM
-export type AnyOutcomeType = Binary | Multi | FreeResponse | Numeric
+export type AnyOutcomeType = Binary | FreeResponse | Numeric
 export type AnyContractType =
   | (CPMM & Binary)
   | (DPM & Binary)
-  | (DPM & (Multi | FreeResponse))
+  | (DPM & FreeResponse)
   | (DPM & Numeric)
 
 export type Contract<T extends AnyContractType = AnyContractType> = {
@@ -74,12 +74,6 @@ export type Binary = {
   resolution?: 'YES' | 'NO' | 'MKT' | 'CANCEL'
 }
 
-export type Multi = {
-  outcomeType: 'MULTI'
-  multiOutcomes: string[] // Used for outcomeType 'MULTI'.
-  resolutions?: { [outcome: string]: number } // Used for MKT resolution.
-}
-
 export type FreeResponse = {
   outcomeType: 'FREE_RESPONSE'
   answers: Answer[] // Used for outcomeType 'FREE_RESPONSE'.
@@ -97,12 +91,7 @@ export type Numeric = {
 }
 
 export type outcomeType = AnyOutcomeType['outcomeType']
-export const OUTCOME_TYPES = [
+export const OUTCOME_TYPES = ['BINARY', 'FREE_RESPONSE', 'NUMERIC'] as const
-  'BINARY',
-  'MULTI',
-  'FREE_RESPONSE',
-  'NUMERIC',
-] as const
 export const MAX_QUESTION_LENGTH = 480
 export const MAX_DESCRIPTION_LENGTH = 10000
 export const MAX_TAG_LENGTH = 60

functions/src/emails.ts

@@ -110,9 +110,7 @@ const toDisplayResolution = (
       getValueFromBucket(resolution, contract).toString()
     )
 
-  const answer = (contract as FreeResponseContract).answers?.find(
+  const answer = contract.answers.find((a) => a.id === resolution)
-    (a) => a.id === resolution
-  )
   if (answer) return answer.text
   return `#${resolution}`
 }

web/components/outcome-label.tsx

@@ -3,7 +3,7 @@ import { ReactNode } from 'react'
 import { Answer } from 'common/answer'
 import { getProbability } from 'common/calculate'
 import { getValueFromBucket } from 'common/calculate-dpm'
-import { BinaryContract, Contract, NumericContract } from 'common/contract'
+import { BinaryContract, Contract, FreeResponseContract } from 'common/contract'
 import { formatPercent } from 'common/util/format'
 import { ClientRender } from './client-render'
 
@@ -21,7 +21,7 @@ export function OutcomeLabel(props: {
   if (contract.outcomeType === 'NUMERIC')
     return (
       <span className="text-blue-500">
-        {value ?? getValueFromBucket(outcome, contract as NumericContract)}
+        {value ?? getValueFromBucket(outcome, contract)}
       </span>
     )
 
@@ -61,7 +61,7 @@ export function BinaryContractOutcomeLabel(props: {
 }
 
 export function FreeResponseOutcomeLabel(props: {
-  contract: Contract
+  contract: FreeResponseContract
   resolution: string | 'CANCEL' | 'MKT'
   truncate: 'short' | 'long' | 'none'
   answerClassName?: string
@@ -71,9 +71,7 @@ export function FreeResponseOutcomeLabel(props: {
   if (resolution === 'CANCEL') return <CancelLabel />
   if (resolution === 'MKT') return <MultiLabel />
 
-  const answers =
+  const chosen = contract.answers.find((answer) => answer.id === resolution)
-    contract.outcomeType === 'FREE_RESPONSE' ? contract.answers : []
-  const chosen = answers.find((answer) => answer.id === resolution)
   if (!chosen) return <AnswerNumberLabel number={resolution} />
   return (
     <FreeResponseAnswerToolTip text={chosen.text}>