Numeric contract type

common/contract.ts

@@ -1,9 +1,10 @@
+import _ from 'lodash'
 import { Answer } from './answer'
 import { Fees } from './fees'
 
 export type FullContract<
   M extends DPM | CPMM,
-  T extends Binary | Multi | FreeResponse
+  T extends Binary | Multi | FreeResponse | Numeric
 > = {
   id: string
   slug: string // auto-generated; must be unique
@@ -42,6 +43,7 @@ export type FullContract<
 export type Contract = FullContract<DPM | CPMM, Binary | Multi | FreeResponse>
 export type BinaryContract = FullContract<DPM | CPMM, Binary>
 export type FreeResponseContract = FullContract<DPM | CPMM, FreeResponse>
+export type NumericContract = FullContract<DPM, Numeric>
 
 export type DPM = {
   mechanism: 'dpm-2'
@@ -81,7 +83,16 @@ export type FreeResponse = {
   resolutions?: { [outcome: string]: number } // Used for MKT resolution.
 }
 
-export type outcomeType = 'BINARY' | 'MULTI' | 'FREE_RESPONSE'
+export type Numeric = {
+  outcomeType: 'NUMERIC'
+  bucketCount: number
+  min: number
+  max: number
+}
+
+export type outcomeType = 'BINARY' | 'MULTI' | 'FREE_RESPONSE' | 'NUMERIC'
+
+export const numericOutcomes = _.range(0, 1000)
 
 export const MAX_QUESTION_LENGTH = 480
 export const MAX_DESCRIPTION_LENGTH = 10000