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market.go
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market.go
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package mango
import (
"fmt"
"reflect"
)
// OutcomeType represents the different types of markets
// available on Manifold.
type OutcomeType string
const (
Binary OutcomeType = "BINARY"
FreeResponse OutcomeType = "FREE_RESPONSE"
MultipleChoice OutcomeType = "MULTIPLE_CHOICE"
Numeric OutcomeType = "NUMERIC"
PseudoNumeric OutcomeType = "PSEUDO-NUMERIC"
)
// Pool represents the potential outcomes for a market.
type Pool struct {
No float64 `json:"NO,omitempty"`
Yes float64 `json:"YES,omitempty"`
Option0 float64 `json:"0,omitempty"`
Option1 float64 `json:"1,omitempty"`
Option2 float64 `json:"2,omitempty"`
Option3 float64 `json:"3,omitempty"`
Option4 float64 `json:"4,omitempty"`
Option5 float64 `json:"5,omitempty"`
Option6 float64 `json:"6,omitempty"`
Option7 float64 `json:"7,omitempty"`
Option8 float64 `json:"8,omitempty"`
Option9 float64 `json:"9,omitempty"`
Option10 float64 `json:"10,omitempty"`
Option11 float64 `json:"11,omitempty"`
Option12 float64 `json:"12,omitempty"`
Option13 float64 `json:"13,omitempty"`
Option14 float64 `json:"14,omitempty"`
Option15 float64 `json:"15,omitempty"`
Option16 float64 `json:"16,omitempty"`
Option17 float64 `json:"17,omitempty"`
Option18 float64 `json:"18,omitempty"`
Option19 float64 `json:"19,omitempty"`
}
// Answer represents a potential answer on a free response market
type Answer struct {
Id string `json:"id"`
Username string `json:"username"`
Name string `json:"name"`
UserId string `json:"userId"`
CreatedTime int64 `json:"createdTime"`
AvatarUrl string `json:"avatarUrl"`
Number int64 `json:"number"`
ContractId string `json:"contractId"`
Text string `json:"text"`
Probability float64 `json:"probability"`
}
// GetMarketsRequest represents the optional parameters that can be supplied to
// get markets via the API
type GetMarketsRequest struct {
Before string `json:"before,omitempty"`
Limit int64 `json:"limit,omitempty"`
}
// PostMarketRequest represents the parameters required to create a new market via the API
type PostMarketRequest struct {
OutcomeType OutcomeType `json:"outcomeType"`
Question string `json:"question"`
Description string `json:"description,omitempty"`
DescriptionHtml string `json:"descriptionHtml,omitempty"`
DescriptionMarkdown string `json:"descriptionMarkdown,omitempty"`
CloseTime int64 `json:"closeTime,omitempty"`
Visibility string `json:"visibility,omitempty"`
GroupId string `json:"groupId,omitempty"`
InitialProb int64 `json:"initialProb,omitempty"`
Min int64 `json:"min,omitempty"`
Max int64 `json:"max,omitempty"`
IsLogScale bool `json:"isLogScale,omitempty"`
InitialVal int64 `json:"initialValue,omitempty"`
Answers []string `json:"answers,omitempty"`
}
// ResolveMarketRequest represents the parameters required to resolve a market via the API
type ResolveMarketRequest struct {
Outcome string `json:"outcome"`
Resolutions []Resolution `json:"resolutions,omitempty"`
ProbabilityInt int64 `json:"probabilityInt,omitempty"`
Value float64 `json:"value,omitempty"`
}
// Resolution represents the percentage a given answer should resolve to
// on a market
type Resolution struct {
Answer int64 `json:"answer"`
Pct int64 `json:"pct"`
}
// SellSharesRequest represents a request to sell shares
type SellSharesRequest struct {
Outcome string `json:"outcome,omitempty"`
Shares int64 `json:"shares,omitempty"`
}
type marketIdResponse struct {
Id string `json:"id"`
}
type Market interface {
LiteMarket | FullMarket
}
// LiteMarket represents a LiteMarket object in the Manifold backend.
// A LiteMarket is similar to a [FullMarket], except it has fewer fields.
//
// See [the Manifold API docs for GET /v0/markets] for more details
//
// [the Manifold API docs for GET /v0/markets]: https://docs.manifold.markets/api#get-v0markets
type LiteMarket struct {
Id string `json:"id"`
CreatorId string `json:"creatorId"`
CreatorUsername string `json:"creatorUsername"`
CreatorName string `json:"creatorName"`
CreatedTime int64 `json:"createdTime"`
CreatorAvatarUrl string `json:"creatorAvatarUrl"`
CloseTime int64 `json:"closeTime"`
Question string `json:"question"`
Tags []interface{} `json:"tags"`
Url string `json:"url"`
Pool Pool `json:"pool,omitempty"`
Probability float64 `json:"probability,omitempty"`
P float64 `json:"p,omitempty"`
TotalLiquidity float64 `json:"totalLiquidity,omitempty"`
OutcomeType OutcomeType `json:"OutcomeType"`
Mechanism string `json:"mechanism"`
Volume float64 `json:"volume"`
Volume24Hours float64 `json:"volume24Hours"`
IsResolved bool `json:"isResolved"`
LastUpdatedTime int64 `json:"lastUpdatedTime,omitempty"`
Min float64 `json:"min,omitempty"`
Max float64 `json:"max,omitempty"`
IsLogScale bool `json:"isLogScale,omitempty"`
Resolution string `json:"resolution,omitempty"`
ResolutionTime int64 `json:"resolutionTime,omitempty"`
ResolutionProbability float64 `json:"resolutionProbability,omitempty"`
}
// FullMarket represents a FullMarket object in the Manifold backend.
// A FullMarket is similar to a [LiteMarket], except it has more fields.
//
// See [the Manifold API docs for GET /v0/market/[marketId]] for more details
//
// [the Manifold API docs for GET /v0/market/[marketId]]: https://docs.manifold.markets/api#get-v0marketmarketid
type FullMarket struct {
Id string `json:"id"`
CreatorId string `json:"creatorId"`
CreatorUsername string `json:"creatorUsername"`
CreatorName string `json:"creatorName"`
CreatedTime int64 `json:"createdTime"`
CreatorAvatarUrl string `json:"creatorAvatarUrl"`
CloseTime int64 `json:"closeTime"`
Question string `json:"question"`
Answers []Answer `json:"answers,omitempty"`
Tags []string `json:"tags"`
Url string `json:"url"`
Pool Pool `json:"pool"`
Probability float64 `json:"probability"`
P float64 `json:"p"`
TotalLiquidity float64 `json:"totalLiquidity"`
OutcomeType OutcomeType `json:"OutcomeType"`
Mechanism string `json:"mechanism"`
Volume float64 `json:"volume"`
Volume24Hours float64 `json:"volume24Hours"`
IsResolved bool `json:"isResolved"`
Resolution string `json:"resolution"`
ResolutionTime int64 `json:"resolutionTime"`
ResolutionProbability float64 `json:"resolutionProbability"`
LastUpdatedTime int64 `json:"lastUpdatedTime"`
// Description field returns HTML marshalled to JSON, see https://tiptap.dev/guide/output#option-1-json
// Description string `json:"description"` TODO: work out how to parse this field
TextDescription string `json:"textDescription"`
}
func equalFullMarkets(m1, m2 FullMarket) (bool, string) {
if m1.Id != m2.Id {
return false, fmt.Sprintf("Id fields are not equal: got %v expected %v", m1.Id, m2.Id)
}
if m1.CreatorId != m2.CreatorId {
return false, fmt.Sprintf("CreatorId fields are not equal: got %v expected %v", m1.CreatorId, m2.CreatorId)
}
if m1.CreatorUsername != m2.CreatorUsername {
return false, fmt.Sprintf("CreatorUsername fields are not equal: got %v expected %v", m1.CreatorUsername, m2.CreatorUsername)
}
if m1.CreatorName != m2.CreatorName {
return false, fmt.Sprintf("CreatorName fields are not equal: got %v expected %v", m1.CreatorName, m2.CreatorName)
}
if m1.CreatedTime != m2.CreatedTime {
return false, fmt.Sprintf("CreatedTime fields are not equal: got %v expected %v", m1.CreatedTime, m2.CreatedTime)
}
if m1.CreatorAvatarUrl != m2.CreatorAvatarUrl {
return false, fmt.Sprintf("CreatorAvatarUrl fields are not equal: got %v expected %v", m1.CreatorAvatarUrl, m2.CreatorAvatarUrl)
}
if m1.CloseTime != m2.CloseTime {
return false, fmt.Sprintf("CloseTime fields are not equal: got %v expected %v", m1.CloseTime, m2.CloseTime)
}
if m1.Question != m2.Question {
return false, fmt.Sprintf("Question fields are not equal: got %v expected %v", m1.Question, m2.Question)
}
if !reflect.DeepEqual(m1.Tags, m2.Tags) {
return false, fmt.Sprintf("Tags fields are not equal: got %v expected %v", m1.Tags, m2.Tags)
}
if m1.Url != m2.Url {
return false, fmt.Sprintf("Url fields are not equal: got %v expected %v", m1.Url, m2.Url)
}
if !reflect.DeepEqual(m1.Pool, m2.Pool) {
return false, fmt.Sprintf("Pool fields are not equal: got %v expected %v", m1.Pool, m2.Pool)
}
return true, ""
}