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trade.go
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trade.go
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package max
import (
"context"
"net/url"
"strconv"
)
type MarkerInfo struct {
Fee string `json:"fee"`
FeeCurrency string `json:"fee_currency"`
OrderID int `json:"order_id"`
}
type TradeInfo struct {
// Maker tells you the maker trade side
Maker string `json:"maker,omitempty"`
Bid *MarkerInfo `json:"bid,omitempty"`
Ask *MarkerInfo `json:"ask,omitempty"`
}
// Trade represents one returned trade on the max platform.
type Trade struct {
ID uint64 `json:"id" db:"exchange_id"`
Price string `json:"price" db:"price"`
Volume string `json:"volume" db:"volume"`
Funds string `json:"funds"`
Market string `json:"market" db:"market"`
MarketName string `json:"market_name"`
CreatedAt int64 `json:"created_at"`
CreatedAtMilliSeconds int64 `json:"created_at_in_ms"`
Side string `json:"side" db:"side"`
OrderID uint64 `json:"order_id"`
Fee string `json:"fee" db:"fee"` // float number as string
FeeCurrency string `json:"fee_currency" db:"fee_currency"`
Info TradeInfo `json:"info,omitempty"`
}
func (t Trade) IsBuyer() bool {
return t.Side == "bid"
}
func (t Trade) IsMaker() bool {
return t.Info.Maker == t.Side
}
type QueryTradeOptions struct {
Market string `json:"market"`
Timestamp int64 `json:"timestamp,omitempty"`
From int64 `json:"from,omitempty"`
To int64 `json:"to,omitempty"`
OrderBy string `json:"order_by,omitempty"`
Page int `json:"page,omitempty"`
Offset int `json:"offset,omitempty"`
Limit int64 `json:"limit,omitempty"`
}
type TradeService struct {
client *RestClient
}
func (options *QueryTradeOptions) Map() map[string]interface{} {
var data = map[string]interface{}{}
data["market"] = options.Market
if options.Limit > 0 {
data["limit"] = options.Limit
}
if options.Timestamp > 0 {
data["timestamp"] = options.Timestamp
}
if options.From >= 0 {
data["from"] = options.From
}
if options.To > options.From {
data["to"] = options.To
}
if len(options.OrderBy) > 0 {
// could be "asc" or "desc"
data["order_by"] = options.OrderBy
}
return data
}
func (options *QueryTradeOptions) Params() url.Values {
var params = url.Values{}
params.Add("market", options.Market)
if options.Limit > 0 {
params.Add("limit", strconv.FormatInt(options.Limit, 10))
}
if options.Timestamp > 0 {
params.Add("timestamp", strconv.FormatInt(options.Timestamp, 10))
}
if options.From >= 0 {
params.Add("from", strconv.FormatInt(options.From, 10))
}
if options.To > options.From {
params.Add("to", strconv.FormatInt(options.To, 10))
}
if len(options.OrderBy) > 0 {
// could be "asc" or "desc"
params.Add("order_by", options.OrderBy)
}
return params
}
func (s *TradeService) MyTrades(options QueryTradeOptions) ([]Trade, error) {
req, err := s.client.newAuthenticatedRequest("GET", "v2/trades/my", options.Map())
if err != nil {
return nil, err
}
response, err := s.client.sendRequest(req)
if err != nil {
return nil, err
}
var v []Trade
if err := response.DecodeJSON(&v); err != nil {
return nil, err
}
return v, nil
}
func (s *TradeService) NewPrivateTradeRequest() *PrivateTradeRequest {
return &PrivateTradeRequest{client: s.client}
}
type PrivateRequestParams struct {
Nonce int64 `json:"nonce"`
Path string `json:"path"`
}
type PrivateTradeRequestParams struct {
*PrivateRequestParams
Market string `json:"market"`
// Timestamp is the seconds elapsed since Unix epoch, set to return trades executed before the time only
Timestamp int `json:"timestamp,omitempty"`
// From field is a trade id, set ot return trades created after the trade
From int64 `json:"from,omitempty"`
// To field trade id, set to return trades created before the trade
To int64 `json:"to,omitempty"`
OrderBy string `json:"order_by,omitempty"`
// default to false
Pagination bool `json:"pagination"`
Limit int64 `json:"limit,omitempty"`
Offset int64 `json:"offset,omitempty"`
}
type PrivateTradeRequest struct {
client *RestClient
params PrivateTradeRequestParams
}
func (r *PrivateTradeRequest) Market(market string) *PrivateTradeRequest {
r.params.Market = market
return r
}
func (r *PrivateTradeRequest) From(from int64) *PrivateTradeRequest {
r.params.From = from
return r
}
func (r *PrivateTradeRequest) To(to int64) *PrivateTradeRequest {
r.params.To = to
return r
}
func (r *PrivateTradeRequest) Limit(limit int64) *PrivateTradeRequest {
r.params.Limit = limit
return r
}
func (r *PrivateTradeRequest) Offset(offset int64) *PrivateTradeRequest {
r.params.Offset = offset
return r
}
func (r *PrivateTradeRequest) Pagination(p bool) *PrivateTradeRequest {
r.params.Pagination = p
return r
}
func (r *PrivateTradeRequest) OrderBy(orderBy string) *PrivateTradeRequest {
r.params.OrderBy = orderBy
return r
}
func (r *PrivateTradeRequest) Do(ctx context.Context) (trades []Trade, err error) {
req, err := r.client.newAuthenticatedRequest("GET", "v2/trades/my", &r.params)
if err != nil {
return trades, err
}
response, err := r.client.sendRequest(req)
if err != nil {
return trades, err
}
if err := response.DecodeJSON(&trades); err != nil {
return trades, err
}
return trades, err
}
func (s *TradeService) Trades(options QueryTradeOptions) ([]Trade, error) {
var params = options.Params()
req, err := s.client.newRequest("GET", "v2/trades", params, nil)
if err != nil {
return nil, err
}
response, err := s.client.sendRequest(req)
if err != nil {
return nil, err
}
var v []Trade
if err := response.DecodeJSON(&v); err != nil {
return nil, err
}
return v, nil
}