forked from adshao/go-binance
/
mark_price.go
179 lines (158 loc) · 4.08 KB
/
mark_price.go
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package futures
import (
"context"
"encoding/json"
"github.com/milerius/go-binance/v2/common"
)
// PremiumIndexService get premium index
type PremiumIndexService struct {
c *Client
symbol *string
}
// Symbol set symbol
func (s *PremiumIndexService) Symbol(symbol string) *PremiumIndexService {
s.symbol = &symbol
return s
}
// Do send request
func (s *PremiumIndexService) Do(ctx context.Context, opts ...RequestOption) (res []*PremiumIndex, err error) {
r := &request{
method: "GET",
endpoint: "/fapi/v1/premiumIndex",
secType: secTypeNone,
}
if s.symbol != nil {
r.setParam("symbol", *s.symbol)
}
data, err := s.c.callAPI(ctx, r, opts...)
data = common.ToJSONList(data)
if err != nil {
return []*PremiumIndex{}, err
}
res = make([]*PremiumIndex, 0)
err = json.Unmarshal(data, &res)
if err != nil {
return []*PremiumIndex{}, err
}
return res, nil
}
// PremiumIndex define premium index of mark price
type PremiumIndex struct {
Symbol string `json:"symbol"`
MarkPrice string `json:"markPrice"`
LastFundingRate string `json:"lastFundingRate"`
NextFundingTime int64 `json:"nextFundingTime"`
Time int64 `json:"time"`
}
// FundingRateService get funding rate
type FundingRateService struct {
c *Client
symbol string
startTime *int64
endTime *int64
limit *int
}
// Symbol set symbol
func (s *FundingRateService) Symbol(symbol string) *FundingRateService {
s.symbol = symbol
return s
}
// StartTime set startTime
func (s *FundingRateService) StartTime(startTime int64) *FundingRateService {
s.startTime = &startTime
return s
}
// EndTime set startTime
func (s *FundingRateService) EndTime(endTime int64) *FundingRateService {
s.endTime = &endTime
return s
}
// Limit set limit
func (s *FundingRateService) Limit(limit int) *FundingRateService {
s.limit = &limit
return s
}
// Do send request
func (s *FundingRateService) Do(ctx context.Context, opts ...RequestOption) (res []*FundingRate, err error) {
r := &request{
method: "GET",
endpoint: "/fapi/v1/fundingRate",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
if s.startTime != nil {
r.setParam("startTime", *s.startTime)
}
if s.endTime != nil {
r.setParam("endTime", *s.endTime)
}
if s.limit != nil {
r.setParam("limit", *s.limit)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return []*FundingRate{}, err
}
res = make([]*FundingRate, 0)
err = json.Unmarshal(data, &res)
if err != nil {
return []*FundingRate{}, err
}
return res, nil
}
// FundingRate define funding rate of mark price
type FundingRate struct {
Symbol string `json:"symbol"`
FundingRate string `json:"fundingRate"`
FundingTime int64 `json:"fundingTime"`
Time int64 `json:"time"`
}
// GetLeverageBracketService get funding rate
type GetLeverageBracketService struct {
c *Client
symbol string
}
// Symbol set symbol
func (s *GetLeverageBracketService) Symbol(symbol string) *GetLeverageBracketService {
s.symbol = symbol
return s
}
// Do send request
func (s *GetLeverageBracketService) Do(ctx context.Context, opts ...RequestOption) (res []*LeverageBracket, err error) {
r := &request{
method: "GET",
endpoint: "/fapi/v1/leverageBracket",
secType: secTypeSigned,
}
r.setParam("symbol", s.symbol)
if s.symbol != "" {
r.setParam("symbol", s.symbol)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return []*LeverageBracket{}, err
}
if s.symbol != "" {
data = common.ToJSONList(data)
}
res = make([]*LeverageBracket, 0)
err = json.Unmarshal(data, &res)
if err != nil {
return []*LeverageBracket{}, err
}
return res, nil
}
// LeverageBracket define the leverage bracket
type LeverageBracket struct {
Symbol string `json:"symbol"`
Brackets []Bracket `json:"brackets"`
}
// Bracket define the bracket
type Bracket struct {
Bracket int `json:"bracket"`
InitialLeverage int `json:"initialLeverage"`
NotionalCap float64 `json:"notionalCap"`
NotionalFloor float64 `json:"notionalFloor"`
MaintMarginRatio float64 `json:"maintMarginRatio"`
Cum float64 `json:"cum"`
}