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margins.go
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margins.go
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package kite
import (
"encoding/json"
"net/http"
"net/url"
)
// OrderMarginParam represents an order in the Margin Calculator API
type OrderMarginParam struct {
Exchange string `json:"exchange"`
Tradingsymbol string `json:"tradingsymbol"`
TransactionType string `json:"transaction_type"`
Variety string `json:"variety"`
Product string `json:"product"`
OrderType string `json:"order_type"`
Quantity float64 `json:"quantity"`
Price float64 `json:"price,omitempty"`
TriggerPrice float64 `json:"trigger_price,omitempty"`
}
// PNL represents the PNL
type PNL struct {
Realised float64 `json:"realised"`
Unrealised float64 `json:"unrealised"`
}
// OrderMargins - represents response from the Margin Calculator API.
type OrderMargins struct {
Type string `json:"type"`
TradingSymbol string `json:"tradingsymbol"`
Exchange string `json:"exchange"`
SPAN float64 `json:"span"`
Exposure float64 `json:"exposure"`
OptionPremium float64 `json:"option_premium"`
Additional float64 `json:"additional"`
BO float64 `json:"bo"`
Cash float64 `json:"cash"`
VAR float64 `json:"var"`
PNL PNL `json:"pnl"`
Total float64 `json:"total"`
}
// BasketMargins represents response from the Margin Calculator API for Basket orders
type BasketMargins struct {
Initial OrderMargins `json:"initial"`
Final OrderMargins `json:"final"`
Orders []OrderMargins `json:"orders"`
}
// GetMarginParams -
type GetMarginParams struct {
OrderParams []OrderMarginParam
Compact bool
}
// GetBasketParams -
type GetBasketParams struct {
OrderParams []OrderMarginParam
Compact bool
ConsiderPositions bool
}
// GetOrderMargins -
func (c *Client) GetOrderMargins(marparam GetMarginParams) ([]OrderMargins, error) {
body, err := json.Marshal(marparam.OrderParams)
if err != nil {
return []OrderMargins{}, err
}
var headers http.Header = map[string][]string{}
headers.Add("Content-Type", "application/json")
uri := URIOrderMargins
if marparam.Compact {
uri += "?mode=compact"
}
resp, err := c.doRaw(http.MethodPost, uri, body, headers)
if err != nil {
return []OrderMargins{}, err
}
var out []OrderMargins
if err := readEnvelope(resp, &out); err != nil {
return []OrderMargins{}, err
}
return out, nil
}
// GetOrderMarginsOMS - get margin orders
func (c *Client) GetOrderMarginsOMS(marparam GetMarginParams) ([]OrderMargins, error) {
body, err := json.Marshal(marparam.OrderParams)
if err != nil {
return []OrderMargins{}, err
}
var headers http.Header = map[string][]string{}
headers.Add("Content-Type", "application/json")
uri := URIOrderMarginsOMS
if marparam.Compact {
uri += "?mode=compact"
}
resp, err := c.doRaw(http.MethodPost, uri, body, headers)
if err != nil {
return []OrderMargins{}, err
}
var out []OrderMargins
if err := readEnvelope(resp, &out); err != nil {
return []OrderMargins{}, err
}
return out, nil
}
// GetBasketMargins -
func (c *Client) GetBasketMargins(baskparam GetBasketParams) (BasketMargins, error) {
body, err := json.Marshal(baskparam.OrderParams)
if err != nil {
return BasketMargins{}, err
}
var headers http.Header = map[string][]string{}
headers.Add("Content-Type", "application/json")
uri := URIBasketMargins
v := url.Values{}
if baskparam.Compact {
v.Set("mode", "compact")
}
if baskparam.ConsiderPositions {
v.Set("consider_positions", "true")
}
if qp := v.Encode(); qp != "" {
uri += "?" + qp
}
resp, err := c.doRaw(http.MethodPost, uri, body, headers)
if err != nil {
return BasketMargins{}, err
}
var out BasketMargins
if err := readEnvelope(resp, &out); err != nil {
return BasketMargins{}, err
}
return out, nil
}