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connect.go
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connect.go
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package kiteapi
import (
"fmt"
"net/http"
"net/url"
"time"
)
// PlainResponse is a helper for receiving blank HTTP
// envelop responses without any payloads.
type PlainResponse struct {
Code int `json:"code"`
Message string `json:"string"`
}
// Client represents interface for Kite Connect client.
type Client struct {
apiKey string
accessToken string
debug bool
baseURI string
httpClient HTTPClient
}
const (
name string = "otamia/kiteapi"
version string = "3.0.0"
requestTimeout time.Duration = 7000 * time.Millisecond
baseURI string = "https://api.kite.trade"
loginURI string = "https://kite.trade/connect/login?api_key=%s&v=3"
// Kite connect header version
kiteHeaderVersion string = "3"
)
// Useful public constants
const (
// Varieties
VarietyRegular = "regular"
VarietyAMO = "amo"
VarietyBO = "bo"
VarietyCO = "co"
// Products
ProductBO = "BO"
ProductCO = "CO"
ProductMIS = "MIS"
ProductCNC = "CNC"
ProductNRML = "NRML"
// Order types
OrderTypeMarket = "MARKET"
OrderTypeLimit = "LIMIT"
OrderTypeSL = "SL"
OrderTypeSLM = "SL-M"
// Validities
ValidityDay = "DAY"
ValidityIOC = "IOC"
// Transaction type
TransactionTypeBuy = "BUY"
TransactionTypeSell = "SELL"
// Exchanges
ExchangeNSE = "NSE"
ExchangeBSE = "BSE"
ExchangeMCX = "MCX"
ExchangeNFO = "NFO"
ExchangeBFO = "BFO"
ExchangeCDS = "CDS"
// Margins segments
MarginsEquity = "equity"
MarginsCommodity = "commodity"
// Order status
OrderStatusComplete = "COMPLETE"
OrderStatusRejected = "REJECTED"
OrderStatusCancelled = "CANCELLED"
)
// API endpoints
const (
URIUserSession string = "/session/token"
URIUserSessionInvalidate string = "/session/token"
URIUserSessionRenew string = "/session/refresh_token"
URIUserProfile string = "/user/profile"
URIUserMargins string = "/user/margins"
URIUserMarginsSegment string = "/user/margins/%s" // "/user/margins/{segment}"
URIGetOrders string = "/orders"
URIGetTrades string = "/trades"
URIGetOrderHistory string = "/orders/%s" // "/orders/{order_id}"
URIGetOrderTrades string = "/orders/%s/trades" // "/orders/{order_id}/trades"
URIPlaceOrder string = "/orders/%s" // "/orders/{variety}"
URIModifyOrder string = "/orders/%s/%s" // "/orders/{variety}/{order_id}"
URICancelOrder string = "/orders/%s/%s" // "/orders/{variety}/{order_id}"
URIGetPositions string = "/portfolio/positions"
URIGetHoldings string = "/portfolio/holdings"
URIConvertPosition string = "/portfolio/positions"
// MF endpoints
URIGetMFOrders string = "/mf/orders"
URIGetMFOrderInfo string = "/mf/orders/%s" // "/mf/orders/{order_id}"
URIPlaceMFOrder string = "/mf/orders"
URICancelMFOrder string = "/mf/orders/%s" // "/mf/orders/{order_id}"
URIGetMFSIPs string = "/mf/sips"
URIGetMFSIPInfo string = "/mf/sips/%s" // "/mf/sips/{sip_id}"
URIPlaceMFSIP string = "/mf/sips"
URIModifyMFSIP string = "/mf/sips/%s" // "/mf/sips/{sip_id}"
URICancelMFSIP string = "/mf/sips/%s" // "/mf/sips/{sip_id}"
URIGetMFHoldings string = "/mf/holdings"
// GTT endpoints
URIPlaceGTT string = "/gtt/triggers"
URIGetGTTs string = "/gtt/triggers"
URIGetGTT string = "/gtt/triggers/%d"
URIModifyGTT string = "/gtt/triggers/%d"
URIDeleteGTT string = "/gtt/triggers/%d"
URIGetInstruments string = "/instruments"
URIGetMFInstruments string = "/mf/instruments"
URIGetInstrumentsExchange string = "/instruments/%s" // "/instruments/{exchange}"
URIGetHistorical string = "/instruments/historical/%d/%s" // "/instruments/historical/{instrument_token}/{interval}"
URIGetTriggerRange string = "/instruments/%s/%s/trigger_range" // "/instruments/{exchange}/{tradingsymbol}/trigger_range"
URIGetQuote string = "/quote"
URIGetLTP string = "/quote/ltp"
URIGetOHLC string = "/quote/ohlc"
)
// New creates a new Kite Connect client.
func NewConnect(apiKey string) *Client {
client := &Client{
apiKey: apiKey,
baseURI: baseURI,
}
// Create a default http handler with default timeout.
client.SetHTTPClient(&http.Client{
Timeout: requestTimeout,
})
return client
}
// SetHTTPClient overrides default http handler with a custom one.
// This can be used to set custom timeouts and transport.
func (c *Client) SetHTTPClient(h *http.Client) {
c.httpClient = NewHTTPClient(h, nil, c.debug)
}
// SetDebug sets debug mode to enable HTTP logs.
func (c *Client) SetDebug(debug bool) {
c.debug = debug
c.httpClient.GetClient().debug = debug
}
// SetBaseURI overrides the base Kiteconnect API endpoint with custom url.
func (c *Client) SetBaseURI(baseURI string) {
c.baseURI = baseURI
}
// SetTimeout sets request timeout for default http client.
func (c *Client) SetTimeout(timeout time.Duration) {
hClient := c.httpClient.GetClient().client
hClient.Timeout = timeout
}
// SetAccessToken sets the access token to the Kite Connect instance.
func (c *Client) SetAccessToken(accessToken string) {
c.accessToken = accessToken
}
// GetLoginURL gets Kite Connect login endpoint.
func (c *Client) GetLoginURL() string {
return fmt.Sprintf(loginURI, c.apiKey)
}
func (c *Client) doEnvelope(method, uri string, params url.Values, headers http.Header, v interface{}) error {
if params == nil {
params = url.Values{}
}
// Send custom headers set
if headers == nil {
headers = map[string][]string{}
}
// Add Kite Connect version to header
headers.Add("X-Kite-Version", kiteHeaderVersion)
headers.Add("User-Agent", name+"/"+version)
if c.apiKey != "" && c.accessToken != "" {
authHeader := fmt.Sprintf("token %s:%s", c.apiKey, c.accessToken)
headers.Add("Authorization", authHeader)
}
return c.httpClient.DoEnvelope(method, c.baseURI+uri, params, headers, v)
}
func (c *Client) do(method, uri string, params url.Values, headers http.Header) (HTTPResponse, error) {
if params == nil {
params = url.Values{}
}
if headers == nil {
headers = map[string][]string{}
}
headers.Add("X-Kite-Version", kiteHeaderVersion)
headers.Add("User-Agent", name+"/"+version)
if c.apiKey != "" && c.accessToken != "" {
authHeader := fmt.Sprintf("token %s:%s", c.apiKey, c.accessToken)
headers.Add("Authorization", authHeader)
}
return c.httpClient.Do(method, c.baseURI+uri, params, headers)
}