forked from bitontop/gored
/
public.go
179 lines (153 loc) · 4.8 KB
/
public.go
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package bitz
// Contributor 2015-2020 Bitontop Technologies Inc.
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
import (
"encoding/json"
"fmt"
"log"
"strconv"
"time"
exchange "github.com/chz8494/gored/exchange"
utils "github.com/chz8494/gored/utils"
)
/*************** PUBLIC API ***************/
func (e *Bitz) LoadPublicData(operation *exchange.PublicOperation) error {
switch operation.Type {
case exchange.TradeHistory:
return e.doTradeHistory(operation)
case exchange.Orderbook:
if operation.Wallet == exchange.SpotWallet {
return e.doSpotOrderBook(operation)
}
}
return fmt.Errorf("LoadPublicData :: Operation type invalid: %+v", operation.Type)
}
func (e *Bitz) doSpotOrderBook(op *exchange.PublicOperation) error {
jsonResponse := &JsonResponse{}
orderBook := OrderBook{}
symbol := e.GetSymbolByPair(op.Pair)
mapParams := make(map[string]string)
mapParams["symbol"] = symbol
maker := &exchange.Maker{
WorkerIP: utils.GetExternalIP(),
Source: exchange.EXCHANGE_API,
BeforeTimestamp: float64(time.Now().UnixNano() / 1e6),
}
/******
// strRequestUrl := fmt.Sprintf("/public/orderbook/%s", e.GetIDByPair(pair))
// strUrl := API3_URL + strRequestUrl
// jsonOrderbook := exchange.HttpGetRequest(strUrl, nil)
********/
//!------
get := &utils.HttpGet{
URI: fmt.Sprintf("%s/Market/depth?%s", API_URL, utils.Map2UrlQuery(mapParams)),
Proxy: op.Proxy,
DebugMode: op.DebugMode,
}
if err := utils.HttpGetRequest(get); err != nil {
op.Error = err
return op.Error
}
jsonOrderbook := get.ResponseBody
//! ###
if err := json.Unmarshal([]byte(jsonOrderbook), &jsonResponse); err != nil {
return fmt.Errorf("%s Get Orderbook Json Unmarshal Err: %s %s", e.GetName(), err, jsonOrderbook)
} else if jsonResponse.Status != 200 {
return fmt.Errorf("%s Get Orderbook Failed: %s", e.GetName(), jsonOrderbook)
}
if err := json.Unmarshal(jsonResponse.Data, &orderBook); err != nil {
return fmt.Errorf("%s Get Orderbook Result Unmarshal Err: %s %s", e.GetName(), err, jsonResponse.Data)
}
maker.AfterTimestamp = float64(time.Now().UnixNano() / 1e6)
var err error
for _, bid := range orderBook.Bids {
var buydata exchange.Order
//Modify according to type and structure
buydata.Rate, err = strconv.ParseFloat(bid[0], 64)
if err != nil {
return err
}
buydata.Quantity, err = strconv.ParseFloat(bid[1], 64)
if err != nil {
return err
}
maker.Bids = append(maker.Bids, buydata)
}
for i := len(orderBook.Asks) - 1; i >= 0; i-- {
var selldata exchange.Order
//Modify according to type and structure
selldata.Rate, err = strconv.ParseFloat(orderBook.Asks[i][0], 64)
if err != nil {
return err
}
selldata.Quantity, err = strconv.ParseFloat(orderBook.Asks[i][1], 64)
if err != nil {
return err
}
maker.Asks = append(maker.Asks, selldata)
}
op.Maker = maker
return nil
}
// timestamp only 10 digit precision
func (e *Bitz) doTradeHistory(operation *exchange.PublicOperation) error {
symbol := e.GetSymbolByPair(operation.Pair)
strRequestUrl := fmt.Sprintf("/Market/order?symbol=%v", symbol)
strUrl := API_URL + strRequestUrl
get := &utils.HttpGet{
URI: strUrl,
Proxy: operation.Proxy,
}
err := utils.HttpGetRequest(get)
if err != nil {
log.Printf("%+v", err)
operation.Error = err
return err
} else {
// log.Printf("%+v ERR:%+v", string(get.ResponseBody), err) // ======================
if operation.DebugMode {
operation.RequestURI = get.URI
operation.CallResponce = string(get.ResponseBody)
}
tradeHistory := TradeHistory{} //TradeHistory{}
if err := json.Unmarshal(get.ResponseBody, &tradeHistory); err != nil {
operation.Error = err
return err
} else if tradeHistory.Status != 200 {
operation.Error = err
return err
// log.Printf("%+v ", tradeHistory)
}
operation.TradeHistory = []*exchange.TradeDetail{}
// for _, trade := range tradeHistory.Data {
for i := len(tradeHistory.Data) - 1; i > 0; i-- {
trade := tradeHistory.Data[i]
price, err := strconv.ParseFloat(trade.P, 64)
if err != nil {
log.Printf("%s price parse Err: %v %v", e.GetName(), err, trade.P)
operation.Error = err
return err
}
amount, err := strconv.ParseFloat(trade.N, 64)
if err != nil {
log.Printf("%s amount parse Err: %v %v", e.GetName(), err, trade.N)
operation.Error = err
return err
}
td := &exchange.TradeDetail{
ID: fmt.Sprintf("%v", trade.ID),
Quantity: amount,
TimeStamp: trade.T * 1000, //trade.TimeStamp.UnixNano() / 1e6,
Rate: price,
}
if trade.S == "buy" {
td.Direction = exchange.Buy
} else if trade.S == "sell" {
td.Direction = exchange.Sell
}
operation.TradeHistory = append(operation.TradeHistory, td)
}
}
return nil
}