forked from sangx2/upbit
/
upbit.go
152 lines (130 loc) · 3.63 KB
/
upbit.go
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package upbit
import (
"crypto/sha512"
"encoding/hex"
"fmt"
"github.com/sangx2/upbit/model"
"hash"
"net/http"
"net/url"
"strings"
jwt "github.com/dgrijalva/jwt-go"
"github.com/google/uuid"
)
const (
BaseURI = "https://api.upbit.com/v1"
)
// Upbit :
type Upbit struct {
accessKey string
secretKey string
queryHash hash.Hash
defaultClient *http.Client // Group:default Min:900 Sec:30
orderClient *http.Client // Group:order Min:200 Sec:8
statusWalletClient *http.Client // Group:status-wallet Min:30 Sec:1
marketClient *http.Client // Group:market Min:600 Sec:10
candlesClient *http.Client // Group:candles Min:600 Sec:10
crixTradesClient *http.Client // Group:crix-trades Min:600 Sec:10
tickerClient *http.Client // Group:ticker Min:600 Sec:10
orderbookClient *http.Client // Group:orderbook Min:600 Sec:10
}
// NewUpbit :
func NewUpbit(accessKey, secretKey string) *Upbit {
return &Upbit{
accessKey: accessKey, secretKey: secretKey,
queryHash: sha512.New(),
defaultClient: &http.Client{},
orderClient: &http.Client{},
statusWalletClient: &http.Client{},
marketClient: &http.Client{},
candlesClient: &http.Client{},
crixTradesClient: &http.Client{},
tickerClient: &http.Client{},
orderbookClient: &http.Client{},
}
}
func (u *Upbit) createRequest(method, url string, values url.Values, section string) (*http.Request, error) {
var request *http.Request
switch method {
case http.MethodGet, http.MethodDelete:
req, e := http.NewRequest(method, url+"?"+values.Encode(), nil)
if e != nil {
return nil, e
}
request = req
case http.MethodPost:
req, e := http.NewRequest(method, url, strings.NewReader(values.Encode()))
if e != nil {
return nil, e
}
request = req
request.Header.Set("Content-Type", "application/json")
default:
return nil, fmt.Errorf("invalid request method")
}
claim := jwt.MapClaims{
"access_key": u.accessKey,
"nonce": uuid.New().String(),
}
switch section {
case ApiSectionExchange:
if len(values) != 0 {
u.queryHash.Reset()
u.queryHash.Write([]byte(values.Encode()))
claim["query_hash"] = hex.EncodeToString(u.queryHash.Sum(nil))
claim["query_hash_alg"] = "SHA512"
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claim)
signedToken, e := token.SignedString([]byte(u.secretKey[:]))
if e != nil {
return nil, nil
}
request.Header.Add("Authorization", "Bearer "+signedToken)
case ApiSectionQuotation:
default:
return nil, fmt.Errorf("invalid api section")
}
return request, nil
}
func (u *Upbit) do(request *http.Request, apiGroup string) (*http.Response, error) {
var client *http.Client
switch apiGroup {
// Exchange
case ApiGroupDefault:
client = u.defaultClient
case ApiGroupOrder:
client = u.orderClient
case ApiGroupStatusWallet:
client = u.statusWalletClient
// Quotation
case ApiGroupMarket:
client = u.marketClient
case ApiGroupCandles:
client = u.candlesClient
case ApiGroupCrixTrades:
client = u.crixTradesClient
case ApiGroupTicker:
client = u.tickerClient
case ApiGroupOrderbook:
client = u.orderbookClient
default:
return nil, fmt.Errorf("invalid api group")
}
response, e := client.Do(request)
if e != nil {
return nil, e
}
switch response.StatusCode {
case 200: // ok
case 201: // created
case 429:
return nil, fmt.Errorf("%s", response.Status)
default:
respErr := model.ResponseErrorFromJSON(response.Body)
if respErr == nil {
return nil, fmt.Errorf("[%s] ResponseErrorFromJSON is nil", response.Status)
}
return nil, fmt.Errorf("[%s] %s:%s", response.Status, respErr.Detail.Name, respErr.Detail.Message)
}
return response, nil
}