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Refactored common HMAC function.

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This commit is contained in:
Adrian Gallagher
2015-03-14 19:52:27 +11:00
parent ba4cda2491
commit 98c9fb6c37
9 changed files with 34 additions and 17 deletions
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3
bitfinexhttp.go
View File

@@ -4,7 +4,6 @@ import (
"fmt"
"log"
"encoding/json"
"crypto/sha512"
"errors"
"strings"
"strconv"
@@ -257,7 +256,7 @@ func (b *Bitfinex) SendAuthenticatedHTTPRequest(method, path string, params map[
}
PayloadBase64 := Base64Encode(PayloadJson)
hmac := GetHMAC(sha512.New384, []byte(PayloadBase64), []byte(b.APISecret))
hmac := GetHMAC(HASH_SHA512_384, []byte(PayloadBase64), []byte(b.APISecret))
headers := make(map[string]string)
headers["X-BFX-APIKEY"] = b.APIKey
headers["X-BFX-PAYLOAD"] = PayloadBase64

3
bitstamphttp.go
View File

@@ -4,7 +4,6 @@ import (
"net/url"
"log"
"encoding/json"
"crypto/sha256"
"strings"
"strconv"
"errors"
@@ -268,7 +267,7 @@ func (b *Bitstamp) SendAuthenticatedHTTPRequest(path string, values url.Values,
nonce := strconv.FormatInt(time.Now().UnixNano(), 10)
values.Set("key", b.APIKey)
values.Set("nonce", nonce)
hmac := GetHMAC(sha256.New, []byte(nonce + b.ClientID + b.APIKey), []byte(b.APISecret))
hmac := GetHMAC(HASH_SHA256, []byte(nonce + b.ClientID + b.APIKey), []byte(b.APISecret))
values.Set("signature", strings.ToUpper(HexEncodeToString(hmac)))
path = BITSTAMP_API_URL + path

3
btcchinahttp.go
View File

@@ -3,7 +3,6 @@ package main
import (
"net/url"
"strconv"
"crypto/sha1"
"encoding/json"
"errors"
"strings"
@@ -676,7 +675,7 @@ func (b *BTCChina) SendAuthenticatedHTTPRequest(method string, params []interfac
log.Println(encoded)
}
hmac := GetHMAC(sha1.New, []byte(encoded), []byte(b.APISecret))
hmac := GetHMAC(HASH_SHA1, []byte(encoded), []byte(b.APISecret))
postData := make(map[string]interface{})
postData["method"] = method
postData["params"] = params

3
btcehttp.go
View File

@@ -3,7 +3,6 @@ package main
import (
"net/url"
"strconv"
"crypto/sha512"
"strings"
"time"
"fmt"
@@ -234,7 +233,7 @@ func (b *BTCE) SendAuthenticatedHTTPRequest(method string, values url.Values) (e
values.Set("method", method)
encoded := values.Encode()
hmac := GetHMAC(sha512.New, []byte(encoded), []byte(b.APISecret))
hmac := GetHMAC(HASH_SHA512, []byte(encoded), []byte(b.APISecret))
if b.Verbose {
log.Printf("Sending POST request to %s calling method %s with params %s\n", BTCE_API_PRIVATE_URL, method, encoded)

3
btcmarkets.go
View File

@@ -2,7 +2,6 @@ package main
import (
"strconv"
"crypto/sha512"
"strings"
"time"
"log"
@@ -101,7 +100,7 @@ func (b *BTCMarkets) SendAuthenticatedRequest(reqType, path, data string) (error
request = path + "\n" + nonce + "\n"
}
hmac := GetHMAC(sha512.New, []byte(request), []byte(b.APISecret))
hmac := GetHMAC(HASH_SHA512, []byte(request), []byte(b.APISecret))
if b.Verbose {
log.Printf("Sending %s request to %s path %s with params %s\n", reqType, BTCMARKETS_API_URL + path, path, request)

27
common.go
View File

@@ -5,6 +5,7 @@ import (
"hash"
"crypto/md5"
"crypto/hmac"
"crypto/sha1"
"crypto/sha512"
"crypto/sha256"
"encoding/base64"
@@ -18,6 +19,13 @@ import (
"log"
)
const (
HASH_SHA1 = iota
HASH_SHA256
HASH_SHA512
HASH_SHA512_384
)
func GetMD5(input []byte) ([]byte) {
hash := md5.New()
hash.Write(input)
@@ -36,7 +44,24 @@ func GetSHA256(input []byte) ([]byte) {
return sha.Sum(nil)
}
func GetHMAC(hash func() hash.Hash, input, key []byte) ([]byte) {
func GetHMAC(hashType int, input, key []byte) ([]byte) {
var hash func() hash.Hash
switch hashType {
case HASH_SHA1: {
hash = sha1.New
}
case HASH_SHA256: {
hash = sha256.New
}
case HASH_SHA512: {
hash = sha512.New
}
case HASH_SHA512_384: {
hash = sha512.New384
}
}
hmac := hmac.New(hash, []byte(key))
hmac.Write(input)
return hmac.Sum(nil)

3
itbithttp.go
View File

@@ -3,7 +3,6 @@ package main
import (
"net/http"
"strconv"
"crypto/sha512"
"errors"
"strings"
"time"
@@ -268,7 +267,7 @@ func (i *ItBit) SendAuthenticatedHTTPRequest(method string, path string, params
log.Printf("Request JSON: %s\n", PayloadJson)
}
hmac := GetHMAC(sha512.New, []byte(nonce + string(PayloadJson)), []byte(i.APISecret))
hmac := GetHMAC(HASH_SHA512, []byte(nonce + string(PayloadJson)), []byte(i.APISecret))
signature := Base64Encode([]byte(HexEncodeToString(hmac)))
headers := make(map[string]string)

3
kraken.go
View File

@@ -5,7 +5,6 @@ import (
"fmt"
"strconv"
"encoding/json"
"crypto/sha512"
"errors"
"time"
"strings"
@@ -503,7 +502,7 @@ func (k *Kraken) SendAuthenticatedHTTPRequest(method string, values url.Values)
}
shasum := GetSHA256([]byte(values.Get("nonce") + values.Encode()))
signature := Base64Encode(GetHMAC(sha512.New, append([]byte(path), shasum...), secret))
signature := Base64Encode(GetHMAC(HASH_SHA512, append([]byte(path), shasum...), secret))
if k.Verbose {
log.Printf("Sending POST request to %s, path: %s.", KRAKEN_API_URL, path)

3
lakebtchttp.go
View File

@@ -3,7 +3,6 @@ package main
import (
"net/url"
"strconv"
"crypto/sha256"
"errors"
"strings"
"time"
@@ -174,7 +173,7 @@ func (l *LakeBTC) SendAuthenticatedHTTPRequest(method, params string) (err error
v.Set("params", params)
encoded := v.Encode()
hmac := GetHMAC(sha256.New, []byte(encoded), []byte(l.APISecret))
hmac := GetHMAC(HASH_SHA256, []byte(encoded), []byte(l.APISecret))
if l.Verbose {
log.Printf("Sending POST request to %s calling method %s with params %s\n", LAKEBTC_API_URL, method, encoded)