Linter fixes (#246)

Linter fixes

communications/slack/slack_test.go

@@ -96,7 +96,7 @@ func TestGetChannelsString(t *testing.T) {
 			testpassed = true
 		}
 	}
-	if testpassed == false {
+	if !testpassed {
 		t.Error("test failed - slack GetChannelsString() error")
 	}
 }

communications/smsglobal/smsglobal.go

@@ -4,6 +4,7 @@ package smsglobal
 import (
 	"errors"
 	"flag"
+	"net/http"
 	"net/url"
 	"strings"
 
@@ -164,7 +165,7 @@ func (s *SMSGlobal) SendMessage(to, message string) error {
 	headers := make(map[string]string)
 	headers["Content-Type"] = "application/x-www-form-urlencoded"
 
-	resp, err := common.SendHTTPRequest("POST",
+	resp, err := common.SendHTTPRequest(http.MethodPost,
 		smsGlobalAPIURL,
 		headers,
 		strings.NewReader(values.Encode()))

communications/telegram/telegram.go

@@ -7,6 +7,7 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"net/http"
 
 	"github.com/thrasher-/gocryptotrader/common"
 	"github.com/thrasher-/gocryptotrader/communications/base"
@@ -221,7 +222,7 @@ func (t *Telegram) SendHTTPRequest(path string, json []byte, result interface{})
 	headers := make(map[string]string)
 	headers["content-type"] = "application/json"
 
-	resp, err := common.SendHTTPRequest("POST", path, headers, bytes.NewBuffer(json))
+	resp, err := common.SendHTTPRequest(http.MethodPost, path, headers, bytes.NewBuffer(json))
 	if err != nil {
 		return err
 	}

communications/telegram/telegram_test.go

@@ -13,8 +13,8 @@ func TestSetup(t *testing.T) {
 	cfg := config.GetConfig()
 	cfg.LoadConfig("../../testdata/configtest.json")
 	T.Setup(cfg.GetCommunicationsConfig())
-	if T.Name != "Telegram" || T.Enabled != false ||
-		T.Token != "testest" || T.Verbose != false {
+	if T.Name != "Telegram" || T.Enabled ||
+		T.Token != "testest" || T.Verbose {
 		t.Error("test failed - telegram Setup() error, unexpected setup values",
 			T.Name, T.Enabled, T.Token, T.Verbose)
 	}