cmd/wrapper_coverage: prevent non-needed REST requests via context timeout (#1154)

* wrapper_coverage/exchanges: cancel context to not send rest requests/ populate context through functions that do rest requests

* linter: fix

* exchange_template: fix test

---------

Co-authored-by: Ryan O'Hara-Reid <ryan.oharareid@thrasher.io>

cmd/config_builder/builder.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"encoding/json"
 	"log"
 	"sync"
@@ -34,7 +35,7 @@ func main() {
 	cfgs := make([]config.Exchange, 0, len(exchanges))
 	for x := range exchanges {
 		var cfg *config.Exchange
-		cfg, err = exchanges[x].GetDefaultConfig()
+		cfg, err = exchanges[x].GetDefaultConfig(context.Background())
 		if err != nil {
 			log.Printf("Failed to get exchanges default config. Err: %s", err)
 			continue