diff --git a/lagoinha copy.txt b/lagoinha copy.txt
deleted file mode 100644
index c91bf9b..0000000
--- a/lagoinha copy.txt	
+++ /dev/null
@@ -1,155 +0,0 @@
-package lagoinha
-
-import (
-	"context"
-	"time"
-
-	"github.com/igorhalfeld/lagoinha/internal/entity"
-	"github.com/igorhalfeld/lagoinha/internal/service"
-	"github.com/igorhalfeld/lagoinha/internal/service/apicep"
-	"github.com/igorhalfeld/lagoinha/internal/service/brasilapi"
-	"github.com/igorhalfeld/lagoinha/internal/service/viacep"
-	"github.com/igorhalfeld/lagoinha/internal/service/widenet"
-	"github.com/igorhalfeld/lagoinha/pkg/errors"
-)
-
-var providers = map[string]service.Provider{
-	"BrasilAPI": brasilapi.New(),
-	"ViaCEP":    viacep.New(),
-	"Apicep":    apicep.New(),
-	"WidNet":    widenet.New(),
-}
-
-// GetTotalAmountOfCepProviders returns amount of current enabled cep provivers
-func GetTotalAmountOfCepProviders() int {
-	return len(providers)
-}
-
-func getAddress(cepRaw string, opts *GetAddressOptions, chResponse chan *entity.Cep, chError chan error) {
-	// var wg sync.WaitGroup
-
-	cep := entity.Cep{
-		Cep: cepRaw,
-	}
-
-	if !cep.IsValid() {
-		chError <- errors.CepNotValidError
-		return
-	}
-
-	// TODO: enhance this way of handling options
-	if opts != nil {
-		if opts.PreferenceForAPI != "" {
-			chResponseInternal := make(chan *entity.Cep, GetTotalAmountOfCepProviders())
-			chErrorInternal := make(chan error)
-
-			provider, ok := providers[opts.PreferenceForAPI]
-			if !ok {
-				chError <- errors.PreferenceProviderNotFound
-				return
-			}
-
-			ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond)
-			defer cancel()
-
-			// wg.Add(1)
-			go func() {
-				// defer wg.Done()
-				c, err := provider.Request(cep.Cep)
-				if err != nil {
-					chErrorInternal <- err
-					return
-				}
-
-				chResponseInternal <- c
-			}()
-
-			select {
-			case address := <-chResponseInternal:
-				chResponse <- address
-			case err := <-chErrorInternal:
-				chError <- err
-			case <-ctx.Done():
-				cancel()
-			}
-		}
-	}
-
-	// TODO: add context.WithCancel for slower requests
-	for providerName := range providers {
-		// wg.Add(1)
-		go func(p, cv string) {
-			// defer wg.Done()
-			c, err := providers[p].Request(cv)
-			if err != nil {
-				chError <- err
-				return
-			}
-
-			chResponse <- c
-		}(providerName, cep.Cep)
-	}
-
-	// wg.Wait()
-	// close(chResponse)
-	// close(chError)
-}
-
-type GetAddressOptions struct {
-	PreferenceForAPI string
-}
-
-// GetAddress - get address
-func GetAddress(cepRaw string, opts *GetAddressOptions) (chan *entity.Cep, chan error) {
-	chResponse := make(chan *entity.Cep, GetTotalAmountOfCepProviders())
-	chError := make(chan error)
-
-	go getAddress(cepRaw, opts, chResponse, chError)
-
-	return chResponse, chError
-}
-
-func GetAddressSync(cepRaw string, opts *GetAddressOptions) (*entity.Cep, error) {
-	totalAmountOfCepProvider := GetTotalAmountOfCepProviders()
-	chResponse := make(chan *entity.Cep, totalAmountOfCepProvider)
-	chError := make(chan error)
-
-	go getAddress(cepRaw, opts, chResponse, chError)
-
-	var err error
-	i := 0
-	for i < totalAmountOfCepProvider {
-		select {
-		case address := <-chResponse:
-			return address, nil
-		case err = <-chError:
-			i++
-		}
-	}
-
-	return nil, err
-}
-
-// func GetAddressSync(cepRaw string, opts *GetAddressOptions) (*entity.Cep, error) {
-// 	totalAmountOfCepProvider := GetTotalAmountOfCepProviders()
-// 	chResponse := make(chan *entity.Cep, totalAmountOfCepProvider)
-// 	chError := make(chan error)
-
-// 	go getAddress(cepRaw, opts, chResponse, chError)
-
-// 	var lastError error
-// 	for i := 0; i < totalAmountOfCepProvider; i++ {
-// 		select {
-// 		case address := <-chResponse:
-// 			return address, nil
-// 		case err := <-chError:
-// 			lastError = err
-// 		}
-// 	}
-
-// 	if lastError != nil {
-// 		return nil, lastError
-// 	}
-
-// 	return nil, fmt.Errorf("address not found for cep %s", cepRaw)
-// }