Fix: return 400 on unknown address

cmd/api/handler/address.go

@@ -790,7 +790,7 @@ func (handler *AddressHandler) getIdByHash(ctx context.Context, hash []byte, add
 
 	switch len(addressId) {
 	case 0:
-		return 0, errors.Errorf("can't find address: %s", address)
+		return 0, errors.Wrap(errUnknownAddress, address)
 	case 1:
 		return addressId[0], nil
 	default:

cmd/api/handler/error.go

@@ -15,6 +15,7 @@ import (
 var (
 	errInvalidHashLength = errors.New("invalid hash: should be 32 bytes length")
 	errInvalidAddress    = errors.New("invalid address")
+	errUnknownAddress    = errors.New("unknown address")
 	errCancelRequest     = "pq: canceling statement due to user request"
 )
 
@@ -61,7 +62,7 @@ func handleError(c echo.Context, err error, noRows NoRows) error {
 	if noRows.IsNoRows(err) {
 		return c.NoContent(http.StatusNoContent)
 	}
-	if errors.Is(err, errInvalidAddress) {
+	if errors.Is(err, errInvalidAddress) || errors.Is(err, errUnknownAddress) {
 		return badRequestError(c, err)
 	}
 	return internalServerError(c, err)