[#316] ir/netmap: Rename LOCODE attribute key

Rename key to LOCODE node attribute from `Locode` to `UN-LOCODE`.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/innerring/processors/netmap/nodevalidation/locode/calls.go

@@ -10,10 +10,10 @@ var errMissingLocode = errors.New("missing locode attribute")
 
 var errMissingRequiredAttr = errors.New("missing required attribute in DB record")
 
-// VerifyAndUpdate validates LOCODE attribute of n
+// VerifyAndUpdate validates UN-LOCODE attribute of n
 // and adds a group of related attributes.
 //
-// If n does not contain LOCODE attribute or its value does not
+// If n does not contain UN-LOCODE attribute or its value does not
 // match the UN/LOCODE format, an error returns.
 //
 // New attributes are formed from the record of DB instance (Prm).
@@ -26,7 +26,7 @@ var errMissingRequiredAttr = errors.New("missing required attribute in DB record
 //  * SubDiv: R.SubDivName();
 //  * Continent: R.Continent().String().
 //
-// LOCODE attribute remains untouched.
+// UN-LOCODE attribute remains untouched.
 func (v *Validator) VerifyAndUpdate(n *netmap.NodeInfo) error {
 	mAttr := uniqueAttributes(n.Attributes())
 

pkg/innerring/processors/netmap/nodevalidation/locode/validator.go

@@ -28,7 +28,7 @@ type Validator struct {
 
 // TODO: define constants in API lib.
 const (
-	attrKeyLocode = "Locode"
+	attrKeyLocode = "UN-LOCODE"
 
 	attrKeyCountryCode = "CountryCode"
 	attrKeyCountry     = "Country"