Add number n name

Author: lumtis

starport/pkg/multiformatname/multiformatname.go

@@ -38,9 +38,15 @@ func CheckName(name string) error {
 	}
 
 	// check  characters
-	for _, c := range name {
+	c := name[0]
+	authorized := ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z')
+	if !authorized {
+		return fmt.Errorf("name cannot contain %v as first character", string(c))
+	}
+
+	for _, c := range name[1:] {
 		// A name can contains letter, hyphen or underscore
-		authorized := ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '-' || c == '_'
+		authorized := ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '-' || c == '_'
 		if !authorized {
 			return fmt.Errorf("name cannot contain %v", string(c))
 		}

starport/pkg/multiformatname/multiformatname_test.go

@@ -18,6 +18,7 @@ func TestNewMultiFormatName(t *testing.T) {
 		{"foo_-_bar", "fooBar", "FooBar", "foo---bar"},
 		{"foo_-_Bar", "fooBar", "FooBar", "foo---bar"},
 		{"fooBAR", "fooBAR", "FooBAR", "foo-bar"},
+		{"fooBar123", "fooBar123", "FooBar123", "foo-bar-123"},
 	}
 
 	// test cases
@@ -55,7 +56,9 @@ func TestNewMultiFormatName2(t *testing.T) {
 	cases := []string{
 		"",
 		"foo bar",
-		"foo123",
+		"1foo",
+		"-foo",
+		"_foo",
 		"@foo",
 	}