move client validation

client/v2/autocli/prompt/message.go

@@ -148,7 +148,7 @@ func valueOf(field protoreflect.FieldDescriptor, result string) (protoreflect.Va
 	}
 }
 
-// valueOf prompts the user for a comma-separated list of values for a repeated field.
+// promptList prompts the user for a comma-separated list of values for a repeated field.
 // The user will be prompted to enter values separated by commas which will be parsed
 // according to the field's type using valueOf.
 func promptList(field protoreflect.FieldDescriptor, msg protoreflect.Message, promptUi promptui.Prompt, promptPrefix string) (protoreflect.List, error) {

client/v2/autocli/prompt/validation.go

@@ -3,6 +3,8 @@ package prompt
 import (
 	"errors"
 	"fmt"
+	"net/url"
+	"unicode"
 
 	"cosmossdk.io/core/address"
 )
@@ -27,3 +29,24 @@ func ValidateAddress(ac address.Codec) func(string) error {
 		return nil
 	}
 }
+
+// ValidatePromptURL validates that the input is a valid URL.
+func ValidatePromptURL(input string) error {
+	_, err := url.ParseRequestURI(input)
+	if err != nil {
+		return fmt.Errorf("invalid URL: %w", err)
+	}
+
+	return nil
+}
+
+// CamelCaseToString converts a camel case string to a string with spaces.
+func CamelCaseToString(str string) string {
+	w := []rune(str)
+	for i := len(w) - 1; i > 1; i-- {
+		if unicode.IsUpper(w[i]) {
+			w = append(w[:i], append([]rune{' '}, w[i:]...)...)
+		}
+	}
+	return string(w)
+}

client/v2/autocli/prompt/validation_test.go

@@ -3,7 +3,6 @@ package prompt
 import (
 	"testing"
 
-
 	"github.com/stretchr/testify/require"
 
 	"cosmossdk.io/core/address"
@@ -47,3 +46,10 @@ func TestValidateAddress(t *testing.T) {
 		})
 	}
 }
+
+func TestValidatePromptURL(t *testing.T) {
+	require := require.New(t)
+
+	require.NoError(ValidatePromptURL("https://example.com"))
+	require.ErrorContains(ValidatePromptURL("foo"), "invalid URL")
+}