feat: get account by path

pkg/utils/balance.go

@@ -0,0 +1,18 @@
+package utils
+
+import "strings"
+
+var balance = ".balance"
+
+func IsBalance(str string) bool {
+	return strings.Contains(str, balance)
+}
+
+// GetActualVirtualPath remove balance suffix
+func GetActualVirtualPath(virtualPath string) string {
+	bIndex := strings.LastIndex(virtualPath, ".balance")
+	if bIndex != -1 {
+		virtualPath = virtualPath[:bIndex]
+	}
+	return virtualPath
+}