feat(hsm): first version of hsm library functional

lib/util/validators.moon

@@ -0,0 +1,24 @@
+---
+-- Determines if the provided timer value is valid.
+--
+-- A valid timer is defined as a number greater than zero.
+--
+-- @param x number: The timer value to validate.
+-- @return boolean: Returns `true` if `x` is a positive number; otherwise, returns `false` or `nil`.
+export is_valid_timer = (x) ->
+  type(x) == "number" and x > 0
+
+---
+-- Checks whether the given string is a valid symbol.
+--
+-- A valid symbol is defined as a non-empty string that contains only
+-- alphabetic characters (A-Z and a-z). If the input is not a string,
+-- the function returns `false`.
+--
+-- @param s string: The string to be validated as a symbol.
+-- @return boolean: Returns `true` if `s` contains only letters; otherwise, returns `false`.
+export is_valid_symbol = (s) ->
+  if type(s) == "string" and string.match s, "^[A-Za-z][A-Za-z0-9_]*$"
+    true
+  else
+    false