Rename palette -> frame (#41)

src/frame/mod.rs

@@ -0,0 +1,20 @@
+//! Implements support for built-in runtime modules.
+
+use parity_scale_codec::Encode;
+
+pub mod balances;
+pub mod contracts;
+pub mod system;
+
+/// Creates module calls
+pub struct Call<T: Encode> {
+    pub module: &'static str,
+    pub function: &'static str,
+    pub args: T,
+}
+
+impl<T: Encode> Call<T> {
+    pub fn new(module: &'static str, function: &'static str, args: T) -> Self {
+        Call { module, function, args }
+    }
+}