inital commit, which is clearly not initial

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

runtime/common/src/weights/extrinsic.rs

@@ -0,0 +1,27 @@
+use sp_core::parameter_types;
+use sp_weights::{constants::WEIGHT_REF_TIME_PER_NANOS, Weight};
+
+parameter_types! {
+	pub const ExtrinsicBaseWeight: Weight =
+		Weight::from_ref_time(WEIGHT_REF_TIME_PER_NANOS.saturating_mul(94_914));
+}
+
+#[cfg(test)]
+mod test_weights {
+	use sp_weights::constants;
+
+	#[test]
+	fn sane() {
+		let w = super::ExtrinsicBaseWeight::get();
+
+		assert!(
+			w.ref_time() >= 10u64 * constants::WEIGHT_REF_TIME_PER_MICROS,
+			"Weight should be at least 10 µs."
+		);
+
+		assert!(
+			w.ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
+			"Weight should be at most 1 ms."
+		);
+	}
+}