Transition into monorepo (#180)

* evm template integrated

* workflows modified per template

* workflow fixes

generic-template/runtime/tests/multiplier.rs

@@ -0,0 +1,46 @@
+// Integration transaction weight-fee tests
+mod common;
+use common::*;
+use frame_support::pallet_prelude::*;
+use pallet_transaction_payment::Multiplier;
+use parachain_template_runtime::{Runtime, RuntimeBlockWeights};
+use polkadot_runtime_common::MinimumMultiplier;
+use sp_runtime::{traits::Convert, Perquintill};
+
+fn min_multiplier() -> Multiplier {
+    MinimumMultiplier::get()
+}
+
+fn target() -> Weight {
+    Perquintill::from_percent(25)
+        * RuntimeBlockWeights::get().get(DispatchClass::Normal).max_total.unwrap()
+}
+
+fn runtime_multiplier_update(fm: Multiplier) -> Multiplier {
+    <Runtime as pallet_transaction_payment::Config>::FeeMultiplierUpdate::convert(fm)
+}
+
+#[test]
+fn multiplier_can_grow_from_zero() {
+    // if the min is too small, then this will not change, and we are doomed forever.
+    // the block ref time is 1/100th bigger than target.
+    run_with_system_weight(target().set_ref_time(target().ref_time() * 101 / 100), || {
+        let next = runtime_multiplier_update(min_multiplier());
+        assert!(next > min_multiplier(), "{:?} !> {:?}", next, min_multiplier());
+    });
+
+    // the block proof size is 1/100th bigger than target.
+    run_with_system_weight(target().set_proof_size((target().proof_size() / 100) * 101), || {
+        let next = runtime_multiplier_update(min_multiplier());
+        assert!(next > min_multiplier(), "{:?} !> {:?}", next, min_multiplier());
+    })
+}
+
+#[test]
+fn multiplier_cannot_go_below_limit() {
+    // will not go any further below even if block is empty.
+    run_with_system_weight(Weight::zero(), || {
+        let next = runtime_multiplier_update(min_multiplier());
+        assert_eq!(next, min_multiplier());
+    })
+}