Account proof size in weight formula (#679)

* fix broken message lane benchmarks

* proof-size related benchmarks

* impl Size for proof parameters

* include proof weight into weight formula

* left TODO

* fixed proof size

* WeightInfoExt::receive_messages_proof_weight

* charge for extra message bytes delivery in send_message

* removed default impl of WeightsInfoExt

* moved weight formulas to WeightInfoExt

* receive_messages_proof_outbound_lane_state_overhead is included twice in weight

* typo

* typo

* fixed TODO

* more asserts

* started wotk on message-lane documentation

* expected_extra_storage_proof_size() is actually expected in delivery confirmation tx

* update README.md

* ensure_able_to_receive_confirmation

* test rialto message lane weights

* removed TODO

* removed unnecessary trait requirements

* fixed arguments

* fix compilation

* decreased basic delivery tx weight

* fmt

* clippy

* Update modules/message-lane/src/benchmarking.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* structs

* Update primitives/millau/src/lib.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* removed readme.md

* removed obsolete trait bounds

* Revert "removed readme.md"

This reverts commit 50b7376a41687a94c27bf77565434be153f87ca1.

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* PreComputedSize

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>
Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

bridges/primitives/runtime/src/lib.rs

@@ -21,6 +21,7 @@
 use codec::Encode;
 use sp_core::hash::H256;
 use sp_io::hashing::blake2_256;
+use sp_std::convert::TryFrom;
 
 pub use chain::{BlockNumberOf, Chain, HashOf, HasherOf, HeaderOf};
 
@@ -110,3 +111,12 @@ pub trait Size {
 	/// accurate.
 	fn size_hint(&self) -> u32;
 }
+
+/// Pre-computed size.
+pub struct PreComputedSize(pub usize);
+
+impl Size for PreComputedSize {
+	fn size_hint(&self) -> u32 {
+		u32::try_from(self.0).unwrap_or(u32::MAX)
+	}
+}