move paras inherent filtering to runtime (#4028)

* move things around, add filter methods

* validator keys, modify availability bitfields according to disputes

* simplify, keep the filter -> sanitize generic for both usecases

* minor

* assure tests still work, reduce changeset

* integration

* start entropy passing

* fixins

* compile, 1 failing test

* filter with coverage

* fixins

* Update runtime/parachains/src/paras_inherent.rs

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* slip of the pen

* improve test cases

* misc

* fix

* fixins

* test avoid extra into() calls in assert_noop!

* chores

* ff

* test fixup superfluous into call

* chore: pfmt

* improve apply_block_weight_limit to try to maximize the number of sufficiently backed

blocks and add extra bitfields in a round-robin fashion

* new code treats the lack of backed candidates as ok

* Use vrf based entropy

* fixup vrf random

* add warn

* slip of the pen

* fixup

* assure ordering

* rethink apply_weights

* mock

* use a closure as predicate check

* extract and use DisputedBitfield

* chore: simplify

* remove stray dbg

* chore: fmt

* address feedback

* fix test, halfway there

* stage1

* dbg stuff

* make group selection align

* fix session index

* fix wrongly returned candidates

* cleanup

* chore fmt

* fix ensure check

* make good case test work

* more tests for bitfields

* create sanitize_backed_candidates

* fixup tests

* update guide

* add check referenced in the guide

* improve weights code

* fmt

* fixins

* Update roadmap/implementers-guide/src/runtime/inclusion.md

Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>

* compiling + address review

* add comments

* fix weight calc

* address review comments and test failure

* fix

* fix: condition

* Fix random_sel function

* Fix overlength block check

* Zeke + Ladi commit for disputes filtering + integration test builder + runtime benchmarks + integration tests

* Add benchmarks for code upgrades

* Code upgrade bench; Feature gate TestWeightInfo

* Try and make CI happier

* Feature gate enter test to not(benchmarks)

* Make sure no unused imports/fn

* refactor, re-use, the beginning

* Fix issue with frame benchmarking dep compilation

* More precise feature gating for some derives

* integrate piece-wise

* foo

* fixins

* chore fmt

* fixins

* rename const generic

* Update runtime/parachains/src/paras_inherent.rs

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>

* Fix compilation

* limit to test

* remove unused spam slots

* spellcheck

* remove a tick, fix a typo

* Add Code upgrade weights

* comment improvements + >=

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>

* remove another tick

* Update runtime/parachains/src/paras_inherent/benchmarking.rs

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>

* saturating fixins + some spaces

* fix

* benchmarking - preliminary results

* Add training wheels

* Refactor some early exit logic for enter

* Gracefully handle filtering bitfields & candidates (#4280)

This updates the logic for sanitize_bitfields and sanitize_backed_candidates to never error when there is an issue, but instead to simply skip the problematic items.

* Refactor inherent data weight limiting logic (#4287)

* Apply suggestions from code review

* Update runtime/parachains/src/builder.rs

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>

* Update runtime/parachains/src/builder.rs

* Update runtime/parachains/src/paras_inherent.rs

* final pass

* Run cargo +nightly-2021-10-29 fmt

* Update implementors guide with `sanitize_*` & `enter` (#4294)

* Make spell check happier

* Make wasm runtimes compile with benchmarks enabled (#4303)

* comment stuff out, use old toml

* Seems to be working?

* Remove feature gating from builder

* Remove commented out stuff

* Remove generic from digest

* Update weight files for runtime

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>
Co-authored-by: Lldenaurois <Ljdenaurois@gmail.com>
Co-authored-by: Zeke Mostov <z.mostov@gmail.com>
Co-authored-by: Bastian Köcher <info@kchr.de>

polkadot/parachain/Cargo.toml

@@ -36,3 +36,4 @@ std = [
 	"polkadot-core-primitives/std",
 	"frame-support/std",
 ]
+runtime-benchmarks = []

polkadot/parachain/src/primitives.rs

@@ -41,9 +41,19 @@ pub use polkadot_core_primitives::BlockNumber as RelayChainBlockNumber;
 
 /// Parachain head data included in the chain.
 #[derive(
-	PartialEq, Eq, Clone, PartialOrd, Ord, Encode, Decode, RuntimeDebug, derive_more::From, TypeInfo,
+	PartialEq,
+	Eq,
+	Clone,
+	PartialOrd,
+	Ord,
+	Encode,
+	Decode,
+	RuntimeDebug,
+	derive_more::From,
+	TypeInfo,
+	Default,
 )]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Default, Hash, MallocSizeOf))]
+#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Hash, MallocSizeOf))]
 pub struct HeadData(#[cfg_attr(feature = "std", serde(with = "bytes"))] pub Vec<u8>);
 
 impl HeadData {