Refactor primitives (#1383)

* create a v1 primitives module

* Improve guide on availability types

* punctuate

* new parachains runtime uses new primitives

* tests of new runtime now use new primitives

* add ErasureChunk to guide

* export erasure chunk from v1 primitives

* subsystem crate uses v1 primitives

* node-primitives uses new v1 primitives

* port overseer to new primitives

* new-proposer uses v1 primitives (no ParachainHost anymore)

* fix no-std compilation for primitives

* service-new uses v1 primitives

* network-bridge uses new primitives

* statement distribution uses v1 primitives

* PoV distribution uses v1 primitives; add PoV::hash fn

* move parachain to v0

* remove inclusion_inherent module and place into v1

* remove everything from primitives crate root

* remove some unused old types from v0 primitives

* point everything else at primitives::v0

* squanch some warns up

* add RuntimeDebug import to no-std as well

* port over statement-table and validation

* fix final errors in validation and node-primitives

* add dummy Ord impl to committed candidate receipt

* guide: update CandidateValidationMessage

* add primitive for validationoutputs

* expand CandidateValidationMessage further

* bikeshed

* add some impls to omitted-validation-data and available-data

* expand CandidateValidationMessage

* make erasure-coding generic over v1/v0

* update usages of erasure-coding

* implement commitments.hash()

* use Arc<Pov> for CandidateValidation

* improve new erasure-coding method names

* fix up candidate backing

* update docs a bit

* fix most tests and add short-circuiting to make_pov_available

* fix remainder of candidate backing tests

* squanching warns

* squanch it up

* some fallout

* overseer fallout

* free from polkadot-test-service hell

polkadot/service/src/chain_spec.rs

@@ -17,7 +17,7 @@
 //! Polkadot chain configurations.
 
 use sp_core::{Pair, Public, crypto::UncheckedInto, sr25519};
-use polkadot_primitives::{AccountId, AccountPublic, parachain::ValidatorId};
+use polkadot_primitives::v0::{AccountId, AccountPublic, ValidatorId};
 use polkadot_runtime as polkadot;
 use kusama_runtime as kusama;
 use westend_runtime as westend;
@@ -48,9 +48,9 @@ const DEFAULT_PROTOCOL_ID: &str = "dot";
 #[serde(rename_all = "camelCase")]
 pub struct Extensions {
 	/// Block numbers with known hashes.
-	pub fork_blocks: sc_client_api::ForkBlocks<polkadot_primitives::Block>,
+	pub fork_blocks: sc_client_api::ForkBlocks<polkadot_primitives::v0::Block>,
 	/// Known bad block hashes.
-	pub bad_blocks: sc_client_api::BadBlocks<polkadot_primitives::Block>,
+	pub bad_blocks: sc_client_api::BadBlocks<polkadot_primitives::v0::Block>,
 }
 
 /// The `ChainSpec parametrised for polkadot runtime`.

polkadot/service/src/grandpa_support.rs

@@ -16,7 +16,7 @@
 
 //! Polkadot-specific GRANDPA integration utilities.
 
-use polkadot_primitives::Hash;
+use polkadot_primitives::v0::Hash;
 use sp_runtime::traits::{Block as BlockT, NumberFor};
 
 /// A custom GRANDPA voting rule that "pauses" voting (i.e. keeps voting for the
@@ -98,7 +98,7 @@ impl<Block, B> grandpa::VotingRule<Block, B> for PauseAfterBlockFor<NumberFor<Bl
 /// #1500988).
 pub(crate) fn kusama_hard_forks() -> Vec<(
 	grandpa_primitives::SetId,
-	(Hash, polkadot_primitives::BlockNumber),
+	(Hash, polkadot_primitives::v0::BlockNumber),
 	grandpa_primitives::AuthorityList,
 )> {
 	use sp_core::crypto::Ss58Codec;

polkadot/service/src/lib.rs

@@ -22,7 +22,7 @@ mod client;
 
 use std::sync::Arc;
 use std::time::Duration;
-use polkadot_primitives::{parachain, Hash, BlockId, AccountId, Nonce, Balance};
+use polkadot_primitives::v0::{self as parachain, Hash, BlockId, AccountId, Nonce, Balance};
 #[cfg(feature = "full-node")]
 use polkadot_network::{legacy::gossip::Known, protocol as network_protocol};
 use service::{error::Error as ServiceError, ServiceBuilder};
@@ -42,8 +42,7 @@ pub use sc_consensus::LongestChain;
 pub use sp_api::{Core as CoreApi, ConstructRuntimeApi, ProvideRuntimeApi, StateBackend};
 pub use sp_runtime::traits::{HashFor, NumberFor};
 pub use consensus_common::{SelectChain, BlockImport, block_validation::Chain};
-pub use polkadot_primitives::parachain::{CollatorId, ParachainHost};
-pub use polkadot_primitives::Block;
+pub use polkadot_primitives::v0::{Block, CollatorId, ParachainHost};
 pub use sp_runtime::traits::{Block as BlockT, self as runtime_traits, BlakeTwo256};
 pub use chain_spec::{PolkadotChainSpec, KusamaChainSpec, WestendChainSpec};
 #[cfg(feature = "full-node")]