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/network/src/legacy/collator_pool.rs

@@ -17,8 +17,7 @@
 //! Bridge between the network and consensus service for getting collations to it.
 
 use codec::{Encode, Decode};
-use polkadot_primitives::Hash;
-use polkadot_primitives::parachain::{CollatorId, Id as ParaId, Collation};
+use polkadot_primitives::v0::{Hash, CollatorId, Id as ParaId, Collation};
 use sc_network::PeerId;
 use futures::channel::oneshot;
 
@@ -236,7 +235,7 @@ impl CollatorPool {
 mod tests {
 	use super::*;
 	use sp_core::crypto::UncheckedInto;
-	use polkadot_primitives::parachain::{CollationInfo, BlockData, PoVBlock};
+	use polkadot_primitives::v0::{CollationInfo, BlockData, PoVBlock};
 	use futures::executor::block_on;
 
 	fn make_pov(block_data: Vec<u8>) -> PoVBlock {

polkadot/network/src/legacy/gossip/attestation.rs

@@ -33,7 +33,7 @@
 use sc_network_gossip::{ValidationResult as GossipValidationResult};
 use sc_network::ReputationChange;
 use polkadot_validation::GenericStatement;
-use polkadot_primitives::Hash;
+use polkadot_primitives::v0::Hash;
 
 use std::collections::HashMap;
 

polkadot/network/src/legacy/gossip/mod.rs

@@ -58,8 +58,8 @@ use sc_network_gossip::{
 	ValidatorContext, MessageIntent,
 };
 use polkadot_validation::{SignedStatement};
-use polkadot_primitives::{Block, Hash};
-use polkadot_primitives::parachain::{
+use polkadot_primitives::v0::{
+	Block, Hash,
 	ParachainHost, ValidatorId, ErasureChunk as PrimitiveChunk, SigningContext, PoVBlock,
 };
 use polkadot_erasure_coding::{self as erasure};
@@ -755,7 +755,7 @@ mod tests {
 	use sc_network_gossip::Validator as ValidatorT;
 	use std::sync::mpsc;
 	use parking_lot::Mutex;
-	use polkadot_primitives::parachain::{AbridgedCandidateReceipt, BlockData};
+	use polkadot_primitives::v0::{AbridgedCandidateReceipt, BlockData};
 	use sp_core::sr25519::Signature as Sr25519Signature;
 	use polkadot_validation::GenericStatement;
 

polkadot/network/src/legacy/local_collations.rs

@@ -19,7 +19,7 @@
 //! Collations are attempted to be repropagated when a new validator connects,
 //! a validator changes his session key, or when they are generated.
 
-use polkadot_primitives::{Hash, parachain::{ValidatorId}};
+use polkadot_primitives::v0::{Hash, ValidatorId};
 use crate::legacy::collator_pool::Role;
 use std::collections::{HashMap, HashSet};
 use std::time::Duration;
@@ -144,7 +144,7 @@ impl<C: Clone> LocalCollations<C> {
 mod tests {
 	use super::*;
 	use sp_core::crypto::UncheckedInto;
-	use polkadot_primitives::parachain::ValidatorId;
+	use polkadot_primitives::v0::ValidatorId;
 
 	#[test]
 	fn add_validator_with_ready_collation() {

polkadot/network/src/legacy/mod.rs

@@ -25,7 +25,7 @@ pub mod gossip;
 
 use codec::Decode;
 use futures::prelude::*;
-use polkadot_primitives::Hash;
+use polkadot_primitives::v0::Hash;
 use sc_network::PeerId;
 use sc_network_gossip::TopicNotification;
 use log::debug;

polkadot/network/src/lib.rs

@@ -21,7 +21,7 @@
 
 #![recursion_limit="256"]
 
-use polkadot_primitives::{Block, Hash, BlakeTwo256, HashT};
+use polkadot_primitives::v0::{Block, Hash, BlakeTwo256, HashT};
 
 pub mod legacy;
 pub mod protocol;

polkadot/network/src/protocol/mod.rs

@@ -30,12 +30,10 @@ use futures::task::{Context, Poll};
 use futures::stream::{FuturesUnordered, StreamFuture};
 use log::{debug, trace};
 
-use polkadot_primitives::{
+use polkadot_primitives::v0::{
 	Hash, Block,
-	parachain::{
-		PoVBlock, ValidatorId, ValidatorIndex, Collation, AbridgedCandidateReceipt,
-		ErasureChunk, ParachainHost, Id as ParaId, CollatorId,
-	},
+	PoVBlock, ValidatorId, ValidatorIndex, Collation, AbridgedCandidateReceipt,
+	ErasureChunk, ParachainHost, Id as ParaId, CollatorId,
 };
 use polkadot_validation::{
 	SharedTable, TableRouter, Network as ParachainNetwork, Validated, GenericStatement, Collators,

polkadot/network/src/protocol/tests.rs

@@ -17,8 +17,8 @@ use super::*;
 use crate::legacy::gossip::GossipPoVBlock;
 use parking_lot::Mutex;
 
-use polkadot_primitives::Block;
-use polkadot_primitives::parachain::{
+use polkadot_primitives::v0::{
+	Block,
 	Id as ParaId, Chain, DutyRoster, ParachainHost, ValidatorId,
 	Retriable, CollatorId, AbridgedCandidateReceipt,
 	GlobalValidationSchedule, LocalValidationData, ErasureChunk, SigningContext,
@@ -198,7 +198,7 @@ sp_api::mock_impl_runtime_apis! {
 				parent_hash: Default::default(),
 			}
 		}
-		fn downward_messages(_: ParaId) -> Vec<polkadot_primitives::DownwardMessage> {
+		fn downward_messages(_: ParaId) -> Vec<polkadot_primitives::v0::DownwardMessage> {
 			Vec::new()
 		}
 	}