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Request based collation fetching (#2621)

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* Introduce collation fetching protocol

also move to mod.rs

* Allow `PeerId`s in requests to network bridge.

* Fix availability distribution tests.

* Move CompressedPoV to primitives.

* Request based collator protocol: validator side

- Missing: tests
- Collator side
- don't connect, if not connected

* Fixes.

* Basic request based collator side.

* Minor fix on collator side.

* Don't connect in requests in collation protocol.

Also some cleanup.

* Fix PoV distribution

* Bump substrate

* Add back metrics + whitespace fixes.

* Add back missing spans.

* More cleanup.

* Guide update.

* Fix tests

* Handle results in tests.

* Fix weird compilation issue.

* Add missing )

* Get rid of dead code.

* Get rid of redundant import.

* Fix runtime build.

* Cleanup.

* Fix wasm build.

* Format fixes.

Thanks @andronik !
This commit is contained in:
Robert Klotzner
2021-03-18 09:06:36 +01:00
committed by GitHub
parent f33f6badac
commit 503e2b74f9
24 changed files with 576 additions and 737 deletions
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polkadot/node/network/protocol/src/request_response/v1.rs
+24 -1
View File
@@ -18,7 +18,8 @@
use parity_scale_codec::{Decode, Encode};
use polkadot_primitives::v1::{CandidateHash, ErasureChunk, ValidatorIndex};
use polkadot_primitives::v1::{CandidateHash, CandidateReceipt, ErasureChunk, ValidatorIndex, CompressedPoV, Hash};
use polkadot_primitives::v1::Id as ParaId;
use super::request::IsRequest;
use super::Protocol;
@@ -78,3 +79,25 @@ impl IsRequest for AvailabilityFetchingRequest {
type Response = AvailabilityFetchingResponse;
const PROTOCOL: Protocol = Protocol::AvailabilityFetching;
}
/// Request the advertised collation at that relay-parent.
#[derive(Debug, Clone, Encode, Decode)]
pub struct CollationFetchingRequest {
/// Relay parent we want a collation for.
pub relay_parent: Hash,
/// The `ParaId` of the collation.
pub para_id: ParaId,
}
/// Responses as sent by collators.
#[derive(Debug, Clone, Encode, Decode)]
pub enum CollationFetchingResponse {
/// Deliver requested collation.
#[codec(index = 0)]
Collation(CandidateReceipt, CompressedPoV),
}
impl IsRequest for CollationFetchingRequest {
type Response = CollationFetchingResponse;
const PROTOCOL: Protocol = Protocol::CollationFetching;
}