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Downward Message Processing implementation (#1859)

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* DMP: data structures and plumbing

* DMP: Implement DMP logic in the router module

DMP: Integrate DMP parts into the inclusion module

* DMP: Introduce the max size limit for the size of a downward message

* DMP: Runtime API for accessing inbound messages

* OCD

Small clean ups

* DMP: fix the naming of the error

* DMP: add caution about a non-existent recipient
This commit is contained in:
Sergei Shulepov
2020-10-28 11:41:42 +01:00
committed by GitHub
parent 1a25c41277
commit 9903bca259
26 changed files with 556 additions and 36 deletions
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polkadot/node/subsystem/src/messages.rs
+15 -3
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@@ -37,7 +37,7 @@ use polkadot_primitives::v1::{
GroupRotationInfo, Hash, Id as ParaId, OccupiedCoreAssumption,
PersistedValidationData, PoV, SessionIndex, SignedAvailabilityBitfield,
ValidationCode, ValidatorId, ValidationData,
ValidatorIndex, ValidatorSignature,
ValidatorIndex, ValidatorSignature, InboundDownwardMessage,
};
use std::sync::Arc;
@@ -419,7 +419,11 @@ pub enum RuntimeApiRequest {
/// Get the validation code for a para, taking the given `OccupiedCoreAssumption`, which
/// will inform on how the validation data should be computed if the para currently
/// occupies a core.
ValidationCode(ParaId, OccupiedCoreAssumption, RuntimeApiSender<Option<ValidationCode>>),
ValidationCode(
ParaId,
OccupiedCoreAssumption,
RuntimeApiSender<Option<ValidationCode>>,
),
/// Get a the candidate pending availability for a particular parachain by parachain / core index
CandidatePendingAvailability(ParaId, RuntimeApiSender<Option<CommittedCandidateReceipt>>),
/// Get all events concerning candidates (backing, inclusion, time-out) in the parent of
@@ -429,7 +433,15 @@ pub enum RuntimeApiRequest {
/// Currently this request is limited to validators in the current session.
///
/// Returns `None` for validators not found in the current session.
ValidatorDiscovery(Vec<ValidatorId>, RuntimeApiSender<Vec<Option<AuthorityDiscoveryId>>>),
ValidatorDiscovery(
Vec<ValidatorId>,
RuntimeApiSender<Vec<Option<AuthorityDiscoveryId>>>,
),
/// Get all the pending inbound messages in the downward message queue for a para.
DmqContents(
ParaId,
RuntimeApiSender<Vec<InboundDownwardMessage<BlockNumber>>>,
),
}
/// A message to the Runtime API subsystem.