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past-session validator discovery APIs (#2009)

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* guide: fix formatting for SessionInfo module

* primitives: SessionInfo type

* punt on approval keys

* ah, revert the type alias

* session info runtime module skeleton

* update the guide

* runtime/configuration: sync with the guide

* runtime/configuration: setters for newly added fields

* runtime/configuration: set codec indexes

* runtime/configuration: update test

* primitives: fix SessionInfo definition

* runtime/session_info: initial impl

* runtime/session_info: use initializer for session handling (wip)

* runtime/session_info: mock authority discovery trait

* guide: update the initializer's order

* runtime/session_info: tests skeleton

* runtime/session_info: store n_delay_tranches in Configuration

* runtime/session_info: punt on approval keys

* runtime/session_info: add some basic tests

* Update primitives/src/v1.rs

* small fixes

* remove codec index annotation on structs

* fix off-by-one error

* validator_discovery: accept a session index

* runtime: replace validator_discovery api with session_info

* Update runtime/parachains/src/session_info.rs

Co-authored-by: Sergei Shulepov <sergei@parity.io>

* runtime/session_info: add a comment about missing entries

* runtime/session_info: define the keys

* util: expose connect_to_past_session_validators

* util: allow session_info requests for jobs

* runtime-api: add mock test for session_info

* collator-protocol: add session_index to test state

* util: fix error message for runtime error

* fix compilation

* fix tests after merge with master

Co-authored-by: Sergei Shulepov <sergei@parity.io>
This commit is contained in:
Andronik Ordian
2020-11-26 12:02:50 +01:00
committed by GitHub
parent 4ce744818c
commit 39a12b68f6
25 changed files with 696 additions and 213 deletions
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polkadot/node/subsystem-util/src/lib.rs
+3
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@@ -37,6 +37,7 @@ use polkadot_primitives::v1::{
CandidateEvent, CommittedCandidateReceipt, CoreState, EncodeAs, PersistedValidationData,
GroupRotationInfo, Hash, Id as ParaId, ValidationData, OccupiedCoreAssumption,
SessionIndex, Signed, SigningContext, ValidationCode, ValidatorId, ValidatorIndex,
SessionInfo,
};
use sp_core::{
traits::SpawnNamed,
@@ -193,6 +194,7 @@ specialize_requests! {
fn request_validation_code(para_id: ParaId, assumption: OccupiedCoreAssumption) -> Option<ValidationCode>; ValidationCode;
fn request_candidate_pending_availability(para_id: ParaId) -> Option<CommittedCandidateReceipt>; CandidatePendingAvailability;
fn request_candidate_events() -> Vec<CandidateEvent>; CandidateEvents;
fn request_session_info(index: SessionIndex) -> Option<SessionInfo>; SessionInfo;
}
/// Request some data from the `RuntimeApi` via a SubsystemContext.
@@ -274,6 +276,7 @@ specialize_requests_ctx! {
fn request_validation_code_ctx(para_id: ParaId, assumption: OccupiedCoreAssumption) -> Option<ValidationCode>; ValidationCode;
fn request_candidate_pending_availability_ctx(para_id: ParaId) -> Option<CommittedCandidateReceipt>; CandidatePendingAvailability;
fn request_candidate_events_ctx() -> Vec<CandidateEvent>; CandidateEvents;
fn request_session_info_ctx(index: SessionIndex) -> Option<SessionInfo>; SessionInfo;
}
/// From the given set of validators, find the first key we can sign with, if any.