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Slash and prove membership of prior sessions (#2970)

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* skeleton for tracking historical sessions

* refactor OpaqueKeys

* some more skeleton work

* adjust session to new OpaqueKeys API

* further refactoring of key-type-ids

* session gets validator ID parameter

* run up against compiler

* tweak staking to support new session changes

* first run at child storage for deduplication

* Make session use `AccountId` as `ValidatorId`

* run up against child trie issues

* switch to using normal trie but with a fixed prefix

* clear out some println

* add dedup test

* flesh out historical module more

* introduce ExposureOf for staking

* test the historical module

* WASM compiles

* tests all compile

* do some mock change

* fix bulk of tests

* fix staking tests

* test obsolecence mechanic

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>

* some more style nits

* a couple more nits

* tweak tries

* fix typo thie -> this
This commit is contained in:
Robert Habermeier
2019-07-08 14:36:46 +02:00
committed by GitHub
parent bb7ff32e77
commit 7df8e52cfe
23 changed files with 1188 additions and 341 deletions
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substrate/node/runtime/src/lib.rs
+17 -4
View File
@@ -34,7 +34,7 @@ use client::{
block_builder::api::{self as block_builder_api, InherentData, CheckInherentsResult},
runtime_api as client_api, impl_runtime_apis
};
use runtime_primitives::{ApplyResult, generic, create_runtime_str};
use runtime_primitives::{ApplyResult, impl_opaque_keys, generic, create_runtime_str, key_types};
use runtime_primitives::transaction_validity::TransactionValidity;
use runtime_primitives::traits::{
BlakeTwo256, Block as BlockT, DigestFor, NumberFor, StaticLookup, Convert,
@@ -54,7 +54,7 @@ pub use runtime_primitives::BuildStorage;
pub use timestamp::Call as TimestampCall;
pub use balances::Call as BalancesCall;
pub use contracts::Gas;
pub use runtime_primitives::{Permill, Perbill, impl_opaque_keys};
pub use runtime_primitives::{Permill, Perbill};
pub use support::StorageValue;
pub use staking::StakerStatus;
@@ -71,7 +71,8 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
// and set impl_version to equal spec_version. If only runtime
// implementation changes and behavior does not, then leave spec_version as
// is and increment impl_version.
spec_version: 104,
spec_version: 105,
impl_version: 105,
apis: RUNTIME_API_VERSIONS,
};
@@ -181,8 +182,12 @@ parameter_types! {
}
type SessionHandlers = (Grandpa, Aura);
impl_opaque_keys! {
pub struct SessionKeys(grandpa::AuthorityId, AuraId);
pub struct SessionKeys {
#[id(key_types::ED25519)]
pub ed25519: GrandpaId,
}
}
// NOTE: `SessionHandler` and `SessionKeys` are co-dependent: One key will be used for each handler.
@@ -197,9 +202,16 @@ impl session::Trait for Runtime {
type ShouldEndSession = session::PeriodicSessions<Period, Offset>;
type Event = Event;
type Keys = SessionKeys;
type ValidatorId = AccountId;
type ValidatorIdOf = staking::StashOf<Self>;
type SelectInitialValidators = Staking;
}
impl session::historical::Trait for Runtime {
type FullIdentification = staking::Exposure<AccountId, Balance>;
type FullIdentificationOf = staking::ExposureOf<Runtime>;
}
parameter_types! {
pub const SessionsPerEra: session::SessionIndex = 6;
pub const BondingDuration: staking::EraIndex = 24 * 28;
@@ -228,6 +240,7 @@ impl staking::Trait for Runtime {
type Reward = ();
type SessionsPerEra = SessionsPerEra;
type BondingDuration = BondingDuration;
type SessionInterface = Self;
}
parameter_types! {