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srml/authority-discovery: Abstract session key type (#3698)

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* srml/authority-discovery: Abstract session key type

Previously `srml/authority-discovery` dependet on the `srml/im-online`
session key type directly. With this patch `srml/authority-discovery` is
generic over the session key type it is going to use, as long as it
implements the RuntimeAppPublic trait.

With this patch one can use the `srml/authority-discovery` module
without the `srml/im-online` module.

Next to the above, this patch configures `node/runtime` to use the babe
session keys for the authority discovery module.

* srml/authority-discovery: Fix line length

* srml/authority-discovery/Cargo: Move babe to dev-dependencies

* node/runtime: Bump implementation version

* srml/authority-discovery: Add doc comment for authority discovery Trait
This commit is contained in:
Max Inden
2019-10-01 12:28:19 +02:00
committed by André Silva
parent 387c31598d
commit a7b1284fb7
4 changed files with 54 additions and 54 deletions
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substrate/node/runtime/src/lib.rs
+9 -7
View File
@@ -29,7 +29,7 @@ use node_primitives::{
AccountId, AccountIndex, Balance, BlockNumber, Hash, Index,
Moment, Signature, ContractExecResult,
};
use babe_primitives::{AuthorityId as BabeId};
use babe_primitives::{AuthorityId as BabeId, AuthoritySignature as BabeSignature};
use grandpa::fg_primitives;
use client::{
block_builder::api::{self as block_builder_api, InherentData, CheckInherentsResult},
@@ -50,7 +50,7 @@ use elections::VoteIndex;
use version::NativeVersion;
use primitives::OpaqueMetadata;
use grandpa::{AuthorityId as GrandpaId, AuthorityWeight as GrandpaWeight};
use im_online::sr25519::{AuthorityId as ImOnlineId, AuthoritySignature as ImOnlineSignature};
use im_online::sr25519::{AuthorityId as ImOnlineId};
use authority_discovery_primitives::{AuthorityId as EncodedAuthorityId, Signature as EncodedSignature};
use codec::{Encode, Decode};
use system::offchain::TransactionSubmitter;
@@ -84,8 +84,8 @@ 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: 167,
impl_version: 167,
spec_version: 168,
impl_version: 168,
apis: RUNTIME_API_VERSIONS,
};
@@ -437,7 +437,9 @@ impl offences::Trait for Runtime {
type OnOffenceHandler = Staking;
}
impl authority_discovery::Trait for Runtime {}
impl authority_discovery::Trait for Runtime {
type AuthorityId = BabeId;
}
impl grandpa::Trait for Runtime {
type Event = Event;
@@ -635,12 +637,12 @@ impl_runtime_apis! {
}
fn verify(payload: &Vec<u8>, signature: &EncodedSignature, authority_id: &EncodedAuthorityId) -> bool {
let signature = match ImOnlineSignature::decode(&mut &signature.0[..]) {
let signature = match BabeSignature::decode(&mut &signature.0[..]) {
Ok(s) => s,
_ => return false,
};
let authority_id = match ImOnlineId::decode(&mut &authority_id.0[..]) {
let authority_id = match BabeId::decode(&mut &authority_id.0[..]) {
Ok(id) => id,
_ => return false,
};