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Merge branch 'master' into rh-grandpa-dynamic2

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Robert Habermeier
2018-11-14 14:32:30 +01:00
parent 876969d6f0 7f8ee0f53b
commit e37ab01482
235 changed files with 9413 additions and 3020 deletions
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substrate/core/finality-grandpa/primitives/src/lib.rs
+22 -23
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@@ -26,7 +26,7 @@ extern crate parity_codec;
extern crate parity_codec_derive;
#[macro_use]
extern crate sr_api;
extern crate substrate_client as client;
use substrate_primitives::AuthorityId;
use sr_primitives::traits::{Block as BlockT, DigestFor, NumberFor};
@@ -48,34 +48,33 @@ pub const AUTHORITIES_CALL: &str = "grandpa_authorities";
/// The ApiIds for GRANDPA API.
pub mod id {
use sr_api::ApiId;
use client::runtime_api::ApiId;
/// ApiId for the GrandpaApi trait.
pub const GRANDPA_API: ApiId = *b"fgrandpa";
}
decl_apis! {
/// APIs for integrating the GRANDPA finality gadget into runtimes.
/// APIs for integrating the GRANDPA finality gadget into runtimes.
/// This should be implemented on the runtime side.
///
/// This is primarily used for negotiating authority-set changes for the
/// gadget. GRANDPA uses a signalling model of changing authority sets:
/// changes should be signalled with a delay of N blocks, and then automatically
/// applied in the runtime after those N blocks have passed.
///
/// The consensus protocol will coordinate the handoff externally.
pub trait GrandpaApi<B: BlockT> {
/// Check a digest for pending changes.
/// Return `None` if there are no pending changes.
///
/// This is primarily used for negotiating authority-set changes for the
/// gadget. GRANDPA uses a signalling model of changing authority sets:
/// changes should be signalled with a delay of N blocks, and then automatically
/// applied in the runtime after those N blocks have passed.
/// Precedence towards earlier or later digest items can be given
/// based on the rules of the chain.
///
/// The consensus protocol will coordinate the handoff externally.
pub trait GrandpaApi<B: BlockT> {
/// Check a digest for pending changes.
/// Return `None` if there are no pending changes.
///
/// Precedence towards earlier or later digest items can be given
/// based on the rules of the chain.
///
/// No change should be scheduled if one is already and the delay has not
/// passed completely.
fn grandpa_pending_change(digest: DigestFor<B>) -> Option<ScheduledChange<NumberFor<B>>>;
/// No change should be scheduled if one is already and the delay has not
/// passed completely.
fn grandpa_pending_change(digest: DigestFor<B>) -> Option<ScheduledChange<NumberFor<B>>>;
/// Get the current GRANDPA authorities and weights. This should not change except
/// for when changes are scheduled and the corresponding delay has passed.
fn grandpa_authorities() -> Vec<(AuthorityId, u64)>;
}
/// Get the current GRANDPA authorities and weights. This should not change except
/// for when changes are scheduled and the corresponding delay has passed.
fn grandpa_authorities() -> Vec<(AuthorityId, u64)>;
}