Allow for customisation of chain selection systems (#2240)

* move SelectChain trait out of client

* Extend SelectChain, move longest chain implementation into it

* Bring SelectChain into service

* implement LongestChain SelectChain

* implement longest chain for node

* update Cargo.lock's

* in between erroring tests

* deprecate ::backend and ::import_lock

* Remove unneded space

Co-Authored-By: gnunicorn <ben.kampmann@googlemail.com>

* Remove unneded space

Co-Authored-By: gnunicorn <ben.kampmann@googlemail.com>

* Fixes test compilation

* remove todo

* re-enable client test

* add doc

* fixing tests

* Clarify SelectChain Interface, intended implementation and usage

* minor components cleanups

* minor cleanups

* Update lock files

* Implement cleaner interface for SelectChain

* addressing comments

* Updating tests

* bump node runtime impl version

* address grumbles
This commit is contained in:
Benjamin Kampmann
2019-05-10 14:08:12 +02:00
committed by Gavin Wood
parent 32fdeed21c
commit 18ca0170c3
22 changed files with 717 additions and 339 deletions
@@ -40,6 +40,7 @@ pub use inherents::InherentData;
pub mod offline_tracker;
pub mod error;
mod block_import;
mod select_chain;
pub mod import_queue;
pub mod evaluation;
@@ -50,6 +51,7 @@ pub use self::error::{Error, ErrorKind};
pub use block_import::{
BlockImport, BlockOrigin, ForkChoiceStrategy, ImportedAux, ImportBlock, ImportResult, JustificationImport,
};
pub use select_chain::SelectChain;
/// Trait for getting the authorities at a given block.
pub trait Authorities<B: Block> {