* rpc/chain_head: Add backend to subscription management Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Pin blocks internally and adjust testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * client/in_mem: Reference for the number of pinned blocks Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/tests: Check in-memory references to pinned blocks Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Remove unused comment Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Place subscription handle under `Arc` and unpin blocks on drop Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/tests: Check all pinned blocks are unpinned on drop Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Apply suggestions from code review Co-authored-by: Bastian Köcher <git@kchr.de> * Update client/rpc-spec-v2/src/chain_head/subscription.rs Co-authored-by: Bastian Köcher <git@kchr.de> * rpc/tests: Retry fetching the pinned references for CI correctness Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * client/service: Use 512 as maximum number of pinned blocks Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * chain_head: Fix merging conflicts Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Adjust subscriptions to use pinning API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head/tests: Test subscription management Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Adjust chain_head follow to the new API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Adjust chain_head.rs to the new API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head/tests: Adjust test.rs to the new API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * client/builder: Use new chainHead API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Fix documentation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc/chain_head: Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * client/in_mem: ChainHead no longer uses `in_mem::children` Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update client/rpc-spec-v2/src/chain_head/subscription.rs Co-authored-by: Sebastian Kunert <skunert49@gmail.com> * Update client/rpc-spec-v2/src/chain_head/subscription.rs Co-authored-by: Sebastian Kunert <skunert49@gmail.com> * Update client/rpc-spec-v2/src/chain_head/subscription.rs Co-authored-by: Sebastian Kunert <skunert49@gmail.com> * Update client/rpc-spec-v2/src/chain_head/subscription.rs Co-authored-by: Sebastian Kunert <skunert49@gmail.com> * chain_head: Add block state machine Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Address feedback Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use new_native_or_wasm_executor Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * chain_head: Remove 'static on Backend Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * chain_head: Add documentation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * chain_head: Lock blocks before async blocks Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * chain_head_follower: Remove static on backend Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update client/service/src/builder.rs Co-authored-by: Davide Galassi <davxy@datawok.net> * Update client/service/src/builder.rs Co-authored-by: Davide Galassi <davxy@datawok.net> * chain_head: Add BlockHeaderAbsent to the PartialEq impl Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * client: Add better documentation around pinning constants Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * chain_head: Move subscription to dedicated module Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subscription: Rename global pin / unpin functions Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> Co-authored-by: Bastian Köcher <git@kchr.de> Co-authored-by: parity-processbot <> Co-authored-by: Sebastian Kunert <skunert49@gmail.com> Co-authored-by: Davide Galassi <davxy@datawok.net>
Substrate ·

Substrate is a next-generation framework for blockchain innovation 🚀.
Getting Started
Head to docs.substrate.io and follow the installation instructions. Then try out one of the tutorials. Refer to the Docker instructions to quickly run Substrate, Substrate Node Template, Subkey, or to build a chain spec.
Community & Support
Join the highly active and supportive community on the Substrate Stack Exchange to ask questions about use and problems you run into using this software. Please do report bugs and issues here for anything you suspect requires action in the source.
Contributions & Code of Conduct
Please follow the contributions guidelines as outlined in docs/CONTRIBUTING.adoc.
In all communications and contributions, this project follows the Contributor Covenant Code of Conduct.
Security
The security policy and procedures can be found in docs/SECURITY.md.
License
- Substrate Primitives (
sp-*), Frame (frame-*) and the pallets (pallets-*), binaries (/bin) and all other utilities are licensed under Apache 2.0. - Substrate Client (
/client/*/sc-*) is licensed under GPL v3.0 with a classpath linking exception.
The reason for the split-licensing is to ensure that for the vast majority of teams using Substrate to create feature-chains, then all changes can be made entirely in Apache2-licensed code, allowing teams full freedom over what and how they release and giving licensing clarity to commercial teams.
In the interests of the community, we require any deeper improvements made to Substrate's core logic (e.g. Substrate's internal consensus, crypto or database code) to be contributed back so everyone can benefit.
