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rpc: Use the blocks pinning API for chainHead methods (#13233)
* 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>
This commit is contained in:
Alexandru Vasile
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// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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use sp_blockchain::Error;
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/// Subscription management error.
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#[derive(Debug, thiserror::Error)]
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pub enum SubscriptionManagementError {
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/// The block cannot be pinned into memory because
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/// the subscription has exceeded the maximum number
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/// of blocks pinned.
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#[error("Exceeded pinning limits")]
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ExceededLimits,
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/// Error originated from the blockchain (client or backend).
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#[error("Blockchain error {0}")]
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Blockchain(Error),
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/// The database does not contain a block hash.
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#[error("Block hash is absent")]
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BlockHashAbsent,
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/// The database does not contain a block header.
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#[error("Block header is absent")]
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BlockHeaderAbsent,
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/// The specified subscription ID is not present.
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#[error("Subscription is absent")]
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SubscriptionAbsent,
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/// Custom error.
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#[error("Subscription error {0}")]
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Custom(String),
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}
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// Blockchain error does not implement `PartialEq` needed for testing.
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impl PartialEq for SubscriptionManagementError {
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fn eq(&self, other: &SubscriptionManagementError) -> bool {
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match (self, other) {
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(Self::ExceededLimits, Self::ExceededLimits) |
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// Not needed for testing.
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(Self::Blockchain(_), Self::Blockchain(_)) |
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(Self::BlockHashAbsent, Self::BlockHashAbsent) |
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(Self::BlockHeaderAbsent, Self::BlockHeaderAbsent) |
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(Self::SubscriptionAbsent, Self::SubscriptionAbsent) => true,
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(Self::Custom(lhs), Self::Custom(rhs)) => lhs == rhs,
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_ => false,
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}
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}
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}
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impl From<Error> for SubscriptionManagementError {
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fn from(err: Error) -> Self {
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SubscriptionManagementError::Blockchain(err)
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}
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}
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