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chainHead: Limit ongoing operations (#14699)

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* chainHead/api: Make storage/body/call pure RPC methods

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Add mpsc channel between RPC methods

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/subscriptions: Extract mpsc::Sender via BlockGuard

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/subscriptions: Generate and provide the method operation ID

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Generate `chainHead_body` response

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Generate `chainHead_call` response

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Generate `chainHead_storage` responses

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Propagate responses of methods to chainHead_follow

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Adjust `chainHead_body` responses

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Adjust `chainHead_call` responses

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Adjust `chainHead_call` responses

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Ensure unique operation IDs across methods

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/events: Remove old method events

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/subscriptions: Add limit helper

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/subscription: Expose limits to `BlockGuard`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Adjust testing to ongoing operations

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Make limits configurable via `ChainHeadConfig`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Adjust testing to `ChainHeadConfig`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/tests: Ensure operation limits discards items

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Improve documentation

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Rename `OngoingOperations` -> `LimitOperations`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Rename reserve -> reserve_at_most

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead: Use duration const instead of u64

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* chainHead/subscription: Use tokio::sync::Semaphore for limits

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update client/rpc-spec-v2/src/chain_head/subscription/inner.rs

Co-authored-by: Sebastian Kunert <skunert49@gmail.com>

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Co-authored-by: parity-processbot <>
Co-authored-by: Sebastian Kunert <skunert49@gmail.com>
This commit is contained in:
Alexandru Vasile
2023-08-15 15:17:41 +03:00
committed by GitHub
parent 0146cb2ffe
commit 744b783a7d
8 changed files with 394 additions and 100 deletions
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substrate/client/rpc-spec-v2/src/chain_head/subscription/error.rs
+4 -4
View File
@@ -21,10 +21,10 @@ use sp_blockchain::Error;
/// Subscription management error.
#[derive(Debug, thiserror::Error)]
pub enum SubscriptionManagementError {
/// The block cannot be pinned into memory because
/// the subscription has exceeded the maximum number
/// of blocks pinned.
#[error("Exceeded pinning limits")]
/// The subscription has exceeded the internal limits
/// regarding the number of pinned blocks in memory or
/// the number of ongoing operations.
#[error("Exceeded pinning or operation limits")]
ExceededLimits,
/// Error originated from the blockchain (client or backend).
#[error("Blockchain error {0}")]