This is useful for both security and performance reasons. IPC is faster
than TCP, and it is subject to OS access controls.

* client: use appropriate ExecutionContext for sync/import

* client: remove dead code

* client: ExecutionContext: distinguish between own and foreign imports

* client: fix cli parameter doc

* Revert "client: ExecutionContext: distinguish between own and foreign imports"

This reverts commit 0fac11520704c364a82432c5b927e987ba043cdb.

* primitives: add docs for ExecutionContext

* cli: execution strategy docs

* cli: use different execution context for importing block on validator

* cli: remove defaults from execution context flags

* transaction-pool: expose blocking api for tx submission

* service: separate ServiceBuilder::build for full and light

* service: add ServiceBuilder::build_common

* transaction-pool: extend docs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

Add a feature to create automatically a random temporary directory for base path & remove `Clone` (#6221)

* Initial commit

Forked at: 4adac40c
Parent branch: origin/master

* Add a feature to create automatically a temporary directory for base path

* doc fix and todos

* use parking_lot instead

* use refcell instead since we stay in the main thread

* remove Clone derives

* add test

* solving dependency issue

* clarifying doc

* conflict argument with base-path

* WIP

Forked at: 4adac40c


Parent branch: origin/master

* revert dep deletion

* fixing test and making base_path optional

* hold basepath while the service is running

* fixes

* Update client/cli/src/params/shared_params.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/Cargo.toml

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/cli/src/commands/mod.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/config.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* WIP

Forked at: 4adac40c


Parent branch: origin/master

* improve doc

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* sc-light

* remove unused deps

* fix line width

* move more fns to sc_light

* Initial commit

Forked at: 1d93746b
Parent branch: origin/master

* Add a Service Configuration's field + adapt informant + provide means to CLI

* CLEANUP

Forked at: 1d93746b
Parent branch: origin/master

* fix tests

* fixed bad path to object

* Change OutputFormat enum to struct

* Add informant_prefix to builder and service

* Revert "Change OutputFormat enum to struct"

This reverts commit cd86c583c92668426c35cc174401155bf2880c1f.

* Revert "fix tests"

This reverts commit a3c306ebe94720f350c5bc74b9c5fcde2565d340.

* Revert "Add a Service Configuration's field + adapt informant + provide means to CLI"

This reverts commit 9c2e7267423305705916c30d605893524113c8e3.

* Implementation using the ServiceBuilder

* reduce line length

* fix line width again

* WIP

Forked at: 1d93746b
Parent branch: origin/master

* WIP

Forked at: 1d93746b
Parent branch: origin/master

* WIP

Forked at: 1d93746b
Parent branch: origin/master

* use struct instead of enum

* WIP

Forked at: 1d93746b


Parent branch: origin/master

* Update client/service/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* improve doc

* Update client/service/src/builder.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/builder.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* change code

* Update client/informant/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* enable_color

* reorg log

* remove macro

* Removed builder for informant prefix

* fix doc

* Update client/informant/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/informant/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/informant/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/informant/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/builder.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/builder.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/builder.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Bump jsonrpc pubsub, core, http, and ws

Right now these are the packages which _need_ to be updated
so I can just the latest `jsonrpc-pubsub` code. Once a release
it cut upstream the rest of the dependencies should be updated
as well.

* Use jsonrpc-pubsub's SubscriptionManager

This places sc-rpc-api::Subscriptions

* Bump jsonrpc-core outside of sc-rpc-*

* Update client/rpc tests

Right now one of the `author` tests is failing, I
need to think a bit about how best to fix it.

* Remove Subscriptions manager

There's no need for this implementation since we're
using the one from `jsonrpc-pubsub` now

* Fix author RPC test

This test used to check for a numerial subscription ID,
whereas now it uses a string based ID which is the default
provided by `jsonrpc-pubsub`'s subscription manager.

* Remove unused NumericIdProvider

* Add missing bracket

Removed one too many with that last one, lol

* Bump `jsonrpc` to v14.2

There's an exception though. `jsonrpc-derive` cannot be bumped
past v14.0.5 just yet since it has a dependency on `quote` pinned
to v1.0.1. This means that at the moment it won't build on Substrate
since it's using v1.0.3.

* Track `jsonrpc-derive` master branch

* Bump `quote` version to v1.0.6

* Bump `jsonrpc-derive` to v14.2.1

This includes support for `quote` v1.0.6

* Use exact version for jsonrpc crates

Doing this to make sure any updates in jsonrpc don't
accidently trickle down to Polkadot.

Co-authored-by: André Silva <andre.beat@gmail.com>

The `tree_route` generated by the import notification is only from the
old best block to the new best parent. This means, it does not contain
the new best block in `enacted()`. We need to prune the transactions of
the new best block "manually" to fix this bug.

Besides that, this pr also changed the `id` parameter of the `NewBlock`
chain event to `hash`. The hash of a block is unique in contrast to the
block number. (Block id can either be number or hash)

* Fix the metered unbounded sender/recievers

* Use a counter instead

* Update client/rpc/src/system/tests.rs

* Add an is_terminated check

* Add FusedStream impl

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Make tx pool aware of retracted fork blocks

* Make it compile

* Update client/transaction-pool/src/lib.rs

Co-authored-by: Nikolay Volf <nikvolf@gmail.com>

* Fix doc test

* Simplify the implementation

* Send tree route as arc to prevent heavy clones

* Switch to use `ExtrinsicHash` to make it more clear

* Fix benchmark

Co-authored-by: Nikolay Volf <nikvolf@gmail.com>

This reverts commit ea1eb4e5.

* Bump jsonrpc pubsub, core, http, and ws

Right now these are the packages which _need_ to be updated
so I can just the latest `jsonrpc-pubsub` code. Once a release
it cut upstream the rest of the dependencies should be updated
as well.

* Use jsonrpc-pubsub's SubscriptionManager

This places sc-rpc-api::Subscriptions

* Bump jsonrpc-core outside of sc-rpc-*

* Update client/rpc tests

Right now one of the `author` tests is failing, I
need to think a bit about how best to fix it.

* Remove Subscriptions manager

There's no need for this implementation since we're
using the one from `jsonrpc-pubsub` now

* Fix author RPC test

This test used to check for a numerial subscription ID,
whereas now it uses a string based ID which is the default
provided by `jsonrpc-pubsub`'s subscription manager.

* Remove unused NumericIdProvider

* Add missing bracket

Removed one too many with that last one, lol

* Bump `jsonrpc` to v14.2

There's an exception though. `jsonrpc-derive` cannot be bumped
past v14.0.5 just yet since it has a dependency on `quote` pinned
to v1.0.1. This means that at the moment it won't build on Substrate
since it's using v1.0.3.

* Track `jsonrpc-derive` master branch

* Bump `quote` version to v1.0.6

* Bump `jsonrpc-derive` to v14.2.1

This includes support for `quote` v1.0.6

Instead of having the tx pool and offchain worker being feed from the
same import notification stream, this pr splits them to use two
different streams. The first advantage of this split is that the tx pool
will not be spawned anymore in another task and instead will directly
process the notification in the same task. This has the advantage of
being faster when the system is being under load, as the tx pool will
not be waiting for being scheduled to handle the notification.

* Add Delay and info logging

* Switch from Duration to Delay in enum declaration

* Remove sleep from import_blocks fn

* Set back constans and remove unnecessary code

* Fix hot loop

* Reset timer once poll is ready, not when it's pending

* Don't clone values when calculating storage root

Instead of cloning all the keys and values of the overlay when
calculating the storage root, we pass all the values by reference. This
should probably bring some performance improvements when calculating the
storage root.

* no cow version (#6113)

Co-authored-by: cheme <emericchevalier.pro@gmail.com>

* Add BlockStream Enum and utility fn

* WIP: Modify import closure to work with BlockStream

* Fix trait bounds

* Working prototype

* Revamp block importing

* Add export_import_flow tests

* Add comments and clean code

* Add more comments in the import fn

* Add link code to import function

* Add condition when returning Ready(Ok(()) to make sure we've imported every block

* Add check for imported blocks in JSON case

* Use rest pattern

* Fix compilation error for undeclared variable

* Add polling and waker before pending

* Print read_block_count instead of count

* Simplify binary cli option with structopt

* Update test to reflect changes in CLI api

* Change Stream to take SignedBlock<B> instead of B

* Add comments to BlockStream

* Move out logic to smaller functions for clearer code

* Remove result over import_blocks return type

* Check for error in command output rather than simply checking command exit status

* Revamp export/import/revert testing

* Fix minor typos and formatting errors

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Remove unnecessary if condition in terminating condition

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Explicit error instead of returning it as a string

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Pass BlockStream to log_importing_status_updates and simplify matching arms for block stream

* Use .contains() instead of regex match

* Line break in match block; return future::ready instead of poll_fn

* Update Cargo.lock

* Add check so that queue doesn't grow too big

* Use Iterator instead of Stream

* Remove allow dead_code

* Remove outdated comments

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Return Errors instead of logging them

* Simplify match arms

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Remove check before terminating block import

* Apply suggestions from code review

* Check that queue is not full BEFORE calling

* Revert "Remove check before terminating block import"

This reverts commit 377823c0a648a3eb2e61185a257a61023067893d.

* Improve unit tests to make sure we actually import blocks

* Remove Unpin implementation for BlockIter

* Add prototype of enum for ImportStates

* Add working prototype for StateMachine

* Add comments for clearer code

* Add sleep before calling Waker when waiting for import queue

* Add Speedometer

* add dbg!(&log) for test debugging

* Fix lines with more than 100 cols

* Fix regex capture for test

* Update regexes to take to capture the whole number

* Rename Cmd to Command

Co-authored-by: Gavin Wood <gavin@parity.io>

* Actually rename Cmd to Command

* Apply suggestions from code review

Co-authored-by: Gavin Wood <gavin@parity.io>

* Fix compilation errors for tests

* Fix compilation errors from code review suggestion

* Update bin/node/cli/tests/export_import_flow.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Gavin Wood <gavin@parity.io>
Co-authored-by: Benjamin Kampmann <ben@gnunicorn.org>

* service: pass DenyUnsafe to rpc extensions

* node: add DenyUnsafe to rpc full node dependencies

* client: fix whitespace in rpc policy file

* babe: treat epochAuthorship rpc method as unsafe

* babe: add test for unsafe rpc method

* babe: rename babe rpc handler

* service: traitify rpc extension builder

* service: make the rpc extensions builder api non-breaking

* service: revert changes from light node rpc extensions builder

* node: remove unnecessary type in service creation

* service: cleanup with_rpc_extensions implementation

* service: add missing docs to RpcExtensionBuilder

* remove on_block_imported

* Update client/network/src/service.rs

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>

Instead of informing the telemetry about each block that is finalized,
we only need to send the last finalized block. This removes log spam on
initial sync.

* Spawn the network worker with spawn_blocking

* Some comment adjustments

* Fix shutdown not working

* change propagation

* add bound

* Initial commit

Forked at: 9acf88f5
Parent branch: origin/master

* Improve error message when essential task failed

* client: Replace `unsafe_rpc_expose` with an `RpcMethods` enum

which can be either Default, Safe or Unsafe. The idea is to have the
following:
|                       | --rpc-external=false  | --rpc-external=true   |
|---------------------  |-------------------    |-----------------      |
| --rpc-methods=Default |                       | unsafe calls denied   |
| --rpc-methods=Safe    | unsafe calls denied   | unsafe calls denied   |
| --rpc-methods=Unsafe  |                       |                       |
Since the previous `unsafe-rpc-expose` option was confusing.

* client: Only warn against exposing externally unsafe RPC method set

* Apply suggestions from code review

Co-Authored-By: Cecile Tonglet <cecile.tonglet@cecton.com>

* cli: Rephrase doc comment for rpc_methods config

* Improve debuggability of build_spec_works

...by printing to stderr the stderr of the command. This is normally
suppressed for succesful tests but not for failing ones - if that's the
case then it's useful to see the test failure reason inline rather than
having to execute the command separately ourselves.

* Rename RpcMethods::{Default => Auto} variant

* Update bin/node/cli/tests/build_spec_works.rs

Co-authored-by: Benjamin Kampmann <ben.kampmann@googlemail.com>
Co-authored-by: Cecile Tonglet <cecile.tonglet@cecton.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Expose that `BasicQueue` expects blocking spawn

Up to now `BasicQueue` expected a closure that to spawn a `Future`.
This was expected to be a closure that spawns a blocking future.
However, this wasn't documented anywhere. This pr introduces a new trait
`SpawnBlocking` that exposes this requirement to the outside.

* Feedback

* Use header cache for state_at

* Fixed warnings

* Update client/db/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Report tasks panics in metrics

* Renames

* Renames

* Export state cli

* More work

* Fix tests

* Make it work

* Fix compilation

* Apply suggestions from code review

* Spawn tasks instead of pushing them to background_tasks

* Remove unnecessary mut keyword for self

* Remove background_tasks field in ServiceBuilder

Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com>

* Drop client from sc-network and sc-client-db, move LongestChain to sc-client-api

* move leaves, cht, in_mem to sc-client-api, drop client from sc-finality-grandpa

* drop sc-service from sc-rpc

* drop sc-service from sc-consensus-aura

* drop sc-client from manual-seal and babe

* drop sc-client from utils/frame/rpc/system and utils/frame/benchmarking-cli

* drop sc-client from bin/node and bin/node-template

* drop sc-client

* fix tests

* remove check -p sc-client from gitlab.yml

* fix warnings

* fixes ui test

* fix light client tests

* adds associated Client type to AbstractService

* adds UsageProvider to Client

* fixed ui test, again

* tried and failed to get node-cli to compile for wasm

* thanks to tomaka for helping me get node-cli to compile for wasmm

* ui test pls pas 



* all tests passing 🪄

* no_run documentation code

* rm -f documentation code

* ClientProvider

* fix mega trait

* move LongestChain to sc-consensus, use adds minimal bounds to AbstractService::Client

* adds license to sc-consensus

Co-authored-by: Benjamin Kampmann <ben@parity.io>

* Initial commit

Forked at: 64ed36d0
Parent branch: origin/master

* Add method with_default_block_announcer to ServiceBuilder

Co-Authored-By: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>