Currently `transfer_assets` from pallet-xcm covers 4 main different
transfer types:
- `localReserve`
- `DestinationReserve`
- `Teleport`
- `RemoteReserve`

For the first three, the local execution and the remote message sending
are separated, and fees are deducted in pallet-xcm itself:
https://github.com/paritytech/polkadot-sdk/blob/3410dfb3

/polkadot/xcm/pallet-xcm/src/lib.rs#L1758.

For the 4th case `RemoteReserve`, pallet-xcm is still relying on the
xcm-executor itself to send the message (through the
`initiateReserveWithdraw` instruction). In this case, if delivery fees
need to be charged, it is not possible to do so because the
`jit_withdraw` mode has not being set.

This PR proposes to still use the `initiateReserveWithdraw` but
prepending a `setFeesMode { jit_withdraw: true }` to make sure delivery
fees can be paid.

A test-case is also added to present the aforementioned case

---------

Co-authored-by: Adrian Catangiu <[email protected]>

We do not need to make these traits generic over QueryId type, we can
just use the QueryId alias everywhere

Make sure explicitly set by the operator public addresses go first in
the authority discovery DHT records.

Also update `Discovery` behavior to eliminate duplicates in the returned
addresses.

This PR should improve situation with
https://github.com/paritytech/polkadot-sdk/issues/3519.

Obsoletes https://github.com/paritytech/polkadot-sdk/pull/3657.

Good day,

I'm seeking to add the following bootnodes for Kusama and Polkadot's
relay and system chains. The following commands can be used to test
connectivity. All node keys are backed up.

Polkadot:
```
polkadot --chain polkadot --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-polkadot.luckyfriday.io/tcp/443/wss/p2p/12D3KooWAdyiVAaeGdtBt6vn5zVetwA4z4qfm9Fi2QCSykN1wTBJ" --no-hardware-benchmarks
```


Assethub-Polkadot:

```
polkadot-parachain --chain asset-hub-polkadot --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-polkadot-assethub.luckyfriday.io/tcp/443/wss/p2p/12D3KooWDR9M7CjV1xdjCRbRwkFn1E7sjMaL4oYxGyDWxuLrFc2J" --no-hardware-benchmarks

```

Bridgehub-Polkadot:

```
polkadot-parachain --chain bridge-hub-polkadot --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-polkadot-bridgehub.luckyfriday.io/tcp/443/wss/p2p/12D3KooWKf3mBXHjLbwtPqv1BdbQuwbFNcQQYxASS7iQ25264AXH" --no-hardware-benchmarks

```
Collectives-Polkadot

```
polkadot-parachain --chain collectives-polkadot --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-polkadot-collectives.luckyfriday.io/tcp/443/wss/p2p/12D3KooWCzifnPooTt4kvTnXT7FTKTymVL7xn7DURQLsS2AKpf6w" --no-hardware-benchmarks

```
Kusama:

```
polkadot --chain kusama --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-kusama.luckyfriday.io/tcp/443/wss/p2p/12D3KooWS1Lu6DmK8YHSvkErpxpcXmk14vG6y4KVEFEkd9g62PP8" --no-hardware-benchmarks

```
Assethub-Kusama:

```
polkadot-parachain --chain asset-hub-kusama --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-kusama-assethub.luckyfriday.io/tcp/443/wss/p2p/12D3KooWSwaeFs6FNgpgh54fdoxSDAA4nJNaPE3PAcse2GRrG7b3" --no-hardware-benchmarks
```

Bridgehub-Kusama:

```
polkadot-parachain --chain bridge-hub-kusama --base-path /tmp/node --name "Boot" --reserved-only --reserved-nodes "/dns/boot-kusama-bridgehub.luckyfriday.io/tcp/443/wss/p2p/12D3KooWQybw6AFmAvrFfwUQnNxUpS12RovapD6oorh2mAJr4xyd" --no-hardware-benchmarks
```

Co-authored-by: Bastian Köcher <[email protected]>

Based on issue
[#2512](https://github.com/paritytech/polkadot-sdk/issues/2512), it
seems that some ecosystem teams are using these networks to set up their
staging environments and test certain use cases, some of them involving
sending XCMs from the relay with origins not allowed in the current
configuration.

This change reverts the configuration of `SendXcmOrigin`.

---------

Co-authored-by: Adrian Catangiu <[email protected]>

Small refactoring to reduce the algorithmic complexity of the initial
message distribution in approval voting after a sync from O(n_candidates
^ 2) to O(n_candidates).

Changes needed to implement the runtime part of elastic scaling:
https://github.com/paritytech/polkadot-sdk/issues/3131,
https://github.com/paritytech/polkadot-sdk/issues/3132,
https://github.com/paritytech/polkadot-sdk/issues/3202

Also fixes https://github.com/paritytech/polkadot-sdk/issues/3675

TODOs:

- [x] storage migration
- [x] optimise process_candidates from O(N^2)
- [x] drop backable candidates which form cycles
- [x] fix unit tests
- [x] add more unit tests
- [x] check the runtime APIs which use the pending availability storage.
We need to expose all of them, see
https://github.com/paritytech/polkadot-sdk/issues/3576
- [x] optimise the candidate selection. we're currently picking randomly
until we satisfy the weight limit. we need to be smart about not
breaking candidate chains while being fair to all paras -
https://github.com/paritytech/polkadot-sdk/pull/3573

Relies on the changes made in
https://github.com/paritytech/polkadot-sdk/pull/3233 in terms of the
inclusion policy and the candidate ordering

---------

Signed-off-by: alindima <[email protected]>
Co-authored-by: command-bot <>
Co-authored-by: eskimor <[email protected]>

This PR backports:
- node version bump
- `spec_vesion` bump
- reordering of the `prdocs` to the appropriate folder
from the `1.9.0` release branch

Step in https://github.com/paritytech/polkadot-sdk/issues/3688

We witnessed really poor performance on Rococo, where we ended up with
50 on-demand cores. This was due to the fact that for each core the full
queue was processed. With this change full queue processing will happen
way less often (most of the time complexity is O(1) or O(log(n))) and if
it happens then only for one core (in expectation).

Also spot price is now updated before each order to ensure economic back
pressure.


TODO:

- [x] Implement
- [x] Basic tests
- [x] Add more tests (see todos)
- [x] Run benchmark to confirm better performance, first results suggest
> 100x faster.
- [x] Write migrations
- [x] Bump scale-info version and remove patch in Cargo.toml
- [x] Write PR docs: on-demand performance improved, more on-demand
cores are now non problematic anymore. If need by also the max queue
size can be increased again. (Maybe not to 10k)

Optional: Performance can be improved even more, if we called
`pop_assignment_for_core()`, before calling `report_processed` (Avoid
needless affinity drops). The effect gets smaller the larger the claim
queue and I would only go for it, if it does not add complexity to the
scheduler.

---------

Co-authored-by: eskimor <[email protected]>
Co-authored-by: antonva <[email protected]>
Co-authored-by: command-bot <>
Co-authored-by: Anton Vilhelm Ásgeirsson <[email protected]>
Co-authored-by: ordian <[email protected]>

The PR adds two things:
1. Runtime API exposing the whole claim queue
2. Consumes the API in `collation-generation` to fetch the next
scheduled `ParaEntry` for an occupied core.

Related to https://github.com/paritytech/polkadot-sdk/issues/1797

Introduces `CryptoBytes` type defined as:

```rust
pub struct CryptoBytes<const N: usize, Tag = ()>(pub [u8; N], PhantomData<fn() -> Tag>);
```

The type implements a bunch of methods and traits which are typically
expected from a byte array newtype
(NOTE: some of the methods and trait implementations IMO are a bit
redundant, but I decided to maintain them all to not change too much
stuff in this PR)

It also introduces two (generic) typical consumers of `CryptoBytes`:
`PublicBytes` and `SignatureBytes`.

```rust
pub struct PublicTag;
pub PublicBytes<const N: usize, CryptoTag> = CryptoBytes<N, (PublicTag, CryptoTag)>;

pub struct SignatureTag;
pub SignatureBytes<const N: usize, CryptoTag> = CryptoBytes<N, (SignatureTag, CryptoTag)>;
```

Both of them use a tag to differentiate the two types at a higher level.
Downstream specializations will further specialize using a dedicated
crypto tag. For example in ECDSA:


```rust
pub struct EcdsaTag;

pub type Public = PublicBytes<PUBLIC_KEY_SERIALIZED_SIZE, EcdsaTag>;
pub type Signature = PublicBytes<PUBLIC_KEY_SERIALIZED_SIZE, EcdsaTag>;
```

Overall we have a cleaner and most importantly **consistent** code for
all the types involved

All these details are opaque to the end user which can use `Public` and
`Signature` for the cryptos as before

On top of #3302.

We want the validators to upgrade first before we add changes to the
collation side to send the new variants, which is why this part is
extracted into a separate PR.

The detection of when to send the parent head is based on the core
assignments at the relay parent of the candidate. We probably want to
make it more flexible in the future, but for now, it will work for a
simple use case when a para always has multiple cores assigned to it.

---------

Signed-off-by: Matteo Muraca <[email protected]>
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: Matteo Muraca <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Juan Ignacio Rios <[email protected]>
Co-authored-by: Branislav Kontur <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>

Part of #3326 

cc @Kianenigma @ggwpez @liamaharon

 

polkadot address: 12poSUQPtcF1HUPQGY3zZu2P8emuW9YnsPduA4XG3oCEfJVp

---------

Signed-off-by: Matteo Muraca <[email protected]>

Closes: https://github.com/paritytech/polkadot-sdk/issues/3704

Currently the xcm-executor returns an `Unimplemented` error if it
receives any HRMP-related instruction.
What I propose here, which is what we are currently doing in our forked
executor at polimec, is to introduce a trait implemented by the executor
which will handle those instructions.

This way, if parachains want to keep the default behavior, they just use
`()` and it will return unimplemented, but they can also implement their
own logic to establish HRMP channels with other chains in an automated
fashion, without requiring to go through governance.

Our implementation is mentioned in the [polkadot HRMP
docs](https://arc.net/l/quote/hduiivbu), and it was suggested to us to
submit a PR to add these changes to polkadot-sdk.

---------

Co-authored-by: Branislav Kontur <[email protected]>
Co-authored-by: command-bot <>

Bumps the known_good_semver group with 3 updates:
[log](https://github.com/rust-lang/log),
[syn](https://github.com/dtolnay/syn) and
[clap](https://github.com/clap-rs/clap).

Updates `log` from 0.4.20 to 0.4.21
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/log/blob/master/CHANGELOG.md">log's
changelog</a>.</em></p>
<blockquote>
<h2>[0.4.21] - 2024-02-27</h2>
<h2>What's Changed</h2>
<ul>
<li>Minor clippy nits by <a
href="https://github.com/nyurik"><code>@​nyurik</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/578">rust-lang/log#578</a></li>
<li>Simplify Display impl by <a
href="https://github.com/nyurik"><code>@​nyurik</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/579">rust-lang/log#579</a></li>
<li>Set all crates to 2021 edition by <a
href="https://github.com/nyurik"><code>@​nyurik</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/580">rust-lang/log#580</a></li>
<li>Various changes based on review by <a
href="https://github.com/Thomasdezeeuw"><code>@​Thomasdezeeuw</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/583">rust-lang/log#583</a></li>
<li>Fix typo in file_static() method doc by <a
href="https://github.com/dimo414"><code>@​dimo414</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/590">rust-lang/log#590</a></li>
<li>Specialize empty key value pairs by <a
href="https://github.com/EFanZh"><code>@​EFanZh</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/576">rust-lang/log#576</a></li>
<li>Fix incorrect lifetime in Value::to_str() by <a
href="https://github.com/peterjoel"><code>@​peterjoel</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/587">rust-lang/log#587</a></li>
<li>Remove some API of the key-value feature by <a
href="https://github.com/Thomasdezeeuw"><code>@​Thomasdezeeuw</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/585">rust-lang/log#585</a></li>
<li>Add logcontrol-log and log-reload by <a
href="https://github.com/swsnr"><code>@​swsnr</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/595">rust-lang/log#595</a></li>
<li>Add Serialization section to kv::Value docs by <a
href="https://github.com/Thomasdezeeuw"><code>@​Thomasdezeeuw</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/593">rust-lang/log#593</a></li>
<li>Rename Value::to_str to to_cow_str by <a
href="https://github.com/Thomasdezeeuw"><code>@​Thomasdezeeuw</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/592">rust-lang/log#592</a></li>
<li>Clarify documentation and simplify initialization of
<code>STATIC_MAX_LEVEL</code> by <a
href="https://github.com/ptosi"><code>@​ptosi</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/594">rust-lang/log#594</a></li>
<li>Update docs to 2021 edition, test by <a
href="https://github.com/nyurik"><code>@​nyurik</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/577">rust-lang/log#577</a></li>
<li>Add &quot;alterable_logger&quot; link to README.md by <a
href="https://github.com/brummer-simon"><code>@​brummer-simon</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/589">rust-lang/log#589</a></li>
<li>Normalize line ending by <a
href="https://github.com/EFanZh"><code>@​EFanZh</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/602">rust-lang/log#602</a></li>
<li>Remove <code>ok_or</code> in favor of <code>Option::ok_or</code> by
<a
href="https://github.com/AngelicosPhosphoros"><code>@​AngelicosPhosphoros</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/607">rust-lang/log#607</a></li>
<li>Use <code>Acquire</code> ordering for initialization check by <a
href="https://github.com/AngelicosPhosphoros"><code>@​AngelicosPhosphoros</code></a>
in <a
href="https://redirect.github.com/rust-lang/log/pull/610">rust-lang/log#610</a></li>
<li>Get structured logging API ready for stabilization by <a
href="https://github.com/KodrAus"><code>@​KodrAus</code></a> in <a
href="https://redirect.github.com/rust-lang/log/pull/613">rust-lang/log#613</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/nyurik"><code>@​nyurik</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/578">rust-lang/log#578</a></li>
<li><a href="https://github.com/dimo414"><code>@​dimo414</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/590">rust-lang/log#590</a></li>
<li><a href="https://github.com/peterjoel"><code>@​peterjoel</code></a>
made their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/587">rust-lang/log#587</a></li>
<li><a href="https://github.com/ptosi"><code>@​ptosi</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/594">rust-lang/log#594</a></li>
<li><a
href="https://github.com/brummer-simon"><code>@​brummer-simon</code></a>
made their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/589">rust-lang/log#589</a></li>
<li><a
href="https://github.com/AngelicosPhosphoros"><code>@​AngelicosPhosphoros</code></a>
made their first contribution in <a
href="https://redirect.github.com/rust-lang/log/pull/607">rust-lang/log#607</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rust-lang/log/commit/3ccdc286fef3076747fe18a2a93658ea4d4ae012"><code>3ccdc28</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/617">#617</a>
from rust-lang/cargo/0.4.21</li>
<li><a
href="https://github.com/rust-lang/log/commit/6153cb289f0e7b80f00ae07dbe5ee41cf3d3fcb0"><code>6153cb2</code></a>
prepare for 0.4.21 release</li>
<li><a
href="https://github.com/rust-lang/log/commit/f0f74946a4bfb02cfc407795a3499c4b69d7a290"><code>f0f7494</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-lang/log/issues/613">#613</a>
from rust-lang/feat/kv-cleanup</li>
<li><a
href="https://github.com/rust-lang/log/commit/2b220bf3b705f2abc0ee591c7eb17972a979da3a"><code>2b220bf</code></a>
clean up structured logging example</li>
<li><a
href="https://github.com/rust-lang/log/commit/646e9ab9917fb79e44b6b36b8375106a1a09766c"><code>646e9ab</code></a>
use original Visitor name for VisitValue</li>
<li><a
href="https://github.com/rust-lang/log/commit/cf85c38d3519745d60e7b891c4b2025050a8389f"><code>cf85c38</code></a>
add needed subfeatures to kv_unstable</li>
<li><a
href="https://github.com/rust-lang/log/commit/73e953905b970ef765a86bf6cbd69bc2c5e2bac4"><code>73e9539</code></a>
fix up capturing of :err</li>
<li><a
href="https://github.com/rust-lang/log/commit/31bb4b0ff36e458c6bef304a336b71f6342ddcc7"><code>31bb4b0</code></a>
move error macros together</li>
<li><a
href="https://github.com/rust-lang/log/commit/ad917118a5e781d0dd60b3a75ba519ce9839ba70"><code>ad91711</code></a>
support field shorthand in macros</li>
<li><a
href="https://github.com/rust-lang/log/commit/90a347bd836873264a393a35bfd90fe478fadae2"><code>90a347b</code></a>
restore removed APIs as deprecated</li>
<li>Additional commits viewable in <a
href="https://github.com/rust-lang/log/compare/0.4.20...0.4.21">compare
view</a></li>
</ul>
</details>
<br />

Updates `syn` from 2.0.50 to 2.0.52
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/syn/releases">syn's
releases</a>.</em></p>
<blockquote>
<h2>2.0.52</h2>
<ul>
<li>Add an expression parser that uses match-arm's boundary rules (<a
href="https://redirect.github.com/dtolnay/syn/issues/1593">#1593</a>)</li>
</ul>
<h2>2.0.51</h2>
<ul>
<li>Resolve non_local_definitions warnings in generated code under rustc
1.78-nightly</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/syn/commit/07ede6a6b31adeb3a18899ada1f352f63b3a36b9"><code>07ede6a</code></a>
Release 2.0.52</li>
<li><a
href="https://github.com/dtolnay/syn/commit/acbcfbc8c113fa1603469c9ad329d061ee74662e"><code>acbcfbc</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1593">#1593</a>
from dtolnay/boundary</li>
<li><a
href="https://github.com/dtolnay/syn/commit/4924a993dce23abe65128ac318dd662d1e2ceef2"><code>4924a99</code></a>
Add an expression parser that uses match-arm's boundary rules</li>
<li><a
href="https://github.com/dtolnay/syn/commit/e06122bf2cfd31bd7f70304694477dd292fe7e1e"><code>e06122b</code></a>
Resolve unnecessary_get_then_check clippy lint</li>
<li><a
href="https://github.com/dtolnay/syn/commit/018fc5a6298491525387910cb359a9ec618abe54"><code>018fc5a</code></a>
Update test suite to nightly-2024-02-27</li>
<li><a
href="https://github.com/dtolnay/syn/commit/5e15a9b412cb1e2df481e3470e1be8defaee4495"><code>5e15a9b</code></a>
Release 2.0.51</li>
<li><a
href="https://github.com/dtolnay/syn/commit/7e0d4e1f43a879078595f0a3876484a1920ab8f8"><code>7e0d4e1</code></a>
Resolve non_local_definitions warning in debug impls</li>
<li><a
href="https://github.com/dtolnay/syn/commit/8667ad97c1d4e75ac1bb323fb5c7849269814145"><code>8667ad9</code></a>
Ignore module_name_repetitions pedantic clippy lint in codegen</li>
<li><a
href="https://github.com/dtolnay/syn/commit/1fc32000e25bf8fda7371071073f91e012ddf808"><code>1fc3200</code></a>
Update test suite to nightly-2024-02-26</li>
<li><a
href="https://github.com/dtolnay/syn/commit/07a2065576b27dcf0c104f56379cc446d2f3824b"><code>07a2065</code></a>
Update test suite to nightly-2024-02-23</li>
<li>See full diff in <a
href="https://github.com/dtolnay/syn/compare/2.0.50...2.0.52">compare
view</a></li>
</ul>
</details>
<br />

Updates `clap` from 4.5.1 to 4.5.3
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/clap-rs/clap/releases">clap's
releases</a>.</em></p>
<blockquote>
<h2>v4.5.3</h2>
<h2>[4.5.3] - 2024-03-15</h2>
<h3>Internal</h3>
<ul>
<li><em>(derive)</em> Update <code>heck</code></li>
</ul>
<h2>v4.5.2</h2>
<h2>[4.5.2] - 2024-03-06</h2>
<h3>Fixes</h3>
<ul>
<li><em>(macros)</em> Silence a warning</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/clap-rs/clap/blob/master/CHANGELOG.md">clap's
changelog</a>.</em></p>
<blockquote>
<h2>[4.5.3] - 2024-03-15</h2>
<h3>Internal</h3>
<ul>
<li><em>(derive)</em> Update <code>heck</code></li>
</ul>
<h2>[4.5.2] - 2024-03-06</h2>
<h3>Fixes</h3>
<ul>
<li><em>(macros)</em> Silence a warning</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/clap-rs/clap/commit/4e07b438584bb8a19e37599d4c5b11797bec5579"><code>4e07b43</code></a>
chore: Release</li>
<li><a
href="https://github.com/clap-rs/clap/commit/8247c7ddf05d8023729ac180d8e8df260f1da5ff"><code>8247c7d</code></a>
docs: Update changelog</li>
<li><a
href="https://github.com/clap-rs/clap/commit/677c52ce0870115845a4c42e204f6c049b81a1e7"><code>677c52c</code></a>
chore: Update <code>heck</code> requirement (<a
href="https://redirect.github.com/clap-rs/clap/issues/5396">#5396</a>)</li>
<li><a
href="https://github.com/clap-rs/clap/commit/f65d421607ba16c3175ffe76a20820f123b6c4cb"><code>f65d421</code></a>
chore: Release</li>
<li><a
href="https://github.com/clap-rs/clap/commit/886b2729e419114bf42f1a92c66d346c81aa8f33"><code>886b272</code></a>
docs: Update changelog</li>
<li><a
href="https://github.com/clap-rs/clap/commit/3ba429752fdb19b7a1c2e151c41d5141ad5b9295"><code>3ba4297</code></a>
Merge pull request <a
href="https://redirect.github.com/clap-rs/clap/issues/5386">#5386</a>
from amaanq/static-var-name</li>
<li><a
href="https://github.com/clap-rs/clap/commit/2aea9504c4894b3bddf9cd4d2d6cba889307c157"><code>2aea950</code></a>
fix: Use SCREAMING_SNAKE_CASE for static variable
<code>authors</code></li>
<li><a
href="https://github.com/clap-rs/clap/commit/690f5557d7f25904c31ec9f2a3c3657cbb68c98e"><code>690f555</code></a>
Merge pull request <a
href="https://redirect.github.com/clap-rs/clap/issues/5382">#5382</a>
from clap-rs/renovate/pre-commit-action-3.x</li>
<li><a
href="https://github.com/clap-rs/clap/commit/a2aa644368ec19026b16b870ec32dc57b325ba9b"><code>a2aa644</code></a>
chore(deps): update compatible (dev) (<a
href="https://redirect.github.com/clap-rs/clap/issues/5381">#5381</a>)</li>
<li><a
href="https://github.com/clap-rs/clap/commit/c233de53c0cca4281f444cf16d16d161bc9c3cab"><code>c233de5</code></a>
chore(deps): update pre-commit/action action to v3.0.1</li>
<li>Additional commits viewable in <a
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Crowdloan account should burn all funds after a crowd loan got dissolved
to ensure that the account is reaped correctly.

---------

Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Co-authored-by: Francisco Aguirre <[email protected]>

Fixes #3128.

This introduces a new variant for the collation response from the
collator that includes the parent head data. For now, collators won't
send this new variant. We'll need to change the collator side of the
collator protocol to detect all the cores assigned to a para and send
the parent head data in the case when it's more than 1 core.

- [x] validate approach
- [x] check head data hash

Extracted Benchbuilder enhancements used in
https://github.com/paritytech/polkadot-sdk/pull/3644 . Might still
require some work to fully support all scenarios when disputing elastic
scaling parachains, but it should be useful in writing elastic scaling
runtime tests.

---------

Signed-off-by: Andrei Sandu <[email protected]>

Step in https://github.com/paritytech/polkadot-sdk/issues/171

This PR removes `as [disambiguation_path]` syntax from `derive_impl`
usage across the polkadot-sdk as introduced in
https://github.com/paritytech/polkadot-sdk/pull/3505

This change includes new bootnodes for Paseo. 

_This is meant to be a silent PR_

Make Rococo & Westend XCM's location converter `HashedDescription` more
in line with Polkadot/Kusama runtimes.

Co-authored-by: Muharem <[email protected]>

Fixes https://github.com/paritytech/polkadot-sdk/issues/3530

This is printed every 10 minutes, I see no reason why it shouldn't be in
all the logs, it would give us valuable information about what is going
on with node connectivity when validators come-back to us to report
issues.

Signed-off-by: Alexandru Gheorghe <[email protected]>

Revert "FRAME: Create `TransactionExtension` as a replacement for `SignedExtension` (#2280)" (#3665)

This PR reverts #2280 which introduced `TransactionExtension` to replace
`SignedExtension`.

As a result of the discussion
[here](https://github.com/paritytech/polkadot-sdk/pull/3623#issuecomment-1986789700),
the changes will be reverted for now with plans to reintroduce the
concept in the future.

---------

Signed-off-by: georgepisaltu <[email protected]>

Sometimes we see nodes printing this warning:
```
cannot query the runtime API version: Api called for an unknown Block: State already discarded for
```

The log is harmless, but let's print the api we got this for, so that we
can track its call site and truly confirm it is harmless or fix it.

Signed-off-by: Alexandru Gheorghe <[email protected]>

This PR adds a new PolkaVM-based executor to Substrate.

- The executor can now be used to actually run a PolkaVM-based runtime,
and successfully produces blocks.
- The executor is always compiled-in, but is disabled by default.
- The `SUBSTRATE_ENABLE_POLKAVM` environment variable must be set to `1`
to enable the executor, in which case the node will accept both WASM and
PolkaVM program blobs (otherwise it'll default to WASM-only). This is
deliberately undocumented and not explicitly exposed anywhere (e.g. in
the command line arguments, or in the API) to disincentivize anyone from
enabling it in production. If/when we'll move this into production usage
I'll remove the environment variable and do it "properly".
- I did not use our legacy runtime allocator for the PolkaVM executor,
so currently every allocation inside of the runtime will leak guest
memory until that particular instance is destroyed. The idea here is
that I will work on the https://github.com/polkadot-fellows/RFCs/pull/4
which will remove the need for the legacy allocator under WASM, and that
will also allow us to use a proper non-leaking allocator under PolkaVM.
- I also did some minor cleanups of the WASM executor and deleted some
dead code.

No prdocs included since this is not intended to be an end-user feature,
but an unofficial experiment, and shouldn't affect any current
production user. Once this is production-ready a full Polkadot
Fellowship RFC will be necessary anyway.

Fixes https://github.com/paritytech/polkadot-sdk/issues/3528

```rust
latency:
    mean_latency_ms = 30 // common sense
    std_dev = 2.0 // common sense
n_validators = 300 // max number of validators, from chain config
n_cores = 60 // 300/5
max_validators_per_core = 5 // default
min_pov_size = 5120 // max
max_pov_size = 5120 // max
peer_bandwidth = 44040192 // from the Parity's kusama validators
bandwidth = 44040192 // from the Parity's kusama validators
connectivity = 90 // we need to be connected to 90-95% of peers
```

Fixes some typos, outdated comments and test asserts. Also uses safe
math and `defensive` for arithmetic operations.

Currently redesigning candidate data structures, noticed that this one
seems dead.

Co-authored-by: eskimor <[email protected]>

Signed-off-by: cuinix <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>

Looking at rococo-asset-hub
https://github.com/paritytech/polkadot-sdk/issues/3519 there seems to be
a lot of instances where collator did not advertise their collations,
while there are multiple problems there, one of it is that we are
connecting and disconnecting to our assigned validators every block,
because on reconnect_timeout every 4s we call connect_to_validators and
that will produce 0 validators when all went well, so set_reseverd_peers
called from validator discovery will disconnect all our peers.
More details here:
https://github.com/paritytech/polkadot-sdk/issues/3519#issuecomment-1972667343

Now, this shouldn't be a problem, but it stacks with an existing bug in
our network stack where if disconnect from a peer the peer might not
notice it, so it won't detect the reconnect either and it won't send us
the necessary view updates, so we won't advertise the collation to it
more details here:

https://github.com/paritytech/polkadot-sdk/issues/3519#issuecomment-1972958276

To avoid hitting this condition that often, let's keep the peers in the
reserved set for the entire duration we are allocated to a backing
group. Backing group sizes(1 rococo, 3 kusama, 5 polkadot) are really
small, so this shouldn't lead to that many connections. Additionally,
the validators would disconnect us any way if we don't advertise
anything for 4 blocks.

## TODO
- [x] More testing.
- [x] Confirm on rococo that this is improving the situation. (It
doesn't but just because other things are going wrong there).

---------

Signed-off-by: Alexandru Gheorghe <[email protected]>

Closes #376

---------

Co-authored-by: command-bot <>

Deprecate the `xcm::body::TREASURER_INDEX` constant and use the standard
Treasury variant from the `xcm::BodyId` type instead.

To align with the production runtimes:
https://github.com/polkadot-fellows/runtimes/pull/149

Moves [substrate-bip39](https://github.com/paritytech/substrate-bip39)
into substrate. All git history is preserved. Dependencies have been
updated to use the same version as the rest of the repo.

Fixes https://github.com/paritytech/polkadot-sdk/issues/1934.

---------

Co-authored-by: Maciej Hirsz <[email protected]>
Co-authored-by: Maciej Hirsz <[email protected]>
Co-authored-by: Gav Wood <[email protected]>
Co-authored-by: Stanislav Tkach <[email protected]>
Co-authored-by: Robert Habermeier <[email protected]>
Co-authored-by: Pierre Krieger <[email protected]>
Co-authored-by: Demi M. Obenour <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: NikVolf <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Benjamin Kampmann <[email protected]>
Co-authored-by: Maciej Hirsz <[email protected]>
Co-authored-by: cheme <[email protected]>
Co-authored-by: adoerr <[email protected]>
Co-authored-by: Jun Jiang <[email protected]>
Co-authored-by: Dan Shields <[email protected]>
Co-authored-by: Michal Kucharczyk <[email protected]>

Changes the way we perform the random selection of backed candidates
when there isn't enough room for all of them. Instead of picking
individual backed candidates `apply_weight` now operates on chains of
candidates. This is fully backwards compatible and relies on the node
side (provisioner/prospective parachains) doing the heavy lifting and
providing the candidates in the order they form a chain.

The same approach can be implemented for bitfields random selection once
https://github.com/paritytech/polkadot-sdk/pull/3479 is merged.

The approach taken in this PR aims for reduced additional complexity at
the cost of being less fair wrt how many backed candidates from each
chain are picked. It favors elastic scaling parachains vs parachains not
using elastic scaling, but from my perspective it should be fine as this
should happen under exceptional circumstances like dispute storms.

Note: to make things more fair we can consider specializing `random_sel`
such that it will try to pick candidates one by one in the order
provided by the provisioner such that non elastic scaling parachains
have the same chance of getting a candidate backed.

---------

Signed-off-by: Andrei Sandu <[email protected]>

# Description

*Deletes `testing.md` file in accordance with the discussion on issue
#2527.* Old references to Gurke or simnet have been removed.

Fixes #2527

---------

Co-authored-by: Bastian Köcher <[email protected]>

Closes #2160

First part of [Extrinsic
Horizon](https://github.com/paritytech/polkadot-sdk/issues/2415)

Introduces a new trait `TransactionExtension` to replace
`SignedExtension`. Introduce the idea of transactions which obey the
runtime's extensions and have according Extension data (né Extra data)
yet do not have hard-coded signatures.

Deprecate the terminology of "Unsigned" when used for
transactions/extrinsics owing to there now being "proper" unsigned
transactions which obey the extension framework and "old-style" unsigned
which do not. Instead we have __*General*__ for the former and
__*Bare*__ for the latter. (Ultimately, the latter will be phased out as
a type of transaction, and Bare will only be used for Inherents.)

Types of extrinsic are now therefore:
- Bare (no hardcoded signature, no Extra data; used to be known as
"Unsigned")
- Bare transactions (deprecated): Gossiped, validated with
`ValidateUnsigned` (deprecated) and the `_bare_compat` bits of
`TransactionExtension` (deprecated).
  - Inherents: Not gossiped, validated with `ProvideInherent`.
- Extended (Extra data): Gossiped, validated via `TransactionExtension`.
  - Signed transactions (with a hardcoded signature).
  - General transactions (without a hardcoded signature).

`TransactionExtension` differs from `SignedExtension` because:
- A signature on the underlying transaction may validly not be present.
- It may alter the origin during validation.
- `pre_dispatch` is renamed to `prepare` and need not contain the checks
present in `validate`.
- `validate` and `prepare` is passed an `Origin` rather than a
`AccountId`.
- `validate` may pass arbitrary information into `prepare` via a new
user-specifiable type `Val`.
- `AdditionalSigned`/`additional_signed` is renamed to
`Implicit`/`implicit`. It is encoded *for the entire transaction* and
passed in to each extension as a new argument to `validate`. This
facilitates the ability of extensions to acts as underlying crypto.

There is a new `DispatchTransaction` trait which contains only default
function impls and is impl'ed for any `TransactionExtension` impler. It
provides several utility functions which reduce some of the tedium from
using `TransactionExtension` (indeed, none of its regular functions
should now need to be called directly).

Three transaction version discriminator ("versions") are now
permissible:
- 0b000000100: Bare (used to be called "Unsigned"): contains Signature
or Extra (extension data). After bare transactions are no longer
supported, this will strictly identify an Inherents only.
- 0b100000100: Old-school "Signed" Transaction: contains Signature and
Extra (extension data).
- 0b010000100: New-school "General" Transaction: contains Extra
(extension data), but no Signature.

For the New-school General Transaction, it becomes trivial for authors
to publish extensions to the mechanism for authorizing an Origin, e.g.
through new kinds of key-signing schemes, ZK proofs, pallet state,
mutations over pre-authenticated origins or any combination of the
above.

## Code Migration

### NOW: Getting it to build

Wrap your `SignedExtension`s in `AsTransactionExtension`. This should be
accompanied by renaming your aggregate type in line with the new
terminology. E.g. Before:

```rust
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
	/* snip */
	MySpecialSignedExtension,
);
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
```

After:

```rust
/// The extension to the basic transaction logic.
pub type TxExtension = (
	/* snip */
	AsTransactionExtension<MySpecialSignedExtension>,
);
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, TxExtension>;
```

You'll also need to alter any transaction building logic to add a
`.into()` to make the conversion happen. E.g. Before:

```rust
fn construct_extrinsic(
		/* snip */
) -> UncheckedExtrinsic {
	let extra: SignedExtra = (
		/* snip */
		MySpecialSignedExtension::new(/* snip */),
	);
	let payload = SignedPayload::new(call.clone(), extra.clone()).unwrap();
	let signature = payload.using_encoded(|e| sender.sign(e));
	UncheckedExtrinsic::new_signed(
		/* snip */
		Signature::Sr25519(signature),
		extra,
	)
}
```

After:

```rust
fn construct_extrinsic(
		/* snip */
) -> UncheckedExtrinsic {
	let tx_ext: TxExtension = (
		/* snip */
		MySpecialSignedExtension::new(/* snip */).into(),
	);
	let payload = SignedPayload::new(call.clone(), tx_ext.clone()).unwrap();
	let signature = payload.using_encoded(|e| sender.sign(e));
	UncheckedExtrinsic::new_signed(
		/* snip */
		Signature::Sr25519(signature),
		tx_ext,
	)
}
```

### SOON: Migrating to `TransactionExtension`

Most `SignedExtension`s can be trivially converted to become a
`TransactionExtension`. There are a few things to know.

- Instead of a single trait like `SignedExtension`, you should now
implement two traits individually: `TransactionExtensionBase` and
`TransactionExtension`.
- Weights are now a thing and must be provided via the new function `fn
weight`.

#### `TransactionExtensionBase`

This trait takes care of anything which is not dependent on types
specific to your runtime, most notably `Call`.

- `AdditionalSigned`/`additional_signed` is renamed to
`Implicit`/`implicit`.
- Weight must be returned by implementing the `weight` function. If your
extension is associated with a pallet, you'll probably want to do this
via the pallet's existing benchmarking infrastructure.

#### `TransactionExtension`

Generally:
- `pre_dispatch` is now `prepare` and you *should not reexecute the
`validate` functionality in there*!
- You don't get an account ID any more; you get an origin instead. If
you need to presume an account ID, then you can use the trait function
`AsSystemOriginSigner::as_system_origin_signer`.
- You get an additional ticket, similar to `Pre`, called `Val`. This
defines data which is passed from `validate` into `prepare`. This is
important since you should not be duplicating logic from `validate` to
`prepare`, you need a way of passing your working from the former into
the latter. This is it.
- This trait takes two type parameters: `Call` and `Context`. `Call` is
the runtime call type which used to be an associated type; you can just
move it to become a type parameter for your trait impl. `Context` is not
currently used and you can safely implement over it as an unbounded
type.
- There's no `AccountId` associated type any more. Just remove it.

Regarding `validate`:
- You get three new parameters in `validate`; all can be ignored when
migrating from `SignedExtension`.
- `validate` returns a tuple on success; the second item in the tuple is
the new ticket type `Self::Val` which gets passed in to `prepare`. If
you use any information extracted during `validate` (off-chain and
on-chain, non-mutating) in `prepare` (on-chain, mutating) then you can
pass it through with this. For the tuple's last item, just return the
`origin` argument.

Regarding `prepare`:
- This is renamed from `pre_dispatch`, but there is one change:
- FUNCTIONALITY TO VALIDATE THE TRANSACTION NEED NOT BE DUPLICATED FROM
`validate`!!
- (This is different to `SignedExtension` which was required to run the
same checks in `pre_dispatch` as in `validate`.)

Regarding `post_dispatch`:
- Since there are no unsigned transactions handled by
`TransactionExtension`, `Pre` is always defined, so the first parameter
is `Self::Pre` rather than `Option<Self::Pre>`.

If you make use of `SignedExtension::validate_unsigned` or
`SignedExtension::pre_dispatch_unsigned`, then:
- Just use the regular versions of these functions instead.
- Have your logic execute in the case that the `origin` is `None`.
- Ensure your transaction creation logic creates a General Transaction
rather than a Bare Transaction; this means having to include all
`TransactionExtension`s' data.
- `ValidateUnsigned` can still be used (for now) if you need to be able
to construct transactions which contain none of the extension data,
however these will be phased out in stage 2 of the Transactions Horizon,
so you should consider moving to an extension-centric design.

## TODO

- [x] Introduce `CheckSignature` impl of `TransactionExtension` to
ensure it's possible to have crypto be done wholly in a
`TransactionExtension`.
- [x] Deprecate `SignedExtension` and move all uses in codebase to
`TransactionExtension`.
  - [x] `ChargeTransactionPayment`
  - [x] `DummyExtension`
  - [x] `ChargeAssetTxPayment` (asset-tx-payment)
  - [x] `ChargeAssetTxPayment` (asset-conversion-tx-payment)
  - [x] `CheckWeight`
  - [x] `CheckTxVersion`
  - [x] `CheckSpecVersion`
  - [x] `CheckNonce`
  - [x] `CheckNonZeroSender`
  - [x] `CheckMortality`
  - [x] `CheckGenesis`
  - [x] `CheckOnlySudoAccount`
  - [x] `WatchDummy`
  - [x] `PrevalidateAttests`
  - [x] `GenericSignedExtension`
  - [x] `SignedExtension` (chain-polkadot-bulletin)
  - [x] `RefundSignedExtensionAdapter`
- [x] Implement `fn weight` across the board.
- [ ] Go through all pre-existing extensions which assume an account
signer and explicitly handle the possibility of another kind of origin.
- [x] `CheckNonce` should probably succeed in the case of a non-account
origin.
- [x] `CheckNonZeroSender` should succeed in the case of a non-account
origin.
- [x] `ChargeTransactionPayment` and family should fail in the case of a
non-account origin.
  - [ ] 
- [x] Fix any broken tests.

---------

Signed-off-by: georgepisaltu <[email protected]>
Signed-off-by: Alexandru Vasile <[email protected]>
Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Signed-off-by: Alexandru Gheorghe <[email protected]>
Signed-off-by: Andrei Sandu <[email protected]>
Co-authored-by: Nikhil Gupta <[email protected]>
Co-authored-by: georgepisaltu <[email protected]>
Co-authored-by: Chevdor <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Maciej <[email protected]>
Co-authored-by: Javier Viola <[email protected]>
Co-authored-by: Marcin S. <[email protected]>
Co-authored-by: Tsvetomir Dimitrov <[email protected]>
Co-authored-by: Javier Bullrich <[email protected]>
Co-authored-by: Koute <[email protected]>
Co-authored-by: Adrian Catangiu <[email protected]>
Co-authored-by: Vladimir Istyufeev <[email protected]>
Co-authored-by: Ross Bulat <[email protected]>
Co-authored-by: Gonçalo Pestana <[email protected]>
Co-authored-by: Liam Aharon <[email protected]>
Co-authored-by: Svyatoslav Nikolsky <[email protected]>
Co-authored-by: André Silva <[email protected]>
Co-authored-by: Oliver Tale-Yazdi <[email protected]>
Co-authored-by: s0me0ne-unkn0wn <[email protected]>
Co-authored-by: ordian <[email protected]>
Co-authored-by: Sebastian Kunert <[email protected]>
Co-authored-by: Aaro Altonen <[email protected]>
Co-authored-by: Dmitry Markin <[email protected]>
Co-authored-by: Alexandru Vasile <[email protected]>
Co-authored-by: Alexander Samusev <[email protected]>
Co-authored-by: Julian Eager <[email protected]>
Co-authored-by: Michal Kucharczyk <[email protected]>
Co-authored-by: Davide Galassi <[email protected]>
Co-authored-by: Dónal Murray <[email protected]>
Co-authored-by: yjh <[email protected]>
Co-authored-by: Tom Mi <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Will | Paradox | ParaNodes.io <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Joshy Orndorff <[email protected]>
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