Relates to:
https://github.com/paritytech/parity-bridges-common/issues/2451
Closes: https://github.com/paritytech/parity-bridges-common/issues/2500

## Summary

Now, the bridging pallet supports only static lanes, which means lanes
that are hard-coded in the runtime files. This PR fixes that and adds
support for dynamic, also known as permissionless, lanes. This means
that allowed origins (relay chain, sibling parachains) can open and
close bridges (through BridgeHubs) with another bridged (substrate-like)
consensus using just `xcm::Transact` and `OriginKind::Xcm`.

_This PR is based on the migrated code from the Bridges V2
[branch](https://github.com/paritytech/polkadot-sdk/pull/4427) from the
old `parity-bridges-common`
[repo](https://github.com/paritytech/parity-bridges-common/tree/bridges-v2)._

## Explanation

Please read
[bridges/modules/xcm-bridge-hub/src/lib.rs](https://github.com/paritytech/polkadot-sdk/blob/149b0ac2

/bridges/modules/xcm-bridge-hub/src/lib.rs#L17-L136)
to understand how managing bridges works. The basic concepts around
`BridgeId` and `LaneId` are also explained there.


## TODO

- [x] search and fix for comment: `// TODO:(bridges-v2) - most of that
stuff was introduced with free header execution:
https://github.com/paritytech/polkadot-sdk/pull/4102` - more info in the
comment
[bellow](https://github.com/paritytech/polkadot-sdk/pull/4427#issuecomment-2126625043)
- [x] TODO: there's only one impl of `EnsureOrigin<Success = Location>`

## TODO - not blocking review

**benchmarking:**
- [x] regenerate all relevant weights for BH/AH runtimes
- [ ] regenerate default weights for bridging pallets e.g.
`modules/messages/src/weights.rs`
- [ ] add benchmarks for `xcm-bridge-hub` pallet
https://github.com/paritytech/polkadot-sdk/issues/5550

**testing:**
- [ ] add xcm-emulator tests for Rococo/Penpal to Westend/Penpal with
full opening channel and sending/receiving `xcm::Transact`

**migrations:**
- [x] add migrations for BridgeHubRococo/Westend
https://github.com/paritytech/parity-bridges-common/issues/2794 (to be
reusable for P/K bridge)
  - [x] check also storage migration, if needed for pallets
  - [ ] migration for XCM type (optional)
  - [x] migration for static lanes to the dynamic (reuse for fellows)

**investigation:**
- [ ] revisit
https://github.com/paritytech/parity-bridges-common/issues/2380
- [ ] check congestion around `LocalXcmChannelManager` and
`OutboundLanesCongestedSignals` impls -
https://github.com/paritytech/polkadot-sdk/issues/5551
  - to be reusable for polkadot-fellows
- return `report_bridge_status` was remove, so we need to `XcmpQueue`
alternative?

---------

Signed-off-by: Branislav Kontur <bkontur@gmail.com>
Co-authored-by: Svyatoslav Nikolsky <svyatonik@gmail.com>
Co-authored-by: command-bot <>
Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>

Bumps [toml](https://github.com/toml-rs/toml) from 0.8.8 to 0.8.12.
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<li><a
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refactor(parser): Pull recursion limit out to variable</li>
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Merge pull request <a
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Bumps [clap_complete](https://github.com/clap-rs/clap) from 4.4.0 to
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<blockquote>
<h2>v4.5.13</h2>
<h2>[4.5.13] - 2024-07-31</h2>
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<h3>Fixes</h3>
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<li><em>(help)</em> Properly wrap long subcommand descriptions in
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<h2>[4.5.12] - 2024-07-31</h2>
<h2>[4.5.11] - 2024-07-25</h2>
<h2>[4.5.10] - 2024-07-23</h2>
<h2>[4.5.9] - 2024-07-09</h2>
<h3>Fixes</h3>
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<h3>Fixes</h3>
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<li>Clean up error message when too few arguments for
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</ul>
<h2>[4.5.6] - 2024-06-06</h2>
<h2>[4.5.5] - 2024-06-06</h2>
<h3>Fixes</h3>
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<li>Allow <code>exclusive</code> to override
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<code>required_unless_present_all</code></li>
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There is a race condition when a validator sends its heads to the
collator, but the collator doesn't yet know these heads. Before it is
aware of these heads by importing the block(s), any collation registered
on the collator is not announced to the validators. The collations
aren't advertised, because the collator doesn't know yet that these
heads of the validator are descendants of the collations relay parent.

The solution is to store these unknown heads of the validators and to
handle them when the collator updates its own view.

This improves `sc-service` API by not requiring the whole
`&Configuration`, using specific configuration options instead.
`RpcConfiguration` was also extracted from `Configuration` to group all
RPC options together.

We don't use Substrate's CLI and would rather not use `Configuration`
either, but some key public functions require it even though they
ignored most of the fields anyway.

`RpcConfiguration` is very helpful not just for consolidation of the
fields, but also to finally make RPC optional for our use case, while
Substrate still runs RPC server on localhost even if listening address
is explicitly set to `None`, which is annoying (and I suspect there is a
reason for it, so didn't want to change the default just yet).

While this is a breaking change, most developers will not notice it if
they use higher-level APIs.

Fixes https://github.com/paritytech/polkadot-sdk/issues/2897

---------

Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com>

# Context

Fees can already be paid in other assets locally thanks to the Trader
implementations we have.
This doesn't work when sending messages because delivery fees go through
a different mechanism altogether.
The idea is to fix this leveraging the `AssetExchanger` config item
that's able to turn the asset the user wants to pay fees in into the
asset the router expects for delivery fees.

# Main addition

An adapter was needed to use `pallet-asset-conversion` for exchanging
assets in XCM.
This was created in
https://github.com/paritytech/polkadot-sdk/pull/5130.

The XCM executor was modified to use `AssetExchanger` (when available)
to swap assets to pay for delivery fees.

## Limitations

We can only pay for delivery fees in different assets in intermediate
hops. We can't pay in different assets locally. The first hop will
always need the native token of the chain (or whatever is specified in
the `XcmRouter`).
This is a byproduct of using the `BuyExecution` instruction to know
which asset should be used for delivery fee payment.
Since this instruction is not present when executing an XCM locally, we
are left with this limitation.
To illustrate this limitation, I'll show two scenarios. All chains
involved have pools.

### Scenario 1

Parachain A --> Parachain B

Here, parachain A can use any asset in a pool with its native asset to
pay for local execution fees.
However, as of now we can't use those for local delivery fees.
This means transfers from A to B need some amount of A's native token to
pay for delivery fees.

### Scenario 2

Parachain A --> Parachain C --> Parachain B

Here, Parachain C's remote delivery fees can be paid with any asset in a
pool with its native asset.
This allows a reserve asset transfer between A and B with C as the
reserve to only need A's native token at the starting hop.
After that, it could all be pool assets.

## Future work

The fact that delivery fees go through a totally different mechanism
results in a lot of bugs and pain points.
Unfortunately, this is not so easy to solve in a backwards compatible
manner.
Delivery fees will be integrated into the language in future XCM
versions, following
https://github.com/polkadot-fellows/xcm-format/pull/53.

Old PR: https://github.com/paritytech/polkadot-sdk/pull/4375.

# Prerequisite 
This is part of the work to further optimize the approval subsystems, if
you want to understand the full context start with reading
https://github.com/paritytech/polkadot-sdk/pull/4849#issue-2364261568,

# Description
This PR contain changes, so that the crypto checks are performed by the
approval-distribution subsystem instead of the approval-voting one. The
benefit for these, is twofold:
1. Approval-distribution won't have to wait every single time for the
approval-voting to finish its job, so the work gets to be pipelined
between approval-distribution and approval-voting.

2. By running in parallel multiple instances of approval-distribution as
described here
https://github.com/paritytech/polkadot-sdk/pull/4849#issue-2364261568,
this significant body of work gets to run in parallel.

## Changes:
1. When approval-voting send `ApprovalDistributionMessage::NewBlocks` it
needs to pass the core_index and candidate_hash of the candidates.
2. ApprovalDistribution needs to use `RuntimeInfo` to be able to fetch
the SessionInfo from the runtime.
3. Move `approval-voting` logic that checks VRF assignment into
`approval-distribution`
4. Move `approval-voting` logic that checks vote is correctly signed
into `approval-distribution`
5. Plumb `approval-distribution` and `approval-voting` tests to support
the new logic.

## Benefits
Even without parallelisation the gains are significant, for example on
my machine if we run approval subsystem bench for 500 validators and 100
cores and trigger all 89 tranches of assignments and approvals, the
system won't fall behind anymore because of late processing of messages.
```
Before change
Chain selection approved  after 11500 ms hash=0x0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a

After change

Chain selection approved  after 5500 ms hash=0x0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a
```

## TODO:
- [x] Run on versi.
- [x] Update parachain host documentation.

---------

Signed-off-by: Alexandru Gheorghe <alexandru.gheorghe@parity.io>

Bumps [color-eyre](https://github.com/eyre-rs/eyre) from 0.6.2 to 0.6.3.
<details>
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href="https://redirect.github.com/eyre-rs/eyre/issues/148">#148</a>)</li>
<li><a
href="https://github.com/eyre-rs/eyre/commit/e57015195082391e00132b4ea4a7ed9fe4536248"><code>e570151</code></a>
color-spantrace: bump owo-colors to 4.0 (<a
href="https://redirect.github.com/eyre-rs/eyre/issues/156">#156</a>)</li>
<li><a
href="https://github.com/eyre-rs/eyre/commit/cb4bab6fd0355461f6eec4241e4db9949d890e73"><code>cb4bab6</code></a>
chore: update issues redirect</li>
<li><a
href="https://github.com/eyre-rs/eyre/commit/8ebc308a0ae54f04a410911d2f9c621c988b766a"><code>8ebc308</code></a>
fix: make theme test more lenient</li>
<li>Additional commits viewable in <a
href="https://github.com/eyre-rs/eyre/compare/v0.6.2...color-eyre-v0.6.3">compare
view</a></li>
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Tiny fix for subweight diff in /cmd

Added the new contracts pallet and also added @pgherveou as code owners.

Bumps the known_good_semver group with 4 updates in the / directory:
[quote](https://github.com/dtolnay/quote),
[serde](https://github.com/serde-rs/serde),
[serde_json](https://github.com/serde-rs/json) and
[syn](https://github.com/dtolnay/syn).

Updates `quote` from 1.0.36 to 1.0.37
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/quote/releases">quote's
releases</a>.</em></p>
<blockquote>
<h2>1.0.37</h2>
<ul>
<li>Implement ToTokens for CStr and CString (<a
href="https://redirect.github.com/dtolnay/quote/issues/283">#283</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/quote/commit/b1ebffa035363a430862e033aa3268e8cb17affa"><code>b1ebffa</code></a>
Release 1.0.37</li>
<li><a
href="https://github.com/dtolnay/quote/commit/43acd77961424b3cb5035688f74d14d556eefe90"><code>43acd77</code></a>
Delete unneeded use of <code>ref</code></li>
<li><a
href="https://github.com/dtolnay/quote/commit/9382c2182ea10f8e0f90d1e5f15ca3f20a777dff"><code>9382c21</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/quote/issues/283">#283</a>
from dtolnay/cstr</li>
<li><a
href="https://github.com/dtolnay/quote/commit/6ac432877bbfe43892677e32af7e3f0e28b6333e"><code>6ac4328</code></a>
Add C string tests</li>
<li><a
href="https://github.com/dtolnay/quote/commit/9fb0591a17893eea81260351c6eb431e1fd83524"><code>9fb0591</code></a>
Implement ToTokens for CStr and CString</li>
<li><a
href="https://github.com/dtolnay/quote/commit/ba7a9d08c9acba8ae97926dcc18822b20441c0fa"><code>ba7a9d0</code></a>
Organize test imports</li>
<li><a
href="https://github.com/dtolnay/quote/commit/aa9970f9838a5b6dd5438c662921470f873e2b3a"><code>aa9970f</code></a>
Inline the macro that generates primitive impls</li>
<li><a
href="https://github.com/dtolnay/quote/commit/ba411091c98c311526774adde73e724448836337"><code>ba41109</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/quote/issues/282">#282</a>
from dtolnay/tokens</li>
<li><a
href="https://github.com/dtolnay/quote/commit/c77340a4c6869690ad7b40069e8ca1cb90e4abb8"><code>c77340a</code></a>
Consistently use 'tokens' as the name of the &amp;mut TokenStream
arg</li>
<li><a
href="https://github.com/dtolnay/quote/commit/a4a0abf12fa0137eca5aaa74fe88ca6694e78746"><code>a4a0abf</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/quote/issues/281">#281</a>
from dtolnay/char</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/quote/compare/1.0.36...1.0.37">compare
view</a></li>
</ul>
</details>
<br />

Updates `serde` from 1.0.206 to 1.0.209
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/serde/releases">serde's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.209</h2>
<ul>
<li>Fix deserialization of empty structs and empty tuples inside of
untagged enums (<a
href="https://redirect.github.com/serde-rs/serde/issues/2805">#2805</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
<h2>v1.0.208</h2>
<ul>
<li>Support serializing and deserializing unit structs in a
<code>flatten</code> field (<a
href="https://redirect.github.com/serde-rs/serde/issues/2802">#2802</a>,
thanks <a
href="https://github.com/jonhoo"><code>@​jonhoo</code></a>)</li>
</ul>
<h2>v1.0.207</h2>
<ul>
<li>Improve interactions between <code>flatten</code> attribute and
<code>skip_serializing</code>/<code>skip_deserializing</code> (<a
href="https://redirect.github.com/serde-rs/serde/issues/2795">#2795</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/serde-rs/serde/commit/30752ac4ffdaa284606eda34055ad185e28c5499"><code>30752ac</code></a>
Release 1.0.209</li>
<li><a
href="https://github.com/serde-rs/serde/commit/b84e6ca4f5fef69b3de985c586a07b1246f3eb9a"><code>b84e6ca</code></a>
Improve wording of PR 2805 comments</li>
<li><a
href="https://github.com/serde-rs/serde/commit/87a2fb0f1a2774ea5bb20c0ed988b9ba57fc8166"><code>87a2fb0</code></a>
Wrap comments from PR 2805 to 80 columns</li>
<li><a
href="https://github.com/serde-rs/serde/commit/9eaf7b9824f2082c50d17ad22b786322dc283a61"><code>9eaf7b9</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2805">#2805</a>
from Mingun/untagged-tests</li>
<li><a
href="https://github.com/serde-rs/serde/commit/7bde100237875d4f435de5ad90074b0479c37486"><code>7bde100</code></a>
Replace MapRefDeserializer with value::MapDeserializer</li>
<li><a
href="https://github.com/serde-rs/serde/commit/da7fc795ee654252effa232a62a5a1e6d4f551ee"><code>da7fc79</code></a>
Fix deserialization of empty struct variant in untagged enums</li>
<li><a
href="https://github.com/serde-rs/serde/commit/4c5fec1363d363f995375426f72db11c28f357c1"><code>4c5fec1</code></a>
Test special cases that reaches SeqRefDeserializer::deserialize_any
len==0 co...</li>
<li><a
href="https://github.com/serde-rs/serde/commit/6588b0ad3777f7ad930d68ab4b9ec5b9c25398e0"><code>6588b0a</code></a>
Cover Content::Seq case in VariantRefDeserializer::struct_variant</li>
<li><a
href="https://github.com/serde-rs/serde/commit/0093f74cfee5ee3239514a7aad5fb44843eddcdd"><code>0093f74</code></a>
Split test newtype_enum into four tests for each variant</li>
<li><a
href="https://github.com/serde-rs/serde/commit/171c6da57af712cfcf01c6c124b14cabfca364ba"><code>171c6da</code></a>
Complete coverage of
ContentRefDeserializer::deserialize_newtype_struct</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.206...v1.0.209">compare
view</a></li>
</ul>
</details>
<br />

Updates `serde_derive` from 1.0.206 to 1.0.209
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/serde/releases">serde_derive's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.209</h2>
<ul>
<li>Fix deserialization of empty structs and empty tuples inside of
untagged enums (<a
href="https://redirect.github.com/serde-rs/serde/issues/2805">#2805</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
<h2>v1.0.208</h2>
<ul>
<li>Support serializing and deserializing unit structs in a
<code>flatten</code> field (<a
href="https://redirect.github.com/serde-rs/serde/issues/2802">#2802</a>,
thanks <a
href="https://github.com/jonhoo"><code>@​jonhoo</code></a>)</li>
</ul>
<h2>v1.0.207</h2>
<ul>
<li>Improve interactions between <code>flatten</code> attribute and
<code>skip_serializing</code>/<code>skip_deserializing</code> (<a
href="https://redirect.github.com/serde-rs/serde/issues/2795">#2795</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/serde-rs/serde/commit/30752ac4ffdaa284606eda34055ad185e28c5499"><code>30752ac</code></a>
Release 1.0.209</li>
<li><a
href="https://github.com/serde-rs/serde/commit/b84e6ca4f5fef69b3de985c586a07b1246f3eb9a"><code>b84e6ca</code></a>
Improve wording of PR 2805 comments</li>
<li><a
href="https://github.com/serde-rs/serde/commit/87a2fb0f1a2774ea5bb20c0ed988b9ba57fc8166"><code>87a2fb0</code></a>
Wrap comments from PR 2805 to 80 columns</li>
<li><a
href="https://github.com/serde-rs/serde/commit/9eaf7b9824f2082c50d17ad22b786322dc283a61"><code>9eaf7b9</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2805">#2805</a>
from Mingun/untagged-tests</li>
<li><a
href="https://github.com/serde-rs/serde/commit/7bde100237875d4f435de5ad90074b0479c37486"><code>7bde100</code></a>
Replace MapRefDeserializer with value::MapDeserializer</li>
<li><a
href="https://github.com/serde-rs/serde/commit/da7fc795ee654252effa232a62a5a1e6d4f551ee"><code>da7fc79</code></a>
Fix deserialization of empty struct variant in untagged enums</li>
<li><a
href="https://github.com/serde-rs/serde/commit/4c5fec1363d363f995375426f72db11c28f357c1"><code>4c5fec1</code></a>
Test special cases that reaches SeqRefDeserializer::deserialize_any
len==0 co...</li>
<li><a
href="https://github.com/serde-rs/serde/commit/6588b0ad3777f7ad930d68ab4b9ec5b9c25398e0"><code>6588b0a</code></a>
Cover Content::Seq case in VariantRefDeserializer::struct_variant</li>
<li><a
href="https://github.com/serde-rs/serde/commit/0093f74cfee5ee3239514a7aad5fb44843eddcdd"><code>0093f74</code></a>
Split test newtype_enum into four tests for each variant</li>
<li><a
href="https://github.com/serde-rs/serde/commit/171c6da57af712cfcf01c6c124b14cabfca364ba"><code>171c6da</code></a>
Complete coverage of
ContentRefDeserializer::deserialize_newtype_struct</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.206...v1.0.209">compare
view</a></li>
</ul>
</details>
<br />

Updates `serde_json` from 1.0.124 to 1.0.127
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/json/releases">serde_json's
releases</a>.</em></p>
<blockquote>
<h2>1.0.127</h2>
<ul>
<li>Add more removal methods to OccupiedEntry (<a
href="https://redirect.github.com/serde-rs/json/issues/1179">#1179</a>,
thanks <a
href="https://github.com/GREsau"><code>@​GREsau</code></a>)</li>
</ul>
<h2>1.0.126</h2>
<ul>
<li>Improve string parsing on targets that use 32-bit pointers but also
have fast 64-bit integer arithmetic, such as
aarch64-unknown-linux-gnu_ilp32 and x86_64-unknown-linux-gnux32 (<a
href="https://redirect.github.com/serde-rs/json/issues/1182">#1182</a>,
thanks <a href="https://github.com/CryZe"><code>@​CryZe</code></a>)</li>
</ul>
<h2>1.0.125</h2>
<ul>
<li>Speed up \uXXXX parsing and improve handling of unpaired surrogates
when deserializing to bytes (<a
href="https://redirect.github.com/serde-rs/json/issues/1172">#1172</a>,
<a
href="https://redirect.github.com/serde-rs/json/issues/1175">#1175</a>,
thanks <a
href="https://github.com/purplesyringa"><code>@​purplesyringa</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/serde-rs/json/commit/5ebf65cc480f90714c94f82099ca9161d80cbb10"><code>5ebf65c</code></a>
Release 1.0.127</li>
<li><a
href="https://github.com/serde-rs/json/commit/f287a3b1a93ecb1a11cee31cb638bd9523a58add"><code>f287a3b</code></a>
Merge pull request 1179 from GREsau/patch-1</li>
<li><a
href="https://github.com/serde-rs/json/commit/ec980b02774abbff12fd3e26b0a1582eb14dcef7"><code>ec980b0</code></a>
Release 1.0.126</li>
<li><a
href="https://github.com/serde-rs/json/commit/e6282b0c479947805a33c7f167b1d19dd4c7ad4f"><code>e6282b0</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1184">#1184</a>
from serde-rs/fastarithmetic</li>
<li><a
href="https://github.com/serde-rs/json/commit/ffc4a43453029cdc5603cfe3ef08414488fd45de"><code>ffc4a43</code></a>
Improve cfg names for fast arithmetic</li>
<li><a
href="https://github.com/serde-rs/json/commit/4b1048d0ecc4d326d6657531689513f182a4f850"><code>4b1048d</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1183">#1183</a>
from serde-rs/arithmetic</li>
<li><a
href="https://github.com/serde-rs/json/commit/f268173a9fb1f5f8a80f47af62b564525cf33764"><code>f268173</code></a>
Unify chunk size choice between float and string parsing</li>
<li><a
href="https://github.com/serde-rs/json/commit/fec03769743c3f0ceb6b5b56d91321fdc856dff2"><code>fec0376</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1182">#1182</a>
from CryZe/chunk-64bit</li>
<li><a
href="https://github.com/serde-rs/json/commit/3d837e1cc4a0f1df56ba6645c3b6d144768b5d9d"><code>3d837e1</code></a>
Ensure the SWAR chunks are 64-bit in more cases</li>
<li><a
href="https://github.com/serde-rs/json/commit/11fc61c7af7b59ea80fb2ef7d78db94465dfbd54"><code>11fc61c</code></a>
Add <code>OccupiedEntry::shift_remove()</code> and
<code>swap_remove()</code></li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/json/compare/v1.0.124...1.0.127">compare
view</a></li>
</ul>
</details>
<br />

Updates `syn` from 2.0.61 to 2.0.65
<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>2.0.65</h2>
<ul>
<li>Optimize the implementation of <code>Fold</code> to compile faster
(<a
href="https://redirect.github.com/dtolnay/syn/issues/1666">#1666</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1667">#1667</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1668">#1668</a>)</li>
</ul>
<h2>2.0.64</h2>
<ul>
<li>Support using ParseBuffer across <code>catch_unwind</code> (<a
href="https://redirect.github.com/dtolnay/syn/issues/1646">#1646</a>)</li>
<li>Validate that the expression in a let-else ends in brace as required
by rustc (<a
href="https://redirect.github.com/dtolnay/syn/issues/1648">#1648</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1649">#1649</a>)</li>
<li>Legalize invalid const generic arguments by wrapping in braces (<a
href="https://redirect.github.com/dtolnay/syn/issues/1654">#1654</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1655">#1655</a>)</li>
<li>Fix some expression precedence edge cases involving
<code>break</code> and <code>return</code> in loop headers (<a
href="https://redirect.github.com/dtolnay/syn/issues/1656">#1656</a>)</li>
<li>Always print closure bodies with a brace when the closure has an
explicit return type (<a
href="https://redirect.github.com/dtolnay/syn/issues/1658">#1658</a>)</li>
<li>Automatically insert necessary parentheses in ToTokens for Expr when
required by expression precedence (<a
href="https://redirect.github.com/dtolnay/syn/issues/1659">#1659</a>)</li>
<li>Support struct literal syntax in match guard expressions (<a
href="https://redirect.github.com/dtolnay/syn/issues/1662">#1662</a>)</li>
</ul>
<h2>2.0.63</h2>
<ul>
<li>Parse and print long if-else-if chains without reliance on deep
recursion to avoid overflowing stack (<a
href="https://redirect.github.com/dtolnay/syn/issues/1644">#1644</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1645">#1645</a>)</li>
</ul>
<h2>2.0.62</h2>
<ul>
<li>Reject invalid unparenthesized range and comparison operator
expressions (<a
href="https://redirect.github.com/dtolnay/syn/issues/1642">#1642</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1643">#1643</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/syn/commit/9f2371eefa6f681b53e4d74458d86dd41673227f"><code>9f2371e</code></a>
Release 2.0.65</li>
<li><a
href="https://github.com/dtolnay/syn/commit/4cd181325f3488c47866f15966977682be610da1"><code>4cd1813</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1668">#1668</a>
from dtolnay/foldhelper</li>
<li><a
href="https://github.com/dtolnay/syn/commit/ed54092bcea6798ab0b5ed7aca6755f8918fc79e"><code>ed54092</code></a>
Eliminate gen::helper module</li>
<li><a
href="https://github.com/dtolnay/syn/commit/eacc8ab1b98b590df3ce9462510fd755cddf6762"><code>eacc8ab</code></a>
Eliminate FoldHelper trait</li>
<li><a
href="https://github.com/dtolnay/syn/commit/6e20bb8d7799d0f4c34c144e80b3bd1b6e9afd27"><code>6e20bb8</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1667">#1667</a>
from dtolnay/punctuatedfold</li>
<li><a
href="https://github.com/dtolnay/syn/commit/9d95cab6d332d08903538d5ce3d6e47c1598912e"><code>9d95cab</code></a>
Optimize punctuated::fold</li>
<li><a
href="https://github.com/dtolnay/syn/commit/82ffe86c2b721b9985edb6f368e7366bd202bc5b"><code>82ffe86</code></a>
Move Punctuated fold helper to punctuated module</li>
<li><a
href="https://github.com/dtolnay/syn/commit/3dfacc1538f655d33c5c8037b14669149bcd81cd"><code>3dfacc1</code></a>
Ignore manual_map clippy lint</li>
<li><a
href="https://github.com/dtolnay/syn/commit/7273aa77aa09ee2562b279a5d9495a212d9c0876"><code>7273aa7</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1666">#1666</a>
from dtolnay/foldhelper</li>
<li><a
href="https://github.com/dtolnay/syn/commit/8124c0eb99e11cae036d2c967f91f0c456c50368"><code>8124c0e</code></a>
Generate fewer monomorphizations in Fold</li>
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href="https://github.com/dtolnay/syn/compare/2.0.61...2.0.65">compare
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# Description

Trivial doc fixes:

* Replace the word `reminder` with `remainder` so that the English
matches the code intent.
* Explicit instruct the reader to `clone`.

## Review Notes

* Trivial

Co-authored-by: Jan-Jan <111935+Jan-Jan@users.noreply.github.com>

Gensis config presets moved from `parachain-template-node` binary into
`parachain-template-runtime` runtime.

cc: @PierreBesson

Gensis config presets moved from `polkadot-parachain` binary into
`asset-hub-rococo` runtime.

relates to: #3944

---------

Co-authored-by: Dónal Murray <donal.murray@parity.io>
Co-authored-by: Bastian Köcher <git@kchr.de>

- restore update-ui.sh (accidentally removed with bunch of bash 
- fix empty context and pushing to dev branch (supporting forks)
tested fork here: https://github.com/paritytech-stg/polkadot-sdk/pull/45

# Description

The error message should be logged out when the check method returns an
error.

Because specific information is lost when `UmpAcceptanceCheckErr`,
`ProcessedDownwardMessagesAcceptanceErr`, `HrmpWatermarkAcceptanceErr`,
`OutboundHrmpAcceptanceErr` are converted to `AcceptanceCheckErr`, a log
is added to each check.

## Integration

## Review Notes

# Checklist

* [ ] My PR includes a detailed description as outlined in the
"Description" and its two subsections above.
* [ ] My PR follows the [labeling requirements](

https://github.com/paritytech/polkadot-sdk/blob/master/docs/contributor/CONTRIBUTING.md#Process
) of this project (at minimum one label for `T` required)
* External contributors: ask maintainers to put the right label on your
PR.
* [ ] I have made corresponding changes to the documentation (if
applicable)
* [ ] I have added tests that prove my fix is effective or that my
feature works (if applicable)

As Runtime release 1.3.0 includes all of the remaining staging
primitives and APIs we can now release primitives version 8.
No other changes other than renaming/moving done here.

---------

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

Tiny changes to simplify the code:

- Remove an unnecessary `collect`.
- Reduce the code duplication a little bit.

---------

Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>

This is used for the steps that use the `macos` runner.

It installs the Rust version that we are using in the [`forklift`
image](https://github.com/paritytech/polkadot-sdk/blob/master/.github/env).

To be used in #5386.

Add support in subsystem-benchmarks to profile memory usage using the
jemalloc builting profiler, this allows us to run each benchmark with
profiling enabled and determine if the memory usage patters are in
conformance with our expectations.

---------

Signed-off-by: Alexandru Gheorghe <alexandru.gheorghe@parity.io>

PR moves rococo and wococo check-runtime-migration jobs to GHA

cc https://github.com/paritytech/ci_cd/issues/1006

closes https://github.com/paritytech/polkadot-sdk/issues/5448

---------

Co-authored-by: Gonçalo Pestana <g6pestana@gmail.com>
Co-authored-by: Ankan <10196091+Ank4n@users.noreply.github.com>

On top of #5082.

## Background

Previously, before #3479, we would
[include](https://github.com/paritytech/polkadot-sdk/blame/75074952/polkadot/runtime/parachains/src/builder.rs#L508C12-L508C44)
the cost enacting the candidate into the cost of processing a single
bitfield.
[Now](https://github.com/paritytech/polkadot-sdk/blame/dd48544a/polkadot/runtime/parachains/src/builder.rs#L529)
it is different, although the benchmarks seems to be not-up-to date.
Including the cost of enacting a candidate into a processing a single
bitfield cost was incorrect, since we multiple that by the number of
bitfields we have. Instead, we should separate calculate the cost of
processing a single bitfield without enactment, and multiple the cost of
enactment by the actual number of processed candidates (which is limited
by the number cores, not validators).

## Bench

Previously, the weight of `enact_candidate` was calculated manually
(without a benchmark) and then neglected:
https://github.com/paritytech/polkadot-sdk/blob/dd48544a

/polkadot/runtime/parachains/src/inclusion/mod.rs#L584

In this PR, we have a benchmark for it and it's based on the number of
ump and sent hrmp messages as well as whether the candidate has a
runtime upgrade (new_validation_code).
The differences from the previous attempt
https://github.com/paritytech/polkadot/pull/6929 are that
* we don't include the cost of enactment into the cost of processing a
backed candidate.
The reason for it is that enactment happens not in the same block as
backing (typically the next one), since we process bitfields before
backing votes.
* we don't take into account the size of the runtime upgrade, the
benchmark weight doesn't seem to depend much on it, but rather whether
there was one or not.

Similarly to the previous attempt, we don't account for dmp messages
(fixed cost). Also we don't account properly for received hrmp messages
(hrmp_watermark) because the cost of it depends on the runtime state and
can't be statically deduced in the benchmark (unless we pass the
information about channels as benchmark u32 arguments).

The total weight cost of processing a parainherent now includes the cost
of enactment of each candidate, but we don't do filtering based on that
(because we enact after processing bitfields and making other changes to
the storage).

## Numbers

```
Reads = 7 + (0 * u) + (3 * h) + (8 * c)
Writes = 10 + (1 * u) + (3 * h) + (7 * c)
```
In addition, there is a fixed cost of a few of ms (!) per candidate. 

This might result a full block slightly overflowing its weight with 200
enacted candidates, which in turn could prevent non-mandatory
transactions from being included in a block.

Given our modest limits on max ump and hrmp messages:
```
  maxUpwardMessageNumPerCandidate: 16
  hrmpMaxMessageNumPerCandidate: 10
```
and the fact that runtime upgrades are can't happen very frequently
(`validation_upgrade_cooldown`), we might only go over the limits in
case of many disputes.

TODOs:
- [x] Fix the overweight test
- [x] Generate the weights for Westend and Rococo
- [x] PRDoc

---------

Co-authored-by: command-bot <>
Co-authored-by: Alin Dima <alin@parity.io>

Changes:
- Backport bot should just commit merge conflicts instead of failing.

# Description

Add `starting_timestamp` function for `Slot` type.

## Integration

This is an addition of public function to a type, so integration should
be seamless for idiomatic use of Rust.

## Review Notes

Since `Slot` is just a slot number, the it's starting timestamp depends
on `SlotDuration` which is a parameter to the added function. This
function can be seen as dual to existing `fn from_timestamp`.
Because there is a potential for overflow, the return type is `Option`.

Q1: should I introduce tests for in this crate and add cases for both
case: overflow (`None`) and no overflow (`Some`)?

Q2: How can I add labels? IMO they should be `T0-node` and `D0-easy` but
I cannot add them using GH interface.

# Checklist

* [x] My PR includes a detailed description as outlined in the
"Description" and its two subsections above.
* [ ] My PR follows the [labeling requirements](CONTRIBUTING.md#Process)
of this project (at minimum one label for `T`
  required)
* External contributors: ask maintainers to put the right label on your
PR.
* [ ] I have made corresponding changes to the documentation (if
applicable)
* [ ] I have added tests that prove my fix is effective or that my
feature works (if applicable)

---------

Co-authored-by: Squirrel <giles.cope@iohk.io>
Co-authored-by: Davide Galassi <davxy@datawok.net>

PR migrates jobs `quick-benchmarks`, `cargo-clippy`, `check-try-runtime`
and `check-core-crypto-features` from Gitlab to GitHub

cc https://github.com/paritytech/ci_cd/issues/1006

---------

Co-authored-by: Maksym H <1177472+mordamax@users.noreply.github.com>

closes #849

## Context

For the background on this and the long-term fix, see
https://github.com/paritytech/polkadot-sdk/issues/849#issuecomment-2247895862.

## Changes

* The weigh files are renamed from `runtime_(parachains|common).*` to
`polkadot_runtime_(parachains|common).*`. The reason for it is the
renaming introduced in #4633. The new weight command and files are
generated now include `polkadot_` prefix.
* The WeightInfo for `paras_inherent` now includes `enter_empty` which
calculates the cost of processing an empty parachains inherent. This
cost is subtracted dynamically when calculating other weights (so the
other weights remain the same)

## Benefits

See
https://github.com/paritytech/polkadot-sdk/issues/849#issuecomment-2247895862,
but TL;DR is that we are not blocked on weights for scaling the number
of validators and cores further.

Resolved questions:
- [x] why new benchmarks for westend are doing fewer db IOPS?
Is it due polkadot-sdk update (db IOPS diff)?
or the bench setup is no longer valid?

https://github.com/polkadot-fellows/runtimes/blob/7723274a2c5cbb10213379271094d5180716ca7d/relay/polkadot/src/weights/runtime_parachains_paras_inherent.rs#L131-L196
Answer: see background section of #5270 

TODOs:
- [x] Rerun benchmarks for Rococo and Westend
- [x] PRDoc

---------

Co-authored-by: command-bot <>

Adds a bot that automatically opens MRs into the `stable2407` branch
when the `A4-needs-backport` label is applied to a merged MR.

TODO:
- [x] ~~Settle on label vs error message trade-off~~ (resolved)

docs:

# Backporting

This document explains how to backport a merged PR from `master` to one
of the `stable*` branches. Backports should only be used to fix bugs or
security issues - never to introduce new features.

## Steps

1. Fix a bug through a PR that targets `master`.
2. Add label `A4-needs-backport` to the PR.
4. Merge the PR into `master`.
5. Wait for the bot to open the backport PR.
6. Ensure the change is audited or does not need audit.
7. Merge the backport PR. 

The label can also be added after the PR is merged.

## Example

For example here where the dev triggered the process by adding the label
after merging:


![backport-ex2](https://github.com/user-attachments/assets/c7b686db-a0fe-41f1-9d6f-959a5a7097b1)

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

Currently, when the pallet is compiled with the `insecure_zero_ed flag`,
benchmarks fail because the minimum balance is set to zero.

The PR aims to resolve this issue by implementing a placeholder value
for the minimum balance when the `insecure_zero_ed` flag is active. it
ensures that benchmarks run successfully regardless of whether this flag
is used or not

Closes https://github.com/paritytech/product-engineering/issues/93

- Deprecates old command bot bash scripts. New cmd implementation is
re-written on Python
- Deprecates `sync` command, which was never used
- Benchmarks:
- Uses new
[frame-omni-bencher](https://crates.io/crates/frame-omni-bencher)
- Simplifies usage to only providing a runtime and/or pallet name (even
multiple runtimes or pallets)
- Supports sub-modules (like `/cmd bench --runtime dev --pallet
pallet_asset_conversion_ops`)
- Can regenerate all weights with one command (substrate, polkadot,
cumulus) for provided pallet(s) name
- Adds [subweight](https://crates.io/crates/subweight-core) diff as a
result of bench command

ISSUE
Link to the issue:
https://github.com/paritytech/polkadot-sdk/issues/3326

Deliverables

[Deprecation] remove pallet::getter usage from pallet-treasury

---------

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Dónal Murray <donal.murray@parity.io>
Co-authored-by: Dónal Murray <donalm@seadanda.dev>
Co-authored-by: Bastian Köcher <git@kchr.de>

Bumps [blake2b_simd](https://github.com/oconnor663/blake2_simd) from
1.0.1 to 1.0.2.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/oconnor663/blake2_simd/commit/1dfcf325200cf281d9313ae79734c828d914d241"><code>1dfcf32</code></a>
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stop using MIPS for big-endian testing</li>
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Bumps [rustversion](https://github.com/dtolnay/rustversion) from 1.0.14
to 1.0.17.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/rustversion/releases">rustversion's
releases</a>.</em></p>
<blockquote>
<h2>1.0.17</h2>
<ul>
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<code>\\?\</code> (<a
href="https://redirect.github.com/dtolnay/rustversion/issues/51">#51</a>)</li>
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<h2>1.0.16</h2>
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<h2>1.0.15</h2>
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Related to: https://github.com/paritytech/polkadot-sdk/issues/3176

This PR:
- migrates test 0003 to the new bridges zombienet tests command
**This test didn't work before and it still doesn't work. It was added
at a time when we couldn't run it because we didn't have the scafolding.
It needs to be fixed. For the moment we keep it in the repo as it is
since the idea has value. But we don't run it in the CI. We can also
decide to remove it in the future**
- removes the old command for running bridge zombienet tests
- updates the README

Related to https://github.com/paritytech/polkadot-sdk/issues/4787

The main changes in this PR are the following:
- making the NodeSpec logic generic on the Block type
- adding an omni-node variant with u64 block number

Apart from this, the PR also moves some of the logic in `service.rs` to
the `common` subfolder

The omni-node variant with u64 block number is not used yet. We have to
either expose the option in the CLI or to read the block number from the
chain spec somehow. Will do it in a future PR.

A test is triggering a log error. But is correct and successful. This is
a refactor without triggering the log error.

Co-authored-by: kianenigma <kian@parity.io>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

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# Description

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✄
-----------------------------------------------------------------------------

Co-authored-by: Dónal Murray <donal.murray@parity.io>

rpc server: listen to `ipv6 socket` if available and `--experimental-rpc-endpoint` CLI option (#4792)

Close https://github.com/paritytech/polkadot-sdk/issues/3488,
https://github.com/paritytech/polkadot-sdk/issues/4331

This changes/adds the following:

1. The default setting is that substrate starts a rpc server that
listens to localhost both Ipv4 and Ipv6 on the same port. Ipv6 is
allowed to fail because some platforms may not support it
2. A new RPC CLI option `--experimental-rpc-endpoint` which allow to
configure arbitrary listen addresses including the port, if this is
enabled no other interfaces are enabled.
3. If the local addr is not found for any of the sockets the server is
not started throws an error.
4. Remove the deny_unsafe from the RPC implementations instead this is
an extension to allow different polices for different interfaces/sockets
such one may enable unsafe on local interface and safe on only the
external interface.

So for instance in this PR it's now possible to start up three RPC
endpoints as follows:
```
$ polkadot --experimental-rpc-endpoint "listen-addr=127.0.0.1:9944,rpc-methods=unsafe" --experimental-rpc-endpoint "listen-addr=0.0.0.0:9945,rpc-methods=safe,rate-limit=100" --experimental-rpc-endpoint "listen-addr=[::1]:9944,optional=true"
```

#### Needs to be addressed

~1. Support binding to a random port if it's fails with the default
stuff for backward compatible reasons~
~2. How to sync that the rpc CLI params and that the rpc-listen-addr
align, hard to maintain...~
~3. Add similar warning prints for exposing unsafe methods on external
interfaces..~
~4. Inline todos + the hacky String conversion from rpc params.~

#### Cons with this PR

Manual strings parsing impl more error-prone than relying on clap....

//cc @jsdw @BulatSaif @PierreBesson @bkchr



---------

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

The accepted divergence rate of 1/1000 is excessive and leads to false
positives especially after
https://github.com/paritytech/polkadot-sdk/pull/4772 and
https://github.com/paritytech/polkadot-sdk/pull/5042, so let's increase
it to 1/100 since we do have some randomness in the system and there is
no point in being that strict.

Fixes: https://github.com/paritytech/polkadot-sdk/issues/5463

---------

Signed-off-by: Alexandru Gheorghe <alexandru.gheorghe@parity.io>