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]>

This PR adds a debug log for displaying all the public addresses that
will later be advertised in the DHT record of the authority. The
Authority DHT record will contain the address ++ `/p2p/peerID` (if not
already present).

This log enables us to check if different nodes will advertise in the
DHT record of the authority the same IP address, however with different
peer IDs.

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

Moved from https://github.com/paritytech/substrate/pull/14788

----

Fixes https://github.com/paritytech/polkadot-sdk/issues/232

This PR introduces outer-macro approach for `construct_runtime` as
discussed in the linked issue. It looks like the following:
```rust
#[frame_support::runtime]
mod runtime {
	#[runtime::runtime]
        #[runtime::derive(
		RuntimeCall,
		RuntimeEvent,
		RuntimeError,
		RuntimeOrigin,
		RuntimeFreezeReason,
		RuntimeHoldReason,
		RuntimeSlashReason,
		RuntimeLockId,
                RuntimeTask,
	)]
	pub struct Runtime;

	#[runtime::pallet_index(0)]
	pub type System = frame_system;

	#[runtime::pallet_index(1)]
	pub type Timestamp = pallet_timestamp;

	#[runtime::pallet_index(2)]
	pub type Aura = pallet_aura;

	#[runtime::pallet_index(3)]
	pub type Grandpa = pallet_grandpa;

	#[runtime::pallet_index(4)]
	pub type Balances = pallet_balances;

	#[runtime::pallet_index(5)]
	pub type TransactionPayment = pallet_transaction_payment;

	#[runtime::pallet_index(6)]
	pub type Sudo = pallet_sudo;

	// Include the custom logic from the pallet-template in the runtime.
	#[runtime::pallet_index(7)]
	pub type TemplateModule = pallet_template;
}
```

## Features
- `#[runtime::runtime]` attached to a struct defines the main runtime
- `#[runtime::derive]` attached to this struct defines the types
generated by runtime
- `#[runtime::pallet_index]` must be attached to a pallet to define its
index
- `#[runtime::disable_call]` can be optionally attached to a pallet to
disable its calls
- `#[runtime::disable_unsigned]` can be optionally attached to a pallet
to disable unsigned calls
- A pallet instance can be defined as `TemplateModule:
pallet_template<Instance>`
- An optional attribute can be defined as
`#[frame_support::runtime(legacy_ordering)]` to ensure that the order of
hooks is same as the order of pallets (and not based on the
pallet_index). This is to support legacy runtimes and should be avoided
for new ones.

## Todo
- [x] Update the latest syntax in kitchensink and tests
- [x] Update UI tests
- [x] Docs

## Extension
- Abstract away the Executive similar to
https://github.com/paritytech/substrate/pull/14742
- Optionally avoid the need to specify all runtime types (TBD)

---------

Co-authored-by: Francisco Aguirre <[email protected]>
Co-authored-by: Nikhil Gupta <>

This functionality is required for #1984.

This PR enables
[`sp-keyring`](https://github.com/paritytech/polkadot-sdk/blob/21d36b7b/substrate/primitives/keyring/src/sr25519.rs#L31-L40)
in `no-std` environments, allowing to generate the public key (e.g.
`AccountKeyring::Alice.public().to_ss58check()`), which can be later
used in the any of built-in [_runtime-genesis-config_
variant](https://github.com/paritytech/polkadot-sdk/blob/21d36b7b/polkadot/node/service/src/chain_spec.rs#L1066-L1073).


The proposal is as follows:
- expose [`core::Pair`
trait](https://github.com/paritytech/polkadot-sdk/blob/d6f15306

/substrate/primitives/core/src/crypto.rs#L832)
in `no-std`,
- `full_crypto` feature enables `sign` method,
- `std` feature enables `generate_with_phrase` and `generate` methods
(randomness is required),
- All other functionality, currently gated by `full_crypto` will be
available unconditionally (`no-std`):
-- `from_string`
-- `from_string_with_seed`
-- `from seed`
-- `from_seed_slice`
-- `from_phrase`
-- `derive`
-- `verify`

---

Depends on https://github.com/rust-bitcoin/rust-bip39/pull/57

---------

Co-authored-by: command-bot <>
Co-authored-by: Davide Galassi <[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.

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

Bumps [handlebars](https://github.com/sunng87/handlebars-rust) from
4.3.7 to 5.1.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/sunng87/handlebars-rust/releases">handlebars's
releases</a>.</em></p>
<blockquote>
<h2>v5.1.0</h2>
<h2>What's Changed</h2>
<ul>
<li>chore(deps-dev): bump follow-redirects from 1.15.2 to 1.15.4 in
/playground/www by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/628">sunng87/handlebars-rust#628</a></li>
<li>Add chained else expression support by <a
href="https://github.com/progmboy"><code>@​progmboy</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/629">sunng87/handlebars-rust#629</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/progmboy"><code>@​progmboy</code></a>
made their first contribution in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/629">sunng87/handlebars-rust#629</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/sunng87/handlebars-rust/compare/v5.0.0...v5.1.0">https://github.com/sunng87/handlebars-rust/compare/v5.0.0...v5.1.0</a></p>
<h2>v5.0.0</h2>
<h2>5.0.0</h2>
<p>A semver major release that introduces some API breaking changes.</p>
<h3>Highlights</h3>
<ul>
<li><code>RenderError</code> has been rewritten for typed error reason.
In previous versions we use string message for <code>RenderError</code>
which is impossible to handle with code. This version introduces
<code>RenderErrorReason</code> so you can use <code>match</code> to deal
various error reasons.</li>
<li>Lifetime in <code>Helper</code> trait has been simplified.</li>
</ul>
<h3>Changes compared to 4.3</h3>
<ul>
<li>[Added] public mutable access to local variables in
<code>BlockContext</code> <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/533">#533</a></li>
<li>[Changed] Simplified lifetime specifiers for <code>Helper</code>,
<code>ScopedJson</code> and some
other related types and functions. <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/532">#532</a></li>
<li>[Changed] Updated <code>TemplateError</code> to reduce its size.
Direct field access is
removed in favor of access methods</li>
<li>[Changed] Introducing <code>RenderErrorReason</code> for typed
render error</li>
<li>[Changed] Changed <code>register_template_directory</code> api for
more customizations
#[610]</li>
<li>[Changed] Updated rust-embed to 8.0</li>
</ul>
<h2>Collaboration Wanted</h2>
<p>I'm looking for collaborations to join the development with me on
this project. Contact via email if your are interested in.</p>
<h2>Auto-generated changelog</h2>
<ul>
<li>chore(deps): update criterion requirement from 0.3 to 0.4 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/530">sunng87/handlebars-rust#530</a></li>
<li>issue 529: simplify lifetime requirements by <a
href="https://github.com/lovasoa"><code>@​lovasoa</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/532">sunng87/handlebars-rust#532</a></li>
<li>Allow public access to local variables by <a
href="https://github.com/lovasoa"><code>@​lovasoa</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/533">sunng87/handlebars-rust#533</a></li>
<li>Fix issue when using partial context within each block by <a
href="https://github.com/sunng87"><code>@​sunng87</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/536">sunng87/handlebars-rust#536</a></li>
<li>chore(deps): update tiny_http requirement from 0.11 to 0.12 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/538">sunng87/handlebars-rust#538</a></li>
<li>fix: enable include-exclude feature for rust-embed by <a
href="https://github.com/sunng87"><code>@​sunng87</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/542">sunng87/handlebars-rust#542</a></li>
<li>Fix looking up provided null value in strict mode by <a
href="https://github.com/sunng87"><code>@​sunng87</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/543">sunng87/handlebars-rust#543</a></li>
<li>chore(deps): update pprof requirement from 0.10 to 0.11 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/544">sunng87/handlebars-rust#544</a></li>
<li>Able to get the missing variable path from error by <a
href="https://github.com/linw1995"><code>@​linw1995</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/546">sunng87/handlebars-rust#546</a></li>
<li>chore(deps): update env_logger requirement from 0.9 to 0.10 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/547">sunng87/handlebars-rust#547</a></li>
<li>fix: loading templates which has multiple extensions by <a
href="https://github.com/sunng87"><code>@​sunng87</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/551">sunng87/handlebars-rust#551</a></li>
<li>Web playground by <a
href="https://github.com/sunng87"><code>@​sunng87</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/548">sunng87/handlebars-rust#548</a></li>
<li>chore(deps): bump loader-utils from 1.2.3 to 1.4.2 in
/playground/www by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sunng87/handlebars-rust/pull/553">sunng87/handlebars-rust#553</a></li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/sunng87/handlebars-rust/blob/master/CHANGELOG.md">handlebars's
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/5.0.0...5.1.0">5.1.0</a>
- 2024-01-17</h2>
<ul>
<li>[Added] Chained <code>else if</code> block support <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/629">#629</a></li>
</ul>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/4.3.4...5.0.0">5.0.0</a>
- 2023-12-31</h2>
<ul>
<li>[Added] public mutable access to local variables in
<code>BlockContext</code> <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/533">#533</a></li>
<li>[Changed] Simplified lifetime specifiers for <code>Helper</code>,
<code>ScopedJson</code> and some
other related types and functions. <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/532">#532</a></li>
<li>[Changed] Updated <code>TemplateError</code> to reduce its size.
Direct field access is
removed in favor of access methods</li>
<li>[Changed] Introducing <code>RenderErrorReason</code> for typed
render error</li>
<li>[Changed] Changed <code>register_template_directory</code> api for
more customizations
#[610]</li>
<li>[Changed] Updated rust-embed to 8.0</li>
</ul>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/4.3.3...4.3.4">4.3.4</a>
- 2022-09-11</h2>
<ul>
<li>[Added] New <code>write_fmt</code> function for <code>Output</code>
<a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/522">#522</a></li>
<li>[Added] <code>reason()</code> method for <code>TemplateError</code>
to access underlying reason,
this replaces original direct <code>.reason</code> access.</li>
<li>[Changed] Direct access to <code>TemplateError</code>'s
<code>reason</code> field is depreacted will
be removed in future.</li>
</ul>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/4.3.2...4.3.3">4.3.3</a>
- 2022-07-20</h2>
<ul>
<li>[Fixed] Disable partial expression indentation with <code>{{~&gt;
partial}}</code> to
bring behavior closer in line with original javascript version. <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/518">#518</a></li>
<li>[Fixed] Support for using partial context together with partial
parameters
<a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/520">#520</a></li>
</ul>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/4.3.1...4.3.2">4.3.2</a>
- 2022-07-14</h2>
<ul>
<li>[Added] Render functions that reuse <code>Context</code> for custom
<code>std::io::Write</code>:
<code>render_with_context_to_write</code> and
<code>render_template_with_context_to_write</code></li>
</ul>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/4.3.0...4.3.1">4.3.1</a>
- 2022-06-09</h2>
<ul>
<li>[Added] Added support for <code>{{~{variable}~}}</code> syntax <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/509">#509</a></li>
</ul>
<h2><a
href="https://github.com/sunng87/handlebars-rust/compare/4.2.2...4.3.0">4.3.0</a>
- 2022-05-18</h2>
<ul>
<li>[Changed] update MSRV to 1.57 as rhai requires</li>
<li>[Fixed] Reimplemented indent support for partial expression
<code>{{&gt; partial}}</code>, which is introduced in 4.2.0. The new
implementation is
aligned with original javascript version, that every text line
generated from partial are indented as <code>{{&gt; partial}}</code>
does. <code>prevent_indent</code> will turn-off this feature. <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/505">#505</a></li>
<li>[Changed] changed error support library from quick_error to
thiserror</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/d8d9a78f4a11d1a5e2ad82cd5277a6edb24d3751"><code>d8d9a78</code></a>
chore: Release handlebars version 5.1.0</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/137bce5863b6782252b966480c497246e904e008"><code>137bce5</code></a>
chore: minor cleanup for chained else support in <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/629">#629</a></li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/e30d8abfa391b643aa93b0e8d5f424f5a436a8c6"><code>e30d8ab</code></a>
Merge pull request <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/629">#629</a>
from progmboy/else_chain</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/8f16353281b565007ffccddcb8178389aa3bcdc1"><code>8f16353</code></a>
format code</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/786d132c1deb295b1fc77441d85201b556685b82"><code>786d132</code></a>
add else chain support</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/23672e837bf731a609080366450e587960d39b69"><code>23672e8</code></a>
Merge pull request <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/628">#628</a>
from sunng87/dependabot/npm_and_yarn/playground/www/f...</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/b849efd171e2ec598383605349f4ef8bcd6b8631"><code>b849efd</code></a>
chore(deps-dev): bump follow-redirects in /playground/www</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/7071c9d3ba572b7ac7f29bee43b2f4501652de83"><code>7071c9d</code></a>
test: add test for error reason</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/4664a345f373eb9a96b1281640396d098221a28c"><code>4664a34</code></a>
(cargo-release) version 5.0.0</li>
<li><a
href="https://github.com/sunng87/handlebars-rust/commit/ca277489dc80d2392c0029994e59ed26beb64636"><code>ca27748</code></a>
Merge pull request <a
href="https://redirect.github.com/sunng87/handlebars-rust/issues/625">#625</a>
from sunng87/refactor/render-error-reason-2</li>
<li>Additional commits viewable in <a
href="https://github.com/sunng87/handlebars-rust/compare/v4.3.7...v5.1.0">compare
view</a></li>
</ul>
</details>
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Signed-off-by: dependabot[bot] <[email protected]>
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Co-authored-by: Bastian Köcher <[email protected]>

Fixes #3642 

This PR implements the weight refund of
`pallet_collator_selection::set_candidacy_bond` to account for no
iterations when the bond is decreased.

---------

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

# Description

*Removes the deprecated `trait Store` feature from the code base*

Fixes #222

---------

Co-authored-by: Dónal Murray <[email protected]>

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.

As I've been dancing around this pallet for quite some time anyway, I
decided to remove getters at once. There were only a few leftovers in
tests.

Related: #3326 
CC @muraca

This fixes the behaviour of `Linear` which is the default implementation
of the `AdaptPrice` trait in the broker pallet. Previously if cores were
offered but not sold in only one sale, the price would be set to zero
and due to the logic being purely multiplicative, the price would stay
at 0 indefinitely.

This could be further paired with a configurable minimum in the broker
pallet itself, which will be a future PR.

This affects the Rococo and Westend Coretime chains, but Kusama has a
different implementation so this isn't required for the Kusama launch. I
actually thought I opened this a while ago.

---------

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

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

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

This PR add extra checks for the input fields in the GHA which does the
docker image build and publishing.

This documentation guide to address an incorrect exchange rate for a
non-withdrawable pool.

## Context

Implementing `HolderOf(collection_id)` we have observed a fancy glitch
where pallet deposits event with incorrect values

### Test case 

[Observe following
extrinsic](https://assethub-polkadot.subscan.io/extrinsic/0xdc72321b7674aa209c2f194ed49bd6bd12708af103f98b5b9196e0132dcba777)

To mint in collection `51` user needs to be `HolderOf(50)`.
Therefore current user is owner of item `394` `witness_data {
owned_item: 394 }`

All checking is done correctly, storage is updated correctly

 
![photo_2023-12-18 16 07
11](https://github.com/paritytech/polkadot-sdk/assets/22471030/ca991272-156d-4db1-97b2-1a2873fc5d3f)

However the event which is emitted does not make semantic sense as we
updated storage for `50-394` not for `51-114`

![photo_2023-12-18 16 07
17](https://github.com/paritytech/polkadot-sdk/assets/22471030/c998a92c-e306-4433-aad8-103078140e23)

## The fix 

This PR fixes that depositing `PalletAttributeSet` emits correct values.

---------

Co-authored-by: Jegor Sidorenko <[email protected]>
Co-authored-by: Jegor Sidorenko <[email protected]>

This PR replaces the usage of
[secp256k](https://crates.io/crates/secp256k1) crate with
[k256](https://crates.io/crates/k256) in `core::crypto::ecdsa` for
`non-std` environments as outcome of discussion in #3448.

`secp256k1` is used in `std`, meaning that we should not affect host
performance with this PR.
`k256` is enabled in runtimes (`no-std`), and is required to proceed
with #2044.

If desirable, in future we can switch to `k256` also for `std`. That
would require some performance evaluation (e.g. for EVM chains as per
https://github.com/paritytech/polkadot-sdk/issues/3448#issuecomment-1976780391).

Closes https://github.com/paritytech/polkadot-sdk/issues/3448

---------

Co-authored-by: command-bot <>
Co-authored-by: Davide Galassi <[email protected]>

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

Co-authored-by: Alexander Theißen <[email protected]>
Co-authored-by: command-bot <>

Rustfmt will add a trailing comma for longer expression, this change
will make sure that the Range parameters can still be parsed.

---------

Co-authored-by: command-bot <>
Co-authored-by: Alexander Theißen <[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]>

ApiVersion should have been bumped with
https://github.com/paritytech/polkadot-sdk/pull/3606
this does that and add a test so we don't forget to do that everytime

This is a refactoring, no changes to the logic are included (if you find
some, report :D).

## Change Overview
In https://github.com/paritytech/polkadot-sdk/issues/2455, dependency on
actual runtimes was removed for the system parachains. This means that
the trait bounds we have on various `start_node_xy` do not check
anything anymore, since they all point to the same runtime. Exception is
asset-hub-polkadot which uses a different key type.

This PR unifies the different nodes as much as possible.
`start_node_impl` is doing the heavy lifting and has been made a bit
more flexible to support the rpc extension instantiation that was there
before.

The generics for `Runtime` and `AuraId` have been removed where
possible. The fake runtime is imported as `FakeRuntime` to make it very
clear to readers that it is not the generic parameter.

Multiple nodes where using the same import queue/start_consensus
closure, they have been unified.

---------

Co-authored-by: Kian Paimani <[email protected]>
Co-authored-by: Francisco Aguirre <[email protected]>
Co-authored-by: Adrian Catangiu <[email protected]>
Co-authored-by: Egor_P <[email protected]>
Co-authored-by: Dmitry Markin <[email protected]>
Co-authored-by: Xiliang Chen <[email protected]>
Co-authored-by: Andrei Eres <[email protected]>
Co-authored-by: Alexander Samusev <[email protected]>
Co-authored-by: Alin Dima <[email protected]>
Co-authored-by: gupnik <[email protected]>
Co-authored-by: Liam Aharon <[email protected]>
Co-authored-by: Dónal Murray <[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

Oversight from PR https://github.com/paritytech/polkadot-sdk/pull/3384.
These 2 functions should have been tagged as stable

Unfortunately, the flakiness wasn't fixed by
https://github.com/paritytech/polkadot-sdk/pull/3595. Let's disable the
test in the meanwhile since it is hanging on the CI a lot.

---------

Co-authored-by: Liam Aharon <[email protected]>

This is not maintained, and we should be able to get information
from the release changelog

substrate.io deprecation companion:
https://github.com/substrate-developer-hub/substrate-docs/pull/2139
pba-content companion:
https://github.com/Polkadot-Blockchain-Academy/pba-content/pull/978

partially inspired by:
https://github.com/paritytech/polkadot-sdk/issues/3535

---------

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

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]>

Currently, pool member funds cannot be unbonded if the depositor's stake
is less than `MinNominatorBond`. This usually happens after
`T::MinNominatorBond` is increased.

To fix this, the above mentioned condition is added as a case for
permissionless dispatch of `chill`. After pool is chilled, pool members
can unbond their funds since pool won't be nominating anymore.

Consequently, same check is added to `nominate` call, i.e pool can not
start nominating if it's depositor does not have `MinNominatorBond`

cc @Ank4n @Kianenigma

 

closes #2350

Polkadot address: 16FqwPZ8GRC5U5D4Fu7W33nA55ZXzXGWHwmbnE1eT6pxuqcT

---------

Co-authored-by: Ankan <[email protected]>
Co-authored-by: Gonçalo Pestana <[email protected]>
Co-authored-by: command-bot <>

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]>

In order to prepare for PolkaVM support I removed the wat support from
our test fixture crate.

- Removed redundant tests (invalid module checks are already inside the
prepare module where they belong
- Converted the gas_sync tests to Rust
- Moved the start function test to the `wasm` module

The current `penpal` runtime utilizes the `EthereumLocation` parameter,
which is employed for XCM emulated integration tests concerning the
Rococo <> ETH bridge. It includes a hard-coded chainId for the Ethereum
testnet utilized in Rococo. The `EthereumLocation` serves the purpose of
aligning with the `TrustedReserves`. However, due to this hard-coded
configuration, reusing `penpal` for testing various environments such as
Kusama/Polkadot versus Ethereum bridge becomes unfeasible.

This PR introduces the capability to easily customize the asset location
for `TrustedReserves` without needing to know anything about Ethereum.


## TODO
- [x] fix integration tests with
`System::set_storage(CustomizableAssetFromSystemAssetHub::key(),
<whatever-location-is-needed>)` @claravanstaden
- [ ] ~~maybe add some helper function/macro to support `set_storage`
for other runtimes (that we could reuse)~~
- [ ] Release patch for: `penpal-runtime` + emulated crate with
`set_storage` support (if needed)
  - [ ] backport to 1.7.0
  - [ ] backport to 1.8.0

---------

Co-authored-by: Clara van Staden <[email protected]>

Co-authored-by: Cyrill Leutwiler <[email protected]>
Co-authored-by: command-bot <>
Co-authored-by: Alexander Theißen <[email protected]>

This PR extends the Initialized event of the chainHead_follow
subscription.

Now, the event provides multiple finalized block hashes. This
information allows clients that are disconnected, and that want to
reconnect, to not lose information about the state of the chain.

At the moment, the spec encourages servers to provide at least 1 minute
of finalized blocks (~10 blocks). The users are responsible for
unpinning these blocks at a later time. This PR tries to report at least
1 finalized block and at most 16 blocks, if they are available.


Closes: https://github.com/paritytech/polkadot-sdk/issues/3432
cc @paritytech/subxt-team

---------

Signed-off-by: Alexandru Vasile <[email protected]>
Co-authored-by: Niklas Adolfsson <[email protected]>

Hopefully helps with test flakiness.

This PR makes `sc-network-sync` types public following
[this](https://github.com/paritytech/polkadot-sdk/issues/3556) issue.

Fixes #3556