This PR enhances **`test_log_capture`**, ensuring logs are **captured
for assertions** and **printed to the console** during test execution.

## **Motivation**  

- Partially addresses #6119 and #6125, to improves developer **tracing
and debugging** in XCM-related tests.
- Builds on #7594, improving **log visibility** while maintaining test
**log capture capabilities**.
- While writing tests for #7234, I noticed this function was missing.
This PR adds it to streamline log handling in unit tests.

## **Changes**  

- Ensures logs up to `TRACE` level are **captured** (for assertions) and
**printed** (for visibility).
- Refines documentation to clearly specify **when to use** each
function.
- **Removes ANSI escape codes** from captured logs to ensure clean,
readable assertions.

## **When to Use?**  

| Usage | Captures Logs? | Prints Logs? | Example |

|----------------------------------------------|-----------------|--------------|-----------------------------------------------|
| `init_log_capture(LevelFilter::INFO, false)` |  Yes |  No | Capture
logs for assertions without printing. |
| `init_log_capture(LevelFilter::TRACE, true)` |  Yes |  Yes | Capture
logs and print them in test output. |
| `sp_tracing::init_for_tests()` |  No | 

 Yes | Print logs to the
console without capturing. |

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

I added a new `ExternalConsensusLocationsConverterFor` struct to handle
external global consensus locations and their child locations.
This struct extends the functionality of existing converters
(`GlobalConsensusParachainConvertsFor` and
`EthereumLocationsConverterFor`) while maintaining backward
compatibility.

Fixes https://github.com/paritytech/polkadot-sdk/issues/7129

Polkadot address: 121HJWZtD13GJQPD82oEj3gSeHqsRYm1mFgRALu4L96kfPD1

---------

Co-authored-by: Adrian Catangiu <adrian@parity.io>
Co-authored-by: ndk <ndk@parity.io>

- Refactor to use the `frame` crate.
- Use procedural macro version `construct_runtime` in mock.
- Expose `PalletId` to `frame::pallet_prelude`.
- Part of #6202.

---

Polkadot address: 156HGo9setPcU2qhFMVWLkcmtCEGySLwNqa3DaEiYSWtte4Y

---------

Signed-off-by: Xavier Lau <x@acg.box>
Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: Giuseppe Re <giuseppe.re@parity.io>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

When working with storage types that are to be set in the genesis block,
deriving serde::Serialize & serde::Deserialize is necessary (to my
knowledge). This PR introduces Serialize and Deserialize into the
umbrella crate derive (and indirectly prelude) module, allowing for
similar access as the other storage value derives.

---------

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Bastian Köcher <git@kchr.de>

Last subtask from
https://github.com/paritytech/polkadot-sdk/issues/5704.

Closes #5704.

The substrate-node is not 100% free of the native runtime yet, but the
code has become less convoluted and better documented. The final cleanup
needs https://github.com/paritytech/polkadot-sdk/issues/7748.

---------

Co-authored-by: Michal Kucharczyk <1728078+michalkucharczyk@users.noreply.github.com>

Fixes https://github.com/paritytech/polkadot-sdk/issues/6157

This fixes the last remaining benchmark that was not correct since it
was too low level to be written in Rust. Instead, we opted.

This PR changes the benchmark that determines the scaling from
`ref_time` to PolkaVM `Gas` by benchmarking the absolute worst case of
an instruction: One that causes two cache misses by touching two cache
lines.

The Contract itself is designed to be as simple as possible. It does
random unaligned reads in a loop until the `r` (repetition) number is
reached. The randomness is fully generated by the host and written to
the guests memory before the benchmark is run. This allows the benchmark
to determine the influence of one loop iteration via linear regression.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: xermicus <cyrill@parity.io>
Co-authored-by: PG Herveou <pgherveou@gmail.com>

Fixes https://github.com/paritytech/polkadot-sdk/issues/6723

## Motivation

Internal auditors recommended to not truncate Polkadot Addresses when
deriving Ethereum addresses from it. Reasoning is that they are raw
public keys where truncating could lead to collisions when weaknesses in
those curves are discovered in the future. Additionally, some pallets
generate account addresses in a way where only the suffix we were
truncating contains any entropy. The changes in this PR act as a safe
guard against those two points.

## Changes made

We change the `to_address` function to first hash the AccountId32 and
then use trailing 20 bytes as `AccountId20`. If the `AccountId32` ends
with 12x 0xEE we keep our current behaviour of just truncating those
trailing bytes.

## Security Discussion

This will allow us to still recover the original `AccountId20` because
those are constructed by just adding those 12 bytes. Please note that
generating an ed25519 key pair where the trailing 12 bytes are 0xEE is
theoretically possible as 96bits is not a huge search space. However,
this cannot be used as an attack vector. It will merely allow this
address to interact with `pallet_revive` without registering as the
fallback account is the same as the actual address. The ultimate vanity
address. In practice, this is not relevant since the 0xEE addresses are
not valid public keys for sr25519 which is used almost everywhere.

tl:dr: We keep truncating in case of an Ethereum address derived account
id. This is safe as those are already derived via keccak. In every other
case where we have to assume that the account id might be a public key.
Therefore we first hash and then take the trailing bytes.

## Do we need a Migration for Westend

No. We changed the name of the mapping. This means the runtime will not
try to read the old data. Ethereum keys are unaffected by this change.
We just advise people to re-register their AccountId32 in case they need
to use it as it is a very small circle of users (just 3 addresses
registered). This will not cause disturbance on Westend.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Closes https://github.com/paritytech/polkadot-sdk/issues/7707

We need to add `pallet-revive` to penpal westend for testing
cross-contract XCM scenarios purposes

Extracted from #7473.

Part of: https://github.com/paritytech/polkadot-sdk/issues/5704.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Branislav Kontur <bkontur@gmail.com>

There were already previous efforts to remove the contracts-rococo
chain, see #5471, which was done as a response to this comment
https://github.com/paritytech/polkadot-sdk/pull/5288#discussion_r1711157476.

This PR intends to fix the parts that were overlooked back then, and
remove all traces of contracts-rococo as it is intended to be replaced
by a new testnet including pallet-revive.

The runtime API implemented version is not explicitly shown in metadata,
so here we add it to improve developer experience.
We need to bump `frame-metadata` and `merkleized-metadata` to allow this
new feature.

This closes #7352 .

_Refactor_: also changing all the occurrences of `ViewFunctionMethod` to
just `ViewFunction` for metadata types.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Partly fixes #7403

Subxt depends still on sp-crypto-hashing v0.7 but it's only one
dependency after removing the substrate-compat feature which is probably
"acceptable"

# Description

Fixes #7413

## Integration

This PR updates the `DryRunApi`. The signature of the `dry_run_call` is
changed, and the XCM version of the return values of `dry_run_xcm` now
follows the version of the input XCM program.

## Review Notes

* **The `DryRunApi` is modified**
* **Added the `Router::clear_messages` to `dry_run_xcm` common
implementation**
* **Fixed the xcmp-queue's Router's clear_messages: channels details'
first_index and last_index are reset when clearing**
* **The MIN_XCM_VERSION is added**
* The common implementation in the `pallet-xcm` is modified accordingly
* The `DryRunApi` tests are modified to account for testing old XCM
versions
* The implementation from the `pallet-xcm` is used where it was not used
(including the `DryRunApi` tests)
* All the runtime implementations are modified according to the Runtime
API change

---------

Co-authored-by: Adrian Catangiu <adrian@parity.io>

Adding chain-spec-builder as a subcommand into Polkadot omni node

Essentially, this locks `bandersnatch_vrfs` to a specific branch of a
repository I control. This is a temporary workaround to avoid issues
like https://github.com/paritytech/polkadot-sdk/issues/7653 until
https://github.com/paritytech/polkadot-sdk/pull/7669 is ready.

Closes: https://github.com/paritytech/polkadot-sdk/issues/7653 

@drskalman

---------

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

# Description

Added logs in pallet-xcm to help in debugging, fixes #2408, and in
continuation of #4982

# Checklist

- [x]
https://github.com/paritytech/polkadot-sdk/blob/master/polkadot/xcm/xcm-builder/src/
- [x]
https://github.com/paritytech/polkadot-sdk/tree/master/cumulus/parachains/runtimes/assets/common/src
- [x] runtime-defined XCM filters/converters (just [one
example](https://github.com/paritytech/polkadot-sdk/blob/183b55aa

/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/xcm_config.rs#L284))

Polkadot Address: 1Gz5aLtEu2n4jsfA6XwtZnuaRymJrDDw4kEGdNHTdxrpzrc

---------

Co-authored-by: Ayevbeosa Iyamu <aiyamu@vatebra.com>
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: Adrian Catangiu <adrian@parity.io>
Co-authored-by: Raymond Cheung <178801527+raymondkfcheung@users.noreply.github.com>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Remove JS examples, they now belongs to the evm-test-suite repo

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Extracted from #7473.

Part of: https://github.com/paritytech/polkadot-sdk/issues/5704.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

This PR updates litep2p to version 0.9.1. The yamux config is entirely
removed to mirror the libp2p yamux upstream version.
While at it, I had to bump indexmap and URL as well. 


## [0.9.1] - 2025-01-19

This release enhances compatibility between litep2p and libp2p by using
the latest Yamux upstream version. Additionally, it includes various
improvements and fixes to boost the stability and performance of the
WebSocket stream and the multistream-select protocol.

### Changed

- yamux: Switch to upstream implementation while keeping the controller
API ([#320](https://github.com/paritytech/litep2p/pull/320))
- req-resp: Replace SubstreamSet with FuturesStream
([#321](https://github.com/paritytech/litep2p/pull/321))
- cargo: Bring up to date multiple dependencies
([#324](https://github.com/paritytech/litep2p/pull/324))
- build(deps): bump hickory-proto from 0.24.1 to 0.24.3
([#323](https://github.com/paritytech/litep2p/pull/323))
- build(deps): bump openssl from 0.10.66 to 0.10.70
([#322](https://github.com/paritytech/litep2p/pull/322))

### Fixed

- websocket/stream: Fix unexpected EOF on `Poll::Pending` state
poisoning ([#327](https://github.com/paritytech/litep2p/pull/327))
- websocket/stream: Avoid memory allocations on flushing
([#325](https://github.com/paritytech/litep2p/pull/325))
- multistream-select: Enforce `io::error` instead of empty protocols
([#318](https://github.com/paritytech/litep2p/pull/318))
- multistream: Do not wait for negotiation in poll_close
([#319](https://github.com/paritytech/litep2p/pull/319))

cc @paritytech/networking

---------

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

Ref https://github.com/paritytech/ci_cd/issues/1107

We mainly need that so that we can finally compile the `pallet_revive`
fixtures on stable. I did my best to keep the commits focused on one
thing to make review easier.

All the changes are needed because rustc introduced more warnings or is
more strict about existing ones. Most of the stuff could just be fixed
and the commits should be pretty self explanatory. However, there are a
few this that are notable:

## `non_local_definitions `

A lot of runtimes to write `impl` blocks inside functions. This makes
sense to reduce the amount of conditional compilation. I guess I could
have moved them into a module instead. But I think allowing it here
makes sense to avoid the code churn.

## `unexpected_cfgs`

The FRAME macros emit code that references various features like `std`,
`runtime-benchmarks` or `try-runtime`. If a create that uses those
macros does not have those features we get this warning. Those were
mostly when ...

Add the sudo pallet to coretime-westend, allowing use in
development/testing. Previously the coretime-rococo runtime was used in
situations like this, but since Rococo is now gone this can be used
instead.

No sudo key is added to Westend storage with this PR, since it's likely
that any updates will continue to be done over XCM. If this is something
that is wanted the key can be set via XCM.

---------

Co-authored-by: command-bot <>
Co-authored-by: Maksym H <1177472+mordamax@users.noreply.github.com>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Extracted from #7473.

Part of: https://github.com/paritytech/polkadot-sdk/issues/5704.

---------

Co-authored-by: Guillaume Thiolliere <guillaume.thiolliere@parity.io>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Closes: https://github.com/paritytech/polkadot-sdk/issues/7272
Relates to: https://github.com/paritytech/polkadot-sdk/pull/6578
Relates to: https://github.com/paritytech/polkadot-sdk/issues/7274

## Description

The PR enhances the `pallet-bridge-rewards` by making it generic over
the `RewardKind` type (previously hardcoded as `RewardsAccountParams`).
This modification allows the pallet to support multiple reward types
(e.g., P/K bridge, Snowbridge), increasing its flexibility and
applicability across various bridge scenarios.

Other pallets can register rewards using `bp_relayers::RewardLedger`,
which is implemented by the rewards pallet. The runtime can then be
configured with different mechanisms for paying/claiming rewards via
`bp_relayers::PaymentProcedure` (e.g., see the `pub struct
BridgeRewardPayer;` implementation for BridgeHubWestend).

## Follow-up  
The removed balances/rewards statistics from the complex relay (no
longer used) will eventually be reintroduced or fixed in the standalone
relayers via
https://github.com/paritytech/parity-bridges-common/issues/3004#issuecomment-2401634589.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
Co-authored-by: Serban Iorga <serban@parity.io>

XCM: Deny barrier checks for nested XCMs with specific instructions to be executed on the local chain (#7200)

Resolves (partially):
https://github.com/paritytech/polkadot-sdk/issues/7148
Depends on: https://github.com/paritytech/polkadot-sdk/pull/7169

# Description

This PR addresses partially #7148 (Problem 2) and ensures the proper
checking of nested local instructions. It introduces a new barrier -
`DenyRecursively` - to provide more refined control over instruction
denial. The main change is the replacement of `DenyThenTry<Deny, Allow>`
with `DenyThenTry<DenyRecursively<Deny>, Allow>` which handles both
top-level and nested local instructions by applying allow condition
after denial.

For context and additional information, please refer to [_Problem 2 -
Barrier vs nested XCM
validation_](https://github.com/paritytech/polkadot-sdk/issues/7148).

# TODO
- [x] Evaluate PoC, more details at #7351:
    - **DenyNestedXcmInstructions**: Keep it as it is and be explicit:
        1. Name the Deny barriers for the top level.
2. Name the Deny barrier for nested with `DenyInstructionsWithXcm`.
- **DenyThenTry<DenyInstructionsWithXcm<Deny>, Allow>**: Alternatively,
hard-code those three instructions in `DenyThenTry`, so we wouldn’t need
`DenyInstructionsWithXcm`. However, this approach wouldn’t be as
general.
- **DenyInstructionsWithXcmFor**: Another possibility is to check
`DenyInstructionsWithXcm::Inner` for the actual `message`, so we don’t
need duplication for top-level and nested (not sure, maybe be explicit
is good thing) - see _Problem2 - example_. Instead of this:
   ```
  DenyThenTry<
                (
                               // Deny for top level XCM program 
                               DenyReserveTransferToRelayChain,
// Dedicated barrier for nested XCM programs
                               DenyInstructionsWithXcmFor<
// Repeat all Deny filters here
DenyReserveTransferToRelayChain,
                                >
                ),
   ```
  we could just use:
   ```
  DenyThenTry<
                (
                               // Dedicated barrier for XCM programs
                               DenyInstructionsWithXcmFor<
// Add all `Deny` filters here
DenyReserveTransferToRelayChain,
                                                ...
                                >
                ),
   ```
- [POC
Evaluation](https://github.com/paritytech/polkadot-sdk/pull/7200#discussion_r1939288792)
- [x] Consider better name `DenyInstructionsWithXcm` =>
`DenyRecursively`, more details at
[here](https://github.com/paritytech/polkadot-sdk/pull/7200#discussion_r1958588973)
- [x] Clean-up and docs
- [x] Merge https://github.com/paritytech/polkadot-sdk/pull/7169 or
rebase this branch on the top of `yrong:fix-for-deny-then-try`
- [x] Set for the runtimes where we use `DenyThenTry<Deny, Allow>` =>
`DenyThenTry<DenyRecursively<Deny>, Allow>`
- [ ] Schedule sec.audit

---------

Co-authored-by: Raymond Cheung <178801527+raymondkfcheung@users.noreply.github.com>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: ron <yrong1997@gmail.com>
Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
Co-authored-by: Clara van Staden <claravanstaden64@gmail.com>
Co-authored-by: Adrian Catangiu <adrian@parity.io>

Recreation of https://github.com/paritytech/polkadot-sdk/pull/7357 on
top of master. The old PR messes up the git history too much so I am
recreating it from scratch.

This PR is work in progress. It's purpose is to commit initial structure
of `pallet-staking-ah-client` and `pallet-staking-rc-client` to master.
The changes will be polished by a follow up PRs which will be
backported.

Related issues: https://github.com/paritytech/polkadot-sdk/issues/6167
and https://github.com/paritytech/polkadot-sdk/issues/6166

This PR introduces the initial structure for `pallet-ah-client` and
`pallet-rc-client`. These pallets will reside on the relay chain and
AssetHub, respectively, and will manage the interaction between
`pallet-session` on the relay chain and `pallet-staking` on AssetHub.

Both pallets are experimental and not intended for production use.

TODOs:
- [ ] Probably handle
https://github.com/paritytech/polkadot-sdk/issues/6344 here.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Ankan <10196091+Ank4n@users.noreply.github.com>

Implements the `web3_clientVersion` method. This is a common requirement
for external Ethereum libraries when querying a client.

Fixes paritytech/contract-issues#26.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Add emulated e2e tests for following scenarios:

Exporting native asset to another ecosystem:
- Sending WNDs from Penpal Westend to Penpal Rococo: PPW->AHW->AHR->PPR
- Sending WNDs from Westend Relay to Penpal Rococo: W->AHW->AHR->PPR
   Example: Westend Treasury funds something on Rococo Parachain.

Importing native asset from another ecosystem to its native ecosystem:
- Sending ROCs from Penpal Westend to Penpal Rococo: PPW->AHW->AHR->PPR
- Sending ROCs from Penpal Westend to Rococo Relay: PPW->AHW->AHR->R
   Example: Westend Parachain returns some funds to Rococo Treasury.

Signed-off-by: Adrian Catangiu <adrian@parity.io>

Update to latest version of `frame-metadata` in order to support pallet
view function metadata.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Closes #4315

---------

Co-authored-by: Guillaume Thiolliere <guillaume.thiolliere@parity.io>

Bumps [enumflags2](https://github.com/meithecatte/enumflags2) from 0.7.7
to 0.7.11.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/meithecatte/enumflags2/releases">enumflags2's
releases</a>.</em></p>
<blockquote>
<h2>Release 0.7.10</h2>
<ul>
<li>Fix a case where the <code>#[bitflags]</code> macro would access the
crate through <code>enumflags2::...</code> instead of
<code>::enumflags2::...</code>. This makes the generated code more
robust and avoids triggering the <code>unused_qualifications</code>
lint. (<a
href="https://redirect.github.com/meithecatte/enumflags2/issues/58">#58</a>)</li>
<li>Rework the proc-macro to use <code>syn</code> with the
<code>derive</code> feature (as opposed to <code>full</code>). This
reduces the <code>cargo build</code> time for <code>enumflags2</code> by
about 20%.</li>
</ul>
<h2>Release 0.7.9</h2>
<ul>
<li>The <code>BitFlag</code> trait now includes convenience re-exports
for the constructors of <code>BitFlags</code>. This lets you do
<code>MyFlag::from_bits</code> instead
<code>BitFlags::&lt;MyFlag&gt;::from_bits</code> where the type of the
flag cannot be inferred from context (thanks <a
href="https://github.com/ronnodas"><code>@​ronnodas</code></a>).</li>
<li>The documentation now calls out the fact that the implementation of
<code>PartialOrd</code> may not be what you expect (reported by <a
href="https://github.com/ronnodas"><code>@​ronnodas</code></a>).</li>
</ul>
<h2>Release 0.7.8</h2>
<ul>
<li>New API: <code>BitFlags::set</code>. Sets the value of a specific
flag to that of the <code>bool</code> passed as argument. (thanks, <a
href="https://github.com/m4dh0rs3"><code>@​m4dh0rs3</code></a>)</li>
<li><code>BitFlags</code> now implements <code>PartialOrd</code> and
<code>Ord</code>, to make it possible to use it as a key in a
<code>BTreeMap</code>.</li>
<li>The bounds on the implementation of <code>Hash</code> got improved,
so that it is possible to use it in code generic over <code>T:
BitFlag</code>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/cc09d89bc4ef20fbf4c8016a40e160fe47b2d042"><code>cc09d89</code></a>
Release 0.7.11</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/24f03afbd0c23adaf0873a941600bd0b3b7ba302"><code>24f03af</code></a>
make_bitflags: Allow omitting { } for singular flags</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/754a8de723c54c79b2a8ab6993adc59b478273b0"><code>754a8de</code></a>
Expand some aspects of the documentation</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/aec9558136a53a952f39b74a4a0688a31423b815"><code>aec9558</code></a>
Update ui tests for latest nightly</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/8205d5ba03ccc9ccb7407693440f8e47f8ceeeb4"><code>8205d5b</code></a>
Release 0.7.10</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/1c78f097165436d043f48b9f6183501f84ff965f"><code>1c78f09</code></a>
Run clippy with only the declared syn features</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/561fe5eaf7ba6daeb267a41343f6def2a8b86ad7"><code>561fe5e</code></a>
Emit a proper error if bitflags enum is generic</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/f3bb174beb27a1d1ef28dcf03fb607a3bb7c6e55"><code>f3bb174</code></a>
Avoid depending on syn's <code>full</code> feature flag</li>
<li><a
href="https://github.com/meithecatte/enumflags2/commit/e01808be0f151ac251121833d3225debd253ca3a"><code>e01808b</code></a>
Always use absolute paths in generated proc macro code</li>
<li><a
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## Multi Block Election Pallet

This PR adds the first iteration of the multi-block staking pallet. 

From this point onwards, the staking and its election provider pallets
are being customized to work in AssetHub. While usage in solo-chains is
still possible, it is not longer the main focus of this pallet. For a
safer usage, please fork and user an older version of this pallet.

---

## Replaces

- [x] https://github.com/paritytech/polkadot-sdk/pull/6034 
- [x] https://github.com/paritytech/polkadot-sdk/pull/5272

## Related PRs: 

- [x] https://github.com/paritytech/polkadot-sdk/pull/7483
- [ ] https://github.com/paritytech/polkadot-sdk/pull/7357
- [ ] https://github.com/paritytech/polkadot-sdk/pull/7424
- [ ] https://github.com/paritytech/polkadot-staking-miner/pull/955

This branch can be periodically merged into
https://github.com/paritytech/polkadot-sdk/pull/7358 ->
https://github.com/paritytech/polkadot-sdk/pull/6996

## TODOs: 

- [x] rebase to master 
- Benchmarking for staking critical path
  - [x] snapshot
  - [x] election result
- Benchmarking for EPMB critical path
  - [x] snapshot
  - [x] verification
  - [x] submission
  - [x] unsigned submission
  - [ ] election results fetching
- [ ] Fix deletion weights. Either of
  - [ ] Garbage collector + lazy removal of all paged storage items
  - [ ] Confirm that deletion is small PoV footprint.
- [ ] Move election prediction to be push based. @tdimitrov 
- [ ] integrity checks for bounds 
- [ ] Properly benchmark this as a part of CI -- for now I will remove
them as they are too slow
- [x] add try-state to all pallets
- [x] Staking to allow genesis dev accounts to be created internally
- [x] Decouple miner config so @niklasad1 can work on the miner
72841b73
- [x] duplicate snapshot page reported by @niklasad1

 
- [ ] https://github.com/paritytech/polkadot-sdk/pull/6520 or equivalent
-- during snapshot, `VoterList` must be locked
- [ ] Move target snapshot to a separate block

---------

Co-authored-by: Gonçalo Pestana <g6pestana@gmail.com>
Co-authored-by: Ankan <10196091+Ank4n@users.noreply.github.com>
Co-authored-by: command-bot <>
Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Giuseppe Re <giuseppe.re@parity.io>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

#### Description 
Currently the transaction which is reported as invalid by a block
builder (or `removed_invalid` by other components) is silently skipped.

This PR improves this behavior. The transaction pool `report_invalid`
function now accepts optional error associated with every reported
transaction, and also the optional block hash which provides hints how
reported transaction shall be handled. The following API change is
proposed:

https://github.com/paritytech/polkadot-sdk/blob/8be5ef3e/substrate/client/transaction-pool/api/src/lib.rs#L297-L318
Depending on error, the transaction pool can decide if transaction shall
be removed from the view only or entirely from the pool. Invalid event
will be dispatched if required.


#### Notes for reviewers

- Actual logic of removing invalid txs is implented in
[`ViewStore::report_invalid`](https://github.com/paritytech/polkadot-sdk/blob/0fad26c4/substrate/client/transaction-pool/src/fork_aware_txpool/view_store.rs#L657-L680).
Method's doc explains the flow.
- This PR changes `HashMap` to `IndexMap` in revalidation logic. This is
to preserve the original order of transactions (mainly for purposes of
unit tests).
- This PR solves the problem mentioned in:
https://github.com/paritytech/polkadot-sdk/issues/5477#issuecomment-2598809344
(which can now be resolved). The invalid transactions found during
mempool revalidation are now also removed from the `view_store`. No
dangling invalid transaction shall be left in the pool.
(https://github.com/paritytech/polkadot-sdk/pull/6661/commits/bfec2625)
- The support for dropping invalid transactions reported from the views
was also added. This should never happen, but if for any case all views
will report invalid transcation (which previously was valid) the
transaction will be dropped from the pool
(https://github.com/paritytech/polkadot-sdk/pull/6661/commits/48214a38

).



fixes: #6008, #5477

---------

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

Partly addresses https://github.com/paritytech/polkadot-sdk/issues/6157

The benchmarks measuring the impact of contract sizes on calling or
instantiating a contract were bogus because they needed to be written in
assembly in order to tightly control the basic block size.

This fixes the benchmarks for:
- call_with_code_per_byte
- upload_code
- instantiate_with_code

And adds a new benchmark that accounts for the fact that the interpreter
will always compile whole basic blocks:
- basic_block_compilation

After this PR only the weight we assign to instructions need to be
addressed.

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: PG Herveou <pgherveou@gmail.com>

This PR implements conformance tests between our network backends
(litep2p and libp2p).

The PR creates a setup for extending testing in the future, while
implementing the following tests:
- connectivity check: Connect litep2p -> libp2p and libp2p -> litep2p
- request response check: Send 32 requests from one backend to the other
- notification check: Send 128 ping pong notifications and 128 from one
backend to the other

cc @paritytech/networking

---------

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

Cargo.lock change to subxt were rolled back 
Fixing it and updating it in Cargo.toml so it does not happen again

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Related to https://github.com/paritytech/polkadot-sdk/issues/7360

Update some dependencies needed for implementing
`DecodeWithMemTracking`:
`parity-scale-codec` -> 3.7.4
`finality-grandpa` -> 0.16.3
`bounded-collections` -> 0.2.3
`impl-codec` -> 0.7.1

to zombienet-sdk 0.2.24 (also needed to update to this version for
slashing to work).

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>

Add debug endpoint to eth-rpc for capturing a block or a single
transaction traces

See:
-  PR #7166

---------

Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: command-bot <>
Co-authored-by: Yuri Volkov <0@mcornholio.ru>
Co-authored-by: Maksym H <1177472+mordamax@users.noreply.github.com>
Co-authored-by: Santi Balaguer <santiago.balaguer@gmail.com>
Co-authored-by: Dónal Murray <donal.murray@parity.io>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: xermicus <cyrill@parity.io>

Add support for eth_get_logs rpc method

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: xermicus <cyrill@parity.io>

- Fix a deadlock on the RWLock cache
- Remove eth-indexer, we won't need it anymore, the indexing will be
started from within eth-rpc directly

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>