[`RococoGenesisExt`](https://github.com/paritytech/polkadot-sdk/blob/a414ea75

/polkadot/node/service/src/chain_spec.rs#L152-L171)
is removed. It was the hack to allow overwriting
`EpochDurationInBlocks`. Removal of `RococGenesisExt` prevents from
manipulating the state to change the runtime constants.

Changes:
- Environment variable which controls the `time::EpochDurationInBlocks`
value was added: `ROCOCO_EPOCH_DURATION` (epoch duration will be set to
the value of env),
- `10,100,600` versions of rococo-runtime are built in CI and put into `polkadot-debug` docker image.

`rococo-runtime` building examples:
- to build runtime for `versi_staging_testnet` which had
EpochDurationInBlocks set to 100:
  ```
ROCOCO_EPOCH_DURATION=100 cargo build --features=fast-runtime -p
rococo-runtime
  ```
- to build runtime for `wococo_development`
  ```
ROCOCO_EPOCH_DURATION=10 cargo build --features=fast-runtime -p
rococo-runtime
  ```
- to build `versi-staging` chain spec:
  ```
ROCOCO_EPOCH_DURATION=100 cargo run -p polkadot --features=fast-runtime
-- build-spec --chain versi-staging --raw
  ```
- to build `wococo-dev` chain spec:
  ```
ROCOCO_EPOCH_DURATION=10 cargo run -p polkadot --features=fast-runtime
-- build-spec --chain wococo-dev --raw
  ```

It is also possible to change the epoch duration by replacing the `code` field in the chain spec with the hex dump of pre-built runtime wasm blob (because the epoch duration is hard-coded into wasm blob).

---------

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

Update the HRMP pallet to use field names for Event variants to improve
metadata for a better client experience.
Event variants are now structs instead of unnamed tuples.

Partially implements Substrate issue
[9903](https://github.com/paritytech/substrate/issues/9903) which
doesn't appear to have been moved to the monorepo.

Follow-up to #1543.

Migrating [PR from the archived polkadot
repo](https://github.com/paritytech/polkadot/pull/7272)

As per
https://github.com/paritytech/polkadot/pull/7272#issuecomment-1559240466,
the changes in this MR include the following pallets into [x] Rococo and
[x] Westend runtimes:

    pallet_conviction_voting
    pallet_referenda
    pallet_ranked_collective
    pallet_custom_origins
    pallet_whitelist

And only for westend-runtime:

    pallet_treasury

Following [Kusama runtime
config](https://github.com/paritytech/polkadot/tree/dbae30efe080a1d41fe54ef4da8af47614c9ca93/runtime/kusama/src)
as a baseline.

Benchmarking of the following pallets done for both Rococo and Westend:

    pallet_conviction_voting
    pallet_referenda
    pallet_ranked_collective (only on Rococo)
    pallet_whitelist

And only for Westend:

    pallet_treasury

Removed Gov1 from Rococo as in
https://github.com/paritytech/polkadot/pull/6701

Rococo Gov1 storage will be cleaned in a different PR - [issue ](https://github.com/paritytech/polkadot-sdk/issues/1618)

---------

Co-authored-by: Giles Cope <[email protected]>

- Async-backing related primitives are stable `primitives::v6`
- Async-backing API is now part of `api_version(7)`
- It's enabled on Rococo and Westend runtimes

---------

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

This PR implements [`GenesisBuilder`
API](https://github.com/paritytech/polkadot-sdk/blob/a414ea75

/substrate/primitives/genesis-builder/src/lib.rs#L38)
for all the runtimes in polkadot repo.

Step towards: paritytech/polkadot-sdk#25

---------

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

Fix flaky test (e.g
https://gitlab.parity.io/parity/mirrors/polkadot-sdk/-/jobs/3787906).
Sometimes just timeout when trying to download the artifacts from ci.
This make the download in parallel and allow for more time to complete.

Thx!

cc: @michalkucharczyk

- Updated ./docs/CONTRIBUTION.md to clarify how to use command bot and
update ui-tests locally or in PR
- Moved update-ui-tests.sh to a root of project to run them along for
substrate and polkadot together

---------

Co-authored-by: Mira Ressel <[email protected]>

For tools such that is using the `Miner` it's useful to know whether a
solution was trimmed or not and also how much that was trimmed.

---------

Co-authored-by: Alexandru Vasile <[email protected]>

Updates the HRMP pallet benchmarks to Benchmarks v2 and fixes a
small misconfiguration in one benchmark.

---------

Co-authored-by: command-bot <>

Closes #1372 

This fixes the target directories in the polkadot readme. I verified
manually the Ubuntu based install works on a fresh cloud machine. Build
from source also worked as described.

Since #1304 landed `--dev` also works again (not on v1.1.0 though), so I
would consider the install instructions fixed.

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Bumps the known_good_semver group with 2 updates:
[clap](https://github.com/clap-rs/clap) and
[syn](https://github.com/dtolnay/syn).

Updates `clap` from 4.4.3 to 4.4.4
<details>
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<br />

Updates `syn` from 2.0.36 to 2.0.37
<details>
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<p><em>Sourced from <a
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<blockquote>
<h2>2.0.37</h2>
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Release 2.0.37</li>
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Ignore more repr_transparent_external_private_fields</li>
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Ignore false repr_transparent_external_private_fields FCW in generated
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Two old functions should be deprecated and have their code altered in
line with capabilities of XCMv2 and above.

This means we can use the proper `Unlimited` form of weight limit rather
than guessing weight from the local chain.

Refactors availability-recovery strategies to allow for easily adding
new hotpaths and failover mechanisms.

The new interface allows for chaining multiple `RecoveryStrategy`-es
together, to cleanly express the relationship between them and share
state and code where neccessary/possible:

This was done in order to aid in implementing new hotpaths like
[systematic chunks
recovery](https://github.com/paritytech/polkadot-sdk/issues/598) and
[fetching from approval
checkers](https://github.com/paritytech/polkadot-sdk/issues/575).

Thanks to this design, intermediate state can be shared between the
strategies. For example, if the systematic chunks recovery retrieved
less than the needed amount of chunks, pass them over to the next
FetchChunks strategy, which will only need to recover the remaining
number of chunks.

Draft example of how a systematic chunk recovery strategy would look:
https://github.com/paritytech/polkadot-sdk/commit/667d870bdf1470525d66c13929d5eac7249dd995
(notice how easy it was to add and reuse code)

Note that this PR doesn't itself add any new strategy, it should fully
preserve backwards compatiblity in terms of functionality. Follow-up PRs
to add new strategies will come.

This PR filters calls from the Identity pallet from all Relay Chain
runtimes as preparation to move the identity state and logic to a system
parachain within each network.

After this change is deployed to a runtime, no more changes such as
adding new sub-identities will be possible. The frozen state will be
part of the genesis state of the system chain. After the system chain
launches, the pallet and all state will be removed from each Relay
Chain.

Applications and UIs that render display information from this pallet
will need to read from the system chain when it launches.

The goal is to allow Fellowship on Collective chain to have a sovereign
account on Polkadot so that we can add it as an identity registrar. This
will allow Fellows origin to be able to provide judgements for
Fellowship members.

This currently allow any body on any parachain including non system
parachains to have sovereign account. I cannot think of any reason why
that may be an issue but let me know if I should change it to filter
only system parachains.

[This](https://gist.github.com/xlc/ec61bfa4e9f6d62da27d30141ad2c72b) is
the testing script.

Original PR: https://github.com/paritytech/polkadot/pull/7518

Solution to establish HRMP channels between system parachains.

---------

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

This pull request removes the Polkadot and Kusama native runtime from
the polkadot node. This brings some implications with it:

There are no more kusama/polkadot-dev chain specs available. We will
need to write some tooling in the fellowship repo to provide them
easily.

The try-runtime job for polkadot & kusama is not available anymore as we
don't have the dev chain specs anymore.

Certain benchmarking commands will also not work until we migrate them
to use a runtime api.

Some crates in utils are still depending on the polkadot/kusama native
runtime that will also need to be fixed.

Port of: https://github.com/paritytech/polkadot/pull/7467

Futures channels that are used by default has a side effect of
`Sender::Clone` that efficiently increases the capacity of the bounded
channel by one. This PR fixes the undesired backpressure removal that
was caused by the #1409. This issue has been discovered by @sandreim
during Versi testing and needs to be treated as critical that should not
be included in any release without this reversion.

This PR reverts the original behaviour.

This PR moves the `ISSUE_TEMPLATE` to the root and removes the old ones.

Bumps the known_good_semver group with 1 update:
[syn](https://github.com/dtolnay/syn).

<details>
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<p><em>Sourced from <a
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<blockquote>
<h2>2.0.36</h2>
<ul>
<li>Restore compatibility with
<code>--generate-link-to-definition</code> documentation builds (<a
href="https://redirect.github.com/dtolnay/syn/issues/1514">#1514</a>)</li>
</ul>
<h2>2.0.35</h2>
<ul>
<li>Make rust-analyzer produce preferred brackets for invocations of
<code>Token!</code> macro (<a
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href="https://redirect.github.com/dtolnay/syn/issues/1512">#1512</a>)</li>
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In the monorepo, secrets used in the various previous repos have been
renamed into:
- `CUMULUS_DOCKERHUB_USERNAME`
- `CUMULUS_DOCKERHUB_TOKEN`
- `POLKADOT_DOCKERHUB_USERNAME`
- `POLKADOT_DOCKERHUB_TOKEN`

This PR makes those changes and remove one of the GHW that has now been
updated for the monorepo.

**Note**: This is a lift-and-shift PR from the old substrate and
polkadot repos, both PRs have been reviewed and audited
(https://github.com/paritytech/substrate/pull/13983,
https://github.com/paritytech/polkadot/pull/7140)

---

This PR implements a generic `BaseDeposit` calculation for signed
submissions, based on the size of the submission queue.

It adds a new associated type to EPM's config, `type SignedDepositBase`,
that implements `Convert<usize, BalanceOf<T>>`, which is used to
calculate the base deposit for signed submissions based on the size of
the signed submissions queue.

`struct GeometricDepositBase<Balance, Fixed, Inc>` implements the
convert trait so that the deposit value increases as a geometric
progression. The deposit base is calculated by `deposit_base =
fixed_deposit_base * (1 + increase_factor)^n`, where `n` is the term of
the progression (i.e. the number of signed submissions in the queue).
`Fixed` and `Inc` generic params are getters for `Balance` and
`IncreaseFactor` to compute the geometric progression. If
`IncreaseFactor = 0`, then the signed deposit is constant and equal to
`Fixed` regardless of the size of the queue.

### Runtime configs

In Kusama, the progression with 10% increase without changing the
current signed fixed deposit is: (term == size of the queue)

Term 1: `1,333,333,332,000`
Term 2: `1,333,333,332,000 * 1.10 = 1,466,666,665,200`
Term 3: `1,333,333,332,000 * 1.10^2 = 1,613,333,331,200`
Term 4: `1,333,333,332,000 * 1.10^3 = 1,774,666,664,320`
Term 5: `1,333,333,332,000 * 1.10^4 = 1,952,133,330,752`
Term 6: `1,333,333,332,000 * 1.10^5 = 2,147,346,663,827.20`
Term 7: `1,333,333,332,000 * 1.10^6 = 2,362,081,330,210.92`
Term 8: `1,333,333,332,000 * 1.10^7 = 2,598,289,463,231.01`
Term 9: `1,333,333,332,000 * 1.10^8 = 2,858,118,409,554.11`
Term 10: `1,333,333,332,000 * 1.10^9 = 3,143,930,250,509.52`

Westend:

Term 1: `2,000,000,000,000`
Term 2: `2,000,000,000,000 * 1.10 = 2,200,000,000,000`
Term 3: `2,000,000,000,000 * 1.10^2 = 2,420,000,000,000`
Term 4: `2,000,000,000,000 * 1.10^3 = 2,662,000,000,000`
Term 5: `2,000,000,000,000 * 1.10^4 = 2,928,200,000,000`
Term 6: `2,000,000,000,000 * 1.10^5 = 3,221,020,000,000`
Term 7: `2,000,000,000,000 * 1.10^6 = 3,543,122,000,000`
Term 8: `2,000,000,000,000 * 1.10^7 = 3,897,434,200,000`
Term 9: `2,000,000,000,000 * 1.10^8 = 4,287,177,620,000`
Term 10: `2,000,000,000,000 * 1.10^9 = 4,715,895,382,000`

and in Polkadot, the deposit increase is disabled in the current state
of the PR, as the increase factor is 0% -- so nothing changes from the
current behaviour.

Closes https://github.com/paritytech-secops/srlabs_findings/issues/189

## Summary 
The term "common good parachain" has been abandoned in favor of "system
parachain" - e.g. [Joe's speech at
Decoded2023](https://youtu.be/CSO-ERHK2gY?t=456). This pull request
tries to fix and align code with this vision.

## Impact

The important change is implementation of `trait IsSystem` for `Id`
[here](https://github.com/paritytech/polkadot-sdk/pull/1406/files#diff-0b7b4f5b962a18ce980354592b55ab2a27b5a2e9f6f8089ec803ca73853e8583R225-R229)
where we changed condition from `< 1000` to `<= 1999`, which means that
all parachain IDs bellow 1999 (included) are considered as "system
parachain" IDs. This change has a direct impact on the following
components:

####
[ChildSystemParachainAsSuperuser](https://github.com/paritytech/polkadot-sdk/blob/master/polkadot/xcm/xcm-builder/src/origin_conversion.rs#L72-L88)
This origin converter is used for allowing to process XCM `Transact`
from "system parachain" on the relay chain - e.g. see [configuration for
Kusama](https://github.com/paritytech/polkadot-sdk/blob/master/polkadot/runtime/kusama/src/xcm_config.rs#L92-L101).
Only configured for Kusama, Westend, Rococo runtimes.

**No need for this feature anymore.** See
[comment](https://github.com/paritytech/polkadot-sdk/pull/1406#issuecomment-1708218715).

####
[IsChildSystemParachain](https://github.com/paritytech/polkadot-sdk/blob/master/polkadot/xcm/xcm-builder/src/barriers.rs#L310-L317)
`IsChildSystemParachain` is used with `AllowExplicitUnpaidExecutionFrom`
barrier for checking XCM programs (they have to start with
`UnpaidExecution` instruction).
Only configured for Kusama, Westend, Rococo runtimes.

**Overall the impact is low or mostly ok because it only allows unpaid
execution for "system parachains" (e.g. AssetHub, BridgeHub...) on the
relay chain.**

####
[SiblingSystemParachainAsSuperuser](https://github.com/paritytech/polkadot-sdk/blob/master/polkadot/xcm/xcm-builder/src/origin_conversion.rs#L94-L114)

Not used anywhere in `polkadot-sdk` repo.


## Unresolved Questions
- [ ] constants `LOWEST_USER_ID` and `LOWEST_PUBLIC_ID` seem to express
the same thing now, do we want to keep them both or deprecated one of
them? If so, which one?
- [x] determine impact for `ChildSystemParachainAsSuperuser`

## TODO

- [ ] when merged here, open PR to the `polkadot-fellows`

## Related Material
https://youtu.be/CSO-ERHK2gY?t=456

https://forum.polkadot.network/t/polkadot-protocol-and-common-good-parachains/866
https://wiki.polkadot.network/docs/learn-system-chains

xcm-builder: PayOverXcm supports fallible convertors for asset kind and beneficiary conversion  (#1572)

`PayOverXcm` type accepts two converters to transform the `AssetKind`
and `Beneficiary` parameter types into recognized `xcm` types. In this
PR, we've modified the bounds for these converters, transitioning from
`Convert` to `TryConvert`.

One such use case for this adjustment is when dealing with versioned xcm
types for `AssetKind` and `Beneficiary`. These types might be not
convertible to the latest xcm version, hence the need for fallible
conversion.

This changes required for
https://github.com/paritytech/polkadot-sdk/pull/1333

It seems the old strategy have been depracted more than one year. 
So maybe it's time to clean up old strategy for wasm executor.


---
polkadot address: 15ouFh2SHpGbHtDPsJ6cXQfes9Cx1gEFnJJsJVqPGzBSTudr

---------

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

This PR backports version bumps for `polkadot` and `polkadot-parachain`
from the v1.1.0 release branch

---------

Co-authored-by: Mara Broda <[email protected]>

Make Preimage pallet use Consideration instead of handling deposits
directly.

Other half of paritytech/substrate#13666.
Depends/based on #1361.

Script for the lazy migration that should be run manually once:
[migrate-preimage-lazy.py](https://github.com/ggwpez/substrate-scripts/blob/master/migrate-preimage-lazy.py).

## TODO

- [x] Migration code.

---------

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

Bumps the known_good_semver group with 2 updates:
[serde_json](https://github.com/serde-rs/json) and
[syn](https://github.com/dtolnay/syn).

Updates `serde_json` from 1.0.106 to 1.0.107
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/json/releases">serde_json's
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<blockquote>
<h2>v1.0.107</h2>
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<li><a
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Release 1.0.107</li>
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IntoDeserializer for &amp;RawValue</li>
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Support deserializing from &amp;RawValue</li>
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Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1062">#1062</a>
from osiewicz/remove_build_rs</li>
<li><a
href="https://github.com/serde-rs/json/commit/04f7758b6eae935237574b25a1e63cf5e281e19e"><code>04f7758</code></a>
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<li><a
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<li><a
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Revert &quot;Remove limb_width32 and limb_width64 features&quot;</li>
<li><a
href="https://github.com/serde-rs/json/commit/16e04ceeddfdfad18fb1ae8530695a318fa9bc02"><code>16e04ce</code></a>
fixup! Remove limb_width32 and limb_width64 features</li>
<li>See full diff in <a
href="https://github.com/serde-rs/json/compare/v1.0.106...v1.0.107">compare
view</a></li>
</ul>
</details>
<br />

Updates `syn` from 2.0.32 to 2.0.33
<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>2.0.33</h2>
<ul>
<li>Special handling for the <code>(/*ERROR*/)</code> placeholder that
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<li><a
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Pull in proc-macro2 error placeholder change</li>
<li><a
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Merge pull request <a
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<li><a
href="https://github.com/dtolnay/syn/commit/84cfe09484f6468bc85fb01db11c6a10fcb2d988"><code>84cfe09</code></a>
Fall through to 'Unrecognized literal' error</li>
<li><a
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Parse rustc's representation of macro expansion error</li>
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Submit the outstanding PRs from the old repos(these were already
reviewed and approved before the repo rorg, but not yet submitted):
Main PR: https://github.com/paritytech/substrate/pull/14014
Companion PRs: https://github.com/paritytech/polkadot/pull/7134,
https://github.com/paritytech/cumulus/pull/2489

The changes in the PR:
1. ChainSync currently calls into the block request handler directly.
Instead, move the block request handler behind a trait. This allows new
protocols to be plugged into ChainSync.
2. BuildNetworkParams is changed so that custom relay protocol
implementations can be (optionally) passed in during network creation
time. If custom protocol is not specified, it defaults to the existing
block handler
3. BlockServer and BlockDownloader traits are introduced for the
protocol implementation. The existing block handler has been changed to
implement these traits
4. Other changes:
[X] Make TxHash serializable. This is needed for exchanging the
serialized hash in the relay protocol messages
[X] Clean up types no longer used(OpaqueBlockRequest,
OpaqueBlockResponse)

---------

Co-authored-by: Dmitry Markin <[email protected]>
Co-authored-by: command-bot <>

In follow-up to https://github.com/paritytech/polkadot-sdk/pull/1518

Adding extra tests for inclusion pruning. Primarily focusing on various
cases surrounding candidates included in different forks (with different
relay parents).

All cases fall into a few buckets based on 3 degrees of freedom - number
of candidates, number of blocks (height), number of forks + extra case
for pruning multiple heights at once.

Added small tweak to the original pruning function to disregard stale
candidate duplicates which should keep the same behaviour.

---------

Co-authored-by: Tsvetomir Dimitrov <[email protected]>

## Summary

Implementations of `SendXcm`'s `validate` should not consume `dest`
and/or `msg` parameters in case of `NotApplicable` error.
This commit aligns expected behavior for `UnpaidRemoteExporter` and
`SovereignPaidRemoteExporter`.

## Testing

Added `remote_exporters_does_not_consume_dest_or_msg_on_not_applicable`
test which checks two possible cases:
- `dest` is local
- no configured exporter for `dest`

In follow-up to https://github.com/paritytech/polkadot-sdk/pull/1432

Some additional unit tests for the inclusion struct used in the scraper.

Bumps the known_good_semver group with 1 update:
[clap](https://github.com/clap-rs/clap).

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<h2>[4.4.3] - 2023-09-12</h2>
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docs(tutorial): Attempt to clarify attributes</li>
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`VersionedMigration` has become somewhat widely used for handling
version bumps in migrations the last few months.

It is currently behind the `experimental` feature flag, requiring every
pallet that writes a new migration with version bumps to set up the
`experimental` flag in their own Cargo.tomls, and also for every runtime
using these pallets to explicitly enable the `experimental` flag for
each pallet.

This is becoming quite verbose, and I can only see the number of pallets
requiring the experimental flag increasing for no other reason than
using what has become a commonly used feature.

Additionally, I'm writing migration docs and would like to avoid
stepping through how to use the `experimental` feature to get
`VersionedMigration` working.

Since the feature has been used in production for some time now without
any reported issues, is becoming commonly used and ready to advertise in
docs, I feel this is a good time to make it non-experimental.