* select header that will be fully refunded for submission in on-demand **batch** finality relay
* added the only possible test
* spelling
* nl
* updated comment
* Asynchronous backing PR (#2300)
* Update substrate & polkadot
* min changes to make async backing compile
* (async backing) parachain-system: track limitations for unincluded blocks (#2438)
* unincluded segment draft
* read para head from storage proof
* read_para_head -> read_included_para_head
* Provide pub interface
* add errors
* fix unincluded segment update
* BlockTracker -> Ancestor
* add a dmp limit
* Read para head depending on the storage switch
* doc comments
* storage items docs
* add a sanity check on block initialize
* Check watermark
* append to the segment on block finalize
* Move segment update into set_validation_data
* Resolve para head todo
* option watermark
* fix comment
* Drop dmq check
* fix weight
* doc-comments on inherent invariant
* Remove TODO
* add todo
* primitives tests
* pallet tests
* doc comments
* refactor unincluded segment length into a ConsensusHook (#2501)
* refactor unincluded segment length into a ConsensusHook
* add docs
* refactor bandwidth_out calculation
Co-authored-by: Chris Sosnin <48099298+slumber@users.noreply.github.com>
* test for limits from impl
* fmt
* make tests compile
* update comment
* uncomment test
* fix collator test by adding parent to state proof
* patch HRMP watermark rules for unincluded segment
* get consensus-common tests to pass, using unincluded segment
* fix unincluded segment tests
* get all tests passing
* fmt
* rustdoc CI
* aura-ext: limit the number of authored blocks per slot (#2551)
* aura_ext consensus hook
* reverse dependency
* include weight into hook
* fix tests
* remove stray println
Co-authored-by: Chris Sosnin <48099298+slumber@users.noreply.github.com>
* fix test warning
* fix doc link
---------
Co-authored-by: Chris Sosnin <48099298+slumber@users.noreply.github.com>
Co-authored-by: Chris Sosnin <chris125_@live.com>
* parachain-system: ignore go ahead signal once upgrade is processed (#2594)
* handle goahead signal for unincluded segment
* doc comment
* add test
* parachain-system: drop processed messages from inherent data (#2590)
* implement `drop_processed_messages`
* drop messages based on relay parent number
* adjust tests
* drop changes to mqc
* fix comment
* drop test
* drop more dead code
* clippy
* aura-ext: check slot in consensus hook and remove all `CheckInherents` logic (#2658)
* aura-ext: check slot in consensus hook
* convert relay chain slot
* Make relay chain slot duration generic
* use fixed velocity hook for pallets with aura
* purge timestamp inherent
* fix warning
* adjust runtime tests
* fix slots in tests
* Make `xcm-emulator` test pass for new consensus hook (#2722)
* add pallets on_initialize
* tests pass
* add AuraExt on_init
* ".git/.scripts/commands/fmt/fmt.sh"
---------
Co-authored-by: command-bot <>
---------
Co-authored-by: Ignacio Palacios <ignacio.palacios.santos@gmail.com>
* update polkadot git refs
* CollationGenerationConfig closure is now optional (#2772)
* CollationGenerationConfig closure is now optional
* fix test
* propagate network-protocol-staging feature (#2899)
* Feature Flagging Consensus Hook Type Parameter (#2911)
* First pass
* fmt
* Added as default feature in tomls
* Changed to direct dependency feature
* Dealing with clippy error
* Update pallets/parachain-system/src/lib.rs
Co-authored-by: asynchronous rob <rphmeier@gmail.com>
---------
Co-authored-by: asynchronous rob <rphmeier@gmail.com>
* fmt
* bump deps and remove warning
* parachain-system: update RelevantMessagingState according to the unincluded segment (#2948)
* mostly address 2471 with a bug introduced
* adjust relevant messaging state after computing total
* fmt
* max -> min
* fix test implementation of xcmp source
* add test
* fix test message sending logic
* fix + test
* add more to unincluded segment test
* fmt
---------
Co-authored-by: Chris Sosnin <chris125_@live.com>
* Integrate new Aura / Parachain Consensus Logic in Parachain-Template / Polkadot-Parachain (#2864)
* add a comment
* refactor client/service utilities
* deprecate start_collator
* update parachain-template
* update test-service in the same way
* update polkadot-parachain crate
* fmt
* wire up new SubmitCollation message
* some runtime utilities for implementing unincluded segment runtime APIs
* allow parachains to configure their level of sybil-resistance when starting the network
* make aura-ext compile
* update to specify sybil resistance levels
* fmt
* specify relay chain slot duration in milliseconds
* update Aura to explicitly produce Send futures
also, make relay_chain_slot_duration a Duration
* add authoring duration to basic collator and document params
* integrate new basic collator into parachain-template
* remove assert_send used for testing
* basic-aura: only author when parent included
* update polkadot-parachain-bin
* fmt
* some fixes
* fixes
* add a RelayNumberMonotonicallyIncreases
* add a utility function for initializing subsystems
* some logging for timestamp adjustment
* fmt
* some fixes for lookahead collator
* add a log
* update `find_potential_parents` to account for sessions
* bound the loop
* restore & deprecate old start_collator and start_full_node functions.
* remove unnecessary await calls
* fix warning
* clippy
* more clippy
* remove unneeded logic
* ci
* update comment
Co-authored-by: Marcin S. <marcin@bytedude.com>
* (async backing) restore `CheckInherents` for backwards-compatibility (#2977)
* bring back timestamp
* Restore CheckInherents
* revert to empty CheckInherents
* make CheckInherents optional
* attempt
* properly end system blocks
* add some more comments
* ignore failing system parachain tests
* update refs after main feature branch merge
* comment out the offending tests because CI runs ignored tests
* fix warnings
* fmt
* revert to polkadot master
* cargo update -p polkadot-primitives -p sp-io
---------
Co-authored-by: asynchronous rob <rphmeier@gmail.com>
Co-authored-by: Ignacio Palacios <ignacio.palacios.santos@gmail.com>
Co-authored-by: Bradley Olson <34992650+BradleyOlson64@users.noreply.github.com>
Co-authored-by: Marcin S. <marcin@bytedude.com>
Co-authored-by: eskimor <eskimor@users.noreply.github.com>
Co-authored-by: Andronik <write@reusable.software>
(cherry picked from commit 6ef1117685)
* Companion: restructure macro related exports (#3015)
* restructure macro related exports
* restructure macro related exports
* wip
* wip
* update cargo lock
* refactor RuntimeDebug on unincluded segment
* fmt
* Companion: restructure `benchmarking` macro related exports (#3039)
* wip
* wip
* restructure benchmarking macro related exports
* add cargo lock
---------
Co-authored-by: parity-processbot <>
(cherry picked from commit 8349c8d18a)
* Add missing workspace members (#3056)
* Add dependencies
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Add missing workspace members
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Fix more
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
---------
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
(cherry picked from commit 44499cf262)
* Add CI for monorepo (#1145)
* Add CI for monorepo
* fix frame tests
* Format features
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* add note for skipping tests and disable test-linux-stable-all
* Fix tests and compile issues (#1152)
* Fix feature dependant import
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Bump test timeout
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Remove feature gate
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Add resolver 2
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Remove old lockfile
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Format features
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
---------
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Fix check-dependency-rules
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* rm test-runtime
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Actually fix script
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* enable cargo-check-each-crate-macos
* Run check-each-crate on 6 machines (#1163)
---------
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
(cherry picked from commit e49493442a)
* Fix features (#1194)
* Manually fix conflicting ?
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Remove duplicates
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Autofix feature propagation
zepter lint propagate-feature --feature try-runtime --left-side-feature-missing=ignore --workspace --fix --feature-enables-dep="try-runtime:frame-try-runtime"
zepter lint propagate-feature --feature runtime-benchmarks --left-side-feature-missing=ignore --workspace --fix --feature-enables-dep="runtime-benchmarks:frame-benchmarking"
zepter lint propagate-feature --feature std --left-side-feature-missing=ignore --workspace --fix
zepter f f
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Bump zepter
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Add some duplicates
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Revert "Add some duplicates"
This reverts commit c6ce627273881c478f5b34f23d3a67db632dbebf.
* Remove default enabled features
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Bump Zepter
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Bump in correct location 🤦
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* DNM: Add some mistakes
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* DNM: Add some mistakes
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Revert "DNM: Add some mistakes"
This reverts commit d469b3f0ba2aaed5f35f6ff5995f99e682da5800.
* Revert "DNM: Add some mistakes"
This reverts commit d892a73a35cac01e3721bdba74574b88bd04f83c.
---------
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
(cherry picked from commit 0400ed9075)
* Fix build profiles (#1229)
* Fix build profiles
Closes https://github.com/paritytech/polkadot-sdk/issues/1155
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Manually set version to 1.0.0
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Use workspace repo
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* 'Authors and Edition from workspace
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
---------
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
(cherry picked from commit dcda0e50f5)
* Set test crates to nopublish (#1240)
* Set test crates to nopublish
* Don't publish more crates
* Set even more crates to nopublish
---------
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
(cherry picked from commit 1c7ef1f232)
* Add missing licenses and tune the scanning workflow (#1288)
* Add missing Cumulus licenses
* Typo
* Add missing Substrate licenses
* Single job checking the sub-repos in steps
* Remove dates
* Remove dates
* Add missing (C)
* Update FRAME UI tests
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Update more UI tests
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
---------
Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
(cherry picked from commit bfb241d7f3)
* Restructure `dispatch` macro related exports (#1162)
* restructure dispatch macro related exports
* moved Dispatchable to lib.rs
* fix .gitignore final newline
* ".git/.scripts/commands/fmt/fmt.sh"
* fix rustdocs
* wip
---------
Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>
Co-authored-by: command-bot <>
Co-authored-by: ordian <write@reusable.software>
(cherry picked from commit bdbe982970)
* Fixes
* Fix clippy
---------
Co-authored-by: Chris Sosnin <48099298+slumber@users.noreply.github.com>
Co-authored-by: Juan <juangirini@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>
Co-authored-by: Lulu <morgan@parity.io>
Co-authored-by: Przemek Rzad <roopert7@gmail.com>
* increase MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX and MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX for RBH/WBH
* moved MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX and MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX to cumulus bridge primitives
* typo
* Small changes
* Define generic bridge pallets call structs
* polkadot-core SignedExtension simplifications
- we don't seem to need to pass the Call as a generic param
- we can use codec(skip) instead of implementing Encode and Decode
* Split BridgeHubRococo and BridgeHubWococo calls
* code review fixes
* parachains finality
* parachains pallet test
* demo of how to configure GRANDPA pallet instance
* allow instances in parachains pallet
* spellcheck
* TODO + fix
* fmt
* removed invalid storage_keys file
* change all hashers to Blake2_128Concat
* use Twox64Concat for insertion position
* fix build
* fix compilation
* change ParaId and ParaHead types
* TODOs -> TODOs with issues refs
* move some associated types from relay_substrate_client::Chain to bp_runtime::Chain
* dummy commit
* Revert "dummy commit"
This reverts commit 81bc64aa092df115a7c68e7bb7ca5e83ec31fd20.
* fix(spellcheck): test of fixing
* fix(hunspell): improved many typos etc.
* fix(hunspell): all errors solved
* fix(hunspell): extended scope of files - the build should fail
* Return error code.
* Fix spelling, sort dictionary.
* fix(hunspell): added fix to gitlabs check
* fix(typo): one typo and test of verification on github
* fix(typo): one typo
Co-authored-by: Tomasz Drwięga <tomasz@parity.io>
* Copy-Pasta Call code from mock Rococo to mock Westend runtime
* Update Westend client to include signing and call related code
* Add missing part of license header
* Move `account_info_storage_key` to `polkadot-core` crate
* Add benchmarking skeleton
* Allow runtime to indicate concrete header type for benches
* Set up skeleton for benchmark tests
* Play around with mutating bench header
* Create a working test for benchmarking
* Add benches related to enacting authority set changes
* Add bench for checking effect of prec-commits/vote ancestries
* Use new `no_std` test utils in benchmarks
* Support pallet instances in benchmarking
* Use correct benchmarking instance macro
* Add instance to runtime benchmark helper impl
* Start using new justification creation API
* Allow mock header's number to be specified
* Set up benches with correct fork/depth parameters
* Use new pallet name during runtime bench setup
* Use correct `set_id` in tests
* Limit number of forks as workaround to get tests passing
* Use number of authorities which matches number of forks
* Make sure test post-conditions are checked properly
* Only read `CurrentAuthoritySet` from storage once
* Add combined benchmark for `submit_finality_proof`
* Add bench test
* Introduce config bounds related to justification verification
* Use config consts from pallet in benchmarking
* Return data relevant to benchmarks from helper functions
* Annotate `submit_finality_proof` with autogenerated weights
* Return actual weight after call execution
* Ignore Clippy warnings in bench template
* Update benchmark template
* Use `test-utils` to create test headers
* Clarify that helper is only for messages benches
* Add more documentation to benches
* Update TODOs
* Clarify return types in comment
* Fix pallet name post-merge
* Update NOTE to a TODO item
* Indicate that Config params are max values, not actual values
* Change Config validator count type to be `u32`
* Return decoded justification instead of fields
* Add missing trait bounds for tests
* Correctly issue weight refund
Thanks for spotting this Tomek!
* Update comment
* Add note about SESSION_LENGTH
* Fix benchmarking code
* use runtime:: prefix for message-lane pallet traces
* renamed message-lane (module and primitives) folder into messages
* replace "message lane" with "messages" where appropriate
**Update:** Pushed additional changes based on the review comments.
**This pull request fixes various spelling mistakes in this
repository.**
Most of the changes are contained in the first **3** commits:
- `Fix spelling mistakes in comments and docs`
- `Fix spelling mistakes in test names`
- `Fix spelling mistakes in error messages, panic messages, logs and
tracing`
Other source code spelling mistakes are separated into individual
commits for easier reviewing:
- `Fix the spelling of 'authority'`
- `Fix the spelling of 'REASONABLE_HEADERS_IN_JUSTIFICATION_ANCESTRY'`
- `Fix the spelling of 'prev_enqueud_messages'`
- `Fix the spelling of 'endpoint'`
- `Fix the spelling of 'children'`
- `Fix the spelling of 'PenpalSiblingSovereignAccount'`
- `Fix the spelling of 'PenpalSudoAccount'`
- `Fix the spelling of 'insufficient'`
- `Fix the spelling of 'PalletXcmExtrinsicsBenchmark'`
- `Fix the spelling of 'subtracted'`
- `Fix the spelling of 'CandidatePendingAvailability'`
- `Fix the spelling of 'exclusive'`
- `Fix the spelling of 'until'`
- `Fix the spelling of 'discriminator'`
- `Fix the spelling of 'nonexistent'`
- `Fix the spelling of 'subsystem'`
- `Fix the spelling of 'indices'`
- `Fix the spelling of 'committed'`
- `Fix the spelling of 'topology'`
- `Fix the spelling of 'response'`
- `Fix the spelling of 'beneficiary'`
- `Fix the spelling of 'formatted'`
- `Fix the spelling of 'UNKNOWN_PROOF_REQUEST'`
- `Fix the spelling of 'succeeded'`
- `Fix the spelling of 'reopened'`
- `Fix the spelling of 'proposer'`
- `Fix the spelling of 'InstantiationNonce'`
- `Fix the spelling of 'depositor'`
- `Fix the spelling of 'expiration'`
- `Fix the spelling of 'phantom'`
- `Fix the spelling of 'AggregatedKeyValue'`
- `Fix the spelling of 'randomness'`
- `Fix the spelling of 'defendant'`
- `Fix the spelling of 'AquaticMammal'`
- `Fix the spelling of 'transactions'`
- `Fix the spelling of 'PassingTracingSubscriber'`
- `Fix the spelling of 'TxSignaturePayload'`
- `Fix the spelling of 'versioning'`
- `Fix the spelling of 'descendant'`
- `Fix the spelling of 'overridden'`
- `Fix the spelling of 'network'`
Let me know if this structure is adequate.
**Note:** The usage of the words `Merkle`, `Merkelize`, `Merklization`,
`Merkelization`, `Merkleization`, is somewhat inconsistent but I left it
as it is.
~~**Note:** In some places the term `Receival` is used to refer to
message reception, IMO `Reception` is the correct word here, but I left
it as it is.~~
~~**Note:** In some places the term `Overlayed` is used instead of the
more acceptable version `Overlaid` but I also left it as it is.~~
~~**Note:** In some places the term `Applyable` is used instead of the
correct version `Applicable` but I also left it as it is.~~
**Note:** Some usage of British vs American english e.g. `judgement` vs
`judgment`, `initialise` vs `initialize`, `optimise` vs `optimize` etc.
are both present in different places, but I suppose that's
understandable given the number of contributors.
~~**Note:** There is a spelling mistake in `.github/CODEOWNERS` but it
triggers errors in CI when I make changes to it, so I left it as it
is.~~
Closes#2160
First part of [Extrinsic
Horizon](https://github.com/paritytech/polkadot-sdk/issues/2415)
Introduces a new trait `TransactionExtension` to replace
`SignedExtension`. Introduce the idea of transactions which obey the
runtime's extensions and have according Extension data (né Extra data)
yet do not have hard-coded signatures.
Deprecate the terminology of "Unsigned" when used for
transactions/extrinsics owing to there now being "proper" unsigned
transactions which obey the extension framework and "old-style" unsigned
which do not. Instead we have __*General*__ for the former and
__*Bare*__ for the latter. (Ultimately, the latter will be phased out as
a type of transaction, and Bare will only be used for Inherents.)
Types of extrinsic are now therefore:
- Bare (no hardcoded signature, no Extra data; used to be known as
"Unsigned")
- Bare transactions (deprecated): Gossiped, validated with
`ValidateUnsigned` (deprecated) and the `_bare_compat` bits of
`TransactionExtension` (deprecated).
- Inherents: Not gossiped, validated with `ProvideInherent`.
- Extended (Extra data): Gossiped, validated via `TransactionExtension`.
- Signed transactions (with a hardcoded signature).
- General transactions (without a hardcoded signature).
`TransactionExtension` differs from `SignedExtension` because:
- A signature on the underlying transaction may validly not be present.
- It may alter the origin during validation.
- `pre_dispatch` is renamed to `prepare` and need not contain the checks
present in `validate`.
- `validate` and `prepare` is passed an `Origin` rather than a
`AccountId`.
- `validate` may pass arbitrary information into `prepare` via a new
user-specifiable type `Val`.
- `AdditionalSigned`/`additional_signed` is renamed to
`Implicit`/`implicit`. It is encoded *for the entire transaction* and
passed in to each extension as a new argument to `validate`. This
facilitates the ability of extensions to acts as underlying crypto.
There is a new `DispatchTransaction` trait which contains only default
function impls and is impl'ed for any `TransactionExtension` impler. It
provides several utility functions which reduce some of the tedium from
using `TransactionExtension` (indeed, none of its regular functions
should now need to be called directly).
Three transaction version discriminator ("versions") are now
permissible:
- 0b000000100: Bare (used to be called "Unsigned"): contains Signature
or Extra (extension data). After bare transactions are no longer
supported, this will strictly identify an Inherents only.
- 0b100000100: Old-school "Signed" Transaction: contains Signature and
Extra (extension data).
- 0b010000100: New-school "General" Transaction: contains Extra
(extension data), but no Signature.
For the New-school General Transaction, it becomes trivial for authors
to publish extensions to the mechanism for authorizing an Origin, e.g.
through new kinds of key-signing schemes, ZK proofs, pallet state,
mutations over pre-authenticated origins or any combination of the
above.
## Code Migration
### NOW: Getting it to build
Wrap your `SignedExtension`s in `AsTransactionExtension`. This should be
accompanied by renaming your aggregate type in line with the new
terminology. E.g. Before:
```rust
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
/* snip */
MySpecialSignedExtension,
);
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
```
After:
```rust
/// The extension to the basic transaction logic.
pub type TxExtension = (
/* snip */
AsTransactionExtension<MySpecialSignedExtension>,
);
/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, TxExtension>;
```
You'll also need to alter any transaction building logic to add a
`.into()` to make the conversion happen. E.g. Before:
```rust
fn construct_extrinsic(
/* snip */
) -> UncheckedExtrinsic {
let extra: SignedExtra = (
/* snip */
MySpecialSignedExtension::new(/* snip */),
);
let payload = SignedPayload::new(call.clone(), extra.clone()).unwrap();
let signature = payload.using_encoded(|e| sender.sign(e));
UncheckedExtrinsic::new_signed(
/* snip */
Signature::Sr25519(signature),
extra,
)
}
```
After:
```rust
fn construct_extrinsic(
/* snip */
) -> UncheckedExtrinsic {
let tx_ext: TxExtension = (
/* snip */
MySpecialSignedExtension::new(/* snip */).into(),
);
let payload = SignedPayload::new(call.clone(), tx_ext.clone()).unwrap();
let signature = payload.using_encoded(|e| sender.sign(e));
UncheckedExtrinsic::new_signed(
/* snip */
Signature::Sr25519(signature),
tx_ext,
)
}
```
### SOON: Migrating to `TransactionExtension`
Most `SignedExtension`s can be trivially converted to become a
`TransactionExtension`. There are a few things to know.
- Instead of a single trait like `SignedExtension`, you should now
implement two traits individually: `TransactionExtensionBase` and
`TransactionExtension`.
- Weights are now a thing and must be provided via the new function `fn
weight`.
#### `TransactionExtensionBase`
This trait takes care of anything which is not dependent on types
specific to your runtime, most notably `Call`.
- `AdditionalSigned`/`additional_signed` is renamed to
`Implicit`/`implicit`.
- Weight must be returned by implementing the `weight` function. If your
extension is associated with a pallet, you'll probably want to do this
via the pallet's existing benchmarking infrastructure.
#### `TransactionExtension`
Generally:
- `pre_dispatch` is now `prepare` and you *should not reexecute the
`validate` functionality in there*!
- You don't get an account ID any more; you get an origin instead. If
you need to presume an account ID, then you can use the trait function
`AsSystemOriginSigner::as_system_origin_signer`.
- You get an additional ticket, similar to `Pre`, called `Val`. This
defines data which is passed from `validate` into `prepare`. This is
important since you should not be duplicating logic from `validate` to
`prepare`, you need a way of passing your working from the former into
the latter. This is it.
- This trait takes two type parameters: `Call` and `Context`. `Call` is
the runtime call type which used to be an associated type; you can just
move it to become a type parameter for your trait impl. `Context` is not
currently used and you can safely implement over it as an unbounded
type.
- There's no `AccountId` associated type any more. Just remove it.
Regarding `validate`:
- You get three new parameters in `validate`; all can be ignored when
migrating from `SignedExtension`.
- `validate` returns a tuple on success; the second item in the tuple is
the new ticket type `Self::Val` which gets passed in to `prepare`. If
you use any information extracted during `validate` (off-chain and
on-chain, non-mutating) in `prepare` (on-chain, mutating) then you can
pass it through with this. For the tuple's last item, just return the
`origin` argument.
Regarding `prepare`:
- This is renamed from `pre_dispatch`, but there is one change:
- FUNCTIONALITY TO VALIDATE THE TRANSACTION NEED NOT BE DUPLICATED FROM
`validate`!!
- (This is different to `SignedExtension` which was required to run the
same checks in `pre_dispatch` as in `validate`.)
Regarding `post_dispatch`:
- Since there are no unsigned transactions handled by
`TransactionExtension`, `Pre` is always defined, so the first parameter
is `Self::Pre` rather than `Option<Self::Pre>`.
If you make use of `SignedExtension::validate_unsigned` or
`SignedExtension::pre_dispatch_unsigned`, then:
- Just use the regular versions of these functions instead.
- Have your logic execute in the case that the `origin` is `None`.
- Ensure your transaction creation logic creates a General Transaction
rather than a Bare Transaction; this means having to include all
`TransactionExtension`s' data.
- `ValidateUnsigned` can still be used (for now) if you need to be able
to construct transactions which contain none of the extension data,
however these will be phased out in stage 2 of the Transactions Horizon,
so you should consider moving to an extension-centric design.
## TODO
- [x] Introduce `CheckSignature` impl of `TransactionExtension` to
ensure it's possible to have crypto be done wholly in a
`TransactionExtension`.
- [x] Deprecate `SignedExtension` and move all uses in codebase to
`TransactionExtension`.
- [x] `ChargeTransactionPayment`
- [x] `DummyExtension`
- [x] `ChargeAssetTxPayment` (asset-tx-payment)
- [x] `ChargeAssetTxPayment` (asset-conversion-tx-payment)
- [x] `CheckWeight`
- [x] `CheckTxVersion`
- [x] `CheckSpecVersion`
- [x] `CheckNonce`
- [x] `CheckNonZeroSender`
- [x] `CheckMortality`
- [x] `CheckGenesis`
- [x] `CheckOnlySudoAccount`
- [x] `WatchDummy`
- [x] `PrevalidateAttests`
- [x] `GenericSignedExtension`
- [x] `SignedExtension` (chain-polkadot-bulletin)
- [x] `RefundSignedExtensionAdapter`
- [x] Implement `fn weight` across the board.
- [ ] Go through all pre-existing extensions which assume an account
signer and explicitly handle the possibility of another kind of origin.
- [x] `CheckNonce` should probably succeed in the case of a non-account
origin.
- [x] `CheckNonZeroSender` should succeed in the case of a non-account
origin.
- [x] `ChargeTransactionPayment` and family should fail in the case of a
non-account origin.
- [ ]
- [x] Fix any broken tests.
---------
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