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Ensure inherent are first (#8173)

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* impl

* fix tests

* impl in execute_block

* fix tests

* add a test in frame-executive

* fix some panic warning

* use trait to get call from extrinsic

* remove unused

* fix test

* fix testing

* fix tests

* return index of extrinsic on error

* fix test

* Update primitives/inherents/src/lib.rs

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

* address comments

rename trait, and refactor

* refactor + doc improvment

* fix tests

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
This commit is contained in:
Guillaume Thiolliere
2021-04-13 11:30:13 +02:00
committed by GitHub
parent 6679b88af8
commit a4ed9bb9b2
17 changed files with 427 additions and 61 deletions
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substrate/primitives/inherents/src/lib.rs
+19 -2
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@@ -423,8 +423,10 @@ pub trait ProvideInherent {
///
/// - `Err(_)` indicates that this function failed and further operations should be aborted.
///
/// CAUTION: This check has a bug when used in pallets that also provide unsigned transactions.
/// See <https://github.com/paritytech/substrate/issues/6243> for details.
/// NOTE: If inherent is required then the runtime asserts that the block contains at least
/// one inherent for which:
/// * type is [`Self::Call`],
/// * [`Self::is_inherent`] returns true.
fn is_inherent_required(_: &InherentData) -> Result<Option<Self::Error>, Self::Error> { Ok(None) }
/// Check whether the given inherent is valid. Checking the inherent is optional and can be
@@ -433,9 +435,24 @@ pub trait ProvideInherent {
/// When checking an inherent, the first parameter represents the inherent that is actually
/// included in the block by its author. Whereas the second parameter represents the inherent
/// data that the verifying node calculates.
///
/// NOTE: A block can contains multiple inherent.
fn check_inherent(_: &Self::Call, _: &InherentData) -> Result<(), Self::Error> {
Ok(())
}
/// Return whether the call is an inherent call.
///
/// NOTE: Signed extrinsics are not inherent, but signed extrinsic with the given call variant
/// can be dispatched.
///
/// # Warning
///
/// In FRAME, inherent are enforced to be before other extrinsics, for this reason,
/// pallets with unsigned transactions **must ensure** that no unsigned transaction call
/// is an inherent call, when implementing `ValidateUnsigned::validate_unsigned`.
/// Otherwise block producer can produce invalid blocks by including them after non inherent.
fn is_inherent(call: &Self::Call) -> bool;
}
#[cfg(test)]