Struct polkadot_primitives::v5::GroupRotationInfo
source · pub struct GroupRotationInfo<N = BlockNumber> {
pub session_start_block: N,
pub group_rotation_frequency: N,
pub now: N,
}
Expand description
A helper data-type for tracking validator-group rotations.
Fields§
§session_start_block: N
The block number where the session started.
group_rotation_frequency: N
How often groups rotate. 0 means never.
now: N
The current block number.
Implementations§
source§impl GroupRotationInfo
impl GroupRotationInfo
sourcepub fn group_for_core(&self, core_index: CoreIndex, cores: usize) -> GroupIndex
pub fn group_for_core(&self, core_index: CoreIndex, cores: usize) -> GroupIndex
Returns the index of the group needed to validate the core at the given index, assuming the given number of cores.
core_index
should be less than cores
, which is capped at u32::max()
.
sourcepub fn core_for_group(&self, group_index: GroupIndex, cores: usize) -> CoreIndex
pub fn core_for_group(&self, group_index: GroupIndex, cores: usize) -> CoreIndex
Returns the index of the group assigned to the given core. This does no checking or whether the group index is in-bounds.
core_index
should be less than cores
, which is capped at u32::max()
.
sourcepub fn bump_rotation(&self) -> Self
pub fn bump_rotation(&self) -> Self
Create a new GroupRotationInfo
with one further rotation applied.
source§impl<N: Saturating + BaseArithmetic + Copy> GroupRotationInfo<N>
impl<N: Saturating + BaseArithmetic + Copy> GroupRotationInfo<N>
sourcepub fn next_rotation_at(&self) -> N
pub fn next_rotation_at(&self) -> N
Returns the block number of the next rotation after the current block. If the current block is 10 and the rotation frequency is 5, this should return 15.
sourcepub fn last_rotation_at(&self) -> N
pub fn last_rotation_at(&self) -> N
Returns the block number of the last rotation before or including the current block. If the current block is 10 and the rotation frequency is 5, this should return 10.
Trait Implementations§
source§impl<N: Clone> Clone for GroupRotationInfo<N>
impl<N: Clone> Clone for GroupRotationInfo<N>
source§fn clone(&self) -> GroupRotationInfo<N>
fn clone(&self) -> GroupRotationInfo<N>
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl<N> Debug for GroupRotationInfo<N>where
N: Debug,
impl<N> Debug for GroupRotationInfo<N>where N: Debug,
source§impl<N> Decode for GroupRotationInfo<N>where
N: Decode,
impl<N> Decode for GroupRotationInfo<N>where N: Decode,
source§fn decode<__CodecInputEdqy: Input>(
__codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>
fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy ) -> Result<Self, Error>
§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>
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I: Input,
fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self> ) -> Result<DecodeFinished, Error>where I: Input,
§fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
fn skip<I>(input: &mut I) -> Result<(), Error>where I: Input,
§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
source§impl<N> Encode for GroupRotationInfo<N>where
N: Encode,
impl<N> Encode for GroupRotationInfo<N>where N: Encode,
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
source§fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy
)
fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy )
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fn using_encoded<R, F>(&self, f: F) -> Rwhere F: FnOnce(&[u8]) -> R,
§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
source§impl<N: PartialEq> PartialEq<GroupRotationInfo<N>> for GroupRotationInfo<N>
impl<N: PartialEq> PartialEq<GroupRotationInfo<N>> for GroupRotationInfo<N>
source§fn eq(&self, other: &GroupRotationInfo<N>) -> bool
fn eq(&self, other: &GroupRotationInfo<N>) -> bool
self
and other
values to be equal, and is used
by ==
.source§impl<N> TypeInfo for GroupRotationInfo<N>where
N: TypeInfo + 'static,
impl<N> TypeInfo for GroupRotationInfo<N>where N: TypeInfo + 'static,
impl<N> EncodeLike<GroupRotationInfo<N>> for GroupRotationInfo<N>where N: Encode,
impl<N> StructuralPartialEq for GroupRotationInfo<N>
Auto Trait Implementations§
impl<N> RefUnwindSafe for GroupRotationInfo<N>where N: RefUnwindSafe,
impl<N> Send for GroupRotationInfo<N>where N: Send,
impl<N> Sync for GroupRotationInfo<N>where N: Sync,
impl<N> Unpin for GroupRotationInfo<N>where N: Unpin,
impl<N> UnwindSafe for GroupRotationInfo<N>where N: UnwindSafe,
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