Struct pallet_migrations::ActiveCursor

pub struct ActiveCursor<Cursor, BlockNumber> {
    pub index: u32,
    pub inner_cursor: Option<Cursor>,
    pub started_at: BlockNumber,
}

Points to the currently active migration and its inner cursor.

Fields

index: u32

The index of the migration in the MBM tuple.

inner_cursor: Option<Cursor>

The cursor of the migration that is referenced by index.

started_at: BlockNumber

The block number that the migration started at.

This is used to calculate how many blocks it took.

Trait Implementations

impl<Cursor: Clone, BlockNumber: Clone> Clone for ActiveCursor<Cursor, BlockNumber>

fn clone(&self) -> ActiveCursor<Cursor, BlockNumber>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<Cursor: Debug, BlockNumber: Debug> Debug for ActiveCursor<Cursor, BlockNumber>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<Cursor, BlockNumber> Decode for ActiveCursor<Cursor, BlockNumber>

where Option<Cursor>: Decode, BlockNumber: Decode,

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy ) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self> ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

fn skip<I>(input: &mut I) -> Result<(), Error>

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl<Cursor, BlockNumber> Encode for ActiveCursor<Cursor, BlockNumber>

where Option<Cursor>: Encode, BlockNumber: Encode,

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy )

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F>(&self, f: F) -> R

where F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<Cursor, BlockNumber> From<ActiveCursor<Cursor, BlockNumber>> for MigrationCursor<Cursor, BlockNumber>

fn from(active: ActiveCursor<Cursor, BlockNumber>) -> Self

Converts to this type from the input type.

impl<Cursor, BlockNumber> MaxEncodedLen for ActiveCursor<Cursor, BlockNumber>

where Option<Cursor>: MaxEncodedLen, BlockNumber: MaxEncodedLen,

fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.

impl<Cursor: PartialEq, BlockNumber: PartialEq> PartialEq for ActiveCursor<Cursor, BlockNumber>

fn eq(&self, other: &ActiveCursor<Cursor, BlockNumber>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<Cursor, BlockNumber> TypeInfo for ActiveCursor<Cursor, BlockNumber>

where Option<Cursor>: TypeInfo + 'static, BlockNumber: TypeInfo + 'static, Cursor: TypeInfo + 'static,

type Identity = ActiveCursor<Cursor, BlockNumber>

The type identifying for which type info is provided.

fn type_info() -> Type

Returns the static type identifier for Self.

impl<Cursor, BlockNumber> EncodeLike for ActiveCursor<Cursor, BlockNumber>

where Option<Cursor>: Encode, BlockNumber: Encode,

impl<Cursor: Eq, BlockNumber: Eq> Eq for ActiveCursor<Cursor, BlockNumber>

impl<Cursor, BlockNumber> StructuralPartialEq for ActiveCursor<Cursor, BlockNumber>