pub trait BlockNumberProvider {
    type BlockNumber: Codec + Clone + Ord + Eq + AtLeast32BitUnsigned;

    fn current_block_number() -> Self::BlockNumber;

    fn set_block_number(_block: Self::BlockNumber) { ... }
Expand description

Get current block number

Required Associated Types

Type of BlockNumber to provide.

Required Methods

Returns the current block number.

Provides an abstraction over an arbitrary way of providing the current block number.

In case of using crate sp_runtime with the crate frame-system, it is already implemented for frame_system::Pallet<T: Config> as:

fn current_block_number() -> Self {


Provided Methods

Utility function only to be used in benchmarking scenarios, to be implemented optionally, else a noop.

It allows for setting the block number that will later be fetched This is useful in case the block number provider is different than System