Struct frame_system::limits::BlockWeightsBuilder

pub struct BlockWeightsBuilder { /* fields omitted */ }

An opinionated builder for Weights object.

Implementations

impl BlockWeightsBuilder

pub fn base_block(self, base_block: Weight) -> Self

Set base block weight.

pub fn avg_block_initialization(self, init_cost: Perbill) -> Self

Average block initialization weight cost.

This value is used to derive maximal allowed extrinsic weight for each class, based on the allowance.

This is to make sure that extrinsics don’t stay forever in the pool, because they could seamingly fit the block (since they are below max_block), but the cost of calling on_initialize alway prevents them from being included.

pub fn for_class(
    self,
    class: impl OneOrMany<DispatchClass>,
    action: impl Fn(&mut WeightsPerClass)
) -> Self

Set parameters for particular class.

Note: None values of max_extrinsic will be overwritten in build in case avg_block_initialization rate is set to a non-zero value.

pub fn build(self) -> ValidationResult

Construct the BlockWeights object.

pub fn build_or_panic(self) -> BlockWeights

Construct the BlockWeights object or panic if it’s invalid.

This is a convenience method to be called whenever you construct a runtime.