Crate sp_staking

A crate which contains primitives that are useful for implementation that uses staking approaches in general. Definitions related to sessions, slashing, etc go here.

Modules

• currency_to_vote
• offence
  Common traits and types that are useful for describing offences for usage in environments that use staking.

Macros

• _runtime_benchmarks_enabled
• runtime_benchmarks_enabled
  Enable/disable the given code depending on feature = "runtime-benchmarks" being enabled for the crate or not.

Structs

• Agent
  A type that belongs only in the context of an Agent.
• Delegator
  A type that belongs only in the context of a Delegator.
• Exposure
  A snapshot of the stake backing a single validator in the system.
• ExposurePage
  A snapshot of the stake backing a single validator in the system.
• IndividualExposure
  The amount of exposure for an era that an individual nominator has (susceptible to slashing).
• PagedExposureMetadata
  Metadata for Paged Exposure of a validator such as total stake across pages and page count.
• Stake
  A struct that reflects stake that an account has in the staking system. Provides a set of methods to operate on it’s properties. Aimed at making StakingInterface more concise.

Enums

• StakerStatus
  Representation of the status of a staker.
• StakingAccount
  Representation of a staking account, which may be a stash or controller account.

Traits

• DelegationInterface
  Trait to provide delegation functionality for stakers.
• DelegationMigrator
  Trait to provide functionality for direct stakers to migrate to delegation agents. See DelegationInterface for more details on delegation.
• OnStakingUpdate
  A generic staking event listener.
• StakingInterface
  A generic representation of a staking implementation.
• StakingUnchecked
  Set of low level apis to manipulate staking ledger.

Type Aliases

• EraIndex
  Counter for the number of eras that have passed.
• Page
  Type for identifying a page.
• SessionIndex
  Simple index type with which we can count sessions.