imOnline

authoredBlocks(u32, AccountId32): u32

• interface: imOnline.authoredBlocks

• summary: For each session index, we keep a mapping of ValidatorId<T> to the number of blocks authored by the given authority.

heartbeatAfter(): u32

• interface: imOnline.heartbeatAfter

• summary: The block number after which it’s ok to send heartbeats in the current session.

  At the beginning of each session we set this to a value that should fall roughly in the middle of the session duration. The idea is to first wait for the validators to produce a block in the current session, so that the heartbeat later on will not be necessary.

  This value will only be used as a fallback if we fail to get a proper session progress estimate from NextSessionRotation, as those estimates should be more accurate then the value we calculate for HeartbeatAfter.

keys(): Vec<PalletImOnlineSr25519AppSr25519Public>

• interface: imOnline.keys

• summary: The current set of keys that may issue a heartbeat.

receivedHeartbeats(u32, u32): Option<bool>

• interface: imOnline.receivedHeartbeats

• summary: For each session index, we keep a mapping of SessionIndex and AuthIndex.