New initializes a new fork choice store.

NonExistentNode defines an unknown node which is used for the array based stateful DAG.

ForkChoice defines the overall fork choice store which includes all block nodes, validator's latest votes and balances.

Node defines the individual block which includes its block parent, ancestor and how much weight accounted for it.

Store defines the fork choice store which includes block nodes and the last view of checkpoint information.

Vote defines an individual validator's vote.