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View/edit binary Protocol Buffers messages
* A record of the total amount of fees due to a node
Used in:
* The node account id
* The total amount of fees due to the node in tinybars
* A singleton state object that accumulates node fees for distribution<br/> This is used to record the total amount of fees due to each node for distribution in current staking period
* The time when the last node fees were distributed
* A list of node account id to the total amount of fees due to each node in the current staking period