GetHistoryCumulativeIssue used for get the cumulative issuance of a certain year in history.

SetYearEndCumulativeIssue used for set historical cumulative increase at the end of the year.

Instance a global StakingPlugin.

80% of fixed-issued tokens are allocated to reward pool each year.

Provides an API interface to obtain data related to the economic model.

Nodes with zero blocks will construct this structure and store it in the queue waiting for punishment.