30 Compute Units.
Parameters
block numberinteger Required. The block number identified by the slot.
Returns
resultobject. A custom object with the following fields:commitment. The commitment values for the block. It could be either:null. Null if the block is unknown.array. An array of u64 integers logging the amount of cluster stake in lamports that has voted on the block at each depth from 0 to MAX_LOCKOUT_HISTORY + 1
totalStake. The total number of lamports being used by validators to participate in the block production and voting process.