payout — total amount of reward for the post.reward_weight — a weight of reward for a post.funds — total number of tokens in the reward pool.sharesfn — a share of tokens that allocated in the rewards pool to be used for reward for the post (this parameter depends on a weight of the post).rsharesfn — number of tokens that allocated in the rewards pool to be be spent on reward for all posts (parameter depends on total weight of all posts).