Lists not yet paid out top posts ranked by pending payout, more paying first (order within the same payout is: newer first).
Aside from different post format routine is very similar to bridge.get_ranked_posts with payout sort, except the latter only considers posts in narrow
payout window, this one has no such limitation.

method: "condenser_api.get_post_discussion_by_payout"
params:
{
  "start_author":"{author}", "start_permlink":"{permlink}",

     start_author + start_permlink : optional, when given have to point to valid start post; paging mechanism (cuts out this and more paying replies)

  "limit":{number},

     optional, 1..100, default = 20

   "tag":"{tag}",

     optional, actually means category, when given have to point to valid category; narrows down results to posts with given category

   "truncate_body":{number}

     optional, default = 0 (meaning no truncation); reduces maximal size of post body, cutting out all excess
}