English Auction

Description

English auction provides sequential rounds when bidders make bids by queue.

States(more about states you can find here)

• pending - state of waiting. That state uses to read basic information of auction. Any actions are not allowed.
• pre_round_pause - state of waiting before first round. Here bidders can get acquainted with bids of opponents.
  Any actions are not allowed. Bids legal names are hidden.
• sequential_round - state of bids posting. Here bidders can post their bids. Any sequential round splitted into
  sub-rounds, where every sub-round is queue of specific bidder. When bidder do any actions on his turn - no one else don't see any actions, until the round is end's.
• open_pause - state of waiting. In that state you can see results of the previous sequential round
• done - results of auction

graph TD;
  pending-->pre_round_pause;
  pre_round_pause-->sequential_round;
  subgraph "There is one more round"
  sequential_round-->open_pause;
  open_pause-->sequential_round;
  end
  subgraph "Last round has ended"
  sequential_round-->done;
end

Bids logic

• Bidders can post bid only if his bid is >= bid + minimalStep. minimalStep - step of auction. Provides by procedure.
• Sorting. Bids sorting by rule - highest bid and lowest datePublished. That mean winner will be with biggest bid
  and lowest date published.