I was informed a few weeks ago that Selective Bids do not function as
intended as they are written unless we apply the good-faith
interpret-by-intention clause. I kind of forgot about it until I
realized I needed to do victory auctions and I realized I had an old
draft of this lying around. A bit of polishing and here we are. Details
about the breakage listed below the text.
I intend, with 2 Agoran consent, to apply the following amendments:
{
Amend AM5 by replacing:
* The Nth awardee of a selective-bid auction is the player who
placed the highest active bid whose preferred bid is the Nth
lot.
with:
* The Nth awardee of a selective-bid auction is the player who
placed the highest bid in the set of bids made by funded, non
withdrawn players whose preferred bid is the Nth lot.
}
This broke when I started using the "active bid" terminology. Zealous
copy-pasting on my part is to blame. Essentially, this breakage
disallows any one player from winning multiple lots.
For example, consider the following scenario:
- Alice bids 10 on item Foo and 10 on item Bar.
- Bob bids 20 on item Foo.
- Alice bids 30 on item Foo.
- The auction ends.
The awardees are determined using the set of active bids. These are "all
funded, non-withdrawn players' highest bids on that auction." Assuming
Alice and Bob are both funded, the set of active bids is {(Alice, 30,
item Foo), (Bob, 20, item Foo)}. In this scenario, item Foo has a clear
winner, but item Bar does not, since there are no "active bid[s] whose
preferred bid is [item Bar]." This isn't the only edge case, either, but
it's a particularly problematic one.
This is clearly a bug and clearly one where the intent was clearly that
the highest bidder on a specific lot should get it.
More details about edge cases: players who do not have enough currency
to pay for everything that they win cannot win anything since they are
not considered a funded player under the current definition as a player
who "ha[s] at least as much of that auction's currency as the amount
that e is required to pay in that auction."
--
Trigon
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