[EP9] [Executable] Change to Exponential Premium Price Oracle

Summary

Proposes to deploy Exponential Price Oracle Contract to replace the current Linear Price Oracle Contract.

Abstract

In the past we deployed the Linear Premium Oracle as a way to create a distribution mechanism that did not involve gas auctions and bots. This was largely successful and those who wanted a recently expired name could participate in the dutch auction and not have to compete on gas or with bots. Recently with the popularity of ENS increasing, the demand and the price people are willing to pay for these premium names has increased. In response to this TNL quickly drafted a short-term solution to raise the premium to 100k, which we felt was the upper limit for what a linear price decay curve could handle.

There are a couple reasons for this:

On a linear curve, if the price is too high the price decreases too fast and the UX is bad for a user who wants an exact price (especially at the lower end of the curve)
If you extend the time period out, the premium lasts for too long. E.g. If we made it 1 million USD and we wanted a similar price decay speed as 100k, we would need to run it for 10 months, which seems unreasonable.

We can see from the data below, even with the new 100k premium, we have already had a 5-7 domains go for maximum, or close to maximum premium. If a domain sells for the actual premium, it means the dutch auction is not doing its job and so we need to deploy a long-term solution for dealing with premium pricing.

Row	label	event_timestamp	premium	
1	bbc 2022-01-30 17:46:03 UTC 100230.75321837279
2	mets 2022-02-04 17:16:22 UTC 100082.49847319399
3	fbi 2022-02-05 06:02:31 UTC 99894.00632472485
4	fly 2022-02-04 18:49:00 UTC 99747.22640247621
5	ups 2022-02-05 07:46:24 UTC 98822.14747808539
6	dog 2022-02-06 16:19:05 UTC 92950.09208752771
7	ubs 2022-02-01 15:31:35 UTC 89633.15081063367
8	ubi 2022-02-19 17:06:17 UTC 72161.56328771653
9	punks 2022-02-16 00:15:44 UTC 59153.166146336
10	omg 2022-02-24 16:05:57 UTC 33214.42499419019

The long-term solution would be to change the actual curve to something that could start at a very high price, would decrease rapidly at the beginning and slow down at the end so you have better UX for users. And therefore this proposal is to deploy an exponential price curve, that does exactly this. This would allow fairer bidding on both high and low priced names.

Contract Code

https://github.com/ensdomains/ens-contracts/blob/master/contracts/ethregistrar/ExponentialPremiumPriceOracle.sol

Specification

Call setPriceOracle on controller.ens.eth, passing in the address of the deployed ExponentialPremiumPriceOracle (TBD).

start

March 15, 2022

11:00 PM

end

March 20, 2022

11:00 PM

Voting

off-chain

Voting type

basic

Voters

596

Votes

3,251,461

Final Votes

closed

For

3.2M ENS (delegated)

99.41%

Against

18.5K ENS (delegated)

0.57%

Abstain

539.9 ENS (delegated)

0.02%

item label

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0x000000000000

Mon 00, 2024 00:00

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