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Chainlink Japan x ENS (history of ENS auctions)
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Makoto Inoue
December 09, 2020
Technology
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Chainlink Japan x ENS (history of ENS auctions)
Makoto Inoue
December 09, 2020
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Transcript
Chainlink Japan 2020年12月 9日
Speaker (@makoto_inoue) - Developer at @ensdomains - https://ens.domains
Also known for...
Agenda - 1. What is ENS? - 2. History of
ENS Auctions - 3. ENS & Price Oracle
What is ENS? 0x5a384227b65fa093dec...
What is ENS? matoken.eth
Not just ETH (90 coins) matoken.eth
Not just coins
uniswap.eth.link
Contenthash
Uploading your website into IPFS
CI Integration via Fleek
ENS integration
Adoption
Adoption
ENS as an identity
2: History of ENS Auctions
ENS Initial Auction (2017 May 4th) • Sealed bids over
7 days • Winning bid is locked • Vickrey auction (the winner pays the second-highest price, not the price they themselves bid)
• 400k domains registered • E170k ($20M) locked • 1
engineer (when launched)
• ethfinex.eth = E 201k ($20~40M) • sportsbet.eth = E
188k • consensys.eth = E 184k Highest bid
• darkmarket.eth = E20k ($2~4M) • openmarket.eth = E10k •
exchange.eth = E6k • ethfinex.eth = E 201k ($20~40M) • sportsbet.eth = E 188k • consensys.eth = E 184k Highest bid Highest won
ENS Registration (2019 5 ~) - Request to register -
Wait for a minute - Complete Registration
ENS Registration (2019 5 ~) - Request to register -
Wait for a minute - Complete Registration inside!
• 3 - 6 chars • Outsourced to OpenSea •
ENS is now NFT 2. ENS Short name Auction (2019 Sep - Nov)
Fungible vs Non fungible
Fungible vs Non fungible
Fungible vs Non fungible
Fungible vs Non fungible
NFT Universe
• 50,355 bids • 7670 names • Highest bid ◦
Amazon.eth 100 ETH ◦ Wallet.eth 75 ETH ◦ Google.eth 52.9 ETH ENS short name auction result
3. Price premium (2020/8~) - 90 days grace period -
Starts from 2k Premium - Decrease to 0 over 28 days - (aka Dutch Auction) - To prevent squatting
- 44 registrations on day 1 - Highest gas =
2020 gwei - 1967 registrations in day 28 3. Result
3: ENS and Price Oracle
ENS Architecture (Registrar) Registrar FIFSRegistrar ETHRegistrar DNSRegistrar Subdomain
ENS Architecture (Co) EthRegistrar RegistrarController StablePriceOracle renew(name, duration) price(name, duration)
ChainlinkOracle latestAnswer() ethPrice amount / ethPrice basePrice + premium
- MakerOracle -> Chainlink Oracle refactoring
Oracle Troubleshooting (renewal failure)
Problem 1: Not enough buffer
Problem 2: Failing on refund
Solution
Result
For more info - docs.ens.domains - Discord - https://github.com/ens -
app.ens.domains/name/ens.eth/subdomains - @makoto_inoue
Thank you! Makoto Inoue /
[email protected]