I'm gonna sell you 0xbitcoin.eth subdomains in exchange of 0xBTC
How to run:
create 2 files, named .secret (put your rinkeby pkey here) and .etherscan (your etherscan api key) then change truffle-config with your "from" address
yarn install
npx truffle migrate --network rinkeby
npx truffle run verify SubdomainStore --network rinkeby