https://github.com/pengpengliu/EthereumKit.git
import EthereumKit
// let compressedPubkey = [0x02] + [UInt8](repeating: 0, count: 32)
let uncompressedPubkey = [UInt8](repeating: 0, count: 64)
let address = try! Address(uncompressedPubkey)
let checksummedWith0x = address.description