TestKusama.swift

func testKusama() {
        let key = PrivateKey(data: Data(hexString: "0x85fca134b3fe3fd523d8b528608d803890e26c93c86dc3d97b8d59c7b3540c97")!)!
        let pubkey = key.getPublicKeyEd25519()
        print("public key", pubkey.data.hexString)
        let preimage = Data([0x2]) + pubkey.data
        print("preimage", preimage.hexString)
        let hash = Hash.blake2b(data: "SS58PRE".data(using: .utf8)! + preimage, size: 64)
        print("blake2b hash", hash.hexString)
        let decoded = Base58.decodeNoCheck(string: "HewiDTQv92L2bVtkziZC8ASxrFUxr6ajQ62RXAnwQ8FDVmg")!
        let checksum = hash[0..<2]
        XCTAssertEqual(preimage + checksum, decoded)
    }