import Voltaire

let h1 = Keccak256.hash("hello world")
print(h1.hex)

let h2 = try Hash(hex: h1.hex)
XCTAssertEqual(h1, h2)

let bytes = h1.bytes // [UInt8] (32)
let h3 = try Hash(bytes: bytes)
XCTAssertEqual(h1, h3)

 // Zero constant
 let zero = Hash.zero
 XCTAssertEqual(zero.hex, "0x0000000000000000000000000000000000000000000000000000000000000000")