1  // Copyright (c) 2025-2026 ACDC Network
 2  // This file is part of the alphavm library.
 3  //
 4  // Alpha Chain | Delta Chain Protocol
 5  // International Monetary Graphite.
 6  //
 7  // Derived from Aleo (https://aleo.org) and ProvableHQ (https://provable.com).
 8  // They built world-class ZK infrastructure. We installed the EASY button.
 9  // Their cryptography: elegant. Our modifications: bureaucracy-compatible.
10  // Original brilliance: theirs. Robert's Rules: ours. Bugs: definitely ours.
11  //
12  // Original Aleo/ProvableHQ code subject to Apache 2.0 https://www.apache.org/licenses/LICENSE-2.0
13  // All modifications and new work: CC0 1.0 Universal Public Domain Dedication.
14  // No rights reserved. No permission required. No warranty. No refunds.
15  //
16  // https://creativecommons.org/publicdomain/zero/1.0/
17  // SPDX-License-Identifier: CC0-1.0
18  
19  use super::*;
20  
21  impl<N: Network> Identifier<N> {
22      /// Returns the number of bits of this identifier.
23      pub fn size_in_bits(&self) -> u8 {
24          // The size in bits always fits in a u8, as the underlying representation is a field element.
25          debug_assert!(Field::<N>::size_in_data_bits() <= u8::MAX as usize);
26          // Convert the size to bits (as a byte-aligned multiple).
27          8 * self.1
28      }
29  }
30  
31  #[cfg(test)]
32  mod tests {
33      use super::*;
34      use crate::data::identifier::tests::sample_identifier_as_string;
35      use alphavm_console_network::MainnetV0;
36  
37      type CurrentNetwork = MainnetV0;
38  
39      const ITERATIONS: usize = 100;
40  
41      #[test]
42      fn test_size_in_bits() -> Result<()> {
43          let mut rng = TestRng::default();
44  
45          for _ in 0..ITERATIONS {
46              // Sample a random fixed-length alphanumeric string, that always starts with an alphabetic character.
47              let expected_string = sample_identifier_as_string::<CurrentNetwork>(&mut rng)?;
48  
49              let candidate = Identifier::<CurrentNetwork>::from_str(&expected_string)?;
50              assert_eq!(expected_string.len() * 8, candidate.size_in_bits() as usize);
51          }
52          Ok(())
53      }
54  }