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  mod bytes;
20  mod serialize;
21  mod string;
22  mod to_bits;
23  
24  use alphavm_console_network::prelude::*;
25  use alphavm_console_types::Field;
26  
27  /// The Merkle leaf for the block header.
28  #[derive(Copy, Clone, PartialEq, Eq)]
29  pub struct HeaderLeaf<N: Network> {
30      /// The index of the Merkle leaf.
31      index: u8,
32      /// The ID.
33      id: Field<N>,
34  }
35  
36  impl<N: Network> HeaderLeaf<N> {
37      /// Initializes a new instance of `HeaderLeaf`.
38      pub const fn new(index: u8, id: Field<N>) -> Self {
39          Self { index, id }
40      }
41  
42      /// Returns the index of the Merkle leaf.
43      pub const fn index(&self) -> u8 {
44          self.index
45      }
46  
47      /// Returns the ID in the Merkle leaf.
48      pub const fn id(&self) -> Field<N> {
49          self.id
50      }
51  }
52  
53  #[cfg(test)]
54  mod test_helpers {
55      use super::*;
56      use alphavm_console_network::MainnetV0;
57  
58      type CurrentNetwork = MainnetV0;
59  
60      pub(super) fn sample_leaf(rng: &mut TestRng) -> HeaderLeaf<CurrentNetwork> {
61          // Construct a new leaf.
62          HeaderLeaf::new(rng.r#gen(), Uniform::rand(rng))
63      }
64  }