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> Record<N, Plaintext<N>> {
22      /// Returns the entry from the given path.
23      pub fn find<A: Into<Access<N>> + Copy + Debug>(&self, path: &[A]) -> Result<Entry<N, Plaintext<N>>> {
24          // If the path is of length one, check if the path is requesting the `owner`.
25          if path.len() == 1 && path[0].into() == Access::Member(Identifier::from_str("owner")?) {
26              return Ok(self.owner.to_entry());
27          }
28  
29          // Ensure the path is not empty.
30          if let Some((first, rest)) = path.split_first() {
31              let first = match (*first).into() {
32                  Access::Member(identifier) => identifier,
33                  Access::Index(_) => bail!("Attempted to index into a record"),
34              };
35              // Retrieve the top-level entry.
36              match self.data.get(&first) {
37                  Some(entry) => match rest.is_empty() {
38                      // If the remaining path is empty, return the top-level entry.
39                      true => Ok(entry.clone()),
40                      // Otherwise, recursively call `find` on the top-level entry.
41                      false => entry.find(rest),
42                  },
43                  None => bail!("Record entry `{first}` not found."),
44              }
45          } else {
46              bail!("Attempted to find record entry with an empty path.")
47          }
48      }
49  }