catbuffer_rust/
cosignature_builder.rs

1/*
2 * // Copyright (c) 2016-2019, Jaguar0625, gimre, BloodyRookie, Tech Bureau, Corp.
3 * // Copyright (c) 2020-present, Jaguar0625, gimre, BloodyRookie.
4 * // All rights reserved.
5 * //
6 * // This file is part of Catapult.
7 * //
8 * // Catapult is free software: you can redistribute it and/or modify
9 * // it under the terms of the GNU Lesser General Public License as published by
10 * // the Free Software Foundation, either version 3 of the License, or
11 * // (at your option) any later version.
12 * //
13 * // Catapult is distributed in the hope that it will be useful,
14 * // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * // GNU Lesser General Public License for more details.
17 * //
18 * // You should have received a copy of the GNU Lesser General Public License
19 * // along with Catapult. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22use super::generator_utils::*;
23use super::key_dto::*;
24use super::signature_dto::*;
25
26/// Cosignature attached to an aggregate transaction.
27#[derive(Debug, Clone)]
28pub struct CosignatureBuilder {
29    /// Version.
30    version: u64,
31    /// Cosigner public key.
32    signer_public_key: KeyDto,
33    /// Cosigner signature.
34    signature: SignatureDto,
35}
36
37
38impl CosignatureBuilder {
39    /// Creates an instance of CosignatureBuilder from binary payload.
40    /// payload: Byte payload to use to serialize the object.
41    /// # Returns
42    /// A CosignatureBuilder.
43    pub fn from_binary(_bytes: &[u8]) -> Self {
44        let buf = fixed_bytes::<8>(&_bytes);
45        let version = u64::from_le_bytes(buf); // kind:SIMPLE
46        let _bytes = (&_bytes[8..]).to_vec();
47        let signer_public_key = KeyDto::from_binary(&_bytes); // kind:CUSTOM1
48        let mut _bytes = _bytes[signer_public_key.get_size()..].to_vec();
49        let signature = SignatureDto::from_binary(&_bytes); // kind:CUSTOM1
50        let mut _bytes = _bytes[signature.get_size()..].to_vec();
51        CosignatureBuilder { version, signer_public_key, signature }
52    }
53
54    /// Gets version.
55    ///
56    /// # Returns
57    /// A Version.
58    pub fn get_version(&self) -> u64 {
59        self.version.clone()
60    }
61
62    /// Gets cosigner public key.
63    ///
64    /// # Returns
65    /// A Cosigner public key.
66    pub fn get_signer_public_key(&self) -> KeyDto {
67        self.signer_public_key.clone()
68    }
69
70    /// Gets cosigner signature.
71    ///
72    /// # Returns
73    /// A Cosigner signature.
74    pub fn get_signature(&self) -> SignatureDto {
75        self.signature.clone()
76    }
77
78    /// Gets the size of the type.
79    ///
80    /// Returns:
81    /// A size in bytes.
82    pub fn get_size(&self) -> usize {
83        let mut size = 0;
84        size += 8; // version;
85        size += self.signer_public_key.get_size(); // signer_public_key;
86        size += self.signature.get_size(); // signature;
87        size
88    }
89
90    /// Serializes self to bytes.
91    ///
92    /// # Returns
93    /// A Serialized bytes.
94    pub fn serializer(&self) -> Vec<u8> {
95        let mut buf: Vec<u8> = vec![];
96        buf.append(&mut self.get_version().to_le_bytes().to_vec()); // kind:SIMPLE
97        buf.append(&mut self.signer_public_key.serializer()); // kind:CUSTOM
98        buf.append(&mut self.signature.serializer()); // kind:CUSTOM
99        buf
100    }
101}
102