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