catbuffer_rust/embedded_transaction_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::entity_type_dto::*;
23use super::generator_utils::*;
24use super::key_dto::*;
25use super::network_type_dto::*;
26
27/// Binary layout for an embedded transaction.
28#[derive(Debug, Clone)]
29pub struct EmbeddedTransactionBuilder {
30 /// Entity signer's public key.
31 pub signer_public_key: KeyDto,
32 /// Entity version.
33 pub version: u8,
34 /// Entity network.
35 pub network: NetworkTypeDto,
36 /// Entity type.
37 pub _type: EntityTypeDto,
38}
39
40impl EmbeddedTransactionBuilder {
41 /// Creates an instance of EmbeddedTransactionBuilder from binary payload.
42 /// payload: Byte payload to use to serialize the object.
43 /// # Returns
44 /// A EmbeddedTransactionBuilder.
45 pub fn from_binary(payload: &[u8]) -> Self {
46 let mut _bytes = payload.to_vec();
47 _bytes = (&_bytes[4..]).to_vec();
48 let buf = fixed_bytes::<4>(&_bytes);
49 let _ = u32::from_le_bytes(buf); // kind:SIMPLE
50 _bytes = (&_bytes[4..]).to_vec();
51 let signer_public_key = KeyDto::from_binary(&_bytes); // kind:CUSTOM1
52 _bytes = _bytes[signer_public_key.get_size()..].to_vec();
53 let buf = fixed_bytes::<4>(&_bytes);
54 let _ = u32::from_le_bytes(buf); // kind:SIMPLE
55 _bytes = (&_bytes[4..]).to_vec();
56 let buf = fixed_bytes::<1>(&_bytes);
57 let version = u8::from_le_bytes(buf); // kind:SIMPLE
58 _bytes = (&_bytes[1..]).to_vec();
59 let network = NetworkTypeDto::from_binary(&_bytes); // kind:CUSTOM2
60 _bytes = (&_bytes[network.get_size()..]).to_vec();
61 let _type = EntityTypeDto::from_binary(&_bytes); // kind:CUSTOM2
62 _bytes = (&_bytes[_type.get_size()..]).to_vec();
63 // create object and call. // EmbeddedTransaction
64 EmbeddedTransactionBuilder { signer_public_key, version, network, _type }
65 }
66
67 /// Gets the size of the type.
68 ///
69 /// Returns:
70 /// A size in bytes.
71 pub fn get_size(&self) -> usize {
72 let mut size = 0;
73 size += 4; // size;
74 size += 4; // embedded_transaction_header__reserved1;
75 size += self.signer_public_key.get_size(); // signer_public_key_size;
76 size += 4; // entity_body__reserved1;
77 size += 1; // version;
78 size += self.network.get_size(); // network_size;
79 size += self._type.get_size(); // type_size;
80 size
81 }
82
83 /// Serializes self to bytes.
84 ///
85 /// # Returns
86 /// A Serialized bytes.
87 pub fn serializer(&self) -> Vec<u8> {
88 let mut buf: Vec<u8> = vec![];
89 // Ignored serialization: size AttributeKind.SIMPLE
90 buf.append(&mut [0u8; 4].to_vec()); // kind:SIMPLE and is_reserved
91 buf.append(&mut self.signer_public_key.serializer()); // kind:CUSTOM
92 buf.append(&mut [0u8; 4].to_vec()); // kind:SIMPLE and is_reserved
93 buf.append(&mut self.version.to_le_bytes().to_vec()); // serial_kind:SIMPLE
94 buf.append(&mut self.network.serializer()); // kind:CUSTOM
95 buf.append(&mut self._type.serializer()); // kind:CUSTOM
96 buf
97 }
98}
99