catbuffer_rust/
transfer_transaction_body_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::unresolved_address_dto::*;
24use super::unresolved_mosaic_builder::*;
25
26/// Binary layout for a transfer transaction.
27#[derive(Debug, Clone)]
28pub struct TransferTransactionBodyBuilder {
29    /// Recipient address.
30    pub recipient_address: UnresolvedAddressDto,
31    /// Attached mosaics.
32    pub mosaics: Vec<UnresolvedMosaicBuilder>,
33    /// Attached message.
34    pub message: Vec<u8>,
35}
36
37impl TransferTransactionBodyBuilder {
38    /// Creates an instance of TransferTransactionBodyBuilder from binary payload.
39    /// payload: Byte payload to use to serialize the object.
40    /// # Returns
41    /// A TransferTransactionBodyBuilder.
42    pub fn from_binary(payload: &[u8]) -> Self {
43        let mut _bytes = payload.to_vec();
44        let recipient_address = UnresolvedAddressDto::from_binary(&_bytes); // kind:CUSTOM1
45        _bytes = _bytes[recipient_address.get_size()..].to_vec();
46        let buf = fixed_bytes::<2>(&_bytes);
47        let message_size = u16::from_le_bytes(buf); // kind:SIZE_FIELD
48        _bytes = (&_bytes[2..]).to_vec();
49        let buf = fixed_bytes::<1>(&_bytes);
50        let mosaics_count = u8::from_le_bytes(buf); // kind:SIZE_FIELD
51        _bytes = (&_bytes[1..]).to_vec();
52        let buf = fixed_bytes::<4>(&_bytes);
53        let _ = u32::from_le_bytes(buf); // kind:SIMPLE
54        _bytes = (&_bytes[4..]).to_vec();
55        let buf = fixed_bytes::<1>(&_bytes);
56        let _ = u8::from_le_bytes(buf); // kind:SIMPLE
57        _bytes = (&_bytes[1..]).to_vec();
58        let mut mosaics: Vec<UnresolvedMosaicBuilder> = vec![]; // kind:ARRAY
59        for _ in 0..mosaics_count {
60            let item = UnresolvedMosaicBuilder::from_binary(&_bytes);
61            mosaics.push(item.clone());
62            _bytes = (&_bytes[item.get_size()..]).to_vec();
63        }
64        let message = (&_bytes[..message_size as usize]).to_vec(); // kind:BUFFER
65        _bytes = (&_bytes[message_size as usize..]).to_vec();
66        // create object and call.
67        TransferTransactionBodyBuilder { recipient_address, mosaics, message } // TransactionBody
68    }
69
70    /// Gets the size of the type.
71    ///
72    /// Returns:
73    /// A size in bytes.
74    pub fn get_size(&self) -> usize {
75        let mut size = 0;
76        size += self.recipient_address.get_size(); // recipient_address_size;
77        size += 2;  // message_size;
78        size += 1;  // mosaics_count;
79        size += 4;  // transfer_transaction_body__reserved1;
80        size += 1;  // transfer_transaction_body__reserved2;
81        for i in &self.mosaics {
82            size += i.get_size(); // FILL_ARRAY
83        };
84        size += self.message.len();
85        size
86    }
87
88    /// Serializes self to bytes.
89    ///
90    /// # Returns
91    /// A Serialized bytes.
92    pub fn serializer(&self) -> Vec<u8> {
93        let mut buf: Vec<u8> = vec![];
94        buf.append(&mut self.recipient_address.serializer()); // kind:CUSTOM
95        let size_value: u16 = self.message.len() as u16;
96        buf.append(&mut size_value.to_le_bytes().to_vec()); // kind:SIZE_FIELD
97        let size_value: u8 = self.mosaics.len() as u8;
98        buf.append(&mut size_value.to_le_bytes().to_vec()); // kind:SIZE_FIELD
99        buf.append(&mut [0u8; 4].to_vec()); // kind:SIMPLE and is_reserved
100        buf.append(&mut [0u8; 1].to_vec()); // kind:SIMPLE and is_reserved
101        for i in &self.mosaics {
102            buf.append(&mut i.serializer()); // kind:ARRAY|FILL_ARRAY
103        }
104        buf.append(&mut self.message.clone()); // kind:BUFFER
105        buf
106    }
107}
108
catbuffer_rust/transfer_transaction_body_builder.rs

catbuffer_rust/
transfer_transaction_body_builder.rs
