1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
use alloc::vec::Vec;
use core::ops::RangeInclusive;
use packable::{
bounded::{BoundedU32, BoundedU8},
prefix::BoxedSlicePrefix,
Packable,
};
use crate::block::{Block, Error};
pub(crate) type TagLength =
BoundedU8<{ *TaggedDataPayload::TAG_LENGTH_RANGE.start() }, { *TaggedDataPayload::TAG_LENGTH_RANGE.end() }>;
pub(crate) type TaggedDataLength =
BoundedU32<{ *TaggedDataPayload::DATA_LENGTH_RANGE.start() }, { *TaggedDataPayload::DATA_LENGTH_RANGE.end() }>;
#[derive(Clone, Eq, PartialEq, Packable)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[packable(unpack_error = Error)]
pub struct TaggedDataPayload {
#[packable(unpack_error_with = |err| Error::InvalidTagLength(err.into_prefix_err().into()))]
tag: BoxedSlicePrefix<u8, TagLength>,
#[packable(unpack_error_with = |err| Error::InvalidTaggedDataLength(err.into_prefix_err().into()))]
data: BoxedSlicePrefix<u8, TaggedDataLength>,
}
impl TaggedDataPayload {
pub const KIND: u32 = 5;
pub const TAG_LENGTH_RANGE: RangeInclusive<u8> = 0..=64;
pub const DATA_LENGTH_RANGE: RangeInclusive<u32> = 0..=(Block::LENGTH_MAX - Block::LENGTH_MIN - 9) as u32;
pub fn new(tag: Vec<u8>, data: Vec<u8>) -> Result<Self, Error> {
Ok(Self {
tag: tag.into_boxed_slice().try_into().map_err(Error::InvalidTagLength)?,
data: data
.into_boxed_slice()
.try_into()
.map_err(Error::InvalidTaggedDataLength)?,
})
}
pub fn tag(&self) -> &[u8] {
&self.tag
}
pub fn data(&self) -> &[u8] {
&self.data
}
}
impl core::fmt::Debug for TaggedDataPayload {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.debug_struct("TaggedDataPayload")
.field("tag", &prefix_hex::encode(self.tag()))
.field("data", &prefix_hex::encode(self.data()))
.finish()
}
}
#[cfg(feature = "dto")]
#[allow(missing_docs)]
pub mod dto {
use serde::{Deserialize, Serialize};
use super::*;
use crate::block::error::dto::DtoError;
#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
pub struct TaggedDataPayloadDto {
#[serde(rename = "type")]
pub kind: u32,
#[serde(skip_serializing_if = "String::is_empty", default)]
pub tag: String,
#[serde(skip_serializing_if = "String::is_empty", default)]
pub data: String,
}
impl From<&TaggedDataPayload> for TaggedDataPayloadDto {
fn from(value: &TaggedDataPayload) -> Self {
TaggedDataPayloadDto {
kind: TaggedDataPayload::KIND,
tag: prefix_hex::encode(value.tag()),
data: prefix_hex::encode(value.data()),
}
}
}
impl TryFrom<&TaggedDataPayloadDto> for TaggedDataPayload {
type Error = DtoError;
fn try_from(value: &TaggedDataPayloadDto) -> Result<Self, Self::Error> {
Ok(TaggedDataPayload::new(
if !value.tag.is_empty() {
prefix_hex::decode(&value.tag).map_err(|_| DtoError::InvalidField("tag"))?
} else {
Vec::new()
},
if !value.data.is_empty() {
prefix_hex::decode(&value.data).map_err(|_| DtoError::InvalidField("data"))?
} else {
Vec::new()
},
)?)
}
}
}