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
/*
*
* Hedera Rust SDK
*
* Copyright (C) 2022 - 2023 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
use std::fmt::{
self,
Debug,
Display,
Formatter,
};
use sha2::{
Digest,
Sha384,
};
/// The client-generated SHA-384 hash of a transaction that was submitted.
///
/// This can be used to lookup the transaction in an explorer.
#[derive(Copy, Clone, Hash)]
#[cfg_attr(feature = "ffi", derive(serde_with::SerializeDisplay))]
pub struct TransactionHash(pub [u8; 48]);
impl TransactionHash {
#[must_use]
pub(crate) fn new(bytes: &[u8]) -> Self {
Self(Sha384::digest(bytes).into())
}
}
impl Debug for TransactionHash {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
write!(f, "\"{self}\"")
}
}
impl Display for TransactionHash {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
f.pad(&hex::encode(self.0))
}
}