bsv_wasm/utils/
bytes.rs

1use crate::utils::{from_hex, to_hex};
2use hex::FromHexError;
3use serde::*;
4#[cfg(target_arch = "wasm32")]
5use wasm_bindgen::prelude::*;
6#[cfg(target_arch = "wasm32")]
7use wasm_bindgen::{throw_str, JsValue};
8
9/**
10 * A handy struct to allow calling of various utility methods
11 */
12#[cfg_attr(target_arch = "wasm32", wasm_bindgen)]
13#[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize)]
14pub struct Bytes(#[serde(serialize_with = "to_hex", deserialize_with = "from_hex")] pub(crate) Vec<u8>);
15
16impl Bytes {
17    pub(crate) fn from_hex_impl(hex_str: &str) -> Result<Bytes, FromHexError> {
18        let bytes = hex::decode(hex_str)?;
19        Ok(Bytes(bytes))
20    }
21}
22
23#[cfg_attr(target_arch = "wasm32", wasm_bindgen)]
24impl Bytes {
25    #[cfg_attr(target_arch = "wasm32", wasm_bindgen(js_name = readReverse))]
26    pub fn to_slice_le(&self) -> Vec<u8> {
27        let mut bytes = self.0.clone();
28        bytes.reverse();
29        bytes
30    }
31
32    #[cfg_attr(target_arch = "wasm32", wasm_bindgen(js_name = read))]
33    pub fn to_slice_be(&self) -> Vec<u8> {
34        self.0.clone()
35    }
36
37    pub fn reverse(&mut self) {
38        self.0.reverse();
39    }
40
41    #[cfg_attr(target_arch = "wasm32", wasm_bindgen(js_name = toHex))]
42    pub fn to_hex(&self) -> String {
43        hex::encode(&self.0)
44    }
45}
46
47#[cfg(target_arch = "wasm32")]
48#[cfg_attr(target_arch = "wasm32", wasm_bindgen)]
49impl Bytes {
50    #[cfg_attr(target_arch = "wasm32", wasm_bindgen(js_name = fromHex))]
51    pub fn from_hex(hex_str: &str) -> Result<Bytes, JsValue> {
52        match Bytes::from_hex_impl(hex_str) {
53            Ok(v) => Ok(v),
54            Err(e) => Err(JsValue::from_str(&e.to_string())),
55        }
56    }
57}
58
59#[cfg(not(target_arch = "wasm32"))]
60impl Bytes {
61    pub fn from_hex(hex_str: &str) -> Result<Bytes, FromHexError> {
62        Bytes::from_hex_impl(hex_str)
63    }
64}
bsv_wasm/utils/bytes.rs

bsv_wasm/utils/
bytes.rs
