tendermint/vote/
power.rs

1//! Voting power
2
3use core::fmt;
4
5use serde::{de::Error as _, Deserialize, Deserializer, Serialize, Serializer};
6
7use crate::{error::Error, prelude::*};
8
9/// Voting power
10#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Default)]
11pub struct Power(u64);
12
13impl fmt::Display for Power {
14    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
15        write!(f, "{}", self.value())
16    }
17}
18
19impl TryFrom<i64> for Power {
20    type Error = Error;
21
22    fn try_from(value: i64) -> Result<Self, Self::Error> {
23        Ok(Power(value.try_into().map_err(Error::negative_power)?))
24    }
25}
26
27impl From<Power> for i64 {
28    fn from(value: Power) -> Self {
29        value.value() as i64
30    }
31}
32
33impl TryFrom<u64> for Power {
34    type Error = Error;
35
36    fn try_from(value: u64) -> Result<Self, Self::Error> {
37        let _val: i64 = value.try_into().map_err(Error::integer_overflow)?;
38
39        Ok(Power(value))
40    }
41}
42
43impl From<Power> for u64 {
44    fn from(value: Power) -> Self {
45        value.value()
46    }
47}
48
49impl From<u32> for Power {
50    fn from(value: u32) -> Self {
51        Power(value as u64)
52    }
53}
54
55impl From<u16> for Power {
56    fn from(value: u16) -> Self {
57        Power(value as u64)
58    }
59}
60
61impl From<u8> for Power {
62    fn from(value: u8) -> Self {
63        Power(value as u64)
64    }
65}
66
67impl Power {
68    /// Get the current voting power
69    pub fn value(self) -> u64 {
70        self.0
71    }
72
73    /// Is the current voting power zero?
74    pub fn is_zero(self) -> bool {
75        self.0 == 0
76    }
77}
78
79impl<'de> Deserialize<'de> for Power {
80    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
81        Ok(Power(
82            String::deserialize(deserializer)?
83                .parse::<i64>()
84                .map_err(|e| D::Error::custom(format!("{e}")))?
85                .try_into()
86                .map_err(|e| D::Error::custom(format!("{e}")))?,
87        ))
88    }
89}
90
91impl Serialize for Power {
92    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
93        let proto_int: i64 = (*self).into();
94        proto_int.to_string().serialize(serializer)
95    }
96}
tendermint/vote/power.rs

tendermint/vote/
power.rs
