ord 0.27.1

◉ Ordinal wallet and block explorer
Documentation 
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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163

use {
  super::*,
  std::{
    cmp::{PartialEq, PartialOrd},
    ops::{Add, AddAssign, Div, Rem, Sub, SubAssign},
  },
};

#[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Default, Serialize, Deserialize)]
pub struct Lot(pub u128);

impl Lot {
  #[cfg(test)]
  const MAX: Self = Self(u128::MAX);

  pub(super) fn n(self) -> u128 {
    self.0
  }

  fn checked_add(self, rhs: Self) -> Option<Self> {
    Some(Self(self.0.checked_add(rhs.0)?))
  }

  fn checked_sub(self, rhs: Self) -> Option<Self> {
    Some(Self(self.0.checked_sub(rhs.0)?))
  }
}

impl TryFrom<Lot> for usize {
  type Error = <usize as TryFrom<u128>>::Error;
  fn try_from(lot: Lot) -> Result<Self, Self::Error> {
    usize::try_from(lot.0)
  }
}

impl Add for Lot {
  type Output = Self;
  fn add(self, other: Self) -> Self::Output {
    self.checked_add(other).expect("lot overflow")
  }
}

impl AddAssign for Lot {
  fn add_assign(&mut self, other: Self) {
    *self = *self + other;
  }
}

impl Add<u128> for Lot {
  type Output = Self;
  fn add(self, other: u128) -> Self::Output {
    self + Lot(other)
  }
}

impl AddAssign<u128> for Lot {
  fn add_assign(&mut self, other: u128) {
    *self += Lot(other);
  }
}

impl Sub for Lot {
  type Output = Self;
  fn sub(self, other: Self) -> Self::Output {
    self.checked_sub(other).expect("lot underflow")
  }
}

impl SubAssign for Lot {
  fn sub_assign(&mut self, other: Self) {
    *self = *self - other;
  }
}

impl Div<u128> for Lot {
  type Output = Self;
  fn div(self, other: u128) -> Self::Output {
    Lot(self.0 / other)
  }
}

impl Rem<u128> for Lot {
  type Output = Self;
  fn rem(self, other: u128) -> Self::Output {
    Lot(self.0 % other)
  }
}

impl PartialEq<u128> for Lot {
  fn eq(&self, other: &u128) -> bool {
    self.0 == *other
  }
}

impl PartialOrd<u128> for Lot {
  fn partial_cmp(&self, other: &u128) -> Option<std::cmp::Ordering> {
    self.0.partial_cmp(other)
  }
}

#[cfg(test)]
mod tests {
  use super::*;

  #[test]
  #[should_panic(expected = "lot overflow")]
  fn add() {
    let _ = Lot::MAX + 1;
  }

  #[test]
  #[should_panic(expected = "lot overflow")]
  fn add_assign() {
    let mut l = Lot::MAX;
    l += Lot(1);
  }

  #[test]
  #[should_panic(expected = "lot overflow")]
  fn add_u128() {
    let _ = Lot::MAX + 1;
  }

  #[test]
  #[should_panic(expected = "lot overflow")]
  fn add_assign_u128() {
    let mut l = Lot::MAX;
    l += 1;
  }

  #[test]
  #[should_panic(expected = "lot underflow")]
  fn sub() {
    let _ = Lot(0) - Lot(1);
  }

  #[test]
  #[should_panic(expected = "lot underflow")]
  fn sub_assign() {
    let mut l = Lot(0);
    l -= Lot(1);
  }

  #[test]
  fn div() {
    assert_eq!(Lot(100) / 2, Lot(50));
  }

  #[test]
  fn rem() {
    assert_eq!(Lot(77) % 8, Lot(5));
  }

  #[test]
  fn partial_eq() {
    assert_eq!(Lot(100), 100);
  }

  #[test]
  fn partial_ord() {
    assert!(Lot(100) > 10);
  }
}