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
164
165

//! TODO docs
use crate::{AccountName, Asset};
use eosio_bytes::{NumBytes, Read, Write};
use std::fmt;

/// TODO docs
#[derive(Debug, PartialEq, Clone, Copy, Default, NumBytes, Read, Write)]
#[eosio_bytes_root_path = "::eosio_bytes"]
pub struct ExtendedAsset {
    /// TODO docs
    pub quantity: Asset,
    /// TODO docs
    pub contract: AccountName,
}

impl fmt::Display for ExtendedAsset {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{} @ {}", self.quantity, self.contract)
    }
}

// impl Add for ExtendedAsset {
//     type Output = Self;
//     fn add(self, other: Self) -> Self {
//         check(self.contract == other.contract, "type mismatch");
//         ExtendedAsset {
//             quantity: self.quantity + other.quantity,
//             contract: self.contract,
//         }
//     }
// }

// impl AddAssign for ExtendedAsset {
//     fn add_assign(&mut self, other: Self) {
//         check(self.contract == other.contract, "type mismatch");
//         self.quantity += other.quantity
//     }
// }

// impl Sub for ExtendedAsset {
//     type Output = Self;
//     fn sub(self, other: Self) -> Self {
//         check(self.contract == other.contract, "type mismatch");
//         ExtendedAsset {
//             quantity: self.quantity - other.quantity,
//             contract: self.contract,
//         }
//     }
// }

// impl SubAssign for ExtendedAsset {
//     fn sub_assign(&mut self, other: Self) {
//         check(self.contract == other.contract, "type mismatch");
//         self.quantity -= other.quantity
//     }
// }

// impl Mul for ExtendedAsset {
//     type Output = Self;
//     fn mul(self, other: Self) -> Self {
//         check(self.contract == other.contract, "type mismatch");
//         ExtendedAsset {
//             quantity: self.quantity * other.quantity,
//             contract: self.contract,
//         }
//     }
// }

// impl MulAssign for ExtendedAsset {
//     fn mul_assign(&mut self, other: Self) {
//         check(self.contract == other.contract, "type mismatch");
//         self.quantity *= other.quantity
//     }
// }

// impl Div for ExtendedAsset {
//     type Output = Self;
//     fn div(self, other: Self) -> Self {
//         check(self.contract == other.contract, "type mismatch");
//         ExtendedAsset {
//             quantity: self.quantity / other.quantity,
//             contract: self.contract,
//         }
//     }
// }

// impl DivAssign for ExtendedAsset {
//     fn div_assign(&mut self, other: Self) {
//         check(self.contract == other.contract, "type mismatch");
//         self.quantity /= other.quantity
//     }
// }

// impl Rem for ExtendedAsset {
//     type Output = Self;
//     fn rem(self, other: Self) -> Self {
//         check(self.contract == other.contract, "type mismatch");
//         ExtendedAsset {
//             quantity: self.quantity % other.quantity,
//             contract: self.contract,
//         }
//     }
// }

// impl RemAssign for ExtendedAsset {
//     fn rem_assign(&mut self, other: Self) {
//         check(self.contract == other.contract, "type mismatch");
//         self.quantity %= other.quantity
//     }
// }

#[cfg(test)]
mod tests {
    use super::*;
    use eosio_numstr_macros::{n, s};

    macro_rules! test_to_string {
        ($($name:ident, $amount:expr, $symbol:expr, $contract:expr, $expected:expr)*) => ($(
            #[test]
            fn $name() {
                let asset = ExtendedAsset {
                    quantity: Asset {
                        amount: $amount,
                        symbol: $symbol.into(),
                    },
                    contract: $contract.into(),
                };
                assert_eq!(asset.to_string(), $expected);
            }
        )*)
    }

    test_to_string! {
        to_string,
        1_0000,
        s!(4, EOS),
        n!(eosio.token),
        "1.0000 EOS @ eosio.token"

        to_string_signed,
        -1_0000,
        s!(4, EOS),
        n!(eosio.token),
        "-1.0000 EOS @ eosio.token"

        to_string_decimal,
        1_0001,
        s!(4, EOS),
        n!(eosio.token),
        "1.0001 EOS @ eosio.token"

        to_string_zero_precision,
        10_001,
        s!(0, EOS),
        n!(eosio.token),
        "10001 EOS @ eosio.token"

        to_string_zero_precision_signed,
        -10_001,
        s!(0, EOS),
        n!(eosio.token),
        "-10001 EOS @ eosio.token"
    }
}