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use super::Asset; use crate::{ account::AccountName, bytes::{NumBytes, Read, Write}, }; use core::{fmt, ops::Deref}; /// Extended asset which stores the information of the owner of the asset /// <https://github.com/EOSIO/eosio.cdt/blob/4985359a30da1f883418b7133593f835927b8046/libraries/eosiolib/core/eosio/asset.hpp#L371-L481> #[derive( Debug, PartialEq, PartialOrd, Clone, Copy, Default, NumBytes, Read, Write, )] #[eosio(crate_path = "crate::bytes")] pub struct ExtendedAsset { /// The asset pub quantity: Asset, /// The owner of the asset pub contract: AccountName, } impl fmt::Display for ExtendedAsset { #[inline] fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{} @ {}", self.quantity, self.contract.deref()) } } // 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 extended_asset_tests { use super::*; use alloc::string::ToString; use eosio_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" } }