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#![cfg_attr(not(feature = "std"), no_std)]
#[cfg(all(not(feature = "std"), test))]
extern crate std;
#[cfg(test)]
#[macro_use]
extern crate approx;
#[cfg(test)]
mod test_pow_accuracy;
pub mod ema;
pub mod fee;
pub mod fraction;
pub mod lbp;
pub mod liquidity_mining;
pub mod omnipool;
pub mod omnipool_subpools;
pub mod ratio;
pub mod stableswap;
pub mod support;
#[cfg(test)]
pub mod test_utils;
pub mod transcendental;
pub mod types;
pub mod xyk;
#[macro_export]
macro_rules! ensure {
($e:expr, $f:expr) => {
match $e {
true => (),
false => {
return Err($f);
}
}
};
}
#[macro_export]
macro_rules! round_up {
($e:expr) => {
$e.checked_add(FIXED_ROUND_UP).ok_or(Overflow)
};
}
#[macro_export]
macro_rules! to_u256 {
($($x:expr),+) => (
{($(U256::from($x)),+)}
);
}
#[macro_export]
macro_rules! to_u128_wrapper {
($($x:expr),+) => (
{($(U128::from($x)),+)}
);
}
#[macro_export]
macro_rules! to_balance {
($x:expr) => {
Balance::try_from($x).map_err(|_| Overflow)
};
}
#[macro_export]
macro_rules! to_lbp_weight {
($x:expr) => {
LBPWeight::try_from($x).map_err(|_| Overflow)
};
}
#[derive(Eq, PartialEq, Debug)]
pub enum MathError {
Overflow,
InsufficientOutReserve,
ZeroWeight,
ZeroReserve,
ZeroDuration,
DivisionByZero,
}
#[cfg(test)]
mod conversion_tests {
use super::MathError::Overflow;
use crate::types::Balance;
use crate::types::LBPWeight;
use core::convert::TryFrom;
const FIXED_ROUND_UP: Balance = 1;
#[test]
fn test_conversion() {
let one: u32 = 1;
assert_eq!(to_balance!(one), Ok(1u128));
assert_eq!(to_lbp_weight!(one), Ok(1u32));
assert_eq!(round_up!(Balance::from(one)), Ok(2u128));
}
}