miraland_program/
native_token.rs

1//! Definitions for the native MLN token and its fractional lamports.
2
3#![allow(clippy::arithmetic_side_effects)]
4
5/// There are 10^9 lamports in one MLN
6pub const LAMPORTS_PER_MLN: u64 = 1_000_000_000;
7
8/// Approximately convert fractional native tokens (lamports) into native tokens (MLN)
9pub fn lamports_to_mln(lamports: u64) -> f64 {
10    lamports as f64 / LAMPORTS_PER_MLN as f64
11}
12
13/// Approximately convert native tokens (MLN) into fractional native tokens (lamports)
14pub fn mln_to_lamports(mln: f64) -> u64 {
15    (mln * LAMPORTS_PER_MLN as f64) as u64
16}
17
18use std::fmt::{Debug, Display, Formatter, Result};
19pub struct Mln(pub u64);
20
21impl Mln {
22    fn write_in_mln(&self, f: &mut Formatter) -> Result {
23        write!(
24            f,
25            "𝇊{}.{:09}",
26            self.0 / LAMPORTS_PER_MLN,
27            self.0 % LAMPORTS_PER_MLN
28        )
29    }
30}
31
32impl Display for Mln {
33    fn fmt(&self, f: &mut Formatter) -> Result {
34        self.write_in_mln(f)
35    }
36}
37
38impl Debug for Mln {
39    fn fmt(&self, f: &mut Formatter) -> Result {
40        self.write_in_mln(f)
41    }
42}
miraland_program/native_token.rs

miraland_program/
native_token.rs
