solana-program-library/token/program/src/native_mint.rs

25 lines
609 B
Rust

//! The Mint that represents the native token
/// There are 10^9 lamports in one SOL
pub const DECIMALS: u8 = 9;
// The Mint for native SOL Token accounts
solana_program::declare_id!("So11111111111111111111111111111111111111112");
#[cfg(test)]
mod tests {
use super::*;
use solana_program::native_token::*;
#[test]
fn test_decimals() {
assert!(
(lamports_to_sol(42) - crate::amount_to_ui_amount(42, DECIMALS)).abs() < f64::EPSILON
);
assert_eq!(
sol_to_lamports(42.),
crate::ui_amount_to_amount(42., DECIMALS)
);
}
}