//! 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) ); } }