1use thiserror::Error; 2 3#[derive(Clone, Debug, Error)] 4pub enum Error { 5 #[error("Overflow when converting types")] 6 Overflow, 7 #[error("Underflow when converting types")] 8 Underflow, 9 #[error("Error converting string {0} to U256")] 10 ParseStringToU256(String), 11}