light_hasher/
errors.rs

1use light_poseidon::PoseidonError;
2use solana_program::poseidon::PoseidonSyscallError;
3use thiserror::Error;
4
5#[derive(Debug, Error)]
6pub enum HasherError {
7    #[error("Integer overflow, value too large")]
8    IntegerOverflow,
9    #[error("Poseidon hasher error: {0}")]
10    Poseidon(#[from] PoseidonError),
11    #[error("Poseidon syscall error: {0}")]
12    PoseidonSyscall(#[from] PoseidonSyscallError),
13    #[error("Unknown Solana syscall error: {0}")]
14    UnknownSolanaSyscall(u64),
15    #[error("Input length {0} exceeds maximum of {1} bytes")]
16    InputTooLarge(usize, usize),
17}
18
19// NOTE(vadorovsky): Unfortunately, we need to do it by hand. `num_derive::ToPrimitive`
20// doesn't support data-carrying enums.
21impl From<HasherError> for u32 {
22    fn from(e: HasherError) -> u32 {
23        match e {
24            HasherError::IntegerOverflow => 7001,
25            HasherError::Poseidon(_) => 7002,
26            HasherError::PoseidonSyscall(e) => (u64::from(e)).try_into().unwrap_or(7003),
27            HasherError::UnknownSolanaSyscall(e) => e.try_into().unwrap_or(7004),
28            HasherError::InputTooLarge(_, _) => 7005,
29        }
30    }
31}
32
33impl From<HasherError> for solana_program::program_error::ProgramError {
34    fn from(e: HasherError) -> Self {
35        solana_program::program_error::ProgramError::Custom(e.into())
36    }
37}
light_hasher/errors.rs

light_hasher/
errors.rs
