miden-crypto/src/merkle/mmr/error.rs

27 lines
883 B
Rust

use alloc::string::String;
use thiserror::Error;
use crate::merkle::MerkleError;
#[derive(Debug, Error)]
pub enum MmrError {
#[error("mmr does not contain position {0}")]
PositionNotFound(usize),
#[error("mmr peaks are invalid: {0}")]
InvalidPeaks(String),
#[error(
"mmr peak does not match the computed merkle root of the provided authentication path"
)]
PeakPathMismatch,
#[error("requested peak index is {peak_idx} but the number of peaks is {peaks_len}")]
PeakOutOfBounds { peak_idx: usize, peaks_len: usize },
#[error("invalid mmr update")]
InvalidUpdate,
#[error("mmr does not contain a peak with depth {0}")]
UnknownPeak(u8),
#[error("invalid merkle path")]
InvalidMerklePath(#[source] MerkleError),
#[error("merkle root computation failed")]
MerkleRootComputationFailed(#[source] MerkleError),
}