stoffelcrypto 0.1.0

Asynchronous HoneyBadgerMPC protocols, preprocessing, and arithmetic for Stoffel.
Documentation 
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pub mod rbc;
pub mod rbc_store;
pub mod utils;

use bincode::ErrorKind;
use stoffelnet::network_utils::NetworkError;
use thiserror::Error;

pub const MAX_PAYLOAD_SIZE: usize = 10 * 1024 * 1024; // 10 MiB, matches network layer limit

#[derive(Error, Debug)]
pub enum ShardError {
    #[error("Invalid shard configuration: {0}")]
    Config(String),

    #[error("Operation failed: {0}")]
    Failed(String),

    #[error("Missing shards")]
    Incomplete,

    #[error("Merkle error: {0}")]
    Merkle(String),

    #[error("Index {0} is out of bounds (max {1})")]
    OutOfBounds(usize, usize),
}

#[derive(Debug, Error)]
pub enum RbcError {
    #[error("Invalid threshold t={0} for n={1}, must satisfy t < ceil(n / 3)")]
    InvalidThreshold(usize, usize),

    #[error("Unknown Bracha message type: {0}")]
    UnknownMsgType(String),

    #[error("Message send failed")]
    SendFailed,

    #[error("Internal error: {0}")]
    Internal(String),

    #[error("there was an error in the network: {0:?}")]
    NetworkError(#[from] NetworkError),

    #[error("error while serializing the object into bytes: {0:?}")]
    SerializationError(#[from] Box<ErrorKind>),

    #[error("inner error: {0}")]
    ShardError(#[from] ShardError),

    #[error("error sending the output of the rbc execution")]
    SendError,
}