pallas/pallas-traverse/src/lib.rs
2022-06-16 10:46:15 -03:00

91 lines
2 KiB
Rust

//! Utilities to traverse over multi-era block data
use std::borrow::Cow;
use std::fmt::Display;
use pallas_crypto::hash::Hash;
use pallas_primitives::{alonzo, byron};
use thiserror::Error;
pub mod block;
pub mod cert;
pub mod era;
pub mod input;
pub mod output;
pub mod probe;
mod support;
pub mod tx;
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
#[non_exhaustive]
pub enum Era {
Byron,
Shelley,
Allegra, // time-locks
Mary, // multi-assets
Alonzo, // smart-contracts
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
#[non_exhaustive]
pub enum Feature {
TimeLocks,
MultiAssets,
Staking,
SmartContracts,
}
#[derive(Debug, Clone)]
#[non_exhaustive]
pub enum MultiEraBlock<'b> {
EpochBoundary(Box<Cow<'b, byron::EbBlock>>),
AlonzoCompatible(Box<Cow<'b, alonzo::MintedBlock<'b>>>, Era),
Byron(Box<Cow<'b, byron::MintedBlock<'b>>>),
}
#[derive(Debug)]
#[non_exhaustive]
pub enum MultiEraTx<'b> {
AlonzoCompatible(Box<Cow<'b, alonzo::MintedTx<'b>>>),
Byron(Box<Cow<'b, byron::MintedTxPayload<'b>>>),
}
#[derive(Debug)]
#[non_exhaustive]
pub enum MultiEraOutput<'b> {
Byron(Box<Cow<'b, byron::TxOut>>),
AlonzoCompatible(Box<Cow<'b, alonzo::TransactionOutput>>),
}
#[derive(Debug)]
#[non_exhaustive]
pub enum MultiEraInput<'b> {
Byron(Box<Cow<'b, byron::TxIn>>),
AlonzoCompatible(Box<Cow<'b, alonzo::TransactionInput>>),
}
pub enum MultiEraCert<'b> {
NotApplicable,
AlonzoCompatible(Box<Cow<'b, alonzo::Certificate>>),
}
pub struct OutputRef<'a>(Cow<'a, Hash<32>>, u64);
#[derive(Debug, Error)]
pub enum Error {
#[error("Invalid CBOR structure: {0}")]
InvalidCbor(String),
#[error("Unknown CBOR structure: {0}")]
UnknownCbor(String),
}
impl Error {
pub fn invalid_cbor(error: impl Display) -> Self {
Error::InvalidCbor(format!("{}", error))
}
pub fn unknown_cbor(bytes: &[u8]) -> Self {
Error::UnknownCbor(hex::encode(bytes))
}
}