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trezor-firmware/rust/trezor-client/src/error.rs

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2023-06-05 05:50:39 +00:00
//! # Error Handling
use crate::{client::InteractionType, protos, transport::error::Error as TransportError};
/// Trezor result type. Aliased to [`std::result::Result`] with the error type
/// set to [`Error`].
pub type Result<T, E = Error> = std::result::Result<T, E>;
/// Trezor error.
#[derive(Debug, thiserror::Error)]
pub enum Error {
/// Less than one device was plugged in.
#[error("Trezor device not found")]
NoDeviceFound,
/// More than one device was plugged in.
#[error("multiple Trezor devices found")]
DeviceNotUnique,
/// The device returned an invalid signature.
#[error("device returned invalid signature")]
MalformedSignature,
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/// Transport error connecting to device.
#[error("transport connect: {0}")]
TransportConnect(#[source] TransportError),
/// Transport error while beginning a session.
#[error("transport beginning session: {0}")]
TransportBeginSession(#[source] TransportError),
/// Transport error while ending a session.
#[error("transport ending session: {0}")]
TransportEndSession(#[source] TransportError),
/// Transport error while sending a message.
#[error("transport sending message: {0}")]
TransportSendMessage(#[source] TransportError),
/// Transport error while receiving a message.
#[error("transport receiving message: {0}")]
TransportReceiveMessage(#[source] TransportError),
/// Received an unexpected message type from the device.
#[error("received unexpected message type: {0:?}")]
UnexpectedMessageType(protos::MessageType), //TODO(stevenroose) type alias
/// Error reading or writing protobuf messages.
#[error(transparent)]
Protobuf(#[from] protobuf::Error),
/// A failure message was returned by the device.
#[error("failure received: code={:?} message=\"{}\"", .0.code(), .0.message())]
FailureResponse(protos::Failure),
/// An unexpected interaction request was returned by the device.
#[error("unexpected interaction request: {0:?}")]
UnexpectedInteractionRequest(InteractionType),
/// The given Bitcoin network is not supported.
#[error("given network is not supported")]
UnsupportedNetwork,
/// Provided entropy is not 32 bytes.
#[error("provided entropy is not 32 bytes")]
InvalidEntropy,
/// The device erenced a non-existing input or output index.
#[error("device referenced non-existing input or output index: {0}")]
TxRequestInvalidIndex(usize),
/// User provided invalid PSBT.
#[error("PSBT missing input tx: {0}")]
InvalidPsbt(String),
// bitcoin
/// Error in Base58 decoding
#[cfg(feature = "bitcoin")]
#[error(transparent)]
Base58(#[from] bitcoin::base58::Error),
/// The device erenced an unknown TXID.
#[cfg(feature = "bitcoin")]
#[error("device referenced unknown TXID: {0}")]
TxRequestUnknownTxid(bitcoin::hashes::sha256d::Hash),
/// The PSBT is missing the full tx for given input.
#[cfg(feature = "bitcoin")]
#[error("PSBT missing input tx: {0}")]
PsbtMissingInputTx(bitcoin::hashes::sha256d::Hash),
/// Device produced invalid TxRequest message.
#[cfg(feature = "bitcoin")]
#[error("malformed TxRequest: {0:?}")]
MalformedTxRequest(protos::TxRequest),
/// Error encoding/decoding a Bitcoin data structure.
#[cfg(feature = "bitcoin")]
#[error(transparent)]
BitcoinEncode(#[from] bitcoin::consensus::encode::Error),
/// Elliptic curve crypto error.
#[cfg(feature = "bitcoin")]
#[error(transparent)]
Secp256k1(#[from] bitcoin::secp256k1::Error),
/// Bip32 error.
#[cfg(feature = "bitcoin")]
#[error(transparent)]
Bip32(#[from] bitcoin::bip32::Error),
/// Address error.
#[cfg(feature = "bitcoin")]
#[error(transparent)]
Address(#[from] bitcoin::address::ParseError),
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}