Bogdan-Ștefan Neacşu
9ed013b418
* Add library to communicate with ledger * Update changelog * Install libudev-dev on linux
43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use crate::error::LedgerError;
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use crate::helpers::answer_bytes;
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use ledger_transport::APDUAnswer;
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/// Version and status data of the device.
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pub struct VersionResponse {
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/// Activation status of test mode.
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pub test_mode: bool,
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/// Major part of Cosmos application version.
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pub major: u8,
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/// Minor part of Cosmos application version.
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pub minor: u8,
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/// Patch part of Cosmos application version.
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pub patch: u8,
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/// PIN locked status.
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pub device_locked: bool,
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}
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impl TryFrom<APDUAnswer<Vec<u8>>> for VersionResponse {
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type Error = LedgerError;
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fn try_from(answer: APDUAnswer<Vec<u8>>) -> Result<Self, Self::Error> {
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let bytes = answer_bytes(&answer)?;
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if bytes.len() != 5 {
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return Err(Self::Error::InvalidAnswerLength {
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expected: 5,
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received: bytes.len(),
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});
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}
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Ok(VersionResponse {
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test_mode: bytes[0] != 0,
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major: bytes[1],
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minor: bytes[2],
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patch: bytes[3],
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device_locked: bytes[4] != 0,
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})
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}
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}
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