Jędrzej Stuczyński
516561dcf9
* separated signing and nyxd-client features * updated cosmrs to the most recent version * using tendermint_rpc directly for the Client trait * fixed rest of the codebase * removed nyxd-client feature * export more types * clippy that seems to have been skipped in makefile
41 lines
1.2 KiB
Rust
41 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 bip32::{PublicKey, PublicKeyBytes};
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use ledger_transport::APDUAnswer;
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/// SECP256K1 address of the device.
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pub struct AddrSecp256k1Response {
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/// SECP256K1 public key.
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pub public_key: k256::PublicKey,
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/// String representation of the Cosmos address.
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pub address: String,
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}
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impl TryFrom<APDUAnswer<Vec<u8>>> for AddrSecp256k1Response {
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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() < 33 {
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return Err(Self::Error::InvalidAnswerLength {
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expected: 33,
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received: bytes.len(),
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});
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}
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let (pub_key, addr) = bytes.split_at(33);
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let public_key = PublicKey::from_bytes(
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PublicKeyBytes::try_from(pub_key).expect("Public key should be 33 bytes"),
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)?;
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let address = String::from_utf8(addr.to_vec()).unwrap();
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Ok(AddrSecp256k1Response {
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public_key,
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address,
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})
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}
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}
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