Jędrzej Stuczyński
c218cba96c
* Setting default 'id' if not provided * Modified 'NymConfig' to always require 'id' * moved creation of nym-api directories away from 'override_config' * missing optional id usage in nym-connect * changelog * Removed default value for '--id' argument
106 lines
3.3 KiB
Rust
106 lines
3.3 KiB
Rust
// Copyright 2020-2023 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use std::convert::TryFrom;
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use crate::commands::validate_bech32_address_or_exit;
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use crate::config::{persistence::pathfinder::MixNodePathfinder, Config};
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use crate::node::MixNode;
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use anyhow::{anyhow, Result};
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use clap::{ArgGroup, Args};
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use config::NymConfig;
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use crypto::asymmetric::identity;
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use log::error;
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use validator_client::nyxd;
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use super::version_check;
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#[derive(Args, Clone)]
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#[clap(group(ArgGroup::new("sign").required(true).args(&["wallet_address", "text"])))]
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pub(crate) struct Sign {
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/// The id of the mixnode you want to sign with
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#[clap(long)]
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id: String,
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/// Signs your blockchain address with your identity key
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// the alias here is included for backwards compatibility (1.1.4 and before)
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#[clap(long, alias = "address")]
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wallet_address: Option<nyxd::AccountId>,
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/// Signs an arbitrary piece of text with your identity key
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#[clap(long)]
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text: Option<String>,
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}
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enum SignedTarget {
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Text(String),
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Address(nyxd::AccountId),
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}
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impl TryFrom<Sign> for SignedTarget {
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type Error = anyhow::Error;
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fn try_from(args: Sign) -> Result<Self, Self::Error> {
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if let Some(text) = args.text {
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Ok(SignedTarget::Text(text))
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} else if let Some(address) = args.wallet_address {
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Ok(SignedTarget::Address(address))
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} else {
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// This is unreachable, and hopefully clap will support it explicitly by outputting an
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// enum from the ArgGroup in the future.
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// See: https://github.com/clap-rs/clap/issues/2621
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Err(anyhow!("Error: missing signed target flag"))
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}
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}
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}
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fn print_signed_address(private_key: &identity::PrivateKey, wallet_address: nyxd::AccountId) {
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// perform extra validation to ensure we have correct prefix
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validate_bech32_address_or_exit(wallet_address.as_ref());
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let signature = private_key.sign_text(wallet_address.as_ref());
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println!("The base58-encoded signature on '{wallet_address}' is: {signature}",);
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}
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fn print_signed_text(private_key: &identity::PrivateKey, text: &str) {
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println!("Signing the text {text:?} using your mixnode's Ed25519 identity key...");
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let signature = private_key.sign_text(text);
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println!("The base58-encoded signature on '{text}' is: {signature}");
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}
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pub(crate) fn execute(args: &Sign) {
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let config = match Config::load_from_file(&args.id) {
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Ok(cfg) => cfg,
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Err(err) => {
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error!(
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"Failed to load config for {}. Are you sure you have run `init` before? (Error was: {})",
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args.id,
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err,
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);
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return;
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}
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};
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if !version_check(&config) {
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error!("Failed the local version check");
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return;
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}
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let signed_target = match SignedTarget::try_from(args.clone()) {
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Ok(s) => s,
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Err(err) => {
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error!("{err}");
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return;
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}
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};
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let pathfinder = MixNodePathfinder::new_from_config(&config);
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let identity_keypair = MixNode::load_identity_keys(&pathfinder);
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match signed_target {
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SignedTarget::Text(text) => print_signed_text(identity_keypair.private_key(), &text),
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SignedTarget::Address(addr) => print_signed_address(identity_keypair.private_key(), addr),
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}
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}
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