260 lines
9.1 KiB
Rust
260 lines
9.1 KiB
Rust
// Copyright 2015-2018 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::Arc;
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use dir::Directories;
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use ethereum_types::Address;
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use ethkey::Password;
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use params::{AccountsConfig, SpecType};
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#[cfg(not(feature = "accounts"))]
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mod accounts {
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use super::*;
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/// Dummy AccountProvider
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pub struct AccountProvider;
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impl ::ethcore::miner::LocalAccounts for AccountProvider {
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fn is_local(&self, _address: &Address) -> bool {
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false
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}
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}
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pub fn prepare_account_provider(
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_spec: &SpecType,
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_dirs: &Directories,
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_data_dir: &str,
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_cfg: AccountsConfig,
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_passwords: &[Password],
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) -> Result<AccountProvider, String> {
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warn!("Note: Your instance of Parity Ethereum is running without account support. Some CLI options are ignored.");
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Ok(AccountProvider)
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}
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pub fn miner_local_accounts(_: Arc<AccountProvider>) -> AccountProvider {
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AccountProvider
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}
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pub fn miner_author(
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_spec: &SpecType,
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_dirs: &Directories,
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_account_provider: &Arc<AccountProvider>,
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_engine_signer: Address,
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_passwords: &[Password],
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) -> Result<Option<::ethcore::miner::Author>, String> {
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Ok(None)
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}
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pub fn accounts_list(
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_account_provider: Arc<AccountProvider>,
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) -> Arc<dyn Fn() -> Vec<Address> + Send + Sync> {
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Arc::new(|| vec![])
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}
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}
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#[cfg(feature = "accounts")]
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mod accounts {
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use super::*;
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use upgrade::upgrade_key_location;
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pub use accounts::AccountProvider;
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/// Pops along with error messages when a password is missing or invalid.
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const VERIFY_PASSWORD_HINT: &str = "Make sure valid password is present in files passed using `--password` or in the configuration file.";
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/// Initialize account provider
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pub fn prepare_account_provider(
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spec: &SpecType,
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dirs: &Directories,
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data_dir: &str,
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cfg: AccountsConfig,
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passwords: &[Password],
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) -> Result<AccountProvider, String> {
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use accounts::AccountProviderSettings;
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use ethstore::{accounts_dir::RootDiskDirectory, EthStore};
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let path = dirs.keys_path(data_dir);
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upgrade_key_location(&dirs.legacy_keys_path(cfg.testnet), &path);
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let dir = Box::new(
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RootDiskDirectory::create(&path)
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.map_err(|e| format!("Could not open keys directory: {}", e))?,
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);
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let account_settings = AccountProviderSettings {
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unlock_keep_secret: cfg.enable_fast_unlock,
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blacklisted_accounts: match *spec {
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SpecType::Morden
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| SpecType::Mordor
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| SpecType::Ropsten
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| SpecType::Kovan
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| SpecType::Goerli
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| SpecType::Kotti
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| SpecType::Sokol
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| SpecType::Dev => vec![],
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_ => vec!["00a329c0648769a73afac7f9381e08fb43dbea72".into()],
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},
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};
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let ethstore = EthStore::open_with_iterations(dir, cfg.iterations)
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.map_err(|e| format!("Could not open keys directory: {}", e))?;
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if cfg.refresh_time > 0 {
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ethstore.set_refresh_time(::std::time::Duration::from_secs(cfg.refresh_time));
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}
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let account_provider = AccountProvider::new(Box::new(ethstore), account_settings);
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// Add development account if running dev chain:
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if let SpecType::Dev = *spec {
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insert_dev_account(&account_provider);
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}
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for a in cfg.unlocked_accounts {
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// Check if the account exists
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if !account_provider.has_account(a) {
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return Err(format!(
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"Account {} not found for the current chain. {}",
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a,
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build_create_account_hint(spec, &dirs.keys)
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));
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}
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// Check if any passwords have been read from the password file(s)
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if passwords.is_empty() {
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return Err(format!(
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"No password found to unlock account {}. {}",
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a, VERIFY_PASSWORD_HINT
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));
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}
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if !passwords.iter().any(|p| {
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account_provider
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.unlock_account_permanently(a, (*p).clone())
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.is_ok()
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}) {
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return Err(format!(
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"No valid password to unlock account {}. {}",
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a, VERIFY_PASSWORD_HINT
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));
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}
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}
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Ok(account_provider)
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}
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pub struct LocalAccounts(Arc<AccountProvider>);
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impl ::ethcore::miner::LocalAccounts for LocalAccounts {
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fn is_local(&self, address: &Address) -> bool {
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self.0.has_account(*address)
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}
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}
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pub fn miner_local_accounts(account_provider: Arc<AccountProvider>) -> LocalAccounts {
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LocalAccounts(account_provider)
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}
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pub fn miner_author(
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spec: &SpecType,
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dirs: &Directories,
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account_provider: &Arc<AccountProvider>,
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engine_signer: Address,
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passwords: &[Password],
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) -> Result<Option<::ethcore::miner::Author>, String> {
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use ethcore::engines::EngineSigner;
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// Check if engine signer exists
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if !account_provider.has_account(engine_signer) {
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return Err(format!(
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"Consensus signer account not found for the current chain. {}",
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build_create_account_hint(spec, &dirs.keys)
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));
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}
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// Check if any passwords have been read from the password file(s)
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if passwords.is_empty() {
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return Err(format!(
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"No password found for the consensus signer {}. {}",
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engine_signer, VERIFY_PASSWORD_HINT
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));
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}
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let mut author = None;
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for password in passwords {
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let signer = parity_rpc::signer::EngineSigner::new(
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account_provider.clone(),
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engine_signer,
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password.clone(),
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);
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if signer.sign(Default::default()).is_ok() {
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author = Some(::ethcore::miner::Author::Sealer(Box::new(signer)));
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}
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}
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if author.is_none() {
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return Err(format!(
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"No valid password for the consensus signer {}. {}",
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engine_signer, VERIFY_PASSWORD_HINT
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));
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}
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Ok(author)
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}
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pub fn accounts_list(
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account_provider: Arc<AccountProvider>,
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) -> Arc<dyn Fn() -> Vec<Address> + Send + Sync> {
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Arc::new(move || account_provider.accounts().unwrap_or_default())
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}
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fn insert_dev_account(account_provider: &AccountProvider) {
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let secret: ethkey::Secret =
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"4d5db4107d237df6a3d58ee5f70ae63d73d7658d4026f2eefd2f204c81682cb7".into();
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let dev_account = ethkey::KeyPair::from_secret(secret.clone())
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.expect("Valid secret produces valid key;qed");
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if !account_provider.has_account(dev_account.address()) {
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match account_provider.insert_account(secret, &Password::from(String::new())) {
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Err(e) => warn!("Unable to add development account: {}", e),
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Ok(address) => {
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let _ = account_provider
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.set_account_name(address.clone(), "Development Account".into());
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let _ = account_provider.set_account_meta(
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address,
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::serde_json::to_string(
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&(vec![
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(
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"description",
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"Never use this account outside of development chain!",
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),
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("passwordHint", "Password is empty string"),
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]
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.into_iter()
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.collect::<::std::collections::HashMap<_, _>>()),
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)
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.expect("Serialization of hashmap does not fail."),
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);
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}
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}
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}
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}
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// Construct an error `String` with an adaptive hint on how to create an account.
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fn build_create_account_hint(spec: &SpecType, keys: &str) -> String {
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format!("You can create an account via RPC, UI or `parity account new --chain {} --keys-path {}`.", spec, keys)
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}
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}
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pub use self::accounts::{
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accounts_list, miner_author, miner_local_accounts, prepare_account_provider, AccountProvider,
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};
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