openethereum/parity/account_utils.rs

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// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::sync::Arc;
use dir::Directories;
use ethereum_types::Address;
use ethkey::Password;
use params::{SpecType, AccountsConfig};
#[cfg(not(feature = "accounts"))]
mod accounts {
use super::*;
/// Dummy AccountProvider
pub struct AccountProvider;
impl ::ethcore::miner::LocalAccounts for AccountProvider {
fn is_local(&self, _address: &Address) -> bool {
false
}
}
pub fn prepare_account_provider(_spec: &SpecType, _dirs: &Directories, _data_dir: &str, _cfg: AccountsConfig, _passwords: &[Password]) -> Result<AccountProvider, String> {
warn!("Note: Your instance of Parity Ethereum is running without account support. Some CLI options are ignored.");
Ok(AccountProvider)
}
pub fn miner_local_accounts(_: Arc<AccountProvider>) -> AccountProvider {
AccountProvider
}
pub fn miner_author(_spec: &SpecType, _dirs: &Directories, _account_provider: &Arc<AccountProvider>, _engine_signer: Address, _passwords: &[Password]) -> Result<Option<::ethcore::miner::Author>, String> {
Ok(None)
}
pub fn private_tx_signer(_account_provider: Arc<AccountProvider>, _passwords: &[Password]) -> Result<Arc<::ethcore_private_tx::Signer>, String> {
Ok(Arc::new(::ethcore_private_tx::DummySigner))
}
pub fn accounts_list(_account_provider: Arc<AccountProvider>) -> Arc<Fn() -> Vec<Address> + Send + Sync> {
Arc::new(|| vec![])
}
}
#[cfg(feature = "accounts")]
mod accounts {
use super::*;
use upgrade::upgrade_key_location;
Upgrade ethereum types (#10670) * cargo upgrade "ethereum-types" --all --allow-prerelease * [ethash] fix compilation errors * [ethkey] fix compilation errors * [journaldb] fix compilation errors * [dir] fix compilation errors * [ethabi] update to 0.7 * wip * [eip-712] fix compilation errors * [ethjson] fix compilation errors * [Cargo.toml] add TODO to remove patches * [ethstore] fix compilation errors * use patched keccak-hash with new primitive-types * wip * [ethcore-network-devp2p] fix compilation errors * [vm] fix compilation errors * [common-types, evm, wasm] fix compilation errors * [ethcore-db] Require AsRef instead of Deref for keys * [ethcore-blockchain] fix some compilation errors * [blooms-db] fix compilation errors Thanks a lot @dvdplm :) * we don't need no rlp ethereum feature * [ethcore] fix some compilation errors * [parity-ipfs-api] fix compilation error * [ethcore-light] fix compilation errors * [Cargo.lock] update parity-common * [ethcore-private-tx] fix some compilation errors * wip * [ethcore-private-tx] fix compilation errors * [parity-updater] fix compilation errors * [parity-rpc] fix compilation errors * [parity-bin] fix other compilation errors * update to new ethereum-types * update keccak-hash * [fastmap] fix compilation in tests * [blooms-db] fix compilation in tests * [common-types] fix compilation in tests * [triehash-ethereum] fix compilation in tests * [ethkey] fix compilation in tests * [pwasm-run-test] fix compilation errors * [wasm] fix compilation errors * [ethjson] fix compilation in tests * [eip-712] fix compilation in tests * [ethcore-blockchain] fix compilation in tests * [ethstore] fix compilation in tests * [ethstore-accounts] fix compilation in tests * [parity-hash-fetch] fix compilation in tests * [parity-whisper] fix compilation in tests * [ethcore-miner] fix compilation in tests * [ethcore-network-devp2p] fix compilation in tests * [*] upgrade rand to 0.6 * [evm] get rid of num-bigint conversions * [ethcore] downgrade trie-standardmap and criterion * [ethcore] fix some warnings * [ethcore] fix compilation in tests * [evmbin] fix compilation in tests * [updater] fix compilation in tests * [ethash] fix compilation in tests * [ethcore-secretstore] fix compilation in tests * [ethcore-sync] fix compilation in tests * [parity-rpc] fix compilation in tests * [ethcore] finally fix compilation in tests FUCK YEAH!!! * [ethstore] lazy_static is unused * [ethcore] fix test * fix up bad merge * [Cargo.toml] remove unused patches * [*] replace some git dependencies with crates.io * [Cargo.toml] remove unused lazy_static * [*] clean up * [ethcore] fix transaction_filter_deprecated test * [private-tx] fix serialization tests * fix more serialization tests * [ethkey] fix smoky test * [rpc] fix tests, please? * [ethcore] remove commented out code * Apply suggestions from code review Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com> * [ethstore] remove unused dev-dependency * [ethcore] remove resolved TODO * [*] resolve keccak-hash TODO * [*] s/Address::default()/Address::zero() * [rpc] remove Subscribers::new_test * [rpc] remove EthPubSubClient::new_test * [ethcore] use trie-standardmap from crates.io * [dir] fix db_root_path * [ethcore] simplify snapshot::tests::helpers::fill_storage * Apply suggestions from code review Co-Authored-By: David <dvdplm@gmail.com> * [ethcore-secretstore] resolve TODO in serialization * [ethcore-network-devp2p] resolve TODO in save_key * [Cargo.lock] update triehash * [*] use ethabi from crates.io * [ethkey] use secp256k1 from master branch * [Cargo.lock] update eth-secp256k1
2019-06-03 15:36:21 +02:00
use ethereum_types::H160;
use std::str::FromStr;
pub use accounts::AccountProvider;
/// Pops along with error messages when a password is missing or invalid.
const VERIFY_PASSWORD_HINT: &str = "Make sure valid password is present in files passed using `--password` or in the configuration file.";
/// Initialize account provider
pub fn prepare_account_provider(spec: &SpecType, dirs: &Directories, data_dir: &str, cfg: AccountsConfig, passwords: &[Password]) -> Result<AccountProvider, String> {
use ethstore::EthStore;
use ethstore::accounts_dir::RootDiskDirectory;
use accounts::AccountProviderSettings;
let path = dirs.keys_path(data_dir);
upgrade_key_location(&dirs.legacy_keys_path(cfg.testnet), &path);
let dir = Box::new(RootDiskDirectory::create(&path).map_err(|e| format!("Could not open keys directory: {}", e))?);
let account_settings = AccountProviderSettings {
unlock_keep_secret: cfg.enable_fast_unlock,
blacklisted_accounts: match *spec {
SpecType::Morden | SpecType::Ropsten | SpecType::Kovan | SpecType::Sokol | SpecType::Dev => vec![],
_ => vec![
Upgrade ethereum types (#10670) * cargo upgrade "ethereum-types" --all --allow-prerelease * [ethash] fix compilation errors * [ethkey] fix compilation errors * [journaldb] fix compilation errors * [dir] fix compilation errors * [ethabi] update to 0.7 * wip * [eip-712] fix compilation errors * [ethjson] fix compilation errors * [Cargo.toml] add TODO to remove patches * [ethstore] fix compilation errors * use patched keccak-hash with new primitive-types * wip * [ethcore-network-devp2p] fix compilation errors * [vm] fix compilation errors * [common-types, evm, wasm] fix compilation errors * [ethcore-db] Require AsRef instead of Deref for keys * [ethcore-blockchain] fix some compilation errors * [blooms-db] fix compilation errors Thanks a lot @dvdplm :) * we don't need no rlp ethereum feature * [ethcore] fix some compilation errors * [parity-ipfs-api] fix compilation error * [ethcore-light] fix compilation errors * [Cargo.lock] update parity-common * [ethcore-private-tx] fix some compilation errors * wip * [ethcore-private-tx] fix compilation errors * [parity-updater] fix compilation errors * [parity-rpc] fix compilation errors * [parity-bin] fix other compilation errors * update to new ethereum-types * update keccak-hash * [fastmap] fix compilation in tests * [blooms-db] fix compilation in tests * [common-types] fix compilation in tests * [triehash-ethereum] fix compilation in tests * [ethkey] fix compilation in tests * [pwasm-run-test] fix compilation errors * [wasm] fix compilation errors * [ethjson] fix compilation in tests * [eip-712] fix compilation in tests * [ethcore-blockchain] fix compilation in tests * [ethstore] fix compilation in tests * [ethstore-accounts] fix compilation in tests * [parity-hash-fetch] fix compilation in tests * [parity-whisper] fix compilation in tests * [ethcore-miner] fix compilation in tests * [ethcore-network-devp2p] fix compilation in tests * [*] upgrade rand to 0.6 * [evm] get rid of num-bigint conversions * [ethcore] downgrade trie-standardmap and criterion * [ethcore] fix some warnings * [ethcore] fix compilation in tests * [evmbin] fix compilation in tests * [updater] fix compilation in tests * [ethash] fix compilation in tests * [ethcore-secretstore] fix compilation in tests * [ethcore-sync] fix compilation in tests * [parity-rpc] fix compilation in tests * [ethcore] finally fix compilation in tests FUCK YEAH!!! * [ethstore] lazy_static is unused * [ethcore] fix test * fix up bad merge * [Cargo.toml] remove unused patches * [*] replace some git dependencies with crates.io * [Cargo.toml] remove unused lazy_static * [*] clean up * [ethcore] fix transaction_filter_deprecated test * [private-tx] fix serialization tests * fix more serialization tests * [ethkey] fix smoky test * [rpc] fix tests, please? * [ethcore] remove commented out code * Apply suggestions from code review Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com> * [ethstore] remove unused dev-dependency * [ethcore] remove resolved TODO * [*] resolve keccak-hash TODO * [*] s/Address::default()/Address::zero() * [rpc] remove Subscribers::new_test * [rpc] remove EthPubSubClient::new_test * [ethcore] use trie-standardmap from crates.io * [dir] fix db_root_path * [ethcore] simplify snapshot::tests::helpers::fill_storage * Apply suggestions from code review Co-Authored-By: David <dvdplm@gmail.com> * [ethcore-secretstore] resolve TODO in serialization * [ethcore-network-devp2p] resolve TODO in save_key * [Cargo.lock] update triehash * [*] use ethabi from crates.io * [ethkey] use secp256k1 from master branch * [Cargo.lock] update eth-secp256k1
2019-06-03 15:36:21 +02:00
H160::from_str("00a329c0648769a73afac7f9381e08fb43dbea72").expect("the string is valid hex; qed"),
],
},
};
let ethstore = EthStore::open_with_iterations(dir, cfg.iterations).map_err(|e| format!("Could not open keys directory: {}", e))?;
if cfg.refresh_time > 0 {
ethstore.set_refresh_time(::std::time::Duration::from_secs(cfg.refresh_time));
}
let account_provider = AccountProvider::new(
Box::new(ethstore),
account_settings,
);
// Add development account if running dev chain:
if let SpecType::Dev = *spec {
insert_dev_account(&account_provider);
}
for a in cfg.unlocked_accounts {
// Check if the account exists
if !account_provider.has_account(a) {
return Err(format!("Account {} not found for the current chain. {}", a, build_create_account_hint(spec, &dirs.keys)));
}
// Check if any passwords have been read from the password file(s)
if passwords.is_empty() {
return Err(format!("No password found to unlock account {}. {}", a, VERIFY_PASSWORD_HINT));
}
if !passwords.iter().any(|p| account_provider.unlock_account_permanently(a, (*p).clone()).is_ok()) {
return Err(format!("No valid password to unlock account {}. {}", a, VERIFY_PASSWORD_HINT));
}
}
Ok(account_provider)
}
pub struct LocalAccounts(Arc<AccountProvider>);
impl ::ethcore::miner::LocalAccounts for LocalAccounts {
fn is_local(&self, address: &Address) -> bool {
self.0.has_account(*address)
}
}
pub fn miner_local_accounts(account_provider: Arc<AccountProvider>) -> LocalAccounts {
LocalAccounts(account_provider)
}
pub fn miner_author(spec: &SpecType, dirs: &Directories, account_provider: &Arc<AccountProvider>, engine_signer: Address, passwords: &[Password]) -> Result<Option<::ethcore::miner::Author>, String> {
Extract the Engine trait (#10958) * Add client-traits crate Move the BlockInfo trait to new crate * New crate `machine` Contains code extracted from ethcore that defines `Machine`, `Externalities` and other execution related code. * Use new machine and client-traits crates in ethcore * Use new crates machine and client-traits instead of ethcore where appropriate * Fix tests * Don't re-export so many types from ethcore::client * Fixing more fallout from removing re-export * fix test * More fallout from not re-exporting types * Add some docs * cleanup * import the macro edition style * Tweak docs * Add missing import * remove unused ethabi_derive imports * Use latest ethabi-contract * Move many traits from ethcore/client/traits to client-traits crate Initial version of extracted Engine trait * Move snapshot related traits to the engine crate (eew) * Move a few snapshot related types to common_types Cleanup Executed as exported from machine crate * fix warning * Gradually introduce new engine crate: snapshot * ethcore typechecks with new engine crate * Sort out types outside ethcore * Add an EpochVerifier to ethash and use that in Engine.epoch_verifier() Cleanup * Document pub members * Sort out tests Sort out default impls for EpochVerifier * Add test-helpers feature and move EngineSigner impl to the right place * Sort out tests * Sort out tests and refactor verification types * Fix missing traits * More missing traits Fix Histogram * Fix tests and cleanup * cleanup * Put back needed logger import * Don't rexport common_types from ethcore/src/client Don't export ethcore::client::* * Remove files no longer used Use types from the engine crate Explicit exports from engine::engine * Get rid of itertools * Move a few more traits from ethcore to client-traits: BlockChainReset, ScheduleInfo, StateClient * Move ProvingBlockChainClient to client-traits * Don't re-export ForkChoice and Transition from ethcore * Address grumbles: sort imports, remove commented out code * Fix merge resolution error * merge failure
2019-08-15 17:59:22 +02:00
use engine::signer::EngineSigner;
// Check if engine signer exists
if !account_provider.has_account(engine_signer) {
return Err(format!("Consensus signer account not found for the current chain. {}", build_create_account_hint(spec, &dirs.keys)));
}
// Check if any passwords have been read from the password file(s)
if passwords.is_empty() {
return Err(format!("No password found for the consensus signer {}. {}", engine_signer, VERIFY_PASSWORD_HINT));
}
let mut author = None;
for password in passwords {
let signer = parity_rpc::signer::EngineSigner::new(
account_provider.clone(),
engine_signer,
password.clone(),
);
if signer.sign(Default::default()).is_ok() {
author = Some(::ethcore::miner::Author::Sealer(Box::new(signer)));
}
}
if author.is_none() {
return Err(format!("No valid password for the consensus signer {}. {}", engine_signer, VERIFY_PASSWORD_HINT));
}
Ok(author)
}
mod private_tx {
use super::*;
use ethkey::{Signature, Message};
use ethcore_private_tx::{Error};
pub struct AccountSigner {
pub accounts: Arc<AccountProvider>,
pub passwords: Vec<Password>,
}
impl ::ethcore_private_tx::Signer for AccountSigner {
fn decrypt(&self, account: Address, shared_mac: &[u8], payload: &[u8]) -> Result<Vec<u8>, Error> {
let password = self.find_account_password(&account);
Ok(self.accounts.decrypt(account, password, shared_mac, payload).map_err(|e| e.to_string())?)
}
fn sign(&self, account: Address, hash: Message) -> Result<Signature, Error> {
let password = self.find_account_password(&account);
Ok(self.accounts.sign(account, password, hash).map_err(|e| e.to_string())?)
}
}
impl AccountSigner {
/// Try to unlock account using stored password, return found password if any
fn find_account_password(&self, account: &Address) -> Option<Password> {
for password in &self.passwords {
if let Ok(true) = self.accounts.test_password(account, password) {
return Some(password.clone());
}
}
None
}
}
}
pub fn private_tx_signer(accounts: Arc<AccountProvider>, passwords: &[Password]) -> Result<Arc<::ethcore_private_tx::Signer>, String> {
Ok(Arc::new(self::private_tx::AccountSigner {
accounts,
passwords: passwords.to_vec(),
}))
}
pub fn accounts_list(account_provider: Arc<AccountProvider>) -> Arc<Fn() -> Vec<Address> + Send + Sync> {
Arc::new(move || account_provider.accounts().unwrap_or_default())
}
fn insert_dev_account(account_provider: &AccountProvider) {
let secret: ethkey::Secret = "4d5db4107d237df6a3d58ee5f70ae63d73d7658d4026f2eefd2f204c81682cb7".into();
let dev_account = ethkey::KeyPair::from_secret(secret.clone()).expect("Valid secret produces valid key;qed");
if !account_provider.has_account(dev_account.address()) {
match account_provider.insert_account(secret, &Password::from(String::new())) {
Err(e) => warn!("Unable to add development account: {}", e),
Ok(address) => {
let _ = account_provider.set_account_name(address.clone(), "Development Account".into());
let _ = account_provider.set_account_meta(address, ::serde_json::to_string(&(vec![
("description", "Never use this account outside of development chain!"),
("passwordHint","Password is empty string"),
].into_iter().collect::<::std::collections::HashMap<_,_>>())).expect("Serialization of hashmap does not fail."));
},
}
}
}
// Construct an error `String` with an adaptive hint on how to create an account.
fn build_create_account_hint(spec: &SpecType, keys: &str) -> String {
format!("You can create an account via RPC, UI or `parity account new --chain {} --keys-path {}`.", spec, keys)
}
}
pub use self::accounts::{
AccountProvider,
prepare_account_provider,
miner_local_accounts,
miner_author,
private_tx_signer,
accounts_list,
};