349 lines
12 KiB
Rust
349 lines
12 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Account management (personal) rpc implementation
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use std::sync::Arc;
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use accounts::AccountProvider;
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use bytes::Bytes;
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use eip_712::{hash_structured_data, EIP712};
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use ethereum_types::{Address, H160, H256, H520, U128};
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use ethkey::{public_to_address, recover, Signature};
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use types::transaction::{PendingTransaction, SignedTransaction};
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use jsonrpc_core::{
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futures::{future, Future},
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types::Value,
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BoxFuture, Result,
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};
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use v1::{
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helpers::{
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deprecated::{self, DeprecationNotice},
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dispatch::{self, eth_data_hash, Dispatcher, PostSign, SignWith, WithToken},
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eip191, errors,
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},
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metadata::Metadata,
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traits::Personal,
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types::{
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Bytes as RpcBytes, ConfirmationPayload as RpcConfirmationPayload,
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ConfirmationResponse as RpcConfirmationResponse, EIP191Version,
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RichRawTransaction as RpcRichRawTransaction, TransactionRequest,
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},
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};
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/// Account management (personal) rpc implementation.
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pub struct PersonalClient<D: Dispatcher> {
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accounts: Arc<AccountProvider>,
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dispatcher: D,
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allow_experimental_rpcs: bool,
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deprecation_notice: DeprecationNotice,
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}
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impl<D: Dispatcher> PersonalClient<D> {
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/// Creates new PersonalClient
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pub fn new(
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accounts: &Arc<AccountProvider>,
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dispatcher: D,
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allow_experimental_rpcs: bool,
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) -> Self {
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PersonalClient {
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accounts: accounts.clone(),
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dispatcher,
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allow_experimental_rpcs,
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deprecation_notice: DeprecationNotice::default(),
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}
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}
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}
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impl<D: Dispatcher + 'static> PersonalClient<D> {
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fn do_sign_transaction<P>(
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&self,
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_meta: Metadata,
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request: TransactionRequest,
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password: String,
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post_sign: P,
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) -> BoxFuture<P::Item>
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where
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P: PostSign + 'static,
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<P::Out as futures::future::IntoFuture>::Future: Send,
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{
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let dispatcher = self.dispatcher.clone();
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let accounts = self.accounts.clone();
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let default = match request.from.as_ref() {
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Some(account) => Ok(account.clone().into()),
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None => accounts
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.default_account()
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.map_err(|e| errors::account("Cannot find default account.", e)),
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};
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let default = match default {
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Ok(default) => default,
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Err(e) => return Box::new(future::err(e)),
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};
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let accounts = Arc::new(dispatch::Signer::new(accounts)) as _;
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Box::new(
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dispatcher
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.fill_optional_fields(request.into(), default, false)
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.and_then(move |filled| {
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dispatcher.sign(
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filled,
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&accounts,
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SignWith::Password(password.into()),
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post_sign,
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)
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}),
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)
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}
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}
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impl<D: Dispatcher + 'static> Personal for PersonalClient<D> {
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type Metadata = Metadata;
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fn accounts(&self) -> Result<Vec<H160>> {
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self.deprecation_notice
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.print("personal_accounts", deprecated::msgs::ACCOUNTS);
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let accounts = self
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.accounts
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.accounts()
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.map_err(|e| errors::account("Could not fetch accounts.", e))?;
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Ok(accounts.into_iter().map(Into::into).collect::<Vec<H160>>())
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}
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fn new_account(&self, pass: String) -> Result<H160> {
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self.deprecation_notice
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.print("personal_newAccount", deprecated::msgs::ACCOUNTS);
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self.accounts
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.new_account(&pass.into())
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.map(Into::into)
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.map_err(|e| errors::account("Could not create account.", e))
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}
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fn unlock_account(
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&self,
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account: H160,
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account_pass: String,
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duration: Option<U128>,
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) -> Result<bool> {
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self.deprecation_notice
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.print("personal_unlockAccount", deprecated::msgs::ACCOUNTS);
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let account: Address = account.into();
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let store = self.accounts.clone();
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let duration = match duration {
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None => None,
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Some(duration) => {
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let duration: U128 = duration.into();
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let v = duration.low_u64() as u32;
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if duration != v.into() {
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return Err(errors::invalid_params("Duration", "Invalid Number"));
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} else {
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Some(v)
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}
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}
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};
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let r = match duration {
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None => store.unlock_account_temporarily(account, account_pass.into()),
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_ => {
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return Err(errors::unsupported(
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"Time-unlocking is not supported when permanent unlock is disabled.",
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Some("Use personal_sendTransaction instead."),
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))
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}
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};
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match r {
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Ok(_) => Ok(true),
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Err(err) => Err(errors::account("Unable to unlock the account.", err)),
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}
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}
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fn sign(&self, data: RpcBytes, account: H160, password: String) -> BoxFuture<H520> {
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self.deprecation_notice
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.print("personal_sign", deprecated::msgs::ACCOUNTS);
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let dispatcher = self.dispatcher.clone();
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let accounts = Arc::new(dispatch::Signer::new(self.accounts.clone())) as _;
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let payload = RpcConfirmationPayload::EthSignMessage((account.clone(), data).into());
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Box::new(
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dispatch::from_rpc(payload, account.into(), &dispatcher)
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.and_then(move |payload| {
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dispatch::execute(
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dispatcher,
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&accounts,
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payload,
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dispatch::SignWith::Password(password.into()),
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)
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})
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.map(|v| v.into_value())
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.then(|res| match res {
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Ok(RpcConfirmationResponse::Signature(signature)) => Ok(signature),
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Err(e) => Err(e),
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e => Err(errors::internal("Unexpected result", e)),
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}),
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)
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}
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fn sign_191(
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&self,
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version: EIP191Version,
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data: Value,
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account: H160,
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password: String,
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) -> BoxFuture<H520> {
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self.deprecation_notice
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.print("personal_sign191", deprecated::msgs::ACCOUNTS);
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try_bf!(errors::require_experimental(
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self.allow_experimental_rpcs,
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"191"
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));
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let data = try_bf!(eip191::hash_message(version, data));
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let dispatcher = self.dispatcher.clone();
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let accounts = Arc::new(dispatch::Signer::new(self.accounts.clone())) as _;
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let payload =
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RpcConfirmationPayload::EIP191SignMessage((account.clone(), data.into()).into());
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Box::new(
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dispatch::from_rpc(payload, account.into(), &dispatcher)
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.and_then(move |payload| {
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dispatch::execute(
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dispatcher,
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&accounts,
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payload,
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dispatch::SignWith::Password(password.into()),
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)
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})
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.map(|v| v.into_value())
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.then(|res| match res {
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Ok(RpcConfirmationResponse::Signature(signature)) => Ok(signature),
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Err(e) => Err(e),
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e => Err(errors::internal("Unexpected result", e)),
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}),
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)
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}
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fn sign_typed_data(
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&self,
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typed_data: EIP712,
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account: H160,
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password: String,
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) -> BoxFuture<H520> {
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self.deprecation_notice
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.print("personal_signTypedData", deprecated::msgs::ACCOUNTS);
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try_bf!(errors::require_experimental(
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self.allow_experimental_rpcs,
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"712"
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));
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let data = match hash_structured_data(typed_data) {
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Ok(d) => d,
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Err(err) => return Box::new(future::err(errors::invalid_call_data(err.kind()))),
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};
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let dispatcher = self.dispatcher.clone();
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let accounts = Arc::new(dispatch::Signer::new(self.accounts.clone())) as _;
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let payload =
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RpcConfirmationPayload::EIP191SignMessage((account.clone(), data.into()).into());
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Box::new(
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dispatch::from_rpc(payload, account.into(), &dispatcher)
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.and_then(move |payload| {
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dispatch::execute(
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dispatcher,
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&accounts,
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payload,
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dispatch::SignWith::Password(password.into()),
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)
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})
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.map(|v| v.into_value())
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.then(|res| match res {
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Ok(RpcConfirmationResponse::Signature(signature)) => Ok(signature),
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Err(e) => Err(e),
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e => Err(errors::internal("Unexpected result", e)),
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}),
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)
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}
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fn ec_recover(&self, data: RpcBytes, signature: H520) -> BoxFuture<H160> {
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let signature: H520 = signature.into();
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let signature = Signature::from_electrum(&signature);
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let data: Bytes = data.into();
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let hash = eth_data_hash(data);
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let account = recover(&signature.into(), &hash)
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.map_err(errors::encryption)
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.map(|public| public_to_address(&public).into());
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Box::new(future::done(account))
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}
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fn sign_transaction(
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&self,
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meta: Metadata,
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request: TransactionRequest,
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password: String,
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) -> BoxFuture<RpcRichRawTransaction> {
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self.deprecation_notice
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.print("personal_signTransaction", deprecated::msgs::ACCOUNTS);
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let condition = request.condition.clone().map(Into::into);
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let dispatcher = self.dispatcher.clone();
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Box::new(
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self.do_sign_transaction(meta, request, password, ())
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.map(move |tx| PendingTransaction::new(tx.into_value(), condition))
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.map(move |pending_tx| dispatcher.enrich(pending_tx.transaction)),
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)
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}
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fn send_transaction(
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&self,
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meta: Metadata,
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request: TransactionRequest,
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password: String,
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) -> BoxFuture<H256> {
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self.deprecation_notice
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.print("personal_sendTransaction", deprecated::msgs::ACCOUNTS);
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let condition = request.condition.clone().map(Into::into);
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let dispatcher = self.dispatcher.clone();
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Box::new(self.do_sign_transaction(
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meta,
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request,
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password,
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move |signed: WithToken<SignedTransaction>| {
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dispatcher
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.dispatch_transaction(PendingTransaction::new(signed.into_value(), condition))
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},
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))
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}
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fn sign_and_send_transaction(
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&self,
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meta: Metadata,
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request: TransactionRequest,
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password: String,
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) -> BoxFuture<H256> {
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self.deprecation_notice.print(
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"personal_signAndSendTransaction",
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Some("use personal_sendTransaction instead."),
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);
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warn!("Using deprecated personal_signAndSendTransaction, use personal_sendTransaction instead.");
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self.send_transaction(meta, request, password)
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}
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}
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