131 lines
4.4 KiB
Rust
131 lines
4.4 KiB
Rust
// Copyright 2015-2017 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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//! Account management (personal) rpc implementation
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use std::sync::{Arc, Weak};
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use ethcore::account_provider::AccountProvider;
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use ethcore::transaction::PendingTransaction;
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use util::{Address, U128, Uint, ToPretty};
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use futures::{future, Future, BoxFuture};
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use jsonrpc_core::Error;
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use v1::helpers::errors;
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use v1::helpers::dispatch::{Dispatcher, SignWith};
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use v1::traits::Personal;
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use v1::types::{H160 as RpcH160, H256 as RpcH256, U128 as RpcU128, TransactionRequest};
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use v1::metadata::Metadata;
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/// Account management (personal) rpc implementation.
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pub struct PersonalClient<D: Dispatcher> {
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accounts: Weak<AccountProvider>,
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dispatcher: D,
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allow_perm_unlock: bool,
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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(store: &Arc<AccountProvider>, dispatcher: D, allow_perm_unlock: bool) -> Self {
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PersonalClient {
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accounts: Arc::downgrade(store),
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dispatcher: dispatcher,
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allow_perm_unlock: allow_perm_unlock,
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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<RpcH160>, Error> {
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let store = take_weak!(self.accounts);
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let accounts = store.accounts().map_err(|e| errors::account("Could not fetch accounts.", e))?;
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Ok(accounts.into_iter().map(Into::into).collect::<Vec<RpcH160>>())
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}
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fn new_account(&self, pass: String) -> Result<RpcH160, Error> {
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let store = take_weak!(self.accounts);
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store.new_account(&pass)
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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(&self, account: RpcH160, account_pass: String, duration: Option<RpcU128>) -> Result<bool, Error> {
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let account: Address = account.into();
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let store = take_weak!(self.accounts);
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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 (self.allow_perm_unlock, duration) {
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(false, _) => store.unlock_account_temporarily(account, account_pass),
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(true, Some(0)) => store.unlock_account_permanently(account, account_pass),
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(true, Some(d)) => store.unlock_account_timed(account, account_pass, d * 1000),
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(true, None) => store.unlock_account_timed(account, account_pass, 300_000),
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};
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match r {
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Ok(_) => Ok(true),
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// TODO [ToDr] Proper error here?
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Err(_) => Ok(false),
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}
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}
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fn send_transaction(&self, meta: Metadata, request: TransactionRequest, password: String) -> BoxFuture<RpcH256, Error> {
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let dispatcher = self.dispatcher.clone();
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let accounts = take_weakf!(self.accounts);
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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_address(meta.dapp_id().into())
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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 future::err(e).boxed(),
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};
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dispatcher.fill_optional_fields(request.into(), default)
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.and_then(move |filled| {
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let condition = filled.condition.clone().map(Into::into);
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dispatcher.sign(&accounts, filled, SignWith::Password(password))
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.map(|tx| tx.into_value())
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.map(move |tx| PendingTransaction::new(tx, condition))
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.map(move |tx| (tx, dispatcher))
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})
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.and_then(|(pending_tx, dispatcher)| {
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let network_id = pending_tx.network_id();
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trace!(target: "miner", "send_transaction: dispatching tx: {} for network ID {:?}",
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::rlp::encode(&*pending_tx).to_vec().pretty(), network_id);
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dispatcher.dispatch_transaction(pending_tx).map(Into::into)
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})
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.boxed()
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}
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}
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