134 lines
4.2 KiB
Rust
134 lines
4.2 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::client::MiningBlockChainClient;
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use ethcore::miner::MinerService;
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use util::{Address, U128, Uint};
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use futures::{self, 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::{self, sign_and_dispatch};
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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<C, M> where
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C: MiningBlockChainClient,
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M: MinerService,
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{
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accounts: Weak<AccountProvider>,
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client: Weak<C>,
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miner: Weak<M>,
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allow_perm_unlock: bool,
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}
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impl<C, M> PersonalClient<C, M> where
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C: MiningBlockChainClient,
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M: MinerService,
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{
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/// Creates new PersonalClient
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pub fn new(store: &Arc<AccountProvider>, client: &Arc<C>, miner: &Arc<M>, allow_perm_unlock: bool) -> Self {
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PersonalClient {
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accounts: Arc::downgrade(store),
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client: Arc::downgrade(client),
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miner: Arc::downgrade(miner),
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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<C, M> Personal for PersonalClient<C, M> where
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C: MiningBlockChainClient + 'static,
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M: MinerService + 'static,
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{
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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 sign_and_send = move || {
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let client = take_weak!(self.client);
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let miner = take_weak!(self.miner);
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let accounts = take_weak!(self.accounts);
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let default_account = match request.from {
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Some(ref account) => account.clone().into(),
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None => accounts
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.default_address(meta.dapp_id.unwrap_or_default().into())
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.map_err(|e| errors::account("Cannot find default account.", e))?,
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};
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let request = dispatch::fill_optional_fields(request.into(), default_account, &*client, &*miner);
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sign_and_dispatch(
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&*client,
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&*miner,
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&*accounts,
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request,
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dispatch::SignWith::Password(password)
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).map(|v| v.into_value().into())
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};
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futures::done(sign_and_send()).boxed()
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}
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}
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