openethereum/ethcore/private-tx/src/messages.rs
Anton Gavrilov e6f75bccfe Private transactions integration pr (#6422)
* Private transaction message added

* Empty line removed

* Private transactions logic removed from client into the separate module

* Fixed compilation after merge with head

* Signed private transaction message added as well

* Comments after the review fixed

* Private tx execution

* Test update

* Renamed some methods

* Fixed some tests

* Reverted submodules

* Fixed build

* Private transaction message added

* Empty line removed

* Private transactions logic removed from client into the separate module

* Fixed compilation after merge with head

* Signed private transaction message added as well

* Comments after the review fixed

* Encrypted private transaction message and signed reply added

* Private tx execution

* Test update

* Main scenario completed

* Merged with the latest head

* Private transactions API

* Comments after review fixed

* Parameters for private transactions added to parity arguments

* New files added

* New API methods added

* Do not process packets from unconfirmed peers

* Merge with ptm_ss branch

* Encryption and permissioning with key server added

* Fixed compilation after merge

* Version of Parity protocol incremented in order to support private transactions

* Doc strings for constants added

* Proper format for doc string added

* fixed some encryptor.rs grumbles

* Private transactions functionality moved to the separate crate

* Refactoring in order to remove late initialisation

* Tests fixed after moving to the separate crate

* Fetch method removed

* Sync test helpers refactored

* Interaction with encryptor refactored

* Contract address retrieving via substate removed

* Sensible gas limit for private transactions implemented

* New private contract with nonces added

* Parsing of the response from key server fixed

* Build fixed after the merge, native contracts removed

* Crate renamed

* Tests moved to the separate directory

* Handling of errors reworked in order to use error chain

* Encodable macro added, new constructor replaced with default

* Native ethabi usage removed

* Couple conversions optimized

* Interactions with client reworked

* Errors omitting removed

* Fix after merge

* Fix after the merge

* private transactions improvements in progress

* private_transactions -> ethcore/private-tx

* making private transactions more idiomatic

* private-tx encryptor uses shared FetchClient and is more idiomatic

* removed redundant tests, moved integration tests to tests/ dir

* fixed failing service test

* reenable add_notify on private tx provider

* removed private_tx tests from sync module

* removed commented out code

* Use plain password instead of unlocking account manager

* remove dead code

* Link to the contract changed

* Transaction signature chain replay protection module created

* Redundant type conversion removed

* Contract address returned by private provider

* Test fixed

* Addressing grumbles in PrivateTransactions (#8249)

* Tiny fixes part 1.

* A bunch of additional comments and todos.

* Fix ethsync tests.

* resolved merge conflicts

* final private tx pr (#8318)

* added cli option that enables private transactions

* fixed failing test

* fixed failing test

* fixed failing test

* fixed failing test
2018-04-09 16:14:33 +02:00

77 lines
2.4 KiB
Rust

// Copyright 2015-2017 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 ethereum_types::{H256, U256, Address};
use bytes::Bytes;
use hash::keccak;
use rlp::Encodable;
use ethkey::Signature;
use transaction::signature::{add_chain_replay_protection, check_replay_protection};
/// Message with private transaction encrypted
#[derive(Default, Debug, Clone, PartialEq, RlpEncodable, RlpDecodable, Eq)]
pub struct PrivateTransaction {
/// Encrypted data
pub encrypted: Bytes,
/// Address of the contract
pub contract: Address,
}
impl PrivateTransaction {
/// Compute hash on private transaction
pub fn hash(&self) -> H256 {
keccak(&*self.rlp_bytes())
}
}
/// Message about private transaction's signing
#[derive(Default, Debug, Clone, PartialEq, RlpEncodable, RlpDecodable, Eq)]
pub struct SignedPrivateTransaction {
/// Hash of the corresponding private transaction
private_transaction_hash: H256,
/// Signature of the validator
/// The V field of the signature
v: u64,
/// The R field of the signature
r: U256,
/// The S field of the signature
s: U256,
}
impl SignedPrivateTransaction {
/// Construct a signed private transaction message
pub fn new(private_transaction_hash: H256, sig: Signature, chain_id: Option<u64>) -> Self {
SignedPrivateTransaction {
private_transaction_hash: private_transaction_hash,
r: sig.r().into(),
s: sig.s().into(),
v: add_chain_replay_protection(sig.v() as u64, chain_id),
}
}
pub fn standard_v(&self) -> u8 { check_replay_protection(self.v) }
/// Construct a signature object from the sig.
pub fn signature(&self) -> Signature {
Signature::from_rsv(&self.r.into(), &self.s.into(), self.standard_v())
}
/// Get the hash of of the original transaction.
pub fn private_transaction_hash(&self) -> H256 {
self.private_transaction_hash
}
}