45978bc2bd
* bundle_* macros for spec * fixed failing tests * renamed bundle.rs to chain.rs * removed unused derives * updated spec/chain.rs description
279 lines
14 KiB
Rust
279 lines
14 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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//! Contract for private transactions tests.
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extern crate common_types as types;
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extern crate env_logger;
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extern crate ethcore;
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extern crate ethcore_io;
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extern crate ethcore_private_tx;
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extern crate ethkey;
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extern crate keccak_hash as hash;
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extern crate rustc_hex;
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#[macro_use]
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extern crate log;
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use std::sync::Arc;
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use rustc_hex::{FromHex, ToHex};
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use types::ids::BlockId;
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use types::transaction::{Transaction, Action};
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use ethcore::CreateContractAddress;
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use ethcore::client::BlockChainClient;
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use ethcore::executive::contract_address;
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use ethcore::miner::Miner;
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use ethcore::test_helpers::{generate_dummy_client, push_block_with_transactions};
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use ethcore::spec;
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use ethkey::{Secret, KeyPair, Signature};
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use hash::keccak;
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use ethcore_private_tx::{NoopEncryptor, Provider, ProviderConfig, StoringKeyProvider};
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#[test]
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fn private_contract() {
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// This uses a simple private contract: contract Test1 { bytes32 public x; function setX(bytes32 _x) { x = _x; } }
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let _ = ::env_logger::try_init();
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let client = generate_dummy_client(0);
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let chain_id = client.signing_chain_id();
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let key1 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000011")).unwrap();
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let _key2 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000012")).unwrap();
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let key3 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000013")).unwrap();
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let key4 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000014")).unwrap();
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let signer = Arc::new(ethcore_private_tx::KeyPairSigner(vec![key1.clone(), key3.clone(), key4.clone()]));
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let config = ProviderConfig{
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validator_accounts: vec![key3.address(), key4.address()],
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signer_account: None,
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logs_path: None,
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};
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let io = ethcore_io::IoChannel::disconnected();
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let miner = Arc::new(Miner::new_for_tests(&spec::new_test(), None));
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let private_keys = Arc::new(StoringKeyProvider::default());
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let pm = Arc::new(Provider::new(
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client.clone(),
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miner,
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signer.clone(),
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Box::new(NoopEncryptor::default()),
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config,
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io,
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private_keys,
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));
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let (address, _) = contract_address(CreateContractAddress::FromSenderAndNonce, &key1.address(), &0.into(), &[]);
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trace!("Creating private contract");
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let private_contract_test = "6060604052341561000f57600080fd5b60d88061001d6000396000f30060606040526000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680630c55699c146046578063bc64b76d14607457600080fd5b3415605057600080fd5b60566098565b60405180826000191660001916815260200191505060405180910390f35b3415607e57600080fd5b6096600480803560001916906020019091905050609e565b005b60005481565b8060008160001916905550505600a165627a7a723058206acbdf4b15ca4c2d43e1b1879b830451a34f1e9d02ff1f2f394d8d857e79d2080029".from_hex().unwrap();
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let mut private_create_tx = Transaction::default();
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private_create_tx.action = Action::Create;
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private_create_tx.data = private_contract_test;
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private_create_tx.gas = 200000.into();
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let private_create_tx_signed = private_create_tx.sign(&key1.secret(), None);
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let validators = vec![key3.address(), key4.address()];
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let (public_tx, _) = pm.public_creation_transaction(BlockId::Latest, &private_create_tx_signed, &validators, 0.into()).unwrap();
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let public_tx = public_tx.sign(&key1.secret(), chain_id);
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trace!("Transaction created. Pushing block");
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push_block_with_transactions(&client, &[public_tx]);
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trace!("Querying default private state");
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let mut query_tx = Transaction::default();
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query_tx.action = Action::Call(address.clone());
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query_tx.data = "0c55699c".from_hex().unwrap(); // getX
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query_tx.gas = 50000.into();
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query_tx.nonce = 1.into();
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let query_tx = query_tx.sign(&key1.secret(), chain_id);
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let result = pm.private_call(BlockId::Latest, &query_tx).unwrap();
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assert_eq!(&result.output[..], &("0000000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap()[..]));
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assert_eq!(pm.get_validators(BlockId::Latest, &address).unwrap(), validators);
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trace!("Modifying private state");
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let mut private_tx = Transaction::default();
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private_tx.action = Action::Call(address.clone());
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private_tx.data = "bc64b76d2a00000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap(); //setX(42)
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private_tx.gas = 120000.into();
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private_tx.nonce = 1.into();
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let private_tx = private_tx.sign(&key1.secret(), None);
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let private_contract_nonce = pm.get_contract_nonce(&address, BlockId::Latest).unwrap();
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let private_state = pm.execute_private_transaction(BlockId::Latest, &private_tx).unwrap();
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let nonced_state_hash = pm.calculate_state_hash(&private_state, private_contract_nonce);
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let signatures: Vec<_> = [&key3, &key4].iter().map(|k|
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Signature::from(::ethkey::sign(&k.secret(), &nonced_state_hash).unwrap().into_electrum())).collect();
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let public_tx = pm.public_transaction(private_state, &private_tx, &signatures, 1.into(), 0.into()).unwrap();
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let public_tx = public_tx.sign(&key1.secret(), chain_id);
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push_block_with_transactions(&client, &[public_tx]);
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trace!("Querying private state");
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let mut query_tx = Transaction::default();
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query_tx.action = Action::Call(address.clone());
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query_tx.data = "0c55699c".from_hex().unwrap(); // getX
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query_tx.gas = 50000.into();
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query_tx.nonce = 2.into();
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let query_tx = query_tx.sign(&key1.secret(), chain_id);
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let result = pm.private_call(BlockId::Latest, &query_tx).unwrap();
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assert_eq!(&result.output[..], &("2a00000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap()[..]));
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assert_eq!(pm.get_validators(BlockId::Latest, &address).unwrap(), validators);
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// Now try modification with just one signature
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trace!("Modifying private state");
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let mut private_tx = Transaction::default();
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private_tx.action = Action::Call(address.clone());
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private_tx.data = "bc64b76d2b00000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap(); //setX(43)
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private_tx.gas = 120000.into();
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private_tx.nonce = 2.into();
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let private_tx = private_tx.sign(&key1.secret(), None);
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let private_state = pm.execute_private_transaction(BlockId::Latest, &private_tx).unwrap();
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let private_state_hash = keccak(&private_state);
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let signatures: Vec<_> = [&key4].iter().map(|k|
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Signature::from(::ethkey::sign(&k.secret(), &private_state_hash).unwrap().into_electrum())).collect();
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let public_tx = pm.public_transaction(private_state, &private_tx, &signatures, 2.into(), 0.into()).unwrap();
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let public_tx = public_tx.sign(&key1.secret(), chain_id);
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push_block_with_transactions(&client, &[public_tx]);
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trace!("Querying private state");
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let mut query_tx = Transaction::default();
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query_tx.action = Action::Call(address.clone());
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query_tx.data = "0c55699c".from_hex().unwrap(); // getX
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query_tx.gas = 50000.into();
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query_tx.nonce = 3.into();
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let query_tx = query_tx.sign(&key1.secret(), chain_id);
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let result = pm.private_call(BlockId::Latest, &query_tx).unwrap();
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assert_eq!(result.output, "2a00000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap());
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}
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#[test]
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fn call_other_private_contract() {
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// This test verifies calls private contract methods from another one
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// Two contract will be deployed
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// The same contract A:
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// contract Test1 {
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// bytes32 public x;
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// function setX(bytes32 _x) {
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// x = _x;
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// }
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// }
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// And the following contract B:
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// contract Deployed {
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// function setX(uint) {}
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// function x() returns (uint) {}
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//}
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// contract Existing {
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// Deployed dc;
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// function Existing(address t) {
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// dc = Deployed(t);
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// }
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// function getX() returns (uint) {
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// return dc.x();
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// }
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// }
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//ethcore_logger::init_log();
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// Create client and provider
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let client = generate_dummy_client(0);
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let chain_id = client.signing_chain_id();
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let key1 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000011")).unwrap();
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let _key2 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000012")).unwrap();
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let key3 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000013")).unwrap();
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let key4 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000014")).unwrap();
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let signer = Arc::new(ethcore_private_tx::KeyPairSigner(vec![key1.clone(), key3.clone(), key4.clone()]));
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let config = ProviderConfig{
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validator_accounts: vec![key3.address(), key4.address()],
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signer_account: None,
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logs_path: None,
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};
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let io = ethcore_io::IoChannel::disconnected();
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let miner = Arc::new(Miner::new_for_tests(&spec::new_test(), None));
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let private_keys = Arc::new(StoringKeyProvider::default());
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let pm = Arc::new(Provider::new(
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client.clone(),
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miner,
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signer.clone(),
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Box::new(NoopEncryptor::default()),
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config,
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io,
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private_keys.clone(),
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));
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// Deploy contract A
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let (address_a, _) = contract_address(CreateContractAddress::FromSenderAndNonce, &key1.address(), &0.into(), &[]);
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trace!("Creating private contract A");
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let private_contract_a_test = "6060604052341561000f57600080fd5b60d88061001d6000396000f30060606040526000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680630c55699c146046578063bc64b76d14607457600080fd5b3415605057600080fd5b60566098565b60405180826000191660001916815260200191505060405180910390f35b3415607e57600080fd5b6096600480803560001916906020019091905050609e565b005b60005481565b8060008160001916905550505600a165627a7a723058206acbdf4b15ca4c2d43e1b1879b830451a34f1e9d02ff1f2f394d8d857e79d2080029".from_hex().unwrap();
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let mut private_create_tx1 = Transaction::default();
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private_create_tx1.action = Action::Create;
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private_create_tx1.data = private_contract_a_test;
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private_create_tx1.gas = 200000.into();
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private_create_tx1.nonce = 0.into();
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let private_create_tx_signed = private_create_tx1.sign(&key1.secret(), None);
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let validators = vec![key3.address(), key4.address()];
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let (public_tx1, _) = pm.public_creation_transaction(BlockId::Latest, &private_create_tx_signed, &validators, 0.into()).unwrap();
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let public_tx1 = public_tx1.sign(&key1.secret(), chain_id);
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trace!("Transaction created. Pushing block");
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push_block_with_transactions(&client, &[public_tx1]);
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// Deploy contract B
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let (address_b, _) = contract_address(CreateContractAddress::FromSenderAndNonce, &key1.address(), &1.into(), &[]);
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trace!("Creating private contract B");
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// Build constructor data
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let mut deploy_data = "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".to_string();
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deploy_data.push_str(&address_a.as_bytes().to_vec().to_hex());
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let private_contract_b_test = deploy_data.from_hex().unwrap();
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let mut private_create_tx2 = Transaction::default();
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private_create_tx2.action = Action::Create;
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private_create_tx2.data = private_contract_b_test;
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private_create_tx2.gas = 200000.into();
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private_create_tx2.nonce = 1.into();
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let private_create_tx_signed = private_create_tx2.sign(&key1.secret(), None);
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let (public_tx2, _) = pm.public_creation_transaction(BlockId::Latest, &private_create_tx_signed, &validators, 0.into()).unwrap();
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let public_tx2 = public_tx2.sign(&key1.secret(), chain_id);
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trace!("Transaction created. Pushing block");
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push_block_with_transactions(&client, &[public_tx2]);
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// Let provider know, that it has access to both keys for A and B
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private_keys.set_available_keys(&vec![address_a, address_b]);
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// Call A.setx(42)
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trace!("Modifying private state");
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let mut private_tx = Transaction::default();
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private_tx.action = Action::Call(address_a.clone());
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private_tx.data = "bc64b76d2a00000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap(); //setX(42)
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private_tx.gas = 120000.into();
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private_tx.nonce = 2.into();
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let private_tx = private_tx.sign(&key1.secret(), None);
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let private_contract_nonce = pm.get_contract_nonce(&address_b, BlockId::Latest).unwrap();
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let private_state = pm.execute_private_transaction(BlockId::Latest, &private_tx).unwrap();
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let nonced_state_hash = pm.calculate_state_hash(&private_state, private_contract_nonce);
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let signatures: Vec<_> = [&key3, &key4].iter().map(|k|
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Signature::from(::ethkey::sign(&k.secret(), &nonced_state_hash).unwrap().into_electrum())).collect();
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let public_tx = pm.public_transaction(private_state, &private_tx, &signatures, 2.into(), 0.into()).unwrap();
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let public_tx = public_tx.sign(&key1.secret(), chain_id);
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push_block_with_transactions(&client, &[public_tx]);
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// Call B.getX()
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trace!("Querying private state");
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let mut query_tx = Transaction::default();
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query_tx.action = Action::Call(address_b.clone());
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query_tx.data = "5197c7aa".from_hex().unwrap(); // getX
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query_tx.gas = 50000.into();
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query_tx.nonce = 3.into();
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let query_tx = query_tx.sign(&key1.secret(), chain_id);
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let result = pm.private_call(BlockId::Latest, &query_tx).unwrap();
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assert_eq!(&result.output[..], &("2a00000000000000000000000000000000000000000000000000000000000000".from_hex().unwrap()[..]));
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}
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