Christian
10 years ago
8 changed files with 365 additions and 65 deletions
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/*
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This file is part of cpp-ethereum. |
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cpp-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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|
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cpp-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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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file AccountHolder.cpp
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* @authors: |
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* Christian R <c@ethdev.com> |
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* Lefteris Karapetsas <lefteris@ethdev.com> |
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* @date 2015 |
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*/ |
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#include "AccountHolder.h" |
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#include <libethereum/Client.h> |
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using namespace std; |
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using namespace dev; |
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using namespace dev::eth; |
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vector<TransactionSkeleton> emptyQueue; |
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void AccountHolder::setAccounts(vector<KeyPair> const& _accounts) |
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{ |
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m_accounts.clear(); |
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for (auto const& keyPair: _accounts) |
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{ |
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m_accounts.push_back(keyPair.address()); |
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m_keyPairs[keyPair.address()] = keyPair; |
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} |
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} |
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vector<Address> AccountHolder::getAllAccounts() const |
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{ |
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vector<Address> accounts = m_accounts; |
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for (auto const& pair: m_proxyAccounts) |
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if (!isRealAccount(pair.first)) |
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accounts.push_back(pair.first); |
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return accounts; |
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} |
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Address const& AccountHolder::getDefaultCallAccount() const |
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{ |
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if (m_accounts.empty()) |
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return ZeroAddress; |
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Address const* bestMatch = &m_accounts.front(); |
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for (auto const& account: m_accounts) |
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if (m_client()->balanceAt(account) > m_client()->balanceAt(*bestMatch)) |
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bestMatch = &account; |
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return *bestMatch; |
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} |
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int AccountHolder::addProxyAccount(const Address& _account) |
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{ |
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int const c_id = m_transactionQueues.empty() ? 1 : m_transactionQueues.rbegin()->first + 1; |
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if (isProxyAccount(_account)) |
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return 0; |
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m_proxyAccounts.insert(make_pair(_account, c_id)); |
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m_transactionQueues[c_id].first = _account; |
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return c_id; |
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} |
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bool AccountHolder::removeProxyAccount(unsigned _id) |
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{ |
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if (!m_transactionQueues.count(_id)) |
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return false; |
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m_proxyAccounts.erase(m_transactionQueues[_id].first); |
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m_transactionQueues.erase(_id); |
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return true; |
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} |
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void AccountHolder::queueTransaction(TransactionSkeleton const& _transaction) |
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{ |
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if (!m_proxyAccounts.count(_transaction.from)) |
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return; |
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int id = m_proxyAccounts[_transaction.from]; |
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m_transactionQueues[id].second.push_back(_transaction); |
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} |
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vector<TransactionSkeleton> const& AccountHolder::getQueuedTransactions(int _id) const |
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{ |
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if (!m_transactionQueues.count(_id)) |
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return emptyQueue; |
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return m_transactionQueues.at(_id).second; |
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} |
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void AccountHolder::clearQueue(int _id) |
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{ |
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if (m_transactionQueues.count(_id)) |
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m_transactionQueues.at(_id).second.clear(); |
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} |
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@ -0,0 +1,74 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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cpp-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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|
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cpp-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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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file AccountHolder.h
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* @authors: |
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* Christian R <c@ethdev.com> |
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* Lefteris Karapetsas <lefteris@ethdev.com> |
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* @date 2015 |
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*/ |
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#pragma once |
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#include <functional> |
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#include <vector> |
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#include <map> |
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#include <libdevcrypto/Common.h> |
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#include <libethcore/CommonJS.h> |
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namespace dev |
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{ |
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namespace eth |
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{ |
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class Interface; |
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} |
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/**
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* Manages real accounts (where we know the secret key) and proxy accounts (where transactions |
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* to be sent from these accounts are forwarded to a proxy on the other side). |
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*/ |
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class AccountHolder |
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{ |
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public: |
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explicit AccountHolder(std::function<eth::Interface*()> const& _client): m_client(_client) {} |
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/// Sets or resets the list of real accounts.
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void setAccounts(std::vector<KeyPair> const& _accounts); |
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std::vector<Address> const& getRealAccounts() const { return m_accounts; } |
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bool isRealAccount(Address const& _account) const { return m_keyPairs.count(_account) > 0; } |
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bool isProxyAccount(Address const& _account) const { return m_proxyAccounts.count(_account) > 0; } |
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Secret const& secretKey(Address const& _account) const { return m_keyPairs.at(_account).secret(); } |
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std::vector<Address> getAllAccounts() const; |
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Address const& getDefaultCallAccount() const; |
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int addProxyAccount(Address const& _account); |
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bool removeProxyAccount(unsigned _id); |
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void queueTransaction(eth::TransactionSkeleton const& _transaction); |
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std::vector<eth::TransactionSkeleton> const& getQueuedTransactions(int _id) const; |
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void clearQueue(int _id); |
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private: |
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using TransactionQueue = std::vector<eth::TransactionSkeleton>; |
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std::map<Address, KeyPair> m_keyPairs; |
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std::vector<Address> m_accounts; |
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std::map<Address, int> m_proxyAccounts; |
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std::map<int, std::pair<Address, TransactionQueue>> m_transactionQueues; |
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std::function<eth::Interface*()> m_client; |
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}; |
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} |
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@ -0,0 +1,74 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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cpp-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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|
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cpp-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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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/**
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* @author Christian R <c@ethdev.com> |
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* @date 2015 |
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* Unit tests for the account holder used by the WebThreeStubServer. |
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*/ |
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#include <boost/test/unit_test.hpp> |
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#include <libweb3jsonrpc/AccountHolder.h> |
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namespace dev |
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{ |
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namespace test |
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{ |
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BOOST_AUTO_TEST_SUITE(AccountHolderTest) |
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BOOST_AUTO_TEST_CASE(ProxyAccountUseCase) |
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{ |
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AccountHolder h = AccountHolder(std::function<eth::Interface*()>()); |
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BOOST_CHECK(h.getAllAccounts().empty()); |
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BOOST_CHECK(h.getRealAccounts().empty()); |
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Address addr("abababababababababababababababababababab"); |
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Address addr2("abababababababababababababababababababab"); |
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int id = h.addProxyAccount(addr); |
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BOOST_CHECK(h.getQueuedTransactions(id).empty()); |
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// register it again
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int secondID = h.addProxyAccount(addr); |
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BOOST_CHECK(h.getQueuedTransactions(secondID).empty()); |
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eth::TransactionSkeleton t1; |
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eth::TransactionSkeleton t2; |
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t1.from = addr; |
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t1.data = fromHex("12345678"); |
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t2.from = addr; |
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t2.data = fromHex("abcdef"); |
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BOOST_CHECK(h.getQueuedTransactions(id).empty()); |
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h.queueTransaction(t1); |
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BOOST_CHECK_EQUAL(1, h.getQueuedTransactions(id).size()); |
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h.queueTransaction(t2); |
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BOOST_REQUIRE_EQUAL(2, h.getQueuedTransactions(id).size()); |
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// second proxy should not see transactions
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BOOST_CHECK(h.getQueuedTransactions(secondID).empty()); |
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BOOST_CHECK(h.getQueuedTransactions(id)[0].data == t1.data); |
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BOOST_CHECK(h.getQueuedTransactions(id)[1].data == t2.data); |
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h.clearQueue(id); |
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BOOST_CHECK(h.getQueuedTransactions(id).empty()); |
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// removing fails because it never existed
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BOOST_CHECK(!h.removeProxyAccount(secondID)); |
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BOOST_CHECK(h.removeProxyAccount(id)); |
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} |
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BOOST_AUTO_TEST_SUITE_END() |
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} |
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} |
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