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171 lines
7.8 KiB
171 lines
7.8 KiB
/*
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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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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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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 ClientBase.h
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* @author Gav Wood <i@gavwood.com>
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* @author Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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*/
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#pragma once
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#include <chrono>
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#include "Interface.h"
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#include "LogFilter.h"
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namespace dev {
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namespace eth {
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struct InstalledFilter
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{
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InstalledFilter(LogFilter const& _f): filter(_f) {}
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LogFilter filter;
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unsigned refCount = 1;
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LocalisedLogEntries changes;
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};
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static const h256 PendingChangedFilter = u256(0);
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static const h256 ChainChangedFilter = u256(1);
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static const LogEntry SpecialLogEntry = LogEntry(Address(), h256s(), bytes());
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static const LocalisedLogEntry InitialChange(SpecialLogEntry, 0);
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struct ClientWatch
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{
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ClientWatch(): lastPoll(std::chrono::system_clock::now()) {}
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explicit ClientWatch(h256 _id, Reaping _r): id(_id), lastPoll(_r == Reaping::Automatic ? std::chrono::system_clock::now() : std::chrono::system_clock::time_point::max()) {}
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h256 id;
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#if INITIAL_STATE_AS_CHANGES
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LocalisedLogEntries changes = LocalisedLogEntries{ InitialChange };
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#else
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LocalisedLogEntries changes;
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#endif
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mutable std::chrono::system_clock::time_point lastPoll = std::chrono::system_clock::now();
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};
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struct WatchChannel: public LogChannel { static const char* name() { return "(o)"; } static const int verbosity = 7; };
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#define cwatch dev::LogOutputStream<dev::eth::WatchChannel, true>()
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struct WorkInChannel: public LogChannel { static const char* name() { return ">W>"; } static const int verbosity = 16; };
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struct WorkOutChannel: public LogChannel { static const char* name() { return "<W<"; } static const int verbosity = 16; };
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struct WorkChannel: public LogChannel { static const char* name() { return "-W-"; } static const int verbosity = 16; };
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#define cwork dev::LogOutputStream<dev::eth::WorkChannel, true>()
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#define cworkin dev::LogOutputStream<dev::eth::WorkInChannel, true>()
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#define cworkout dev::LogOutputStream<dev::eth::WorkOutChannel, true>()
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class ClientBase: public dev::eth::Interface
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{
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public:
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ClientBase() {}
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virtual ~ClientBase() {}
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/// Submits the given message-call transaction.
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virtual void submitTransaction(Secret _secret, u256 _value, Address _dest, bytes const& _data = bytes(), u256 _gas = 10000, u256 _gasPrice = 10 * szabo) override;
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/// Submits a new contract-creation transaction.
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/// @returns the new contract's address (assuming it all goes through).
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virtual Address submitTransaction(Secret _secret, u256 _endowment, bytes const& _init, u256 _gas = 10000, u256 _gasPrice = 10 * szabo) override;
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/// Makes the given call. Nothing is recorded into the state.
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virtual ExecutionResult call(Secret _secret, u256 _value, Address _dest, bytes const& _data = bytes(), u256 _gas = 10000, u256 _gasPrice = 10 * szabo, BlockNumber _blockNumber = PendingBlock) override;
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virtual ExecutionResult create(Secret _secret, u256 _value, bytes const& _data = bytes(), u256 _gas = 10000, u256 _gasPrice = 10 * szabo, BlockNumber _blockNumber = PendingBlock) override;
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using Interface::balanceAt;
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using Interface::countAt;
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using Interface::stateAt;
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using Interface::codeAt;
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using Interface::storageAt;
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virtual u256 balanceAt(Address _a, BlockNumber _block) const override;
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virtual u256 countAt(Address _a, BlockNumber _block) const override;
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virtual u256 stateAt(Address _a, u256 _l, BlockNumber _block) const override;
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virtual bytes codeAt(Address _a, BlockNumber _block) const override;
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virtual std::map<u256, u256> storageAt(Address _a, BlockNumber _block) const override;
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virtual LocalisedLogEntries logs(unsigned _watchId) const override;
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virtual LocalisedLogEntries logs(LogFilter const& _filter) const override;
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/// Install, uninstall and query watches.
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virtual unsigned installWatch(LogFilter const& _filter, Reaping _r = Reaping::Automatic) override;
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virtual unsigned installWatch(h256 _filterId, Reaping _r = Reaping::Automatic) override;
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virtual bool uninstallWatch(unsigned _watchId) override;
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virtual LocalisedLogEntries peekWatch(unsigned _watchId) const override;
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virtual LocalisedLogEntries checkWatch(unsigned _watchId) override;
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// TODO: switch all the _blockHash arguments to also accept _blockNumber
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virtual h256 hashFromNumber(unsigned _number) const override;
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virtual eth::BlockInfo blockInfo(h256 _hash) const override;
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virtual eth::BlockDetails blockDetails(h256 _hash) const override;
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virtual eth::Transaction transaction(h256 _transactionHash) const override;
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virtual eth::Transaction transaction(h256 _blockHash, unsigned _i) const override;
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virtual eth::Transactions transactions(h256 _blockHash) const override;
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virtual eth::TransactionHashes transactionHashes(h256 _blockHash) const override;
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virtual eth::BlockInfo uncle(h256 _blockHash, unsigned _i) const override;
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virtual eth::UncleHashes uncleHashes(h256 _blockHash) const override;
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virtual unsigned transactionCount(h256 _blockHash) const override;
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virtual unsigned uncleCount(h256 _blockHash) const override;
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virtual unsigned number() const override;
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virtual eth::Transactions pending() const override;
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using Interface::diff;
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virtual StateDiff diff(unsigned _txi, h256 _block) const override;
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virtual StateDiff diff(unsigned _txi, BlockNumber _block) const override;
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using Interface::addresses;
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virtual Addresses addresses(BlockNumber _block) const override;
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virtual u256 gasLimitRemaining() const override;
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/// Set the coinbase address
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virtual void setAddress(Address _us) = 0;
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/// Get the coinbase address
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virtual Address address() const override;
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/// TODO: consider moving it to a separate interface
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virtual void setMiningThreads(unsigned _threads) override { (void)_threads; BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::setMiningThreads")); }
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virtual unsigned miningThreads() const override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::miningThreads")); }
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virtual void startMining() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::startMining")); }
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virtual void stopMining() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::stopMining")); }
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virtual bool isMining() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::isMining")); }
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virtual eth::MineProgress miningProgress() const override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::miningProgress")); }
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virtual std::pair<h256, u256> getWork() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::getWork")); }
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virtual bool submitWork(eth::ProofOfWork::Proof const&) override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::ClientBase::submitWork")); }
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State asOf(BlockNumber _h) const;
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protected:
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/// The interface that must be implemented in any class deriving this.
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/// {
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virtual BlockChain const& bc() const = 0;
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virtual State asOf(h256 const& _h) const = 0;
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virtual State preMine() const = 0;
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virtual State postMine() const = 0;
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virtual void prepareForTransaction() = 0;
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/// }
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TransactionQueue m_tq; ///< Maintains a list of incoming transactions not yet in a block on the blockchain.
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// filters
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mutable Mutex x_filtersWatches; ///< Our lock.
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std::map<h256, InstalledFilter> m_filters; ///< The dictionary of filters that are active.
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std::map<unsigned, ClientWatch> m_watches; ///< Each and every watch - these reference a filter.
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};
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}}
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