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189 lines
8.7 KiB
189 lines
8.7 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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#include "TransactionQueue.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);
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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(); static const int verbosity = 7; };
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#define cwatch LogOutputStream<WatchChannel, true>()
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struct WorkInChannel: public LogChannel { static const char* name(); static const int verbosity = 16; };
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struct WorkOutChannel: public LogChannel { static const char* name(); static const int verbosity = 16; };
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struct WorkChannel: public LogChannel { static const char* name(); static const int verbosity = 21; };
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#define cwork LogOutputStream<WorkChannel, true>()
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#define cworkin LogOutputStream<WorkInChannel, true>()
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#define cworkout LogOutputStream<WorkOutChannel, true>()
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class ClientBase: public 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 transaction.
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/// @returns the new transaction's hash.
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virtual std::pair<h256, Address> submitTransaction(TransactionSkeleton const& _t, Secret const& _secret) override;
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using Interface::submitTransaction;
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/// Makes the given call. Nothing is recorded into the state.
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virtual ExecutionResult call(Address const& _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice, BlockNumber _blockNumber, FudgeFactor _ff = FudgeFactor::Strict) override;
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using Interface::call;
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/// Makes the given create. Nothing is recorded into the state.
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virtual ExecutionResult create(Address const& _secret, u256 _value, bytes const& _data, u256 _gas, u256 _gasPrice, BlockNumber _blockNumber, FudgeFactor _ff = FudgeFactor::Strict) override;
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using Interface::create;
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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::codeHashAt;
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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 h256 codeHashAt(Address _a, BlockNumber _block) const override;
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virtual std::unordered_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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virtual void prependLogsFromBlock(LogFilter const& _filter, h256 const& _blockHash, BlockPolarity _polarity, LocalisedLogEntries& io_logs) const;
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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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virtual h256 hashFromNumber(BlockNumber _number) const override;
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virtual BlockNumber numberFromHash(h256 _blockHash) const override;
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virtual int compareBlockHashes(h256 _h1, h256 _h2) const override;
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virtual BlockInfo blockInfo(h256 _hash) const override;
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virtual BlockDetails blockDetails(h256 _hash) const override;
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virtual Transaction transaction(h256 _transactionHash) const override;
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virtual LocalisedTransaction localisedTransaction(h256 const& _transactionHash) const override;
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virtual Transaction transaction(h256 _blockHash, unsigned _i) const override;
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virtual LocalisedTransaction localisedTransaction(h256 const& _blockHash, unsigned _i) const override;
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virtual TransactionReceipt transactionReceipt(h256 const& _transactionHash) const override;
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virtual LocalisedTransactionReceipt localisedTransactionReceipt(h256 const& _transactionHash) const override;
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virtual std::pair<h256, unsigned> transactionLocation(h256 const& _transactionHash) const override;
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virtual Transactions transactions(h256 _blockHash) const override;
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virtual TransactionHashes transactionHashes(h256 _blockHash) const override;
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virtual BlockInfo uncle(h256 _blockHash, unsigned _i) const override;
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virtual 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 Transactions pending() const override;
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virtual h256s pendingHashes() const override;
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virtual ImportResult injectTransaction(bytes const& _rlp) override { prepareForTransaction(); return m_tq.import(_rlp); }
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virtual ImportResult injectBlock(bytes const& _block) 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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/// Get the coinbase address
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virtual Address address() const override;
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virtual bool isKnown(h256 const& _hash) const override;
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virtual bool isKnown(BlockNumber _block) const override;
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virtual bool isKnownTransaction(h256 const& _transactionHash) const override;
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virtual bool isKnownTransaction(h256 const& _blockHash, unsigned _i) const override;
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/// TODO: consider moving it to a separate interface
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virtual void startMining() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("ClientBase::startMining")); }
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virtual void stopMining() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("ClientBase::stopMining")); }
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virtual bool isMining() const override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("ClientBase::isMining")); }
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virtual bool wouldMine() const override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("ClientBase::wouldMine")); }
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virtual uint64_t hashrate() const override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("ClientBase::hashrate")); }
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virtual WorkingProgress miningProgress() const override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("ClientBase::miningProgress")); }
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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& bc() = 0;
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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::unordered_map<h256, InstalledFilter> m_filters; ///< The dictionary of filters that are active.
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std::unordered_map<h256, h256s> m_specialFilters = std::unordered_map<h256, std::vector<h256>>{{PendingChangedFilter, {}}, {ChainChangedFilter, {}}};
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///< The dictionary of special filters and their additional data
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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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