Gav Wood
10 years ago
17 changed files with 199 additions and 112 deletions
@ -1,12 +1,86 @@ |
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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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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 CanonBlockChain.cpp
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#include "CanonBlockChain.h" |
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CanonBlockChain::CanonBlockChain() |
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{ |
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#include <boost/filesystem.hpp> |
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#include <libdevcore/Common.h> |
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#include <libdevcore/RLP.h> |
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#include <libdevcrypto/FileSystem.h> |
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#include <libethcore/Exceptions.h> |
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#include <libethcore/ProofOfWork.h> |
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#include <libethcore/BlockInfo.h> |
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#include <liblll/Compiler.h> |
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#include "State.h" |
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#include "Defaults.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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#define ETH_CATCH 1 |
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std::map<Address, Account> const& dev::eth::genesisState() |
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{ |
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static std::map<Address, Account> s_ret; |
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if (s_ret.empty()) |
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{ |
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// Initialise.
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for (auto i: vector<string>({ |
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"dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6", |
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"e6716f9544a56c530d868e4bfbacb172315bdead", |
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"b9c015918bdaba24b4ff057a92a3873d6eb201be", |
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"1a26338f0d905e295fccb71fa9ea849ffa12aaf4", |
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"2ef47100e0787b915105fd5e3f4ff6752079d5cb", |
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"cd2a3d9f938e13cd947ec05abc7fe734df8dd826", |
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"6c386a4b26f73c802f34673f7248bb118f97424a", |
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"e4157b34ea9615cfbde6b4fda419828124b70c78" |
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})) |
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s_ret[Address(fromHex(i))] = Account(u256(1) << 200, Account::NormalCreation); |
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} |
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return s_ret; |
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} |
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CanonBlockChain::~CanonBlockChain() |
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std::unique_ptr<BlockInfo> CanonBlockChain::s_genesis; |
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boost::shared_mutex CanonBlockChain::x_genesis; |
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bytes CanonBlockChain::createGenesisBlock() |
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{ |
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RLPStream block(3); |
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h256 stateRoot; |
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{ |
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MemoryDB db; |
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TrieDB<Address, MemoryDB> state(&db); |
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state.init(); |
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dev::eth::commit(genesisState(), db, state); |
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stateRoot = state.root(); |
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} |
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block.appendList(14) |
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<< h256() << EmptyListSHA3 << h160() << stateRoot << EmptyTrie << EmptyTrie << LogBloom() << c_genesisDifficulty << 0 << 1000000 << 0 << (unsigned)0 << string() << sha3(bytes(1, 42)); |
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block.appendRaw(RLPEmptyList); |
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block.appendRaw(RLPEmptyList); |
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return block.out(); |
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} |
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CanonBlockChain::CanonBlockChain(std::string _path, bool _killExisting): BlockChain(CanonBlockChain::createGenesisBlock(), _path, _killExisting) |
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{ |
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} |
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@ -1,12 +1,76 @@ |
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#ifndef CANONBLOCKCHAIN_H |
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#define CANONBLOCKCHAIN_H |
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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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class CanonBlockChain |
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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 CanonBlockChain.h
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#pragma once |
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#pragma warning(push) |
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#pragma warning(disable: 4100 4267) |
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#include <leveldb/db.h> |
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#pragma warning(pop) |
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#include <mutex> |
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#include <libdevcore/Log.h> |
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#include <libdevcore/Exceptions.h> |
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#include <libethcore/CommonEth.h> |
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#include <libethcore/BlockInfo.h> |
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#include <libdevcore/Guards.h> |
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#include "BlockDetails.h" |
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#include "Account.h" |
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#include "BlockQueue.h" |
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#include "BlockChain.h" |
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namespace ldb = leveldb; |
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namespace dev |
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{ |
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namespace eth |
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{ |
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// TODO: Move all this Genesis stuff into Genesis.h/.cpp
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std::map<Address, Account> const& genesisState(); |
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/**
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* @brief Implements the blockchain database. All data this gives is disk-backed. |
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* @threadsafe |
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* @todo Make not memory hog (should actually act as a cache and deallocate old entries). |
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*/ |
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class CanonBlockChain: public BlockChain |
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{ |
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public: |
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CanonBlockChain(); |
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~CanonBlockChain(); |
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CanonBlockChain(bool _killExisting = false): CanonBlockChain(std::string(), _killExisting) {} |
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CanonBlockChain(std::string _path, bool _killExisting = false); |
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~CanonBlockChain() {} |
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/// @returns the genesis block header.
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static BlockInfo const& genesis() { UpgradableGuard l(x_genesis); if (!s_genesis) { auto gb = createGenesisBlock(); UpgradeGuard ul(l); s_genesis.reset(new BlockInfo); s_genesis->populate(&gb); } return *s_genesis; } |
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/// @returns the genesis block as its RLP-encoded byte array.
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/// @note This is slow as it's constructed anew each call. Consider genesis() instead.
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static bytes createGenesisBlock(); |
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private: |
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/// Static genesis info and its lock.
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static boost::shared_mutex x_genesis; |
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static std::unique_ptr<BlockInfo> s_genesis; |
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}; |
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#endif // CANONBLOCKCHAIN_H
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} |
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} |
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