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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file BlockDetails.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <unordered_map>
#include <libdevcore/db.h>
#include <libdevcore/Log.h>
#include <libdevcore/RLP.h>
#include "TransactionReceipt.h"
namespace dev
{
namespace eth
{
// TODO: OPTIMISE: constructors take bytes, RLP used only in necessary classes.
static const unsigned c_bloomIndexSize = 16;
static const unsigned c_bloomIndexLevels = 2;
struct BlockDetails
{
BlockDetails(): number(0), totalDifficulty(0) {}
BlockDetails(unsigned _n, u256 _tD, h256 _p, h256s _c): number(_n), totalDifficulty(_tD), parent(_p), children(_c) {}
BlockDetails(RLP const& _r);
bytes rlp() const;
bool isNull() const { return !totalDifficulty; }
explicit operator bool() const { return !isNull(); }
unsigned number;
u256 totalDifficulty;
h256 parent;
h256s children;
mutable unsigned size;
};
struct BlockLogBlooms
{
BlockLogBlooms() {}
BlockLogBlooms(RLP const& _r) { blooms = _r.toVector<LogBloom>(); size = _r.data().size(); }
bytes rlp() const { bytes r = dev::rlp(blooms); size = r.size(); return r; }
LogBlooms blooms;
mutable unsigned size;
};
struct BlocksBlooms
{
BlocksBlooms() {}
BlocksBlooms(RLP const& _r) { blooms = _r.toArray<LogBloom, c_bloomIndexSize>(); size = _r.data().size(); }
bytes rlp() const { bytes r = dev::rlp(blooms); size = r.size(); return r; }
std::array<LogBloom, c_bloomIndexSize> blooms;
mutable unsigned size;
};
struct BlockReceipts
{
BlockReceipts() {}
BlockReceipts(RLP const& _r) { for (auto const& i: _r) receipts.emplace_back(i.data()); size = _r.data().size(); }
bytes rlp() const { RLPStream s(receipts.size()); for (TransactionReceipt const& i: receipts) i.streamRLP(s); size = s.out().size(); return s.out(); }
TransactionReceipts receipts;
mutable unsigned size;
};
struct BlockHash
{
BlockHash() {}
BlockHash(h256 const& _h): value(_h) {}
BlockHash(RLP const& _r) { value = _r.toHash<h256>(); }
bytes rlp() const { return dev::rlp(value); }
h256 value;
static const unsigned size = 65;
};
struct TransactionAddress
{
TransactionAddress() {}
TransactionAddress(RLP const& _rlp) { blockHash = _rlp[0].toHash<h256>(); index = _rlp[1].toInt<unsigned>(); }
bytes rlp() const { RLPStream s(2); s << blockHash << index; return s.out(); }
explicit operator bool() const { return !!blockHash; }
h256 blockHash;
unsigned index = 0;
static const unsigned size = 67;
};
using BlockDetailsHash = std::unordered_map<h256, BlockDetails>;
using BlockLogBloomsHash = std::unordered_map<h256, BlockLogBlooms>;
using BlockReceiptsHash = std::unordered_map<h256, BlockReceipts>;
using TransactionAddressHash = std::unordered_map<h256, TransactionAddress>;
using BlockHashHash = std::unordered_map<uint64_t, BlockHash>;
using BlocksBloomsHash = std::unordered_map<h256, BlocksBlooms>;
static const BlockDetails NullBlockDetails;
static const BlockLogBlooms NullBlockLogBlooms;
static const BlockReceipts NullBlockReceipts;
static const TransactionAddress NullTransactionAddress;
static const BlockHash NullBlockHash;
static const BlocksBlooms NullBlocksBlooms;
}
}