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86 lines
2.1 KiB
86 lines
2.1 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 Common.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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* Ethereum-specific data structures & algorithms.
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*/
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#pragma once
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#include <libdevcore/Common.h>
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#include <libdevcore/FixedHash.h>
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#include <libdevcrypto/Common.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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/// Current protocol version.
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extern const unsigned c_protocolVersion;
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/// Current database version.
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extern const unsigned c_databaseVersion;
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/// Current database version.
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extern const unsigned c_ethashVersion;
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/// User-friendly string representation of the amount _b in wei.
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std::string formatBalance(bigint const& _b);
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/// Get information concerning the currency denominations.
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std::vector<std::pair<u256, std::string>> const& units();
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/// The log bloom's size (2048-bit).
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using LogBloom = h2048;
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/// Many log blooms.
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using LogBlooms = std::vector<LogBloom>;
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template <size_t n> inline u256 exp10()
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{
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return exp10<n - 1>() * u256(10);
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}
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template <> inline u256 exp10<0>()
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{
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return u256(1);
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}
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// The various denominations; here for ease of use where needed within code.
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static const u256 ether = exp10<18>();
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static const u256 finney = exp10<15>();
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static const u256 szabo = exp10<12>();
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static const u256 wei = exp10<0>();
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using Nonce = h64;
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using BlockNumber = unsigned;
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static const BlockNumber LatestBlock = (BlockNumber)-2;
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static const BlockNumber PendingBlock = (BlockNumber)-1;
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enum class RelativeBlock: BlockNumber
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{
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Latest = LatestBlock,
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Pending = PendingBlock
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};
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}
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}
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