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60f27178b8
Source files are moved between modules, includes changed and added, and some code rewritten, with the goal of reducing cross-module dependencies and eliminating cycles in the dependency graph of classes. * Remove RippleAddress dependency in CKey_test * ByteOrder.h, Blob.h, and strHex.h are moved to basics/. This makes the basics/ module fully independent of other ripple sources. * types/ is merged into protocol/. The protocol module now contains all primitive types specific to the Ripple protocol. * Move ErrorCodes to protocol/ * Move base_uint to basics/ * Move Base58 to crypto/ * Remove dependence on Serializer in GenerateDeterministicKey * Eliminate unity header json.h * Remove obsolete unity headers * Remove unnecessary includes
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_PROTOCOL_RIPPLEPUBLICKEY_H_INCLUDED
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#define RIPPLE_PROTOCOL_RIPPLEPUBLICKEY_H_INCLUDED
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#include <ripple/crypto/Base58.h>
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#include <algorithm>
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#include <array>
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#include <cstdint>
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#include <iterator>
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#include <ostream>
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#include <stdexcept>
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#include <beast/cxx14/type_traits.h> // <type_traits>
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namespace ripple {
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// Simplified public key that avoids the complexities of RippleAddress
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class RipplePublicKey
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{
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private:
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std::array<std::uint8_t, 33> data_;
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public:
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/** Construct from a range of unsigned char. */
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template <class FwdIt, class = std::enable_if_t<std::is_same<unsigned char,
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typename std::iterator_traits<FwdIt>::value_type>::value>>
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RipplePublicKey (FwdIt first, FwdIt last);
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template <class = void>
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std::string
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to_string() const;
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friend
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bool
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operator< (RipplePublicKey const& lhs, RipplePublicKey const& rhs)
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{
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return lhs.data_ < rhs.data_;
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}
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friend
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bool
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operator== (RipplePublicKey const& lhs, RipplePublicKey const& rhs)
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{
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return lhs.data_ == rhs.data_;
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}
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};
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template <class FwdIt, class>
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RipplePublicKey::RipplePublicKey (FwdIt first, FwdIt last)
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{
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assert(std::distance(first, last) == data_.size());
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// VFALCO TODO Use 4-arg copy from C++14
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std::copy (first, last, data_.begin());
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}
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template <class>
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std::string
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RipplePublicKey::to_string() const
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{
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// The expanded form of the key is:
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// <type> <key> <checksum>
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std::array <std::uint8_t, 1 + 33 + 4> e;
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e[0] = 28; // node public key type
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std::copy (data_.begin(), data_.end(), e.begin() + 1);
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Base58::fourbyte_hash256 (&*(e.begin() + 34), e.data(), 34);
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// Convert key + checksum to little endian with an extra pad byte
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std::array <std::uint8_t, 4 + 33 + 1 + 1> le;
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std::reverse_copy (e.begin(), e.end(), le.begin());
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le.back() = 0; // make BIGNUM positive
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return Base58::raw_encode (le.data(),
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le.data() + le.size(), Base58::getRippleAlphabet());
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}
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inline
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std::ostream&
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operator<< (std::ostream& os, RipplePublicKey const& k)
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{
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return os << k.to_string();
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}
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}
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#endif
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