102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
/*
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* Copyright (c) 2015, Cryptonomex, Inc.
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* All rights reserved.
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*
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* This source code is provided for evaluation in private test networks only, until September 8, 2015. After this date, this license expires and
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* the code may not be used, modified or distributed for any purpose. Redistribution and use in source and binary forms, with or without modification,
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* are permitted until September 8, 2015, provided that the following conditions are met:
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*
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* 1. The code and/or derivative works are used only for private test networks consisting of no more than 10 P2P nodes.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <graphene/chain/address.hpp>
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#include <graphene/chain/types.hpp>
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#include <fc/crypto/elliptic.hpp>
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#include <fc/crypto/base58.hpp>
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#include <algorithm>
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namespace graphene {
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namespace chain {
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address::address(){}
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address::address( const std::string& base58str )
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{
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FC_ASSERT( is_valid( base58str ) );
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std::string prefix( GRAPHENE_ADDRESS_PREFIX );
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std::vector<char> v = fc::from_base58( base58str.substr( prefix.size() ) );
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memcpy( (char*)addr._hash, v.data(), std::min<size_t>( v.size()-4, sizeof( addr ) ) );
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}
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bool address::is_valid( const std::string& base58str, const std::string& prefix )
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{
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const size_t prefix_len = prefix.size();
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if( base58str.size() <= prefix_len )
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return false;
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if( base58str.substr( 0, prefix_len ) != prefix )
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return false;
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std::vector<char> v;
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try
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{
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v = fc::from_base58( base58str.substr( prefix_len ) );
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}
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catch( const fc::parse_error_exception& e )
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{
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return false;
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}
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if( v.size() != sizeof( fc::ripemd160 ) + 4 )
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return false;
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const fc::ripemd160 checksum = fc::ripemd160::hash( v.data(), v.size() - 4 );
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if( memcmp( v.data() + 20, (char*)checksum._hash, 4 ) != 0 )
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return false;
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return true;
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}
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address::address( const fc::ecc::public_key& pub )
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{
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auto dat = pub.serialize();
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addr = fc::ripemd160::hash( fc::sha512::hash( dat.data, sizeof( dat ) ) );
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}
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address::address( const pts_address& ptsaddr )
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{
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addr = fc::ripemd160::hash( (char*)&ptsaddr, sizeof( ptsaddr ) );
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}
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address::address( const fc::ecc::public_key_data& pub )
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{
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addr = fc::ripemd160::hash( fc::sha512::hash( pub.data, sizeof( pub ) ) );
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}
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address::address( const graphene::chain::public_key_type& pub )
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{
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addr = fc::ripemd160::hash( fc::sha512::hash( pub.key_data.data, sizeof( pub.key_data ) ) );
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}
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address::operator std::string()const
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{
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fc::array<char,24> bin_addr;
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memcpy( (char*)&bin_addr, (char*)&addr, sizeof( addr ) );
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auto checksum = fc::ripemd160::hash( (char*)&addr, sizeof( addr ) );
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memcpy( ((char*)&bin_addr)+20, (char*)&checksum._hash[0], 4 );
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return GRAPHENE_ADDRESS_PREFIX + fc::to_base58( bin_addr.data, sizeof( bin_addr ) );
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}
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} } // namespace graphene::chain
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namespace fc
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{
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void to_variant( const graphene::chain::address& var, variant& vo )
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{
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vo = std::string(var);
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}
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void from_variant( const variant& var, graphene::chain::address& vo )
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{
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vo = graphene::chain::address( var.as_string() );
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}
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}
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