113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
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/*
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* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
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*
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* The MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <graphene/chain/protocol/types.hpp>
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#include <graphene/chain/protocol/address.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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std::string prefix( GRAPHENE_ADDRESS_PREFIX );
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FC_ASSERT( is_valid( base58str, prefix ), "${str}", ("str",base58str) );
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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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