105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
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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/protocol/pts_address.hpp>
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#include <fc/crypto/base58.hpp>
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#include <fc/crypto/elliptic.hpp>
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#include <fc/crypto/ripemd160.hpp>
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#include <fc/io/raw.hpp>
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#include <algorithm>
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namespace graphene { namespace protocol {
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pts_address::pts_address()
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{
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memset( addr.data(), 0, addr.size() );
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}
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pts_address::pts_address( const std::string& base58str )
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{
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std::vector<char> v = fc::from_base58( fc::string(base58str) );
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if( v.size() )
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memcpy( addr.data(), v.data(), std::min<size_t>( v.size(), addr.size() ) );
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FC_ASSERT(is_valid(), "invalid pts_address ${a}", ("a", base58str));
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}
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pts_address::pts_address( const fc::ecc::public_key& pub, bool compressed, uint8_t version )
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{
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fc::sha256 sha2;
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if( compressed )
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{
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auto dat = pub.serialize();
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sha2 = fc::sha256::hash((char*) dat.data(), dat.size() );
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}
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else
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{
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auto dat = pub.serialize_ecc_point();
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sha2 = fc::sha256::hash((char*) dat.data(), dat.size() );
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}
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auto rep = fc::ripemd160::hash((char*)&sha2,sizeof(sha2));
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addr[0] = version;
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memcpy( addr.data() + 1, (char*)&rep, sizeof(rep) );
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auto check = fc::sha256::hash( addr.data(), sizeof(rep)+1 );
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check = fc::sha256::hash(check);
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memcpy( addr.data() + 1 + sizeof(rep), (char*)&check, 4 );
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}
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/**
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* Checks the address to verify it has a
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* valid checksum
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*/
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bool pts_address::is_valid()const
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{
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auto check = fc::sha256::hash( addr.data(), sizeof(fc::ripemd160)+1 );
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check = fc::sha256::hash(check);
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return memcmp( addr.data() + 1 + sizeof(fc::ripemd160), (char*)&check, 4 ) == 0;
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}
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pts_address::operator std::string()const
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{
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return fc::to_base58( addr.data(), addr.size() );
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}
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} } // namespace graphene
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namespace fc
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{
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void to_variant( const graphene::protocol::pts_address& var, variant& vo, uint32_t max_depth )
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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::protocol::pts_address& vo, uint32_t max_depth )
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{
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vo = graphene::protocol::pts_address( var.as_string() );
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}
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namespace raw {
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template void pack( datastream<size_t>& s, const graphene::protocol::pts_address& tx,
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uint32_t _max_depth=FC_PACK_MAX_DEPTH );
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template void pack( datastream<char*>& s, const graphene::protocol::pts_address& tx,
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uint32_t _max_depth=FC_PACK_MAX_DEPTH );
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template void unpack( datastream<const char*>& s, graphene::protocol::pts_address& tx,
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uint32_t _max_depth=FC_PACK_MAX_DEPTH );
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} } // fc::raw
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