78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
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#include <graphene/chain/exceptions.hpp>
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#include <graphene/chain/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 <algorithm>
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namespace graphene { namespace chain {
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pts_address::pts_address()
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{
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memset( addr.data, 0, sizeof(addr.data) );
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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(), sizeof(addr) ) );
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if( !is_valid() )
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{
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FC_THROW_EXCEPTION( invalid_pts_address, "invalid pts_address ${a}", ("a", base58str) );
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}
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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(dat.data, sizeof(dat) );
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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(dat.data, sizeof(dat) );
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}
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auto rep = fc::ripemd160::hash((char*)&sha2,sizeof(sha2));
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addr.data[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, sizeof(addr) );
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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::chain::pts_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::pts_address& vo )
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{
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vo = graphene::chain::pts_address( var.as_string() );
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}
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}
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