46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
#include <graphene/chain/bitcoin_address_evaluator.hpp>
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#include <graphene/chain/database.hpp>
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#include <graphene/chain/exceptions.hpp>
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#include <graphene/chain/bitcoin_address_object.hpp>
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namespace graphene { namespace chain {
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void_result bitcoin_address_create_evaluator::do_evaluate( const bitcoin_address_create_operation& op )
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{
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database& d = db();
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FC_ASSERT( !d.is_sidechain_fork_needed() );
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auto& acc_idx = d.get_index_type<account_index>().indices().get<by_id>();
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auto acc_itr = acc_idx.find( op.owner );
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FC_ASSERT( acc_itr != acc_idx.end() );
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return void_result();
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}
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object_id_type bitcoin_address_create_evaluator::do_apply( const bitcoin_address_create_operation& op )
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{
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database& d = db();
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const auto pw_obj = d.get_latest_PW();
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auto witnesses_keys = pw_obj.address.witnesses_keys;
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const auto& new_btc_address = d.create<bitcoin_address_object>( [&]( bitcoin_address_object& a ) {
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witnesses_keys.erase( --witnesses_keys.end() );
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witnesses_keys.emplace( d.get_sidechain_account_id(), pubkey_from_id( a.id ) );
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a.owner = op.owner;
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a.address = sidechain::btc_multisig_segwit_address( SIDECHAIN_DEFAULT_NUMBER_SIG_MULTISIG, witnesses_keys );
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a.count_invalid_pub_key = 1;
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});
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return new_btc_address.id;
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}
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public_key_type bitcoin_address_create_evaluator::pubkey_from_id( object_id_type id )
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{
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fc::ecc::public_key_data pubkey_data;
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pubkey_data.at( 0 ) = 0x02; // version
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const auto hash = fc::sha256::hash( std::to_string( id.instance() ) ) ;
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std::copy( hash.data(), hash.data() + hash.data_size(), pubkey_data.begin() + 1 );
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return public_key_type( pubkey_data );
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}
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} } // namespace graphene::chain
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