peerplays_migrated/libraries/chain/nft_evaluator.cpp
2020-06-18 04:52:58 +02:00

87 lines
2.6 KiB
C++

#include <graphene/chain/nft_evaluator.hpp>
#include <graphene/chain/nft_object.hpp>
namespace graphene { namespace chain {
void_result nft_create_evaluator::do_evaluate( const nft_create_operation& op )
{ try {
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
object_id_type nft_create_evaluator::do_apply( const nft_create_operation& op )
{ try {
const auto& new_nft_object = db().create<nft_object>( [&]( nft_object& obj ){
obj.owner = op.owner;
obj.approved_operators = op.approved_operators;
obj.metadata = op.metadata;
});
return new_nft_object.id;
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result nft_safe_transfer_from_evaluator::do_evaluate( const nft_safe_transfer_from_operation& op )
{ try {
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
object_id_type nft_safe_transfer_from_evaluator::do_apply( const nft_safe_transfer_from_operation& op )
{ try {
const auto& idx = db().get_index_type<nft_index>().indices().get<by_id>();
auto itr = idx.find(op.token_id);
if (itr != idx.end())
{
db().modify(*itr, [&op](nft_object &obj) {
obj.owner = op.to;
obj.approved_operators.clear();
});
}
return op.token_id;
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result nft_approve_evaluator::do_evaluate( const nft_approve_operation& op )
{ try {
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
object_id_type nft_approve_evaluator::do_apply( const nft_approve_operation& op )
{ try {
const auto& idx = db().get_index_type<nft_index>().indices().get<by_id>();
auto itr = idx.find(op.token_id);
if (itr != idx.end())
{
db().modify(*itr, [&op](nft_object &obj) {
obj.approved_operators.push_back(op.approved);
});
}
return op.token_id;
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result nft_set_approval_for_all_evaluator::do_evaluate( const nft_set_approval_for_all_operation& op )
{ try {
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result nft_set_approval_for_all_evaluator::do_apply( const nft_set_approval_for_all_operation& op )
{ try {
const auto &idx = db().get_index_type<nft_index>().indices().get<by_owner>();
const auto &idx_range = idx.equal_range(op.owner);
std::for_each(idx_range.first, idx_range.second, [&](const nft_object &obj) {
db().modify(obj, [&op](nft_object &obj) {
if (op.approved) {
obj.approved_operators.push_back(op.operator_);
} else {
//
}
});
});
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
} } // graphene::chain