8ec87b404f
Enhance secondary_index by distinguishing between previous objects loaded from persistence versus new objects created during the session
117 lines
4.1 KiB
C++
117 lines
4.1 KiB
C++
#pragma once
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#include <graphene/chain/types.hpp>
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#include <graphene/protocol/operations.hpp>
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#include <graphene/db/generic_index.hpp>
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namespace graphene
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{
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namespace chain
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{
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class database;
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struct by_expiration_date
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{
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};
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class offer_object : public graphene::db::abstract_object<offer_object>
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{
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public:
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static const uint8_t space_id = protocol_ids;
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static const uint8_t type_id = offer_object_type;
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account_id_type issuer;
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set<nft_id_type> item_ids;
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optional<account_id_type> bidder;
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optional<asset> bid_price;
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asset minimum_price;
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asset maximum_price;
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bool buying_item;
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fc::time_point_sec offer_expiration_date;
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offer_id_type get_id() const { return id; }
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};
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class offer_history_object
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: public graphene::db::abstract_object<offer_history_object>
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{
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public:
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static const uint8_t space_id = implementation_ids;
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static const uint8_t type_id = impl_offer_history_object_type;
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account_id_type issuer;
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set<nft_id_type> item_ids;
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optional<account_id_type> bidder;
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optional<asset> bid_price;
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asset minimum_price;
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asset maximum_price;
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bool buying_item;
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fc::time_point_sec offer_expiration_date;
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result_type result;
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offer_history_id_type get_id() const { return id; }
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};
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class offer_item_index : public secondary_index
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{
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public:
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virtual void object_loaded(const object &obj) override;
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virtual void object_created(const object &obj) override;
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virtual void object_removed(const object &obj) override;
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virtual void about_to_modify(const object &before) override{};
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virtual void object_modified(const object &after) override;
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set<nft_id_type> _locked_items;
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};
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struct compare_by_expiration_date
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{
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bool operator()(const fc::time_point_sec &o1,
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const fc::time_point_sec &o2) const
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{
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return o1 < o2;
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}
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};
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using offer_multi_index_type = multi_index_container<
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offer_object,
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indexed_by<
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ordered_unique<tag<by_id>, member<object, object_id_type, &object::id>>,
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ordered_non_unique<tag<by_expiration_date>,
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member<offer_object, fc::time_point_sec,
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&offer_object::offer_expiration_date>,
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compare_by_expiration_date>>>;
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using offer_history_multi_index_type = multi_index_container<
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offer_history_object,
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indexed_by<
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ordered_unique<tag<by_id>, member<object, object_id_type, &object::id>>,
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ordered_non_unique<tag<by_expiration_date>,
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member<offer_history_object, fc::time_point_sec,
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&offer_history_object::offer_expiration_date>,
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compare_by_expiration_date>>>;
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using offer_index = generic_index<offer_object, offer_multi_index_type>;
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using offer_history_index =
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generic_index<offer_history_object, offer_history_multi_index_type>;
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} // namespace chain
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} // namespace graphene
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MAP_OBJECT_ID_TO_TYPE(graphene::chain::offer_object)
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MAP_OBJECT_ID_TO_TYPE(graphene::chain::offer_history_object)
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FC_REFLECT_DERIVED(graphene::chain::offer_object, (graphene::db::object),
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(issuer)(item_ids)(bidder)(bid_price)(minimum_price)(
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maximum_price)(buying_item)(offer_expiration_date))
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FC_REFLECT_DERIVED(graphene::chain::offer_history_object,
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(graphene::db::object),
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(issuer)(item_ids)(bidder)(bid_price)(minimum_price)(
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maximum_price)(buying_item)(offer_expiration_date)(result))
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