liquidity_pool.hpp

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/*
 * Copyright (c) 2020 Abit More, and contributors.
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#pragma once
#include <graphene/protocol/base.hpp>
#include <graphene/protocol/asset.hpp>

namespace graphene { namespace protocol {

   struct liquidity_pool_create_operation : public base_operation
   {
      struct fee_parameters_type { uint64_t fee = 50 * GRAPHENE_BLOCKCHAIN_PRECISION; };

      asset           fee;                         
      account_id_type account;                     
      asset_id_type   asset_a;                     
      asset_id_type   asset_b;                     
      asset_id_type   share_asset;                 
      uint16_t        taker_fee_percent = 0;       
      uint16_t        withdrawal_fee_percent = 0;  

      extensions_type extensions;  

      account_id_type fee_payer()const { return account; }
      void            validate()const;
   };

   struct liquidity_pool_delete_operation : public base_operation
   {
      struct fee_parameters_type { uint64_t fee = 0; };

      asset                    fee;                
      account_id_type          account;            
      liquidity_pool_id_type   pool;               

      extensions_type extensions;  

      account_id_type fee_payer()const { return account; }
      void            validate()const;
   };

   struct liquidity_pool_deposit_operation : public base_operation
   {
      struct fee_parameters_type { uint64_t fee = GRAPHENE_BLOCKCHAIN_PRECISION / 10; };

      asset                    fee;                
      account_id_type          account;            
      liquidity_pool_id_type   pool;               
      asset                    amount_a;           
      asset                    amount_b;           

      extensions_type extensions;  

      account_id_type fee_payer()const { return account; }
      void            validate()const;
   };

   struct liquidity_pool_withdraw_operation : public base_operation
   {
      struct fee_parameters_type { uint64_t fee = 5 * GRAPHENE_BLOCKCHAIN_PRECISION; };

      asset                    fee;                
      account_id_type          account;            
      liquidity_pool_id_type   pool;               
      asset                    share_amount;       

      extensions_type extensions;  

      account_id_type fee_payer()const { return account; }
      void            validate()const;
   };

   struct liquidity_pool_exchange_operation : public base_operation
   {
      struct fee_parameters_type { uint64_t fee = 1 * GRAPHENE_BLOCKCHAIN_PRECISION; };

      asset                    fee;                
      account_id_type          account;            
      liquidity_pool_id_type   pool;               
      asset                    amount_to_sell;     
      asset                    min_to_receive;     

      extensions_type extensions;  

      account_id_type fee_payer()const { return account; }
      void            validate()const;
   };

} } // graphene::protocol

FC_REFLECT( graphene::protocol::liquidity_pool_create_operation::fee_parameters_type, (fee) )
FC_REFLECT( graphene::protocol::liquidity_pool_delete_operation::fee_parameters_type, (fee) )
FC_REFLECT( graphene::protocol::liquidity_pool_deposit_operation::fee_parameters_type, (fee) )
FC_REFLECT( graphene::protocol::liquidity_pool_withdraw_operation::fee_parameters_type, (fee) )
FC_REFLECT( graphene::protocol::liquidity_pool_exchange_operation::fee_parameters_type, (fee) )

FC_REFLECT( graphene::protocol::liquidity_pool_create_operation,
            (fee)(account)(asset_a)(asset_b)(share_asset)
            (taker_fee_percent)(withdrawal_fee_percent)(extensions) )
FC_REFLECT( graphene::protocol::liquidity_pool_delete_operation,
            (fee)(account)(pool)(extensions) )
FC_REFLECT( graphene::protocol::liquidity_pool_deposit_operation,
            (fee)(account)(pool)(amount_a)(amount_b)(extensions) )
FC_REFLECT( graphene::protocol::liquidity_pool_withdraw_operation,
            (fee)(account)(pool)(share_amount)(extensions) )
FC_REFLECT( graphene::protocol::liquidity_pool_exchange_operation,
            (fee)(account)(pool)(amount_to_sell)(min_to_receive)(extensions) )

GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_create_operation::fee_parameters_type )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_delete_operation::fee_parameters_type )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_deposit_operation::fee_parameters_type )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_withdraw_operation::fee_parameters_type )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_exchange_operation::fee_parameters_type )

GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_create_operation )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_delete_operation )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_deposit_operation )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_withdraw_operation )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::liquidity_pool_exchange_operation )