113 lines
4.5 KiB
C++
113 lines
4.5 KiB
C++
/*
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* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
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*
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* The MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#pragma once
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#include <graphene/protocol/base.hpp>
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#include <graphene/protocol/asset.hpp>
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#include <graphene/protocol/memo.hpp>
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namespace graphene { namespace protocol {
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/**
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* @ingroup operations
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*
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* @brief Transfers an amount of one asset from one account to another
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*
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* Fees are paid by the "from" account
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*
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* @pre amount.amount > 0
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* @pre fee.amount >= 0
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* @pre from != to
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* @post from account's balance will be reduced by fee and amount
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* @post to account's balance will be increased by amount
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* @return n/a
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*/
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struct transfer_operation : public base_operation
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{
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struct fee_parameters_type {
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uint64_t fee = 20 * GRAPHENE_BLOCKCHAIN_PRECISION;
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uint32_t price_per_kbyte = 10 * GRAPHENE_BLOCKCHAIN_PRECISION; /// only required for large memos.
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};
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asset fee;
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/// Account to transfer asset from
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account_id_type from;
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/// Account to transfer asset to
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account_id_type to;
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/// The amount of asset to transfer from @ref from to @ref to
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asset amount;
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/// User provided data encrypted to the memo key of the "to" account
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optional<memo_data> memo;
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extensions_type extensions;
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account_id_type fee_payer()const { return from; }
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void validate()const;
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share_type calculate_fee(const fee_parameters_type& k)const;
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};
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/**
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* @class override_transfer_operation
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* @brief Allows the issuer of an asset to transfer an asset from any account to any account if they have override_authority
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* @ingroup operations
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*
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* @pre amount.asset_id->issuer == issuer
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* @pre issuer != from because this is pointless, use a normal transfer operation
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*/
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struct override_transfer_operation : public base_operation
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{
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struct fee_parameters_type {
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uint64_t fee = 20 * GRAPHENE_BLOCKCHAIN_PRECISION;
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uint32_t price_per_kbyte = 10; /// only required for large memos.
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};
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asset fee;
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account_id_type issuer;
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/// Account to transfer asset from
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account_id_type from;
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/// Account to transfer asset to
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account_id_type to;
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/// The amount of asset to transfer from @ref from to @ref to
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asset amount;
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/// User provided data encrypted to the memo key of the "to" account
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optional<memo_data> memo;
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extensions_type extensions;
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account_id_type fee_payer()const { return issuer; }
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void validate()const;
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share_type calculate_fee(const fee_parameters_type& k)const;
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};
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}} // graphene::protocol
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FC_REFLECT( graphene::protocol::transfer_operation::fee_parameters_type, (fee)(price_per_kbyte) )
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FC_REFLECT( graphene::protocol::override_transfer_operation::fee_parameters_type, (fee)(price_per_kbyte) )
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FC_REFLECT( graphene::protocol::override_transfer_operation, (fee)(issuer)(from)(to)(amount)(memo)(extensions) )
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FC_REFLECT( graphene::protocol::transfer_operation, (fee)(from)(to)(amount)(memo)(extensions) )
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GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::protocol::transfer_operation::fee_parameters_type )
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GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::protocol::override_transfer_operation::fee_parameters_type )
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GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::protocol::transfer_operation )
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GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::protocol::override_transfer_operation )
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