CN114254370A - Method and device for improving transaction matching degree based on multi-party security privacy calculation - Google Patents
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Abstract
The application provides a method, a device and a storage medium for improving transaction matching degree based on multi-party security privacy calculation, wherein the method comprises the following steps: the resource transaction platform decrypts to obtain a technical sub-scheme after calculating the technical scheme sub-data output from the first resource request node according to the multiple energy consumption sub-data and the technical requirement sub-data of the resource providing node based on the multi-party security privacy, and determines a first matching scheme according to the obtained technical requirement sub-data and the matching degree of the technical sub-scheme; sending, by the resource trading platform, the first matching scheme to the resource providing node and a first resource requesting node; the first matching scheme comprises benefit data and a recommendation strategy report; the resource transaction platform sends transaction requests to the resource providing node and the first resource request node; and the resource providing node and the first resource requesting node sign the first intelligent contract after receiving the confirmation message based on the transaction request.
Description
Technical Field
The application relates to the technical field of data processing, in particular to a method and a device for improving transaction matching degree based on multi-party security privacy calculation and a storage medium.
Background
In third-party new energy and carbon and low-carbon technology investment projects and third-party investment financing projects, a technology service party needs to find the energy-saving requirement of an energy-using enterprise firstly and then implement the third-party investment projects, but the project implementation process needs to use data which are not shared by main bodies and use the data, and the technology service party lacks effective process supervision on the data of each main body, so that privacy and safety problems in data sharing and use of different main bodies using energy and carbon data in the process of commercialization application are caused.
In addition, enterprises cannot share energy and carbon data of each other, so that resource transactions cannot be generated between the enterprises on the premise of not exposing privacy, and currently, only online business face-to-face communication is relied on.
Disclosure of Invention
The embodiment of the application provides a method, a device and a storage medium for improving transaction matching degree based on multi-party safe privacy calculation, and can guarantee privacy and safety of data sharing and use of different using subjects of energy and carbon data in a commercial application process.
In a first aspect, an embodiment of the present application provides a method for improving transaction matching degree based on multi-party secure privacy computation, where the method includes:
acquiring node data of a resource providing node, wherein the node data are a plurality of energy consumption subdata and technical requirement subdata which are split from first energy consumption data in a first historical time period of the node data; the energy consumption subdata comprises the energy consumption of the resource providing node, state data of different production flows in the production process, yield data, raw material data, production environment data and local or global emission data; the technical demand subdata comprises technical types, applicable categories, applicable scenes, an information table for judging feasible technologies and investment and financing demand information;
receiving a first message from a first resource requesting node, the first message requesting to acquire node data from the resource providing node;
sending a public key, a first random number, the multiple pieces of energy consumption subdata and the technical requirement subdata to the first resource request node;
receiving a second random number from the first resource request node, where the second random number is obtained according to an encrypted random number and technical scheme sub-data, the technical scheme sub-data is a technical scheme sub-data selected from the multiple pieces of target scheme sub-data, and the encrypted random number is obtained by encrypting the first random number using a public key;
decrypting the second random number by using a private key to obtain the decrypted technical scheme subdata;
acquiring a technical sub-scheme according to the decrypted technical scheme sub-data;
determining a first matching scheme according to the matching degree of the technical demand sub-data and the technical sub-scheme, wherein the matching degree refers to the degree that the first matching scheme meets the technical sub-scheme of the first resource request node;
the first matching scheme comprises benefit data and a recommendation strategy report; the benefit data comprises investment and financing amount, total investment amount, annual profit rate, return period and investment age limit; the recommended strategy report comprises an online evaluation report, an expert evaluation report, a field investigation evaluation report and a feasibility report;
sending the matching degree of the technical requirement sub-data and the technical sub-scheme, a first matching scheme and a first transaction request to the resource providing node and the first resource requesting node;
signing a first smart contract after receiving confirmation messages based on the first transaction request from the resource providing node and the first resource requesting node; the first intelligent contract comprises an evaluation module support for forming a first matching scheme, and technology, supply and demand matching degree;
in some embodiments, the resource transaction platform obtains investment and financing demand subdata of the first matching scheme, where the investment and financing demand subdata includes a technical type, an investment and financing profitability, a return requirement, an investment and financing amount, a return period, and an investment and financing time requirement;
receiving a second message from a second resource request node, the second message being used for requesting to acquire the financing demand;
sending a public key, a third random number and the investment and financing demand subdata to the second resource request node;
receiving a fourth random number from the second resource request node, where the fourth random number is obtained according to an encrypted random number and investment and financing scheme subdata, the investment and financing scheme subdata is a copy of investment and financing scheme subdata selected from the multiple copies of investment and financing scheme subdata, and the encrypted random number is obtained by encrypting the third random number by using a public key;
decrypting the fourth random number by using a private key to obtain decrypted sub-data of the investment and financing scheme;
acquiring a financing sub-scheme according to the decrypted financing scheme sub-data;
determining a second matching scheme according to the matching degree of the investment and financing demand subdata and the investment and financing sub-scheme, wherein the matching degree refers to the degree that the second matching scheme meets the investment and financing sub-scheme of a second resource request node;
sending the matching degree of the investment and financing demand sub-data and the investment and financing sub-scheme, and sending a second matching scheme and a second transaction request to the resource providing node, the first resource request node and the second resource request node;
signing a second smart contract after receiving confirmation messages based on the second transaction request from the resource providing node, the first resource requesting node, and the second resource requesting node
Sending a public key, a third random number and the financing requirement to the second resource request node;
receiving a fourth random number from the second resource request node, where the fourth random number is obtained according to an encrypted random number and financing scheme subdata, the financing scheme subdata is a piece of financing scheme subdata selected from the multiple pieces of financing scheme subdata, and the encrypted random number is obtained by encrypting the third random number by using a public key;
decrypting the fourth random number by using a private key to obtain decrypted financing scheme subdata;
acquiring financing requirements and a financing sub-scheme according to the decrypted sub-data of the financing scheme;
determining a second matching scheme according to the financing demand and the matching degree of the financing sub-scheme, wherein the matching degree is the degree of the second matching scheme meeting the second resource request node;
sending the matching degree of the financing demand and the financing sub-scheme, and sending a second matching scheme and a second transaction request to the resource providing node, the first resource request node and the second resource request node;
and signing a second intelligent contract after receiving confirmation messages based on the second transaction request from the resource providing node, the first resource requesting node and the second resource requesting node.
In some embodiments, the resource providing node and the resource requesting node are both nodes in a blockchain system, and the method further comprises:
receiving second energy consumption data from the resource request node, wherein the second energy consumption data are subdata in the energy consumption data of the resource request node in the second historical period;
calculating the return on investment of target energy and carbon according to the first energy consumption data and the second energy consumption data;
and sending a third message to all nodes in the blockchain system, wherein the third message is a digital resource request and carries the investment earning rate.
In some embodiments, the method further comprises:
and carrying out separate accounting processing and clearing on the nodes participating in energy and carbon investment in the blockchain system based on a consensus mechanism of the blockchain system.
In some embodiments, the method further comprises:
acquiring investment income data and branch accounting data in a second historical period;
and predicting the investment earning rate and the expected accounting data in the future time length according to the investment earning data and the accounting data.
In a second aspect, embodiments of the present application further provide a multi-party secure privacy computing device, including:
the system comprises a receiving and sending module, a data processing module and a data processing module, wherein the receiving and sending module is used for obtaining node data of a resource providing node, and the node data is a plurality of energy consumption subdata and technical requirement subdata which are split from first energy consumption data in a first historical time period of the node data; the energy consumption subdata comprises the energy consumption of the resource providing node, state data of different production flows in the production process, yield data, raw material data, production environment data and local or global emission data; the technical demand subdata comprises technical types, applicable categories, applicable scenes, an information table for judging feasible technologies and investment and financing demand information;
the transceiver module is further configured to receive a first message from a first resource requesting node, where the first message is used to request to acquire node data from the resource providing node;
the processing module is used for obtaining first energy consumption data and technical demand subdata of a user in a first historical time period; splitting the first energy consumption data into a plurality of energy consumption subdata;
the transceiver module is further configured to send a public key, a first random number, and the multiple pieces of energy consumption sub-data to the first resource request node; receiving a second random number from the first resource request node, where the second random number is obtained according to an encrypted random number and technical scheme sub-data, the technical scheme sub-data is a technical scheme sub-data selected from the multiple technical scheme sub-data, and the encrypted random number is obtained by encrypting the first random number using a public key;
the processing module is further configured to decrypt the second random number by using a private key to obtain the decrypted sub-data of the target technical scheme;
acquiring a technical sub-scheme according to the decrypted target scheme sub-data;
determining a first matching scheme according to the matching degree of the technical demand sub-data and the technical sub-scheme, wherein the matching degree refers to the degree that the first matching scheme meets the technical sub-scheme of the first resource request node;
sending the matching scheme to the resource providing node and the first resource requesting node through the transceiver module, wherein the matching scheme comprises benefit data and a recommendation strategy report;
sending a first transaction request to the resource providing node and the first resource requesting node through the transceiver module;
and after the transceiver module receives confirmation messages based on the first transaction request from the resource providing node and the first resource requesting node, signing a first intelligent contract, wherein the first intelligent contract comprises evaluation module support for forming a first matching scheme and technology and supply and demand matching degree.
In some embodiments, the benefit data includes projected energy and carbon savings, return on investment rate, return on investment age, equipment space, installation conditions, construction specifications; the recommendation strategy comprises an automatic generation report, an expert evaluation report, a design research report and a project selectable report.
In some embodiments, the resource providing node and the resource requesting node are both nodes in a blockchain system, and the processing module is further configured to:
receiving second energy consumption data from the resource request node through the transceiver module, wherein the second energy consumption data are energy consumption subdata in the energy consumption data of the resource request node in the second historical period;
calculating the return on investment of target energy and carbon according to the first energy consumption data and the second energy consumption data;
and sending a third message to all nodes in the blockchain system through the transceiver module, wherein the third message is a digital resource request, and the second message carries the return on investment.
In some embodiments, the processing module is further configured to:
and carrying out separate accounting processing and clearing on the nodes participating in energy and carbon investment in the blockchain system based on a consensus mechanism of the blockchain system.
In some embodiments, the processing module is further configured to:
acquiring investment income data and branch accounting data in a second historical period;
and predicting the investment earning rate and the expected accounting data in the future time length according to the investment earning data and the accounting data.
In a third aspect, an embodiment of the present application further provides a processing device, which includes a processor and a memory, where the memory stores a computer program, and when the processor calls the computer program in the memory, the processor executes any of the steps in the method for improving the transaction matching degree based on the multi-party security privacy computation provided in the embodiment of the present application.
In a fourth aspect, embodiments of the present application further provide a computer-readable storage medium, where a plurality of instructions are stored, where the instructions are adapted to be loaded by a processor to perform steps of any method for improving transaction matching degree based on multi-party security privacy computation provided in embodiments of the present application.
From the above, the present application has the following advantageous effects:
on one hand, the data security encryption and distribution system is used for realizing the security sharing of various data related to third-party new energy and carbon and low-carbon technology investment projects, so that the privacy and the security of data sharing and use of different using main bodies of energy and carbon data in the process of commercialization application are guaranteed. On the other hand, the transaction matching degree is improved based on multi-party security privacy calculation, the possibility that enterprises which do not have transaction exchanges can cooperate can be achieved, a matching scheme is determined according to the target requirement and the matching degree of the target scheme, the matching scheme can be matched with the transaction requirements of the enterprises of the two parties, a drainage effect is also achieved, more matching schemes can be achieved among more enterprises, the probability of signing intelligent contracts among the enterprises is further improved, a good matching effect is achieved for both market economic development and the exchanges among the enterprises, and a certain effect of popularization to the other party can be achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for improving transaction matching based on multi-party secure privacy computation according to the present application;
FIG. 2 is a schematic diagram of an architecture of a multi-party secure privacy computing device of the present application;
FIG. 3 is a schematic diagram of a processing apparatus according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description that follows, specific embodiments of the present application will be described with reference to steps and symbols executed by one or more computers, unless otherwise indicated. Accordingly, these steps and operations will be referred to, several times, as being performed by a computer, the computer performing operations involving a processing unit of the computer in electronic signals representing data in a structured form. This operation transforms the data or maintains it at locations in the computer's memory system, which may be reconfigured or otherwise altered in a manner well known to those skilled in the art. The data maintains a data structure that is a physical location of the memory that has particular characteristics defined by the data format. However, while the principles of the application have been described in language specific to above, it is not intended to be limited to the specific form set forth herein, and it will be recognized by those of ordinary skill in the art that various of the steps and operations described below may be implemented in hardware.
The principles of the present application may be employed in numerous other general-purpose or special-purpose computing, communication environments or configurations. Examples of well known computing systems, environments, and configurations that may be suitable for use with the application include, but are not limited to, hand-held telephones, personal computers, servers, multiprocessor systems, microcomputer-based systems, mainframe-based computers, and distributed computing environments that include any of the above systems or devices.
The terms "first", "second", and "third", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.
First, before the embodiments of the present application are described, the relevant contents of the present application about the application background will be described.
The execution main body of the method for improving the transaction matching degree based on the multi-party security privacy calculation can be the device provided by the application, or processing Equipment such as server Equipment, a physical host, a vehicle-mounted terminal or User Equipment (UE) integrated with the device, wherein the device can be realized in a hardware or software mode, and the UE can be terminal Equipment such as a smart phone, a tablet computer, a notebook computer, a palm computer, a desktop computer or a Personal Digital Assistant (PDA).
The method for improving the transaction matching degree based on the multi-party security privacy calculation provided by the application is introduced in the following.
Private computing may be implemented by a Trusted Execution Environment (TEE) or by Secure multi-party computing (MPC or SMPC). The secure multi-party computing technology is a privacy computing based on various technologies of cryptography and realized by pure software. And trusted roots are not needed among all the participants, so that the security is higher. But is less efficient than TEE-based privacy calculations due to the inclusion of complex cryptographic operations.
The safe multi-party calculation refers to that under the condition of no trusted third party, a plurality of parties cooperatively calculate an agreed function, each party only obtains the calculation result of the party and cannot deduce the input and output data of any other party through the interactive data in the calculation process (unless the function can deduce the input and output of other parties from the input of the function per se)
In the embodiment of the present application, an inadvertent Transfer (OT) is mainly taken as an example, where OT means that a data sending side has n data, a data receiving side receives one of the data, and the data receiving side cannot acquire other data, and the data sending side does not know which data the receiving side selects to receive.
Referring to fig. 1, fig. 1 shows a schematic flow chart of the method for improving transaction matching degree based on multi-party secure privacy computation according to the present application, where the method provided by the present application may specifically include the following steps:
101. the resource providing node obtains multiple energy consumption subdata and technical demand subdata split from first energy consumption data in a first historical time period of the resource providing node; the energy consumption subdata comprises the energy consumption of the resource providing node, state data of different production flows in the production process, yield data, raw material data, production environment data and local or global emission data; the technical demand subdata comprises technical types, applicable categories, applicable scenes, information tables for judging feasible technologies and investment and financing demand information.
102. The resource providing node sends the multiple energy consumption subdata and the technical requirement subdata to a resource transaction platform;
103. the resource transaction platform receives a first message from a first resource request node, wherein the first message is used for requesting to acquire node data from the resource providing node.
104. And the resource transaction platform sends a public key, a first random number, the multiple pieces of energy consumption subdata and the technical requirement subdata to the first resource request node.
105. And the first resource request node sends a second random number to the resource trading platform.
The second random number is obtained according to an encrypted random number and technical scheme subdata, the technical scheme subdata is one technical scheme subdata selected from the plurality of technical scheme subdata, and the encrypted random number is obtained by encrypting the first random number by using a public key.
106. And the resource transaction platform decrypts the second random number by using a private key to obtain the decrypted technical scheme subdata.
107. And the resource transaction platform acquires a technical sub-scheme according to the decrypted technical scheme sub-data.
108. And the resource transaction platform determines a first matching scheme according to the technical requirement sub-data and the matching degree of the technical sub-scheme, wherein the matching degree refers to the degree that the first matching scheme meets the technical sub-scheme of the first resource request node.
The first matching scheme comprises benefit data and one or more selectable technical recommendation strategy reports, the recommendation strategy reports comprise an online evaluation report, an expert evaluation report, a field investigation evaluation report and a feasibility report, the report needs to output the benefit data through a set intelligent algorithm, the report outputs a strategy, and the benefit data comprises investment and financing amount, total investment amount, annual rate of return, return period and investment year through a specific tool module.
Wherein the benefit data comprises energy and carbon expected to be saved, investment earning rate, return on investment years, equipment space, installation conditions and construction technical requirements; the recommendation strategy comprises an automatic generation report, an expert evaluation report, a design research report and a project selectable report
109. And the resource trading platform sends the matching degree of the technical requirement sub-data and the technical sub-scheme, a first matching scheme and a first trading request to the resource providing node and the first resource request node.
110. And the resource transaction platform receives confirmation information of the resource providing node and the first resource request node.
111. The resource providing node and the first resource requesting node sign a first intelligent contract.
The intelligent contract comprises an evaluation module support for forming a matching scheme, and technology, supply and demand matching degree and investment and financing matching.
In some embodiments of the present application, referring to fig. 1, the method provided herein further comprises the steps of:
112. the resource transaction platform obtains investment and financing demand subdata of a first matching scheme, wherein the investment and financing demand subdata comprises a technical type, an investment and financing yield rate, a return requirement, investment and financing amount, a return period and investment and financing time requirements.
113. And receiving a second message from a second resource request node, wherein the second message is used for requesting to acquire the investment and financing demand subdata.
114. And sending a public key, a third random number and the investment and financing demand subdata to the second resource request node.
115. And receiving a fourth random number from the second resource request node, wherein the fourth random number is obtained according to an encrypted random number and investment and financing scheme subdata, the investment and financing scheme subdata is a copy of investment and financing scheme subdata selected from the multiple copies of investment and financing scheme subdata, and the encrypted random number is obtained by encrypting the third random number by using a public key.
116. And decrypting the fourth random number by using a private key to obtain decrypted sub-data of the investment and financing scheme, and obtaining the investment and financing sub-scheme according to the decrypted sub-data of the investment and financing scheme.
117. And determining a second matching scheme according to the matching degree of the investment and financing demand subdata and the investment and financing sub-scheme, wherein the matching degree refers to the degree that the second matching scheme meets the investment and financing sub-scheme of the second resource request node.
118. And sending the matching degree of the financing demand and the financing sub-scheme, the second matching scheme and a second transaction request to the resource providing node, the first resource request node and the second resource request node.
119. The resource transaction platform receives confirmation messages based on the second transaction request from the resource providing node, the first resource requesting node and the second resource requesting node.
120. The resource providing node, the first resource requesting node, and the second resource requesting node sign a second intelligent contract.
Signing a second smart contract after receiving confirmation messages based on the second transaction request from the resource providing node, the first resource requesting node, and the second resource requesting node
In some embodiments of the present application, the resource providing node and the resource requesting node may be all nodes in a blockchain system, and each energy consuming node may also issue a financing demand on line, and analyze an investment profitability, attract more investors to participate, and solve a difficult financing problem of a project, specifically, the method further includes:
receiving second energy consumption data from the resource request node, wherein the second energy consumption data are subdata in the energy consumption data of the resource request node in the second historical period;
calculating the return on investment of target energy and carbon according to the first energy consumption data and the second energy consumption data;
and sending a third message to all nodes in the blockchain system, wherein the third message is a digital resource request and carries the investment earning rate.
In some embodiments of the present application, in order to improve the lack of effective process supervision in the project implementation process, the nodes participating in energy and carbon investment in the blockchain system may be further subjected to separate accounting and clearing based on a consensus mechanism of the blockchain system.
In some embodiments of the application, the problems of monitoring and forecasting investment income and differentiating income after project investment are avoided, and investment income data and accounting data in a second historical period can be acquired; and predicting the investment earning rate and the expected accounting data in the future time length according to the investment earning data and the accounting data.
Compared with the prior art, by adopting the technical scheme of the embodiment of the application, on one hand, the data security encryption and distribution system is used for realizing the security sharing of various data related to third-party new energy and carbon and low-carbon technical investment projects, so that the data sharing and the privacy and the security in use of different using main bodies of a resource party and a requesting party in the process of applying the energy and carbon data to the intelligent contract matching transaction are ensured; on the other hand, the transaction matching degree is improved based on multi-party security privacy calculation, the possibility that enterprises which do not have transaction exchanges can cooperate can be achieved, a matching scheme is determined according to the target requirement and the matching degree of the target scheme, the matching scheme can be matched with the transaction requirements of the enterprises of the two parties, a drainage effect is also achieved, more matching schemes can be achieved among more enterprises, the probability of signing intelligent contracts among the enterprises is further improved, a good matching effect is achieved for both market economic development and the exchanges among the enterprises, and a certain effect of popularization to the other party can be achieved.
Specifically, the embodiments of the present application have the following technical effects:
1. effective project transaction support is provided for third-party new energy and carbon and low-carbon technology investment projects through functions of platformization, online, automatic matching and the like;
2. an energy party and an energy-saving technology service party release requirements and schemes on a platform to quickly reach project bargaining;
3. the financing demand is issued on line, and the investment profitability is analyzed, so that more investors are attracted to participate, and the problem of difficult financing of the project is solved;
4. third-party new energy and carbon and low-carbon technology investment project implementation process management is carried out on line, so that each party in a contract can effectively supervise the project progress;
5. and a third-party online payment platform is used, and capital pool and branch account processing are adopted, so that energy conservation, moisture distribution, rapidness and high efficiency are ensured, and the problem that third-party new energy and carbon and low-carbon technology investment projects are difficult to collect is solved.
To facilitate better implementation of the method of the present application, embodiments of the present application also provide a multi-party secure privacy computing device 20.
Referring to fig. 2, fig. 2 is a schematic structural diagram of the multi-party security privacy computing device 20 according to the present application, wherein the multi-party security privacy computing device 20 specifically includes a multi-party security management module 201, a transceiver module 202, and a processing module 203:
the receiving and sending module 202 is configured to obtain node data of a resource providing node, where the node data is multiple energy consumption sub-data and target requirements split from first energy consumption data in a first historical time period of the node data; the energy consumption subdata comprises the energy consumption of the resource providing node, state data of different production flows in the production process, yield data, raw material data, production environment data and local or global emission data; the target demand includes a contract energy management index
The transceiver module 202 is further configured to receive a first message from a first resource requesting node, where the first message is used to request to acquire node data from the resource providing node;
the processing module 203 is used for obtaining first energy consumption data of the user in a first historical period; splitting the first energy consumption data into a plurality of energy consumption subdata;
the transceiver module 202 is further configured to send a public key, a first random number, and the multiple pieces of energy consumption sub-data to the resource request node; receiving a second random number from the resource request node, wherein the second random number is obtained according to an encrypted random number and target scheme subdata, the target scheme subdata is a set of target scheme subdata selected from the multiple sets of target scheme subdata, and the encrypted random number is obtained by encrypting the first random number by using a public key;
the processing module 203 is further configured to decrypt the second random number by using a private key to obtain the decrypted target scheme sub-data;
acquiring a target sub-scheme according to the decrypted target scheme sub-data;
determining a first matching scheme according to the matching degree of the target requirement and the target sub-scheme;
sending the first matching scheme to a resource trading platform through the transceiver module 202, wherein the first matching scheme comprises benefit data and a recommendation strategy report;
sending a first transaction request to the resource requesting node through the transceiver module 202;
after the transceiver module 202 receives a confirmation message based on the transaction request from the resource requesting node, it signs a first smart contract with the resource requesting node.
In some embodiments, the resource providing node and the resource requesting node are all nodes in a blockchain system, and the processing module 203 is further configured to:
receiving, by the transceiver module 202, second energy consumption data from the resource requesting node, where the second energy consumption data is subdata in the energy consumption data of the resource requesting node in the second history period;
calculating the return on investment of target energy and carbon according to the first energy consumption data and the second energy consumption data;
and sending a third message to all nodes in the blockchain system through the transceiver module 202, where the third message is a digital resource request, and the third message carries the investment earning rate.
In some embodiments, the benefit data includes projected energy and carbon savings, return on investment rate, return on investment age, equipment space, installation conditions, construction specifications; the recommendation strategy comprises an automatic generation report, an expert evaluation report, a design research report and a project selectable report.
In some embodiments, the processing module 203 is further configured to:
and carrying out separate accounting processing and clearing on the nodes participating in energy and carbon investment in the blockchain system based on a consensus mechanism of the blockchain system.
In some embodiments, the processing module 203 is further configured to:
acquiring investment income data and branch accounting data in a second historical period;
and predicting the investment earning rate and the expected accounting data in the future time length according to the investment earning data and the accounting data.
Therefore, in the embodiment of the application, by adopting the technical scheme of the embodiment of the application, on one hand, the data security encryption and distribution system is used to realize the security sharing of various data related to the third-party new energy and carbon and low-carbon technology investment projects, so that the privacy and the security of data sharing and use of different using subjects of energy and carbon data in the process of commercial application are guaranteed; on the other hand, the processing module 203 improves the transaction matching degree based on the multi-party security privacy calculation, so that enterprises which do not have transaction exchanges before can be matched, and determines a matching scheme according to the target requirement and the matching degree of the target scheme, the matching scheme can be matched with the transaction requirements of the enterprises of the two parties, and also has a drainage function, so that more matching schemes can be generated among more enterprises, the probability of signing an intelligent contract among the enterprises is improved, a good matching effect is achieved for both market economic development and the exchanges among the enterprises, and a certain effect of popularization to the opposite party can be achieved.
The present application further provides a processing device, and referring to fig. 3, fig. 3 shows a schematic structural diagram of the processing device of the present application, and specifically, the processing device of the present application includes a processor, and the processor is configured to implement the steps in the embodiment corresponding to fig. 1 when executing the computer program stored in the memory; alternatively, the processor is configured to implement the functions of the modules in the corresponding embodiment of fig. 2 when executing the computer program stored in the memory.
Illustratively, a computer program may be partitioned into one or more modules/units, which are stored in a memory and executed by a processor to accomplish the present application. One or more modules/units may be a series of computer program instruction segments capable of performing certain functions, the instruction segments being used to describe the execution of a computer program in a computer device.
The processing device may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that the illustration is merely an example of a processing device and is not meant to be limiting, and that more or fewer components than those illustrated may be included, or some components may be combined, or different components may be included, for example, the processing device may also include input output devices, network access devices, buses, etc., through which the processor, memory, input output devices, network access devices, etc., are connected.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center for the processing device and the various interfaces and lines connecting the various parts of the overall processing device.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the computer device by executing or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, video data, etc.) created according to the use of the processing device, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The display screen is used for displaying characters of at least one character type output by the input and output unit.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the apparatus, the processing device and the corresponding modules thereof described above may refer to the description in the embodiment corresponding to fig. 1, and are not described herein again in detail.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present application provides a computer-readable storage medium, where a plurality of instructions are stored, and the instructions can be loaded by a processor to execute the steps in the embodiment corresponding to fig. 1 in the present application, and specific operations may refer to the description in the embodiment corresponding to fig. 1, and are not described herein again.
Wherein the computer-readable storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the computer-readable storage medium can execute the steps in the embodiment of the present application corresponding to fig. 1, the beneficial effects that can be achieved in the embodiment of the present application corresponding to fig. 1 can be achieved, and the detailed description is omitted here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for improving transaction matching based on multi-party secure privacy computation is implemented by a resource transaction platform, and comprises the following steps:
acquiring node data of a resource providing node, wherein the node data are a plurality of energy consumption subdata and technical requirement subdata which are split from first energy consumption data in a first historical time period of the node data; the energy consumption subdata comprises the energy consumption of the resource providing node, state data of different production flows in the production process, yield data, raw material data, production environment data and local or global emission data; the technical demand subdata comprises technical types, applicable categories, applicable scenes, an information table for judging feasible technologies and investment and financing demand information;
receiving a first message from a first resource requesting node, the first message requesting to acquire node data from the resource providing node;
sending a public key, a first random number, the multiple pieces of energy consumption subdata and the technical requirement subdata to the first resource request node;
receiving a second random number from the first resource request node, where the second random number is obtained according to an encrypted random number and technical scheme sub-data, the technical scheme sub-data is a technical scheme sub-data selected from the multiple pieces of target scheme sub-data, and the encrypted random number is obtained by encrypting the first random number using a public key;
decrypting the second random number by using a private key to obtain the decrypted technical scheme subdata;
acquiring a technical sub-scheme according to the decrypted technical scheme sub-data;
determining a first matching scheme according to the matching degree of the technical demand sub-data and the technical sub-scheme;
the first matching scheme comprises benefit data and a recommendation strategy report; the benefit data comprises investment and financing amount, total investment amount, annual profit rate, return period and investment age limit; the recommended strategy report comprises an online evaluation report, an expert evaluation report, a field investigation evaluation report and a feasibility report;
sending the matching degree of the technical requirement sub-data and the technical sub-scheme, a first matching scheme and a first transaction request to the resource providing node and the first resource requesting node;
signing a first smart contract after receiving confirmation messages based on the first transaction request from the resource providing node and the first resource requesting node; the first intelligent contract comprises evaluation module support for forming a first matching scheme, and technology and supply and demand matching degree.
2. The method of claim 1, wherein the method is performed by the resource trading platform, the method comprising:
acquiring investment and financing demand subdata of the first matching scheme, wherein the investment and financing demand subdata comprises the technical type, investment and financing yield, return requirements, investment and financing amount, return period and investment and financing time requirements;
receiving a second message from a second resource request node, wherein the second message is used for requesting to acquire the investment and financing demand subdata;
sending a public key, a third random number and the investment and financing demand subdata to the second resource request node;
receiving a fourth random number from the second resource request node, where the fourth random number is obtained according to an encrypted random number and investment and financing scheme subdata, the investment and financing scheme subdata is a copy of investment and financing scheme subdata selected from the multiple copies of investment and financing scheme subdata, and the encrypted random number is obtained by encrypting the third random number by using a public key;
decrypting the fourth random number by using a private key to obtain decrypted sub-data of the investment and financing scheme;
acquiring a financing sub-scheme according to the decrypted financing scheme sub-data;
determining a second matching scheme according to the matching degree of the investment and financing demand subdata and the investment and financing sub-scheme;
sending the matching degree of the investment and financing demand sub-data and the investment and financing sub-scheme, and sending a second matching scheme and a second transaction request to the resource providing node, the first resource request node and the second resource request node;
and signing a second intelligent contract after receiving confirmation messages based on the second transaction request from the resource providing node, the first resource requesting node and the second resource requesting node.
3. The method according to claim 1 or 2, wherein the resource providing node and the first resource requesting node are all nodes in a blockchain system, and the method further comprises:
receiving second energy consumption data from the first resource request node, wherein the second energy consumption data are energy consumption subdata of the first resource request node in the second historical period;
calculating the return on investment of target energy and carbon according to the first energy consumption data and the second energy consumption data;
and sending a third message to all nodes in the blockchain system, wherein the third message is a digital resource request and carries the investment earning rate.
4. The method of claim 3, further comprising:
and carrying out separate accounting processing and clearing on the nodes participating in energy and carbon investment in the blockchain system based on a consensus mechanism of the blockchain system.
5. The method of claim 4, further comprising:
acquiring investment income data and branch accounting data in a second historical period;
and predicting the investment earning rate and the expected accounting data in the future time length according to the investment earning data and the accounting data.
6. A multi-party secure privacy computing device, the multi-party secure privacy computing device comprising:
the system comprises a receiving and sending module, a data processing module and a data processing module, wherein the receiving and sending module is used for obtaining node data of a resource providing node, and the node data is a plurality of energy consumption subdata and technical requirement subdata which are split from first energy consumption data in a first historical time period of the node data; the energy consumption subdata comprises the energy consumption of the resource providing node, state data of different production flows in the production process, yield data, raw material data, production environment data and local or global emission data; the technical demand subdata comprises technical types, applicable categories, applicable scenes, an information table for judging feasible technologies and investment and financing demand information;
the transceiver module is further configured to receive a first message from a first resource requesting node, where the first message is used to request to acquire node data from the resource providing node;
the transceiver module is further configured to send a public key, a first random number, and the multiple pieces of energy consumption sub-data to the first resource request node; receiving a second random number from the first resource request node, where the second random number is obtained according to an encrypted random number and technical scheme sub-data, the technical scheme sub-data is a technical scheme sub-data selected from the multiple technical scheme sub-data, and the encrypted random number is obtained by encrypting the first random number using a public key;
the processing module is further configured to decrypt the second random number by using a private key to obtain the decrypted target scheme sub-data;
acquiring a technical sub-scheme according to the decrypted technical scheme sub-data;
determining a first matching scheme according to the matching degree of the technical demand sub-data and the technical sub-scheme;
sending the first matching scheme to the resource providing node and the first resource requesting node through the transceiver module, wherein the matching scheme comprises benefit data and a recommendation strategy report;
sending a first transaction request to the resource providing node and the first resource requesting node through the transceiver module;
and after the transceiver module receives confirmation messages based on the first transaction request from the resource providing node and the first resource requesting node, signing a first intelligent contract, wherein the first intelligent contract comprises evaluation module support for forming a first matching scheme and technology and supply and demand matching degree.
7. The apparatus of claim 6, wherein the resource providing node and the first resource requesting node are all nodes in a blockchain system, and wherein the processing module is further configured to:
receiving second energy consumption data from the first resource request node through the transceiver module, wherein the second energy consumption data are energy consumption subdata in the energy consumption data of the first resource request node in the second historical period;
calculating the return on investment of target energy and carbon according to the first energy consumption data and the second energy consumption data;
and sending a third message to all nodes in the blockchain system through the transceiver module, wherein the third message is a digital resource request and carries the investment earning rate.
8. The apparatus of claim 7, wherein the processing module is further configured to:
acquiring investment income data and branch accounting data in a second historical period;
and predicting the investment earning rate and the expected accounting data in the future time length according to the investment earning data and the accounting data.
9. A processing device comprising a processor and a memory, the memory having stored therein a computer program, the processor when calling the computer program in the memory performing the method of any of claims 1 to 5.
10. A computer-readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the method of any of claims 1 to 5.
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