CN113628052A - Block chain asset and contract processing method, system and device based on prediction machine - Google Patents
Block chain asset and contract processing method, system and device based on prediction machine Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
Abstract
The invention discloses a block chain asset and contract processing method and system based on a prediction machine, wherein the method comprises the following steps: the assets are uploaded to an IPFS system in a digital mode; the block chain first storage module generates a first intelligent contract control or calls or generates a sub-contract and forms an association relation; the block chain second storage module acquires the basic information of the digital assets from the first storage module to generate a certification voucher, and triggers the first intelligent contract to acquire the certification voucher to generate a second intelligent contract; the first signature module acquires the certification and the basic information of the file to carry out certification and generate an electronic signature, and meanwhile, the first intelligent contract is called and triggered to generate a third intelligent contract; and triggering and calling a third intelligent contract to obtain an electronic signature when the second intelligent contract executes the transaction, wherein the first signature module obtains a source file of the digital asset in the IPFS system through the external intelligent contract. The invention can realize the digital and flexible processing of assets.
Description
Technical Field
The invention belongs to the technical field of block chains, and particularly relates to a block chain asset and contract processing method, system and device based on a prediction machine.
Background
When the DAPP is developed on the blockchain, various forms of data need to be stored in the intelligent contract, but the storage cost on the blockchain is very high, a large amount of handling fees are needed, and the method is only suitable for storing some key small data and is not suitable for large-scale data storage, which is undoubtedly not beneficial to large-scale application of the blockchain. In the process of digitizing assets, electronic contracts, etc., for applications requiring storage of large amounts of text, the expensive storage cost would make it difficult to chain the assets.
The traditional network storage system adopts a centralized storage server to store all data, and the storage server becomes the bottleneck of system performance and cannot meet the requirement of large-scale storage application. The distributed network storage system adopts an expandable system structure, utilizes a plurality of storage servers to share the storage load, and utilizes the position server to position the storage information, thereby not only improving the reliability, the availability and the access efficiency of the system, but also being easy to expand. The IPFS system is a distributed storage network, is a distributed file system, can fragment files, and has the advantages of high safety, high access speed and the like compared with a traditional centralized storage system.
The prediction machine is an interface between the block chain and the outside world, and is a development direction of the block chain technology. For the intelligent contract, the prediction machine is equivalent to the input parameters of the intelligent contract, and the input parameters have direct influence on the output result of the intelligent contract. The intelligent contract based on the blockchain execution platform is usually in a decentralized and non-tamperable network environment, is stored in a blockchain network in a distributed manner and automatically executes activities such as transactions according to trigger conditions, and once the intelligent contract is deployed, the activities cannot be modified, so that the absolute property of a consensus protocol of events such as asset transactions on the blockchain network is ensured, but the problems that the control is difficult, the intelligent contract cannot be flexibly applied according to scenes and the like exist, and the application of the intelligent contract is limited. How to repeatedly operate the intelligent contract to flexibly apply a plurality of processes of the same asset business is always a key problem faced by the intelligent contract.
Disclosure of Invention
Based on the background and the problems in the prior art, the invention designs a block chain asset and contract processing method, system and device based on a prediction machine, which can realize the digital flexible processing of assets. Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
To achieve these objects and other advantages in accordance with the purpose of the invention, a method for processing blockchain assets and contracts based on prediction machines is provided, which comprises the following steps:
converting the assets (in a file form) into deposit slips or documents and uploading the digital assets (in a digital form), namely the digital assets are mainly converted into PDF or TXT format in a picture format, to an IPFS system;
a first storage module of the block chain acquires, generates and stores the basic information of the digital assets, generates a first intelligent contract as a contract controller, and controls or calls or generates a sub-contract;
the block chain second storage module acquires the basic information of the digital assets from the first storage module to generate a certification voucher, and triggers the first intelligent contract to acquire the certification voucher to generate a second intelligent contract;
the first signature module acquires the certification and the basic information of the file to carry out certification and generate an electronic signature, the electronic signature is linked and stored in the signature storage module through a predicting machine, and meanwhile, the first intelligent contract is called to generate a third intelligent contract;
the block chain first storage module binds a first intelligent contract, a second intelligent contract and a third intelligent contract to form an incidence relation, electronic signature updating information is uploaded to the third intelligent contract through a first signature module of the language predicting machine interface, and the first intelligent contract controls or calls or generates one or more of the second intelligent contract and the third intelligent contract;
when the second intelligent contract executes the transaction and needs to be verified, the electronic signature is obtained through the third intelligent contract, when the electronic signature is overdue, the third intelligent contract is triggered through the signature storage module to call the prompter interface to obtain an updated electronic signature, and the first signature module obtains and returns a source file of the digital asset in the IPFS system through the external intelligent contract to verify and update the electronic signature. The first signature module is an authoritative financial authentication center outside the block chain or a transaction market passing authentication and the like, acquires transaction information such as buying and selling of assets and the like, or executes corresponding transaction through a second intelligent contract.
In the scheme, the assets in the IPFS system are digitized and then stored in the IPFS system in a file form, meanwhile, the abstract and the belonging information in the file form are stored in a first storage module of a block chain, and a first intelligent contract containing the abstract is correspondingly generated and used for acquiring the digital assets stored in the IPFS.
Furthermore, the first intelligent contract updates the intelligent contract in response to the requirement of updating the electronic signature of the first signature module, and the first signature module triggers a data flow for acquiring digital asset information on the IPFS system before the external intelligent contract. The intelligent contract function is expanded by the preplan machine, the preplan machine accesses a third intelligent contract to enable a signature storage module on a block chain to bear a first signature module, a data request and data receiving of the first signature module can interact with the third intelligent contract which is butted with the preplan machine in a contract crossing mode, the third intelligent contract which interacts with the preplan machine is responsible for communicating with a second intelligent contract, and meanwhile, the first intelligent contract is communicated with a node service of an IPFS system, namely, a data request event is triggered, and data uploaded by nodes outside the chain is received, so that the interaction of events and data below the chain is completed.
In the above solution, the specific implementation step of obtaining the data flow on the IPFS system includes:
the contract controller is automatically connected with a first intelligent contract and requests data;
subscribing a data request event on a block chain by a prediction machine, and starting node service by the prediction machine outside the chain;
the node service is connected with an IPFS (Internet protocol file system), and the IPFS authenticates and identifies the request type of the node service and responds to the request;
the IPFS system transmits the digital asset data to the language predicting machine interface through the first intelligent contract based on the third intelligent contract based on the node service and returns the digital asset data to the first signature module.
In another aspect, the present invention provides a system for processing a blockchain asset based on a prediction machine, which comprises:
IPFS System: digitalizing the assets, and converting the assets into a deposit slip or a document for storage;
a blockchain first storage module: generating a first intelligent contract; forming an association relation among the first intelligent contract, the second intelligent contract and the third intelligent contract based on a prediction machine; acquiring, generating and storing basic information of the digital assets, and storing abstracts and belonging information in a file form;
a blockchain second storage module: acquiring basic information of the digital assets from the first storage module to generate a certification voucher, triggering a first intelligent contract to acquire the certification voucher, and generating a second intelligent contract;
the signature storage module: acquiring an electronic signature generated by the first signature module, and transmitting the electronic signature to a second storage module through a third intelligent contract;
a first signature module: and acquiring the basic information of the evidence and the asset file based on a prediction machine, transmitting or updating the electronic signature, and triggering an external intelligent contract to acquire a source file of the digital asset in the IPFS system.
The above-described blockchain asset processing system further comprises a predictive-machine-based blockchain contract processing system that, when performing operations on digital assets, triggers respective intelligent contracts, including:
a first intelligent contract: as a contract controller, controlling or calling or generating a sub-contract; acquiring and returning a source file of the digital assets in the IPFS system through a first intelligent contract;
the second intelligent contract: performing a digital asset transaction, i.e. performing an asset digital circulation process;
a third intelligent contract: the binding predicting machine interface acquires the electronic signature and transmits the electronic signature required by the second intelligent contract to execute the transaction;
external intelligent contracts: acquiring a data flow of digital asset information on an IPFS system; the digital asset source file is passed to a first signing module.
In a third aspect, the invention proposes a computer-readable storage medium storing a computer program which, when executed by a processor, implements the method and steps of any of the above.
In a fourth aspect, the present invention provides a prediction machine-based blockchain asset and contract processing apparatus, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor can implement any one of the above methods and steps when executing the computer program.
The invention at least comprises the following beneficial effects:
(1) according to the invention, assets are converted into deposit slips or documents to be uploaded to and stored in the IPFS system, and digital signatures and abstracts are stored in the block chain, so that the storage burden of the block chain is reduced on one hand, and the IPFS system is separated from the block chain system to provide safer and more reliable storage performance on the other hand;
(2) furthermore, the first storage module of the block chain is used for deploying a first intelligent contract as a contract controller, a second storage module generates a second intelligent contract for executing an asset transaction process by controlling or calling or generating a sub-contract, the first signature module can safely and legally acquire asset information and a source file through the language predictive interface and perform comparison authentication or issue a transaction request, and the language predictive interface is used for generating a digital signature of the asset on the block chain, so that the legality of the asset on the block chain is ensured, the asset safety of the second storage module when the second intelligent contract executes transaction is ensured, and the digital circulation and management of the asset are realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings may be obtained according to the drawings without any creative effort, and it is obvious that the concrete implementation flows in the drawings are further specific embodiments of the present invention and fall into the protection scope of the present invention.
FIG. 1 is a block diagram of a predictive engine based blockchain asset and contract processing flow architecture of the present invention;
FIG. 2 is a flow chart of the present invention for obtaining data for an out-of-chain IPFS system;
FIG. 3 is a block chain asset and contract processing overall system diagram based on a prediction machine according to the present invention.
Detailed Description
In order to clearly illustrate the present invention and make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that those skilled in the art can implement the technical solutions in reference to the description text. The technology of the present invention will be described in detail below with reference to the accompanying drawings in conjunction with specific embodiments.
In one embodiment, the present invention provides a method for processing a blockchain asset and a contract based on a prediction machine, and the method implements digital processing of the asset based on a flow structure diagram shown in fig. 1, and includes the following specific implementation steps:
step 1: the assets are converted into deposit slips or documents in a File form and are uploaded to an IPFS (Internet File System) System in a TXT format in a digital asset form (the digital form of the assets is mainly converted into PDF in a picture format or is uploaded to the IPFS System in a TXT format through an OCR (Optical Character Recognition) technology), the assets in the IPFS System are digitized and then stored in the IPFS System in a File form, meanwhile, the summaries and the information in the File form are stored in a first storage module of a block chain, and a first intelligent contract containing the summaries is correspondingly generated for acquiring the digital assets stored in the IPFS;
step 2: the block chain first storage module acquires, generates and stores the basic information of the digital assets, generates a first intelligent contract as a contract controller, and controls or calls or generates sub-contracts comprising a second intelligent contract and a third intelligent contract; and the third intelligent contract binding prediction machine interface updates the intelligent contract in response to the requirement of the first signature module, and the first signature module triggers an external intelligent contract to acquire a data flow of digital asset information on the IPFS system. The prediction machine plays a role in expanding the function of the third intelligent contract and endows the third intelligent contract with the capability of updating the electronic signature of the digital asset, thereby meeting the aim of smoothly executing the transaction by the second intelligent contract. The prediction machine accesses a signature storage module on a third intelligent contract block chain to bear a first signature module, data requests and data receiving related to the first signature module can interact with a third intelligent contract which is butted with the prediction machine in a cross-contract mode, the third intelligent contract which interacts with the prediction machine is responsible for communicating with a second intelligent contract, and meanwhile, the first intelligent contract is in service communication with nodes of an IPFS system, namely, data request events are triggered, and data uploaded by nodes outside the chain are received, so that the events and data interaction under the uplink chain is completed.
As shown in fig. 2, the process of acquiring data on the IPFS system includes the following specific steps:
s21: the contract controller is automatically connected with a first intelligent contract and requests data;
s22: subscribing a data request event on a block chain by a prediction machine, and starting node service by the prediction machine outside the chain;
s23: the node service is connected with an IPFS (Internet protocol file system), and the IPFS authenticates and identifies the request type of the node service and responds to the request;
s24: the IPFS system transmits the digital asset data to the language predicting machine interface through the first intelligent contract based on the third intelligent contract based on the node service and returns the digital asset data to the first signature module.
Step 3: the block chain second storage module acquires the basic information of the digital assets from the first storage module to generate a certification voucher, and triggers the first intelligent contract to acquire the certification voucher to generate a second intelligent contract;
step 4: the first signature module acquires the certification and the basic information of the file to carry out authentication and generate an electronic signature, the electronic signature is stored in the signature storage module through a prompter, and meanwhile, the first intelligent contract is called to generate a third intelligent contract; the first signature module is an authoritative financial authentication center outside the block chain or a transaction market passing authentication and the like, acquires transaction information such as buying and selling of assets and the like, or executes corresponding transaction through a second intelligent contract.
Step 5: the block chain first storage module binds a first intelligent contract, a second intelligent contract and a third intelligent contract to form an incidence relation, electronic signature updating information is uploaded to the third intelligent contract through a first signature module of the language predicting machine interface, and the first intelligent contract controls or calls or generates one or more of the second intelligent contract and the third intelligent contract;
step 6: when the second intelligent contract executes the transaction and verifies, the electronic signature is obtained through the third intelligent contract, when the electronic signature is overdue, the third intelligent contract is triggered through the signature storage module to call the prompter interface to update the electronic signature, and the first signature module obtains and returns the source file of the digital asset in the IPFS system through the external intelligent contract to verify and update the electronic signature.
The embodiment of the present invention further provides a block chain asset and contract processing system based on a predictive machine, as shown in fig. 3, including a block chain asset processing system based on a predictive machine and a contract processing system therein, which specifically includes the following steps:
(A) IPFS System: digitalizing the assets, and converting the assets into a deposit slip or a document for storage;
(B) a blockchain first storage module: generating a first intelligent contract; forming an association relation among the first intelligent contract, the second intelligent contract and the third intelligent contract; acquiring, generating and storing basic information of the digital assets, and storing abstracts and belonging information in a file form; wherein:
a first intelligent contract: as a contract controller, controlling or calling or generating a sub-contract; acquiring and returning a source file of the digital assets in the IPFS system through a first intelligent contract;
(C) a blockchain second storage module: acquiring basic information of the digital assets from the first storage module to generate a certification voucher, triggering a first intelligent contract to acquire the certification voucher, and generating a second intelligent contract; which comprises the following steps:
the second intelligent contract: performing a digital asset transaction, i.e. performing an asset digital circulation process;
(D) the signature storage module: acquiring an electronic signature generated by the first signature module, and transmitting the electronic signature to a second storage module through triggering a third intelligent contract; wherein:
a third intelligent contract: the binding predicting machine interface acquires the electronic signature and transmits the electronic signature required by the second intelligent contract to execute the transaction;
(E) a first signature module: acquiring the evidence and the basic information of the asset file based on a language predicting machine, transmitting or updating an electronic signature, and triggering an external intelligent contract to acquire a source file of the digital asset in the IPFS system; wherein:
external intelligent contracts: acquiring a data flow of digital asset information on an IPFS system; the digital asset source file is passed to a first signing module.
The number of modules and the processing scale described herein are intended to simplify the description of the invention. Applications, modifications and variations of the present invention to a predictive machine-based blockchain asset and contract processing system will be apparent to those skilled in the art.
Based on the same inventive concept, embodiments of the present application also provide a computer-readable storage medium storing a computer program, which when executed by a processor implements the method steps of any one of the above. For the storage medium embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for the relevant points, refer to the partial description of the method embodiment.
Based on the same inventive concept, a block chain asset and contract processing device based on a prediction machine comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes any one of the method steps when executing the computer program.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The embodiments described above are presented to enable a person having ordinary skill in the art to make and use the invention. It will be readily apparent to those skilled in the art that various modifications to the above-described embodiments may be made, and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications to the present invention based on the disclosure of the present invention within the protection scope of the present invention.
Claims (9)
1. A block chain asset and contract processing method based on a prediction machine is characterized by comprising the following steps:
converting the assets into deposit slips or documents and uploading the deposit slips or documents to an IPFS (Internet protocol platform System) in a digital asset form;
a first storage module of the block chain acquires, generates and stores basic information of the digital assets, and generates a first intelligent contract as a contract controller;
the block chain second storage module acquires the basic information of the digital assets from the block chain first storage module to generate a certification voucher, and triggers the first intelligent contract to acquire the certification voucher to generate a second intelligent contract;
the first signature module acquires the certification and the basic information of the file to carry out certification and generate an electronic signature, the electronic signature is linked and stored in the signature storage module through a predicting machine, and meanwhile, the first intelligent contract is called to generate a third intelligent contract;
the block chain first storage module binds the first intelligent contract, the second intelligent contract and the third intelligent contract to form an incidence relation, and the electronic signature updating information is uploaded to the third intelligent contract through the first signature module of the language predicting machine interface;
when the second intelligent contract executes transaction verification, the third intelligent contract is triggered to obtain the electronic signature, when the electronic signature is overdue, the signature storage module triggers the third intelligent contract to call the prompter interface to obtain and update the electronic signature, and the first signature module obtains and returns the source file of the digital asset in the IPFS system through the external intelligent contract to verify and update the electronic signature.
2. The method according to claim 1, wherein the assets in the IPFS system are digitized and then stored in the IPFS system in a file form, and the summary and the related information in the file form are stored in a first storage module of the blockchain, and a first intelligent contract containing the summary is correspondingly generated for acquiring the digital assets for IPFS evidence.
3. The method as claimed in claim 1, wherein the first signing module is bound to the prolog interface, and updates the intelligent contract in response to the requirement of the first signing module for updating the electronic signature, and the first signing module triggers a data flow for acquiring digital asset information on the IPFS system before the external intelligent contract.
4. The method of claim 3, wherein the step of obtaining the data flow on the IPFS system comprises:
the contract controller is automatically connected with a first intelligent contract and requests data;
subscribing a data request event on a block chain by a prediction machine, and starting node service by the prediction machine outside the chain;
the node service is connected with an IPFS (Internet protocol file system), and the IPFS authenticates and identifies the request type of the node service and responds to the request;
the IPFS system transmits the digital asset data to the language predicting machine interface through the first intelligent contract based on the third intelligent contract based on the node service and returns the digital asset data to the first signature module.
5. The method of claim 1, wherein the first signature module is one or more of an authoritative financial certification center outside the blockchain or a certified trading market.
6. A block chain asset processing system based on a prediction machine is characterized by comprising the following specific components:
IPFS System: digitalizing the assets, and converting the assets into a deposit slip or a document for storage;
a blockchain first storage module: generating a first intelligent contract; forming an association relation among the first intelligent contract, the second intelligent contract and the third intelligent contract based on a prediction machine; acquiring, generating and storing basic information of the digital assets, and storing abstracts and belonging information in a file form;
a blockchain second storage module: acquiring basic information of the digital assets from the first storage module to generate a certification voucher, triggering a first intelligent contract to acquire the certification voucher, and generating a second intelligent contract;
the signature storage module: acquiring an electronic signature generated by the first signature module, and transmitting the electronic signature to a second storage module through a third intelligent contract;
a first signature module: and acquiring the basic information of the evidence and the asset file based on a prediction machine, transmitting or updating the electronic signature, and triggering an external intelligent contract to acquire a source file of the digital asset in the IPFS system.
7. The prolog-based blockchain contract processing system of claim 6 wherein said asset processing system triggers a respective intelligent contract when performing an operation on a digital asset, comprising:
a first intelligent contract: as a contract controller, controlling or calling or generating a sub-contract; acquiring and returning a source file of the digital assets in the IPFS system through a first intelligent contract;
the second intelligent contract: performing a digital asset transaction;
a third intelligent contract: the binding predicting machine interface acquires the electronic signature and transmits the electronic signature required by the second intelligent contract to execute the transaction;
external intelligent contracts: acquiring a data flow of digital asset information on an IPFS system; the digital asset source file is passed to a first signing module.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method steps of one of claims 1 to 5.
9. A prediction machine based blockchain asset and contract processing apparatus comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the method steps of any of claims 1 to 5.
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| CN114338536A (en) * | 2022-03-15 | 2022-04-12 | 北京百度网讯科技有限公司 | Scheduling method, device, equipment and medium based on block chain |
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