CN112153124B - Block chain and intelligent contract system cooperation layer design - Google Patents
Block chain and intelligent contract system cooperation layer design Download PDFInfo
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- CN112153124B CN112153124B CN202010951821.9A CN202010951821A CN112153124B CN 112153124 B CN112153124 B CN 112153124B CN 202010951821 A CN202010951821 A CN 202010951821A CN 112153124 B CN112153124 B CN 112153124B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The invention provides a block chain and intelligent contract system cooperation layer design, which mainly solves the communication and cooperation problems among a plurality of block chain systems, intelligent contract systems, language prediction machine systems and the like in an inter-chain network architecture. The overall architecture is provided with a plurality of systems, registration needs to be carried out on a cooperation layer, the cooperation layer identifies each system and node and records task information executed by the system, when cooperation is needed among the systems, a request is firstly sent to the cooperation layer, the cooperation layer inquires corresponding system data and then returns, the system can establish communication, and the cooperation layer records cooperation tasks and carries out cooperation management in a unified mode. The collaboration layer uses blockchains for data storage and may provide supervisory functions. The cooperation layer can carry out distributed extension, and the cooperation function is realized by multiple cooperation layers.
Description
Technical Field
The invention belongs to the technical field of a block chain technology and an inter-link network, and particularly relates to an inter-link network basic technology for communicating and managing a block chain system, an intelligent contract system and a prediction machine by using a standardized collaboration layer.
Background
The block chain is a distributed account book system, is commonly maintained by a plurality of nodes, and is characterized by being not easy to tamper, difficult to forge and traceable. The blockchain records all information of the transaction, and once data enters the blockchain, even an internal worker cannot make any change in the blockchain. This unalterable feature comes not from using some kind of operation, but from the block chain system and mechanism itself. This makes the use of block-chaining techniques simpler and more efficient than other security techniques. The blockchain technique can be used in places where fairness, fairness and honesty are needed.
Intelligent contracts are divided into two categories, one with legal power, i.e., actual intelligent contracts, one called on-chain code, which is code that runs on top of a blockchain, with no legal power. The intelligent contract discussed in the invention contains both meanings, and allows credible transaction without a third party, and traceability and irreversible conversion of the intelligent contract are ensured by a block chain. Generally, after an intelligent contract transaction enters a blockchain system, the intelligent contract transaction is executed through an intelligent contract module, data after execution is jointly identified and linked through the blockchain, and the whole process is operated in one blockchain and one corresponding intelligent contract system.
The "certain condition (or fact)" triggering the intelligent contract may be information on the chain or information on the outside world. As smart contracts become more closely tied to a particular industry, the vast majority of the "certain conditions (or facts)" that trigger smart contracts come from not the linked world, but the real world. The world and the real world on a block chain are incompatible, and a bridge for two-world communication is urgently needed, and the mechanism or platform is called a prediction machine. The Oracle Mechanism (Oracle) provides a part of data basis for the execution of the intelligent contract, and the definition of the intelligent contract system is as follows: a trusted interaction mechanism and a trusted interaction platform with the external world are provided for the intelligent contract, and a trusted data gateway is established between a blockchain and the external world (such as the Internet) to break the constraint of acquiring data by the intelligent contract.
In actual production, business logic of an application system may be extremely complex, data input may also come from different systems or services, complex applications with multiple links cannot be processed by using a single intelligent contract system and a block chain book, and a plurality of block chain systems, a plurality of intelligent contract systems and a plurality of prediction machines are required to cooperate to form a complex inter-link network system architecture. Therefore, the invention provides a design method of a collaboration layer, which enables a plurality of block chain systems, intelligent contract systems and prediction machines to carry out standardized communication and collaboration.
Disclosure of Invention
The invention provides a block chain and intelligent contract system cooperation layer design, which mainly solves the communication and cooperation problems among a plurality of block chain systems, intelligent contract systems, language prediction machines and the like in an inter-chain network architecture.
The design method provided by the invention comprises the following steps:
(1) there are N (N =0,1, … …) blockchain systems, M (M =0,1, … …) intelligent contract systems, and L (L =0,1, … …) prophetic machine systems in the overall architecture, M + N + L > 1;
(2) 1 or more nodes exist in each blockchain system, 1 or more nodes exist in each intelligent contract system, and 1 or more nodes exist in each prediction machine system;
(3) block chain nodes and systems, intelligent contract nodes and systems, and prediction machine nodes and systems need to be registered in a cooperation layer;
(4) the cooperation layer can determine the positioning and the subordination relation of the nodes and the system through the following three-dimensional coordinates:
(4.1) the cooperation layer provides unique type identification for the three types of systems, namely a blockchain system, an intelligent contract system and a prediction machine system;
(4.2) the collaboration layer provides unique system identification for different systems;
(4.3) the cooperation layer provides a unique node identification for each registered node;
(5) the cooperation layer can establish communication connection with all registered systems and nodes;
(6) the cooperation layer establishes the mapping of the task and a system executing the task;
(7) the collaboration layer provides a series of standardized interfaces for collaboration management:
(7.1) node and system registration, change or logout;
(7.2) system task registration or system task change;
(7.3) inquiring system and node information corresponding to the task;
(7.4) broadcasting the change;
(8) the cooperation layer uses block chains or non-block chains for data storage.
Further, different identifications in step (4) are illustrated: in one embodiment, there are two blockchain systems to cooperate, the blockchain system labeled BC. Each system has 4 nodes, the type identifications of the two systems are the type of the blockchain system, in order to distinguish the two systems, the first blockchain system can be marked as a system A which comprises nodes A-1, A-2, A-3 and A-4, and the second system can be marked as a system B which comprises nodes B-1, B-2, B-3 and B-4. The system A, B is an example of an identification of a different system. The three-dimensional coordinates of one of the nodes may be represented as < BC, a-1 >.
Further, the mapping of tasks to systems in step (6) is illustrated: in one embodiment, there is a blockchain system and two intelligent contract systems, the two intelligent contract systems processing different intelligent contracts. The intelligent contract system a processes contracts C1, C2, and the intelligent contract system B processes contract C3. The cooperation layer records the specific contracts processed by different intelligent contract systems, and when the blockchain system has a request for executing C2, the cooperation layer can inquire the communication information of the corresponding system A and return the communication information to the blockchain system.
Further, in the two schemes of storing the collaboration layer in step (8), the non-blockchain is used for storing, that is, the general database is used for storing data, the scheme has high efficiency of storing and querying, but has the problems of data tampering, loss, security and the like, and the blockchain is used for storing, so that the correctness and the security of the data can be ensured, but the storage and query performance has certain loss.
When one system needs other systems to cooperate, the system initiates a cooperation task request to a cooperation layer, the request comprises task information and cooperation object type information, the cooperation layer inquires system task mapping data on a link, corresponding node data is returned, the system sending the request obtains cooperation node data, and cooperation communication can be carried out. The system sending the request stores the collaboration node data and the corresponding tasks locally, and the next collaboration does not need to be inquired to the collaboration layer, and the collaboration node data and the corresponding tasks are directly communicated through locally recorded collaboration end data.
When the task executed by the node is changed, the node needs to submit a change request to the cooperation layer, the cooperation layer updates the mapping relation after receiving the change request, broadcasts the change request to the registered system and nodes, and other systems and nodes inquire and update the node data of the local cooperation task.
When a system node is changed, the system needs to submit a change request to the cooperation layer, the cooperation layer updates the system and node registration information after receiving the change request, broadcasts the system and the node which are registered, and other systems and nodes inquire and update local cooperation task node data.
Furthermore, the cooperation layer can record cooperation requests of all nodes, the cooperation requests comprise cooperation multi-party systems, node information and cooperation task information, and an integral cooperation map is formed.
Further, the cooperative communication may be unidirectional or bidirectional, and the cooperative layer records the unidirectional or bidirectional communication.
Further, the collaboration layer may provide a supervision function for supervising information, task information, collaboration information, etc. of each system and node in the architecture.
Preferably, when the method is applied to a heavyweight architecture, the cooperative layer can be flexibly expanded, and a plurality of cooperative layers are used for jointly completing a cooperative communication function. The functions of all the cooperation layers are consistent, and the cooperation layers can communicate with each other. Each system can select one collaboration layer to register when registering. When a new cooperation requirement occurs, the system sends a request to a registered cooperation layer, the cooperation layer performs relevant processing locally, if no corresponding system or node is found locally, inquiry is initiated to other cooperation layers, the other cooperation layers return inquiry results, and the cooperation layer returns to the system sending the request. Each cooperation layer can also participate in building a block chain system, and a consensus algorithm is added among the cooperation layers to ensure the data consistency of each cooperation layer.
The invention provides a block chain and intelligent contract system cooperation layer design, which is one of the basic architectures of an interconnection network. The invention can flexibly expand the framework of an intelligent contract system corresponding to one block chain in the prior art, and realizes the splitting and load balancing of the service. The blockchain system, the intelligent contract system and the prediction machine system can be added or withdrawn at any time, and the cooperation among different systems cannot fail. The cooperation layer provides uniform management and supervision, and prevents communication or cooperation confusion caused by the fact that the number of systems participating in cooperation is increased continuously. With the continuous expansion of the application field of the block chain, the design method of the invention will become one of the key solutions of the architecture design.
Drawings
FIG. 1 is a schematic diagram of a collaboration layer proposed by the present invention;
FIG. 2 is a schematic diagram of a multi-collaboration layer architecture according to the present invention;
fig. 3 is a schematic diagram of a collaboration relationship stored in a collaboration layer in the embodiment of the present invention.
Detailed description of the preferred embodiments
In the following description, numerous technical details are set forth in order to provide a better understanding of the present application, but it will be apparent to those of ordinary skill in the art that the present invention is not limited to these technical details and that various changes and modifications can be made based on the following embodiments.
In the embodiment, two block chain systems, two intelligent contract systems and two prediction machine systems coexist. Each of the block chain system and the intelligent contract system comprises 4 nodes, and the prediction machine system only comprises 1 node. And each system and node firstly register to the cooperation layer, and the cooperation layer returns the corresponding three-dimensional identification after the registration is finished.
The three types of systems are marked by the collaboration layer as BC (block chain system), SC (intelligent contract system), and OM (predictive machine system). The registered system of the collaboration layer comprises 6 systems, namely BC1, BC2, SC1, SC2, OM1 and OM 2.
Each node of the first block chain system is identified as < BC, BC1, BC1-1>, < BC, BC1, BC1-2> < BC, BC1, BC1-3> < BC, BC1, BC1-4>, and each node of the second block chain system is identified as < BC, BC2, BC2-1>, < BC, BC2, BC2-2> < BC, BC2, BC2-3> < BC, BC2, BC2-4 >. The nodes of the first intelligent contract system are identified as < SC, SC1, SC1-1>, < SC, SC1, SC1-2> < SC, SC1, SC1-3> < SC, SC1, SC1-4>, and the nodes of the second intelligent contract system are identified as < SC, SC2, SC2-1>, < SC, SC2, SC2-2> < SC, SC2, SC2-3> < SC, SC2, SC2-4 >. The prophetic machine node identifications are < OM, OM1, OM1-1>, < OM, OM2 and OM2-1> respectively.
The BC1 system records account data, the BC2 system records transaction data, and after the data are registered in the cooperation layer, the information stored in the cooperation layer is as follows:
tasks={BC1:[account], BC2:[transaction]}
the SC1 system performs account verification, the SC2 system performs transaction processing, and after the transaction processing is registered in the cooperation layer, the information stored in the cooperation layer is as follows:
tasks={BC1:[account], BC2:[transaction], SC1:[accountValidation], SC2:[transfer]}
OM1 collects account personal information, OM2 collects user credit information, and after registering to the collaboration layer, the collaboration layer stores information as follows:
tasks={BC1:[account], BC2:[transaction], SC1:[accountValidation], SC2:[transfer], OM1=[accountInfo], OM2=[credit]}
the recorded tasks of the collaboration layer comprise account, transaction, account validity, transfer, account info and credit.
Data collected by the presidenter needs to be transmitted to an intelligent contract for account verification, OM1 and OM2 respectively initiate a cooperation request for an accountValidation task to a cooperation layer, the cooperation layer returns node information of an SC1 system, and the cooperation relationship is recorded, namely < OM1, SC1, accountValidation >, < OM2, SC1 and accountValidation >.
When the SC1 performs account verification, account information needs to be inquired, an account communication request is initiated to the cooperation layer, the cooperation layer returns BC1 system and node information, and the SC1 establishes communication to the BC 1. The cooperation layer records the cooperation relationship < SC1, BC1, account >. After account verification is carried out on the intelligent contract of the SC1, the result is transmitted to the transaction chain, the cooperation layer is expected to initiate a transaction cooperation request, and the cooperation layer returns BC2 information and records < SC1, BC2 and transaction >.
The BC2 processes transaction data, needs transfer processing through an intelligent contract, and stores the processed result in the BC2, so that the cooperation < BC2, SC2, transfer >, < SC2, BC2, transfer > is created.
The collaboration map saved by the final collaboration layer is shown in fig. 3.
The foregoing is directed to embodiments of the present invention, and it is understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (7)
1. A block chain and intelligent contract system cooperation layer design system is characterized in that:
(1) the whole architecture comprises N blockchain systems, M intelligent contract systems and L prediction machine systems, wherein N =0,1, … …; m =0,1, … …; l =0,1, … …; m + N + L > 1;
(2) 1 or more nodes exist in each blockchain system, 1 or more nodes exist in each intelligent contract system, and 1 or more nodes exist in each prediction machine system;
(3) the block chain node and the block chain system, the intelligent contract node and the intelligent contract system, and the predicting machine node and the predicting machine system need to be registered in a cooperation layer;
(4) the cooperation layer can determine the location and the dependency relationship of the block chain node and the block chain system, the intelligent contract node and the intelligent contract system, and the predictive speaker node and the predictive speaker system through the following three-dimensional coordinates:
(4.1) the cooperation layer provides unique type identification for the three types of systems, namely a blockchain system, an intelligent contract system and a prediction machine system;
(4.2) the cooperation layer provides a unique system identifier for the blockchain system, the intelligent contract system and the prediction machine system;
(4.3) the cooperation layer provides a unique node identification for each registered node;
(5) the cooperation layer can establish communication connection with all registered block chain systems, intelligent contract systems, prediction machine systems, block chain nodes, intelligent contract nodes and prediction machine nodes;
(6) the cooperation layer establishes the mapping of the task and a system executing the task;
(7) the collaboration layer provides a series of standardized interfaces for collaboration management:
(7.1) registering, changing or canceling the block chain node and the block chain system, the intelligent contract node and the intelligent contract system, and the language predicting machine node and the language predicting machine system;
(7.2) task registration of the blockchain system, the intelligent contract system and the predictive machine system or task change of the blockchain system, the intelligent contract system and the predictive machine system;
(7.3) inquiring node information of the block chain system, the intelligent contract system, the predictive machine system and the block chain node, the intelligent contract node and the predictive machine node corresponding to the task;
(7.4) broadcasting the task change;
(8) the cooperation layer uses a blockchain for data storage.
2. The system for designing a block chain and intelligent contract system collaboration layer as claimed in claim 1, wherein: when one of the block chain system, the intelligent contract system and the prediction machine system needs other systems to cooperate, the system initiates a cooperation task request to a cooperation layer, the request comprises task information and cooperation object type information, the cooperation layer inquires system task mapping data on the chain and returns corresponding node data, and the system sending the request obtains the cooperation node data and can carry out cooperation communication; the system sending the request stores the collaboration node data and the corresponding tasks locally, and the next collaboration does not need to be inquired to the collaboration layer, and the collaboration node data and the corresponding tasks are directly communicated through locally recorded collaboration end data.
3. The system for designing a block chain and intelligent contract system collaboration layer as claimed in claim 1, wherein: when the task executed by the node is changed, the node needs to submit a change request to the cooperation layer, the cooperation layer updates the mapping relation after receiving the change request, and inquires and updates the data of the local cooperation task node to the registered block chain system, the intelligent contract system, the predictive machine system and the block chain node, the intelligent contract node and the predictive machine node, and the other block chain system, the intelligent contract system, the predictive machine system and the block chain node, the intelligent contract node and the predictive machine node.
4. The system for designing a block chain and intelligent contract system collaboration layer as claimed in claim 1, wherein: when a block chain node, an intelligent contract node or a predictive machine node is changed, a block chain system, an intelligent contract system or a predictive machine system needs to submit a change request to a cooperation layer, the cooperation layer updates the registration information of the block chain system, the intelligent contract system, the predictive machine system, the block chain node, the intelligent contract node and the predictive machine node after receiving the change request, and broadcasts the registration information to the registered block chain system, the intelligent contract system, the predictive machine system, the block chain node, the intelligent contract node and the predictive machine node, and other block chain systems, the intelligent contract system, the predictive machine system, the block chain node, the intelligent contract node and the predictive machine node inquire and update the data of a local cooperation task node.
5. The system for designing a block chain and intelligent contract system collaboration layer as claimed in claim 1, wherein: the cooperation layer records cooperation requests of all block chain nodes, intelligent contract nodes and prediction machine nodes, and the cooperation requests comprise information and cooperation task information of a cooperation multi-party block chain system, an intelligent contract system, a prediction machine system, the block chain nodes, the intelligent contract nodes and the prediction machine nodes to form an integral cooperation map.
6. The system for designing a block chain and intelligent contract system collaboration layer as claimed in claim 1, wherein: the cooperative layer provides a supervision function, and supervises information, task information and cooperative information of each block chain system, intelligent contract system, prediction machine system, block chain nodes, intelligent contract nodes and prediction machine nodes in the framework.
7. The system according to claim 2, wherein the system comprises: the cooperation layer can be flexibly expanded, and a plurality of cooperation layers are used for jointly completing the cooperation function; all the cooperation layers have consistent functions and can communicate with each other; each block chain system, the intelligent contract system and the prediction machine system can select one of the collaboration layers to register when registering; when a new cooperation requirement occurs, the block chain system, the intelligent contract system and the predictive machine system send a request to a registered cooperation layer, the cooperation layer carries out relevant processing locally, if the corresponding block chain system, the intelligent contract system, the predictive machine system or the block chain node, the intelligent contract node and the predictive machine node are not found locally, inquiry is initiated to other cooperation layers, other cooperation layers return inquiry results, and the cooperation layer returns to the block chain system, the intelligent contract system and the predictive machine system which send the request.
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