CN111429303A - Service platform based on block chain - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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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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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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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
- H04L67/104—Peer-to-peer [P2P] networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
Abstract
The invention discloses a service platform based on a block chain, which comprises the following core modules: the system comprises a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer; the data layer carries out digital abstract and algorithm encryption on the data of the service platform based on the block chain and stores the data in the form of the block chain; the network and the identification layer are based on a P2P network, a delegation rights and interests (DPOS) and Byzantine fault-tolerant BFT identification algorithm is adopted, and on the premise of decentralization, data identification of each block chain node is achieved; the intelligent contract layer comprises a system core contract and an upper layer application custom contract and supports loading and upgrading at any time. The service platform based on the block chain is structurally designed into a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer, and all modules are combined in a plug-in mode and have the characteristics of high availability, low coupling and the like.
Description
Technical Field
The invention relates to a block chain, in particular to a service platform based on the block chain.
Background
The blockchain is a novel application paradigm integrating technologies such as distributed data storage, point-to-point network transmission, a consensus mechanism, an intelligent contract, data encryption and the like. The block chain provides a distributed general ledger technology, and is mainly characterized by decentralization, tamper resistance, traceability, safety and automatic execution of intelligent contracts.
Currently, block chains are being applied to various industries gradually, the technology development is very fast, application cases are extremely fast to appear, and the block chains are distributed in various fields such as finance, traffic, logistics, health, culture, education, intellectual property, internet of things, e-government affairs, smart cities and industry 4.0.
The block chain technology is currently faced with the biggest obstacles of difficult application, and lacks of effective platform, unified standard and convenient open source achievement (although there are already open source projects of etherhouses, hyperlegger and the like) to support the development of multi-service applications in various fields.
At present, the block chain technology is applied more and more in the field of financial science and technology, but in the field of supply chain finance, because of numerous supply chain financial participants, information is asymmetric, and the financing cost of supply chain related enterprises is high, cooperation is difficult, communication cost is high, and trading efficiency is low.
Disclosure of Invention
The present invention is directed to a service platform based on a block chain, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a service platform based on a block chain comprises the following core modules: the system comprises a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer;
the data layer performs digital abstract and algorithm encryption on the data of the service platform based on the block chain, ensures the non-tampering property, the safety and the privacy of the data, and stores the data in the form of the block chain;
the network and the identification layer are based on a P2P network, a delegation rights and interests (DPOS) and Byzantine fault-tolerant BFT identification algorithm is adopted, and on the premise of decentralization, data identification of each block chain node is achieved;
the block link nodes mainly comprise block nodes and synchronous nodes, the number of the nodes is variable, and each node refers to all the nodes. The synchronous nodes composed of other non-core participants synchronize the consensus result of the former;
the intelligent contract layer comprises a system core contract and an upper application custom contract, and supports loading and upgrading at any time;
the system core contract is provided by a service platform based on a block chain and used for system data configuration and modification;
the upper layer application custom contract is loaded and upgraded by upper layer specific services in real time;
the system core contract and the upper layer application custom contract are isolated and executed, have a complete authority management mechanism, upwards meet service requirements, downwards access a platform data layer, and link all operations in real time;
the interface layer comprises an http interface and a websocket interface and is used for opening the function of the bottom layer of the block chain to an upper layer developer for use;
the management layer is combined with other core modules of the service platform based on the block chain to provide additional support functions;
the application layer is various application systems developed on the bottom layer system of the service platform based on the block chain.
As a further preferable scheme of the present invention, the management layer includes a container service module, a log management module, a data management module, an identity privacy module, a supervision and audit module, a cross-chain service module, and a system service module.
As a further preferable scheme of the present invention, the core modules have perfect operation log records, and complete records are performed by the log management module.
As a further preferred scheme of the present invention, the log management module supports real-time query analysis, ensures operation validity and traceability, and all log data support export function; the container service module is an operation and maintenance service of a block chain service bottom technical layer; the data management module is used for managing the block chain data; the identity privacy module comprises the management of accounts, wallets, wallet passwords and secret keys; the supervision auditing module is provided for a supervision auditing department to supervise data; the cross-chain service module is a module for supporting cross-chain.
As a further preferred scheme of the present invention, the system service module includes two parts, namely, system management and system monitoring, and performs management, monitoring and scheduling operations on all modules of the entire service platform based on the block chain.
As a further preferred scheme of the present invention, the identity privacy module includes account management, authority management and key management, and manages a million-level account system, an authority tree system and a key system by combining a hash algorithm and a hardware encryption technology, and after the account, the authority tree and the key are checked and matched by the identity privacy module, a user can access a service platform based on a block chain; the hardware encryption technology is a technology which is different from the technology of directly processing the encryption technology directly realized by a software technology, and safety protection is performed by accessing professional hardware encryption equipment (a built-in encryption chip, a processing chip and the like) of an external third party.
As a further preferred aspect of the invention, the key is generated using a strong pseudo-random number generator and an ECC algorithm.
As a further preferred scheme of the present invention, the service platform based on the blockchain supports cross-chain interaction, the cross-chain interaction includes single interaction based on multiple federation chains or combined chain interaction of a main chain plus multiple sub-chains, and the cross-chain interaction is completed through a message channel and an intelligent contract.
As a further preferred scheme of the present invention, a notary node is introduced for a scenario where the plurality of federation chains individually interact and operate respective services, and the node is responsible for related data auditing, asset circulation, and data circulation.
As a further preferred scheme of the present invention, for a scenario where the main chain and a combined chain of multiple sub-chains interact, a chain-crossing request is initiated by the sub-chains, and request auditing is performed by the main chain.
Compared with the prior art, the invention has the beneficial effects that: the service platform based on the block chain is structurally designed into a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer, and all modules are combined in a plug-in mode and have the characteristics of high availability, low coupling and the like.
Drawings
Fig. 1 is a block chain-based service platform architecture diagram according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1, in an embodiment of the present invention, a service platform based on a block chain includes the following core modules: the system comprises a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer;
the data layer performs digital abstract and algorithm encryption on the data of the service platform based on the block chain, ensures the non-tampering property, the safety and the privacy of the data, and stores the data in the form of the block chain;
the network and the identification layer are based on a P2P (Peer-to-Peer) network, a delegation rights and interests (DPOS) (delayed Proof of Stake) + Byzantin Fault-tolerant BFT (Byzantine Fault tolerance) identification algorithm is adopted, on the premise of decentralization, data identification of each node can be achieved quickly and reliably, node downtime, network delay and malicious node attack can be tolerated, and a platform TPS (single-chain TPS can reach 1 ten thousand) is improved;
the block link nodes mainly comprise block nodes and synchronous nodes, the number of the nodes is variable, and each node refers to all the nodes. The synchronous nodes composed of other non-core participants synchronize the consensus result of the former;
the intelligent contract layer comprises a system core contract and an upper application custom contract, and supports loading and upgrading at any time;
the system core contract is provided by a service platform based on a block chain and used for system data configuration and modification;
the upper layer application custom contract is loaded and upgraded by upper layer specific services in real time;
the service customization contract is loaded and upgraded by upper layer concrete service in real time, such as service automation contract, evidence-based contract and the like. All contracts are friendly in development, isolated in execution, complete in authority management mechanism, capable of upwards connecting business requirements, downwards accessing a platform data layer and enabling all operations to be linked up in real time.
The interface layer comprises an http interface and a websocket interface and is used for opening the function of the bottom layer of the block chain to an upper layer developer for use;
the management layer is combined with other core modules of the service platform based on the block chain to provide additional support functions;
the application layer is various application systems developed on the bottom layer system of the service platform based on the block chain.
As a further solution of the embodiment of the present invention, the management layer provides an additional support function in combination with a service platform core module based on a block chain, including a container service module, a log management module, a data management module, an identity privacy module, a supervision and audit module, a cross-chain service module, and a system service module.
As a further scheme of the embodiment of the invention, the core modules have perfect operation log records and complete records are carried out through the log management module.
As a further scheme of the embodiment of the present invention, the log management module supports real-time query analysis and ensures operation validity and traceability, and all log data support export function; the container service module is an operation and maintenance service of a block chain service bottom technical layer; the data management module is used for managing the block chain data; the identity privacy module comprises the management of accounts, wallets, wallet passwords and secret keys; the supervision auditing module is provided for a supervision auditing department to supervise data; the cross-chain service module is a module for supporting cross-chain.
As a further scheme of the embodiment of the present invention, the identity privacy module includes account management, authority management and key management, and manages a million-level account system, an authority tree system and a key system by combining a hash algorithm and a hardware encryption technology, and after the account, the authority tree and the key are checked and matched by the identity privacy module, a user can access a service platform based on a block chain; the key is generated by using algorithms such as a strong pseudo-random number generator and ECC.
In addition, aiming at data with high confidentiality, a data watermarking technology and a homomorphic encryption technology are introduced for privacy protection
The hardware encryption technology is a technology which is different from the technology of directly processing the encryption technology directly realized by a software technology, and safety protection is performed by accessing professional hardware encryption equipment (a built-in encryption chip, a processing chip and the like) of an external third party.
The service platform based on the block chain provides service nodes for relevant industry supervision agencies (such as a certificate and a supervision agency, an authority agency and the like), and the supervision agencies supervise and audit data and processes according to needs to ensure that uplink data are real and compliant. In addition, the contents of security policy, authority specification, security evaluation report, security audit report and the like are provided according to needs.
The service platform based on the block chain supports cross-chain interaction considering different customers and different specific business requirements. The method supports interaction based on a plurality of alliance chains or a combined chain of a main chain and a plurality of sub chains, and cross-chain data interaction is completed through a message channel and an intelligent contract.
And introducing a notary node for a scene that a plurality of alliance chains independently run respective services, wherein the notary node is responsible for related data auditing, asset circulation and data circulation.
For the main chain plus sub-chain scene in the isomorphic mode, a cross-chain request is initiated by the sub-chain, and request auditing is carried out by the main chain.
The system service module mainly comprises a system management and system monitoring part and is used for managing, monitoring, scheduling and the like all modules of the whole service platform based on the block chain.
The blockchain-based service platform supports access to a variety of business applications including, but not limited to, supply chain finance, trade finance, credit investigation, transaction clearing, economy sharing, insurance, securities, internet of things, copyright protection, commodity traceability, medical and e-government, and the like, through a complete, friendly interface layer and open, secure intelligent contracts.
On the premise of ensuring that related operations meet industrial specifications and meeting the supervision requirements of governments and supervision departments, the characteristics of decentralization, polycentricization, non-tamper-ability and the like of the block chain technology are fully exerted, and aiming at each specific service scene, the traditional service system is assisted to be matched, so that the industrial pain point is solved, the cost is reduced, the efficiency is improved, and the value is created for customers.
The service platform based on the block chain is structurally designed into a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer, and all modules are combined in a plug-in mode and have the characteristics of high availability, low coupling and the like.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A service platform based on a block chain is characterized by comprising the following core modules: the system comprises a data layer, a network and consensus layer, an intelligent contract layer, an interface layer, a management layer and an application layer;
the data layer carries out digital abstract and algorithm encryption on the data of the service platform based on the block chain and stores the data in the form of the block chain;
the network and the identification layer are based on a P2P network, a delegation rights and interests (DPOS) and Byzantine fault-tolerant BFT identification algorithm is adopted, and on the premise of decentralization, data identification of each block chain node is achieved;
the intelligent contract layer comprises a system core contract and an upper application custom contract, and supports loading and upgrading at any time;
the system core contract is provided by a service platform based on a block chain and used for system data configuration and modification;
the upper layer application custom contract is loaded and upgraded by upper layer specific services in real time;
the system core contract and the upper layer application custom contract are isolated and executed, have a complete authority management mechanism, upwards meet service requirements, downwards access a platform data layer, and link all operations in real time;
the interface layer comprises an http interface and a websocket interface and is used for opening the function of the bottom layer of the block chain to an upper layer developer for use;
the management layer is combined with other core modules of the service platform based on the block chain to provide additional support functions;
the application layer is various application systems developed on the bottom layer system of the service platform based on the block chain.
2. The blockchain-based service platform of claim 1, wherein the management layer includes a container service module, a log management module, a data management module, an identity privacy module, a regulatory audit module, a cross-chain service module, and a system service module.
3. The blockchain-based service platform of claim 2, wherein the core modules have perfect operation log records, and complete records are performed through the log management module.
4. The blockchain-based service platform of claim 3, wherein the log management module supports real-time query analysis, guarantees operational validity and traceability, and all log data support export functionality; the container service module is an operation and maintenance service of a block chain service bottom technical layer; the data management module is used for managing the block chain data; the identity privacy module comprises the management of accounts, wallets, wallet passwords and secret keys; the supervision auditing module is provided for a supervision auditing department to supervise data; the cross-chain service module is a module for supporting cross-chain.
5. The blockchain-based service platform of claim 2, wherein the system service module includes two parts of system management and system monitoring, and all modules of the entire blockchain-based service platform are managed, monitored and scheduled.
6. The blockchain-based service platform of claim 2, wherein the identity privacy module comprises account management, rights management and key management, and by combining a hash algorithm and a hardware encryption technology, a million-level account system, a rights tree system and a key system are managed, and after the account, the rights tree and the key are checked and matched by the identity privacy module, a user can access the blockchain-based service platform; the hardware encryption technology is used for carrying out security protection by accessing professional hardware encryption equipment of an external third party.
7. The blockchain-based services platform of claim 5, wherein the key is generated using a strong pseudo-random number generator and an ECC algorithm.
8. The blockchain based service platform of any one of claims 1 to 7, wherein the blockchain based service platform supports cross-chain interactions, the cross-chain interactions including individual interactions based on multiple federation chains or combined chain interactions of a main chain plus multiple sub-chains, the cross-chain interactions being completed through message channels and smart contracts.
9. The blockchain-based service platform of claim 8, wherein a notary node is introduced for a scenario where the plurality of federation chains interact and run respective services independently, and the notary node is responsible for related data auditing, asset circulation, and data circulation.
10. The blockchain-based service platform of claim 8, wherein for a scenario in which the main chain and a combined chain of a plurality of sub-chains interact, a cross-chain request is initiated by a sub-chain, and a request audit is performed by the main chain.
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