CN106503098B - Block chain cloud service framework system built in Paas service layer - Google Patents
Block chain cloud service framework system built in Paas service layer Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention discloses a block chain cloud service framework system built in a Paas service layer, which comprises: the consensus management module is used for being responsible for achieving a consensus mechanism among all nodes connected to the block chain; the communication management module is used for realizing data transmission between the nodes and the block chains; and a data storage module for storing block information, state information, and source data information of the entire block chain. The invention can combine the block chain and the cloud computing technology, provides the block chain basic service for the SaaS layer, effectively reduces the cost, improves the safety and unifies the block chain cloud service standard.
Description
Technical Field
The invention relates to the technical field of cloud computing, in particular to a cloud computing Paas service layer framework system.
Background
Blockchain techniques generally refer to techniques for collectively maintaining a reliable database through decentralization and distrust. In fact, the blockchain technology is not a single and completely new technology, but is an integrated result of a plurality of existing technologies, such as encryption algorithm, P2P file transmission, etc., and these technologies are combined with the database skillfully to form a new data recording, transferring, storing and presenting way. In brief, the block chain technique is a technique in which people participate in recording and storing information together. In the past, data recording and storing work was handed over to a centralized organization, and the blockchain technology allowed everyone in the system to participate in the recording and storing of data. The blockchain technology constructs an ad hoc network of P2P by using a distributed collective operation method under a distributed peer-to-peer network without a central control point. Through a complex verification mechanism, the block chain database can keep integrity, continuity and consistency, the integrity of the block chain cannot be changed even if part of participants make false, and data in the block chain cannot be tampered.
The block chain technology has natural advantages in the aspects of reducing credit cost and the like, but at the same time, due to the distributed and decentralized characteristics of the block chain, whether huge distributed nodes are owned and maintained becomes the key for successful deployment of the block chain, and the existing block chain technology does not describe the construction of a distributed network in detail, and does not provide specifications from how the block chain is combined with the prior art.
Cloud computing is an internet-based computing method, and is an emerging method for sharing infrastructure, which can connect huge system resource pools together to provide IT services, and by this means, shared software and hardware resources and information can be provided to computers and other devices as required. Cloud computing is a product of fusion development of traditional computer technologies and network technologies, such as grid computing, distributed computing, parallel computing, utility computing, network storage, virtualization, load balancing and the like. Cloud computing describes a new internet-based IT service addition, usage and delivery model that provides dynamically scalable and virtualized resources over the internet. It is used to implement a service distribution model for on-demand network access to a shared pool of configurable computing resources (e.g., networks, network bandwidth, servers, processing, memory, storage, applications, virtual machines, and services).
Cloud computing generally includes several levels of services: infrastructure as a Service (IaaS), which provides its own processing, storage, network and other computing resources and can deploy and run operating systems and applications), Platform as a Service (PaaS, which deploys applications that a user can create using a provider's tools onto a cloud Infrastructure) and Software as a Service (SaaS, which deploys a provider's applications onto a cloud Infrastructure), which aim to integrate multiple relatively low cost computing entities into one powerful system over a network and distribute various capabilities and services to end users via advanced business models such as IaaS, PaaS and SaaS.
Therefore, the block chain cloud service framework system built in the Paas service layer, which can combine the block chain with the cloud computing technology so as to perfect the block chain distributed network architecture, is a problem to be solved urgently in the industry.
Disclosure of Invention
The invention aims to provide a block chain cloud service framework system built in a Paas service layer, which can combine a block chain with a cloud computing technology, provide block chain basic service for a SaaS layer, effectively reduce cost, improve safety and unify block chain cloud service standards.
In order to achieve the above object, the present invention provides a block chain cloud service framework system built in a Paas service layer, including: the consensus management module is used for being responsible for achieving a consensus mechanism among all nodes connected to the block chain; the communication management module is used for realizing data transmission between the nodes and the block chains; and a data storage module for storing block information, state information, and source data information of the entire block chain.
Optionally, the method further comprises: and the identity authentication module is used for authenticating the identity and the privacy of the node to be connected to the block chain.
Alternatively, nodes to be connected to the blockchain are connected to the blockchain by providing a common ID and following the TANBOB protocol.
Optionally, the method further comprises: and the service interface module is used for the nodes connected to the block chain to inquire the block chain and send data requests.
Optionally, the method further comprises: and the command interface module is used for a developer of the cloud computing to perform service test and inquire the transaction state of the blockchain.
Optionally, the consensus mechanism comprises at least one of the following mechanisms: pow workload attestation, Pos equity attestation, DPos equity attestation mechanism, Pool verification Pool, rayleigh consensus mechanism, and TaPOS transaction-based equity attestation mechanism.
The Rayleigh consensus mechanism is as follows: the Rayleigh consensus algorithm enables a group of nodes to achieve consensus based on a special node list. The initial special node list acts like a club and to admit a new member, 51% of the club members must vote through. Consensus followed 51% of the power of this core member, with no influence from outside personnel.
Wherein, the authorization and equity certification mechanism is as follows: when the notion of Decentralized Autonomous Corporation (DAC) is used, Decentralized means that each stakeholder has an influence on their share holding proportion, and the result of 51% east votes will be irreversible and binding. The challenge is to achieve 51% approval in a timely and efficient way, and to achieve this goal, each shareholder can grant his voting right to a representative. The first 100 bits with the highest number of votes represent the blocks generated in turn according to a predetermined schedule. Each representative is assigned a time period to produce the block. All representatives will receive 10% of the transaction fee equivalent to an average block. If an average block contains 100 shares as a transaction fee and one representative will receive 1 share as a reward, network delays may cause some representatives to fail to broadcast their block in time, which may lead to block chain branching. However, this is unlikely to happen because the representation of the manufactured block can establish a direct connection with the representation of the block before and after manufacture. This direct connection with the party's subsequent representatives (and perhaps the representative behind them) is established to ensure that the party is compensated, the mode can generate a new block every 30 seconds, and the likelihood of block chain branching under normal network conditions is extremely low, and can be resolved in minutes if it occurs.
Wherein, the share right certification mechanism based on transaction is as follows: TaPOS provides stockholders with a long-lasting mechanism to directly approve the behavior of their representatives. On average, 51% of the stakeholders will directly identify each block within 6 months. And as many as 10% of the stakeholders can identify blockchains within a few days, depending on the proportion of actively circulating shares. This direct validation ensures long-term security of the network and makes all attack attempts extremely legible.
Alternatively, the data storage modules are MongoDb and LeveIDB.
Alternatively, the communication management module implements the P2P protocol.
Optionally, the method further comprises: and the logic management module is used for carrying out digital signature and asymmetric encryption operation on the data to be transmitted to the block chain.
Optionally, the algorithm of the digital signature comprises at least one of the following algorithms: RSA algorithm, ElGamal algorithm, Fiat-Shamir algorithm, Guillou-Quisquarter algorithm, Schnorr algorithm, Ong-Schnorr-Shamir digital signature algorithm, Des/DSA algorithm, elliptic curve digital signature algorithm, and finite automaton digital signature algorithm.
The invention has the beneficial effects that: (1) the block chain is combined with the cloud computing technology, and the advantages of super-large scale, virtualization and high reliability of cloud computing are fully utilized; (2) a large amount of hardware cost is saved, a block chain distributed network can be constructed by using a more flexible Docker technology, and the cost is further reduced; (3) the security architecture of the cloud computing is used, data access and node access are controlled by security strategies, and the security of data is greatly improved; (4) the data transmission standard and the block chain cloud service standard are unified; (5) the whole service framework system is flexible and diverse in applicable scenes and strong in expandability.
Drawings
Fig. 1 is a schematic structural diagram of a block chain cloud service framework system built in a Paas service layer according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
First, referring to fig. 1, the block chain cloud service framework system built in the Paas service layer of the present invention is located in a part of the Paas layer, encapsulates basic services of a block chain, and provides business services for the block chain services of the SaaS layer. The block chain cloud service framework system built in the Paas service layer comprises a consensus management module 1, a communication management module 2, a data storage module 3, an identity authentication module 4, a service interface module 5, a command interface module 6 and a logic management module 7.
The consensus management module 1 is responsible for the achievement of consensus mechanisms among the nodes connected to the block chain, wherein the consensus mechanisms that can be used may be Pow workload proofs, Pos rights and interests proofs, DPos shares authorization proofs, Pool verification, and rayleigh consensus mechanisms, and TaPOS transaction-based shares proofing mechanisms.
The communication management module 2 executes a P2P protocol to realize data transmission between nodes and block chains, the data storage module 3 can store block information, state information, and source data information of the whole block chain, and the data storage module 3 can be a MongoDb and a LeveIDB commonly used in the art.
In order to ensure the security of the blockchain, the identity authentication module 4 authenticates the identity and privacy of the node to be connected to the blockchain, and the accessed node needs to provide a public ID (public ID) and follow the tansob protocol so as to be connected to the blockchain.
As an alternative embodiment, the service interface module 5 and the command interface module 6 are used to provide data query and operation and maintenance services, wherein the service interface module 5 is provided in a REST API manner, so as to allow nodes connected to the blockchain to query the blockchain and send data requests, and the command interface module 6 is provided for a cloud computing developer to perform service test and query the blockchain transaction status through CLI.
In order to effectively ensure the privacy of the data, as another alternative embodiment, the logic management module 7 is used to perform digital signature and asymmetric encryption operations on the data to be transmitted to the block chain. Where a digital signature is some data appended to a data unit or a cryptographic transformation performed on a data unit. Such data or transformations allow the receiving node of the data unit to verify the origin of the data unit and the integrity of the data unit and to protect the data against forgery by a person (e.g., the receiving node). The digital signature can be obtained based on a public key cryptosystem and a private key cryptosystem, and comprises a common digital signature and a special digital signature, wherein the common digital signature algorithm comprises RSA, ElGamal, Fiat-Shamir, Guillou-Quisquarter, Schnorr, Ong-Schnorr-Shamir digital signature algorithm, Des/DSA, elliptic curve digital signature algorithm, finite automaton digital signature algorithm and the like; the special digital signature includes blind signature, proxy signature, group signature, undeniable signature, fair blind signature, threshold signature, signature with message recovery function, etc., which are closely related to the specific application environment.
Commonly used asymmetric encryption algorithms include RSA, Elgamal, D-H, ECC (elliptic curve encryption algorithm), and the like. In an asymmetric encryption algorithm, if two keys in a "key pair" satisfy the following two conditions: 1. after information is encrypted by one of the keys, the information can be unlocked only by the other key; 2. after one of the keys is disclosed, someone cannot calculate the other key according to the disclosed key, so that the key pair is called an asymmetric key pair, the disclosed key is called a public key, and the private key is called a private key. In the transaction of the blockchain system, the basic usage scenarios of the asymmetric key are two: 1. the public key encrypts the transaction information, the private key decrypts the transaction information, and the holder of the private key can use the received value after decryption; 2. the private key signs the information, the public key verifies the signature, and the information verified by the public key signature is confirmed to be sent by the holder of the private key.
Therefore, the block chain cloud service framework system built in the Paas service layer realizes the combination of the block chain and the cloud computing technology, fully utilizes the advantages of super-large scale, virtualization and high reliability of cloud computing, saves a large amount of hardware cost, controls data access and node admission by a security policy, greatly improves the security of data, and unifies the data transmission standard and the block chain cloud service standard.
Specifically, the "PaaS +" block chain cloud technology framework has the following main characteristics: 1) the PaaS plus block chain cloud technology framework is a block chain framework based on a cloud computing technology, belongs to a basic service of a PaaS layer, provides block chain basic service for a SaaS layer, and fully utilizes all advantages of the cloud computing technology, such as super-large scale, virtualization and high reliability, saves a large amount of hardware cost, can construct a distributed network by using a Docker technology with more flexible deployment, and further reduces the cost; 2) the security of the PaaS +' block chain cloud technology framework naturally uses the security architecture of cloud computing, data access and node access are controlled by security strategies, and in addition, the security is greatly improved by assisting a digital signature mechanism of a block chain; 3) the modularization degree is high, the PaaS +' block chain cloud technology framework adopts a modularization technology architecture, one-key deployment is supported, and the deployment speed is high. Therefore, the "PaaS +" blockchain cloud technology framework can solve the following problems: 1) the problem of high cost caused by centralization; 2) data sharing in the form of 'one book account' is realized; 3) a uniform reliable data transmission standard; 4) the block chain cloud service standard is not uniform.
As a non-limiting application example, the blockchain cloud service framework system built in the Paas service layer of the present invention may provide a blockchain credit investigation service, a blockchain asset transaction service, a blockchain data preservation service, etc. for the SaaS layer.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (3)
1. A block chain cloud service framework system built in a Paas service layer, located in a part of the Paas layer, encapsulating basic services of a block chain and providing business services for block chain services of a SaaS layer, the block chain cloud service framework system built in the Paas service layer comprising:
the consensus management module is used for being responsible for achieving a consensus mechanism among all nodes connected to the block chain;
a communication management module that implements a P2P protocol for enabling data transfer between a node and the blockchain;
the data storage module is used for storing block information, state information and source data information of the whole block chain;
a service interface module for nodes connected to a blockchain to query the blockchain and send data requests;
the command interface module is used for a developer of cloud computing to perform service test and inquire the transaction state of the block chain;
the identity authentication module is used for authenticating the identity and the privacy of the node to be connected to the block chain; and
the logic management module is used for carrying out digital signature and asymmetric encryption operation on the data to be transmitted to the block chain;
wherein the digital signature is data attached to the data unit or a cryptographic transformation of the data unit, the data or transformation allowing a receiving node of the data unit to verify the source of the data unit and the integrity of the data unit and to protect the data against counterfeiting by a person; the digital signature can be obtained based on both a public key cryptosystem and a private key cryptosystem, and comprises a common digital signature and a special digital signature, wherein the algorithm of the common digital signature comprises at least one of the following algorithms: RSA algorithm, ElGamal algorithm, Fiat-Shamir algorithm, Guillou-Quisquarter algorithm, Schnorr algorithm, Ong-Schnorr-Shamir digital signature algorithm, Des/DSA algorithm, elliptic curve digital signature algorithm, and finite automaton digital signature algorithm; the special digital signature comprises a blind signature, an agent signature, a group signature, a non-repudiation signature, a fair blind signature, a threshold signature and a signature with a message recovery function;
wherein, if two keys in a key pair satisfy the following two conditions: after information is encrypted by one of the keys, the information can be unlocked only by the other key; after one of the keys is disclosed, others cannot calculate the other key according to the disclosed key; then the key pair is called asymmetric key pair, the public key is called public key, and the private key is called private key; the asymmetric cryptographic operation comprises: (1) the public key encrypts the transaction information, the private key decrypts the transaction information, and the holder of the private key can use the received value after decryption; (2) the private key signs the information, the public key verifies the signature, and the information verified by the public key signature is confirmed to be sent out by a holder of the private key;
the system comprises a service interface module, a command interface module and a data processing module, wherein the service interface module is provided in a REST API mode so as to allow nodes connected to a block chain to inquire the block chain and send a data request, and the command interface module is used for a cloud computing developer to perform service test and inquire the transaction state of the block chain through CLI; the node to be connected to the blockchain is connected to the blockchain by providing a common ID and following the tansob protocol;
the block chain cloud service framework system built in the Paas service layer provides block chain credit investigation service, block chain asset transaction service and block chain data security service for the SaaS layer.
2. The system of claim 1, wherein the consensus mechanism comprises at least one of the following: pow workload attestation, Pos equity attestation, DPos equity attestation mechanism, Pool verification Pool, rayleigh consensus mechanism, and TaPOS transaction-based equity attestation mechanism.
3. The system of claim 1, wherein the data storage modules are MongoDb and LeveIDB.
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