CN112564917A - Cloud service platform based on block chain and deployment method thereof - Google Patents
Cloud service platform based on block chain and deployment method thereof Download PDFInfo
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3825—Use of electronic signatures
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3827—Use of message hashing
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Abstract
The invention discloses a cloud service platform based on a block chain and a deployment method thereof. The deployment mode of the cloud service platform comprises the following steps: the software-as-a-service (SaaS) mode, the BaaS query node mode, the alliance chain BaaS mode and the privatization mode. According to the invention, the bottom layer of the block chain is encapsulated through the cloud computing technology, so that the combination of the block chain and the cloud computing technology is realized, the construction of a cloud computing platform of block chain service is completed, an integrated development, deployment, operation and maintenance solution is provided for platform tenants, developers can concentrate on the business logic and application research and development of the developers, and meanwhile, the use cost of the block chain technology is further reduced by utilizing the characteristics of load balancing, elastic computing and the like of the cloud computing technology.
Description
Technical Field
The invention relates to a block chain technology and a cloud computing technology, in particular to a cloud service platform based on a block chain and a deployment method thereof.
Background
At present, the deployment mode of developing block chain business in the financial industry is usually in a self-building machine room, a renting machine room or an enterprise machine room. For an enterprise needing the blockchain service, the difficulty of building a blockchain system by the enterprise is high, and the blockchain BaaS cloud service platform is oriented to enterprise-level users. In the traditional block chain business, an enterprise developer needs to be familiar with the business field of the enterprise developer and also has certain knowledge on the block chain technology.
Disclosure of Invention
The invention mainly aims to provide a one-stop block chain cloud service solution for enterprise customers. The platform is packaged with a block chain technology and can be accessed and used by customers through SDK, SaaS service and BaaS service modes. By utilizing the advantages of load balancing, elastic computing and the like of the cloud computing technology, the use cost of the block chain technology is further reduced.
The invention provides a cloud service platform based on a block chain, which comprises the following modules:
a block chain management module: providing a graphical interface and an interface for a tenant to manage the block chain nodes on the cloud service platform, and realizing adding, deleting, starting, restarting and stopping the block chain nodes;
a block chain monitoring module: providing a graphical interface and an interface for a tenant to monitor basic performance data, health degree, alarm and fault conditions of the block chain nodes on the cloud service platform and maintain healthy and stable operation of a block chain system;
a user management module: provides a graphical interface to manage the user from a platform level and a tenant level,
the method comprises the steps of setting user permissions and managing user groups;
the intelligent contract management module: providing a graphical interface and an interface for a tenant to manage a block chain intelligent contract, wherein the operation comprises compiling, deploying, testing, upgrading and freezing of the intelligent contract;
an application management module: and providing a graphical interface for the tenant to manage the application accessed to the cloud service platform, wherein the application access, authorization and authorization release are included.
Further, the cloud service platform based on the block chain adopts a four-layer architecture, including:
an application layer: this layer provides interfaces for applications for communication and the underlying network for message transport;
BaaS layer: providing encapsulated block chain services for top-level application, wherein the block chain services comprise partition consensus, privacy transaction, data signature verification, change management, transaction distribution, application access, contract management, member management, protocol management, consensus management, transaction processing and cross-chain service functions;
PaaS layer: packaging computing resources of an IaaS layer, and providing container service, parallel processing, access control, identity authentication, automatic deployment, resource scheduling, encryption management and cluster management functions for a BaaS layer;
IaaS layer: the cloud computing system provides physical and virtual computing resources required by cloud computing service, and provides functions of physical resource virtualization, data storage, computing service, load management, mirror image management, network resources, system maintenance and backup management.
Furthermore, a tenant is not required to provide a node server and network resources of the block chain, application transaction information interacts with the platform according to a protocol, an access mode and a connection mode agreed with the cloud service platform, the protocol comprises TCP and UDP, the access mode comprises HTTPS and private access, and the connection mode comprises long connection and short connection.
Further, the cloud service platform based on the block chain comprises a three-level account system comprising a platform, tenants and users, a platform administrator can manage the platform tenants, and the tenant administrator can manage the users.
Further, the management of the intelligent contracts in the intelligent contract management module comprises:
intelligent contract compiling: the tenants upload intelligent contract source codes to the block link points for compiling;
deploying intelligent contracts: the tenant uploads the compiled bin file to perform block chain intelligent contract deployment;
intelligent contract testing: the tenant calls the intelligent block chain contract to achieve the purpose of testing;
upgrading an intelligent contract: the tenant uploads the compiled bin file to carry out block chain intelligent contract upgrading;
freezing an intelligent contract: the tenant freezes the intelligent contract and all call operations to the contract will fail.
Further, the intelligent contract compiling specifically comprises: and the tenant sends a compiling request to the block chain nodes, the nodes ensure the request validity through signature verification, and the compiled intelligent contract abi and bin codes are returned to the tenant after the trusted environment is compiled successfully.
Further, the intelligent contract deployment specifically includes: the method comprises the steps that a tenant sends a deployment request to a block chain node, the node guarantees request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, the node returns a transaction hash to the tenant after consensus is completed, and the tenant reversely checks a contract address after deployment is completed through the transaction hash.
Further, the intelligent contract test specifically comprises: the tenant obtains parameters needing to be filled by reading an intelligent contract abi file, after the tenant fills in relevant entries, the tenant encrypts the parameters by using a self public and private key, then sends a calling contract to a block link point, the node verifies and signs through a signature to ensure the legality of the request, the node receives the legal request and broadcasts a message for consensus, after the consensus is completed, the transaction hash is returned to the tenant, and the tenant reversely checks the transaction result by using the hash.
Further, the intelligent contract upgrading specifically comprises: the method comprises the steps that a tenant sends an upgrading request to a block chain link point, a node guarantees request validity through signature verification, the node receives a legal request, then broadcasts a message for consensus, the node returns a transaction hash to the tenant after consensus is completed, and the tenant reversely checks an upgrading result through the transaction hash;
further, the intelligent contract freezing specifically comprises: the tenant sends a freezing request to the block chain link point, the node guarantees request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, and returns a transaction hash to the tenant after consensus is completed, and the tenant checks the freezing result back through the transaction hash.
In another aspect, the invention provides a deployment method for the cloud service platform based on the block chain, which optionally selects one of the following deployment modes according to the self requirements of tenants:
the SaaS mode comprises the following steps: the cloud service platform directly provides related blockchain services, and tenants directly use the services through clients and API interfaces without additional blockchain system deployment;
BaaS + query node mode: the method comprises the steps that a cloud service platform deploys block chain consensus nodes, tenants deploy block chain non-consensus nodes, namely query nodes, and the tenants access the block chain non-consensus nodes for query through application and access, and can also access the cloud service platform through clients and API interfaces;
alliance chain BaaS mode: the method comprises the steps that a cloud service platform deploys block chain consensus nodes, tenants deploy the block chain consensus nodes and construct a union chain with the consensus nodes on the cloud service platform, and the tenants can independently select an access mode, namely, the tenants access the block chain service by using the block chain nodes through application; the second mode is that the tenant application accesses the cloud service platform through a client and an API (application program interface) to use the block chain service;
privatization mode: the tenant deploys the blockchain nodes and is in butt joint with the cloud service platform, the tenant enjoys the autonomous control right on a blockchain system, the tenant application accesses the consensus nodes to use blockchain services, and the tenant can access the cloud service platform to use blockchain management, user management, blockchain monitoring and intelligent contract management modules.
The invention has the beneficial effects that: by utilizing the cloud computing technology, developers can concentrate on the application research and development of the developers, quickly develop and deploy the blockchain application, and realize a one-stop deployment, management, operation and maintenance solution. By utilizing the advantages of load balancing, elastic computing and the like of the cloud computing technology, the use cost of the block chain technology is further reduced.
Drawings
Fig. 1 is an architecture diagram of a cloud service platform based on a block chain according to an embodiment of the present invention;
fig. 2 is a diagram of a participant access framework.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
An embodiment of the present invention provides a cloud service platform based on a block chain, and as shown in fig. 1, the platform adopts a four-layer architecture, including:
an application layer: this layer provides interfaces for applications for communication and the underlying network for message transport;
BaaS layer: providing encapsulated block chain services for top-level application, wherein the block chain services comprise partition consensus, privacy transaction, data signature verification, change management, transaction distribution, application access, contract management, member management, protocol management, consensus management, transaction processing and cross-chain service functions;
PaaS layer: packaging computing resources of an IaaS layer, and providing container service, parallel processing, access control, identity authentication, automatic deployment, resource scheduling, encryption management and cluster management functions for a BaaS layer;
IaaS layer: the cloud computing system provides physical and virtual computing resources required by cloud computing service, and provides functions of physical resource virtualization, data storage, computing service, load management, mirror image management, network resources, system maintenance and backup management.
The cloud service platform provided by the embodiment of the invention comprises the following modules:
a block chain management module: providing a graphical interface and an interface for a tenant to manage the block chain nodes on the cloud service platform, and realizing adding, deleting, starting, restarting and stopping the block chain nodes;
a block chain monitoring module: providing a graphical interface and an interface for a tenant to monitor basic performance data, health degree, alarm and fault conditions of the block chain nodes on the cloud service platform and maintain healthy and stable operation of a block chain system;
a user management module: providing a graphical interface to manage users from a platform level and a tenant level, wherein the graphical interface comprises user permission setting and user grouping management;
the intelligent contract management module: providing a graphical interface and an interface for a tenant to manage a block chain intelligent contract, wherein the operation comprises compiling, deploying, testing, upgrading and freezing of the intelligent contract;
an application management module: and providing a graphical interface for the tenant to manage the application accessed to the cloud service platform, wherein the application access, authorization and authorization release are included.
According to the cloud service platform provided by the embodiment of the invention, a tenant does not need to provide a node server, network resources and the like of a block chain, application transaction information interacts with the cloud service platform according to a protocol, an access mode and a connection mode which are agreed with the cloud service platform, the protocol comprises TCP and UDP, the access mode comprises HTTPS and private line access, and the connection mode comprises long connection and short connection.
The cloud service platform provided by the embodiment of the invention comprises a three-level account system, which comprises a platform, tenants and users, wherein a platform administrator can manage the platform tenants, and the tenant administrator can manage the users. Fig. 2 is a diagram of participant access cloud service platform framework.
In one embodiment, the managing of the intelligent contracts in the intelligent contract management module includes:
(1) intelligent contract compiling: the tenants can upload intelligent contract source codes to the block chain nodes through the graphical interface for compiling.
And the tenant sends a compiling request to the block chain nodes, the nodes ensure the request validity through signature verification, and the compiled intelligent contract abi and bin codes are returned to the tenant after the trusted environment is compiled successfully.
(2) Deploying intelligent contracts: and the tenants can upload the compiled bin files through a graphical interface to perform block chain intelligent contract deployment.
The tenant can send a deployment request to the block chain link point, the node guarantees request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, and returns a transaction hash to the tenant after consensus is completed, and the tenant reversely checks a contract address after deployment is completed through the transaction hash.
(3) Intelligent contract testing: the tenant can call the intelligent block chain contract through the graphical interface so as to achieve the purpose of testing.
The tenant obtains parameters needing to be filled by reading an intelligent contract abi file, after the tenant fills in relevant entries, the tenant encrypts the parameters by using a self public and private key, then sends a calling contract to a block link point, the node verifies and signs through a signature to ensure the legality of the request, the node receives the legal request and broadcasts a message for consensus, after the consensus is completed, the transaction hash is returned to the tenant, and the tenant reversely checks the transaction result by using the hash.
(4) Upgrading an intelligent contract: and the tenant can upload the compiled bin file through a graphical interface to perform block chain intelligent contract upgrading.
The tenant can send an upgrading request to the block chain link point, the node guarantees request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, and returns a transaction hash to the tenant after consensus is completed, and the tenant reversely checks an upgrading result through the transaction hash.
(5) Freezing an intelligent contract: the tenants can freeze the intelligent contracts through the graphical interface, and all calling operations on the contracts are invalid.
The tenant can send a freezing request to the block chain node, the node guarantees the request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, and returns the transaction hash to the tenant after the consensus is completed, and the tenant rechecks the freezing result through the transaction hash.
The embodiment of the invention also provides a deployment method of the cloud service platform based on the block chain, which can select one of the following deployment modes according to the self requirements of tenants:
(1) the SaaS mode comprises the following steps: the cloud service platform directly provides related blockchain services, and tenants directly use the services through clients and API interfaces without additional blockchain system deployment.
(2) BaaS + query node mode: the cloud service platform deploys block chain consensus nodes, tenants deploy block chain non-consensus nodes, namely query nodes, and the tenants access the block chain non-consensus nodes for query through the application and access the cloud service platform through the client and the API.
(3) Alliance chain BaaS mode: the method comprises the steps that a cloud service platform deploys block chain consensus nodes, tenants deploy the block chain consensus nodes and construct a union chain with the consensus nodes on the cloud service platform, and the tenants can independently select an access mode, namely, the tenants access the block chain service by using the block chain nodes through application; and the second mode is that the tenant application accesses the cloud service platform through the client and the API interface to use the block chain service.
(4) Privatization mode: the tenant deploys the blockchain nodes and is in butt joint with the cloud service platform, the tenant enjoys the autonomous control right on a blockchain system, the tenant application accesses the consensus nodes to use blockchain services, and the tenant can access the cloud service platform to use blockchain management, user management, blockchain monitoring and intelligent contract management modules.
The above description is only for the purpose of illustrating the preferred embodiments of the one or more embodiments of the present disclosure, and is not intended to limit the scope of the one or more embodiments of the present disclosure, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the one or more embodiments of the present disclosure should be included in the scope of the one or more embodiments of the present disclosure.
Claims (10)
1. A cloud service platform based on a block chain is characterized by comprising the following modules:
a block chain management module: providing a graphical interface and an interface for a tenant to manage the block chain nodes on the cloud service platform, and realizing adding, deleting, starting, restarting and stopping the block chain nodes;
a block chain monitoring module: providing a graphical interface and an interface for a tenant to monitor basic performance data, health degree, alarm and fault conditions of the block chain nodes on the cloud service platform and maintain healthy and stable operation of a block chain system;
a user management module: providing a graphical interface to manage users from a platform level and a tenant level, wherein the graphical interface comprises user permission setting and user grouping management;
the intelligent contract management module: providing a graphical interface and an interface for a tenant to manage a block chain intelligent contract, wherein the operation comprises compiling, deploying, testing, upgrading and freezing of the intelligent contract;
an application management module: and providing a graphical interface for the tenant to manage the application accessed to the cloud service platform, wherein the application access, authorization and authorization release are included.
2. The block chain-based cloud service platform of claim 1, wherein a four-layer architecture is adopted, comprising:
an application layer: this layer provides interfaces for applications for communication and the underlying network for message transport;
BaaS layer: providing encapsulated block chain services for top-level application, wherein the block chain services comprise partition consensus, privacy transaction, data signature verification, change management, transaction distribution, application access, contract management, member management, protocol management, consensus management, transaction processing and cross-chain service functions;
PaaS layer: packaging computing resources of an IaaS layer, and providing container service, parallel processing, access control, identity authentication, automatic deployment, resource scheduling, encryption management and cluster management functions for a BaaS layer;
IaaS layer: the cloud computing system provides physical and virtual computing resources required by cloud computing service, and provides functions of physical resource virtualization, data storage, computing service, load management, mirror image management, network resources, system maintenance and backup management.
3. The cloud service platform based on the blockchain as claimed in claim 1, wherein a tenant is not required to provide a node server and a network resource of the blockchain, application transaction information interacts with the platform according to a protocol, an access mode and a connection mode agreed with the cloud service platform, wherein the protocol includes TCP and UDP, the access mode includes HTTPS and a dedicated access, and the connection mode includes a long connection and a short connection.
4. The cloud service platform based on the blockchain as claimed in claim 1, wherein the cloud service platform comprises a three-level account system including three levels, namely a platform, a tenant and a user, a platform administrator can manage the platform tenant, and the tenant administrator can manage the user of the platform administrator.
5. The block chain based cloud service platform of claim 1, wherein the management of the intelligent contracts in the intelligent contract management module comprises:
intelligent contract compiling: the tenants upload intelligent contract source codes to the block link points for compiling;
deploying intelligent contracts: the tenant uploads the compiled bin file to perform block chain intelligent contract deployment;
intelligent contract testing: the tenant calls the intelligent block chain contract to achieve the purpose of testing;
upgrading an intelligent contract: the tenant uploads the compiled bin file to carry out block chain intelligent contract upgrading;
freezing an intelligent contract: the tenant freezes the intelligent contract and all call operations to the contract will fail.
6. The block chain-based cloud service platform of claim 5, wherein the intelligent contract compilation is specifically: and the tenant sends a compiling request to the block chain nodes, the nodes ensure the request validity through signature verification, and the compiled intelligent contract abi and bin codes are returned to the tenant after the trusted environment is compiled successfully.
7. The block chain-based cloud service platform of claim 5, wherein the smart contract deployment is specifically: the method comprises the steps that a tenant sends a deployment request to a block chain node, the node guarantees request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, the node returns a transaction hash to the tenant after consensus is completed, and the tenant reversely checks a contract address after deployment is completed through the transaction hash.
8. The block chain-based cloud service platform of claim 5, wherein the intelligent contract test specifically comprises: the tenant obtains parameters needing to be filled by reading an intelligent contract abi file, after the tenant fills in relevant entries, the tenant encrypts the parameters by using a self public and private key, then sends a calling contract to a block link point, the node verifies and signs through a signature to ensure the legality of the request, the node receives the legal request and broadcasts a message for consensus, after the consensus is completed, the transaction hash is returned to the tenant, and the tenant reversely checks the transaction result by using the hash.
9. The cloud service platform based on the blockchain as claimed in claim 5, wherein the intelligent contract upgrading specifically includes: the method comprises the steps that a tenant sends an upgrading request to a block chain link point, a node guarantees request validity through signature verification, the node receives a legal request, then broadcasts a message for consensus, the node returns a transaction hash to the tenant after consensus is completed, and the tenant reversely checks an upgrading result through the transaction hash; the intelligent contract freezing specifically comprises the following steps: the tenant sends a freezing request to the block chain link point, the node guarantees request validity through signature verification, the node receives the legal request, then broadcasts a message for consensus, and returns a transaction hash to the tenant after consensus is completed, and the tenant checks the freezing result back through the transaction hash.
10. A deployment method of the cloud service platform according to any one of claims 1 to 9, characterized in that one of the following deployment modes is selected according to the self-demand of the tenant:
the SaaS mode comprises the following steps: the cloud service platform directly provides related blockchain services, and tenants directly use the services through clients and API interfaces without additional blockchain system deployment;
BaaS + query node mode: the method comprises the steps that a cloud service platform deploys block chain consensus nodes, tenants deploy block chain non-consensus nodes, namely query nodes, and the tenants access the block chain non-consensus nodes for query through application and access, and can also access the cloud service platform through clients and API interfaces;
alliance chain BaaS mode: the method comprises the steps that a cloud service platform deploys block chain consensus nodes, tenants deploy the block chain consensus nodes and construct a union chain with the consensus nodes on the cloud service platform, and the tenants can independently select an access mode, namely, the tenants access the block chain service by using the block chain nodes through application; the second mode is that the tenant application accesses the cloud service platform through a client and an API (application program interface) to use the block chain service;
privatization mode: the tenant deploys the blockchain nodes and is in butt joint with the cloud service platform, the tenant enjoys the autonomous control right on a blockchain system, the tenant application accesses the consensus nodes to use blockchain services, and the tenant can access the cloud service platform to use blockchain management, user management, blockchain monitoring and intelligent contract management modules.
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