WO2021012794A1

WO2021012794A1 - Blockchain construction method and apparatus based on cloud service, medium and electronic device

Info

Publication number: WO2021012794A1
Application number: PCT/CN2020/093587
Authority: WO
Inventors: 宦鹏飞; 章伟; 张青亮; 张松松
Original assignee: 平安科技（深圳）有限公司
Priority date: 2019-07-23
Filing date: 2020-05-30
Publication date: 2021-01-28
Also published as: CN110430248B; CN110430248A

Abstract

The present application provides a blockchain construction method based on a cloud service, a blockchain construction apparatus based on a cloud service, a computer readable medium, and an electronic device, which can be achieved in a blockchain. The method comprises: generating a block and creating a plurality of blockchain nodes according to configuration information; calling a target service from a cloud server according to the block and constructing a blockchain channel by means of the target service; calling a target node in the blockchain nodes to start a smart contract deployed in the blockchain channel; and synchronizing the smart contract into the plurality of blockchain nodes. The blockchain construction method based on a cloud service in the present application can overcome to some extent the problems of the relatively high learning cost of users and the relatively high popularization difficulty of the blockchain technology, thereby reducing the learning cost of the users and the popularization difficulty of the blockchain technology.

Description

Block chain construction method, device, medium and electronic equipment based on cloud service

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on July 23, 2019, the application number is 2019106673968, and the invention title is "Cloud service-based blockchain construction methods, devices, media, and electronic equipment". The entire content is incorporated into this application by reference.

Technical field

This application relates to the field of computer technology, and in particular to a method for building a blockchain based on cloud services, a device for building a blockchain based on cloud services, computer-readable media, and electronic equipment.

Background technique

Blockchain is a new application mode of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. Among them, the basic structure of the blockchain includes the data layer, network layer, consensus layer, incentive layer, contract layer, and application layer. Each layer completes a core function, and each layer cooperates with each other to realize a decentralized trust mechanism.

Since the infrastructure design of the blockchain has many levels and the network is complex, in the actual process of building a blockchain, professionals are required to perform a series of tedious and complex tasks to realize the construction of the blockchain. Most of the ordinary people have weak professional knowledge. If you want to build a blockchain, you need to learn the relevant knowledge of the blockchain before it is possible to complete the construction of the blockchain. However, the inventor realized that this would increase the learning cost for users and the difficulty of promoting blockchain technology.

It should be noted that the information disclosed in the background art section above is only used to strengthen the understanding of the background of the application, and therefore may include information that does not constitute the prior art known to those of ordinary skill in the art.

technical problem

The purpose of this application is to provide a method for building a blockchain based on cloud services, a device for building blockchain based on cloud services, computer-readable media, and electronic equipment, so as to overcome the high cost of user learning and the lack of The difficulty of popularization of blockchain technology is high, which in turn reduces the learning cost of users and the difficulty of popularization of blockchain technology.

Technical solutions

The first aspect of this application provides a method for building a blockchain based on cloud services, including: generating blocks according to configuration information and creating multiple blockchain nodes; calling the target service from the cloud server according to the block and passing the target The service builds a blockchain channel; calls the target node in the blockchain node to start the smart contract deployed in the blockchain channel; synchronizes the smart contract to multiple blockchain nodes.

In an exemplary embodiment of the present application, calling the target service from the cloud server according to the block and constructing the blockchain channel through the target service includes: determining the preset service from the cloud server according to the block and starting the preset service ; Call the target service in the preset service to build a blockchain channel.

In an exemplary embodiment of the present application, determining the preset service from the cloud server according to the block includes: obtaining the preset service image from the cloud server according to the block; determining the preset service corresponding to the preset service image .

In an exemplary embodiment of the present application, the preset service includes at least one of a consensus service, a data packaging service, a data node service, and a data access service.

In an exemplary embodiment of the present application, the cloud service-based blockchain construction method further includes: constructing a target server according to resource configuration information in the configuration information, and the target server is used to provide server resources for a preset service.

In an exemplary embodiment of the present application, calling the target service in the preset service to construct a blockchain channel includes: determining the target service from the preset service according to the block; calling the target server corresponding to the target service Server resources build blockchain channels.

In an exemplary embodiment of the present application, the cloud service-based blockchain construction method further includes: generating a key corresponding to each blockchain node and uploading a certificate corresponding to the key.

According to the second aspect of the present application, there is provided a cloud service-based block chain construction device, including a block generation unit, a block chain channel construction unit, a smart contract activation unit, and a smart contract synchronization unit, wherein: block generation unit , Used to generate blocks based on configuration information and create multiple blockchain nodes; block chain channel construction unit, used to call target services from cloud servers according to blocks and build blockchain channels through target services; smart contract start The unit is used to call the target node in the blockchain node to start the smart contract deployed in the blockchain channel; the smart contract synchronization unit is used to synchronize the smart contract to multiple blockchain nodes.

In an exemplary embodiment of the present application, the block chain channel construction unit calls the target service from the cloud server according to the block and constructs the block chain channel through the target service: The block determines the preset service from the cloud server and starts the preset service; the blockchain channel construction unit calls the target service in the preset service to build the blockchain channel.

In an exemplary embodiment of the present application, the way that the blockchain channel construction unit determines the preset service from the cloud server according to the block is specifically as follows: the blockchain channel construction unit obtains the preset service from the cloud server according to the block Service mirroring; the blockchain channel construction unit determines the preset service corresponding to the preset service mirroring.

In an exemplary embodiment of the present application, the cloud service-based blockchain construction device further includes a server construction unit: a server construction unit configured to construct a target server according to the resource configuration information in the configuration information, and the target server is used for Provide server resources for preset services.

In an exemplary embodiment of the present application, the method for the blockchain channel construction unit to call the target service in the preset service to construct the blockchain channel is specifically as follows: the blockchain channel construction unit selects from the preset service according to the block Determine the target service; the block chain channel construction unit calls the server resources corresponding to the target service in the target server to construct the block chain channel.

In an exemplary embodiment of the present application, the cloud service-based blockchain construction device further includes a key generation unit: a key generation unit for generating and uploading a key corresponding to each blockchain node The certificate corresponding to the key.

According to the third aspect of the present application, there is provided a computer-readable medium on which a computer program is stored, and when the program is executed by a processor, the cloud service-based blockchain construction as described in the first aspect of the above-mentioned embodiments is realized method.

According to a fourth aspect of the present application, there is provided an electronic device, including: one or more processors; a storage device, used to store one or more programs, when one or more programs are executed by one or more processors At this time, one or more processors are caused to implement the cloud service-based blockchain construction method as described in the first aspect of the foregoing embodiments.

Beneficial effect

In the technical solutions provided by some embodiments of the present application, the terminal device or server can generate blocks (eg, genesis block) according to the configuration information input by the user (eg, the number of domain names, the name of each domain name) and create multiple Blockchain nodes, the multiple blockchain nodes can be corresponding blockchain nodes for multiple institutions. By creating a blockchain node for each institution, the interconnection between multiple institutions can be realized; furthermore, the terminal The device or server can also call a target service (such as a consensus service) from the cloud server according to the created block and construct a blockchain channel through the target service. The establishment of a blockchain channel can realize communication between nodes; further, The terminal device or server can also call the target node in the blockchain node to start the smart contract of the blockchain channel, where the target node can be any node in the blockchain node or a certain node set in advance; In addition, the smart contract can be uploaded by the user to the terminal device or server and deployed in the blockchain channel; further, the terminal device or server can synchronize the activated smart contract to multiple blockchain nodes to complete the blockchain Construction. According to the foregoing description of the solution, the present application can overcome the problem of high learning costs for users to a certain extent, thereby reducing the learning costs for users. On the other hand, it can reduce the difficulty of promoting blockchain technology through the automation of blockchain construction.

Description of the drawings

Fig. 1 shows a schematic flowchart of a method for constructing a blockchain based on cloud services according to an exemplary embodiment of the present application.

Fig. 2 shows a structural block diagram of a cloud service-based block chain construction device according to an exemplary embodiment of the present application.

Fig. 3 shows a schematic structural diagram of a computer system suitable for implementing an electronic device of an exemplary embodiment of the present application.

Embodiments of the invention

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms, and should not be construed as being limited to the examples set forth herein; on the contrary, the provision of these embodiments makes this application more comprehensive and complete, and fully conveys the concept of the example embodiments To those skilled in the art.

Furthermore, the described features, structures or characteristics may be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to give a sufficient understanding of the embodiments of the present application. However, those skilled in the art will realize that the technical solutions of the present application can be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. can be used. In other cases, well-known methods, devices, implementations or operations are not shown or described in detail to avoid obscuring various aspects of the present application.

The block diagrams shown in the drawings are merely functional entities, and do not necessarily correspond to physically independent entities. That is, these functional entities can be implemented in the form of software, or implemented in one or more hardware modules or integrated circuits, or implemented in different networks and/or processor devices and/or microcontroller devices. entity.

The flowchart shown in the drawings is only an exemplary description, and does not necessarily include all contents and operations/steps, nor does it have to be performed in the described order. For example, some operations/steps can be decomposed, and some operations/steps can be combined or partially combined, so the actual execution order may be changed according to actual conditions.

Please refer to Figure 1. Figure 1 shows a schematic flow diagram of a cloud service-based blockchain construction method according to an exemplary embodiment of the present application. The cloud service-based blockchain construction method can be implemented by a server or a terminal device .

As shown in FIG. 1, the method for building a blockchain based on cloud services according to an embodiment of the present application includes the following steps S110, S120, S130, and S140.

Step S110: Generate a block according to the configuration information and create multiple blockchain nodes.

Step S120: call the target service from the cloud server according to the block and construct a blockchain channel through the target service.

Step S130: Invoke the target node in the blockchain node to start the smart contract deployed in the blockchain channel.

Step S140: Synchronize the smart contract to multiple blockchain nodes.

The steps are described in detail below.

In step S110, the configuration information may include the number of domain names, the names of each domain name, the type of ranking service, the number of consensus modules, the number of blockchain channels, the names of each blockchain channel, the number of smart contracts, the names of smart contracts, the number of data nodes, and the number of data connections. The number of input modules and the number of secondary nodes.

In the exemplary embodiment of this application, the block generated according to the configuration information is the genesis block in the blockchain. It should be noted that the blockchain is composed of multiple connected blocks, each The block records the transactions in the network for a period of time, and the block can be understood as the account page in the account book. The first block to be constructed is called the genesis block and has a unique ID identification number. Except for the genesis block, each subsequent block contains two ID numbers, one is the ID number of the block itself, and the other is the ID number of the previous block. Through the front-to-back relationship between ID numbers, all blocks are connected in sequence to form a blockchain.

In the exemplary embodiment of the present application, it should be noted that in the blockchain network, each computer participating in the network can receive the name of the blockchain node. In the network, all blockchain nodes are responsible for providing network services. Blockchain nodes can be communication endpoints or redistribution points of communication, linking to other nodes. Each blockchain node in the network is considered equal.

In step S120, there may be one or more blockchain channels, and the blockchain channels are used to connect blockchain nodes. Optionally, after constructing the blockchain channel through the target service, the following steps may be included: configuring the blockchain channel through the channel name, the node corresponding to the channel, and the object corresponding to the channel in the configuration information and configuring the block The chain channel is synchronized to multiple blockchain nodes.

In the exemplary embodiment of this application, the target service may be a consensus service, and the consensus service may include a consensus algorithm. The consensus algorithm may be a PoW algorithm (Proof of Work), a PoS algorithm (Proof of Stake, equity Proof) or DPoS algorithm (Delegate Proof of Stake), the embodiment of this application is not limited.

In the exemplary embodiment of the present application, it should be noted that the cloud service provided by the cloud server is based on the increase, use and interaction mode of Internet-based related services, and the cloud server provides dynamically expanded and virtualized services through the Internet. Resources. Applying cloud services to the deployment and implementation of the blockchain system can realize the automated deployment of the blockchain and simplify the deployment cost of the blockchain. For example, the automated deployment of the blockchain can be applied to the attestation system. Since the attestation data cannot be tampered with, it does not rely on third-party certification and the security of distributed storage is high, it reduces independent audits compared to traditional attestation systems , The cost and difficulty of managing real records and complying with the rules of evidence.

In step S130, optionally, the terminal device or server may receive the smart contract uploaded by the user, and then execute the above-mentioned calling the target node in the blockchain node to start the smart contract deployed in the blockchain channel. Among them, a smart contract (Smart contract) is a computer protocol that spreads, verifies, or executes a contract in an informatized manner. Smart contracts allow trusted transactions without a third party, which are traceable and irreversible.

In the exemplary embodiment of the present application, another optional method of calling the target node in the blockchain node to start the smart contract deployed in the blockchain channel may specifically be: calling the target node for starting The interface of the smart contract, through which the smart contract deployed in the blockchain channel is started, where the target node is included in the blockchain node.

In step S140, the aforementioned synchronizing the smart contract to multiple blockchain nodes can also be understood as synchronizing the smart contract to all the created blockchain nodes.

In the exemplary embodiment of the present application, optionally, after synchronizing the smart contract to multiple blockchain nodes, the terminal device or server can connect the constructed blockchain network to the target application. For example, if the blockchain network is applied to a certificate deposit system, the target application can be an application for traceability, an application for reconciliation of the master account, or an application for digital asset transactions. The implementation of this application The examples are not limited.

For example, through the technical solution in this application, a user can build a blockchain through a cloud server. According to the configuration information input by the user, the server or terminal device can automatically build a blockchain network, and the user can write the application layer The code and smart contract code realize the storage system, through the electronic, encrypted signature and data chaining of the evidence to achieve the purpose of preserving the evidence and ensuring that the evidence will not be tampered with.

It can be seen that the implementation of the cloud service-based blockchain construction method shown in Figure 1 can overcome the high learning cost of users to a certain extent, thereby reducing the learning cost of users; and, through the automation of blockchain construction, Reduce the difficulty of promoting blockchain technology.

As an exemplary embodiment, calling a target service from a cloud server according to a block and building a blockchain channel through the target service may include the following steps: determining a preset service from the cloud server according to the block and starting the preset service; Call the target service in the preset service to build a blockchain channel.

In the exemplary embodiment of the present application, the preset service belongs to the service in the blockchain network, and the activation of the preset service can be understood as the activation of the blockchain service. The preset services may include consensus services, data node services, data access services and other services that are used to construct a blockchain network.

It can be seen that implementing this exemplary embodiment can construct a blockchain channel through the target service in the preset service, so as to realize the interconnection and intercommunication between nodes.

As another exemplary embodiment, the preset service includes at least one of a consensus service, a data packaging service, a data node service, and a data access service.

As yet another exemplary embodiment, determining the preset service from the cloud server according to the block may include the following steps: obtaining the preset service image from the cloud server according to the block; determining the preset service corresponding to the preset service image .

In the exemplary embodiment of the present application, the preset service image includes the code corresponding to the preset service, the preset service image is stored in the cloud server, and the cloud server may include the image service. The preset service mirroring may include consensus service mirroring, data node service mirroring, data access service mirroring, and other service mirroring used to construct a blockchain network. The image can be a cloud server containing application programs and configuration information, and the image can also include an operating system or business data. Image Management Service can include image self-service management functions.

It can be seen that by implementing this exemplary embodiment, the preset service image can be obtained through interaction with the cloud server, so as to start the preset service and construct a blockchain network.

As another exemplary embodiment, the cloud service-based blockchain construction method may further include the following steps: constructing a target server according to resource configuration information in the configuration information, and the target server is used to provide server resources for a preset service.

In the exemplary embodiment of the present application, the resource configuration information may include central processing unit (CPU) resources, hard disk resources, memory resources, and the like. Optionally, after constructing the target server according to the resource configuration information in the configuration information, it may further include: initializing the operating environment of the target server and the application to be run, so as to adjust the operating environment and the application to be run to be able to build a blockchain The state of the network.

It can be seen that implementing this exemplary embodiment can configure corresponding server resources for building a blockchain network, so as to realize the automated deployment of the blockchain network.

As yet another exemplary embodiment, calling the target service in the preset service to construct a blockchain channel may include the following steps: determining the target service from the preset service according to the block; calling the target server corresponding to the target service Server resources build blockchain channels.

In the exemplary embodiment of the present application, the server resources corresponding to the target service may be server resources that the terminal device or server needs to run the target service, such as CPU resources, hard disk resources, and memory resources.

It can be seen that implementing this exemplary embodiment can create a blockchain network service for the user by inputting information related to the blockchain network service. After the construction of the blockchain cloud network is completed, users can implement business logic and smart contract development and use terminal equipment or servers to build a blockchain network service to improve the blockchain cloud network and blockchain network services The construction efficiency.

As yet another exemplary embodiment, the cloud service-based blockchain construction method further includes: generating a key corresponding to each blockchain node and uploading a certificate corresponding to the key.

In the exemplary embodiment of this application, the key corresponding to each blockchain node includes a private key and a public key. The certificate corresponding to the key may be a chain certificate, and the certificate is used to prove the area corresponding to the key. The identity of the blockchain node. The chain certificate is the certificate ca.crt saved in the directory where the chain is generated. A chain corresponds to a chain certificate and a private key.

As yet another exemplary embodiment, before generating the block according to the configuration information, it further includes: outputting an interface containing the information to be configured, and storing information corresponding to user operations in the interface as configuration information, and the configuration information is the same as the information to be configured. correspond.

In the exemplary embodiment of the present application, the output interface containing the information to be configured can be understood as an interactive interface for interacting with the user. The interactive interface may include a sorting module, a consensus module, a data node module, and data access. Modules and modules such as secondary node modules, where the information contained in each module may be information to be configured. In addition, it should be noted that the secondary node may be a light node that does not save the full amount of data files, may also be a broadcast node, or may be a mining node, which is not limited in the embodiment of the present application. The above-mentioned broadcast node is used to issue transactions and receive blockchain information from a third party, and the above-mentioned mining node is used to mine virtual currency to create new blocks, as well as to publish information and disseminate transactions.

For example, the user can create the name of the blockchain in the interactive interface, or select one or more consensus algorithms from the consensus algorithms provided by the consensus module in the interactive interface, and determine the underlying block in the interactive interface The version of the chain service. The information corresponding to the user operation performed by the user in the interactive interface can all be stored as configuration information.

In the exemplary embodiment of the present application, the user operation can be a touch operation or a non-touch operation, where the non-touch operation can be a voice input operation, that is, it can be understood as a user input by voice Enter the information in a way so that the terminal device or server stores the information as configuration information.

It can be seen that implementing this exemplary embodiment can show users multiple modules to be deployed through an interactive interface, so that users can understand the information to be configured to construct a blockchain cloud network, and input configuration information according to their needs, compared with users in the prior art Self-build the underlying module of the blockchain, this application improves the experience of building the blockchain network, reduces the learning cost of users, and reduces the difficulty of promoting blockchain technology.

Please refer to FIG. 2, which shows a structural block diagram of a cloud service-based block chain construction device according to an exemplary embodiment of the present application. The cloud service-based block chain construction device includes: a block generation unit 201, a block chain channel construction unit 202, a smart contract activation unit 203, and a smart contract synchronization unit 204.

Among them, the block generation unit 201 is used to generate blocks according to the configuration information and create multiple blockchain nodes; the block chain channel construction unit 202 is used to call the target service from the cloud server according to the block and construct it through the target service Blockchain channel; smart contract activation unit 203, used to call the target node in the blockchain node to activate the smart contract deployed in the blockchain channel; smart contract synchronization unit 204, used to synchronize smart contracts to multiple blockchains Node.

It can be seen that the implementation of the cloud service-based blockchain construction device shown in Figure 2 can overcome the high learning cost of users to a certain extent, thereby reducing the learning cost of users; and, through the automation of blockchain construction, Reduce the difficulty of promoting blockchain technology.

As an exemplary embodiment, the block chain channel construction unit 202 calls the target service from the cloud server according to the block and constructs the block chain channel through the target service specifically as follows: The cloud server determines the preset service and starts the preset service; the blockchain channel construction unit 202 calls the target service in the preset service to build a blockchain channel.

As another exemplary embodiment, the way that the blockchain channel construction unit 202 determines the preset service from the cloud server according to the block is specifically as follows: the blockchain channel construction unit 202 obtains the preset service from the cloud server according to the block Mirror; Blockchain channel construction unit 202 determines the preset service corresponding to the preset service mirror.

As yet another exemplary embodiment, the preset service includes at least one of a consensus service, a data packaging service, a data node service, and a data access service.

As yet another exemplary embodiment, the cloud service-based blockchain construction device further includes a server construction unit (not shown): a server construction unit configured to construct a target server according to the resource configuration information in the configuration information, and the target server Used to provide server resources for preset services.

As yet another exemplary embodiment, the block chain channel construction unit 202 calls the target service in the preset service to construct the block chain channel specifically as follows: the block chain channel construction unit 202 determines from the preset service according to the block The target service is generated; the block chain channel construction unit 202 calls the server resources corresponding to the target service in the target server to construct a block chain channel.

As yet another exemplary embodiment, the cloud service-based blockchain construction device further includes a key generation unit (not shown): a key generation unit for generating a key corresponding to each blockchain node And upload the certificate corresponding to the key.

As yet another exemplary embodiment, the cloud service-based blockchain construction device further includes an interface output unit (not shown) and a configuration information storage unit (not shown), where: the interface output unit is used to The block generating unit 201 outputs an interface containing information to be configured before generating a block according to the configuration information; the configuration information storage unit is used to store information corresponding to user operations in the interface as configuration information, and the configuration information corresponds to the information to be configured.

Since the various functional modules of the cloud service-based blockchain construction device of the exemplary embodiment of this application correspond to the steps of the example embodiment of the above-mentioned cloud service-based blockchain construction method, it is not disclosed in the device embodiment of this application For details, please refer to the embodiment of the cloud service-based blockchain construction method mentioned above in this application.

Please refer to FIG. 3, which shows a schematic structural diagram of a computer system 300 suitable for implementing an electronic device according to an exemplary embodiment of the present application. The computer system 300 of the electronic device shown in FIG. 3 is only an example, and should not bring any limitation to the functions and scope of use of the embodiments of the present application.

As shown in FIG. 3, the computer system 300 includes a central processing unit (CPU) 301, which can follow a program stored in a read-only memory (ROM) 302 or a program loaded from a storage part 308 into a random access memory (RAM) 303 And perform various appropriate actions and processing. In the RAM 303, various programs and data required for system operation are also stored. The CPU 301, the ROM 302, and the RAM 303 are connected to each other through a bus 304. An input/output (I/O) interface 305 is also connected to the bus 304.

The following components are connected to the I/O interface 305: an input part 306 including a keyboard, a mouse, etc.; an output part 307 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and speakers, etc.; a storage part 308 including a hard disk, etc. ; And a communication section 309 including a network interface card such as a LAN card, a modem, etc. The communication section 309 performs communication processing via a network such as the Internet. The driver 310 is also connected to the I/O interface 305 as needed. A removable medium 311, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 310 as needed, so that the computer program read from it is installed into the storage portion 308 as needed.

In particular, according to the embodiments of the present application, the process described above with reference to the flowchart can be implemented as a computer software program. For example, the embodiments of the present application include a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program contains program code for executing the method shown in the flowchart. In such an embodiment, the computer program may be downloaded and installed from the network through the communication part 309, and/or installed from the removable medium 311. When the computer program is executed by the central processing unit (CPU) 301, it executes the above-mentioned functions defined in the system of the present application.

It should be noted that the computer-readable medium shown in this application may be a computer-readable signal medium or a computer-readable storage medium or any combination of the two. The computer-readable storage medium may be, for example, but not limited to, an electric, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. The computer-readable storage medium may be non-volatile or volatile. More specific examples of computer-readable storage media may include, but are not limited to: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. In this application, the computer-readable storage medium may be any tangible medium that contains or stores a program, and the program may be used by or in combination with an instruction execution system, apparatus, or device. In this application, a computer-readable signal medium may include a data signal propagated in a baseband or as a part of a carrier wave, and a computer-readable program code is carried therein. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. The computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium. The computer-readable medium may send, propagate, or transmit the program for use by or in combination with the instruction execution system, apparatus, or device . The program code contained on the computer-readable medium can be transmitted by any suitable medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the above.

The above are only specific implementations of this application, but the protection scope of this application is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in this application. Should be covered within the scope of protection of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims

A method for building a blockchain based on cloud services, which includes:

Generate blocks according to configuration information and create multiple blockchain nodes;

Calling a target service from a cloud server according to the block and building a blockchain channel through the target service;

Calling the target node in the blockchain node to start the smart contract deployed in the blockchain channel;

The smart contract is synchronized to the multiple blockchain nodes.
The method according to claim 1, wherein calling a target service from a cloud server according to the block and constructing a blockchain channel through the target service comprises:

Determine a preset service from the cloud server according to the block and start the preset service;

Call the target service in the preset service to construct a blockchain channel.
The method according to claim 2, wherein determining a preset service from a cloud server according to the block comprises:

Obtaining a preset service image from the cloud server according to the block;

Determine the preset service corresponding to the preset service image.
The method according to claim 2, wherein the preset service includes at least one of a consensus service, a data encapsulation service, a data node service, and a data access service.
The method according to claim 2, further comprising:

A target server is constructed according to the resource configuration information in the configuration information, and the target server is used to provide server resources for the preset service.
The method according to claim 5, wherein calling a target service in the preset service to construct a blockchain channel comprises:

Determining a target service from the preset service according to the block;

Invoke server resources corresponding to the target service in the target server to construct a blockchain channel.
The method according to claim 1, further comprising:

Generate a key corresponding to each of the blockchain nodes and upload a certificate corresponding to the key.
A block chain construction device based on cloud services, which includes:

Block generation unit, used to generate blocks according to configuration information and create multiple blockchain nodes;

A block chain channel construction unit, configured to call a target service from the cloud server according to the block and construct a block chain channel through the target service;

The smart contract activation unit is used to call the target node in the blockchain node to activate the smart contract deployed on the blockchain channel;

The smart contract synchronization unit is used to synchronize the smart contract to the multiple blockchain nodes.
An electronic device comprising a memory and a processor, the processor and the memory are connected to each other, wherein the memory is used to store a computer program, the computer program includes program instructions, and the processor is used to execute The program instructions of the memory, wherein:

Generate blocks according to configuration information and create multiple blockchain nodes;

Calling a target service from a cloud server according to the block and building a blockchain channel through the target service;

Calling the target node in the blockchain node to start the smart contract deployed in the blockchain channel;

The smart contract is synchronized to the multiple blockchain nodes.
The electronic device according to claim 9, wherein the processor is configured to:

Determine a preset service from the cloud server according to the block and start the preset service;

Call the target service in the preset service to construct a blockchain channel.
The electronic device according to claim 10, wherein the processor is configured to:

Obtaining a preset service image from the cloud server according to the block;

Determine the preset service corresponding to the preset service image.
The electronic device according to claim 10, wherein the preset service includes at least one of a consensus service, a data encapsulation service, a data node service, and a data access service.
The electronic device according to claim 10, wherein the processor is configured to:

A target server is constructed according to the resource configuration information in the configuration information, and the target server is used to provide server resources for the preset service.
The electronic device according to claim 13, wherein the processor is configured to:

Determining a target service from the preset service according to the block;

Invoke server resources corresponding to the target service in the target server to construct a blockchain channel.
The electronic device according to claim 9, wherein the processor is configured to:

Generate a key corresponding to each of the blockchain nodes and upload a certificate corresponding to the key.
A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, the computer program includes program instructions, and when the program instructions are executed by a processor, they are used to implement the following steps:

Generate blocks according to configuration information and create multiple blockchain nodes;

Calling a target service from a cloud server according to the block and building a blockchain channel through the target service;

Calling the target node in the blockchain node to start the smart contract deployed in the blockchain channel;

The smart contract is synchronized to the multiple blockchain nodes.
The computer-readable storage medium according to claim 16, wherein when the program instructions are executed by the processor, they are further used to implement the following steps:

Determine a preset service from the cloud server according to the block and start the preset service;

Call the target service in the preset service to construct a blockchain channel.
The computer-readable storage medium according to claim 17, wherein when the program instructions are executed by the processor, they are further used to implement the following steps:

Obtaining a preset service image from the cloud server according to the block;

Determine the preset service corresponding to the preset service image.
The computer-readable storage medium according to claim 17, wherein the preset service includes at least one of a consensus service, a data packaging service, a data node service, and a data access service.
The computer-readable storage medium according to claim 17, wherein when the program instructions are executed by the processor, they are further used to implement the following steps:

A target server is constructed according to the resource configuration information in the configuration information, and the target server is used to provide server resources for the preset service.