CN111427555A - Lightweight intelligent contract framework and contract development method - Google Patents
Lightweight intelligent contract framework and contract development method Download PDFInfo
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- CN111427555A CN111427555A CN202010236371.5A CN202010236371A CN111427555A CN 111427555 A CN111427555 A CN 111427555A CN 202010236371 A CN202010236371 A CN 202010236371A CN 111427555 A CN111427555 A CN 111427555A
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Abstract
The invention relates to a light-weight intelligent contract framework and a contract development method, wherein the contract framework comprises an intelligent contract generator, a user creates a project according to the prompt of the intelligent contract generator, selects an application template and compiles a contract according to business logic; the intelligent contract compiler container group is used for deploying different compiling tool chain versions and compiling contracts; and the block chain test network container group establishes a test network topology according to a preset block chain network model to test the intelligent contract. The invention organically connects a plurality of stages for developing the intelligent contract in series, integrates the customization tool based on the existing system, and has the characteristics of high development speed and convenient use; through the separation of the front end and the back end, a user only needs to perform related visual operation through the front end of the browser, the back end automatically completes the subsequent steps, unnecessary technical details are hidden, and the threshold of developing and using an intelligent contract by the user is reduced.
Description
Technical Field
The invention relates to the field of block chains, in particular to a lightweight intelligent contract framework and a contract development method.
Background
From 2009, bitcoin was released to the present, a blockchain has gone through ten years, and discussion in a range from a small number gradually enters the public view, during which various concepts and technologies are continuously proposed, understood and perfected, and various technologies such as hash operation, digital signature, consensus algorithm, intelligent contract and the like are increasingly developed, wherein the development of the intelligent contract can be a milestone of the blockchain technology development, and the blockchain is developed from the initial single digital currency application to be integrated into various fields such as finance, government affairs service, supply chain, games and the like.
A so-called intelligent contract, i.e. a set of commitments defined in a digital form, includes a protocol on which the commitments can be executed by contract participants, and in short, is a computer program stored on a blockchain and automatically executed by the blockchain when a certain condition is met. The intelligent contract execution method has the significance that the traditional contract is electronized, the traditional contract endorsement execution is revolutionarily replaced by code, and a decentralized and tamper-proof platform such as a block chain can ensure that the intelligent contract can be executed certainly.
The current blockchain platforms with more intelligent contract deployments are bitcoin, ether house and super book, and by taking the ether house as an example, a user needs to develop an intelligent contract through a solid language, compile the intelligent contract into byte codes, issue the byte codes to the blockchain platform, and run on an EVM (ether house virtual machine). At present, the development of the intelligent contract is still in an early stage, related supporting facilities are not perfect, and a user needs to learn more concepts and knowledge and master numerous tools to develop, deploy, test and run the intelligent contract.
Compared with general code writing, the current intelligent contract code writing mainly has the following defects that firstly, the reusability is poor, as the intelligent contract is still in the initial development stage, the corresponding tool chain is not perfect, for a user, enough contract libraries are lacked, so that the repetition of basic logic is caused, the development and maintenance cost is obviously improved, and the subsequent service integration is difficult. Secondly, the new rules and grammars are poorly understood, and although the intelligent contracts are also implemented based on the programming language, the intelligent contracts have special rules, general programming language grammar detection tools and the like can only make common grammar errors, and the concepts and logics of the blockchains are not understood, and the concepts and logics are the most important and error-prone places in the intelligent contract writing process. Thirdly, the debugging and testing process is complex, the intelligent contract depends on a block chain network, the block chain network is lacked, and the intelligent contract cannot be executed independently, so that the written intelligent contract is difficult to test quickly, and compared with general program writing, the time for obtaining feedback is too long, so that the development efficiency is low.
In summary, it is necessary to design an intelligent contract framework that is easy to develop and integrate, so as to help users reduce the application threshold of the intelligent contract and improve the application efficiency of the block chain in various fields.
Disclosure of Invention
The invention aims to provide a lightweight intelligent contract framework and a contract development method, which solve the problems of efficient development, compiling and testing of intelligent contracts in the block chain application process.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a lightweight intelligent contract framework comprises
The intelligent contract generator is used for prompting to create a project according to the intelligent contract generator, selecting an application template and compiling a contract according to business logic;
the intelligent contract compiler container group is used for deploying different compiling tool chain versions and compiling contracts;
and the block chain test network container group establishes a test network topology according to a preset block chain network model to test the intelligent contract.
Furthermore, the intelligent contract generator is a browser editor and comprises a template management module, a library management module, a grammar detection module, a semantic enhancement module, a logic detection module and an intelligent prompt module;
the template management module is used for providing various application templates;
the grammar detection module is used for carrying out grammar detection according to a programming language specification tool;
the semantic enhancement module is used for detecting block chain information;
the logic detection module is used for carrying out static analysis on the contract file;
the dependency library module is used for quoting basic contracts in the tool library according to rules and automatically importing the contracts during compiling so as to modularize contract services;
the intelligent prompting module is used for combining the grammar detection module and the semantic enhancement module to prompt and automatically generate whether the user edits in real time.
Further, the template management module comprises a template library, an intelligent contract and a tool library, wherein the template library is used for creating the contract of the template contract, the intelligent contract is issued to the block chain network after being completed, and the tool library is a basic function set.
Further, the block chain test network container group automatically pulls the block chain network node containers according to the configuration, and a block chain network is established among the block chain network node containers.
A development method of an intelligent contract framework based on light weight comprises the following steps:
downloading a frame installation tool, and establishing an integrated environment by using a tool command;
pulling an intelligent contract generator, creating a project at a browser address by a user, and selecting an application template for contract development;
sending the completed intelligent contract to an intelligent contract compiler container group, and pulling a compiling tool chain and a container of a specific version required by operation by the intelligent contract compiler container group according to the set configuration parameters;
after the intelligent contract is successfully compiled, the generated byte codes are sent to a block chain network, a block chain test network container group is used for establishing a test network topology according to a preset block chain network model to test the intelligent contract.
Further, the intelligent contract compiler container group automatically pulls the blockchain network node containers according to the configuration, and establishes a blockchain network among the blockchain network node containers.
And further, creating an engineering type according to the prompt, selecting a template engineering to generate a predefined template engineering folder, selecting a library engineering or a contract engineering to create the engineering folder through the existing template of the template library, wherein different projects correspond to different deployment addresses, the template engineering is issued to the template library, the library engineering is issued to the dependent library, and the contract engineering is issued to the block chain network.
Furthermore, the compiling result of the intelligent contract is sent to the front end of the browser in real time, and the user checks the compiling result according to the log message.
Compared with the prior art, the invention has the following beneficial effects:
the invention organically connects a plurality of stages for developing the intelligent contract in series, integrates the customization tool on the basis of fully utilizing the existing system tool, and has the characteristics of high development speed, convenient use and the like; the container technology is adopted to isolate the operations at different stages, and the method has the advantages of easy assembly and convenient integration; meanwhile, through the separation of the front end and the back end, a user only needs to perform related visual operation through the front end of the browser, and the back end automatically completes the subsequent steps, so that unnecessary technical details are hidden, and the threshold of developing and using an intelligent contract by the user is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
fig. 1 is a schematic structural diagram of a lightweight intelligent contract framework according to an embodiment of the present invention;
FIG. 2 is a flow diagram of a contract framework based development method according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
FIG. 1 is a schematic structural diagram of a lightweight intelligent contract framework according to an embodiment of the present invention, including
The intelligent contract generator is used for prompting to create a project according to the intelligent contract generator, selecting an application template and compiling a contract according to business logic;
the intelligent contract compiler container group is used for deploying different compiling tool chain versions and compiling contracts;
and the block chain test network container group establishes a test network topology according to a preset block chain network model to test the intelligent contract.
The basic process of intelligent contract development comprises three stages of contract compiling, contract compiling and contract testing deployment, a framework is optimized for each stage, each stage is automatically connected in series through a container arranging technology, and an intelligent contract compiler container group and a block chain testing network container group are composed of one or more containers and are isolated from each other. The framework is responsible for the integration and the construction of the whole system, and after the system is started, a user can participate in the development of the intelligent contract only by accessing an externally disclosed browser address through the system.
In the contract writing stage, a user writes codes by using a corresponding programming language according to business logic and generates an intelligent contract source file, and an intelligent contract generator prompts to create a corresponding project according to the requirements of the user, provides an application template and improves the writing experience of an intelligent contract.
The intelligent contract generator is a text editor and comprises a template management module, a dependency library module, a grammar detection module, a semantic enhancement module, a logic detection module and an intelligent prompt module; the system comprises a template management module, a dependency library module, a grammar detection module, a semantic enhancement module and a logic detection module, wherein the template management module and the dependency library module are mainly used for solving the problem of contract reusability, the grammar detection module, the semantic enhancement module and the logic detection module are mainly used for error monitoring and discovering contract vulnerabilities in advance, and an intelligent prompt module is mainly used for experience enhancement and is convenient for users to use.
Specifically, the template management module is used for providing various application templates, and comprises a grammar detection module for carrying out grammar detection according to a programming language specification tool; the semantic enhancement module is used for detecting block chain information; the logic detection module is used for carrying out static analysis on the contract file; the dependency library module is used for quoting basic contracts in the tool library according to rules and automatically importing the contracts during compiling so as to modularize contract services; the intelligent prompting module is used for combining the grammar detection module and the semantic enhancement module to prompt and automatically generate whether the user edits in real time.
When a user creates a project, the template is quoted according to the prompt of the intelligent contract generator, the template management module comprises three types of templates, contracts and tool libraries, the template is a contract used for creating the template contract and is issued to the template library after being written, the contract is a conventional intelligent contract and is issued to a block of a block chain after being completed, and the tool library is a basic function set and is used for being quoted by other intelligent contracts and is issued to the tool library after being completed.
After the project is established, a user compiles a contract according to business logic, and in the process of compiling the contract, the contract is checked by a grammar detection module, a semantic enhancement module, an intelligent prompting module, a logic error detection module and a dependency library management module. The intelligent prompting module is mainly combined with the grammar detection module and the semantic enhancement module to prompt and automatically generate in real time when a user writes, the logic error detection is mainly realized by static analysis of a contract file, logic errors such as dead cycles are avoided, the dependency library module is responsible for quoting basic contracts in a tool library according to rules, and automatic import is realized during compiling, so that modularization of contract services is realized.
In the contract compiling stage, when a user compiles, the contract can be automatically sent to a rear-end intelligent contract compiler container group, different versions of different compiling tool chains are deployed in the container, and the trouble of installing and configuring by developers manually and the switching between tool versions are avoided.
In a contract deployment test stage, the block chain test network container group automatically pulls the block chain network node containers according to configuration, and a block chain network is established among the block chain network node containers.
FIG. 2 shows a flowchart of a contract framework-based intelligent contract development method according to an embodiment of the invention, comprising the following steps:
downloading a mounting frame tool, using a docker command tool and a docker-compound tool to command one key to start building an integrated environment, and using a container arrangement tool to complete subsequent operations in the background sequentially by the frame.
Pulling an intelligent contract generator, creating a project at a browser address by a user, and selecting an application template for contract development;
when a user uses a browser to operate, firstly, an engineering type is created according to a prompt, a predefined template engineering folder is generated by selecting a template engineering, an engineering folder is created by selecting a library engineering or a contract engineering through an existing template of a template library, different projects correspond to different deployment addresses, the template engineering is issued to the template library, the library engineering is issued to a dependent library, and the contract engineering is issued to a block chain network. After different types of projects are created, the writing process is basically the same, an intelligent contract generator prompts errors or warnings according to user input, when the errors or warnings occur, the user can only compile the projects by completely eliminating the error prompts, but the final deployed addresses of the different projects are different, the template projects are issued to a template library warehouse and are convenient to use when a new project is subsequently built, the library projects are issued to a dependent library warehouse and are convenient to quickly multiplex when an intelligent contract is written, and the contract projects are sent to a block chain network and are called by other users.
When the user completes the writing of the intelligent contract and the generator does not prompt an error, the user can use the compiling button to send the intelligent contract to the intelligent contract compiling container group at the back end. The intelligent contract compiler container group pulls a compiling tool chain and a container of a specific version required by operation according to set configuration parameters for compiling the intelligent contract, a compiling result is transmitted to the front end of the browser in real time, a user checks whether the compiling result is correct according to log information, and the user can select a plurality of compiling tools or tool versions at one time because the compiling environment is isolated by using an independent container, and the intelligent contract compiling tool depends on an intelligent contract language and service requirements used by the user.
The intelligent contract compiling method comprises the steps that after the intelligent contract compiling is successful, byte codes are generated and sent to a block chain network, the byte codes are stored in blocks of a block chain and can be adopted and operated by other people, when a framework is started, node containers of the block chain network are automatically pulled according to configuration, the block chain network is established among the node containers, a user can click a test deployment button in a browser to send the compiled intelligent contract to a rear-end test network address, and after the intelligent contract compiling is successful, the user can see a topological graph of the test network and contract deployment conditions in the browser.
And the compiling result of the intelligent contract is sent to the front end of the browser in real time, and the user checks the compiling result according to the log message. The user can test and debug the contract by writing a test contract, after the test is successful, the user needs to submit the contract to a relevant service department for examination and deploy the contract into a real block chain network, and the step is not in the implementation range of the frame.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A lightweight intelligent contract framework, characterized in that: comprises that
The intelligent contract generator is used for prompting to create a project according to the intelligent contract generator, selecting an application template and compiling a contract according to business logic;
the intelligent contract compiler container group is used for deploying different compiling tool chain versions and compiling contracts;
and the block chain test network container group establishes a test network topology according to a preset block chain network model to test the intelligent contract.
2. The light-weight smart contract framework of claim 1, characterized in that: the intelligent contract generator is a browser editor and comprises a template management module, a library management module, a grammar detection module, a semantic enhancement module, a logic detection module and an intelligent prompt module;
the template management module is used for providing various application templates;
the grammar detection module is used for carrying out grammar detection according to a programming language specification tool;
the semantic enhancement module is used for detecting block chain information;
the logic detection module is used for carrying out static analysis on the contract file;
the dependency library module is used for quoting basic contracts in the tool library according to rules and automatically importing the contracts during compiling so as to modularize contract services;
the intelligent prompting module is used for combining the grammar detection module and the semantic enhancement module to prompt and automatically generate whether the user edits in real time.
3. The light-weight smart contract framework of claim 2, wherein: the template management module comprises a template library, an intelligent contract and a tool library, wherein the template library is used for creating a contract of the template contract, the intelligent contract is issued to the block chain network after being completed, and the tool library is a basic function set.
4. The light-weight smart contract framework of claim 1, characterized in that: the block chain test network container group automatically pulls the block chain network node containers according to the configuration, and a block chain network is established among the block chain network node containers.
5. The method for developing a contract based on a lightweight smart contract framework according to any one of claims 1 to 4, comprising the steps of:
downloading a frame installation tool, and establishing an integrated environment by using a tool command;
pulling an intelligent contract generator, creating a project at a browser address by a user, and selecting an application template for contract development;
sending the completed intelligent contract to an intelligent contract compiler container group, and pulling a compiling tool chain and a container of a specific version required by operation by the intelligent contract compiler container group according to the set configuration parameters;
after the intelligent contract is successfully compiled, the generated byte codes are sent to a block chain network, a block chain test network container group is used for establishing a test network topology according to a preset block chain network model to test the intelligent contract.
6. The contract development method of claim 5, wherein the intelligent contract compiler container group automatically pulls blockchain network node containers according to configuration and establishes blockchain networks between blockchain network node containers.
7. The contract development method according to claim 5, wherein a user creates a project type according to a prompt, a predefined template project folder is generated by selecting a template project, a project folder is created by selecting a library project or a contract project through an existing template of a template library, different projects correspond to different deployment addresses, the template project is issued to the template library, the library project is issued to a dependent library, and the contract project is issued to a blockchain network.
8. The contract development method according to claim 7, wherein the compilation result of the intelligent contract is sent to the browser front end in real time, and the user views the compilation result according to the log message.
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| CN113254054A (en) * | 2021-06-09 | 2021-08-13 | 上海万向区块链股份公司 | Intelligent contract one-stop development system and method |
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