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Intelligent contract engineering method

A smart contract and consistency technology, applied in instruments, electrical digital data processing, computing, etc., can solve problems such as high cost, limited system behavior, and difficulty in finding errors

Active Publication Date: 2018-03-09
BEIHANG UNIV
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Problems solved by technology

Simulation and testing are carried out on the abstract model of the system and the actual system respectively. The general method is to give input at a certain point of the system and observe the output at another point. These methods are very expensive, and because the system behavior that can be covered by the experiment is limited, Difficult to spot all potential bugs

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Embodiment Construction

[0055] In view of this, the present invention designs a smart contract operation model based on formal methods and carrying proofs, and uses formal methods to model, verify, test and automatically generate codes for smart contracts. The entire life cycle of the contract.

[0056] Apply formal methods to smart contract descriptions, including steps:

[0057] According to the demand put forward by the user, this demand is described in natural language. In order to model and code the smart contract, the demand proposed by the user must be described in an informal specification (natural language) through a formal description. into a formalized specification;

[0058] The complexity of contract behavior increases the difficulty of behavior description, so it is necessary to use a language or a technology to accurately describe the system behavior. Although natural language has strong expressive power and is easy to understand, it is not strict, imprecise, and has dual However, fo...

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Abstract

The invention provides an intelligent contract forming method. The method is characterized by comprising the following steps of converting a non-formalized intelligent contract description document into a description document in a formalized specification; according to the description document in the formalized specification of an intelligent contract, creating dynamic models of the intelligent contract; achieving conversion among different dynamic models of the intelligent contract; verifying the correctness of the dynamic models of the intelligent contract; after the correctness verificationis successful, automatically generating intelligent contract codes according to the dynamic models of the intelligent contract; conducting consistency detection on the description document in the formalized specification of the intelligent contract and the generated intelligent contract codes.

Description

technical field [0001] The invention relates to the field of smart contract verification, in particular to a method for generating smart contracts. Background technique [0002] Smart contract refers to the embedding of contract terms into software and hardware, and promotes the execution of contracts through contracts and user interfaces. It is the key to our safe and digital relationship on the Internet. The core of a smart contract is an algorithmic contract, that is, the parties agree to determine the content of the contract, conclude the contract, and perform the contract based on a certain computer algorithm. [0003] Smart contracts have the following main characteristics: [0004] Feature 1: All asset items stored in the smart contract must be legal and valid, and the operating unit or individual must have legal ownership in law. [0005] Feature 2: The program of the smart contract must be a legally recognized program so that it has legal effect. That is, the con...

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Application Information

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IPC IPC(8): G06F8/20G06F11/36
CPCG06F8/22G06F11/3684
Inventor 胡凯白晓敏黄洁华陈志东
Owner BEIHANG UNIV
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