CN112070567A - Quality control system based on block chain and control method thereof - Google Patents

Quality control system based on block chain and control method thereof Download PDF

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CN112070567A
CN112070567A CN201910502582.6A CN201910502582A CN112070567A CN 112070567 A CN112070567 A CN 112070567A CN 201910502582 A CN201910502582 A CN 201910502582A CN 112070567 A CN112070567 A CN 112070567A
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seller
commodity
purchaser
information
blockchain
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CN112070567B (en
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李洋
冷合礼
吴鹏飞
郭乾继
熊媛媛
赵晨
单志刚
黄振兴
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Karos Iot Technology Co ltd
Qingdao Haichain Digital Technology Co ltd
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Qingdao Yunshang Yuyi Iot Technology Co ltd
Qingdao Haichain Digital Technology Co ltd
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Co Ltd
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Priority to CN201910502582.6A priority Critical patent/CN112070567B/en
Priority to PCT/CN2020/094915 priority patent/WO2020248937A1/en
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Abstract

The invention belongs to the technical field of block chains and aims to solve the problem that the safety and authenticity of a quality control system are very low due to the risk of artificially tampering data in the conventional quality control system. To this end, the invention provides a quality control system based on a block chain and a control method thereof, wherein the control method comprises the following steps: acquiring commodity information input by a seller; generating a commodity intelligent contract corresponding to the commodity information and synchronizing the commodity intelligent contract into the block chain; acquiring purchasing information and/or evaluation information input by a purchaser based on rules of a commodity intelligent contract and synchronizing the purchasing information and/or the evaluation information into a block chain; and grading the quality of the commodity according to the purchase information and/or the evaluation information. According to the quality control system and the data processing method, the block chain technology is adopted, so that data in the quality control system cannot be tampered, and the safety and the authenticity of the quality control system are improved.

Description

Quality control system based on block chain and control method thereof
Technical Field
The invention belongs to the technical field of block chains, and particularly provides a quality control system based on a block chain and a control method thereof.
Background
The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm. The block chain is an important concept of the bitcoin, is essentially a decentralized database, and is used as a bottom-layer technology of the bitcoin, namely a series of data blocks which are generated by correlation by using a cryptographic method, wherein each data block contains information of a batch of bitcoin network transactions for verifying the validity (anti-counterfeiting) of the information and generating a next block.
In the prior art, by taking a merchant and a consumer as examples, the merchant provides commodities, the consumer purchases the commodities, and the merchant needs to know the evaluation of the commodity by the consumer and the credit of the merchant in time, so that a plurality of quality control systems are provided.
Therefore, there is a need in the art for a quality control system based on a block chain and a control method thereof to solve the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the security and the authenticity of the quality control system are very low due to the risk of artificially tampering data in the existing quality control system, the present invention provides a control method for a quality control system based on a block chain, the control method comprising: acquiring commodity information input by a seller; generating a commodity intelligent contract corresponding to the commodity information and synchronizing the commodity intelligent contract into the block chain; acquiring purchasing information and/or evaluation information input by a purchaser based on rules of a commodity intelligent contract and synchronizing the purchasing information and/or the evaluation information into a block chain; and grading the quality of the commodity according to the purchase information and/or the evaluation information.
In a preferred embodiment of the above control method, before the step of "acquiring the commodity information input by the seller", the control method further includes: acquiring registration information input by a seller; generating a blockchain account of the seller according to the registration information input by the seller and synchronizing the blockchain account into a blockchain; generating a private key of a seller and a public key of the seller; sending the private key of the seller, the public key of the seller and the address of the block chain to the seller; the private key of the seller corresponds to the public key of the seller one by one.
In a preferred embodiment of the above control method, before the step of "acquiring the purchase information and/or evaluation information input by the purchaser based on the rule of the commodity intelligent contract and synchronizing the acquired purchase information and/or evaluation information with the blockchain", the control method further includes: acquiring registration information input by a purchaser; generating a blockchain account of the purchaser according to registration information input by the purchaser and synchronizing the blockchain account into a blockchain; generating a private key of a purchaser and a public key of the purchaser; sending the private key of the purchaser, the public key of the purchaser and the address of the blockchain to the purchaser; wherein, the private key of the purchaser corresponds to the public key of the purchaser one to one.
In a preferred technical solution of the above control method, the step of "acquiring the commodity information input by the seller" specifically includes: acquiring a transaction request of commodity information input by a seller; the public key of the seller is used for carrying out identity verification on the transaction request of the commodity information; acquiring commodity information input by a seller after the identity authentication is passed; the transaction request of the commodity information is a transaction request signed by a private key of a seller.
In a preferred embodiment of the above control method, the step of "acquiring purchase information and/or evaluation information input by a purchaser" specifically includes: acquiring a transaction request of inputting purchase information and/or evaluation information by a purchaser; authenticating the transaction request of the purchase information and/or the evaluation information by using the public key of the purchaser; obtaining the purchasing information and/or evaluation information input by the purchaser after the identity authentication is passed; wherein the transaction request for the purchase information and/or the rating information is a transaction request signed by a private key of the purchaser.
In a preferred technical solution of the above control method, the step of "generating a blockchain account of the seller according to registration information input by the seller and synchronizing the blockchain account into the blockchain" specifically includes: verifying the registration information input by the seller; after the audit is passed, the blockchain account of the seller is generated and synchronized into the blockchain.
In a preferred embodiment of the above control method, the step of "generating a blockchain account of the purchaser according to registration information input by the purchaser and synchronizing the blockchain account with the blockchain" includes: checking the registration information input by the purchaser; the blockchain account for the purchaser is generated and synchronized into the blockchain after the review passes.
In a preferred embodiment of the control method, after the step of "rating the quality of the product based on the purchase information and/or the evaluation information", the control method further includes: and performing credit evaluation on the seller according to the quality rating result of the commodity.
In another aspect, the present invention further provides a quality control system based on a block chain, where the quality control system includes: a seller acquisition module capable of acquiring commodity information input by a seller; a purchaser obtaining module capable of obtaining purchase information and/or evaluation information input by a purchaser; a control module capable of generating a commodity intelligent contract corresponding to the commodity information, synchronizing the commodity intelligent contract into the blockchain, and synchronizing the purchase information and/or the evaluation information into the blockchain; and the quality evaluation module can grade the quality of the commodity according to the purchase information and/or the evaluation information.
In an preferable embodiment of the quality control system, the quality control system further includes: and the credit evaluation module can perform credit evaluation on the seller according to the quality rating result of the commodity.
As can be understood by those skilled in the art, in the preferred technical solution of the present invention, by adopting a blockchain technique in the quality control system, data in the quality control system cannot be tampered with, the commodity rating supported by such data is more authentic, and the blockchain and the commodity intelligent contract are both open, providing a more fair application environment, so that there is no dark box operation on each operation logic and business rule in the quality control system, and improving the security of the quality control system.
Furthermore, each transaction of the seller can be traced back to the initiator of the seller by the signature of the private key of the seller and then the verification of the public key of the seller is used, so that the seller cannot forge the transaction.
Furthermore, each transaction of the purchaser can be traced back to the initiator of the purchaser by the signature of the private key of the purchaser and then using the verification of the public key of the purchaser, thereby ensuring that the purchaser cannot forge the transaction.
Furthermore, after the quality of the commodity is graded, the seller is subjected to credit evaluation according to the quality of the commodity, and the credit evaluation is more authentic, so that the seller can improve the quality of the commodity in time.
Drawings
Fig. 1 is a flowchart of a control method of a quality control system based on a block chain according to the present invention;
fig. 2 is a flowchart of an embodiment of a control method of the quality control system based on a block chain according to the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The invention provides a quality control system based on a block chain and a control method thereof, aiming at solving the problems that the existing quality control system pointed out by the background technology has the risk of artificially tampering data, so that the safety and the authenticity of the quality control system are very low.
Specifically, the quality control system based on the block chain of the present invention includes: a seller acquisition module capable of acquiring commodity information input by a seller; a purchaser obtaining module capable of obtaining purchase information and/or evaluation information input by a purchaser; a control module capable of generating a commodity intelligent contract corresponding to the commodity information, synchronizing the commodity intelligent contract into the blockchain, and synchronizing the purchase information and/or the evaluation information into the blockchain; and the quality evaluation module can grade the quality of the commodity according to the purchase information and/or the evaluation information. The seller acquisition module, the buyer acquisition module and the evaluation module are all in communication with the control module, wherein the seller acquisition module and the buyer acquisition module may be entity modules, for example, the seller acquisition module is a seller computer, a mobile phone, and the like, and similarly, the buyer acquisition module is a buyer computer, a mobile phone, and the like. Similarly to the above, the evaluation module may be a physical module or a virtual module. As shown in fig. 1, the control method of the present invention includes: acquiring commodity information input by a seller; generating a commodity intelligent contract corresponding to the commodity information and synchronizing the commodity intelligent contract into the block chain; acquiring purchasing information and/or evaluation information input by a purchaser based on rules of a commodity intelligent contract and synchronizing the purchasing information and/or the evaluation information into a block chain; and grading the quality of the commodity according to the purchase information and/or the evaluation information. In practical application, a seller can directly input all commodity information, or input an initialization parameter to put on a shelf a special commodity (the special commodity has corresponding commodity information), and generate a commodity intelligent contract corresponding to the commodity information. It should be noted that the intelligent contract for the commodity is bound with information of a seller, and can also describe the property and the state of the commodity, and at the same time, the intelligent contract also has contract rules and defines functions of all circulation links (such as first purchase, second purchase, recommended purchase, evaluation and the like of a buyer), and all the circulation links are stored in a block in the form of block chain transaction, and all the contents in the intelligent contract are transparent and open.
The quality of the product may be rated only by the purchase information, may be rated only by the evaluation information, or may be rated by both the purchase information and the evaluation information. Further, it should be noted that, in practical applications, a person skilled in the art may flexibly set a specific evaluation rule of the quality of the product, for example, the quality of the product is rated only by purchase information, the purchase information includes a first purchase, a second purchase and a recommended purchase, wherein the first purchase indicates that the purchaser primarily approves the product, the weight of the first purchase indicates that the purchaser further approves the product, the weight of the second purchase indicates that the purchaser further approves the product, the weight of the recommended purchase indicates that the purchaser highly approves the product, the weight of the recommended purchase indicates that the purchaser may be C, wherein the weight of A, B, C is sequentially increased, the quality score of the product is obtained by calculating the weight and the basic score, for example, a is 0.2, B is 0.3, C is 0.5, the basic score is 100, the full score is (a + B + C) × 100, and the user is assumed to give a score of 90 at the time of the first purchase, the secondary purchase and the recommended purchase both give a score of 100, and the final score given by the purchaser is calculated to be 98. When the buyer does not have secondary purchase and recommended purchase, the weight of a may be adjusted to 1, that is, the user gives a final score of 90 points, and the above example scheme may be implemented by setting rules of a commodity intelligent contract. It can be seen that through the comprehensive assessment by multiple buyers, a very objective and fair quality rating can be performed on the goods and all transactions can be traced. It should be noted that the intelligent contract for the commodity is initially set (before the commodity information is input to the quality control system in the direction of sale), and once set, the intelligent contract for the commodity cannot be changed or tampered.
Preferably, before the step of "acquiring the commodity information input by the seller", the control method of the present invention further includes: acquiring registration information input by a seller; generating a blockchain account of the seller according to the registration information input by the seller and synchronizing the blockchain account into a blockchain; generating a private key of a seller and a public key of the seller; sending the private key of the seller, the public key of the seller and the address of the block chain to the seller; the private key of the seller corresponds to the public key of the seller one by one. The registration information may include sales qualification information, name information, address information, contact information, and the like of the seller. Preferably, the step of "acquiring the commodity information input by the seller" specifically includes: acquiring a transaction request of commodity information input by a seller; the public key of the seller is used for carrying out identity verification on the transaction request of the commodity information; acquiring commodity information input by a seller after the identity authentication is passed; the transaction request of the commodity information is a transaction request signed by a private key of a seller. That is to say, each operation of the seller can be regarded as one transaction, when the seller issues a commodity as an initiator, the seller needs to use a private key of the seller to sign a transaction request, a node in the block chain uses a public key of the seller to authenticate the identity of the transaction, and after the identity authentication is passed, the commodity information input by the seller is obtained, so that the system generates a commodity intelligent contract corresponding to the commodity information according to the commodity information input by the seller, and synchronizes the commodity intelligent contract into the block chain. Preferably, the step of generating a blockchain account of the seller according to the registration information input by the seller and synchronizing the blockchain account into the blockchain specifically includes: verifying the registration information input by the seller; after the audit is passed, the blockchain account of the seller is generated and synchronized into the blockchain. That is, when a seller registers, the qualification of the seller needs to be checked first, and after the qualification is checked, the seller is allowed to register.
Preferably, before the step of "acquiring the purchase information and/or evaluation information input by the purchaser based on the rule of the commodity intelligent contract and synchronizing into the blockchain", the control method of the present invention further includes: acquiring registration information input by a purchaser; generating a blockchain account of the purchaser according to registration information input by the purchaser and synchronizing the blockchain account into a blockchain; generating a private key of a purchaser and a public key of the purchaser; sending the private key of the purchaser, the public key of the purchaser and the address of the blockchain to the purchaser; wherein, the private key of the purchaser corresponds to the public key of the purchaser one to one. The registration information may include purchase qualification information, name information, address information, contact information, etc. of the purchaser. Preferably, the step of "acquiring the purchase information and/or evaluation information input by the purchaser" specifically includes: acquiring a transaction request of inputting purchase information and/or evaluation information by a purchaser; authenticating the transaction request of the purchase information and/or the evaluation information by using the public key of the purchaser; obtaining the purchasing information and/or evaluation information input by the purchaser after the identity authentication is passed; wherein the transaction request for the purchase information and/or the rating information is a transaction request signed by a private key of the purchaser. That is, each operation of the purchaser may be regarded as a transaction, when the purchaser purchases and/or evaluates the commodity as an initiator, the transaction request needs to be signed by using a private key of the purchaser, a node in the block chain authenticates the transaction by using a public key of the purchaser, furthermore, a consensus algorithm may be used to authenticate the validity of the transaction, the validity of the transaction is authenticated by using function logic in a commodity intelligent contract, and after the authentication is passed, the purchase information and/or evaluation information input by the purchaser is obtained, so that the purchase information and/or evaluation information input by the purchaser is synchronized into the block chain, so that the system may grade the commodity according to the purchase information and/or evaluation information. Preferably, the step of generating and synchronizing the blockchain account of the purchaser into the blockchain according to the registration information input by the purchaser includes: checking the registration information input by the purchaser; the blockchain account for the purchaser is generated and synchronized into the blockchain after the review passes. That is, when the buyer is registered, the qualification of the buyer needs to be checked first, and after the qualification is passed, the buyer is allowed to register.
In summary, the present invention can register the goods of the seller as the digital assets of the seller on the blockchain, so that the goods and the seller have a strong binding relationship. The first purchase, the recommended purchase, the secondary purchase, the evaluation and other behaviors of the buyer can be used as the digital asset rating corresponding to the commodity, any rating behavior is recorded in the block chain by utilizing the rules of the intelligent contract and the non-falsification of the block chain, and the obtained rating result can be traced through the block chain. Based on the characteristics of the blockchain, the information is publicly transparent and cannot be tampered. Meanwhile, any operation is signed by the private key of the user with the block chain, so that counterfeiting is prevented, the commodity quality can be traced, the commodity quality can be monitored, any manual operation is avoided, and the data is more authentic.
Preferably, the quality control system of the present invention further comprises: and the credit evaluation module can perform credit evaluation on the seller according to the quality rating result of the commodity. The credit evaluation module is communicated with the control module, and the credit evaluation module can be an entity module or a virtual module. After the step of "rating the quality of the commodity according to the purchase information and/or the evaluation information", the control method of the present invention further includes: and performing credit evaluation on the seller according to the quality rating result of the commodity. Through the arrangement, the credit of the seller can be mapped with the quality rating result of the commodity, and the buyer can conveniently select whether to buy the commodity of the seller according to the credit condition of the seller. In practical application, all commodities of a seller can be comprehensively evaluated, and then the credit of the seller is evaluated according to the comprehensive evaluation result of all commodities.
In the present invention, it should be noted that the seller and the buyer can be suppliers and buyers, such as a pulsator supplier and a pulsator buyer, an automobile glass supplier and an automobile glass buyer, and the seller and the buyer can also be merchants and consumers, such as a washing machine merchant and a washing machine consumer, an air conditioner merchant and an air conditioner consumer.
As shown in fig. 2, the merchant submits registration information to the system, the system audits the registration information, creates a block chain account of the merchant after the audit is passed, then generates a public key and a private key of the merchant, and sends the public key, the private key and the block chain address of the merchant to the merchant. The consumer submits registration information to the system, the system audits the registration information, a block chain account of the consumer is created after the audit is passed, then a public key and a private key of the consumer are generated, and the public key, the private key and the block chain address of the consumer are sent to the consumer. The merchant issues the product with the private key, and generates a special intelligent contract according to the product. The consumer purchases the product, evaluates the product and recommends to purchase the product with the private key, and records the behavior of the consumer (i.e. purchasing the product, evaluating the product and recommending to purchase the product) into the blockchain. Through the arrangement, the behaviors of all users (including merchants and consumers) and the data can be signed by the private keys of the users through the asymmetric encryption technology of the block chain, the signed data can be signed by the corresponding public keys, and the operation behaviors of the users can be traced while the ownership of the data is proved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (10)

1. A control method of a quality control system based on a block chain is characterized by comprising the following steps:
acquiring commodity information input by a seller;
generating a commodity intelligent contract corresponding to the commodity information and synchronizing the commodity intelligent contract into the block chain;
acquiring purchase information and/or evaluation information input by a buyer based on the rule of the commodity intelligent contract and synchronizing the purchase information and/or the evaluation information into the block chain;
and grading the quality of the commodity according to the purchase information and/or the evaluation information.
2. The control method according to claim 1, wherein before the step of "acquiring commodity information input by a seller", the control method further comprises:
acquiring registration information input by a seller;
generating a blockchain account of the seller according to the registration information input by the seller and synchronizing the blockchain account into the blockchain;
generating a private key of a seller and a public key of the seller;
sending the private key of the seller, the public key of the seller and the address of the block chain to the seller;
and the private key of the seller corresponds to the public key of the seller one to one.
3. The control method according to claim 1, wherein before the step of acquiring and synchronizing the purchase information and/or evaluation information input by the purchaser into the blockchain based on the rule of the commodity intelligent contract, the control method further comprises:
acquiring registration information input by a purchaser;
generating a blockchain account of the purchaser according to the registration information input by the purchaser and synchronizing the blockchain account into the blockchain;
generating a private key of a purchaser and a public key of the purchaser;
sending the private key of the purchaser, the public key of the purchaser, and the address of the block chain to the purchaser;
wherein the private key of the purchaser corresponds to the public key of the purchaser one to one.
4. The control method according to claim 2, wherein the step of "acquiring the commodity information input by the seller" specifically includes:
acquiring a transaction request of the seller for inputting the commodity information;
using the public key of the seller to carry out identity verification on the transaction request of the commodity information;
acquiring commodity information input by the seller after the identity authentication is passed;
wherein the transaction request of the commodity information is a transaction request signed by a private key of the seller.
5. The control method according to claim 3, wherein the step of acquiring the purchase information and/or evaluation information input by the purchaser specifically comprises:
acquiring a transaction request of a purchaser for inputting the purchase information and/or evaluation information;
authenticating the transaction request of the purchase information and/or evaluation information using the public key of the purchaser;
obtaining the purchase information and/or evaluation information input by the purchaser after the identity authentication is passed;
wherein the transaction request for the purchase information and/or rating information is a transaction request signed by the purchaser's private key.
6. The control method according to claim 2, wherein the step of generating a blockchain account of the seller according to the registration information input by the seller and synchronizing the blockchain account into the blockchain specifically comprises:
verifying the registration information input by the seller;
and generating a block chain account of the seller and synchronizing the block chain account into the block chain after the audit is passed.
7. The method of claim 3, wherein the step of generating and synchronizing the blockchain account of the purchaser into the blockchain according to the registration information inputted by the purchaser comprises:
checking the registration information input by the purchaser;
the blockchain account of the purchaser is generated and synchronized into the blockchain after the review passes.
8. The control method according to any one of claims 1 to 7, characterized in that, after the step of "quality-grading a commodity according to the purchase information and/or evaluation information", the control method further comprises:
and performing credit evaluation on the seller according to the quality rating result of the commodity.
9. A quality control system based on a block chain, the quality control system comprising:
a seller acquisition module capable of acquiring commodity information input by a seller;
a purchaser obtaining module capable of obtaining purchase information and/or evaluation information input by a purchaser;
a control module capable of generating a commodity intelligent contract corresponding to the commodity information, synchronizing the commodity intelligent contract into a blockchain, and synchronizing the purchase information and/or evaluation information into a blockchain;
and the quality evaluation module can grade the quality of the commodity according to the purchase information and/or the evaluation information.
10. The quality control system according to claim 9, wherein the quality control system further comprises:
and the credit evaluation module can perform credit evaluation on the seller according to the quality rating result of the commodity.
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