CN111652663A - Agricultural product invoicing method and system based on block chain technology - Google Patents
Agricultural product invoicing method and system based on block chain technology Download PDFInfo
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Abstract
The invention provides an agricultural product invoicing method and system based on a block chain technology. A blockchain based agricultural product invoicing method, the method comprising: storing and synchronizing the information of the online member nodes and the newly added member nodes of the block chain service network; acquiring basic information of an invoicing requester, agricultural product information data reported by the invoicing requester, basic information change of the invoicing requester and agricultural product information data change reported by the invoicing requester; acquiring an invoice issuing request and an invoice changing request; executing a corresponding program according to the request acquired by the data acquisition unit, wherein the program comprises: an agricultural product productivity standing program, an invoice issuing program and an invoice changing program. The method greatly improves the credibility of agricultural product traceability by the invoice data, breaks through the information isolated island of the invoice data in the agricultural product traceability system, reduces the data burden, reduces the block data repeatability and ensures the safety and the privacy of the invoice data.
Description
Technical Field
The invention relates to an agricultural product invoice issuing method and system, in particular to an agricultural product invoice issuing method and system based on a block chain technology.
Background
The prior agricultural product invoice issuing system is generally single in function, and all management and operation modes are centralized, so that the invoice issuing system becomes a data isolated island in an agricultural product traceability system, and agricultural product traceability can not be realized by taking invoice information as basic data. Therefore, the existing agricultural product traceability system can only adopt a centralized traditional management operation mode, the maintenance and integration of data information are difficult, and the trust problems of different links of agricultural products exist at the same time.
In response to these problems, the introduction of block chain technology is a good solution. An agricultural product traceability system under the block chain technology is constructed by combining a timestamp technology, a tamper-proof technology, an encryption technology and a consensus mechanism, data entry, data query and system link application are researched from a data acquisition layer, a data layer, a network layer and an application layer, the tamper-proof and traceability of information records of agricultural products in production, processing, supervision, transportation and retail links can be realized, and the problem of data isolated island existing in the agricultural product traceability system is solved through decentralized network characteristics. The research on how to combine the block chain technology with the agricultural product invoice to achieve decentralization and maintain data security is the basis of the establishment of the system and is also an urgent problem to be solved in the field.
Disclosure of Invention
The invention aims to provide an agricultural product invoicing method based on a block chain technology, which solves the problems in the background art.
Another object of the present invention is to provide an agricultural product invoicing system based on the blockchain technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a blockchain based agricultural product invoicing method, the method comprising:
storing and synchronizing the information of the online member nodes and the newly added member nodes of the block chain service network;
acquiring basic information of an invoicing requester, agricultural product information data reported by the invoicing requester, basic information change of the invoicing requester and agricultural product information data change reported by the invoicing requester;
acquiring an invoice issuing request and an invoice changing request;
executing a corresponding program according to the request acquired by the data acquisition unit, wherein the program comprises: an agricultural product productivity standing program, an invoice issuing program and an invoice changing program.
Preferably, the executing the agricultural product productivity standing program comprises:
generating an agricultural product productivity account with a limit according to the basic information of the invoicing requester and the reported agricultural product information data;
and informing the storage synchronization unit to pack the agricultural product productivity standing book data into blocks for data chaining.
Preferably, the executing the invoicing program includes:
comparing the invoice issuing request with an agricultural product productivity account;
if the invoice issuing request does not exceed the agricultural product productivity ledger line, issuing an invoice and informing a storage synchronization unit to pack invoice data into blocks for data chaining;
if the invoice issuing request exceeds the agricultural product capacity standing account limit, the data acquisition unit is informed to prompt the invoice issuing requester to change the reported agricultural product information data and resubmit the invoice issuing request, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
Preferably, the executing of the invoice changing program includes:
comparing the invoice change request with an agricultural product productivity standing book;
if the invoice change request releases the agricultural product capacity standing book limit, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining;
if the invoice change request consumes the agricultural product capacity standing book limit, the agricultural product capacity standing book is compared again, if the agricultural product capacity standing book limit is positive after being consumed, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining, if the agricultural product capacity standing book limit is negative after being consumed, the data acquisition unit is informed to prompt the invoicing requester to change the reported agricultural product information data and to submit the invoice change request again, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
A blockchain based agricultural product invoicing system, the system comprising:
the storage synchronization unit is used for storing and synchronizing the information of the online member nodes and the newly added member nodes of the block chain service network and performing data interaction with the block chain service network to achieve data chaining;
the data acquisition unit is used for acquiring the basic information of the invoicing requester, the agricultural product information data reported by the invoicing requester, the basic information change of the invoicing requester and the agricultural product information data change reported by the invoicing requester; acquiring an invoice issuing request and an invoice changing request;
a program executing unit configured to execute a corresponding program according to the request acquired by the data acquiring unit, the program including: an agricultural product productivity standing program, an invoice issuing program and an invoice changing program.
Preferably, the member nodes of the block chain service network comprise an agricultural product producer, an agricultural product operator and a tax authority.
Preferably, the program execution unit is further configured to:
executing an agricultural product capacity standing program;
generating an agricultural product productivity account with a limit according to the basic information of the invoicing requester and the reported agricultural product information data;
and informing the storage synchronization unit to pack the agricultural product productivity standing book data into blocks for data chaining.
Preferably, the program execution unit is further configured to:
executing an invoicing procedure;
comparing the invoice issuing request with an agricultural product productivity account;
if the invoice issuing request does not exceed the agricultural product productivity ledger line, issuing an invoice and informing a storage synchronization unit to pack invoice data into blocks for data chaining;
if the invoice issuing request exceeds the agricultural product capacity standing account limit, the data acquisition unit is informed to prompt the invoice issuing requester to change the reported agricultural product information data and resubmit the invoice issuing request, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
Preferably, the program execution unit is further configured to:
executing an invoice changing program;
comparing the invoice change request with an agricultural product productivity standing book;
if the invoice change request releases the agricultural product capacity standing book limit, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining;
if the invoice change request consumes the agricultural product capacity standing book limit, the agricultural product capacity standing book is compared again, if the agricultural product capacity standing book limit is positive after being consumed, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining, if the agricultural product capacity standing book limit is negative after being consumed, the data acquisition unit is informed to prompt the invoicing requester to change the reported agricultural product information data and to submit the invoice change request again, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
The invention has the beneficial effects that:
according to the agricultural product invoice issuing method and system based on the block chain technology, data chaining is carried out on data of each link of agricultural product invoice issuing, the credibility of agricultural product traceability by using invoice data is greatly improved, an information isolated island of the invoice data in an agricultural product traceability system is opened, data burden is reduced, block data repeatability is reduced, and in addition, each entity organization of agricultural products serves as an alliance chain to ensure safety and privacy of the invoice data.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of a block chain-based agricultural product invoicing method according to embodiment 1 of the present invention;
fig. 2 is a block diagram of a block chain-based agricultural product invoicing system according to embodiment 2 of the present invention.
In the figure: 101. a storage synchronization unit 102, a data acquisition unit 103, a program execution unit 104, online member nodes 105 and newly-added member nodes.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
Example 1:
fig. 1 shows a block chain technology-based agricultural product invoicing method, which includes the following steps:
a1, storing and synchronizing online member nodes and newly added member node information of the blockchain service network, wherein the member nodes of the blockchain service network comprise an agricultural product producer, an agricultural product operator and a tax authority;
a2, acquiring basic information of an invoicing requester, agricultural product information data reported by the invoicing requester, basic information change of the invoicing requester and agricultural product information data change reported by the invoicing requester;
a3, executing a corresponding agricultural product capacity standing book program according to the request acquired by the data acquisition unit, which specifically comprises:
a3a, generating an agricultural product capacity standing book with a quota according to the basic information of the invoicing requester and the reported agricultural product information data;
a3b, informing a storage synchronization unit to pack the agricultural product productivity standing book data into blocks for data chaining;
a4, acquiring an invoice issuing request and an invoice changing request;
a5, when receiving an invoice issuing request, executing a corresponding invoice issuing program according to the request acquired by the data acquisition unit, wherein the invoice issuing program specifically comprises:
a5a, comparing the invoice issuing request with the agricultural product productivity standing book;
a5b, if the invoice issuing request does not exceed the agricultural product productivity ledger line, issuing an invoice and informing a storage synchronization unit to pack invoice data into blocks for data chaining;
a5c, if the invoice issuing request exceeds the agricultural product productivity ledger line, informing a data acquisition unit to prompt an invoicing requester to change the reported agricultural product information data and to resubmit the invoice issuing request, and simultaneously informing a storage synchronization unit to pack the changed data into blocks for data chaining;
a6, when receiving the invoice change request, executing a corresponding invoice change program according to the request acquired by the data acquisition unit, wherein the invoice change program specifically comprises:
a6a, comparing the invoice change request with the agricultural product productivity standing book;
a6b, if the invoice change request releases the agricultural product productivity standing account line, changing the invoice and informing the storage synchronization unit to pack the changed data into blocks for data chaining;
a6c, if the invoice change request consumes the agricultural product capacity standing account line, comparing the agricultural product capacity standing account again, if the agricultural product capacity standing account line is positive after consumption, changing the invoice and informing the storage synchronization unit to pack the changed data into blocks for data chaining, if the agricultural product capacity standing account line is negative after consumption, informing the data acquisition unit to prompt the invoicing requester to change the reported agricultural product information data and to resubmit the invoice change request, and simultaneously informing the storage synchronization unit to pack the changed data into blocks for data chaining.
In the method, the basic information of the invoicing requester comprises identity information, business information and tax registration information of an agricultural product producer and an operator, wherein the identity information comprises producer identity certificates, business license information and the like, the business information comprises production floor area, agricultural product types, metering units, estimated yield of the current period, current inventory and the like, and the tax registration information comprises contact telephone, affiliated tax bureau and the like.
According to the method, data generated in the process of issuing and changing the agricultural product invoice are linked in data to form a block chain, and the data structure of each block comprises the hash values of the previous block and the current block, the Merkle tree root of the current block, the timestamp and the Nonce value of the current block and the stored data in the block. According to the method, data chaining is carried out on data of all links such as basic information, registration information and change records of invoicing of agricultural products, so that the credibility of agricultural product traceability by using invoice data is greatly improved, meanwhile, in order to reduce the burden of data volume formation, judgment is firstly carried out by a corresponding program in the method, data chaining is carried out after the judgment is finished, and the repeatability of block data is reduced.
The invention is based on the alliance chain in the block chain technology, an agricultural product producer, an agricultural product operator and a tax authority are used as each node of the alliance chain, a real organization of the alliance chain corresponds to the node, and the node can be added and withdrawn from the network after authorization, so that the invention has the characteristic of decentralization on one hand, and on the other hand, the reading authority of sensitive information such as invoice information, tax information and the like can be selectively opened to the outside according to requirements, thereby ensuring the privacy of the information. The entity organizations form interest-related alliances, and maintain normal operation of the whole block chain together.
Example 2
As for the block chain-based agricultural product invoicing method provided in the foregoing embodiment 1, an embodiment 2 of the present invention provides a block chain-based agricultural product invoicing system, as shown in fig. 2, the system includes:
a storage synchronization unit 101, configured to store and synchronize information of an online member node 104 and a newly added member node 105 of a blockchain service network, and perform data interaction with the blockchain service network to achieve data uplink;
the data acquisition unit 102 is configured to acquire basic information of an invoicing requester, agricultural product information data reported by the invoicing requester, a change of the basic information of the invoicing requester, and a change of the agricultural product information data reported by the invoicing requester; acquiring an invoice issuing request and an invoice changing request;
a program executing unit 103 configured to execute a corresponding program according to the request acquired by the data acquiring unit, where the program includes: an agricultural product productivity standing program, an invoice issuing program and an invoice changing program.
Further, the member nodes of the block chain service network comprise an agricultural product producer, an agricultural product operator and a tax authority.
Further, the program execution unit is further configured to:
executing an agricultural product capacity standing program;
generating an agricultural product productivity account with a limit according to the basic information of the invoicing requester and the reported agricultural product information data;
and informing the storage synchronization unit to pack the agricultural product productivity standing book data into blocks for data chaining.
Further, the program execution unit is further configured to:
executing an invoicing procedure;
comparing the invoice issuing request with an agricultural product productivity account;
if the invoice issuing request does not exceed the agricultural product productivity ledger line, issuing an invoice and informing a storage synchronization unit to pack invoice data into blocks for data chaining;
if the invoice issuing request exceeds the agricultural product capacity standing account limit, the data acquisition unit is informed to prompt the invoice issuing requester to change the reported agricultural product information data and resubmit the invoice issuing request, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
Further, the program execution unit is further configured to:
executing an invoice changing program;
comparing the invoice change request with an agricultural product productivity standing book;
if the invoice change request releases the agricultural product capacity standing book limit, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining;
if the invoice change request consumes the agricultural product capacity standing book limit, the agricultural product capacity standing book is compared again, if the agricultural product capacity standing book limit is positive after being consumed, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining, if the agricultural product capacity standing book limit is negative after being consumed, the data acquisition unit is informed to prompt the invoicing requester to change the reported agricultural product information data and to submit the invoice change request again, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
The data acquisition unit of the embodiment of the invention can select a computer website terminal or a mobile phone APP terminal, and an invoice requester can perform agricultural product productivity standing book information inquiry, agricultural product invoice registration, registered invoice inquiry, registration information inquiry and the like through the computer website terminal or the mobile phone APP terminal, and can also perform registration login and real-name registration, registration information and business information report, registration information change, business information change application and the like.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that, in the embodiments provided in the present invention, it should be understood that the disclosed system and method can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to realize the destination of the scheme of the embodiment.
In addition, functional units in the embodiments provided by the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device, which may be a personal computer, a server, or a network device, to execute all or part of the steps of the method according to the embodiments of the present invention.
And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, the above-described embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the invention as set forth in the claims.
Claims (9)
1. A block chain-based agricultural product invoicing method is characterized by comprising the following steps: the block chain-based agricultural product invoicing method comprises the following steps,
storing and synchronizing the information of the online member nodes and the newly added member nodes of the block chain service network;
acquiring basic information of an invoicing requester, agricultural product information data reported by the invoicing requester, basic information change of the invoicing requester and agricultural product information data change reported by the invoicing requester;
acquiring an invoice issuing request and an invoice changing request;
executing a corresponding program according to the request acquired by the data acquisition unit, wherein the program comprises: an agricultural product productivity standing program, an invoice issuing program and an invoice changing program.
2. The block chain-based agricultural product invoicing method according to claim 1, characterized by comprising the following steps: the executing of the agricultural product productivity ledger program comprises,
generating an agricultural product productivity account with a limit according to the basic information of the invoicing requester and the reported agricultural product information data;
and informing the storage synchronization unit to pack the agricultural product productivity standing book data into blocks for data chaining.
3. The block chain-based agricultural product invoicing method according to claim 1, characterized by comprising the following steps: the performing an invoicing procedure includes performing an invoicing procedure,
comparing the invoice issuing request with an agricultural product productivity account;
if the invoice issuing request does not exceed the agricultural product productivity ledger line, issuing an invoice and informing a storage synchronization unit to pack invoice data into blocks for data chaining;
if the invoice issuing request exceeds the agricultural product capacity standing account limit, the data acquisition unit is informed to prompt the invoice issuing requester to change the reported agricultural product information data and resubmit the invoice issuing request, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
4. The block chain-based agricultural product invoicing method according to claim 1, characterized by comprising the following steps: the executing of the invoice alteration procedure includes,
comparing the invoice change request with an agricultural product productivity standing book;
if the invoice change request releases the agricultural product capacity standing book limit, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining;
if the invoice change request consumes the agricultural product capacity standing book limit, the agricultural product capacity standing book is compared again, if the agricultural product capacity standing book limit is positive after being consumed, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining, if the agricultural product capacity standing book limit is negative after being consumed, the data acquisition unit is informed to prompt the invoicing requester to change the reported agricultural product information data and to submit the invoice change request again, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
5. The utility model provides an agricultural product invoicing system based on blockchain which characterized in that: the block chain-based agricultural product invoicing system comprises,
the storage synchronization unit is used for storing and synchronizing the information of the online member nodes and the newly added member nodes of the block chain service network and performing data interaction with the block chain service network to achieve data chaining;
the data acquisition unit is used for acquiring the basic information of the invoicing requester, the agricultural product information data reported by the invoicing requester, the basic information change of the invoicing requester and the agricultural product information data change reported by the invoicing requester; acquiring an invoice issuing request and an invoice changing request;
a program executing unit configured to execute a corresponding program according to the request acquired by the data acquiring unit, the program including: an agricultural product productivity standing program, an invoice issuing program and an invoice changing program.
6. The blockchain-based agricultural product invoicing system of claim 5, wherein: the member nodes of the block chain service network comprise an agricultural product producer, an agricultural product operator and a tax authority.
7. The blockchain-based agricultural product invoicing system according to claim 5, wherein: the program execution unit is further configured to,
executing an agricultural product capacity standing program;
generating an agricultural product productivity account with a limit according to the basic information of the invoicing requester and the reported agricultural product information data;
and informing the storage synchronization unit to pack the agricultural product productivity standing book data into blocks for data chaining.
8. The blockchain-based agricultural product invoicing system according to claim 5, wherein: the program execution unit is further configured to:
executing an invoicing procedure;
comparing the invoice issuing request with an agricultural product productivity account;
if the invoice issuing request does not exceed the agricultural product productivity ledger line, issuing an invoice and informing a storage synchronization unit to pack invoice data into blocks for data chaining;
if the invoice issuing request exceeds the agricultural product capacity standing account limit, the data acquisition unit is informed to prompt the invoice issuing requester to change the reported agricultural product information data and resubmit the invoice issuing request, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
9. The blockchain-based agricultural product invoicing system according to claim 5, wherein: the program execution unit is further configured to,
executing an invoice changing program;
comparing the invoice change request with an agricultural product productivity standing book;
if the invoice change request releases the agricultural product capacity standing book limit, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining;
if the invoice change request consumes the agricultural product capacity standing book limit, the agricultural product capacity standing book is compared again, if the agricultural product capacity standing book limit is positive after being consumed, the invoice is changed and the storage synchronization unit is informed to pack the changed data into blocks for data chaining, if the agricultural product capacity standing book limit is negative after being consumed, the data acquisition unit is informed to prompt the invoicing requester to change the reported agricultural product information data and to submit the invoice change request again, and meanwhile, the storage synchronization unit is informed to pack the changed data into blocks for data chaining.
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