CN113129086A - Value-added tax deduction method, device, system, equipment and medium - Google Patents
Value-added tax deduction method, device, system, equipment and medium Download PDFInfo
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Abstract
The invention discloses a value-added tax deduction method, a value-added tax deduction device, a value-added tax deduction system, value-added tax deduction equipment and a value-added tax deduction medium, which are used for solving the problem of low value-added tax deduction efficiency in the prior art. Because the second block chain node in the value-added tax deduction system acquires the tax payment transaction corresponding to the first block chain node after the fund payment transaction is carried out, and can directly initiate the deduction transaction to the third block chain node according to the tax payment transaction and carry out the deduction of the value-added tax, the whole process does not need user intervention, the operation is simple and convenient, and the value-added tax deduction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a value-added tax deduction method, a value-added tax deduction device, a value-added tax deduction system, value-added tax deduction equipment and a value-added tax deduction medium.
Background
According to the existing invoice system, when a purchaser purchases commodities, the purchaser can log in a tax system through an account number and a password of the purchaser after paying funds, the tax system can display value-added tax information which can be deducted by the purchaser, and the purchaser can select the value-added tax information which needs to be deducted according to the demand of the purchaser.
According to the operation, in the prior art, when value-added tax deduction is carried out, a purchaser needs to log in a tax platform and then select the deduction value-added tax information, the operation is complicated, and the value-added tax deduction efficiency is influenced.
Disclosure of Invention
The embodiment of the invention provides a value-added tax deduction method, a value-added tax deduction device, a value-added tax deduction system, value-added tax deduction equipment and a value-added tax deduction medium, which are used for solving the problem of low value-added tax deduction efficiency in the prior art.
The embodiment of the invention provides a value-added tax deduction system, which comprises:
the first block chain node is used for carrying out tax payment transaction;
the second block chain node is used for carrying out fund payment transaction and initiating deduction transaction containing the corresponding tax payment transaction to a third block chain node when the tax payment transaction corresponding to the first block chain node is obtained;
and the third block chain node is used for receiving the deduction transaction, deducting the value added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value added tax deduction amount to the account corresponding to the second block chain link point.
Further, the second block chain node is specifically configured to initiate a deduction transaction including the fund payment transaction and the corresponding tax payment transaction to a third block chain node.
And further, the third block chain node is also used for verifying transaction data carried in the deduction transaction, and when the verification is passed, deducting the value added tax of the corresponding tax payment transaction according to the deduction transaction.
Further, the second block link node is further configured to obtain the corresponding tax payment transaction from the first block link node;
and the first block chain node is also used for verifying the second block chain link point according to the corresponding tax payment transaction, and when the verification is passed, the corresponding tax payment transaction is sent to the second block chain node.
Correspondingly, the embodiment of the invention provides a value-added tax deduction method, which comprises the following steps:
the second block link point performs a fund payment transaction;
and if the tax payment transaction corresponding to the fund payment transaction is acquired from the first block chain node, sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node.
Further, before obtaining the tax payment transaction corresponding to the fund payment transaction at the first block link point, the method further includes:
and acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
Correspondingly, the embodiment of the invention provides a value-added tax deduction method, which comprises the following steps:
the third block chain node receives deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions;
and deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block chain link point.
Further, before deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, the method further comprises the following steps:
and verifying the transaction data carried in the deduction transaction, and when the verification is passed, carrying out deduction on the value added tax of the corresponding tax payment transaction according to the deduction transaction.
Correspondingly, the embodiment of the invention provides a value-added tax deduction device, which comprises:
a payment module for conducting a funds payment transaction;
and the sending module is used for sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node if the tax payment transaction corresponding to the fund payment transaction is obtained from the first block chain node.
Further, the apparatus further comprises:
and the acquisition module is used for acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
Correspondingly, the embodiment of the invention provides a value-added tax deduction device, which comprises:
the receiving module is used for receiving deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions;
and the transfer module is used for deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction and controlling the transfer of the value-added tax deduction amount to the account corresponding to the second block chain link point.
Further, the apparatus further comprises:
and the verification module is used for verifying the transaction data carried in the deduction transaction, and when the verification is passed, the transfer module is triggered.
Accordingly, an embodiment of the present invention provides an electronic device, where the electronic device includes a processor and a memory, where the memory is used to store a computer program, and the processor is used to implement the steps of any one of the above value-added tax deduction methods when executing the computer program stored in the memory.
Accordingly, an embodiment of the present invention provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the steps of any one of the above value-added tax deduction methods.
The embodiment of the invention provides a value-added tax deduction method, a device, a system, equipment and a medium, wherein a first block chain node in the value-added tax deduction system is used for carrying out tax payment transaction; the second block chain node is used for carrying out fund payment transaction and initiating deduction transaction containing the corresponding tax payment transaction to a third block chain node when the tax payment transaction corresponding to the first block chain node is obtained; and the third block chain node is used for receiving the deduction request, deducting the value-added tax of the corresponding tax payment transaction according to the deduction request, and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block chain link point. Because the second block chain node in the value-added tax deduction system acquires the tax payment transaction corresponding to the first block chain node after the fund payment transaction is carried out, and can directly initiate the deduction transaction to the third block chain node according to the tax payment transaction and carry out the deduction of the value-added tax, the whole process does not need user intervention, the operation is simple and convenient, and the value-added tax deduction efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be 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.
Fig. 1 is a schematic structural diagram of a value-added tax deduction system according to an embodiment of the present invention;
FIG. 2 is a process diagram of a value-added tax deduction method according to an embodiment of the present invention;
FIG. 3 is a process diagram of a value-added tax deduction method according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a value-added tax deduction device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a value-added tax deduction device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to improve the efficiency of value-added tax deduction, the embodiment of the invention provides a value-added tax deduction method, a device, a system, equipment and a medium.
Example 1:
fig. 1 is a schematic structural diagram of a value-added tax deduction system according to an embodiment of the present invention, where the system includes:
the first block chain node 11 is used for carrying out tax payment transaction;
the second block chain node 12 is used for performing fund payment transaction, and when acquiring the tax payment transaction corresponding to the first block chain node 11, initiating a deduction transaction including the corresponding tax payment transaction to the third block chain node 13;
and the third block chain node 13 is configured to receive the deduction transaction, deduct the value added tax of the corresponding tax payment transaction according to the deduction transaction, and control transfer of the value added tax deduction amount to the account corresponding to the second block chain node 12.
The first block link node 11 is an enterprise block link node of a seller enterprise performing a sales service, and after receiving funds paid by a buyer, the first block link node 11 issues an invoice to the buyer according to the obtained funds paid by the buyer, where the invoice may be a paper invoice or an electronic invoice. The first block chain node 11 needs to perform tax payment transaction according to the invoice, that is, the first block chain node 11 pays tax payment to the tax bureau.
The second blockchain node 12 is any enterprise blockchain node except the seller enterprise corresponding to the first blockchain node 11. The second blockchain node 12 performs a fund payment transaction, which may be that after a business corresponding to the second blockchain node 12 has a trading relationship with a seller business corresponding to the first blockchain node 11, the second blockchain node 12 performs a fund payment transaction to the first blockchain node 11; or the staff of the enterprise corresponding to the second blockchain node 12 may have a trading relationship with the seller enterprise corresponding to the first blockchain node 11, and after the second blockchain node 12 receives the reimbursement of the staff, the second blockchain node 12 performs a fund payment transaction to the staff.
Specifically, the second blockchain node 12 performs a fund payment transaction, which may be a fund payment realized by means of electronic transfer or a cash payment.
In order to realize automatic deduction, the second block chain node 12 initiates deduction transaction to the third block chain node 13 when completing the fund payment transaction and acquiring the tax payment transaction corresponding to the first block chain node 11; specifically, the second block chain node 12 may obtain a deduction from the tax office for the tax payment transaction after the second block chain node 12 completes the fund payment and obtains the first block chain node 11 and the second block chain node 12 to perform the tax payment transaction for buying and selling, and specifically, the second block chain node 12 sends the deduction transaction to the tax office, where the deduction transaction includes the corresponding tax payment transaction.
The third block chain node 13 is a tax office block chain node, after receiving the deduction transaction sent by the second block chain node 12, according to the deduction transaction, the third block chain node 13 may deduct the value added tax of the corresponding tax payment transaction, according to a specific value added tax deduction policy, the third block chain node 13 determines the value added tax deduction amount of the tax payment transaction, and controls the value added tax deduction amount to be transferred to the account corresponding to the second block chain node 12.
Because the second block chain node in the value-added tax deduction system acquires the tax payment transaction corresponding to the first block chain node after the fund payment transaction is carried out, and can directly initiate the deduction transaction to the third block chain node according to the tax payment transaction and carry out the deduction of the value-added tax, the whole process does not need user intervention, the operation is simple and convenient, and the value-added tax deduction efficiency is improved.
Example 2:
in order to ensure the accuracy of the deduction transaction, on the basis of the above embodiment, in the embodiment of the present invention, the second block chain node 12 is specifically configured to initiate a deduction transaction including the fund payment transaction and the corresponding tax payment transaction to the third block chain node 13.
After the second blockchain node 12 obtains the tax payment transaction corresponding to the first blockchain node 11, the second blockchain node 12 sends a deduction transaction to the third blockchain node 13, specifically, in order to ensure the accuracy of the deduction transaction, the deduction transaction sent by the second blockchain node 12 includes not only the corresponding tax payment transaction but also a fund payment transaction between the second blockchain node 12 and the first blockchain node 11.
Example 3:
in order to improve the accuracy of the deduction transaction, on the basis of the above embodiments, in the embodiments of the present invention, the third block link node is further configured to verify transaction data carried in the deduction transaction, and when the verification is passed, deducting the value added tax of the corresponding tax payment transaction according to the deduction transaction.
After receiving the deduction transaction sent by the second blockchain node 12, the third blockchain node 13 also needs to verify transaction data in the deduction transaction, that is, to determine whether the amount of the corresponding tax payment transaction in the deduction transaction is correct.
Specifically, after the deduction transaction sent by the second block link node 12 is received by the third block link node 13, the deduction transaction includes the enterprise identification information of the first block link node 11 corresponding to the tax payment transaction, and the third block link node 13 determines the tax rate of the enterprise corresponding to the enterprise identification information according to the enterprise identification information of the first block link node 11, that is, determines the tax rate of the enterprise of the first block link node 11.
The third block link node 13 determines the tax due to the first block link node 11 according to the amount of the fund payment transaction in the deduction transaction and the determined tax rate of the enterprise corresponding to the first block link node 11; and judging whether the amount of the corresponding tax payment transaction in the deduction transaction is the same as the tax due to the first block chain node 11, if so, verifying the transaction data in the deduction transaction.
And when the third block chain node 13 determines that the transaction data carried in the deduction transaction passes verification, deducting is carried out according to the value-added tax of the corresponding tax payment transaction.
Example 4:
in order to improve the accuracy of deduction transactions, on the basis of the above embodiments, in the embodiment of the present invention, the second block chain node 12 is further configured to obtain the corresponding payment transaction from the first block chain node 11;
the first block chain node 11 is further configured to verify the second block chain node 12 according to the corresponding tax payment transaction, and when the verification is passed, send the corresponding tax payment transaction to the second block chain node 12.
Before the deduction transaction, the second block chain node 12 needs to obtain the corresponding tax payment transaction from the first block chain node 11. The first blockchain node 11 verifies the second blockchain node 12 according to the corresponding tax payment transaction. Specifically, in order to implement the verification of the second blockchain node 12, the corresponding tax payment transaction includes enterprise identification information of an enterprise performing a fund payment transaction corresponding to the tax payment transaction.
The first blockchain node 11 determines whether the enterprise identification information of the second blockchain node 12 is the same as the enterprise identification information of the enterprise performing the fund payment transaction corresponding to the tax payment transaction according to the corresponding tax payment transaction, if so, it indicates that the second blockchain node 12 passes the verification, and the first blockchain node 11 sends the corresponding tax payment transaction to the second blockchain node 12. The first blockchain node 11 prestores a corresponding relationship between the second blockchain node 12 and the enterprise identification information, and the first blockchain node 11 determines the enterprise identification information of the second blockchain node 12 according to the corresponding relationship.
Example 5:
fig. 2 is a schematic process diagram of a value-added tax deduction method according to an embodiment of the present invention, the process including the following steps:
s201: the second block link point conducts a funds payment transaction.
The second block chain node is any enterprise block chain node except the seller enterprise corresponding to the first block chain node. The second block link point performs the fund payment transaction, which may be that after the enterprise corresponding to the second block link point performs a trading relationship with the seller enterprise corresponding to the first block link point, the second block link point performs the fund payment transaction to the first block link point; or the staff of the enterprise corresponding to the second block link point and the seller enterprise corresponding to the first block link point have a trading relationship, and after the second block link point receives the reimbursement of the staff, the second block link node performs a fund payment transaction to the staff.
Specifically, the fund payment transaction performed at the second block link point may be the payment of the fund through electronic transfer or the payment of the fund through cash payment.
S202: and if the tax payment transaction corresponding to the fund payment transaction is acquired from the first block chain node, sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node.
In order to realize automatic deduction, the second block chain node initiates deduction transaction to the third block chain node when the fund payment transaction is completed and the tax payment transaction corresponding to the first block chain node is obtained; specifically, the second block chain node sends a deduction transaction to the tax office, wherein the deduction transaction includes the corresponding tax payment transaction.
In order to obtain the tax payment transaction corresponding to the first block link point and the fund payment transaction, before the tax payment transaction corresponding to the fund payment transaction is obtained, the method further includes:
and acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
The second block chain node acquires the corresponding tax payment transaction from the first block chain link point. And verifying the second block link point according to the corresponding tax payment transaction by the first block link point, and acquiring the corresponding tax payment transaction by the second block link point when the verification of the second block link point passes. Specifically, in order to implement the verification of the second block chain node, the corresponding tax payment transaction includes enterprise identification information of an enterprise performing a fund payment transaction corresponding to the tax payment transaction.
Specifically, the first block link point sends the corresponding tax payment transaction to the second block link point when determining that the enterprise identification information of the second block link point is the same as the enterprise identification information of the enterprise performing the fund payment transaction corresponding to the tax payment transaction according to the corresponding tax payment transaction, and the second block link point obtains the corresponding tax payment transaction. The first block link point prestores a corresponding relation between the second block link point and enterprise identification information, and the first block link point determines the enterprise identification information of the second block link point according to the corresponding relation.
In the embodiment of the invention, after the second block chain node performs the fund payment transaction, the tax payment transaction corresponding to the first block chain node is obtained, and the deduction transaction can be directly initiated to the third block chain node according to the tax payment transaction, and the deduction of the value-added tax is performed.
Example 6:
fig. 3 is a schematic process diagram of a value-added tax deduction method according to an embodiment of the present invention, the process including the following steps:
s301: and the third block chain node receives deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions.
The value-added tax deduction method is applied to the third block chain node, the third block chain node is a tax office block chain node, and the third block chain node receives deduction transactions sent by the second block chain node, wherein the deduction transactions include tax payment transactions corresponding to the first block chain node.
S302: and deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block chain link point.
After receiving the deduction transaction sent by the second block chain node, the third block chain node determines the deduction amount of the corresponding value-added tax of the tax payment transaction according to a specific value-added tax deduction policy and controls the transfer of the value-added tax deduction amount to the account corresponding to the second block chain link point in order to realize deduction of the corresponding value-added tax of the tax payment transaction.
In order to improve the accuracy of deduction transaction, before deducting the value added tax of the corresponding tax payment transaction according to the deduction transaction, the method further comprises the following steps:
and verifying the transaction data carried in the deduction transaction, and when the verification is passed, carrying out deduction on the value added tax of the corresponding tax payment transaction according to the deduction transaction.
After receiving the deduction transaction sent by the second block chain node, the third block chain node also needs to verify transaction data in the deduction transaction, that is, whether the amount of the corresponding tax payment transaction in the deduction transaction is accurate is judged.
Specifically, after the third block link node receives the deduction transaction sent by the second block link node, the third block link node determines the tax rate of the enterprise corresponding to the enterprise identification information according to the enterprise identification information corresponding to the first block link node, that is, determines the tax rate of the enterprise of the first block link node.
The third block chain node determines the tax due to the first block chain node according to the amount of the fund payment transaction in the deduction transaction and the determined tax rate of the enterprise corresponding to the first block chain node; and judging whether the amount of the corresponding tax payment transaction in the deduction transaction is the same as the tax due to the first block chain node, if so, verifying the transaction data in the deduction transaction.
And when the third block chain node determines that the transaction data carried in the deduction transaction passes verification, deducting according to the value-added tax of the corresponding tax payment transaction.
In the embodiment of the invention, after the third block chain node acquires the deduction transaction sent by the second block chain node, the third block chain node can determine the value-added tax deduction amount of the tax payment transaction corresponding to the first block chain link point in the deduction transaction according to the deduction transaction and control the value-added tax deduction amount to be transferred to the account corresponding to the second block chain link point, so that the whole process does not need user intervention and is simple and convenient to operate, and the efficiency of value-added tax deduction is improved.
Example 7:
fig. 4 is a schematic structural diagram of a value-added tax deduction device according to an embodiment of the present invention, and on the basis of the foregoing embodiments, an embodiment of the present invention provides a device, including:
a payment module 401 for conducting a funds payment transaction;
the sending module 402 is configured to send, to a third block link node, a deduction transaction including a tax payment transaction corresponding to the fund payment transaction if the tax payment transaction corresponding to the first block link node is acquired.
Further, the apparatus further comprises:
an obtaining module 403, configured to obtain a tax payment transaction corresponding to the fund payment transaction by the first block link point.
The value-added tax deduction device is positioned in a second block chain node, and the second block chain node comprises all modules of the value-added tax deduction device.
In the embodiment of the invention, after the second block chain node performs the fund payment transaction, the tax payment transaction corresponding to the first block chain node is obtained, and the deduction transaction can be directly initiated to the third block chain node according to the tax payment transaction, and the deduction of the value-added tax is performed.
Example 8:
fig. 5 is a schematic structural diagram of a value-added tax deduction device according to an embodiment of the present invention, and on the basis of the foregoing embodiments, an embodiment of the present invention provides a device, including:
a receiving module 501, configured to receive deduction transactions including the corresponding tax payment transactions sent by a second block link node;
and the transfer module 502 is used for deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block link point.
Further, the apparatus further comprises:
and the verification module 503 is configured to verify transaction data carried in the deduction transaction, and when the verification passes, trigger the transfer module.
The value-added tax deduction device is located in a third block chain node, and the third block chain node comprises all modules of the value-added tax deduction device.
In the embodiment of the invention, after the third block chain node acquires the deduction transaction sent by the second block chain node, the third block chain node can determine the value-added tax deduction amount of the tax payment transaction corresponding to the first block chain link point in the deduction transaction according to the deduction transaction and control the value-added tax deduction amount to be transferred to the account corresponding to the second block chain link point, so that the whole process does not need user intervention and is simple and convenient to operate, and the efficiency of value-added tax deduction is improved.
Example 9:
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and on the basis of the foregoing embodiments, an electronic device according to an embodiment of the present invention is further provided, where the electronic device includes a processor 601, a communication interface 602, a memory 603, and a communication bus 604, where the processor 601, the communication interface 602, and the memory 603 complete communication therebetween through the communication bus 604;
the memory 603 has stored therein a computer program which, when executed by the processor 601, causes the processor 601 to perform the steps of:
the second block link point performs a fund payment transaction;
and if the tax payment transaction corresponding to the fund payment transaction is acquired from the first block chain node, sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node.
If before the tax payment transaction corresponding to the fund payment transaction is acquired at the first block link point, the method further comprises the following steps:
and acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface 602 is used for communication between the above-described electronic apparatus and other apparatuses.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Alternatively, the memory may be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a central processing unit, a Network Processor (NP), and the like; but may also be a Digital instruction processor (DSP), an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the like.
In the embodiment of the invention, after the second block chain node performs the fund payment transaction, the tax payment transaction corresponding to the first block chain node is obtained, and the deduction transaction can be directly initiated to the third block chain node according to the tax payment transaction, and the deduction of the value-added tax is performed.
Example 10:
fig. 7 is a schematic structural diagram of another electronic device according to an embodiment of the present invention, and on the basis of the foregoing embodiments, an electronic device according to an embodiment of the present invention is further provided, where the electronic device includes a processor 701, a communication interface 702, a memory 703 and a communication bus 704, where the processor 701, the communication interface 702 and the memory 703 complete mutual communication through the communication bus 704;
the memory 703 has stored therein a computer program which, when executed by the processor 701, causes the processor 701 to perform the steps of:
the third block chain node receives deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions;
and deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block chain link point.
Before deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, the method further comprises the following steps:
and verifying the transaction data carried in the deduction transaction, and when the verification is passed, carrying out deduction on the value added tax of the corresponding tax payment transaction according to the deduction transaction.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface 602 is used for communication between the above-described electronic apparatus and other apparatuses.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Alternatively, the memory may be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a central processing unit, a Network Processor (NP), and the like; but may also be a Digital instruction processor (DSP), an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the like.
In the embodiment of the invention, after the third block chain node acquires the deduction transaction sent by the second block chain node, the third block chain node can determine the value-added tax deduction amount of the tax payment transaction corresponding to the first block chain link point in the deduction transaction according to the deduction transaction and control the value-added tax deduction amount to be transferred to the account corresponding to the second block chain link point, so that the whole process does not need user intervention and is simple and convenient to operate, and the efficiency of value-added tax deduction is improved.
Example 11:
on the basis of the foregoing embodiments, an embodiment of the present invention further provides a computer-readable storage medium, which stores a computer program, where the computer program is executed by a processor to perform the following steps:
the second block link point performs a fund payment transaction;
and if the tax payment transaction corresponding to the fund payment transaction is acquired from the first block chain node, sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node.
If before the tax payment transaction corresponding to the fund payment transaction is acquired at the first block link point, the method further comprises the following steps:
and acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
In the embodiment of the invention, after the second block chain node performs the fund payment transaction, the tax payment transaction corresponding to the first block chain node is obtained, and the deduction transaction can be directly initiated to the third block chain node according to the tax payment transaction, and the deduction of the value-added tax is performed.
Example 12:
on the basis of the foregoing embodiments, an embodiment of the present invention further provides a computer-readable storage medium, which stores a computer program, where the computer program is executed by a processor to perform the following steps:
the third block chain node receives deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions;
and deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block chain link point.
Before deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, the method further comprises the following steps:
and verifying the transaction data carried in the deduction transaction, and when the verification is passed, carrying out deduction on the value added tax of the corresponding tax payment transaction according to the deduction transaction.
In the embodiment of the invention, after the third block chain node acquires the deduction transaction sent by the second block chain node, the third block chain node can determine the value-added tax deduction amount of the tax payment transaction corresponding to the first block chain link point in the deduction transaction according to the deduction transaction and control the value-added tax deduction amount to be transferred to the account corresponding to the second block chain link point, so that the whole process does not need user intervention and is simple and convenient to operate, and the efficiency of value-added tax deduction is improved.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (14)
1. A value-added tax deduction system, said system comprising:
the first block chain node is used for carrying out tax payment transaction;
the second block chain node is used for carrying out fund payment transaction and initiating deduction transaction containing the corresponding tax payment transaction to the third block chain node when the corresponding tax payment transaction of the first block chain node is obtained;
and the third block chain node is used for receiving the deduction transaction, deducting the value added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value added tax deduction amount to the account corresponding to the second block chain link point.
2. The system of claim 1, wherein the second blockchain node is specifically configured to initiate a deduction transaction including the funds payment transaction and the corresponding tax payment transaction to a third blockchain node.
3. The system according to claim 1 or 2, wherein the third block chain node is further configured to verify transaction data carried in the deduction transaction, and when the verification is passed, deducting the value-added tax of the corresponding tax-paying transaction according to the deduction transaction.
4. The system of claim 1, wherein the second blockchain node is further configured to obtain the corresponding tax-paying transaction to the first blockchain link point;
and the first block chain node is also used for verifying the second block chain link point according to the corresponding tax payment transaction, and when the verification is passed, the corresponding tax payment transaction is sent to the second block chain node.
5. A value-added tax deduction method, said method comprising:
the second block link point performs a fund payment transaction;
and if the tax payment transaction corresponding to the fund payment transaction is acquired from the first block chain node, sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node.
6. The method of claim 5, wherein prior to acquiring the tax-payment transaction corresponding to the funds-payment transaction for the first block link point, the method further comprises:
and acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
7. A value-added tax deduction method, said method comprising:
the third block chain node receives deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions;
and deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction, and controlling the transfer of the value-added tax deduction amount to an account corresponding to the second block chain link point.
8. The method of claim 7, wherein before deducting the value-added tax of the corresponding tax-paying transaction according to the deduction transaction, the method further comprises:
verifying the transaction data carried in the deduction transaction;
and when the verification is passed, carrying out deduction on the value added tax of the corresponding tax payment transaction according to the deduction transaction.
9. A value-added tax rebate apparatus, comprising:
a payment module for conducting a funds payment transaction;
and the sending module is used for sending a deduction transaction containing the corresponding tax payment transaction to a third block chain node if the tax payment transaction corresponding to the fund payment transaction is obtained from the first block chain node.
10. The apparatus of claim 9, further comprising:
and the acquisition module is used for acquiring tax payment transactions corresponding to the first block link points and the fund payment transactions.
11. A value-added tax rebate apparatus, comprising:
the receiving module is used for receiving deduction transactions which are sent by the second block chain node and contain the corresponding tax payment transactions;
and the transfer module is used for deducting the value-added tax of the corresponding tax payment transaction according to the deduction transaction and controlling the transfer of the value-added tax deduction amount to the account corresponding to the second block chain link point.
12. The apparatus of claim 11, further comprising:
and the verification module is used for verifying the transaction data carried in the deduction transaction, and when the verification is passed, the transfer module is triggered.
13. An electronic device, characterized in that the electronic device comprises a processor and a memory for storing a computer program, the processor being adapted to carry out the steps of the method according to any of claims 5-6 or claims 7-8 when executing the computer program stored in the memory.
14. A computer-readable storage medium, characterized in that it stores a computer program which, when being executed by a processor, carries out the steps of the method according to any one of claims 5-6 or claims 7-8.
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