TWI724540B - Device and method for trading commodity based on block chain system and storage medium - Google Patents

Abstract

A method for trading commodity based on block chain system includes: providing a commodity selling interface and a purchasing interface; controlling each node of the block chain system verifies a commodity transaction when a consumer initiates the commodity transaction; broadcasting a verification message to the block chain network when the node verifies the commodity transaction; saving product name and quantity of the products purchased by the consumer when the node receives more than a first predetermined number of verification messages, wherein the consumer can obtain the purchased products from distributors; updating product name and quantity owned by the consumer according to pickup information that the consumer picks up from the distributor. A device for trading commodity based on block chain system and a storage medium are also provided.

Description

Commodity transaction device, method and readable storage medium based on blockchain system quality

The present invention relates to the field of blockchain technology, in particular to a commodity transaction device, method and computer readable storage medium based on a blockchain system.

Blockchain is a new application mode of computer technology such as decentralized data storage, point-to-point transmission, consensus mechanism, encryption algorithm, etc. It uses consensus mechanism as a mathematical algorithm for building trust between different nodes and obtaining rights in the blockchain system. . In the field of blockchain technology, users use a unique blockchain address to represent their identity and assets they own, and use a set of public and private keys to prove their identity and asset ownership, and the user’s authenticity Identity information will not be exposed to the blockchain network. The conventional commodity online trading platform basically uses a third-party custodial fund transaction method to ensure transaction security. However, user account information and bank card information may be leaked, resulting in user information being stolen and even capital loss, and the commodity is generally The merchant uses express delivery to the buyer.

In view of this, it is necessary to provide a commodity trading device and method based on a blockchain system, and a computer-readable storage medium, which can avoid problems such as user information leakage and capital loss to the greatest extent.

An embodiment of the present invention provides a commodity transaction method based on a blockchain system. The blockchain system includes a plurality of nodes, and each node stores the account balances and blocks of consumers, manufacturers, and distributors. The method includes: providing a commodity listing interface and a commodity purchase interface for the manufacturer to use the commodity listing interface to upload commodity content to the blockchain system and for the consumer to use the The commodity purchase interface initiates a commodity transaction; when the consumer initiates a commodity transaction, each node is controlled to verify the commodity transaction; when the node passes the commodity transaction verification, a verification pass message is broadcast to the place The blockchain system; when the node receives a verification message exceeding the first preset number, the name and quantity information of the product purchased by the consumer is stored for the consumer to obtain from the distributor The purchased goods; and update the name and quantity information of the goods owned by the consumer according to the information on the goods picked up by the consumer from the distributor.

Preferably, the blockchain system includes a plurality of distributors, and the step of storing the product name and quantity information purchased by the consumer so that the consumer can obtain the purchased product from the distributor includes : Store the name and quantity information of the product purchased by the consumer, so that the consumer can obtain part or all of the purchased product from any one of the distributors.

Preferably, the step of storing the name and quantity information of the product purchased by the consumer so that the consumer can obtain the purchased product from the distributor includes: storing the name of the product purchased by the consumer and Quantity information; and sending a commodity pick-up certificate to the consumer, so that the consumer can obtain the purchased commodity from the distributor.

Preferably, the blockchain system includes a plurality of distributors, and the step of sending a commodity pick-up certificate to the consumer so that the consumer can obtain the purchased goods from the distributor includes: sending the commodity The receipt voucher is sent to the consumer, so that the consumer can obtain part or all of the purchased commodities from any one of the distributors.

Preferably, the content of the product includes the name of the product, the price of the product, the unique identification code of the product, and the quantity of the product on the shelf.

Preferably, the method further includes: when the commodity transaction is successful, transferring a first amount of virtual currency in the consumer account to the manufacturer's account, wherein the first amount is the consumption The total amount of goods purchased by the person.

Preferably, the manufacturer sets a profit sharing amount with the distributor for each item on the shelves in advance, and the method further includes: when the consumer obtains a preset quantity of goods from the distributor, The virtual currency of the second amount in the account of the manufacturer is transferred to the account of the distributor, wherein the second amount is calculated based on the amount of the dividend and the preset amount.

Preferably, the step of updating the name and quantity information of the product owned by the consumer based on the pickup information of the consumer from the distributor includes: when the consumer requests from the distributor When the purchased goods are obtained, the identity information of the consumer is verified; when the identity information of the consumer is verified, it is confirmed whether the goods owned by the consumer and the remaining quantity of the goods are the same as those of the consumer festival The expected product information matches; when the product owned by the consumer and the remaining quantity of the product match the product information currently expected to be obtained in the consumer section, confirm the pick-up transaction; and when the pick-up transaction is completed , To update the product name and quantity information owned by the consumer according to the pick-up information.

An embodiment of the present invention provides a commodity transaction device based on a blockchain system. The device includes a processor and a memory. A plurality of computer programs are stored on the memory. The processor is used to execute a computer stored in the memory. The program implements the steps of the above-mentioned commodity transaction method based on the blockchain system.

An embodiment of the present invention also provides a computer-readable storage medium. The computer-readable storage medium stores a plurality of instructions, and the plurality of instructions can be executed by one or more processors to realize the above-mentioned area-based storage medium. The steps of the commodity transaction method of the block chain system.

Compared with the conventional technology, the above-mentioned commodity trading device, method and computer readable storage medium based on the blockchain system can conduct commodity trading on the blockchain network, which can avoid the use of User information leakage, capital loss and other issues, and allows buyers to obtain part or all of the goods they purchase from multiple different distributors.

1: Blockchain system

10: Memory

20: processor

30: Commodity trading program

101: Provide modules

102: Verification Module

103: Broadcast module

104: storage module

105: Sending module

106: transfer module

107: Update module

100: Commodity trading device

S400~S408: steps

FIG. 1 is a schematic diagram of the architecture of a blockchain system according to an embodiment of the present invention.

Fig. 2 is a functional module diagram of a commodity transaction device according to an embodiment of the present invention.

Fig. 3 is a functional module diagram of a commodity transaction program according to an embodiment of the present invention.

Fig. 4 is a flowchart of a commodity transaction method according to an embodiment of the present invention.

Please refer to FIG. 1, which is a schematic diagram of the architecture of a preferred embodiment of the blockchain system of the present invention.

The blockchain system 1 includes a blockchain network and a blockchain. The blockchain network includes multiple nodes, and each node stores the account balances and blockchain addresses of consumers, manufacturers, and distributors. Users (consumers, manufacturers, distributors) can use a unique blockchain address to indicate their identity and assets they own, and can use a set of public and private keys to prove their identity and asset ownership. Consumers, manufacturers, and distributors can use a client (such as a computer or mobile phone) to communicate with any node, and then they can further interact with smart contracts to realize commodity transactions and commodity pickup. For example, consumers, manufacturers, and distributors can communicate with any node through web pages or mobile apps.

Figure 1 shows that the blockchain network includes four nodes (node A, node B, node C, node D), but not limited to four nodes, and more nodes are not shown in Figure 1.

In one embodiment, the manufacturer may be a product manufacturer or an e-commerce platform. In other embodiments of the present invention, the manufacturer may also refer to other stores that sell goods online.

It is understandable that each node can account for the block based on the consensus mechanism, and any one When a node broadcasts information or blocks to the blockchain network, other nodes can receive it and verify the received block. When the proportion of the number of nodes that have passed the verification of the block in the total number of nodes in the entire blockchain network is greater than the preset threshold, it is determined that the blockchain network has passed the verification of the block, and all nodes can Block accounting.

Please also refer to FIG. 2, which is a schematic diagram of a preferred embodiment of a commodity transaction device based on the blockchain system of the present invention.

The commodity trading device may be a server of a blockchain trading platform. The commodity trading device 100 includes a memory 10, a processor 20, and a commodity trading program 30 stored in the memory 10 and running on the processor 20. The processor 20 implements the steps in the embodiment of the commodity trading method when the commodity trading program 30 is executed, such as steps S400 to S408 shown in FIG. 4. Alternatively, when the processor 20 executes the commodity trading program 30, the functions of the modules in the commodity trading program embodiment are implemented, such as the modules 101 to 107 in FIG. 3.

The commodity trading program 30 may be divided into one or more modules, and the one or more modules are stored in the memory 10 and executed by the processor 20 to complete the present invention. The one or more modules may be a series of computer program instruction segments capable of completing specific functions, and the instruction segments are used to describe the execution process of the commodity transaction program 30 in the commodity transaction device 100. For example, the commodity trading program 30 can be divided into the providing module 101, the verification module 102, the broadcasting module 103, the storage module 104, the sending module 105, the transfer module 106 and the update module 107 in FIG. 3. . For the specific functions of each module, refer to the function of each module in Figure 3 below.

Those skilled in the art can understand that the schematic diagram is only an example of the commodity transaction device 100 and does not constitute a limitation on the commodity transaction device 100. It may include more or less components than those shown in the figure, or a combination of certain components, or Different components, for example, the commodity transaction device 100 may also include network access equipment, busbars, and so on.

The so-called processor 20 may be a central processing unit (Central Processing Unit, CPU), It can also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (ASICs), ready-made programmable gate arrays (Field-Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor 20 may also be any conventional processor, etc. The processor 20 may use various interfaces and buses to connect various parts of the commodity transaction device 100.

The memory 10 can be used to store the commodity trading programs 30 and/or modules, and the processor 20 can run or execute the computer programs and/or modules stored in the memory 10, and call the storage The data in the memory 10 realizes various functions of the commodity transaction device 100. The memory 10 may include a high-speed random access memory, and may also include a non-volatile memory, such as a hard disk drive, a memory, a plug-in hard disk drive, and a smart memory card (Smart Media Card, SMC), Secure Digital (SD) card, flash memory card (Flash Card), at least one magnetic disk memory device, flash memory device, or other non-volatile solid state memory device.

Fig. 3 is a functional module diagram of a preferred embodiment of the commodity trading program of the present invention.

Referring to FIG. 3, the commodity trading program 30 may include a providing module 101, a verification module 102, a broadcasting module 103, a storage module 104, a sending module 105, a transfer module 106, and an update module 107. In one embodiment, the aforementioned modules may be programmable software instructions that are stored in the memory 10 and can be invoked and executed by the processor 20. It can be understood that, in other embodiments, the above-mentioned modules may also be program instructions or firmware that are solidified in the processor 20.

The providing module 101 is used to provide a product shelf interface and a product purchase interface for the manufacturer to use the product shelf interface to upload product content to the blockchain system 1 and for the consumer to use the Commodity purchase interface initiates commodity transactions.

In one embodiment, in the blockchain system 1, any user can use his private key to transfer his digital assets to the blockchain addresses of other users. In the blockchain system 1, Each node stores the account balance and blockchain address information of the consumer, the manufacturer, and the distributor. In order to realize commodity transactions, the commodity transaction device 100 needs to provide a commodity shelf interface and a commodity purchase interface, so that the seller can put the commodity on the shelf and the buyer can purchase the commodity. Specifically, the provision module 101 provides a product shelf interface and a product purchase interface, and the manufacturer can use the product shelf interface to upload product content to the blockchain system 1, and the consumer can use all Purchasing goods on the commodity purchase interface and initiating commodity transactions.

In one embodiment, the product content may include information such as the name of the product, the price of the product, the unique identification code of the product, and the quantity of the product on the shelf.

The verification module 102 is used to control each of the nodes A-D to verify the commodity transaction when the consumer initiates a commodity transaction.

In one embodiment, the commodity transaction includes purchased commodity name and quantity information. For example, a consumer can access node A through a mobile phone APP and initiate the commodity transaction. The consumer can select the commodity that he wants to purchase on the purchase page and generate a payment order to make payment. The verification module 102 is used to control each of the nodes A-D to verify the commodity transaction.

In one embodiment, the verification may include confirming that the commodity transaction is indeed initiated by the consumer and confirming the authenticity of the commodity transaction.

The broadcasting module 103 is used to broadcast a verification passed message to the blockchain system 1 when the node passes the verification of the commodity transaction.

In one embodiment, when a node passes the verification of the commodity transaction, the broadcast module 103 broadcasts a verification pass message to the blockchain system 1.

It is understandable that when any node in the blockchain network passes the verification of the commodity transaction, the node will broadcast a verification pass message to other nodes. For example, node A will broadcast a verification passed message to other nodes B-D, and may also receive verification passed messages broadcast by other nodes B-D.

The storage module 104 is used for the node receiving more than a first preset number of verification passes When the message is over, store the name and quantity information of the product purchased by the consumer, so that the consumer can obtain the purchased product from the distributor.

In one embodiment, when the node receives a verification pass message exceeding the first preset number, it indicates that the blockchain network has reached a consensus on the commodity transaction, and the node can determine the area generated by the commodity transaction. The storage module 104 can store the name and quantity information of the product purchased by the consumer, so that the consumer can obtain the purchased product from the distributor. For example, when node A receives a verification message exceeding the first preset number, it indicates that the blockchain network has reached a consensus on the commodity transaction, and the storage module 104 stores the name of the commodity purchased by the consumer and Quantity information to node A. The consumer preferably obtains the purchased goods from an offline distributor, and the manufacturer does not directly ship to the consumer.

In one embodiment, the first preset number can be set according to the consensus mechanism used. For example, the first preset number may be 2/3 of the total number of nodes.

In one embodiment, when the manufacturer has established a cooperative relationship with multiple distributors and the multiple distributors all have blockchain addresses in the blockchain system 1, the consumer can access any 1. The distributor obtains part or all of the purchased commodities.

In one embodiment, the consumer can use a unique blockchain address to identify his identity, so as to obtain part or all of the purchased goods from the distributor.

In one embodiment, the consumer can also obtain part or all of the purchased goods from the distributor by virtue of the pick-up voucher. Specifically, when the commodity transaction is successful, the sending module 105 is configured to send a commodity pick-up certificate to the consumer, so that the consumer can obtain the purchased commodity from the distributor. The pick-up voucher may include the name and quantity information of the purchased product, and may further include the information of the distributors that can pick-up the goods. The consumer can also obtain part or all of the purchased goods from any one of the distributors based on the pick-up voucher.

When the commodity transaction is successful, the transfer module 106 is used to transfer the The first amount of virtual currency is transferred to the manufacturer’s account.

In one embodiment, the first amount is the total amount of goods purchased by the consumer. Specifically, the first amount can be calculated based on the product price set by the manufacturer and the number of products purchased by the user.

It can be understood that the first amount can also be calculated by multiplying the product price and the purchased quantity, and then subtracting the preferential price of the product.

The update module 107 is used for updating the product name and quantity information owned by the consumer according to the information of the consumer's pick-up from the distributor.

In one embodiment, when the consumer picks up the goods from the distributor, the update module 107 can update the product name and quantity information owned by the consumer according to the pick-up information.

It can be understood that when the consumer requests to obtain the purchased goods from the distributor, the consumer's identity information needs to be verified first, and when the consumer's identity information is verified, the consumer's identity information needs to be further confirmed Whether the products owned by the consumer and the remaining quantity of the products match the product information that the consumer currently expects to obtain, for example, confirm whether the products that the consumer expects to obtain are among the products they own, and confirm the Whether the remaining quantity of goods owned by the consumer is greater than or equal to the quantity of goods currently expected to obtain, if the goods that the consumer expects to obtain are among the goods owned by the consumer and the remaining quantity of goods owned by the consumer is greater than or equal to For the current expected quantity of products, it is determined that the products owned by the consumer and the remaining number of products match the product information currently expected to be obtained by the consumer section; when the products owned by the consumer and the remaining number of products match the said When the product information currently expected to be obtained in the Consumer Festival matches, confirm the pick-up transaction, and when the pick-up transaction is completed, update the product name and quantity information owned by the consumer according to the pick-up information.

In one embodiment, the manufacturer presets that each item on the shelf has a profit sharing amount with the distributor. For the same product, the manufacturer can set the same or different points for multiple distributors. The amount of profit. For example, manufacturer A1 sets the profit of distributor C1 for its products B1 The amount is 5 virtual coins, the profit sharing amount of the distributor C2 is set to 5.5 virtual coins, the profit sharing amount of the distributor C3 is set to 6 virtual coins, and the profit sharing amount of the distributor C4 is set to 5 virtual coins.

In one embodiment, after the consumer obtains a preset quantity of commodities from the distributor, the transfer module 106 is also used to transfer the virtual currency of the second amount in the manufacturer's account to the distributor In the merchant account, the second amount is calculated based on the dividend amount and the preset amount. For example, if the manufacturer A1 sets the profit of the distributor C1 to 5 virtual coins for the goods B1 it sells, when the consumer purchases 2 packages of goods B1 from the manufacturer A1 and obtains 2 from the distributor C1 Package commodity B1, the transfer module 106 transfers 10 virtual coins in the account of the manufacturer to the account of the distributor C1.

For example, the consumer’s blockchain address is “ABCD”, the manufacturer’s A1’s blockchain address is “AAAA”, the distributor “7-11 Convenience Store”’s blockchain address is “CCCC”, and the distributor’s blockchain address is “CCCC”. The blockchain address of "Family Family Convenience Store" is "DDDD", and the commodity transaction process is as follows. a). Manufacturer A1 puts the products "Poka Potato Chips" and "Pure Tea" on the blockchain system 1. As shown in Table 1, manufacturer A1 sets the price of "Poca Chips" at 20 virtual coins, the distribution amount of distributors "7-11 Convenience Store" is 10 virtual coins, and distributors "Family Family Convenience Store" are divided The profit amount is 12 virtual coins; manufacturer A1 also sets the price of "Pure Tea" at 25 virtual coins, and the distributor "7-11 Convenience Store" has a profit of 15 virtual coins, and the distributor "Family Convenience Store" The dividend amount is 15 virtual coins.

b).消費者以40虛擬幣購買了2包“波卡洋芋片”。c).智慧合約將消費者帳戶中之40虛擬幣轉存至所述製造商A1之帳戶中。d).智慧合約將所述消費者剩餘之“波卡洋芋片”之數量更新為2(假設未購買前，消費者之“波卡洋芋片”之數量為0)。e).消費者前往通路商“7-11便利店”取得1包“波卡洋芋片”。f).智慧合約將消費者之剩餘之“波卡洋芋片”之數量更新為1。g).智慧合約從所述製造商A1之帳戶中轉帳10虛擬幣至通路商“7-11便利店”之帳戶中。h).消費者前往通路商“全家便利店”取得1包“波卡洋芋片”。i).智慧合約將消費者之剩餘之“波卡洋芋片”之數量更新為0。j).智慧合約從所述製造商A1之帳戶中轉帳12虛擬幣至通路商“全家便利店”之帳戶中。

b). Consumers bought 2 packs of "Poca Chips" with 40 virtual coins. c). The smart contract transfers 40 virtual coins in the consumer's account to the account of the manufacturer A1. d). The smart contract updates the number of "Poca Chips" of the consumer's surplus to 2 (assuming that the number of "Poca Chips" of the consumer is 0 before purchase). e). Consumers go to the distributor "7-11 Convenience Store" to obtain 1 pack of "Poca Chips". f). The smart contract updates the number of consumers' remaining "Poca Chips" to 1. g). The smart contract transfers 10 virtual coins from the account of the manufacturer A1 to the account of the distributor "7-11 Convenience Store". h). Consumers go to the distributor "Family Family Convenience Store" to obtain 1 pack of "Poca Chips". i). The smart contract updates the number of consumers' remaining "Poca Chips" to 0. j). The smart contract transfers 12 virtual currency from the account of the manufacturer A1 to the account of the distributor "Family Convenience Store".

Fig. 4 is a flowchart of a commodity transaction method in an embodiment of the present invention. According to different needs, the order of the steps in the flowchart can be changed, and some steps can be omitted.

Step S400: Provide a commodity shelf interface and a commodity purchase interface for the manufacturer to use the commodity shelf interface to upload commodity content to the blockchain system and for the consumer to use the commodity purchase interface to initiate commodity transactions request.

Step S402, when the consumer initiates a commodity transaction, control each of the nodes to verify the commodity transaction.

Step S404, when the node passes the verification of the commodity transaction, broadcast a verification passed message to the blockchain system 1.

Step S406: When the node receives a verification message exceeding the first preset number, it stores the name and quantity information of the product purchased by the consumer, so that the consumer can obtain the purchased product from the distributor. commodity.

In step S408, the product name and quantity information owned by the consumer is updated according to the information of the consumer's pick-up from the distributor.

The above-mentioned commodity transaction device, method and computer readable storage medium based on the blockchain system Quality. Commodity transactions in the blockchain network can avoid user information leakage and capital loss to the greatest extent, and allow buyers to obtain some or all of the products they purchase from multiple different distributors.

In summary, the present invention meets the requirements of an invention patent, and Yan filed a patent application in accordance with the law. However, the above are only the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments. Anyone familiar with the art of the present case makes equivalent modifications or changes based on the spirit of the present invention. Should be covered in the scope of the following patent applications.

S400~S408: steps

Claims (8)

A commodity transaction method based on a blockchain system. The blockchain system includes multiple nodes, each of which stores the account balances and blockchain addresses of consumers, manufacturers, and multiple distributors, The method includes: providing a commodity shelf interface and a commodity purchase interface for the manufacturer to use the commodity shelf interface to upload commodity content to the blockchain system and for the consumer to use the commodity purchase interface to initiate Commodity transactions; when the consumer initiates a commodity transaction, control each of the nodes to verify the commodity transaction; when the node verifies the commodity transaction, broadcast a verification pass message to the blockchain System; when the node receives a verification message exceeding the first preset number, store the name and quantity information of the product purchased by the consumer, so that the consumer can cooperate with the manufacturer from any one The related distributor obtains part or all of the purchased goods; and updates the name and quantity information of the product owned by the consumer according to the information of the consumer's pick-up from the distributor. The method according to claim 1, wherein the step of storing the name and quantity information of the product purchased by the consumer so that the consumer can obtain part or all of the purchased product from any one of the distributors includes : Store the name and quantity information of the product purchased by the consumer; and send the product pick-up certificate to the consumer, so that the consumer can obtain part or all of the purchased product from any one of the distributors. The method according to claim 1, wherein the content of the product includes the name of the product, the price of the product, the unique identification code of the product, and the quantity of the product on the shelf. The method described in claim 1, further including: When the commodity transaction is successful, the virtual currency of the first amount in the consumer's account is transferred to the manufacturer's account, wherein the first amount is the total amount of commodities purchased by the consumer. The method according to claim 1, wherein the manufacturer sets a profit sharing amount with the distributor for each item on the shelves in advance, and the method further includes: when the consumer obtains a pre-payment from the distributor When a quantity of commodities is set, the virtual currency of the second amount in the manufacturer's account is transferred to the dealer's account, where the second amount is calculated based on the dividend amount and the preset amount. The method according to claim 1, wherein the step of updating the product name and quantity information owned by the consumer according to the pickup information of the consumer from the distributor includes: when the consumer When the person requests to obtain the purchased goods from the distributor, the identity information of the consumer is verified; when the identity information of the consumer is verified, it is confirmed whether the consumer has the goods and the remaining quantity of the goods Match with the commodity information currently expected to be obtained by the Consumer Festival; when the commodity owned by the consumer and the remaining quantity of the commodity match the commodity information currently expected to be obtained by the Consumer Festival, confirm the pickup transaction; and when When the pickup transaction is completed, the product name and quantity information owned by the consumer is updated according to the pickup information. A commodity transaction device based on a blockchain system, comprising a processor and a memory, wherein a plurality of computer programs are stored on the memory, and the processor is used to execute the computer programs stored in the memory to realize the requirements 1 to 6 Any of the steps of the commodity transaction method based on the blockchain system. A computer-readable storage medium, wherein the computer-readable storage medium stores a plurality of instructions, and the plurality of instructions can be executed by one or more processors, so as to realize any one of claims 1 to 6 The steps of the commodity transaction method based on the blockchain system.

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