CN110597883A - Vehicle rental data processing method and device based on block chain and storage medium - Google Patents
Vehicle rental data processing method and device based on block chain and storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
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- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0645—Rental transactions; Leasing transactions
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0042—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects
- G07F17/0057—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects for the hiring or rent of vehicles, e.g. cars, bicycles or wheelchairs
Abstract
The application relates to a vehicle rental data processing method, a device, a computer readable storage medium and computer equipment based on a block chain, wherein the method comprises the following steps: receiving a leasing message reported by a leasing vehicle, writing leasing data corresponding to the leasing message into a block chain, searching the leasing data corresponding to the leasing vehicle from the block chain when the fact that the actual leasing time length exceeds the prestored leasing request time length is detected, acquiring the block time corresponding to the leasing data, determining the record leasing time length according to the block time, and obtaining the leasing overtime data according to the time difference between the record leasing time length and the leasing request time length. According to the scheme, the block chain can be used for storing the leasing data, the accuracy of recording the leasing duration is guaranteed based on the block time, and even if the data recorded in the timing system and the server are in failure, the accurate leasing overtime data can be obtained.
Description
Technical Field
The present application relates to the field of blockchain technologies, and in particular, to a method and an apparatus for processing vehicle rental data based on blockchain, a computer-readable storage medium, and a computer device.
Background
With the evolution of social lifestyles, more and more items are beginning to be rented, such as vehicle rentals, house rentals, etc. Vehicle rental is a form of transaction in which the property usage right of a vehicle is separated from ownership, a lessor has property ownership, a lessee has property usage right, and the lessee enter into a rental contract to exchange usage rights. When a user rents a vehicle, the vehicle usage time is typically recorded in real time by a local server and a timing device. In the actual vehicle rental process, due to some subjective or objective factors, the rental timeout phenomenon occurs when the user rents the vehicle, that is, the actual used rental time exceeds the requested rental time.
In the conventional scheme, detailed rental timeout data is generally obtained based on data records of a timing system and a local server, but because the timing system and the local server are both likely to have faults or are invaded by hackers, the recorded vehicle use time is deviated from the actual use time, and errors occur in the rental timeout data records.
Disclosure of Invention
Based on this, it is necessary to provide a block chain-based vehicle rental data processing method, apparatus, computer-readable storage medium, and computer device for improving rental timeout data accuracy, in order to solve the technical problem that rental vehicle rental timeout data is inaccurate.
A vehicle rental data processing method based on a block chain comprises the following steps:
receiving a rental message reported by a rental vehicle;
writing the leasing data corresponding to the leasing message into a block chain;
when the fact that the actual leasing duration exceeds the prestored leasing duration request is detected, leasing data corresponding to the leasing vehicle is searched from the block chain;
acquiring block time corresponding to the leasing data, and determining and recording the leasing duration according to the block time;
and obtaining rental timeout data according to the time difference between the recorded rental duration and the requested rental duration.
A block chain based vehicle rental data processing apparatus comprising:
the rental message receiving module is used for receiving the rental message reported by the rental vehicle;
the lease message writing module is used for writing lease data corresponding to the lease message into the block chain;
the leasing data searching module is used for searching leasing data corresponding to the leasing vehicle from the block chain when the fact that the actual leasing duration exceeds the prestored leasing request duration is detected;
the lease duration determining module is used for acquiring the block time corresponding to the lease data and determining and recording the lease duration according to the block time;
and the overtime data obtaining module is used for obtaining the rental overtime data according to the time difference between the recorded rental time and the requested rental time.
A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
receiving a rental message reported by a rental vehicle;
writing the leasing data corresponding to the leasing message into a block chain;
when the fact that the actual leasing duration exceeds the prestored leasing duration request is detected, leasing data corresponding to the leasing vehicle is searched from the block chain;
acquiring block time corresponding to the leasing data, and determining and recording the leasing duration according to the block time;
and obtaining rental timeout data according to the time difference between the recorded rental duration and the requested rental duration.
A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of:
receiving a rental message reported by a rental vehicle;
writing the leasing data corresponding to the leasing message into a block chain;
when the fact that the actual leasing duration exceeds the prestored leasing duration request is detected, leasing data corresponding to the leasing vehicle is searched from the block chain;
acquiring block time corresponding to the leasing data, and determining and recording the leasing duration according to the block time;
and obtaining rental timeout data according to the time difference between the recorded rental duration and the requested rental duration.
According to the vehicle leasing data processing method and device based on the block chain, when the leasing information reported by the leasing vehicle is received, the server serves as a node in the block chain network, the leasing data in the leasing information is written into the block chain, so that the storage of the leasing data is realized, when the actual leasing time exceeds the prestored leasing request time, the leasing data corresponding to the leasing vehicle is obtained from the block chain, the record leasing time is determined according to the corresponding block time, the accuracy of the record of the leasing time is ensured by using the accurate and reliable block time in the block chain, and the accurate leasing overtime data can be obtained even if the data recorded in the timing system and the server have faults.
Drawings
FIG. 1 is a block chain-based application environment diagram of a vehicle rental data processing method in one embodiment;
FIG. 2 is a flowchart illustrating a method for processing rental data of vehicles based on block chains according to an embodiment;
FIG. 3 is a flowchart illustrating the steps for obtaining rental start time and rental end time, in one embodiment;
FIG. 4 is a flowchart illustrating the step of feeding back the timeout indication message in one embodiment;
FIG. 5 is a flowchart illustrating the step of feeding back the timeout indication message in another embodiment;
FIG. 6 is a diagram of an application scenario of the method for processing rental car data based on a block chain in one embodiment;
FIG. 7 is a flowchart illustrating a method for processing rental data of vehicles based on block chains according to another embodiment;
FIG. 8 is a block diagram of a block chain based vehicle rental data processing apparatus according to one embodiment;
FIG. 9 is a block diagram of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
FIG. 1 is a block chain-based application environment diagram of the method for processing rental data of vehicles in one embodiment. The vehicle rental data processing method based on the block chain is applied to a vehicle rental system. The vehicle rental system includes a rental vehicle 110 and a vehicle rental data blockchain network 120 that includes a plurality of nodes 122. The node 122 receives the rental message reported by the rental vehicle 110, and the node 122 writes the rental data corresponding to the rental message into the block chain; when the node 122 detects that the actual rental duration exceeds the prestored rental duration request, searching rental data corresponding to the rental vehicle from the block chain; and then, acquiring block time corresponding to the leasing data, determining the recorded leasing duration according to the block time, and finally obtaining the leasing overtime data according to the time difference between the recorded leasing duration and the requested leasing duration. And feeding back the rental overtime data to a data display device of the rental car or a user terminal corresponding to a user renting the car. In the embodiment, the node 122 may be a server directly used for managing the rental car, or may be a server connected to a management platform for managing the rental car through a network.
In one embodiment, the vehicle rental system further includes a user terminal 130, and the terminal 130 is connected to the node 122 through a network. When a user needs to rent a vehicle, a vehicle leasing request is sent to the node through the user terminal, the node receives the vehicle leasing request sent by the user terminal, the leased vehicle corresponding to the vehicle leasing request is determined, and unlocking verification information of the leased vehicle is fed back to the user terminal, so that the user can open a vehicle door of the leased vehicle through the unlocking verification information. In an embodiment, the terminal 130 may specifically be a desktop terminal or a mobile terminal, and the mobile terminal may specifically be at least one of a mobile phone, a tablet computer, a notebook computer, and the like. Node 122 may be implemented as a stand-alone server or as a server cluster comprised of multiple servers.
In another embodiment, the vehicle rental system further comprises a management platform, the user terminal is connected with the management platform through a network, and the management platform is connected with the rental vehicle through the network. The management platform is used for realizing daily data management of the rental vehicles and uploading rental data needing to be stored and certified to the nodes in a rental message mode so as to store the rental data nodes into the block chain network.
The nodes and the nodes of the same block chain network can realize data sharing, the node 122 can receive the lease message reported by the lease vehicle or the lease message reported by the management platform during normal work, the received lease message is used as input information, and the shared data in the block chain network is maintained based on the input information. In order to perform information intercommunication in the blockchain network, information connection may exist between each node in the blockchain network, and information transmission may be performed between the nodes through the information connection. For example, when any node in the blockchain network receives input information, other nodes in the blockchain network acquire the input information according to a consensus algorithm, and store the input information as data in shared data, so that the data stored on all nodes in the blockchain network are consistent. Each block chain node in the block chain has a node identifier corresponding thereto, and each block chain link point in the block chain may store node identifiers of other nodes in the block chain, so that the generated block is broadcast to other nodes in the block chain according to the node identifiers of other nodes in the following. Each block chain node can maintain a node identification list, and the node name and the node identification are correspondingly stored in the node identification list. The node identifier may be an IP (Internet Protocol ) address and any other information that can be used to identify the blockchain node. Each node in the same blockchain network stores an identical blockchain, the blockchain network is essentially a decentralized database and is a string of data blocks which are generated by correlation through a cryptographic method, and each data block contains information of a batch of network transactions and is used for verifying the validity (anti-counterfeiting) of the information and generating the next blockchain. The block chain is composed of a plurality of blocks, the starting block comprises a block head and a block main body, the block head stores an input information characteristic value, a version number, a timestamp and a difficulty value, and the block main body stores input information; the next block of the starting block takes the starting block as a parent block, the next block also comprises a block head and a block main body, the block head stores the input information characteristic value of the current block, the block head characteristic value of the parent block, the version number, the timestamp and the difficulty value, and the like, so that the block data stored in each block in the block chain is associated with the block data stored in the parent block, and the safety of the input information in the block is ensured.
As shown in fig. 2, in one embodiment, a block chain based vehicle rental data processing method is provided. The embodiment is mainly illustrated by applying the method to the node in fig. 1, i.e. the server. The block chain-based vehicle rental data processing method specifically includes the following steps S202 to S210.
S202, the server receives the rental information reported by the rental car.
The vehicle leasing refers to a right transfer form that the property usage right of the vehicle is separated from the ownership right, a lessor has the property ownership right, a lessee has the property usage right, and the lessor and the lessee make a leasing contract to exchange the usage right. The server is a node in the vehicle rental data block chain network, can directly receive rental messages reported by rental vehicles, and can also receive rental messages sent by the rental vehicles through the management platform. The leasing information refers to that the leasing vehicle acquires vehicle information through the vehicle-mounted internet of things device, and the leasing information can include any one or more of vehicle identification, user getting-on record, getting-on time, user getting-off record, getting-off time and positioning data.
S204, the server writes the leasing data corresponding to the leasing message into the block chain.
The rental data corresponding to the rental message may be specific data information carried in the rental message, such as a vehicle identifier and a user boarding record. As another example, the vehicle identification and the time of getting on when the user got on the vehicle. As another example, vehicle identification and current vehicle positioning data. But also data information related to the rental message, such as rental order number, etc. In an embodiment, the rental data includes the rental order number of the user, and items of data corresponding to the rental order number, such as the user identification, the rental start time, the rental end time, and the like. The server is used as a node in the vehicle rental data block chain network, the block chain which is the same as other nodes is stored, the block chain is composed of a plurality of blocks, and the node can write rental data corresponding to the rental message into a block main body of the block chain to realize the uplink of the rental message. When the rental data is written into the block chain by calling the write chain interface, the block head of the block where the rental data is located contains the time when the block is out, namely the block time of the block. And after the rental data is successfully written, obtaining the returned block hash, and inquiring the block time of the block according to the block hash.
In one embodiment, the process of writing a blockchain for a lease message includes: the method comprises the steps that a lease message is used as input data of a block chain, input information is verified, after verification is completed, the input information is stored in a memory pool, and a hash tree used for recording the input information is updated; and then, updating the updating time stamp to the time when the input information is received, trying different random numbers, and calculating the characteristic value for multiple times, so that the calculated characteristic value can meet the following formula:
SHA256(SHA256(version+prev_hash+merkle_root+ntime+nbits+x))＜TARGET
wherein, SHA256 is a characteristic value algorithm used for calculating a characteristic value; version is version information of the relevant block protocol in the block chain; prev _ hash is a block head characteristic value of a parent block of the current block; merkle _ root is a characteristic value of the input information; ntime is the update time of the update timestamp; nbits is the current difficulty, is a fixed value within a period of time, and is determined again after exceeding a fixed time period; x is a random number; TARGET is a feature threshold, which can be determined from nbits. When the random number meeting the formula is obtained through calculation, the input data can be correspondingly stored, and a block head and a block main body are generated to obtain the current block. And then, the node where the block chain is located respectively sends the newly generated blocks to other nodes in the block chain network where the newly generated blocks are located according to the node identifications of the other nodes in the block chain network, the newly generated blocks are verified by the other nodes, and the newly generated blocks are added to the block chain stored in the newly generated blocks after the verification is completed, so that the input data are written in.
In one embodiment, as shown in fig. 3, the block chain-based vehicle rental data processing method further includes step S302.
S302, receiving a vehicle leasing request sent by the user terminal, determining a leasing vehicle, and feeding back unlocking verification information of the leasing vehicle to the user terminal.
The step of receiving the rental message reported by the rental car includes steps S304 to S306.
S304, receiving a first rental message reported when the rental vehicle verifies that the unlocking verification information of the rental vehicle passes, and a second rental message reported when the rental vehicle detects that the user gets off and meets the preset returning condition.
S306, recording the leasing start time carried by the first leasing message and the leasing end time carried by the second leasing message.
Before allowing the user to rent the vehicle, the server needs to acquire a vehicle rental request of the user so as to determine the rental vehicle according to the vehicle rental request. Specifically, the rental car may be a car that the user specifies needs to rent, the user inputs a car identifier through the user terminal, and then sends a car rental request carrying the car identifier of the car to the server, or the user terminal sends the car rental request to the server, and the server selects a car that is not rented nearby as the rental car of the user according to the car distribution data, and feeds back a request result carrying the car identifier of the selected car to the user terminal. The vehicle identifier may specifically refer to a license plate number of the vehicle, a two-dimensional code arranged on the vehicle, or a vehicle number, and the like, and the vehicle identifier of each vehicle is unique. When the server receives the vehicle rental request, the unlocking verification information of the rental vehicle is fed back to the user terminal, so that the terminal can open the door of the rental vehicle based on the unlocking verification information. In the embodiment, when the server receives the vehicle rental request or receives the user boarding record fed back by the rental vehicle, the server generates the rental order number according to the user identity information carried in the vehicle rental request, and the user identity information can be a registered account number of the user. The vehicle-mounted Internet of things equipment in the rental vehicle can verify whether the unlocking user is the rental user in the rental order number or not according to the unlocking verification information. When the unlocking user is a leasing user, the vehicle door is opened through the control of the vehicle-mounted Internet of things device, and when the unlocking user is not the leasing user, the vehicle door is not opened. When the vehicle-mounted Internet of things equipment verifies that the unlocking verification information of the vehicle passes, the first leasing message is reported to the server, and when the vehicle-mounted Internet of things equipment detects that the user gets off the vehicle and meets the preset vehicle returning condition, the second leasing message is reported to the server. The preset car returning condition may refer to that the rental car reaches a specified parking place, and the like, and may be specifically set according to actual needs of the rental business, which is not limited herein. The server records the leasing start time carried by the first leasing message when receiving the first leasing message corresponding to the start of using the car by the user, namely the getting-on of the user, and records the leasing end time carried by the second leasing message when receiving the second leasing message corresponding to the return of the car by the user, namely the getting-off of the user.
In one embodiment, as shown in fig. 4, after receiving the first rental message reported when the rental car passes the verification information of vehicle unlocking, steps S402 to S406 are further included.
S402, extracting the lease duration request corresponding to the vehicle lease request, and determining the lease starting time corresponding to the first lease message.
S404, the lease duration is updated in real time by taking the lease starting time as a time starting point.
S406, when the real-time updated leasing duration exceeds the leasing request duration, feeding back an overtime prompt message.
In the rental business, the server needs to acquire a certain amount of resources from the resource account of the user as exchange according to the rental duration of the user. When a user sends a vehicle rental request to a server through a user terminal, the server needs to determine the requested rental duration first. In one embodiment, the server determines the longest lease time corresponding to the available resource amount in the resource account according to the resource account information of the user, and determines the requested lease time as valid data when the lease time requested by the user is less than the longest lease time, and otherwise, the lease time is invalid data. In another embodiment, the server determines the required resource amount corresponding to the lease duration according to the lease duration requested by the user, and determines the lease duration requested as valid data when the required resource amount is less than the available resource amount, and otherwise, determines the lease duration requested as invalid data. And when the lease duration requested in the lease request is invalid data, the server feeds back prompt information for updating the lease duration to the user terminal. And when the lease duration requested in the lease request is effective data, writing the lease duration requested into the data corresponding to the lease order number. The server can extract the lease duration request from the data corresponding to the lease number. The lease start time corresponding to the first lease message may be time information of the vehicle-mounted internet of things device itself, and the server obtains the lease start time by obtaining time data carried in the lease message. The server may acquire the time data of the server itself as the rental start time when receiving the first rental message, or the server may use the time of the server itself as the rental start time when receiving the first rental message. And starting timing by taking the lease starting time as a time starting point, updating the lease duration in real time, and feeding back an overtime prompt message when the lease duration updated in real time exceeds the lease duration request. The overtime prompting message can be fed back to the user terminal independently, can also be fed back to the message prompting device of the rental car independently, and can also be fed back to the user terminal and the message prompting device of the rental car simultaneously. In an embodiment, the server judges whether the rental car is in operation or not through acquisition information reported by the vehicle-mounted internet of things device, so as to determine whether the user is in the car or not, wherein the acquisition information may be data acquired by a sound acquisition device or a camera acquisition device in the rental car, or vehicle operation data acquired by a vehicle ECU, for example, the vehicle is running or the vehicle is stationary. When the user is in the car, the server feeds the overtime prompting message back to the message prompting device of the rental car, and when the user is not in the car, the server feeds the overtime prompting message back to the user terminal.
In one embodiment, after feeding back the timeout indication message when the rental duration updated in real time exceeds the rental duration requested, the method further includes:
and sending a rental status detection message to the rental vehicle. And receiving a rental state detection result fed back by the rental vehicle according to the preset frequency data. And when any rental state detection result is that the vehicle is not returned, writing the rental state detection result into the block chain.
The preset frequency data refers to a detection frequency set by the server, and the frequency data can be specifically adjusted according to actual service needs. For example, the resource allocation rule is set, and if the resource allocation rule is an hourly allocation rule and a one-hour calculation rule is less than one hour, the corresponding frequency data may be 1 hour. The server sends the leasing state detection message to the leasing vehicle according to the preset frequency data, or the server sends the leasing state detection message carrying the preset frequency data to the leasing vehicle, so that the leasing vehicle feeds back the leasing state detection result to the server according to the preset frequency. And when any rental state detection result is detected to be that the vehicle is not returned, writing the rental state detection result into the block chain. The process of writing the rental status detection result is the same as the process of the rental data.
In one embodiment, as shown in fig. 5, after receiving the rental message reported by the rental car, steps S502 to S5006 are further included.
S502, determining the actual lease duration according to the lease starting time and the lease ending time corresponding to the lease message.
S504, the rental duration requested by the vehicle rental request is extracted.
S506, when the fact that the actual leasing duration exceeds the prestored leasing request duration is detected, an overtime prompting message is fed back.
After the rental user returns the rental car, the server can obtain the rental start time and the rental end time. The lease start time and the lease end time may be time carried in a lease message reported by a lease vehicle, time of the server itself, or time carried by the server in a block chain. And calculating the time difference between the lease starting time and the lease ending time to obtain the actual lease duration. And feeding back an overtime prompt message when the fact that the lease duration exceeds the prestored lease request duration is detected. Specifically, the timeout indication message may be fed back to the user terminal described in the rental ticket number correspondence data.
S206, when the fact that the actual leasing duration exceeds the pre-stored leasing duration request is detected, leasing data corresponding to the leasing vehicle is searched from the block chain.
When the actual lease duration exceeds the prestored lease duration requested, the situation that the available resource amount of the lease user is insufficient may exist, at this time, the resource corresponding to the lease overtime part needs to be allocated to the user resource account, in order to ensure the accuracy of the data, the lease data of the lease user is stored and verified on the block chain, and the searched lease data refers to the lease data written into the block chain by the server according to the lease information reported by the lease vehicle used by the lease user in the lease process. Due to the non-tamper-ability of the data in the block chain, it can be guaranteed that the rental data of the rental user is authentic. In an embodiment, the rental data includes the rental order number of the user, and items of data corresponding to the rental order number, such as the user identification, the rental start time, the rental end time, and the like. In an embodiment, the rental data corresponding to the rental vehicle is searched from the blockchain, and the target block in which the vehicle identifier is stored is searched from the blockchain according to the vehicle identifier of the rental vehicle, and the written rental data in the target block is acquired. The block header of the block in which the rental data is located includes block time.
S208, obtaining the block time corresponding to the rental data, and determining the recorded rental duration according to the block time.
And respectively extracting the block time in the block head of each block according to the block where the lease start information and the block where the lease end information in the lease data are located, and obtaining the recorded lease duration according to the time difference between the two block times. Recording the lease duration refers to determining the lease duration according to the block time stored in the block chain, and compared with the actual lease duration recorded by the server, the record of the lease duration has higher reliability. On one hand, the data in the block chain has non-tamper property, and is not easy to be maliciously attacked to cause the data to be modified, on the other hand, the block in which the data stored in the block chain is located has block time, and for the lease start time and the lease end time, the reliability of recording the lease duration can be further ensured by comparing the lease start time and the lease end time with the time data.
And S210, obtaining rental timeout data according to the time difference between the recorded rental time and the requested rental time.
And the server calculates the time difference between the recorded lease duration and the request lease duration to obtain lease timeout data. In an embodiment, the server may further send lease timeout data to the user terminal to alert the user of a specific timeout condition. In one embodiment, a charging intelligent contract is also deployed in the block chain, the server calls the charging intelligent contract in the block chain, when the server generates lease timeout data, a resource allocation logic in the charging intelligent contract is triggered, and resources corresponding to the lease timeout data are allocated to an account specified by the server from a user resource account.
In one embodiment, the vehicle rental data processing method further includes:
and receiving a data verification request, and acquiring the requested rental data from the block chain according to verification information in the data verification request.
And respectively verifying the acquired rental data and the rental data carried by the data verification request according to the data content and the recording time, and feeding back a verification result to a sending end of the data verification request.
When the user disagrees with the rental data, a data verification request can be sent to a platform or a server associated with the rental car, and when the server receives the data verification request of the user, verification information of the data verification request is extracted, wherein the verification information can comprise rental car identification, rental order number or user identity identification and the like. In the embodiment, the verification information has a corresponding relationship with the information stored in the block chain, and the lease data corresponding to the verification information can be found from the block chain according to the verification information. For example, according to the rental order number, the rental data corresponding to the rental order number is found from the blockchain. At least one item of verification information needs to be selected on a page corresponding to the data verification request of the user terminal, so that the renting data can be conveniently searched. In the embodiment, the lease data corresponding to the lease message is written into the block chain, and the lease message is also fed back to the user terminal, but when a network fault exists or data is maliciously tampered, the data sent to the user terminal may deviate from the actual situation, and the user finds that a difference exists based on the deviated data and the resources allocated according to the recorded lease time, so that the user wants to verify the lease data. The lease data carried by the data verification request refers to lease data recorded by the user terminal, and can be lease data which is issued by the server and is the same as the lease message, or lease data which is obtained by the user terminal based on a time recording device of the terminal. The server respectively verifies the leasing data acquired from the block chain and the leasing data carried by the data verification request according to data content and recording time, wherein the data content can be various data corresponding to a leasing order number, the recording time can be leasing starting time, leasing ending time and the like, the verification result is fed back to a sending end of the data verification request, and the sending end of the data verification request can be a user terminal.
In one embodiment, after receiving the rental message reported by the rental car, the method further includes: and extracting the positioning data of the rental vehicle from the rental message, and writing the positioning data into the block chain.
The leasing vehicle can detect the start or the end of leasing through the vehicle-mounted Internet of things equipment, report a leasing message carrying leasing start or end information to the server, also report a leasing message carrying vehicle positioning data to the server in real time or at regular time, extract the positioning data of the leasing vehicle from the leasing message reported in real time or at regular time by the server, and write the positioning data into the block chain. In the application process, the track information formed by the positioning data of the rental car can be checked on the rental system by acquiring the positioning data of the rental car in real time or periodically, and the mileage can be calculated according to the track data. In addition, when the appointed returning time is reached but the user does not return the car, the corresponding rental car can be found according to the positioning data of the rental car. In the embodiment, in the process of vehicle leasing, when the mileage is greater than the preset mileage, the user can additionally obtain the corresponding resource amount according to the leasing requirement, and the mileage on the vehicle can be modified. By acquiring the vehicle positioning data, uploading the vehicle positioning data to the block chain, looking up the track information formed by the vehicle positioning data according to the positioning data willingly, calculating mileage according to the track information, and storing evidence on the block chain, the real reliability of the data is ensured.
In one embodiment, when the rental is overtime and the user does not return the rental car, the server determines the current location information of the rental car according to the location data in the rental message reported by the rental car or the location data written into the block chain, so that the manager of the rental car manages the rental car and the user renting the rental car according to the location data.
And the rental vehicle is not returned when the rental of the user is overtime, and the positioning data of the rental vehicle is not changed within a period of time. When the positioning data of the rental vehicle is not changed any more, the rental vehicle is in a static state, that is, the user does not use the rental vehicle at present, but the user does not return the rental vehicle according to the return requirement, for example, does not return the rental vehicle to the designated return location. At this time, the server can perform online or offline management according to the positioning data, including prompting the user to return the rental car or directly recovering the rental car according to the position represented by the positioning data.
For example, the server acquires the user terminal identifier according to the user rental request, and sends prompt information to the terminal corresponding to the user terminal identifier to prompt the user to return the rental car. The prompt information comprises a returning place of the rental vehicle closest to the rental vehicle, a path for going to the returning place and the like. The prompt message may also carry read feedback information, and when the user reads the prompt message through the user terminal, the server may receive the read receipt automatically fed back by the user terminal, so that the staff can know the information receiving condition of the user through the read receipt.
For another example, the server may further send the rental information of the rental car to the corresponding staff member, and the staff member contacts the user according to the user contact information in the rental information, so as to prompt the user to return the rental car to the rental car according to the return requirement. For example, after the server sends the prompt message to the user terminal, the server may send an instruction to the terminal corresponding to the staff member so that the staff member contacts the user within a set time, for example, two hours without receiving the read receipt fed back by the user terminal, where the contact information includes a voice call, a video call, and the like. The staff can be customer service staff or vehicle recovery management staff, and the vehicle recovery management staff can be staff which is determined to be closest to the rental vehicle from a plurality of vehicle recovery management staff through distance analysis by the server.
For another example, the server may further send the rental information of the rental car to a car recycling manager, and the car recycling manager may recycle the rental car according to the rental information. For example, after the customer service staff or the vehicle recovery management staff contacts the user, the customer service staff or the vehicle recovery management staff appoint the return time with the user, the server records the appointed return time, and when the detection result shows that the appointed return time is reached but the user does not return the rental vehicle to the appointed position, the vehicle recovery management staff goes to the position indicated by the latest positioning data based on the latest positioning data sent by the server to recover the vehicle.
According to the vehicle leasing data processing method based on the block chain, when the leasing information reported by the leasing vehicle is received, the server serves as a node in the block chain network, the leasing data in the leasing information is written into the block chain, storage evidence of the leasing data is achieved, when the actual leasing time exceeds the prestored leasing request time, the leasing data corresponding to the leasing vehicle is obtained from the block chain, the leasing time is determined and recorded according to the corresponding block time, the accuracy of the record of the leasing time is ensured by using the accurate and credible block time in the block chain, and even if the data recorded in the timing system and the server are in fault, the accurate leasing overtime data can be obtained.
In an embodiment, the application scenario of fig. 6 is taken as an example to describe the vehicle rental data processing method based on the block chain in the present application.
When a user rents a car, the car to be rented can be opened in a fingerprint unlocking mode, the internet of things equipment on the rented car can judge that the user gets on the car, the car using time of the user is recorded, and the car using time is uploaded to the server so that the block chain can store the evidence. When the charging is carried out, the car renting time of the user, namely the total duration used for renting the car, can be determined according to the car using time and the current time, then the car renting cost is calculated according to the car renting time and the car renting unit price, and then the fee is deducted from the balance of a user account of the renting system or other fund accounts. In addition, when the vehicle using time is uploaded, the user identity information, the user credit information and the vehicle information corresponding to the rental order number can be uploaded to the block chain. Judging the allowed longest lease time length according to the balance of a user account or funds in other fund accounts, judging whether the appointed car returning time is reached or not by comparing the actual lease time length with the lease request time length, and periodically uploading the car renting time (including the car using time and the current time of the user) of the user to a block chain for storage according to the time frequency in the charging rule if the appointed car returning time is reached but the user does not return the car. When the expense dispute occurs, the car renting time of the user can be searched from the block chain through the user identity information or the renting order number, the total expense is obtained through charge calculation according to the car renting time, and the arrearage information is calculated according to the total expense and the paid expense, so that whether the arrearage of the user is accurate or not can be determined. In addition, under the condition that the lease timeout exists, the arrearage information of the user can be uploaded to the block chain at the same time, so that when the expense dispute occurs, the calculated arrearage information and the arrearage information of the deposit certificate are compared, and whether the arrearage of the user is accurate or not can be determined. When the mileage is larger than the preset mileage during the renting process, the user can charge additional fee, and the mileage on the vehicle can be modified. In one embodiment, the taxi renter can periodically acquire the vehicle positioning data and upload the vehicle positioning data to the block chain, so that the lessor can check track information formed by the vehicle positioning information on the rental system and calculate mileage according to the track information. In addition, when the appointed returning time is reached but the user does not return, the taxi can search the corresponding vehicle according to the vehicle positioning information. Because the vehicle using time of the uplink and the current time are the time of the internet of things equipment, the time can be modified, and the vehicle renting time is different from the actual vehicle using time. By writing the leasing data into the block chain when leasing starts and ends, and by using the accurate and credible block time in the block chain, the accurate and feasible leasing time can be obtained, and even if the cost dispute caused by the leasing overtime time occurs, the problem can be solved by powerful proof.
In one embodiment, as shown in fig. 7, the block chain-based vehicle rental data processing method in the present application is explained by a most specific embodiment. The method includes the following steps S702 to S730.
S702, receiving a vehicle leasing request sent by the user terminal, determining a leasing vehicle, and feeding back unlocking verification information of the leasing vehicle to the user terminal.
S704, when a first rental message reported when the rental car passes the unlocking verification information of the verification car, writing first rental data corresponding to the first rental message into the block chain.
S706, extracting the lease duration request corresponding to the vehicle lease request, and recording the lease starting time corresponding to the first lease message.
S708, the lease duration is updated in real time by taking the lease start time as a time starting point.
S710, sending a rental state detection message to the rental car, and receiving a rental state detection result fed back by the rental car according to the preset frequency data.
And S712, writing the leasing state detection result into the block chain when any leasing state detection result is that the vehicle is not returned.
S714, when the real-time updated leasing duration exceeds the leasing request duration, feeding back a first overtime prompting message.
And S716, when a second rental message reported when the rental car detects that the user gets off the car and meets the preset car returning condition is received, writing second rental data corresponding to the second rental message into the block chain.
S718, recording a rental end time corresponding to the second rental message.
S720, determining the actual lease duration according to the lease starting time and the lease ending time.
S722, when the fact that the actual leasing duration exceeds the pre-stored leasing duration request is detected, feeding back a second overtime prompting message, and searching leasing data corresponding to the leasing vehicle from the block chain.
S724, acquiring the block time corresponding to the rental data, and determining the recorded rental duration according to the block time.
And S726, obtaining rental timeout data according to the time difference between the recorded rental time and the requested rental time.
And S728, receiving the data verification request, and acquiring the lease data corresponding to the verification information from the block chain according to the verification information in the data verification request.
And S730, verifying the acquired rental data and the rental data carried by the data verification request according to the data content and the recording time, and feeding back a verification result to a sending end of the data verification request.
FIG. 7 is a flowchart illustrating a method for rental data of vehicles according to one embodiment. It should be understood that, although the steps in the flowchart of fig. 7 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 7 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
In one embodiment, as shown in FIG. 8, a block chain based vehicle rental data processing apparatus 800 is provided that includes a rental message receiving module 802, a rental message writing module 804, a rental data searching module 806, a rental duration determining module 808, and a timeout data obtaining module 810.
A rental message receiving module 802, configured to receive a rental message reported by a rental car.
A lease message writing module 804, configured to write lease data corresponding to the lease message into the block chain.
And a leasing data searching module 806, configured to search leasing data corresponding to the leasing vehicle from the blockchain when it is detected that the actual leasing duration exceeds the pre-stored leasing duration request.
And a lease duration determining module 808, configured to obtain the block time corresponding to the lease data, and determine to record the lease duration according to the block time.
And an overtime data obtaining module 810, configured to obtain rental overtime data according to a time difference between the recorded rental duration and the requested rental duration.
In one embodiment, the vehicle rental data processing device based on the block chain further comprises a vehicle rental request processing module, and the vehicle rental request processing module is used for receiving a vehicle rental request sent by the user terminal, determining the rental vehicle, and feeding back unlocking verification information of the rental vehicle to the user terminal. The rental message receiving module 802 is further configured to receive a first rental message reported by the rental vehicle when the verification information that the unlocking of the rental vehicle passes is verified, and a second rental message reported by the rental vehicle when the rental vehicle detects that the user gets off the vehicle and meets a preset vehicle returning condition, and record rental start time carried by the first rental message and rental end time carried by the second rental message.
In one embodiment, the device for processing the rental data of the vehicle based on the block chain further comprises an overtime prompting message feedback module, wherein the overtime prompting message feedback module is used for determining the actual rental duration according to the rental start time and the rental end time, extracting the requested rental duration carried by the rental request of the vehicle, and feeding back an overtime prompting message when the actual rental duration is detected to exceed the prestored requested rental duration.
In one embodiment, the timeout indication message feedback module is further configured to extract a rental duration request corresponding to the vehicle rental request, determine a rental start time corresponding to the first rental message, update the rental duration in real time with the rental start time as a time starting point, and feed back the timeout indication message when the rental duration updated in real time exceeds the rental duration request.
In one embodiment, the vehicle rental data processing apparatus based on the block chain further includes a rental status detecting module for sending a rental status detecting message to the rental vehicle; receiving a rental state detection result fed back by the rental vehicle according to preset frequency data; and when any rental state detection result is that the vehicle is not returned, writing the rental state detection result into the block chain.
In one embodiment, the block chain-based vehicle rental data processing apparatus further comprises a data verification module, wherein the data verification module is configured to receive a data verification request, and obtain rental data corresponding to verification information from the block chain according to the verification information in the data verification request; and respectively verifying the acquired rental data and the rental data carried by the data verification request according to the data content and the recording time, and feeding back a verification result to a sending end of the data verification request.
In one embodiment, the block chain-based vehicle rental data processing apparatus further includes a positioning data verification module, where the positioning data verification module is configured to extract positioning data of the rental vehicle from the rental message, and write the positioning data into the block chain.
According to the vehicle leasing data processing device based on the block chain, when the leasing information reported by the leasing vehicle is received, the server serves as a node in the block chain network, the leasing data in the leasing information is written into the block chain, storage evidence of the leasing data is achieved, when the actual leasing time exceeds the prestored leasing request time, the leasing data corresponding to the leasing vehicle is obtained from the block chain, the leasing time is determined and recorded according to the corresponding block time, the accuracy of recording the leasing time is ensured by using the accurate and credible block time in the block chain, and even if the data recorded in the timing system and the server are in failure, the accurate leasing overtime data can be obtained.
FIG. 9 is a diagram illustrating an internal structure of a computer device in one embodiment. The computer device may be specifically the server 122 in fig. 1. As shown in fig. 9, the computer apparatus includes a processor, a memory, a network interface, an input device, and a display screen connected through a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may also store a computer program that, when executed by the processor, causes the processor to implement a block chain-based vehicle rental data processing method. The internal memory may also store a computer program that, when executed by the processor, causes the processor to perform a method for processing rental car data based on a blockchain. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 9 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, the block chain-based vehicle rental data processing apparatus provided by the present application may be implemented in the form of a computer program that is executable on a computer device as shown in fig. 9. The memory of the computer device may store various program modules constituting the block chain-based vehicle rental data processing apparatus, such as rental message receiving module 802, rental message writing module 804, rental data searching module 806, rental duration determining module 808, and timeout data obtaining module 810 shown in fig. 8. The computer program constituted by the respective program modules causes the processor to execute the steps in the block chain based vehicle rental data processing method of the respective embodiments of the present application described in the present specification.
For example, the computer device shown in fig. 9 can execute receiving the rental message reported by the rental car through the rental message receiving module 802 in the vehicle rental data processing apparatus based on the block chain as shown in fig. 8. The computer device can write the rental data corresponding to the rental message into the blockchain through the rental message writing module 804. The computer device can search the block chain for rental data corresponding to the rental vehicle by the rental data searching module 806 when the actual rental duration is detected to exceed the pre-stored rental duration requested. The computer device can execute the step of obtaining the block time corresponding to the rental data through the rental duration determining module 808, and determine the recorded rental duration according to the block time. The computer device can obtain the rental timeout data by the timeout data obtaining module 810 according to the time difference between the recorded rental duration and the requested rental duration.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the above block chain based vehicle rental data processing method. Here, the steps of the block chain-based vehicle rental data processing method may be steps in the block chain-based vehicle rental data processing methods of the respective embodiments described above.
In one embodiment, a computer-readable storage medium is provided, which stores a computer program that, when executed by a processor, causes the processor to perform the steps of the above block chain-based vehicle rental data processing method. Here, the steps of the block chain-based vehicle rental data processing method may be steps in the block chain-based vehicle rental data processing methods of the respective embodiments described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, and the program can be stored in a non-volatile computer readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media leased in the embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A vehicle rental data processing method based on a block chain comprises the following steps:
receiving a rental message reported by a rental vehicle;
writing the leasing data corresponding to the leasing message into a block chain;
when the fact that the actual leasing duration exceeds the prestored leasing duration request is detected, leasing data corresponding to the leasing vehicle is searched from the block chain;
acquiring block time corresponding to the leasing data, and determining and recording the leasing duration according to the block time;
and obtaining rental timeout data according to the time difference between the recorded rental duration and the requested rental duration.
2. The method of claim 1, wherein before the receiving the rental message reported by the rental car, the method further comprises:
receiving a vehicle leasing request sent by a user terminal, determining a leased vehicle, and feeding back unlocking verification information of the leased vehicle to the user terminal;
the receiving of the rental message reported by the rental car includes:
receiving a first rental message reported by the rental vehicle when the unlocking verification information of the rental vehicle passes verification and a second rental message reported by the rental vehicle when the rental vehicle detects that the user gets off and meets a preset returning condition;
and recording the lease starting time carried by the first lease message and the lease ending time carried by the second lease message.
3. The method of claim 2, wherein after receiving the rental message reported by the rental car, the method further comprises:
determining the actual lease duration according to the lease starting time and the lease ending time;
extracting the lease request duration carried by the vehicle lease request;
when the actual lease duration is detected to exceed the prestored request lease duration, the method further comprises the following steps:
and feeding back a timeout prompting message.
4. The method of claim 2, further comprising, after receiving a first rental message reported by the rental vehicle upon verifying that the vehicle unlock verification information passes:
extracting a lease request duration corresponding to the vehicle lease request, and determining lease starting time corresponding to the first lease message;
updating the lease duration in real time by taking the lease starting time as a time starting point;
and feeding back an overtime prompt message when the real-time updated lease duration exceeds the lease duration request.
5. The method of claim 4, wherein after feeding back the timeout indication message when the rental duration of the real-time update exceeds the rental duration request, further comprising:
sending a rental status detection message to the rental car;
receiving a rental state detection result fed back by the rental vehicle according to preset frequency data;
and when any rental state detection result is that the vehicle is not returned, writing the rental state detection result into the block chain.
6. The method of claim 1, wherein after obtaining rental timeout data based on the difference between the recorded rental duration and the requested rental duration, further comprising:
receiving a data verification request, and acquiring lease data corresponding to verification information from the block chain according to the verification information in the data verification request;
and respectively verifying the acquired rental data and the rental data carried by the data verification request according to data content and recording time, and feeding back a verification result to a sending end of the data verification request.
7. The method of claim 1, wherein after receiving the rental message reported by the rental car, the method further comprises:
extracting positioning data of the rental vehicle from the rental message;
writing the positioning data to the block chain.
8. A block chain-based vehicle rental data processing apparatus, comprising:
the rental message receiving module is used for receiving the rental message reported by the rental vehicle;
the lease message writing module is used for writing lease data corresponding to the lease message into the block chain;
the leasing data searching module is used for searching leasing data corresponding to the leasing vehicle from the block chain when the fact that the actual leasing duration exceeds the prestored leasing request duration is detected;
the lease duration determining module is used for acquiring the block time corresponding to the lease data and determining and recording the lease duration according to the block time;
and the overtime data obtaining module is used for obtaining the rental overtime data according to the time difference between the recorded rental time and the requested rental time.
9. A computer-readable storage medium, storing a computer program which, when executed by a processor, causes the processor to carry out the steps of the method according to any one of claims 1 to 7.
10. A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the method according to any one of claims 1 to 7.
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