CN109190402A - A kind of casualty data wiring method and device, equipment, storage medium - Google Patents
A kind of casualty data wiring method and device, equipment, storage medium Download PDFInfo
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- CN109190402A CN109190402A CN201811070716.3A CN201811070716A CN109190402A CN 109190402 A CN109190402 A CN 109190402A CN 201811070716 A CN201811070716 A CN 201811070716A CN 109190402 A CN109190402 A CN 109190402A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
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Abstract
The embodiment of the present application discloses a kind of casualty data wiring method, which comprises determines that casualty data, the casualty data characterize accident situation when accident occurs for the first vehicle；Verify the authenticity of the casualty data；When determining that the casualty data is true casualty data, by casualty data storage into block chain network.In addition, the embodiment of the present application also discloses a kind of casualty data writing station, equipment and storage medium.
Description
Technical field
The invention relates to field of computer technology, a kind of casualty data wiring method and dress are related to, but are not limited to
It sets, equipment, storage medium.
Background technique
Currently, the generation of motor-vehicle accident is high.When there is motor-vehicle accident, process flow includes: the 1, inspection of the scene of a crime
Stage: after relevant departments are connected to instruction, quickly rushing towards scene, and quickly disposition scene, carries out the inspection of the scene of a crime, the inspection of the scene of a crime includes
On-site visit, a series of activities such as photography, chart, measure, investigating on the spot；2, the investigation phase finds out brass tacks and the collection of accident
Sufficient evidence；3, confirmation of responsibility the confirmation of responsibility stage: is made according to the evidence of collection in accordance with the law.Wherein, in accident responsibility identification
In, the importance of evidence is self-evident.The acquisition of evidence is more adopted dependent on equipment such as artificial acquisition and automobile data recorders
The video of collection.During realizing the application, at least there are the following problems in the prior art for inventor's discovery.
With the raising of technology, the reduction of the technical thresholds such as video clipping, it is to be caused to demonstrate,prove by the possibility of editing that video, which exists,
According to there is a possibility that being tampered, to influence the effect of evidence.
Summary of the invention
In view of this, the embodiment of the present application is to solve the problems, such as present in the relevant technologies at least one and provide a kind of accident
Method for writing data and device, equipment, storage medium verify the authenticity of casualty data when accident occurs for vehicle, will be true
Casualty data be written block chain, to reduce a possibility that casualty data is tampered.
The technical solution of the embodiment of the present application is achieved in that
In a first aspect, the embodiment of the present application provides a kind of casualty data wiring method, which comprises
Determine that casualty data, the casualty data characterize accident situation when accident occurs for the first vehicle；Determine the thing
Therefore the authenticity of data；When determining that the casualty data is true casualty data, by casualty data storage to block chain
In network.
Second aspect, the embodiment of the present application provide a kind of casualty data writing station, and described device includes: the first determining mould
Block, the second determining module and writing module；Wherein:
First determining module, for determining casualty data, when accident occurs for the first vehicle of the casualty data characterization
Accident situation；
Second determining module, for determining the authenticity of the casualty data；
The write module deposits the casualty data when for determining that the casualty data is true casualty data
It stores up in block chain network.
The third aspect, the embodiment of the present application provide a kind of computer equipment, including memory, processor and are stored in storage
On device and the computer program that can run on a processor, the processor realize above-mentioned accident when executing the computer program
Step in method for writing data.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, are stored thereon with computer program,
The computer program realizes the step in above-mentioned casualty data wiring method when being executed by processor.
In the embodiment of the present application, a kind of casualty data wiring method is provided, when accident occurs for vehicle, determines accident number
According to, and the authenticity of casualty data is verified, the address of the block chain of true casualty data is written in block chain.In this way, logical
It crosses and block chain is written into casualty data, casualty data is stored by block chain, reduce the possibility that casualty data is tampered
Property, it is ensured that the integrality correctness of the data as evidence.
Detailed description of the invention
Fig. 1 is the embodiment of the present application network architecture schematic diagram；
Fig. 2 is the implementation process schematic diagram of casualty data wiring method provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram one of casualty data writing system provided by the embodiments of the present application；
Fig. 4 is the function structure schematic diagram of the embodiment of the present application block chain network；
Fig. 5 is the institutional framework schematic diagram of the embodiment of the present application block chain network；
Fig. 6 is the Structure and Process schematic diagram one of casualty data writing station provided by the embodiments of the present application；
Fig. 7 is the Structure and Process schematic diagram two of casualty data writing station provided by the embodiments of the present application；
Fig. 8 A is the composed structure schematic diagram of determining module provided by the embodiments of the present application；
Fig. 8 B is the composed structure schematic diagram of authentication module provided by the embodiments of the present application；
Fig. 9 is a kind of hardware entities schematic diagram of the embodiment of the present application computer equipment.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the specific technical solution of invention is described in further detail.Following embodiment does not have to for illustrating the application
To limit scope of the present application.
The application in order to better understand, before the embodiment of the present application is further elaborated, to the application reality
It applies noun involved in example and term is illustrated, noun involved in the embodiment of the present application and term are suitable for following solution
It releases.
1) block chain, a string by verifying block, when each of block be all connected with upper one, one is connected directly to most
First block (wound generation block).One block includes the set traded in a period of time, it can be labeled timestamp and before
The unique tag (such as digital finger-print) of one block, effective block, can quilts after the common recognition of block chain network interior joint
It is appended to the end for the block chain that node is stored.
It may be noted that block chain described herein shall be understood in a broad sense, such as it can be various encryption digital cash
Block chain is also possible to various publicly-owned chains, privately owned chain, alliance's chain or license chain.
2) block chain network, also referred to as block catenary system, the network based on point-to-point (P2P) agreement composition between node,
Node, which has, reaches an agreement to the transaction for being submitted to block chain network according to common recognition algorithm, and stores to the block respectively safeguarded
The function of chain.
3) it trades (Transaction), is equal to computerese " affairs ", including any type of recordable number
According to, such as casualty data described below, not singly refer to the transaction in commercial environment, in view of sanctified by usage in block chain technology
Ground has used " transaction " this term, and the embodiment of the present application has followed this habit.
Fig. 1 is the composed structure schematic diagram of the embodiment of the present application network architecture, as shown in Figure 1, the network architecture includes vehicle
Equipment 11-1N and service node 30 are carried, is interacted between mobile unit 11-1N and service node 30 by network 40.It is vehicle-mounted
Equipment 11-1N is respectively placed on corresponding vehicle 21-2N during realization, with the position respectively to vehicle 21-2N, speed
The information such as degree, ambient enviroment are acquired, and obtain the vehicle data of each vehicle.When accident occurs for vehicle 21, mobile unit 11
Accident notice is sent to service node 30, and carries casualty data in accident notice, wherein the casualty data characterization first
Accident situation when accident occurs for vehicle.When service node 30 receives the casualty data of accident notice carrying, by received thing
Therefore the corresponding block chain of data write-in casualty data.
The vehicle data of the corresponding vehicle 21-2N of itself acquisition can also be uploaded to service in real time by mobile unit 11-1N
Node 30, the vehicle data for the vehicle 21-2N that 30 real-time reception mobile unit 11-1N of service node is uploaded.When vehicle 21 occurs
When accident, mobile unit 11 sends accident notice to service node 30.After service node 30 receives accident notice, according to accident
The casualty data for notifying determining vehicle 21, by the corresponding block chain of casualty data write-in casualty data, wherein the accident of vehicle 21
Data characterization is accident situation when accident occurs for vehicle 21.
Service node 30 in Fig. 1 can be located in public letter system, may include block chain network, block link network in public letter system
Network may include a plurality of block chain, and every block chain is for being written different types of business datum, wherein casualty data belongs to wherein
A kind of business datum.It is when i.e. service node receives casualty data, the casualty data received write-in casualty data is corresponding
In block chain network.
Application scenarios schematic diagram as shown in connection with fig. 1, the present embodiment propose a kind of casualty data wiring method, can reduce
A possibility that casualty data is tampered.
The present embodiment provides a kind of casualty data wiring method, this method is applied to service node, wherein service node can
For computer equipment, the function that this method is realized can be by the processor caller code in computer equipment come real
Existing, certain program code can be stored in computer storage medium, it is seen then that the computer equipment includes at least processor and deposits
Storage media.
Fig. 2 is a kind of implementation process schematic diagram of casualty data wiring method of the embodiment of the present application, as shown in Fig. 2, should
Method may include steps of:
S201, casualty data is determined；
The casualty data characterizes accident situation when accident occurs for the first vehicle.Wherein, casualty data can be sent out for accident
The ambient enviroment image of vehicle when raw, vehicle periphery object at a distance from vehicle, the information such as relative velocity, orientation, and
The information such as position, speed, acceleration, the direction of vehicle, accident situation when can determine that accident occurs according to casualty data.
Service node can directly be monitored current traffic conditions, obtain monitoring data, that is to say, that service node
The monitoring data in monitoring range can be collected；Service node can also receive the monitoring number that mobile unit acquires from mobile unit
According to；Here, it is data associated with vehicle based on monitoring data collected, monitoring data collected can be known as vehicle
Data.
The vehicle data that service platform is monitored can include: the object and vehicle of the ambient enviroment image of vehicle, vehicle periphery
The information such as distance, relative velocity, orientation and vehicle the information such as position, speed, acceleration, direction.
Mobile unit on vehicle acquires the information of corresponding vehicle in real time, obtains the vehicle data of corresponding vehicle.Wherein, vehicle
Carrying equipment may include the information collecting devices such as camera, trailer-mounted radar, positioning device.Wherein, camera can acquire vehicle
Ambient enviroment image, trailer-mounted radar can acquire the object of vehicle periphery at a distance from vehicle, the information such as relative velocity, orientation,
Positioning device can acquire the information such as position, speed, acceleration, the direction of vehicle.Therefore, mobile unit vehicle number collected
According to the ambient enviroment image of can include: vehicle, vehicle periphery object at a distance from vehicle, the information such as relative velocity, orientation, with
And the information such as position, speed, acceleration, direction of vehicle.It should be noted that mobile unit vehicle data collected can wrap
Include all information collecting devices information collected.Vehicle data in the embodiment of the present application is data related with vehicle, right
The concrete type and acquisition equipment of vehicle data are without any limitation.
After the mobile unit of vehicle collects vehicle data, vehicle data collected can be uploaded to service section in real time
Point can also be locally stored.Wherein, when mobile unit vehicle data collected is real-time upload service node, service node energy
Enough receive the vehicle data that the mobile unit of multiple vehicles uploads.
In one embodiment, the method also includes: the vehicle data of acquisition is analyzed；Determine the vehicle number
When including accident in, vehicles identifications, the traffic injury time that the first vehicle of accident occurs are determined；Correspondingly, the determination
Casualty data, comprising: according to the vehicles identifications and the traffic injury time of first vehicle, from the vehicle data really
Determine casualty data.
Here, service node monitors traffic conditions in real time, when detecting the generation of accident by the vehicle data monitored,
Traffic injury time and the accident vehicle i.e. vehicles identifications of the first vehicle are recorded, and according to the vehicles identifications and accident of the first vehicle
Time of origin determines the corresponding vehicle data of vehicles identifications of the accident generation vehicle within the scope of traffic injury time, obtains
Casualty data.
In one embodiment, the method also includes: receive the first accident notice, according to first accident notice determine
The vehicles identifications and traffic injury time of first vehicle of generation accident；It determines from the received vehicle data of mobile unit institute；Phase
Ying Di, the determining casualty data, comprising: according to the vehicles identifications and traffic injury time of first vehicle, from the vehicle
The casualty data is determined in data.
Here, vehicle data collected is uploaded to service node by mobile unit in real time, and accident occurs detecting
When, the first accident notice is sent to service node, carries the vehicles identifications that the first vehicle of accident occurs in the first accident notice
And traffic injury time.After service node receives the first accident notice, according to the first vehicle of the first accident notice carrying
Vehicles identifications and traffic injury time determine casualty data from the received vehicle data of institute.
In one embodiment, the vehicles identifications and traffic injury time according to first vehicle, from the vehicle
The casualty data is determined in data, comprising: according to the vehicles identifications of first vehicle, determine first vehicles identifications pair
The vehicle data answered；According to the traffic injury time, the casualty data is determined from the vehicle data of first vehicle；
The casualty data is the first vehicle data within the scope of time of casualty, the time of casualty range and the traffic injury time
Time interval be less than setting time threshold value.
Service node can monitor the vehicle data of multiple vehicles simultaneously, determine the vehicle that the first vehicle of accident occurs
After mark, the vehicle data of the first vehicle is determined from the vehicle data monitored according to the vehicles identifications of the first vehicle, such as:
Service node monitors the vehicle data of vehicle A, vehicle B, vehicle C and vehicle D, respectively vehicle data 1, vehicle data 2, vehicle
Data 3 and vehicle data 4, when detecting the vehicles identifications that accident occurs is vehicle A, then according to traffic injury time from vehicle
Casualty data is determined in data 1.
Service node can receive the vehicle data of multiple vehicles simultaneously, determine the vehicle that the first vehicle of accident occurs
After mark, according to the vehicles identifications of the first vehicle from the vehicle data of the first vehicle is determined in received vehicle data, such as:
Service node receives the vehicle data of vehicle A, vehicle B, vehicle C and vehicle D, respectively vehicle data 1, vehicle data 2, vehicle
Data 3 and vehicle data 4, when the vehicles identifications of the first vehicle carried in received first accident notice are vehicle A, then basis
Traffic injury time determines casualty data from vehicle data 1.
According to the traffic injury time, when determining the casualty data from the vehicle data of first vehicle, root
Time of casualty range is determined according to the time threshold of setting, and determines that the vehicle data within the scope of time of casualty is casualty data.
For example, when the traffic injury time of the first vehicle be 17 points 53 minutes, setting time threshold value is 10 minutes, then time of casualty range
Are as follows: 17 points 43 minutes to 18: 02/, determining casualty data be 17 points of 43 minutes to 18: 02/vehicle datas, packet
Include the ambient image in 17 points of 43 minutes to 18 points 03 minute this periods around the first vehicle, the object of surrounding and the first vehicle
Distance, the information such as position, speed, acceleration, direction of relative velocity, orientation and the first vehicle.Wherein, the time of setting
The size of threshold value can be configured according to actual needs.
In one embodiment, the method also includes: receive the second accident notice, second accident notice carries
State the vehicles identifications, traffic injury time and the casualty data of the first vehicle；Correspondingly, the determining casualty data, comprising:
Second accident notice is parsed, the casualty data that second accident notice carries is obtained.
When accident occurs for the first vehicle, the mobile unit on the first vehicle detects that accident occurs for the first vehicle, generates
Accident notice is sent to service node by accident notice, and service node receives accident notice, wherein is according to accident notice
Accident notice is divided into following two situation by no carrying casualty data:
Situation one, the first accident notice for not carrying casualty data；
When the mobile unit of first vehicle detects that accident occurs for vehicle, the vehicles identifications of the first vehicle and accident are occurred
Time carries in the first accident notice, is sent to service node.After service node receives the first accident notice, according to first
Accident notice determines casualty data, wherein service node can parse the first accident notice, obtain the first vehicle i.e. accident
The vehicles identifications and traffic injury time of vehicle, and accident number is determined according to the vehicles identifications of the first vehicle and traffic injury time
According to.
Situation two, the second accident notice for carrying casualty data；
It, will be in a period of time before and after traffic injury time when the mobile unit of first vehicle detects that accident occurs for vehicle
Vehicle data carries in the second accident notice as casualty data, is sent to service node.Second accident notice also carries
The vehicles identifications and traffic injury time of first vehicle.After service node receives the second accident notice, to the second accident notice
It is parsed, obtains the first vehicle i.e. vehicles identifications of accident vehicle, traffic injury time and casualty data.
In the embodiment of the present application, when service node receives the vehicle data of multiple vehicles including the first vehicle
When, settable term of validity, service node is stored and is monitored to received vehicle data, is more than effective by the time of storage
The vehicle data in time limit is deleted.
S202, the authenticity for determining the casualty data；
After service node determines casualty data, the authenticity of casualty data is verified, when being verified, determines accident number
According to for true casualty data；When verifying does not pass through, determine that casualty data is the casualty data being tampered.Wherein, thing is verified
Therefore the verification mode of the authenticity of data can include: whether the duration for determining casualty data is time of casualty range: such as: when setting
Fixed time threshold is 10 minutes, then time of casualty range is 20 minutes, and whether the duration for detecting casualty data is 20 minutes, when
It is truthful data when being 20 minutes, characterizes casualty data not by editing；Otherwise, to be tampered data, characterization casualty data is cut
Volume.In the embodiment of the present application, to verifying casualty data authenticity verification mode without any restriction.
In one embodiment, the authenticity of the verifying casualty data, comprising: obtain the position of first vehicle
Information；The second vehicle is determined according to the positional information, and the distance between second vehicle and first vehicle are being set
Distance range in；The authenticity of the casualty data, second vehicle are verified according to the vehicle data of second vehicle
Vehicle data included by object include first vehicle.
Service node determines the location information of the first vehicle according to casualty data, and is looked into according to the location information of the first vehicle
Look for the second vehicle when accident occurs at a distance from the first vehicle in the distance range of setting.After determining the second vehicle, root
Data acquisition request is sent to the mobile unit of the second vehicle according to the vehicles identifications of the second vehicle, with to the second vehicle request the
The vehicle data of two vehicles receives the vehicle data of the second vehicle of the mobile unit return of the second vehicle.
After service node determines the vehicle data of the second vehicle, by the vehicle of the casualty data of the first vehicle and the second vehicle
Data are compared, and verify the authenticity of the casualty data of the first vehicle.It, can be according to the time to the first vehicle in the embodiment of the present application
Casualty data and the vehicle data of the second vehicle be compared, can also be according to the casualty data and the second vehicle to the first vehicle
The information of same type is compared in data, and the application is to specific alignments without any restriction.
In one embodiment, the vehicle data according to second vehicle verifies the authenticity of the casualty data,
Include: that the vehicle data of the casualty data of synchronization and second vehicle is compared, obtains comparison result；Root
The authenticity of the casualty data is determined according to the comparison result.Such as: the first vehicle is identical as the position of the second vehicle, then really
Fixed second vehicle was another vehicle with the first car accident, when 17 points that casualty data is the first vehicle 02 43 minutes to 18:
Between vehicle data, then choose 17 points of 43 minutes to 18: 02/vehicle datas of the second vehicle, by 17: 45/
Between two vehicle datas be compared, determine both relative distance and relative velocity it is whether identical, when not identical, then
Determine there is a possibility that being tampered, the accident of the first vehicle in the casualty data of the first vehicle or the casualty data of the second vehicle
Data are not truthful datas, for the data being tampered.
When the casualty data of the first vehicle is is not truthful data, it may be determined that the casualty data of the first vehicle is suspicious number
According to, then casualty data of the vehicle data of third vehicle to the first vehicle be compared, verify the casualty data of the first vehicle
Authenticity, until determining that the casualty data of the first vehicle is truthful data or is tampered data.
S203, when determining that the casualty data is true casualty data, by casualty data storage to block link network
In network；
After service node determines casualty data, storage address of the casualty data in block chain network, i.e. accident number are determined
According to corresponding block chain address.Wherein it is determined that the corresponding block chain address of casualty data, it may include: according to the address column of setting
Table determines the corresponding block chain address of casualty data, wherein the data of different service types correspond to different block chain addresses, than
Such as: the corresponding block chain address of casualty data is address A, the corresponding block chain address of order data is address B, wherein accident number
According to the data for order data being different service types.
Here, it can directly be configured in service node in service node in the corresponding block chain address of configuration casualty data
The corresponding address of Software Development Kit (Software Development Kit, SDK) be block chain address, by SDK according to
Casualty data is written in block chain network for the address of configuration.
In one embodiment, described to store the casualty data into block chain network, comprising: according to the vehicle mark
Know, the traffic injury time and the casualty data generate transaction data；The block link network is written into the transaction data
In the corresponding block file of the current block of network.Here, casualty data is converted into setting format, the accident number of format will be set
According to the block in, vehicles identifications and the corresponding block chain of traffic injury time write-in block chain address.One block is writable more
The casualty data of a vehicle, the also casualty data of a writable vehicle.Wherein, setting format can be Java description language object
Numbered musical notation (JavaScript Object Notation, JSON).To in casualty data write-in block chain in the embodiment of the present application
Format is without limiting.
It should be noted that the service node and the service node where block chain network of reception accident notice can be same
A service node can also be different service node.
When the transaction data of the first vehicle is stored in the block of block chain in block chain network, it may include two parts number
According to: a part is mark data key, and a part is value, wherein vehicles identifications and accident hair in key including the first vehicle
The raw time, value is casualty data.Wherein, traffic injury time is the timestamp of presently written transaction data.
Block in block chain constantly generates new block with the increase of the transaction data of storage.In current area
When the transaction data of the first vehicle being written in block, block is committed in block storing data library, by the number of deals of the first vehicle
According in the block file in write-in block storing data library.One block file may include multiple blocks.Transaction data is written
After block file, storage state data, storage state are generated according to the block for the position and write-in being written in block file
Data include: length information, the current block file of position in block file of the corresponding block ID of key, block, block
Size etc. indicates the information of the storage location in block file of casualty data, to position the accident by storage state data
Position of the corresponding block of data in block file.
In one embodiment, the method also includes: by the transaction data write state storage region；When receiving needle
When to the inquiry requests of the vehicles identifications, according to the inquiry request from the status storage area domain lookup described in accident number
According to.
State storage area can be slip condition database, after the block file of casualty data write area, by vehicles identifications and accident
Data are simultaneously in write state database, when receiving the inquiry request inquired to the casualty data of the first vehicle,
The casualty data for directly inquiring the first vehicle directly from slip condition database according to the vehicles identifications of the first vehicle, does not spend reading
Block file improves the reading speed of casualty data.
When service node receives inquiry request, inquiry request can be parsed, obtain the root of inquiry request carrying
Certificate determines that the inquiry request is effective inquiry request, reading is inquired when the root certificate of carrying is the root certificate of authorization
Casualty data.
In one embodiment, when determining that the transaction data of the state storage area is lost, pass through the block chain
The transaction data being written in corresponding block file restores the transaction data of the state storage area.
When the transaction data of the first vehicle in the slip condition database for take node is lost, at this point, can not usurp based on block chain
Changing characteristic, the transaction data in block file is not modified, at this point, from the block file of service node, to status number
Restored according to the transaction data in library.
The characteristic of decentralization based on block chain is distributed in the block chain of different service nodes while storing identical
Data can be according to the thing stored in another service node B when the casualty data of a service node A is lost or modified
Therefore data restore the casualty data of service node A.Here, the service node in block chain network can be known as section of knowing together
Point,
It is to be appreciated that being tampered user's malice access block chain in order to prevent, block is written into the casualty data of forgery
Chain after verifying successfully, just allows according to the block so also needing to verify the write-in permission of the casualty data
The block chain is written in the casualty data by the address of chain.
In the embodiment of the present application, a kind of casualty data wiring method is provided, when accident is occurred for vehicle, verifies accident
The address of the block chain of true casualty data is written in block chain the authenticity of data.In this way, by by casualty data
Block chain is written, casualty data is stored by block chain, reduces a possibility that casualty data is tampered, it is ensured that as card
According to data integrality correctness.In this way, verifying the true of casualty data before casualty data storage to block chain network
Property, block chain is written into true casualty data, true casualty data is stored by block chain, reduces casualty data
A possibility that being tampered, it is ensured that the integrality correctness of the data as evidence, and the storage of casualty data have can be traced, look into
Card, it is multi-party between unification and transparent.
With data writing systems shown in Fig. 3 to method for writing data provided by the embodiments of the present application in the embodiment of the present application
It is further described.
As shown in figure 3, it includes mobile unit 301, public letter cloud 302 and public letter on vehicle that data writing systems are multiple
Block chain 303；Wherein, public letter block chain is a part of block chain network, and public affairs letter cloud and public letter block chain are located at service node
On.Here, service node may include multiple service child nodes, and public affairs letter cloud and public letter block chain are located at different service sub- sections
Point.
Mobile unit 301 is for acquiring vehicle data.
Mobile unit 301 can be but be not limited to following several acquisition equipment:
(1), video capture device, such as camera provide intuitive image data acquiring.
(2), trailer-mounted radar collects the data such as relative distance, relative velocity, the orientation of testee.
(3), global positioning system (Global Position System, GPS), for positioning.
The 30 seconds vehicle datas in front and back can occur for accident for the casualty data that mobile unit 301 is uploaded to public letter cloud.Wherein,
Casualty data can be but be not limited to the information of following several types:
(1), this car speed, this truck position, lateral and longitudinal acceleration.
(2), the information such as the speed, orientation, relative distance of opponent vehicle, relative velocity.
(3), the 30 seconds video informations in accident front and back.
Wherein, all there are mobile units 301 on accident automobile A, accident automobile B, attachment automobile C and attachment automobile D.
Public affairs letter cloud platform 302, the cloud platform of third party's public credibility of the support data storage interconnected in real time with mobile unit,
For providing storage, the authenticity verification etc. of acquisition data.
Public affairs letter block chain 303, save casualty data third party's public affairs letter block chain, using block chain can not tamper,
Guarantee effect of the casualty data as evidence.Include the blocks such as wound generation block, block 1, block 2 in public affairs letter block chain 303, works as needs
When increasing block, new block is created on the basis of previous block.
The wiring method of casualty data provided by the embodiments of the present application includes:
The vehicle data of acquisition is transferred to public letter cloud platform 302 by network by S1, mobile unit 301 in real time.Public affairs letter
Cloud platform 302 carries out the preservation of certain validity period to vehicle data.
S2, when there is accident generation, mobile unit 301 flat to public affairs letter 302 cloud of cloud platform can issue accident notice message.It is public
Letter cloud platform 302 saves the vehicle data of (such as 30 second time of front and back) in certain time before and after traffic injury time,
And using traffic injury time as timestamp, timestamp is added, and carry out permanent storage.
S3, public letter cloud platform 302 search for vehicle nearby by location informations such as GPS, and according to the vehicle number of attachment vehicle
It is compared according to the vehicle data with accident vehicle, the authenticity of the casualty data of vehicle occurs for verifying accident, or can be according to thing
Ground camera nearby is sent out, casualty data is compared, evidence is verified.
The incoming public letter block chain 303 of the true casualty data that S4, public letter cloud platform 302 pass through verification, utilizes block
Chain can not tamper, provide permanent preservation to casualty data.Guarantee effect of the casualty data as evidence.
In the embodiment of the present application, the cloud platform believed by third party's public affairs carries out casualty data and is collected and verifies, and utilizes
Block chain can not tamper the casualty data that can be used as evidence is saved, perpetuation of testimony can not be distorted artificially.
Block chain has the characteristic that can not distort, solves a possibility that casualty data is tampered, it is ensured that casualty data it is complete
Whole property correctness guarantees and improves the effect of evidence if be tampered to find in time.Further, mobile unit is acquired
Casualty data stored, can guarantee the fairness of accident treatment by the maximum reduction scene of the accident of casualty data.
Illustrate the illustrative function structure for realizing the block chain network of the embodiment of the present application below, referring to fig. 4, Fig. 4 is
The function structure schematic diagram of block chain network provided by the embodiments of the present application, including application layer 401, common recognition layer 402, network layer
403, data Layer 404 and resource layer 405, are illustrated separately below.
Resource layer 405 encapsulates various available computing resources and storage resource, such as computer, server/cluster and cloud
In computing resource and storage resource, be abstracted and provide unified interface to data Layer 404 with shield realize resource layer 405
Bottom hardware otherness.
Computing resource includes various forms of processors, such as central processing unit (CPU), application specific integrated circuit
(ASIC, Application Specific Integrated Circuit), specific integrated circuit and field programmable gate array
The various forms of processors of (FPGA, Field-Programmable Gate Array).
Storage resource includes various types of storage mediums such as various volatile memory and nonvolatile memory.Its
In, nonvolatile memory can be read-only memory (ROM, Read Only Memory), programmable read only memory
(PROM, Programmable Read-Only Memory).Volatile memory can be random access memory (RAM,
Random Access Memory), it is used as External Cache.
The computing resource and storage resource of resource layer 405 can be mapped as various types of nodes in block chain network,
That realizes that the storage medium of the embodiment of the present application stores the block chain network dispositions method for realizing the embodiment of the present application can
It executes instruction, once the executable instruction for being deployed to node is performed, realizes that the underlying resource of node is (such as various types of
Processor) will realize block chain network in various types of nodes deployment and execute various types node function, thus
Realize the account book for the transaction being directed in business procedure and the various applications based on account book.
As an example, executable instruction can use software (including system program and application program), software module, foot
The form of sheet, plug-in unit etc., by any form of programming language (including compiling or interpretative code, or declaratively or Process Character language
Speech) it writes, and it can be disposed by arbitrary form, including be deployed as independent program or be deployed as module, component
Or it is suitble to the other units used in a computing environment.
Data Layer 404 encapsulates the various data structures for realizing account book, including the account book data realized with file system, with
The account book state and existence proof that database form is realized.
Network layer 403 encapsulate point-to-point (P2P) network protocol, data dissemination mechanism and data authentication mechanism, access and
Authentication mechanism and business division identity.P2P network protocol realizes the communication between block chain network interior joint, data dissemination mechanism
It ensure that propagation of the transaction/transaction results in block chain network, data authentication mechanism is used to (such as count based on encryption method
Word certificate, digital signature, public private key-pair) realize the reliability that data are transmitted between node；Access and authentication mechanism are for being based on
Business division identity is managed the access and certification of terminal.
Common recognition layer 402 encapsulates the mechanism of the transaction results compliance propagated in block chain, including POS, POW and
DPOS etc. supports the pluggable of common recognition mechanism.
Application layer 401 encapsulates the various businesses that block chain network can be realized, including settlement of transactions, traces to the source and deposit card
Deng.
Illustrate the illustrative organizational structure for realizing the block chain network of the embodiment of the present application below, is referring to Fig. 5, Fig. 5
The organizational structure schematic diagram of block chain network provided by the embodiments of the present application, including at least two common recognition nodes 510, as showing
, common recognition node 510-1 and common recognition node 510-2 are illustrated only in Fig. 5；The node 510-1 and common recognition node 510-2 that knows together is portion
Administration is in different positions.The inquiry request that terminal 500 of the response of block chain network 500 from business division is submitted, and in terminal
500 user interface 510 shows various query results.
Below by taking node of knowing together as an example, illustrate the exemplary knot for realizing the block chain network interior joint of the embodiment of the present application
Structure, it is possible to understand that ground, the hardware configurations of other nodes in block chain network 100 can according to the hardware configuration of common recognition node and
Implement.
In the embodiment of the present application, the method that a common recognition node is written in casualty data is described further.
One block (block) includes multiple transaction.One transaction is the write-in or modification of a casualty data.One friendship
It easily include key and value.Key may include the vehicles identifications and traffic injury time that unique identification is carried out to vehicle.Value is
The casualty data of tissue in the form of JSON, that is, the casualty data being written.
The storage of casualty data is related to two storage regions, and being respectively as follows: slip condition database stateDB, (corresponding states is deposited
Storage area domain) and block storage blockstore (i.e. block storing data library).
StateDB can be levelDB, provide opening, closing, inquiry and the write-in functions of stateDB number.Storage verification is logical
The newest key and value of the transaction in block crossed.What is saved is the latest value of all key.
Blockstore includes the storage state information and block data two parts data of block, the storage shape of block
State information and block data are stored separately itself, and the storage state information of block is stored in slip condition database, block
Data itself are then stored in the referred to as text file of block file blockfile.
Blockfile is the file for storing block data.Blockfile filename can using blockfile as prefix, with
Six bit digitals are suffix, are successively increased, such as blockfile_000000, blockfile_000001 ....And blockfile is literary
Part saves actual block data.One blockfile can store the data of one or more block, and a block can be deposited
Store up the casualty data of one or many write-ins.
Slip condition database can also be levelDB, for storing the storage state information of current block data, storage state
Information refers mainly to the position of block, length information, current blockfile file size, index information etc., mainly to fixed
Position of the position block in blockfile.
The storage of casualty data may also refer to historical data base HistoryDB, and HistoryDB is a complementary data
Library solves the problems, such as historical query.A Macintosh is formed with chain code ID+key+block sequence number+transaction id combining form.
Wherein, different chain code ID corresponds to the data of different types of service, and a block chain can correspond to multiple chain code ID；Block sequence
Row number characterizes a block, and transaction id characterizes the write-in of a casualty data.The combining form of the Macintosh of HistoryDB can be with
It is designed for the demand of own service.
The information of " the effective transaction id of block ID+ " of all automobile logos can be inquired by HistoryDB.And have
Block ID and transaction id can go out all information of former transaction by blockstore and blockfile locating query, such as change
Dynamic time, change value, if be delete operation etc..
In the embodiment of the present application, after the block for determining write-in casualty data, block is committed to blockstore, is write
Enter in blockfile, effective transaction data is then committed to stateDB, is finally submitted to HistoryDB account book.
When receiving inquiry request, using the vehicles identifications of automobile and timestamp as key, stateDB is inquired, so that it may
Value information, i.e. casualty data are obtained, does not need directly to go to read blockfile.
Here, blockfile and blockstore main function data query；StateDB and HistoryDB is used for delay machine
Restart the cleaning of rear incomplete data and restores problem.
When delay machine occurs, restore the content of stateDB by the data in blockstore, is obtained from blockstore
Currently have been written into the effective block ID of blockstore.
Based on embodiment above-mentioned, the embodiment of the present application provides a kind of casualty data writing station, which is wrapped
Each unit included by each module and each module included, can be realized by the processor in computer equipment；Certainly
It can be realized by specific logic circuit；In the process of implementation, processor can be central processing unit (CPU), microprocessor
(MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
Fig. 6 is a kind of composed structure schematic diagram of casualty data writing station of the embodiment of the present application, as shown in fig. 6, institute
It states device 60 and comprises determining that module 601, authentication module 602 and writing module 603；Wherein,
Determining module 601, for determining that casualty data, the casualty data characterize accident when accident occurs for the first vehicle
Situation；
Authentication module 602, for verifying the authenticity of the casualty data；
Writing module 603 stores the casualty data when for determining that the casualty data is true casualty data
The corresponding block of the block chain address is written into the casualty data into block chain network.
In one embodiment, as shown in fig. 7, device 60 further include: analysis module 604 is used for: to the vehicle data of acquisition
It is analyzed；When determining in the vehicle data of acquisition including accident, the vehicles identifications and thing that the first vehicle of accident occurs are determined
Therefore time of origin；
Correspondingly, determining module 601, for according to the vehicles identifications of first vehicle and the traffic injury time from
Casualty data is determined in the vehicle data.
In one embodiment, as shown in fig. 7, device 60 further include: the first receiving module 605 is used for: receiving the first accident
Notice determines the vehicles identifications and traffic injury time that the first vehicle of accident occurs according to first accident notice；It determines
From the received vehicle data of mobile unit institute；
Correspondingly, determining module 601, for the vehicles identifications and traffic injury time according to first vehicle, from institute
It states and determines casualty data in vehicle data.
In one embodiment, as shown in Figure 8 A, determining module 601, comprising: first determines that submodule 611 and second determines
Submodule 612；Wherein,
First determines that submodule 611 determines first vehicles identifications for the vehicles identifications according to first vehicle
Corresponding vehicle data；
Second determines submodule 612, is used for according to the traffic injury time, from the vehicle data of first vehicle
Determine the casualty data；The casualty data is the first vehicle data within the scope of time of casualty, the time of casualty range
It is less than setting time threshold value with the time interval of the traffic injury time.
In one embodiment, as shown in fig. 7, device 60 further include: the second receiving module 606 is used for: receiving the second accident
Notice；Second accident notice carries the vehicles identifications, traffic injury time and the casualty data of first vehicle；
Correspondingly, it is logical to obtain second accident for parsing to second accident notice for determining module 601
Know the casualty data of carrying.
In one embodiment, as shown in Figure 8 B, authentication module 602 include: acquisition submodule 621 and compare submodule 622,
Wherein,
Acquisition submodule 621, for obtaining the location information of first vehicle；Second is determined according to the positional information
Vehicle, the distance between second vehicle and first vehicle are in the distance range of setting；
Submodule 622 is compared, the authenticity of the casualty data is verified according to the vehicle data of second vehicle, it is described
Object included by the vehicle data of second vehicle includes first vehicle.
In one embodiment, submodule 622 is compared, is used for:
The vehicle data of the casualty data of synchronization and second vehicle is compared, obtains comparing knot
Fruit；
The authenticity of the casualty data is determined according to the comparison result.
In one embodiment, writing module 603 are used for:
According to the vehicles identifications, the traffic injury time and the casualty data, transaction data is generated；
In the corresponding block file of the current block that the block chain network is written in the transaction data.
In one embodiment, as shown in fig. 7, device 60 further includes, enquiry module 607 is used for:
By the transaction data write state storage region；
When receiving the inquiry request for the vehicles identifications, according to the inquiry request, stored from the state
Casualty data described in regional search.
In one embodiment, as shown in fig. 7, device 60 further includes, recovery module 608 is used for:
When determining that the transaction data of the state storage area is lost, pass through the corresponding block of the block chain network
The transaction data being written in file restores the transaction data of the state storage area.
The description of apparatus above embodiment, be with the description of above method embodiment it is similar, have same embodiment of the method
Similar beneficial effect.For undisclosed technical detail in the application Installation practice, the application embodiment of the method is please referred to
Description and understand.
It should be noted that in the embodiment of the present application, if realizing that above-mentioned data are write in the form of software function module
Enter method, and when sold or used as an independent product, also can store in a computer readable storage medium.Base
In such understanding, part that the technical solution of the embodiment of the present application substantially in other words contributes to the relevant technologies can be with
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that a computer equipment (can be personal computer, server or network equipment etc.) executes each implementation of the application
The all or part of example the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read Only
Memory, ROM), the various media that can store program code such as magnetic or disk.In this way, the embodiment of the present application does not limit
It is combined in any specific hardware and software.
Accordingly, the embodiment of the present application provides a kind of computer equipment, including memory and processor, and the memory is deposited
The computer program that can be run on a processor is contained, the processor is realized in above-described embodiment when executing described program and provided
Method for writing data in step.
Accordingly, the embodiment of the present application provides a kind of computer readable storage medium, is stored thereon with computer program, should
Step in the casualty data wiring method provided in above-described embodiment is provided when computer program is executed by processor.
It need to be noted that: the description of medium stored above and apparatus embodiments, with retouching for above method embodiment
It is similar for stating, and has with embodiment of the method similar beneficial effect.For in the application storage medium and apparatus embodiments not
The technical detail of disclosure please refers to the description of the application embodiment of the method and understands.
It should be noted that Fig. 9 is a kind of hardware entities schematic diagram of the embodiment of the present application computer equipment, such as Fig. 9 institute
Show, the computer equipment 900 includes: a processor 901, at least one communication bus 902, user interface 903, at least one
A external communication interface 904 and memory 905.Wherein, it is logical to be arranged for carrying out the connection between these components for communication bus 902
Letter.Wherein, user interface 903 may include display screen, and external communication interface 904 may include the wireline interface of standard and wireless
Interface.
Memory 905 is configured to store the instruction and application that can be performed by processor 901, can also cache device to be processed
901 and computer equipment in each module it is to be processed or processed data (for example, image data, audio data, voice are logical
Letter data and video communication data), flash memory (FLASH) or random access storage device (Random Access can be passed through
Memory, RAM) it realizes.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic includes at least one embodiment of the application.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.It should be understood that in the various implementations of the application
In example, magnitude of the sequence numbers of the above procedures are not meant that the order of the execution order, and the execution sequence of each process should be with its function
It can be determined with internal logic, the implementation process without coping with the embodiment of the present application constitutes any restriction.Above-mentioned the embodiment of the present application
Serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Mutual coupling or direct-coupling or communication connection is divided to can be through some interfaces, the INDIRECT COUPLING of equipment or unit
Or communication connection, it can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit；Both it can be located in one place, and may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in each embodiment of the application can be fully integrated in one processing unit, it can also
To be each unit individually as a unit, can also be integrated in one unit with two or more units；It is above-mentioned
Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: movable storage device, read-only deposits
The various media that can store program code such as reservoir (Read Only Memory, ROM), magnetic or disk.
If alternatively, the above-mentioned integrated unit of the application is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the application is implemented
The technical solution of example substantially in other words can be embodied in the form of software products the part that the relevant technologies contribute,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
Personal computer, server or network equipment etc.) execute each embodiment the method for the application all or part.
And storage medium above-mentioned includes: various Jie that can store program code such as movable storage device, ROM, magnetic or disk
Matter.
The above, only presently filed embodiment, but the protection scope of the application is not limited thereto, it is any to be familiar with
Those skilled in the art within the technical scope of the present application, can easily think of the change or the replacement, and should all cover
Within the protection scope of the application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.
Claims (13)
1. a kind of casualty data wiring method, which is characterized in that the described method includes:
Determine that casualty data, the casualty data characterize accident situation when accident occurs for the first vehicle；
Verify the authenticity of the casualty data；
When determining that the casualty data is true casualty data, by casualty data storage into block chain network.
2. the method according to claim 1, wherein the method also includes:
The vehicle data of acquisition is analyzed；
When determining in the vehicle data including accident, when determining that the vehicles identifications that the first vehicle of accident occurs, accident occur
Between；
Correspondingly, the determining casualty data, comprising:
According to the vehicles identifications and the traffic injury time of first vehicle, accident number is determined from the vehicle data
According to.
3. the method according to claim 1, wherein the method also includes:
The first accident notice is received, the vehicles identifications and thing that the first vehicle of accident occurs are determined according to first accident notice
Therefore time of origin；
It determines from the received vehicle data of mobile unit institute；
Correspondingly, the determining casualty data, comprising:
According to the vehicles identifications and traffic injury time of first vehicle, casualty data is determined from the vehicle data.
4. according to the method in claim 2 or 3, which is characterized in that the vehicles identifications according to first vehicle and
Traffic injury time determines the casualty data from the vehicle data, comprising:
According to the vehicles identifications of first vehicle, the corresponding vehicle data of first vehicles identifications is determined；
According to the traffic injury time, the casualty data is determined from the vehicle data of first vehicle；The accident
Data are the first vehicle data within the scope of time of casualty, the time of casualty range and between the time of the traffic injury time
Every less than setting time threshold value.
5. the method according to claim 1, wherein the method also includes:
Receive the second accident notice；When second accident notice carries the vehicles identifications of first vehicle, accident occurs
Between and the casualty data；
Correspondingly, the determining casualty data, comprising:
Second accident notice is parsed, the casualty data that second accident notice carries is obtained.
6. the method according to claim 1, wherein the authenticity of the verifying casualty data, comprising:
Obtain the location information of first vehicle；
The second vehicle is determined according to the positional information, and the distance between second vehicle and first vehicle are in setting
In distance range；
The authenticity of the casualty data, the vehicle data of second vehicle are verified according to the vehicle data of second vehicle
Included object includes first vehicle.
7. according to the method described in claim 6, it is characterized in that, described verify institute according to the vehicle data of second vehicle
State the authenticity of casualty data, comprising:
The vehicle data of the casualty data of synchronization and second vehicle is compared, comparison result is obtained；
According to the comparison result, the authenticity of the casualty data is determined.
8. method according to any one of claims 1 to 6, which is characterized in that described by casualty data storage to area
In block chain network, comprising:
According to the vehicles identifications, the traffic injury time and the casualty data, transaction data is generated；
In the corresponding block file of the current block that the block chain network is written in the transaction data.
9. according to the method described in claim 8, it is characterized in that, the method also includes:
By the transaction data write state storage region；
When receiving the inquiry request for the vehicles identifications, according to the inquiry request, from the state storage area
Search the casualty data.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
When determining that the transaction data of the state storage area is lost, pass through the corresponding block file of the block chain network
The transaction data of middle write-in restores the transaction data of the state storage area.
11. a kind of casualty data writing station, which is characterized in that described device includes: the first determining module, the second determining module
And writing module；Wherein,
The determining module, for determining that casualty data, the casualty data characterize accident feelings when accident occurs for the first vehicle
Condition；
The authentication module, for determining the authenticity of the casualty data；
The write module arrives the casualty data storage when for determining that the casualty data is true casualty data
In block chain network.
12. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized described in any one of claims 1 to 10 when executing the computer program
Step in casualty data wiring method.
13. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The step in any one of the claims 1 to 10 casualty data wiring method is realized when processor executes.
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| CN201811070716.3A CN109190402A (en) | 2018-09-13 | 2018-09-13 | A kind of casualty data wiring method and device, equipment, storage medium |
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| CN201811070716.3A CN109190402A (en) | 2018-09-13 | 2018-09-13 | A kind of casualty data wiring method and device, equipment, storage medium |
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