CN112003883A - System for realizing integral accounting by using block chain technology - Google Patents
System for realizing integral accounting by using block chain technology Download PDFInfo
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- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/12—Accounting
- G06Q40/125—Finance or payroll
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
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- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
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Abstract
The invention discloses a system for realizing point accounting by using a block chain technology, which comprises an identity identification module, a node screening module, a bill identification module and an access analysis module; the identity recognition module is used for recognizing the identity of a user logging in the terminal; the bill identification module is used for identifying the uploaded bill voucher; the node screening module selects a block chain access node matched with the login terminal according to a preset rule; the invention utilizes the block chain technology to reduce the false transaction behavior of both transaction parties in the accounting process; calculating the service quality score of the block chain node by acquiring the state parameter value and the load value of the block chain node, and selecting a corresponding block chain service node according to the service quality score; the bill identification module realizes the bill identification accuracy and efficiency in the block chain system; the user identity identification mode adopts a real-time verification code and a random number plus 'salt' strategy to obtain a security code, thereby greatly improving the security of user identity authentication.
Description
Technical Field
The invention belongs to the field of block chain application, relates to an integral accounting system, and particularly relates to a system for realizing integral accounting by using a block chain technology.
Background
Blockchains are a term of art in information technology. In essence, the system is a shared database, and the data or information stored in the shared database has the characteristics of 'unforgeability', 'whole-course trace', 'traceability', 'public transparency', 'collective maintenance', and the like. Based on the characteristics, the block chain technology lays a solid 'trust' foundation, creates a reliable 'cooperation' mechanism and has wide application prospect.
In the prior art, the buyer and the seller respectively account for the same transaction, so that the possibility of counterfeiting exists in the process, and the transaction items and the amount are falsified when the invoice is wrongly issued, the cost is more accounted; meanwhile, the current block chain point-obtaining and counting system has certain disadvantages, when point-obtaining and counting is carried out, the identity of a user logging in the block chain system cannot be effectively identified, a matched and good block chain service node cannot be selected, and the block chain technology cannot well identify various bill vouchers submitted by a terminal; to this end, we propose a system for implementing point accounting using block-chain techniques.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system for realizing point accounting by using a block chain technology.
The technical problem to be solved by the invention is as follows:
the buyer and the seller respectively account for the same transaction, so that the possibility of counterfeiting exists in the middle, and the transaction items and the amount are falsified during false invoice issuing, multi-account fee accounting and account accounting; meanwhile, the current block chain point-obtaining and counting system has certain disadvantages, when point-obtaining and counting are carried out, the identity of a user logging in the block chain system cannot be effectively identified, a matched and good block chain service node cannot be selected, and various bill vouchers submitted by a terminal cannot be well identified by a block chain technology.
The purpose of the invention can be realized by the following technical scheme:
a system for realizing point accounting by using a block chain technology comprises an identity identification module, a data input module, a data acquisition module, a node screening module, a bill identification module, an access analysis module, an electronic bill uploading module, a cloud platform and a plurality of login terminals;
the cloud platform is accessed to a block chain system, and an integral accounting system is established based on a block chain technology; the login terminals are used for inputting the integral accounting information after a user registers and logs in, and sending the integral accounting information to the cloud platform; the data input module is used for uploading bill vouchers by using personnel through a login terminal; the data acquisition module is used for acquiring basic information of a plurality of block chain access nodes;
the identity recognition module is used for recognizing the identity of a user logging in the terminal;
the electronic bill uploading module is used for identifying and uploading electronic bills; the bill identification module comprises a two-dimensional code generation unit, a two-dimensional code printing unit, a bill image acquisition unit, a two-dimensional code information reading unit, a bill image deviation correction unit, a bill image cutting unit, an OCR identification input unit and a manual input unit, and is used for identifying uploaded bill vouchers;
the access analysis module is used for performing access analysis on the access nodes of the block chain and sending access analysis results to the node screening module; the node screening module selects a block chain access node matched with the login terminal according to a preset rule;
the preset rule specifically comprises:
p1: firstly, selecting a block chain access node matched with a login terminal according to an inquired home ISP;
p2: secondly, selecting a block chain access node matched with the login terminal according to the inquired home region;
p3: and finally, according to the data such as the connection number, the CPU load rate, the read-write load rate and the bandwidth load rate of each block chain access node, the preferred block chain access node and the alternative block chain access node are selected according to the data such as the connection number, the CPU load rate, the read-write load rate and the bandwidth load rate when a plurality of block chain access nodes are selected according to the ISP to which the source IP address belongs and the region to which the source IP address belongs.
Further, the specific working steps of step P3 in the preset rule are as follows:
SS 1: acquiring a plurality of block chain access nodes, and marking the block chain access nodes as o, o =1, … …, n;
SS 2: acquiring an uploading network speed So and a downloading network speed Xo of a plurality of block chain access nodes; acquiring request time and acquisition time of a plurality of block chain access nodes, and calculating response time XTo of the block chain access nodes;
SS 3: the state parameter value ZCo of the access node of the block chain is calculated by using a formula, which is as follows:
SS 4: acquiring the connection number LJo, the CPU load rate CLo, the read-write load rate DXo and the bandwidth load rate DKo of the access node of the block chain;
SS 5: analyzing the access of the block link points by using a formula FZo = LJo × c1+ CLo × c2+ DXo × c3+ DKo × c4 to obtain a load value FZo of the block chain access node, wherein c1, c2, c3 and c4 are all preset fixed values of proportionality coefficients;
SS 6: acquiring a load threshold of a blockchain access node, and marking the load threshold of the blockchain access node as Yfzo; acquiring a state parameter threshold of a block chain access node, and marking the state parameter threshold of the block chain access node as Yzco;
SS 7: acquiring a state parameter value ZCo and a load value FZo of the blockchain access node, and obtaining a service quality score F of the blockchain access node by using a formula, wherein the specific formula is as follows:
SS 8: and the cloud platform distributes the block chain access nodes to the login terminal from top to bottom according to the descending service quality sorting list of the block chain access nodes.
Further, the specific identification steps of the identity identification module are as follows:
s1: identity recognition is carried out by inputting a security code, wherein the security code comprises a six-digit verification code and an identity recognition statement which are randomly generated; the randomly generated six-digit verification code is formed by mixing numbers and capital and lower-case English letters, and the randomly generated six-digit identity recognition sentence is formed by mixing Chinese characters;
s2: acquiring the generation time of the verification code, wherein the generation time of the verification code is marked as T1, acquiring the time of sending the verification code to the login terminal, and marking the time of sending the verification code to the login terminal as T2, so as to obtain the sending time length of the verification code, namely T3= T2-T1; acquiring the input time T4 of the verification code, and calculating to obtain the verification code input reaction time T5= T4-T2 of the login terminal;
s3: presetting the aging time T6 of the verification code, adding the sending time T3 of the verification code with the verification code input reaction time T5 of the login terminal, and then comparing with the aging time T6 of the verification code, wherein when T3+ T5 is more than T6, the verification code is invalid, and the verification code needs to be sent again; when the T3+ T5 is less than or equal to T6, the verification code is valid, the verification code does not need to be sent again, and the next step is carried out;
s4: a plurality of identification sentences are input into the cloud platform, stroke stamps of the identification sentences are obtained, stroke marks corresponding to word positions are obtained according to a left-to-right format and are B1-B6, and strokes B1-B6 are arranged and combined to obtain corresponding identification sentence stroke arrays Bo, wherein o =1.
S5: by analogy, each login terminal inputs a preset identity recognition statement in the cloud platform, and the identity recognition statement generates a corresponding stroke array Bo of the preset identity recognition statement and stores the stroke array Bo in the cloud platform in an encrypted manner;
s6: when the login terminal performs identity recognition through the identity recognition module, a user continues to input the identity recognition sentence corresponding to the login terminal after inputting the verification code, and the identity recognition sentence input by the login terminal generates a corresponding identity recognition sentence stroke array according to the step S4;
s7: and if the currently input stroke array of the identification sentence is completely matched with the preset stroke array of the identification sentence in comparison, the identification is passed, and the user successfully logs in the cloud platform through the login terminal.
Further, the basic information includes the number of the blockchain access nodes, location information of the blockchain access nodes, uploading network speed, downloading network speed, analysis time, connection establishment time, first package response time, downloading time, the number of the blockchain access nodes, CPU load rate, read-write load rate, bandwidth load rate, home ISP, and home region.
Further, the specific identification process of the bill identification module is as follows:
w1: the two-dimensional code generating unit generates a bill two-dimensional code according to the electronic image information data of the bill master plate, records the coordinates of each element area on the bill, and sends the generated two-dimensional code to the two-dimensional code printing unit for processing;
w2: the two-dimensional code printing unit synthesizes the two-dimensional code and the bill electronic image and prints the two-dimensional code and the bill electronic image into a paper bill voucher;
w3: the method comprises the following steps that operation such as filling in amount and stamping is carried out on a paper bill voucher in the using process, and the used paper bill voucher is uploaded to a cloud platform through a data input module to generate an electronic image of the paper bill voucher;
w4: the bill image acquisition unit acquires an electronic image of the paper bill voucher in a scanning mode or the like, and sends the acquired electronic image to the two-dimensional code information reading unit for processing;
w5: the two-dimensional code information reading unit reads two-dimensional code information on an electronic image of the paper bill voucher, so that a bill voucher format code, bill fixed data information and the like are obtained, and the two-dimensional code data are sent to the bill image deviation rectifying unit for processing;
w6: the bill image deviation rectifying unit rectifies the bill electronic image according to the two-dimensional code data and sends the two-dimensional code data and the bill image subjected to deviation rectifying processing to the bill image cutting unit for processing;
w7: the bill image cutting unit cuts the rectified bill image into a plurality of image fragments according to the coordinate information of the element region to be cut on the bill image, sends the image fragments of the content such as machine-printed fonts or seals to the OCR recognition input unit for processing, and sends the image fragments manually written by the client to the manual input unit for processing;
w8: and the OCR recognition input unit performs OCR recognition on the image fragments of the printing body and the stamp body, the recognition result is recorded in the cloud platform, the manual input unit records the image fragments manually written in the two-dimensional code image and the two types of image fragments which cannot be recognized by the OCR in the cloud platform in a manual input mode, and the bill image processing is finished.
Further, the specific cutting step of the bill image cutting unit is as follows:
step 1: acquiring an electronic image of the paper bill voucher, and acquiring coordinate and dimension information corresponding to each element area in the electronic image of the paper bill voucher;
step 2: and establishing a two-dimensional coordinate system by taking the upper left corner of the electronic image of the paper bill voucher as an original point, taking the upper cut edge of the electronic image of the paper bill voucher as an abscissa axis, taking the left cut edge of the electronic image of the paper bill voucher as an ordinate axis, and cutting according to the coordinate and dimension information corresponding to each element area in the electronic image of the paper bill voucher.
Compared with the prior art, the invention has the beneficial effects that:
1. the block chain technology-based credit accounting system is established, and the credit accounting transaction records of both transaction parties are registered in the block chain system and are broadcast in the whole network, so that the block chain system is used as a credible third party, the phenomena of false invoice issuing, multi-charge, transaction item tampering and amount in the accounting process of both transaction parties are reduced by using the non-removable property of the block chain technology, and the auditing efficiency is improved;
2. when the block chain technology is used for carrying out integral accounting, the service quality scores of the block chain nodes are calculated by acquiring the state parameter values and the load values of the block chain nodes, and matched and good block chain service nodes are selected according to the service quality scores;
3. aiming at various bill vouchers submitted by a terminal, the bill identification accuracy and efficiency in a block chain system are realized through a bill identification module; the invention adopts a real-time verification code and a random number plus 'salt' strategy to obtain the security code aiming at the user identity identification mode, and the security code is single and unique after being encrypted, thereby greatly improving the security of user identity authentication.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a system for implementing point counting by using a block chain technology includes an identity recognition module, a data input module, a data acquisition module, a node screening module, a bill recognition module, an access analysis module, an electronic bill uploading module, a cloud platform, and a plurality of login terminals;
the cloud platform is accessed to a block chain system, and an integral accounting system is established based on a block chain technology; the login terminals are used for inputting the integral accounting information after a user registers and logs in, and sending the integral accounting information to the cloud platform; the data input module is used for uploading bill vouchers by using personnel through a login terminal; the data acquisition module is used for acquiring basic information of a plurality of block chain access nodes, wherein the basic information comprises the number of the block chain access nodes, position information of the block chain access nodes, uploading network speed, downloading network speed, analysis time, connection establishment time, first package response time, downloading time, the number of the block chain access nodes, CPU load rate, reading and writing load rate, bandwidth load rate, attribution ISP (internet service provider), attribution region and the like.
The identity recognition module is used for recognizing the identity of a user logging in the terminal, and the specific recognition steps are as follows:
s1: identity recognition is carried out by inputting a security code, wherein the security code comprises a six-digit verification code and an identity recognition statement which are randomly generated; the randomly generated six-digit verification code is formed by mixing numbers and capital and lower-case English letters, and the randomly generated six-digit identity recognition sentence is formed by mixing Chinese characters;
s2: acquiring the generation time of the verification code, wherein the generation time of the verification code is marked as T1, acquiring the time of sending the verification code to the login terminal, and marking the time of sending the verification code to the login terminal as T2, so as to obtain the sending time length of the verification code, namely T3= T2-T1; acquiring the input time T4 of the verification code, and calculating to obtain the verification code input reaction time T5= T4-T2 of the login terminal;
s3: presetting the aging time T6 of the verification code, adding the sending time T3 of the verification code with the verification code input reaction time T5 of the login terminal, and then comparing with the aging time T6 of the verification code, wherein when T3+ T5 is more than T6, the verification code is invalid, and the verification code needs to be sent again; when the T3+ T5 is less than or equal to T6, the verification code is valid, the verification code does not need to be sent again, and the next step is carried out;
s4: a plurality of identification sentences are input into the cloud platform, stroke stamps of the identification sentences are obtained, stroke marks corresponding to word positions are obtained according to a left-to-right format and are B1-B6, and strokes B1-B6 are arranged and combined to obtain corresponding identification sentence stroke arrays Bo, wherein o =1.
S5: by analogy, each login terminal inputs a preset identity recognition statement in the cloud platform, and the identity recognition statement generates a corresponding stroke array Bo of the preset identity recognition statement and stores the stroke array Bo in the cloud platform in an encrypted manner;
s6: when the login terminal performs identity recognition through the identity recognition module, a user continues to input the identity recognition sentence corresponding to the login terminal after inputting the verification code, and the identity recognition sentence input by the login terminal generates a corresponding identity recognition sentence stroke array according to the step S4;
s7: if the currently input stroke array of the identification sentence is completely matched with the preset stroke array of the identification sentence in a comparison manner, the identification is passed, and a user successfully logs in the cloud platform through the login terminal;
specifically, the generation method of the stroke array of the identity recognition sentence is illustrated as follows: if the randomly generated six-digit identification statement is 'late autumn, late winter', strokes corresponding to the word positions are obtained according to a left-to-right format, and B1-B6 is expressed as 11-09-07-12-05-02, the stroke array of the identification statement is 110907120502; specifically, if the verification code is "a 17 URm"; at this time, the security code is a17URm 110907120502.
The electronic bill uploading module is used for identifying and uploading electronic bills; the bill identification module comprises a two-dimensional code generation unit, a two-dimensional code printing unit, a bill image acquisition unit, a two-dimensional code information reading unit, a bill image deviation correction unit, a bill image cutting unit, an OCR recognition input unit and a manual input unit, the bill identification module is used for identifying uploaded bill vouchers, and the specific identification process is as follows:
w1: the two-dimensional code generating unit generates a bill two-dimensional code according to the electronic image information data of the bill master plate, records the coordinates of each element area on the bill, and sends the generated two-dimensional code to the two-dimensional code printing unit for processing;
w2: the two-dimensional code printing unit synthesizes the two-dimensional code and the bill electronic image and prints the two-dimensional code and the bill electronic image into a paper bill voucher;
w3: the method comprises the following steps that operation such as filling in amount and stamping is carried out on a paper bill voucher in the using process, and the used paper bill voucher is uploaded to a cloud platform through a data input module to generate an electronic image of the paper bill voucher;
w4: the bill image acquisition unit acquires an electronic image of the paper bill voucher in a scanning mode or the like, and sends the acquired electronic image to the two-dimensional code information reading unit for processing;
w5: the two-dimensional code information reading unit reads two-dimensional code information on an electronic image of the paper bill voucher, so that a bill voucher format code, bill fixed data information and the like are obtained, and the two-dimensional code data are sent to the bill image deviation rectifying unit for processing;
w6: the bill image deviation rectifying unit rectifies the bill electronic image according to the two-dimensional code data and sends the two-dimensional code data and the bill image subjected to deviation rectifying processing to the bill image cutting unit for processing;
w7: the bill image cutting unit cuts the rectified bill image into a plurality of image fragments according to the coordinate information of the element region to be cut on the bill image, sends the image fragments of the content such as machine-printed fonts or seals to the OCR recognition input unit for processing, and sends the image fragments manually written by the client to the manual input unit for processing;
w8: the OCR recognition input unit performs OCR recognition on the image fragments of the printing body and the stamp body, the recognition result is recorded in the cloud platform, the manual input unit records the manually written image fragments and the two types of image fragments which cannot be recognized by the OCR in the two-dimensional code image in the cloud platform in a manual input mode, and the bill image processing is finished;
two-dimensional code generation unit: generating a corresponding bill two-dimensional code according to the bill voucher master electronic image, sending the generated bill two-dimensional code to a two-dimensional code printing unit, and recording the coordinates of each element area of the bill voucher, wherein the two-dimensional code has data content comprising: bill voucher format codes, bill fixed data information and the like;
two-dimensional code printing unit: the bill two-dimensional code generation device is used for synthesizing the generated bill two-dimensional code and the electronic image of the bill master plate and printing the synthesized new bill into a paper bill voucher;
the bill image acquisition unit: acquiring an electronic image of the paper bill voucher in a scanning mode and the like, and sending the electronic image of the paper bill voucher to the two-dimensional code information reading unit;
two-dimensional code information reading unit: the system comprises a bill image correction unit, a bill image correction unit and a bill image correction unit, wherein the bill image correction unit is used for reading a two-dimensional code image on an electronic image of a paper bill voucher so as to obtain a bill voucher format code, bill fixed data information, two-dimensional code information (such as coordinates, offset and the like) and the like, and sending the read two-dimensional code information to the bill image correction unit;
bill image deviation rectifying unit: and correcting the electronic image of the bill voucher according to the two-dimensional code information read by the two-dimensional code information reading unit. The two-dimensional code area is fixed relative to the whole bill voucher, the bill image rectification unit establishes a coordinate system according to the two-dimensional code area, firstly, the upper left corner of the two-dimensional code area is used as an original point, the upper trimming edge and the left trimming edge of the two-dimensional code area are used as horizontal and vertical coordinate axes, the gradient of the two-dimensional code area in an electronic image of the bill voucher is identified, secondly, the two-dimensional code area is used as the original point, and the electronic image of the bill voucher is wholly rectified according to the gradient of a two-dimensional code image, so that the phenomenon that the voucher is misplaced in the direction (vertical direction, reverse direction or inclination and the; the two-dimensional code information and the electronic image of the bill voucher after the deviation correction processing are sent to a bill image cutting unit;
bill image cutting unit: the module judges the electronic image of the bill voucher after deviation rectification processing according to the bill voucher format code in the two-dimensional code image, reads the coordinates and the size information of each area of the voucher relative to the original point of the two-dimensional code in the host cloud platform, and identifies the original point coordinate of the two-dimensional code per se by combining the coordinates, so that the relative position of each area to be cut is accurately positioned. The original point coordinate of the two-dimensional code is recognized in the process of recognizing the two-dimensional code voucher, so that once the two-dimensional code is recognized successfully, all attributes of the two-dimensional code can be acquired, including data information contained in the two-dimensional code, the original point coordinate of the two-dimensional code and the gradient of a two-dimensional code image. And the bill image cutting unit cuts the electronic image of the corrected bill voucher according to the coordinate information of each element area to be cut, and cuts each voucher element (such as an account number, the amount, a payee and the like) into a plurality of image fragments. The document elements can be generally divided into two types according to writing modes, namely machine-printed fonts (such as account numbers printed on checks, name of a payment line on official seals and the like), which are very standard and easy to recognize by an OCR (optical character recognition) and client handwritten fonts (such as check amount, client handwritten signatures and the like), which are very different and difficult to recognize by an OCR system. The bill image cutting unit sends image fragments (such as account numbers, payment line names and the like) of machine-printed fonts or contents such as seals and the like to the OCR recognition input unit, and sends image fragments (such as money, signatures and the like) written by a customer manually to the manual input unit;
OCR discerns the input unit: the module is responsible for performing OCR recognition on image fragments of the machine printing form, recording recognition results in the cloud platform, and recording key element information contained in the two-dimensional code image into the cloud platform;
the OCR recognition input unit is connected with the manual input unit, and image fragments which cannot be recognized by the OCR recognition input unit are sent to the manual input unit;
a manual recording unit: the module records the content in the cloud platform in a manual input mode for image fragments which are not included in the two-dimensional code image and cannot be recognized by an OCR recognition input unit, wherein the image fragments are written by a customer manually (such as money amount, signature and the like);
specifically, the cutting step of the bill image cutting unit is exemplified as follows:
step 1: acquiring an electronic image of the paper bill voucher, and acquiring coordinate and dimension information corresponding to each element area in the electronic image of the paper bill voucher;
step 2: establishing a two-dimensional coordinate system by taking the upper left corner of the electronic image of the paper bill voucher as an original point, taking the upper cut edge of the electronic image of the paper bill voucher as an abscissa axis and the left cut edge of the electronic image of the paper bill voucher as an ordinate axis, and cutting according to the coordinate and dimension information corresponding to each element area in the electronic image of the paper bill voucher; specific examples are as follows: if the coordinates of the upper left corner and the lower right corner of the sum area on the electronic image of the paper bill voucher are respectively (5, -10) and (35, -15), the bill image cutting unit respectively cuts the image fragments of the sum area downwards to the right according to the two coordinates.
The access analysis module is used for performing access analysis on the access nodes of the block chain and sending access analysis results to the node screening module; the node screening module selects a block chain access node matched with the login terminal according to a preset rule, wherein the preset rule specifically comprises the following steps:
p1: firstly, selecting a block chain access node matched with a login terminal according to an inquired home ISP;
p2: secondly, selecting a block chain access node matched with the login terminal according to the inquired home region;
p3: and finally, according to the data such as the connection number, the CPU load rate, the read-write load rate and the bandwidth load rate of each block chain access node monitored in real time, when a plurality of block chain access nodes are selected according to the ISP to which the source IP address belongs and the region to which the source IP address belongs, a preferred block chain access node and an alternative block chain access node are selected according to the data such as the connection number, the CPU load rate, the read-write load rate and the bandwidth load rate, and the specific working steps are as follows:
SS 1: acquiring a plurality of block chain access nodes, and marking the block chain access nodes as o, o =1, … …, n;
SS 2: acquiring an uploading network speed So and a downloading network speed Xo of a plurality of block chain access nodes; acquiring request time and acquisition time of a plurality of block chain access nodes, and calculating response time XTo of the block chain access nodes;
SS 3: the state parameter value ZCo of the access node of the block chain is calculated by using a formula, which is as follows:
SS 4: acquiring the connection number LJo, the CPU load rate CLo, the read-write load rate DXo and the bandwidth load rate DKo of the access node of the block chain;
SS 5: analyzing the access of the block link points by using a formula FZo = LJo × c1+ CLo × c2+ DXo × c3+ DKo × c4 to obtain a load value FZo of the block chain access node, wherein c1, c2, c3 and c4 are all preset fixed values of proportionality coefficients;
SS 6: acquiring a load threshold of a blockchain access node, and marking the load threshold of the blockchain access node as Yfzo; acquiring a state parameter threshold of a block chain access node, and marking the state parameter threshold of the block chain access node as Yzco;
SS 7: acquiring a state parameter value ZCo and a load value FZo of the blockchain access node, and obtaining a service quality score F of the blockchain access node by using a formula, wherein the specific formula is as follows:
SS 8: and the cloud platform distributes the block chain access nodes to the login terminal from top to bottom according to the descending service quality sorting list of the block chain access nodes.
A system for realizing point accounting by using a block chain technology is characterized in that during work, an identity identification module is used for identifying the identity of a user of a login terminal, firstly, the generation time T1 of a verification code and the time T2 for sending the verification code to the login terminal are obtained, the sending time T3 of the verification code is obtained by calculation, then, the input time T4 of the verification code is obtained by calculation, the verification code input reaction time T5 of the login terminal is obtained by calculation, the aging time T6 of the verification code is preset, the sending time T3 of the verification code is added with the verification code input reaction time T5 of the login terminal and then compared with the aging time T6 of the verification code, when the value T3+ T5 is greater than T6, the verification code is invalid, and the verification code needs to be sent again; when T3+ T5 is less than or equal to T6, the verification code is effective without resending the verification code, a plurality of identification sentences are pre-recorded in the cloud platform, stroke stamps of the identification sentences are obtained, strokes of corresponding word positions are obtained according to a left-to-right format to obtain corresponding identification sentence stroke arrays Bo, and so on, each login terminal records a preset identification sentence in the cloud platform, the identification sentences generate corresponding preset identification sentence stroke arrays Bo to be stored in the cloud platform in an encrypted manner, when the login terminal performs identification through an identification module, a user continues to input the identification sentences corresponding to the login terminal after inputting the verification code, the identification sentences input by the login terminal generate corresponding identification sentence stroke arrays according to the step S4, if the currently input identification sentence stroke arrays are completely matched with the preset identification sentence stroke arrays, the identity identification is passed, and a user successfully logs in the cloud platform through the login terminal;
the bill identification module is used for identifying uploaded bill vouchers, the two-dimensional code generation unit generates bill two-dimensional codes according to electronic image information data of bill masters, coordinates of each element area on bills are recorded, the generated two-dimensional codes are sent to the two-dimensional code printing unit for processing, the two-dimensional code printing unit synthesizes the two-dimensional codes and electronic images of the bills and prints the two-dimensional codes and the electronic images of the bills into paper bill vouchers, the paper bill vouchers are filled in money and covered with stamps in the using process, used paper bill vouchers are uploaded to the cloud platform through the data input module to generate electronic images of the paper bill vouchers, the bill image acquisition unit acquires the electronic images of the paper bill vouchers in a scanning mode and the like, the acquired electronic images are sent to the two-dimensional code information reading unit for processing, and the two-dimensional code information reading unit reads two-dimensional code information on the electronic images of the paper bill vou, thereby obtaining bill certificate format codes, bill fixed data information and the like, sending the two-dimensional code data to a bill image deviation rectifying unit for processing, rectifying the electronic bill image according to the two-dimensional code data by the bill image deviation rectifying unit, sending the two-dimensional code data and the bill image after the deviation rectifying processing to a bill image cutting unit for processing, cutting the bill image after the deviation rectifying into a plurality of image fragments according to the coordinate information of a key element area to be cut on the bill image by the bill image cutting unit, sending the image fragments of machine printing fonts or seals and the like to an OCR recognition input unit for processing, sending the image fragments manually written by a client to a manual input unit for processing, carrying out OCR recognition on the image fragments of the printing bodies and the seal bodies by the OCR recognition input unit, and recording the recognition result in a cloud platform, the manual input unit records two types of image fragments which are manually written in the two-dimensional code image and cannot be identified by OCR in the cloud platform in a manual input mode, and the bill image processing is finished;
selecting a block chain access node matched with a login terminal according to a preset rule through a node screening module, firstly selecting the block chain access node matched with the login terminal according to the inquired home ISP, secondly selecting the block chain access node matched with the login terminal according to the inquired home region, and finally acquiring the connection number of the block chain access node, the CPU load rate, the read-write load rate, the bandwidth load rate, the uploading network speed, the downloading network speed and other data, and utilizing a formula
Calculating to obtain a state parameter value ZCo of the access node of the block chain, then obtaining a load value FZo of the access node of the block chain after the access analysis of the access node of the block chain by using a formula FZo = LJo × c1+ CLo × c2+ DXo × c3+ DKo × c4, finally obtaining a load threshold value and a state parameter threshold value of the access node of the block chain, and using the formula
And obtaining the service quality score F of the block chain access node, and selecting the corresponding block chain access node according to the service quality score of the block chain access node.
The above formulas are all quantitative calculation, the formula is a formula obtained by acquiring a large amount of data and performing software simulation to obtain the latest real situation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A system for realizing point accounting by using a block chain technology is characterized by comprising an identity recognition module, a data input module, a data acquisition module, a node screening module, a bill recognition module, an access analysis module, an electronic bill uploading module, a cloud platform and a plurality of login terminals;
the cloud platform is accessed to a block chain system, and an integral accounting system is established based on a block chain technology; the login terminals are used for inputting the integral accounting information after a user registers and logs in, and sending the integral accounting information to the cloud platform; the data input module is used for uploading bill vouchers by using personnel through a login terminal; the data acquisition module is used for acquiring basic information of a plurality of block chain access nodes;
the identity recognition module is used for recognizing the identity of a user logging in the terminal;
the electronic bill uploading module is used for identifying and uploading electronic bills; the bill identification module comprises a two-dimensional code generation unit, a two-dimensional code printing unit, a bill image acquisition unit, a two-dimensional code information reading unit, a bill image deviation correction unit, a bill image cutting unit, an OCR identification input unit and a manual input unit, and is used for identifying uploaded bill vouchers;
the access analysis module is used for performing access analysis on the access nodes of the block chain and sending access analysis results to the node screening module; the node screening module selects a block chain access node matched with the login terminal according to a preset rule;
the preset rule specifically comprises:
p1: firstly, selecting a block chain access node matched with a login terminal according to an inquired home ISP;
p2: secondly, selecting a block chain access node matched with the login terminal according to the inquired home region;
p3: and finally, monitoring the connection number, the CPU load rate, the read-write load rate and the bandwidth load rate data of each block chain access node in real time, and selecting a preferred block chain access node and an alternative block chain access node according to the connection number, the CPU load rate, the read-write load rate and the bandwidth load rate data when selecting a plurality of block chain access nodes according to the ISP to which the source IP address belongs and the region to which the source IP address belongs.
2. The system for realizing point billing by using the block chain technology as claimed in claim 1, wherein the specific working steps of step P3 in the preset rule are as follows:
SS 1: acquiring a plurality of block chain access nodes, and marking the block chain access nodes as o, o =1, … …, n;
SS 2: acquiring an uploading network speed So and a downloading network speed Xo of a plurality of block chain access nodes; acquiring request time and acquisition time of a plurality of block chain access nodes, and calculating response time XTo of the block chain access nodes;
SS 3: the state parameter value ZCo of the access node of the block chain is calculated by using a formula, which is as follows:
SS 4: acquiring the connection number LJo, the CPU load rate CLo, the read-write load rate DXo and the bandwidth load rate DKo of the access node of the block chain;
SS 5: analyzing the access of the block link points by using a formula FZo = LJo × c1+ CLo × c2+ DXo × c3+ DKo × c4 to obtain a load value FZo of the block chain access node, wherein c1, c2, c3 and c4 are all preset fixed values of proportionality coefficients;
SS 6: acquiring a load threshold of a blockchain access node, and marking the load threshold of the blockchain access node as Yfzo; acquiring a state parameter threshold of a block chain access node, and marking the state parameter threshold of the block chain access node as Yzco;
SS 7: acquiring a state parameter value ZCo and a load value FZo of the blockchain access node, and obtaining a service quality score F of the blockchain access node by using a formula, wherein the specific formula is as follows:
SS 8: and the cloud platform distributes the block chain access nodes to the login terminal from top to bottom according to the descending service quality sorting list of the block chain access nodes.
3. The system for realizing point accounting by using the block chain technology as claimed in claim 1, wherein the specific identification steps of the identity module are as follows:
s1: identity recognition is carried out by inputting a security code, wherein the security code comprises a six-digit verification code and an identity recognition statement which are randomly generated; the randomly generated six-digit verification code is formed by mixing numbers and capital and lower-case English letters, and the randomly generated six-digit identity recognition sentence is formed by mixing Chinese characters;
s2: acquiring the generation time of the verification code, wherein the generation time of the verification code is marked as T1, acquiring the time of sending the verification code to the login terminal, and marking the time of sending the verification code to the login terminal as T2, so as to obtain the sending time length of the verification code, namely T3= T2-T1; acquiring the input time T4 of the verification code, and calculating to obtain the verification code input reaction time T5= T4-T2 of the login terminal;
s3: presetting the aging time T6 of the verification code, adding the sending time T3 of the verification code with the verification code input reaction time T5 of the login terminal, and then comparing with the aging time T6 of the verification code, wherein when T3+ T5 is more than T6, the verification code is invalid, and the verification code needs to be sent again; when the T3+ T5 is less than or equal to T6, the verification code is valid, the verification code does not need to be sent again, and the next step is carried out;
s4: a plurality of identification sentences are input into the cloud platform, stroke stamps of the identification sentences are obtained, stroke marks corresponding to word positions are obtained according to a left-to-right format and are B1-B6, and strokes B1-B6 are arranged and combined to obtain corresponding identification sentence stroke arrays Bo, wherein o =1.
S5: by analogy, each login terminal inputs a preset identity recognition statement in the cloud platform, and the identity recognition statement generates a corresponding stroke array Bo of the preset identity recognition statement and stores the stroke array Bo in the cloud platform in an encrypted manner;
s6: when the login terminal performs identity recognition through the identity recognition module, a user continues to input the identity recognition sentence corresponding to the login terminal after inputting the verification code, and the identity recognition sentence input by the login terminal generates a corresponding identity recognition sentence stroke array according to the step S4;
s7: and if the currently input stroke array of the identification sentence is completely matched with the preset stroke array of the identification sentence in comparison, the identification is passed, and the user successfully logs in the cloud platform through the login terminal.
4. The system of claim 1, wherein the basic information includes a number of access nodes of the blockchain, location information of the access nodes of the blockchain, upload network speed, download network speed, resolution time, connection establishment time, response time of a first package, download time, a number of connections of the access nodes of the blockchain, a CPU load rate, a read/write load rate, a bandwidth load rate, a home ISP, and a home zone.
5. The system for realizing point accounting by using the block chain technology as claimed in claim 1, wherein the specific identification process of the bill identification module is as follows:
w1: the two-dimensional code generating unit generates a bill two-dimensional code according to the electronic image information data of the bill master plate, records the coordinates of each element area on the bill, and sends the generated two-dimensional code to the two-dimensional code printing unit for processing;
w2: the two-dimensional code printing unit synthesizes the two-dimensional code and the bill electronic image and prints the two-dimensional code and the bill electronic image into a paper bill voucher;
w3: filling in amount and stamping operation are carried out in the using process of the paper bill voucher, and the used paper bill voucher is uploaded to the cloud platform through the data input module to generate an electronic image of the paper bill voucher;
w4: the bill image acquisition unit acquires an electronic image of the paper bill voucher in a scanning mode and sends the acquired electronic image to the two-dimensional code information reading unit for processing;
w5: the two-dimensional code information reading unit reads two-dimensional code information on an electronic image of the paper bill voucher, so that a bill voucher format code and bill fixed data information are obtained, and the two-dimensional code data are sent to the bill image deviation rectifying unit for processing;
w6: the bill image deviation rectifying unit rectifies the bill electronic image according to the two-dimensional code data and sends the two-dimensional code data and the bill image subjected to deviation rectifying processing to the bill image cutting unit for processing;
w7: the bill image cutting unit cuts the rectified bill image into a plurality of image fragments according to the coordinate information of the element region to be cut on the bill image, sends the image fragments of machine-printed fonts or seal contents to the OCR recognition input unit for processing, and sends the image fragments manually written by a client to the manual input unit for processing;
w8: and the OCR recognition input unit performs OCR recognition on the image fragments of the printing body and the stamp body, the recognition result is recorded in the cloud platform, the manual input unit records the image fragments manually written in the two-dimensional code image and the two types of image fragments which cannot be recognized by the OCR in the cloud platform in a manual input mode, and the bill image processing is finished.
6. The system of claim 5, wherein the bill image cutting unit comprises:
step 1: acquiring an electronic image of the paper bill voucher, and acquiring coordinate and dimension information corresponding to each element area in the electronic image of the paper bill voucher;
step 2: and establishing a two-dimensional coordinate system by taking the upper left corner of the electronic image of the paper bill voucher as an original point, taking the upper cut edge of the electronic image of the paper bill voucher as an abscissa axis, taking the left cut edge of the electronic image of the paper bill voucher as an ordinate axis, and cutting according to the coordinate and dimension information corresponding to each element area in the electronic image of the paper bill voucher.
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