CN112506860A - Block chain based collaborative audit method, device and system - Google Patents
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Abstract
The invention discloses a block chain-based collaborative auditing method, device and system, wherein the method comprises the following steps: the method comprises the steps that an audit node carries out uplink processing on an unstructured data file according to a preset uplink structure to obtain first uplink information, and the first uplink information is uploaded to a block chain network; the method comprises the steps that an audit node classifies unstructured data files according to a preset on-chain structure to obtain second uplink information, and the second uplink information is uploaded to a block chain network; the block body also comprises an audit classification item field; and the audit node performs summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain to obtain a comparison result, and uploads the comparison result to the block chain network. The invention can realize the cooperation of the audit process through the block chain technology and can realize the audit tracing process.
Description
Technical Field
The invention relates to the technical field of data auditing, in particular to a block chain-based collaborative auditing method, device and system.
Background
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
The existing audit mainly aims at the processing of structured data documents, and is realized in an unstructured data entry audit item mode, for example, Office documents, Pdf files, picture information and the like are stored in files. The specific process is as follows:
step 1, importing structured audit data into a database.
And 2, for unstructured data, auditors search in various unstructured documents according to audit items, and record result information into a database.
And step 3, obtaining an audit summary processing result through database calculation.
The above method has the following problems:
the method has the following disadvantages that in the unstructured data identification process, key information items are easy to omit by auditors, the efficiency is low, data loss is easy to cause during multi-level audit, and collaborative audit cannot be efficiently achieved.
And 2, the data integrity and the transparency are difficult to ensure in cooperative work. The integrity and the transparency need to guarantee a large amount of database logs and permissions, and the system overhead is large.
Disclosure of Invention
The embodiment of the invention provides a block chain-based collaborative audit method, which is used for solving the problems that the efficiency of auditing unstructured data is low and collaborative audit cannot be realized in the prior art, and comprises the following steps:
the method comprises the steps that an audit node carries out uplink processing on an unstructured data file according to a preset uplink structure to obtain first uplink information, and the first uplink information is uploaded to a block chain network; the chain structure comprises a block head and a block body, wherein the block body comprises a file hash index field, an audit project information field and a hierarchy definition field, and the first uplink information comprises a corresponding file hash index, audit project information and hierarchy definition information;
the method comprises the steps that an audit node classifies unstructured data files according to a preset on-chain structure to obtain second uplink information, and the second uplink information is uploaded to a block chain network; the block body also comprises an audit classification item field;
and the audit node performs summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain to obtain a comparison result, and uploads the comparison result to the block chain network.
The embodiment of the invention also provides a block chain-based collaborative audit device, which is used for solving the problems that the efficiency of auditing unstructured data is low and collaborative audit cannot be realized in the prior art, and comprises the following steps:
the system comprises an unstructured data file processing module, a block chain network and a block chain network, wherein the unstructured data file processing module is used for carrying out uplink processing on an unstructured data file according to a preset on-chain structure to obtain first uplink information and uploading the first uplink information to the block chain network; the chain structure comprises a block head and a block body, wherein the block body comprises a file hash index field, an audit project information field and a hierarchy definition field, and the first uplink information comprises a corresponding file hash index, audit project information and hierarchy definition information;
the audit service splitting module is used for classifying and splitting the unstructured data files according to a preset on-chain structure to obtain second uplink information and uploading the second uplink information to a block chain network; the block body also comprises an audit classification item field;
and the audit conclusion engine module is used for the audit node to perform summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain to obtain a comparison result, and uploading the comparison result to the block chain network.
The embodiment of the invention also provides a block chain-based collaborative audit system, which is used for solving the problems that the efficiency of auditing unstructured data is low and collaborative audit cannot be realized in the prior art, and comprises the following steps: an audit node and a blockchain network;
the audit node and blockchain network is to: the block chain-based collaborative audit method is realized.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the block chain-based collaborative auditing method when executing the computer program.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program for executing the block chain-based collaborative audit method is stored in the computer-readable storage medium.
Compared with the technical scheme that for unstructured data, auditors easily miss key information items, the efficiency is low, data loss is easily caused during multi-level audit, cooperative audit cannot be efficiently achieved, and the integrity and transparency of data during cooperative work are difficult to guarantee in the prior art, through the preset on-chain structure, the auditing node carries out uplink processing on the unstructured data file according to the preset on-chain structure, uploads first uplink information to the block chain network, the method comprises the steps of classifying and splitting unstructured data files, uploading second uplink information to a block chain network, summarizing, processing and comparing the second uplink information based on uplink information according to audit rules set by intelligent contracts of the block chain to obtain comparison results, uploading the comparison results to the block chain network, achieving audit process coordination, and achieving audit tracing processes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a first flowchart of a block chain-based collaborative audit method according to an embodiment of the present invention;
FIG. 2 is a flowchart of a block chain-based collaborative audit method according to an embodiment of the present invention;
FIG. 3 is a flow chart of a block chain-based collaborative auditing method according to an embodiment of the present invention;
FIG. 4 is a flowchart of a block chain-based collaborative audit method according to an embodiment of the present invention;
FIG. 5 is a flow chart of a block chain-based collaborative audit method according to an embodiment of the present invention;
FIG. 6 is a block diagram of a block chain-based collaborative audit apparatus according to an embodiment of the present invention;
fig. 7 is a block diagram of a structure of a block chain-based collaborative audit apparatus in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Explanation of technical terms
Block chaining techniques: the block chain is a distributed shared account book and a database, and has the characteristics of decentralization, no tampering, trace retaining in the whole process, traceability, collective maintenance, openness and transparency and the like. The characteristics ensure the honesty and the transparency of the block chain and lay a foundation for creating trust for the block chain. And the rich application scenes of the block chains basically solve the problem of information asymmetry based on the block chains, and realize the cooperative trust and consistent action among a plurality of main bodies.
Fig. 1 is a first flowchart of a block chain-based collaborative audit method according to an embodiment of the present invention, as shown in fig. 1, the method includes:
step 101: the method comprises the steps that an audit node carries out uplink processing on an unstructured data file according to a preset uplink structure to obtain first uplink information, and the first uplink information is uploaded to a block chain network; the chain structure comprises a block head and a block body, wherein the block body comprises a file hash index field, an audit project information field and a hierarchy definition field, and the first uplink information comprises a corresponding file hash index, audit project information and hierarchy definition information;
step 102: the method comprises the steps that an audit node classifies unstructured data files according to a preset on-chain structure to obtain second uplink information, and the second uplink information is uploaded to a block chain network; the block body also comprises an audit classification item field;
step 103: and the audit node performs summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain to obtain a comparison result, and uploads the comparison result to the block chain network.
Wherein, the audit node refers to a hierarchical bank and/or a head office. The file hash index is used for quickly searching the unstructured data file. The audit project information is used to determine which audit project the unstructured data file belongs to, and the hierarchy definition is used to indicate which level of the unstructured data file data the bank owner, which may be a hierarchical bank, belongs to the head office.
Specifically, before the method is implemented, a block chain upper structure and a block chain lower service engine need to be defined and constructed. The invention is based on the file storage method of the alliance chain, and determines that network information and contract consensus are required to be set on the chain, and sets a network range and an intelligent contract consensus mechanism used by the system.
The consensus mechanism adopts a practical Byzantine Fault-tolerant algorithm PBFT (practical Byzantine failure Tolerance), and can meet the requirements of file storage and field splitting speed. The intelligent contract can set logic rules of unstructured data file processing, an audit business splitting engine, an audit approval judging engine and an audit conclusion engine according to audit requirements.
Structure on the chain:
the basic structure of the block chain is set, and the basic structure of the block chain can comprise a block head and a block main body structure. The chunk header may include network information, version number, upper chunk hash value, Merkle root, timestamp, random number, target hash. The chunk body may include file hash indices, audit entries, hierarchy definitions (all set fields that need to be filled from unstructured data files).
Intelligent contract service under link:
and performing uplink recording on the splitting information by a splitting engine of the logic-set downlink audit service.
And (4) carrying out grading summary processing comparison by a set rule audit service judgment engine, and screening out audit data with problems.
In the embodiment of the present invention, as shown in fig. 2, the chunk further includes a file paragraph header end value field and/or an audit tag amount information field; the second uplink information comprises file paragraph head and tail values and/or audit mark amount information;
step 102: the audit node classifies and splits the unstructured data files according to a preset on-chain structure to obtain second uplink information, and the method comprises the following steps:
and the audit node classifies the unstructured data files based on the audit classification items, performs character recognition on the classified and classified unstructured data files, and obtains file section head and tail values and/or audit mark amount information corresponding to the audit classification items.
The file paragraph header tail field indicates which paragraphs the content to be audited is located in.
The unstructured data files comprise Office, text, Pdf, pictures and the like. For commonly used Office, text, Pdf documents, document and paragraph location of the above category files may be implemented by Python programming, for example, using the Office Python interface provided by Microsoft, the third-party library of Pdf files, including pyPdf, pyPdf2, pyPdf3, pyPdf4, pdfrw, etc.; for a document in picture format, document and paragraph location may be performed by OCR (Optical Character Recognition). Other categories of documents may be converted to text or to pictures for OCR recognition processing.
In the embodiment of the present invention, as shown in fig. 3, the block body further includes an audit label item field and an audit label content field;
in order to ensure the accuracy of the information, the method further comprises the following steps:
step 104: and the audit node marks the audit condition of the unstructured data file according to a preset chain structure (for explaining the audit condition and assisting other auditors to perform collaborative audit), acquires audit mark content information, and uploads an audit mark item and the audit mark content information to a block chain network.
In an embodiment of the present invention, as shown in fig. 4, the zone block further includes an audit status field;
in order to ensure the accuracy of the information, the method further comprises the following steps:
step 105: and the auditing node marks the auditing state of the auditing classification items in doubt in the unstructured data file according to a preset on-chain structure to obtain the in-doubt auxiliary mark information, and uploads the in-doubt auxiliary mark information to the block chain network.
In the embodiment of the present invention, as shown in fig. 5, in order to ensure the accuracy of the information, the method further includes:
step 106: and the audit node carries out approval judgment on the audit marked amount information to obtain an approval judgment result, and uploads the approval judgment result to the block chain network.
If other key information is contained, the document paragraph information can assist auditors to carry out approval judgment on the key information through context.
Specifically, if a portion of the hierarchical information of the sub-row is missing after step 103 is performed, the audit data file may be supplemented based on step 101. If the determination information is found to be insufficient (e.g., the amount approval calibration is not performed) after the execution of step 103, the approval determination may be supplemented.
As described above, the on-chain structure is shown in Table 1.
TABLE 1
The invention is based on the intelligent contract mechanism on the block chain technology chain and the chain. The cooperation of the audit process is realized, and the audit tracing process can be realized. The method for realizing the collaborative audit of the general branch auditors through the block chain technology can help the audit business personnel to solve the practical difficulty that a large number of unstructured documents are involved in the audit process, the workload for marking and extracting the audit information in the documents is large, and the collaborative audit of multiple persons is difficult. For example, when a general branch auditor faces a large number of unstructured audit files of different levels (a general branch, a branch level, and the like), the branch level needs to be compliant step by step, data collected from the branch to the general branch level also meets the general branch collection audit requirement, and collaborative audit is difficult. Meanwhile, transparent traceability of an auditing process is realized through the technical characteristics of a block chain.
The embodiment of the invention also provides a block chain-based collaborative audit device, which is described in the following embodiment. Because the principle of the device for solving the problems is similar to the block chain-based collaborative auditing method, the implementation of the device can refer to the implementation of the block chain-based collaborative auditing method, and repeated parts are not described again.
Fig. 6 is a block diagram of a structure of a block chain-based collaborative audit apparatus in an embodiment of the present invention, as shown in fig. 6, the apparatus includes:
the unstructured data file processing module 02 is configured to perform uplink processing on an unstructured data file according to a preset uplink structure to obtain first uplink information, and upload the first uplink information to a block chain network; the chain structure comprises a block head and a block body, wherein the block body comprises a file hash index field, an audit project information field and a hierarchy definition field, and the first uplink information comprises a corresponding file hash index, audit project information and hierarchy definition information;
an audit service splitting module 04, configured to classify and split an unstructured data file according to a preset on-chain structure, obtain second uplink information, and upload the second uplink information to a block chain network; the block body also comprises an audit classification item field;
and the audit conclusion engine module 06 is configured to perform, by the audit node, a summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain, obtain a comparison result, and upload the comparison result to the block chain network.
In the embodiment of the invention, the block body further comprises a file paragraph head and tail value field and/or an audit mark amount information field; the second uplink information comprises file paragraph head and tail values and/or audit mark amount information;
the audit service splitting module is specifically configured to:
classifying and splitting the unstructured data files based on the audit classification items, and performing character recognition on the classified and split unstructured data files to obtain file paragraph head and tail values and/or audit mark amount information corresponding to the audit classification items.
In the embodiment of the present invention, as shown in fig. 7, the block body further includes an audit label item field and an audit label content field;
further comprising: and the audit approval judging module 08 is used for marking the audit condition of the unstructured data file according to a preset chain structure, obtaining audit marking content information and uploading the audit marking item and the audit marking content information to a block chain network.
In an embodiment of the present invention, as shown in fig. 7, the zone block further includes an audit status field;
further comprising: and the audit approval judging module 08 is used for marking the audit state of the suspected audit classification items in the unstructured data files according to the preset on-chain structure, obtaining the suspected auxiliary marking information and uploading the suspected auxiliary marking information to the block chain network.
In the embodiment of the present invention, as shown in fig. 7, the method further includes: and the audit approval judging module 08 is used for carrying out approval judgment on the audit mark amount information, obtaining an approval judgment result and uploading the approval judgment result to the block chain network.
The invention also provides a block chain-based collaborative audit system, which comprises: an audit node and a blockchain network;
the audit node and blockchain network is to: the block chain-based collaborative audit method is realized.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the block chain-based collaborative auditing method when executing the computer program.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program for executing the block chain-based collaborative audit method is stored in the computer-readable storage medium.
Compared with the technical scheme that for unstructured data, auditors easily miss key information items, the efficiency is low, data loss is easily caused during multi-level audit, cooperative audit cannot be efficiently achieved, and the integrity and transparency of the data during cooperative work are difficult to ensure in the prior art, through the preset on-chain structure, the auditing node carries out uplink processing on the unstructured data file according to the preset on-chain structure, uploads first uplink information to the block chain network, the method comprises the steps of classifying and splitting unstructured data files, uploading second uplink information to a block chain network, summarizing, processing and comparing the second uplink information based on uplink information according to audit rules set by intelligent contracts of the block chain to obtain comparison results, uploading the comparison results to the block chain network, achieving audit process coordination, and achieving audit tracing processes.
And (3) the other: 1. the audit service cooperative work of the invention is realized by using the technical characteristics of the block chain (the characteristics of non-tampering, trace leaving in the whole process, traceability, collective maintenance, openness and transparency, etc.). The characteristics of the block chain can trace the transparent auditing result and the transparency of the auditing process of the general branch auditors.
2. Aiming at the processing of structured data documents in the auditing process of auditors, the structured data documents are split according to preset services, and the production efficiency is improved.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (13)
1. A block chain-based collaborative audit method is characterized by comprising the following steps:
the method comprises the steps that an audit node carries out uplink processing on an unstructured data file according to a preset uplink structure to obtain first uplink information, and the first uplink information is uploaded to a block chain network; the chain structure comprises a block head and a block body, wherein the block body comprises a file hash index field, an audit project information field and a hierarchy definition field, and the first uplink information comprises a corresponding file hash index, audit project information and hierarchy definition information;
the method comprises the steps that an audit node classifies unstructured data files according to a preset on-chain structure to obtain second uplink information, and the second uplink information is uploaded to a block chain network; the block body also comprises an audit classification item field;
and the audit node performs summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain to obtain a comparison result, and uploads the comparison result to the block chain network.
2. The block chain-based collaborative audit method according to claim 1 wherein the block body further includes a file paragraph header end value field and/or an audit tag amount information field; the second uplink information comprises file paragraph head and tail values and/or audit mark amount information;
the audit node classifies and splits the unstructured data files according to a preset on-chain structure to obtain second uplink information, and the method comprises the following steps:
and the audit node classifies the unstructured data files based on the audit classification items, performs character recognition on the classified and classified unstructured data files, and obtains file section head and tail values and/or audit mark amount information corresponding to the audit classification items.
3. The block chain-based collaborative audit method according to claim 1 wherein a block further includes an audit label entry field and an audit label content field;
further comprising:
and the audit node marks the audit condition of the unstructured data file according to a preset chain structure, acquires audit marking content information, and uploads an audit marking item and the audit marking content information to a block chain network.
4. The co-auditing method based on blockchain of claim 1 where the blockbody further includes an audit status field;
further comprising:
and the auditing node marks the auditing state of the auditing classification items in doubt in the unstructured data file according to a preset on-chain structure to obtain the in-doubt auxiliary mark information, and uploads the in-doubt auxiliary mark information to the block chain network.
5. The block chain-based collaborative audit method of claim 2 further comprising:
and the audit node carries out approval judgment on the audit marked amount information to obtain an approval judgment result, and uploads the approval judgment result to the block chain network.
6. The utility model provides a collaborative audit device based on block chain which characterized in that includes:
the system comprises an unstructured data file processing module, a block chain network and a block chain network, wherein the unstructured data file processing module is used for carrying out uplink processing on an unstructured data file according to a preset on-chain structure to obtain first uplink information and uploading the first uplink information to the block chain network; the chain structure comprises a block head and a block body, wherein the block body comprises a file hash index field, an audit project information field and a hierarchy definition field, and the first uplink information comprises a corresponding file hash index, audit project information and hierarchy definition information;
the audit service splitting module is used for classifying and splitting the unstructured data files according to a preset on-chain structure to obtain second uplink information and uploading the second uplink information to a block chain network; the block body also comprises an audit classification item field;
and the audit conclusion engine module is used for the audit node to perform summary processing comparison on the second uplink information based on the first uplink information according to an audit rule set by the intelligent contract of the block chain to obtain a comparison result, and uploading the comparison result to the block chain network.
7. The block chain-based collaborative audit device according to claim 6 wherein the block body further includes a file paragraph header end value field and/or an audit tag amount information field; the second uplink information comprises file paragraph head and tail values and/or audit mark amount information;
the audit service splitting module is specifically configured to:
classifying and splitting the unstructured data files based on the audit classification items, and performing character recognition on the classified and split unstructured data files to obtain file paragraph head and tail values and/or audit mark amount information corresponding to the audit classification items.
8. The block chain-based collaborative audit device according to claim 6 wherein a block further includes an audit label entry field and an audit label content field;
further comprising: and the audit approval judging module is used for marking the audit condition of the unstructured data file according to a preset chain structure, acquiring audit marking content information and uploading the audit marking item and the audit marking content information to the block chain network.
9. The co-auditing apparatus according to claim 6 that is block-chain based further comprising an audit status field;
further comprising: and the audit approval judging module is used for marking the audit state of the suspected audit classification items in the unstructured data files according to a preset on-chain structure, obtaining the suspected auxiliary marking information and uploading the suspected auxiliary marking information to the block chain network.
10. The block chain-based collaborative audit apparatus of claim 7 further comprising: and the audit approval judging module is used for carrying out approval judgment on the audit mark amount information to obtain an approval judging result and uploading the approval judging result to the block chain network.
11. A block chain based collaborative audit system, comprising: an audit node and a blockchain network;
the audit node and blockchain network is to: implementing the block chain based collaborative audit method of any of claims 1 to 5.
12. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the block chain based co-audit method of any one of claims 1 to 5 when executing the computer program.
13. A computer-readable storage medium storing a computer program for executing the block chain based collaborative audit method according to any one of claims 1 to 5.
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