CN113269571B - Enterprise credit information processing method and device based on block chain - Google Patents
Enterprise credit information processing method and device based on block chain Download PDFInfo
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Abstract
The invention discloses an enterprise credit information processing method and device based on a blockchain, and relates to the technical field of blockchains. When receiving a storage request of enterprise credit information, broadcasting the enterprise credit information on a alliance block chain by an authoritative node on the alliance block chain; when receiving enterprise credit information broadcast by the alliance block chain, verifying the broadcast enterprise credit information by a verification node on the alliance block chain; and after the verification node on the alliance block chain verifies the broadcasted enterprise credit information, storing the enterprise credit information on the alliance block chain. According to the invention, the enterprise credit information is stored through the alliance block chain encryption, the information island can be broken to realize the sharing of the enterprise credit information, and meanwhile, the enterprise credit information stored by the block chain nodes is synchronized to the alliance block chain, so that the safety and the comprehensiveness of the enterprise credit information can be improved.
Description
Technical Field
The invention relates to the technical field of blockchains, in particular to a method and a device for processing enterprise credit information based on blockchains.
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.
At present, enterprise credit information is distributed in a splitting way to financial institutions, government departments, public service institutions and the like which hold or not hold cards, credit information data among the institutions are stored independently, and the phenomenon of data island is caused. The credit data is a multi-dimensional data set, and when each organization evaluates the enterprise main body, the credit data stored by the organization has insufficient dimensionality, so that the evaluation result has great unilateral performance. Information splitting can, to some extent, result in a severe mismatch between corporate credit massive market demand and credit product service offerings. Therefore, to obtain a reasonable and fair evaluation result for the enterprise, credit information sharing of the enterprise main body needs to be realized among the institutions.
But using existing centralized data sharing modes presents a series of challenges and problems: firstly, in an open data sharing platform, the risk of tampering exists in the data transmission process, and the data security cannot be ensured; secondly, the attention degree of the traditional credit investigation system technical architecture to the user is low, the credit investigation information of the enterprise has the risk of being revealed, and the protection of the privacy information of the enterprise and the user is an important attention point of the credit investigation system. Once enterprise credit information is revealed, corresponding institutions need to bear legal risks such as user privacy invasion, business confidentiality and the like brought by the disclosure; third, current centralized systems store data in a specific central database, which is not accessible to each node once it is damaged, and the entire system is instantaneously paralyzed. In addition, in the centralized sharing mode, each organization cannot fully trust the manager of the central database and cannot upload own data with confidence.
Disclosure of Invention
The embodiment of the invention provides an enterprise credit information processing method based on a block chain, which is used for breaking an information island to realize sharing of enterprise credit information and improving the safety and the comprehensiveness of the enterprise credit information, and comprises the following steps of:
when receiving a storage request of enterprise credit information, an authoritative node on the alliance block chain broadcasts the enterprise credit information on the alliance block chain; each node on the alliance block chain is used as an authoritative node in turn;
when receiving enterprise credit information broadcast by the alliance block chain, verifying the broadcast enterprise credit information by a verification node on the alliance block chain; the verification node on the alliance block chain is a node except the authoritative node;
and after the verification node on the alliance block chain verifies the broadcasted enterprise credit information, storing the enterprise credit information on the alliance block chain.
The embodiment of the invention also provides an enterprise credit information processing device based on the block chain, which is used for breaking an information island to realize sharing of enterprise credit information and improving the safety and the comprehensiveness of the enterprise credit information, and comprises:
The storage broadcasting module is used for broadcasting the enterprise credit information on the alliance block chain by the authoritative node on the alliance block chain when receiving the storage request of the enterprise credit information; each node on the alliance block chain is used as an authoritative node in turn;
the storage verification module is used for verifying the broadcasted enterprise credit information by a verification node on the alliance block chain when the enterprise credit information broadcasted by the alliance block chain is received; the verification node on the alliance block chain is a node except the authoritative node;
and the credit information storage module is used for storing the enterprise credit information on the alliance block chain after the verification node on the alliance block chain verifies the broadcasted enterprise credit information.
The embodiment of the invention also provides computer equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the enterprise credit information processing method based on the block chain when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium which stores a computer program for executing the enterprise credit information processing method based on the blockchain.
In the embodiment of the invention, the authority node of the alliance block chain is used for broadcasting the storage request of the enterprise credit information, the verification node is used for verifying the storage request of the enterprise credit information, the enterprise credit information is stored on the alliance block chain after the verification is passed, the enterprise credit information is stored by the encryption of the alliance block chain, the information island can be broken to realize the sharing of the enterprise credit information, and meanwhile, the enterprise credit information stored by the block chain node is synchronized to the alliance block chain, so that the safety and the comprehensiveness of the enterprise credit information can be improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a flowchart illustrating an implementation of a method for processing enterprise credit information based on blockchain according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating an implementation of a method for processing enterprise credit information based on blockchain according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating a third exemplary embodiment of a blockchain-based enterprise credit information processing method;
FIG. 4 is a flowchart illustrating a block chain based enterprise credit information processing method according to a fourth embodiment of the present invention;
FIG. 5 is a flowchart illustrating a method for processing enterprise credit information based on blockchain according to a fifth embodiment of the present invention;
FIG. 6 is a functional block diagram of a block chain based enterprise credit information processing apparatus according to a sixth embodiment of the present invention;
FIG. 7 is a functional block diagram of a block chain based enterprise credit information processing apparatus according to a seventh embodiment of the present invention;
FIG. 8 is a functional block diagram of an enterprise credit information processing device based on blockchain according to an eighth embodiment of the present invention;
FIG. 9 is a functional block diagram of a blockchain-based enterprise credit information processing device according to a ninth embodiment of the present invention;
fig. 10 is a functional block diagram of an enterprise credit information processing device based on blockchain according to a tenth embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. The exemplary embodiments of the present invention and their descriptions herein are for the purpose of explaining the present invention, but are not to be construed as limiting the invention.
Technical term introduction:
the block chain is a chained data structure formed by sequentially connecting data blocks according to time sequence, and the distributed shared general ledger which cannot be tampered and counterfeited is ensured through cryptography. The block in the account book consists of a block head and a block body, wherein the block head encapsulates the information such as a previous block hash value, a current block hash value, a mining random number, difficulty, a time stamp, a Merkle tree and the like, and the block body comprises the transaction information of the current block. The hash value of the previous block is stored in the block header of each block, so that a chain structure is formed between the blocks. Blockchains can be divided into three major categories, public, alliance and private, according to the admission mechanism.
The alliance blockchain is generally used between alliance members or organizations, member nodes of the alliance blockchain can be added and withdrawn after being authorized, accounting rights and node maintenance rights are formulated by negotiations among the members participating in the alliance chain, the consensus process is also preset, transactions and rights on the chain are formulated according to alliance rules, and compared with the public chain, the online alliance blockchain has the advantages of high transaction speed and low operation cost.
The goal of the blockchain consensus algorithm is to satisfy consistency and validity of data held by all nodes in the distributed network. Common consensus algorithms are proof of work (PoW), proof of equity (PoS), authorized share certification mechanism (DPoS), and authoritative certification (proof of authority, poA), among others.
Smart contracts are essentially computer protocols that do not require a third party, can be automatically verified and automatically executed under preset conditions. From a technical point of view, an intelligent contract is a computer program that can automatically perform all or part of the contract-related operations while generating proof of verification to prove the validity of the execution results of the contract operations, and the process does not require human intervention.
Fig. 1 shows a flow of implementing the method for processing enterprise credit information based on blockchain according to the first embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, which is described in detail below:
as shown in fig. 1, the enterprise credit information processing method based on the blockchain includes:
step 101, when receiving a storage request of enterprise credit information, an authoritative node on a alliance block chain broadcasts the enterprise credit information on the alliance block chain; each node on the alliance block chain is used as an authoritative node in turn;
step 102, when receiving enterprise credit information broadcast by the alliance block chain, verifying the broadcast enterprise credit information by a verification node on the alliance block chain; the verification node on the alliance block chain is a node except the authoritative node;
Step 103, after the verification node on the alliance block chain verifies the broadcasted enterprise credit information, the enterprise credit information is stored on the alliance block chain.
And a alliance block chain is formed between enterprise credit data storage mechanisms, each mechanism corresponds to one node on the alliance block chain, digital identity information of each mechanism is stored on the alliance block chain, and consistency of information storage of each node is ensured by using a consensus algorithm facing to an enterprise credit data sharing platform. Each organization stores enterprise credit information in the alliance chain system, so that cross-domain sharing of the enterprise credit information is realized.
The alliance blockchain is built based on a Taifang platform, an intelligent contract and an authority proof consensus mechanism, and a point-to-point communication mode is adopted among all blockchain nodes on the alliance blockchain.
In designing the federated blockchain, embodiments of the present invention employ a PoA-based consensus algorithm. In the initial stage, designating each credit information data storage mechanism as an authoritative node of the system and taking charge of alternately packaging to generate blocks; each credit investigation enterprise is a verification node and is responsible for verifying the correctness of the generated block.
The federated blockchain system is designed based on PoA consensus algorithm. Firstly, designating each credit data storage mechanism as an authoritative node of a alliance block chain system in an initial stage, and taking charge of alternately packaging to generate blocks; each credit enterprise is a verification node of the alliance block chain and is responsible for verifying the correctness of the generated block.
The basic workflow of PoA consensus algorithm in the coalition chain is as follows:
(1) When building the alliance block chain, a creator designates a group of authority nodes signs in the creation block according to a set rule (such as random selection and designation) as initial authority nodes;
(2) After the alliance block chain starts mining, the generated blocks are signed and broadcasted by the signers appointed in the step (1) in turn;
(3) When a node on the alliance block chain receives a new block, calculating the address of the new block according to the signature of the authentication node in the block head, verifying whether the node is an authorized node or not, and if the node has the authority of the signature in the round, determining that the block is a legal block;
(4) After the members and the number of the signs are changed, the address of the current highly authorized signs in the creation block is updated in time, and new authorized nodes are added or illegal nodes are removed in a new round of billing.
Essentially, a smart contract is a computer protocol that does not require a third party, can be automatically verified, and automatically executed under preset conditions. The operating principle of the intelligent contract is as follows: and (3) packaging triggering conditions (such as specific time, specific operation and the like) of contract operation, operation rules, corresponding results (such as outputting a result 1 and executing an operation 2 to obtain a result 2 if the condition 1 is met) and the like under each condition in the intelligent contract, signing the contract by each participant, attaching the intelligent contract to the blockchain data in the form of codes after signing, and storing the intelligent contract in the blockchain network after passing through a miner packing verification block in the distributed network. The blockchain system monitors the state change of the intelligent contract in real time, automatically executes the contract after detecting the triggering condition and executes the corresponding operation according to the operation rule.
And designing an intelligent contract to store enterprise credit investigation data, and when a credit investigation organization initiates a request, judging whether the current alliance block chain system has the same data or not. If yes, refusing to store enterprise credit data to the alliance blockchain, and if not, storing the data to the alliance blockchain system.
Therefore, when the enterprise credit information is stored by utilizing the alliance block chain, a certain block chain link transmits a storage request of the enterprise credit information, and after receiving the storage request of the enterprise credit information transmitted by the block chain node, an authority node on the alliance block chain broadcasts the enterprise credit information on the alliance block chain. And then, the verification node on the alliance block chain verifies the broadcasted enterprise credit information, and after the verification is passed, the enterprise credit information is stored on the alliance block chain. The enterprise credit information is stored through the alliance block chain, the information island can be broken to realize the sharing of the enterprise credit information, and meanwhile, the enterprise credit information stored by the block chain nodes is synchronized to the alliance block chain, so that the safety and the comprehensiveness of the enterprise credit information can be improved.
In the embodiment of the invention, the authority node of the alliance blockchain broadcasts the storage request of the enterprise credit information, the verification node verifies the storage request of the enterprise credit information, the enterprise credit information is stored on the alliance blockchain after the verification is passed, the enterprise credit information is stored through the alliance blockchain, the information island can be broken to realize the sharing of the enterprise credit information, and meanwhile, the enterprise credit information stored by the blockchain node is synchronized to the alliance blockchain, so that the safety and the comprehensiveness of the enterprise credit information can be improved.
Fig. 2 shows a flow of implementation of the enterprise credit information processing method based on the blockchain according to the second embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, which is described in detail below:
in an embodiment of the present invention, in order to improve security of blockchain node registration, as shown in fig. 2, based on the steps of the method shown in fig. 1, the blockchain-based enterprise credit information processing method further includes:
step 201, when a node registration request of a credit investigation enterprise system is received, an authoritative node on a alliance block chain broadcasts the node registration request on the alliance block chain;
step 202, when a node registration request broadcast by a alliance block chain is received, verifying the broadcast node registration request by a verification node on the alliance block chain;
step 203, after the verification node on the alliance blockchain verifies the broadcasted node registration request, the credit investigation enterprise system is added to the alliance blockchain as a blockchain link point, so as to generate a node identifier of the credit investigation enterprise system, and corresponding data storage permission and/or data access permission are allocated.
The intelligent contract is designed to realize the registration of enterprises and credit investigation institutions. During registration, each registration organization is assigned an ID as a unique identification of the organization, and corresponding rights are assigned according to the identity of the organization.
Therefore, when the credit investigation enterprise system registers as a newly added node of the alliance blockchain, a certain credit investigation enterprise system sends a node registration request, and after the node registration request sent by the credit investigation enterprise system is received, an authoritative node on the alliance blockchain broadcasts the node registration request sent by the credit investigation enterprise system on the alliance blockchain. And then, verifying the broadcasted node registration request by a verification node on the alliance block chain, adding the credit investigation enterprise system as a block chain link point to the alliance block chain after the verification is passed, further generating a node identification of the credit investigation enterprise system, and distributing corresponding data storage authority and/or data access authority and the like.
In the embodiment of the invention, the node registration request is broadcast on the alliance block chain through the authoritative node, the broadcast node registration request is verified through the verification node, the credit investigation enterprise system is used as the block chain link point to be added on the alliance block chain after the verification is passed, meanwhile, the node identification of the credit investigation enterprise system is further generated, and the corresponding data storage authority and/or data access authority are distributed, so that the security of the block chain link point registration can be improved.
Fig. 3 shows a flow of implementation of the enterprise credit information processing method based on the blockchain according to the third embodiment of the present invention, and for convenience of description, only the parts related to the embodiments of the present invention are shown, which are described in detail below:
in an embodiment of the present invention, in order to improve security of enterprise credit data query, as shown in fig. 3, based on the above method steps, the method for processing enterprise credit information based on blockchain further includes:
step 301, when an enterprise credit data query request sent by a blockchain node is received, broadcasting the enterprise credit data query request on the blockchain of the federation by an authoritative node on the blockchain of the federation;
step 302, when receiving an enterprise credit data query request broadcast by a alliance block chain, verifying the broadcast enterprise credit data query request by a verification node on the alliance block chain;
step 303, after the verification node on the alliance block chain verifies the broadcasted enterprise credit information inquiry request, applying access rights to the block link point to be inquired;
and step 304, when the block chain link points to be queried agree to access, feeding back the data query result of the block chain nodes agreeing to access in the block chain nodes to be queried to the block chain nodes which send enterprise credit data query requests.
And designing an intelligent contract to realize the inquiry of enterprise credit investigation data. When a request party sends out a query request, access rights are required to be applied to a corresponding enterprise, if the enterprise agrees, data from each data storage party are queried in the system, and otherwise, checking is refused.
Therefore, when the credit investigation enterprise system inquires enterprise credit investigation data, a certain credit investigation enterprise system (alliance block chain node) sends an enterprise credit investigation data inquiry request, and after receiving the enterprise credit investigation data inquiry request sent by the credit investigation enterprise system, an authority node on the alliance block chain broadcasts the enterprise credit investigation data inquiry request sent by the credit investigation enterprise system on the alliance block chain. And then, verifying the broadcasted enterprise credit information data query request by a verification node on the alliance block chain, and applying access rights to the block chain link point to be queried after the verification is passed. The blockchain node to be queried may or may not grant access. When the block chain link point to be queried grants access, feeding back a data query result of the block chain node which grants access in the block chain node to be queried to the block chain node which sends the enterprise credit data query request; and the blockchain nodes that do not grant access refuse to feed back the query result. Through the verification and the authority application, the security of enterprise credit investigation data query is improved.
In the embodiment of the invention, the enterprise credit data query request is broadcasted through the authoritative node, the broadcasted enterprise credit data query request is verified through the verification node, the access authority is applied to the block chain link point to be queried after the verification is passed, and finally the data query result of the block chain node which agrees to access in the block chain node to be queried is fed back to the block chain node which sends the enterprise credit data query request, so that the security of enterprise credit data query can be improved.
Fig. 4 shows a flow of implementation of the enterprise credit information processing method based on blockchain according to the fourth embodiment of the present invention, and for convenience of description, only the parts related to the embodiments of the present invention are shown, which are described in detail below:
in an embodiment of the present invention, in order to improve reliability of the blockchain node, as shown in fig. 4, based on the steps of the method, the method for processing enterprise credit information based on blockchain further includes:
step 401, broadcasting the role adjustment request for the current blockchain node on the alliance blockchain when the role adjustment request for the current blockchain node is received;
step 402, when a role adjustment request broadcast by a alliance block chain is received, each node except the current block chain node on the alliance block chain verifies the broadcast role adjustment request;
Step 403, after each node except the current blockchain node on the alliance blockchain passes the verification of the broadcasted role adjustment request, adjusting the current blockchain node from the authority node to the verification node, or adjusting the current blockchain node from the verification node to the authority node.
In the running process of the alliance blockchain system, the authority of each node is adjusted according to the working condition of the node, and if the verification node of the alliance blockchain is good in performance and has no illegal behavior, the authority of the verification node can be adjusted to an authoritative node when a certain standard is reached; if the authoritative node of the alliance blockchain has malicious packaging behavior, the authoritative node is subjected to degradation processing, and the authoritative node is adjusted to be a verification node.
Therefore, when the role adjustment needs to be performed on the current blockchain node, a role adjustment request aiming at the current blockchain node is received, and then the alliance blockchain broadcasts the role adjustment request aiming at the current blockchain node on the alliance blockchain; and each node except the current blockchain node on the alliance blockchain verifies the broadcasted role adjustment request, and after the verification is passed, the current blockchain node is adjusted to be a verification node from an authoritative node or the current blockchain node is adjusted to be an authoritative node from the verification node according to the role adjustment request, so that the reliability of the blockchain node is improved.
In the embodiment of the invention, the role adjustment request aiming at the current blockchain node is broadcasted on the alliance blockchain, and each node except the current blockchain node on the alliance blockchain verifies the broadcasted role adjustment request; after verification, the roles of the link points of the current block are adjusted, so that the reliability of the block chain node can be improved.
Fig. 5 shows a flow of implementing the blocking-chain-based enterprise credit information processing method according to the fifth embodiment of the present invention, and for convenience of description, only the parts related to the embodiments of the present invention are shown, which are described in detail below:
in an embodiment of the present invention, in order to improve the security of enterprise credit information, as shown in fig. 5, based on the steps of the method, the method for processing enterprise credit information based on blockchain further includes:
step 501, broadcasting the authority configuration request for the current blockchain node on the alliance blockchain when the authority configuration request for the current blockchain node is received;
step 502, when receiving a request for configuring the authority of the broadcast of the alliance block chain, each node except the current block chain node on the alliance block chain verifies the request for configuring the authority of the broadcast;
Step 503, after each node except the current blockchain node on the alliance blockchain passes the verification of the broadcast authority configuration request, configuring one or more of the block packaging authority, the block verification authority and the data access authority of the current blockchain node.
The enterprise credit information data storage mechanism has the authority of storing data; the enterprise has access right control right, and when the access system acquires credit investigation data of the enterprise, a visitor needs to obtain an authorized party of the enterprise to check; the visitor to the corporate credit information has only the right to view the data when authorized.
Thus, when the authority configuration is performed for the current blockchain node, receiving an authority configuration request for the current blockchain node, and then broadcasting the authority configuration request for the current blockchain node on the alliance blockchain by the alliance blockchain; and each node except the current block chain node on the alliance block chain verifies the broadcast authority configuration request, and the authority of the current block chain node is configured after verification is passed. The authority of the configured current blockchain node mainly comprises one or more of the following: block packing rights, block verification rights, data access rights, and the like.
In the embodiment of the invention, the authority configuration request for the current blockchain node is broadcasted on the alliance blockchain; each node except the current block chain node on the alliance block chain verifies the broadcast authority configuration request; after verification is passed, the authority of the current blockchain node is configured, so that the security of enterprise credit investigation data can be improved.
The embodiment of the invention also provides an enterprise credit information processing device based on the blockchain, as described in the following embodiment. Because the principle of solving the problems of the devices is similar to that of the enterprise credit information processing method based on the blockchain, the implementation of the devices can be referred to the implementation of the method, and the repetition is omitted.
Fig. 6 shows functional modules of the block-chain-based enterprise credit information processing apparatus according to the sixth embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiments of the present invention are shown in detail as follows:
referring to fig. 6, each module included in the blockchain-based enterprise credit information processing device is configured to execute each step in the corresponding embodiment of fig. 1, and specifically please refer to fig. 1 and the related description in the corresponding embodiment of fig. 1, which are not repeated herein. In the embodiment of the invention, the enterprise credit information processing device based on the blockchain comprises a storage broadcasting module 601, a storage verifying module 602 and a credit storage module 603.
The storage broadcasting module 601 is configured to, when receiving a storage request of enterprise credit information, broadcast the enterprise credit information on the federation blockchain by an authoritative node on the federation blockchain; the nodes on the federated blockchain are in turn authoritative nodes.
The storage verification module 602 is configured to, when receiving enterprise credit information broadcast by the alliance blockchain, verify the broadcast enterprise credit information by a verification node on the alliance blockchain; the validation nodes on the federated blockchain are nodes other than authoritative nodes.
And the credit information storage module 603 is configured to store the enterprise credit information on the alliance blockchain after the verification node on the alliance blockchain verifies the broadcasted enterprise credit information.
The alliance blockchain is built based on a Taifang platform, an intelligent contract and an authority proof consensus mechanism, and a point-to-point communication mode is adopted among all blockchain nodes on the alliance blockchain.
In the embodiment of the invention, the storage broadcast module 601 broadcasts the storage request of the enterprise credit information through the authoritative node of the alliance block chain, the storage verification module 602 verifies the storage request of the enterprise credit information through the verification node, the credit storage module 603 stores the enterprise credit information on the alliance block chain after the verification is passed, the enterprise credit information is stored through the alliance block chain, the information island can be broken to realize the sharing of the enterprise credit information, and meanwhile, the enterprise credit information stored by the block chain node is synchronized to the alliance block chain, so that the safety and the comprehensiveness of the enterprise credit information can be improved.
Fig. 7 shows functional modules of the block-chain-based enterprise credit information processing apparatus according to the seventh embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiments of the present invention are shown, and the details are as follows:
in an embodiment of the present invention, in order to improve the security of the blockchain node registration, referring to fig. 7, each module included in the blockchain-based enterprise credit information processing device is configured to execute each step in the corresponding embodiment of fig. 2, and specifically please refer to fig. 2 and the related description in the corresponding embodiment of fig. 2, which are not repeated herein. In the embodiment of the present invention, based on the above functional modules, the enterprise credit information processing device based on blockchain further includes a registration broadcast module 701, a registration verification module 702, and a node registration module 703.
The registration broadcast module 701 is configured to, when receiving a node registration request of the credit enterprise system, broadcast the node registration request on the federation blockchain by an authoritative node on the federation blockchain.
The registration verification module 702 is configured to, when receiving a node registration request broadcast by a federated blockchain, verify the broadcast node registration request by a verification node on the federated blockchain.
The node registration module 703 is configured to, after the verification node on the federation blockchain verifies the broadcasted node registration request, add the credit investigation enterprise system as a blockchain link point to the federation blockchain, generate a node identifier of the credit investigation enterprise system, and allocate a corresponding data storage authority and/or data access authority.
In the embodiment of the invention, the registration broadcast module 701 broadcasts the node registration request on the alliance blockchain through the authoritative node, the registration verification module 702 verifies the broadcasted node registration request through the verification node, the node registration module 703 adds the credit enterprise system as the blockchain point to the alliance blockchain after the verification is passed, and meanwhile, the node identification of the credit enterprise system is further generated, the corresponding data storage authority and/or data access authority are distributed, and the security of the blockchain point registration can be improved.
Fig. 8 shows functional modules of the block chain-based enterprise credit information processing apparatus according to the eighth embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiments of the present invention are shown in detail as follows:
in an embodiment of the present invention, in order to improve the security of enterprise credit information query, referring to fig. 8, each module included in the blockchain-based enterprise credit information processing device is configured to execute each step in the corresponding embodiment of fig. 3, and specifically please refer to fig. 3 and the related description in the corresponding embodiment of fig. 3, which are not repeated herein. In the embodiment of the present invention, based on the above module structure, the enterprise credit information processing device based on the blockchain further includes a query broadcasting module 801, a query verification module 802, a permission application module 803, and a query result feedback module 804.
And the query broadcasting module 801 is configured to, when receiving an enterprise credit data query request sent by a blockchain node, broadcast the enterprise credit data query request on the blockchain of the federation by an authoritative node on the blockchain of the federation.
The query verification module 802 is configured to, when receiving an enterprise credit data query request broadcast by the federated blockchain, verify the broadcast enterprise credit data query request by a verification node on the federated blockchain.
And the permission application module 803 is used for applying access permission to the link point of the block to be queried after the verification node on the alliance block chain verifies the broadcasted enterprise credit investigation data query request.
And the query result feedback module 804 is configured to, when the block chain link points to be queried agree to access, feed back the data query result of the block chain node that agrees to access in the block chain nodes to be queried to the block chain node that sends the enterprise credit data query request.
In the embodiment of the invention, the query broadcasting module 801 broadcasts the enterprise credit investigation data query request through the authoritative node, the query verification module 802 verifies the broadcast enterprise credit investigation data query request through the verification node, the authority application module 803 applies access authorities to the block chain link points to be queried after the verification is passed, and finally the query result feedback module 804 feeds back the data query result of the block chain node which agrees to access in the block chain nodes to be queried to the block chain node which sends the enterprise credit investigation data query request, so that the security of enterprise credit investigation data query can be improved.
Fig. 9 shows functional modules of a block-chain-based enterprise credit information processing apparatus according to a ninth embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiments of the present invention are shown, and the details are as follows:
in an embodiment of the present invention, in order to improve the reliability of the blockchain node, referring to fig. 9, each module included in the blockchain-based enterprise credit information processing device is configured to execute each step in the corresponding embodiment of fig. 4, and specifically please refer to fig. 4 and the related description in the corresponding embodiment of fig. 4, which are not repeated herein. In the embodiment of the present invention, the enterprise credit information processing device based on the blockchain further includes a role adjustment broadcasting module 901, a role adjustment verifying module 902 and a role adjustment module 903.
The role adjustment broadcast module 901 is configured to broadcast, when receiving a role adjustment request for a current blockchain node, the role adjustment request for the current blockchain node on the federated blockchain.
And the role adjustment verification module 902 is configured to, when receiving a role adjustment request broadcast by the federated blockchain, verify the broadcast role adjustment request by each node except the current blockchain node on the federated blockchain.
The role adjustment module 903 is configured to adjust, after each node except the current blockchain node on the blockchain of the federation verifies the broadcasted role adjustment request, the current blockchain node from the authoritative node to the verification node, or adjust the current blockchain node from the verification node to the authoritative node.
In the embodiment of the invention, a role adjustment broadcast module 901 broadcasts a role adjustment request for a current blockchain node on a alliance blockchain, and a role adjustment verification module 902 verifies the broadcasted role adjustment request by each node except the current blockchain node on the alliance blockchain; after verification, the role adjustment module 903 adjusts the role of the current block link point, so that the reliability of the block link node can be improved.
Fig. 10 shows functional modules of the blockchain-based enterprise credit information processing device according to the tenth embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiments of the present invention are shown, and the details are as follows:
in an embodiment of the present invention, in order to improve the security of the enterprise credit information, referring to fig. 10, each module included in the blockchain-based enterprise credit information processing device is configured to execute each step in the corresponding embodiment of fig. 5, and specifically please refer to fig. 5 and the related description in the corresponding embodiment of fig. 5, which are not repeated herein. In the embodiment of the present invention, based on the above functional modules, the enterprise credit information processing device based on the blockchain further includes a permission configuration broadcast module 1001, a permission configuration verification module 1002, and a permission configuration module 1003.
The authority configuration broadcast module 1001 is configured to broadcast, when receiving an authority configuration request for a current blockchain node, the authority configuration request for the current blockchain node on the coalition blockchain.
And the authority configuration verification module 1002 is configured to, when receiving an authority configuration request broadcast by the alliance blockchain, verify the broadcast authority configuration request by each node except the current blockchain node on the alliance blockchain.
And the authority configuration module 1003 is configured to configure one or more of block packaging authority, block verification authority and data access authority of the current blockchain node after each node except the current blockchain node on the alliance blockchain passes the verification of the broadcast authority configuration request.
In the embodiment of the present invention, the authority configuration broadcast module 1001 broadcasts an authority configuration request for a current blockchain node on the alliance blockchain; the authority configuration verification module 1002 is configured to verify the broadcasted authority configuration request by each node except the current blockchain node on the alliance blockchain; after the verification is passed, the authority configuration module 1003 configures the authority of the current blockchain node, so that the security of enterprise credit data can be improved.
The embodiment of the invention also provides computer equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the enterprise credit information processing method based on the block chain when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium which stores a computer program for executing the enterprise credit information processing method based on the blockchain.
The enterprise credit information processing method and device based on the blockchain can be applied to the financial field and can also be applied to other application fields except the financial field, and the embodiment of the invention is not particularly limited.
The technical personnel in the embodiment of the invention need to realize: an enterprise credit investigation data sharing platform-oriented consensus algorithm design; building a alliance chain of enterprise data sharing on an Ethernet platform; writing registration contracts of enterprises and credit investigation institutions; writing enterprise credit investigation data storage contracts; writing enterprise credit information inquiry contracts and the like.
And (3) designing a consensus algorithm: selecting a central authority node from the system according to rules to grant accounting rights, and enabling the authority node to be responsible for packaging the block; and selecting the verification node to grant the verification right, and enabling the verification node to be responsible for verifying the block, so as to ensure the consistency of information storage of each node in the system.
Building a alliance chain platform: building a coalition chain platform for sharing enterprise credit investigation data on the Ethernet platform based on a consensus algorithm designed by a consensus algorithm design module;
the enterprise registers with the credit bureau: the identity registration of each organization on the alliance block chain is realized.
Enterprise credit data storage: each credit information storage mechanism synchronizes the respective data to the blockchain system.
Enterprise credit information inquiry: and the visitor of the enterprise credit information obtains access rights after obtaining the authorization of the corresponding enterprise, and inquires the credit information of the enterprise in the blockchain system.
Performing authority grading distribution aiming at different roles of nodes in the system, distributing higher authorities to institutions with higher credibility, such as enterprises with higher credibility, such as government institutions, public service institutions, financial institutions and the like, with good credibility, and distributing authorities of packaging blocks to the institutions; the credit investigation enterprises in the system are fixed, and the authorities of the verification blocks are allocated to the credit investigation enterprises. Meanwhile, a mechanism for adjusting the authority of the system according to the performance of the system is set, each mechanism is encouraged to work actively, malicious vandalism is reduced, and the design is helpful for guaranteeing the system to run stably and safely.
The invention mainly provides an enterprise credit information sharing scheme based on technologies such as a blockchain, an intelligent contract, a hash algorithm and the like, and the current 'information island' state is broken through by using the blockchain technology, so that information intercommunication among enterprise credit data storage mechanisms is realized. By designing a decentralised enterprise credit data sharing system, each organization can comprehensively know the credit condition of the enterprise in multiple dimensions, and a reasonable and fair evaluation result of the enterprise is obtained. The combination of encryption technology of the alliance blockchain and digital signature technology ensures that malicious nodes cannot impersonate legal nodes on the chain to store data, thereby ensuring that the data stored on the chain is not falsifiable, and simultaneously realizing the protection of enterprise privacy information by encrypting enterprise credit data.
The alliance blockchain in the invention adopts a distributed data storage mode to store data, a trusted third party entity is not needed to be relied on, and each blockchain node can store data, so that the risk of system paralysis caused by malicious attack to a database in a centralized storage mode is avoided. The consensus algorithm used by the invention is designed based on the PoA consensus algorithm, and when a data storage request exists in the alliance block chain system, authority nodes can carry out public inspection and verification, so that the validity and rationality of stored data are ensured, and the access control contract realizes the protection of enterprise privacy information. Therefore, the decentralised credit investigation data sharing model is beneficial to data sharing, and effectively solves the problem of 'information island', so that each institution can comprehensively know credit investigation conditions of enterprises in multiple dimensions, and reasonable and fair evaluation results of the enterprises are obtained.
In summary, in the embodiment of the invention, the authority node of the alliance blockchain broadcasts the storage request of the enterprise credit information, the verification node verifies the storage request of the enterprise credit information, the enterprise credit information is stored on the alliance blockchain after the verification is passed, the enterprise credit information is stored through the alliance blockchain, the information island can be broken to realize the sharing of the enterprise credit information, and meanwhile, the enterprise credit information stored by the blockchain node is synchronized to the alliance blockchain, so that the safety and the comprehensiveness of the enterprise credit information can be improved.
It will be appreciated by those skilled in the art that 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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (11)
1. The enterprise credit information processing method based on the block chain is characterized by comprising the following steps of:
when receiving a storage request of enterprise credit information, an authoritative node on the alliance block chain broadcasts the enterprise credit information on the alliance block chain; each node on the alliance block chain is used as an authoritative node in turn;
when receiving enterprise credit information broadcast by the alliance block chain, verifying the broadcast enterprise credit information by a verification node on the alliance block chain; the verification node on the alliance block chain is a node except the authoritative node;
after the verification node on the alliance block chain verifies the broadcasted enterprise credit information, the enterprise credit information is stored on the alliance block chain;
further comprises:
broadcasting the role adjustment request for the current blockchain node on the alliance blockchain when the role adjustment request for the current blockchain node is received;
when a role adjustment request broadcast by the alliance block chain is received, each node except the current block chain node on the alliance block chain verifies the broadcast role adjustment request;
and after each node except the current blockchain node on the alliance blockchain passes the verification of the broadcast role adjustment request, adjusting the current blockchain node from the authority node to the verification node or adjusting the current blockchain node from the verification node to the authority node.
2. The method for processing enterprise credit information based on block chains according to claim 1, wherein the alliance block chains are established based on a Taifang platform, an intelligent contract and an authority proof consensus mechanism, and a point-to-point communication mode is adopted among all block chain nodes on the alliance block chains.
3. The blockchain-based enterprise credit information processing method of claim 1, further comprising:
when a node registration request of a credit investigation enterprise system is received, an authoritative node on the alliance block chain broadcasts the node registration request on the alliance block chain;
when receiving a node registration request broadcast by the alliance block chain, verifying the broadcast node registration request by a verification node on the alliance block chain;
after the verification node on the alliance block chain verifies the broadcasted node registration request, the credit investigation enterprise system is used as a block chain link point to be added to the alliance block chain, the node identification of the credit investigation enterprise system is generated, and the corresponding data storage authority and/or data access authority are allocated.
4. The blockchain-based enterprise credit information processing method of claim 1, further comprising:
When receiving an enterprise credit investigation data query request sent by a blockchain node, an authority node on the alliance blockchain broadcasts the enterprise credit investigation data query request on the alliance blockchain;
when receiving an enterprise credit data query request broadcast by the alliance block chain, a verification node on the alliance block chain verifies the broadcast enterprise credit data query request;
after the verification node on the alliance block chain verifies the broadcasted enterprise credit information inquiry request, applying access rights to the block link point to be inquired;
and when the block chain link point to be queried agrees to access, feeding back a data query result of the block chain node which agrees to access in the block chain node to be queried to the block chain node which sends the enterprise credit data query request.
5. The blockchain-based enterprise credit information processing method of claim 1, further comprising:
broadcasting the authority configuration request for the current blockchain node on the alliance blockchain when the authority configuration request for the current blockchain node is received;
when receiving the authority configuration request broadcast by the alliance block chain, each node except the current block chain node on the alliance block chain verifies the broadcast authority configuration request;
After each node except the current block chain node on the alliance block chain passes the verification of the broadcast authority configuration request, one or more authorities of block packing authorities, block verification authorities and data access authorities of the current block chain node are configured.
6. An enterprise credit information processing device based on a blockchain is characterized by comprising:
the storage broadcasting module is used for broadcasting the enterprise credit information on the alliance block chain by the authoritative node on the alliance block chain when receiving the storage request of the enterprise credit information; each node on the alliance block chain is used as an authoritative node in turn;
the storage verification module is used for verifying the broadcasted enterprise credit information by a verification node on the alliance block chain when the enterprise credit information broadcasted by the alliance block chain is received; the verification node on the alliance block chain is a node except the authoritative node;
the credit information storage module is used for storing the enterprise credit information on the alliance block chain after the verification node on the alliance block chain verifies the broadcasted enterprise credit information;
further comprises:
the role adjustment broadcasting module is used for broadcasting the role adjustment request for the current blockchain node on the alliance blockchain when the role adjustment request for the current blockchain node is received;
The role adjustment verification module is used for verifying the broadcasted role adjustment request by each node except the current blockchain node on the alliance blockchain when the role adjustment request broadcasted by the alliance blockchain is received;
and the role adjustment module is used for adjusting the current blockchain node from the authoritative node to the verification node or adjusting the current blockchain node from the verification node to the authoritative node after each node except the current blockchain node on the alliance blockchain passes the verification of the broadcasted role adjustment request.
7. The enterprise credit information processing apparatus based on block chain as claimed in claim 6, wherein the alliance block chain is an alliance block chain built based on an ethernet platform, an intelligent contract and an authority proof consensus mechanism, and a point-to-point communication mode is adopted between each block chain node on the alliance block chain.
8. The blockchain-based enterprise credit information processing device of claim 6, further comprising:
the registration broadcasting module is used for broadcasting the node registration request on the alliance block chain by the authoritative node on the alliance block chain when the node registration request of the credit investigation enterprise system is received;
The registration verification module is used for verifying the broadcasted node registration request by a verification node on the alliance block chain when the node registration request broadcasted by the alliance block chain is received;
and the node registration module is used for adding the credit investigation enterprise system as a block chain link point to the alliance block chain after the verification node on the alliance block chain verifies the broadcasted node registration request, generating a node identifier of the credit investigation enterprise system and distributing corresponding data storage permission and/or data access permission.
9. The blockchain-based enterprise credit information processing device of claim 6, further comprising:
the query broadcasting module is used for broadcasting the enterprise credit investigation data query request on the alliance block chain by the authority node on the alliance block chain when the enterprise credit investigation data query request sent by the block chain node is received;
the query verification module is used for verifying the broadcasted enterprise credit investigation data query request by a verification node on the alliance block chain when the enterprise credit investigation data query request broadcasted by the alliance block chain is received;
the authority application module is used for applying access authority to the link points of the block to be queried after the verification node on the alliance block chain verifies the broadcasted enterprise credit information inquiry request;
And the query result feedback module is used for feeding back the data query result of the block chain node which is agreed to access in the block chain nodes to be queried to the block chain node which sends the enterprise credit data query request when the block chain node to be queried agrees to access.
10. 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 blockchain-based enterprise credit information processing method of any of claims 1 to 5 when the computer program is executed.
11. A computer readable storage medium storing a computer program executable by a computer to implement the method of any one of claims 1 to 5.
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