CN115511595A - Service execution method and device based on block chain - Google Patents
Service execution method and device based on block chain Download PDFInfo
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- CN115511595A CN115511595A CN202211064071.9A CN202211064071A CN115511595A CN 115511595 A CN115511595 A CN 115511595A CN 202211064071 A CN202211064071 A CN 202211064071A CN 115511595 A CN115511595 A CN 115511595A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
- G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine
Abstract
The block chain service platform can call a wind control logic in an intelligent contract to perform wind control processing on asset data after the financing party stores the asset data on a block chain, so that a financing accepting party can perform financing processing on the asset data based on a wind control processing result, and on the other hand, the financing accepting party can perform wind control processing on the asset data of the financing party stored on the block chain based on the intelligent contract after receiving a financing request of the financing party and perform financing processing on the asset data based on the wind control processing result. The asset data is automatically subjected to wind control processing through the intelligent contract, accuracy and effectiveness of a wind control result are guaranteed, time consumed by business is reduced, business execution efficiency is greatly improved, and the whole process is transparent and credible.
Description
Technical Field
The present disclosure relates to the field of computer technologies, and in particular, to a method and an apparatus for performing a service based on a block chain.
Background
When an enterprise executes some services, the enterprise needs to apply for credit to related service parties so as to acquire resources from the service parties to support the execution of the services. For a business party, for an enterprise initiating a credit application, the business party needs to evaluate and risk control the enterprise to further make a decision on the credit application (e.g., whether to pass the application, the amount of resources provided to the enterprise, the credit deadline, etc.).
At present, an effective method for performing the wind control processing is still lacking, and a service execution method based on a block chain is provided based on this specification.
Disclosure of Invention
The present specification provides a service execution method and apparatus based on a block chain, so as to partially solve the above problems in the prior art.
The technical scheme adopted by the specification is as follows:
the present specification provides a service execution method based on a blockchain, which is applied to a blockchain service platform, where the blockchain deploys an intelligent contract for performing wind control processing on asset data certified on the blockchain, and the method includes:
determining whether asset data issued by a financing party is certified on the blockchain;
and responding to the fact that the asset data issued by the financing party is stored on the block chain, calling a wind control logic contained in the intelligent contract, and performing wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract, so that when the financing acceptor obtains a result of the wind control processing, the financing processing is performed on the asset data based on the result of the wind control processing.
The present specification provides a service execution method based on a block chain, which is applied to a server corresponding to a financing accepting party, where the block chain deploys an intelligent contract for performing wind control processing on asset data stored on the block chain, and the method includes:
receiving a financing request sent by a financing party; wherein the financing request comprises a data identifier corresponding to asset data certified on the blockchain;
responding to the financing request, calling wind control logic contained in the intelligent contract, and carrying out wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract;
and acquiring the result of the wind control processing, and carrying out financing processing on the asset data based on the acquired result of the wind control processing.
The specification provides a service execution device based on a block chain, which is applied to a block chain service platform, wherein the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the device comprises:
a determining module, configured to determine whether asset data issued by an information aggregator exists on the blockchain;
and the wind control module is used for responding to the fact that the asset data issued by the financing party is stored on the block chain, calling wind control logic contained in the intelligent contract, and performing wind control processing on the asset data based on wind control rules in a wind control rule base maintained by the intelligent contract, so that when the financing acceptance party obtains a result of the wind control processing, the financing acceptance party performs financing processing on the asset data based on the result of the wind control processing.
The specification provides a service execution device based on a block chain, which is applied to a server corresponding to a financing accepting party, wherein the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the device comprises:
the receiving module is used for receiving a financing request sent by a financing party; wherein the financing request comprises a data identifier corresponding to asset data certified on the blockchain;
the wind control module is used for responding to the financing request, calling wind control logic contained in the intelligent contract and carrying out wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract;
and the processing module is used for acquiring the result of the wind control processing and carrying out financing processing on the asset data based on the acquired result of the wind control processing.
The present specification provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the above-described block chain based service execution method.
The present specification provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the program, the processor implements the above service execution method based on the block chain.
The technical scheme adopted by the specification can achieve the following beneficial effects:
in the service execution method based on the blockchain provided in this specification, the blockchain service platform may invoke the wind control logic in the intelligent contract to perform the wind control processing on the asset data after the financing party has certified the asset data on the blockchain, so that the financing acceptance party may perform the financing processing on the asset data based on the result of the wind control processing, and on the other hand, the financing acceptance party may perform the wind control processing on the asset data of the financing party certified on the blockchain based on the intelligent contract and perform the financing processing on the asset data based on the result of the wind control processing after receiving the financing request of the financing party. On the basis of chain storage of assets, wind control processing can be automatically carried out on asset data through an intelligent contract when needed, so that wind control results can be obtained in time for financing processing by an financing party and a financing accepting party, meanwhile, the accuracy and effectiveness of the wind control results can be guaranteed through automatic processing of the intelligent contract, the consumed time of services is reduced, the service execution efficiency is greatly improved, and the whole process is transparent and credible.
Drawings
The accompanying drawings, which are included to provide a further understanding of the specification and are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description serve to explain the specification and not to limit the specification in a non-limiting sense. On the attachment
In the figure:
fig. 1 is a schematic flowchart of a service execution method based on a block chain in this specification;
fig. 2 is a schematic diagram of a service execution process provided in the present specification;
fig. 3 is a schematic diagram of a service execution process provided in the present specification;
fig. 4 is a schematic flowchart of a service execution method based on a block chain in this specification;
fig. 5 is a schematic diagram of a service execution apparatus based on a block chain according to the present disclosure;
fig. 6 is a schematic diagram of a service execution apparatus based on a block chain according to the present disclosure;
fig. 7 is a schematic structural diagram of an electronic device provided in this specification.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more clear, the technical solutions of the present disclosure will be clearly and completely described below with reference to the specific embodiments of the present disclosure and the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification without any creative effort belong to the protection scope of the present specification.
Currently, in a method for performing evaluation and risk control for enterprise offline inspection to make decisions, a business side needs to consume a large amount of manpower, material resources and time. Therefore, the financing party and the financing accepting party are difficult to obtain the wind control result quickly, the time consumed by service flow is long, and if the financing accepting party hands wind control to an external partner, the external partner performs wind control to reduce the burden of the financing accepting party and the financing accepting party, the problem that the financing party and the financing accepting party are difficult to know the wind control effectiveness of the external partner exists.
The technical solutions provided by the embodiments of the present description are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic flowchart of a service execution method based on a block chain in this specification, which specifically includes the following steps:
s100: determining whether asset data published by a financer is present on the blockchain.
In one or more embodiments of the present disclosure, the service execution method may be executed by a blockchain service platform providing blockchain technical support, and since the blockchain service platform may provide services for a plurality of users (e.g., a plurality of financing parties and a plurality of financing acceptors), the service is typically executed by a server of the blockchain service platform. For convenience of description, the server is used as a main body of the service execution process in the following description. While in order for the financier to subsequently conduct the financing process for the asset data at the financing provider, the server may determine the asset data published by the financier on the blockchain. The blockchain may be a blockchain managed by the blockchain service platform.
Specifically, the server may monitor the uplink data condition in the blockchain to determine asset data certified by the financier on the blockchain. The asset data may initiate a certificate for the financer based on its own asset data and be stored to the blockchain, or a third party may store the asset data of the financer to the blockchain based on a request of the financer. And, if the blockchain service platform also provides the service of performing the uplink storage of the asset data for the financing party, the third party may also be the blockchain service platform. That is, the asset data of the financer is stored on the blockchain by the server. The description is not limited to how the asset data is stored in the block chain, and may be set as needed.
Aiming at the condition that a financing party carries out the self-operated chain-linking and evidence-storing of the asset data, the server can aim at each block stored in the new chain-linking, when the situation that the block has the transaction initiated by the financing party is determined, the data contained in the transaction is obtained, whether the transaction contains the data for carrying out the asset data evidence-storing is judged, if yes, the financing party is determined to issue the asset data, the asset data is obtained, and if not, the financing party is determined to issue the non-issued asset data. Of course, if there is no transaction initiated by the financer in the block, it may be determined that there is no current credit asset data linked with the financer.
And for the condition of performing asset data uplink storage by a third party, the server can obtain the result of the asset data uplink storage from the server based on the authorization of the financing party.
S102: and responding to the fact that the asset data issued by the financing party is stored on the block chain, calling a wind control logic contained in the intelligent contract, and performing wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract, so that when the financing acceptor obtains a result of the wind control processing, the financing processing is performed on the asset data based on the result of the wind control processing.
In one or more embodiments of the present specification, after determining that the financing party certifies the asset data, the server may invoke an intelligent contract that is already deployed in a block chain and performs wind control processing, and obtain wind control logic included in the intelligent contract, so as to perform wind control processing on the asset data based on wind control rules in a wind control rule base maintained by the intelligent contract. The subsequent financing acceptor can perform financing processing on the asset data according to the result of the wind control processing.
Specifically, the server may first obtain the asset data that the financer has certified from the blockchain, wherein the server may obtain the asset data when the step S100 is executed to determine that the financer has the asset data stored in the uplink newly. Of course, the server may acquire the asset data when it is determined in step S102 that the wind control processing is required. The present specification does not limit the timing at which the server acquires the asset data, and the asset data may be acquired before the wind control processing is performed based on the smart contract.
Then, the server can obtain the intelligent contract from the block chain and execute the code corresponding to the intelligent contract to match the asset data with the wind control rule in the wind control rule base maintained by the intelligent contract. Since the wind control processing that may need to be performed is not completely consistent for different asset data, there may be multiple wind control rules maintained by the smart contract. When the wind control processing is carried out, the server can adopt different wind control rules based on the intelligent contract to carry out the wind control processing on different asset data. For example, if the intelligent contract includes 100 predefined wind control rules, the source of the asset data of the financer is complex, and more strict wind control processing is required, the asset data may be matched with 80 wind control rules.
And finally, if the asset data is matched with any wind control rule, executing the wind control rule aiming at the asset data according to the matched wind control rule so as to carry out wind control processing on the asset data. Continuing with the above example, the server may then wind the asset data according to the 80 matching wind rules.
Fig. 2 is a schematic diagram of a service execution process provided in this specification. As shown in the figure, after the financing party releases the asset data, the block chain service platform can determine and execute at least part of the wind control rules as the wind control rules matched with the asset data from n wind control rules in total of n wind control rules of the wind control rules 1 … … in the wind control rule base maintained by the pre-deployment of the intelligent contract through the intelligent contract, so as to obtain the result of wind control processing corresponding to the asset data. After the result of the wind control processing is obtained, the server can send the result of the wind control processing to the client of the financing acceptance side.
In addition, if the asset data does not match any wind control rule, it may indicate that the asset data cannot be wind-controlled, and the financing process by the financing acceptor based on the result of the wind-controlled process cannot be performed. The server may also send a prompt message to the financing party to prompt the financing party that the assets corresponding to the assets data of the financing party cannot be financed. For example, if the asset corresponding to the asset data of the financing party fails to reach the financing threshold of the financing acceptor, i.e. there is no need to wind the asset data, the server may send a prompt to the financing party that "your XX asset does not reach the financing threshold". Certainly, the server can also prompt whether the financing party provides evidence of other asset data, so that the success rate and the efficiency of the financing party for executing the service are improved.
Further, the server may further push the result of the wind control processing to a financing acceptor after obtaining the result of the wind control processing, and the financing acceptor may perform financing processing on the asset data based on the result of the wind control processing. The server can determine whether the authorization of the financing party is obtained or not, if so, the wind control processing is pushed, and if not, prompt information can be sent to the financing party to prompt the financing party to lift the business aiming at the asset data for the financing acceptance party, so that the financing processing is carried out aiming at the asset data.
In one or more embodiments of the present description, the asset data includes receivables data, i.e., receivables of financers. And after the capital data is stored and verified, the server of the block chain service platform carries out wind control processing on the asset data based on the intelligent contract. And when the financing acceptance party can receive the result of the wind control processing, the financing processing is carried out on the asset data based on the result of the wind control processing. The efficiency of business execution is greatly improved, and the financing party can conveniently execute the business based on the accounts receivable of the financing party.
Based on the service execution method shown in fig. 1, after the financing party has certified the asset data on the blockchain, the blockchain service platform calls the wind control logic in the intelligent contract to perform wind control processing on the asset data, so that the financing accepting party can perform financing processing on the asset data based on the wind control processing result, and on the basis of chaining and certifying on the asset, the asset data can be automatically wind-controlled by the intelligent contract when needed, so that the financing party and the financing accepting party can obtain the wind control result in time to perform financing processing, and meanwhile, the intelligent contract automatic processing can also ensure the accuracy and validity of the wind control result, reduce the service consumption time, greatly improve the service execution efficiency, and the whole process is transparent and credible.
In addition, in one or more embodiments of the present disclosure, the blockchain managed by the blockchain service platform may be further subdivided into a credentialing chain and a financing chain, and then the asset data may be stored in a block of the credentialing chain because the asset data belongs to credentialing data of a financing party, and the financing chain is responsible for maintaining a subsequent intelligent contract for risk control based on the asset data. The server may determine whether the financier vouches for asset data on the chain of vouchers in step S100.
Similarly, in step S102, after determining the asset data issued by the financing party in the evidence chain, the server may call the wind control logic included in the intelligent contract deployed by the financing chain in response to the evidence of the asset data issued by the financing party on the evidence chain, so as to perform wind control processing on the asset data. Specifically, the server may obtain the asset data from the chain according to a chain-crossing protocol after calling the intelligent contract, read the asset data as a parameter into the intelligent contract by running the intelligent contract, execute the matched wind control rule on the asset data by determining the matching wind control rule in the wind control rule base of the asset data and the intelligent contract, obtain a wind control processing result, and finally store the wind control processing result in the storage space of the intelligent contract.
The interlink protocol may be set as needed, and specifically, a UDAG protocol, that is, a directed acyclic graph protocol may be used. Of course, other protocols may be used as needed, and this specification is not limited.
Fig. 3 is a schematic diagram of a service execution process provided in this specification. For example, the diagram includes two block chains, after the resource aggregator provides the storage chain storage certificate asset data of technical support for the block chain service platform, namely black blocks in the storage certificate chain in the diagram, the server of the block chain service platform can call the asset data to an intelligent contract deployed by the financing chain across the chain, namely the black blocks in the financing chain in the diagram, and through the pre-deployed intelligent contract, from n wind control rules which are the wind control rules 1 … …, at least part of the wind control rules are determined as the wind control rules matched with the asset data and executed, so as to obtain the result of wind control processing corresponding to the asset data. After the result of the wind control processing is obtained, the server can send the result of the wind control processing to the client of the financing acceptance side.
Further, since the wind control policies of different financing acceptors are different and wind control processing is performed based on the intelligent contract, the obtained wind control result mainly has the effect of facilitating the financing acceptors to continue to perform financing processing, in one or more embodiments of the present specification, the server may further determine the potential financing acceptors of the financing acceptors and determine the intelligent contracts corresponding to the potential financing acceptors. For example, suppose that financier a issues asset data X and a financing acceptor B that can accept the financing request of financier a is considered as a potential financing acceptor of financier a. The server can determine the intelligent contract of the financing acceptor B in the blockchain to execute step S102.
Wherein the potential financing acceptors, i.e. the financing acceptors for which the financing party can initiate the financing service. For example, a financing recipient having business with the financing party may be determined as a potential financing recipient of the financing party, or the financing recipient pre-authorizes the financing party to provide the result of the wind control process to the blockchain service platform, and so on. The result of the wind control processing required by which financing recipient needs to be determined is not limited in this specification, and can be set as needed.
And the intelligent contract corresponding to the potential financing acceptor can provide the result of the wind control processing required by the potential financing acceptor, and the wind control rule base maintained by the intelligent contract at least comprises the wind control rule of the potential financing acceptor, which is required to carry out the wind control processing.
Furthermore, as mentioned above, the wind control rule base maintained by the intelligent contract corresponds to the financing acceptor, because the wind control result is neither the basis for the financing acceptor to execute the business nor the basis for the block chain service platform to provide the service, but the basis for the financing acceptor to perform the financing process. Therefore, the wind control rules in the wind control rule base need to be confirmed by the financing acceptor to ensure that the wind control result is credible and usable.
In one or more embodiments of the present specification, the server may obtain the wind control rule data of the financing acceptor for the asset data, call the wind control rule generation logic included in the intelligent contract, convert the wind control rule data into the wind control rule supported by the intelligent contract, and add the wind control rule to the wind control rule base for storage.
Specifically, the intelligent contract may store a rule template, and the server receives the wind control rule data provided by the financing acceptance, runs the intelligent contract through the rule template, converts the wind control rule data into a code-form wind control rule, and stores the wind control rule as a wind control rule included in a wind control rule base in a storage space of the intelligent contract. The process of generating the codes of the wind control rules can also be manually written by operation and maintenance personnel according to the wind control rule data provided by the financing acceptance and stored in the intelligent contract. The specification does not limit this, and the specific setting may be as required.
The wind control rule data provided by the financing acceptor may be predetermined and provided to the blockchain service platform, and the blockchain service platform stores the determined wind control rule in the form of a code in the intelligent contract. That is, the wind control rule is specific to the asset data and also specific to other asset data, i.e., the wind control rule is not specific to the asset data only.
The server can determine the wind control rules contained in the wind control rule base according to the wind control rule data. And generating a code for determining how to carry out wind control processing on the intelligent contract after the matched wind control rule is determined.
Specifically, the server may obtain a configuration document related to the wind control processing performed on the asset data, which is sent by the financing acceptor. Wherein the configuration document includes configuration data related to a wind management process performed on the asset data. Thereafter, contract code associated with the curated data for the asset may be automatically generated based on the configuration data in the configuration document, and the intelligent contract may be deployed on the blockchain based on the contract code. That is, after receiving the configuration document sent by the financing acceptor, the server of the blockchain service platform may automatically generate an intelligent contract according to the configuration document, and deploy the intelligent contract to the blockchain. And then, adding a wind control rule code for the intelligent contract according to wind control rule data sent by the financing acceptor. And updating the intelligent contract based on the requirements of the financing accepting party.
Of course, the code of the intelligent contract may also be written by the operation and maintenance personnel of the blockchain service platform, and this specification does not limit this.
In addition, the intelligent contract can also be sent to a financing accepting party after the compilation is finished, and the intelligent contract is linked and deployed after the financing accepting party checks the intelligent contract. The generation of the intelligent contract is decoupled from the financing acceptor, the financing acceptor only needs to provide the configuration file and the wind control rule data of the intelligent contract, and the financing acceptor does not need to participate in the generation of the code of the intelligent contract and the generation of the corresponding code of the wind control rule. Finally, the financing acceptor only needs to perform auditing after the intelligent contract is generated. The maintenance of the intelligent contract is not borne by the financing acceptor any more, but is carried out by the block chain service platform, and the financing acceptor only needs to carry out verification, so that the operation cost of the financing acceptor is reduced.
Specifically, the server may send the contract code to the financing acceptor, the financing acceptor performs audit confirmation, and after the financing acceptor passes the audit confirmation, the intelligent contract is further deployed on the block chain based on the contract code.
In one or more embodiments of the present specification, when there are multiple matching wind control rules of the financing party, the matching multiple wind control rules may be executed synchronously, or may be executed sequentially according to an association relationship between preset wind control rules.
For example, assuming that the wind control rule A, B is a wind control rule related to a credit time limit of obtained asset data, and the execution of the wind control rule C requires the credit time limit of the obtained asset data, the consensus node may first obtain the credit time limit of the asset data by executing the wind control rule A, B, and then execute the wind control rule C based on the obtained credit time limit. For example, the wind control rule C may specifically be: the difference between the valid period of the accounts receivable of the financial resource integrating party and the credit granting period is smaller than the preset time, namely the valid period of the accounts receivable is smaller than the credit granting due date minus the preset time, such as 30 days.
In one or more embodiments of the present specification, the managed processing procedure executed by the server based on the smart contract may be executed in Trusted Execution Environment (TEE) hardware, so as to enhance confidentiality of the managed and decision-making processes and ensure that the process of executing the managed rule matched by the requester in the block chain is not peeped or tampered.
Specifically, the server may call the wind control logic included in the intelligent contract to a trusted execution environment of the server, and execute the wind control logic in the trusted execution environment, so as to perform wind control processing on the asset data based on the wind control rule in the wind control rule base maintained by the intelligent contract.
In addition, in one or more embodiments of the present description, the asset data of the financer's evidence may be data that is standardized in advance, and the server may further verify this. Specifically, when the asset data includes data corresponding to at least part of preset fields, the asset data is determined to be standardized data.
Based on the same idea, the present specification further provides a flow diagram of a service execution method applied to a service end corresponding to a financing acceptor, where as shown in fig. 4, the service execution method based on a block chain provided in one or more embodiments of the present specification specifically includes the following steps:
s200: receiving a financing request sent by a financing party; wherein the financing request comprises a data identifier corresponding to asset data certified on the blockchain.
In one or more embodiments of the present disclosure, the blockchain service platform provides blockchain technical support, and a financing party may send a financing request to a provider of a financing service (i.e., a financing acceptor) after the blockchain verifies the asset data, so that the financing acceptor may execute the financing service based on a result of a wind-controlled processing on the asset data of the financing party, which is obtained by an intelligent contract of the blockchain. The financing party may be a person or an enterprise having financing requirements, and the financing recipient may be an organization providing financing service.
In one or more embodiments of the present description, the financing request includes a data identification corresponding to the asset data that is certified on the blockchain. The financing accepting party can verify whether the financing party is credible or not based on the financing request and the data identification included in the financing request, perform wind control and execute financing service based on the wind control result.
Under a conventional wind control scene, a financing party needs to provide data for wind control to a financing accepting party for verification by the financing accepting party. In this specification, financing requests of financers may also be wind-controlled based on financing requests provided by the financers.
Therefore, in one or more embodiments of the present specification, a financing party may initiate a financing request through a client, and after the financing party initiates the financing request, a server of the blockchain service platform may receive the financing request sent by the financing party, where the financing request at least carries a data identifier of asset data of the financing party. The data identifier of the asset data is used for the financing acceptor to carry out wind control on the financing request of the financing party. The client of the financing acceptance side can receive the financing request which is forwarded by the server and carries the data identification of the asset data.
For example, if the financing party applies for the financing service executed by the financing accepting party to be subjected to identity verification, the financing request initiated by the financing party includes identity verification data for verifying the identity of the financing party, asset data of the financing party, and the like, and the financing accepting party needs to verify whether the identity of the financing party is real based on the financing request of the financing party, so as to perform the financing service based on the result of the wind control processing and the result of the identity authentication based on the asset data.
S202: and responding to the financing request, calling wind control logic contained in the intelligent contract, and carrying out wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract.
In one or more embodiments of the present description, a blockchain deploys intelligent contracts for the purpose of windmilling certified asset data on the blockchain. And the client of the financing acceptor responds to the financing request, can call an intelligent contract from the block chain, and performs wind control processing on the asset data corresponding to the data identifier based on the wind control rule in the wind control rule base maintained by the intelligent contract according to the wind control logic of the intelligent contract.
Specifically, the client of the financing acceptor can first obtain the asset data that the financing party has deposited from the blockchain.
Then, the client of the financing acceptor can acquire the intelligent contract from the block chain and execute the code corresponding to the intelligent contract, so as to match the asset data with the wind control rule in the wind control rule base maintained by the intelligent contract. Since the wind control processing that may need to be performed is not completely consistent for different asset data, there may be multiple wind control rules maintained by the smart contract. And when the wind control processing is carried out, the client of the financing acceptor can adopt different wind control rules based on the intelligent contract to carry out the wind control processing on different asset data. For example, if the intelligent contract includes 100 predefined wind control rules, the source of the asset data of the financer is complex, and more strict wind control processing is required, the asset data may be matched with 80 wind control rules.
And finally, if the asset data is matched with any wind control rule, executing the wind control rule aiming at the asset data according to the matched wind control rule so as to carry out wind control processing on the asset data. Continuing with the above example, the client of the financing acceptor may perform the wind control processing on the asset data according to the matched 80 wind control rules.
Of course, how the client of the financing acceptor can perform the wind control processing may refer to the content of the response of the wind control processing performed by the server of the block chain service platform in the foregoing. The client of the financing acceptor can perform wind control processing in the same manner, which is not described in detail herein.
S204: and acquiring the result of the wind control processing, and performing financing processing on the asset data based on the acquired result of the wind control processing.
In one or more embodiments of the present specification, after the client of the financing acceptor runs the intelligent contract to determine the result of the wind control processing, the client may perform financing processing on the asset data based on the obtained result of the wind control processing. That is, in response to the received financing request, it is determined whether to perform the financing process, or what kind of financing service is to be performed.
Since the intelligent contract described in step S202 may determine multiple matched wind control rules, different wind control processing results are determined based on the multiple wind control rules, and it may also be determined to execute incompletely identical financing services according to the different wind control processing results. Of course, the specific configuration may be set as required, and the description is not limited.
Based on the service execution process shown in fig. 4, the blockchain service platform can call the wind control logic in the intelligent contract to perform wind control processing on the asset data after the financing party has certified the asset data on the blockchain, so that the financing accepting party can perform financing processing on the asset data based on the wind control processing result, and on the basis of chaining certification of the asset, the asset data can be automatically wind-controlled by the intelligent contract when needed, so that the financing party and the financing accepting party can obtain the wind control result in time for financing processing.
In addition, in one or more embodiments of the present disclosure, the blockchain managed by the blockchain service platform may be further subdivided into a credentialing chain and a financing chain, and then the asset data may be stored in a block of the credentialing chain because the asset data belongs to credentialing data of a financing party, and the financing chain is responsible for maintaining a subsequent intelligent contract for risk control based on the asset data. Then in step S202 the client may determine asset data for the financer' S crediting on the chain based on the data identification.
And then, after determining the asset data issued by the financing party in the evidence chain, the client calls the wind control logic contained in the intelligent contract deployed by the financing chain so as to perform wind control processing on the asset data. Specifically, the client may obtain the asset data from the chain of the deposit evidence according to a chain crossing protocol after calling the intelligent contract, read the asset data as a parameter into the intelligent contract by running the intelligent contract, and execute the matched wind control rule on the asset data by determining the matched wind control rule in the wind control rule base of the asset data and the intelligent contract, so as to obtain a result of the wind control processing.
The cross-link protocol may be set as required, specifically, the UDAG protocol may be used, and of course, other protocols may also be used as required, which is not limited in this specification.
Based on the same idea, the block chain based service execution method in fig. 1 provided above for one or more embodiments of this specification further provides a corresponding block chain based service execution device, as shown in fig. 5.
Fig. 5 is a schematic diagram of a service execution apparatus based on a blockchain, which is applied to a blockchain service platform and is configured with an intelligent contract for performing a wind control process on asset data certified on the blockchain; the device comprises:
a determining module 300, configured to determine whether asset data issued by a financing party is certified on the blockchain;
and the wind control module 302 is configured to invoke wind control logic included in the intelligent contract in response to that the asset data issued by the financing party is stored on the block chain, and perform wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract, so that when the financing acceptor acquires a result of the wind control processing, the financing processing is performed on the asset data based on the result of the wind control processing.
Optionally, the blockchain managed by the blockchain service platform includes a certificate chain and a financing chain; wherein the intelligent contracts are deployed in the financing chain; the determining module 300 is configured to determine whether the asset data issued by the financing party is credited on the crediting chain; the wind control module 302 is configured to, in response to the evidence of the asset data issued by the financing party on the evidence chain, further invoke wind control logic included in the intelligent contract deployed by the financing chain.
Optionally, the wind control module 302 is configured to match the asset data with a wind control rule in a wind control rule base maintained by the intelligent contract; and if the asset data is matched with any wind control rule in the wind control rule base, executing the wind control rule aiming at the asset data so as to carry out wind control processing on the asset data.
Optionally, the apparatus further comprises:
and the updating module 304 is configured to obtain wind control rule data of the financing acceptance policy on the asset data, call wind control rule generation logic included in the intelligent contract, convert the wind control rule data into a wind control rule supported by the intelligent contract, and add the wind control rule to the wind control rule base for storage.
Optionally, the apparatus further comprises:
an auditing module 306, configured to obtain a configuration document related to the wind control processing performed on the asset data, which is sent by the financing acceptor; wherein the configuration document includes configuration data related to the curating the asset data, automatically generate contract code related to the curating the asset data based on the configuration data in the configuration document, and deploy the intelligent contracts on the blockchain based on the contract code.
Optionally, the auditing module 306 is configured to send the contract code to the financing acceptor before the intelligent contract is deployed on the blockchain based on the contract code, perform auditing confirmation by the financing acceptor, and further deploy the intelligent contract on the blockchain based on the contract code after the financing acceptor passes the auditing confirmation.
Optionally, the asset data comprises receivables data.
Optionally, the blockchain service platform includes a trusted execution environment therein; the wind control module 302 is configured to call a wind control logic included in the intelligent contract to the trusted execution environment, and execute the wind control logic in the trusted execution environment, so as to perform wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract.
Based on the same idea, the present specification further provides a service execution device based on a block chain corresponding to the service execution method based on a block chain of fig. 4, as shown in fig. 6.
Fig. 6 is a schematic diagram of a service execution apparatus based on a block chain according to this specification. The device is applied to a server corresponding to a financing accepting party, and the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the device includes:
a receiving module 400, configured to receive a financing request sent by a financing party; wherein the financing request comprises a data identifier corresponding to asset data certified on the blockchain;
a wind control module 402, configured to invoke wind control logic included in the intelligent contract in response to the financing request, and perform wind control processing on the asset data corresponding to the data identifier based on a wind control rule in a wind control rule base maintained by the intelligent contract;
and the processing module 404 is configured to obtain the result of the wind control processing, and perform financing processing on the asset data based on the obtained result of the wind control processing.
Optionally, the blockchain managed by the blockchain service platform includes a certificate chain and a financing chain; wherein the asset data evidence exists in the evidence chain; the intelligent contracts are deployed in the financing chain; the wind control module 402 is configured to, in response to the financing request, invoke wind control logic included in the intelligent contract deployed on the financing chain, acquire the asset data from the deposit chain across chains based on the data identifier, and perform wind control processing on the asset data corresponding to the data identifier based on a wind control rule in a wind control rule base maintained by the intelligent contract.
Optionally, the wind control module 402 is configured to obtain the asset data corresponding to the data identifier from the evidence chain based on a chain crossing protocol supported by the intelligent contract.
Optionally, the cross-chain protocol comprises the UDAG protocol.
Optionally, the asset data comprises receivables data.
Optionally, a server corresponding to the financing acceptor includes a trusted execution environment, and the wind control module 402 is configured to call a wind control logic included in the intelligent contract to the trusted execution environment, execute the wind control logic in the trusted execution environment, and perform wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract.
The present specification also provides a computer-readable storage medium, which stores a computer program, where the computer program can be used to execute the service execution method based on the block chain provided in fig. 1 and 4.
The present specification also provides a schematic structural diagram of the electronic device shown in fig. 7. As shown in fig. 7, at the hardware level, the electronic device includes a processor, an internal bus, a memory, and a non-volatile memory, but may also include hardware required for other services. The processor reads a corresponding computer program from the non-volatile memory into the memory and then runs the computer program to implement the service execution method based on the blockchain provided in fig. 1.
Of course, besides the software implementation, the present specification does not exclude other implementations, such as logic devices or a combination of software and hardware, and the like, that is, the execution subject of the following processing flow is not limited to each logic unit, and may be hardware or logic devices.
In the 90 s of the 20 th century, improvements in a technology could clearly distinguish between improvements in hardware (e.g., improvements in circuit structures such as diodes, transistors, switches, etc.) and improvements in software (improvements in process flow). However, as technology advances, many of today's process flow improvements have been seen as direct improvements in hardware circuit architecture. Designers almost always obtain the corresponding hardware circuit structure by programming an improved method flow into the hardware circuit. Thus, it cannot be said that an improvement in the process flow cannot be realized by hardware physical modules. For example, a Programmable Logic Device (PLD) (e.g., a Field Programmable Gate Array (FPGA)) is an integrated circuit whose Logic functions are determined by a user programming the Device. A digital system is "integrated" on a PLD by the designer's own programming without requiring the chip manufacturer to design and fabricate application-specific integrated circuit chips. Furthermore, nowadays, instead of manually manufacturing an Integrated Circuit chip, such Programming is often implemented by "logic compiler" software, which is similar to a software compiler used in program development and writing, but the original code before compiling is also written by a specific Programming Language, which is called Hardware Description Language (HDL), and HDL is not only one but many, such as ABEL (Advanced Boolean Expression Language), AHDL (alternate Hardware Description Language), traffic, CUPL (core universal Programming Language), HDCal, jhddl (Java Hardware Description Language), lava, lola, HDL, PALASM, rhyd (Hardware Description Language), and vhigh-Language (Hardware Description Language), which is currently used in most popular applications. It will also be apparent to those skilled in the art that hardware circuitry that implements the logical method flows can be readily obtained by merely slightly programming the method flows into an integrated circuit using the hardware description languages described above.
The controller may be implemented in any suitable manner, for example, the controller may take the form of, for example, a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro) processor, logic gates, switches, an Application Specific Integrated Circuit (ASIC), a programmable logic controller, and an embedded microcontroller, examples of which include, but are not limited to, the following microcontrollers: ARC625D, atmel AT91SAM, microchip PIC18F26K20, and Silicone Labs C8051F320, the memory controller may also be implemented as part of the control logic for the memory. Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may thus be considered a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be conceived to be both a software module implementing the method and a structure within a hardware component.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functions of the various elements may be implemented in the same one or more software and/or hardware implementations of the present description.
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.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, the description may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the description 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.
This description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The specification may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present specification, and is not intended to limit the present specification. Various modifications and alterations to this description will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present specification should be included in the scope of the claims of the present specification.
Claims (18)
1. A business execution method based on a block chain is applied to a block chain service platform, and the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the method comprises the following steps:
determining whether asset data issued by a financing party is certified on the blockchain;
and responding to the fact that the asset data issued by the financing party is stored on the block chain, calling a wind control logic contained in the intelligent contract, and performing wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract, so that when the financing acceptor obtains a result of the wind control processing, the financing processing is performed on the asset data based on the result of the wind control processing.
2. The method of claim 1, wherein the blockchain managed by the blockchain service platform comprises a warranty chain and a financing chain; wherein the intelligent contracts are deployed in the financing chain;
determining whether asset data issued by a financer is present on the blockchain includes:
determining whether asset data issued by a financing party is credited on the chain of credentialing;
in response to the block chain having evidence of asset data issued by a financer, invoking wind-control logic included in the intelligent contract, comprising:
and responding to the evidence of the asset data issued by the financing party on the evidence-storing chain, and further calling wind control logic contained in the intelligent contract deployed by the financing chain.
3. The method of claim 1, wherein the windmilling the asset data based on the windmilling rules in the windmilling rule base maintained by the smart contract comprises:
matching the asset data with a wind control rule in a wind control rule base maintained by the intelligent contract; and if the asset data is matched with any wind control rule in the wind control rule base, executing the wind control rule aiming at the asset data so as to carry out wind control processing on the asset data.
4. The method of claim 1, further comprising:
acquiring wind control rule data of the financing acceptor aiming at the asset data;
and calling wind control rule generation logic contained in the intelligent contract, converting the wind control rule data into wind control rules supported by the intelligent contract, and adding the wind control rules to the wind control rule base for storage.
5. The method of claim 1, further comprising:
acquiring a configuration document which is sent by the financing acceptance party and is related to wind control processing aiming at the asset data; wherein the configuration document includes configuration data related to a wind management process for the asset data;
automatically generating, based on configuration data in the configuration document, contract code related to the curating the asset data, and deploying the intelligent contracts on the blockchain based on the contract code.
6. A method as defined in claim 5, prior to deploying the intelligent contracts on the blockchain based on the contract code, the method further comprising:
and sending the contract code to the financing acceptor, performing audit confirmation by the financing acceptor, and after the financing acceptor passes the audit confirmation, deploying the intelligent contract on the block chain based on the contract code.
7. The method of claim 1, the asset data comprising receivables data.
8. The method of claim 1, wherein the blockchain service platform includes a trusted execution environment;
calling a wind control logic contained in the intelligent contract, and carrying out wind control processing on the asset data based on a wind control rule in a wind control rule base maintained by the intelligent contract, wherein the wind control logic specifically comprises the following steps:
calling wind control logic contained in the intelligent contract to the trusted execution environment;
and executing the wind control logic in the trusted execution environment to perform wind control processing on the asset data based on wind control rules in a wind control rule base maintained by the intelligent contract.
9. A service execution method based on a block chain is applied to a server corresponding to a financing accepting party, and the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the method comprises the following steps:
receiving a financing request sent by a financing party; wherein the financing request comprises a data identifier corresponding to asset data certified on the blockchain;
responding to the financing request, calling wind control logic contained in the intelligent contract, and carrying out wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract;
and acquiring the result of the wind control processing, and performing financing processing on the asset data based on the acquired result of the wind control processing.
10. The method of claim 9, wherein the blockchain managed by the blockchain service platform includes a chain of credits and a chain of financing; wherein the asset data evidence exists in the evidence chain; the intelligent contracts are deployed in the financing chain;
responding to the financing request, calling wind control logic contained in the intelligent contract, and performing wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract, wherein the wind control logic comprises the following steps:
and responding to the financing request, calling wind control logic contained in the intelligent contract deployed on the financing chain, acquiring the asset data from the evidence storage chain across chains based on the data identification, and performing wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract.
11. The method of claim 10, acquiring the asset data from the chain of evidence keeping chains across chains based on the data identification, comprising:
and acquiring the asset data corresponding to the data identification from the evidence chain cross chain based on a cross chain protocol supported by the intelligent contract.
12. The method of claim 11, the cross-link protocol comprising the UDAG protocol.
13. The method of claim 9, the asset data comprising accounts receivable data.
14. The method of claim 9, wherein the server corresponding to the financing acceptor comprises a trusted execution environment;
calling a wind control logic contained in the intelligent contract, and performing wind control processing on the asset data corresponding to the data identifier based on a wind control rule in a wind control rule base maintained by the intelligent contract, wherein the wind control logic specifically comprises the following steps:
calling wind control logic contained in the intelligent contract to the trusted execution environment;
and executing the wind control logic in the trusted execution environment to perform wind control processing on the asset data based on wind control rules in a wind control rule base maintained by the intelligent contract.
15. A business execution device based on a block chain is applied to a block chain service platform, and the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the device comprises:
a determining module, configured to determine whether asset data issued by an information aggregator exists on the blockchain;
and the wind control module is used for responding to the fact that the asset data issued by the financing party is stored on the block chain, calling wind control logic contained in the intelligent contract, and performing wind control processing on the asset data based on wind control rules in a wind control rule base maintained by the intelligent contract, so that when the financing acceptance party obtains a result of the wind control processing, the financing acceptance party performs financing processing on the asset data based on the result of the wind control processing.
16. A service execution device based on a block chain is applied to a server corresponding to a financing accepting party, and the block chain is provided with an intelligent contract for carrying out wind control processing on asset data stored on the block chain; the device comprises:
the receiving module is used for receiving a financing request sent by a financing party; wherein the financing request comprises a data identifier corresponding to asset data certified on the blockchain;
the wind control module is used for responding to the financing request, calling wind control logic contained in the intelligent contract and carrying out wind control processing on the asset data corresponding to the data identification based on wind control rules in a wind control rule base maintained by the intelligent contract;
and the processing module is used for acquiring the result of the wind control processing and carrying out financing processing on the asset data based on the acquired result of the wind control processing.
17. A computer-readable storage medium, storing a computer program which, when executed by a processor, implements the method of any of claims 1 to 14.
18. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of any of the preceding claims 1 to 14 when executing the program.
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| CN117348999B (en) * | 2023-12-06 | 2024-02-23 | 之江实验室 | Service execution system and service execution method |
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