CN110766403A - Data processing device and method based on block chain and storage medium - Google Patents
Data processing device and method based on block chain and storage medium Download PDFInfo
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Abstract
The invention relates to a block chain technology, and discloses a data processing device, a method and a storage medium based on a block chain, wherein the method comprises the following steps: receiving registration information of an enterprise and at least one level of provider, and respectively creating a block chain wallet; if the enterprise signs a bill and the primary supplier signs, the validity of the signing and issuing operation is checked; if the verification is passed, recording information corresponding to the issuing operation on the first block, and updating the wallet; after a financing application of a first-level supplier is received, verifying the legality of the financing application operation, and verifying whether the financing application operation meets the transaction condition of an organization licensee or not by using an intelligent contract after the verification is passed; if yes, sending a reminding message to execute payment price matching, recording the information of the financing application operation on a second block linked with the first block, and updating the wallet. The invention can realize the intellectualization and the credibility of the related information and asset data management of each participant who needs to collect the accounts and financing.
Description
Technical Field
The present invention relates to the field of block chain technologies, and in particular, to a data processing apparatus and method based on a block chain, and a storage medium.
Background
Receivables financing means: the core enterprise confirms the due payment responsibility, and each level of suppliers can transfer the confirmed accounts receivable to the upper level of suppliers to compensate the debt or transfer the accounts receivable to the organ acceptors such as banks to obtain financing.
At present, accounts receivable financing can be performed on line on an SAS platform, but the operation process still requires more manual operations, there are possible counterfeiting situations of background information, asset data and the like of each participant, and the platform cannot perform authenticity verification and credible disclosure on the information of each participant, so that the accounts receivable financing operation cannot be performed effectively. In view of this, the intelligence and credibility of the management of the related information and asset data of each participant who should collect the payment financing become problems to be solved.
Disclosure of Invention
The invention aims to provide a data processing device, a data processing method and a storage medium based on a block chain, and aims to realize intellectualization and credibility of related information and asset data management of each participant of receivable financing.
In order to achieve the above object, the present invention provides a blockchain-based data processing apparatus, which includes a memory and a processor connected to the memory, wherein the memory stores therein a processing system that is executable on the processor, and when the processing system is executed by the processor, the following steps are implemented:
receiving registration information of an enterprise and registration information of at least one level of supplier uploaded by a preset platform on a blockchain, creating a blockchain wallet of the enterprise based on the registration information of the enterprise, and creating the blockchain wallet of the level of supplier based on the registration information of the level of supplier;
if the enterprise signs a bill on the preset platform and the primary supplier signs the bill, after receiving the bill information and the transaction information corresponding to the signing and issuing operation on the blockchain, checking the validity of the signing and issuing operation on the basis of the blockchain wallet of the enterprise, the blockchain wallet of the primary supplier, the bill information and the transaction information corresponding to the signing and issuing operation;
if the signing operation passes the verification, the bill information and the transaction information corresponding to the signing operation are encrypted and recorded on the first block, and the block chain wallet of the enterprise and the block chain wallet of the first-level provider are respectively updated based on the bill information and the transaction information corresponding to the signing operation;
after receiving bill information and transaction information corresponding to the financing application of the first-level provider on the blockchain, verifying the legality of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level provider, the bill information and the transaction information corresponding to the financing application operation, and verifying whether the financing application operation meets the preset transaction condition of the corresponding institution transferee by using a preset first intelligent contract after the verification is passed;
if the preset transaction condition is met, sending a reminding message that the financing application operation meets the preset transaction condition to the preset platform so as to execute a payment price-checking operation on the preset platform, encrypting the bill information and the transaction information corresponding to the financing application operation, recording the encrypted bill information and the encrypted transaction information on a second block linked with the first block, and updating the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the financing application operation.
Preferably, the processing system, when executed by the processor, further implements the steps of:
after receiving bill information and transaction information corresponding to the bill flow transferred to the subordinate provider by the primary provider on the blockchain, verifying the validity of the bill flow operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary provider, the bill information and the transaction information corresponding to the bill flow operation;
and if the bill operation of the current circulation passes the verification, encrypting the bill information and the transaction information corresponding to the bill operation of the current circulation and recording the encrypted bill information and the encrypted transaction information on a third block linked with the first block, and updating the block chain wallet of the enterprise, the block chain wallet of the first-level provider and the block chain wallet of the lower-level provider respectively based on the bill information and the transaction information corresponding to the bill operation of the current circulation.
Preferably, the processing system, when executed by the processor, further implements the steps of:
and monitoring the bills issued by each enterprise by using a preset second intelligent contract, if the bills of the enterprises are due, sending a clearing reminding message corresponding to the due bills to the preset platform, and synchronizing a clearing result to the block chain wallet of the enterprise after the preset platform finishes the clearing operation.
Preferably, the processing system, when executed by the processor, further implements the steps of:
and pushing bill information corresponding to the payment and price checking operation to the preset platform so that the preset platform can push the bill information to a preset resource management cloud system.
In order to achieve the above object, the present invention further provides a data processing method based on a block chain, where the data processing method based on a block chain includes:
s1, receiving registration information of an enterprise and registration information of at least one level of supplier uploaded by a preset platform on a blockchain, creating a blockchain wallet of the enterprise based on the registration information of the enterprise, and creating the blockchain wallet of the level of supplier based on the registration information of the level of supplier;
s2, if the enterprise signs a bill on the predetermined platform and the primary supplier signs the bill, after receiving the bill information and the transaction information corresponding to the present signing operation on the blockchain, checking the validity of the present signing operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary supplier, the bill information and the transaction information corresponding to the present signing operation;
s3, if the signing operation passes the verification, the bill information and the transaction information corresponding to the signing operation are encrypted and recorded on the first block, and the block chain wallet of the enterprise and the block chain wallet of the first-level supplier are respectively updated based on the bill information and the transaction information corresponding to the signing operation;
s4, after receiving the bill information and the transaction information corresponding to the financing application of the first-level supplier on the blockchain, checking the legality of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level supplier, the bill information and the transaction information corresponding to the financing application operation, and checking whether the financing application operation meets the preset transaction condition of the corresponding institution acquirer after the check is passed by using a preset first intelligent contract;
and S5, if the preset transaction condition is met, sending a reminding message that the financing application operation meets the preset transaction condition to the preset platform so as to execute a payment price matching operation on the preset platform, encrypting the bill information and the transaction information corresponding to the financing application operation and recording the encrypted bill information and the encrypted transaction information on a second block linked with the first block, and updating the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the financing application operation.
Preferably, after step S3, the method further includes:
after receiving bill information and transaction information corresponding to the bill flow transferred to the subordinate provider by the primary provider on the blockchain, verifying the validity of the bill flow operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary provider, the bill information and the transaction information corresponding to the bill flow operation;
and if the bill operation of the current circulation passes the verification, encrypting the bill information and the transaction information corresponding to the bill operation of the current circulation and recording the encrypted bill information and the encrypted transaction information on a third block linked with the first block, and updating the block chain wallet of the enterprise, the block chain wallet of the first-level provider and the block chain wallet of the lower-level provider respectively based on the bill information and the transaction information corresponding to the bill operation of the current circulation.
Preferably, after step S2, the method further includes:
and monitoring the bills issued by each enterprise by using a preset second intelligent contract, if the bills of the enterprises are due, sending a clearing reminding message corresponding to the due bills to the preset platform, and synchronizing a clearing result to the block chain wallet of the enterprise after the preset platform finishes the clearing operation.
Preferably, after step S5, the method further includes:
and pushing bill information corresponding to the payment and price checking operation to the preset platform so that the preset platform can push the bill information to a preset resource management cloud system.
Preferably, after step S4, the method further includes:
and if the preset transaction condition is not met, sending information corresponding to the preset transaction condition to the preset platform for manual examination and confirmation of whether to execute the payment price-matching operation.
The present invention also provides a computer readable storage medium having stored thereon a processing system, which when executed by a processor implements the steps of the above-mentioned block chain based data processing method.
The invention has the beneficial effects that: the invention applies the block chain technology to process the related information in the receivable accounts financing, which comprises establishing a block chain wallet by taking an enterprise as a unit, realizing the automatic verification of the authenticity and the legality of the information of both transaction parties in the operation of each step of issuing a bill, applying financing, paying a price and the like, and automatically verifying whether the bill of the financing application meets the preset transaction condition of an institution transferee by using a block chain intelligent contract to improve the transaction achievement efficiency.
Drawings
FIG. 1 is a diagram illustrating a hardware architecture of an embodiment of a data processing apparatus based on a blockchain according to the present invention;
FIG. 2 is a block diagram of a process of one embodiment of the processing system of FIG. 1;
FIG. 3 is a flowchart illustrating an embodiment of a data processing method based on a blockchain according to the present invention;
FIG. 4 is a diagram of an example of the data processing method based on block chains shown in FIG. 3;
FIG. 5 is a diagram of another example of the block chain based data processing method shown in FIG. 3;
fig. 6 is a diagram illustrating an example of splitting a bill in the circulation bill operation shown in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 is a schematic diagram of a hardware architecture of a data processing apparatus 1 based on a block chain according to an embodiment of the present invention. The data processing apparatus 1 based on the block chain is a device capable of automatically performing numerical calculation and/or information processing according to a command set or stored in advance by applying the block chain technique. The block chain based data processing apparatus 1 may be a computer, or may be a single network server, a server group composed of a plurality of network servers, or a cloud composed of a large number of hosts or network servers based on cloud computing, where cloud computing is one of distributed computing, and is a super virtual computer composed of a group of loosely coupled computers.
In the present embodiment, the data processing apparatus 1 based on the blockchain may include, but is not limited to, a memory 11, a processor 12, and a network interface 13, which may be communicatively connected to each other through a system bus, wherein the memory 11 stores a processing system 10 that can run on the processor 12. It is noted that fig. 1 only shows the blockchain based data processing apparatus 1 with components 11-13, but it is to be understood that not all shown components are required to be implemented, and that more or less components may alternatively be implemented.
The storage 11 includes a memory and at least one type of readable storage medium. The memory provides a cache for the operation of the data processing device 1 based on the block chain; the readable storage medium may be a non-volatile storage medium such as flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the readable storage medium may be an internal storage unit of the blockchain based data processing apparatus 1, such as a hard disk of the blockchain based data processing apparatus 1; in other embodiments, the non-volatile storage medium may also be an external storage device of the data processing apparatus 1 based on the block chain, such as a plug-in hard disk provided on the data processing apparatus 1 based on the block chain, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. In this embodiment, the readable storage medium of the memory 11 is generally used for storing an operating system and various types of application software installed in the data processing apparatus 1 based on the blockchain, for example, program codes of the processing system 10 in an embodiment of the present invention are stored. Further, the memory 11 may also be used to temporarily store various types of data that have been output or are to be output.
The processor 12 may be, in some embodiments, a Central Processing Unit (CPU), a controller, a microcontroller, a microprocessor, or other data Processing chip, and is used for executing program codes stored in the memory 11 or Processing data, such as the Processing system 10.
The network interface 13 may comprise a standard wireless network interface, a wired network interface, and the network interface 13 is typically used for establishing a communication connection between the blockchain based data processing apparatus 1 and other electronic devices.
The processing system 10 is stored in the memory 11 and includes at least one computer-readable instruction stored in the memory 11, which is executable by the processor 12 to implement the methods of the embodiments of the present application; and the at least one computer readable instruction may be divided into different logic blocks depending on the functions implemented by the respective portions.
In one embodiment, the processing system 10 as described above, when executed by the processor 12, implements the steps of:
receiving registration information of an enterprise and registration information of at least one level of supplier uploaded by a preset platform on a blockchain, creating a blockchain wallet of the enterprise based on the registration information of the enterprise, and creating the blockchain wallet of the level of supplier based on the registration information of the level of supplier;
if the enterprise signs a bill on the preset platform and the primary supplier signs the bill, after receiving the bill information and the transaction information corresponding to the signing and issuing operation on the blockchain, checking the validity of the signing and issuing operation on the basis of the blockchain wallet of the enterprise, the blockchain wallet of the primary supplier, the bill information and the transaction information corresponding to the signing and issuing operation;
if the signing operation passes the verification, the bill information and the transaction information corresponding to the signing operation are encrypted and recorded on the first block, and the block chain wallet of the enterprise and the block chain wallet of the first-level provider are respectively updated based on the bill information and the transaction information corresponding to the signing operation;
after receiving bill information and transaction information corresponding to the financing application of the first-level provider on the blockchain, verifying the legality of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level provider, the bill information and the transaction information corresponding to the financing application operation, and verifying whether the financing application operation meets the preset transaction condition of the corresponding institution transferee by using a preset first intelligent contract after the verification is passed;
if the preset transaction condition is met, sending a reminding message that the financing application operation meets the preset transaction condition to the preset platform so as to execute a payment price-checking operation on the preset platform, encrypting the bill information and the transaction information corresponding to the financing application operation, recording the encrypted bill information and the encrypted transaction information on a second block linked with the first block, and updating the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the financing application operation.
Further, if the bill is transferred among the multiple levels of suppliers, the first level supplier transfers the bill to the second level supplier, the second level supplier transfers the bill to the third level supplier, and so on. That is, after the checking of the billing operation is passed, when the processing system is executed by the processor, the following steps are also implemented:
after receiving bill information and transaction information corresponding to the bill flow transferred to the subordinate provider by the primary provider on the blockchain, verifying the validity of the bill flow operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary provider, the bill information and the transaction information corresponding to the bill flow operation;
and if the bill operation of the current circulation passes the verification, encrypting the bill information and the transaction information corresponding to the bill operation of the current circulation and recording the encrypted bill information and the encrypted transaction information on a third block linked with the first block, and updating the block chain wallet of the enterprise, the block chain wallet of the first-level provider and the block chain wallet of the lower-level provider respectively based on the bill information and the transaction information corresponding to the bill operation of the current circulation.
Further, after the enterprise issues the bill on the predetermined platform, the processing system when executed by the processor further implements the steps of:
and monitoring the bills issued by each enterprise by using a preset second intelligent contract, if the bills of the enterprises are due, sending a clearing reminding message corresponding to the due bills to the preset platform, and synchronizing a clearing result to the block chain wallet of the enterprise after the preset platform finishes the clearing operation.
Further, after completing the payment and price-fighting operation, the processing system, when executed by the processor, further implements the steps of:
and pushing bill information corresponding to the payment and price checking operation to the preset platform so that the preset platform can push the bill information to a preset resource management cloud system.
Further, after checking whether the financing application operation meets the preset transaction condition of the corresponding institution transferee, when the processing system is executed by the processor, the following steps are also realized:
and if the preset transaction condition is not met, sending information corresponding to the preset transaction condition to the preset platform for manual examination and confirmation of whether to execute the payment price-matching operation.
For the sake of clarity, reference is made to the following description of FIG. 2, which is a block diagram of the processing system 10, and FIG. 3, which is a flow chart of the method.
Referring now to FIG. 2, a block diagram of a process of the processing system 10 of FIG. 1 is shown. The processing system 10 is partitioned into a plurality of modules that are stored in the memory 12 and executed by the processor 13 to accomplish the present invention. The modules referred to herein are referred to as a series of computer program instruction segments capable of performing specified functions.
The processing system 10 may be divided into: the system comprises a creation module 101, a first check module 102, an update module 103, a second check module 104 and a payment price comparison module 105.
The creating module 101 is configured to receive, on a blockchain, registration information of an enterprise and registration information of at least one level of provider uploaded by a predetermined platform, create a blockchain wallet of the enterprise based on the registration information of the enterprise, and create a blockchain wallet of the level of provider based on the registration information of the level of provider;
a first checking module 102, configured to check validity of the issuing operation based on a blockchain wallet of the enterprise, a blockchain wallet of the first-level provider, and billing information and transaction information corresponding to the issuing operation after receiving the billing information and the transaction information corresponding to the issuing operation on the blockchain if the enterprise issues the bill on the predetermined platform and the first-level provider has already issued the bill;
the updating module 103 is configured to encrypt the bill information and the transaction information corresponding to the issuing operation and record the encrypted bill information and transaction information on the first block if the issuing operation is verified, and update the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the issuing operation;
the second checking module 104 is configured to, after receiving the bill information and the transaction information corresponding to the financing application of the first-level provider on the blockchain, check the validity of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level provider, the bill information and the transaction information corresponding to the financing application operation of this time, and check whether the financing application operation of this time meets the preset transaction condition of the corresponding institution transferee by using a predetermined first intelligent contract after the check is passed;
and the payment price matching module 105 is configured to send a prompt message that the financing application operation of this time meets the preset transaction condition to the preset platform if the preset transaction condition is met, so as to execute a payment price matching operation on the preset platform, encrypt the bill information and the transaction information corresponding to the financing application operation of this time, record the encrypted bill information and transaction information on a second block linked with the first block, and update the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the financing application operation of this time.
As shown in fig. 3, fig. 3 is a flowchart illustrating an embodiment of a block chain-based data processing method according to the present invention, and when the processor 13 of the block chain-based data processing apparatus 1 executes the processing system 10 stored in the memory 12, the method includes the following steps:
step S1, receiving registration information of an enterprise and registration information of at least one level provider uploaded by a predetermined platform on a blockchain, creating a blockchain wallet of the enterprise based on the registration information of the enterprise, and creating a blockchain wallet of the level provider based on the registration information of the level provider;
step S2, if the enterprise signs a bill on the predetermined platform and the primary supplier signs the bill, after receiving the bill information and the transaction information corresponding to the present signing and issuing operation on the blockchain, checking the validity of the present signing and issuing operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary supplier, the bill information and the transaction information corresponding to the present signing and issuing operation;
step S3, if the signing operation passes the verification, the bill information and the transaction information corresponding to the signing operation are encrypted and recorded on the first block, and the block chain wallet of the enterprise and the block chain wallet of the first-level supplier are respectively updated based on the bill information and the transaction information corresponding to the signing operation;
step S4, after receiving the bill information and the transaction information corresponding to the financing application of the first-level supplier on the blockchain, checking the legality of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level supplier, the bill information and the transaction information corresponding to the financing application operation, and checking whether the financing application operation meets the preset transaction condition of the corresponding institution transferee by using a preset first intelligent contract after the check is passed;
step S5, if the preset transaction condition is met, sending a prompt message that the financing application operation of this time meets the preset transaction condition to the predetermined platform to execute a payment price matching operation on the predetermined platform, encrypting the bill information and transaction information corresponding to the financing application operation of this time and recording the encrypted bill information and transaction information on a second block linked with the first block, and updating the block chain wallet of the enterprise and the block chain wallet of the first-level provider based on the bill information and transaction information corresponding to the financing application operation of this time, respectively.
Please refer to fig. 4, and describe the present embodiment with reference to fig. 3 and fig. 4. In fig. 4, the enterprise, the primary supplier, and the organization transferee use their own devices, respectively, and the data processing apparatus based on the blockchain is a device applying the blockchain technology, and may be one of the devices used by the enterprise, the primary supplier, and the organization transferee, or may be other designated devices. In all embodiments of the present invention, the predetermined platform is described by taking an SAS platform (or enterprise client) as an example.
In fig. 4, when an enterprise registers with the SAS platform, the SAS platform sends registration information to a blockchain-based data processing device that applies blockchain techniques. The registration information comprises enterprise information, account information, issuing limits, signing data and the like, a block chain wallet of an enterprise is created, and an enterprise name, a block chain wallet number, the enterprise information, the account information, the issuing limits, the signing data, the total amount of a current issued bill, the detail of the issued bill, a transaction ledger and the like are recorded in the block chain wallet of the enterprise; when each supplier registers on the SAS platform, the SAS platform sends registration information to a data processing device based on a block chain applying the block chain technology, wherein the registration information comprises enterprise information, account information, signing data and the like, block chain wallets of the suppliers are respectively created, and enterprise names, block chain wallet numbers, enterprise information, account information, signing data, asset total amounts, held bill particulars, transaction ledgers and the like are recorded in the block chain wallets of the suppliers. The information in the blockchain wallet is also stored in an encrypted manner, related asset information in the blockchain wallet can be checked only by an enterprise or an authorized member party of a specific regional chain, and a blockchain SAS asset management framework is built by introducing a blockchain wallet mechanism, so that real trade background information of two transaction parties can be recorded later, the authenticity verification of the trade background is assisted, the full amount information of the transaction is recorded, and the direct connection of all parties is facilitated to inquire and verify the asset information.
The enterprise signs a bill on the SAS platform, when a supplier confirms and signs bill information on the SAS platform, the SAS platform carries out electronic signature on the whole amount of information such as the bill information and transaction information (including information of both parties of a transaction, trade background information and the like) corresponding to the signing and issuing operation, and the whole amount of information is pushed to a block chain to check the validity of the signing and issuing operation; after receiving the information pushed by the SAS platform, the blockchain checks the identity information, trade background information and the like of both parties and checks whether the total amount of bills issued by an enterprise is over-limit (namely, exceeds the limit amount recorded by the enterprise during registration) by using a zero knowledge authentication technology and the information recorded on the blockchain wallet so as to judge whether the issuing operation is allowed or not; if at least one item of the verification is not passed, the issuing operation is not allowed, and error information needs to be fed back by the block chain to prevent the two parties from carrying out transaction; if the verification passes, the issuing operation is allowed, the block chain applies an authorized encryption/decryption technology, the bill information and the transaction information are encrypted and then recorded on the first block (a unique anti-counterfeiting code can be calculated through an MD5 algorithm, any information is modified, the recalculated anti-counterfeiting code is inconsistent with the original anti-counterfeiting code, the block is invalid if the data is tampered), the block chain wallets of enterprises and suppliers are updated, and the transaction total information is added into the corresponding block chain wallets (namely, the block chain wallet ledger is updated).
After the issuing operation is verified, the primary supplier can apply for financing and can transfer the bill to the subordinate supplier (i.e. the secondary supplier). When a first-level supplier applies financing application to an organization transferee in the operation of an SAS platform, a block chain applies a zero knowledge authentication technology and information recorded on a block chain wallet, identity information, trade background information and the like of the first-level supplier are verified, whether a bill of the first-level supplier is legal and not tampered (including the balance of the bill is consistent with the balance recorded on the block chain) is verified, and whether the bill is overdue is verified. If at least one item of the verification is not passed, the financing application operation is not allowed, and error information needs to be fed back by the block chain to prevent the two parties from carrying out transaction; if the verification is passed, the financing application operation is allowed, and whether the financing application operation meets the preset transaction conditions of the corresponding institution licensee is automatically verified by utilizing a preset first intelligent contract (asset transaction automatic matching intelligent contract) so as to improve the transaction achievement efficiency. The preset transaction conditions include, for example: whether interest rate meets the conditions, bill amount, term, whether the issued enterprise is a predetermined enterprise, etc. And if the preset transaction condition is not met, sending information corresponding to the preset transaction condition to the SAS platform for manual examination and confirmation of whether to execute the payment price-checking operation. And if the preset transaction condition is met, sending a reminding message to the SAS platform so as to execute payment price matching operation on the SAS platform.
The SAS platform needs to synchronously acquire the latest state of a corresponding bill in a block chain from the block chain, and pushes the bill to the block chain after the operation of financing application is executed, wherein the block chain needs to verify the following information: whether the bill is still on-hook (i.e., it can be picked by the acquirer). The block chain feeds back the inspection result to the SAS platform, and if the inspection result passes the verification (namely, the card is still in a listing state), the mechanism transferee completes payment and price matching on the SAS platform; if the verification fails, the blockchain needs to feed back error information to prevent the transaction.
Then, the block chain encrypts the bill information and the transaction information corresponding to the financing application operation by using an authorized encryption/decryption technology and records the encrypted bill information and transaction information on a second block linked with the first block (a unique anti-counterfeiting code is calculated by an MD5 algorithm), so that the linking of the blocks transacted by each hand before and after is realized, each link of the business is faithfully reflected in the block chain, and the traceability and verifiability of the business are realized. And updating the blockchain wallets of the enterprise and the primary supplier, and adding the transaction full-amount information to the corresponding blockchain wallets (namely updating the blockchain wallet ledger).
In addition, referring to fig. 5, after the issuing operation is verified, when the primary provider operates on the SAS platform to transfer the bill flow to the subordinate provider (i.e., the secondary provider), the SAS platform performs electronic signature on the whole amount of information such as the bill information and the transaction information (including information of both parties of the transaction and trade background information) corresponding to the issuing operation, and pushes the electronic signature to the block chain to verify the validity of the issuing operation. Referring to fig. 6 again, the primary supplier may split the bill issued by the enterprise into a master bill and a sub bill, if the primary supplier operates to transfer the sub bill, the related transaction factors (including the master bill and the sub bill) transferred are transferred to the block chain, and the block chain verifies the bill transfer operation through an intelligent contract by using the "zero knowledge authentication technology" and the information recorded on the block chain wallet: respectively checking the identity information, trade background information and the like of the primary supplier and the secondary supplier, checking whether the amount of the mother bill in the current circulation is consistent with the record on the block chain, checking whether the amount of the child bill in the current circulation does not exceed the balance of the mother bill, checking whether the child bill does not expire or the like. The block chain feeds back the verification result to the SAS platform, and if the verification is passed, bill circulation is completed on the SAS platform; if at least one item is not passed through the verification, the block chain needs to feed error information back to the SAS platform to prevent the transaction.
Then, the block chain encrypts the bill information and the transaction information corresponding to the bill operation of the current circulation by using an authorized encryption/decryption technology, and records the encrypted bill information and transaction information on a third block linked with the first block (a unique anti-counterfeiting code is calculated by an MD5 algorithm), so that the linking of the blocks transacted by each hand before and after is realized, each link of the business is faithfully reflected in the block chain, and the business can be traced and verified. And updating the blockchain wallets of the primary supplier and the secondary supplier respectively, and adding the transaction total information to the corresponding blockchain wallets (namely updating the blockchain wallet ledger).
In addition, if there are three or more suppliers, bills can be transferred among the multiple suppliers, and the above transfer process is referred to for brevity, and is not described herein again.
In addition, after the enterprise issues a bill on the SAS platform, the method may further include: and monitoring the bills issued by each enterprise by using a preset second intelligent contract, if the bills of the enterprises are due, sending a clearing reminding message corresponding to the due bills to the preset platform, and synchronizing a clearing result to the block chain wallet of the enterprise after the preset platform finishes the clearing operation. All the participants directly connected with the block chain can directly acquire the result of due payment through the block chain, so that the trusted disclosure of the asset information is realized.
In addition, after the payment of the price may be completed, the method may further include: and pushing bill information corresponding to the payment and price checking operation to the preset platform so that the preset platform can push the bill information to a preset resource management cloud system. After the SAS platform applies the block chain, the data management cloud system is in butt joint with the SAS platform, after an organization acquirer formulates a special plan on the SAS platform, the SAS platform pushes bill information verified by the block chain to the data management cloud system, and other organizations (such as lawyer institutions) can inquire the special plan, the bill details, trade background information and other information on the data management cloud system, so that sufficient and credible information disclosure is realized.
Furthermore, the embodiment of the present invention also provides a computer-readable storage medium, which may be any one or any combination of a hard disk, a multimedia card, an SD card, a flash memory card, an SMC, a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), a portable compact disc read only memory (CD-ROM), a USB memory, and the like. The computer readable storage medium includes a processing system, and the processing system implements the functions when executed by the processor, please refer to the description above with reference to fig. 3 and fig. 4, which will not be described herein again.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method 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, apparatus, article, or method.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A blockchain-based data processing apparatus, the blockchain-based data processing apparatus comprising a memory and a processor connected to the memory, the memory having stored therein a processing system operable on the processor, the processing system when executed by the processor implementing the steps of:
receiving registration information of an enterprise and registration information of at least one level of supplier uploaded by a preset platform on a blockchain, creating a blockchain wallet of the enterprise based on the registration information of the enterprise, and creating the blockchain wallet of the level of supplier based on the registration information of the level of supplier;
if the enterprise signs a bill on the preset platform and the primary supplier signs the bill, after receiving the bill information and the transaction information corresponding to the signing and issuing operation on the blockchain, checking the validity of the signing and issuing operation on the basis of the blockchain wallet of the enterprise, the blockchain wallet of the primary supplier, the bill information and the transaction information corresponding to the signing and issuing operation;
if the signing operation passes the verification, the bill information and the transaction information corresponding to the signing operation are encrypted and recorded on the first block, and the block chain wallet of the enterprise and the block chain wallet of the first-level provider are respectively updated based on the bill information and the transaction information corresponding to the signing operation;
after receiving bill information and transaction information corresponding to the financing application of the first-level provider on the blockchain, verifying the legality of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level provider, the bill information and the transaction information corresponding to the financing application operation, and verifying whether the financing application operation meets the preset transaction condition of the corresponding institution transferee by using a preset first intelligent contract after the verification is passed;
if the preset transaction condition is met, sending a reminding message that the financing application operation meets the preset transaction condition to the preset platform so as to execute a payment price-checking operation on the preset platform, encrypting the bill information and the transaction information corresponding to the financing application operation, recording the encrypted bill information and the encrypted transaction information on a second block linked with the first block, and updating the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the financing application operation.
2. The blockchain-based data processing apparatus of claim 1, wherein the processing system, when executed by the processor, further performs the steps of:
after receiving bill information and transaction information corresponding to the bill flow transferred to the subordinate provider by the primary provider on the blockchain, verifying the validity of the bill flow operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary provider, the bill information and the transaction information corresponding to the bill flow operation;
and if the bill operation of the current circulation passes the verification, encrypting the bill information and the transaction information corresponding to the bill operation of the current circulation and recording the encrypted bill information and the encrypted transaction information on a third block linked with the first block, and updating the block chain wallet of the enterprise, the block chain wallet of the first-level provider and the block chain wallet of the lower-level provider respectively based on the bill information and the transaction information corresponding to the bill operation of the current circulation.
3. The blockchain-based data processing apparatus according to claim 1 or 2, wherein the processing system, when executed by the processor, further performs the steps of:
and monitoring the bills issued by each enterprise by using a preset second intelligent contract, if the bills of the enterprises are due, sending a clearing reminding message corresponding to the due bills to the preset platform, and synchronizing a clearing result to the block chain wallet of the enterprise after the preset platform finishes the clearing operation.
4. The blockchain-based data processing apparatus according to claim 1 or 2, wherein the processing system, when executed by the processor, further performs the steps of:
and pushing bill information corresponding to the payment and price checking operation to the preset platform so that the preset platform can push the bill information to a preset resource management cloud system.
5. A data processing method based on a block chain is characterized in that the data processing method based on the block chain comprises the following steps:
s1, receiving registration information of an enterprise and registration information of at least one level of supplier uploaded by a preset platform on a blockchain, creating a blockchain wallet of the enterprise based on the registration information of the enterprise, and creating the blockchain wallet of the level of supplier based on the registration information of the level of supplier;
s2, if the enterprise signs a bill on the predetermined platform and the primary supplier signs the bill, after receiving the bill information and the transaction information corresponding to the present signing operation on the blockchain, checking the validity of the present signing operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary supplier, the bill information and the transaction information corresponding to the present signing operation;
s3, if the signing operation passes the verification, the bill information and the transaction information corresponding to the signing operation are encrypted and recorded on the first block, and the block chain wallet of the enterprise and the block chain wallet of the first-level supplier are respectively updated based on the bill information and the transaction information corresponding to the signing operation;
s4, after receiving the bill information and the transaction information corresponding to the financing application of the first-level supplier on the blockchain, checking the legality of the financing application operation based on the blockchain wallet of the enterprise, the blockchain wallet of the first-level supplier, the bill information and the transaction information corresponding to the financing application operation, and checking whether the financing application operation meets the preset transaction condition of the corresponding institution acquirer after the check is passed by using a preset first intelligent contract;
and S5, if the preset transaction condition is met, sending a reminding message that the financing application operation meets the preset transaction condition to the preset platform so as to execute a payment price matching operation on the preset platform, encrypting the bill information and the transaction information corresponding to the financing application operation and recording the encrypted bill information and the encrypted transaction information on a second block linked with the first block, and updating the block chain wallet of the enterprise and the block chain wallet of the first-level provider respectively based on the bill information and the transaction information corresponding to the financing application operation.
6. The blockchain-based data processing method according to claim 5, further comprising, after step S3:
after receiving bill information and transaction information corresponding to the bill flow transferred to the subordinate provider by the primary provider on the blockchain, verifying the validity of the bill flow operation based on the blockchain wallet of the enterprise, the blockchain wallet of the primary provider, the bill information and the transaction information corresponding to the bill flow operation;
and if the bill operation of the current circulation passes the verification, encrypting the bill information and the transaction information corresponding to the bill operation of the current circulation and recording the encrypted bill information and the encrypted transaction information on a third block linked with the first block, and updating the block chain wallet of the enterprise, the block chain wallet of the first-level provider and the block chain wallet of the lower-level provider respectively based on the bill information and the transaction information corresponding to the bill operation of the current circulation.
7. The blockchain-based data processing method according to claim 5 or 6, further comprising, after the step S2:
and monitoring the bills issued by each enterprise by using a preset second intelligent contract, if the bills of the enterprises are due, sending a clearing reminding message corresponding to the due bills to the preset platform, and synchronizing a clearing result to the block chain wallet of the enterprise after the preset platform finishes the clearing operation.
8. The blockchain-based data processing method according to claim 5 or 6, further comprising, after the step S5:
and pushing bill information corresponding to the payment and price checking operation to the preset platform so that the preset platform can push the bill information to a preset resource management cloud system.
9. The blockchain-based data processing method according to claim 5 or 6, further comprising, after the step S4:
and if the preset transaction condition is not met, sending information corresponding to the preset transaction condition to the preset platform for manual examination and confirmation of whether to execute the payment price-matching operation.
10. A computer-readable storage medium, having stored thereon a processing system which, when being executed by a processor, carries out the steps of the method for blockchain-based data processing according to any one of claims 5 to 9.
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