CN110942300A - Transfer certificate submitting method, device and storage medium - Google Patents
Transfer certificate submitting method, device and storage medium Download PDFInfo
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- CN110942300A CN110942300A CN201911109979.5A CN201911109979A CN110942300A CN 110942300 A CN110942300 A CN 110942300A CN 201911109979 A CN201911109979 A CN 201911109979A CN 110942300 A CN110942300 A CN 110942300A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
- G06Q20/102—Bill distribution or payments
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
Abstract
The invention provides a transfer certificate submitting method, a device and a storage medium, which relate to the technical field of block chains and the like, and the method comprises the following steps: acquiring an execution result of the first channel closing transaction from the block chain to generate first channel closing notification information and respectively pushing the first channel closing notification information to each client of the first channel; searching a plurality of chain transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched chain transactions; generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to the blockchain node so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to the blockchain; acquiring an execution result of the submission certification transaction from the blockchain to generate submission certification notification information and respectively pushing the submission certification notification information to each client of the first channel; the method and the device ensure that the assets of all users in the channel are not damaged.
Description
Technical Field
The application relates to the technical field of block chains, in particular to a transfer certificate submitting method, device and storage medium.
Background
In another patent application with application number CN201911073994.9 filed by the applicant, it is assumed that a first user sends two down-link transactions tx1 and tx2 to a second user, and the second user sends one down-link transaction tx3 to the first user; when the first client of the first user sends a closed channel transaction (the closed channel transaction only comprises tx3), and the closed channel transaction is finally correctly executed by the block link point, the second client is not on-line due to downtime and the like, and cannot submit tx2 in time, and when the final transaction is cleared, the assets of the second user are damaged.
Disclosure of Invention
In view of the above-described deficiencies or inadequacies in the prior art, it would be desirable to provide a transfer proof submission method, apparatus, and storage medium that ensure that the assets of each user within a channel are not damaged.
In a first aspect, the present invention provides a transfer certificate submission method for a data forwarding server, the data forwarding server storing all of the downlinked transactions, the method comprising:
acquiring an execution result of the first channel closing transaction from the block chain to generate first channel closing notification information and respectively pushing the first channel closing notification information to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user;
searching a plurality of chain transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched chain transactions;
generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to the blockchain node so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to the blockchain;
and acquiring an execution result of the submission certification transaction from the blockchain to generate submission certification notification information and respectively pushing the submission certification notification information to each client of the first channel.
In a second aspect, the present invention provides a transfer certificate submission method suitable for a client, in which a data forwarding server stores all of the offline transactions, the method including:
sending a first authorization transaction including first authorization information to a data forwarding server for the data forwarding server to:
forwarding the first authorization transaction to the blockchain node so that the blockchain node executes the first authorization transaction through the first contract, and recording first authorization information to the blockchain; the first authorization information comprises a public key of the data forwarding server, and the first authorization transaction is generated by the second client;
acquiring an execution result of the first channel closing transaction from the block chain to generate first channel closing notification information and respectively pushing the first channel closing notification information to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user;
searching a plurality of chain transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched chain transactions;
generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to the blockchain node so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to the blockchain;
and acquiring an execution result of the submission certification transaction from the blockchain to generate submission certification notification information and pushing the submission certification notification information to each client of the first channel.
In a third aspect, the present invention also provides an apparatus comprising one or more processors and memory, wherein the memory contains instructions executable by the one or more processors to cause the one or more processors to perform a transfer proof submission method provided in accordance with embodiments of the present invention.
In a fourth aspect, the present invention also provides a storage medium storing a computer program that causes a computer to execute the transfer certificate submitting method provided according to the embodiments of the present invention.
According to the transfer certification submission method, the transfer certification submission device and the storage medium provided by the embodiments of the invention, the execution result of the first channel closing transaction is acquired from the blockchain to generate first channel closing notification information and the first channel closing notification information is respectively pushed to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user; searching a plurality of chain transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched chain transactions; generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to the blockchain node so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to the blockchain; and acquiring an execution result of the submission certification transaction from the blockchain to generate submission certification notification information and respectively pushing the submission certification notification information to each client of the first channel, so as to ensure that the assets of each user in the channel are not damaged.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a flowchart of a transfer certificate submission method according to an embodiment of the present invention.
FIG. 2 is a flow diagram of a preferred embodiment of the method of FIG. 1;
FIG. 3 is a flow chart of another transfer certificate submission method provided by an embodiment of the invention.
Fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In another patent application with application number CN201911073994.9 filed by the applicant, the applicant proposed a transaction mechanism that enables a lightweight user terminal outside a blockchain network to perform a fast and secure offline transaction by configuring a lightning network contract on a blockchain and configuring a data forwarding server (the data forwarding server is the server in the patent document with application number CN 201911073994.9) outside the blockchain network to serve users of the lightning network.
Taking the example that the user a and the user b perform the down-link transaction, and the transfer certificate submitted by the user a only includes the down-link transaction sent by the user b through the data forwarding server, the business logic of the transaction mechanism is as follows:
a and b are respectively registered in a data forwarding server;
a or b sends a channel to a block link point through a data forwarding server to create a transaction tx _ openchannel, and after a lightning network contract successfully executes the tx _ openchannel, a first channel between a and b is created on the link;
a, a deposit transaction tx _ destination _ a of a is sent to a block link point through a data forwarding server, after a lightning network contract is successfully executed tx _ destination _ a, the data forwarding server generates an execution result of tx _ destination _ a and informs a and b, and a and b update the expendable asset limit information of a according to tx _ destination _ a; similarly, b sends the deposit transaction tx _ destination _ b of b and executes the same steps, and finally a and b update the expendable asset limit information of b according to tx _ destination _ b;
a sends a down-link transaction tx _ offchain (a-b) which is transferred from a to b in a first channel to b through a data forwarding server;
b sending a down-link transaction tx _ offchain (b-a) to a through the data forwarding server, wherein the b transfers to a in the first channel;
a, sending a closing channel transaction tx _ close including tx _ offchain (b-a) to a block chain node through a data forwarding server, and closing a first channel between a and b after a lightning network contract successfully executes tx _ close; the data forwarding server generates an execution result of tx _ close and informs a and b;
if the b finds that the tx _ close only comprises tx _ offchain (b-a), the b sends a submission proof transaction tx _ update comprising the tx _ offchain (a-b) to the block link point through the data forwarding server, and after the lightning network contract is successfully executed tx _ update, the data forwarding server generates an execution result of the tx _ update and informs the a and the b;
a or b sends clearing transaction tx _ set to the block chain node through the data forwarding server, and after the lightning network contract executes the tx _ set successfully, assets of a and b are cleared according to tx _ offchain (b-a) and tx _ offchain (a-b).
In the above mechanism, if b does not submit tx _ offchain (b-a) in time, the second user will assume the problem of failing to acquire or failing to acquire sufficient assets.
The problems caused by the above mechanism can be solved by the data acquisition method shown in fig. 1.
Fig. 1 is a flowchart of a transfer certificate submission method according to an embodiment of the present invention. As shown in fig. 1, in this embodiment, the present invention provides a transfer certificate submitting method applicable to a data forwarding server, where all of the offline transactions are stored in the data forwarding server, where the method includes:
s12: acquiring an execution result of the first channel closing transaction from the block chain to generate first channel closing notification information and respectively pushing the first channel closing notification information to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user;
s14: searching a plurality of chain transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched chain transactions;
s16: generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to the blockchain node so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to the blockchain;
s18: and acquiring an execution result of the submission certification transaction from the blockchain to generate submission certification notification information and respectively pushing the submission certification notification information to each client of the first channel.
Specifically, assuming that the transaction amount of the second-link down transaction is configured as the sum of the transaction amount of the previous second-link down transaction and the transaction amount to be transferred as an example, a first user is a, a first client is a, a second user is B, a second client is B, a first contract is a lightning network contract, and two pieces of the second-link down transactions tx1 and tx2, in which a transfers to B, are arranged on the data forwarding server;
in step S12, the data forwarding server obtains the execution result of the first closed channel transaction from the blockchain to generate first closed channel notification information and pushes the first closed channel notification information to a and B, respectively; wherein A generates a first closed channel transaction in response to a closing a first channel between a and b;
in step S14: the data forwarding server locally searches for the down-chain transactions tx1 and tx2 transferred from the a to the b, and as the transaction amount of the down-chain transaction is the sum of the transaction amount of the previous second down-chain transaction and the transaction amount to be transferred, the data forwarding server generates a second transfer certificate according to tx 2;
in step S16, the data forwarding server generates a commit certification transaction according to the second transfer certification and sends the commit certification transaction to the blockchain node, and the blockchain node executes the commit certification transaction through the lightning network contract and records the second transfer certification to the blockchain;
in step S18, the data forwarding server obtains the execution result of the commit certification transaction from the blockchain to generate commit certification notification information, and pushes the commit certification notification information to a and B, respectively.
In more embodiments, if the transaction amount of the second down-link transaction is not configured to be the sum of the transaction amount of the previous second down-link transaction and the transaction amount to be transferred, in step S14, a plurality of down-link transactions transferred from the first user to the second user are searched locally, and a second transfer certificate needs to be generated according to all searched down-link transactions (i.e., tx1 and tx2), so that the same technical effect can be achieved.
The above-described embodiments ensure that the assets of each user within the channel are not damaged.
FIG. 2 is a flow diagram of a preferred embodiment of the method of FIG. 1; as shown in fig. 2, in a preferred embodiment, the method further comprises:
s11: receiving a first authorization transaction which is sent by a second client and comprises first authorization information, sending the first authorization transaction to a block chain node, so that the block chain node executes the first authorization transaction through a first contract, and recording the first authorization information to a block chain; the first authorization information comprises a public key of the data forwarding server, and the first authorization transaction is generated by the second client.
The embodiment enables the user to independently select whether the data forwarding server needs to be authorized to submit the transfer certification, and improves user experience.
Preferably, the first authorization information further includes a channel id.
The embodiment enables the user to selectively authorize the data forwarding server to submit the transfer proof, and improves user experience.
FIG. 3 is a flow chart of another transfer certificate submission method provided by an embodiment of the invention. As shown in fig. 3, in this embodiment, the present invention provides a transfer certificate submitting method suitable for a client, where a data forwarding server stores all linked transactions, and the method includes:
s22: sending a first authorization transaction including first authorization information to a data forwarding server for the data forwarding server to:
forwarding the first authorization transaction to the blockchain node so that the blockchain node executes the first authorization transaction through the first contract, and recording first authorization information to the blockchain; the first authorization information comprises a public key of the data forwarding server, and the first authorization transaction is generated by the second client;
acquiring an execution result of the first channel closing transaction from the block chain to generate first channel closing notification information and respectively pushing the first channel closing notification information to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user;
searching a plurality of chain transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched chain transactions;
generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to the blockchain node so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to the blockchain;
and acquiring an execution result of the submission certification transaction from the blockchain to generate submission certification notification information and pushing the submission certification notification information to each client of the first channel.
The transfer proof submission principle of the above embodiment may refer to the method shown in fig. 2, and will not be described herein.
Fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
As shown in fig. 4, as another aspect, the present application also provides an apparatus 400 including one or more Central Processing Units (CPUs) 401 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)402 or a program loaded from a storage section 408 into a Random Access Memory (RAM) 403. In the RAM403, various programs and data necessary for the operation of the device 400 are also stored. The CPU401, ROM402, and RAM403 are connected to each other via a bus 404. An input/output (I/O) interface 405 is also connected to bus 404.
The following components are connected to the I/O interface 405: an input section 406 including a keyboard, a mouse, and the like; an output section 407 including a display device such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 408 including a hard disk and the like; and a communication section 409 including a network interface card such as a LAN card, a modem, or the like. The communication section 409 performs communication processing via a network such as the internet. A driver 410 is also connected to the I/O interface 405 as needed. A removable medium 411 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 410 as necessary, so that a computer program read out therefrom is mounted into the storage section 408 as necessary.
In particular, according to an embodiment of the present disclosure, the transfer certificate submission method described in any of the above embodiments may be implemented as a computer software program. For example, embodiments of the present disclosure include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program comprising program code for performing a transfer proof submission method. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 409, and/or installed from the removable medium 411.
As yet another aspect, the present application also provides a computer-readable storage medium, which may be the computer-readable storage medium included in the apparatus of the above-described embodiment; or it may be a separate computer readable storage medium not incorporated into the device. The computer readable storage medium stores one or more programs for use by one or more processors in performing the transfer certificate submission methods described herein.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units or modules described in the embodiments of the present application may be implemented by software or hardware. The described units or modules may also be provided in a processor, for example, each of the described units may be a software program provided in a computer or a mobile intelligent device, or may be a separately configured hardware device. Wherein the designation of a unit or module does not in some way constitute a limitation of the unit or module itself.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the present application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. A transfer proof submission method, adapted for use with a data forwarding server, said server having stored therein all of the linked transactions, said method comprising:
acquiring an execution result of a first closed channel transaction from a block chain to generate first closed channel notification information and respectively pushing the first closed channel notification information to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user;
searching a plurality of offline transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched offline transactions;
generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to a blockchain node, so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to a blockchain;
and acquiring the execution result of the submitted certification transaction from the blockchain to generate submitted certification notification information and respectively pushing the submitted certification notification information to each client side of the first channel.
2. The method of claim 1, wherein prior to obtaining the result of the execution of the first closed channel transaction from the blockchain, further comprising:
receiving a first authorization transaction which is sent by the second client and comprises first authorization information, sending the first authorization transaction to the blockchain node, so that the blockchain node executes the first authorization transaction through the first contract, and recording the first authorization information on a blockchain; wherein the first authorization information includes a public key of the data forwarding server, and the first authorization transaction is generated by the second client.
3. The method of claim 2, wherein the first authorization information further comprises a channel id.
4. A transfer certificate submission method, adapted for use with a client, a data forwarding server storing all of the downlinked transactions, the method comprising:
sending a first authorization transaction including first authorization information to the data forwarding server for the data forwarding server to:
forwarding the first authorized transaction to a blockchain node, so that the blockchain node executes the first authorized transaction through the first contract, and recording the first authorization information on a blockchain; wherein the first authorization information comprises a public key of the data forwarding server, and the first authorization transaction is generated by a second client;
acquiring an execution result of a first closed channel transaction from a block chain to generate first closed channel notification information and respectively pushing the first closed channel notification information to each client of the first channel; wherein the first close channel transaction is generated by the first client in response to the first user closing the first channel with the second user;
searching a plurality of offline transactions transferred from the first user to the second user locally, and generating a second transfer certificate according to the searched offline transactions;
generating a submission certification transaction according to the second transfer certification and sending the submission certification transaction to a blockchain node, so that the blockchain node executes the submission certification transaction through the first contract and records the second transfer certification to a blockchain;
and obtaining the execution result of the submitted certification transaction from the blockchain to generate submitted certification notification information and pushing the submitted certification notification information to each client side of the first channel.
5. The method of claim 4, wherein the first authorization information further comprises a channel id.
6. An apparatus, characterized in that the apparatus comprises:
one or more processors;
a memory for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method recited in any of claims 1-5.
7. A storage medium storing a computer program, characterized in that the program, when executed by a processor, implements the method according to any one of claims 1-5.
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