CN110287196B - Block storage method, parallel chain transaction acquisition method, equipment and storage medium - Google Patents
Block storage method, parallel chain transaction acquisition method, equipment and storage medium Download PDFInfo
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Abstract
The invention provides a block storage method, a parallel chain transaction acquisition method, equipment and a storage medium, wherein the method comprises the following steps: receiving a first parallel chain transaction sent by a user terminal; packaging and executing a first block containing a first parallel chain transaction to record the first block onto a first main chain, and storing a first index of the first parallel chain transaction into a database; when the first index is used for the first parallel chain node to obtain the parallel chain transaction, the first main chain node searches the corresponding first parallel chain transaction through the first index, packs the first parallel chain transaction into a parallel chain block and returns the parallel chain block to the first parallel chain node. According to the method and the device, the main chain node receives the parallel chain transaction sent by the user, and then the first index of the parallel chain transaction related to the parallel chain is obtained when the block is stored, and the first index is stored in the database, so that the later-stage parallel chain node can inquire the corresponding parallel chain transaction through the first index when the parallel chain transaction is obtained.
Description
Technical Field
The application relates to the technical field of block chains, in particular to a block storage method, a parallel chain transaction acquisition method, equipment and a storage medium.
Background
At present, the parallel chain transaction storage of a main chain parallel chain is to store the parallel chain transaction sent by a user on a main chain, and does not process the parallel chain transaction, while the parallel chain nodes acquire the parallel chain transaction from the main chain in a way that the parallel chain nodes pull each transaction of each block of the main chain to the main chain, then filter the transactions which do not belong to the parallel chain through the theme of the parallel chain, filter out the transaction data of the parallel chain and pack the transaction data into parallel chain blocks.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an efficient block storage method, parallel chain transaction acquisition method, apparatus and storage medium.
In a first aspect, the present invention provides a block storage method, which is applicable to a main chain node, and includes:
receiving a first parallel chain transaction sent by a user terminal;
packaging and executing a first block containing a first parallel chain transaction to record the first block onto a first main chain, and storing a first index of the first parallel chain transaction into a database; when the first index is used for the first parallel chain node to obtain the parallel chain transaction, the first main chain node searches the corresponding first parallel chain transaction through the first index, packs the first parallel chain transaction into a parallel chain block and returns the parallel chain block to the first parallel chain node.
Further, the first index includes a block hash of the first block and a subject of the first parallel chain transaction.
In a second aspect, the present invention provides a parallel chain transaction obtaining method, in which a block storage method of a first main chain of the method is generated by storage according to the block storage method, and the method is applied to a main chain node, and the method includes:
receiving first request information sent by a first parallel link node; wherein the first request information comprises a first index;
and acquiring a plurality of corresponding first parallel chain transactions according to the first index query, packaging the plurality of parallel chain transactions into a first parallel chain block, and returning the first parallel chain block back to the first parallel chain node for executing and then generating a consensus transaction for parallel chain consensus.
Further, the first index includes a first block hash of the first block and a subject of the first parallel chain transaction, the first block is packaged by the main chain node and is recorded on the first main chain after being executed, and the first block includes the first parallel chain transaction sent by the user terminal.
In a third aspect, the present invention further provides a parallel chain transaction obtaining method, where a block storage method of a first main chain of the method is generated by storage according to the block storage method, and the method is applicable to parallel chain nodes, and the method includes:
sending first request information to a corresponding first main chain node so that the first main chain node can inquire a plurality of corresponding first parallel chain transactions on a main chain according to the first request information, and packaging the plurality of first parallel chain transactions to generate a parallel chain block; wherein the first request information comprises a first index;
after receiving and executing the parallel chain block, generating a consensus transaction for parallel chain consensus.
Further, the first index includes a block hash of the first block and a subject of the first parallel chain transaction, and before sending the first request message to the corresponding first main-chain node, the method further includes:
and obtaining the block hash of the first block from the corresponding first main chain node, and generating a first index according to the block hash.
Further, the parallel chain block includes a first block head and a first block body.
Further, the generating of the consensus transaction after receiving and executing the parallel chain blocks and sending the consensus transaction to the corresponding first main chain node for parallel chain consensus comprises:
determining whether the first block content contains a first parallel chain transaction:
if yes, generating a consensus transaction after executing the parallel chain for carrying out parallel chain consensus;
and if not, generating a vacant area block and generating a consensus transaction for parallel chain consensus.
Further, if not, generating a vacant block and generating a consensus transaction for parallel chain consensus comprises:
judging whether the quantity of the continuously received transactions which do not contain the first parallel chain meets a set first quantity:
if yes, generating a first empty block, generating a consensus transaction, and sending the consensus transaction to the corresponding first main chain node to perform parallel chain consensus.
In a fourth aspect, the present invention also provides an apparatus comprising one or more processors and a memory, wherein the memory contains instructions executable by the one or more processors to cause the one or more processors to perform the block storage method, the parallel chain transaction acquisition method provided according to embodiments of the present invention.
In a fifth aspect, the present invention further provides a storage medium storing a computer program, where the computer program makes a computer execute the block storage method and the parallel chain transaction acquisition method provided in accordance with the embodiments of the present invention.
In the block storage method, the parallel chain transaction acquisition method, the device and the storage medium provided by the embodiments of the present invention, after receiving a parallel chain transaction sent by a user through a main chain node, a first index related to the parallel chain transaction is acquired when the block is stored, and the first index is stored in a database, so that a later-stage parallel chain node can query the corresponding parallel chain transaction through the first index when acquiring the parallel chain transaction.
In addition, when the parallel chain transaction is acquired, the main chain node inquires the parallel chain transaction of the first parallel chain according to the first index, and the parallel chain transaction is packaged into a parallel chain block to return to the parallel chain node; when the transaction of the parallel chain is acquired at the parallel chain link point, only the transaction information about the parallel chain can be received, and the efficiency of acquiring the transaction of the parallel chain at the parallel chain link point is greatly improved.
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 block storage method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a parallel chain transaction acquisition method according to an embodiment of the present invention.
Fig. 3 is a schematic view of a scenario for providing parallel chain transaction acquisition according to an embodiment of the present invention.
Fig. 4 is a flowchart of another parallel chain transaction acquisition method according to an embodiment of the present invention.
FIG. 5 is a flow chart of a preferred embodiment of the method shown in FIG. 4.
FIG. 6 is a flow chart of a preferred embodiment of the method shown in FIG. 5.
Fig. 7 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 the parallel chain main chain mechanism, each node of one parallel chain corresponds to different main chain nodes respectively and can communicate with the corresponding main chain node, and the nodes of the parallel chain cannot communicate with each other. A block transaction of a main chain may comprise transactions of multiple parallel chains.
Fig. 1 is a flowchart of a block storage method according to an embodiment of the present invention.
As shown in fig. 1, in the present embodiment, the present invention provides a block storage method, which is applied to a main chain node, and the method includes:
s11, receiving a first parallel chain transaction sent by a user terminal;
s12, packaging and executing a first block containing the first parallel chain transaction to record the first block on the first main chain, and storing a first index of the first parallel chain transaction in a database; when the first index is used for the first parallel chain node to obtain the parallel chain transaction, the first main chain node searches the corresponding first parallel chain transaction through the first index, packs the first parallel chain transaction into a parallel chain block and returns the parallel chain block to the first parallel chain node.
Specifically, the user a sends a parallel chain transaction tx1 to the main chain node, the main chain node receives the tx1 and packs the tx1 into a first block, and when the main chain node stores the first block, the main chain node acquires a first index of the parallel chain transaction tx1 and stores the first index into a database, so that the parallel chain node a pulls the transaction of the parallel chain to the corresponding main chain node a.
In a preferred embodiment, the first index may include a tile hash blockhash of the first tile and a subject title of the first parallel chain transaction tx1, and further may include a tile height of the first tile, and the like.
In further embodiments, the title of the first parallel chain transaction tx1 may be a name of a parallel chain, or a name of a parallel chain executor, etc. may have characters, letters, or words, or any combination thereof, etc. that uniquely identify the present parallel chain.
Fig. 2 is a flowchart of a parallel chain transaction acquisition method according to an embodiment of the present invention. As shown in fig. 2, in the present embodiment, a parallel chain transaction obtaining method, a block storage method of a first main chain of the method is generated by storage according to the block storage method, and the method is applied to a main chain node, and the method includes:
s21, receiving first request information sent by a first parallel link node; wherein the first request information comprises a first index;
s22, obtaining a plurality of corresponding first parallel chain transactions according to the first index query, packaging the plurality of parallel chain transactions into a first parallel chain block, and returning the first parallel chain block back to the first parallel chain node for execution to generate a consensus transaction for parallel chain consensus.
Specifically, the first request message in step S21 may be a parallel chain transaction message for a tile next to the current tile of the parallel chain requested by the parallel chain node from the corresponding main chain node, or may be a parallel chain transaction message for a number of tiles after the current tile is requested.
In step S22, if the main chain node does not inquire the parallel chain transaction of the first parallel chain through the first index, the block content of the first parallel chain block is configured as empty and returned to the first parallel chain node.
Taking the scenario shown in fig. 3 as an example, the parallel chain node acquires the transaction of the parallel chain from the corresponding main chain node. The parallel chain node a pulls a block Hash of a block (a block 3 in the figure) from the main chain node, then the node a generates a first index according to the blockhash and a subject title of the parallel chain, and the first index is inquired, acquired and then packaged into a parallel chain block and returned to the parallel chain node a, so that the a can send a consensus transaction to the main chain node A for parallel chain consensus after receiving the transaction and executing the consensus transaction.
Fig. 4 is a flowchart of another parallel chain transaction acquisition method according to an embodiment of the present invention. As shown in fig. 4, the block storage method of the first main chain of the method is generated according to the above block storage method, and the method is applied to parallel chain nodes, and the method includes:
s31, sending first request information to a corresponding first main chain node for the first main chain node to inquire a plurality of corresponding first parallel chain transactions on a main chain according to the first request information, and packaging the plurality of first parallel chain transactions to generate a parallel chain block; wherein the first request information comprises a first index;
and S32, generating a consensus transaction for parallel chain consensus after receiving and executing the parallel chain blocks.
The implementation principle of the method shown in fig. 4 is substantially the same as that of the method shown in fig. 2, and is not described herein again.
Preferably, the first index includes a block hash of the first block and a subject of the first parallel chain transaction, and before sending the first request message to the corresponding first main-chain node, the method further includes:
and obtaining the block hash of the first block from the corresponding first main chain node, and generating a first index according to the block hash.
Taking the scenario shown in fig. 3 as an example, the parallel chain node a obtains the transaction of the parallel chain from the corresponding main chain node a. The parallel chain node a pulls a block Hash of a block (a block 3 in the figure) from the main chain node, then the node a generates a first index according to the blockhash and a subject title of the parallel chain, and the first index is inquired, acquired and then packaged into a parallel chain block and returned to the parallel chain node a, so that the a can send a consensus transaction to the main chain node A for parallel chain consensus after receiving the transaction and executing the consensus transaction.
FIG. 5 is a flow chart of a preferred embodiment of the method shown in FIG. 4. As shown in fig. 5, in the present embodiment, the parallel chain block includes a first block head and a first block body. Step S32 includes:
s321, determining whether the content of the first block contains a first parallel chain transaction:
if yes, generating a consensus transaction after executing the parallel chain for performing parallel chain consensus;
if not, generating a vacant area block and generating a consensus transaction for parallel chain consensus
Specifically, after a main chain node inquires a parallel chain transaction of a parallel chain, packaging the parallel chain transaction into a parallel chain block and returning the parallel chain block to the parallel chain node, wherein the parallel chain block comprises a block head and a block body, after receiving the parallel chain block, the parallel chain node judges whether the content in the block body contains the transaction of the parallel chain, and if so, executing the parallel chain transaction and sending a consensus transaction to the main chain node for consensus of the parallel chain; if not, the parallel chain block is packed into a null block and the consensus transaction is sent to the main chain node for parallel chain consensus.
FIG. 6 is a flow chart of a preferred embodiment of the method shown in FIG. 5. As shown in fig. 6, in this embodiment, S3211 determines whether the continuously received number that does not include the first parallel chain transaction satisfies a set first number:
if yes, generating a first empty block, generating a consensus transaction, and sending the consensus transaction to the corresponding first main chain node to perform parallel chain consensus.
Specifically, taking the scenario shown in fig. 3 as an example, the parallel chain node a requests the main chain node a for the parallel chain transaction information of the block 3, the main chain node does not inquire the transaction of the parallel chain in the block 3, then packs the parallel chain block with an empty block and returns to the parallel chain node a, after receiving and determining the parallel chain node a, the parallel chain node a does not process, and continues to request the main chain node for the parallel chain transaction information of the block 4, but the main chain node does not inquire the transaction of the parallel chain in the block 4, then packs the parallel chain block with an empty block and returns to the parallel chain node a, after receiving and determining the parallel chain node a, the parallel chain node a does not process, and continues to request the parallel chain transaction information … … of the block 5 for the main chain node, if the number of blocks of the requested main chain exceeds the set number (for example, 50), then the parallel chain node packs an empty block to the parallel chain and records on the parallel chain, if there are transactions of parallel chain in more than 50 blocks (e.g., 30 th block), then the parallel chain block of the parallel chain transaction is recorded on the parallel chain.
Preferably, the parallel chain node can apply 50 blocks to the main chain node at one time, if all the blocks are empty, the blocks are packed into empty blocks, and if some blocks contain parallel chain transactions, the parallel chain blocks of the parallel chain transactions are recorded on the parallel chains.
Fig. 7 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
As shown in fig. 7, as another aspect, the present application also provides an apparatus 700 including one or more Central Processing Units (CPUs) 701 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)702 or a program loaded from a storage section 708 into a Random Access Memory (RAM) 703. In the RAM703, various programs and data necessary for the operation of the apparatus 700 are also stored. The CPU701, the ROM702, and the RAM703 are connected to each other via a bus 704. An input/output (I/O) interface 705 is also connected to bus 704.
The following components are connected to the I/O interface 705: an input portion 706 including a keyboard, a mouse, and the like; an output section 707 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 708 including a hard disk and the like; and a communication section 709 including a network interface card such as a LAN card, a modem, or the like. The communication section 709 performs communication processing via a network such as the internet. A drive 710 is also connected to the I/O interface 705 as needed. A removable medium 711 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 710 as necessary, so that a computer program read out therefrom is mounted into the storage section 708 as necessary.
In particular, according to an embodiment of the present disclosure, the block storage method and the parallel chain transaction acquisition 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 block storage method, a parallel chain transaction acquisition method. In such an embodiment, the computer program can be downloaded and installed from a network through the communication section 709, and/or installed from the removable medium 711.
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 block storage method, parallel chain transaction acquisition method, and the like 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 (11)
1. A method for block storage, the method being applied to a main chain node, the method comprising:
receiving a first parallel chain transaction sent by a user terminal;
packaging and executing a first block containing the first parallel chain transaction to record the first block onto a first main chain, and storing a first index of the first parallel chain transaction into a database; when the first index is used for the first parallel chain node to obtain the parallel chain transaction, the first main chain node searches the corresponding first parallel chain transaction through the first index, packs the first parallel chain transaction into a parallel chain block and returns the parallel chain block to the first parallel chain node.
2. The method of claim 1, wherein the first index comprises a block hash of the first block and a subject of the first parallel chain transaction.
3. A parallel chain transaction acquisition method, wherein the block storage method of the first main chain of the method is generated according to the method of claim 1, and the method is applied to the main chain node, and the method comprises:
receiving first request information sent by a first parallel link node; wherein the first request information comprises a first index;
and acquiring a plurality of corresponding first parallel chain transactions according to the first index query, packaging the plurality of parallel chain transactions into a first parallel chain block, and returning the first parallel chain block to the first parallel chain node for execution to generate a consensus transaction for parallel chain consensus.
4. The method of claim 3, wherein the first index comprises a first chunk hash of a first chunk and a subject of the first parallel chain transaction, wherein the first chunk is packaged by a main chain node and recorded on a first main chain after being executed, and wherein the first chunk comprises the first parallel chain transaction sent by a user terminal.
5. A parallel chain transaction acquisition method, wherein the block storage method of the first main chain of the method is generated according to the method of claim 1, and the method is applied to parallel chain nodes, and the method comprises:
sending first request information to a corresponding first main chain node so that the first main chain node can inquire a plurality of corresponding first parallel chain transactions on a main chain according to the first request information, and packaging the first parallel chain transactions to generate a parallel chain block; wherein the first request information comprises a first index;
and after receiving and executing the parallel chain block, generating a consensus transaction for parallel chain consensus.
6. The method of claim 5, wherein the first index comprises a block hash of the first block and a subject of the first parallel chain transaction, and wherein sending the first request message to the corresponding first backbone node further comprises:
and obtaining the block hash of the first block from the corresponding first main chain node, and generating the first index according to the block hash.
7. The method of claim 6, wherein the parallel chain blocks comprise a first block head and a first block body.
8. The method of claim 7, wherein the receiving and executing the parallel chain block to generate a consensus transaction to be sent to the corresponding first main chain node for parallel chain consensus comprises:
determining whether the first block content contains a first parallel chain transaction:
if yes, generating a consensus transaction after executing the parallel chain for performing parallel chain consensus;
and if not, generating a vacant area block and generating a consensus transaction for parallel chain consensus.
9. The method of claim 8, wherein the no, generating a null block and generating consensus that a consensus transaction has performed parallel chain consensus comprises:
judging whether the number of the continuously received transactions which do not contain the first parallel chain meets a set first number:
if yes, generating a first empty block, generating a consensus transaction, and sending the consensus transaction to the corresponding first main chain node to perform parallel chain consensus.
10. A computer device, the device comprising:
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 1-9.
11. 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 1-9.
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| CN111404961B (en) * | 2020-03-26 | 2022-06-28 | 杭州复杂美科技有限公司 | Federation link point data transmission method, equipment and storage medium |
| CN111404962B (en) * | 2020-03-26 | 2022-06-24 | 杭州复杂美科技有限公司 | Federation link point data transmission method, equipment and storage medium |
| CN111524011B (en) * | 2020-05-06 | 2023-05-30 | 杭州复杂美科技有限公司 | Parallel link consensus validation method, apparatus, and storage medium |
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