CN113888328A - Non-homogeneous asset group cross-chain transaction method, equipment and storage medium - Google Patents
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Abstract
The invention belongs to the technical field of computers, and particularly relates to a non-homogeneous asset cross-chain transaction method, equipment and a storage medium.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a non-homogeneous asset group cross-chain transaction method, equipment and a storage medium.
Background
Many assets on the block chain are homogeneous, such as tokens, but the heterogeneous assets are more and more popular nowadays, for example, in the fields of games, artworks, collections and the like, the heterogeneous assets are more and more concerned, but the circulation of the heterogeneous assets is limited to be in the same block chain at present, and the circulation across the chain still has certain difficulty.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cross-chain transaction method, equipment and a storage medium for non-homogeneous assets groups, and solves the problem that the non-homogeneous assets are not easy to transfer in a cross-chain mode.
In order to achieve the purpose, the invention adopts the following technical scheme.
In a first aspect, a non-homogeneous asset group cross-link transaction method is provided, where the method is applied to a blockchain system, where the blockchain system at least includes a first blockchain and a second blockchain, where one of the first blockchain and the second blockchain is a main chain and the other is a parallel chain, a non-homogeneous asset cross-link transaction contract is deployed in the blockchain system, and non-homogeneous assets in the blockchain system are both registered with additional assets based on the non-homogeneous asset cross-link transaction contract, and include a transaction record hash obtained by performing a hash operation on a transaction record of a corresponding non-homogeneous asset and an authentication certificate hash obtained by performing a hash operation on an authentication certificate of a corresponding non-homogeneous asset, where the method includes:
receiving a first transfer transaction constructed based on a first asset group, asset information of the first asset and receiving user information, wherein the first asset is a non-homogeneous asset, the first asset group comprises the first asset and additional assets thereof, the additional assets comprise transaction records and authentication certificates, the additional assets are registered on the first asset through corresponding hash values of the additional assets, fixed attribute information of the first asset comprises an issuer, a unique ID and casting parameters of the first asset, the first transfer transaction comprises the fixed attribute information of the first asset, ownership information and a first asset group identity hash, and the first asset group hash is obtained by carrying out hash operation based on the first asset and the additional assets;
according to the first transfer transaction, calling a non-homogeneous asset cross-chain transaction contract of the first block chain to generate a first transaction instruction, wherein the first transaction instruction is used for modifying the state identifier and the owner of the first asset or destroying the first asset; the method of modifying the status identification and owner of a first asset or destroying the first asset comprises: judging whether the first asset is a derived asset or a native asset, destroying the first asset if the first asset is the derived asset, modifying the state identifier of the first asset into a logout state if the first asset is the native asset, and setting the owner of the first asset as a non-homogeneous asset cross-chain trading contract; the primary asset being a non-homogeneous asset formed in a current blockchain, the derived asset being a non-homogeneous asset cast by the primary asset transferring across the chain;
the first transfer transaction is synchronized to a second blockchain based on the heterogeneous asset cross-chain transaction contract, after the first transfer transaction is executed and identified on the first blockchain, the second blockchain calls the heterogeneous asset cross-chain transaction contract of the first blockchain based on the first transfer transaction to generate a second transaction instruction, and the second transaction instruction is used for casting or activating a second asset at the second blockchain side and generating a copy of the additional asset of the first asset to be registered to the second asset; the second asset is a derived asset or a native asset of the first asset;
updating a transaction record registered on the second asset after the first handover transaction is facilitated.
Preferably, the method of casting or activating a second asset at the second blockchain side comprises:
when the first asset is an original production asset, casting the second asset directly based on the fixed attribute information of the first asset in the first transfer transaction;
the method is applicable to a blockchain system, the blockchain system at least comprises a first blockchain and a second blockchain, one of the first blockchain and the second blockchain is a main chain and the other is a parallel chain, a non-homogeneous asset cross-chain transaction contract is deployed in the blockchain system, additional assets are registered in the non-homogeneous assets in the blockchain system based on the non-homogeneous asset cross-chain transaction contract, a transaction record hash and an authentication certificate hash are obtained by performing hash operation on transaction records corresponding to the non-homogeneous assets, and the authentication certificate hash is obtained by performing hash operation on authentication certificates corresponding to the non-homogeneous assets, and the method comprises the following steps:
receiving a first transfer transaction constructed based on a first asset group, asset information of the first asset and receiving user information, wherein the first asset is a non-homogeneous asset, the first asset group comprises the first asset and additional assets thereof, the additional assets comprise transaction records and authentication certificates, the additional assets are registered on the first asset through corresponding hash values of the additional assets, fixed attribute information of the first asset comprises an issuer, a unique ID and casting parameters of the first asset, the first transfer transaction comprises the fixed attribute information of the first asset, ownership information and a first asset group identity hash, and the first asset group hash is obtained by carrying out hash operation based on the first asset and the additional assets;
according to the first transfer transaction, calling a non-homogeneous asset cross-chain transaction contract of the first block chain to generate a first transaction instruction, wherein the first transaction instruction is used for modifying the state identifier and the owner of the first asset or destroying the first asset; the method of modifying the status identification and owner of a first asset or destroying the first asset comprises: judging whether the first asset is a derived asset or a native asset, destroying the first asset if the first asset is the derived asset, modifying the state identifier of the first asset into a logout state if the first asset is the native asset, and setting the owner of the first asset as a non-homogeneous asset cross-chain trading contract; the primary asset being a non-homogeneous asset formed in a current blockchain, the derived asset being a non-homogeneous asset cast by the primary asset transferring across the chain;
the first transfer transaction is synchronized to a second blockchain based on the heterogeneous asset cross-chain transaction contract, after the first transfer transaction is executed and identified on the first blockchain, the second blockchain calls the heterogeneous asset cross-chain transaction contract of the first blockchain based on the first transfer transaction to generate a second transaction instruction, and the second transaction instruction is used for casting or activating a second asset at the second blockchain side and generating a copy of the additional asset of the first asset to be registered to the second asset; the second asset is a derived asset or a native asset of the first asset;
updating a transaction record registered on the second asset after the first handover transaction is facilitated.
Preferably, the validity of the first asset is determined before the second transaction instruction is executed, and if the first asset is invalid, the execution of the first transfer transaction is terminated.
Preferably, if the third transaction instruction fails to execute, the asset status of the first asset is restored.
In a second aspect, a computer device is provided, 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 as described in the first aspect above.
In a third aspect, there is provided a storage medium storing a computer program which, when executed by a processor, implements the method as described in the first aspect above.
The method has the advantage of realizing cross-chain transfer of the non-homogeneous asset group.
Drawings
Fig. 1 is a schematic structural diagram of a computer device according to embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and the attached drawing figures. Those skilled in the art will be able to implement the invention based on these teachings. Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention. Unless otherwise specified, the methods described in the examples of the present invention are all those known to those skilled in the art.
Example 1
The embodiment provides a non-homogeneous asset cross-chain transaction method, which is applicable to a blockchain system, where the blockchain system at least includes a first blockchain and a second blockchain, where one of the first blockchain and the second blockchain is a main chain and the other is a parallel chain, a non-homogeneous asset cross-chain transaction contract is deployed in the blockchain system, transaction record hashes and authentication certificate hashes are registered in the non-homogeneous asset cross-chain transaction contract based on the non-homogeneous asset cross-chain transaction contract, the transaction record hashes are obtained by performing hash operations on transaction records corresponding to the non-homogeneous asset, and the authentication certificate hashes are obtained by performing hash operations on authentication certificates corresponding to the non-homogeneous asset, and the method includes:
receiving a first transfer transaction constructed based on a first asset group, asset information of the first asset and receiving user information, wherein the first asset is a non-homogeneous asset, the first asset group comprises the first asset and additional assets thereof, the additional assets comprise transaction records and authentication certificates, the additional assets are registered on the first asset through corresponding hash values, fixed attribute information of the first asset comprises an issuer, a unique ID and casting parameters of the first asset, the first transfer transaction comprises the fixed attribute information of the first asset, ownership information and a first asset group identity hash, and the first asset group hash is obtained by carrying out hash operation based on the first asset, the transaction records and the authentication certificates;
according to the first transfer transaction, calling a non-homogeneous asset cross-chain transaction contract of the first block chain to generate a first transaction instruction, wherein the first transaction instruction is used for modifying the state identifier and the owner of the first asset or destroying the first asset; the method of modifying the status identification and owner of a first asset or destroying the first asset comprises: judging whether the first asset is a derived asset or a native asset, destroying the first asset if the first asset is the derived asset, modifying the state identifier of the first asset into a logout state if the first asset is the native asset, and setting the owner of the first asset as a non-homogeneous asset cross-chain trading contract; the primary asset being a non-homogeneous asset formed in a current blockchain, the derived asset being a non-homogeneous asset cast by the primary asset transferring across the chain;
the first transfer transaction is synchronized to a second blockchain based on the heterogeneous asset cross-chain transaction contract, after the first transfer transaction is executed and identified on the first blockchain, the second blockchain calls the heterogeneous asset cross-chain transaction contract of the first blockchain based on the first transfer transaction to generate a second transaction instruction, and the second transaction instruction is used for casting or activating a second asset at the second blockchain side and generating a copy of the additional asset of the first asset to be registered to the second asset; the second asset is a derived asset or a native asset of the first asset;
updating a transaction record registered on the second asset after the first handover transaction is facilitated.
Further, the method for activating the second asset at the second blockchain side comprises the following steps:
and when the first asset is a derived asset, judging whether a second block chain has a second asset in a logout state, if so, modifying the second state identifier to be effective, otherwise, casting the second asset based on the fixed attribute information of the first asset in the first transfer transaction.
Further, before executing the second transaction instruction, the validity of the first asset is judged, and if the validity is invalid, the execution of the first transfer transaction is terminated.
Further, if the third transaction instruction fails to be executed, the asset state of the first asset is recovered.
The principle of the scheme provided by the embodiment is that the most difference between the non-homogeneous asset and the homogeneous asset is uniqueness, only certain users can hold the assets at the same time, and if the assets are transferred, corresponding owners need to be replaced; the non-homogeneous asset transfer record or the authentication signature record can also be used as a non-homogeneous asset, the non-homogeneous asset exists and is linked up on a chain in a non-homogeneous asset mode, the non-homogeneous asset transfer across the chain forms an asset group when the transfer record or the authentication signature record needs to be transferred together, the transfer is needed to be carried out in a asset group mode, when the non-homogeneous asset group is transferred across the chain, the state of the non-homogeneous asset needs to be modified to be cancelled or destroyed on the side of an initiating chain, casting or activating is carried out on the side of a target chain, and then the same additional asset is generated on the side of the target chain and is registered on the cast or activated homogeneous asset. For example, in main chain destruction, in parallel chain casting, based on the same transfer transaction, the method is executed first on the main chain side, and first, whether the non-homogeneous asset meets the conditions is determined, for example, whether the non-homogeneous asset exists or not is judged, whether the time is effective or not, and the like, if the conditions are met, the transaction execution is successful, and the non-homogeneous asset is destroyed (the derived asset is on the initiating chain side); the parallel chain then synchronizes the same transaction, with the parallel chain side making or casting (the target chain side being a derivative asset) and registering additional assets, and if activation or casting fails, e.g., the asset status cannot be modified or casting cannot be performed, the main chain side needs to restore the asset status to a valid status or to restore the destroyed asset.
Example 2
A computer device, the device comprising: one or more processors; memory for storing one or more programs that, when executed by the one or more processors, cause the one or more processors to perform the method of embodiment 1.
A storage medium storing a computer program which, when executed by a processor, implements the method as described in embodiment 1 above.
Fig. 1 is a schematic structural diagram of an apparatus provided in this embodiment.
As shown in fig. 1, as another aspect, the present application also provides a computer apparatus 500 including one or more Central Processing Units (CPUs) 501 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)502 or a program loaded from a storage section 508 into a Random Access Memory (RAM) 503. In the RAM503, various programs and data necessary for the operation of the apparatus 500 are also stored. The CPU501, ROM502, and RAM503 are connected to each other via a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input portion 506 including a keyboard, a mouse, and the like; an output portion 507 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication via a network such as the internet, and the processing driver 510 is also connected to the I/O interface 505 as necessary. A removable medium 511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 510 as necessary, so that a computer program read out therefrom is mounted into the storage section 508 as necessary.
In particular, according to the embodiments disclosed in the present application, the method described in the above embodiment 1 may be implemented as a computer software program. For example, embodiments disclosed herein include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program comprising program code for performing the method described in any of the embodiments above. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 509, and/or installed from the removable medium 511.
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 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 (6)
1. A non-homogeneous asset cross-chain transaction method is applicable to a blockchain system, the blockchain system at least comprises a first blockchain and a second blockchain, one of the first blockchain and the second blockchain is a main chain and the other is a parallel chain, a non-homogeneous asset cross-chain transaction contract is deployed in the blockchain system, transaction record hashes and identification certificate hashes are registered in the non-homogeneous asset cross-chain transaction contracts in the blockchain system on the basis of the non-homogeneous asset cross-chain transaction contracts, the transaction record hashes are obtained by performing hash operation on transaction records of corresponding non-homogeneous assets, and the identification certificate hashes are obtained by performing hash operation on identification certificates of corresponding non-homogeneous assets, and the method comprises the following steps:
receiving a first transfer transaction constructed based on a first asset group, asset information of the first asset and receiving user information, wherein the first asset is a non-homogeneous asset, the first asset group comprises the first asset and additional assets thereof, the additional assets comprise transaction records and authentication certificates, the additional assets are registered on the first asset through corresponding hash values, fixed attribute information of the first asset comprises an issuer, a unique ID and casting parameters of the first asset, the first transfer transaction comprises the fixed attribute information of the first asset, ownership information and a first asset group identity hash, and the first asset group hash is obtained by carrying out hash operation based on the first asset, the transaction records and the authentication certificates;
according to the first transfer transaction, calling a non-homogeneous asset cross-chain transaction contract of the first block chain to generate a first transaction instruction, wherein the first transaction instruction is used for modifying the state identifier and the owner of the first asset or destroying the first asset; the method of modifying the status identification and owner of a first asset or destroying the first asset comprises: judging whether the first asset is a derived asset or a native asset, destroying the first asset if the first asset is the derived asset, modifying the state identifier of the first asset into a logout state if the first asset is the native asset, and setting the owner of the first asset as a non-homogeneous asset cross-chain trading contract; the primary asset being a non-homogeneous asset formed in a current blockchain, the derived asset being a non-homogeneous asset cast by the primary asset transferring across the chain;
the method is applicable to a blockchain system, the blockchain system at least comprises a first blockchain and a second blockchain, one of the first blockchain and the second blockchain is a main chain and the other is a parallel chain, a non-homogeneous asset cross-chain transaction contract is deployed in the blockchain system, additional assets are registered in the non-homogeneous assets in the blockchain system based on the non-homogeneous asset cross-chain transaction contract, a transaction record hash and an authentication certificate hash are obtained by performing hash operation on transaction records corresponding to the non-homogeneous assets, and the authentication certificate hash is obtained by performing hash operation on authentication certificates corresponding to the non-homogeneous assets, and the method comprises the following steps:
receiving a first transfer transaction constructed based on a first asset group, asset information of the first asset and receiving user information, wherein the first asset is a non-homogeneous asset, the first asset group comprises the first asset and additional assets thereof, the additional assets comprise transaction records and authentication certificates, the additional assets are registered on the first asset through corresponding hash values of the additional assets, fixed attribute information of the first asset comprises an issuer, a unique ID and casting parameters of the first asset, the first transfer transaction comprises the fixed attribute information of the first asset, ownership information and a first asset group identity hash, and the first asset group hash is obtained by carrying out hash operation based on the first asset and the additional assets;
according to the first transfer transaction, calling a non-homogeneous asset cross-chain transaction contract of the first block chain to generate a first transaction instruction, wherein the first transaction instruction is used for modifying the state identifier and the owner of the first asset or destroying the first asset; the method of modifying the status identification and owner of a first asset or destroying the first asset comprises: judging whether the first asset is a derived asset or a native asset, destroying the first asset if the first asset is the derived asset, modifying the state identifier of the first asset into a logout state if the first asset is the native asset, and setting the owner of the first asset as a non-homogeneous asset cross-chain trading contract; the primary asset being a non-homogeneous asset formed in a current blockchain, the derived asset being a non-homogeneous asset cast by the primary asset transferring across the chain;
the first transfer transaction is synchronized to a second blockchain based on the heterogeneous asset cross-chain transaction contract, after the first transfer transaction is executed and identified on the first blockchain, the second blockchain calls the heterogeneous asset cross-chain transaction contract of the first blockchain based on the first transfer transaction to generate a second transaction instruction, and the second transaction instruction is used for casting or activating a second asset at the second blockchain side and generating a copy of the additional asset of the first asset to be registered to the second asset; the second asset is a derived asset or a native asset of the first asset;
updating a transaction record registered on the second asset after the first handover transaction is facilitated.
2. The method of claim 1, wherein the method of casting or activating a second asset at a side of a second blockchain comprises:
when the first asset is an original production asset, casting the second asset directly based on the fixed attribute information of the first asset in the first transfer transaction;
when the first asset is a derived asset, judging whether a second block chain is a chain where a primary asset of the first asset is located, if so, modifying the state identifier of the second asset to be effective, otherwise, casting the second asset based on the fixed attribute information of the first asset in the first transfer transaction, performing hash operation based on the second asset and additional assets to obtain a second asset group hash, and judging whether the first asset group hash is the same as the second asset group hash, if so, transferring successfully.
3. The method of claim 1, wherein the validity of the first asset is determined before the second transaction instruction is executed, and if the first asset is invalid, execution of the first transfer transaction is terminated.
4. The method of claim 1, wherein if the third transaction instruction fails to execute, the asset status of the first asset is restored.
5. A computer device, characterized by 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 1-4.
6. 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 1-4.
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