CN116342265A - Block chain-based non-homogeneous digital asset data processing method and system - Google Patents

Block chain-based non-homogeneous digital asset data processing method and system Download PDF

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CN116342265A
CN116342265A CN202211636650.6A CN202211636650A CN116342265A CN 116342265 A CN116342265 A CN 116342265A CN 202211636650 A CN202211636650 A CN 202211636650A CN 116342265 A CN116342265 A CN 116342265A
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张春生
陆川
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Chengdu Shuzhi Express Technology Co ltd
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Abstract

The application discloses a block chain-based non-homogeneous digital asset data processing method and system, and relates to the technical field of digital asset processing. The method comprises the following steps: initiating an rights transfer instruction according to the received digital asset transfer request; the rights transfer instruction is an instruction for transferring the non-homogeneous digital asset to be transferred out of the service chain to be transferred into the service chain; based on the ownership transfer instruction, calling the service chain to be transferred out to inquire whether a transfer-out person asset number exists in the service chain to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset; verifying whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset; and calling the service chain to be transferred to update the asset data in the service chain to be transferred. By the method, the non-homogeneous digital asset can be subjected to cross-chain transfer, so that the right confirmation of the non-homogeneous digital asset is facilitated.

Description

Block chain-based non-homogeneous digital asset data processing method and system
Technical Field
The present disclosure relates to the field of digital asset processing technologies, and in particular, to a blockchain-based method and system for processing non-homogeneous digital asset data.
Background
Our real world property, vehicles, etc. fixed assets can justify that we are proprietary to the good by buying invoices or property certificates, but virtual world output is very difficult to define property problems, and the advent of non-homogenous digital assets (NFT) has exactly solved property problems in the virtual world. Non-homogeneous digital asset (NFT), collectively referred to as Non-homogeneous Token, is the only cryptocurrency Token used to represent a digital asset, which may represent either a real asset or a digital asset.
Currently, different platforms employ different blockchain storage digital assets, and the requirements of non-homogeneous digital asset (NFT) interconversions created and purchased by users on the respective platforms are becoming more and more intense based on the requirements of digital asset transactions and asset pooling. However, prior art non-homogenous digital assets cannot be transferred across chains, thereby affecting the validation of rights for the non-homogenous digital asset.
Disclosure of Invention
The main purpose of the application is to provide a block chain-based non-homogeneous digital asset data processing method and system, which aim to solve the technical problem that the non-homogeneous digital asset cannot be transferred across chains in the prior art, so that the confirmation of the rights of the non-homogeneous digital asset is affected.
To achieve the above object, a first aspect of the present application provides a blockchain-based non-homogeneous digital asset data processing method, the method comprising:
initiating an rights transfer instruction according to the received digital asset transfer request; the rights transfer instruction is an instruction for transferring the non-homogeneous digital asset to be transferred out of the service chain to be transferred into the service chain;
based on the ownership transfer instruction, calling the service chain to be transferred out to inquire whether a transfer-out person asset number exists in the service chain to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset;
verifying whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset under the condition that the transfer-out asset number exists in the service chain to be transferred out;
and under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, the service chain to be transferred in is called to update the asset data in the service chain to be transferred in.
Optionally, the verifying whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset if the transfer out asset number exists in the service chain to be transferred out is queried, including:
under the condition that the number of the transfer-out asset exists in the service chain of the to-be-transferred-out asset, decrypting the signature character string by utilizing the public key of the transfer-out asset to obtain decrypted data; wherein the exporter asset public key is a public key of a target non-homogeneous digital asset; the signature character string is generated based on asset transfer request information in the digital asset transfer request in an encryption mode;
and judging whether the decrypted data is consistent with the asset transfer request information or not based on the decrypted data and the asset transfer request information so as to verify whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset or not.
Optionally, before the step of decrypting the signature string with the public key of the exporter asset to obtain the decrypted data, in the case that the exporter asset number is found to be present in the service chain of the to-be-exported, the method further includes:
Sorting, based on the equity transfer instruction, the transfer asset number, the transfer wallet address, the transfer public key, and the initial of the current time; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset created by the business chain to be turned out; the transfer-out wallet address is the wallet address of the user corresponding to the service chain to be transferred out, and the transfer-in wallet address is the wallet address of the user corresponding to the service chain to be transferred in;
splicing the sequenced transfer-out asset number, the transfer-in wallet address, the transfer-out public key and the initial of the current time to generate character data;
the character data is encrypted based on the rotor private key and an asymmetric encryption algorithm to generate a signature string.
Optionally, the calling the service chain to be transferred to update the asset data in the service chain to be transferred to under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset includes:
under the condition that the non-homogeneous digital asset in the business chain to be transferred out is verified to be the target non-homogeneous digital asset, storing the corresponding relation between the address of the transfer-in wallet and the asset number of the transfer-out into a public chain;
And calling the service chain to be transferred based on the corresponding relation between the address of the transfer-in wallet and the asset number of the transfer-out wallet so as to update the asset data in the service chain to be transferred.
Optionally, before the step of initiating the rights transfer instruction according to the received digital asset transfer request, the method further includes:
invoking a public chain to acquire user information; wherein the user information includes a wallet address;
invoking a service chain to be transferred out based on the user information so as to create a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain to be transferred out;
the asset number and the wallet address are communicated to the common chain such that the common chain stores the wallet address and the asset number.
Optionally, the invoking the common chain to obtain user information includes:
invoking a public chain to cause the public chain to create user information; wherein the user information further comprises a public key;
and receiving the public key returned by the public chain and the wallet address.
In a second aspect, the present application provides a blockchain-based non-homogenous digital asset data processing system, the system comprising:
The public chain is used for storing wallet addresses, asset numbers and corresponding relations between the wallet addresses and the asset numbers in the user information;
a service chain to be transferred out is used for storing the target non-homogeneous digital asset; wherein the target non-homogenized digital asset corresponds to a turnout asset number;
the business chain to be transferred is used for storing the transfer-in asset public key and the transfer-out asset number;
the business system is used for initiating an ownership transfer instruction according to the received digital asset transfer request; based on the ownership transfer instruction, calling the service chain to be transferred out to inquire whether a transfer-out person asset number exists in the service chain to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset; verifying whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset under the condition that the transfer-out asset number exists in the service chain to be transferred out; and under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, the service chain to be transferred in is called to update the asset data in the service chain to be transferred in.
Optionally, the service system is further configured to decrypt, when it is queried that the number of the turnout asset exists in the service chain of the to-be-turnout, the signature string with the public key of the turnout asset, so as to obtain decrypted data; wherein the exporter asset public key is a public key of a target non-homogeneous digital asset; the signature character string is generated based on asset transfer request information in the digital asset transfer request in an encryption mode; and judging whether the decrypted data is consistent with the asset transfer request information or not based on the decrypted data and the asset transfer request information so as to verify whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset or not.
Optionally, the business system is further configured to sort, based on the equity transfer instruction, the turnout asset number, the turnin wallet address, the turnout public key, and the initial of the current time; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset created by the business chain to be turned out; the transfer-out wallet address is the wallet address of the user corresponding to the service chain to be transferred out, and the transfer-in wallet address is the wallet address of the user corresponding to the service chain to be transferred in; splicing the sequenced transfer-out asset number, the transfer-in wallet address, the transfer-out public key and the initial of the current time to generate character data; the character data is encrypted based on the rotor private key and an asymmetric encryption algorithm to generate a signature string.
Optionally, the service system is further configured to invoke a public chain to obtain user information; wherein the user information includes a wallet address; invoking a service chain to be transferred out based on the user information so as to create a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain to be transferred out; the asset number and the wallet address are communicated to the common chain such that the common chain stores the wallet address and the asset number.
Through above-mentioned technical scheme, this application has following beneficial effect at least:
the embodiment of the application provides a block chain-based non-homogeneous digital asset data processing method and system, wherein the method comprises the following steps: firstly, initiating an ownership transfer instruction according to a received digital asset transfer request; the rights transfer instruction is an instruction for transferring the non-homogeneous digital asset to be transferred out of the service chain to be transferred into the service chain; then, based on the ownership transfer instruction, calling the service chain to be transferred out to inquire whether a transfer-out person asset number exists in the service chain to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset; then under the condition that the existence of the turnout asset number in the business chain of the to-be-turned-out person is inquired, verifying whether the non-homogeneous digital asset in the business chain of the to-be-turned-out person is a target non-homogeneous digital asset; and finally, under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, the service chain to be transferred in is called to update the asset data in the service chain to be transferred in.
That is, when a non-homogeneous digital asset needs to be transferred across chains, for example, a non-homogeneous digital asset on a service chain to be transferred to the service chain to be transferred, the service system receives a digital asset transfer request, initiates a right transfer instruction according to the request, calls the service chain to be transferred out through the service system based on the instruction, inquires whether a transfer-out person asset number exists in the service chain to be transferred out, and if the transfer-out person asset number is inquired, the transfer-out person really has the non-homogeneous digital asset corresponding to the transfer-out person asset number; then verifying whether the non-homogeneous digital asset in the service chain to be transferred is a target non-homogeneous digital asset, and if the non-homogeneous digital asset in the service chain to be transferred is the target non-homogeneous digital asset, indicating that the non-homogeneous digital asset under the name of the transfer person is the target non-homogeneous digital asset to be transferred; because the number of the turnout asset is a unique label corresponding to the heterogeneous digital asset, the service system calls the service chain to be turned in, and the number of the turnout asset is transferred to the service chain to be turned in, namely, the asset data in the service chain to be turned in is updated, so that the transfer of the heterogeneous digital asset in the service chain to be turned out to the service chain to be turned in is completed.
That is, since a public chain is set, a turnin wallet address can be created through the public chain, and a turnout asset number created by a service chain to be turned out can be stored, the service chain to be turned out confirms the identity of a transferor through an asymmetric signature algorithm by binding a turnout asset public key of an account in the public chain, and the non-homogeneous digital assets among different service chain modules can be subjected to weight confirmation and transfer record in the public chain. Thus, by this method, without destroying the non-homogenous digital asset, the transferor can obtain the transferor asset number of the transferor on the service chain to be transferred to, which means that the rights of the transferor's non-homogenous digital asset are obtained. Therefore, the method can carry out cross-chain transfer on the non-homogeneous digital asset, thereby being more beneficial to the right confirmation of the non-homogeneous digital asset.
Drawings
FIG. 1 is a flow chart of a blockchain-based method of processing non-homogenous digital asset data according to an embodiment of the present application;
fig. 2 is a flowchart of a specific implementation method of step S12 provided in this embodiment;
Fig. 3 is a flowchart of a method for obtaining decrypted data according to the present embodiment;
fig. 4 is a flowchart of a specific implementation method of step S13 provided in this embodiment;
FIG. 5 is a flow chart of a method for creating user information and data assets prior to initiating a ownership transfer instruction provided in the present embodiment;
FIG. 6 is a schematic diagram of a blockchain-based non-homogenous digital asset data processing system provided in an embodiment of the present application.
The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
By utilizing the characteristics of transparent disclosure and non-falsification of the blockchain technology, virtual articles such as music, artistic creation, cards and the like produced by the virtual world are formed into a complete copyright mechanism which is used for forming all certificates of the real world material right.
At present, the conventional blockchain digital asset transfer technology mainly comprises the following steps:
notary mechanism: notary schemes are a mechanism by which Notary persons assist in verifying transactions by looking for a fairly independent third party as an intermediary between the two chains. Notary will be responsible for confirming the status of the asset on both chains and communicating information. For example, when a 100USDT (taida coin) is required to be transferred from ethernet to BSC (coin-safe intelligent chain), the notary will confirm the value of the 100USDT and transfer this information to BSC, confirming receipt of the 100USDT at BSC.
Side chain technology: is realized by a bidirectional anchoring mode, namely, one party takes the action of the other party as the standard. The working principle is as follows: taking a virtual coin as an example, when the virtual coin is to be transferred to the side chain of the virtual coin, locking the corresponding number of virtual coins on the main chain of the virtual coin, and then releasing the side chain tokens with the same value; conversely, when a virtual coin is to be turned back into the backbone, it is desirable to lock the number of side-chain tokens and release the corresponding virtual coin. Therefore, the standard of this bi-directional anchoring is whether one party is locked or not the other party releases the corresponding token.
Hash locking technology: the intelligent contract locks the assets (2) on the A chain of the user, a group of private keys (3) are generated by the intelligent contract through randomly generated numbers and hash functions, the user provides the correct private keys (4) on the B chain within a set time, and the intelligent contract releases the assets with corresponding value on the B chain, so that the chain crossing is completed.
The cross-chain technology mainly solves the problem of coin transfer among different chains, adopts an equivalent replacement mode, destroys the original digital asset on the blockchain A and rebuilds on the blockchain B. This technique is difficult to accommodate in the transition scenario of non-homogeneous digital assets (NFTs). Different attributes and historical data of non-homogenous digital assets can have an impact on asset value, and destruction reconstruction affects the authenticity of the data. With realistic scene mapping, the cross-chain of homogenous tokens is similar to changing dollars to Renminbi, deducting the dollar account amount, and adding Renminbi account, this logic is true. However, the same technology is used to directly dismantle the American house and to renew the American house in China, and the value is different. To sum up, currently non-homogenous digital assets cannot be transferred across chains, thereby affecting the validation of rights of the non-homogenous digital asset.
In order to solve the technical problems, the application provides a method and a system for processing non-homogeneous digital asset data based on a blockchain,
as shown in fig. 1, an embodiment of the present application provides a method for processing non-homogeneous digital asset data based on a blockchain, where the method of the present embodiment may be performed based on an existing computer device running a program, and the computer device may be a mobile phone, a tablet, a desktop computer, etc., and the computer device may include a processor, a storage medium, etc., where the storage medium is used to store a program for performing the method of the present embodiment, and the processor is used to run the program to perform the method of the present embodiment. The method comprises the following steps:
s10: initiating an rights transfer instruction according to the received digital asset transfer request; the ownership transfer instruction is an instruction to transfer a non-homogeneous digital asset to be transferred out of the service chain into the service chain to be transferred in.
In the implementation process, the digital asset transfer request comprises request information, wherein the request information comprises a transfer-out asset number, a transfer-out wallet address, a transfer-in wallet address and the current time; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset to be created by the business chain to be turnout; the address of the business chain to be transferred is the address of the business chain to be transferred corresponding to the user, and the address of the business chain to be transferred is the address of the business chain to be transferred corresponding to the user. The digital asset transfer request refers to a request for transferring a target non-homogeneous digital asset, wherein the digital asset transfer request comprises request information, and the request information comprises a transfer-out asset number, a transfer-out wallet address, a transfer-in wallet address and the current time; the method comprises the steps that a business system calls a business chain to be transferred to create a target non-homogeneous digital asset, and the unique number corresponding to the target non-homogeneous digital asset is stored in the business chain to be transferred after being created and also stored in the business system and a public chain at the same time; the address of the transfer-out wallet and the address of the transfer-in wallet are both addresses created by a service system calling public chain, and the addresses are stored in the public chain, the service system and the service chain to be transferred out after being created; the current time refers to the time when the service system receives the digital asset transfer request, and the digital asset transfer request is distinguished by the current time, so that confusion of the digital asset transfer request can be avoided, and the digital asset transfer request can be unique. The method comprises the steps of transferring a target non-homogeneous digital asset to a service chain to be transferred, wherein the target non-homogeneous digital asset refers to a non-homogeneous digital asset which needs to be subjected to cross-chain transfer, and the cross-chain transfer refers to the transfer of the target non-homogeneous digital asset from one service chain module to another service chain module. The right transfer instruction refers to an instruction to transfer the right of the target heterogeneous digital asset, such as an instruction to transfer the right of the target heterogeneous digital asset to be transferred out of the service chain to be transferred into the service chain. The public chain, the service chain to be transferred out and the server address of the service chain to be transferred in are stored in the service system, and when the service system needs to call the public chain, the service chain to be transferred out and the service chain to be transferred in, the corresponding server addresses are called respectively. In this step, after the business system receives the digital asset transfer request, it initiates the ownership transfer instruction by calling the server address of the public chain.
S11: based on the ownership transfer instruction, calling the service chain to be transferred out to inquire whether a transfer-out person asset number exists in the service chain to be transferred out; the rotor asset number corresponds to a non-homogenized digital asset.
In a specific implementation process, the rights transfer instruction is issued based on a digital asset transfer request, where the digital asset transfer request includes a turnout asset number, so that a service system call service chain to be turned out is used to query whether a turnout asset number corresponding to a target heterogeneous digital asset exists in the service chain to be turned out, that is, whether a turnout asset number in the digital asset transfer request exists. Because the target non-homogeneous digital asset corresponds to only one unique turnout asset number, if the corresponding turnout asset number exists, the fact that the target non-homogeneous digital asset exists in the business chain to be turned out is indicated; if the number of the exporter asset does not exist, the target non-homogeneous digital asset does not exist in the business chain to be exported at all.
S12: and under the condition that the existence of the turnout asset number in the business chain of the to-be-turned-out person is inquired, verifying whether the non-homogeneous digital asset in the business chain of the to-be-turned-out person is a target non-homogeneous digital asset.
In the implementation process, the target non-homogeneous digital asset is the asset which is expected to be transferred from the service chain to be transferred into the service chain, and under the condition that the existence of the number of the turnout asset in the service chain to be turned out is inquired, the fact that the turnout has the non-homogeneous digital asset corresponding to the number of the turnout asset is described, and at the moment, whether the non-homogeneous digital asset in the service chain to be turned out is the target non-homogeneous digital asset needs to be verified, and the verification mode can be verified by using a password, which is described in detail below.
S13: and under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, the service chain to be transferred in is called to update the asset data in the service chain to be transferred in.
In the specific implementation process, under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, namely after the transfer-out person confirms that the target non-homogeneous digital asset is the non-homogeneous digital asset under the name of the target non-homogeneous digital asset, the service chain to be transferred in is called through the public chain, the asset data in the service chain to be transferred in is updated, namely, the transfer-in person public key and the transfer-out person asset number exist in the service chain to be transferred in, and therefore the transfer of the non-homogeneous digital asset in the service chain to be transferred out into the service chain to be transferred in can be completed.
In this embodiment, when a non-homogeneous digital asset needs to be transferred across chains, for example, when a non-homogeneous digital asset on a service chain to be transferred to the service chain to be transferred, the service system receives a digital asset transfer request, initiates a right transfer instruction according to the request, calls the service chain to be transferred through the service system based on the instruction, and queries whether a transfer-out person asset number exists in the service chain to be transferred, if the transfer-out person asset number is queried, it is indicated that the transfer-out person really has the non-homogeneous digital asset corresponding to the transfer-out person asset number; then verifying whether the non-homogeneous digital asset in the service chain to be transferred is a target non-homogeneous digital asset, and if the non-homogeneous digital asset in the service chain to be transferred is the target non-homogeneous digital asset, indicating that the non-homogeneous digital asset under the name of the transfer person is the target non-homogeneous digital asset to be transferred; because the number of the turnout asset is a unique number corresponding to the heterogeneous digital asset, the service system calls the service chain to be turned in, and the number of the turnout asset is transferred to the service chain to be turned in, namely, the asset data in the service chain to be turned in is updated, so that the transfer of the heterogeneous digital asset in the service chain to be turned out to the service chain to be turned in is completed.
That is, since a public chain is set, a turnin wallet address can be created through the public chain, and a turnout asset number created by a service chain to be turned out can be stored, the service chain to be turned out confirms the identity of a transferor through an asymmetric signature algorithm by binding a turnout asset public key of an account in the public chain, and the non-homogeneous digital assets among different service chains can be subjected to weight confirmation and transfer record in the public chain. Thus, by this method, without destroying the non-homogenous digital asset, the transferor can obtain the transferor asset number of the transferor on the service chain to be transferred to, which means that the rights of the transferor's non-homogenous digital asset are obtained. Therefore, the method can carry out cross-chain transfer on the non-homogeneous digital asset, thereby being more beneficial to the right confirmation of the non-homogeneous digital asset.
In some embodiments, as shown in fig. 2, the verifying whether the non-homogeneous digital asset in the service chain to be exported is the target non-homogeneous digital asset if the existence of the exporter asset number in the service chain to be exported is queried, includes:
S121: under the condition that the number of the transfer-out asset exists in the service chain of the to-be-transferred-out asset, decrypting the signature character string by utilizing the public key of the transfer-out asset to obtain decrypted data; wherein the exporter asset public key is a public key of a target non-homogeneous digital asset; the signature string is generated based on asset transfer request information in the digital asset transfer request.
In the specific implementation process, the signature character string is a character string generated when the service system initiates an ownership transfer instruction, and the signature character string is a character string generated by encrypting the number of the transfer asset, the address of the transfer wallet and the current time in the digital asset transfer request based on the private key of the transfer asset, and is equivalent to a set password; the exporter's asset public key is a public key created by the business system invoking public chain, which is stored after creation not only in the public chain but also in the business system and the business chain to be exported. After determining that the service chain to be transferred has the target heterogeneous digital asset, decrypting the signature character string into decrypted data.
S122: and judging whether the decrypted data is consistent with the asset transfer request information or not based on the decrypted data and the asset transfer request information so as to verify whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset or not.
In the implementation process, the asset transfer request information includes relevant information corresponding to the non-homogeneous digital asset that the operator wishes to transfer, and the decryption data includes corresponding information corresponding to the target non-homogeneous digital asset in the service chain to be transferred. If the decrypted data is consistent with the request information, the fact that the corresponding non-homogeneous digital asset exists under the name of the transfer-out person is indicated, and the corresponding password is opened, namely the verification of the transfer-out person is passed; if the decrypted data is inconsistent with the request information, the password corresponding to the non-homogeneous digital asset under the name of the exporter is not opened, and the password is not input error or the corresponding non-homogeneous digital asset under the name of the exporter is possibly not input, and the verification is not passed.
In this embodiment, a service system is used to call a service chain to be rolled out, and inquire whether there is a rolling out asset number in the service chain to be rolled out, if so, it is indicated that the rolling out person actually has a non-homogeneous digital asset corresponding to the rolling out asset number, and then a rolling out person asset public key corresponding to the rolling out person asset number is obtained; and then decrypting the signature character string based on the public key of the asset of the turnout to obtain decrypted data, then judging whether the decrypted data is consistent with the request information, and if so, indicating that the heterogeneous digital asset corresponding to the asset number of the turnout is really the asset of the turnout, namely the heterogeneous digital asset in the service chain to be turned out is the target heterogeneous digital asset.
In some embodiments, as shown in fig. 3, before the step of decrypting the signature string with the public key of the exporter asset to obtain the decrypted data, in the case that the exporter asset number is found to exist in the service chain of the to-be-exported entity, the method further includes:
s20: sorting, based on the equity transfer instruction, the transfer asset number, the transfer wallet address, the transfer public key, and the initial of the current time; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset created by the business chain to be turned out; the transfer-out wallet address is the wallet address of the user corresponding to the service chain to be transferred out, and the transfer-in wallet address is the wallet address of the user corresponding to the service chain to be transferred in.
In the implementation process, the service system generates a signature character string while sending the ownership transfer instruction. The first letter a-z ordering is carried out on the property number of the turnout, the address of the purse of the turnout on the public chain, the public key of the turnout and the current time.
S21: and splicing the sequenced transfer-out asset number, the transfer-in wallet address, the transfer-out public key and the initial of the current time to generate character data.
In the specific implementation process, the sequenced transfer-out asset number, transfer-in wallet address, transfer-out public key and the initial of the current time are spliced, a specific splicing mode can be a character string splicing mode, and character data can be generated after the splicing is finished.
S22: the character data is encrypted based on the rotor private key and an asymmetric encryption algorithm to generate a signature string.
In the specific implementation process, the spliced character string is encrypted by adopting a private key of a roll-out person through an asymmetric encryption algorithm such as SM2, ECC and the like, so that a signature character string can be formed.
In this embodiment, when the service system sends the ownership transfer instruction, a signature string is generated, and the generation manner of the signature string may specifically be: sorting the asset number of the transfer-out person, the wallet address of the transfer-in person, the wallet address of the transfer-out person, the public key of the transfer-out person and the initial letter of the current time, splicing the sorted initial letters to generate character data, encrypting the character data to generate a signature character string, and enabling the generated signature character string to be like a password, wherein asset transfer can be carried out only after the password is successfully verified in the later period, so that the safety of asset transfer is improved.
In some embodiments, as shown in fig. 4, in a case that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, the transferring the service chain to be transferred in to update the asset data in the service chain to be transferred in includes:
s131: and under the condition that the non-homogeneous digital asset in the business chain to be transferred out is verified to be the target non-homogeneous digital asset, storing the corresponding relation between the address of the transfer-in wallet and the asset number of the transfer-out into a public chain.
In the specific implementation process, under the condition that the target non-homogeneous digital asset is confirmed under the name of the transfer-out person, and the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, namely, under the condition that a password is opened, the service system obtains the corresponding relation between the address of the wallet of the transfer-in person and the number of the asset of the transfer-out person, and stores the corresponding relation into the public chain.
S132: and calling the service chain to be transferred based on the corresponding relation between the address of the transfer-in wallet and the asset number of the transfer-out wallet so as to update the asset data in the service chain to be transferred.
In the specific implementation process, after the corresponding relation between the address of the wallet of the transfer-in person and the asset number of the transfer-out person is stored in the public chain, the service chain to be transferred is called through the public chain based on the relation, and the asset data to be transferred in the service chain is updated, namely, the public key of the transfer-in person and the asset number of the transfer-out person exist in the service chain to be transferred, so that the transfer of the non-homogeneous digital asset in the service chain to be transferred into the service chain to be transferred can be completed.
In this embodiment, after determining that the non-homogenized digital asset corresponding to the turnout asset number is actually the asset of the turnout, and passing (password of) verification of the turnout, obtaining a corresponding relationship between the turnout wallet address and the turnout asset number, transferring the turnout asset public key and the turnout asset number to the service chain to be turned into based on the corresponding relationship, that is, updating asset data in the service chain to be turned into, so as to finish transferring the non-homogenized digital asset in the service chain to be turned into the service chain across chains.
In some embodiments, as shown in fig. 5, before the step of initiating the rights transfer instruction according to the received digital asset transfer request, the method further includes:
s30: invoking a public chain to acquire user information; wherein the user information includes a wallet address.
In the specific implementation process, the user information comprises wallet addresses, public keys, private keys and the like, and the method comprises the steps of calling the public chain to enable the public chain to create and store the user information; wherein the user information further comprises a public key; and receiving the public key returned by the public chain and the wallet address. Specifically, a user initiates a request for creating user information to a public chain through a service system, after the public chain receives the request, the user information is created on the public chain, the user information is stored on the public chain, and the public chain returns the user information to the service system, so that the service system receives and stores the user information returned by the public chain.
S31: and calling a service chain to be transferred out based on the user information so as to create a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain to be transferred out.
In the specific implementation process, if the user to which the current asset belongs does not exist, an account is created on a public chain, the public chain returns a wallet address, a public key and a private key corresponding to the account are stored in a business system, if the user information exists, a business chain to be transferred out is called through the business system based on the created user information, a non-homogeneous digital asset (NFT) is generated on the business chain to be transferred out, the non-homogeneous digital asset is stored on the business chain to be transferred out, and an asset number corresponding to the generated non-homogeneous digital asset is returned to the business system. Note that the asset number is a unique number, and the method for generating the unique number can be generated by adopting a universal unique identification code (UUID) mode, so that the number generated at the current time can be kept globally unique, the service chain to be transferred returns the digital asset number to the service system, and the service system stores the server address of the service chain to be transferred to which the digital asset belongs and the digital asset number.
S32: the asset number and the wallet address are communicated to the common chain such that the common chain stores the wallet address and the asset number.
In the implementation process, as can be seen from the above step S30 and step S31, the service system stores the asset number and the wallet address, and at this time, the service system recalls the public chain, and both the wallet address and the data asset number of the user to which the asset belongs are transferred to the public chain, and the user wallet address and the asset number transferred by the service system are stored in the public chain.
In this embodiment, before performing the cross-chain transfer of the heterogeneous digital asset, user information is created on the common chain, the heterogeneous digital asset is created on the service chain to be transferred out, and a unique transfer-out asset number corresponding to the heterogeneous digital asset. Specifically, the public chain is called through the service system, so that the public chain creates and stores user information, and the user information is returned to the service system, so that the service system also stores the user information of the user. Under the condition that user information is created, calling a service chain to be transferred out through a service system, creating a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain to be transferred out, and simultaneously returning the asset number to the service system to enable the service system to store the asset number. At this time, the service system stores the asset number and the wallet address at the same time, and then stores the asset number and the wallet address corresponding to each other in a public chain through the service system, so that the asset number and the wallet address are obtained in advance, and a basic condition can be provided for later asset transfer.
In summary, the present application considers the irreplaceable characteristics of non-homogeneous digital assets, and will store only one unique digital asset on the service chain to be transferred, and complete the transfer of rights through the common chain, thereby ensuring uniqueness, proving the relationship of rights, and completing the transfer. The business side can select a block chain platform according to business conditions, store self-built business data and put the asset codes on a public chain for transaction on the premise of following the rule of generating unique digital asset codes. The public chain can be built by a plurality of business parties, but does not store detailed business data, only stores asset numbers, not only has the effect of public supervision, but also can effectively protect the data privacy of the business parties.
In another embodiment, as shown in FIG. 6, and based on the same inventive concepts as the previous embodiments, embodiments of the present application further provide a second aspect, the present application provides a blockchain-based non-homogeneous digital asset data processing system, the system comprising:
the public chain module is used for storing wallet addresses, asset numbers and corresponding relations between the wallet addresses and the asset numbers in the user information;
the business chain module to be transferred out is used for storing the target non-homogeneous digital asset; wherein the target non-homogenized digital asset corresponds to a turnout asset number;
The business chain module to be transferred is used for storing the transfer-in asset public key and the transfer-out asset number;
the business system module is used for initiating an ownership transfer instruction according to the received digital asset transfer request; based on the ownership transfer instruction, calling the service chain module to be transferred out to inquire whether a transfer-out person asset number exists in the service chain module to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset; verifying whether the non-homogeneous digital asset in the business chain module to be transferred is a target non-homogeneous digital asset under the condition that the transfer-out asset number exists in the business chain module to be transferred; and under the condition that the non-homogeneous digital asset in the service chain module to be transferred is verified to be the target non-homogeneous digital asset, the service chain module to be transferred is called to update the asset data in the service chain module to be transferred.
Optionally, the service system module is further configured to decrypt, when it is queried that the number of the turnout asset exists in the service chain module of the to-be-turnout, the signature string with the public key of the turnout asset, so as to obtain decrypted data; wherein the exporter asset public key is a public key of a target non-homogeneous digital asset; the signature character string is generated based on asset transfer request information in the digital asset transfer request in an encryption mode; and judging whether the decrypted data is consistent with the asset transfer request information or not based on the decrypted data and the asset transfer request information so as to verify whether the non-homogeneous digital asset in the service chain module to be transferred out is a target non-homogeneous digital asset or not.
Optionally, the business system module is further configured to sort, based on the ownership transfer instruction, the turnout asset number, the turnin wallet address, the turnout public key, and the initial of the current time; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset created by the business chain module to be turned out; the transfer-out wallet address is the wallet address of the user corresponding to the service chain module to be transferred out, and the transfer-in wallet address is the wallet address of the user corresponding to the service chain module to be transferred in; splicing the sequenced transfer-out asset number, the transfer-in wallet address, the transfer-out public key and the initial of the current time to generate character data; the character data is encrypted based on the rotor private key and an asymmetric encryption algorithm to generate a signature string.
Optionally, the service system module is further configured to invoke a common link module to obtain user information; wherein the user information includes a wallet address; invoking a service chain module to be transferred out based on the user information so as to create a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain module to be transferred out; and transmitting the asset number and the wallet address to the public chain module so that the public chain module stores the wallet address and the asset number.
In summary, the system has three core objects, namely a public chain module, a service chain module and a service system module, wherein the public chain module is only one, the service chain module can be a plurality of (for example, the system has two service chain modules, namely, a service chain to be turned out and a service chain to be turned in, the service chain to be turned out corresponds to a turnout, the service chain to be turned in corresponds to a turnin), and the service system module can be a plurality of users of the chain. The core processes mainly comprise two processes, namely creating digital assets and transferring digital assets, and solving the authentication problem between two chains (a service chain to be transferred out and a service chain to be transferred in), wherein the specific implementation method is mainly realized through intelligent contracts on a service system module and a blockchain. The service system module is responsible for calling the public chain module and the service chain module to complete asset generation and transfer, coordinating the public chain module and the service chain module to complete asset transfer, and the service chain server address and port and the public chain server address and port all need to be stored in the service system in advance. The public chain module is mainly responsible for generating user information, storing the current asset attribution and verifying the current asset attribution; in addition, the public chain module also creates user information, generates a private key, a corresponding public key and a wallet address for the user, wherein the private key, the corresponding public key and the wallet address are in one-to-one correspondence, and currently, existing generation algorithms such as Secp256k1ECDSA exist; the common chain module is also used for storing the attribution right, namely, the wallet address and the digital asset number are stored in a blockchain. The service chain module is mainly used for creating digital assets, namely is responsible for generating non-homogeneous digital assets and finishing storing the current attribution user to the public key; and means for updating the current public key of the digital asset and storing the new relationship when the non-homogenous digital asset ownership is transferred.
In a word, the system establishes account relation through the public chain module, constructs heterogeneous digital assets (NFT) through the business chain module to be transferred out, and the heterogeneous digital assets (NFT) among different business chain modules can perform right confirmation and transfer record in the accounts of the public chain.
It should be noted that, each module in the blockchain-based non-homogeneous digital asset data processing system in this embodiment corresponds to each step in the blockchain-based non-homogeneous digital asset data processing method in the foregoing embodiment one by one, so the specific implementation manner and the achieved technical effect of this embodiment may refer to the implementation manner of the blockchain-based non-homogeneous digital asset data processing method described in the foregoing embodiment, and will not be described herein again.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (10)

1. A blockchain-based method of processing non-homogeneous digital asset data, the method comprising:
initiating an rights transfer instruction according to the received digital asset transfer request; the rights transfer instruction is an instruction for transferring the non-homogeneous digital asset to be transferred out of the service chain to be transferred into the service chain;
based on the ownership transfer instruction, calling the service chain to be transferred out to inquire whether a transfer-out person asset number exists in the service chain to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset;
verifying whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset under the condition that the transfer-out asset number exists in the service chain to be transferred out;
and under the condition that the non-homogeneous digital asset in the service chain to be transferred out is verified to be the target non-homogeneous digital asset, the service chain to be transferred in is called to update the asset data in the service chain to be transferred in.
2. The blockchain-based non-homogeneous digital asset data processing method of claim 1, wherein the verifying whether the non-homogeneous digital asset in the to-be-rolled-out service chain is a target non-homogeneous digital asset if the roll-out asset number is found to be present in the to-be-rolled-out service chain comprises:
Under the condition that the number of the transfer-out asset exists in the service chain of the to-be-transferred-out asset, decrypting the signature character string by utilizing the public key of the transfer-out asset to obtain decrypted data; wherein the exporter asset public key is a public key of a target non-homogeneous digital asset; the signature character string is generated based on asset transfer request information in the digital asset transfer request in an encryption mode;
and judging whether the decrypted data is consistent with the asset transfer request information or not based on the decrypted data and the asset transfer request information so as to verify whether the non-homogeneous digital asset in the service chain to be transferred out is a target non-homogeneous digital asset or not.
3. The blockchain-based heterogeneous digital asset data processing method of claim 2, wherein, in the event that the existence of the turnout asset number in the to-be-turnout service chain is queried, decrypting a signature string with a turnout asset public key to obtain decrypted data, further comprising:
sorting, based on the equity transfer instruction, the transfer asset number, the transfer wallet address, the transfer public key, and the initial of the current time; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset created by the business chain to be turned out; the transfer-out wallet address is the wallet address of the user corresponding to the service chain to be transferred out, and the transfer-in wallet address is the wallet address of the user corresponding to the service chain to be transferred in;
Splicing the sequenced transfer-out asset number, the transfer-in wallet address, the transfer-out public key and the initial of the current time to generate character data;
the character data is encrypted based on the rotor private key and an asymmetric encryption algorithm to generate a signature string.
4. The blockchain-based non-homogeneous digital asset data processing method of claim 1, wherein the invoking the to-be-transferred-in service chain to update the asset data in the to-be-transferred-in service chain if the non-homogeneous digital asset in the to-be-transferred-out service chain is verified to be the target non-homogeneous digital asset comprises:
under the condition that the non-homogeneous digital asset in the business chain to be transferred out is verified to be the target non-homogeneous digital asset, storing the corresponding relation between the address of the transfer-in wallet and the asset number of the transfer-out into a public chain;
and calling the service chain to be transferred based on the corresponding relation between the address of the transfer-in wallet and the asset number of the transfer-out wallet so as to update the asset data in the service chain to be transferred.
5. The blockchain-based non-homogeneous digital asset data processing method of claim 1, further comprising, prior to the step of initiating the rights transfer instruction in accordance with the received digital asset transfer request:
Invoking a public chain to acquire user information; wherein the user information includes a wallet address;
invoking a service chain to be transferred out based on the user information so as to create a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain to be transferred out;
the asset number and the wallet address are communicated to the common chain such that the common chain stores the wallet address and the asset number.
6. The blockchain-based non-homogeneous digital asset data processing method of claim 5, wherein the invoking the common chain to obtain user information comprises:
invoking a public chain to cause the public chain to create user information; wherein the user information further comprises a public key;
and receiving the public key returned by the public chain and the wallet address.
7. A blockchain-based non-homogeneous digital asset data processing system, the system comprising:
the public chain module is used for storing wallet addresses, asset numbers and corresponding relations between the wallet addresses and the asset numbers in the user information;
The business chain module to be transferred out is used for storing the target non-homogeneous digital asset; wherein the target non-homogenized digital asset corresponds to a turnout asset number;
the business chain module to be transferred is used for storing the transfer-in asset public key and the transfer-out asset number;
the business system module is used for initiating an ownership transfer instruction according to the received digital asset transfer request; based on the ownership transfer instruction, calling the service chain module to be transferred out to inquire whether a transfer-out person asset number exists in the service chain module to be transferred out; the turnout asset number corresponds to a non-homogenized digital asset; verifying whether the non-homogeneous digital asset in the business chain module to be transferred is a target non-homogeneous digital asset under the condition that the transfer-out asset number exists in the business chain module to be transferred; and under the condition that the non-homogeneous digital asset in the service chain module to be transferred is verified to be the target non-homogeneous digital asset, the service chain module to be transferred is called to update the asset data in the service chain module to be transferred.
8. The blockchain-based heterogeneous digital asset data processing system of claim 7, wherein the business system module is further configured to decrypt a signature string with a exporter asset public key to obtain decrypted data if the exporter asset number is queried for the presence in the to-be-exported business chain module; wherein the exporter asset public key is a public key of a target non-homogeneous digital asset; the signature character string is generated based on asset transfer request information in the digital asset transfer request in an encryption mode; and judging whether the decrypted data is consistent with the asset transfer request information or not based on the decrypted data and the asset transfer request information so as to verify whether the non-homogeneous digital asset in the service chain module to be transferred out is a target non-homogeneous digital asset or not.
9. The blockchain-based heterogeneous digital asset data processing system of claim 7, wherein the business system module is further to sort the transferor asset number, the transferor wallet address, the transferor public key, and the initials of the current time based on the equity transfer instructions; the number of the turnout asset is the number corresponding to the target non-homogeneous digital asset created by the business chain module to be turned out; the transfer-out wallet address is the wallet address of the user corresponding to the service chain module to be transferred out, and the transfer-in wallet address is the wallet address of the user corresponding to the service chain module to be transferred in; splicing the sequenced transfer-out asset number, the transfer-in wallet address, the transfer-out public key and the initial of the current time to generate character data; the character data is encrypted based on the rotor private key and an asymmetric encryption algorithm to generate a signature string.
10. The blockchain-based non-homogeneous digital asset data processing system of claim 7, wherein the business system module is further configured to invoke a common chain module to obtain user information; wherein the user information includes a wallet address; invoking a service chain module to be transferred out based on the user information so as to create a non-homogeneous digital asset corresponding to a wallet address and an asset number corresponding to the non-homogeneous digital asset in the service chain module to be transferred out; and transmitting the asset number and the wallet address to the public chain module so that the public chain module stores the wallet address and the asset number.
CN202211636650.6A 2022-12-15 2022-12-15 Block chain-based non-homogeneous digital asset data processing method and system Pending CN116342265A (en)

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