CN109669955B - Digital asset query system and method based on block chain - Google Patents
Digital asset query system and method based on block chain Download PDFInfo
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Abstract
The invention discloses a digital asset query system and method based on a block chain, and relates to the technical field of digital assets. One embodiment of the system comprises: the asset application terminal system generates asset query request information on a first chain based on query requirements selected and/or input by a user and an asset ledger address corresponding to the user, and then sends the asset query request information on the first chain to the asset ledger system; the asset account book system inquires the on-chain asset information corresponding to the asset account book address according to the asset account book address of the first on-chain asset inquiry request information, and then feeds the on-chain asset information back to the asset application terminal system; and the asset application terminal system displays the asset information on the chain to the user. The method and the system can query the digital assets according to the query requirements of the user and display the corresponding query results.
Description
Technical Field
The invention relates to the technical field of digital assets, in particular to a digital asset query system and a digital asset query method based on a block chain.
Background
At present, the blockchain technology is rapidly developed, and the blockchain is used as a decentralized novel distributed computing paradigm and provides technical support for the operation of various digital assets on a distributed network. The digital assets run on a distributed network of a block chain, the global multi-node consensus accounting is carried out in a mode of sharing an account book without depending on accounting of a specific third party or a central party, and a safety system of technical guarantee is realized through an encryption algorithm.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
the existing block chain runs on digital assets on the chain, and digital asset query cannot be correspondingly carried out according to various query requirements.
Disclosure of Invention
In view of this, embodiments of the present invention provide a block chain-based digital asset query system and method, which generate on-chain asset query request information based on a query requirement set by a user and an asset ledger address corresponding to the user, and then obtain on-chain asset information corresponding to the asset ledger address of the on-chain asset query request information from the asset ledger system, thereby implementing a digital asset query for the query requirement.
To achieve the above object, according to an aspect of an embodiment of the present invention, there is provided a block chain-based digital asset query system.
The digital asset query system based on the block chain comprises the following components: an asset application terminal system and an asset ledger system; the asset application terminal system is used for generating asset query request information on a first chain based on query requirements selected and/or input by a user and an asset ledger address corresponding to the user, and then sending the asset query request information on the first chain to the asset ledger system; the asset account book system is used for inquiring the on-chain asset information corresponding to the asset account book address according to the asset account book address of the first on-chain asset inquiry request information, and then feeding the on-chain asset information back to the asset application terminal system; and the asset application terminal system is also used for displaying the asset information on the chain to the user.
Optionally, the query requirement comprises: the method comprises the following steps of query conditions and query results, wherein the query conditions are any one or more of the following items: asset serial number, asset category and asset state, wherein the query result is any one or more of the following items: the asset quantity, the asset details, the initial block information, the terminal block information and the asset transaction history.
Optionally, the asset ledger system is further configured to: if the query requirement of the asset query request information on the first chain comprises the initial block information, querying the initial block information corresponding to the managed asset type of the asset information on the chain according to the asset book address of the asset query request information on the first chain, and then feeding back the initial block information to the asset application terminal system; the asset application terminal system is further configured to: and displaying initial block information corresponding to the managed asset category of the asset information on the chain to the user.
Optionally, the asset application terminal system is further configured to: if the query requirement comprises managed asset storage information corresponding to the initial block, generating second-chain asset query request information based on managed asset registration index identification corresponding to the initial block information selected by the user, and then sending the second-chain asset query request information to a storage service system; and the storage service system is used for inquiring managed asset storage information corresponding to the managed asset registration index identification according to the managed asset registration index identification of the asset inquiry request information on the second chain, and then feeding the managed asset storage information back to the asset application terminal system.
Optionally, the asset application terminal system is further configured to: and if the inquiry requirement comprises the down-link asset registration information, accessing an asset right registration system to acquire the down-link asset registration information held by the asset hosting party corresponding to the hosted asset storage information from the asset right registration system.
According to another aspect of the embodiments of the present invention, there is provided a block chain-based digital asset query method.
The digital asset query method based on the block chain comprises the following steps: the asset application terminal system generates asset query request information on a first chain based on query requirements selected and/or input by a user and an asset ledger address corresponding to the user, and then sends the asset query request information on the first chain to the asset ledger system; the asset account book system inquires the on-chain asset information corresponding to the asset account book address according to the asset account book address of the first on-chain asset inquiry request information, and then feeds the on-chain asset information back to the asset application terminal system; and the asset application terminal system displays the asset information on the chain to the user.
Optionally, the query requirement comprises: the query conditions and the query results are any one or more of the following items: asset serial number, asset category and asset state, wherein the query result is any one or more of the following items: the asset quantity, the asset details, the initial block information, the terminal block information and the asset transaction history.
Optionally, the method further comprises: if the query requirement of the asset query request information on the first chain comprises the initial block information, the asset account book system queries the initial block information corresponding to the managed asset type of the asset information on the chain according to the asset account book address of the asset query request information on the first chain, and then feeds the initial block information back to the asset application terminal system; and the asset application terminal system displays initial block information corresponding to the managed asset type of the asset information on the chain to the user.
Optionally, the method further comprises: if the query requirement comprises managed asset storage information corresponding to the initial block, the asset application terminal system generates second-chain asset query request information based on the managed asset registration index identifier corresponding to the initial block information selected by the user, and then sends the second-chain asset query request information to a storage service system; and the storage service system inquires managed asset storage information corresponding to the managed asset registration index identification according to the managed asset registration index identification of the asset inquiry request information on the second chain, and then feeds the managed asset storage information back to the asset application terminal system.
Optionally, the method further comprises: and if the inquiry requirement comprises the down-link asset registration information, the asset application terminal system accesses an asset right registration system to acquire the down-link asset registration information held by the asset hosting party corresponding to the hosted asset storage information from the asset right registration system.
One embodiment of the above invention has the following advantages or benefits: the method comprises the steps of generating on-chain asset query request information based on a query requirement set by a user and an asset ledger address corresponding to the user, then obtaining on-chain asset information corresponding to the asset ledger address of the on-chain asset query request information from an asset ledger system, and correspondingly querying digital assets according to different query requirements.
Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.
Drawings
The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:
FIG. 1 is a schematic diagram of the major subsystems of a blockchain-based digital asset query system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a main flow of a digital asset query process performed by a blockchain-based digital asset query system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a main flow of a digital asset query system based on a blockchain according to a second embodiment of the present invention;
fig. 4 is a schematic main flow chart of a block chain-based digital asset query method in the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
When a user queries digital assets, the user may only need to query the asset number of a certain type of digital assets on a block chain, or need to further query initial block information of the type of digital assets, or need to query managed asset storage information in a storage service system according to managed asset registration index identification of the initial block information, or even need to query corresponding latest under-chain asset registration information from an asset right registration system based on the managed asset storage information. In the embodiment, a digital asset query interface is provided for a user through an asset application terminal system, so that the user sets a query requirement on the digital asset query interface, and the system further acquires corresponding digital asset information according to the query requirement of the user. In addition, the embodiment can be used for digital assets inquiry before uplink, inquiry after uplink is finished, inquiry before downlink, inquiry after downlink, inquiry before transaction, inquiry after transaction and the like.
Fig. 1 is a schematic diagram of main subsystems of a digital asset query system based on a blockchain according to an embodiment of the present invention. As shown in fig. 1, a block chain-based digital asset query system 100 according to a first embodiment of the present invention mainly includes:
the asset application terminal system 101 is configured to generate asset query request information on a first chain based on a query requirement selected and/or input by a user and an asset ledger address corresponding to the user, and then send the asset query request information on the first chain to the asset ledger system. The asset application terminal system presents an on-chain asset query function interface to a user on a terminal device, the on-chain asset query function interface for the user to input and/or select query requirements. The asset hosting system stores real-name account book records corresponding to users, and the real-name account book records comprise: an identity certificate associated with the identity information of the user and an asset ledger address associated with the identity information of the user. The asset application terminal system acquires the real-name account book record of the user from the asset hosting system in advance, and then the asset account book address corresponding to the user can be obtained. After the user inputs and/or selects the query requirement, the asset application terminal system can generate asset query request information on the first chain based on the query requirement and the asset ledger address corresponding to the user. The generated asset query request information on the first chain comprises: an asset ledger address in the real-name ledger record and the query requirement.
And the asset account book system 102 is configured to query, according to the asset account book address of the first on-chain asset query request information, on-chain asset information corresponding to the asset account book address, and then feed back the on-chain asset information to the asset application terminal system. The asset ledger system stores on-chain asset information and initial block information corresponding to a hosted asset class of the on-chain asset information. Wherein the on-chain asset information comprises: the asset account book address, managed asset type and asset quantity, wherein the initial block information comprises: an initial block number and a managed asset issuance request with an asset hosting system signature, etc. The asset application terminal system accesses the asset ledger system and acquires corresponding information from the asset ledger system according to the query requirement; and the asset account book system feeds back the query result to the asset application terminal system.
The asset application terminal system 101 is further configured to display the received on-chain asset information to the user. And after receiving the query result, the asset application terminal system displays the query result to the user through the terminal equipment according to the query requirement, so that the user can conveniently check the query result.
Fig. 2 is a schematic main flow chart of a digital asset query system based on a blockchain according to an embodiment of the present invention. As shown in fig. 2, a main process of a block chain-based digital asset query system according to a first embodiment of the present invention for performing digital asset query includes the following steps:
step S201: and the user accesses the asset application terminal system installed on the terminal equipment, submits the identification information according to a preset login identification mode and logs in the asset application terminal system. The asset application terminal system is system software which is installed on the terminal equipment and corresponds to the asset ledger system; a user may download and install asset application end system software from an asset hosting system by accessing the asset hosting system. The terminal device may be various electronic devices having a display screen and supporting web browsing, such as a mobile phone, a tablet computer, a desktop computer, and the like. The login identification mode may be a user name and password identification mode, a fingerprint identification mode, a face identification mode, and the like, and the corresponding identification information may be: a user name and a password, or an identification code in a preset format corresponding to the user name. The identification code in the preset format may be a password in the form of characters, or may be a biometric identification code, such as a fingerprint, facial information, iris information, etc. of the user.
Step S202: and after the asset application terminal system determines that the user is a real-name user associated with the asset account book address, acquiring a real-name account book record corresponding to the user from the asset hosting system. The asset hosting system stores real-name account book records corresponding to the users. The asset hosting system may be a system that hosts registration management of a user to under-link real-name registered assets by designated asset hosting parties and registration management of a process of publishing digital assets on a blockchain by hosted assets, which may be accessed by the user via the Web or otherwise, the process of publishing digital assets including an off-link asset uplink process and an on-link asset downlink process. The method comprises the following steps that firstly, a user is managed by an asset management part, and then the asset management system issues digital assets on a chain to an asset account book system based on a block chain; and (4) performing the on-chain asset downgoing, namely, invalidating the digital assets of the user on the blockchain, and returning and transferring the under-chain managed assets corresponding to the digital assets to the user. The real-name account book record comprises: an identity certificate associated with identity information of a user and an asset ledger address associated with identity information of a user, the identity certificate comprising: the identity of the user and the user public key. The identity certificate may be a CA (certificate Authority) certificate provided for information non-repudiation.
The user public key and the user private key are generated by the asset application terminal system locally by adopting an asymmetric encryption algorithm. The user private key can be used for signing data information such as user identity information, user bank card information, user biological identification code information or user identity certificate and the like, and can also be used for signing digital asset information in subsequent asset transaction or financing process so as to confirm ownership of transaction; the user public key can be used for correspondingly verifying the data information signed by the user private key.
Step S203: and the asset application terminal system displays the on-chain asset query function interface to a user on the terminal equipment. The on-chain asset query function interface is used for user input and/or selection of query requirements.
Step S204: a user enters and/or selects a query requirement in an on-chain asset query function interface to generate first on-chain asset query request information. The first-chain asset query request information refers to a request that a user can initiate digital asset query for digital assets which are linked by the user. In an optional embodiment, the asset query request information on the first chain includes: an asset ledger address in the real-name ledger record and the query requirement. The query requirement refers to some limiting factors which can be used by a user for performing on-chain asset query. In an alternative embodiment, the query requirement includes: the query condition and the query result can be any one or more of the following items: asset number, asset class, asset status, etc. Wherein the asset status comprises: active state, frozen state, disabled state, etc.
In the embodiment of the invention, the digital assets are classified in advance, and each type of digital assets corresponds to a unique asset type. The digital assets comprise divisible digital assets and indivisible digital assets, wherein the divisible digital assets refer to managed assets contained in the initial block and can be divided under a chain, such as stocks, gold and the like; the indivisible digital assets refer to managed assets contained in the initial block which cannot be divided under the chain, such as houses, cultural relics, copyright, golden amalgamation and the like. When two assets belong to the same type of divisible digital assets, operation can be carried out between the two assets. Even if two inseparable digital assets belong to the same category, no operation can be performed between the two assets, for example, although both the digital asset property a and the digital asset property B belong to the property category, no operation can be performed between the two assets. The asset class is used to determine whether the assets belong to divisible digital assets or indivisible digital assets, so that the link-down clearing is facilitated.
The query result may be any one or more of the following: the method comprises the steps of acquiring the corresponding managed assets, wherein the managed assets comprise the number of the assets, the details of the assets, initial block information, terminal block information, asset transaction history records, managed asset storage information corresponding to the initial blocks, managed asset storage information corresponding to the terminal blocks and the like. The initial block information includes: initial block number, asset serial number, managed asset registration index information, managed asset description information, rights holder address, number of asset issuing units, number of valid asset units. The termination block information includes: a list of terminated initial block records corresponding to the terminating block, a terminating block number, and updated hosted asset registration index information with storage service system signature. The managed asset retention information may be considered comprehensive managed asset information stored in the storage service system, relating to the return of the down-link asset to the up-link asset hosting or down-link asset hosting, and confirming that the asset hosting party is the authorized person of the managed asset, and in an alternative embodiment, the managed asset retention information includes: the certificate information of the paper document electronized or purely electronized (such as an electronic signature archive or a result queried through an asset right registration system) can be obtained.
Assuming that the query requirement in this embodiment includes the initial block information, the asset application terminal system needs to acquire the on-chain asset information corresponding to the asset ledger address of the first on-chain asset query request information and the initial block information corresponding to the managed asset class of the on-chain asset information from the asset ledger system, specifically see step S205. Assuming that the query requirement in this embodiment only includes the asset number, the asset application terminal system only needs to acquire the on-chain asset information corresponding to the asset ledger address of the first on-chain asset query request information from the asset ledger system.
Step S205: the asset application terminal system accesses the asset ledger system to obtain asset transaction information from the asset ledger system corresponding to the asset ledger address of the asset query request information on the first link. The asset account book system is based on a block chain technology, and can be used for verifying, inquiring, recording and the like by the chain common identification nodes on the asset account book system. Wherein the asset transaction information comprises: the asset information on the chain and the initial block information corresponding to the managed asset class number of the asset information on the chain, etc. The on-chain asset information includes: asset ledger address, hosted asset class, number of assets, asset record index, and associated asset information, among others. The initial block information includes: an initial block number and a hosting asset issuance request with an asset hosting system signature, etc.; the hosted asset issuance request includes: the managed asset registration index information with the storage service system signature, the managed asset issuing information and the like; the hosted asset registration index information includes: the trusteeship asset registration index identification, the tamper-proof information of the trusteeship asset storage information and the like; the managed asset issuance information includes: managed asset class, managed asset description information, authority address, number of asset issuing units, etc. The tamper-resistant information is: and the hosting asset stores the digital fingerprint information of the information, or utilizes the asset hosting system and the storage service system to sign the digital fingerprint information. The digital fingerprint information is information obtained by performing an operation on the managed asset storage information by using a certain algorithm, for example, a hash value obtained by performing a hash operation on the managed asset storage information. It should be noted that the digital fingerprint information may also be information obtained by calculating the managed asset storage information by using other algorithms, as long as the calculated information uniquely corresponds to one managed asset storage information. The asset application terminal system accesses the asset ledger system and inquires all asset transaction information corresponding to the asset ledger address; and the asset account book system feeds back the query result to the asset application terminal system.
Step S206: and the asset application terminal system displays the inquired asset transaction information to the user through the terminal equipment.
Example two: the user may also need to obtain hosted asset retention information in addition to asset transaction information from the asset ledger system through the asset application terminal system. The managed asset saving information is saved in the storage service system, the digital asset query system according to the embodiment of the present invention further includes the storage service system, and the query requirement set by the user in step S304 includes the managed asset saving information corresponding to the initial block. The storage service system in the embodiment needs to be secure and trusted, and may be a cloud storage service system, one device with a storage function, or a system formed by connecting a plurality of devices with a storage function through a network. The concrete implementation is as follows:
fig. 3 is a schematic main flow chart of a digital asset query system based on a blockchain according to a second embodiment of the present invention. As shown in fig. 3, the main process of the digital asset query system based on the block chain according to the second embodiment of the present invention for performing digital asset query includes the following steps:
step S301: and the user accesses the asset application terminal system installed on the terminal equipment, submits the identification information according to a preset login identification mode and logs in the asset application terminal system. This step is the same as step S201.
Step S302: and after the asset application terminal system determines that the user is a real-name user associated with the asset account book address, acquiring a real-name account book record corresponding to the user from the asset hosting system. This step is the same as step S202.
Step S303: and the asset application terminal system displays the on-chain asset query function interface to a user on the terminal equipment. This step is the same as step S203.
Step S304: a user enters and/or selects a query requirement in an on-chain asset query function interface to generate first on-chain asset query request information. The query requirement here includes managed asset saving information corresponding to the initial block, and the specific implementation is the same as that in step S204.
Step S305: the asset application terminal system accesses the asset ledger system to obtain asset transaction information from the asset ledger system corresponding to the asset ledger address of the asset query request information on the first link. This step is the same as step S205.
Step S306: and the asset application terminal system displays the inquired asset transaction information to the user through the terminal equipment. This step is the same as step S206.
Step S307: and the user selects a managed asset registration index identifier corresponding to the initial block information in the on-chain asset query function interface according to the initial block information of the asset transaction information so as to generate second on-chain asset query request information. Because the user needs to inquire the managed asset storage information, the managed asset registration index identifier corresponding to the type of asset in the chain asset query function interface is selected according to the initial block information corresponding to the managed asset type of the asset information in the asset transaction information, and the managed asset registration index identifier is sent to the storage service system through the second chain asset query request information.
Step S308: the asset application terminal system accesses the storage service system to obtain hosted asset preservation information corresponding to the hosted asset registration index identification of the asset query request information on the second chain from the storage service system. Wherein the hosted asset retention information includes: the system comprises asset hosting upper chain request information with double signatures of the asset application terminal system and the asset hosting system, and asset right hosting transfer information with three-party signatures of the asset application terminal system, the asset hosting system and the asset hosting party. The asset application terminal system accesses the storage service system and inquires hosted asset storage information corresponding to a hosted asset registration index identifier in hosted asset registration index information in a hosted asset issuing request of initial block information of asset transaction information; and the storage service system feeds back the query result to the asset application terminal system. The asset hosting party can be a qualified organization with a certain public trust strength, such as a commercial bank and a business system thereof; the asset hosting party can be an entity for receiving hosted assets and can adopt legal relationships such as funds and the like; in some practical cases, the entity may process the information manually.
The asset hosting uplink request information comprises: and the system comprises the down-chain asset hosting transfer request information, the hosted asset issuing information, the asset hosting party information and the like with the double signatures of the asset application terminal system and the asset hosting system. The managed asset issuance information is issuance information when an asset under the chain is managed to the chain, and the asset hosting party information is information of an asset hosting party responsible for hosting the asset under the chain that is issued to the chain. In an alternative embodiment, the information of the request for transfer of the asset hosting under link includes: and the under-chain asset hosting transfer request instruction with the asset application terminal system signature and the real-name ledger record. The under-chain asset hosting transfer request instruction comprises: the method comprises the following steps of (1) under-chain asset registration information and the amount or quantity of the managed transfer asset, wherein the under-chain asset registration information refers to under-chain asset information registered in an asset right registration system by a user, such as which types of assets the user owns, the amount or quantity of each type of assets, relevant state information of the assets (such as whether the assets are pledged or not, whether flaws exist or not) and the like; the amount or quantity of the escrowed transfer asset refers to the amount or quantity of the asset under the chain that the user requests to escrow transfer. In an alternative embodiment, the under-chain asset registration information includes: an access address of an asset right registration system, asset identification information including: the identity of the user, an asset identification or number, an asset amount or quantity, etc.
The asset rights escrow transfer information includes: asset right transfer voucher information, voucher information for assets held by asset escrow, updated asset registration information and other asset description and registration information.
Step S309: and the asset application terminal system verifies the signature in the managed asset storage information, and displays the on-chain asset information, the initial block information and the managed asset storage information corresponding to the asset type to the user through the terminal equipment after the verification is passed. And verifying the signature for confirming that the storage information of the managed asset is real and effective. And the asset application terminal system displays the on-chain asset information, the initial block information and the managed asset storage information corresponding to each asset type to a user.
In another preferred embodiment, the user may need to obtain the offline asset registration information corresponding to the hosted asset holding information through the asset application terminal system in addition to the asset transaction information and the hosted asset holding information from the asset ledger system. The information of the down-link asset registration is stored in the asset right registration system, and the digital asset query system according to the embodiment of the present invention further includes the asset right registration system, and the query requirement set by the user in step S304 includes the information of the down-link asset registration. See step S310 for a specific implementation.
Step S310: the asset application terminal system accesses the asset rights registration system to obtain, from the asset rights registration system, the downlinked asset registration information held by the asset hosting party corresponding to the hosted asset holding information. The asset rights registration system is a traditional, down-link asset rights registration system that provides an API interface for asset rights verification queries. The under-chain asset registration information includes: asset identification or number, asset amount or quantity, etc. A user accesses the asset right registration system through the asset application terminal system and inquires the down-link asset registration information corresponding to the managed asset storage information of the user; and the asset right registration system feeds back the query result to the asset application terminal system. This step is used to query the asset hosting party for the downlinked asset registration information from the downlinked asset rights registration system to ensure that the queried downlinked asset registration information is consistent with the corresponding content in the hosted asset holding information for that user.
Fig. 4 is a schematic diagram of the main flow of the digital asset query method based on the blockchain in the embodiment of the invention. As shown in fig. 4, the digital asset query method based on block chains in the embodiment of the present invention mainly includes the following steps:
step S401: the asset application terminal system generates asset query request information on a first chain based on query requirements selected and/or input by a user and an asset ledger address corresponding to the user, and then sends the asset query request information on the first chain to the asset ledger system. The asset application terminal system presents an on-chain asset query function interface to a user on a terminal device, the on-chain asset query function interface for the user to input and/or select query requirements. The asset hosting system stores a real-name ledger record corresponding to a user, wherein the real-name ledger record comprises: an identity certificate associated with the identity information of the user and an asset ledger address associated with the identity information of the user. The asset application terminal system acquires the real-name account book record of the user from the asset hosting system in advance, and then the asset account book address corresponding to the user can be obtained. After the user inputs and/or selects the query requirement, the asset application terminal system can generate asset query request information on the first chain based on the query requirement and the asset ledger address corresponding to the user. The generated asset query request information on the first chain comprises: an asset ledger address in the real-name ledger record and the query requirement.
Step S402: and the asset account book system inquires the on-chain asset information corresponding to the asset account book address according to the asset account book address of the first on-chain asset inquiry request information, and then feeds the on-chain asset information back to the asset application terminal system. The asset ledger system stores on-chain asset information and initial block information corresponding to a hosted asset class of the on-chain asset information. Wherein the on-chain asset information comprises: the asset account book address, managed asset type and asset quantity, wherein the initial block information comprises: an initial block number and a managed asset issuance request with an asset hosting system signature, etc. The asset application terminal system accesses the asset account book system and acquires corresponding information from the asset account book system according to the query requirement; and the asset account book system feeds back the query result to the asset application terminal system.
Step S403: and the asset application terminal system displays the asset information on the chain to the user. And after receiving the query result, the asset application terminal system displays the query result to the user through the terminal equipment according to the query requirement, so that the user can conveniently check the query result.
According to the technical scheme of the embodiment of the invention, on-chain asset query request information is generated based on the query requirement set by the user and the asset ledger address corresponding to the user, then on-chain asset information corresponding to the asset ledger address of the on-chain asset query request information is obtained from the asset ledger system, and digital asset query can be correspondingly carried out according to different query requirements.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A blockchain-based digital asset query system, comprising: the system comprises an asset application terminal system, an asset account book system and a storage service system; wherein,
the asset application terminal system is used for generating asset query request information on a first chain based on query requirements selected and/or input by a user and an asset ledger address corresponding to the user, and then sending the asset query request information on the first chain to the asset ledger system;
the asset account book system is used for inquiring the asset information on the chain corresponding to the asset account book address according to the asset account book address of the asset inquiry request information on the first chain, and then feeding back the asset information on the chain to the asset application terminal system;
the asset application terminal system is also used for displaying the asset information on the chain to the user;
the asset application terminal system is further configured to: if the query requirement comprises managed asset storage information corresponding to the initial block, generating second-chain asset query request information based on managed asset registration index identification corresponding to the initial block information selected by the user, and then sending the second-chain asset query request information to the storage service system;
and the storage service system is used for inquiring managed asset storage information corresponding to the managed asset registration index identification according to the managed asset registration index identification of the asset inquiry request information on the second chain, and then feeding the managed asset storage information back to the asset application terminal system.
2. The system of claim 1, wherein the query requirement comprises: the method comprises the following steps of query conditions and query results, wherein the query conditions are any one or more of the following items: asset serial number, asset category and asset state, wherein the query result is any one or more of the following items: the number of assets, the details of the assets, the information of the initial block, the information of the terminal block and the transaction history of the assets.
3. The system of claim 2, wherein the asset ledger system is further configured to:
if the query requirement of the asset query request information on the first chain comprises the initial block information, querying the initial block information corresponding to the managed asset type of the asset information on the chain according to the asset book address of the asset query request information on the first chain, and then feeding back the initial block information to the asset application terminal system;
the asset application terminal system is further configured to:
and displaying initial block information corresponding to the managed asset category of the asset information on the chain to the user.
4. The system of claim 1, wherein the asset application terminal system is further configured to:
and if the inquiry requirement comprises the down-link asset registration information, accessing an asset right registration system to acquire the down-link asset registration information held by the asset hosting party corresponding to the hosted asset storage information from the asset right registration system.
5. A block chain-based digital asset query method is characterized by comprising the following steps:
the asset application terminal system generates asset query request information on a first chain based on query requirements selected and/or input by a user and an asset ledger address corresponding to the user, and then sends the asset query request information on the first chain to the asset ledger system;
the asset account book system inquires the on-chain asset information corresponding to the asset account book address according to the asset account book address of the first on-chain asset inquiry request information, and then feeds the on-chain asset information back to the asset application terminal system;
the asset application terminal system displays the asset information on the chain to the user;
if the query requirement comprises managed asset storage information corresponding to the initial block, the asset application terminal system generates second chain asset query request information based on the managed asset registration index identification corresponding to the initial block information selected by the user, and then sends the second chain asset query request information to a storage service system;
and the storage service system inquires managed asset storage information corresponding to the managed asset registration index identification according to the managed asset registration index identification of the asset inquiry request information on the second chain, and then feeds the managed asset storage information back to the asset application terminal system.
6. The method of claim 5, wherein the query requirement comprises: the query conditions and the query results are any one or more of the following items: asset serial number, asset category and asset state, wherein the query result is any one or more of the following items: the number of assets, the details of the assets, the information of the initial block, the information of the terminal block and the transaction history of the assets.
7. The method of claim 6, further comprising:
if the query requirement of the asset query request information on the first chain comprises the initial block information, the asset account book system queries the initial block information corresponding to the managed asset type of the asset information on the chain according to the asset account book address of the asset query request information on the first chain, and then feeds the initial block information back to the asset application terminal system;
and the asset application terminal system displays initial block information corresponding to the managed asset type of the asset information on the chain to the user.
8. The method of claim 5, further comprising:
and if the inquiry requirement comprises the down-link asset registration information, the asset application terminal system accesses an asset right registration system to acquire the down-link asset registration information held by the asset host corresponding to the hosted asset storage information from the asset right registration system.
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