WO2021042786A1 - Decentralized domain name registration system and method based on blockchain - Google Patents

Decentralized domain name registration system and method based on blockchain Download PDF

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Publication number
WO2021042786A1
WO2021042786A1 PCT/CN2020/094210 CN2020094210W WO2021042786A1 WO 2021042786 A1 WO2021042786 A1 WO 2021042786A1 CN 2020094210 W CN2020094210 W CN 2020094210W WO 2021042786 A1 WO2021042786 A1 WO 2021042786A1
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WIPO (PCT)
Prior art keywords
domain name
smart contract
registered
sub
chain
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PCT/CN2020/094210
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French (fr)
Chinese (zh)
Inventor
白杰
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南京瑞祥信息技术有限公司
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Priority to FI20215063A priority Critical patent/FI20215063A1/en
Publication of WO2021042786A1 publication Critical patent/WO2021042786A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/30—Managing network names, e.g. use of aliases or nicknames
    • H04L61/3015—Name registration, generation or assignment
    • H04L61/302—Administrative registration, e.g. for domain names at internet corporation for assigned names and numbers [ICANN]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/02—Reservations, e.g. for tickets, services or events
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3297—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving time stamps, e.g. generation of time stamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Definitions

  • This application relates to the field of blockchain technology, in particular to a blockchain-based decentralized domain name registration system and method.
  • a domain name is the name of a computer or group of computers on the Internet consisting of a string of names separated by dots, used to identify the geographic location of the computer during data transmission.
  • Domain names can be divided into different levels, including root domain names, top-level domain names, and application domain names.
  • the root domain name is the highest-level domain name node.
  • the domain name ".” is the root domain name
  • the top-level domain name includes the national top-level domain name and the international top-level domain name.
  • the domain name ".com.” is the top-level domain name
  • the application domain name refers to the top-level domain name.
  • the domain name under the domain name, for example, ".abc.com.” or "www.abc.com.” in the domain name is the application domain name.
  • Domain name registration is a method used in the Internet to solve the problem of address correspondence.
  • the registrant usually performs domain name registration in the Domain Name System (DNS) system.
  • DNS Domain Name System
  • the DNS system is a centralized multi-level system, which essentially consists of the Internet name and number address allocation agency. (The Internet Corporation for Assigned Names and Numbers, ICANN) control, that is to say, the process of domain name registration is essentially controlled by ICANN.
  • This method of unified control by one organization violates the neutrality principle of the Internet.
  • ICANN For all parties involved in and providing network services, there is a risk that they may be restricted and blocked by ICANN, which in turn affects all parties participating in and providing network services. Party’s cyber security.
  • This application provides a blockchain-based decentralized domain name registration system and method, which can be used to solve the risk that domain name registration in the DNS system in the prior art may be restricted and blocked by ICANN, thereby affecting participation and provision The technical issues of network security for all parties to the network service.
  • an embodiment of the present application provides a blockchain-based decentralized domain name registration system.
  • the system includes a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain; Among them, the nodes in the public chain are configured with a root domain name smart contract; the nodes in the sub-chain are configured to: generate a sub-domain name smart contract by executing the root domain name smart contract, and obtain the sub-domain name smart contract in a competitive manner ownership;
  • the nodes in the sub-chain are further configured to: obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, and determine the target node in the sub-chain that owns the ownership of the target domain name smart contract;
  • the target node sends a domain name registration request, where the domain name registration request includes the domain name to be registered;
  • the target node is configured to determine whether to accept the domain name registration request, and if the domain name registration request is accepted, generate a smart contract corresponding to the domain name to be registered.
  • the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
  • the nodes in the sub-chain are further configured to generate a top-level domain name smart contract by executing the root domain name smart contract, and/or to generate an application domain name smart contract by executing the top-level domain name smart contract.
  • the root domain name smart contract is used to manage top-level domain names
  • the top-level domain name smart contract is used to manage application domain names
  • the node in the sub-chain is further configured to: obtain the domain name to be registered, and if the domain name to be registered is the top-level domain name to be registered, determine that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart Contract; decide whether to accept the registration request of the to-be-registered top-level domain name, if the registration request of the to-be-registered top-level domain name is accepted, then generate the top-level domain name smart contract corresponding to the to-be-registered top-level domain name according to the root domain name smart contract.
  • the node in the sub-chain is further configured to: obtain the domain name to be registered, and if the domain name to be registered is a second-level domain name to be registered, determine that the smart contract for managing the target domain name of the second-level domain name to be registered is the top-level domain name Domain name smart contract, and determining the target node in the sub-chain that has the ownership of the top-level domain name smart contract; sending a domain name registration request to the target node, where the domain name registration request includes the second-level domain name to be registered;
  • the target node is further configured to: if the domain name registration request is accepted, generate an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
  • the node in the sub-chain is further configured to: obtain a domain name to be registered, and if the domain name to be registered is a third-level domain name to be registered, determine that the target domain name smart contract for managing the third-level domain name to be registered is an application Domain name smart contract, and determining the target node in the sub-chain that owns the ownership of the application domain name smart contract; sending a domain name registration request to the target node, where the domain name registration request includes the third-level domain name to be registered;
  • the target node is further configured to: if accepting the domain name registration request, generate domain name system BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
  • the target node is further configured to: if the domain name registration request is rejected, the registration of the domain name to be registered fails.
  • the node in the sub-chain is further configured to obtain the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
  • the embodiments of the present application provide a blockchain-based decentralized domain name registration method.
  • the method is applied to the above-mentioned system.
  • the system includes a public chain composed of multiple nodes, and A sub-chain composed of some nodes in the public chain; wherein the nodes in the public chain are configured with a root domain name smart contract; the nodes in the sub-chain are configured to generate a sub-domain smart contract by executing the root domain name smart contract, and Obtain the ownership of the subdomain name smart contract by means of competition; the method includes:
  • the node in the sub-chain obtains the domain name to be registered
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that has the ownership of the target domain name smart contract;
  • the node in the sub-chain sends a domain name registration request to the target node, where the domain name registration request includes the domain name to be registered;
  • the target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered.
  • the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
  • the root domain name smart contract is used to manage top-level domain names
  • the top-level domain name smart contract is used to manage application domain names
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
  • the node in the sub-chain determines that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart contract;
  • the method also includes:
  • the node in the sub-chain decides whether to accept the registration request of the to-be-registered top-level domain name, and if it accepts the registration request of the to-be-registered top-level domain name, it generates the top-level domain name corresponding to the to-be-registered top-level domain name according to the root domain name smart contract. Domain name smart contract.
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
  • the node in the sub-chain determines that the target domain name smart contract for managing the second-level domain name to be registered is a top-level domain name smart contract, and determines that the sub-chain owns the top-level domain name The target node of smart contract ownership;
  • the target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, generating a smart contract corresponding to the domain name to be registered includes:
  • the target node If the domain name registration request is accepted, the target node generates an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
  • the node in the sub-chain determines that the target domain name smart contract that manages the third-level domain name to be registered is an application domain name smart contract, and determines that the sub-chain owns the application domain name The target node of smart contract ownership;
  • the target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered, including
  • the target node If the domain name registration request is accepted, the target node generates BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
  • the method further includes:
  • obtaining the domain name to be registered by the node in the sub-chain includes:
  • the node in the sub-chain obtains the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
  • the embodiments of the present application also provide a device that has the function of implementing the blockchain-based decentralized domain name registration method described above.
  • This function can be implemented by hardware executing corresponding software.
  • the device includes: a processor, a transceiver, and a memory; the memory is used to store computer-executed instructions, and the transceiver is used to implement communication between the device and other devices.
  • the entity communicates, the processor and the memory are connected through the bus, and when the device is running, the processor executes the computer execution instructions stored in the memory, so that the device executes the blockchain-based de-blocking described above.
  • Centralized domain name registration method Centralized domain name registration method.
  • the embodiment of the present invention also provides a computer storage medium, and the storage medium stores a software program.
  • the software program When the software program is read and executed by one or more processors, it realizes the above-mentioned various possible implementations based on the Decentralized domain name registration method of blockchain.
  • the embodiment of the present invention also provides a computer program product containing instructions, which when running on a computer, causes the computer to execute the blockchain-based decentralized domain name registration method described in the various possible implementation manners.
  • this application provides a blockchain-based decentralized domain name registration system, including: a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain.
  • all nodes in the public chain are configured with root domain name smart contracts; nodes in the sub-chain are configured to: generate sub-domain name smart contracts by executing the root domain name smart contract, and obtain the sub-domain name by means of competition Ownership of the smart contract; and, obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, determine the target node in the sub-chain that owns the ownership of the target domain name smart contract; after sending the domain name registration request to the target node, the target node decides Whether to accept the domain name registration request, if the domain name registration request is accepted, a smart contract corresponding to the domain name to be registered is generated.
  • This application deploys the DNS system in the blockchain network in the form of a sub-chain, which can realize a complete decentralized deployment.
  • the domain name registration system provided by this application is no longer controlled by ICANN, which avoids the risk that domain name registration in the DNS system may be restricted and blocked by ICANN, thereby improving participation and provision of network services. Cyber security for all parties.
  • Figure 1 is a schematic structural diagram of a blockchain-based decentralized domain name registration system to which an embodiment of this application is applicable;
  • FIG. 2 is a schematic diagram of a domain name registration process of a domain name registration system provided by an embodiment of the application;
  • FIG. 3 is a schematic diagram of a domain name registration process of a top-level domain name provided by an embodiment of the present application
  • FIG. 4 is a schematic diagram of a domain name registration process of a second-level domain name provided by an embodiment of the present application
  • FIG. 5 is a schematic diagram of a domain name registration process of a third-level domain name provided by an embodiment of the present application
  • Fig. 6 is a schematic diagram of a process corresponding to a blockchain-based decentralized domain name registration method provided by an embodiment of the present application.
  • the blockchain network refers to a point-to-point network with a decentralized application architecture, and the blockchain network can perform distributed storage, public consensus, digital encryption, transaction accounting, and verification. That is, the blockchain network is a trading platform that covers distributed technology, cryptography, P2P network architecture, and various consensus algorithms that may be applied.
  • blockchain or blockchain data refers to the accounting information generated according to the transaction information when a transaction occurs in the blockchain network, that is, multiple transactions form one block of data, and multiple block data form one Blockchain with timestamp.
  • the blockchain network includes nodes that establish a peer-to-peer network connection with each other. Each node is equipped with a corresponding consensus mechanism, such as a smart contract, and has sufficient computing power to perform transaction verification and accounting procedures.
  • the node also has an interface specification that conforms to a certain unified standard to realize access to more nodes or other types of blockchain networks through the interface specification.
  • the public chain is a point-to-point network structure composed of multiple nodes in the blockchain network, and each node has a distributed storage function and transaction and accounting functions; the nodes on the public chain provide a unified interface specification to the outside.
  • FIG. 1 exemplarily shows a schematic structural diagram of a blockchain-based decentralized domain name registration system to which an embodiment of the present application is applicable.
  • the system may include: a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain.
  • nodes in the public chain can also serve as sub-chain nodes at the same time. Since the nodes in the sub-chain are composed of some nodes in the public chain, they are both nodes in the sub-chain and nodes in the public chain. That is, the nodes constituting the sub-chain have the same smart contracts and functions as the nodes of the public chain.
  • public chains can provide basic blockchain services in the network, such as transactions, verification, and storage.
  • the public chain itself may not have specific functions corresponding to any field, but as a bridge, bringing all the sub-chains (or third-party blockchain networks) connected to the public chain into the same blockchain network, so that Different access chains can exchange transactions or transfer information with each other.
  • Smart contract is a consensus mechanism program agreed upon based on blockchain transactions, through which various functional transaction operations can be realized.
  • the node can complete the domain name registration service by executing the root domain name smart contract.
  • the nodes in the sub-chain can be configured to generate sub-domain smart contracts by executing the root domain smart contract, and obtain the ownership of the sub-domain smart contracts in a competitive manner.
  • the sub-chain node can be the owner of the sub-domain smart contract, that is, the sub-chain node is configured with the sub-domain smart contract.
  • the nodes that make up the sub-chain have the same smart contract as the nodes of the public chain, the nodes in the sub-chain can directly execute the root domain name smart contract, thereby generating the sub-domain name smart contract.
  • the subdomain smart contract includes top-level domain smart contract, application domain smart contract and domain name system (Blockchain Name System, BNS) data.
  • domain names can be divided into root domain names, top-level domain names, and application domain names. Further, application domain names can be divided into second-level domain names, third-level domain names, and fourth-level domain names.
  • a complete domain name consists of two or more parts, each part is separated by an English period ".”, the last ".” is called the root domain name; the right part of the last ".” is called It is a top-level domain name (Top Level Domain, TLD), also known as a first-level domain name. It contains a legal string and a domain name suffix; the left part of the top-level domain name from the left part of the string to the next ".” is called the second-level domain name (Second). Level Domain, SLD); the left part of the second-level domain name is called the third-level domain name, and so on, each level of domain name controls the distribution of its next-level domain name.
  • the root domain name can correspond to the root domain name smart contract.
  • the root domain name smart contract can be used to manage and maintain top-level domain names and generate top-level domain smart contracts; the top-level domain names can correspond to the top-level domain smart contracts, and the top-level domain smart contracts can be used to manage and maintain application domain names.
  • application domain names can correspond to application domain name smart contracts, and application domain name smart contracts can be used to manage and maintain BNS data; BNS data can include information about third-level domain names and the fourth level Information about the domain name, etc.
  • the nodes in the sub-chain can be specifically configured to generate a top-level domain name smart contract by executing a root domain name smart contract.
  • the nodes in the sub-chain can also be specifically configured to generate application domain name smart contracts by executing top-level domain smart contracts.
  • Fig. 2 exemplarily shows a schematic flowchart of a domain name registration process performed by a domain name registration system provided in an embodiment of the present application.
  • the nodes in the sub-chain can be further configured to: obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, and determine that the sub-chain has the target The target node of the ownership of the domain name smart contract (node 2 shown in Figure 2); sends a domain name registration request to the target node.
  • the domain name registration request may include the domain name to be registered.
  • the target node can be configured to decide whether to accept the domain name registration request, if accepting the domain name registration request, generate a smart contract corresponding to the domain name to be registered; if the domain name registration request is rejected, the domain name registration to be registered fails.
  • the target node after the target node generates the smart contract corresponding to the domain name to be registered, the nodes in the sub-chain can still obtain the ownership of the smart contract corresponding to the domain name to be registered in a competitive manner; at the same time, the target node can also add a new smart contract to the target domain name. Add the record of the domain name to be registered and point it to the smart contract corresponding to the domain name to be registered, thereby completing the domain name registration.
  • this application provides a blockchain-based decentralized domain name registration system, including: a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain.
  • all nodes in the public chain are configured with root domain name smart contracts; nodes in the sub-chain are configured to: generate sub-domain name smart contracts by executing the root domain name smart contract, and obtain the sub-domain name by means of competition Ownership of the smart contract; and, obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, determine the target node in the sub-chain that owns the ownership of the target domain name smart contract; after sending the domain name registration request to the target node, the target node decides Whether to accept the domain name registration request, if the domain name registration request is accepted, a smart contract corresponding to the domain name to be registered is generated.
  • This application deploys the DNS system in the blockchain network in the form of a sub-chain, which can realize a complete decentralized deployment.
  • the domain name registration system provided by this application is no longer controlled by ICANN, which avoids the risk that domain name registration in the DNS system may be restricted and blocked by ICANN, thereby improving participation and provision of network services. Cyber security for all parties.
  • the transaction request received by the node in the sub-chain originates from node 0.
  • Node 0 can be the initiating node of this domain name registration transaction, or it can be a neighboring node of the node in the sub-chain (ie, node 1). That is, a node in the sub-chain (node 1 as shown in FIG. 2) may be further configured to obtain the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
  • the transaction form between the initiating node and the node in the sub-chain is also different. There may be two situations in which nodes in the sub-chain obtain the domain name to be registered sent by the initiating node.
  • the initiating node can directly conduct transactions or information interaction with nodes in the sub-chain, it can directly send the domain name to be registered to the nodes in the sub-chain through the initiating node.
  • This method is most suitable for transactions in which the initiating node and the nodes in the sub-chain are in the same blockchain network, that is, the initiating node is also a node in the domain name registration system.
  • the initiating node can broadcast the domain name to be registered. Specifically, it may first broadcast the domain name to be registered to the neighboring node, and the neighboring node will determine whether to receive the domain name to be registered or continue broadcasting in combination with its own role until the node in the sub-chain receives the domain name to be registered.
  • the situation where the node in the sub-chain receives the domain name to be registered sent by the neighboring nodes of the node in the sub-chain may be that the transaction initiating node does not know the location information of the core node and sends the domain name to be registered in the blockchain in the form of broadcast. With the spread of information, the core node can receive the domain name to be registered through its neighboring nodes.
  • the above two situations are only exemplary descriptions.
  • the initiating node is a neighboring node of a node in the sub-chain
  • the node in the sub-chain can also be regarded as directly receiving The domain name to be registered sent by the initiating node.
  • the domain name to be registered in this application can be domain names of different levels
  • the target domain name smart contract that can manage the domain name to be registered is also different.
  • the following uses examples to describe in detail the domain name registration process of different levels of domain names to be registered.
  • FIG. 3 it is a schematic diagram of a domain name registration process of a top-level domain name provided by this embodiment of the application.
  • the node in the sub-chain can be further configured to: obtain the domain name to be registered, if the domain name to be registered is the top-level domain name to be registered, determine the target domain name smart contract for managing the top-level domain name to be registered is Root domain name smart contract; decide whether to accept the registration request of the to-be-registered top-level domain name, if the registration request of the to-be-registered top-level domain name is accepted, then generate the top-level domain name intelligence corresponding to the to-be-registered top-level domain name according to the root domain name smart contract contract.
  • the domain name to be registered is a top-level domain name to be registered
  • the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart contract
  • the nodes in the public chain are all configured with a root domain name smart contract
  • the nodes in the sub-chain are composed of some nodes in the public chain, that is, the nodes in the sub-chain are also configured
  • the target node that the node in the sub-chain needs to determine is actually itself, and then the node in the sub-chain can decide whether to accept the registration request of the to-be-registered top-level domain name.
  • FIG. 4 a schematic diagram of a domain name registration process of a second-level domain name provided by an embodiment of this application.
  • the node in the sub-chain (node 1 as shown in Figure 4) can be further configured to: obtain the domain name to be registered, if the domain name to be registered is the second-level domain name to be registered, determine the target domain name smart contract for managing the second-level domain name to be registered is Top-level domain name smart contract, and determine the target node (node 2 shown in Figure 4) that has the ownership of the top-level domain name smart contract in the sub-chain; send a domain name registration request to the target node.
  • the domain name registration request may include the second-level domain name to be registered.
  • the target node may be further configured to: if accepting the domain name registration request, generate the application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
  • FIG. 5 a schematic diagram of a domain name registration process of a third-level domain name provided by this embodiment of the application.
  • the node in the sub-chain (node 1 as shown in Figure 5) can be further configured to: obtain the domain name to be registered, if the domain name to be registered is the third-level domain name to be registered, determine the target domain name smart contract that manages the third-level domain name to be registered is Apply the domain name smart contract, and determine the target node (node 2 shown in Figure 5) that has the ownership of the application domain name smart contract in the sub-chain; send a domain name registration request to the target node.
  • the domain name registration request may include the third-level domain name to be registered.
  • the target node may be further configured to: if accepting the domain name registration request, generate BNS data corresponding to the third-level domain name to be registered according to the application domain name smart contract.
  • the method shown in FIG. 5 can also be used to implement domain name registration, which will not be described in detail here.
  • the embodiments of this application also provide a blockchain-based decentralized domain name registration method.
  • FIG. 6 a schematic diagram of a process corresponding to a blockchain-based decentralized domain name registration method provided by an embodiment of this application.
  • This method can be applied to the decentralized domain name registration system described above.
  • the system can include a public chain composed of multiple nodes and a sub-chain composed of some nodes in the public chain; wherein the node configuration in the public chain There is a root domain name smart contract; the nodes in the sub-chain are configured to generate a subdomain name smart contract by executing the root domain name smart contract, and obtain the ownership of the subdomain name smart contract in a competitive manner; this method may specifically include the following steps:
  • Step 101 A node in the sub-chain obtains a domain name to be registered.
  • Step 102 The nodes in the sub-chain determine the target domain name smart contract that manages the domain name to be registered, and determine the target node in the sub-chain that owns the ownership of the target domain name smart contract.
  • Step 103 The node in the sub-chain sends a domain name registration request to the target node.
  • the domain name registration request includes the domain name to be registered.
  • Step 104 The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered.
  • deploying the DNS system in the blockchain network in the form of a sub-chain can realize a complete decentralized deployment.
  • the domain name registration method provided in this application is no longer controlled by ICANN, which avoids the risk that domain name registration in the DNS system may be restricted and blocked by ICANN, thereby improving participation and provision of network services. Cyber security for all parties.
  • the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
  • the root domain name smart contract is used to manage top-level domain names
  • the top-level domain name smart contract is used to manage application domain names
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
  • the node in the sub-chain determines that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart contract;
  • the method also includes:
  • the node in the sub-chain decides whether to accept the registration request of the to-be-registered top-level domain name, and if it accepts the registration request of the to-be-registered top-level domain name, it generates the top-level domain name corresponding to the to-be-registered top-level domain name according to the root domain name smart contract. Domain name smart contract.
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
  • the node in the sub-chain determines that the target domain name smart contract for managing the second-level domain name to be registered is a top-level domain name smart contract, and determines that the sub-chain owns the top-level domain name The target node of smart contract ownership;
  • the target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, generating a smart contract corresponding to the domain name to be registered includes:
  • the target node If the domain name registration request is accepted, the target node generates an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
  • the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
  • the node in the sub-chain determines that the target domain name smart contract that manages the third-level domain name to be registered is an application domain name smart contract, and determines that the sub-chain owns the application domain name The target node of smart contract ownership;
  • the target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered, including
  • the target node If the domain name registration request is accepted, the target node generates BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
  • the method further includes:
  • obtaining the domain name to be registered by the node in the sub-chain includes:
  • the node in the sub-chain obtains the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
  • a computer-readable storage medium is also provided, and a computer program or smart contract is stored in the storage medium, and the computer program or smart contract is loaded and executed by a node to implement the above-mentioned embodiments.
  • Transaction processing method may be Read-Only Memory (ROM), Random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. .
  • the technology in the embodiments of the present application can be implemented by means of software plus a necessary general hardware platform.
  • the technical solutions in the embodiments of the present application can be embodied in the form of software products, which can be stored in a storage medium, such as ROM/RAM. , Magnetic disks, optical disks, etc., including a number of instructions to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments of the present application.

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Abstract

Provided are a decentralized domain name registration system and method based on a blockchain. The system comprises a public blockchain and a sub-blockchain composed of some nodes in the public blockchain. Each node in the public blockchain is configured with a root domain name intelligent contract. Each node in the sub-blockchain is configured to: generate a sub-domain name intelligent contract by means of executing the root domain name intelligent contract, and acquire the ownership of the sub-domain name intelligent contract by means of contention; acquire a domain name to be registered, determine a target domain name intelligent contract for the management of the domain name to be registered, and determine a target node, which has the ownership of the target domain name intelligent contract, from the sub-blockchain; and decide, by means of the target node and after the sending of a domain name registration request to the target node, whether to accept the domain name registration request. The domain name registration system provided in the present application is no longer controlled by an ICANN, thus avoiding the risk of it being possible that domain name registration in a DNS system is limited and blocked by the ICANN, such that network security for various parties involved in and providing network services can be improved.

Description

一种基于区块链的去中心化域名注册系统及方法A decentralized domain name registration system and method based on blockchain
本申请要求在2019年9月6日提交中国专利局、申请号为201910842298.3、发明名称为“一种基于区块链的去中心化域名注册系统及方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application requires the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 201910842298.3, and the invention title is "a blockchain-based decentralized domain name registration system and method" on September 6, 2019. All of them The content is incorporated in this application by reference.
技术领域Technical field
本申请涉及区块链技术领域，特别涉及一种基于区块链的去中心化域名注册系统及方法。This application relates to the field of blockchain technology, in particular to a blockchain-based decentralized domain name registration system and method.
背景技术Background technique
域名是由一串用点分隔的名字组成的互联网上某一台计算机或计算机组的名称，用于在数据传输时标识计算机的地理位置。域名可分为不同级别，包括根域名、顶级域名和应用域名。其中，根域名是最高一级的域名节点，比如，域名“.”就是根域名；顶级域名包括国家顶级域名和国际顶级域名，比如，域名“.com.”就是顶级域名；应用域名是指顶级域名之下的域名，比如，域名中的“.abc.com.”或“www.abc.com.”就是应用域名。A domain name is the name of a computer or group of computers on the Internet consisting of a string of names separated by dots, used to identify the geographic location of the computer during data transmission. Domain names can be divided into different levels, including root domain names, top-level domain names, and application domain names. Among them, the root domain name is the highest-level domain name node. For example, the domain name "." is the root domain name; the top-level domain name includes the national top-level domain name and the international top-level domain name. For example, the domain name ".com." is the top-level domain name; the application domain name refers to the top-level domain name. The domain name under the domain name, for example, ".abc.com." or "www.abc.com." in the domain name is the application domain name.
域名注册是互联网中用于解决地址对应问题的一种方法。现有技术中，注册人通常是在网域名称系统(Domain Name System，DNS)系统中进行域名注册，但是DNS系统作为一个中心化的多层级系统，本质上是由互联网名称与数字地址分配机构(The Internet Corporation for Assigned Names and Numbers，ICANN)控制的，也就是说，域名注册的过程本质上也是由ICANN控制的。这种由一个组织统一控制的方式违背了互联网的中立性原则，对于参与和提供网络服务的各方而言，都存在着可能被ICANN限制和屏蔽的风险，进而影响参与和提供网络服务的各方的网络安全。Domain name registration is a method used in the Internet to solve the problem of address correspondence. In the prior art, the registrant usually performs domain name registration in the Domain Name System (DNS) system. However, the DNS system is a centralized multi-level system, which essentially consists of the Internet name and number address allocation agency. (The Internet Corporation for Assigned Names and Numbers, ICANN) control, that is to say, the process of domain name registration is essentially controlled by ICANN. This method of unified control by one organization violates the neutrality principle of the Internet. For all parties involved in and providing network services, there is a risk that they may be restricted and blocked by ICANN, which in turn affects all parties participating in and providing network services. Party’s cyber security.
基于此，目前亟需一种基于区块链的去中心化域名注册系统及方法，用于解决现有技术中在DNS系统中进行域名注册存在可能被ICANN限制和屏蔽的风险，进而影响参与和提供网络服务的各方的网络安全的问题。Based on this, there is an urgent need for a blockchain-based decentralized domain name registration system and method to solve the risk that domain name registration in the DNS system in the prior art may be restricted and blocked by ICANN, thereby affecting participation and The issue of network security for all parties providing network services.
发明内容Summary of the invention
本申请提供了一种基于区块链的去中心化域名注册系统及方法，可用于解决在现有技术中在DNS系统中进行域名注册存在可能被ICANN限制和屏蔽的风险，进而影响参与和提供网络服务的各方的网络安全的技术问题。This application provides a blockchain-based decentralized domain name registration system and method, which can be used to solve the risk that domain name registration in the DNS system in the prior art may be restricted and blocked by ICANN, thereby affecting participation and provision The technical issues of network security for all parties to the network service.
第一方面，本申请实施例提供一种基于区块链的去中心化域名注册系统，所述系统包括由多个节点组成的公链，以及由所述公链中部分节点组成的子链；其中，公链中的节点配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取所述子域名智能合约的所有权；In the first aspect, an embodiment of the present application provides a blockchain-based decentralized domain name registration system. The system includes a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain; Among them, the nodes in the public chain are configured with a root domain name smart contract; the nodes in the sub-chain are configured to: generate a sub-domain name smart contract by executing the root domain name smart contract, and obtain the sub-domain name smart contract in a competitive manner ownership;
所述子链中的节点进一步被配置为：获取待注册域名，确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点； 向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册域名；The nodes in the sub-chain are further configured to: obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, and determine the target node in the sub-chain that owns the ownership of the target domain name smart contract; The target node sends a domain name registration request, where the domain name registration request includes the domain name to be registered;
所述目标节点被配置为：决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约。The target node is configured to determine whether to accept the domain name registration request, and if the domain name registration request is accepted, generate a smart contract corresponding to the domain name to be registered.
可选地，所述子域名智能合约包括顶级域名智能合约和应用域名智能合约。Optionally, the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
可选地，所述子链中的节点被进一步地配置为：通过执行所述根域名智能合约生成顶级域名智能合约，和/或，通过执行所述顶级域名智能合约生成应用域名智能合约。Optionally, the nodes in the sub-chain are further configured to generate a top-level domain name smart contract by executing the root domain name smart contract, and/or to generate an application domain name smart contract by executing the top-level domain name smart contract.
可选地，所述根域名智能合约用于管理顶级域名，所述顶级域名智能合约用于管理应用域名。Optionally, the root domain name smart contract is used to manage top-level domain names, and the top-level domain name smart contract is used to manage application domain names.
可选地，所述子链中的节点进一步被配置为：获取待注册域名，如果所述待注册域名是待注册顶级域名，确定管理所述待注册顶级域名的目标域名智能合约是根域名智能合约；决定是否接受所述待注册顶级域名的注册请求，如果接受所述待注册的顶级域名注册请求，则根据所述根域名智能合约生成所述待注册顶级域名对应的顶级域名智能合约。Optionally, the node in the sub-chain is further configured to: obtain the domain name to be registered, and if the domain name to be registered is the top-level domain name to be registered, determine that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart Contract; decide whether to accept the registration request of the to-be-registered top-level domain name, if the registration request of the to-be-registered top-level domain name is accepted, then generate the top-level domain name smart contract corresponding to the to-be-registered top-level domain name according to the root domain name smart contract.
可选地，所述子链中的节点进一步被配置为：获取待注册域名，如果所述待注册域名是待注册二级域名，确定管理所述待注册二级域名的目标域名智能合约是顶级域名智能合约，以及确定子链中拥有所述顶级域名智能合约所有权的目标节点；向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册二级域名；Optionally, the node in the sub-chain is further configured to: obtain the domain name to be registered, and if the domain name to be registered is a second-level domain name to be registered, determine that the smart contract for managing the target domain name of the second-level domain name to be registered is the top-level domain name Domain name smart contract, and determining the target node in the sub-chain that has the ownership of the top-level domain name smart contract; sending a domain name registration request to the target node, where the domain name registration request includes the second-level domain name to be registered;
所述目标节点进一步被配置为：如果接受所述域名注册请求，则根据所述顶级域名智能合约生成所述待注册二级域名对应的应用域名智能合约。The target node is further configured to: if the domain name registration request is accepted, generate an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
可选地，所述子链中的节点进一步被配置为：获取待注册域名，如果所述待注册域名是待注册三级域名，确定管理所述待注册三级域名的目标域名智能合约是应用域名智能合约，以及确定子链中拥有所述应用域名智能合约所有权的目标节点；向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册三级域名；Optionally, the node in the sub-chain is further configured to: obtain a domain name to be registered, and if the domain name to be registered is a third-level domain name to be registered, determine that the target domain name smart contract for managing the third-level domain name to be registered is an application Domain name smart contract, and determining the target node in the sub-chain that owns the ownership of the application domain name smart contract; sending a domain name registration request to the target node, where the domain name registration request includes the third-level domain name to be registered;
所述目标节点进一步被配置为：如果接受所述域名注册请求，则根据所述应用域名智能合约生成所述待注册域名对应的域名系统BNS数据。The target node is further configured to: if accepting the domain name registration request, generate domain name system BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
可选地，所述目标节点进一步被配置为：如果拒绝所述域名注册请求，则所述待注册域名注册失败。Optionally, the target node is further configured to: if the domain name registration request is rejected, the registration of the domain name to be registered fails.
可选地，所述子链中的节点进一步被配置为：获取发起节点或所述子链中的节点对应的邻近节点发送的待注册域名。Optionally, the node in the sub-chain is further configured to obtain the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
第二方面，本申请实施例提供一种基于区块链的去中心化域名注册方法，所述方法应用于上文所述的系统，所述系统包括由多个节点组成的公链，以及由所述公链中部分节点组成的子链；其中，公链中的节点配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取所述子域名智能合约的所有权；所述方法包括：In the second aspect, the embodiments of the present application provide a blockchain-based decentralized domain name registration method. The method is applied to the above-mentioned system. The system includes a public chain composed of multiple nodes, and A sub-chain composed of some nodes in the public chain; wherein the nodes in the public chain are configured with a root domain name smart contract; the nodes in the sub-chain are configured to generate a sub-domain smart contract by executing the root domain name smart contract, and Obtain the ownership of the subdomain name smart contract by means of competition; the method includes:
所述子链中的节点获取待注册域名；The node in the sub-chain obtains the domain name to be registered;
所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点；The node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that has the ownership of the target domain name smart contract;
所述子链中的节点向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册域名；The node in the sub-chain sends a domain name registration request to the target node, where the domain name registration request includes the domain name to be registered;
所述目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约。The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered.
可选地，所述子域名智能合约包括顶级域名智能合约和应用域名智能合约。Optionally, the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
可选地，所述根域名智能合约用于管理顶级域名，所述顶级域名智能合约用于管理应用域名。Optionally, the root domain name smart contract is used to manage top-level domain names, and the top-level domain name smart contract is used to manage application domain names.
可选地，所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点，包括：Optionally, the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
如果所述待注册域名是待注册顶级域名，所述子链中的节点确定管理所述待注册顶级域名的目标域名智能合约是根域名智能合约；If the domain name to be registered is a top-level domain name to be registered, the node in the sub-chain determines that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart contract;
所述方法还包括：The method also includes:
所述子链中的节点决定是否接受所述待注册顶级域名的注册请求，如果接受所述待注册的顶级域名注册请求，则根据所述根域名智能合约生成所述待注册顶级域名对应的顶级域名智能合约。The node in the sub-chain decides whether to accept the registration request of the to-be-registered top-level domain name, and if it accepts the registration request of the to-be-registered top-level domain name, it generates the top-level domain name corresponding to the to-be-registered top-level domain name according to the root domain name smart contract. Domain name smart contract.
可选地，所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点，包括：Optionally, the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
如果所述待注册域名是待注册二级域名，所述子链中的节点确定管理所述待注册二级域名的目标域名智能合约是顶级域名智能合约，以及确定子链中拥有所述顶级域名智能合约所有权的目标节点；If the domain name to be registered is a second-level domain name to be registered, the node in the sub-chain determines that the target domain name smart contract for managing the second-level domain name to be registered is a top-level domain name smart contract, and determines that the sub-chain owns the top-level domain name The target node of smart contract ownership;
所述目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约，包括：The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, generating a smart contract corresponding to the domain name to be registered includes:
如果接受所述域名注册请求，所述目标节点根据所述顶级域名智能合约生成所述待注册二级域名对应的应用域名智能合约。If the domain name registration request is accepted, the target node generates an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
可选地，所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点，包括：Optionally, the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
如果所述待注册域名是待注册三级域名，所述子链中的节点确定管理所述待注册三级域名的目标域名智能合约是应用域名智能合约，以及确定子链中拥有所述应用域名智能合约所有权的目标节点；If the domain name to be registered is a third-level domain name to be registered, the node in the sub-chain determines that the target domain name smart contract that manages the third-level domain name to be registered is an application domain name smart contract, and determines that the sub-chain owns the application domain name The target node of smart contract ownership;
所述目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约，包括The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered, including
如果接受所述域名注册请求，所述目标节点根据所述应用域名智能合约生成所述待注册域名对应的BNS数据。If the domain name registration request is accepted, the target node generates BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
可选地，所述方法还包括：Optionally, the method further includes:
如果拒绝所述域名注册请求，所述待注册域名注册失败。If the domain name registration request is rejected, the registration of the domain name to be registered fails.
可选地，所述子链中的节点获取待注册域名，包括：Optionally, obtaining the domain name to be registered by the node in the sub-chain includes:
所述子链中的节点获取发起节点或所述子链中的节点对应的邻近节点发送的待注册域名。The node in the sub-chain obtains the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
本申请实施例的还提供一种装置，该装置具有实现上文所描述的基于区块链的去中心化域名注册方法的功能。该功能可以通过硬件执行相应的软件实现，在一种可能的设计中，该装置包括：处理器、收发器、存储器；该存储器用于存储计算机执行指 令，该收发器用于实现该装置与其他通信实体进行通信，该处理器与该存储器通过该总线连接，当该装置运行时，该处理器执行该存储器存储的该计算机执行指令，以使该装置执行上文所描述的基于区块链的去中心化域名注册方法。The embodiments of the present application also provide a device that has the function of implementing the blockchain-based decentralized domain name registration method described above. This function can be implemented by hardware executing corresponding software. In a possible design, the device includes: a processor, a transceiver, and a memory; the memory is used to store computer-executed instructions, and the transceiver is used to implement communication between the device and other devices. The entity communicates, the processor and the memory are connected through the bus, and when the device is running, the processor executes the computer execution instructions stored in the memory, so that the device executes the blockchain-based de-blocking described above. Centralized domain name registration method.
本发明实施例还提供一种计算机存储介质，所述存储介质中存储软件程序，该软件程序在被一个或多个处理器读取并执行时实现上述各种可能的实现方式中所描述的基于区块链的去中心化域名注册方法。The embodiment of the present invention also provides a computer storage medium, and the storage medium stores a software program. When the software program is read and executed by one or more processors, it realizes the above-mentioned various possible implementations based on the Decentralized domain name registration method of blockchain.
本发明实施例还提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述各种可能的实现方式中所描述的基于区块链的去中心化域名注册方法。The embodiment of the present invention also provides a computer program product containing instructions, which when running on a computer, causes the computer to execute the blockchain-based decentralized domain name registration method described in the various possible implementation manners.
由以上技术方案可知，本申请提供一种基于区块链的去中心化域名注册系统，包括：由多个节点组成的公链，以及由公链中部分节点组成的子链。其中，公链中的所有节点中均配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取所述子域名智能合约的所有权；以及，获取待注册域名，确定管理待注册域名的目标域名智能合约，确定子链中拥有目标域名智能合约所有权的目标节点；向目标节点发送域名注册请求后，由目标节点决定是否接受域名注册请求，如果接受域名注册请求，则生成待注册域名对应的智能合约。本申请通过子链的形式，将DNS系统部署在区块链网络中，可以实现完整的去中心化部署。与现有的DNS系统相比，本申请提供的域名注册系统不再由ICANN控制，避免了在DNS系统中进行域名注册存在可能被ICANN限制和屏蔽的风险，从而可以提高参与和提供网络服务的各方的网络安全。It can be seen from the above technical solutions that this application provides a blockchain-based decentralized domain name registration system, including: a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain. Among them, all nodes in the public chain are configured with root domain name smart contracts; nodes in the sub-chain are configured to: generate sub-domain name smart contracts by executing the root domain name smart contract, and obtain the sub-domain name by means of competition Ownership of the smart contract; and, obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, determine the target node in the sub-chain that owns the ownership of the target domain name smart contract; after sending the domain name registration request to the target node, the target node decides Whether to accept the domain name registration request, if the domain name registration request is accepted, a smart contract corresponding to the domain name to be registered is generated. This application deploys the DNS system in the blockchain network in the form of a sub-chain, which can realize a complete decentralized deployment. Compared with the existing DNS system, the domain name registration system provided by this application is no longer controlled by ICANN, which avoids the risk that domain name registration in the DNS system may be restricted and blocked by ICANN, thereby improving participation and provision of network services. Cyber security for all parties.
附图说明Description of the drawings
图1是本申请实施例适用的一种基于区块链的去中心化域名注册系统的结构示意图；Figure 1 is a schematic structural diagram of a blockchain-based decentralized domain name registration system to which an embodiment of this application is applicable;
图2是本申请实施例提供的一种域名注册系统进行域名注册的流程示意图；2 is a schematic diagram of a domain name registration process of a domain name registration system provided by an embodiment of the application;
图3是本申请实施例提供的一种顶级域名的域名注册流程的示意图；FIG. 3 is a schematic diagram of a domain name registration process of a top-level domain name provided by an embodiment of the present application;
图4是本申请实施例提供的一种二级域名的域名注册流程的示意图；FIG. 4 is a schematic diagram of a domain name registration process of a second-level domain name provided by an embodiment of the present application;
图5是本申请实施例提供的一种三级域名的域名注册流程的示意图；FIG. 5 is a schematic diagram of a domain name registration process of a third-level domain name provided by an embodiment of the present application;
图6是本申请实施例提供的一种基于区块链的去中心化域名注册方法所对应的流程示意图。Fig. 6 is a schematic diagram of a process corresponding to a blockchain-based decentralized domain name registration method provided by an embodiment of the present application.
具体实施方式detailed description
在本申请提供的技术方案中，区块链网络是指具有去中心化应用架构的点对点网络，所述区块链网络能够在网络内部进行分布式存储、公共共识、数字加密、交易记账以及验证。即区块链网络是涵盖了分布式技术、密码学、P2P网络架构以及各种可能被应用的共识算法的交易平台。In the technical solution provided by this application, the blockchain network refers to a point-to-point network with a decentralized application architecture, and the blockchain network can perform distributed storage, public consensus, digital encryption, transaction accounting, and verification. That is, the blockchain network is a trading platform that covers distributed technology, cryptography, P2P network architecture, and various consensus algorithms that may be applied.
本申请中，区块链或区块链数据是指在区块链网络中发生交易时，根据交易信息生成的记账信息，即多笔交易组成一个区块数据，多个区块数据形成一条带有时间戳的区块链。区块链网络中，包括相互建立点对点网络连接的节点，每一个节点都配置有相应的共识机制，如智能合约，并且具有足够的运算能力，以进行交易验证和记账 程序。节点上还具有符合某种统一标准的接口规范，以实现通过接口规范接入更多的节点或者其他类型的区块链网络。所述公链为区块链网络中多个节点组成的点对点网络结构，每个节点具有分布式存储功能和交易、记账功能；公链上的节点对外提供统一的接口规范。In this application, blockchain or blockchain data refers to the accounting information generated according to the transaction information when a transaction occurs in the blockchain network, that is, multiple transactions form one block of data, and multiple block data form one Blockchain with timestamp. The blockchain network includes nodes that establish a peer-to-peer network connection with each other. Each node is equipped with a corresponding consensus mechanism, such as a smart contract, and has sufficient computing power to perform transaction verification and accounting procedures. The node also has an interface specification that conforms to a certain unified standard to realize access to more nodes or other types of blockchain networks through the interface specification. The public chain is a point-to-point network structure composed of multiple nodes in the blockchain network, and each node has a distributed storage function and transaction and accounting functions; the nodes on the public chain provide a unified interface specification to the outside.
下面首先结合图1对本申请实施例适用的可能的系统架构进行介绍。The following first introduces a possible system architecture to which the embodiment of the present application is applicable in conjunction with FIG. 1.
请参考图1，其示例性示出了本申请实施例适用的一种基于区块链的去中心化域名注册系统的结构示意图。该系统可以包括：由多个节点组成的公链，以及由所述公链中部分节点组成的子链。显然，本实施例中，公链中的节点也可以同时作为子链节点。而子链中的节点由于是由公链中的部分节点所组成，因此，其既是子链中的节点又是公链中的节点。即，组成所述子链的节点具有与所述公链的节点相同的智能合约和功能。Please refer to FIG. 1, which exemplarily shows a schematic structural diagram of a blockchain-based decentralized domain name registration system to which an embodiment of the present application is applicable. The system may include: a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain. Obviously, in this embodiment, nodes in the public chain can also serve as sub-chain nodes at the same time. Since the nodes in the sub-chain are composed of some nodes in the public chain, they are both nodes in the sub-chain and nodes in the public chain. That is, the nodes constituting the sub-chain have the same smart contracts and functions as the nodes of the public chain.
实际应用中，公链可以提供网络中的基础区块链服务，例如交易、验证、存储等。公链本身可以不具有任何领域对应的特定功能，而是作为一种桥梁，将接入公链的所有子链(或第三方区块链网络)汇集到同一个区块链网络中，以使不同的接入链可以相互发生交易或传递信息。In practical applications, public chains can provide basic blockchain services in the network, such as transactions, verification, and storage. The public chain itself may not have specific functions corresponding to any field, but as a bridge, bringing all the sub-chains (or third-party blockchain networks) connected to the public chain into the same blockchain network, so that Different access chains can exchange transactions or transfer information with each other.
在本申请提供的技术方案中，公链中的节点中均配置有根域名智能合约。智能合约是基于区块链交易而约定的共识机制程序，通过智能合约可以实现各种功能的交易运算。本申请实施例中，通过根域名智能合约，节点可以通过执行根域名智能合约完成域名注册登记服务。In the technical solution provided by this application, all nodes in the public chain are equipped with root domain name smart contracts. Smart contract is a consensus mechanism program agreed upon based on blockchain transactions, through which various functional transaction operations can be realized. In this embodiment of the application, through the root domain name smart contract, the node can complete the domain name registration service by executing the root domain name smart contract.
子链中的节点可以被配置为：通过执行根域名智能合约生成子域名智能合约，以及采用竞争的方式获取子域名智能合约的所有权。其中，某个子链节点获取到子域名智能合约的所有权之后，该子链节点可以作为该子域名智能合约的所有者，也就是说，该子链节点配置有该子域名智能合约。The nodes in the sub-chain can be configured to generate sub-domain smart contracts by executing the root domain smart contract, and obtain the ownership of the sub-domain smart contracts in a competitive manner. Among them, after a certain sub-chain node obtains the ownership of the sub-domain smart contract, the sub-chain node can be the owner of the sub-domain smart contract, that is, the sub-chain node is configured with the sub-domain smart contract.
由于组成子链的节点具有与公链的节点相同的智能合约，因此，子链中的节点可以直接执行根域名智能合约，从而生成子域名智能合约。其中，子域名智能合约包括顶级域名智能合约、应用域名智能合约和域名系统(Blockchain Name System，BNS)数据。Since the nodes that make up the sub-chain have the same smart contract as the nodes of the public chain, the nodes in the sub-chain can directly execute the root domain name smart contract, thereby generating the sub-domain name smart contract. Among them, the subdomain smart contract includes top-level domain smart contract, application domain smart contract and domain name system (Blockchain Name System, BNS) data.
在域名系统中，域名可以分为根域名、顶级域名和应用域名。进一步地，应用域名又可以分为二级域名、三级域名和四级域名等。一个完整的域名由二个或二个以上部分组成，各部分之间用英文的句号"."来分隔，最末端的“.”称为根域名；倒数第一个"."的右边部分称为顶级域名(Top Level Domain，TLD)，也称为一级域名，包含一个合法字符串，和一个域名后缀；顶级域名的左边部分字符串到下个"."为止称为二级域名(Second Level Domain，SLD)；二级域名的左边部分称为三级域名，以此类推，每一级的域名控制它下一级域名的分配。In the domain name system, domain names can be divided into root domain names, top-level domain names, and application domain names. Further, application domain names can be divided into second-level domain names, third-level domain names, and fourth-level domain names. A complete domain name consists of two or more parts, each part is separated by an English period ".", the last "." is called the root domain name; the right part of the last "." is called It is a top-level domain name (Top Level Domain, TLD), also known as a first-level domain name. It contains a legal string and a domain name suffix; the left part of the top-level domain name from the left part of the string to the next "." is called the second-level domain name (Second). Level Domain, SLD); the left part of the second-level domain name is called the third-level domain name, and so on, each level of domain name controls the distribution of its next-level domain name.
本申请实施例中，针对不同级别的域名，提供不同的智能合约。根域名可以对应根域名智能合约，根域名智能合约可以用于管理和维护顶级域名，以及生成顶级域名智能合约；顶级域名可以对应顶级域名智能合约，顶级域名智能合约可以用于管理和维护应用域名(比如管理二级域名)，以及生成应用域名智能合约；应用域名可以对应应用域名智能合约，应用域名智能合约可以用于管理和维护BNS数据；BNS数据可 以包括三级域名的相关信息和四级域名的相关信息等。In the embodiments of this application, different smart contracts are provided for domain names of different levels. The root domain name can correspond to the root domain name smart contract. The root domain name smart contract can be used to manage and maintain top-level domain names and generate top-level domain smart contracts; the top-level domain names can correspond to the top-level domain smart contracts, and the top-level domain smart contracts can be used to manage and maintain application domain names. (Such as managing second-level domain names), and generating application domain name smart contracts; application domain names can correspond to application domain name smart contracts, and application domain name smart contracts can be used to manage and maintain BNS data; BNS data can include information about third-level domain names and the fourth level Information about the domain name, etc.
进一步地，子链中的节点具体可以被配置为：通过执行根域名智能合约生成顶级域名智能合约。Further, the nodes in the sub-chain can be specifically configured to generate a top-level domain name smart contract by executing a root domain name smart contract.
或者，子链中的节点具体还可以被配置为：通过执行顶级域名智能合约生成应用域名智能合约。Alternatively, the nodes in the sub-chain can also be specifically configured to generate application domain name smart contracts by executing top-level domain smart contracts.
基于图1所示的系统架构以及上文所描述的内容，下面详细介绍域名注册的情形。Based on the system architecture shown in Figure 1 and the content described above, the following describes the situation of domain name registration in detail.
图2示例性示出了本申请实施例提供的一种域名注册系统进行域名注册的流程示意图。Fig. 2 exemplarily shows a schematic flowchart of a domain name registration process performed by a domain name registration system provided in an embodiment of the present application.
如图2所示，子链中的节点(如图2示出的节点1)可以进一步被配置为：获取待注册域名，确定管理待注册域名的目标域名智能合约，以及确定子链中拥有目标域名智能合约所有权的目标节点(如图2示出的节点2)；向目标节点发送域名注册请求。其中，域名注册请求可以包括待注册域名。As shown in Figure 2, the nodes in the sub-chain (node 1 shown in Figure 2) can be further configured to: obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, and determine that the sub-chain has the target The target node of the ownership of the domain name smart contract (node 2 shown in Figure 2); sends a domain name registration request to the target node. The domain name registration request may include the domain name to be registered.
相应地，目标节点可以被配置为：决定是否接受域名注册请求，如果接受域名注册请求，则生成待注册域名对应的智能合约；如果拒绝域名注册请求，则待注册域名注册失败。Correspondingly, the target node can be configured to decide whether to accept the domain name registration request, if accepting the domain name registration request, generate a smart contract corresponding to the domain name to be registered; if the domain name registration request is rejected, the domain name registration to be registered fails.
进一步地，目标节点生成待注册域名对应的智能合约之后，子链中的节点仍然可以采用竞争的方式获取待注册域名对应的智能合约的所有权；同时，目标节点还可以在目标域名智能合约中新增待注册域名的记录，指向待注册域名对应的智能合约，从而完成域名注册。Further, after the target node generates the smart contract corresponding to the domain name to be registered, the nodes in the sub-chain can still obtain the ownership of the smart contract corresponding to the domain name to be registered in a competitive manner; at the same time, the target node can also add a new smart contract to the target domain name. Add the record of the domain name to be registered and point it to the smart contract corresponding to the domain name to be registered, thereby completing the domain name registration.
由以上技术方案可知，本申请提供一种基于区块链的去中心化域名注册系统，包括：由多个节点组成的公链，以及由公链中部分节点组成的子链。其中，公链中的所有节点中均配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取所述子域名智能合约的所有权；以及，获取待注册域名，确定管理待注册域名的目标域名智能合约，确定子链中拥有目标域名智能合约所有权的目标节点；向目标节点发送域名注册请求后，由目标节点决定是否接受域名注册请求，如果接受域名注册请求，则生成待注册域名对应的智能合约。本申请通过子链的形式，将DNS系统部署在区块链网络中，可以实现完整的去中心化部署。与现有的DNS系统相比，本申请提供的域名注册系统不再由ICANN控制，避免了在DNS系统中进行域名注册存在可能被ICANN限制和屏蔽的风险，从而可以提高参与和提供网络服务的各方的网络安全。It can be seen from the above technical solutions that this application provides a blockchain-based decentralized domain name registration system, including: a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain. Among them, all nodes in the public chain are configured with root domain name smart contracts; nodes in the sub-chain are configured to: generate sub-domain name smart contracts by executing the root domain name smart contract, and obtain the sub-domain name by means of competition Ownership of the smart contract; and, obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, determine the target node in the sub-chain that owns the ownership of the target domain name smart contract; after sending the domain name registration request to the target node, the target node decides Whether to accept the domain name registration request, if the domain name registration request is accepted, a smart contract corresponding to the domain name to be registered is generated. This application deploys the DNS system in the blockchain network in the form of a sub-chain, which can realize a complete decentralized deployment. Compared with the existing DNS system, the domain name registration system provided by this application is no longer controlled by ICANN, which avoids the risk that domain name registration in the DNS system may be restricted and blocked by ICANN, thereby improving participation and provision of network services. Cyber security for all parties.
根据图2示出的内容可知，子链中的节点(即节点1)接收到的交易请求来源于节点0。节点0可以是本次域名注册交易的发起节点，也可以是该子链中的节点(即节点1)的邻近节点。也就是说，子链中的节点(如图2中示出的节点1)可以进一步被配置为：获取发起节点或所述子链中的节点对应的邻近节点发送的待注册域名。According to the content shown in FIG. 2, it can be seen that the transaction request received by the node in the sub-chain (ie, node 1) originates from node 0. Node 0 can be the initiating node of this domain name registration transaction, or it can be a neighboring node of the node in the sub-chain (ie, node 1). That is, a node in the sub-chain (node 1 as shown in FIG. 2) may be further configured to obtain the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
根据实际应用环境的不同，发起节点与子链中的节点之间的交易形式也不同。子链中的节点获取发起节点发送的待注册域名的情形可能有以下两种。According to the actual application environment, the transaction form between the initiating node and the node in the sub-chain is also different. There may be two situations in which nodes in the sub-chain obtain the domain name to be registered sent by the initiating node.
一种情形是，如果发起节点可以直接与子链中的节点进行交易或信息交互，则可以直接通过发起节点向子链中的节点发送待注册域名。这种方式最适合于发起节点与子链中的节点处于同一个区块链网络内的交易，即发起节点也是该域名注册系统内的 节点。In one situation, if the initiating node can directly conduct transactions or information interaction with nodes in the sub-chain, it can directly send the domain name to be registered to the nodes in the sub-chain through the initiating node. This method is most suitable for transactions in which the initiating node and the nodes in the sub-chain are in the same blockchain network, that is, the initiating node is also a node in the domain name registration system.
另一种情形是，如果发起节点不能直接与子链中的节点进行交易或信息交互，则可以通过发起节点广播待注册域名。具体可以为先向邻近节点广播该待注册域名，邻近节点再结合自身的角色，确定是接收该待注册域名还是继续广播，直到子链中的节点接收到该待注册域名。Another situation is that if the initiating node cannot directly conduct transactions or information interaction with nodes in the sub-chain, the initiating node can broadcast the domain name to be registered. Specifically, it may first broadcast the domain name to be registered to the neighboring node, and the neighboring node will determine whether to receive the domain name to be registered or continue broadcasting in combination with its own role until the node in the sub-chain receives the domain name to be registered.
子链中的节点接收子链中的节点的邻近节点发送的待注册域名对应的情形可以是，交易发起节点未知核心节点的位置信息，通过广播的形式在区块链中发送待注册域名，如此，随着信息的扩散，核心节点可以通过其邻近节点接受到待注册域名。The situation where the node in the sub-chain receives the domain name to be registered sent by the neighboring nodes of the node in the sub-chain may be that the transaction initiating node does not know the location information of the core node and sends the domain name to be registered in the blockchain in the form of broadcast. With the spread of information, the core node can receive the domain name to be registered through its neighboring nodes.
需要说明的是，上述两种情形仅为示例性说明，在其他可能的示例中，如果发起节点是子链中的节点的邻近节点，那么，子链中的节点也可以看作是直接接收到发起节点发送的待注册域名。It should be noted that the above two situations are only exemplary descriptions. In other possible examples, if the initiating node is a neighboring node of a node in the sub-chain, then the node in the sub-chain can also be regarded as directly receiving The domain name to be registered sent by the initiating node.
考虑到本申请中待注册域名可以是不同级别的域名，相应地，能够管理待注册域名的目标域名智能合约也就不同。下面通过示例详细描述不同级别的待注册域名的域名注册流程。Considering that the domain name to be registered in this application can be domain names of different levels, correspondingly, the target domain name smart contract that can manage the domain name to be registered is also different. The following uses examples to describe in detail the domain name registration process of different levels of domain names to be registered.
示例一：Example 1:
如图3所示，为本申请实施例提供的一种顶级域名的域名注册流程的示意图。子链中的节点(如图3示出的节点1)可以进一步被配置为：获取待注册域名，如果待注册域名是待注册顶级域名，确定管理所述待注册顶级域名的目标域名智能合约是根域名智能合约；决定是否接受所述待注册顶级域名的注册请求，如果接受所述待注册顶级域名的注册请求，则根据所述根域名智能合约生成所述待注册顶级域名对应的顶级域名智能合约。As shown in FIG. 3, it is a schematic diagram of a domain name registration process of a top-level domain name provided by this embodiment of the application. The node in the sub-chain (node 1 shown in Figure 3) can be further configured to: obtain the domain name to be registered, if the domain name to be registered is the top-level domain name to be registered, determine the target domain name smart contract for managing the top-level domain name to be registered is Root domain name smart contract; decide whether to accept the registration request of the to-be-registered top-level domain name, if the registration request of the to-be-registered top-level domain name is accepted, then generate the top-level domain name intelligence corresponding to the to-be-registered top-level domain name according to the root domain name smart contract contract.
根据域名智能合约与域名之间的管理和被管理的关系，如果待注册域名是待注册顶级域名，那么显而易见，管理该待注册顶级域名的目标域名智能合约就是根域名智能合约；而，本申请实施例提供的域名注册系统中，公链中的节点均配置有根域名智能合约，子链中的节点是由公链中的部分节点组成的，也就是说，子链中的节点也均配置有根域名智能合约；因此，子链中的节点所需确定的目标节点其实就是自身，进而，子链中的节点可以决定是否接受该待注册顶级域名的注册请求。According to the management and managed relationship between the domain name smart contract and the domain name, if the domain name to be registered is a top-level domain name to be registered, then it is obvious that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart contract; however, this application In the domain name registration system provided by the embodiment, the nodes in the public chain are all configured with a root domain name smart contract, and the nodes in the sub-chain are composed of some nodes in the public chain, that is, the nodes in the sub-chain are also configured There is a smart contract for the root domain name; therefore, the target node that the node in the sub-chain needs to determine is actually itself, and then the node in the sub-chain can decide whether to accept the registration request of the to-be-registered top-level domain name.
示例二：Example two:
如图4所示，为本申请实施例提供的一种二级域名的域名注册流程的示意图。子链中的节点(如图4示出的节点1)可以进一步被配置为：获取待注册域名，如果待注册域名是待注册二级域名，确定管理待注册二级域名的目标域名智能合约是顶级域名智能合约，以及确定子链中拥有顶级域名智能合约所有权的目标节点(如图4示出的节点2)；向目标节点发送域名注册请求。其中，域名注册请求可以包括所述待注册二级域名。As shown in FIG. 4, a schematic diagram of a domain name registration process of a second-level domain name provided by an embodiment of this application. The node in the sub-chain (node 1 as shown in Figure 4) can be further configured to: obtain the domain name to be registered, if the domain name to be registered is the second-level domain name to be registered, determine the target domain name smart contract for managing the second-level domain name to be registered is Top-level domain name smart contract, and determine the target node (node 2 shown in Figure 4) that has the ownership of the top-level domain name smart contract in the sub-chain; send a domain name registration request to the target node. Wherein, the domain name registration request may include the second-level domain name to be registered.
相应地，目标节点可以进一步被配置为：如果接受域名注册请求，则根据顶级域名智能合约生成待注册二级域名对应的应用域名智能合约。Correspondingly, the target node may be further configured to: if accepting the domain name registration request, generate the application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
示例三：Example three:
如图5所示，为本申请实施例提供的一种三级域名的域名注册流程的示意图。子链中的节点(如图5示出的节点1)可以进一步被配置为：获取待注册域名，如果待 注册域名是待注册三级域名，确定管理待注册三级域名的目标域名智能合约是应用域名智能合约，以及确定子链中拥有应用域名智能合约所有权的目标节点(如图5示出的节点2)；向目标节点发送域名注册请求。其中，域名注册请求可以包括所述待注册三级域名。As shown in FIG. 5, a schematic diagram of a domain name registration process of a third-level domain name provided by this embodiment of the application. The node in the sub-chain (node 1 as shown in Figure 5) can be further configured to: obtain the domain name to be registered, if the domain name to be registered is the third-level domain name to be registered, determine the target domain name smart contract that manages the third-level domain name to be registered is Apply the domain name smart contract, and determine the target node (node 2 shown in Figure 5) that has the ownership of the application domain name smart contract in the sub-chain; send a domain name registration request to the target node. Wherein, the domain name registration request may include the third-level domain name to be registered.
相应地，目标节点可以进一步被配置为：如果接受域名注册请求，则根据应用域名智能合约生成待注册三级域名对应的BNS数据。Correspondingly, the target node may be further configured to: if accepting the domain name registration request, generate BNS data corresponding to the third-level domain name to be registered according to the application domain name smart contract.
需要说明的是，如果待注册域名是四级或四级以上的域名，同样可以采用图5示出的方法实现域名注册，此处不再详细描述。It should be noted that if the domain name to be registered is a four-level or above domain name, the method shown in FIG. 5 can also be used to implement domain name registration, which will not be described in detail here.
基于同样的发明构思，本申请实施例还提供一种基于区块链的去中心化域名注册方法。如图6所示，为本申请实施例提供的一种基于区块链的去中心化域名注册方法所对应的流程示意图。该方法可以应用于上文所描述的去中心化域名注册系统，该系统可以包括由多个节点组成的公链，以及由公链中部分节点组成的子链；其中，公链中的节点配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取子域名智能合约的所有权；该方法具体可以包括如下步骤：Based on the same inventive concept, the embodiments of this application also provide a blockchain-based decentralized domain name registration method. As shown in FIG. 6, a schematic diagram of a process corresponding to a blockchain-based decentralized domain name registration method provided by an embodiment of this application. This method can be applied to the decentralized domain name registration system described above. The system can include a public chain composed of multiple nodes and a sub-chain composed of some nodes in the public chain; wherein the node configuration in the public chain There is a root domain name smart contract; the nodes in the sub-chain are configured to generate a subdomain name smart contract by executing the root domain name smart contract, and obtain the ownership of the subdomain name smart contract in a competitive manner; this method may specifically include the following steps:
步骤101，子链中的节点获取待注册域名。Step 101: A node in the sub-chain obtains a domain name to be registered.
步骤102，子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点。Step 102: The nodes in the sub-chain determine the target domain name smart contract that manages the domain name to be registered, and determine the target node in the sub-chain that owns the ownership of the target domain name smart contract.
步骤103，子链中的节点向所述目标节点发送域名注册请求。Step 103: The node in the sub-chain sends a domain name registration request to the target node.
其中，所述域名注册请求包括所述待注册域名。Wherein, the domain name registration request includes the domain name to be registered.
步骤104，目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约。Step 104: The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered.
采用上述方法，通过子链的形式，将DNS系统部署在区块链网络中，可以实现完整的去中心化部署。与现有的DNS系统相比，本申请提供的域名注册方法不再由ICANN控制，避免了在DNS系统中进行域名注册存在可能被ICANN限制和屏蔽的风险，从而可以提高参与和提供网络服务的各方的网络安全。Using the above method, deploying the DNS system in the blockchain network in the form of a sub-chain can realize a complete decentralized deployment. Compared with the existing DNS system, the domain name registration method provided in this application is no longer controlled by ICANN, which avoids the risk that domain name registration in the DNS system may be restricted and blocked by ICANN, thereby improving participation and provision of network services. Cyber security for all parties.
可选地，所述子域名智能合约包括顶级域名智能合约和应用域名智能合约。Optionally, the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
可选地，所述根域名智能合约用于管理顶级域名，所述顶级域名智能合约用于管理应用域名。Optionally, the root domain name smart contract is used to manage top-level domain names, and the top-level domain name smart contract is used to manage application domain names.
可选地，所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点，包括：Optionally, the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
如果所述待注册域名是待注册顶级域名，所述子链中的节点确定管理所述待注册顶级域名的目标域名智能合约是根域名智能合约；If the domain name to be registered is a top-level domain name to be registered, the node in the sub-chain determines that the target domain name smart contract that manages the top-level domain name to be registered is the root domain name smart contract;
所述方法还包括：The method also includes:
所述子链中的节点决定是否接受所述待注册顶级域名的注册请求，如果接受所述待注册的顶级域名注册请求，则根据所述根域名智能合约生成所述待注册顶级域名对应的顶级域名智能合约。The node in the sub-chain decides whether to accept the registration request of the to-be-registered top-level domain name, and if it accepts the registration request of the to-be-registered top-level domain name, it generates the top-level domain name corresponding to the to-be-registered top-level domain name according to the root domain name smart contract. Domain name smart contract.
可选地，所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点，包括：Optionally, the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
如果所述待注册域名是待注册二级域名，所述子链中的节点确定管理所述待注册二级域名的目标域名智能合约是顶级域名智能合约，以及确定子链中拥有所述顶级域名智能合约所有权的目标节点；If the domain name to be registered is a second-level domain name to be registered, the node in the sub-chain determines that the target domain name smart contract for managing the second-level domain name to be registered is a top-level domain name smart contract, and determines that the sub-chain owns the top-level domain name The target node of smart contract ownership;
所述目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约，包括：The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, generating a smart contract corresponding to the domain name to be registered includes:
如果接受所述域名注册请求，所述目标节点根据所述顶级域名智能合约生成所述待注册二级域名对应的应用域名智能合约。If the domain name registration request is accepted, the target node generates an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
可选地，所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点，包括：Optionally, the node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that owns the ownership of the target domain name smart contract, including:
如果所述待注册域名是待注册三级域名，所述子链中的节点确定管理所述待注册三级域名的目标域名智能合约是应用域名智能合约，以及确定子链中拥有所述应用域名智能合约所有权的目标节点；If the domain name to be registered is a third-level domain name to be registered, the node in the sub-chain determines that the target domain name smart contract that manages the third-level domain name to be registered is an application domain name smart contract, and determines that the sub-chain owns the application domain name The target node of smart contract ownership;
所述目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约，包括The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered, including
如果接受所述域名注册请求，所述目标节点根据所述应用域名智能合约生成所述待注册域名对应的BNS数据。If the domain name registration request is accepted, the target node generates BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
可选地，所述方法还包括：Optionally, the method further includes:
如果拒绝所述域名注册请求，所述待注册域名注册失败。If the domain name registration request is rejected, the registration of the domain name to be registered fails.
可选地，所述子链中的节点获取待注册域名，包括：Optionally, obtaining the domain name to be registered by the node in the sub-chain includes:
所述子链中的节点获取发起节点或所述子链中的节点对应的邻近节点发送的待注册域名。The node in the sub-chain obtains the domain name to be registered sent by the initiating node or the neighboring node corresponding to the node in the sub-chain.
在示例性实施例中，还提供了一种计算机可读存储介质，所述存储介质中存储有计算机程序或智能合约，所述计算机程序或智能合约被节点加载并执行以实现上述实施例提供的事务处理方法。可选地，上述计算机可读存储介质可以是只读存储记忆体(Read-Only Memory，ROM)、随机存储记忆体(Random Access Memory，RAM)、CD-ROM、磁带、软盘和光数据存储设备等。In an exemplary embodiment, a computer-readable storage medium is also provided, and a computer program or smart contract is stored in the storage medium, and the computer program or smart contract is loaded and executed by a node to implement the above-mentioned embodiments. Transaction processing method. Optionally, the aforementioned computer-readable storage medium may be Read-Only Memory (ROM), Random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. .
本领域的技术人员可以清楚地了解到本申请实施例中的技术可借助软件加必需的通用硬件平台的方式来实现。基于这样的理解，本申请实施例中的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例或者实施例的某些部分所述的方法。Those skilled in the art can clearly understand that the technology in the embodiments of the present application can be implemented by means of software plus a necessary general hardware platform. Based on this understanding, the technical solutions in the embodiments of the present application can be embodied in the form of software products, which can be stored in a storage medium, such as ROM/RAM. , Magnetic disks, optical disks, etc., including a number of instructions to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments of the present application.
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。Those skilled in the art will easily think of other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptive changes of the present disclosure. These variations, uses, or adaptive changes follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field that are not disclosed in the present disclosure. . The description and the embodiments are to be regarded as exemplary only, and the true scope and spirit of the present disclosure are pointed out by the following claims. It should be understood that the present disclosure is not limited to the precise structure that has been described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

  1. 一种基于区块链的去中心化域名注册系统，其特征在于，所述系统包括由多个节点组成的公链，以及由所述公链中部分节点组成的子链；其中，公链中的节点配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取所述子域名智能合约的所有权；A blockchain-based decentralized domain name registration system, characterized in that the system includes a public chain composed of multiple nodes, and a sub-chain composed of some nodes in the public chain; wherein, the public chain The nodes of are configured with a root domain name smart contract; the nodes in the sub-chain are configured to: generate a subdomain name smart contract by executing the root domain name smart contract, and obtain the ownership of the subdomain name smart contract by means of competition;
    所述子链中的节点进一步被配置为：获取待注册域名，确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点；向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册域名；The nodes in the sub-chain are further configured to: obtain the domain name to be registered, determine the target domain name smart contract that manages the domain name to be registered, and determine the target node in the sub-chain that owns the ownership of the target domain name smart contract; The target node sends a domain name registration request, where the domain name registration request includes the domain name to be registered;
    所述目标节点被配置为：决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约。The target node is configured to determine whether to accept the domain name registration request, and if the domain name registration request is accepted, generate a smart contract corresponding to the domain name to be registered.
  2. 根据权利要求1所述的系统，其特征在于，所述子域名智能合约包括顶级域名智能合约和应用域名智能合约。The system according to claim 1, wherein the subdomain name smart contract includes a top-level domain name smart contract and an application domain name smart contract.
  3. 根据权利要求2所述的系统，其特征在于，所述子链中的节点被进一步地配置为：通过执行所述根域名智能合约生成顶级域名智能合约，和/或，通过执行所述顶级域名智能合约生成应用域名智能合约。The system according to claim 2, wherein the nodes in the sub-chain are further configured to generate a top-level domain name smart contract by executing the root domain name smart contract, and/or, by executing the top-level domain name Smart contracts generate smart contracts for application domain names.
  4. 根据权利要求3所述的系统，其特征在于，所述根域名智能合约用于管理顶级域名，所述顶级域名智能合约用于管理应用域名。The system according to claim 3, wherein the root domain name smart contract is used to manage top-level domain names, and the top-level domain name smart contract is used to manage application domain names.
  5. 根据权利要求4所述的系统，其特征在于，所述子链中的节点进一步被配置为：获取待注册域名，如果所述待注册域名是待注册顶级域名，确定管理所述待注册顶级域名的目标域名智能合约是根域名智能合约；决定是否接受所述待注册顶级域名的注册请求，如果接受所述待注册的顶级域名注册请求，则根据所述根域名智能合约生成所述待注册顶级域名对应的顶级域名智能合约。The system according to claim 4, wherein the node in the sub-chain is further configured to: obtain a domain name to be registered, and if the domain name to be registered is a top-level domain name to be registered, determine to manage the top-level domain name to be registered The target domain name smart contract is the root domain name smart contract; it is determined whether to accept the registration request of the to-be-registered top-level domain name, and if the registration request of the to-be-registered top-level domain name is accepted, the root domain name smart contract generates the to-be-registered top-level domain name The smart contract of the top-level domain name corresponding to the domain name.
  6. 根据权利要求4所述的系统，其特征在于，所述子链中的节点进一步被配置为：获取待注册域名，如果所述待注册域名是待注册二级域名，确定管理所述待注册二级域名的目标域名智能合约是顶级域名智能合约，以及确定子链中拥有所述顶级域名智能合约所有权的目标节点；向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册二级域名；The system according to claim 4, wherein the node in the sub-chain is further configured to: obtain a domain name to be registered, and if the domain name to be registered is a second-level domain name to be registered, determine to manage the second-level domain name to be registered. The target domain name smart contract of the first-level domain name is a top-level domain name smart contract, and a target node in the sub-chain that has the ownership of the top-level domain name smart contract is determined; a domain name registration request is sent to the target node, and the domain name registration request includes the pending registration secondary domain;
    所述目标节点进一步被配置为：如果接受所述域名注册请求，则根据所述顶级域名智能合约生成所述待注册二级域名对应的应用域名智能合约。The target node is further configured to: if the domain name registration request is accepted, generate an application domain name smart contract corresponding to the second-level domain name to be registered according to the top-level domain name smart contract.
  7. 根据权利要求4所述的系统，其特征在于，所述子链中的节点进一步被配置为：获取待注册域名，如果所述待注册域名是待注册三级域名，确定管理所述待注册三级域名的目标域名智能合约是应用域名智能合约，以及确定子链中拥有所述应用域名智能合约所有权的目标节点；向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册三级域名；The system according to claim 4, wherein the node in the sub-chain is further configured to: obtain a domain name to be registered, and if the domain name to be registered is a third-level domain name to be registered, determine to manage the third-level domain name to be registered. The target domain name smart contract of the first-level domain name is the application domain name smart contract, and the target node in the sub-chain that has the ownership of the application domain name smart contract is determined; a domain name registration request is sent to the target node, and the domain name registration request includes the pending registration Third-level domain name;
    所述目标节点进一步被配置为：如果接受所述域名注册请求，则根据所述应用域名智能合约生成所述待注册域名对应的域名系统BNS数据。The target node is further configured to: if accepting the domain name registration request, generate domain name system BNS data corresponding to the domain name to be registered according to the application domain name smart contract.
  8. 根据权利要求1所述的系统，其特征在于，所述目标节点进一步被配置为：如果拒绝所述域名注册请求，则所述待注册域名注册失败。The system according to claim 1, wherein the target node is further configured to: if the domain name registration request is rejected, the registration of the domain name to be registered fails.
  9. 根据权利要求1至8中任一项所述的系统，其特征在于，所述子链中的节点进一步被配置为：获取发起节点或所述子链中的节点对应的邻近节点发送的待注册域名。The system according to any one of claims 1 to 8, wherein the node in the sub-chain is further configured to: obtain the to-be-registered node sent by the initiating node or the neighboring node corresponding to the node in the sub-chain domain name.
  10. 一种基于区块链的去中心化域名注册方法，其特征在于，所述方法应用于上述权利要求1至9中任一项所述的系统，所述系统包括由多个节点组成的公链，以及由所述公链中部分节点组成的子链；其中，公链中的节点配置有根域名智能合约；子链中的节点被配置为：通过执行所述根域名智能合约生成子域名智能合约，以及采用竞争的方式获取所述子域名智能合约的所有权；所述方法包括：A blockchain-based decentralized domain name registration method, characterized in that the method is applied to the system according to any one of claims 1 to 9, and the system includes a public chain composed of multiple nodes , And a sub-chain composed of some nodes in the public chain; wherein the nodes in the public chain are configured with a root domain name smart contract; the nodes in the sub-chain are configured to generate sub-domain smart contracts by executing the root domain name smart contract Contract, and obtaining the ownership of the subdomain name smart contract by means of competition; the method includes:
    所述子链中的节点获取待注册域名；The node in the sub-chain obtains the domain name to be registered;
    所述子链中的节点确定管理所述待注册域名的目标域名智能合约，以及确定子链中拥有所述目标域名智能合约所有权的目标节点；The node in the sub-chain determines the target domain name smart contract that manages the domain name to be registered, and determines the target node in the sub-chain that has the ownership of the target domain name smart contract;
    所述子链中的节点向所述目标节点发送域名注册请求，所述域名注册请求包括所述待注册域名；The node in the sub-chain sends a domain name registration request to the target node, where the domain name registration request includes the domain name to be registered;
    所述目标节点决定是否接受所述域名注册请求，如果接受所述域名注册请求，则生成所述待注册域名对应的智能合约。The target node decides whether to accept the domain name registration request, and if it accepts the domain name registration request, it generates a smart contract corresponding to the domain name to be registered.
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