CN112669037A - Block chain construction method based on copyright transaction, copyright transaction system and method - Google Patents
Block chain construction method based on copyright transaction, copyright transaction system and method Download PDFInfo
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Abstract
The invention discloses a block chain construction method based on copyright transaction, a copyright transaction system and a method, wherein the construction method comprises the following steps: the method comprises the steps of designing a Fabric network layer, coordinating a terminal consensus mechanism, generating a CA certificate, configuring a transaction filtering mechanism and designing a Fabric-SDK, wherein the designing of the Fabric network layer comprises designing a Fabric node and constructing a Fabric network, and a user can obtain a legal identity from the CA node and send copyright transaction information to the network for request processing; meanwhile, a transaction filtering strategy is introduced into the blockchain system to realize transaction security, the intelligent contract cannot be modified once being deployed, and a transaction filtering mechanism is configured to freeze invalid or malicious transactions for solving; the copyright trading system based on the block chain technology is strong in supervision, the copyright trading process is simplified, time and cost are saved, the copyright dispute problem is solved, and rights and interests between a copyright person and an audience are balanced.
Description
Technical Field
The present application relates to the field of copyright transactions, and in particular, to a block chain construction method, a copyright transaction system, and a copyright transaction method based on copyright transactions.
Background
At present, due to the lack of effective information technology support, the traditional digital media works still face a plurality of problems in the aspect of copyright trading. Firstly, because the digital media works are easy to copy and spread, the copyright of the works is very easy to be infringed; secondly, digital media assets such as micro video, audio and the like obtain copyright protection through a Chinese copyright protection center and need to pay high registration fee, and the authentication process is complex and tedious and has high cost; thirdly, because the digital media platform has a highly centralized characteristic, the digital media platform has final interpretation right on data, which causes a certain benefit imbalance problem among the digital media author, the platform and the user.
Disclosure of Invention
In order to solve the technical problems, the invention provides a digital media work copyright trading system based on a block chain technology, a copyright trading method of the system, a block chain-based copyright trading system, and a block chain-based copyright trading system and a block chain-based copyright trading method, which can enable multiple parties to participate in copyright protection together, enable copyright trading to avoid supervision of a third party organization, simplify the flow of copyright trading, save trading time and cost, effectively solve copyright disputes, balance rights and interests among a copyright owner and an audience, and realize the balance of interests among the copyright owner, a platform and a user.
The specific technical scheme is as follows:
the invention provides a block chain construction method based on copyright transaction, which comprises the following steps:
designing a Fabric network layer, including designing a Fabric node and constructing a Fabric network, so that a user generates a legal identity certificate and the like from a CA node or through a tool to obtain a legal identity, and then sends copyright transaction information to the network for requesting processing;
cooperation of a terminal consensus mechanism, namely consensus can be completed by adopting two rounds of voting, wherein a verification node participates in consensus voting, and a non-verification node assists in transferring a state or sends a copyright transaction request to the verification node;
generating a CA certificate, namely respectively generating a root certificate, a mechanism certificate and a node certificate of a system according to the nodes of the blockchain network, so that the nodes of the blockchain network realize encrypted communication by constructing an encrypted link by using a digital certificate, and the security of data transmission is protected;
the configuration of a transaction filtering mechanism, namely introducing a transaction filtering strategy in a blockchain system to realize transaction security, so that an intelligent contract cannot be modified once being deployed, if the contract has a bug, the system needs to stop related transactions of the contract in time, and the transaction filtering mechanism is configured to freeze invalid or malicious transactions for solving;
the design of the Fabric-SDK adopts a Fabric-Gateway-Java interface provided by Hyperhedger officials as a Fabric network interface to build a bridge between a block chain layer and an application layer.
Further, the generating a root certificate, generating an authority certificate, and generating a node certificate of the system according to the blockchain network node respectively includes:
generating a root certificate of the system: the root certificate is the first certificate generated by the blockchain system, and the private key is kept by an administrator;
and (3) generating an organization certificate: the certificate of the organization certificate needs a root certificate and a private key of a system, and the organization certificate is held by an organization administrator;
generating a node certificate: the method is used for establishing SSL connection between the nodes to prove data communication security.
The invention also provides a copyright trading system constructed by the block chain construction method based on copyright trading, which is a copyright trading system constructed based on a block chain architecture and comprises a block chain network and a client node, wherein the block chain network comprises a common node, a CA node and a sequencing service node, and the common node comprises a main node, an endorsement node and a bookkeeping node; wherein,
the client node is used for applying for registration to the CA node, submitting the identity card book returned by the CA node to the endorsement node through the Fabric-SDK, and requesting to simulate and execute a copyright transaction proposal and sign an endorsement;
the main node is used for requesting to acquire all block data from the sequencing service node and distributing the block data to other nodes in the system through a Gossip message protocol;
the CA node is used for examining the registration information sent by the client node, generating an identity certificate and returning the identity certificate to the client node;
the endorsement node is used for checking the format validity and the signature validity of the signature proposal message, starting a simulation execution copyright transaction proposal program after the checking is passed, signing and endorseing a simulation result, constructing a proposal response message based on the simulation result, and replying the proposal response message to the request client;
the sequencing service node is used for sequencing the copyright transaction information received in the same time period and constructing a new block according to the block-out rule of the packaging transaction;
the accounting node is used for storing the verification block data of each node.
Further, the system is a copyright trading system which uses a Hyperleader platform to build a block chain architecture.
Furthermore, missing data is actively pulled among all nodes of the system through mechanisms such as an inverse entropy algorithm and the like, and the consistency of the book data of all nodes in the block chain system is ensured.
The invention also provides a copyright trading method of the copyright trading system, which comprises the following steps:
(1) the client node applies for registration from the CA node, and performs block chain related operation after receiving the identity card generated by examining and returning according to the registration information of the client node by the CA node;
(2) the client node constructs a signature proposal message, submits the signature proposal message to an endorsement node through a Fabric-SDK, and requests to simulate and execute a copyright transaction proposal and sign an endorsement;
(3) the endorsement node checks the format validity and the signature validity of the signature proposal message submitted by the client node, if the check is passed, a simulation execution copyright transaction proposal program is started, and the signature endorsement is carried out on the simulation result;
(4) the endorsement node constructs a proposal response message based on the simulation result and replies the proposal response message to the requesting client node;
(5) the client node receives the proposal response message, checks the validity of the proposal response message and analyzes the proposal response message to obtain an endorsement result so as to judge whether enough endorsement signature information meeting the requirement is collected or not;
(6) after sufficient endorsement signature information meeting the requirements is collected, the client node constructs signed copyright transaction information based on the simulation result and submits the signed copyright transaction information to a sequencing service node to request for sequencing copyright transactions;
(7) the ordering service node orders the copyright transaction information received in the same time period, and constructs a new block according to the block-out rule of the packaging transaction;
(8) the main node requests to acquire all block data from the sequencing service node and distributes the block data to other nodes in the system through a Gossip message protocol;
(9) and each node verifies the block data, and submits the block data to a local account book after the block data passes the check.
Further, when the master node distributes all the acquired block data to other nodes in the system through a Gossip message protocol, missing data is actively pulled among the nodes through mechanisms such as an inverse entropy algorithm and the like, and the consistency of the account book data of all the nodes in the block chain system is ensured.
The invention mainly has the following beneficial effects:
the invention constructs the copyright trading system of digital media works based on the block chain technology and the copyright trading method of the system by adopting the technical proposal, creates a digital copyright registration mechanism based on the distributed storage technology, strengthens the supervision of digital copyright based on the intelligent contract technology, is maintained by multiple parties together, optimizes a digital copyright distribution chain based on the technologies such as Hash algorithm, encryption algorithm and the like, can enable a plurality of parties to participate in copyright protection together, so that copyright transaction does not need the supervision of a third party mechanism any more, simplify the flow of copyright transaction, greatly save transaction time and cost, meanwhile, the data transmission and access safety is guaranteed by using cryptography, the data consistency is guaranteed, the data is difficult to tamper, the repudiation is prevented, the problem of copyright dispute is effectively solved, the rights and interests between a copyright owner and an audience can be balanced, and the benefit balance among the copyright owner, a platform and a user is realized.
Drawings
Fig. 1 is a flowchart of a block chain construction method based on copyright transaction according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a copyright transaction system constructed by a block chain construction method based on copyright transaction according to an embodiment of the present invention;
fig. 3 is a flowchart of a copyright transaction method of a copyright transaction system according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention are described in detail with reference to the drawings and the specific embodiments, and it should be understood that the embodiments and the specific technical features in the embodiments of the present invention are merely illustrative of the technical solutions of the present invention, and are not restrictive, and the embodiments and the specific technical features in the embodiments of the present invention may be combined with each other without conflict.
As shown in fig. 1, a method for constructing a blockchain based on copyright transaction according to the present invention includes the following steps:
s101, designing a Fabric network layer, including designing a Fabric node and constructing a Fabric network, so that a user generates a legal identity certificate and the like from a CA node or through a tool to obtain a legal identity, and then sends copyright transaction information to the network for requesting processing; the Fabric node comprises a CA node, a Client node, a Peer node and an Orderer node and is responsible for providing services such as user registration, certificate issuance, endorsement, transaction sequencing and the like; the Fabric network is designed and built based on the nodes, so that a user (Client node) generates a legal identity certificate and the like from a CA node or through a tool to obtain a legal identity, and then sends a transaction to the network for requesting processing.
And S102, the cooperation of the terminal consensus mechanism, namely consensus can be completed by adopting two rounds of voting, wherein the verification node participates in consensus voting, and the non-verification node assists in transmitting the state or sends a copyright transaction request to the verification node.
Step S103. generation of a CA certificate, namely respectively generating a root certificate, a generation organization certificate and a generation node certificate of a system according to the nodes of the blockchain network, so that the nodes of the blockchain network realize encrypted communication by constructing an encrypted link by using a digital certificate, and the security of data transmission is protected; the generating a root certificate, generating an organization certificate, and generating a node certificate of the system according to the blockchain network node respectively includes: generating a root certificate of the system: the root certificate is the first certificate generated by the blockchain system, and the private key is kept by an administrator; and (3) generating an organization certificate: the certificate of the organization certificate needs a root certificate and a private key of a system, and the organization certificate is held by an organization administrator; generating a node certificate: the method is used for establishing SSL connection between the nodes to prove data communication security.
Step S104, configuring a transaction filtering mechanism, namely introducing a transaction filtering strategy into a blockchain system to realize transaction security, so that an intelligent contract cannot be modified once deployed, if the contract has a bug, the system needs to stop related transactions of the contract in time, and the transaction filtering mechanism is configured to freeze invalid or malicious transactions for solving.
And S105, designing the Fabric-SDK, namely adopting a Fabric-Gateway-Java interface provided by a Hyperridge official as a Fabric network interface, and building a bridge between the block chain layer and the application layer.
As shown in fig. 2, the copyright transaction system constructed by the block chain construction method based on copyright transaction according to the present invention is a copyright transaction system constructed based on a block chain architecture, and is particularly preferably a copyright transaction system constructed by using a Hyperridge platform to construct a block chain architecture; the copyright trading system comprises a blockchain network and a client node, wherein the blockchain network comprises common nodes, CA nodes and sequencing service nodes, and the common nodes comprise a main node, an endorsement node and an accounting node. Wherein,
the client node is used for applying for registration to the CA node, submitting the identity card book returned by the CA node to the endorsement node through the Fabric-SDK, and requesting to simulate and execute a copyright transaction proposal and sign an endorsement; the main node is used for requesting to acquire all block data from the sequencing service node and distributing the block data to other nodes in the system through a Gossip message protocol; the CA node is used for examining the registration information sent by the client node, generating an identity certificate and returning the identity certificate to the client node; the endorsement node is used for checking the format validity and the signature validity of the signature proposal message, starting a simulation execution copyright transaction proposal program after the checking is passed, signing and endorseing a simulation result, constructing a proposal response message based on the simulation result, and replying the proposal response message to the request client; the sequencing service node is used for sequencing the copyright transaction information received in the same time period and constructing a new block according to the block-out rule of the packaging transaction; the accounting node is used for storing the verification block data of each node.
In addition, missing data is actively pulled among all nodes of the system through mechanisms such as an inverse entropy algorithm and the like, and the consistency of the account book data of all nodes in the block chain system is ensured.
As shown in fig. 3, the present invention further provides a copyright trading method of the copyright trading system, including the following steps:
and S201, the client node applies for registration from the CA node, and performs block chain related operations after receiving the identity card generated by the CA node for examination and return according to the client node registration information.
And S202, constructing a signature proposal message by the client node, submitting the signature proposal message to an endorsement node through the Fabric-SDK, and requesting to simulate and execute the copyright transaction proposal and sign the endorsement.
And S203, the endorsement node checks the format validity and the signature validity of the signature proposal message submitted by the client node, if the check is passed, the simulation execution copyright transaction proposal program is started, and the signature endorsement is carried out on the simulation result.
And S204, constructing a proposal response message by the endorsement node based on the simulation result and replying the proposal response message to the requesting client node.
And S205, the client node receives the proposal response message, checks the validity of the proposal response message and analyzes the proposal response message to obtain an endorsement result, thereby judging whether enough endorsement signature information meeting the requirement is collected.
And S206, after enough endorsement signature information meeting the requirements is collected, the client node constructs signed copyright transaction information based on the simulation result and submits the signed copyright transaction information to the ordering service node to request for ordering copyright transactions.
And S207, sequencing the copyright transaction information received in the same time period by the sequencing service node, and constructing a new block according to the block-out rule of the packaging transaction.
And S208, the main node requests to acquire all block data from the sequencing service node and distributes the block data to other nodes in the system through a Gossip message protocol.
And S209, verifying the block data by each node, and submitting the block data to a local account book after the block data passes the check.
In addition, while step S208 is executed, missing data may be actively pulled among the nodes through a mechanism such as an inverse entropy algorithm, so as to ensure that the ledger data of all nodes in the blockchain system are consistent.
Thus, the copyright trading system of the digital media works based on the blockchain technology can be constructed by the construction method, the copyright trading system and the copyright trading method are based on a digital copyright registration mechanism created by a distributed storage technology, the supervision of digital copyright is strengthened based on an intelligent contract technology, the digital copyright is commonly maintained by multiple parties, a digital copyright distribution chain is optimized based on technologies such as a Hash algorithm and an encryption algorithm, the multiple parties can participate in copyright protection together, the copyright trading does not need to be supervised by a third party mechanism any more, the flow of the copyright trading is simplified, the trading time and cost are greatly saved, meanwhile, the transmission and access safety of data is ensured by using cryptography, the consistency of the data is ensured, the data is difficult to be distorted, the repudiation is prevented, the problem of copyright dispute is effectively solved, the rights and interests between copyright holders and audiences can be balanced, and copyright holders can, The balance of benefits between the platform and the user.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the application, including the use of specific symbols, labels, or other designations to identify the vertices.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (7)
1. A block chain construction method based on copyright transaction is characterized by comprising the following steps:
designing a Fabric network layer, including designing a Fabric node and constructing a Fabric network, so that a user generates a legal identity certificate and the like from a CA node or through a tool to obtain a legal identity, and then sends copyright transaction information to the network for requesting processing;
cooperation of a terminal consensus mechanism, namely consensus can be completed by adopting two rounds of voting, wherein a verification node participates in consensus voting, and a non-verification node assists in transferring a state or sends a copyright transaction request to the verification node;
generating a CA certificate, namely respectively generating a root certificate, a mechanism certificate and a node certificate of a system according to the nodes of the blockchain network, so that the nodes of the blockchain network realize encrypted communication by constructing an encrypted link by using a digital certificate, and the security of data transmission is protected;
the configuration of a transaction filtering mechanism, namely introducing a transaction filtering strategy in a blockchain system to realize transaction security, so that an intelligent contract cannot be modified once being deployed, if the contract has a bug, the system needs to stop related transactions of the contract in time, and the transaction filtering mechanism is configured to freeze invalid or malicious transactions for solving;
the design of the Fabric-SDK adopts a Fabric-Gateway-Java interface provided by Hyperhedger officials as a Fabric network interface to build a bridge between a block chain layer and an application layer.
2. The method according to claim 1, wherein the generating a root certificate, generating a mechanism certificate, and generating a node certificate of a system according to the blockchain network node respectively comprises:
generating a root certificate of the system: the root certificate is the first certificate generated by the blockchain system, and the private key is kept by an administrator;
and (3) generating an organization certificate: the certificate of the organization certificate needs a root certificate and a private key of a system, and the organization certificate is held by an organization administrator;
generating a node certificate: the method is used for establishing SSL connection between the nodes to prove data communication security.
3. A copyright trading system constructed by the block chain construction method based on copyright trading according to claim 1 or 2 is characterized in that the system is a copyright trading system constructed based on a block chain architecture and comprises a block chain network and a client node, wherein the block chain network comprises a common node, a CA node and a sequencing service node, and the common node comprises a main node, an endorsement node and a bookkeeping node; wherein,
the client node is used for applying for registration to the CA node, submitting the identity card book returned by the CA node to the endorsement node through the Fabric-SDK, and requesting to simulate and execute a copyright transaction proposal and sign an endorsement;
the main node is used for requesting to acquire all block data from the sequencing service node and distributing the block data to other nodes in the system through a Gossip message protocol;
the CA node is used for examining the registration information sent by the client node, generating an identity certificate and returning the identity certificate to the client node;
the endorsement node is used for checking the format validity and the signature validity of the signature proposal message, starting a simulation execution copyright transaction proposal program after the checking is passed, signing and endorseing a simulation result, constructing a proposal response message based on the simulation result, and replying the proposal response message to the request client;
the sequencing service node is used for sequencing the copyright transaction information received in the same time period and constructing a new block according to the block-out rule of the packaging transaction;
the accounting node is used for storing the verification block data of each node.
4. The system of claim 3, wherein the system is a copyright trading system using Hyperridge platform for block chain architecture construction.
5. The system of claim 3, wherein missing data is actively pulled between nodes of the system by a mechanism such as inverse entropy algorithm to ensure that ledger data for all nodes in the blockchain system remains consistent.
6. A copyright transaction method of the copyright transaction system of claim 3, 4 or 5, comprising:
(1) the client node applies for registration from the CA node, and performs block chain related operation after receiving the identity card generated by examining and returning according to the registration information of the client node by the CA node;
(2) the client node constructs a signature proposal message, submits the signature proposal message to an endorsement node through a Fabric-SDK, and requests to simulate and execute a copyright transaction proposal and sign an endorsement;
(3) the endorsement node checks the format validity and the signature validity of the signature proposal message submitted by the client node, if the check is passed, a simulation execution copyright transaction proposal program is started, and the signature endorsement is carried out on the simulation result;
(4) the endorsement node constructs a proposal response message based on the simulation result and replies the proposal response message to the requesting client node;
(5) the client node receives the proposal response message, checks the validity of the proposal response message and analyzes the proposal response message to obtain an endorsement result so as to judge whether enough endorsement signature information meeting the requirement is collected or not;
(6) after sufficient endorsement signature information meeting the requirements is collected, the client node constructs signed copyright transaction information based on the simulation result and submits the signed copyright transaction information to a sequencing service node to request for sequencing copyright transactions;
(7) the ordering service node orders the copyright transaction information received in the same time period, and constructs a new block according to the block-out rule of the packaging transaction;
(8) the main node requests to acquire all block data from the sequencing service node and distributes the block data to other nodes in the system through a Gossip message protocol;
(9) and each node verifies the block data, and submits the block data to a local account book after the block data passes the check.
7. The method of claim 6, wherein while the master node distributes all the acquired block data to other nodes in the system through Gossip message protocol, missing data is actively pulled between nodes through a mechanism such as inverse entropy algorithm, so as to ensure that the ledger data of all the nodes in the blockchain system are consistent.
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Application publication date: 20210416 |