CN112184225B - Cloud rendering resource exchange method based on blockchain - Google Patents
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Abstract
The invention provides a cloud rendering resource exchange method based on a blockchain, which comprises the following steps: step 1: constructing an Ethernet block chain platform which is in butt joint with the cloud rendering service platform; step 2: performing work demonstration through a comprehensive interaction interface, and starting a uplink flow; step 3: providing a dynamically expanded blockchain network comprising an off-chain node, an aggregation node and a core node based on an intelligent contract, performing authority management by using a rendering application existing data security and authentication service system, and modifying a chain and a verification module by using a rendering system existing password; step 4: an improved method of three-dimensional merkel tree is provided, and an alphanumeric coded information retrieval method is added, so that the efficient insertion/deletion operation is facilitated; the method has the advantages that the efficiency is preferential, a structure of combining the upper chain with the lower chain is adopted, the sensitive data is stored on the chain, and the core calculation is completed under the chain; the method is convenient to apply, and various personnel can dynamically view related information on the rendering service platform in real time.
Description
Technical Field
The invention belongs to the technical field of information, relates to a resource exchange method, and in particular relates to a cloud rendering resource exchange method based on a blockchain.
Background
At present, most of rendering platforms still stay on the basis of providing rendering services for users, and rendering material resources designed by the users are not fully utilized to realize resource exchange, so that good rendering material resources are wasted. The rendering platform with large user flow becomes a resource market, so that a user can input a product designed by the user into the resource market of the rendering platform while rendering, more people pay attention to the design of the user, and the personalized requirement of the user is met. The rendering resource exchange method correctly senses the used condition of the corresponding resources through interaction with the rendering system, records the corresponding use condition in a trusted manner by adopting the blockchain, and simultaneously, adopts a method which is adaptive to dynamic changes of rendering applications, so that the corresponding blockchain has elasticity, and the binding of rendering users, the used resources and the values thereof is effectively realized.
With the increasing deepening of the Internet age, the informatization of enterprises, the regionalization of large-scale data centers and the construction of hybrid cloud services all face the problems about storage: (1) The database is inconvenient to deploy, and when a certain terminal in the system needs to deploy a new service, shutdown deployment and field operation by implementation personnel are often needed; (2) High availability of services cannot be guaranteed, and when a terminal needs to change a database (deploy, uninstall, upgrade a certain database), the terminal needs to be stopped for deployment, so that other services are not available. (3) The system is inconvenient to upgrade, and when the system needs to upgrade the terminal, an implementation personnel or team is required to implement the system on site. (4) The timeliness of operation and maintenance is poor, and the operation and maintenance are often not in time due to implementation cost after the problem is found. The static virtual resource allocation mechanism is obviously insufficient to cope with the frequently-changed user demands, and meanwhile, obvious hysteresis exists in the manual dynamic allocation of resources, so that the waste of computing resources is caused, and the overall performance of the cloud platform is influenced. A significant problem with the limitations of current blockchains is limited throughput, with too little transactions processed per second, and the blockchain must be scalable in order to run a device that can handle the actual throughput requirements. The dynamic deployment through the blockchain can be dynamically changed according to the change of the rendering system, so that the high availability of the service is realized.
Traditional contracts are subject to equivalence exchange by two or more parties through an agreement, and the two or more parties must trust each other to fulfill a transaction. Otherwise, once a party breaks the contract, the social supervision and judicial organization can be used. While smart contracts do not have to trust each other, because smart contracts are defined not only by code, but are also enforced by code, are fully automated and cannot be tampered with. Intelligent contracts allow the terms and conditions of these contracts to be fully accessible and visible to all interested parties. Once the agreement is reached, it is not controversial. Based on the trust of the code, the transactor can conduct transaction safely in an un-trusted environment.
The traditional database is time-consuming and labor-consuming in field searching, information searching is carried out by using a Meckel tree, the fields are placed in one block, each block in the bit coin block chain contains hash values of all transactions, and Meckel roots of all transactions are contained in the head of the block, so that quick and efficient searching is realized.
Disclosure of Invention
In order to achieve the above purpose, the invention provides a cloud rendering resource exchange method based on a blockchain, which comprises the steps of constructing an improved Ethernet blockchain platform, a dynamic network expansion method based on intelligent contracts, an improved method of a three-dimensional Meeker tree and a comprehensive interactive interface, and can dynamically perform blockchain deployment.
In order to achieve the technical effects, the invention adopts the following technical scheme:
step 1: constructing an Ethernet block chain platform which is in butt joint with the cloud rendering service platform;
step 2: performing work demonstration through a comprehensive interaction interface, and starting a uplink flow;
step 3: providing a dynamically expanded blockchain network comprising an off-chain node, an aggregation node and a core node based on an intelligent contract, performing authorization authentication system docking by using a rendering application existing data security and authentication service system, and feeding back a verification module and authorization information to the system;
step 4: an improved method of three-dimensional merkel tree is provided, which adds an alphanumeric coded information retrieval method, and is helpful for efficient insertion/deletion operations.
Step 1, an improved ethernet blockchain platform which is in butt joint with a cloud rendering service platform is constructed, and is a basic link of the method, and the platform adopts a four-layer architecture: application layer: including rendering applications and extension applications, three types of interfaces: a block chain access, data operation and rendering application system; service layer: including rendering task related services; data layer (under chain): the system comprises a product and enterprise database, a sample detection result database, a traceability database, an intelligent contract storage library and a control permission database, wherein the storage function is enhanced, the transaction is removed, and the encryption and authentication are simplified; blockchain layer (on-chain): the system comprises a blockchain network consisting of Ethernet servers, and is dynamically deployed according to rendering servers in a rendering system.
Step 2, providing a comprehensive interaction interface, performing work proof, starting a uplink flow, and specifically comprising the following steps:
step 2.1: acquiring a user authorization state through authentication information of a rendering system, and determining that an authorized user has a uplink basic condition;
step 2.2: corresponding resource service information is acquired through a rendering module resource service interface, and the used work certification of the resource is carried out according to the corresponding resource service information;
the used work of the resource proves to contain three parts of content: existence, usage amount and usage difficulty;
further, the existence is to verify whether the resource exists in the service processing service system in the traceability management system, and the successful resource is written into the work certificate; the usage amount obtains the rendering cost calculation usage amount from the charging management system and writes the usage amount into the work evidence; the use difficulty refers to the granularity of statistics of the rendering resources uploaded by the user, namely the difficulty coefficient of the rendering resources to be processed by the rendering programs such as ray tracing and the like. The value of the difficulty coefficient exceeds the average value and is stored, and the value of the difficulty coefficient is used as the input data of the hash table.
Step 2.3: for the proof of work that the authorized user applies the resource is greater than the threshold value, the uplink processing can be performed.
Further, the threshold value refers to the lowest value of the rendering resource value, which is not consistent with the lowest value, and is not uplink.
Step 3 provides a dynamically extended blockchain network based on intelligent contracts. In order to strengthen the ductility of a blockchain network and the efficiency of a blockchain system, a link structure is divided into a data layer, a blockchain layer and the blockchain network. The working steps are as follows:
step 3.1: an event with a requirement for a uplink creates an out-of-chain node, which is a blockchain light node, that completes only the validation event and the block formation and linking. To simplify the calculation, RIPEMD-128 is used as a hashing algorithm; as a new point, broadcast information is received through a fixed port, an aggregation node and an activated out-of-chain node are searched, the link condition of the nodes is recorded by an updated list, a father node of the newly-built out-of-chain node is determined by a shortest distance method, a user verification information processing is used as a verification result, a hash value of the node is generated through a RIPEMD-128 algorithm, and the hash value is used for unique identification.
Further, the upbound requirement is data required in a rendering application.
Further, the RIPEMD-128 hashing algorithm is used to further shorten the hash value output of SHA-256 to 128 bits.
Step 3.2: the core node is constructed based on an Ethernet block chain basic node construction method, and is different in that when broadcasting the transmission block information, aiming at the sink node, only response and inquiry information are transmitted;
step 3.3: the sink node is also constructed based on the Ethernet blockchain basic node construction method, except that the sink node is a standard blockchain basic node, the father node is a core node, and the sink node is simultaneously constructed when the father node is constructed, but does not participate in blockchain operation among the core nodes. It only completes three transactions: verifying the out-of-chain node; the block data from the out-of-chain node is used as the data of the node to be packaged according to a standard block chain structure and transmitted on a block chain through a father node; a reply link is made between the core node and the out-of-chain node.
Step 3.4: the response operation comprises two types of request and confirmation, and the completed transaction comprises the establishment of an out-of-chain node, the data transmission of the out-of-chain node and the exit of the out-of-chain node.
Step 3.5: the exit of the out-of-chain node is proposed by a rendering application user initiating the uplink, and the proposed condition is that the rendering task of the user is ended, the occupied rendering resources are released, if the node has no child node and is idle (if not idle, the current transaction is finished first), an exit request is proposed, and the application is confirmed by a core node to finish the exit; if there is a child node, the parent node is notified to the corresponding child node, and the child node is required to adjust the link as soon as possible, after the child node completes the corresponding adjustment information, an exit request is provided, and the application is confirmed by the core node to complete the exit.
The step 4 provides an improved method of three-dimensional merkel tree. In the blockchain, the merkel tree is beneficial to effectively and safely verifying the content in a dispersion system, and an effective information retrieval means is provided. Three modified merkel roots are defined per block: a state root, determined by rendering user information, that helps maintain global state; transaction root, which is determined by the information of the rendering application using the resource, tracks and ensures the integrity of a resource call; an effect root, which is a root hash of an effect corresponding to a transaction in a block, is used to reflect the effect of use of a resource. The improvement of the Meckel tree is to add a retrieval method of information coded by alphanumerics, thereby facilitating efficient insertion/deletion operation, and the added key value is found to be very effective.
Compared with the prior art, the invention has the advantages that:
1) The cloud rendering service system has elasticity and can be synchronously and flexibly deployed along with the cloud rendering service;
2) The efficiency is preferential, a structure of combining the upper chain and the lower chain is adopted, the sensitive data is stored on the chain, and the core calculation is completed under the chain;
3) Highlighting the key point, the part on the chain only confirms and records the user, the corresponding resource and the value conversion thereof;
4) The method is convenient to apply, and various personnel can dynamically view related information on the rendering service platform in real time.
Drawings
FIG. 1 is a schematic diagram of an improved Ethernet blockchain platform of the present invention.
FIG. 2 is a schematic diagram of a comprehensive interactive interface for performing job certification according to the present invention.
FIG. 3 is a schematic diagram of a dynamically expanding blockchain network of the present invention.
FIG. 4 is a block chain network link structure diagram of the present invention.
Fig. 5 is a life cycle schematic of an out-of-chain node of the present invention.
FIG. 6 is a schematic diagram of an improved method of three-dimensional Meeker tree of the present invention.
Detailed Description
The invention is further explained below with reference to the drawing and the specific embodiments.
The embodiment provides a cloud rendering resource exchange method based on a blockchain, which comprises the following steps:
step 1: constructing an Ethernet block chain platform which is in butt joint with the cloud rendering service platform;
step 2: performing work demonstration through a comprehensive interaction interface, and starting a uplink flow;
step 3: providing a dynamically expanded blockchain network comprising an off-chain node, an aggregation node and a core node based on an intelligent contract, performing authority management by using a rendering application existing data security and authentication service system, and modifying a chain and a verification module by using a rendering system existing password;
step 4: an improved method of three-dimensional merkel tree is provided, which adds an alphanumeric coded information retrieval method, and is helpful for efficient insertion/deletion operations.
As shown in fig. 1, the modified ethernet blockchain platform of the present invention includes an application layer, a service layer, a data layer, and a blockchain layer;
the application layer comprises rendering applications and extension applications, and three types of interfaces are provided: a block chain access, data operation and rendering application system;
the business layer comprises a rendering task management service system, a sample detection management system, a traceability management system, an intelligent contract management system, a charging system and a data security and authentication service system;
the data layer comprises a product and enterprise database, a sample detection result database, a traceability database, an intelligent contract storage library and a control permission database, so that the storage function is enhanced, the transaction is removed, and the encryption and authentication are simplified;
the blockchain layer comprises a blockchain network formed by Ethernet servers and is dynamically deployed according to rendering servers in the rendering system.
As shown in fig. 2, the comprehensive interactive interface schematic diagram for performing work proving of the present invention includes the following steps:
step 2.1: acquiring a user authorization state through authentication information of a rendering system, and determining that an authorized user has a uplink basic condition;
step 2.2: corresponding resource service information is acquired through a rendering module resource service interface, and the used work certification of the resource is carried out according to the corresponding resource service information;
the used work of the resource proves to contain three parts of content: existence, usage amount and usage difficulty;
step 2.3: and (5) performing uplink processing on the work evidence of the application of the resource by the authorized user being greater than a threshold value.
As shown in fig. 3, fig. 4 and fig. 5, the dynamically extended blockchain network of the present invention is composed of an out-of-chain node, a sink node and a core node, the out-of-chain data and out-of-chain control information are stored in a data layer, the blockchain layer cuts out a rendering server, performs rights management by using a rendering application existing data security and authentication service system, and transforms a chain and a verification module by rendering a password existing in the system. The working steps are as follows:
step 3.1: an event with a requirement for a uplink creates an out-of-chain node, which is a blockchain light node, that completes only the validation event and the block formation and linking. To simplify the calculation, RIPEMD-128 is used as a hashing algorithm; as a new point, broadcast information is received through a fixed port, an aggregation node and an activated out-of-chain node are searched, the link condition of the nodes is recorded by an updated list, a father node of the newly-built out-of-chain node is determined by a shortest distance method, a user verification information processing is used as a verification result, a hash value of the node is generated through a RIPEMD-128 algorithm, and the hash value is used for unique identification.
Further, the upbound requirement is data required in a rendering application.
Further, the RIPEMD-128 hashing algorithm is used to further shorten the hash value output of SHA-256 to 128 bits.
Step 3.2: the core node is constructed based on an Ethernet block chain basic node construction method, and is different in that when broadcasting the transmission block information, aiming at the sink node, only response and inquiry information are transmitted;
step 3.3: the sink node is also constructed based on the Ethernet blockchain basic node construction method, except that the sink node is a standard blockchain basic node, the father node is a core node, and the sink node is simultaneously constructed when the father node is constructed, but does not participate in blockchain operation among the core nodes. It only completes three transactions: verifying the out-of-chain node; the block data from the out-of-chain node is used as the data of the node to be packaged according to a standard block chain structure and transmitted on a block chain through a father node; a reply link is made between the core node and the out-of-chain node.
Step 3.4: the response operation comprises two types of request and confirmation, and the completed transaction comprises the establishment of an out-of-chain node, the data transmission of the out-of-chain node and the exit of the out-of-chain node.
Step 3.5: the exit of the out-of-chain node is proposed by a rendering application user initiating the uplink, and the proposed condition is that the rendering task of the user is ended, the occupied rendering resources are released, if the node has no child node and is idle (if not idle, the current transaction is finished first), an exit request is proposed, and the application is confirmed by a core node to finish the exit; if there is a child node, the parent node is notified to the corresponding child node, and the child node is required to adjust the link as soon as possible, after the child node completes the corresponding adjustment information, an exit request is provided, and the application is confirmed by the core node to complete the exit.
As shown in FIG. 6, the improved method of the three-dimensional Meeker tree of the present invention is a schematic diagram, in the blockchain, the Meeker tree is helpful to effectively and safely verify the content in the dispersion system, and an effective information retrieval means is provided. Three modified merkel roots are defined per block: a state root, determined by rendering user information, that helps maintain global state; transaction root, which is determined by the information of the rendering application using the resource, tracks and ensures the integrity of a resource call; an effect root, which is a root hash of an effect corresponding to a transaction in a block, is used to reflect the effect of use of a resource. The improvement of the Meckel tree is to add a retrieval method of information coded by alphanumerics, thereby facilitating efficient insertion/deletion operation, and the added key value is found to be very effective.
The above embodiments are only for illustrating the technical ideas of the present invention, and the protection scope of the present invention is not limited by the above embodiments, and any modification made on the basis of the technical scheme according to the technical ideas provided by the present invention falls within the protection scope of the present invention. The technology not related to the invention can be realized by the prior art.
Claims (3)
1. The cloud rendering resource exchange method based on the blockchain is characterized by comprising the following steps of:
step 1: constructing an Ethernet block chain platform which is in butt joint with the cloud rendering service platform;
step 2: performing work demonstration through a comprehensive interaction interface, and starting a uplink flow;
step 2.1: acquiring a user authorization state through authentication information of a rendering system, and determining that an authorized user has a uplink basic condition;
step 2.2: corresponding resource service information is acquired through a rendering module resource service interface, and the used work certification of the resource is carried out according to the corresponding resource service information;
the used work of the resource proves to contain three parts of content: existence, usage amount and usage difficulty;
verifying whether resources exist or not in a service processing service system in a traceability management system, and verifying successful resource writing work certification;
the usage amount obtains the rendering cost calculation usage amount from the charging management system and writes the usage amount into the work evidence;
the use difficulty refers to the granularity of statistics of rendering resources uploaded by a user, namely the difficulty coefficient of the processing difficulty of the rendering resources through a ray tracing rendering program; the value of the difficulty coefficient exceeds the average value and is stored, and the value of the difficulty coefficient is used as the input data of a hash table;
step 2.3: performing uplink processing on the work evidence of the application of the resource by the authorized user larger than a threshold value;
the threshold value is the lowest value of the uplink of the rendering resource value, and the lowest value is not met and is not uplink;
step 3: providing a dynamically expanded blockchain network comprising an off-chain node, an aggregation node and a core node based on an intelligent contract, performing authorization authentication system docking by using a rendering application existing data security and authentication service system, and feeding back a verification module and authorization information to the system;
the step 3 specifically comprises the following steps:
step 3.1: creating an out-of-chain node, which is a block chain light node, for completing verification event and block formation and linking, wherein the out-of-chain node is used as a new point and RIPEMD-128 is used as a hash algorithm; receiving broadcast information through a fixed port, searching for a convergent node and an activated out-of-chain node, updating a list to record the link condition of the node, determining a father node of the newly built out-of-chain node by using a shortest distance method, processing user verification information to form a verification result, generating a hash value of the node by using a RIPEMD-128 algorithm, and using the hash value for unique identification;
the on-going requirements are data required in the rendering application;
the RIPEMD-128 hashing algorithm is used for further shortening the hash value output of SHA-256 to 128 bits;
step 3.2: the core node is constructed based on an Ethernet block chain basic node construction method, and only transmits response and query information aiming at the sink node when broadcasting the transmission block information;
step 3.3: the sink node is constructed based on an Ethernet block chain basic node construction method, is a standard block chain basic node, and a father node of the sink node is a core node, is simultaneously constructed when the father node is constructed, but does not participate in block chain operation among the core nodes; the sink node only completes three transactions: verifying the out-of-chain node; the block data from the out-of-chain node is used as the data of the node to be packaged according to a standard block chain structure and transmitted on a block chain through a father node; making a response link between the core node and the off-link node;
step 3.4: the response operation comprises two types of request and confirmation, and the completed transaction comprises the establishment of an out-of-chain node, the data transmission of the out-of-chain node and the exit of the out-of-chain node;
step 3.5: the exit of the out-of-chain node is proposed by a rendering application user initiating the uplink, and the proposed condition is that the rendering task of the user is ended, the occupied rendering resources are released, if the node has no child node and is idle, an exit request is proposed, the request is confirmed by a core node, the exit is completed, and if the node is not idle, the current transaction is completed first; if a child node exists, the parent node of the child node is notified to the corresponding child node, the child node is required to adjust the link as soon as possible, after the child node finishes corresponding adjustment information, an exit request is provided, and the request is confirmed by a core node to finish exiting;
step 4: an improved method of three-dimensional merkel tree is provided, which adds an alphanumeric coded information retrieval method, and is helpful for efficient insertion/deletion operations.
2. The cloud rendering resource redemption method of claim 1, wherein the ethernet blockchain platform in step 1 employs a four-tier architecture: the system comprises an application layer, a service layer, a data layer and a block chain layer;
the application layer: including rendering applications and extension applications, three types of interfaces: a block chain access, data operation and rendering application system;
the service layer: including rendering task related services;
the data layer: the system comprises a product and enterprise database, a sample detection result database, a traceability database, an intelligent contract storage library and a control permission database, wherein the storage function is enhanced, the transaction is removed, and the encryption and authentication are simplified;
the blockchain layer: the system comprises a blockchain network consisting of Ethernet servers, and is dynamically deployed according to rendering servers in a rendering system.
3. The cloud rendering resource redemption method of claim 1, wherein the step 4 specifically includes: three modified merkel roots are defined per block: a state root, determined by rendering user information, that helps maintain global state; transaction root, which is determined by the information of the rendering application using the resource, tracks and ensures the integrity of a resource call; an effect root, which is a root hash of an effect corresponding to a transaction in a block, is used to reflect the effect of use of a resource.
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