CN113643027A - Method and device for realizing industry network point management based on block chain - Google Patents
Method and device for realizing industry network point management based on block chain Download PDFInfo
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- G06Q20/3821—Electronic credentials
- G06Q20/38215—Use of certificates or encrypted proofs of transaction rights
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Abstract
The invention discloses a method and a device for realizing industry network point management based on a block chain. The points standard contract defines points usage and several metrics adapted within the industry by contract code. The merchant can call the credit standard contract to issue the credit book contract of the merchant by providing the certificate and the credit basic information to be issued. The accumulated exchange function and the currency exchange function of the scores are realized in each merchant point book contract, and the accumulated exchange of the single-type score tickets and the currency exchange of multiple types of scores can be realized when the user uses the scores. The supervision mechanism can realize transparent and standardized integral management; the merchant can quickly deploy points, the cost of the operation point system is reduced, the user stickiness is increased, the number of transactions on a chain can be reduced when the point ticket is issued, the node pressure is reduced, and the issuing efficiency of small and repeated points is optimized.
Description
Technical Field
The invention relates to the field of computers, in particular to a method and a device for realizing industry network point management based on a block chain.
Background
For a merchant, constructing a self point platform needs to be deployed and planned from multiple steps such as a back end, a front end, publicity, maintenance and the like, and for small and micro enterprises, cost is high and benefit is difficult to obtain quickly; in addition, instability of point policy and tedious point accounting check are all problems to be considered by merchants. Merchants need a trust platform that deploys points quickly at a low cost.
For general consumers, the point reward exchange of commodity articles is few and not strong in practicability, and many users do not use the point reward exchange. According to statistics, the value of the point issuing quantity of domestic financial, telecommunication, aviation trip, E-commerce, department store and other industries in 2013 is hundreds of billions of yuan RMB, but the actual consumption rate of the point is only 20 percent, and a large number of points are deposited by users and are not used. Generally, the use of user points faces the problems of small quantity, various types, opaque rules, few commodity exchange and the like.
Disclosure of Invention
One or more embodiments of the present invention provide a method and an apparatus for implementing industry point management based on a block chain, so as to perform specification management, deployment, ticket exchange, remittance, and the like. At present, the mutual communication of the integral platforms between enterprises in the same industry technically includes great differences of development languages, system architectures and the like, and the technical unification is difficult to realize. Secondly, for the block chain technology, the current transaction needs the nodes on the chain to carry out consensus and upload blocks, the direct application of the block chain technology with the points as shopping incentive will face too high transaction commission and not to offset the value of the points, and secondly, the transaction on the chain is too slow to be confirmed and is not suitable for the fast transaction scene of the points; meanwhile, a large number of on-chain transactions also bring huge interaction pressure on the block link points.
In order to solve the above problem, in a first aspect, the present invention provides a method for implementing industry network credit management based on a block chain, including the following steps:
a blockchain deployed in the industry receives a first transaction for calling a first intelligent contract from a supervision mechanism, executes a first contract code according to the first transaction, realizes that a merchant constructs a digital certificate, stores the digital certificate in a blockchain state tree, returns a certificate serial number ID to the merchant, and completes the on-chain registration of the merchant;
a blockchain deployed within the industry receives a third transaction from a merchant deployed within the industry for invoking a second intelligent contract;
and executing a second intelligent contract according to a third transaction by the block chain deployed in the industry, calling the first contract verification certificate, generating a third intelligent contract according to the point standard interface, and returning the contract address to the merchant to complete the deployment of the point book contract of the merchant.
The first intelligent contract and the second intelligent contract are issued into a blockchain in advance by a regulatory agency, the first intelligent contract comprises a first contract code, and the first transaction comprises a first function identification used for indicating the first contract code and basic qualification information and the effective time of a certificate of a merchant to be added; the merchant to be added needs to send the self certificate information to a monitoring organization for verification; the second intelligent contract comprises a second contract code, and the third transaction comprises a second function identification indicating the second contract code, and a merchant authentication certificate, and basic information of points to be issued, and a second account of the merchant.
In one possible embodiment, the method further comprises: the blockchain receives a second transaction from the regulatory agency for deploying the first smart contract, a second smart contract, the second transaction including the first contract code, a second contract code, and a regulatory agency-certified first account address.
The blockchain deploys the first intelligent contract and a second intelligent contract according to the second transaction;
the first intelligent contract specifically comprises a specific structure to be signed, a hash function, a signature function and a signature verification function which are signed by using a first account; the second intelligent contract specifically comprises an industry point standard interface and a point ledger contract factory function.
In one possible implementation, the structure to be signed field at least includes a current merchant account address and a current first contract address; the industry point standard interface at least comprises a point issuing total quantity parameter, a precision parameter and a point ticket exchange function, a point commodity exchange function and a point collection function.
In one possible implementation, the merchant authentication certificate must be within an aging period and the issuer must be the first account of the regulatory authority.
In a possible implementation mode, the credit standard interface needs to include functions of credit ticket exchange and credit commodity exchange, and the functions of credit ticket exchange include a structure to be signed of a specific credit ticket signed by using a second account, a hash function, a signature function and a signature verification function; the point commodity exchange function comprises that the point balance of a third account of the user is more than or equal to the amount of the commodity required to be exchanged. The structural body to be signed of the ticket at least comprises the amount of the current credit ticket, a redeemer and a current third contract address.
In one possible embodiment, the credit standard interface is required to include a credit ticket redemption function, and the method further comprises:
receiving, by a blockchain deployed within the industry, a fourth transaction from the user for invoking a third intelligent contract, the third intelligent contract resulting from execution of the third transaction, the third intelligent contract comprising third contract code; the fourth transaction includes a third function identification indicating the third contract code and a points ticket and a third account of the user.
The blockchain executes the third contract code in accordance with the fourth transaction to implement: and modifying the point balance of the third account of the user in the merchant point book contract, namely the third contract, so as to realize the exchange of the point ticket of the user.
In one possible embodiment, the issuer of the ticket must be the second account of the merchant and the ticket redeemer must be the third account of the user.
In one possible embodiment, the credit standard interface is required to include a credit ticket redemption function, and the method further comprises:
a blockchain deployed within the industry receives a fifth transaction from the user for invoking a third smart contract, the fifth transaction including a fourth function identification for indicating the third contract code and the redeemer required point information and a third account of the user.
The point information must contain a point amount, which must not be greater than the point balance of the user's third account in the third contract.
The blockchain executes the third contract code in accordance with the fifth transaction to implement: and the user consumes the points in the merchant point book contract and exchanges the points for real commodities.
In one possible embodiment, the credit standard interface needs to include a credit clearing function, and the method further includes:
a blockchain deployed within the industry receives a sixth transaction from the user for invoking a third intelligent contract, the sixth transaction including a fifth function identification for indicating the third contract code, a number of points to be passed, and a user third account.
The point amount must not be greater than the point balance of the user's third account in the third contract.
The blockchain executes the third contract code in accordance with the sixth transaction to implement: and converting the third sum total number into the block chain main chain sum total, thereby realizing the convergence of the multi-merchant sum total.
In a second aspect, the present invention provides an apparatus for implementing industry network point management based on block chain, which includes
A transaction receiving unit configured to receive a first transaction for invoking a first intelligent contract from a regulatory body deployed within the industry, or/and a second transaction for deploying the first intelligent contract, a second intelligent contract, or/and configured to receive a third transaction for invoking the second intelligent contract from the merchant, or/and configured to receive a fourth transaction or a fifth transaction or a sixth transaction for invoking the third intelligent contract from the user;
a contract execution unit configured to execute the first contract code in accordance with the first transaction to implement: constructing a merchant digital certificate, and returning a certificate serial number ID to the merchant, so that the merchant stores information in a chain and completes the chain registration of the merchant; or/and is configured to execute the third intelligent contract according to the fourth transaction to modify the merchant point book contract and realize the exchange of the user point ticket; or/and is configured to execute the third intelligent contract according to the fifth transaction so as to enable the user to consume the points in the merchant point book contract and exchange the points for real commodities; or/and configured to execute the third smart contract in accordance with the sixth transaction to effect a conversion of a third contract credit amount to blockchain backbone credits to effect a remittance of multi-merchant credits.
In one possible embodiment, a transaction receiving unit is configured to receive a first transaction from a regulatory agency deployed within the industry for invoking a first intelligent contract, the first intelligent contract being issued into the blockchain by the regulatory agency deployed within the industry, the first intelligent contract comprising a first contract code, the first transaction comprising a first function identification for indicating the first contract code;
a contract execution unit configured to execute the first contract code in accordance with the first transaction to implement: and constructing a merchant digital certificate, and returning the certificate serial number ID to the merchant, so that the merchant stores the information in the chain, and the chain registration of the merchant is completed.
In one possible implementation, the transaction receiving unit is further configured to receive a second transaction from the regulatory agency for deploying the first intelligent contract, a second intelligent contract, the second transaction including the first contract code, the second contract code, and a regulatory agency-certified first account address.
The device further comprises a contract deployment unit configured to deploy the first intelligent contract and the second intelligent contract according to the second transaction;
in a possible implementation, the transaction receiving unit is further configured to receive a third transaction for invoking a second smart contract from the merchant, the third transaction including a second function identification indicating the second contract code and the merchant authentication certificate and the basic information of the credit to be issued and the second account of the merchant.
The contract execution unit is further configured to execute the second intelligent contract according to the third transaction to call the first contract verification certificate, generate a third contract according to the point standard interface, return a contract address to the merchant, and complete the deployment of the merchant point ledger contract.
In one possible embodiment, the transaction receiving unit is further configured to receive a fourth transaction from the user for invoking a third smart contract, the fourth transaction including a third function identification indicating the third contract code and a points ticket and a third account of the user.
The contract execution unit is further configured to execute the third intelligent contract according to the fourth transaction, so as to modify a point balance of a merchant point book contract, namely a third account of the user in the third contract, and realize redemption of a user point ticket book.
In one possible embodiment, the transaction receiving unit is further configured to receive a fifth transaction for invoking a third smart contract from the user, the fifth transaction including a fourth function identification indicating the third contract code and the redeemer required point information and a third account of the user.
The contract execution unit is further configured to execute the third intelligent contract according to the fifth transaction so as to enable the user to consume the points in the merchant point book contract and exchange the points for the real commodities.
In one possible embodiment, the transaction receiving unit is further configured to receive a sixth transaction from the user for invoking a third smart contract, the sixth transaction including a fifth function identification indicating the third contract code, a number of points to be passed, and a user third account.
The contract execution unit is further configured to execute the third intelligent contract according to the sixth transaction to realize conversion of a third contract integral quantity to block chain main chain points, so that the multi-merchant points are communicated.
By the method and the device provided by one or more embodiments of the invention, the industry credit supervision agency issues the industry credit standard contract and the merchant registration contract. The point standard contract is limited and adapted to the point usage and a plurality of indexes in the industry through contract codes; the merchant submits qualification information to the supervision agency for authentication, and after the authentication is passed, the supervision agency issues a time-effect certificate to the merchant and calls a merchant registration contract to register the merchant. The merchant can call the credit standard contract to issue the credit book contract of the merchant by providing the certificate and the credit basic information to be issued. The accumulated exchange function and the currency exchange function of the scores are realized in each merchant point book contract, and the accumulated exchange of the single-type score tickets and the currency exchange of multiple types of scores can be realized when the user uses the scores. Therefore, the integral supervision mechanism can realize transparent and normalized integral management, and correct the trouble of the integral market and maintain the stable market; the merchant can quickly deploy the points, the cost of the operation point system is reduced, the user viscosity is increased, the points have higher public trust, in addition, the number of transactions on the chain can be reduced by issuing the point ticket paper, the node pressure is reduced, and the issuing efficiency of the small and micro multiple points is optimized; the single-type point contract account book provides a function of accumulated exchange of the micro-points, and common users can enjoy the accumulated exchange of the point ticket volumes. The unified point standard can lead the points of various merchants owned by the user to be exchanged into the unified points on the chain, thereby breaking the barriers of various points and condensing various small micro-points to exchange commodities in a unified way.
The invention realizes the automatic arrangement of the point contract through the point standard interface on the chain, and the code in the interface stipulates the function functions required by the general point system, such as point distribution, point commodity exchange, point collection and the like, thereby saving the cost of arranging the system for the merchant who wants to access the point system and enjoying the service of quick arrangement without paying attention to the specific contract code details. Secondly, the invention transplants the signature algorithm in cryptography into the intelligent contract of the block chain, realizes the registration of the digital certificate of the merchant and the exchange of the score ticket under the chain of the user through the signer identification function of the digital signature, and the digital certificate is used for the access detection of the block chain to prevent external security risks. The validity of the distribution accumulated on the chain is determined through the verification of the validity period, the belonger, the issuer and other information of the digital certificate by the contract code on the chain; the transaction signature is constructed under the chain, the detailed transaction data is signed and packaged into the exchange ticket through the private key of the point distribution placer (generally a merchant) and is sent to the user, the user can accumulate the point ticket of the user to exchange points uniformly at any time, the transaction times are reduced, the cost and the overhead on the chain are saved, the automatic signature verification is realized through the intelligent contract on the chain, the verification including the belonged person, the consumption amount and the like is performed on the exchanged ticket, and effective safety guarantee is provided. In addition, the points in the point book contracts deployed by various merchants are converted into the points in the block chain main chain for proportional conversion through contract transaction, so that the points are communicated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a system framework diagram of the solution provided in the embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for implementing the normative management, deployment, ticket exchange, and remittance of the industry credit based on the block chain in the embodiment of the present invention;
FIG. 3 is a diagram illustrating a regulatory body issuing intelligent contracts to a blockchain in an embodiment of the present invention;
FIG. 4 is a schematic diagram of user loyalty program redemption in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a user redeeming points for merchandise according to an embodiment of the invention;
FIG. 6 is a diagram illustrating user credit exchange in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an apparatus for implementing specification management, deployment, ticket exchange, and remittance of industry points based on a block chain according to an embodiment of the present invention.
Detailed Description
Various non-limiting embodiments of the present invention are described in detail below with reference to the attached figures.
Fig. 1 is a system framework diagram of the technical solution provided in the embodiment of the present invention. As shown in figure 1 of the drawings, in which,
for regulatory agencies 10 within industry a, they may be expressed as government regulators that govern a certain field of industry. The regulatory body establishes the point use specification in the industry, and supervises and manages the adherence of the point use specification to the business users 30 in the industry.
Based on the demand for profit or development, the merchant 30 needs a demand for rapid deployment of the commercial credit, and the credit meets the credit specification in the industry, then the merchant may rely on a trusted third party in the industry to perform deployment and data storage, for example, by the blockchain 20 which is deployed in the industry a and includes a plurality of blockchain nodes; the user 40 may be expressed as a user 40 enjoying the merchant 30 point service without any industrial limitation. The user 40 can enjoy the point ticket redemption, point goods redemption, and point remittance functions provided by the merchant 30.
In an actual business scenario, the regulatory agency 10 and the merchant 30 may each be implemented as any computer device, computing platform, and device cluster having computing and storage capabilities. Industry a may characterize a particular one industry category; for example, industry a may characterize the service industry.
In an embodiment of the invention, a regulatory body within deployment industry a may issue the industry credit standard contract and merchant registration contract to blockchain 20. The point standard contract is limited and adapted to the point usage and a plurality of indexes in the industry through contract codes; the merchant submits qualification information to the supervision agency for authentication, and after the authentication is passed, the supervision agency issues a time-effect certificate to the merchant and calls a merchant registration contract to register the merchant. The merchant can call the credit standard contract to issue the credit book contract of the merchant by providing the certificate and the credit basic information to be issued. The accumulated exchange function and the currency exchange function of the scores are realized in each merchant point book contract, and the accumulated exchange of the single-type score tickets and the currency exchange of multiple types of scores can be realized when the user uses the scores. Therefore, the integral supervision mechanism can realize transparent and normalized integral management, and correct the trouble of the integral market and maintain the stable market; the merchant can quickly deploy the points, the cost of the operation point system is reduced, the user viscosity is increased, the points have higher public trust, in addition, the number of transactions on the chain can be reduced by issuing the point ticket paper, the node pressure is reduced, and the issuing efficiency of the small and micro multiple points is optimized; the single-type point contract account book provides a function of accumulated exchange of the micro-points, and common users can enjoy the accumulated exchange of the point ticket volumes. The unified point standard can lead the points of various merchants owned by the user to be exchanged into the unified points on the chain, thereby breaking the barriers of various points and condensing various small micro-points to exchange commodities in a unified way.
Fig. 2 is a flowchart of a method for implementing the normative management, deployment, ticket exchange, and remittance of the industry credit based on the blockchain according to an embodiment of the present invention. As shown in fig. 2, the method may include at least step 201, step 202, and step 203.
At step 201, a blockchain 20 deployed within the industry receives a transaction T1 from a regulatory agency 10 deployed within the industry for invoking an intelligent contract C1.
Smart contract C1 may be expressed as a first smart contract and smart contract C2 may be expressed as a second smart contract. The smart contracts C1, C2 are issued into the blockchain 20 by a regulatory body 10 deployed within the industry, the smart contracts C1 including at least a first contract code and the smart contracts C2 including at least a second contract code. Referring to FIG. 3, the deployment of intelligent contracts C1, C2 in blockchain 20 may be accomplished through steps 301 and 302.
At step 301, the regulatory agency 10 sends a transaction T2 for deploying the contract to the blockchain 20. Where transaction T2 may be expressed as a second transaction, transaction T2 includes at least the aforementioned first contract code and second contract code. Specifically, the From field of the transaction T2 may include the first account registered by the administrator 10 on the blockchain 20, and the Data field of the transaction T2 may include a contract file of the smart contract C1, a contract file of the smart contract C2, the contract file including at least the aforementioned first contract code, second contract code. The predetermined transaction in which the first contract and the second contract code can be implemented will be described in detail in the subsequent process.
With continued reference to FIG. 3, at step 302, the blockchain 20 deploys the smart contracts C1, C2 according to transaction T2.
The specific process by which the blockchain 20 deploys the smart contracts C1 may include, but is not limited to, assigning a contract address to the smart contract C1 and setting the contract address and the first account in the From field of the transaction T2 as the certificate issuing account of C1.
As previously described, the Data field of the transaction T2 may include a contract file for the smart contract C1, the contract file including at least a first contract code, a second contract code; then, the blockchain 20 may complete the deployment of the intelligent contracts C1, C2 in the blockchain 20 by associating the contract addresses of the intelligent contracts C1, C2 with the storage of the contract file, respectively.
In the case of normal deployment of smart contracts C1, C2, it may be stated as a first transaction for transaction T1 for invoking smart contract C1. Transaction T1 includes at least a first function identification indicating a first contract code and basic qualification information to be joined with the merchant, the validity time of the certificate. For example, the From field of transaction T1 may include the second account that the merchant 30 registered on the blockchain 20, the To field of transaction T1 may include the contract address of the smart contract C1, the Data field of transaction T1 may include a first function identification for indicating the first contract code, which may be an identification of an entry function of the first contract code, and basic qualification information To be added To the merchant, the validity time of the certificate. The business qualification information may include: the registered name, type, business approval information, etc. of the merchant company.
It should be noted that, based on the need of national security and/or protection of personal privacy, the basic enterprise information is used to uniquely identify the enterprise and not to reveal the privacy of the merchant, for example, the information such as the enterprise name, the merchant number, and the operating license number of the merchant is abstracted by a hash function to obtain the value. The basic business information must also include the second account address of the merchant 30 on the chain.
Returning to FIG. 2, at step 201, blockchain 20 executes the first contract code according to transaction T1.
The first contract code, when executed, may implement the following predetermined transaction: and constructing a digital certificate for the merchant 30, storing the digital certificate in the block chain state tree in a persistent mode, and returning the serial number ID of the certificate to the merchant, so that the merchant stores the information in the chain and finishes the chain registration of the merchant. The merchant can inquire or download the certificate of the merchant and verify the validity of the certificate.
It should be noted that the specific signature data structure of the digital certificate should at least include the concatenation of the basic qualification information of the merchant with the second account address and the first contract address of the current merchant 30. The generation process comprises a hash function, a signature function and a signature verification function which are signed by using the first account;
in step 202 of FIG. 2, a blockchain 20 deployed within the industry receives a transaction T3 from a merchant 30 deployed within the industry for invoking an intelligent contract C2.
Transaction T3 may be expressed as a third transaction, transaction T3 including at least the aforementioned second function identification of the second contract code along with the merchant authentication certificate and the basic information to be credited and the merchant's second account. Specifically, the From field of transaction T3 may include the second account that the merchant 30 registered on blockchain 20, and the Data field of transaction T3 may include the second function identification of the second contract code along with the merchant authentication certificate and the basic information of the credit to be issued. The To field of transaction T3 may include the address of the second intelligent contract.
More specifically, the merchant authentication certificate is stored on the chain by the step 201; the basic information of the integral to be issued comprises the category, the name, the initial issue quantity, the identification and the precision of the integral.
In step 203, blockchain 20 executes the second contract code according to transaction T3.
The second contract code, when executed, may implement the following predetermined transaction: the first intelligent contract is called first to verify the validity of the certificate, and if the certificate is invalid, the intelligent contract C3 deployment is terminated, and the transaction is rolled back. Otherwise, the intelligent contract C3 is deployed according to the standard interfaces of the point tokens in the second contract and the function of the point ledger contract factory after passing the verification, and then the generated third contract address is returned to the merchant 30, so as to complete the deployment of the basic ledger contract of the merchant 30.
Intelligent contract C3 may be expressed as a third intelligent contract. The intelligent contracts C3 are deployed by step 203 in the blockchain 20 within the industry, the intelligent contracts C3 including at least a third contract code. The predetermined transaction in which the third contract code can be implemented will be described in detail in a subsequent process.
In the above process, the first contract code is invoked by the second contract for the following predetermined transaction: a second account of the merchant 30 and a merchant certificate signature communicated by a second contract are received and the merchant 30 certificate stored on blockchain 20 is invoked to perform verification of the signature by the first account signature. And judging whether the signer is the first account of the supervision institution, if so, returning to be correct, otherwise, stopping execution, and rolling back the transaction.
It should be noted that the first intelligent contract implements the certificate authentication function through contract codes, and the first intelligent contract specifically includes a specific structure to be signed, a hash function, a signature function, and a signature verification function, which are signed by using a first account;
specifically, a structure to be signed, a hash function, a signature function and a signature verification function can be flexibly configured, but the structure data of the signature and the signature verification must be the same.
In a more specific example, the structure to be Signed may be a merchant basic qualification digest, a merchant account address, a first contract address, a blockchain unique identifier, such as a fixed signature prefix "\ x19Ethereum Signed Message: \ n32" of an etherhouse backbone; the hash function may be a hash function supported on a block chain such as SHA256, Keccak256, and the like, and the process of the signature function may be to digest the structure to be signed by the hash function and then encrypt the structure by using a private key of the first account of the regulatory agency. The flow of the signature checking function can be that basic information of a merchant certificate stored in a merchant address extraction chain is checked whether the certificate is in a valid period, a structure body to be signed is rebuilt through the basic information, a signer address is recovered through separation of a certificate signature, and then the signature checking function is checked with a first account of a monitoring authority.
In some embodiments, where the intelligent contract C3 is normally deployed, the merchant 30 issues the points ticket under the chain to the user 40, who may proceed with redemption of the points ticket as shown in step 401 of fig. 4.
In step 401 of FIG. 4, a blockchain 20 deployed within the industry receives a transaction T4 from a user 40 for invoking an intelligent contract C3.
Transaction T4 may be expressed as a fourth transaction, transaction T4 including at least the aforementioned third function identification indicative of the third contract code, the points ticket, and a third account of the user. In particular, the From field of transaction T4 may include the third account that user 40 registered on blockchain 20, and the Data field of transaction T4 may include a third function identification of a third contract code and a points ticket. The To field of transaction T4 may include the address of the third intelligent contract.
It should be noted that the specific signature data structure of the point ticket should at least include the concatenation of the third account address of the user, the total amount of issued points, the current third intelligent contract address, and the serial number of the ticket. The generation process comprises a hash function, a signature function and a signature verification function which are signed by using the second account;
in step 401, blockchain 20 executes the third contract code according to transaction T4.
The third contract code, when executed, may implement the predetermined transaction as follows: the validity of the point ticket is firstly verified, if the point ticket is invalid, the conversion of the point ticket is terminated, and the transaction is rolled back. Otherwise, the point balance of the point book contract of the merchant, namely the point balance of the third account of the user in the third contract, is modified, and the exchange of the point ticket of the user is realized.
It should be noted that the third intelligent contract realizes the verification function of the credit receipt through the contract code, and specifically includes a specific structure to be signed, a hash function, a signature function, and a signature verification function that are signed by using the second account;
specifically, a structure to be signed, a hash function, a signature function and a signature verification function can be flexibly configured, but the structure data of the signature and the signature verification must be the same.
In a more specific example, when a user reaches a point reward condition of a certain merchant, the merchant needs to issue points to the user, and at this time, the merchant signs a chain account address of the merchant, a current total amount of issued points, a ticket sequence number and a self point book contract address by using a self chain account private key to generate a bill and sends the bill to the user, and the process is not interacted with a block chain all the time, so that the cost and the chain pressure are reduced. If the total amount of the points acquired by the user is adjusted in the period, the total amount of the issued points in the ticket can be adjusted, meanwhile, the serial number of the old ticket is destroyed by the contract and is not effective any more, and the merchant can perform the process again to issue the point ticket. In the process, the user can call the block chain to exchange the ticket of the user at any time. The flow of the signature checking function in the merchant cheque book contract can be that the serial number of the ticket is verified according to the ticket provided by the user, whether the ticket is up to date or not is checked, the signer address is recovered by separating the signature of the ticket, and then the signature is checked with the second account of the merchant.
Additionally, in some embodiments, the user may also effect redemption of the points item through step 501 of FIG. 5.
In step 501 of FIG. 5, a blockchain 20 deployed within the industry receives a transaction T5 from a user 40 for invoking an intelligent contract C3.
Transaction T5 may be expressed as a fifth transaction, transaction T5 including at least the fourth function identification indicating the third contract code and the redeemer's desired point information and the user's third account as previously described. In particular, the From field of transaction T4 may include a third account that user 40 registered on blockchain 20, and the Data field of transaction T4 may include a fourth function identification indicative of the third contract code and point information required to redeem the good. The To field of transaction T4 may include the address of the third intelligent contract.
It should be noted that the point information required for redeeming the merchandise may be the number ID of the point merchandise or other information capable of uniquely identifying the merchandise.
Step 502, the third intelligent contract realizes the exchange function of the point goods through the contract code, and transfers the point of the third account of the user to the second account of the merchant according to the point price of the goods to be exchanged. And after the merchant confirms, the commodity is issued to the user.
In some embodiments, the user may also implement the conversion of the third number of contract credits into blockchain main chain credits through the steps shown in fig. 6, thereby implementing the remittance of the multi-business credits.
In step 601 of FIG. 6, a blockchain 20 deployed within the industry receives a transaction T6 from a user 40 for invoking an intelligent contract C3.
Transaction T6 may be expressed as a sixth transaction, transaction T6 including at least the aforementioned fifth function identification indicative of the third contract code, the number of points remitted, and the user's third account. In particular, the From field of transaction T6 may include the third account that the user 40 registered on the blockchain 20, and the Data field of transaction T6 may include the number of points remitted. The To field of transaction T6 may include the address of the third intelligent contract.
And step 602, the third intelligent contract realizes the function of point convergence conversion through contract codes, and converts the third contract points of the user into main chain points.
It should be noted that the conversion ratio of the main chain point to the merchant contract account point is agreed by the regulatory department, and the contract account will get the main chain point under the corresponding starting amount point ratio when the merchant creates the point account contract.
And step 602, the third intelligent contract realizes a point exchange conversion function through the contract codes, and sends the points of the user account in the third contract to the merchant account, and then sends the main chain points in the third contract to the user account. Therefore, conversion of the multi-merchant point book points into the unified point types is achieved, for the user, various point barriers can be broken, and various small micro-points are condensed to exchange commodities in a unified mode.
Based on the same concept as the foregoing method embodiment, the embodiment of the present invention further provides a device for implementing specification management, deployment, ticket exchange, and remittance of industry points based on a blockchain, where the device is deployed in a blockchain node included in a blockchain 20 in a home. Referring to fig. 7, the apparatus includes:
a transaction receiving unit 701 configured to receive a first transaction for invoking a first intelligent contract from a regulatory agency deployed within the industry, the first intelligent contract being issued into the blockchain by the regulatory agency deployed within the industry, the first intelligent contract comprising a first contract code, the first transaction comprising a first function identification indicating the first contract code;
a contract execution unit 702 configured to execute the first contract code in accordance with the first transaction to implement: and constructing a merchant digital certificate, and returning the certificate serial number ID to the merchant, so that the merchant stores the information in the chain, and the chain registration of the merchant is completed.
In one possible implementation, the transaction receiving unit is further configured to receive a second transaction from the regulatory agency for deploying the first intelligent contract, a second intelligent contract, the second transaction including the first contract code, the second contract code, and a regulatory agency-certified first account address.
The apparatus further comprises a contract deployment unit 703 configured to deploy the first and second smart contracts according to the second transaction;
in a possible implementation, the transaction receiving unit is further configured to receive a third transaction for invoking a second smart contract from the merchant, the third transaction including a second function identification indicating the second contract code and the merchant authentication certificate and the basic information of the credit to be issued and the second account of the merchant.
The contract execution unit is further configured to execute the second intelligent contract according to the third transaction to call the first contract verification certificate, generate a third contract according to the point standard interface, return a contract address to the merchant, and complete the deployment of the merchant point ledger contract.
In one possible embodiment, the transaction receiving unit is further configured to receive a fourth transaction from the user for invoking a third smart contract, the fourth transaction including a third function identification indicating the third contract code and a points ticket and a third account of the user.
The contract execution unit is further configured to execute the third intelligent contract according to the fourth transaction, so as to modify a point balance of a merchant point book contract, namely a third account of the user in the third contract, and realize redemption of a user point ticket book.
In one possible embodiment, the transaction receiving unit is further configured to receive a fifth transaction for invoking a third smart contract from the user, the fifth transaction including a fourth function identification indicating the third contract code and the redeemer required point information and a third account of the user.
The contract execution unit is further configured to execute the third intelligent contract according to the fifth transaction so as to enable the user to consume the points in the merchant point book contract and exchange the points for the real commodities.
In one possible embodiment, the transaction receiving unit is further configured to receive a sixth transaction from the user for invoking a third smart contract, the sixth transaction including a fifth function identification indicating the third contract code, a number of points to be passed, and a user third account.
The contract execution unit is further configured to execute the third intelligent contract according to the sixth transaction to realize conversion of a third contract integral quantity to block chain main chain points, so that the multi-merchant points are communicated.
Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in this invention may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, a computer program corresponding to these functions may be stored in a computer-readable medium or transmitted as one or more instructions/codes on the computer-readable medium, so that when the computer program corresponding to these functions is executed by a computer, the method described in any one of the embodiments of the present invention is implemented by the computer.
Also provided in an embodiment of the present invention is a computer-readable storage medium having a computer program stored thereon, where when the computer program is executed in a computing device, the computing device executes the method provided in any one of the embodiments of the present invention.
The embodiment of the invention also provides a computing device, which comprises a memory and a processor, wherein the memory stores executable codes, and the processor executes the executable codes to realize the method provided by any embodiment of the invention.
The embodiments of the present invention are described in a progressive manner, and the same and similar parts in the embodiments are referred to each other, and each embodiment is described with emphasis on differences from other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The foregoing description of specific embodiments of the present invention has been presented. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.
Claims (10)
1. The method for realizing the industry network point management based on the block chain is characterized by comprising the following steps:
a blockchain deployed in the industry receives a first transaction for calling a first intelligent contract from a supervision mechanism, executes a first contract code according to the first transaction, realizes that a merchant constructs a digital certificate, stores the digital certificate in a blockchain state tree, returns a certificate serial number ID to the merchant, and completes the on-chain registration of the merchant;
a blockchain deployed within the industry receives a third transaction from a merchant deployed within the industry for invoking a second intelligent contract;
and executing a second intelligent contract according to a third transaction by the block chain deployed in the industry, calling the first contract verification certificate, generating a third intelligent contract according to the point standard interface, and returning the contract address to the merchant to complete the deployment of the point book contract of the merchant.
2. The method for implementing industry network credit management based on block chain as claimed in claim 1, wherein: the first intelligent contract and the second intelligent contract are issued into a blockchain in advance by a regulatory agency, the first intelligent contract comprises a first contract code, and the first transaction comprises a first function identification used for indicating the first contract code and basic qualification information and the effective time of a certificate of a merchant to be added; the merchant to be added needs to send the self certificate information to a monitoring organization for verification; the second intelligent contract comprises a second contract code, and the third transaction comprises a second function identification indicating the second contract code, and a merchant authentication certificate, and basic information of points to be issued, and a second account of the merchant.
3. The method for implementing industry network credit management based on block chain as claimed in claim 1 or 2, wherein: further comprising the blockchain receiving a second transaction from the regulatory agency for deploying the first smart contract, a second smart contract, the second transaction comprising the first contract code, a second contract code, and a regulatory agency-certified first account address;
the blockchain deploys the first intelligent contract and a second intelligent contract according to the second transaction;
the first intelligent contract specifically comprises a specific structure to be signed, a hash function, a signature function and a signature verification function which are signed by using a first account; the second intelligent contract specifically comprises an industry point standard interface and a point ledger contract factory function.
4. The method of claim 3, wherein the method comprises: the structural body to be signed field at least comprises a current merchant account address and a current first contract address; the industry point standard interface at least comprises a point issuing total quantity parameter, a precision parameter and a point ticket exchange function, a point commodity exchange function and a point collection function.
5. The method of claim 4, wherein the method comprises: the point ticket redemption includes:
receiving, by a blockchain deployed within the industry, a fourth transaction from the user for invoking a third intelligent contract, the third intelligent contract resulting from execution of the third transaction, the third intelligent contract comprising third contract code; the fourth transaction includes a third function identification indicative of the third contract code, a tally ticket, and a third account of the user;
the blockchain executes the third contract code in accordance with the fourth transaction to implement: and modifying the point balance of the third account of the user in the merchant point book contract, namely the third contract, so as to realize the exchange of the point ticket of the user.
6. The method of claim 4, wherein the method comprises: the redemption of the points commodity includes:
receiving, by a blockchain deployed within the industry, a fifth transaction from the user for invoking a third intelligent contract, the fifth transaction comprising a fourth function identification for indicating the third contract code and the redeemer required point information and a third account of the user;
the point information must contain a point amount, and the point amount must not be greater than a point balance of a third account of the user in a third contract;
the blockchain executes the third contract code in accordance with the fifth transaction to implement: and the user consumes the points in the merchant point book contract and exchanges the points for real commodities.
7. The method of claim 4, wherein the method comprises: the point summarization includes:
receiving, by a blockchain deployed within the industry, a sixth transaction from the user for invoking a third intelligent contract, the sixth transaction comprising a fifth function identification for indicating the third contract code, a number of points to be passed, and a user third account;
the point amount must not be greater than the point balance of the user's third account in the third contract;
the blockchain executes the third contract code in accordance with the sixth transaction to implement: and converting the third sum total number into the block chain main chain sum total, thereby realizing the convergence of the multi-merchant sum total.
8. The device for realizing the industry network point management based on the block chain is characterized in that: comprises that
A transaction receiving unit configured to receive a first transaction for invoking a first intelligent contract from a regulatory body deployed within the industry, or/and a second transaction for deploying the first intelligent contract, a second intelligent contract, or/and configured to receive a third transaction for invoking the second intelligent contract from the merchant, or/and configured to receive a fourth transaction or a fifth transaction or a sixth transaction for invoking the third intelligent contract from the user;
a contract execution unit configured to execute the first contract code in accordance with the first transaction to implement: constructing a merchant digital certificate, and returning a certificate serial number ID to the merchant, so that the merchant stores information in a chain and completes the chain registration of the merchant; or/and is configured to execute the third intelligent contract according to the fourth transaction to modify the merchant point book contract and realize the exchange of the user point ticket; or/and is configured to execute the third intelligent contract according to the fifth transaction so as to enable the user to consume the points in the merchant point book contract and exchange the points for real commodities; or/and configured to execute the third smart contract in accordance with the sixth transaction to effect a conversion of a third contract credit amount to blockchain backbone credits to effect a remittance of multi-merchant credits.
9. The apparatus for implementing industry network credit management based on blockchain as claimed in claim 8, wherein: the contract deployment unit is configured to deploy the first intelligent contract and the second intelligent contract according to the second transaction.
10. The apparatus for implementing industry network credit management based on blockchain as claimed in claim 8, wherein: the first transaction includes a first function identification indicating the first contract code, the second transaction includes the first contract code, a second contract code, and a first account address authenticated by a regulatory agency, the third transaction including a second function identification indicating the second contract code and a merchant authentication certificate and basic information of points to be issued and a second account of the merchant, the fourth transaction includes a third function identification indicative of the third contract code and a points ticket and a third account of the user, the fifth transaction includes a fourth function identification indicating the third contract code and the redeemer's desired point information and a third account of the user, the sixth transaction includes a fifth function identification indicating the third contract code, a number of points remitted, and a third account of the user.
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