CN111553703A - Block chain contract method and system for point transaction - Google Patents
Block chain contract method and system for point transaction Download PDFInfo
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Abstract
The invention provides a block chain contract method and a block chain contract system for point transaction, which are used for collecting the biological identification characteristics of an accessor and storing the biological identification characteristics into a storage area of an intelligent contract when in use, thereby reducing the block chain contract cost, improving the system efficiency, enabling the biological identification characteristic data to be anti-interference and being capable of inquiring a database; the Ether house block chain is suitable for constructing a private chain, the credit transaction data cannot be tampered based on the characteristics of the block chain, the authenticity and the reliability of the credit transaction data are guaranteed, the access control module can control the authority of an accessor, when the accessor accesses a transaction node, the access is responded through the intelligent contract chain code logic, and if the accessor accords with the biological identification feature data stored in the intelligent contract, the access control module permits the accessor to access the transaction node.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a block chain contracting method and a block chain contracting system for point transaction.
Background
Blockchains can be used for automation tasks and processes not limited to the field of cryptocurrency, and such a solution would enable better cryptographic processing of transactions using the properties of blockchains. The current credit issuing and trading in the market is not transparent, and the public credibility in the consumer market is not enough. All issued points in the market have a serious centralized phenomenon, and the points are popularized by respective enterprises or platforms no matter the points are credit card points, aviation flight points, shopping point points in a market or online shopping point points in the telecommunication industry. For the consumer, the reliability of the point transaction is pending.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a block chain contracting method and system for point transaction, which can ensure the transaction safety in the point transaction link.
A blockchain contracting method for credit transactions, comprising the steps of:
s1, setting a plurality of trading nodes, and counting point trading data in the nodes;
s2, collecting the biological identification characteristics of the transaction node visitor, and storing the biological identification characteristic data into a storage area of the intelligent contract;
s3, packaging the point transaction data of all transaction nodes into a block in a preset time period, and constructing blocks generated successively into an Etherhouse private chain;
s4, setting an access control module on each trading node, and responding to the access of the access control module through intelligent contract chain code logic;
and S5, the access control module carries out authority management according to the biological identification characteristic data of the transaction node visitor, and when the visitor accords with the biological identification characteristic data in the intelligent contract, the access control module permits access.
Furthermore, a MongoDB database is adopted for collecting the biological identification features.
Further, the method also comprises the following steps:
s6, recording the time of the point transaction, the hash of the point transaction data and the hash of the previous block into the block head of the current block as a characteristic value; calculating the hash of the current block according to the characteristic value;
s7, downloading the block data to each trading node through the intelligent contract;
and S8, accessing the block data through the verification of the biological identification characteristic in each node, and when the visitor accords with the biological identification characteristic data in the intelligent contract in each node, the access control module permits the access.
Further, the biometric characteristic data includes a fingerprint, an iris, and facial structure light.
A storable computing device comprising a memory and a processor; the memory is used for storing a computer program; the processor, when executing the computer program, is configured to perform the method steps of any of S1-S8.
A blockchain contracting system for point transactions,
the system comprises a plurality of transaction node modules, a plurality of data processing modules and a plurality of data processing modules, wherein the node modules are used for counting point transaction data;
the system also comprises a biological characteristic acquisition module, wherein the biological characteristic acquisition module is used for acquiring the biological identification characteristics of the transaction node visitor;
the system further comprises a storable computing device, the storable computing device is connected with the biological characteristic acquisition module, the biological characteristic acquisition module sends the biological identification characteristic data to the storable computing device, and the storable computing device stores the biological identification characteristic data into a storage area of the intelligent contract;
the storable computing equipment packs the point transaction data of all the transaction node modules into a block in a preset time period, and the storable computing equipment mutually constructs the blocks generated successively into an Ethenhouse private chain;
each trading node module is provided with an access control module, and the access of the access control module is responded through intelligent contract chain code logic;
the access control module is accessed to the ether house private chain, the access control module is connected and communicated with the transaction node module, the access control module carries out authority management according to the biological identification characteristic data of the visitor recorded by the transaction node module, and when the visitor accords with the biological identification characteristic data in the intelligent contract, the access control module permits access.
Furthermore, a MongoDB database is adopted for collecting the biological identification features.
Further, the storable computing device records the time of the point transaction, the hash of the point transaction data and the hash of the previous block into the block header of the current block as a characteristic value; the storable computing device computes a hash of the current block according to the feature values; block data is downloaded to each trading node module through the intelligent contract; the block data is accessed by the verification of the biometric characteristic in each node module, and the access control module grants the access when the visitor in each node module conforms to the biometric characteristic data in the smart contract.
Further, the biometric characteristic data includes a fingerprint, an iris, and facial structure light.
When the system is used, the biological identification characteristics of the visitor are collected, and then the biological identification characteristics are stored in the storage area of the intelligent contract, so that the block chain storage cost can be reduced, the system efficiency is improved, the biological identification characteristic data is enabled to be anti-interference, and the database can be queried; the Ether house block chain is suitable for constructing a private chain, the credit transaction data cannot be tampered based on the characteristics of the block chain, the authenticity and the reliability of the credit transaction data are guaranteed, the access control module can control the authority of an accessor, when the accessor accesses the transaction node, the access is responded through the intelligent contract chain code logic, and if the accessor accords with the biological identification characteristic data stored in the intelligent contract, the access control module permits the accessor to access the transaction node; in the block chain system of the embodiment, the safety of the point transaction is guaranteed through the verification of the biological identification characteristics; when each transaction node carries out point transaction, the biological identification feature in the intelligent contract can be called at any time to verify the identity of the transaction node visitor; the transaction node can allow a plurality of different visitors to visit, and each visitor only corresponds to a single biological identification characteristic data and a single credit account belonging to the transaction node; when a certain visitor passes the verification of the access control module, the transaction node can be accessed to carry out point transaction.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In one embodiment, the present invention first provides a method for blockchain contracting for credit transactions, comprising the steps of:
s1, setting a plurality of trading nodes, and counting point trading data in the nodes;
s2, collecting the biological identification characteristics of the transaction node visitor, and storing the biological identification characteristic data into a storage area of the intelligent contract;
s3, packaging the point transaction data of all transaction nodes into a block in a preset time period, and constructing blocks generated successively into an Etherhouse private chain;
s4, setting an access control module on each trading node, and responding to the access of the access control module through intelligent contract chain code logic;
and S5, the access control module carries out authority management according to the biological identification characteristic data of the transaction node visitor, and when the visitor accords with the biological identification characteristic data in the intelligent contract, the access control module permits access.
When the embodiment is used, the set transaction nodes can be intelligent terminals set at different transaction points, an accessor operates the intelligent terminals to perform point transaction, and the transaction nodes count point transaction data;
the method can collect the biological identification characteristics of the visitor in various modes, such as a face identification module, an iris acquisition module, a fingerprint acquisition module and the like, and then store the biological identification characteristics into a storage area of an intelligent contract, so that the block chain storage cost can be reduced, the system efficiency can be improved, the biological identification characteristic data is anti-interference, and a database can be inquired;
and then packaging the point transaction data of all transaction nodes into a block within a certain preset time period, and uploading the block to the local area network, wherein the preset time period can be set according to actual conditions, for example, the preset time period can be set to 12 hours or 24 hours. The ether house block chain is suitable for construction of a private chain, the point transaction data cannot be tampered based on the characteristics of the block chain, authenticity of the point transaction data is guaranteed, when the point transaction data changes, the data cannot be matched with other blocks, the data of the whole block chain is not uniform, the block data cannot be tampered, and the point transaction data of each node cannot be tampered;
the access control module can control the authority of an accessor, is connected to the transaction node in a butting mode, responds to the access through intelligent contract chain code logic when the accessor accesses the transaction node, and permits the accessor to access the transaction node if the accessor accords with the biometric feature data stored in the intelligent contract; in the block chain system of the embodiment, the safety of the point transaction is guaranteed through the verification of the biological identification characteristics;
when each transaction node carries out point transaction, the biological identification feature in the intelligent contract can be called at any time to verify the identity of the transaction node visitor; the transaction node can allow a plurality of different visitors to visit, and each visitor only corresponds to a single biological identification characteristic data and a single credit account belonging to the transaction node; when a certain visitor passes the verification of the access control module, the transaction node can be accessed to carry out point transaction.
The distributed storage based on the block chain has non-tamper property, transaction time, time for acquiring the biological identification characteristic data, hash of the transaction data and hash of the biological identification characteristic data are added into the block head, and the transaction data and the biological identification characteristic data are added into the block body, so that all relevant data of the transaction data and the biological identification characteristic data can not be tampered.
In particular, the access control module may be a verifier of biometric features, such as a fingerprint recognizer, an iris recognizer, a facial structure light recognizer, or the like.
Preferably, the biometric features are collected using a MongoDB database. Compared with other distributed databases, the MongoDB has more storage advantages, and data can be stored in a binary Json format Bson, so that the data storage format is uniform, and the occupied size of the data is reduced.
In another embodiment, the method further comprises the steps of:
s6, recording the time of the point transaction, the hash of the point transaction data and the hash of the previous block into the block head of the current block as a characteristic value; calculating the hash of the current block according to the characteristic value;
s7, downloading the block data to each trading node through the intelligent contract;
and S8, accessing the block data through the verification of the biological identification characteristic in each node, and when the visitor accords with the biological identification characteristic data in the intelligent contract in each node, the access control module permits the access.
After a block chain is constructed according to data of point transaction, block data can be sent and downloaded to each transaction node through an intelligent contract, when an accessor carries out point transaction in any transaction node, the biological identification characteristic is firstly verified, and if the verification is passed, the access control module permits access; in the embodiment, the visitor can carry out point transaction in any transaction node, only the visitor needs to respond to the access through the intelligent contract chain code logic and verify the identity of the visitor, and each visitor only corresponds to a single biological identification feature data and a single point account belonging to the visitor.
Specifically, the biometric characteristic data includes a fingerprint, an iris, and facial structure light.
A storable computing device comprising a memory and a processor; the memory is used for storing a computer program; the processor, when executing the computer program, is configured to perform the method steps of any of S1-S8.
The invention also provides a block chain contract system for point transaction,
the system comprises a plurality of transaction node modules, a plurality of data processing modules and a plurality of data processing modules, wherein the node modules are used for counting point transaction data;
the system also comprises a biological characteristic acquisition module, wherein the biological characteristic acquisition module is used for acquiring the biological identification characteristics of the transaction node visitor;
the system further comprises a storable computing device, the storable computing device is connected with the biological characteristic acquisition module, the biological characteristic acquisition module sends the biological identification characteristic data to the storable computing device, and the storable computing device stores the biological identification characteristic data into a storage area of the intelligent contract;
the storable computing equipment packs the point transaction data of all the transaction node modules into a block in a preset time period, and the storable computing equipment mutually constructs the blocks generated successively into an Ethenhouse private chain;
each trading node module is provided with an access control module, and the access of the access control module is responded through intelligent contract chain code logic;
the access control module is accessed to the ether house private chain, the access control module is connected and communicated with the transaction node module, the access control module carries out authority management according to the biological identification characteristic data of the visitor recorded by the transaction node module, and when the visitor accords with the biological identification characteristic data in the intelligent contract, the access control module permits access.
When the system is used, the set transaction node modules can be intelligent terminals set at different transaction points, an accessor operates the intelligent terminals to perform point transaction, and the transaction node modules count point transaction data;
the method can collect the biological identification characteristics of the visitor in various modes, such as a face identification module, an iris acquisition module, a fingerprint acquisition module and the like, and then store the biological identification characteristics into a storage area of an intelligent contract, so that the block chain storage cost can be reduced, the system efficiency can be improved, the biological identification characteristic data is anti-interference, and a database can be inquired;
and then packaging the point transaction data of all transaction node modules into a block within a certain preset time period, and uploading the block to the local area network, where the preset time period may be set according to actual conditions, for example, may be set to 12 hours or 24 hours. The ether house block chain is suitable for construction of a private chain, the point transaction data cannot be tampered based on the characteristics of the block chain, authenticity of the point transaction data is guaranteed, when the point transaction data changes, the data cannot be matched with other blocks, the data of the whole block chain is not uniform, the block data cannot be tampered, and the point transaction data of each node cannot be tampered;
the access control module can control the authority of an accessor, is connected to the transaction node module in a butt joint mode, responds to the access through intelligent contract chain code logic when the accessor accesses the transaction node module, and permits the accessor to access the transaction node module if the accessor accords with the biometric feature data stored in the intelligent contract;
when each transaction node module carries out point transaction, the biological identification feature in the intelligent contract can be called at any time to verify the identity of the transaction node module visitor; the transaction node module can allow a plurality of different visitors to visit, and each visitor only corresponds to a single biological identification characteristic data and a single credit account belonging to the visitor; when a certain visitor passes the verification of the access control module, the transaction node module can be accessed to carry out point transaction.
Preferably, the biometric features are collected using a MongoDB database. Compared with other distributed databases, the MongoDB has more storage advantages, and data can be stored in a binary Json format Bson, so that the data storage format is uniform, and the occupied size of the data is reduced.
Further, the storable computing device records the time of the point transaction, the hash of the point transaction data and the hash of the previous block into the block header of the current block as a characteristic value; the storable computing device computes a hash of the current block according to the feature values; block data is downloaded to each trading node module through the intelligent contract; the block data is accessed by the verification of the biometric characteristic in each node module, and the access control module grants the access when the visitor in each node module conforms to the biometric characteristic data in the smart contract.
After a block chain is constructed according to data of point transaction, the block data can be sent and downloaded to each transaction node module through an intelligent contract, when an accessor carries out point transaction in any transaction node module, the biological identification characteristic is firstly verified, and if the verification is passed, the access control module permits access; in the embodiment, the visitor can carry out point transaction in any transaction node module, only the visitor needs to respond to the access through the intelligent contract chain code logic and verify the identity of the visitor, and each visitor only corresponds to a single biological identification feature data and a single point account belonging to the visitor.
Further, the biometric characteristic data includes a fingerprint, an iris, and facial structure light.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. A method of blockchain contracting for credit transactions, comprising: the method comprises the following steps:
s1, setting a plurality of trading nodes, and counting point trading data in the nodes;
s2, collecting the biological identification characteristics of the transaction node visitor, and storing the biological identification characteristic data into a storage area of the intelligent contract;
s3, packaging the point transaction data of all transaction nodes into a block in a preset time period, and constructing blocks generated successively into an Etherhouse private chain;
s4, setting an access control module on each trading node, and responding to the access of the access control module through intelligent contract chain code logic;
and S5, the access control module carries out authority management according to the biological identification characteristic data of the transaction node visitor, and when the visitor accords with the biological identification characteristic data in the intelligent contract, the access control module permits access.
2. The method of claim 1, wherein:
and collecting the biological identification features by adopting a MongoDB database.
3. The method of claim 2, wherein: further comprising the steps of:
s6, recording the time of the point transaction, the hash of the point transaction data and the hash of the previous block into the block head of the current block as a characteristic value; calculating the hash of the current block according to the characteristic value;
s7, downloading the block data to each trading node through the intelligent contract;
and S8, accessing the block data through the verification of the biological identification characteristic in each node, and when the visitor accords with the biological identification characteristic data in the intelligent contract in each node, the access control module permits the access.
4. A blockchain contracting method for credit transaction as claimed in claim 3, wherein:
the biometric characteristic data includes a fingerprint, an iris, and facial structured light.
5. A storable computing device characterized by:
the storable computing device comprises a memory and a processor; the memory is used for storing a computer program; the processor, when executing the computer program, is adapted to carry out the method steps of any of claims 1-4.
6. A blockchain contracting system for point transactions, comprising:
the system comprises a plurality of transaction node modules, a plurality of data processing modules and a plurality of data processing modules, wherein the node modules are used for counting point transaction data;
the system also comprises a biological characteristic acquisition module, wherein the biological characteristic acquisition module is used for acquiring the biological identification characteristics of the transaction node visitor;
the system further comprises a storable computing device, the storable computing device is connected with the biological characteristic acquisition module, the biological characteristic acquisition module sends the biological identification characteristic data to the storable computing device, and the storable computing device stores the biological identification characteristic data into a storage area of the intelligent contract;
the storable computing equipment packs the point transaction data of all the transaction node modules into a block in a preset time period, and the storable computing equipment mutually constructs the blocks generated successively into an Ethenhouse private chain;
each trading node module is provided with an access control module, and the access of the access control module is responded through intelligent contract chain code logic;
the access control module is accessed to the ether house private chain, the access control module is connected and communicated with the transaction node module, the access control module carries out authority management according to the biological identification characteristic data of the visitor recorded by the transaction node module, and when the visitor accords with the biological identification characteristic data in the intelligent contract, the access control module permits access.
7. The blockchain contract system for points trading of claim 6, wherein:
and collecting the biological identification features by adopting a MongoDB database.
8. The blockchain contract system for points trading of claim 7, wherein:
the storable computing device records the time of the point transaction, the hash of the point transaction data and the hash of the last block into the block head of the current block as a characteristic value; the storable computing device computes a hash of the current block according to the feature values; block data is downloaded to each trading node module through the intelligent contract; the block data is accessed by the verification of the biometric characteristic in each node module, and the access control module grants the access when the visitor in each node module conforms to the biometric characteristic data in the smart contract.
9. The blockchain contract system for points trading of claim 8, wherein:
the biometric characteristic data includes a fingerprint, an iris, and facial structured light.
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| CN202010437026.8A CN111553703A (en) | 2020-05-21 | 2020-05-21 | Block chain contract method and system for point transaction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116956346A (en) * | 2023-07-25 | 2023-10-27 | 珠海市辰宇智能技术有限公司 | Transaction data safety supervision system and method based on big data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116956346A (en) * | 2023-07-25 | 2023-10-27 | 珠海市辰宇智能技术有限公司 | Transaction data safety supervision system and method based on big data |
| CN116956346B (en) * | 2023-07-25 | 2024-01-26 | 珠海市辰宇智能技术有限公司 | Transaction data safety supervision system and method based on big data |
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Application publication date: 20200818 |