CN109829824B - Commodity transaction information sharing method based on block chain technology - Google Patents
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Abstract
The invention discloses a commodity transaction information sharing method based on a block chain technology, which comprises the following steps: building an original block group, generating a new block by newly added user or information data, and forming a block chain by the new block and the original block; writing an intelligent contract in the block chain, generating a transaction instruction when transaction parties initiate transaction requests, and simultaneously storing new transaction data into a newly generated information intermediate storage area block; in the whole flowing process of the commodity, commodity information and flowing information in each step of flowing are stored in a newly generated information intermediate storage area block; according to the method, all information of commodity transaction can be easily inquired by each participant on a commodity transaction chain by arranging a sharing third party, so that commodity transaction information is shared more sufficiently, and meanwhile, by node classification and timestamps, each participant can conveniently inquire and supervise transaction data.
Description
Technical Field
The invention relates to the field of block chains, in particular to a commodity transaction information sharing method based on a block chain technology.
Background
The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm. In a narrow sense, a blockchain is a chain data structure formed by combining data blocks in a sequential connection mode according to a time sequence, and is a distributed ledger which is guaranteed in a cryptographic mode and cannot be tampered and forged.
The existing electronic transaction system for bulk commodities is carried out by a bulk commodity electronic transaction platform which is operated by a market operator, wherein the platform provides supporting services such as commodity transaction, public information, comprehensive logistics, delivery warehouse, financial service and the like, and the services of various aspects such as transaction, goods delivery, storage, information release, risk control and the like related to the bulk commodity transaction are delivered to professional institutions such as a transaction platform, a designated delivery warehouse, a third-party warehouse bill public institution, a third-party fund clearing institution and a third-party fund storage and management bank, and the bulk commodity transaction is carried out according to respective division and responsibility by respectively using respective service systems under unified service rules. When electronic trading of commodities is performed, in order to ensure the reliability and validity of the trading, the trading information needs to be shared.
The existing commodity transaction information sharing method is generally to make transaction information of both transaction parties transparent, and simultaneously to add identifiers to the commodities and the flowing process of the commodities one by one in the transaction process, and specific information of the commodities and the flowing of the commodities can be inquired through the identifiers.
However, the existing commodity transaction information sharing method has the following defects:
(1) most of all participants on a commodity transaction chain are in an information isolated island state, and data are difficult to interact, so that information sharing is insufficient, and transaction information is easily tampered by a single party, which is not beneficial to quality guarantee and fidelity of commodities;
(2) the flow steps of the commodities in the transaction process are very various, and information data required to be shared are also very complicated, so that inquiry and supervision of all parties are not facilitated, and when a transaction problem occurs, transaction tracing is difficult to perform, and tracing and problem solving are not facilitated.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a commodity transaction information sharing method based on a block chain technology, which enables all participants on a commodity transaction chain to easily inquire all information of commodity transaction by setting a sharing third party, so that the commodity transaction information is more fully shared, and the transaction information can be prevented from being tampered by a single party on the transaction chain.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a commodity transaction information sharing method based on a block chain technology comprises the following steps:
s100, building an original family selling block group, a family buying block group, a middle participant block group, an information middle storage block group and a third party block group, generating a new block by newly added users or information data according to classification, and forming a block chain by the new block and the original block;
s200, writing an intelligent contract in a block chain, generating a transaction instruction when two transaction parties initiate a transaction request, and simultaneously storing new transaction data into a newly generated information intermediate storage block, wherein each transaction data corresponds to a unique transaction ID and is added with a timestamp;
s300, in the whole flow process of the commodity, commodity information and flow information in each flow step are stored in a newly generated information intermediate storage area block, and an intermediate ID added with a time stamp is generated;
s400, when two transaction parties initiate a transaction request and generate a transaction instruction, a new third-party block and a third-party block verification code are generated at the same time, the third-party block verification code is automatically published into the block chain network, and in addition, the unique transaction ID generated in the transaction process of the commodity and the intermediate ID generated in the flow process are stored in the third-party block.
Further, in step S100, the specific steps of generating a new tile by the newly added user are:
s101, a newly added user registers information in a block chain system and carries out reliable identity verification through an identity card;
s102, after the identity authentication is finished, the block chain system stores the user information into a new block, and divides the new block into different block groups according to the user identity;
s103, after each user finishes registration, the block chain system issues a group of public and private keys for selective encryption of personal information;
and S104, the newly added user enters into an agreement with a credit bank authorized by the blockchain system, and the virtual currency and legal currency are exchanged according to the consensus proportion of all parties in the blockchain.
Further, the blockchain system assigns a digital identifier to each of the original user and the added user, which is used for corresponding to the unique user identity, and the intermediate ID generated when the product flows through the intermediate participants automatically adds a prefix and a suffix, wherein the prefix is the digital identifier of the previous intermediate participant or the seller, and the suffix is the digital identifier of the intermediate participant or the buyer to which the product is going to flow.
Further, in step S200,
when the two transaction parties initiate transaction requests and generate transaction instructions, the blockchain system creates transaction data according to the transaction instructions and creates a unique commodity ID for the transaction commodities;
when the commodity ID is generated, the block chain system can automatically generate an activation code according to the commodity ID, and a new information intermediate storage block and a new third-party block are generated in the block chain as an activation condition;
the newly generated information intermediate storage block and the third party block both take the corresponding commodity ID as a storage instruction and are provided with a distinguishing suffix;
all transaction data, commodity information and flow information under the commodity ID are stored into the corresponding information intermediate storage area block through a storage instruction, and all intermediate IDs and unique transaction IDs under the commodity ID are stored into the corresponding third party block through the storage instruction.
Further, in step S400, the third party block verification code is bound with the commodity ID, and both the transaction party, the intermediate participant and the supervisor can obtain the third party block verification code corresponding to the transaction commodity through the commodity ID or from the block chain network, query the content stored in the corresponding third party block, and query the commodity information, the transaction data and the flow information stored in the information intermediate storage block through the unique transaction ID and the intermediate ID stored in the third party block.
Further, in step S200, when the two transaction parties initiate transaction requests and reach a transaction agreement, the blockchain system sends a transaction confirmation to the two transaction parties, and if the two transaction parties confirm, the system transfers the agreed amount of virtual coins under the buyer account to the seller account, and supervises the seller sending the goods and the flow of the goods, and meanwhile, sends the transaction information to the blockchain network.
Further, the third party block verification code and the transaction information sent to the block chain network are stored in a plurality of nodes in the original information intermediate storage block group, and are added with time stamps.
Further, when two trading parties reach a trade, the blockchain system creates and deploys an order contract, the order contract flows along with the commodities, and the seller and the intermediate participants perform contract supplementation and improvement in the flowing process.
Further, in step S103, the user may classify the personal information and encrypt the personal information with a public key and a private key respectively, the public key is published in the blockchain network, when other users access, the system automatically calls the public key to access, and only can access the information encrypted by the public key, and the private key is stored by the user, and only the information encrypted by the private key can be accessed by verification or by the user.
Furthermore, when the data are stored and written, the data are subjected to Hash processing, in the flow process of the commodity, the Hash value of the information of the commodity subjected to Hash processing is kept unchanged, and if the Hash value is changed, the problem of the commodity can be judged.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, by arranging the sharing third party, all the information of commodity transaction can be easily inquired by each participant on the commodity transaction chain, so that the commodity transaction information is more fully shared, the transaction information can be prevented from being tampered by a single party on the transaction chain, and the quality and the fidelity of commodities are guaranteed;
(2) according to the invention, through node classification and timestamp of the block chain, various transaction data can be conveniently inquired and monitored by each party, so that the transparency of the transaction is favorably improved, the transaction tracing is convenient, and the responsibility tracing and the transaction problem solving are favorably realized.
Drawings
Fig. 1 is a schematic view of the overall flow structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a method for sharing commodity transaction information based on a blockchain technology, comprising the following steps:
step S100, an original family selling block group, a family buying block group, a middle participant block group, an information middle storage block group and a third party block group are set up, new blocks are generated by newly added users or information data according to classification, the new blocks and the original blocks form a block chain, and the original blocks are divided into different block groups, so that management of different users and data can be facilitated.
In step S100, the specific steps of generating a new tile by the newly added user are:
and S101, the newly added user registers information in the block chain system and carries out reliable identity verification through an identity card.
Step S102, after the identity authentication is completed, the block chain system stores the user information into a new block, and divides the new block into different block groups according to the user identity.
Step S103, after each user completes registration, the blockchain system issues a group of public and private keys for selective encryption of personal information.
In step S103, the user can classify the personal information, one can disclose all people, the other can selectively disclose, and encrypt with the public key and the private key respectively, the public key is published in the blockchain network, when other users access, the system automatically calls the public key to access, and can only access the information encrypted by the public key, the private key is stored by the user, the information encrypted by the private key can only be accessed by verification or by the user, and the verification mode is selected and formulated by the user.
And step S104, the newly added user agrees with a credit bank authorized by the blockchain system, the virtual currency and the legal currency are exchanged according to the proportion of the consensus of all the parties in the blockchain, the consensus is participated, namely all the node users participating in the blockchain agree with the consensus and cannot be falsified, the damage to the benefit of the user is avoided, before the transaction, the user can exchange the equivalent virtual currency with the legal currency and use the virtual currency to perform commodity transaction, and meanwhile, the virtual currency can also be extracted.
And S200, writing an intelligent contract in a block chain, generating a transaction instruction when two transaction parties initiate a transaction request, simultaneously storing new transaction data into a newly generated information intermediate storage area block, wherein each transaction data corresponds to a unique transaction ID and is added with a time stamp, and the unique transaction ID can be prevented from being tampered by setting the time stamp.
Step S300, in the whole commodity circulation process, commodity information and circulation information in each step of commodity circulation are stored in a newly generated information intermediate storage area block, and an intermediate ID added with a time stamp is generated.
In step S200, when the two parties of the transaction initiate a transaction request and generate a transaction instruction, the blockchain system creates transaction data according to the transaction instruction and creates a unique commodity ID for the transaction commodity, where the commodity ID may be a combination of numbers and letters. And is generated according to the commodity transaction sequence.
When the commodity ID is generated, the block chain system can automatically generate an activation code according to the commodity ID, and a new information intermediate storage block and a new third party block are generated in the block chain as an activation condition.
The newly generated information intermediate storage block and the third-party block both use the corresponding commodity ID as a storage instruction and are provided with a distinguishing suffix, for example, one storage instruction is XXXXXXX.1, and the other storage instruction is XXXXXXX.2, so that different storage contents are classified and stored, and meanwhile, each piece of information of the corresponding commodity can be rapidly and accurately stored in a correct block.
All transaction data, commodity information and flow information under the commodity ID are stored into the corresponding information intermediate storage area block through a storage instruction, and all intermediate IDs and unique transaction IDs under the commodity ID are stored into the corresponding third party block through the storage instruction.
In step S200, when the two transaction parties initiate transaction requests and reach a transaction agreement, the blockchain system sends a transaction confirmation to the two transaction parties, and if both transaction parties confirm, the system transfers the agreed amount of virtual coins under the buyer account to the seller account, and supervises the seller sending the commodities and the flow of the commodities, and at the same time, sends transaction information to the blockchain network, and if both transaction parties do not confirm, the transaction is cancelled.
When two transaction parties reach a transaction, the blockchain system creates and deploys an order contract, the order contract comprises commodity information, commodity price, buyer address, logistics information, inspection information and the like, the order contract flows along with the commodity, and is supplemented and perfected by sellers and intermediate participants in the flowing process, the commodity information, the commodity price, the buyer address and the like are filled by the sellers, the logistics information, the inspection information and the like are filled by the intermediate participants, and the transaction is favorably supervised and authenticated through the order contract.
The blockchain system allocates a segment of digital identifier to each original user and each newly added user, which is used for corresponding to a unique user identity, the intermediate ID generated when the commodity flows through the intermediate participants can be automatically added with a prefix and a suffix, the prefix is the digital identifier of the previous intermediate participant or seller, the suffix is the digital identifier of the intermediate participant or buyer to which the commodity will flow, for example, the digital identifiers of the seller, each intermediate participant and the buyer respectively are 100000, 100001, 100002 and 100003 during the commodity flowing process, the original intermediate IDs generated when the commodity flows through the intermediate participants are 200001 and 200002, the finally generated intermediate IDs are 100000.200001.100002 and 100001.200002.100003, by adding the prefix and the suffix on the intermediate ID, the commodity flowing can be conveniently traced and queried, so that when a transaction or commodity problem occurs, the occurrence point of the commodity or the problem can be quickly found, is beneficial to tracing responsibility or solving transaction problems.
Step S400, when two transaction parties initiate a transaction request and generate a transaction instruction, a new third-party block and a third-party block verification code are generated at the same time, the third-party block verification code is automatically published into the block chain network, and in addition, the unique transaction ID generated in the transaction process of the commodity and the intermediate ID generated in the flow process are stored in the third-party block.
In step S400, the third party block verification code is bound with the commodity ID, and both the transaction party, the intermediate participant and the supervisor can obtain the third party block verification code corresponding to the transaction commodity through the commodity ID or from the block chain network, query the content stored in the corresponding third party block through the third party block verification code, and query the commodity information, the transaction data and the flow information stored in the information intermediate storage block through the unique transaction ID and the intermediate ID stored in the third party block.
Through setting up the third party block, make transaction both sides, middle participant and supervisor can all be through the quick basic information of inquiry commodity of commodity ID, transaction information and flow information, thereby make each folk prescription of commodity in transaction process can not be in the isolated island state, make the sharing of commodity transaction information more abundant, and can avoid the folk prescription to falsify transaction information on the trade chain, be favorable to the guarantee quality fidelity of commodity, and simultaneously, when supervising the transaction, can make things convenient for the supervisor in numerous and diverse commodity transaction information, the required transaction information of quick finding, be favorable to improving the transparency of transaction, convenient supervision.
The third-party block verification code and the transaction information sent to the block chain network can be stored in a plurality of nodes in the original information intermediate storage block group, the time stamps are added, and all users can find the required transaction information or the third-party block verification code in the information intermediate storage block through the time stamps.
When data are stored and written, the data are all subjected to Hash processing, in the process of flowing of the commodity, the Hash value of commodity information after the Hash processing is kept unchanged, if the Hash value is changed, the problem of the commodity can be judged, the Hash processing is to convert an input with any length into an output with a fixed length through a Hash algorithm, the conversion is compression mapping, namely, the space of a Hash value is usually far smaller than the space of the input, through the Hash processing of the data, the occupied space of the data can be reduced, the data can be encrypted, the data is prevented from being tampered, and meanwhile, due to the fact that the data with the same Hash value are changed, even if the file name is changed, the content is definitely the same, therefore, in the process of flowing of the commodity, if the Hash value describing the commodity information is changed, the problem of the commodity can be judged, and the commodity inspection is facilitated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A commodity transaction information sharing method based on a block chain technology is characterized by comprising the following steps:
s100, building an original family selling block group, a family buying block group, a middle participant block group, an information middle storage block group and a third party block group, generating a new block by newly added users or information data according to classification, and forming a block chain by the new block and the original block;
s200, writing an intelligent contract in a block chain, generating a transaction instruction when two transaction parties initiate a transaction request, and simultaneously storing new transaction data into a newly generated information intermediate storage block, wherein each transaction data corresponds to a unique transaction ID and is added with a timestamp;
s300, in the whole flow process of the commodity, commodity information and flow information in each flow step are stored in a newly generated information intermediate storage area block, and an intermediate ID added with a time stamp is generated;
s400, when two transaction parties initiate a transaction request and generate a transaction instruction, a new third-party block and a third-party block verification code are generated at the same time, the third-party block verification code is automatically published into a block chain network, and in addition, a unique transaction ID generated in the transaction process of the commodity and an intermediate ID generated in the flow process are stored in the third-party block;
in the step S200 of the present embodiment,
when the two transaction parties initiate transaction requests and generate transaction instructions, the blockchain system creates transaction data according to the transaction instructions and creates a unique commodity ID for the transaction commodities;
when the commodity ID is generated, the block chain system can automatically generate an activation code according to the commodity ID, and a new information intermediate storage block and a new third-party block are generated in the block chain as an activation condition;
the newly generated information intermediate storage block and the third party block both take the corresponding commodity ID as a storage instruction and are provided with a distinguishing suffix;
all transaction data, commodity information and flow information under the commodity ID are stored into the corresponding information intermediate storage area block through a storage instruction, and all intermediate IDs and unique transaction IDs under the commodity ID are stored into the corresponding third party block through the storage instruction.
2. The method as claimed in claim 1, wherein in step S100, the step of generating a new block by the newly added user comprises:
s101, a newly added user registers information in a block chain system and carries out reliable identity verification through an identity card;
s102, after the identity authentication is finished, the block chain system stores the user information into a new block, and divides the new block into different block groups according to the user identity;
s103, after each user finishes registration, the block chain system issues a group of public and private keys for selective encryption of personal information;
and S104, the newly added user enters into an agreement with a credit bank authorized by the blockchain system, and the virtual currency and legal currency are exchanged according to the consensus proportion of all parties in the blockchain.
3. The method as claimed in claim 1, wherein the method comprises: the blockchain system allocates a digital identifier to each of the original user and the added user, the digital identifiers corresponding to unique user identities, and the intermediate ID generated when the product flows through the intermediate participants automatically adds a prefix and a suffix, wherein the prefix is the digital identifier of the previous intermediate participant or the seller, and the suffix is the digital identifier of the intermediate participant or the buyer to which the product is going to flow.
4. The method as claimed in claim 1, wherein the method comprises: in step S400, the third party block verification code is bound to the commodity ID, and both the transaction party, the intermediate participant and the supervisor can obtain the third party block verification code corresponding to the transaction commodity through the commodity ID or from the block chain network, query the content stored in the corresponding third party block, and query the commodity information, the transaction data and the flow information stored in the intermediate storage block through the unique transaction ID and the intermediate ID stored in the third party block.
5. The method as claimed in claim 1, wherein the method comprises: in step S200, when the two transaction parties initiate transaction requests and reach a transaction agreement, the blockchain system sends a transaction confirmation to the two transaction parties, and if the two transaction parties both confirm, the system transfers the agreed amount of virtual coins under the buyer account to the seller account, and supervises the seller sending the goods and the flow of the goods, and simultaneously sends the transaction information to the blockchain network.
6. The method as claimed in claim 1, wherein the method comprises: and the third-party block verification code and the transaction information sent to the block chain network are stored in a plurality of nodes in the original information intermediate storage block group, and are added with time stamps.
7. The method as claimed in claim 1, wherein the method comprises: when two transaction parties reach a transaction, the blockchain system creates and deploys an order contract, the order contract flows along with commodities, and the seller and the intermediate participants perform contract supplementation and improvement in the flowing process.
8. The method as claimed in claim 2, wherein the method comprises: in step S103, the user can classify the personal information and encrypt the personal information with a public key and a private key respectively, the public key is published in the blockchain network, when other users access, the system automatically calls the public key to access, and only the information encrypted by the public key can be accessed, and the private key is stored by the user, and only the information encrypted by the private key can be accessed by authentication or user authentication.
9. The method as claimed in claim 1, wherein the method comprises: when the data are stored and written, the data are all subjected to Hash processing, in the flow process of the commodity, the Hash value of the information of the commodity after the Hash processing is kept unchanged, and if the Hash value is changed, the problem of the commodity can be judged.
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