CN108694584A - A kind of method and system that the grain security based on block chain is traced to the source with excitation - Google Patents
A kind of method and system that the grain security based on block chain is traced to the source with excitation Download PDFInfo
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Abstract
It traces to the source the present invention relates to a kind of grain security based on block chain and the method and system of excitation, the present invention receives grain for silo, be able to know that accurate grain provenance;For buyer agent, them can be encouraged to be managed by honesty, obtain the credit appraisal of each side's approval, to preferably receive grain;For peasant household, certain Market Feedback and bonus can be obtained, encourages they are good and fast to submit grain, the buyer agent for looking for prestige high sells grain, constantly improves planting technology, and select better breeding;For supervision department and terminal user, product traceability can be used, come inquire grain raw material it is specific store up, circulation process;For cereal product manufacturing enterprise, they can obtain complete grain stream revolution evidence, improve its market competitiveness;It, can be by rewarding token so that relevant grain subsidy plays the effect got twice the result with half the effort, and makes the maximization of economic benefit of subsidy for grain department.
Description
Technical field
The present invention relates to grain block chain technical field, specifically a kind of grain security based on block chain trace to the source with
The method and system of excitation.
Background technology
It is typically all that buyer agent purchases grain to peasant household there at present.Grain is transported to grain depot by buyer agent again to store up.This
In one link, grain depot is not very clear that the grain of buyer agent wherefrom comes.Simultaneously as not enough numbers approved in many ways
According to the credit appraisal of buyer agent can not establish.Cereal product on the market at present, can not also trace to the source substantially.So that consumer without
Method generates confidence to the original source of the product.When there is safety problem, which step regulator also can not accurately investigate
The problem of generation.
Meanwhile the related subsidy of grain department, it is typically directed to a certain item or some group, entire production can not be directed to
Related link in industry chain is precisely subsidized, and incentive action is single.Subsidy securely deliver itself and one take it is bothersome
High cost process.
Based on this, for limitation present in above-mentioned present situation, the present invention proposes a kind of convenient for supervision, transparent disclosure
Change, the evaluation that can build one's credit, trace to the source grain source and encourage peasant household and manufacturing enterprise work efficiency based on block chain
The method and system that grain security is traced to the source with excitation.
Invention content
In order to solve above-mentioned problems of the prior art, the present invention provide it is a kind of convenient for supervision, it is transparent come into the open, energy
Enough build one's credit evaluation, trace to the source and grain source and the grain based on block chain of peasant household and manufacturing enterprise work efficiency encouraged to pacify
The full method and system traced to the source with excitation.
The technical solution adopted by the present invention to solve the technical problems is:
The first aspect that the present invention illustrates is related to a kind of method that the grain security based on block chain is traced to the source with excitation, including
Following steps:
S1, it establishes by supervising platform, purchase platform, store up the block that platform, manufacturing enterprise's platform and consumer form
Chain network;
S2, the record submitted according to the network node application for storing up platform trigger the intelligent contract in block chain, the intelligence
Energy contract includes receiving grain contract and outbound contract, if intelligent contract is receipts grain contract, goes to step S3, if intelligent contract is
Library contract then goes to step S4;
If S3, intelligent contract are to receive grain contract, be calculated on purchase platform the credit value of corresponding buyer agent and
The buyer agent corresponds to the reward token of peasant household, while deciding whether to generate new block chain by storing up platform and supervising platform
It is connected in corresponding chain network;
If S4, intelligent contract are outbound contract, obtain corresponding manufacturing enterprise on manufacturing enterprise's platform and complete after producing
Final goods dispense information;
S5, block chain network obtain data inquiry request and feed back in contract corresponding with the data inquiry request and wrapped
The data of tracing to the source contained;
S6, consumer can make evaluation feedback according to the data of tracing to the source of acquisition, trigger the satisfaction feedback in block chain
Contract, according to the evaluation feedback information of consumer, for the excellent evaluation feedback information commented, other network nodes can be to peasant household's branch
Pay certain reward token.
On the basis of the method that a kind of grain security based on block chain described in first aspect is traced to the source and encouraged, this hair
The second aspect of bright illustration is, in the step S2, the intelligence contract further includes pre- purchase contract, specially:
S201, buyer agent propose to receive grain to peasant household;
S202, buyer agent are uploaded to grain information is received in block chain by buyer agent's terminal in buyer agent's node;
S203, block chain send pre- purchase contract to peasant household's terminal, while sending the corresponding pre- purchase contract that generates and corresponding to
Reward token information.
On the basis of the method that a kind of grain security based on block chain described in second aspect is traced to the source and encouraged, this hair
The third aspect of bright illustration is that the step S3 is specially:
S301, buyer agent will be sent to the grain depot stored up on platform at the appointed time on grain, then go to step S302, if
It is overdue not hand over, then go to step S303;
Purchase is completed information and is uploaded to block chain by S302, grain depot, is generated purchase contract, is increased the credit value of buyer agent,
And to corresponding reward token is filled in the account of corresponding peasant household, purchase terminates;
S303, the certain credit value of buyer agent is deducted, if buyer agent hands over grain, grain depot to decide whether to continue to purchase after time-out,
If can if go to step S302, and reward token is reduced to the 1/3 of initial value, if not purchasing, purchases termination.
On the basis of the method that a kind of grain security based on block chain described in the third aspect is traced to the source and encouraged, this hair
The fourth aspect of bright illustration is that in the step S3, the computational methods for rewarding token are specially:
M=T*Q*C*T,
Wherein, M is the practical reward token obtained of the every transaction of peasant household, and T is the grain amount of transaction, and Q is grain quality system
Number, C are buyer agent's credit coefficient, and T is that buyer agent submits grain depot time coefficient.
On the basis of the method that a kind of grain security based on block chain described in first aspect is traced to the source and encouraged, this hair
5th aspect of bright illustration is that in the step S6, the computational methods for rewarding token are specially:
Bonus=S*amount,
Wherein, bonus is the reward token that other network nodes are paid to peasant household, and S is satisfaction, and amount is transaction
Amount.
On the basis of the method that a kind of grain security based on block chain described in first aspect is traced to the source and encouraged, this hair
6th aspect of bright illustration is, is carried out by relevant network node in corresponding flow whether the completion of the intelligent contract of triggering true
Recognize, if reaching common understanding, come into force with the relevant account book of intelligent contract, if not reaching common understanding, with the relevant account book of intelligent contract
Failure.
The 7th aspect that the present invention illustrates is related to a kind of system that the grain security based on block chain is traced to the source with excitation, packet
It includes:
Purchase plateform system, including Web modules, user management module, credit management module, sending out notice module, transaction
Module, the first account management module and the first PeerNode block chain interfaces, the Web modules for providing for peasant household and
Two kinds of service interfaces of buyer agent, the user management module are used for managing users registration and identity information, the credit pipe
Reason module is used to manage and record the credit value of buyer agent, and the sending out notice module is used for relevant flat to peasant household's terminal push
Platform notifies that the transaction modules are led to for generating corresponding receipts grain Transaction Information and calling the first PeerNode block chain interfaces
It crosses gRPC agreements and writes information into block chain, first account management module is used to manage the reward token relationship trading of user
Action will reward token transactions information by the first PeerNode block chains interface and block chain, the first PeerNode is written
Block chain interface is used for the basic calling SDK of block chain Peer nodes communication;
It stores up plateform system, including export management module, stores up management module, the second account management module and second
PeerNode block chain interfaces, the management module of storing up is for receiving the Transaction Information and purchase flat that purchase plateform system is sent
Platform system triggers generation and receives grain contract jointly, and the export management module is write when selling grain to grain-production enterprise for silo
Enter corresponding export information to block chain, and generate the unique code of corresponding batch, second account management module is for managing
The reward token relationship trading of user acts, and token transactions information write area will be rewarded by the 2nd PeerNode block chains interface
Block chain, the 2nd PeerNode block chain interfaces are used for the basic calling SDK of block chain Peer nodes communication;
Manufacturing enterprise's platform, including purchase control module, packing shipping management module, third account management module and third
PeerNode block chain interfaces, the purchase control module take the information stocked up from silo for manufacturing enterprise from block chain
The supply platform chain for going out and docking enterprise preserves the unique code of the batch, and common triggering is communicated with export management module and is generated
Library contract, the packing shipping management module is used for, and final product packaging batch number and the unique code of silo batch stocked up is right
It should be stored in block chain, and provide the consumer with the interface and web interface of product traceability, and trigger generation jointly with consumer
Satisfaction feeds back contract, and the third account management module is formulated according to the evaluation feedback information of consumer for manufacturing enterprise and sought
Incentive measure is sold, is filled with corresponding reward token to corresponding peasant household's account, the 3rd PeerNode block chain interfaces are used for
The basic calling SDK of block chain Peer nodes communication;And
Supervising platform system, including inquire module of tracing to the source, the 4th account management module and the link of the 4th PeerNode blocks
Mouthful, the module of tracing to the source of inquiring is used for according to product identification come the information of tracing to the source of call area block chaining mouth and inquiry grain, institute
The 4th account management module is stated for the corresponding policy according to subsidy, formulates corresponding exchange contract, the prize on block chain
Encourage token user's redeeming winnings;
Wherein, the purchase plateform system, store up plateform system, manufacturing enterprise's platform and supervising platform system and pass through correspondence
PeerNode block chain interfaces and each terminal form block chain network.
On the basis of the system that a kind of grain security based on block chain described in the 7th aspect is traced to the source and encouraged, this hair
The eighth aspect of bright illustration is that the credit management module is by calling the first PeerNode block chain interfaces to be stored in area to inquire
Info class in block chain calculates the credit value of buyer agent.
Compared with prior art, the beneficial effects of the invention are as follows:
1, grain is received for silo, is able to know that accurate grain provenance.
2, for buyer agent, them can be encouraged to be managed by honesty, obtains the credit appraisal of each side's approval, to more preferable
Receipts grain.
3, for peasant household, certain Market Feedback and bonus can be obtained, encourages they are good and fast to submit grain, looks for
The high buyer agent of prestige sells grain, constantly improves planting technology, and select better breeding.
4, for supervision department and terminal user, product traceability can be used, specific store up, flow inquire grain raw material
Turn over journey.
5, for cereal product manufacturing enterprise, they can obtain complete grain stream revolution evidence, improve its market competition
Power.
It 6, can be by rewarding token for grain department so that relevant grain subsidy plays the effect got twice the result with half the effort,
Make the maximization of economic benefit of subsidy.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the flow diagram of the present invention;
Fig. 2 is the flow frame diagram of the present invention;
Fig. 3 is the frame diagram of system in the present invention;
Fig. 4 is the flow diagram that scene is purchased in the present invention;
Fig. 5 is that reward token is transferred accounts algorithm flow schematic diagram in the present invention;
Fig. 6 is to store up process algorithm flow diagram in the present invention;
Fig. 7 is outbound subpackage flow diagram in the present invention;
Fig. 8 is flow diagram of tracing to the source in the present invention.
Reference numeral is as follows:
1, plateform system is purchased, 11, Web modules, 12, user management module, 13, credit management module, 14, sending out notice
Module, 15, module, the 16, first account management module, the 17, the first PeerNode block chain interfaces, 2, store up plateform system, 21,
Store up management module, 22, export management module, the 23, second account management module, the 24, the 2nd PeerNode block chain interfaces, 3,
Manufacturing enterprise's platform, 31, purchase control module, 32, packing goods discharging module, 33, third account management module, 34, third
PeerNode block chain interfaces, 4, supervising platform system, 41, inquiry trace to the source module, the 42, the 4th account management module, the 43, the 4th
PeerNode block chain interfaces.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As depicted in figs. 1 and 2, the method that a kind of grain security based on block chain of the present invention is traced to the source and encouraged,
Include the following steps:
S1, it establishes by supervising platform, purchase platform, store up the block that platform, manufacturing enterprise's platform and consumer form
Chain network;
S2, the record submitted according to the network node application for storing up platform trigger the intelligent contract in block chain, the intelligence
Energy contract includes receiving grain contract and outbound contract, if intelligent contract is receipts grain contract, goes to step S3, if intelligent contract is
Library contract then goes to step S4;
If S3, intelligent contract are to receive grain contract, be calculated on purchase platform the credit value of corresponding buyer agent and
The buyer agent corresponds to the reward token of peasant household, while deciding whether to generate new block chain by storing up platform and supervising platform
It is connected in corresponding chain network;
If S4, intelligent contract are outbound contract, obtain corresponding manufacturing enterprise on manufacturing enterprise's platform and complete after producing
Final goods dispense information;
S5, block chain network obtain data inquiry request and feed back in contract corresponding with the data inquiry request and wrapped
The data of tracing to the source contained;
S6, consumer can make evaluation feedback according to the data of tracing to the source of acquisition, trigger the satisfaction feedback in block chain
Contract, according to the evaluation feedback information of consumer, for the excellent evaluation feedback information commented, other network nodes can be to peasant household's branch
Pay certain reward token.
In the above-mentioned technical solutions, the outbound information includes the time, quantity, place of departure, manufacturing enterprise's number etc., described
It is a kind of token spread in block chain of the present invention to reward token, and peasant household is sold by the high buyer agent of credit to national grain depot
Grain, and the reward token obtained.Grain department irregular can formulate some and exchange plan so that reward token can have
Certain official's cashability.
Token is rewarded, it can the free flow in this block catenary system.This so that buyer agent can remove in purchase link
Purchase peasant household grain is unexpected, can also purchase the reward token of peasant household.Save what peasant household individual exchanged to grain department in this way
Cumbersome flow.But also the exchange workload of grain department greatly reduces, efficiency is improved.
When consumer trace to the source inquiry, wisdom chain and producer can collect the evaluation feedback of consumer simultaneously
Information.For high-quality, the product of favorable comment, enterprise or other mechanisms can pay certain reward reward token to peasant household, use
To encourage peasant household to continue holding and improve quality, the mouthfeel of grain.In this way, by this effective feedback and incentive measure, it can
High-quality seed rice and scientic planting are selected with practical excitation peasant household
When it is implemented, in the step S2, the intelligence contract further includes pre- purchase contract, specially:
S201, buyer agent propose to receive grain to peasant household;
S202, buyer agent are uploaded to grain information is received in block chain by buyer agent's terminal in buyer agent's node;
S203, block chain send pre- purchase contract to peasant household's terminal, while sending the corresponding pre- purchase contract that generates and corresponding to
Reward token information.
In the above-mentioned technical solutions, it includes transaction location longitude and latitude, quantity, peasant household's name, cell-phone number to receive grain information.
When it is implemented, the step S3 is specially:
S301, buyer agent will be sent to the grain depot stored up on platform at the appointed time on grain, then go to step S302, if
It is overdue not hand over, then go to step S303;
Purchase is completed information and is uploaded to block chain by S302, grain depot, is generated purchase contract, is increased the credit value of buyer agent,
And to corresponding reward token is filled in the account of corresponding peasant household, purchase terminates;
S303, the certain credit value of buyer agent is deducted, if buyer agent hands over grain, grain depot to decide whether to continue to purchase after time-out,
If can if go to step S302, and reward token is reduced to the 1/3 of initial value, if not purchasing, purchases termination.
When it is implemented, in the step S3, the computational methods for rewarding token are specially:
M=T*Q*C*T,
Wherein, M is the practical reward token obtained of the every transaction of peasant household, and T is the grain amount of transaction, and Q is grain quality system
Number, C are buyer agent's credit coefficient, and T is that buyer agent submits grain depot time coefficient.
Wherein, the adjustment rule of C, formulates and is scored mainly by grain depot.Based on this formula, can adequately transfer peasant household with
The enthusiasm of buyer agent, good and fast submits grain.
When it is implemented, in the step S6, the computational methods for rewarding token are specially:
Bonus=S*amount,
Wherein, bonus is the reward token that other network nodes are paid to peasant household, and S is satisfaction, and amount is transaction
Amount.
When it is implemented, being carried out by relevant network node in corresponding flow whether the completion of the intelligent contract of triggering true
Recognize, if reaching common understanding, come into force with the relevant account book of intelligent contract, if not reaching common understanding, with the relevant account book of intelligent contract
Failure.
The system with excitation as shown in figure 3, a kind of grain security based on block chain is traced to the source, including:
Purchase plateform system 1, including Web modules 11, user management module 12, credit management module 13, sending out notice mould
Block 14, transaction modules 15, the first account management module 16 and the first PeerNode block chains interface 17, the Web modules 11 are used
In providing two kinds of service interfaces for peasant household and buyer agent, the user management module 12 for managing users registration and
Identity information, the credit management module 13 are used to manage and record the credit value of buyer agent, and the sending out notice module 14 is used
It is notified in pushing relevant platform to peasant household's terminal, such as rewards token and keep accounts, reward token is exchanged etc., the transaction modules 15
For generating corresponding receipts grain Transaction Information and calling the first PeerNode block chain interfaces, write information by gRPC agreements
Block chain, buyer agent are often once purchased to peasant household, and buyer agent inserts Transaction Information, and the mobile phone of peasant household is scanned using mobile phone.
At this point, the mobile phone terminal of peasant household and the mobile phone terminal of buyer agent can all send a Transaction Information to the transaction modules of system.Transaction
Module can record the relevant information of transaction, including but not limited to time, place, transaction unit price, trading volume, the silo etc. being sent in advance
Deng.These information can be written in block chain, generated one and stored up order in advance.Meanwhile transaction modules can trigger intelligent contract, root
According to the setting of contract, certain reward token value is transferred into the reward token account of peasant household, usually a fixed value B, described
First account management module 16 is used to manage the reward token relationship trading action of user, is linked by the first PeerNode blocks
Block chain is written in reward token transactions information by mouth 17, and the first PeerNode block chains interface 17 is saved for block chain Peer
The basic calling SDK of point communication;
It stores up plateform system 2, including export management module 22, stores up management module 21,23 and of the second account management module
2nd PeerNode block chains interface 24, the management module 21 of storing up is for receiving the transaction letter that purchase plateform system 2 is sent
Breath triggers to generate with purchase plateform system 2 jointly receives grain contract, and the export management module 22 is looked forward to for silo to grain-production
Corresponding export information is written to block chain in industry when selling grain, and generates the unique code of corresponding batch, the second account pipe
Reason module 23 is used to manage the reward token relationship trading action of user, will reward by the 2nd PeerNode block chains interface 24
Block chain is written in token transactions information, and the 2nd PeerNode block chains interface 24 is used for the base of block chain Peer nodes communication
This calling SDK;
Manufacturing enterprise's platform 3, including purchase control module 31, packing shipping management module 32, third account management module
33 and the 3rd PeerNode block chains interface 34, the purchase control module 31 be used for the information that manufacturing enterprise will stock up from silo
The supply platform chain that enterprise is taken out and docked from block chain preserves the unique code of the batch, is communicated with export management module 22
Common triggering generates outbound contract, and the packing shipping management module 32 is for by final product packaging batch number and stocking up
The unique code of silo batch corresponds in deposit block chain, and provides the consumer with the interface and web interface of product traceability, and and disappears
The person of expense triggers jointly generates satisfaction feedback contract, and the third account management module 33 is for manufacturing enterprise according to consumer's
It evaluates feedback information and formulates marketing award measure, corresponding reward token, the third are filled with to corresponding peasant household's account
PeerNode block chains interface 34 is used for the basic calling SDK of block chain Peer nodes communication;And
Supervising platform system 4, including inquire trace to the source module 41, the 4th account management module 42 and the 4th PeerNode blocks
Chain interface 43, the inquiry trace to the source module 41 for tracing to the source come call area block chaining mouth and inquiry grain according to product identification
Information, the 4th account management module 42 are used for the corresponding policy according to subsidy, corresponding exchange contract are formulated, to block
Reward token user's redeeming winnings on chain;
Wherein, the purchase plateform system 1, store up plateform system 2, manufacturing enterprise's platform 3 and supervising platform system 4 and pass through
Corresponding PeerNode blocks chain interface forms block with each terminal (such as consumer end, peasant household's terminal, buyer agent's terminal)
Chain network.
In the above-mentioned technical solutions, the management of credit value and the method for record are in the credit management module 13:Purchase
The credit value initial value C=100 of quotient;According to the Transaction Information of buyer agent, platform side spot-check information and calling information to carry out
Corresponding plus-minus management.Such as, it finds a wash sale button 30 to divide, primary effectively to complain 10 points of button, 3 arm's length dealings add 5
Point ... ... etc business rule, carry out the credit value of management buyout quotient.
The management module 21 of storing up is specifically used for:When buyer agent is to the complete purchase of trade company, to block chain generate one it is advance
When storing up order, this module can monitor the time announcement up to block chain, sent out to silo and pre- store up information.Silo information system can search
Collect these information, and starts that corresponding intelligent storage is arranged to enter preparation state.When grain is sent to silo by buyer agent to be stored up
It waits, stores up order in advance accordingly and execute completion.By the state of storing up of grain, and block chain is written in the information of intelligent storage together
In.At this point, intelligent contract is stored up in triggering, plan is stored up according to scheduled before in contract, one is stored in the account of peasant household
Fixed reward token, calculation formula are as follows:
The grain amount T* grain quality coefficient Q* buyer agent credit coefficient C* buyer agents of reward token M values=transaction of transaction
Submit grain depot time coefficient T
The adjustment rule detailed rules and regulations of wherein C are formulated and are scored mainly by grain depot.
When buyer agent fails that grain is sent to silo within the scheduled time, and time-out situation, purchase intelligence can be triggered and closed
About, order closing is sold in advance, and reduces the certain credit score of the buyer agent accordingly.If silo checks the standard of grain
It is not achieved and stores up quality, then trigger the intelligent contract of purchase, buyer agent is equally handled with purchase timeout case, peasant household side is reduced
Certain reward token (it can be negative that peasant household, which rewards token account value).
The unique code of batch can manage system in silo internal information and trace into grain storage tune with inquiry in system
The track dialled.
When it is implemented, the credit management module 13 is by calling the first PeerNode block chain interfaces to be stored in inquire
Info class in block chain calculates the credit value of buyer agent.
Flow embodiment 1:
As shown in figure 4, purchase scene flow:
SG1, buyer agent input due-in purchased items kind, price, purchase volume in mobile phone app;
SG2, peasant household open Quick Response Code in mobile phone app;If peasant household can use this system app, step SG3, no person are arrived
Jump to step SG4;
SG3, buyer agent scan Quick Response Code in peasant household mobile phone app.Go to step SG5
SG4, buyer agent scan the cell-phone number of input peasant household, go to step SG5;
SG5, transaction are completed, and relevant information is reported to trading platform system from mobile phone;
Transaction Information is stored in block chain by SG6, transaction platform subsystem;
SG7, Transaction Information are by nodes such as silo, supervision in P2P net distributions to block chain;
SG8, by silo and supervisory node, after confirming that the transaction is legal, block chain network is built consensus, Transaction Information
Finally it is stored in each node of block chain;
After SG9, transaction are confirmed by block chain, the purchase intelligence contract of meeting automatic trigger block chain initiates one from benefit
The reward token of patch family to peasant household's account is transferred accounts;
If SG10, block chain network can not reach common understanding, i.e., silo or supervisory node have vetoed this transaction.Transaction is flat
Platform can by block chain it is final as a result, returning to mobile phone terminal, concrete reason can be illustrated in peasant household and buyer agent.
In the algorithm of step SG8 common recognition, silo and supervisory node, according to the business datum in respective information system,
To be made whether to agree to the decision of the transaction.
Flow embodiment 2:
As shown in figure 5, reward token is transferred accounts, algorithm realizes process:
MB1, payer (personal account or other intelligent contracts such as SG9) pass through the reward token management on the node
Module is initiated one and is proposed from account A to the payment by the transfer of accounts of account B;
MB2, the proposal are broadcasted by the P2P agreements between subsystem node by the whole network;
MB3, network each side inquire the information of account A on oneself node, determine the pen transfer accounts whether legal (such as account
Whether enough remaining sum is had, if having situations such as frozen);
MB4, reach to transfer accounts in the case where network each side confirms that the notes account is legal and successfully know together;
MB5, common recognition will have payer node to be broadcasted to the whole network, and each node confirms that the common recognition comes into force, changes oneself and obtain local
Account book records the transaction;
If MB6, common recognition are not reached, payment error information is returned to the means of payment.
Due to the characteristic of block chain distribution account book, the reward token being present in each node account book be it is safe, no
It can distort.
Flow embodiment 3:
As shown in fig. 6, storing up process algorithm flow:
Grain is sent to silo by SC1, acquiring firm, from purchase platform typing relevant information to corresponding transaction after silo inspection
In order, wherein
If SC1-1, grain quality or delivery time are unsatisfactory for silo requirement, silo triggers credit contract, reduces receipts
The credit score 10 of purchase quotient divides, and purchase terminates;
If SC1-2, silo select to give buyer agent's bonus point, buyer agent's credit score numerical value can be increased by platform;
SC2, Transaction Information are sent to block chain by PeerNode interface modules by purchase platform and indicate that this has merchandised
At.
SC3, block platform chain pass through the state of the P2P protocol broadcasts transaction to other nodes;
SC4, other nodes confirm that stateful transaction modification is correct, reach common understanding;If it is reaching common understanding, surface account book shape
State is inconsistent, and change state failure, flow terminates;
SC5, after common recognition is reached, store up platform and the intelligent contract of subsidy called to start to calculate the final friendship grain of peasant household and mend
Patch;
SC6, subsidy contract can query the balance to subsidy common account, and detect whether preset to meet subsidy condition;
If SC7, meeting preset condition, initiates reward token and transfer accounts, follow-up process is transferred accounts algorithm with reward token
Flow.
The characteristic that can be traced to the source very well across chain using area as grain department monitoring party in this way, understand its subsidy granting with
Those transaction are associated, and data can be used for which effectiveness further analysis subsidy has.
Flow embodiment 4:
As shown in Figure 7, Figure 8, outbound and subpackage is traced to the source flow:
Grain outbound is called generation outbound batch information by CK1, silo by storing up platform to block chain;
CK2, the automatic P2P of block chain network distribute these information to each node;
Product batches information is sent to block platform chain by CK3, manufacturing enterprise, and associated with outbound batch information;
CK4, consumer initiate the query calls to enterprise platform, and fill out by the Quick Response Code in mobile phone app items scannings
Enter satisfaction S;
CK5, enterprise platform initiate request call of tracing to the source to block chain;
CK6, block chain return to the information of tracing to the source of grain circulation to enterprise, and then feed back to consumer;
CK7, block chain triggering satisfaction feed back contract, according to bonus=f (S, amount) functional relation, trigger one
Fund is transferred to peasant household's account from subsidy family, and detailed process realizes process, f function with reward token as shown in Figure 5 algorithm of transferring accounts
Selection, with according to specific business be applicable in.In this way, consumer can inquire the commodity by the Web system of production firm
Information of tracing to the source.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
- A kind of method with excitation 1. grain security based on block chain is traced to the source, which is characterized in that include the following steps:S1, it establishes by supervising platform, purchase platform, store up the block link network that platform, manufacturing enterprise's platform and consumer form Network;S2, the record submitted according to the network node application for storing up platform trigger the intelligent contract in block chain, and the intelligence is closed About include receiving grain contract and outbound contract, if intelligent contract is to receive grain contract, go to step S3, if intelligent contract closes for outbound About, then step S4 is gone to;If S3, intelligent contract are to receive grain contract, the credit value and the receipts of corresponding buyer agent on purchase platform is calculated Purchase quotient corresponds to the reward token of peasant household, while deciding whether that generating new block links to by storing up platform and supervising platform In corresponding chain network;If S4, intelligent contract are outbound contract, obtain corresponding manufacturing enterprise on manufacturing enterprise's platform and complete after producing most Whole commodity dispense information;S5, block chain network obtain data inquiry request and feed back included in contract corresponding with the data inquiry request It traces to the source data;S6, consumer can make evaluation feedback according to the data of tracing to the source of acquisition, and the satisfaction triggered in block chain feeds back contract, According to the evaluation feedback information of consumer, for the excellent evaluation feedback information commented, other network nodes can pay one to peasant household Fixed reward token.
- The method with excitation 2. a kind of grain security based on block chain according to claim 1 is traced to the source, which is characterized in that In the step S2, the intelligence contract further includes pre- purchase contract, specially:S201, buyer agent propose to receive grain to peasant household;S202, buyer agent are uploaded to grain information is received in block chain by buyer agent's terminal in buyer agent's node;S203, block chain send pre- purchase contract to peasant household terminal, while sending and corresponding generating the corresponding prize of the pre- purchase contract Encourage the information of token.
- The method with excitation 3. a kind of grain security based on block chain according to claim 2 is traced to the source, which is characterized in that The step S3 is specially:S301, buyer agent will be sent to the grain depot stored up on platform at the appointed time on grain, then go to step S302, if overdue It does not hand over, then goes to step S303;Purchase is completed information and is uploaded to block chain by S302, grain depot, generates purchase contract, increases the credit value of buyer agent, and to Corresponding reward token is filled in the account of corresponding peasant household, purchase terminates;S303, the certain credit value of buyer agent is deducted, if buyer agent hands over grain after time-out, grain depot decides whether to continue to purchase, if can Then to go to step S302, and reward token is reduced to the 1/3 of initial value, if not purchasing, purchases termination.
- The method with excitation 4. a kind of grain security based on block chain according to claim 3 is traced to the source, which is characterized in that In the step S3, the computational methods for rewarding token are specially:M=T*Q*C*T,Wherein, M is the practical reward token obtained of the every transaction of peasant household, and T is the grain amount of transaction, and Q is grain quality coefficient, C For buyer agent's credit coefficient, T is that buyer agent submits grain depot time coefficient.
- The method with excitation 5. a kind of grain security based on block chain according to claim 1 is traced to the source, which is characterized in that In the step S6, the computational methods for rewarding token are specially:Bonus=S*amount,Wherein, bonus is the reward token that other network nodes are paid to peasant household, and S is satisfaction, and amount is trading volume.
- The method with excitation 6. a kind of grain security based on block chain according to claim 1 is traced to the source, which is characterized in that Confirmed by relevant network node in corresponding flow whether the completion of the intelligent contract of triggering, if reaching common understanding, with The intelligent relevant account book of contract comes into force, if not reaching common understanding, fails with the relevant account book of intelligent contract.
- The system with excitation 7. a kind of grain security based on block chain is traced to the source, which is characterized in that including:Purchase plateform system, including Web modules, user management module, credit management module, sending out notice module, transaction modules, First account management module and the first PeerNode block chain interfaces, the Web modules are used for peasant household and purchase for providing Two kinds of service interfaces of quotient, the user management module are used for managing users registration and identity information, the credit management mould Block is used to manage and record the credit value of buyer agent, and the sending out notice module is used to push relevant platform to peasant household's terminal logical Know, the transaction modules pass through for generating corresponding receipts grain Transaction Information and calling the first PeerNode block chain interfaces GRPC agreements write information into block chain, and the reward token relationship trading that first account management module is used to manage user is dynamic Make, will reward token transactions information by the first PeerNode block chains interface is written block chain, the first areas PeerNode Block chaining mouth is used for the basic calling SDK of block chain Peer nodes communication;It stores up plateform system, including export management module, stores up management module, the second account management module and the 2nd PeerNode Block chain interface, the Transaction Information for storing up management module for receiving purchase plateform system transmission and purchase plateform system are total It is generated with triggering and receives grain contract, be written when the export management module sells grain for silo to grain-production enterprise corresponding Export information generates the unique code of corresponding batch to block chain, and second account management module is used to manage the prize of user The action of token relationship trading is encouraged, will reward token transactions information by the 2nd PeerNode block chains interface is written block chain, institute State basic calling SDK of the 2nd PeerNode block chain interfaces for the communication of block chain Peer nodes;Manufacturing enterprise's platform, including purchase control module, packing shipping management module, third account management module and third PeerNode block chain interfaces, the purchase control module take the information stocked up from silo for manufacturing enterprise from block chain The supply platform chain for going out and docking enterprise preserves the unique code of the batch, and common triggering is communicated with export management module and is generated Library contract, the packing shipping management module is used for, and final product packaging batch number and the unique code of silo batch stocked up is right It should be stored in block chain, and provide the consumer with the interface and web interface of product traceability, and trigger generation jointly with consumer Satisfaction feeds back contract, and the third account management module is formulated according to the evaluation feedback information of consumer for manufacturing enterprise and sought Incentive measure is sold, is filled with corresponding reward token to corresponding peasant household's account, the 3rd PeerNode block chain interfaces are used for The basic calling SDK of block chain Peer nodes communication;AndSupervising platform system, including inquire trace to the source module, the 4th account management module and the 4th PeerNode block chain interfaces, institute State inquiry trace to the source module for according to product identification come call area block chaining mouth and inquire grain information of tracing to the source, the described 4th Account management module is used for the corresponding policy according to subsidy, formulates corresponding exchange contract, the reward token on block chain User's redeeming winnings;Wherein, the purchase plateform system, store up plateform system, manufacturing enterprise's platform and supervising platform system pass through it is corresponding PeerNode block chain interfaces form block chain network with each terminal.
- The system with excitation 8. a kind of grain security based on block chain according to claim 7 is traced to the source, which is characterized in that The credit management module is calculated by calling the first PeerNode block chain interfaces to inquire the info class being stored in block chain The credit value of buyer agent.
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