CN108648056A - A kind of house lease contract processing method and system based on block chain - Google Patents
A kind of house lease contract processing method and system based on block chain Download PDFInfo
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- CN108648056A CN108648056A CN201810444220.1A CN201810444220A CN108648056A CN 108648056 A CN108648056 A CN 108648056A CN 201810444220 A CN201810444220 A CN 201810444220A CN 108648056 A CN108648056 A CN 108648056A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0645—Rental transactions; Leasing transactions
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of house lease contract processing methods and system based on block chain, wherein method, include the following steps：Obtain the trigger action of the first user triggering, node is verified by the endorsement on block chain according to trigger action, intelligent contract to depositing card on block chain carries out endorsement verification, and intelligent contract is the intelligent contract generated according to the lease information established between the first user and second user；If intelligent contract is verified by endorsing, intelligent contract is executed.It is provided by the invention to be converted to after intelligent contract based on the house lease contract processing method of the block chain lease that people and house provider sign that rent a house and deposit card first, in case inquiry verification and providing that data are really weighed and data trace to the source, put to the proof, audit.Then endorsement verification is carried out to the links of intelligent contract, intelligent contract can be just performed only after endorsement is verified, it is ensured that intelligent contract is related to the security reliability of links.
Description
Technical field
The present invention relates to block chain technical fields, and in particular to a kind of house lease contract processing method based on block chain
And system.
Background technology
The mode of house lease at present also rests on the traditional intermediary of comparison manually matched mode, tenant's matching, signing,
The items process CIMS dispersion such as cash pledge, payment of hire, all separately carries out, inefficiency in different platforms or system；And
Contractual agreement transaction data record is generated in each flow to be easy missing or be forged, and is lacked the technology that one can not distort and is protected
Card so that record of renting a house deposit card it is transparent, implementation process of renting a house is smoothly reliable.
Invention content
Therefore, the present invention provides a kind of house lease contract processing method and system based on block chain, solves existing
Flow path efficiency is low during renting a house and lease deposits card and implements insecure problem.
A kind of house lease contract processing method based on block chain provided in an embodiment of the present invention, includes the following steps：
The trigger action for obtaining the first user triggering verifies node, on block chain according to trigger action by the endorsement on block chain
The intelligent contract for depositing card carries out endorsement verification, and intelligent contract is according to the lease information established between the first user and second user
The intelligent contract of generation；If intelligent contract is verified by endorsing, intelligent contract is executed.
Further, the intelligent contract of card is deposited in block chain by following steps：Receive the first user and second user it
Between the lease information established, intelligent contract is generated according to lease information；Intelligent contract is encrypted by the card node of depositing of block chain
After generate digital finger-print, deposit block chain deposits card platform.
Preferably, before the step of receiving the lease information established between the first user and second user, further include：It is right
The relevant multiple users of lease information carry out authentication；Alliance's chain, alliance are established according to by multiple users of authentication
Chain is to the user for the chain that coalizes progress authentication.
Preferably, with the relevant multiple users of lease information, further include：House lease platform and financial institution execute intelligence
Energy contract, including：Obtain the rent information that the first user pays according to lease information；Pass through financial institution, house lease platform
And after the node verification rent information of second user, sends house to the first user and open password.
Preferably, with the relevant multiple users of lease information, further include：Financial service side and insurer of honouring an agreement, method is also
Including：The credit information of first user is obtained according to the loan requests of renting a house；Sentenced according to the credit information of the first user
The credit information of disconnected first user whether higher than the first preset value when credit information value is higher than the first preset value, obtain described the
The Loan Agreement of renting a house that one user signs with financial service side；According to the Loan Agreement of renting a house obtain described in insurer of honouring an agreement carry
The default risk evaluation of confession.
Preferably, before the step of intelligent contract is verified by endorsing, executes intelligent contract, further include：To intelligent conjunction
The about tactile originator information of the intelligent contract of Allotment Serial Number, label, contract code is generated according to serial number and tactile originator information；To contract generation
Code carries out Hash and generates contract code Hash information；To serial number, touch originator information, contract code and contract code Hash information into
Row Hash calculation obtains serial number Hash, touches originator information Hash, contract code Hash and contract code Hash information Hash；
By serial number Hash, touch originator information Hash, contract code Hash and contract code Hash information Hash deposit block chain.
Preferably, node is verified by the endorsement on block chain according to trigger action, the intelligence to depositing card on block chain is closed
Endorsement verification is about carried out, is specifically included：According to the requesting node that intelligent contract calls, corresponding endorsement is set and verifies node, and
The weight of each endorsement verification node is set, and when total weight of each endorsement verification node is more than the second preset value, endorsement verification is logical
It crosses；When intelligent contract is multiple, by multiple common recognition service nodes on block chain, the endorsement of the corresponding each intelligent contract of distribution
Node is verified, and endorsement verification is carried out to intelligent contract.
The embodiment of the present invention also provides a kind of house lease contract processing system based on block chain, including：Endorsement verification
Module, the trigger action for obtaining the first user triggering verify node according to trigger action by the endorsement on block chain, right
The intelligent contract that card is deposited on block chain carries out endorsement verification, and intelligent contract is established according between the first user and second user
The intelligent contract that lease information generates；Intelligent contract execution module when being verified for intelligent contract by endorsing, executes intelligence and closes
About.
The embodiment of the present invention also provides a kind of non-transient computer readable storage medium, non-transient computer readable storage medium
Matter stores computer instruction, and above-mentioned method is realized when computer instruction is executed by processor.
The embodiment of the present invention also provides a kind of computer equipment, including：At least one processor；And at least one place
Manage the memory of device communication connection；Wherein, memory is stored with the instruction that can be executed by least one processor, instructs by least
One processor executes, so that at least one processor executes above-mentioned method.
Technical solution of the present invention has the following advantages that：
House lease contract processing method and system provided in an embodiment of the present invention based on block chain obtain the first user
The trigger action of triggering verifies node according to trigger action by the endorsement on block chain, and the intelligence to depositing card on block chain is closed
Endorsement verification is about carried out, intelligent contract is to be closed according to the intelligence that the lease information established between the first user and second user generates
About；If intelligent contract is verified by endorsing, intelligent contract is executed.The method provided in an embodiment of the present invention people that will rent a house carries with house
The lease that supplier signs is converted to after intelligent contract deposits card first, in case really power and data are traced back for inquiry verification and offer data
Source, proof, audit.Then endorsement verification is carried out to the links of intelligent contract, is only intelligently closed after endorsement is verified
It about can just be performed, it is ensured that intelligent contract is related to the security reliability of links.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the flow chart of a specific example of the method provided in the embodiment of the present invention；
Fig. 2 is a specific example for depositing the intelligent contract of card in the method provided in the embodiment of the present invention in block chain
Flow chart；
Fig. 3 is that execution intelligence when being related to house lease platform and financial institution of the method provided in the embodiment of the present invention is closed
The flow chart of a specific example about；
Fig. 4 be the embodiment of the present invention in provide method be related to financial service side and honour an agreement insurer when execute intelligence close
The flow chart of a specific example about；
Fig. 5 is the stream that the method provided in the embodiment of the present invention carries out intelligent contract one specific example of Hash calculation
Cheng Tu；
Fig. 6 is that one of the house lease contract processing system based on block chain provided in the embodiment of the present invention specifically shows
The composition figure of example；
Fig. 7 is the composition figure of a specific example of the computer equipment provided in the embodiment of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implying relative importance.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other at conflict.
Embodiment 1
The embodiment of the present invention provides a kind of house lease contract processing method based on block chain, as shown in Figure 1, this method
Include the following steps：
Step S1：The trigger action for obtaining the first user triggering is verified according to trigger action by the endorsement on block chain
Node, the intelligent contract to depositing card on block chain carry out endorsement verification, intelligent contract be according to the first user and second user it
Between the intelligent contract that generates of the lease information established.
It is that will rent a house after people is converted to intelligent contract with the lease that house provider signs to carry on the back in the embodiment of the present invention
Book is verified.Specifically, as shown in Fig. 2, through the following steps that depositing the intelligent contract of card in block chain：
Step S11：Multiple users relevant to lease information carry out authentication.Lease involved in the embodiment of the present invention is believed
Relevant multiple users are ceased, including：Rent a house people, house provider, bank, financial service side, house lease platform and the guarantor that honours an agreement
Dangerous service side, but be not limited thereto, can also include other users in other embodiments.
Step S12：Alliance's chain is established according to multiple users by authentication, alliance's chain is to the chain that coalizes
User carries out authentication.
In the embodiment of the present invention, alliance's chain manages key and number by PKI (Public Key Infrastructure)
The generation of certificate is issued and is abrogated.Digital certificate is for establishing user certificate, and to information signature.Use certificate signature
Message assurance information be not tampered.Typically certification authority (CA) there are one PKI, a registration unit (RA), one
Certificate database, the storage of a certificate.RA be to user carry out authentication, the legitimacy of verification data, submit authority or
Other evidences support the user one or more people is asked to reflect user identity or the trusted authorities of other attributes.CA is according to RA
Suggestion be specific user provide root CA can directly or the digital certificate of the certification of classification.In addition, RA's is user oriented logical
Letter and the responsibility of responsible investigation are considered as a part of CA.Root authority (root CA):It represents the letter in PKI systems
Appoint anchor.The verification of digital certificate follows trust chain.Root CA is the CA of top layer in PKI hierarchical structures.Registration unit (RA):It is
One can determine the trusted entity for wanting to be added to the validity and identity of the user with permission block chain.Certificate of registry is issued
Mechanism (ECA):It is responsible for issuing certificate of registry (ECerts) to user；Transaction authentication center (TCA):It is responsible for providing effective note
The user of volume certificate issues certificate of fair (TCerts).The identity for passing through alliance's chain with the relevant multiple user each side of lease information
Mechanism is authorized, the chain that coalizes after permitting is obtained.
Step S13：The lease information established between the first user and second user is received, intelligence is generated according to lease information
Contract.It is that the lease that people and house provider sign that will rent a house is converted to intelligent contract in the embodiment of the present invention.
Step S14：Digital finger-print is generated after card node encrypts contract by depositing for block chain, it is flat that deposit block chain deposits card
Platform.
In the embodiment of the present invention, house lease platform calls block chain to deposit card interface, and intelligent contract data sample is encrypted
Digital finger-print deposit block chain afterwards deposits card platform, in case inquiry verification.It deposits card platform and the mandates pipes such as identity token, certification is provided
Reason mechanism, all business datums, which achieve, deposit the functions such as card, verification is based on unified authorization mechanism, is based on the licensing scheme, provides
Data really trace to the source, put to the proof, audit by power and data.
In a preferred embodiment, node is verified by the endorsement on block chain according to trigger action in step S1, it is right
The intelligent contract that card is deposited on block chain carries out endorsement verification, specifically includes：
According to the requesting node that intelligent contract calls, corresponding endorsement is set and verifies node, and each endorsement verification section is set
The weight of point, when total weight of each endorsement verification node is more than the second preset value, endorsement is verified；When intelligent contract is more
When a, by multiple common recognition service nodes on block chain, node is verified in the endorsement of the corresponding each intelligent contract of distribution, and to intelligence
Contract carries out endorsement verification.
In the embodiment of the present invention, the chain code of the execution of specific business is verified between business correlation, and is endorsed
The verification of node, transaction verification are related to chain code heavy-duty service, can be supported with special hardware node, are not take up entire
Block chain critical link.
In the embodiment of the present invention, above-mentioned intelligent contract embodiment disposes intelligent contract on each node, different
Intelligent contract is run according to different endorsement and verification agreement, and multiple intelligence contracts can carry out endorsement verification and altogether parallel
Knowledge is handled.For example, intelligence and about 1 (chain code CC1) call the corresponding requesting nodes of CC1, local requesting node to receive the tune of CC1
With, progress state transition processing, and the execution state of this request and final result are recorded, while generating corresponding state
Version.The transaction proposal of CC1 includes Value and the variation institute of state Key values and new state that the needs of this transaction are changed
The state Key values and current version value of dependence.The transaction proposal of intelligent contract be addressed to endorsement specified when CC1 deployment and
Node listing is verified, endorsement node also receives the calling of CC1, and is verified to transaction proposal, checks the status modifier of suggestion
It is whether consistent with State-dependence and actual implementing result on this node, if the signature for unanimously adding this node returns to result
To requesting node.Requesting node collects the feedback of endorsement verification node, reaches the endorsement authentication policy arrangement of intelligent contract setting,
Then realize the endorsement verification of the intelligence contract.
Endorsement authentication policy could be provided as the respective weights of each verification node, if when verification, participating in the section of verification
After when the total weight of point is more than a preset value and by verification, then the endorsement verification of the transaction proposal is completed.For example, there are three requests
Node, it is 0.1,0.3,0.6 that weight, which is arranged, to each requesting node according to the importance of requesting node, when this requesting node is verified
By when, be multiplied by 1 for the weight of this node, be multiplied by 0 for the weight of this node when this requesting node does not pass through verification, asked when each
When node verification result being asked to add up the sum of total weight more than 50%, the endorsement of total intelligent contract is verified.
Step S2：If intelligent contract is verified by endorsing, intelligent contract is executed.
In a preferred embodiment, with the relevant multiple users of lease information, further include：House lease platform and financial machine
Structure, as shown in figure 3, the process of the intelligent contract of execution in above-mentioned steps S2 specifically includes：
Step S21：Obtain the rent information that the first user pays according to lease information.
Step S22：After the node verification rent information of financial institution, house lease platform and second user, to
First user sends house and opens password.
In the embodiment of the present invention, after the people that rents a house signs contract with house provider, lease platform will be converted per a lease
At intelligent contract, is triggered and executed by the people that rents a house.For example, first step triggering is to pay cash pledge and rent, second step, cash pledge, rent
Payment behavior obtain bank node and house provider's node and house lease platform nodes verification after, into next step, to
Human hair of renting a house send unlocking pin, and the lasting open command of effective lease time is sent to intelligent door lock.House lease platform is sent out
The unlock secret key sent is used together with intelligent door lock self-cipher, realizes that door lock is opened.Third step, rental period when closing on platform to rent
Room human hair send the notice that continues to pay dues, and continues to pay dues and is obtained on chain after phase node verification on the date that continues to pay dues, and retransmits rental period door lock unlatching
Password.After lease is fulfiled, provided according to lease, rent a house people upload check out test room video and obtain house provide people and
After house lease platform validation, contract terminates automatically, tests room video if do not uploaded, contract fails to carry out the terminations of contract such as gold of returning a deposit
Obligation.
In a preferred embodiment, with the relevant multiple users of lease information, further include：Financial service side and insurance of honouring an agreement
Side, as shown in figure 4, the intelligent contract execution method of the embodiment of the present invention further includes：
Step S23：Obtain the loan requests of renting a house of the first user proposition.In the embodiment of the present invention, the people that rents a house was renting a house
Cheng Zhongyou rents a house the demand of loan, therefore loan requests of renting a house are proposed on house lease platform.
Step S24：The credit information of the first user is obtained according to loan requests of renting a house.House lease in the embodiment of the present invention
Platform needs to obtain the credit information for the people that rents a house further to judge the rent after obtaining the loan requests of renting a house that human hair goes out of renting a house
Whether people from room meets the condition for loan of renting a house.
Step S25：Judge whether the credit information of the first user is default higher than first according to the credit information of the first user
Value.The credit information of the first user is to honour an agreement what record was established according to the first user in the embodiment of the present invention, e.g. the use
Family but is not limited thereto in the history credit record of bank, and the record that can be honoured an agreement in other embodiments according to other is built
Vertical credit information.
Step S26：When credit information value is higher than the first preset value, the rent that the first user signs with financial service side is obtained
Housing loan agreement.In the embodiment of the present invention, the first preset value may, for example, be banking system in the loan for analyzing the people that rents a house
The risk control reference used when application, in practical applications, setting preset value information needed to be considered can have：It rents a house loaning bill
The qualification (such as work unit, level of education etc.) of people and borrower's reference of renting a house (whether there is or not debt, urge money record etc.).One compared with
Can be respectively to account for 50% by the weight setting of the qualification for the borrower that rents a house and reference two in good implementation, total score is 10 points, each
Respectively set 5 points.Score is arranged to borrower's qualification of renting a house according to work unit, level of education, if work unit's property is more stable,
Educational background is higher, and the loaning bill qualification score for the borrower that rents a house is higher, if within the default time (such as within 5 years) without debt,
No collection record etc., is set as 5 points, and once overdue collection records 4 points, successively descending.It, can be pre- by first in the embodiment of the present invention
It is more than that 5 timesharing illustrate that credit information records when the qualification and reference of the borrower that rents a house add up total score if value is set as 5 points
Well, the Loan Agreement of renting a house that the people that rents a house signs with financial service side.It should be noted that preset value as described above is set
Fixed and type by way of example only, not limiting the present invention.
Step S27：The default risk evaluation for insurer offer of honouring an agreement is provided according to Loan Agreement of renting a house.The embodiment of the present invention
In, house lease platform people's proposition of renting a house rent a house loan requests when, the logical history for examining the people that rents a house in financial service side is carried out
It about records, assesses the credit for the people that rents a house, in when being higher than preset standard value of credit for the people that rents a house, to meet the terms of loan of renting a house
User.Then on house lease platform Loan Agreement of renting a house is signed with borrower.Insurer of honouring an agreement assesses loan insurance of renting a house
Covering is likely to occur loan defaults risk, while the people that rents a house not honoured an agreement being piped off.
In a preferred embodiment, insurer of honouring an agreement is an insurance company, which is rented a house the receipts of people by analysis
Enter distribution to give promise breaking danger price of renting a house, the income dis tribution for the people that rents a house related to several stochastic variables (such as monthly salary, unemployment probability
Deng), these variables usually will present nonlinear relationship.The embodiment of the present invention measures non-linear variable using Copula methods
Between Dependence Structure relationship.The marginal distribution function that stochastic variable and each variable are first determined according to Copula methods, leads to
Correlation method for data processing (such as data of renting a house on selection house lease platform in the default time limit) is crossed, the linear slide method of average is utilized
Trend Decomposition is carried out to data sequence, then is determined by edge distribution, Optimal Distribution form is selected, finally uses insurance premium rate essence
Calculation tool calculates expected loss and insurance premium rate, and estimation is likely to occur loan defaults risk, while by the rent for record of not honouring an agreement
People from room pipes off.By the access of insurance, to be sustained the default risk for the people that disperses to rent a house so that house lease platform is steady
Operation.
In a preferred embodiment, before step S2, as shown in figure 5, the processing of the house lease contract based on block chain
Method further includes：
Step S15：To the tactile originator information of intelligent contract Allotment Serial Number, the intelligent contract of label, according to serial number and tactile originator
Information generates contract code；
Step S16：Hash is carried out to contract code and generates contract code Hash information；
Step S17：To serial number, originator information, contract code and contract code Hash information progress Hash calculation are touched, is obtained
Serial number Hash touches originator information Hash, contract code Hash and contract code Hash information Hash；
Step S18：By serial number Hash, touch originator information Hash, contract code Hash and contract code Hash information Kazakhstan
Docetaxel enters block chain.
The purpose that the embodiment of the present invention is related to intelligent contract Hash is in order to encrypt guarantee safety, to serial number, triggering
It is to further enhance transaction security that person's information, contract code and contract code Hash information, which carry out Hash calculation,.Above-mentioned Hash
On the one hand process enhances the safety of transaction, on the other hand can obtain and preserve the reset condition of the intelligent contract of transaction, side
Just it inquires from now on.The embodiment of the present invention carries out the written in code of intelligent contract using Java or other programming languages, intelligence on chain
The service logic how different entities or related side in contract code expression block chain network interact or merchandise.Using institute
What is used writes the reflex mechanism of language, realizes the triggering and execution of contract code, realizes that intelligence is closed by intelligent contract-defined interface
About with the information exchange in chain, the interaction of programmable intelligent contract language and enforceable block chain infrastructure is realized.
House lease contract processing method provided in an embodiment of the present invention based on block chain can obtain the first user and touch
The trigger action of hair verifies node, to depositing the intelligent contract of card on block chain according to trigger action by the endorsement on block chain
Endorsement verification is carried out, the intelligent contract that the lease information that people and house offer people establish of renting a house according to intelligent contract generates；If
Intelligent contract is verified by endorsing, and executes intelligent contract.Method provided in an embodiment of the present invention will rent a house people and house provider
The lease of signing is converted to after intelligent contract deposits card first, in case really power and data are traced to the source, lifted for inquiry verification and offer data
Card, audit.Then endorsement verification is carried out to the links of intelligent contract, the intelligent contract ability only after endorsement is verified
It is performed, it is ensured that intelligent contract is related to the security reliability of links.
Embodiment 2
The embodiment of the present invention provides a kind of house lease contract processing system based on block chain, as shown in fig. 6, this is based on
The house lease contract processing system of block chain includes：
Endorsement authentication module 1, the trigger action for obtaining the first user triggering pass through according to trigger action on block chain
Endorsement verify node, the intelligent contract to depositing card on block chain carries out endorsement verification, intelligent contract be according to the first user with
The intelligent contract that the lease information established between second user generates.The embodiment of the present invention is will rent a house people and house provider
The lease of signing carries out endorsement verification after being converted to intelligent contract.Endorsement authentication module 1 can correspond to the step of executing embodiment 1
S1, details are not described herein.
Intelligent contract execution module 2 when being verified for intelligent contract by endorsing, executes intelligent contract.Intelligent contract is held
Row module 2 can correspond to the step S2 for executing embodiment 1, and details are not described herein.
House lease contract processing system provided in an embodiment of the present invention based on block chain, the people that will rent a house provide with house
The lease just signed is converted to after intelligent contract deposits card first, in case inquiry verification and provide data really power and data trace to the source,
It puts to the proof, audit, endorsement verification then is carried out to the links of intelligent contract, the intelligent contract ability only after endorsement is verified
It can be performed, it is ensured that intelligent contract is related to the security reliability of links.
Embodiment 3
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, is stored thereon with computer storage media
Computer executable instructions are stored with, which can perform the house based on block chain in embodiment 1 and rent
It rents contract processing method.Wherein, storage medium can be magnetic disc, CD, read-only memory (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), flash memory (Flash Memory), hard disk
(Hard Disk Drive, abbreviation：) or solid state disk (Solid-State Drive, SSD) etc. HDD；Storage medium can be with
The combination of memory including mentioned kind.
Embodiment 4
The embodiment of the present invention also provides a kind of computer equipment, as shown in fig. 7, comprises：At least one processor 210, example
Such as CPU (Central Processing Unit, central processing unit), and the storage that is connect at least one processor communication
Device 220；In Fig. 7 by taking a processor 210 as an example.
Processor 210, memory 220 can be connected by bus 200 or other modes, to pass through bus 200 in Fig. 7
For connection.
Wherein, memory 220 is stored with the instruction that can be executed by processor 210, and processor 210 is stored in by operation
Non-transient software program, instruction and module in reservoir 220, at the various function application and data of execute server
Reason realizes the method in embodiment 1.
One or more module is stored in memory 220, when being executed by one or more processor 210, is held
Row method as shown in Figure 1.
The said goods can perform the method that the embodiment of the present invention 1 is provided, have the corresponding function module of execution method and
Advantageous effect.The not technical detail of detailed description in embodiments of the present invention, for details, reference can be made in embodiment as shown in Figure 1
Associated description.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of house lease contract processing method based on block chain, which is characterized in that include the following steps：
The trigger action for obtaining the first user triggering verifies node, to block according to trigger action by the endorsement on block chain
The intelligent contract that card is deposited on chain carries out endorsement verification, and intelligent contract is according to the lease established between the first user and second user
The intelligent contract that information generates；
If intelligent contract is verified by endorsing, intelligent contract is executed.
2. the house lease contract processing method according to claim 1 based on block chain, which is characterized in that pass through following steps
The intelligent contract of card is deposited in block chain：
The lease information established between the first user and second user is received, intelligent contract is generated according to lease information；
Digital finger-print is generated after card node encrypts intelligent contract by depositing for block chain, deposit block chain deposits card platform.
3. the house lease contract processing method according to claim 2 based on block chain, which is characterized in that used receiving first
Before the step of lease information established between family and second user, further include：
Multiple users relevant to lease information carry out authentication；
Alliance's chain is established according to multiple users by authentication, alliance's chain is to the user for the chain that coalizes progress identity
Certification.
4. the house lease contract processing method according to claim 3 based on block chain, which is characterized in that with lease information phase
Close multiple users, further include：House lease platform and financial institution,
Intelligent contract is executed, including：
Obtain the rent information that the first user pays according to lease information；
After the node verification rent information of financial institution, house lease platform and second user, sent to the first user
Open password in house.
5. the house lease contract processing method according to claim 3 based on block chain, which is characterized in that with lease information phase
Close multiple users, further include：Financial service side and insurer of honouring an agreement, method further include：
Obtain the loan requests of renting a house of the first user proposition；
The credit information of first user is obtained according to the loan requests of renting a house；
Judge whether the credit information of the first user is higher than the first preset value according to the credit information of the first user；Work as credit information
When value is higher than the first preset value, the Loan Agreement of renting a house that first user signs with financial service side is obtained；
According to it is described rent a house Loan Agreement obtain described in honour an agreement insurer offer default risk evaluation.
6. the house lease contract processing method according to claim 2 based on block chain, which is characterized in that if in intelligent contract
Before the step of being verified by endorsing, executing intelligent contract, further include：
To the tactile originator information of intelligent contract Allotment Serial Number, the intelligent contract of label, contract is generated according to serial number and tactile originator information
Code；
Hash is carried out to contract code and generates contract code Hash information；
To serial number, originator information, contract code and contract code Hash information progress Hash calculation are touched, serial number Hash is obtained, touches
Originator information Hash, contract code Hash and contract code Hash information Hash；
By serial number Hash, touch originator information Hash, contract code Hash and contract code Hash information Hash deposit block
Chain.
7. the house lease contract processing method according to claim 1 based on block chain, which is characterized in that according to trigger action
Node is verified by the endorsement on block chain, the intelligent contract to depositing card on block chain carries out endorsement verification, specifically includes：
According to the requesting node that intelligent contract calls, corresponding endorsement is set and verifies node, and each endorsement verification node is set
Weight, when total weight of each endorsement verification node is more than the second preset value, endorsement is verified；
When intelligent contract is multiple, by multiple common recognition service nodes on block chain, the back of the body of the corresponding each intelligent contract of distribution
Book verifies node, and carries out endorsement verification to intelligent contract.
8. a kind of house lease contract processing system based on block chain, which is characterized in that including：
Endorsement authentication module, the trigger action for obtaining the first user triggering pass through the back of the body on block chain according to trigger action
Book verifies node, and the intelligent contract to depositing card on block chain carries out endorsement verification, and intelligent contract is according to the first user and second
The intelligent contract that the lease information established between user generates；
Intelligent contract execution module when being verified for intelligent contract by endorsing, executes intelligent contract.
9. a kind of non-transient computer readable storage medium, which is characterized in that non-transient computer readable storage medium storage meter
Calculation machine instructs, and realizes that the house based on block chain such as any one of claim 1-7 is rented when computer instruction is executed by processor
It rents contract processing method.
10. a kind of computer equipment, which is characterized in that including：At least one processor；And at least one processor communication
The memory of connection；Wherein, memory is stored with the instruction that can be executed by least one processor, instructs by least one processing
Device executes, so that at least one processor perform claim requires at the house lease contract based on block chain of any one of 1-7
Reason method.
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| CN114117553A (en) * | 2022-01-28 | 2022-03-01 | 北京豪尔赛智慧城域科技有限公司 | Block chain-based control method and system for Internet of things terminal |
| CN115147097B (en) * | 2022-09-06 | 2022-12-27 | 深圳市明源云科技有限公司 | House-buying transaction method and device based on block chain, electronic equipment and storage medium |
| CN115147097A (en) * | 2022-09-06 | 2022-10-04 | 深圳市明源云科技有限公司 | House-buying transaction method and device based on block chain, electronic equipment and storage medium |
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