CN111553767B - Shared house leasing system, method and storage medium based on block chain - Google Patents

Shared house leasing system, method and storage medium based on block chain Download PDF

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CN111553767B
CN111553767B CN202010353341.2A CN202010353341A CN111553767B CN 111553767 B CN111553767 B CN 111553767B CN 202010353341 A CN202010353341 A CN 202010353341A CN 111553767 B CN111553767 B CN 111553767B
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CN111553767A (en
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周亮笛
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Tianwang Internet Technology Shenzhen Co ltd
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Abstract

A shared house leasing system based on a block chain comprises an information uploading module, an information retrieval module and a linking module, wherein a leasing party uploads house source information to the block chain through the information uploading module; the leasing party searches the needed house source through the information retrieval module; the linking module determines the unique communication identifier of the leasing party device corresponding to the selected house source according to the operation of the leasing party for selecting the required house source from the house source to be selected, and establishes a point-to-point communication link between the leasing party device and the leasing party device corresponding to the unique communication identifier so that the leasing party and the leasing party directly carry out point-to-point transaction. The novel shared house leasing business mode is realized by using a block chain technology, the information is transparent and can not be tampered, no intermediary is involved in leasing transaction, house leasing and check-in can be realized without an unattended operation, and the information safety is ensured; the renter and the renter can directly carry out point-to-point transaction on the business, and the efficiency is high. The application also provides a shared house leasing method and a storage medium based on the block chain.

Description

Shared house renting system and method based on block chain and storage medium
Technical Field
The invention relates to the technical field of network application, in particular to a shared house renting system and method based on a block chain and a storage medium.
Background
The house renting is a selection mode for guaranteeing daily house requirements of people, and the house renting market shows a rapid growth situation along with the cultivation and development of the house renting market. In the existing house rental market, the rental relationship is mainly realized by a centralized system.
Fig. 1 shows a prior house renting system, in which a house renter and a renter must have a renting relationship between them through an intermediate facilitator platform, and in this mode, the authenticity of house source information, identity information of the renter and the renter, rights and privacy, and the like, need to be guaranteed and maintained by relying on the intermediate facilitator platform, which in a sense is complete trust in the intermediate facilitator platform. If the intermediate facilitator platform is in violation or privacy is revealed, certain influence and loss can be caused to each leasing party and leasing party.
Disclosure of Invention
The application provides a shared house leasing system, a method and a storage medium based on a block chain, which aim to solve the problem that information is unsafe due to the fact that an existing house leasing system depends on an intermediate service provider platform.
According to a first aspect, an embodiment provides a shared house leasing system based on a blockchain, where a first intelligent contract for agreeing on house source finding logic is deployed on the blockchain; the system comprises:
the system comprises an information uploading module, a block chain and a leasing party communication device, wherein the information uploading module is used for detecting a first operation of uploading house source information input by a leasing party, generating first request information according to the first operation, broadcasting the first request information to the block chain to store the house source information to a distributed database of the block chain, and the house source information comprises a unique communication identifier of the leasing party device serving as the leasing party communication device;
the information retrieval module is used for detecting a second operation for searching for the house source input by the leasing party, generating second request information according to the second operation, sending the second request information to the block chain to trigger the first intelligent contract, wherein the second request information comprises house source screening information, searching for a matched house source in a distributed database of the block chain according to the house source screening information based on the house source searching logic agreed in the first intelligent contract, obtaining a house source to be selected and displaying the house source to be selected to the leasing party;
and the link module is used for detecting a third operation of the leasing party for selecting a required house source from the house sources to be selected, determining a unique communication identifier of leasing party equipment corresponding to the selected house source according to the third operation, and establishing a point-to-point communication link between the leasing party equipment serving as the leasing party communication equipment and the leasing party equipment corresponding to the unique communication identifier so that the leasing party and the leasing party directly carry out point-to-point transaction.
According to a second aspect, an embodiment provides a method for leasing shared houses based on a blockchain, on which a first intelligent contract for agreeing on house source finding logic is deployed, the method including:
detecting a first operation of uploading house source information input by a renter, and generating first request information according to the first operation, wherein the first request information comprises house source information to be rented;
broadcasting the first request information to a block chain to store the house source information to a distributed database of the block chain, wherein the house source information comprises a unique communication identifier of a lessor device serving as a lessor communication device;
detecting a second operation of searching for a house source input by a leasing party, and generating second request information according to the second operation;
sending the second request information to a block chain to trigger the first intelligent contract, wherein the second request information comprises house source screening information;
based on the house source searching logic appointed in the first intelligent contract, searching a matched house source in a distributed database of a block chain according to the house source screening information to obtain a house source to be selected;
displaying the room source to be selected to a leasing party;
detecting a third operation of a leasing party for selecting a needed house source in the house sources to be selected, and determining a unique communication identifier of leasing party equipment corresponding to the selected house source according to the third operation;
and establishing a point-to-point communication link between the leasing party device serving as the leasing party communication device and the leasing party device corresponding to the unique communication identifier so as to directly carry out point-to-point transaction between the leasing party and the leasing party.
According to a third aspect, an embodiment provides a computer-readable storage medium comprising a program executable by a processor to implement the method as described above. .
According to the shared house renting system and method based on the block chain and the computer-readable storage medium of the embodiment, the renter can issue house source information to the block chain through the information uploading module, the renter can search a needed house source from the house source information stored in the block chain through the information retrieval module, and when the information retrieval module searches a matched house source to be selected, the searched house source to be selected is displayed to the renter; the linking module determines the unique communication identifier of the leasing party device corresponding to the selected house source according to the third operation of the leasing party for selecting the required house source from the house sources to be selected, and establishes a point-to-point communication link between the leasing party device serving as the leasing party communication device and the leasing party device corresponding to the unique communication identifier so that the leasing party and the leasing party can directly conduct point-to-point transaction. The block chain technology is adopted in the scheme, so that the method has the characteristics of decentralization, information transparency and no tampering, the leasing transaction does not depend on an intermediate service provider platform any more, and no intermediary is required to participate, so that the information safety is ensured; moreover, when the renter selects the needed house source, the renter equipment and the renter equipment which are respectively used as the renter communication equipment and the renter communication equipment can establish a point-to-point communication link through the unique communication identifier, so that the renter and the renter can directly carry out point-to-point transaction without the participation of a third party, the transaction safety is further improved, the cost is low, and the efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a house rental system according to the prior art;
fig. 2 is a schematic structural diagram of a shared house rental system based on block chains according to an embodiment of the present application;
fig. 3 is a schematic diagram of a network architecture based on block chain construction according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a specific block chain-based shared house rental system according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a shared house rental system based on block chains according to another embodiment of the present application;
fig. 6 is a schematic diagram of a network architecture based on blockchain construction according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a shared house rental system based on block chains according to another embodiment of the present application;
fig. 8 is a schematic diagram of a network architecture based on block chain construction according to another embodiment of the present application;
fig. 9 is a schematic structural diagram of a shared house rental system based on block chains according to still another embodiment of the present application;
FIG. 10 is a block chain based network architecture according to yet another embodiment of the present application;
fig. 11 is a schematic diagram illustrating a service flow and a data flow according to still another embodiment of the present application;
fig. 12 is a flowchart of a shared house renting method based on a block chain according to an embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the described features, operations, or characteristics may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art.
In the embodiment of the invention, based on the block chain technology, the leasing party equipment and the leasing party equipment which are respectively used as communication equipment of a leasing party and a leasing party can be used as node equipment of a block chain to form a decentralized network architecture. The lessor can issue the house source information containing the unique communication identifier of the lessor equipment serving as the lessor communication equipment to the blockchain through the information uploading module, and the lessor can search the required house source in the house source information on the blockchain through the information retrieval module. The information retrieval module searches a matched house source in the house source information stored in the block chain according to the house source screening information to obtain a house source to be selected and displays the house source to the leasing party; the linking module determines the unique communication identifier of the leasing party device corresponding to the selected house source according to a third operation that the leasing party selects the required house source from the house sources to be selected, and establishes a point-to-point communication link between the leasing party device serving as the leasing party communication device and the leasing party device corresponding to the unique communication identifier, so that the leasing party and the leasing party directly carry out point-to-point transaction.
The first embodiment is as follows:
referring to fig. 2, a schematic structural diagram of a shared house renting system based on a blockchain according to an embodiment of the present application is provided, where a first intelligent contract for agreeing a house source search logic is deployed on the blockchain, and the shared house renting system includes an information uploading module 11, an information retrieving module 12, and a linking module 13.
The information uploading module 11 is configured to detect a first operation of uploading house source information input by a lender, generate first request information according to the first operation, where the first request information includes house source information to be rented, and then broadcast the first request information to a block chain to store the house source information in the first request information in a distributed database of the block chain, where the house source information includes a unique communication identifier of a lender device serving as a communication device of the lender, and the unique communication identifier may be, for example, a device ID (Identity Document, identity identifier), a telephone number, an IP Address (Internet Protocol Address ) of the lender device, and the like.
The information retrieval module 12 is configured to detect a second operation of searching for a room source input by a renter, generate second request information according to the second operation, and send the second request information to the blockchain to trigger the first intelligent contract, where the second request information includes room source screening information, and based on a room source search logic agreed in the first intelligent contract, search for a matched room source in a distributed database of the blockchain according to the room source screening information, to obtain a room source to be selected, and display the room source to be selected to the renter. The room source searching logic may, for example, first search for room source information locally stored in leaser device serving as leaser communication device, and if no room source satisfying the room source screening information is found or no room source information is locally stored, then search for other nodes connected to the leaser device, and if no room source information is found, continue searching for nodes connected to these nodes.
The link module 13 is configured to detect a third operation of the renter selecting a required room source from the room sources to be selected displayed by the information retrieval module 12, determine, according to the third operation, a unique communication identifier of the renter device corresponding to the selected room source, and establish a peer-to-peer communication link between the renter device serving as the renter communication device and the renter device corresponding to the unique communication identifier, so that the renter and the renter directly perform peer-to-peer transactions.
Based on the scheme of the application, in practical application, the information uploading module 11 may be a house resource renting application program running on a renter device serving as a renter communication device, and the renter may upload the house resource information to the block chain through related operations on the house resource renting application program. The information retrieval module 12 and the linking module 13 may be a house renting application program running on renter side equipment as renter side communication equipment, and the renter side can realize house renting through related operations on the house renting application program. Alternatively, the information uploading module 11, the information retrieving module 12 and the linking module 13 may be implemented by the same application program, both the renter device and the renter device may run the application program, and the renter may select their own required modules for operation.
Based on this, a network architecture as shown in fig. 3 may be constructed based on the blockchain, where the network architecture includes N (N is an integer greater than or equal to 1) leaser devices 01 as leaser communication devices and M (M is an integer greater than or equal to 1) leaser devices 02 as leaser communication devices, and both the leaser devices 01 and the leaser devices 02 are node devices of the blockchain, and the shared house lease system described above may be operated, that is, house lease APPs (applications) are installed and operated on the leaser devices 01 and the leaser devices 02. A first intelligent contract for agreeing on room source finding logic is deployed on the blockchain.
When a renter needs to publish house source information to be rented, a first operation of uploading the house source information can be input on a renter device 02 of the renter, for example, a house source publishing operation interface is displayed on a display interface of the renter device 02, the renter clicks an uploading house source option on the house source publishing operation interface, the position, the area, the indoor layout, the indoor facilities and other house source related information of the house source are input according to interface prompts, then a publishing button is clicked, at this time, an information uploading module 11 generates first request information according to the operation of the renter and sends the first request information to a block chain for storage, the generated first request information includes the house source related information input by the renter and a unique communication identifier of the renter device 02, the unique communication identifier can be input on the house source publishing operation interface by the renter, or can be obtained through automatic detection when the first request information is generated, for example, a device ID of the renter device 02 is obtained through automatic detection.
When the renter needs to rent a house, a second operation for searching for a house source can be input into the renter device 01, for example, a house renting operation interface is displayed on a display interface of the renter device 01, the renter clicks a house renting option on the house renting operation interface, house source screening information is input according to the interface prompt and then clicks a search button, and at the moment, the information retrieval module 12 generates second request information containing the house source screening information according to the operation of the renter and sends the second request information to the block chain so as to search for a matched house source in the house source information stored in the block chain. When the information retrieval module 12 finds the house source to be selected which is matched with the house source screening information, the house source to be selected is displayed on the display interface of the leasing side device 01. Then, the leasing party can select a required house source from the house sources to be selected, at this time, the link module 13 determines the unique communication identifier of the leasing party device 02 corresponding to the house source selected by the leasing party, and establishes a point-to-point communication link between the leasing party device 01 and the leasing party device 02 corresponding to the unique communication identifier, so that the leasing party and the leasing party can directly perform point-to-point transaction based on the point-to-point communication link. Therefore, the two parties do not need to carry out transaction management through the central node, the efficiency is high, and the transaction is safer.
Specifically, referring to fig. 4, a schematic structural diagram of a specific block chain-based shared house rental system is shown, which, compared with fig. 2, further includes a sign-up module 14 and a payment module 15. After the linking module 13 establishes the peer-to-peer communication link between the renter device 01 as the renter communication device and the renter device 02 corresponding to the unique communication identifier, the signing module 14 makes the renter and the renter sign a renter order through the established peer-to-peer communication link according to a third operation of the renter, where the renter order includes a renter agreement. The payment module 15 is configured to detect a fourth operation, which is input by the leasing party and used for selecting a payment mode, determine the payment mode according to the fourth operation, enable the leasing party device 01 to directly pay for the leasing party device 02 corresponding to the determined unique communication identifier through a point-to-point communication link by using digital currency when the determined payment mode is a currency payment mode, and enable the leasing party device 01 to pay for the leasing party device 02 corresponding to the determined unique communication identifier through a third party payment platform when the determined payment mode is a third party payment mode.
Referring to fig. 3, for example, after the renter selects a desired house source on the renter device 01, the link module 13 establishes a point-to-point communication link between the renter device 01 and the renter device 02 corresponding to the desired house source, meanwhile, the renter performs order placing operation for the desired house source when the renter selects the desired house source on the renter device 01, and the subscription module 14 subscribes a renter order based on the order placing operation of the user and the established point-to-point communication link and the renter device 02 corresponding to the desired house source, where the renter order includes a renter agreement that the renter and the renter commonly know. In one embodiment, after detecting that the rental party accepts the order of the rental party through the rental party device 02, the sign-up module 14 may send a message that the order is confirmed and returned by the rental party device 02 to the rental party device 01. At this time, a payment page may be displayed on the display interface of the renter device 01, and the renter may then perform a payment operation on the payment page, where a payment method selection menu may be provided for the user on the payment page, and the payment method may include a currency payment method and/or a third party payment method. In one embodiment, when the payment module 15 detects that the renter selects the third party payment method on the payment page, the renter device 01 uses the third party payment platform to pay for the renter device 02, in this payment method, the third party payment platform is also used as a node of the block chain, so that the validity of the third party payment platform can be ensured, wherein the third party payment platform may be, for example, a payment platform for WeChat payment, paibao payment, bank transfer, and the like. In one embodiment, when the payment module 15 detects that the renter selects a currency payment mode on the payment page, the renter device 01 directly pays the renter device 02 by using digital currency, which has the characteristic of a distributed account book, and as long as the renter and the renter agree on a rental agreement, the renter device 01 can directly pay the renter device 02 by using the currency instead of transferring money through a third party.
In one embodiment, when the renting order is signed through the established point-to-point communication link, the renter can also put forward a modification requirement for the renting agreement, and after the renter agrees, the two parties can sign the renting order based on the modified renting agreement.
In practical application, the shared house leasing system can further comprise an information storage module, and a second intelligent contract for agreeing on transaction information storage logic can be deployed on the block chain. After the leasing party and the leasing party achieve transaction, the information storage module records transaction success information of the leasing party and the leasing party, then sends the transaction success information and a house leasing protocol achieved by the two parties to the block chain to trigger a second intelligent contract, and stores the transaction success information and the achieved house leasing protocol to a second intelligent contract of the block chain based on a transaction information storage logic agreed in the second intelligent contract.
The house renting agreement can comprise house renting amount, house renting deposit, renting duration, deposit refunding mode and the like, can be issued by the renter when issuing house source information, and can also be determined by negotiation between the renter and the renter when signing a house order.
Therefore, the transaction between the renter and the renter can be guaranteed not to be falsified by using the characteristics of the distributed account book of the block chain, and the renter or the renter can operate only after obtaining the consensus of the block chain if the renter or the renter needs to modify the existing renter order, such as canceling the renter order or delaying the fulfillment of the content in the renter order, before or after the renter enters the house. As long as the house renting order is effective, the renter cannot be randomly removed from the holding permission by the renter, and the renter cannot arbitrarily default the house renting, so that the renter and the renter can be guaranteed.
The shared house renting system based on the block chain comprises an information uploading module, an information retrieval module and a linking module, and can be operated on renter equipment and renter equipment as an application program. The leasing side device and the leasing side device can be used as node devices of a block chain to form a decentralized network architecture. The renter can issue the house source information to the block chain through the information uploading module, and the renter can search the required house source in the house source information on the block chain through the information retrieval module. When the information retrieval module finds the matched room source to be selected, the found room source to be selected is displayed to the leasing party; the linking module determines the unique communication identifier of the leasing party device corresponding to the selected house source according to a third operation that the leasing party selects the required house source from the house sources to be selected, and establishes a point-to-point communication link between the leasing party device serving as the leasing party communication device and the leasing party device corresponding to the unique communication identifier, so that the leasing party and the leasing party directly carry out point-to-point transaction. The system realizes a new house-sharing leasing business mode, utilizes the block chain technology, has the characteristics of transparent information and no falsification, does not depend on an intermediate service provider platform for leasing transaction any more, does not need to participate in intermediaries, can realize house leasing without being attended by people, and ensures the safety of information of both parties of the transaction. Moreover, the leasing party and the leasing party can directly carry out point-to-point transaction without the participation of a third party, thereby further improving the security of the transaction, and having lower cost and higher efficiency.
Example two:
based on the first embodiment, the present embodiment provides another shared house renting system based on a block chain, and referring to fig. 5, in a schematic structural diagram, compared with fig. 2, the shared house renting system of the present embodiment further includes a supervision and verification module 16, and a third intelligent contract for agreeing on a supervision and verification result saving logic is further deployed on the block chain.
The information uploading module 11 is further configured to receive the identity information of the lender input by the lender, and send the identity information of the lender to the block chain for storage. In one embodiment, the lessor may input the lessor identity information at the same time when performing the first operation, the first request information generated by the information uploading module 11 includes the lessor identity information, and at this time, the information uploading module 11 may upload the house source information and the lessor identity information to the blockchain for storage at the same time by broadcasting the first request information to the blockchain.
The information retrieval module 12 is further configured to receive renter identity information input by the renter, and send the renter identity information to the block chain for storage. In one embodiment, the leasing party may input the identity information of the leasing party at the same time when performing the second operation, the second request information generated by the information retrieval module 12 includes the identity information of the leasing party, and the information retrieval module 12 may upload the identity information of the leasing party to the blockchain for storage when sending the second request information.
The supervision and verification module 16 is configured to obtain the house source information and/or the personal identity information from the block chain, where the personal identity information includes the lessor identity information and/or the leaser identity information, so that the supervisor device serving as the supervisor communication device supervises and verifies the lessor identity information, the leaser identity information, and/or the house source information to obtain a supervision and verification result, and sends the supervision and verification result to the block chain to trigger a third intelligent contract, and the supervision and verification result is stored in the third intelligent contract based on the supervision and verification result storage logic agreed in the third intelligent contract.
The link module 13 is specifically configured to obtain a supervision and verification result from the third intelligent contract, and when the lessor identity information corresponding to the selected house source, the lessor identity information, and the supervision and verification result of the house source information of the selected house source pass, establish a peer-to-peer communication link between the lessor device serving as the lessor communication device and the lessor device corresponding to the unique communication identifier.
Based on the shared house renting system of the present embodiment, the network architecture shown in fig. 6 may be constructed based on the blockchain, and compared with the network architecture shown in fig. 3, the network architecture of the present application further includes a supervisor device 04 as a supervisor communication device, and the supervisor verification module 16 may be an application program running on the supervisor device 04, or the shared house renting system of the present embodiment may run on the supervisor device 04 as an application program, and may only grant the supervisor device 04 the right to run the function of the supervisor verification module 16.
When the renter needs to rent a house, the second operation of searching for the house source can be performed on the renter device 01, the information retrieval module 12 searches for the matched house source in the house source information on the block chain according to the second operation, and when the information retrieval module 12 finds the matched house source to be selected, the house source to be selected is displayed on the display interface of the renter device 01. At this time, the renter can select a required house source from the house sources to be selected, the information retrieval module 12 obtains a monitoring verification result from the third intelligent contract of the block chain according to the required house source selected by the renter, and if the lessor identity information, the renter identity information and the house source information of the required house source corresponding to the required house source are verified by the monitoring device 04, the link module 13 establishes a point-to-point communication link between the renter device 01 and the lessor device 02 corresponding to the required house source, and at this time, the renter and the renter can directly perform point-to-point transaction through the point-to-point communication link. In one embodiment, the block chain may perform multi-party consensus on the house source information, and the link module 13 obtains the multi-party consensus result of the block chain and the verification result of the supervising department on the identity information of the renter, the identity information of the renter and the house source information through the supervising party device 04.
Therefore, the identity information of the renters and the identity information of the renters do not need to be registered for verification, the identity information can be confirmed by a supervision department (such as a public security bureau, a tax bureau, a housing and construction department, a quality supervision bureau, a real estate office and the like), no third party can collect or store the identity information of the renters or the renters, and the privacy of the two parties is protected.
In practical applications, the shared house rental system of this embodiment may also include the sign-up module 14, the payment module 15, and the information storage module as described in the first embodiment, so as to implement the functions as described in the first embodiment.
The shared house renting system based on the block chain comprises an information uploading module, an information retrieval module, a linking module and a supervision and verification module, can be operated on renter equipment, renter equipment and supervisor equipment as an application program, and can only grant the supervisor equipment the authority to operate the functions of the supervision and verification module. The leasing side equipment, the leasing side equipment and the monitoring side equipment can be used as node equipment of a block chain to form a decentralized network architecture, and the data transparency is higher than that of a central node mode. The shared house leasing system realizes a new shared house leasing business model which can meet the requirements of supervision departments in addition to realizing the functions and producing the effects of the embodiment I. Any supervision department can extract house source information, leasing party identity information and other related information from the block chain at any time through supervision party equipment, and does not need to ask an intermediate service provider platform through an existing server interface, so that the timeliness and the authenticity of the acquired information can be guaranteed. The identity information of the leasing party and the identity information of the leasing party can be only opened to a supervision department, so that the identity information of the leasing party and the identity information of the leasing party can be prevented from being collected and stored by a third party, the personal privacy is protected, and the information is safer.
Example three:
based on the first embodiment, the present embodiment provides another shared house renting system based on a block chain, and referring to fig. 7, in a schematic structural diagram, compared with fig. 2, the shared house renting system of the present embodiment further includes an authorization module 17, and a fourth intelligent contract is further deployed on the block chain.
The authorization module 17 is configured to send a transaction completion message to the blockchain to trigger the fourth intelligent contract to send authorization information to the internet of things house terminal device of the house corresponding to the selected house source through the networking device after detecting that the renter and the renter reach a transaction, where the authorization information is used to verify the identity verification request information of the renter received by the internet of things house terminal device, so as to grant the renter the right to use the internet of things house terminal device after the verification passes. The networking equipment is used as node equipment of the block chain to connect the Internet of things house terminal equipment with the block chain.
In one embodiment, the shared house rental system may further include a behavior acquisition module, where the behavior acquisition module is configured to acquire, through the networking device, a usage behavior record of the internet of things house terminal device, and upload the acquired usage behavior record to the block chain for storage.
Based on the shared house rental system of the present embodiment, a network architecture as shown in fig. 8 may be constructed based on a block chain, and compared with the network architecture shown in fig. 3, the network architecture of the present application further includes an internet of things house terminal device 05 and a networking device 06, and the networking device 06 may include a cloud server and/or a gateway device. The internet of things house terminal equipment 05 can comprise a door lock, a water meter, an electric meter, an intelligent home and the like; the internet of things house terminal devices 05 can be gateway type internet of things terminals and can be connected with the block chain through gateway devices; the internet of things house terminal equipment can also be a non-gateway type internet of things terminal and can be connected with the block chain through the cloud server. When the terminal device 05 of the internet of things is a gateway type terminal of the internet of things, the terminal device can perform networking communication with the gateway device through a ZigBee (Zigbee), a Bluetooth, a 433M wireless module, a Wifi, a 2.4G wireless module and the like; when the terminal device 05 is a non-gateway type terminal of the Internet of Things, it may perform networking communication with the cloud server through a 2G mobile network, a 3G mobile network, a 4G mobile network, NBIoT (Narrow Band Internet of Things), LTE-CAT1 network, eMTC network, and the like.
With reference to fig. 7 and 8, after the authorization module 17 detects that the lender and the lender have completed a transaction, for example, the information storage module detects that the transaction of the lender and the lender is successful, the authorization module sends a transaction completion message to the blockchain, the transaction completion message triggers a fourth intelligent contract of the blockchain, and the fourth intelligent contract of the blockchain sends authorization information to the internet of things house terminal device 05 of the house that has completed the transaction through the networking device 06. And when the internet of things house terminal equipment 05 of the selected house is used or the renter enters the selected house, identity verification request information is input into the internet of things house terminal equipment 05, and when the internet of things house terminal equipment 05 receives the identity verification request information, the identity verification request information of the renter is verified according to authorization information, and after the verification is passed, the renter is granted the permission to use the internet of things house terminal equipment 05.
Taking the internet of things house terminal device 05 as an example of a door lock, such as an NB-IoT door lock, a Lora door lock, a Zigbee gateway door lock, a bluetooth door lock, and the like, the door lock has an unlocking manner capable of representing an individual identity, such as an eID (electronic identity identifier) of a public network, a second generation identity card swiping card, a mobile phone verification, a face recognition, and the like. And after the leasing party and the leasing party achieve the transaction, the fourth intelligent contract of the block chain sends authorization information to the door lock of the house achieving the transaction. When the leasing party lives in, the identity verification request information can be input into the door lock within the authorized time through the leasing party equipment 01, the second-generation identity card, the fingerprint and the like, the door lock can verify the identity verification request information of the leasing party according to the authorized information, the door lock is unlocked after the verification is passed, the leasing party can conveniently live in and enjoy equipment services such as water, electricity and intelligent home inside, the interference or participation of other people is avoided, and the labor cost is saved. In practical application, the internet of things house terminal device 05 can also record the used usage behavior record, and the behavior acquisition module acquires the usage behavior record through the networking device 06 and uploads the usage behavior record to the block chain for storage.
In practical applications, the shared house rental system of this embodiment may also include the sign-up module 14, the payment module 15, and the information storage module as described in the first embodiment, so as to implement the functions as described in the first embodiment.
The shared house renting system based on the block chain comprises an information uploading module, an information retrieval module, a linking module and an authorization module, can be operated on renter equipment and renter equipment as an application program, and can control the internet of things house terminal equipment. The leasing party equipment, the leasing party equipment and the networking equipment connected with the Internet of things house terminal equipment can be used as node equipment of a block chain to form a decentralized network architecture, and the data transparency is higher than that of a central node mode. The shared house leasing system realizes a novel shared house leasing business model, can realize the functions and the effects of the first embodiment, and can realize the function of unattended house check-in through the technology of the internet of things. After the transaction is achieved between the renter and the renter, the fourth intelligent contract capable of triggering the block chain sends authorization information to the internet of things house terminal equipment of the house achieving the transaction through the networking equipment so as to verify the identity of the user, the renter inputs identity verification request information when using the internet of things house terminal equipment, the internet of things house terminal equipment can be directly used conveniently after verification, no specially-assigned person is needed to watch the internet of things house terminal equipment, and the labor cost is saved.
Example four:
based on the foregoing embodiments, this embodiment provides another shared house renting system based on a block chain, and a schematic structural diagram of the shared house renting system is shown in fig. 9, where the shared house renting system may include the information uploading module 11, the information retrieving module 12, the linking module 13, the signing module 14, the payment module 15, the supervision and verification module 16, and the authorization module 17, as well as the information saving module 18 and the behavior obtaining module 19, which may implement the functions described in the foregoing embodiments. The blockchain is provided with a first intelligent contract used for appointing room source searching logic, a second intelligent contract used for appointing transaction information saving logic, a third intelligent contract used for appointing supervision and verification result saving logic and a fourth intelligent contract.
Based on the shared house renting system of this embodiment, a network architecture as shown in fig. 10 may be constructed based on a block chain, and includes N (N is an integer greater than or equal to 1) renter devices 01, M (M is an integer greater than or equal to 1) renter devices 02, a supervisor device 04, an internet of things house terminal device 05 and a networking device 06, where the renter devices 01, the renter devices 02, the supervisor device 04, and the networking device 06 are node devices of the block chain, and the internet of things house terminal device 05 is connected to the block chain through the networking device 06. The shared house rental system may be run as one application on the renter device 01, the renter device 02, and the supervisor device 04, and may grant only the supervisor device 04 the right to run the functions of the supervision verification module 16.
The working principle of the shared house rental system is described below by taking an example that the internet-of-things house terminal device 05 is a network door lock (hereinafter referred to as a door lock), where the door lock may be a gateway door lock, such as a Zigbee gateway door lock, a bluetooth door lock, or a non-gateway door lock, such as an NBIoT door lock. The door locks can support eID, second-generation identity cards, bluetooth, fingerprints, face recognition and other unlocking modes. Taking the door lock as an example, the door lock is a non-gateway type door lock, and can be connected with the blockchain through a cloud server (as a networking device).
Fig. 11 is a schematic diagram illustrating the traffic flow and data flow of the network architecture shown in fig. 10, wherein the traffic flow is indicated by dashed arrows and the data flow is indicated by solid arrows. In conjunction with fig. 9, 10 and 11, the renter and the renter can implement the house rental transaction through the following flow:
(1) The renter uploads the house source information to be rented and the identity information of the renter through the renter device 02, and the information uploading module 11 uploads (issues) the house source information to be rented and the identity information of the renter to the blockchain according to the operation.
(2) When the renter has a room renting requirement, the renter equipment 01 is used for searching for the room source, the information retrieval module 12 uploads the identity information of the renter to the block chain according to the operation, and meanwhile, the room source matched with the requirement of the renter is searched in the room source information stored in the block chain, so that the room source to be selected is obtained and displayed to the renter.
(3) And the leasing party selects a favorite house source from the house sources to be selected through the leasing party equipment 01 and carries out order placing operation.
(4) The block chain performs multi-party consensus on the house source information, and meanwhile, the link module 13 acquires the monitoring and verification results of the monitoring department on the rental party identity information, the rental party identity information and the house source information through the monitoring party device 04 from the third intelligent contract of the block chain.
In practical application, the monitoring department can acquire the lessor identity information, the lessor identity information and the house source information from the blockchain at any time through the monitoring party equipment 04, then monitor and verify the information, and store the monitoring and verifying result into a third intelligent contract of the blockchain.
(5) The linking module 13 determines that the leasing party identity information, the leasing party identity information and the house source information are verified by the monitoring department, a peer-to-peer communication link is established between the leasing party device 01 and the leasing party device 02, the signing module 14 signs a leasing room order with the leasing party device 02 based on order placing operation of a user and the established peer-to-peer communication link, and the leasing party directly conducts peer-to-peer digital currency transaction with the leasing party device 02 through the leasing party device 01 to complete payment business of the leasing party.
Two rental payment services, one of which is the above-mentioned digital currency, can be provided, which naturally has a distributed ledger feature, and as long as the renter and the renter completely agree on the transaction rules, the transaction can be performed directly using the currency without transferring money through an intermediary. The other payment is third-party payment, such as bank transfer, payment treasure payment, weChat payment and the like, and the payment mode needs third-party participation and needs the third-party to be used as a node in a block chain, so that the effectiveness of the third-party can be guaranteed.
(6) The renter receives the rental order of the renter through the renter device 02, and can return a message that the rental order is confirmed to the renter.
(7) After the leasing party and the leasing party achieve the transaction, the information storage module 18 records the successful transaction information of the two parties, and uploads the successful transaction information and the corresponding room renting protocol to the second intelligent contract of the block chain for storage. The fourth intelligent contract of the blockchain automatically sends authorization information to the door lock of the house that has completed the transaction.
(8) When the leasing party enters the house, the door lock can be opened through the identity recognition modes of the leasing party equipment 01, the identity card, the fingerprint, the face recognition and the like which can uniquely represent the identity information of the leasing party. Specifically, the leasing party can input authentication request information to the door lock through the identification modes, the door lock verifies the authentication request information according to authorization information issued by the block chain, and the door lock is unlocked after the verification is passed, so that the leasing party can conveniently live in.
Thus, house rental transactions between renters are achieved.
Based on the shared house renting system and the house renting process, before or after the renter enters the house, if the renter or the renter needs to modify the house renting order confirmed by the two parties, for example, cancel the house renting order or delay the fulfillment of the content in the house renting order, the operation can be performed only after the consensus of the block chain. As long as the house renting order is effective, the renter cannot be randomly removed from the holding permission by the renter, and the renter cannot arbitrarily default the house renting, so that the renter and the renter can be guaranteed.
In the house leasing process, the internet-of-things house terminal device 05 can also automatically upload usage records, usage quantities and other usage behaviors of the internet-of-things house terminal device into the block chain through the networking device 06. For example, the door lock can record unlocking behavior and times, and the behavior acquisition module 19 stores the unlocking behavior and times into the block chain through the networking device; as another example, a water meter in a house may record the amount of water, the behavior acquisition module 19 saves the amount of water to a blockchain, and so on.
According to the trend of the data stream and the service stream shown in fig. 11, in the embodiment of the present application, the data stream and the service stream can be separated, which is beneficial to protecting private data, can effectively ensure the security and privacy of data, and improves transaction efficiency. Specifically, it is highly efficient that the rental-side device 01 and the rental-side device 02 directly contact order placement and perform digital money transaction through P2P technology on the house rental business flow. And data which need to be identified and ensure safety, such as house source information, leasing party identity information, transaction rules, transaction records and the like involved in transaction can be uploaded to a block chain and ensured through the distributed book characteristic of the block chain.
The shared house leasing system based on the block chain provided by the embodiment comprises an information uploading module, an information retrieval module, a linking module, a signing module, a payment module, a verification module, an authorization module, an information storage module and a behavior acquisition module. The shared house rental system can be operated on renter equipment, renter equipment and supervisor equipment as an application program, and can only grant the supervisor equipment the authority to operate the functions of the supervision and verification module. The leasing side equipment, the monitoring side equipment and the networking equipment for connecting the Internet of things house terminal equipment with the block chain can be used as node equipment of the block chain to form a decentralized network architecture, intermediary participation is not needed, house leasing can be realized in an unattended mode, the characteristics of information non-tampering and information transparency are achieved, data and services of all participants of the house leasing can be exchanged and stored, and authenticity and privacy of the data are guaranteed. The shared house leasing system realizes a new shared house leasing business model, can directly link two main business parties, namely a leasing party and a leasing party, to perform point-to-point house leasing transaction, can ensure the security of the transaction, and has low cost and high efficiency. Data which can be disclosed (such as house source information, transaction records, use behavior records of Internet of things house terminal equipment and the like) or private data which needs to be encrypted (such as leasing party identity information, transaction rules and the like) are all uploaded to a block chain, and the data can be prevented from being tampered and consensus can be guaranteed through distributed account book storage characteristics of the block chain and intelligent contracts. The shared house leasing system can meet the requirements of supervision departments, any supervision department can extract the leasing party identity information, the leasing party identity information or house source information and other related information from the block chain at any time through the supervision party equipment, and the information can be acquired timely and the authenticity of the information can be ensured. The shared house renting system also realizes an unattended house check-in mode through the Internet of things technology, and after house renting transaction is achieved, renters can directly check in houses and enjoy equipment services (such as water, electricity, intelligent home and the like) inside through obtained authorities within authorized time without being interfered or participated by other people, so that the labor cost is saved.
Based on the shared house leasing system of each embodiment, various incentive systems (i.e. a certification mechanism) can be set in the intelligent contract of the block chain to ensure that more people can participate in the whole leasing process, and reasonable incentive and punishment systems are ensured through the certification mechanism to maintain the healthy operation of the whole leasing process, wherein the certification mechanism can include at least one of a deposit collecting rule, a credit evaluation level rule and a credit point rule, for example. For example, a deposit collecting and refunding rule is set in the evidence passing mechanism, after a house leasing contract expires, a leasing party can perform refunding operation through the leasing party device 01, and after the operation is successful, a relevant deposit can be automatically obtained according to the deposit collecting and refunding rule.
In the above embodiment, the block chain is a public chain as an example, and in practical application, the public chain, the private chain, or the federation chain may be selected after evaluating aspects of convenience, cost, efficiency, privacy, and the like of an actual business object.
Based on the shared house renting system of each embodiment, the present application also provides a shared house renting method based on a block chain, a flowchart of which can be seen in fig. 12, and the shared house renting method may include the following steps:
step 101: and uploading the house source information.
When the renter has a house source to rent, the house source information can be uploaded through the renter equipment. The information uploading module 11 detects a first operation of uploading house source information input by a lender, generates first request information according to the first operation, wherein the first request information includes house source information to be rented, and then broadcasts the first request information to the block chain to store the house source information in a distributed database of the block chain, wherein the house source information includes a unique communication identifier of a lender device serving as a lender communication device.
Step 102: and (6) searching a house source.
When the renter has room renting requirements, the needed room source can be searched in the room source information stored on the block chain through the equipment of the renter. Specifically, the information retrieval module 12 detects a second operation of searching for a room source input by the renter, generates second request information according to the second operation, and sends the second request information to the blockchain to trigger a first intelligent contract deployed in the blockchain and used for agreeing on room source searching logic, where the second request information includes room source screening information. The information retrieval module 12 searches a matched house source in the distributed database of the block chain according to the house source screening information based on the house source searching logic appointed in the first intelligent contract, and obtains the house source to be selected and displays the house source to the leasing party. The leasing party can select favorite house sources from the house sources to be selected.
Step 103: and establishing a point-to-point communication link with the leasing party equipment corresponding to the required house source.
After the renter finds the matched room source to be selected through the renter side device, the link module 13 detects a third operation of the renter side to select the needed room source in the room source to be selected, determines the unique communication identifier of the renter side device corresponding to the selected room source according to the third operation, and establishes a point-to-point communication link between the renter side device serving as the renter side communication device and the renter side device corresponding to the unique communication identifier.
Step 104: point-to-point transactions.
After the link module 13 establishes the peer-to-peer communication link between the renter device and the renter device, the renter and the renter can directly perform peer-to-peer transaction through the peer-to-peer communication link.
Specifically, the signing module 14 makes the renter and the renter sign the rental order through the peer-to-peer communication link according to the third operation of the renter, and the payment module 15 can make the renter device pay the renter device directly by using digital money, the digital money has the characteristic of a distributed account book, and as long as the renter and the renter completely agree in the rental agreement, the digital money can be directly used for transaction, and the transaction record can also be directly stored in the distributed account book of the block chain and cannot be tampered.
In practical application, the transaction can be completed by using a third party payment mode, for example, bank payment, pay payment, weChat payment and the like, and the third parties can be used as nodes of the block chain to ensure the validity of the third parties, and the transaction records of the leasing party and the leasing party can be timely recorded in the whole block chain and cannot be falsified.
The method realizes a new house-sharing leasing business model, is realized based on the block chain technology, has the characteristics of decentralization, transparent information and no falsification, does not depend on an intermediate service provider platform for leasing transaction, does not need to participate in intermediaries, can realize house leasing without being attended by people, and ensures the safety of information; in addition, the renter and the renter can directly carry out point-to-point transaction through the established point-to-point communication link, so that the cost is low and the efficiency is high.
The renter device 01, the renter device 02, and the supervisor device 04 described in the embodiments of the present application may be, for example, a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a PDA (Personal Digital Assistant), a PMP (Portable Media Player), a wearable device, a smart band, and a fixed terminal such as a Digital TV, a desktop computer, or the like.
Those skilled in the art will appreciate that all or part of the functions of the various methods in the above embodiments may be implemented by hardware, or may be implemented by computer programs. When all or part of the functions of the above embodiments are implemented by a computer program, the program may be stored in a computer-readable storage medium, and the storage medium may include: a read only memory, a random access memory, a magnetic disk, an optical disk, a hard disk, etc., and the program is executed by a computer to realize the above functions. For example, the program may be stored in a memory of the device, and when the program in the memory is executed by the processor, all or part of the functions described above can be implemented. In addition, when all or part of the functions in the above embodiments are implemented by a computer program, the program may be stored in a storage medium such as a server, another computer, a magnetic disk, an optical disk, a flash disk, or a removable hard disk, and may be downloaded or copied to a memory of a local device, or may be version-updated in a system of the local device, and when the program in the memory is executed by a processor, all or part of the functions in the above embodiments may be implemented.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims (10)

1. A shared house leasing system based on a block chain is characterized in that a first intelligent contract used for appointing house source searching logic is deployed on the block chain; the system comprises:
the system comprises an information uploading module, a block chain and a leasing party communication device, wherein the information uploading module is used for detecting a first operation of uploading house source information input by a leasing party, generating first request information according to the first operation, broadcasting the first request information to the block chain so as to store the house source information to a distributed database of the block chain, and the house source information comprises a unique communication identifier of the leasing party device serving as the leasing party communication device;
the information retrieval module is used for detecting a second operation for searching for the house source input by the leasing party, generating second request information according to the second operation, sending the second request information to the block chain to trigger the first intelligent contract, wherein the second request information comprises house source screening information, searching for a matched house source in a distributed database of the block chain according to the house source screening information based on the house source searching logic agreed in the first intelligent contract, obtaining a house source to be selected and displaying the house source to be selected to the leasing party;
and the link module is used for detecting a third operation of selecting a required house source from the house sources to be selected by the renter, determining a unique communication identifier of the renter equipment corresponding to the selected house source according to the third operation, and establishing a point-to-point communication link between the renter equipment serving as the renter communication equipment and the renter equipment corresponding to the unique communication identifier so as to directly carry out point-to-point transaction between the renter and the renter.
2. The shared house rental system of claim 1, further comprising:
the contract signing module is used for enabling the renter and the renter to sign a renting room order through the point-to-point communication link according to the third operation, wherein the renting room order comprises a renting room protocol;
and the payment module is used for detecting a fourth operation which is input by the leasing party and used for selecting the payment mode, determining the payment mode according to the fourth operation, enabling the leasing party equipment to directly pay for the leasing party equipment corresponding to the unique communication identifier by adopting digital currency through the point-to-point communication link when the determined payment mode is a currency payment mode, and enabling the leasing party equipment to pay for the leasing party equipment corresponding to the selected house source through the third party payment platform when the determined payment mode is the third party payment mode.
3. The shared premise rental system of claim 2, further deployed on the blockchain is a second intelligent contract for engaging transaction information saving logic; the system further comprises:
and the information storage module is used for recording transaction success information of the renter and the renter, sending the transaction success information and the renting room protocol to the block chain to trigger the second intelligent contract, and storing the transaction success information and the renting room protocol into the second intelligent contract of the block chain based on the transaction information storage logic agreed in the second intelligent contract.
4. The shared premise rental system of claim 1, wherein a third intelligent contract for engaging regulatory verification result preservation logic is further deployed on the blockchain;
the information uploading module is also used for receiving the identity information of the lessor input by the lessor and sending the identity information of the lessor to the block chain for storage;
the information retrieval module is also used for receiving leasing party identity information input by a leasing party and sending the leasing party identity information to the block chain for storage;
the system further comprises:
the supervision and verification module is used for acquiring the lessor identity information, the leaser identity information and/or the house source information from the block chain, enabling supervision and verification of the lessor identity information, the leaser identity information and/or the house source information by using supervision and verification equipment serving as supervision and communication equipment to obtain a supervision and verification result, sending the supervision and verification result to the block chain to trigger the third intelligent contract, and storing the supervision and verification result into the third intelligent contract based on supervision and verification result storage logic agreed in the third intelligent contract;
the link module is specifically configured to obtain a supervision and verification result from the third intelligent contract, and when the monitoring and verification result of the tenant identity information, and the house source information of the selected house source corresponding to the selected house source passes, establish a peer-to-peer communication link between the tenant device serving as the tenant communication device and the tenant device corresponding to the unique communication identifier.
5. The shared premise rental system of claim 1, wherein the blockchain is further deployed with a fourth intelligent contract; the system further comprises:
and the authorization module is used for sending a transaction completion message to the blockchain to trigger the fourth intelligent contract to send authorization information to the internet of things house terminal equipment of the house corresponding to the selected house source through the networking equipment after the transaction is completed by the renter and the renter, the networking equipment is the node equipment of the blockchain, and the authorization information is used for verifying the identity verification request information of the renter received by the internet of things house terminal equipment so as to grant the renter the permission to use the internet of things house terminal equipment after the verification is passed.
6. The shared house rental system of claim 5, in which the networked devices comprise cloud servers and/or gateway devices.
7. The shared house rental system of claim 5, further comprising:
and the behavior acquisition module is used for acquiring the use behavior record of the terminal equipment of the Internet of things house through the networking equipment and uploading the use behavior record to the block chain for storage.
8. The shared house rental system of claim 1, further comprising a credentialing mechanism deployed on the blockchain, the credentialing mechanism comprising at least one of a deposit collection rule, a credit rating rule, and a points rule.
9. A shared house leasing method based on a block chain is characterized in that a first intelligent contract used for appointing house source searching logic is deployed on the block chain, and the method comprises the following steps:
detecting a first operation of uploading house source information input by a renter, and generating first request information according to the first operation, wherein the first request information comprises house source information to be rented;
broadcasting the first request information to a block chain so as to store the house source information into a distributed database of the block chain, wherein the house source information comprises a unique communication identifier of a leasing party device serving as a leasing party communication device;
detecting a second operation of searching for a house source input by a leasing party, and generating second request information according to the second operation;
sending the second request information to a block chain to trigger the first intelligent contract, wherein the second request information comprises house source screening information;
based on the house source searching logic appointed in the first intelligent contract, searching a matched house source in a distributed database of a block chain according to the house source screening information to obtain a house source to be selected;
displaying the room source to be selected to a leasing party;
detecting a third operation of a leasing party for selecting a required house source from the house sources to be selected, and determining a unique communication identifier of leasing party equipment corresponding to the selected house source according to the third operation;
and establishing a point-to-point communication link between the leasing party device serving as the leasing party communication device and the leasing party device corresponding to the unique communication identifier so that the leasing party and the leasing party directly carry out point-to-point transaction.
10. A computer-readable storage medium, comprising a program executable by a processor to implement the method of claim 9.
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