CN111383085A - Electronic bidding and bidding guarantee fund management system based on block chain technology - Google Patents

Electronic bidding and bidding guarantee fund management system based on block chain technology Download PDF

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CN111383085A
CN111383085A CN202010144185.9A CN202010144185A CN111383085A CN 111383085 A CN111383085 A CN 111383085A CN 202010144185 A CN202010144185 A CN 202010144185A CN 111383085 A CN111383085 A CN 111383085A
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deposit
bid
payment
bidder
tender
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CN111383085B (en
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石健昆
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Guizhou Guangyiyang Data Technology Co ltd
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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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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3827—Use of message hashing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The application relates to a bid management system, and particularly discloses an electronic bid tender guarantee fund management system based on a block chain technology, which comprises a bid management module and a bid management module, wherein the bid management module and the bid management module are connected through a block chain network; the invitation management module is used for uploading invitation files by an invitation person, loading the bank, account opening name and payment mode of deposit, and writing the information into a first type node in the block chain network; after completing the bid registration, the bidder pays the bid deposit through the bid deposit payment sub-module, and if the payment mode of the bidder conforms to the requirement of the bidder, the bid deposit payment sub-module extracts the payment bank and account information on the page and writes the information into a second type node in the block chain network; and after the tender deposit payment sub-module prompts successful payment, extracting the information of the tenderer, the information of the bidder and the payment amount of the bidder and writing the extracted information of the tenderer, the information of the bidder and the payment amount of the bidder into a third type node in the block chain network.

Description

Electronic bidding and bidding guarantee fund management system based on block chain technology
Technical Field
The invention relates to a bidding management system, in particular to an electronic bidding guarantee fund management system based on a block chain technology.
Background
Bidding is an international practice, is a product of high development of commodity economy, is a mode of preferential bargaining developed by organizations by applying the functions of a technical method, an economic method and a competitive mechanism of market economy. In the purchasing behavior of goods, engineering and services, the bidder attracts a plurality of bidders to perform equal competition according to the same conditions through the pre-published purchase and requirements, and experts in the aspects of technology, economy, law and the like are organized according to the specified procedures to perform comprehensive review on the plurality of bidders, so that the behavior process of the bidder who selects the project preferentially is selected. It is essential to obtain the best goods, projects and services at a lower price.
According to the 3 rd regulation of the Bingpo Bidding method, the following engineering construction projects including investigation, design, construction and supervision of projects and purchase of important equipment, materials and the like related to engineering construction are carried out in the China, and Bingpo Bidding must be carried out: (1) large-scale infrastructure, public utilities and other related social public interests, public safety projects; (2) using the national capital investment or national financing project in whole or in part; (3) and using the international organization or the foreign government to loan and assist the fund.
With the popularization of electronic bidding, the payment of the bid security deposit is said to be the related behavior of the bidder restricting the bidder, so that the bidder makes the form of guarantee commitment to be used as the payment guarantee of the bidder. The existing on-line payment guarantee fund can not adapt to the development requirement of the existing electronic tendering and bidding. In particular, in the aspect of the deposit, the payment mode mainly adopts offline payment and assisted online payment, so that the efficiency is low, the constraint is poor, the deposit is not properly monitored, and the compliance of the deposit payment cannot be achieved.
Disclosure of Invention
The invention aims to provide an electronic tendering and bidding deposit management system based on a block chain technology, which is used for mutually restricting tendering and bidding units, improving the deposit payment safety problem and ensuring the standard and order of tendering and bidding activities.
The electronic bid tendering and bidding guarantee fund management system based on the block chain technology comprises a bid tendering management module and a bid management module, wherein the bid tendering management module is connected with the bid management module through a block chain network;
the tender mark management module is used for uploading tender mark files by tenderers, specifying a deposit fund collection bank, an account opening name and a payment mode in the tender mark files, simultaneously carrying out hash encryption on the information to obtain a deposit fund requirement abstract, and writing the deposit fund requirement abstract into a first type of node in the block chain network;
the bid management module comprises a bid registration sub-module and a bid security payment sub-module;
the bidding and reporting submodule is used for carrying out bidding and reporting by bidders;
paying the bid deposit through a bid deposit payment sub-module after the bidder finishes the bid registration, and prompting that the tender cannot pay if the payment mode of the bidder is detected to be inconsistent with the requirement of the tenderer; if the payment mode of the bidder is in accordance with the requirement of the tenderer, the tender deposit payment sub-module extracts the information of the payment bank and the account on the page and writes the information into a second type node in the block chain network;
after the tender deposit payment submodule prompts that payment is successful, the tender deposit payment submodule extracts information of the tenderer, information of the bidder and payment amount of the bidder, generates a tender information abstract by using Hash encryption, and writes the tender information abstract into a third type node in the block chain network.
The beneficial effect of this scheme lies in:
the invention can effectively improve the normal restraint of the tenderer and the bidder, can efficiently finish the tendering and bidding work, greatly improve the efficiency of paying the deposit, save time for the bidder and ensure the safety of funds; the method for paying the deposit is simple and effective, can ensure the safety of paying the deposit and restrict the bidding behavior of bidders to the maximum extent; the invention can effectively reduce the process of paying the deposit, can form a relationship of coordination and restriction, can enhance the responsibility of the bidder and can reduce the working strength of the tenderer.
The first preferred scheme is as follows: as a further optimization of the basic scheme, the blockchain network is a dynamic network, allowing each blockchain link point to enter and exit at any time. The dynamic network can be adopted to enable the tenderer and the bidder to flexibly call the related information of the payment of the deposit, so that the use is more humanized.
The preferred scheme II is as follows: as a further optimization of the first preferred scheme, the tender payment sub-module extracts information of a payment bank and an account on a page, generates a tender payment abstract by using hash encryption, and writes the tender payment abstract into a second type node in the block chain network. Security may be improved by encrypting and then writing to the blockchain.
The preferable scheme is three: as a further optimization of the preferred scheme two, the bid management module further comprises a screen capture submodule, wherein the bid deposit payment submodule enters a deposit payment page and detects that the payment mode of the bidder is in accordance with the requirement of the tenderer, and the screen capture submodule is called to capture the page information and store a local file of 'bidder + bid item + deposit payment abstract' and upload the local file to a second type node of the block chain network;
when logging in, the bid inviting management module downloads files of bidders, bid items and deposit summary from the block chain network and stores the files as local files.
And the transfer information of the bidders is subjected to screen capture and storage, and the bidders and the bid items are recorded in the file names, so that the file searching is facilitated. After the bidder finishes paying the deposit, the files of the bidder, the tender item and the deposit payment abstract are downloaded to a local file of the tenderer for backup, so that the data can be prevented from being lost, and the tenderer can conveniently look up the record condition of the deposit payment.
The preferable scheme is four: as a further optimization of the preferred scheme three, the bid inviting management module comprises an information prompting submodule, and after the bid inviting management module successfully downloads the files of 'bidder + bid item + deposit summary', the information prompting submodule sends out information for prompting receipt of the deposit. By sending the received guarantee fund prompt message, the tenderer is prompted to check the condition that the guarantee fund arrives money.
The preferable scheme is five: as a further optimization of the preferred embodiment, the bid management module comprises a document printing module; after the tender management module successfully downloads the files of 'bidder + tender item + deposit summary', the file printing module is called to print the files of 'bidder + tender item + deposit summary'. The file printing module is called to print the file into a paper file, and the paper file backup is carried out, so that the data security can be improved.
The preferable scheme is six: as a further optimization of the preferred scheme five, the bid management module further comprises a local file management submodule; and the tenderer tendering management module refunds the deposit and completes refund marking, and meanwhile, the local file management submodule is called to delete the corresponding files of the bidder, the tender item and the deposit summary.
After the refund of the deposit is finished, the local file management submodule is called to delete the corresponding files of the tender person, the tender item and the deposit summary, so that the tenderer can clearly determine the refund condition of the deposit, and the condition that the deposit refund is omitted is avoided.
The preferable scheme is seven: as a further optimization of the sixth preferred embodiment, the document printing module comprises a printer in signal connection with the document display module and a filing box for filing the paper documents; the filing box comprises a box body, a file conveying part and a partition driving part; the front side of the box body is provided with a door body capable of opening the box body, the top of the box body is provided with an opening, and the file conveying part is arranged at the top of the box body; the file conveying part comprises a guide plate, a driving mechanism and an airflow generating mechanism; the bottom surface of the guide plate is fixedly provided with a hinged shaft, the guide plate is hinged on the side wall of the box body through the hinged shaft, and the driving mechanism drives the guide plate to swing in a reciprocating manner through gear and rack transmission; the hinge driving part is arranged on the rear side face of the box body and comprises a hinge storage box and a hinge roller, the hinge storage box is connected to the rear side wall of the box body in a sliding mode, a pressure spring abutting against the hinge storage box is arranged below the hinge storage box, a hinge inlet tangent to the lowest position of the hinge roller is formed in the rear side wall of the box body, and a hinge shaft drives the hinge roller to roll in a single direction through a one-way bearing; the airflow generating mechanism comprises a first fan and a second fan which are fixed on the side wall of the box body, a hinged shaft drives the first fan to operate through gear transmission, a leaf separating roller drives the second fan to operate, a first air port facing the interior of the box body is arranged on the front side of the box body, and an air outlet of the first fan is communicated with the first air port; and a second air port is formed in one end, facing the front side of the box body, of the guide plate and is communicated with an air outlet of the second fan.
In the process of overturning the guide plate, the paper document slides into the box body from the guide plate, and at the moment, airflow is blown out from the first air opening to bend the paper document towards the rear side face of the box body; and in the process that the guide plate returns to the horizontal state from the inclined state, the second air opening blows out air flow, the air flow acts on the end part of the paper document which finally leaves the guide plate, the paper document can fall downwards in the horizontal state, and the paper document is prevented from being bent. The separation page roller rotates to enable the separation page to enter the box body, and is paved above the paper documents, so that the separation effect on the paper documents is achieved, and the paper documents can be conveniently found in the later period.
Drawings
FIG. 1 is a logic diagram of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a second filing box according to an embodiment of the present invention;
FIG. 3 is a side view of a second filing box according to an embodiment of the present invention.
Detailed Description
The first embodiment is as follows:
the electronic bid tendering and bidding guarantee fund management system based on the block chain technology comprises a bid tendering management module and a bid management module, wherein the bid tendering management module is connected with the bid management module through a block chain network; the block chain network is a dynamic network, and each block chain link point is allowed to enter and exit at any time.
The tender mark management module is used for uploading tender mark files by tenderers, specifying a deposit fund collection bank, an account opening name and a payment mode in the tender mark files, simultaneously carrying out hash encryption on the information to obtain a deposit fund requirement abstract, and writing the deposit fund requirement abstract into a first type of node in the block chain network;
the bid management module comprises a bid registration sub-module and a bid security payment sub-module;
the bidding and reporting submodule is used for carrying out bidding and reporting by bidders;
paying the bid deposit through a bid deposit payment sub-module after the bidder finishes the bid registration, and prompting that the tender cannot pay if the payment mode of the bidder is detected to be inconsistent with the requirement of the tenderer; if the payment mode of the bidder is in accordance with the requirement of the tenderer, the tender deposit payment sub-module extracts information of a payment bank and an account on a page, generates a tender deposit payment abstract by using Hash encryption, and writes the tender deposit abstract into a second type node in the block chain network;
after the tender deposit payment submodule prompts that payment is successful, the tender deposit payment submodule extracts information of the tenderer, information of the bidder and payment amount of the bidder, generates a tender information abstract by using Hash encryption, and writes the tender information abstract into a third type node in the block chain network.
The process of the system for executing the payment of the bid security deposit comprises the following steps:
s1: the tenderer specifies a deposit collection bank, an account opening name and a payment mode in a tendering file, hashes and encrypts the information to obtain a deposit requirement abstract, and writes the deposit requirement abstract into a first type node in the block chain network; the bidder obtains information such as a deposit collection bank, an account, an opening name, a payment mode and the like through the deposit requirement abstract, and transfers the deposit according to the obtained information;
s2: after the tender registration, the bidder starts to pay the deposit according to the conditions required by S1;
s3: if the payment mode of the bidder is not in accordance with the requirement of the tenderer, prompting that the tender cannot be paid; if the payment mode of the bidder is in accordance with the requirement of the tenderer, entering the next step, and when entering the deposit payment, using hash encryption to the information of the payment bank and the account to obtain a deposit payment abstract and writing the deposit payment abstract into a second type node in the block chain network;
s4: and the bidder finishes payment and receives the prompt of successful payment, hash encryption is used for the information of the bidder, the information of the bidder and the payment amount of the bidder to obtain a deposit information abstract, and the deposit information abstract is written into a third type node in the block chain network. The information of the tenderer comprises the name of the tenderer and tendering items; the bidder information includes a bidder name, a bid item.
The tenderer uploads a tendering file and records a guarantee fund payment mode and payment information in a tenderer management module; and the bidder executes the bid security payment step through the bidder management module.
In the specific execution steps of the electronic tendering and bidding deposit payment method, a deposit collection bank, an account, an opening name and a payment mode required by a tenderer are encrypted and stored as a deposit requirement abstract; encrypting and storing payment information (payment bank and account information) of the tender payment of the deposit as a deposit payment abstract; and after the payment is successful, the tenderer information, the bidder information and the payment amount of the bidder are encrypted and stored as the information abstract of the deposit. Namely, the whole information of the payment of the deposit is divided and stored into a deposit requirement abstract, a deposit payment abstract and a deposit information abstract; and the deposit requirement abstract, the deposit payment abstract and the deposit information abstract are respectively added to a first type node, a second type node and a third type node of the block chain network; because all the information is correlated with each other and is stored on different block chain network nodes, the key data in the deposit payment information can be prevented from being falsified or lost, the whole deposit payment information cannot be traced, and the deposit payment safety can be improved.
Example two:
the difference between the second embodiment and the first embodiment is that: in the second embodiment, the bid inviting management module further comprises a file printing module and a local file management submodule; the bid management module further comprises a screen capture sub-module and an information prompt sub-module.
A screen capture submodule: after entering the tender deposit payment program, the tender deposit payment submodule detects that the payment mode of the bidder is in accordance with the requirement of the tenderer, the screen capture submodule is called to capture the page information and store the local file as the bidder, the tender item and the tender deposit summary, and the local file is uploaded to a second type node of the block chain network.
An information prompt submodule: after the tender management module successfully downloads the files of 'bidder + tender item + deposit summary', the information prompt sub-module is called to send out the prompt information of deposit receipt.
A file printing module: after the tender management module successfully downloads the files of 'bidder + tender item + deposit summary', the file printing module is called to print the files of 'bidder + tender item + deposit summary' so as to archive the paper files.
The local file management submodule comprises: and the tenderer tendering management module refunds the deposit and completes refund marking, and meanwhile, the local file management submodule is called to delete the corresponding files of the bidder, the tender item and the deposit summary.
The process of the system for executing the payment of the bid security deposit comprises the following steps:
s1: the tenderer specifies a deposit collection bank, an account opening name and a payment mode in a tendering file, hashes and encrypts the information to obtain a deposit requirement abstract, and writes the deposit requirement abstract into a first type node in the block chain network; the bidder obtains information such as a deposit collection bank, an account, an opening name, a payment mode and the like through the deposit requirement abstract, and transfers the deposit according to the obtained information;
s2: after the tender registration, the bidder starts to pay the deposit according to the conditions required by S1;
s3: if the payment mode of the bidder is not in accordance with the requirement of the tenderer, prompting that the tender cannot be paid; if the payment mode of the bidder is in accordance with the requirement of the tenderer, entering the next step, and when entering the deposit payment, using hash encryption to the information of the payment bank and the account to obtain a deposit payment abstract and writing the deposit payment abstract into a second type node in the block chain network; simultaneously, automatically capturing the page information, storing the page information as a file of 'bidder + bid item + deposit summary' on a bidder computer, and uploading the file to a second type node of the block chain network;
s4: the bidder finishes payment and receives the prompt of successful payment, hash encryption is used for tenderer information, bidder information and the payment amount of the bidder to obtain a deposit information abstract, and the deposit information abstract is written into a third type node in the block chain network;
after the tenderer logs in the tendering system, the tendering system automatically downloads the files of 'bidder + tender item + deposit fund payment summary' from the blockchain network and stores the files into a computer of the tenderer, and the printer prints the files of 'bidder + tender item + deposit fund payment summary' to be filed as paper files; and sending out a guarantee fund receiving prompt message.
S5: after completing the refund of the deposit, the tenderer adds a refund completion mark, and simultaneously, a tender management module of the tender system automatically deletes files of 'bidder + tender item + deposit summary' in a tender computer.
In the second embodiment, the transfer information of the bidder is screenshot and stored through the screen capture submodule, and the bidder and the bid item are recorded in the file name, so that file searching is facilitated. In addition, only after the bidder successfully pays the deposit, the tenderer can download the files of 'bidder + bid item + deposit summary', so as to obtain the relevant information of the bidder.
After the bidder finishes paying the deposit, the files of the bidder, the tender item and the deposit payment abstract are downloaded to a local file of the tenderer for backup, so that the data can be prevented from being lost, and the tenderer can conveniently look up the record condition of the deposit payment. And after the downloading of the files of the bidder, the bid item and the deposit summary is finished, the files are printed into paper files by the calling file printing module, and the paper files are backed up to improve the data security.
And after the refund of the deposit is finished, the local file management submodule is called to delete the corresponding files of the bidder, the bid item and the deposit summary, so that the tenderer determines the refund condition of the deposit and avoids the omission condition of the deposit refund.
In this embodiment, the document printing module includes a printer and a filing box for filing paper documents. As shown in fig. 2 and 3, the filing box includes a box body 10, a document transfer section, and a partition driving section; the front of the box body 10 is provided with a door body 11 capable of opening the box body 10, one side edge of the door body 11 is hinged with the box body 10 through a hinge, and the other side edge of the door body 11 is provided with a lock catch capable of being locked with the box body 10.
The top of the casing 10 is provided with an opening, and the document conveying part is provided on the top of the casing 10. The document conveying part comprises a guide plate 20, a driving mechanism and an airflow generating mechanism; the middle part of the bottom surface of the guide plate 20 is fixed with a hinged shaft, the hinged shaft hinges the guide plate 20 on the side wall of the box body 10, one end of the hinged shaft is fixed with a driving gear, a rack which is in sliding connection with the side wall of the box body 10 is arranged below the driving gear, and the driving gear is meshed with the rack, so that in the process that the rack slides in a reciprocating manner, the driving gear drives the guide plate 20 to swing in a reciprocating manner. In this embodiment, when the distance between the rack and the door 11 is the minimum, the distance between the rack and the door 11 is the maximum, and when the rack is located at the initial position, the guide plate 20 is in the horizontal state and the guide plate 20 closes the opening at the top of the box 10; when the rack is at the limit position, the guide plate 20 is inclined downwards towards one side of the door body 11, and the angle between the guide plate 20 and the horizontal plane is 45 degrees. The driving mechanism adopts a reciprocating cylinder, and the rack can be driven to slide in a reciprocating manner through the reciprocating cylinder.
Two opposite sides of the upper surface of the guide plate 20 are provided with protruding ribs protruding upwards, so that the upper surface of the guide plate 20 forms a groove 21, when the guide plate 20 is in a horizontal state, the protruding ribs are perpendicular to the front surface of the box body 10, and the groove 21 is also perpendicular to the front surface of the box body 10. With the guide plate 20 in the horizontal state, one end of the channel 21 is aligned with the paper exit of the printer, so that the printed paper document 50 will be placed in the channel 21.
Mechanism takes place for the air current is including fixing first fan and the second fan on the box 10 lateral wall, and the other end of articulated shaft is fixed with driving gear 22, is equipped with driven gear in the axis of rotation of the impeller of first fan, and driving gear 22 and driven gear meshing, and the gear ratio of driving gear 22 and driven gear is 10: 1; when the guide plate 20 is turned over, the driving gear 22 will drive the impeller of the first fan to rotate rapidly.
The page separation driving part is arranged on the rear side surface of the box body 10 and comprises a page separation storage box 30 and a page separation roller 40, and the page separation storage box 30 is connected to the rear side wall of the box body 10 in a sliding mode and can slide in the vertical direction; the baffle roller 40 is arranged above the baffle storage box 30 and is connected with the box body 10 in a rotating mode, the compression spring 31 which is abutted against the bottom of the baffle storage box 30 is arranged below the baffle storage box 30, and the baffle roller 40 and the baffle storage box 30 are mutually extruded by the compression spring 31. A leaf separating inlet tangent to the lowest position of the leaf separating roller 40 is arranged on the rear side wall of the box body 10; the separating pages are colored and are arranged in the separating page storage box 30, the separating page roller 40 is tightly pressed on the separating pages, and the separating pages can be pushed into the box body 10 from the separating page inlet by the separating page roller 40 under the condition that the separating page roller 40 rotates rapidly.
One end of the page separation roller 40 is provided with a ratchet and pawl mechanism, so that the page separation mechanism can only rotate in one direction; the other end of the leaf separating roller 40 is connected with an intermediate gear 41 through a one-way bearing 42, and the intermediate gear 41 and the driving gear 22 form a gear transmission relationship, so that the driving gear 22 can unidirectionally input power to the leaf separating roller 40 to drive the leaf separating roller 40 to rotate. In order to provide sufficient friction between the leaf roller 40 and the leaves, the surface of the leaf roller 40 is covered with a rubber layer.
The rotating shaft connected with the impeller of the second fan is fixed with the page separation roller 40, so that the rotation of the page separation roller 40 drives the impeller of the second fan to rotate at the same time. A first air port 12 facing the interior of the box body 10 is formed in the front surface of the box body 10, and an air outlet of the first fan is communicated with the first air port 12; and a second air port 13 is arranged at one end of the guide plate 20 facing the front surface of the box body 10, and the second air port 13 is communicated with an air outlet of the second fan.
When the printed paper document 50 is in the groove 21 of the guide plate 20, the guide plate 20 is turned upside down, and the paper document 50 slides from the groove 21 into the housing 10. In the process of turning over the guide plate 20, the paper document 50 slides into the box body 10 from the groove 21 of the guide plate 20, and at the moment, the first air opening 12 blows air flow to bend the paper document 50 towards the back side face of the box body 10; in the process of returning the guide plate 20 from the inclined state to the horizontal state, the second air opening 13 blows air which acts on the end of the paper document 50 which finally leaves the groove 21 on the upper surface of the guide plate 20, thereby facilitating the paper document 50 to fall down in the horizontal state to avoid the paper document 50 from being bent. In addition, the partition roller 40 rotates to enable the partition to enter the box body 10 and be laid above the paper documents 50, so that the partition has a partition effect on the paper documents 50, and the paper documents 50 can be conveniently searched in a later period.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (8)

1. The electronic bid tendering and bidding deposit management system based on the block chain technology is characterized by comprising a bid tendering management module and a bid management module, wherein the bid tendering management module is connected with the bid management module through a block chain network;
the tender mark management module is used for uploading tender mark files by tenderers, specifying a deposit fund collection bank, an account opening name and a payment mode in the tender mark files, simultaneously carrying out hash encryption on the information to obtain a deposit fund requirement abstract, and writing the deposit fund requirement abstract into a first type of node in the block chain network;
the bid management module comprises a bid registration sub-module and a bid security payment sub-module;
the bidding and reporting submodule is used for carrying out bidding and reporting by bidders;
paying the bid deposit through a bid deposit payment sub-module after the bidder finishes the bid registration, and prompting that the tender cannot pay if the payment mode of the bidder is detected to be inconsistent with the requirement of the tenderer; if the payment mode of the bidder is in accordance with the requirement of the tenderer, the tender deposit payment sub-module extracts the information of the payment bank and the account on the page and writes the information into a second type node in the block chain network;
after the tender deposit payment submodule prompts that payment is successful, the tender deposit payment submodule extracts information of the tenderer, information of the bidder and payment amount of the bidder, generates a tender information abstract by using Hash encryption, and writes the tender information abstract into a third type node in the block chain network.
2. The system of claim 1, wherein: the block chain network is a dynamic network, and allows each block chain link point to enter and exit at any time.
3. The system of claim 2, wherein: the tender deposit payment sub-module extracts information of a payment bank and an account on a page, generates a tender deposit payment abstract by using Hash encryption, and writes the tender deposit abstract into a second type node in the block chain network.
4. The system of claim 3, wherein: the bid management module further comprises a screen capture submodule, the bid deposit payment submodule enters a deposit payment page and detects that the payment mode of the bidder is in accordance with the requirement of the tenderer, the screen capture submodule is called to screen the page information and store a local file of 'bidder + bid item + deposit payment abstract', and the local file is uploaded to a second type node of the block chain network;
when logging in, the bid inviting management module downloads files of bidders, bid items and deposit summary from the block chain network and stores the files as local files.
5. The system of claim 4, wherein: the bid inviting management module comprises an information prompting submodule, and after the bid inviting management module successfully downloads the files of bidders, bid items and deposit payment abstracts, the information prompting submodule sends out deposit receiving prompting information.
6. The system of claim 5, wherein: the bid inviting management module comprises a file printing module; after the tender management module successfully downloads the files of 'bidder + tender item + deposit summary', the file printing module is called to print the files of 'bidder + tender item + deposit summary'.
7. The system of claim 6, wherein: the bid inviting management module also comprises a local file management submodule; and the tenderer tendering management module refunds the deposit and completes refund marking, and meanwhile, the local file management submodule is called to delete the corresponding files of the bidder, the tender item and the deposit summary.
8. The system of claim 7, wherein: the file printing module comprises a printer and a filing box for filing paper files; the filing box comprises a box body, a file conveying part and a partition driving part; the front side of the box body is provided with a door body capable of opening the box body, the top of the box body is provided with an opening, and the file conveying part is arranged at the top of the box body; the file conveying part comprises a guide plate, a driving mechanism and an airflow generating mechanism; the bottom surface of the guide plate is fixedly provided with a hinged shaft, the guide plate is hinged on the side wall of the box body through the hinged shaft, and the driving mechanism drives the guide plate to swing in a reciprocating manner through gear and rack transmission; the hinge driving part is arranged on the rear side face of the box body and comprises a hinge storage box and a hinge roller, the hinge storage box is connected to the rear side wall of the box body in a sliding mode, a pressure spring abutting against the hinge storage box is arranged below the hinge storage box, a hinge inlet tangent to the lowest position of the hinge roller is formed in the rear side wall of the box body, and a hinge shaft drives the hinge roller to roll in a single direction through a one-way bearing; the airflow generating mechanism comprises a first fan and a second fan which are fixed on the side wall of the box body, a hinged shaft drives the first fan to operate through gear transmission, a leaf separating roller drives the second fan to operate, a first air port facing the interior of the box body is arranged on the front side of the box body, and an air outlet of the first fan is communicated with the first air port; and a second air port is formed in one end, facing the front side of the box body, of the guide plate and is communicated with an air outlet of the second fan.
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