CN110189190A - Way of invitation for bid, device, computer equipment and storage medium based on block chain - Google Patents
Way of invitation for bid, device, computer equipment and storage medium based on block chain Download PDFInfo
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- CN110189190A CN110189190A CN201910341156.9A CN201910341156A CN110189190A CN 110189190 A CN110189190 A CN 110189190A CN 201910341156 A CN201910341156 A CN 201910341156A CN 110189190 A CN110189190 A CN 110189190A
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- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
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Abstract
This application discloses a kind of way of invitation for bid based on block chain, device, computer equipment and storage mediums, which comprises receives the request for the addition block chain that second terminal is sent；Allow the second terminal that the block chain is added, and the second terminal is denoted as designated blocks chain node；Receive the project for bidding information that the designated blocks chain node is sent, and the intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent is received and installs, and receive and the bidding documents that the block chain node as suitor of the intelligent contract is sent is installed；The bidding documents is sent to the designated blocks chain node, and receives assessment of bids result and notice on bid winning that the designated blocks chain node is made according to the bidding documents；The assessment of bids result and notice on bid winning are sent to all block chain nodes, to complete bid process, the process that bid platform is established in repetition is eliminated, saves extra cost and time.
Description
Technical field
This application involves computer field is arrived, a kind of way of invitation for bid based on block chain, device, calculating are especially related to
Machine equipment and storage medium.
Background technique
Buying would generally be divided into competitive bidding, invited bidding, inquiry procurement, single source buying etc., be directed to multiple
Participant: sector of demand, Finance Department, purchasing department, vendors, air control and audit department, and procurement process and link
It is complex.The prior art generally requires Party A enterprise and provides procurement platform, participate in the confession of bid to reach the requirement of bid
It answers completion data input and data in Shang Qi platform to check, provides procurement platform using Party A enterprise later and complete entire call for bid
Process.However, each enterprise can provide service or need to purchase, and the identity of each main body is not exhausted in real scene
Pair, i.e., the supplier but to call for bid at participation in next bidding process in the Party A enterprise of last time bidding process, therefore
Next bidding process needs to build a purchasing system again, thus will appear it is a large amount of repeat cost, need to expend it is extra at
Sheet and time.
Summary of the invention
The main purpose of the application is to provide a kind of way of invitation for bid based on block chain, device, computer equipment and storage
Medium, it is intended to complete bidding process using the block chain constructed in advance, eliminate the process that bid platform is established in repetition, save
Extra cost and time.
In order to achieve the above-mentioned object of the invention, the application proposes a kind of way of invitation for bid based on block chain, is applied to first eventually
End, comprising:
It receives the information of the default common recognition mechanism for the agreement block chain that second terminal is sent and the block chain is added
Request, wherein the first terminal is the certificate authority node of the block chain constructed in advance；
Allow the second terminal that the block chain is added, and the second terminal is denoted as designated blocks chain node；
The project for bidding information that the designated blocks chain node is sent is received, and receives and the designated blocks chain is installed
The intelligent contract corresponding with the project for bidding information that node is sent, and receive the intelligent contract is installed be used as competitive bidding
The bidding documents that the block chain node of person is sent；
The bidding documents is sent to the designated blocks chain node, and receives the designated blocks chain node according to the bidding documents
The assessment of bids result and notice on bid winning made；
The assessment of bids result and notice on bid winning are sent to all block chain nodes, to complete bid process.
Further, described to allow the second terminal that the block chain is added, and the second terminal is denoted as specified
The step of block chain node, comprising:
Judge the second terminal whether there is in it is preset can be in grant column list；
If the second terminal is present in and preset the second terminal can be denoted as designated blocks chain in grant column list
Node, and according to it is described can grant column list sign and issue to the second terminal letter of identity of the second terminal, and by described
Two terminals are denoted as designated blocks chain node.
Further, the project for bidding information for receiving the designated blocks chain node and sending, and receive and install
The intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent, and receive and the intelligence is installed
The step of bidding documents that the block chain node as suitor of contract is sent, comprising:
The project for bidding information that the designated blocks chain node is sent is received, and receives and the designated blocks chain is installed
The intelligent contract corresponding with the project for bidding information that node is sent；
The bidding documents for receiving the block chain node transmission for being equipped with the intelligent contract sends in one's application；
Judge to send the block chain node that the bidding documents sends in one's application whether call it is competing with the participation in the intelligent contract
Mark method；
If the block chain node for sending bidding documents have invoked with the participation competitive tender method in the intelligent contract, marked sending
The block chain node of book sends in one's application according to the bidding documents as suitor and receives the bidding documents of suitor's transmission.
Further, described to send the bidding documents to the designated blocks chain node, and receive the designated blocks chain link
The step of assessment of bids result and notice on bid winning that point is made according to the bidding documents, comprising:
The bid amount of money in the bidding documents is compared with preset cost, is retained | the bid amount of money-preset cost | it is less than
The bidding documents of the default error amount of money；
To described in designated blocks chain node transmission | the bid amount of money-preset cost | less than the mark of the default error amount of money
Book, and the designated blocks chain node is received according to | the bid amount of money-preset cost | less than the bidding documents of the default error amount of money
The assessment of bids result and notice on bid winning made.
Further, described to send the assessment of bids result and notice on bid winning to all block chain nodes, to complete to recruit
The step of marking process, comprising:
The assessment of bids result and notice on bid winning are sent to all block chain nodes；
Judge within the publicity time as defined in the intelligent contract, if received the area for being equipped with the intelligent contract
The objection request that block chain node is sent；
The objection request that the block chain node of the intelligent contract is sent is installed if not receiving, calls the intelligence
Closing project approach in contract, to close project for bidding to complete bid process.
Further, described to send the assessment of bids result and notice on bid winning to all block chain nodes, to complete to recruit
After the step of marking process, comprising:
Another project for bidding information that another block chain node is sent is received, and receives and another block chain is installed
The intelligent contract corresponding with another project for bidding information that node is sent, and receive and be equipped with and another project for bidding
The bidding documents that the block chain node as suitor of the corresponding intelligent contract of information is sent；
Bidding documents is sent to another block chain node, and receives another block chain node and is commented according to what bidding documents was made
Mark result and notice on bid winning；
Assessment of bids result and notice on bid winning are sent to all block chain nodes, to complete the process of another bid.
Further, the information of the default common recognition mechanism for receiving the agreement block chain that second terminal is sent with plus
Enter the request of the block chain, wherein the step of first terminal is the certificate authority node of the block chain constructed in advance it
Before, comprising:
Block chain class is created in the first terminal using Go language；
Wound generation block will be obtained after block chain class instantiation, set the cryptographic Hash of previous block in the wound generation block
It is set to 0, the wound generation block is based on, generates other blocks, wherein other described blocks record the previous of other blocks
The cryptographic Hash of block；
Byzantine failure tolerance mechanism is set by the common recognition mechanism of the block chain.
The application provides a kind of bid device based on block chain, is applied to first terminal, comprising:
Request reception unit is added, the default common recognition mechanism of the agreement block chain for receiving second terminal transmission
Information and the request that the block chain is added, wherein the first terminal is the certificate authority node of the block chain constructed in advance；
Allow adding unit, for allowing the second terminal that the block chain is added, and the second terminal is denoted as
Designated blocks chain node；
Bidding documents receiving unit, the project for bidding information sent for receiving the designated blocks chain node, and receive simultaneously
The intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent is installed, and receive be equipped with it is described
The bidding documents that the block chain node as suitor of intelligent contract is sent；
Bidding documents transmission unit for sending the bidding documents to the designated blocks chain node, and receives the designated blocks
The assessment of bids result and notice on bid winning that chain node is made according to the bidding documents；
Assessment of bids result transmission unit, for sending the assessment of bids result and notice on bid winning to all block chain nodes, from
And complete bid process.
The application provides a kind of computer equipment, including memory and processor, and the memory is stored with computer journey
The step of sequence, the processor realizes any of the above-described the method when executing the computer program.
The application provides a kind of computer readable storage medium, is stored thereon with computer program, the computer program
The step of method described in any of the above embodiments is realized when being executed by processor.
The way of invitation for bid based on block chain, device, computer equipment and the storage medium of the application, permission described second is eventually
The block chain is added in end, and the second terminal is denoted as designated blocks chain node, receives and is equipped with the intelligent contract
The bidding documents that block chain node as suitor is sent, receives the assessment of bids that the designated blocks chain node is made according to the bidding documents
As a result and notice on bid winning, the assessment of bids result and notice on bid winning are sent to all block chain nodes, to realize
Bidding process is completed using the block chain constructed in advance, eliminates the process that bid platform is established in repetition.
Detailed description of the invention
Fig. 1 is the flow diagram of the way of invitation for bid based on block chain of one embodiment of the application；
Fig. 2 is the structural schematic block diagram of the bid device based on block chain of one embodiment of the application；
Fig. 3 is the structural schematic block diagram of the computer equipment of one embodiment of the application.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Referring to Fig.1, the embodiment of the present application provides a kind of way of invitation for bid based on block chain, is applied to first terminal, comprising:
S1, the information for receiving the default common recognition mechanism for agreeing to the block chain that second terminal is sent and the addition block
The request of chain, wherein the first terminal is the certificate authority node of the block chain constructed in advance；
S2, allow the second terminal that the block chain is added, and the second terminal is denoted as designated blocks chain node；
S3, the project for bidding information that the designated blocks chain node is sent is received, and receives and the specified area is installed
The intelligent contract corresponding with the project for bidding information that block chain node is sent, and receive the conduct for being equipped with the intelligent contract
The bidding documents that the block chain node of suitor is sent；
S4, Xiang Suoshu designated blocks chain node send the bidding documents, and receive the designated blocks chain node according to
The assessment of bids result and notice on bid winning that bidding documents is made；
S5, Xiang Suoyou block chain node send the assessment of bids result and notice on bid winning, to complete bid process.
As described in above-mentioned steps S1, the information of the default common recognition mechanism for the agreement block chain that second terminal is sent is received
With the request that the block chain is added, wherein the first terminal is the certificate authority node of the block chain constructed in advance.Block
Chain is a kind of network of decentralization, according to the difference of decentralization degree, can be divided into publicly-owned chain, alliance's chain and privately owned chain.This
Apply for preferred alliance's chain, such as super account book alliance chain (hyperledger fabric alliance chain).Wherein, certificate authority node
(CA node, Certificate Authority) refers to the node of each node identities of management in the block chain (alliance's chain), packet
It includes by signing and issuing the letter of identity for representing node identities to corresponding node, to prove the identity of node in the block chain.
Therefore the agreement that the block chain needs to obtain the first terminal as certificate authority node will be added in second terminal.Due to this Shen
Please preferred alliance chain, and be employed as the first terminal of certificate authority node, therefore preferably default common recognition mechanism is Byzantium
Fault tolerant mechanism.Wherein Byzantine failure tolerance mechanism also referred to as authorizes Byzantine failure tolerance algorithm, is to be selected based on equity ratio is held specially
Then the book keeping operation people (accounting nodes) of door passes through the Byzantine failure tolerance algorithm (voting machine that i.e. the minority is subordinate to the majority between book keeping operation people
System) reach common understanding, determine that dynamic participates in node.
As described in above-mentioned steps S2, allow the second terminal that the block chain is added, and the second terminal is denoted as
Designated blocks chain node.If the first terminal as certificate authority node allows the second terminal that the block chain is added,
The second terminal is denoted as designated blocks chain node.Further, allow the second terminal that the mistake of the block chain is added
Journey include: judge the second terminal whether there is in it is preset can be in grant column list；If the second terminal is present in default
Can in grant column list, then using the second terminal as block chain node, and according to it is described can grant column list to described second
Terminal signs and issues the letter of identity of the second terminal.
As described in above-mentioned steps S3, the project for bidding information that the designated blocks chain node is sent is received, and receive simultaneously
The intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent is installed, and receive be equipped with it is described
The bidding documents that the block chain node as suitor of intelligent contract is sent.Specifically process includes: that tenderer passes through in block chain
A node (designated blocks chain node) generate intelligent contract corresponding with the project for bidding information, then by the intelligence conjunction
It is about sent in other nodes including first terminal of block chain, the block chain node for participating in project for bidding intentionally can pacify
It fills the intelligent contract and calls the participation way of invitation for bid in the intelligent contract to become suitor, suitor will be ready-made
Bidding documents is sent in block chain in other nodes including first terminal, so that the tenderer can obtain the mark
Book.Further, the intelligent contract, which also defines only tenderer and suitor, can check the content of the bidding documents.
As described in above-mentioned steps S4, Xiang Suoshu designated blocks chain node sends the bidding documents, and receives the designated blocks
The assessment of bids result and notice on bid winning that chain node is made according to the bidding documents.It, can be with since block chain is distributed storage
The bidding documents is sent to designated blocks chain node (can also be sent to other nodes certainly).The designated blocks chain node exists
After obtaining the bidding documents that all suitors send, the assessment of bids result and notice on bid winning made according to the bidding documents, then will be described
The assessment of bids result and notice on bid winning that bidding documents is made are sent to first terminal (can also be sent to other nodes certainly).
As described in above-mentioned steps S5, Xiang Suoyou block chain node sends the assessment of bids result and notice on bid winning, thus complete
At bid process.The assessment of bids result and notice on bid winning are sent to all block chain nodes, this bid of distributed storage
As a result, to complete bid process.
Further, the building process of the block chain includes: first of the certificate authority node as the block chain
Terminal creates block chain class using appointed language in the first terminal, will obtain the area Chuan Shi after block chain class instantiation
Block sets 0 for the cryptographic Hash of previous block in the wound generation block；Based on the wound generation block, other blocks are generated, wherein
Other described blocks record the cryptographic Hash of the previous block of other blocks；To agree to the default common recognition machine of the block chain
System, and the terminal of the certificate authority node authorization is obtained as block chain node, to establish the block chain.Wherein, institute
Stating appointed language includes Go language.Furthermore it is also possible to set Byzantine failure tolerance mechanism for the common recognition mechanism of the block chain.
In one embodiment, described that the second terminal is allowed to be added the block chain, and by the second terminal
It is denoted as the step S2 of designated blocks chain node, comprising:
S201, judge the second terminal whether there is in it is preset can be in grant column list；
If S202, the second terminal are present in and preset can be denoted as the second terminal specified in grant column list
Block chain node, and according to it is described can grant column list sign and issue to the second terminal letter of identity of the second terminal, and will
The second terminal is denoted as designated blocks chain node.
As described above, realizing newly-increased block chain node.Since the application uses alliance's chain, there is new terminal to want to add
Enter block chain as new node, it should obtain the letter of identity that certificate authority node is signed and issued.Therefore unverified the is being received
After the information of the default common recognition mechanism for the agreement block chain that two terminals are sent and the request of the addition block chain, pass through
Judging that the second terminal whether there is can authorize, if described in grant column list in preset to decide whether or not to give
Second terminal be present in it is preset can be in grant column list, then using the second terminal as designated blocks chain node, and according to institute
State can grant column list the letter of identity of the second terminal is signed and issued to the second terminal, to establish the block chain.Wherein
The letter of identity includes that (mandator node ensures the consistency of this block chain and convey to be carried on the back orderer node for being responsible for
The transaction of book give in companion's node), peer node (companion's node accesses account book data, endorsement transaction for executing contract)
Or certificate authority node identities certificate.
In one embodiment, the project for bidding information for receiving the designated blocks chain node and sending, Yi Jijie
The intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent is received and installed, and receives and is equipped with
The step S3 for the bidding documents that the block chain node as suitor of the intelligence contract is sent, comprising:
S301, the project for bidding information that the designated blocks chain node is sent is received, and receives and installs described specified
The intelligent contract corresponding with the project for bidding information that block chain node is sent；
The bidding documents that the block chain node that S302, reception are equipped with the intelligent contract is sent sends in one's application；
S303, judge to send whether the block chain node that the bidding documents sends in one's application calls and the ginseng in the intelligent contract
With competitive tender method；
If S304, the block chain node for sending bidding documents have invoked and the participation competitive tender method in the intelligent contract, general
The block chain node of bidding documents is sent as suitor, and is sended in one's application according to the bidding documents and receives the bidding documents of suitor's transmission.
The mark that the block chain node as suitor of the intelligent contract is sent is installed as described above, realizing and receiving
Book.Wherein, the intelligent contract is used for project for bidding, comprising: inquiry project for bidding information (promoter, project including project
The information such as basic information, project demand), participating in competitive bidding, (suitor can be participated in this project for bidding by this function, be called
The method is participant, can be identified in block chain network by its letter of identity), determine candidate, bidding documents is delivered, looked into
Bidding documents (making authority recognition using identity information, only consult for company's node where promoter and delivery people) is ask, project is initiated public
It takes charge of information on marriage chain and carries out Project Bidding Evaluation, issue assessment of bids result and notice on bid winning (all nodes can all be inquired on chain), close
The methods of closed term mesh (after the publicity time, then amended subject state is closed).Wherein the method is also referred to as function (computer
Function), refer to one section together, program that a certain part thing can be done.According to the agreement of intelligent contract, only have invoked wherein
Participation competitive tender method block chain node could as suitor participate in competitive bidding.Further, the intelligence is only called to close
Corresponding method, which just has permission, in about realizes corresponding function, such as only calls inquiry bidding documents method, could inquire bidding documents (root
According to the specific setting of the inquiry bidding documents method in intelligent contract, the identity of inquiry bidding documents can be set, such as be set as only recruiting
Mark side can inquire or specified certificate authority node can be inquired).
In one embodiment, described to send the bidding documents to the designated blocks chain node, and receive described specified
The step S4 of assessment of bids result and notice on bid winning that block chain node is made according to the bidding documents, comprising:
S401, by the bidding documents the bid amount of money and preset cost compare, retain | the bid amount of money-preset cost |
Less than the bidding documents of the default error amount of money；
Described in S402, Xiang Suoshu designated blocks chain node are sent | the bid amount of money-preset cost | it is less than the default error amount of money
Bidding documents, and receive the designated blocks chain node according to | the bid amount of money-preset cost | less than the default error amount of money
The assessment of bids result and notice on bid winning that bidding documents is made.
Assessment of bids result and notice on bid winning are received as described above, realizing.In the present embodiment, as certificate authority section
The first terminal of point also has both preliminary screening function.The bid amount of money in the bidding documents is compared with preset cost, is retained |
The bid amount of money-preset cost | less than the bidding documents of the default error amount of money, to realize the preliminary sieve to bidding documents according to the bid amount of money
Choosing, that is, eliminating the odd bidding documents of the bid amount of money, (the bid amount of money is excessively high or too low, and all indication biddings documents are abnormal, it is possible to lead
Cause bid failure).Present embodiment carries out preliminary screening to bidding documents using the first terminal as certificate authority node, and benefit is bright
It is aobvious: the process that the block chain node of bid screens again to be eliminated, to accelerate bidding documents audit speed；And it eliminates multiple
The code for realizing same screening function is arranged simultaneously in block chain node, so that the relevant intelligent contract that arbitrarily calls for bid is in conduct
Preliminary screening can be realized in the first terminal of certificate authority node, code is only set in first terminal, to reduce
Total code amount.
In one embodiment, described to send the assessment of bids result and notice on bid winning to all block chain nodes, from
And complete the step S5 of bid process, comprising:
S501, Xiang Suoyou block chain node send the assessment of bids result and notice on bid winning；
S502, judge within the publicity time as defined in the intelligent contract, if received and the intelligence conjunction is installed
The objection request that block chain node about is sent；
If S503, not receiving the objection request for being equipped with the block chain node transmission of the intelligent contract, institute is called
The closing project approach in intelligent contract is stated, to close project for bidding to complete bid process.
The assessment of bids result and notice on bid winning are sent as described above, realizing to all block chain nodes, to complete
Call for bid process.In present embodiment, by the characteristic of block chain, keep bid link and engineering transparent, convenient for supervision, also described
The publicity time is arranged in intelligent contract, so that contentious block chain node be allow to send objection request.If in the intelligence
Within the publicity time as defined in energy contract, the objection for not receiving the block chain node transmission for being equipped with the intelligent contract is asked
It asks, then shows without demur, then the closing project approach in the intelligent contract is called, so that closing project for bidding completes bid stream
Journey.
In one embodiment, described to send the assessment of bids result and notice on bid winning to all block chain nodes, from
And after the step S5 of completion bid process, comprising:
S51, another project for bidding information that another block chain node is sent is received, and receives and another area is installed
The intelligent contract corresponding with another project for bidding information that block chain node is sent, and receive and be equipped with and another bid
The bidding documents that the block chain node as suitor of the corresponding intelligent contract of project information is sent；
S52, bidding documents is sent to another block chain node, and receives another block chain node and is made according to bidding documents
Assessment of bids result and notice on bid winning；
S53, Xiang Suoyou block chain node send assessment of bids result and notice on bid winning, to complete the stream of another bid
Journey.
As described above, realizing the process for realizing another bid in the block chain.It, can in the block chain of the application
To realize the exchange of tenderer Yu competitive bidding corner color, i.e., Party A is tenderer in a project for bidding, in next bid item
Party A is competitive bidding side in mesh, wherein only needing replacing corresponding intelligent contract, repeats to take in the prior art to eliminate
The a large amount of repetition cost building purchasing system and generating.
In one embodiment, the default common recognition mechanism for the agreement block chain that the reception second terminal is sent
Information and the request that the block chain is added, wherein the first terminal is the certificate authority node of the block chain constructed in advance
Before step S1, comprising:
S001, block chain class is created in the first terminal using Go language；
S002, wound generation block will be obtained after block chain class instantiation, by the Kazakhstan of previous block in the wound generation block
Uncommon value is set as 0, is based on the wound generation block, generates other blocks, wherein other described blocks record other described blocks
Previous block cryptographic Hash；
S003, Byzantine failure tolerance mechanism is set by the common recognition mechanism of the block chain.
As described above, realizing setting block chain.The language for wherein creating block chain class can be any operable language, this
The preferred Go language of embodiment, to optimize block chain class.Wherein block chain class (class) is the definition to block chain, will be described
The instantiation of block chain class is the design parameter of determining block chain, so that first block (wound generation block) is obtained, thus conduct
The generation foundation of other blocks.Since wound generation block is first block, the block before being practically without, therefore in the area Chuan Shi
0 is set by the cryptographic Hash of previous block in block.Hold furthermore it is also possible to set Byzantium for the common recognition mechanism of the block chain
Wrong mechanism.Since alliance's chain is relative to publicly-owned chain, more emphasis privacy, safety, supervision, it is more likely to similar traditional man, Byzantium
The common recognition mechanism such as race.The thus preferred Byzantine failure tolerance mechanism of present embodiment.
The way of invitation for bid based on block chain of the application allows the second terminal that the block chain is added, and will be described
Second terminal is denoted as designated blocks chain node, receives the block chain node transmission as suitor for being equipped with the intelligent contract
Bidding documents, the assessment of bids result and notice on bid winning that the designated blocks chain node is made according to the bidding documents are received, to all institutes
It states block chain node and sends the assessment of bids result and notice on bid winning, complete to recruit using the block chain constructed in advance to realize
Mark process eliminates the process that bid platform is established in repetition.
Referring to Fig. 2, the embodiment of the present application provides a kind of bid device based on block chain, is applied to first terminal, comprising:
Request reception unit 10 is added, the default common recognition mechanism of the agreement block chain for receiving second terminal transmission
Information and the request of the block chain is added, wherein the first terminal is the certificate authority section of the block chain constructed in advance
Point；
Allow adding unit 20, for allowing the second terminal that the block chain is added, and the second terminal is remembered
For designated blocks chain node；
Bidding documents receiving unit 30, the project for bidding information sent for receiving the designated blocks chain node, and receive
And the intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent is installed, and receive installation
State the bidding documents that the block chain node as suitor of intelligent contract is sent；
Bidding documents transmission unit 40 for sending the bidding documents to the designated blocks chain node, and receives the specified area
The assessment of bids result and notice on bid winning that block chain node is made according to the bidding documents；
Assessment of bids result transmission unit 50, for sending the assessment of bids result and notice on bid winning to all block chain nodes,
To complete bid process.
Wherein said units 10-50 is respectively used to the tenderer based on block chain of the operation executed and aforementioned embodiments
The step of method, corresponds, and details are not described herein.
In one embodiment, the permission adding unit 20, comprising:
Can grant column list judgment sub-unit, for judge the second terminal whether there is in it is preset can grant column list
In；
Identity-card signature subelement, if for the second terminal be present in it is preset can be in grant column list, by institute
State second terminal and be denoted as designated blocks chain node, and according to it is described can grant column list to the second terminal sign and issue described second eventually
The letter of identity at end, and the second terminal is denoted as designated blocks chain node.
Wherein above-mentioned subelement is respectively used to the way of invitation for bid based on block chain of the operation executed and aforementioned embodiments
The step of correspond, details are not described herein.
In one embodiment, the bidding documents receiving unit 30, comprising:
Intelligent contract receiving subelement, the project for bidding information sent for receiving the designated blocks chain node, and
Receive and install the intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent；
Bidding documents sends in one's application receiving subelement, for receiving the mark for being equipped with the block chain node of the intelligent contract and sending
Book sends in one's application；
Whether suitor's judgment sub-unit is called and institute for judging to send the block chain node that the bidding documents sends in one's application
State the participation competitive tender method in intelligent contract；
Bidding documents receiving subelement, if the block chain node for sending bidding documents has invoked and the participation in the intelligent contract
Competitive tender method will then send the block chain node of bidding documents as suitor, and be sended in one's application according to the bidding documents and receive suitor
The bidding documents of transmission.
Wherein above-mentioned subelement is respectively used to the way of invitation for bid based on block chain of the operation executed and aforementioned embodiments
The step of correspond, details are not described herein.
In one embodiment, the bidding documents transmission unit 40, comprising:
Amount of money contrast subunit, for the bid amount of money in the bidding documents to be compared with preset cost, reservation | it submits a tender
The amount of money-preset cost | less than the bidding documents of the default error amount of money；
Bidding documents transmission sub-unit, described in being sent to the designated blocks chain node | the bid amount of money-preset cost | it is small
In the bidding documents of the default error amount of money, and the designated blocks chain node is received according to | the bid amount of money-preset cost | it is less than
The assessment of bids result and notice on bid winning that the bidding documents of the default error amount of money is made.
Wherein above-mentioned subelement is respectively used to the way of invitation for bid based on block chain of the operation executed and aforementioned embodiments
The step of correspond, details are not described herein.
In one embodiment, the assessment of bids result transmission unit 50, comprising:
Assessment of bids result transmission sub-unit, for sending the assessment of bids result and notice on bid winning to all block chain nodes；
Judgment sub-unit is requested in objection, for judging within the publicity time as defined in the intelligent contract, if receive
It crosses and the objection request that the block chain node of the intelligent contract is sent is installed；
Project for bidding subelement is closed, if being equipped with what the block chain node of the intelligent contract was sent for not receiving
The closing project approach in the intelligent contract is then called in objection request, to close project for bidding to complete bid process.
Wherein above-mentioned subelement is respectively used to the way of invitation for bid based on block chain of the operation executed and aforementioned embodiments
The step of correspond, details are not described herein.
In one embodiment, described device, comprising:
Another intelligence contract receiving unit, another project for bidding information sent for receiving another block chain node, with
And the intelligent contract corresponding with another project for bidding information that another block chain node is sent is received and installs, and connect
It receives and the mark that the block chain node as suitor of intelligent contract corresponding with another project for bidding information is sent is installed
Book；
Another assessment of bids result receiving unit for sending bidding documents to another block chain node, and receives described another
The assessment of bids result and notice on bid winning that block chain node is made according to bidding documents；
Another assessment of bids result transmission unit, for sending assessment of bids result and notice on bid winning to all block chain nodes, from
And complete the process of another bid.
Wherein above-mentioned subelement is respectively used to the way of invitation for bid based on block chain of the operation executed and aforementioned embodiments
The step of correspond, details are not described herein.
In one embodiment, described device, comprising:
Block chain class creating unit, for creating block chain class in the first terminal using Go language；
Generation block obtaining unit is created, for wound generation block, the wound generation block will to be obtained after block chain class instantiation
The middle cryptographic Hash by previous block is set as 0, is based on the wound generation block, generates other blocks, wherein other blocks note
It is loaded with the cryptographic Hash of the previous block of other blocks；
Common recognition mechanism setting unit, for setting Byzantine failure tolerance mechanism for the common recognition mechanism of the block chain.
Wherein said units are respectively used to the way of invitation for bid based on block chain of the operation executed and aforementioned embodiments
Step corresponds, and details are not described herein.
The bid device based on block chain of the application allows the second terminal that the block chain is added, and will be described
Second terminal is denoted as designated blocks chain node, receives the block chain node transmission as suitor for being equipped with the intelligent contract
Bidding documents, the assessment of bids result and notice on bid winning that the designated blocks chain node is made according to the bidding documents are received, to all institutes
It states block chain node and sends the assessment of bids result and notice on bid winning, complete to recruit using the block chain constructed in advance to realize
Mark process eliminates the process that bid platform is established in repetition.
Referring to Fig. 3, a kind of computer equipment is also provided in the embodiment of the present invention, which can be server,
Its internal structure can be as shown in the figure.The computer equipment includes that the processor, memory, network connected by system bus connects
Mouth and database.Wherein, the processor of the Computer Design is for providing calculating and control ability.The storage of the computer equipment
Device includes non-volatile memory medium, built-in storage.The non-volatile memory medium be stored with operating system, computer program and
Database.The internal memory provides environment for the operation of operating system and computer program in non-volatile memory medium.The meter
The database of machine equipment is calculated for storing data used in the way of invitation for bid based on block chain.The network interface of the computer equipment is used
It is communicated in passing through network connection with external terminal.It is a kind of based on block chain to realize when the computer program is executed by processor
Way of invitation for bid.
Above-mentioned processor executes the above-mentioned way of invitation for bid based on block chain, is applied to first terminal, wherein the method packet
The step of including respectively with execute aforementioned embodiments the way of invitation for bid based on block chain the step of one-to-one correspondence, it is no longer superfluous herein
It states.
It will be understood by those skilled in the art that structure shown in figure, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme.
The computer equipment of the application allows the second terminal that the block chain is added, and the second terminal is remembered
For designated blocks chain node, receives and the bidding documents that the block chain node as suitor of the intelligent contract is sent is installed, connect
The assessment of bids result and notice on bid winning that the designated blocks chain node is made according to the bidding documents are received, to all block chain links
Point sends the assessment of bids result and notice on bid winning, completes bidding process using the block chain constructed in advance to realize, exempts from
The process for repeating to establish bid platform is gone.
One embodiment of the application also provides a kind of computer readable storage medium, is stored thereon with computer program, calculates
The way of invitation for bid based on block chain is realized when machine program is executed by processor, and is applied to first terminal, wherein the method includes
The step of respectively with execute aforementioned embodiments the way of invitation for bid based on block chain the step of correspond, it is no longer superfluous herein
It states.
The computer readable storage medium of the application allows the second terminal to be added the block chain, and by described the
Two terminals are denoted as designated blocks chain node, receive the block chain node transmission as suitor for being equipped with the intelligent contract
Bidding documents receives assessment of bids result and notice on bid winning that the designated blocks chain node is made according to the bidding documents, to all described
Block chain node sends the assessment of bids result and notice on bid winning, completes bid using the block chain constructed in advance to realize
Process eliminates the process that bid platform is established in repetition.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
Any reference used in provided herein and embodiment to memory, storage, database or other media,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double speed are according to rate SDRAM (SSRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, device, article or the method that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, device, article or method institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, device of element, article or method.
The foregoing is merely preferred embodiment of the present application, are not intended to limit the scope of the patents of the application, all utilizations
Equivalent structure or equivalent flow shift made by present specification and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, similarly include in the scope of patent protection of the application.
Claims (10)
1. a kind of way of invitation for bid based on block chain is applied to first terminal characterized by comprising
Receive the information of default common recognition mechanism and asking for the addition block chain of the agreement block chain that second terminal is sent
It asks, wherein the first terminal is the certificate authority node of the block chain constructed in advance；
Allow the second terminal that the block chain is added, and the second terminal is denoted as designated blocks chain node；
The project for bidding information that the designated blocks chain node is sent is received, and receives and the designated blocks chain node is installed
The intelligent contract corresponding with the project for bidding information sent, and receive be equipped with the intelligent contract as suitor's
The bidding documents that block chain node is sent；
The bidding documents is sent to the designated blocks chain node, and receives the designated blocks chain node and is made according to the bidding documents
Assessment of bids result and notice on bid winning；
The assessment of bids result and notice on bid winning are sent to all block chain nodes, to complete bid process.
2. the way of invitation for bid according to claim 1 based on block chain, which is characterized in that described to allow the second terminal
The block chain, and the step of second terminal is denoted as designated blocks chain node is added, comprising:
Judge the second terminal whether there is in it is preset can be in grant column list；
If the second terminal is present in and preset the second terminal can be denoted as designated blocks chain link in grant column list
Point, and according to it is described can grant column list sign and issue to the second terminal letter of identity of the second terminal, and by described second
Terminal is denoted as designated blocks chain node.
3. the way of invitation for bid according to claim 1 based on block chain, which is characterized in that described to receive the designated blocks
The project for bidding information that chain node is sent, and receives and that designated blocks chain node transmission is installed with the project for bidding
The corresponding intelligent contract of information, and receive and the bidding documents that the block chain node as suitor of the intelligent contract is sent is installed
The step of, comprising:
The project for bidding information that the designated blocks chain node is sent is received, and receives and the designated blocks chain node is installed
The intelligent contract corresponding with the project for bidding information sent；
The bidding documents for receiving the block chain node transmission for being equipped with the intelligent contract sends in one's application；
Judge to send whether the block chain node that the bidding documents sends in one's application calls and the participation competitive bidding side in the intelligent contract
Method；
If the block chain node for sending bidding documents have invoked with the participation competitive tender method in the intelligent contract, bidding documents will be sent
Block chain node sends in one's application according to the bidding documents as suitor and receives the bidding documents of suitor's transmission.
4. the way of invitation for bid according to claim 1 based on block chain, which is characterized in that described to the designated blocks chain
Node sends the bidding documents, and receives assessment of bids result and notice of award that the designated blocks chain node is made according to the bidding documents
The step of book, comprising:
The bid amount of money in the bidding documents is compared with preset cost, is retained | the bid amount of money-preset cost | it is less than default
The bidding documents of the error amount of money；
To described in designated blocks chain node transmission | the bid amount of money-preset cost | less than the bidding documents of the default error amount of money, and
The designated blocks chain node is received according to | the bid amount of money-preset cost | the bidding documents less than the default error amount of money is made
Assessment of bids result and notice on bid winning.
5. the way of invitation for bid according to claim 1 based on block chain, which is characterized in that described to all block chain nodes
The assessment of bids result and notice on bid winning are sent, thus the step of completing bid process, comprising:
The assessment of bids result and notice on bid winning are sent to all block chain nodes；
Judge within the publicity time as defined in the intelligent contract, if received the block chain for being equipped with the intelligent contract
The objection request that node is sent；
The objection request that the block chain node of the intelligent contract is sent is installed if not receiving, calls the intelligent contract
In closing project approach, thus close project for bidding with complete bid process.
6. the way of invitation for bid according to claim 1 based on block chain, which is characterized in that described to all block chain nodes
The assessment of bids result and notice on bid winning are sent, thus after the step of completing bid process, comprising:
Another project for bidding information that another block chain node is sent is received, and receives and another block chain node is installed
The intelligent contract corresponding with another project for bidding information sent, and receive and be equipped with and another project for bidding information
The bidding documents that the block chain node as suitor of corresponding intelligence contract is sent；
Bidding documents is sent to another block chain node, and receives the assessment of bids knot that another block chain node is made according to bidding documents
Fruit and notice on bid winning；
Assessment of bids result and notice on bid winning are sent to all block chain nodes, to complete the process of another bid.
7. the way of invitation for bid according to claim 1 based on block chain, which is characterized in that the reception second terminal is sent
The agreement block chain default common recognition mechanism information and the request of the block chain is added, wherein the first terminal is
Before the step of certificate authority node of the block chain constructed in advance, comprising:
Block chain class is created in the first terminal using Go language；
Wound generation block will be obtained after block chain class instantiation, set the cryptographic Hash of previous block in the wound generation block
0, it is based on the wound generation block, generates other blocks, wherein other described blocks record the previous block of other blocks
Cryptographic Hash；
Byzantine failure tolerance mechanism is set by the common recognition mechanism of the block chain.
8. a kind of bid device based on block chain is applied to first terminal characterized by comprising
Request reception unit is added, the information of the default common recognition mechanism of the agreement block chain for receiving second terminal transmission
With the request that the block chain is added, wherein the first terminal is the certificate authority node of the block chain constructed in advance；
Allow adding unit, for allowing the second terminal that the block chain is added, and the second terminal is denoted as specified
Block chain node；
Bidding documents receiving unit, the project for bidding information sent for receiving the designated blocks chain node, and receive and install
The intelligent contract corresponding with the project for bidding information that the designated blocks chain node is sent, and receive and the intelligence is installed
The bidding documents that the block chain node as suitor of contract is sent；
Bidding documents transmission unit for sending the bidding documents to the designated blocks chain node, and receives the designated blocks chain link
Put the assessment of bids result made according to the bidding documents and notice on bid winning；
Assessment of bids result transmission unit, for sending the assessment of bids result and notice on bid winning to all block chain nodes, thus complete
At bid process.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 7 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 7 is realized when being executed by processor.
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