CN109146652A - A kind of online auction system and system based on block chain technology - Google Patents
A kind of online auction system and system based on block chain technology Download PDFInfo
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- CN109146652A CN109146652A CN201811039024.2A CN201811039024A CN109146652A CN 109146652 A CN109146652 A CN 109146652A CN 201811039024 A CN201811039024 A CN 201811039024A CN 109146652 A CN109146652 A CN 109146652A
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Abstract
The present invention relates to a kind of online auction system and system based on block chain technology, method is the following steps are included: system side receives and stores the goods to auction registration information that auction side inputs, and the goods to auction authentication information inputted by the mechanism side Gong Xin, and is stored on block chain；System side creates auction contract on block chain and pledges contract, and the corresponding amount guarantee fund of auction side is transferred to and is pledged in contract；System side adds the registration information of auction side in auction contract, and the corresponding amount guarantee fund of auction side's account is transferred to and is pledged in contract；After auction starts, auction contract receives auction side and requests by the asked price of auction contract stipulated form, determines the auction side of winning according to auction contract stipulated form, completes auction according to contract is pledged.The present invention combines the unique auction process realized based on three kinds of intelligent contracts, can carry out authorization for auction and automated auction auction, to improve the equitable degree of auction, participation, effectively improves auction target probability of transaction.
Description
Technical field
The present invention relates to block chain technical fields, more specifically to a kind of online auction based on block chain technology
Method and system.
Background technique
Cut-off 2017, transaction value is more than 500,000,000,000 yuan to auction industry transaction value for years, wherein online auction is not
It only rises year by year in transaction value, auction category is also increasingly various；It is worth noting that, the abortive lot problem of Chinese auction marketplace and
Problem is still more serious in goods to auction delivery link, completes a business transaction link after how preparing and clap before clapping and is preferably managed, to help
It helps and solves the problems, such as abortive lot and delivery, be that domestic online auction industry wishes the pain spot urgently solved.
In current online auction technique link, there is problem following prominent: most goods to auction lack convictive description and
Documentary evidence, investor have no way of judging, leads to abortive lot；High value goods to auction need block trade, and on-line payment scheme paying party
Formula is limited, leads to abortive lot；Auction opaque, investor can not differentiate the source authenticity and legitimacy of higher bid, and there are competing
Clap inequitable risk.
In the prior art, such as Publication No. CN107679976A, the time of disclosure on 2 9th, 2018, a kind of entitled " base
In the auction system of block chain " Chinese invention patent document, a kind of auction system based on block chain is disclosed, by that will clap
Preparation, auction and the payment link relevant information sold are issued and are traded on block chain, and providing one kind ensures in no third
The fairness auctioned under square credit institution, ensure auction result have it is certain it is mandatory, at the same time due to no third side's credit
The participation of mechanism is to save the auction system based on block chain of related just expense.But the technology mainly solves third party's letter
With the just problem of mechanism, the outstanding problem in above-mentioned current auction link not can solve.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of based on block chain
The online auction system of technology；
Additionally provide a kind of online auction system based on block chain technology.
The technical solution adopted by the present invention to solve the technical problems is:
Construct a kind of online auction system based on block chain technology, wherein the following steps are included:
Step 1: system side receives and stores the goods to auction registration information that auction side inputs, and inputted by the mechanism side Gong Xin
Goods to auction authentication information, and be stored on block chain；
Step 2: the system side creates auction contract on the block chain and pledges contract, and by the auction side
Corresponding amount guarantee fund be transferred to described pledge in contract；
Step 3: the system side adds the registration information of auction side in the auction contract, and by the auction side
The corresponding amount guarantee fund of account is transferred to described pledge in contract；
Step 4: the system side receives the auction side crying by the auction contract stipulated form after auction starts
Valence request determines the auction side of winning according to the auction contract stipulated form, completes auction according to the contract of pledging.
Online auction system of the present invention based on block chain technology, wherein in the first step, the system side
It receives the identity information that the auction side, the auction side and the mechanism side Gong Xin upload and it is verified；
After verification passes through, the system side distributes key to the auction side, the auction side and the mechanism side Gong Xin
Right, the key pair includes public key and private key；
The public key generates account in the system side as the auction side, the auction side and the mechanism side Gong Xin
The basic input parameters of address；
Identity of the private key as the auction side, the auction side and the mechanism side Gong Xin.
Online auction system of the present invention based on block chain technology, wherein in the first step, the goods to auction are recognized
Card information includes goods to auction essential information and goods to auction value assessment information, and adds trusted timestamp label by the mechanism side Gong Xin
Name.
Online auction system of the present invention based on block chain technology, wherein in the second step, the system side
The goods to auction auction contract request to create that the auction side is set is received, which carries out Signature Confirmation by the auction side；
After the account assets that the system side audits the auction side meet auction guaranteed sum requirement, in the block chain
The upper creation auction contract and described pledge contract.
Online auction system of the present invention based on block chain technology, wherein in the second step, the auction is closed
It about include auction rule and delivery rule.
Online auction system of the present invention based on block chain technology, wherein in the third step, the system side
The registration information on the auction contract that the auction Fang Wei starts is received, the registration information is signed by the auction side
Confirmation；
After the account assets that the system side audits the auction side meet auction asset request, in the auction contract
The registration information is added, the corresponding amount guarantee fund of auction side's account is then transferred to described pledge in contract.
Online auction system of the present invention based on block chain technology, wherein in the 4th step, the asked price is asked
It asks and trusted time signature is carried out by the auction side.
Online auction system of the present invention based on block chain technology, wherein in the 4th step, if finally cried
Valence is bidded contract described in meeting, and the auction side guarantee fund in addition to the side of winning is transferred back to its account automatically by the contract of pledging
Family, and the regular start completion auction of delivery described in automatic trigger；
If final asked price is unsatisfactory for the contract of bidding, current auction abortive lot, the contract of pledging will guarantee automatically
Gold transfers back to the auction side and the auction side respectively.
Online auction system of the present invention based on block chain technology, wherein further comprise the steps of: the auction root
According to the auction contract to it is described pledge be transferred in contract concluded price deduct auction side guarantee fund the amount of money；
If the auction side fails by the regular payment of balance of the delivery, auction side's promise breaking, described to pledge contract
In all auction side guarantee fund automatically go to clap seller account.
After payment of balance of the auction side of winning, goods to auction are delivered by rule is delivered by the auction side, described to pledge in contract
All assets go to the account of the auction side；
If the auction side can not deliver goods to auction, the account pledged all assets in contract and automatically go to the auction side
Family.
Online auction system of the present invention based on block chain technology, wherein the auction root is according to the auction
The agreement of contract chooses whether to participate in auction using commission；
It is created on the block chain when auction side is using commission and entrusts contract, or is on the block chain existing
Commission contract in register.
Online auction system of the present invention based on block chain technology, wherein specified in the commission contract competing
Agent is clapped, specified rule is formulated by the auction side for creating the commission contract.
Online auction system of the present invention based on block chain technology, wherein the auction agent is using multiple
The method of signature indicates that each trustee's acts on behalf of wish.
The present invention also provides a kind of online auction systems based on block chain technology, are based on block according to mentioned-above
The online auction system of chain technology, the system comprises:
Authentication module: the unique identity information for the main body that takes part in auction for identification with certification；
Payment transaction module: for provide being transferred to of legal digital cash and ideal money, withdraw deposit in system platform
Payment function；
Trusted time signature blocks: for carrying out trusted time signature to digital information；
Intelligent contract module: for the registration of intelligent contract, operation, interface encapsulation and calling and system-level opening
The transaction interception filtering function of the audit of contract rule, prompt in violation of rules and regulations；The intelligence contract includes auction contract, pledges contract and committee
Hold in the palm contract；
Block platform chain: can not distort the distributed storage platform of characteristic for providing to have, for save identity information,
Transaction Information, intelligent contract information, and the running environment of the intelligent contract is provided.
The beneficial effects of the present invention are: the present invention uses block chain technology, and be implemented in combination with auction process pledges contract
With auction peace treaty, solve the problems, such as auction goods to auction lack persuasion, auction bid process it is opaque caused by auction it is inequitable, from
And the equitable degree of auction, transparency are improved, effectively improve auction target probability of transaction.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the invention will be further described, and the accompanying drawings in the following description is only section Example of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other accompanying drawings:
Fig. 1 is the online auction system flow chart based on block chain technology of present pre-ferred embodiments；
Fig. 2 is the online auction system auction side flow chart based on block chain technology of present pre-ferred embodiments；
Fig. 3 is the online auction system auction side flow chart based on block chain technology of present pre-ferred embodiments；
Fig. 4 be present pre-ferred embodiments payment after line auction system completion of an auction based on block chain technology and
Delivery process figure；
Fig. 5 is the online auction system functional block diagram based on block chain technology of present pre-ferred embodiments.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Technical solution in example carries out clear, complete description, it is clear that and described embodiment is section Example of the invention, and
It is not all of embodiment.Based on the embodiment of the present invention, those of ordinary skill in the art are not before making the creative labor
Every other embodiment obtained is put, protection scope of the present invention is belonged to.
The online auction system processes based on block chain technology of present pre-ferred embodiments as shown in Figure 1, simultaneously refering to
Fig. 2-Fig. 4, the participant auctioned in process have: essential information and value (are done to goods to auction by system side, auction side, the mechanism side Gong Xin
Assessment) and auction side, online auction system include the following steps:
S01: system side receives and stores the goods to auction registration information that auction side inputs, and the bat inputted by the mechanism side Gong Xin
Product authentication information, and be stored on block chain；
S02: system side creates auction contract on block chain and pledges contract, and by the corresponding amount guarantee fund of auction side
It is transferred to and pledges in contract；
S03: system side adds the registration information of auction side in auction contract, and the corresponding amount of auction side's account is protected
Card gold, which is transferred to, pledges in contract；
S04: system receives auction side after auction starts and requests by the asked price of auction contract stipulated form, is closed according to auction
About stipulated form determines the auction side of winning, and completes auction according to contract is pledged.
This method uses block chain technology, and be implemented in combination with auction process pledges contract and auction peace treaty, solves auction and claps
The inequitable problem of auction caused by product lack persuasion, to auction bid process opaque, to improve the equitable degree of auction, thoroughly
Lightness effectively improves auction target probability of transaction.
As shown in Figs 1-4, in the first step, system side receives the identity letter that auction side, auction side and the mechanism side Gong Xin upload
It ceases and it is verified；After verification passes through, system side distributes key pair, key to auction side, auction side and the mechanism side Gong Xin
To including public key and private key；Public key generates the basic of account address in system side as auction side, auction side and the mechanism side Gong Xin
Input parameter；Identity of the private key as auction side, auction side and the mechanism side Gong Xin；By supporting open authentication body
System, the present invention can be effectively reduced user's access and learning cost.
As shown in Figs 1-4, in the first step, goods to auction authentication information includes goods to auction essential information and goods to auction value assessment information,
And by the mechanism side Gong Xin addition trusted timestamp signature；Auction goods to auction are solved to lack persuasion, auction that bid process is opaque to lead
The inequitable problem of the auction of cause.
As shown in Figs 1-4, in second step, system side receives the goods to auction auction contract request to create that auction side is set, this is asked
Information is asked to carry out Signature Confirmation by auction side；After the account assets that system side audits auction side meet auction guaranteed sum requirement,
Auction contract is created on block chain and pledges contract；Auction side is audited, and guarantee fund is paid to pressure, reduces abortive lot
Risk.
As shown in Figs 1-4, in second step, auction contract includes auction rule and delivers regular；Auction rule guarantees auction
The orderly progress of asked price process, the smooth transaction of payment for goods after delivery rule guarantee auction asked price.
As shown in Figs 1-4, in third step, system side receives the registration information on the auction contract that auction Fang Wei starts,
Registration information is by the Signature Confirmation of auction side；After the account assets that system side audits auction side meet auction asset request, in auction
Registration information is added in contract, and then the corresponding amount guarantee fund of auction side's account is transferred to and is pledged in contract；To auction side
Guarantee fund is audited and force to pay, abortive lot risk is reduced.
As shown in Figs 1-4, in the 4th step, asked price request carries out trusted time signature by auction side；Each asked price is all attached
The fairness of asked price is ensured added with the trusted time signature of asked price people convenient for retrospect inquiry.
As shown in Figs 1-4, in the 4th step, the contract if final asked price satisfaction is bidded, the side of winning will be removed automatically by pledging contract
Outer auction side guarantee fund transfers back to its account, and automatic trigger delivers regular start completion auction；If final asked price is discontented
Foot is bidded contract, then current auction abortive lot pledges contract and guarantee fund is transferred back to auction side and auction side respectively automatically；It ensures and claps
The seller and the guarantee fund of auction side safety, and be easy to trace.
As shown in Figs 1-4, further comprise the steps of: auction root according to auction contract to pledge be transferred in contract concluded price deduct
The amount of money of auction side guarantee fund；If auction side fails by regular payment of balance is delivered, the institute in contract is pledged in the promise breaking of auction side
There is auction side guarantee fund to automatically go to clap seller account；Pressure limitation is carried out to auction side, avoids the interference of asked price carelessly is normal from clapping
It sells.
As shown in Figs 1-4, after further comprising the steps of: payment of balance of the auction side of winning, goods to auction are delivered by rule is delivered by auction side,
Pledge the account that all assets in contract go to auction side；If auction side can not deliver goods to auction, pledge in contract all assets from
Turn to auction side account；Pressure limitation is carried out to auction side, avoids auctioning the normal auction of interference carelessly.
As shown in Figs 1-4, auction root chooses whether to participate in auction using commission according to the agreement of auction contract；Auction side
Using contract is entrusted in creation on block chain when commission, or registered in the existing commission contract on block chain；Facilitate auction
Side's selection carries out authorization for auction and automated auction auction.
As shown in Figs 1-4, it entrusts and may specify auction agent in contract, specified rule is entrusted the auction side of contract by creation
It formulates.
As shown in Figs 1-4, auction agent indicates that each trustee's acts on behalf of wish using the method for multi-signature.
Specifically, as shown in Fig. 2, auction side's process includes the following steps:
Step S201, open authentication: by Third Party Authentication platform access authentication or uploading real-name authentication information, by
System is authenticated, and authentication information is stored on block chain；
Step S202, digital asset is registered: having been authenticated user and has been transferred to by modes such as bank transfer, on-line payments to system
Fund registers the digital asset for participating in system auction, and asset inventory is on block chain；
Step S203, goods to auction information registering: having authenticated and the user of registered assets can be used as auction side, passes through third
Fang Gongxin platform imports the goods to auction essential information and assessment information by Professional Certification, is stored on block chain, in case publicity；
Step S204, initiate auction: auction side sets the auction rule of registered auction target and delivers rule, agrees to press
Guarantee fund is gone to from the digital asset that individual registers and is pledged in contract by system convention；
Step S205, system side judges whether digital asset meets the requirement of guarantee fund's amount, if conditions are not met, then initiating competing
Clap failure；If it is satisfied, executing step S206；
Step S206, system generates auction contract according to the auction rule that auction side is set, and generates matter according to rule is delivered
Contract is given as security, the guarantee fund of the side of auction, which is transferred to, to pledge in contract, and is recorded on block chain；
Step S207, start auction: competing after system time reaches at the beginning of auction side is set in auction rule
Contract is clapped to start to receive bid request；
Step S208, system judges whether to reach the completion of an auction time, if it is not, auction is delayed, auction side is permissible
By selecting the delay completion of an auction time according to demand；
Step S209, terminate auction: competing after system time reaches the end time that auction side is set in auction rule
Valence intelligence contract stops receiving bid request.
Specifically, as shown in figure 3, auction side's process includes the following steps:
Step S301, open authentication: by Third Party Authentication platform access authentication or uploading real-name authentication information, by
System is authenticated, and authentication information is stored on block chain；
Step S302, digital asset is registered: having been authenticated user and has been transferred to by modes such as bank transfer, on-line payments to system
Fund registers the digital asset for participating in system auction, and asset inventory is on block chain；
Step S303, auction registration: having authenticated and the user of registered assets can be used as auction side, passes through third party's public affairs
Believe that platform imports the goods to auction essential information and assessment information by Professional Certification, is stored on block chain, in case publicity；
Step S304, system judges whether auction project allows to entrust auction；
Step S305, if it is, judging whether selection commission auction again；
If confirmation is to then follow the steps S306, into commission auction program, otherwise, step S307 is executed, directly judgement committee
In support contract or whether user's holding assets meet the requirement of guarantee fund's amount, if conditions are not met, registration failure is then auctioned, if full
Foot thens follow the steps S308, starts auction；
Commission auction: creation commission contract or addition have commission contract on demand, and competing by entrusting contract rule to specify
Valence agent, or asked price rule is formulated by commission contract automated auction；
Start auction: after system time reaches at the beginning of auction side is set in auction rule, auction side is voluntarily
Or bidded by commission contract participation, bid request is sent to auction contract；
Step S309, terminate auction: competing after system time reaches the end time that auction side is set in auction rule
Bat side's (including commission contract) stops asked price.
Specifically, as shown in figure 4, payment and delivery process after completion of an auction include the following steps:
Step S401, judge whether the asked price that auction contract finally receives meets auction rule, if it is, returning auction
Guarantee fund, otherwise abortive lot；
Step S402, auction guarantee fund returns: the guarantee fund of other auction sides in addition to the auction side of winning from pledge close
Each account is automatically fallen back in about；
Abortive lot: auction side and auction side guarantee fund in contract are pledged and is returned automatically；
Step S403, pay: auction side is transferred to after deduction pledges guarantee fund to pledging by final knock-down price in contract
Remaining sum fund；
Step S404, judge the auction side of winning whether by delivery rule delivery remaining sum fund；If it is, carrying out goods to auction friendship
It pays, otherwise auction side breaks a contract；
Step S405, goods to auction are delivered: auction side is regular to the auction side of winning delivery goods to auction according to delivering；
The promise breaking of auction side: all surplus assets in contract are pledged and are transferred completely into bat seller account；
Step S406, judge that auction technique hair is completed to deliver by rule is delivered, if so, S407 is thened follow the steps, by matter
It gives as security all remaining funds in contract and is transferred to bat seller account, otherwise clap Seller's Default；
It claps Seller's Default: pledging all surplus assets in contract and be transferred completely into auction side (including commission contract) account.
As shown in figure 5, a kind of online auction system based on block chain technology is provided, according to above-mentioned based on block chain
The online auction system of technology, the online auction system include:
Authentication module 101: the unique identity information for the main body that takes part in auction for identification with certification；
Payment transaction module 102: for provide being transferred to of legal digital cash and ideal money, withdraw deposit in system platform
Payment function；
Trusted time signature blocks 103: for carrying out trusted time signature to digital information；
Intelligent contract module 104: for the registration of intelligent contract, operation, interface encapsulation and calling and system-level opening
Contract rule audit, in violation of rules and regulations prompt transaction intercept filtering function；
Block platform chain 105: having the distributed storage platform that can not distort characteristic for providing, for saving identity letter
Breath, Transaction Information, intelligent contract information, and the running environment of intelligent contract is provided.
Online auction system based on block chain technology of the invention, using open authentication system to online auction ginseng
Veritified with the identity of side, and three based on block chain kinds of crucial intelligent contracts, i.e., auction peace treaty, pledge contract and commission is closed
About, realize that supporting includes English auction, Dutch Auction, the method and system for sealing the auction techniques such as price auction.
In various embodiments of the present invention, related multiple concept explanations are as follows:
Timing definition in auction process: include but is not limited to in physical definition scalar time, with block height work
For time unit of account, system can optionally use any timing definition mode.
Open authentication system can identify user including third party's authentication and system real-name authentication
The verification process and method of unique identity information, with individual or entity for basic recognition unit.
Auction peace treaty: one of auction process supports the intelligent contract of multiple party signatures, it is specified that auction asked price rule, auction
Logic rules in the bid process such as rule of winning and delay rule.
Pledge contract: one of auction process supports the intelligent contract of multiple party signatures, participates in each side for trustship auction
Guarantee fund and payment etc. digital asset.
Entrust contract: one of auction process supports the intelligent contract of multiple party signatures, for trustship auction consigner's
The digital asset of guarantee fund and payment etc. is, it is specified that commission rules and asked price rule；
The present invention program using can access the opening authentication system of block chain to the identity of online auction participant into
Row is veritified, and be implemented in combination with auction process pledges contract, auction peace treaty and commission and about three kinds of intelligent contracts, solves auction goods to auction
It lacks persuasion, auction the opaque caused inequitable problem of auction of bid process, by supporting open authentication system,
The present invention can be effectively reduced user's access and learning cost；In conjunction with the unique auction process realized based on three kinds of intelligent contracts,
Authorization for auction and automated auction auction can be carried out, to improve the equitable degree of auction, participation, auction target is effectively improved and strikes a bargain
Rate.
It is more specific: auction Rule content in the various embodiments described above including but not limited to: when auction form, auction start
Between, whether price of starting auction, the completion of an auction time, minimum asked price is poor, target price, auction people's qualification qualifications, allow to act on behalf of
Auction and act on behalf of auction qualifications etc..
Commission rules content is including but not limited to the commission amount upper limit, the acceptable commission upper limit, the specified rule of entrusted agent
Then, entrust automatic asked price rule, commission receiving and release rule etc..
It is as follows that online auction system based on block chain technology of the invention auctions process in detail:
1, system is using the tool KEYGEN generation key pair for supporting asymmet-ric encryption method: public key SPub, private key
SPriv；(SPub, SPriv)=KEYGEN (SEED)；
2, scanned copy, photo that each side uploads personally identifiable information, organization's main body register information etc. in system are participated in,
Automatic or manual subject identity certification is carried out by system background, completion includes to natural person's identity, agency information etc.
Certification is verified；
3, after authentication passes through, each side generates the public key and private key for identifying its identity using asymmet-ric encryption method respectively
The key pair of composition, respectively auction side's key pair: PPub, PPriv, auction side's key pair: JPub, JPriv, the mechanism side Gong Xin
Key pair TPub, TPriv, wherein public key PPub, JPub, TPub generates the substantially defeated of account address as participant in systems
Enter parameter；
4, auction side carries out the information registering of goods to auction, the essential information M of goods to auction and value assessment letter on system block chain
It ceases E to be imported by third party's public affairs letter platform, import information includes the trusted timestamp signature TS by third party Gong Xin mechanism, wherein TS
=sign (M, E, TPub, timestamp), wherein timestamp is provided by trusted timestamp service.After importing information M, E with
And signature TS will be on the block chain for the system that be stored in；
5, the auction rule ARULE of auction side's setting goods to auction and delivery rule DRULE, and auction contract wound is submitted to system
Build request AReq, solicited message by auction side use its private key PPriv progress Signature Confirmation: AReq=sign (ARULE,
DRULE,PPriv,timestamp)；
If 6, clapping seller account assets meets auction guaranteed sum requirement, system successfully creates auction conjunction on block chain
It about PSC:createSC (PPriv, AReq) and pledges and about ESC:createSC (PPriv, AReq, amount), the side of auction
Corresponding amount guarantee fund be transferred to pledge and about ESC in: transfer (amount, PPub, ESC).Otherwise, auction side initiates competing
Clap failure；
7, the auction that not yet starts in auction side's selection system and about PSC is registered, registration information JInfo is by auction side
Signature Confirmation: PReg=sign (PSC, JPriv, JInfo) is carried out using its private key JPriv；
8, auction can be limited with the regular ARULE of auction and about PSC according to demand, choose whether to join using commission contract
With auction, auction side can choose voluntarily on block chain creation commission and about DSC:createSC (JPriv, ARule, PSC,
ESC, amount), or registered in existing commission on block chain and about DSC: registerSC (JPriv, DSC, amount).
It may specify that auction agent, specified rule DLGRULE are formulated by the auction side of creation commission contract in commission contract.Auction agency
People: delegate (DLGRULE, JPriv1, JPriv2, JPriv3 ...), the method for specifying auction agent to use multi-signature
Indicate that each trustee's acts on behalf of wish；
If 9, auction side's account or commission contract account assets meet auction guaranteed sum requirement, auction side is closed in auction
Succeed in registration in about, auction side directly registers: register (PSC, JPriv, timestamp) entrusts contract registration:
Register (PSC, DSC, timestamp), and by auction side or the corresponding amount guarantee fund of contract account is entrusted to be transferred to matter
In signature and about ESC.Otherwise, auction side initiates auction failure；
10, when arrival starts to auction time STime, auction side can start voluntarily asked price: bidReq=call (PSC,
" bid ", bidoption, price, timestamp, JPriv), by commission contract agent, it is assumed that agent use key
To DPub, DPriv:bidReq=call (PSC, " bid ", bidoption, price, timestamp, DPriv) asked price or certainly
Dynamic asked price, asked price mode are different because of the auction mode specified in auction rule: bitoption=getbitoption (PSC,
DPriv)；
11, before end time FTime is bidded in arrival, auction side can choose the delay End of Auction time: postpone
(PSC,timestamp,interval,PPriv).During auction asked price, auction contract be automatically accepted according to auction rule or
Refuse asked price；
12, when reaching auction time FTime, the stopping of auction contract receives asked price, is set according to auction side competing
The bat rule decision auction side of winning winner=ARULE (bidReq1, bidReq2 ..., bidReqn).If final asked price is not
Satisfaction is bidded rule, then goods to auction abortive lot, and auction and about PSC, which are called, to pledge and about guarantee fund is transferred back to auction automatically by ESC respectively
Side and auction side: internalcall (ESC, " fullescrowrefund ")；
13, auction and about PSC determine the auction side of winning according to regular ARULE, pledge and about ESC will remove the side of winning automatically
Outer auction side guarantee fund transfers back to its account: internalCall (ESC, " escrowrefund ", [(bidders-
Winner) .pub]), and automatic trigger follow-up delivery process；
14, auction root according to deliver rule DRULE to pledge and about ESC in be transferred to concluded price deduction auction side guarantee fund
Remaining sum: call (ESC, " pay ", amount, DRULE, PPriv)；If auction side fails by the regular payment of balance of delivery, competing
Bat side promise breaking, by pledge and about ESC in all guarantee fund automatically go to clap seller account: internalCall (ESC,
"refund",PPub)；
15, after payment of balance of the auction side of winning, goods to auction are delivered by rule DRULE is delivered by auction side, after the confirmation of auction side, matter
Give as security and about ESC in all assets go to clap seller account call (ESC, " paid ", PPub, JPriv).Otherwise, Seller's Default is clapped,
It pledges all assets in contract and automatically goes to auction side account call (ESC, " refund ", JPub, SPriv).So far, auction stream
Journey terminates.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (14)
1. a kind of online auction system based on block chain technology, which comprises the following steps:
Step 1: system side receives and stores the goods to auction registration information that auction side inputs, and the bat inputted by the mechanism side Gong Xin
Product authentication information, and be stored on block chain；
Step 2: the system side creates auction contract on the block chain and pledges contract, and by the phase of the auction side
Amount guarantee fund is answered to be transferred to described pledge in contract；
Step 3: the system side adds the registration information of auction side in the auction contract, and by auction side's account
Corresponding amount guarantee fund be transferred to described pledge in contract；
It is asked step 4: the system side receives the auction side after auction starts by the asked price of the auction contract stipulated form
It asks, the auction side of winning is determined according to the auction contract stipulated form, auction is completed according to the contract of pledging.
2. the online auction system according to claim 1 based on block chain technology, which is characterized in that the first step
In, the system side receive the auction side, the identity information that the auction side and the mechanism side Gong Xin upload and to its into
Row is verified；
After verification passes through, the system side distributes key pair, institute to the auction side, the auction side and the mechanism side Gong Xin
Stating key pair includes public key and private key；
The public key generates account address in the system side as the auction side, the auction side and the mechanism side Gong Xin
Basic input parameters；
Identity of the private key as the auction side, the auction side and the mechanism side Gong Xin.
3. the online auction system according to claim 1 based on block chain technology, which is characterized in that the first step
In, the goods to auction authentication information includes goods to auction essential information and goods to auction value assessment information, and is added by the mechanism side Gong Xin
Trusted timestamp signature.
4. the online auction system according to claim 1 based on block chain technology, which is characterized in that the second step
In, the system side receives the goods to auction auction contract request to create that the auction side is set, and the solicited message is by the auction side
Carry out Signature Confirmation；
After the account assets that the system side audits the auction side meet auction guaranteed sum requirement, created on the block chain
It builds the auction contract and described pledges contract.
5. the online auction system according to claim 1 based on block chain technology, which is characterized in that the second step
In, the auction contract includes auction rule and delivers regular.
6. the online auction system according to claim 1 based on block chain technology, which is characterized in that the third step
In, the system side receives the registration information on the auction contract that the auction Fang Wei starts, the registration information by
Auction side's Signature Confirmation；
After the account assets that the system side audits the auction side meet auction asset request, added in the auction contract
The corresponding amount guarantee fund of auction side's account is then transferred to described pledge in contract by the registration information.
7. the online auction system according to claim 1 based on block chain technology, which is characterized in that the 4th step
In, the asked price request carries out trusted time signature by the auction side.
8. the online auction system according to claim 1 based on block chain technology, which is characterized in that the 4th step
In, if bidding contract described in final asked price satisfaction, the contract of pledging automatically guarantees the auction side in addition to the side of winning
Gold transfers back to its account, and the regular start completion auction of delivery described in automatic trigger；
If final asked price is unsatisfactory for the contract of bidding, current auction abortive lot is described to pledge contract automatically for guarantee fund point
The auction side and the auction side are not transferred back to.
9. the online auction system according to claim 1 based on block chain technology, which is characterized in that further comprise the steps of:
The auction root according to the auction contract to it is described pledge be transferred in contract concluded price deduct auction side guarantee fund the amount of money；
If the auction side fails by the regular payment of balance of the delivery, auction side's promise breaking, described to pledge in contract
All auction side guarantee fund automatically go to clap seller account.
10. the online auction system according to claim 1 based on block chain technology, which is characterized in that further comprise the steps of:
After payment of balance of the auction side of winning, goods to auction are delivered by rule is delivered by the auction side, described to pledge all assets in contract
Go to the account of the auction side；
If the auction side can not deliver goods to auction, the account pledged all assets in contract and automatically go to the auction side.
11. the online auction system according to claim 1 based on block chain technology, which is characterized in that the auction side
According to the agreement of the auction contract, choose whether to participate in auction using commission；
The auction side is using contract, or the existing committee on the block chain are entrusted in creation on the block chain when commission
It is registered in support contract.
12. the online auction system according to claim 11 based on block chain technology, which is characterized in that in the commission
Auction agent is specified in contract, specified rule is formulated by the auction side for creating the commission contract.
13. the online auction system according to claim 12 based on block chain technology, which is characterized in that the auction generation
Reason people indicates that each trustee's acts on behalf of wish using the method for multi-signature.
14. a kind of online auction system based on block chain technology, according to claim 1 based on block chain technology described in -13
Online auction system, which is characterized in that the online auction system includes:
Authentication module: the unique identity information for the main body that takes part in auction for identification with certification；
Payment transaction module: for providing being transferred to of legal digital cash and ideal money, withdrawing deposit and the payment in system platform
Function；
Trusted time signature blocks: for carrying out trusted time signature to digital information；
Intelligent contract module: for the registration of intelligent contract, operation, interface encapsulation and calling and the contract of system-level opening
The transaction interception filtering function of rule audit, prompt in violation of rules and regulations；The intelligence contract includes auction contract, pledges contract and commission conjunction
About；
Block platform chain: having the distributed storage platform that can not distort characteristic for providing, for saving identity information, transaction
Information, intelligent contract information, and the running environment of the intelligent contract is provided.
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