CN110223062A - Distributed power transaction system and method based on block chain - Google Patents
Distributed power transaction system and method based on block chain Download PDFInfo
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- CN110223062A CN110223062A CN201910332466.4A CN201910332466A CN110223062A CN 110223062 A CN110223062 A CN 110223062A CN 201910332466 A CN201910332466 A CN 201910332466A CN 110223062 A CN110223062 A CN 110223062A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3821—Electronic credentials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4014—Identity check for transactions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
The embodiment of the present invention provides a kind of distributed power transaction system and method based on block chain, the system comprises: distributed power transaction platform and multiple distributed power trade user nodes, the type of distributed power trade user node includes power supply user node and power purchase user node, user node of powering is used for distributed power transaction platform submission of quotation information, power purchase user node is used to freely select power supply user node according to itself power purchase demand and quotation information, and reaches electricity transaction with selected power supply user node；Distributed power transaction platform based on identity information of the block chain to distributed power trade user node for being managed, the quotation information submitted to power supply user node is audited and is announced, and the electricity transaction between power purchase user node and power supply user node is verified and is uploaded in block chain after generating aggregate signature.The present invention can be achieved reliable distributed power between energy producers and user and independently trade.
Description
Technical field
The present invention relates to computer application technologies more particularly to a kind of distributed power based on block chain to trade and be
System and method.
Background technique
The mode of doing business of current electric power energy is using grid company as trade center, by the electric power energy producer by generation
Electric energy is delivered to power station United Dispatching by way of regional center, and distributes according to need and give electric energy consumption person.Grid company is logical
Monitoring and forecasting system are crossed to adjust the equilibrium of supply and demand between the electric power energy producer and consumer, and negotiated prices as agreed
Electric power energy is purchased to the electric power energy producer, while the electric power energy of buying is sold to electric power according to the price of national regulation
There is no directly interactions by consumer, the electric power energy producer and electric power energy consumer.
As the technology of solar energy, wind energy distributed generation mode is increasingly mature, many electric energy consumption persons use the sun
Energy photovoltaic panel, wind-force and natural gas generator generate electric power energy, take " new energy+internet " as the distribution of representative therefore
The transaction of formula electric power energy rapidly develops.Currently, the producers and consumers role in the transaction of the distributed power energy tends to multiplicity
Change and minimize, the producer of electric power energy is also consumer simultaneously sometimes.Meanwhile distributed power transaction is usually in electric power energy
The commercial value in source is usually not fixed down, is directly voluntarily traded by electric power energy producers and consumers, traditional with power grid public affairs
Mode of doing business centered on department can not adapt to the demand of distributed power transaction.Due to distributed power type of transaction spirit
It is living, changeable, therefore, it is impossible to ensure the reliability in process of exchange.
How independently to be traded using distributed power of the technological means between the realization electric power energy producer and user
The problem of guaranteeing the reliability of transaction simultaneously becomes urgent need to resolve.
Summary of the invention
In order to solve the above problems existing in the present technology, the embodiment of the present invention provides a kind of distribution based on block chain
Electricity transaction system and method.
In a first aspect, the embodiment of the present invention provides a kind of distributed power transaction system based on block chain, comprising: distribution
Formula electric power transaction platform and multiple distributed power trade user nodes, wherein
The type of the distributed power trade user node includes power supply user node and power purchase user node, the confession
Electric user node is used for the distributed power transaction platform submission of quotation information, and the power purchase user node is used for according to certainly
The power purchase demand of body and the quotation information freely select power supply user node, and reach electricity with selected power supply user node
Power trades and signs intelligent contract；
The distributed power transaction platform is used for based on block chain to the body of the distributed power trade user node
Part information is managed, and the quotation information submitted to power supply user node is audited and announced, and to power purchase user node and is supplied
Electricity transaction upload between electric user node is verified and is generated after aggregate signature into block chain.
Second aspect, the embodiment of the present invention provide a kind of distributed power method of commerce, comprising:
The progress authentication of distributed power trade user node and aptitude checking to logging request is had submitted, described point
The type of cloth electricity transaction user node includes power supply user node and power purchase user node；
The quotation information that there is the power supply user node of power supply qualification to be submitted is received, the quotation information is examined
Core, and the quotation information that audit passes through is announced, so that the power purchase user node with power purchase qualification is according to the power purchase demand of itself
With the selected power supply user node of the quotation information；
If knowing, the power purchase user node with power purchase qualification and selected power supply user node are completed once
Transaction, the information of transaction described in legitimate user's node broadcasts to the whole network, and every prefixed time interval to the legal use of the whole network
The real-time registration of family node broadcasts intelligent electric meter, so that each legitimate user's node is according to the information and the intelligence of the transaction
The real-time registration of energy ammeter verifies the execution of the transaction and generates digital signature；
The digital signature that all legitimate user's nodes generate is polymerize to obtain the corresponding polymerization of the transaction
The transaction is uploaded in block chain by signature with the aggregate signature；
Wherein, legitimate user's node is registered distributed power trade user node；
Wherein, the real-time registration of the intelligent electric meter includes the intelligence of the power purchase user node local with power purchase qualification
The real-time registration of the intelligent electric meter of the real-time registration of energy ammeter and selected power supply user node local.
Distributed power transaction system and method provided in an embodiment of the present invention based on block chain, is not need to rely on only
One supplier of electricity, user can switch role between power supply user and power purchase user, can be with unrestricted choice trading object, Ke Yigeng
Effectively utilize electric power resource, reduce long distance power transmission need infrastructure construction and caused by electric energy loss.While according to
Rely in the characteristic of block chain, can no third side intervene in the case where, be effectively ensured transaction reliability, can not tamper,
Integrality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the distributed power transaction system provided in an embodiment of the present invention based on block chain；
Fig. 2 is the structural schematic diagram of distributed power transaction platform provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of distributed power method of commerce provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Block chain technology, also referred to as distributed account book, is substantially that mutually mistrustful node is common by a group
Record, can only be added in account book by one public account book of maintenance in additional mode, and is recorded and just can not once confirming
It deletes and distorts.Therefore, block chain has the characteristics that decentralization, can not distort, these features not only solve number in account book
According to distributed security it is shared, and effectively ensure information in account book can not tamper and reliability.
Intelligent contract is the core component of block chain technology, realizes processing data actively or passively, receives, deposits
The assets on all kinds of chains are stored up, controlled and managed, provide innovative solution for the distribution of financial asset, transaction, creation and management
Scheme.Intelligent contract runs transaction, the use that no centralized service platform participates in using point-to-point mode in block chain network
Transaction is completed according to the agreement of intelligent contract between family, transaction results are recorded on block chain, and this mode is not only effective
The complexity and transaction cost of reduction system, and the safety traded is guaranteed.
As shown in Figure 1, the structure for the distributed power transaction system provided in an embodiment of the present invention based on block chain is shown
It is intended to, comprising: distributed power transaction platform 101 and multiple distributed power trade user nodes 102, wherein
The type of the distributed power trade user node 102 includes power supply user node and power purchase user node, institute
It states power supply user node to be used for the distributed power transaction platform submission of quotation information, the power purchase user node is used for root
Power supply user node is freely selected according to the power purchase demand of itself and the quotation information, and is reached with selected power supply user node
At electricity transaction and sign intelligent contract；
Specifically, distributed power trade user node is either power supply user node, is also possible to power purchase user section
Point.Power supply user node is equipped with the generating equipments such as solar energy and energy storage device, and extra electric energy can be sold to power purchase use
Family node.Power purchase user node can freely select trading object according to the quotation of power supply user node publication.It is each described
Distributed power trade user node, which is locally mounted on, is integrated with the intelligent electric meter of storage equipment, wherein intelligent electric meter can be with
For detecting the real-time power generation, electricity consumption, transmission of electricity situation of user, every one section of regular time, related registration is broadcast to the whole network
Legitimate user's node, legitimate user's node can according to the correlation registration, realize relevant calculation, thus assist transaction really
Recognize.
User node of powering is used for the distributed power transaction platform submission of quotation information, the power purchase user node
For according to the selected power supply user node of the power purchase demand of itself and the quotation information, and with selected power supply user node
Reach electricity transaction and sign intelligent contract, after intelligent contract signature, power supply user node starts to power to power purchase user node.
The distributed power transaction platform 101 is used for based on block chain to the distributed power trade user node
Identity information is managed, to power supply user node submit quotation information audited and announced, to power purchase user node with
Electricity transaction between power supply user node is verified and is uploaded in block chain after generating aggregate signature.
Recognize it is understood that being managed to identity information including the identity for completing distributed power trade user node
Card, audits the power supply qualification or power purchase qualification of the distributed power trade user node.
User node submission of quotation information of powering is to the distributed power transaction platform, distributed power transaction platform pair
The quotation information that power supply user node is submitted is announced after being audited, wherein quotation information includes sale of electricity price, can be for sale
The ID of electricity and the power supply user node with power supply qualification.
Distributed power transaction platform is run on one server, and distributed power trade user node can be by dividing
Cloth application accesses the distributed power transaction platform, obtains various information required for electricity transaction, such as power supply user
The quotation information that node is submitted, participates in entire electricity transaction process.
Electricity transaction between power purchase user node and power supply user node is verified and is generated on after aggregate signature
It reaches and refers to that the electricity transaction by legitimate user's node verification by the whole network is uploaded in block chain in block chain.Power purchase user
After node and power supply user node conclude the transaction and sign intelligent contract, distributed power transaction platform broadcasts the transaction to the whole network,
Legitimate user's node of the whole network is based on the execution of transaction described in the Information Authentication of the transaction and generates digital signature, distributed electrical
The digital signature that power transaction platform generates each legitimate user's node polymerize, and obtains aggregate signature, is finally verified
Transaction and aggregate signature will be uploaded in block chain.
The block chain is made of wound generation block and the identical block of volume of data structure with cryptographic Hash link, the wound
Generation block contains including block chain type identification, block chain ID, common recognition mechanism, reading rule and reading data contract etc.
Special field, which reads the foundation of data as all nodes, achievable by the setting to the above field
Configuration to block chain；In addition to the wound generation block, other blocks have same data structure, mainly include block size, area
Build, total amount of data, data and signature, the block head include father's block Hash, Merkle root and timestamp, the data packet
It includes from previous block to all data records generated the block, signature is to all the elements in block except for the signatures
Digital signature.Particularly, the block chain type includes alliance's chain and privately owned chain, to adapt to the transaction of zonule distributed power
Application scenarios；The common recognition mechanism includes proof of work mechanism, equity proof mechanism, Byzantine failure tolerance mechanism etc..
Distributed power transaction system provided in an embodiment of the present invention based on block chain, devises a kind of distributed power
Method of commerce, this method are not need to rely on unique supplier of electricity, and user can be in commuting angle between user and power purchase user of powering
Color can more effectively utilize electric power resource with unrestricted choice trading object, reduce the infrastructure that long distance power transmission needs
Construction and caused by electric energy loss.The characteristic of block chain is depended on simultaneously, it can be in the case where no third side intervenes, effectively
Guarantee transaction reliability, can not tamper, integrality.
Content based on the above embodiment, as shown in Fig. 2, the distributed power transaction platform specifically includes:
User identity management module 201, for being carried out to the distributed power trade user node for having submitted logging request
Authentication and aptitude checking；
Specifically, user identity management module 201 be responsible for the registration of distributed power trade user node identity information with
Certification, is not involved in the transaction of electric energy.To have submitted logging request distributed power trade user node carry out authentication and
Aptitude checking judges that this has submitted whether the distributed power trade user node of logging request is registration user, if registration
User then continues to judge that this has submitted whether the distributed power trade user node of logging request has power supply qualification or power purchase
Qualification.The user node that only authentication and aptitude checking have passed through just can be carried out subsequent transaction operation.
Quotation information announces module 202, for receiving the offer that there is the power supply user node of power supply qualification to be submitted
Breath, audits the quotation information, and announces the quotation information that audit passes through, for the power purchase user with power purchase qualification
Node is according to the power purchase demand of itself and the selected power supply user node of the quotation information；
Specifically, there is the power supply user of power supply qualification module submission of quotation information, request can be announced to quotation information
Quotation information announces the quotation information that module 202 announces oneself.Power supply user with power supply qualification can be to quotation information public affairs
Cloth module 202 requests to update the quotation information of oneself, and quotation information is announced module 202 and can be carried out more to the quotation information that need to be updated
Newly.
The power purchase user node with power purchase qualification announces module 202 to the quotation information by Distributed Application
Obtain the quotation information submitted of power supply user node with power supply qualification, and can power purchase demand according to itself and the report
The selected power supply user node of valence freedom of information.
Electricity transaction authentication module 203, if for knowing the power purchase user node with power purchase qualification and selecting
Power supply user node complete primary transaction, the information of transaction described in legitimate user's node broadcasts to the whole network, and every pre-
If legitimate user's node broadcasts intelligent electric meter from time interval to the whole network real-time registration, for each legitimate user's node root
The execution of the transaction is verified according to the information of the transaction and the real-time registration of the intelligent electric meter and generates digital signature；
Wherein, legitimate user's node is registered distributed power trade user node；
Wherein, the real-time registration of the intelligent electric meter includes the intelligence of the power purchase user node local with power purchase qualification
The real-time registration of the intelligent electric meter of the real-time registration of energy ammeter and selected power supply user node local.
Specifically, if knowing, the power purchase user node with power purchase qualification and selected power supply user node are completed
Primary transaction, the information of transaction described in legitimate user's node broadcasts of the electricity transaction authentication module to the whole network, each legitimate user
Node calculates the transaction according to the real-time registration of intelligent electric meter, if calculated result is not inconsistent with publication transaction, it is true to return to transaction
Recognize unsuccessfully, while power purchase user node being required to reaffirm Transaction Information.It is each described if calculated result is consistent with publication transaction
Legitimate user's node signs to the transaction after confirmation using respective private key, generates digital signature.
Each legitimate user's node determines the authenticity of the transaction based on the information of the transaction, and generates for the transaction
One digital signature.
Electricity transaction cochain module 204, the digital signature for generating to all legitimate user's nodes polymerize
To obtain the corresponding aggregate signature of the transaction, the information of the transaction and the aggregate signature are uploaded in block chain；
Specifically, in order to save block chain memory space, and the efficiency that electricity transaction is carried out based on block chain technology is improved,
The embodiment of the present invention solves to deposit in current distributed power transaction in such a way that block chain technology is in conjunction with aggregate signature technology
The problem of.
Aggregate signature is substantially a kind of compress technique of field of digital signature, can give multiple message and multiple users simultaneously
Undeniably service is provided, and the signature compression of any number of users is signed at one.Signature verifier only needs to verify pressure
Signature after contracting can realize the batch validation to multiple information signatures, greatly reduce the workload of signature verifier, together
When also reduce the memory space and communication cost of signature, thus largely improve signature verifying and transmission effect
Rate.
The digital signature that electricity transaction cochain module 204 generates all legitimate user's nodes is polymerize described in acquisition
It trades corresponding aggregate signature, and the information of the transaction is uploaded in block chain together with the aggregate signature and is deposited
Storage.
The use of aggregate signature can save memory space in the embodiment of the present invention, promote the verification efficiency of transaction.
Content based on the above embodiment, the user identity management module are also used to:
The registration request for receiving distributed power trade user node, audits the distributed power trade user node
Identity information and qualification issue digital certificate to audit the distributed power trade user node that passes through, and by the number with
Card record is into the block chain.
Specifically, distributed power trade user node firstly generate a public and private key to and a digital safe-conduct
Book, interior digital security certificate includes identity information and public key, and it is local that private key is stored in distributed power trade user node.Then
Digital security certificate is sent to the verifying that user identity management module carries out subscriber identity information legitimacy.If legal, then it examines
Core passes through, and will not be included in the legal certificate of block and the state of certificate currently as the record in block chain, generates new block,
And it is broadcasted to the whole network.Subsequent user identity management module will authenticate successful message and return to distributed power trade user section
Point, and it is signed and issued to digital certificate, allow user to carry out electricity transaction, user's registration finishes.If it is illegal, user's registration fails,
Distributed Application access distributed power transaction platform can not be continued through.Digital certificate is that user identity management module returns to
One electronic certificate of distributed power trade user node, including user information, sign originator, sign and issue the time etc..
In addition, needing to initiate voucher when the user information of distributed power trade user node changes and updating request.
Distributed power trade user node initiates certificate update request to user identity management module, which includes number to be updated
Information needed for word certificate and verifying certificate.It is proved to be successful rear the whole network publicity, user identity management module can be issued new later
To user, while in block chain, original user certificate cancels digital certificate, using new authentication as standard.
Content based on the above embodiment, the electricity transaction cochain module are specifically used for:
It is polymerize using the digital signature that aggregate signature generating algorithm generates all legitimate user's nodes to obtain
The corresponding aggregate signature of the transaction is obtained, the transaction is uploaded in block chain with the aggregate signature.
Specifically, electricity transaction cochain module saves all legitimate users using existing aggregate signature generating algorithm
The digital signature that point generates is polymerize.
Content based on the above embodiment, the distributed power transaction system based on block chain further include: encryption passes
Defeated module, the real time data for information and intelligent electric meter to the quotation information, transaction are transmitted after encrypting.
Specifically, in order to improve the safety of transaction, the distributed power transaction system based on block chain further includes
Encrypted transmission module, specifically for information and intelligent electric meter to the quotation information, transaction real time data encrypt after
Transmission, to prevent channel opponent from spying upon relevant information.The channel opponent refers to the interested illegal user of transactional related data,
They can spy upon relevant information by means such as monitor channels.
It is fixed every one section for example, intelligent electric meter can be used for detecting the real-time power generation of user, electricity consumption, transmission of electricity situation
Time encrypts the related registration of intelligent electric meter using symmetric cryptographic algorithm, and then broadcast is legal to each legitimate user's node
User node can decrypt registration, realize relevant calculation by encryption key shared before, to assist the confirmation of transaction.
As shown in figure 3, for a kind of point based on described in the various embodiments described above based on block chain provided in an embodiment of the present invention
The flow diagram of the distributed power method of commerce of cloth electricity transaction system, comprising:
Step 300 examines the progress authentication of distributed power trade user node and qualification that have submitted logging request
Core, the type of the distributed power trade user node include power supply user node and power purchase user node；
Specifically, authentication and aptitude checking are carried out to the distributed power trade user node for having submitted logging request
Judge that this has submitted whether the distributed power trade user node of logging request is registration user, if registration user, then
Continue to judge that this has submitted whether the distributed power trade user node of logging request has power supply qualification or power purchase qualification.Only
The user node for having authentication and aptitude checking to pass through just can be carried out subsequent transaction operation.
The described pair of distributed power trade user node for having submitted logging request carries out authentication and aptitude checking
Before step, further includes:
The registration request for receiving distributed power trade user node, audits the distributed power trade user node
Identity information and qualification issue digital certificate to audit the distributed power trade user node that passes through, and by the number with
Card record is into the block chain.
Step 301 receives the quotation information that there is the power supply user node of power supply qualification to be submitted, to the quotation information
It is audited, and announces the quotation information that audit passes through, so that the power purchase user node with power purchase qualification is according to itself
Power purchase demand and the selected power supply user node of the quotation information；
Specifically, have the power supply user of power supply qualification can be to distributed power transaction platform submission of quotation information, institute
Stating the power purchase user node with power purchase qualification and being obtained by Distributed Application to distributed power transaction platform has power supply money
The quotation information that the power supply user node of matter is submitted, and can freely be selected according to the power purchase demand and the quotation information of itself
Power supply user node.
If step 302 knows that the power purchase user node with power purchase qualification and selected power supply user node are complete
At primary transaction, the information of transaction described in legitimate user's node broadcasts to the whole network, and every prefixed time interval to the whole network
Legitimate user's node broadcasts intelligent electric meter real-time registration, so that each legitimate user's node is according to the information of the transaction
The execution of the transaction is verified with the real-time registration of the intelligent electric meter and generates digital signature；
Wherein, legitimate user's node is registered distributed power trade user node；
Wherein, the real-time registration of the intelligent electric meter includes the intelligence of the power purchase user node local with power purchase qualification
The real-time registration of the intelligent electric meter of the real-time registration of energy ammeter and selected power supply user node local.
Specifically, if knowing, the power purchase user node with power purchase qualification and selected power supply user node are completed
Primary transaction, then to the relevant information of legitimate user's node broadcasts of the whole network secondary transaction.Wherein, legitimate user's node
For registered distributed power trade user node.Each legitimate user's node determines the friendship based on the information of the transaction
Easy authenticity, and a digital signature is generated for the transaction.
If knowing the power purchase user node with power purchase qualification according to the power purchase demand of the quotation information and itself
After selecting power supply user node and reaching electricity transaction with selected power supply user node, sign intelligent contract, to the whole network
The information of transaction described in legitimate user's node broadcasts, for each information and intelligence of the legitimate user's node based on the transaction
The real time data of ammeter verifies the execution of the transaction and generates digital signature；
Wherein, the real time data of the intelligent electric meter is locally obtained from the power purchase user node with power purchase qualification.
Step 303 polymerize to obtain the transaction pair the digital signature that all legitimate user's nodes generate
The transaction is uploaded in block chain by the aggregate signature answered with the aggregate signature.
Specifically, gathered using the digital signature that aggregate signature generating algorithm generates all legitimate user's nodes
It closes to obtain the corresponding aggregate signature of the transaction, the transaction is uploaded in block chain with the aggregate signature.
Distributed power method of commerce provided in an embodiment of the present invention, is not need to rely on unique supplier of electricity, Yong Huke
Switch role between power supply user and power purchase user, can more effectively can be provided using electric power with unrestricted choice trading object
Source, reduce long distance power transmission need infrastructure construction and caused by electric energy loss.The characteristic of block chain is depended on simultaneously,
Can no third side intervene in the case where, be effectively ensured transaction reliability, can not tamper, integrality.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of distributed power transaction system based on block chain characterized by comprising distributed power transaction platform and
Multiple distributed power trade user nodes, wherein
The type of the distributed power trade user node includes power supply user node and power purchase user node, and the power supply is used
Family node is used for the distributed power transaction platform submission of quotation information, the power purchase user node be used for according to itself
Power purchase demand and the quotation information freely select power supply user node, and reach electric power with selected power supply user node and hand over
Easily and sign intelligent contract；
The distributed power transaction platform is used to believe based on identity of the block chain to the distributed power trade user node
Breath is managed, and the quotation information submitted to power supply user node is audited and announced, and is used power purchase user node and power supply
Electricity transaction between the node of family is verified and is uploaded in block chain after generating aggregate signature.
2. the distributed power transaction system according to claim 1 based on block chain, which is characterized in that the distribution
Electric power transaction platform specifically includes:
User identity management module, for carrying out authentication to the distributed power trade user node for having submitted logging request
And aptitude checking；
Quotation information announces module, for receiving the quotation information that there is the power supply user node of power supply qualification to be submitted, to institute
It states quotation information to be audited, and announces the quotation information that audit passes through, for the power purchase user node root with power purchase qualification
According to the power purchase demand of itself and the selected power supply user node of the quotation information；
Electricity transaction authentication module, if for knowing that the power purchase user node with power purchase qualification and selected power supply are used
Family node completes primary transaction, the information of transaction described in legitimate user's node broadcasts to the whole network, and every between preset time
Every the real-time registration of legitimate user's node broadcasts intelligent electric meter to the whole network, so that each legitimate user's node is according to the friendship
The real-time registration of easy information and the intelligent electric meter verifies the execution of the transaction and generates digital signature；
Electricity transaction cochain module, the digital signature for generating to all legitimate user's nodes are polymerize to obtain
The corresponding aggregate signature of transaction is stated, the information of the transaction and the aggregate signature are uploaded in block chain；
Wherein, legitimate user's node is registered distributed power trade user node；
Wherein, the real-time registration of the intelligent electric meter includes the local intelligence electricity of the power purchase user node with power purchase qualification
The real-time registration of the intelligent electric meter of the real-time registration of table and selected power supply user node local.
3. the distributed power transaction system according to claim 2 based on block chain, which is characterized in that user's body
Part management module is also used to:
The registration request for receiving distributed power trade user node, audits the identity of the distributed power trade user node
Information and qualification issue digital certificate to audit the distributed power trade user node passed through, and the digital certificate are remembered
Record is into the block chain.
4. the distributed power transaction system according to claim 2 based on block chain, which is characterized in that the electric power is handed over
Easy cochain module is specifically used for:
It is polymerize using the digital signature that aggregate signature generating algorithm generates all legitimate user's nodes to obtain
The corresponding aggregate signature of transaction is stated, the transaction is uploaded in block chain with the aggregate signature.
5. the distributed power transaction system according to claim 2 based on block chain, which is characterized in that further include:
Encrypted transmission module, after the real time data for information and intelligent electric meter to the quotation information, transaction encrypts
Transmission.
6. a kind of distributed power based on any distributed power transaction system based on block chain of claim 1-5 is handed over
Easy method characterized by comprising
Authentication and aptitude checking, the distribution are carried out to the distributed power trade user node for having submitted logging request
The type of electricity transaction user node includes power supply user node and power purchase user node；
The quotation information that there is the power supply user node of power supply qualification to be submitted is received, the quotation information is audited, and
The quotation information that passes through of audit is announced, so that the power purchase user node with power purchase qualification is according to itself power purchase demand and described
The selected power supply user node of quotation information；
If knowing, the power purchase user node with power purchase qualification and selected power supply user node complete primary transaction,
The information of transaction described in legitimate user's node broadcasts to the whole network, and every prefixed time interval to legitimate user's node of the whole network
Broadcast the real-time registration of intelligent electric meter, information and the intelligent electric meter for each legitimate user's node according to the transaction
Real-time registration verify the execution of the transaction and generate digital signature；
The digital signature that all legitimate user's nodes generate is polymerize to obtain the corresponding aggregate signature of the transaction,
The transaction is uploaded in block chain with the aggregate signature；
Wherein, legitimate user's node is registered distributed power trade user node；
Wherein, the real-time registration of the intelligent electric meter includes the local intelligence electricity of the power purchase user node with power purchase qualification
The real-time registration of the intelligent electric meter of the real-time registration of table and selected power supply user node local.
7. distributed power method of commerce according to claim 6, which is characterized in that described pair has submitted logging request
Distributed power trade user node carried out before the step of authentication and aptitude checking, further includes:
The registration request for receiving distributed power trade user node, audits the identity of the distributed power trade user node
Information and qualification issue digital certificate to audit the distributed power trade user node passed through, and the digital certificate are remembered
Record is into the block chain.
8. distributed power method of commerce according to claim 6, which is characterized in that described couple of all legitimate user
The digital signature that node generates is polymerize to obtain the corresponding aggregate signature of the transaction, and the transaction is polymerize label with described
Name is uploaded to the step in block chain, specifically:
It is polymerize using the digital signature that aggregate signature generating algorithm generates all legitimate user's nodes to obtain
The corresponding aggregate signature of transaction is stated, the transaction is uploaded in block chain with the aggregate signature.
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