CN106780025A - The transfer method of digital asset, apparatus and system in block chain - Google Patents
The transfer method of digital asset, apparatus and system in block chain Download PDFInfo
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- CN106780025A CN106780025A CN201611090525.4A CN201611090525A CN106780025A CN 106780025 A CN106780025 A CN 106780025A CN 201611090525 A CN201611090525 A CN 201611090525A CN 106780025 A CN106780025 A CN 106780025A
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- transaction
- assets
- transfer
- digital asset
- block chain
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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
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The invention provides transfer method, the apparatus and system of digital asset in a kind of block chain, the transfer method includes：Data involved by digital asset to be transacted are write into a state machine；According to the state machine and digital asset generation assets distribution transaction；The assets distribution transaction is broadcasted in block chain.Just specify when digital asset is issued the node transition rule in its process of circulation by the embodiment of the present invention, and be documented in assets distribution transaction in the form of state machine, checked in the way of the mechanism of knowing together in follow-up ownership of assets transfer process, the rule specified when ensuring assets according to distribution carries out state change, prevent the go-between of transaction in assets from arbitrarily changing Asset State, so as to keep digital asset accurate, complete in the assets information described in the process of circulation into block chain.
Description
Technical field
The present invention relates to communication technical field, the transfer method of digital asset in more particularly to a kind of block chain, device and
System.
Background technology
Block chain can store all kinds of digital assets, and ownership of assets is transferred the possession of between the different owners.But money
Produce the frequent existence in transference to change, such as draft has application, honours, transfers the possession of, buying back etc. various states, stock
The state such as there is flowing, freezes, pledges, how these Asset States keep correct in the assets process of circulation, it is ensured that digital asset
Information is accurate, complete extremely important during flowing through.
For example, the information of digital asset not only includes its owner, and the various status attributes including digital asset, this
A little states and state change history are closely related with the value of digital asset.Such as, acceptance bill state when enterprise signs and issues
It is " application " state, rear state honour for " honouring " state by bank, now just has bank credit, as valuable
Security can be transferred the possession of, and carry out discount action.Status information just because of digital asset is very important information, and these shapes
The change of state is a part for market business rule, if there is certain participant arbitrarily to change state in transfer process, is not abided by
Market business rule is kept, destruction will be in itself produced to digital asset, it is impossible to ensure the information completely of digital asset.Such as, certain ginseng
The bill of " application " state directly is revised as into " honouring " with side goes application to discount, and business is lacked in the history of this bill assets
Banker's acceptance this link, the information in this bill assets is no longer complete, and invalidated ticket is turned into legal principle, if participating in handing over
The trade market of digital asset can easily be upset.
The content of the invention
To ensure that digital asset ownership keeps information integrity in transfer process, the invention provides a kind of block chain
The transfer method of middle digital asset, apparatus and system.
A kind of transfer method of digital asset in block chain is the embodiment of the invention provides, the transfer method includes：
Data involved by digital asset to be transacted are write into a state machine；
According to the state machine and digital asset generation assets distribution transaction；
The assets distribution transaction is broadcasted in block chain.
The embodiment of the present invention additionally provides a kind of transfer method of digital asset in block chain, and the transfer method includes：
Receive assets distribution transaction；
The state machine generation assets transfer transaction of trading strategies and assets distribution transaction according to transaction participant；
Assets transfer transaction is verified according to the state machine, judges whether the assets transfer transaction closes
Method；
After confirming that the assets transfer transaction is legal, block is charged into assets transfer transaction according to common recognition mechanism
Chain.
The embodiment of the present invention additionally provides a kind of transaction node device, and the transaction node device includes：
State machine presets unit, for the data involved by digital asset to be transacted to be write into a state machine；
Assets distribution transaction generation unit, for being handed over according to the state machine and digital asset generation assets distribution
Easily；
Radio unit, for broadcasting the assets distribution transaction in block chain.
The embodiment of the present invention additionally provides a kind of accounting nodes device, and the accounting nodes device includes：
Receiving unit, for receiving assets distribution transaction；
Assets transfer transaction generation unit, for the trading strategies according to transaction participant and assets distribution transaction
State machine generation assets transfer transaction；
First verification unit, for being verified to assets transfer transaction according to the state machine, judges the money
Whether legal produce transfer transactions；
First common recognition unit, for assets transfer transaction to be charged into block chain according to common recognition mechanism.
The embodiment of the present invention additionally provides a kind of transfer system of digital asset in block chain, and the transfer system includes：
One or more transaction node devices, for the data involved by digital asset to be transacted to be write into a state
Machine, according to the state machine and digital asset generation assets distribution transaction, the assets distribution is broadcasted in block chain and is handed over
Easily；
One or more accounting nodes devices, for receiving the assets distribution transaction, according to the transaction of transaction participant
The state machine generation assets transfer transaction that tactful and described assets distribution is concluded the business, according to the state machine to the assets transfer
Transaction is verified, and judges whether the assets transfer transaction is legal, after confirming that the assets transfer transaction is legal, according to altogether
Assets transfer transaction is charged to block chain by knowledge mechanism.
Method, the apparatus and system of digital asset transfer are by digital asset in block chain provided in an embodiment of the present invention
Just specify the node transition rule in its process of circulation during distribution, and be documented in assets distribution transaction in the form of state machine,
Checked in the way of the mechanism of knowing together in follow-up ownership of assets transfer process, it is ensured that the rule specified when assets are according to distribution
State change is carried out, prevents the go-between of transaction in assets from arbitrarily changing Asset State, so as to keep digital asset in the process of circulation
Described in enter block chain assets information it is accurate, complete.
By transfer method, the apparatus and system of digital asset in block chain provided in an embodiment of the present invention, it is ensured that number
The normalization of word assets information, integrality, prevent from being subject to the dealer of assets intermediate links to intervene so that the authority of assets information
Property is stronger, and the normalization of digital asset information, integrality are completed by common recognition mechanism, are judged without both parties, really
Guarantor charges to the information completely of block chain, while the realization of the mechanism of common recognition has versatility to all assets, is easy to implement and extension.
Described common recognition mechanism refers to that the accounting nodes on block chain need the verification rule for carrying out in the legitimacy of checking transaction, all
That legal accounting nodes just include licit traffic and charge to account book, it is every do not meet verification rule as illegal transaction
Abandon.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the transfer method of digital asset in a kind of block chain of the embodiment of the present invention；
Fig. 2 is the flow chart of the transfer method of digital asset in a kind of block chain of the embodiment of the present invention；
Fig. 3 is the structural representation of the state machine of the embodiment of the present invention one；
Fig. 4 is a kind of structural representation of transaction node device of the embodiment of the present invention；
Fig. 5 is a kind of structural representation of accounting nodes device of the embodiment of the present invention；
Fig. 6 is the structural representation of the transfer system of digital asset in a kind of block chain of the embodiment of the present invention；
Fig. 7 is the particular flow sheet of digital asset transfer method in embodiment of the present invention block chain.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 show the flow chart that the present invention implements digital asset transfer method in a kind of block chain, describes in detail in this figure
The method of digital asset transfer in block chain, when digital asset is issued, in determining its process of circulation by assets issuer
State, transfer action, and be documented in the form of the state machine in assets distribution transaction, assets distribution transaction storage is in area
In block chain.The method is specifically included：
Step S101, by involved by digital asset to be transacted data write a state machine.
Step S102, according to the state machine and the digital asset generation assets distribution transaction.
Normally, by assets distribution transaction, the first stroke is that assets issue transaction to digital asset.Assets publisher specifies
Data involved by digital asset and in the form of a state machine storage in assets distribution transaction.
Step S103, broadcast in block chain the assets distribution transaction.
An embodiment of the invention, the data involved by above-mentioned digital asset mainly include turning for the digital asset
It is mobile to make, the initial state and done state of the transfer action, and transfer action pass corresponding with its start-stop state
System.That is, assets publisher regulation digital asset possible transfer action, corresponding between state, and transfer action and state
Relation, and stored in assets distribution transaction in the form of state machine.Also, when assets distribution transaction is generated, generally by number
Original state after the distribution of word assets is documented in assets distribution transaction.
Accounting nodes, transaction node and franchise node are generally divided into block chain.Accounting nodes possess the power of generation account book
Profit, is responsible for collecting Transaction Information, checkout transaction legitimacy, the new account book of generation account book, and formed altogether in all accounting nodes
Know, that is, obtain recognizing for other accounting nodes.Transaction node can initiate transaction, or obtain newest account book from accounting nodes, but
Account book cannot be generated.Franchise node is responsible for the affairs such as safety certification, transaction arbitration.Normally, accounting nodes possess transaction node
Function, i.e., also can to transaction node equally initiate transaction.
The embodiment of the present invention relates generally to transaction node and accounting nodes in block chain, by the transaction node in block chain
(or the accounting nodes with trading function) generation assets distribution transaction, it is possible that assets distribution transaction defines digital asset
Transfer action, the start-stop state of transfer action and the corresponding relation between transfer action and start-stop state, and with state machine
Form is stored in assets distribution transaction, while during the assets distribution that the initial wealth state after distribution is recorded is concluded the business.It is to be generated
Into after assets distribution transaction, transaction node broadcasts generated assets distribution transaction in block chain.Follow-up digital asset
Ownership transfer transaction includes transfer action specified in state machine and the state after assets transfer.
The method of digital asset transfer is just advised by when digital asset is issued in block chain provided in an embodiment of the present invention
Node transition rule in fixed its process of circulation, and be documented in assets distribution transaction in the form of state machine, follow-up assets institute
Checked in the way of the mechanism of knowing together in transfer process of having the right, it is ensured that the rule specified when assets are according to distribution carries out state change
Change, prevent the go-between of transaction in assets from arbitrarily changing Asset State, so as to keep digital asset entering described in the process of circulation
The assets information of block chain is accurate, complete.
The transfer method flow chart of digital asset in a kind of block chain of the embodiment of the present invention is illustrated in figure 2, in detail in this figure
The process that accounting nodes generate assets transfer transaction after assets distribution transaction is received is described, number is realized in this process
The follow-up transfer of word assets, the method is specifically included：
Step S201, reception assets distribution transaction.
The state machine of step S202, the trading strategies according to transaction participant and assets distribution transaction generates assets
Transfer transactions.
Step S203, assets transfer transaction is verified according to the state machine, judge assets transfer friendship
It is easily whether legal.
Step S204, after confirming that assets transfer transaction is legal, the assets transfer is concluded the business according to common recognition mechanism
Charge to block chain.
An embodiment of the invention, accounting nodes need basis advance really after the assets distribution transaction is received
The legitimacy of the rule verification assets distribution transaction set, for example, checking whether the transaction form of assets distribution transaction is legal
Deng, confirm it is legal after block chain is charged into assets distribution transaction, and obtain common recognition with other accounting nodes on block chain.
In one embodiment, when participant of concluding the business initiates transfer transactions according to respective trading strategies, assets transfer is handed over
Accounting nodes easily by transaction node or with trading function are generated,.Assets transfer transaction need provide transfer action and
State after state after transfer, these available transfer actions and transfer has been advised in the state machine during assets distribution is concluded the business
It is fixed.The start-stop of the transfer action, transfer action of contained digital asset in the assets distribution transaction is defined in the state machine
The corresponding relation of state and the transfer action and start-stop state.
In one embodiment, transaction node or the accounting nodes with trading function conclude the business to area the assets transfer of generation
Broadcasted in block chain, the accounting nodes on block chain receive Transaction Information.
An embodiment of the invention, after accounting nodes receive assets transfer transaction, in addition it is also necessary to according to the state
Machine is verified to assets transfer transaction, judges whether the assets transfer transaction is legal.
Normally, judge by the stateful transaction that is obtained after transfer action with according to the state machine is calculated
Whether the done state of transfer action is consistent.When the stateful transaction by being obtained after the transfer action and according to the state machine
When the done state of the transfer action being calculated is consistent, judge that the assets transfer transaction is legal, otherwise judge described
Assets transfer transaction is illegal.After confirming that the assets transfer transaction is legal, the assets transfer is concluded the business and charges to block chain, and
Common recognition is obtained on block chain with other accounting nodes, assets transfer is completed.
An embodiment of the invention, when assets transfer transaction legitimacy is judged, can also prejudge assets and turn
Transfer whether the easy transfer action is fair play specified in state machine, that is, judge whether record the transfer in state machine
Action, illustrates that the transfer action is legal if recording.After confirming that transfer action is legal, can judge again by described turn
It is mobile make after the stateful transaction for obtaining and the transfer action being calculated according to the state machine done state whether one
Cause.Judge by above-mentioned two step, can confirm that assets transfer transaction is legal.
An embodiment of the invention, the done state of the transfer action is calculated according to state machine, specific real
Shi Shi, due to the prespecified start-stop state of the possible transfer action of digital asset and transfer action in state machine, because
This when the done state of a certain transfer action is calculated, the typically done state according to a upper transfer action and current
Transfer action calculates the done state of current transfer action.If current transfer action is first transfer of assets transfer transaction
Action, i.e., " a upper transfer action " may not exist, then can be issued according to the digital asset described in assets distribution transaction
Rear initial wealth state and corresponding transfer action calculate the done state of the transfer action.
More clearly to be illustrated to the embodiment of the present invention, the embodiment of the present invention additionally provides showing for a state machine architecture
It is intended to, as shown in Figure 3.Defined in the state machine assets distribution transaction in contained digital asset be related in transfer process turn
Mobile to make A1, A2 ... An, it is stipulated that the start-stop state of transfer action A1 is respectively Si1, Sj1, it is stipulated that the start-stop of transfer action A2
State is respectively Si2, Sj2 ... ..., it is stipulated that the start-stop state of transfer action An is respectively Sin, Sjn, and defines digital asset
Original state after distribution is Si1.When assets issue transaction by after transfer action A1, the state being calculated according to state machine
Should be Sj1, if the state of reality not Sj1, illustrate that assets transfer transaction is illegal, i.e., by by transfer action
The state for obtaining afterwards is compared with the state being calculated through state machine, completes the verification of assets transfer transaction.
Based on the transfer method identical inventive concept of digital asset in block chain shown in Fig. 1, the embodiment of the present invention is also carried
A kind of transaction node device is supplied, as described in example below.The principle and block chain shown in Fig. 1 of solve problem are put due to repacking
The principle of the transfer method of middle digital asset is similar, therefore the implementation of the device may refer to the transfer of digital asset shown in Fig. 1
The implementation of method, repeats part and repeats no more.
Fig. 4 show a kind of structural representation of transaction node device of the embodiment of the present invention, the transaction for describing in detail in this figure
The functional structure of node apparatus, can complete the distribution of digital asset, and repacking is put and specifically included：State machine presets unit 41, money
Produce distribution transaction generation unit 42 and radio unit 43.Wherein, the default unit 41 of state machine is used for digital asset to be transacted
Involved data write a state machine；Assets distribution transaction generation unit 42 is used for according to the state machine and the numeral money
Produce into assets distribution transaction；Radio unit 43 is used to broadcast the assets distribution transaction in block chain.
An embodiment of the invention, the data involved by described digital asset include：The digital asset turn
The corresponding relation of mobile work, the start-stop state of the transfer action and the transfer action and start-stop state.
In one embodiment, when according to the state machine and digital asset generation assets distribution transaction, assets hair
Row transaction generation unit 42 is additionally operable to the initial wealth state after the digital asset is issued and writes the assets distribution transaction.
Fig. 5 show a kind of structural representation of accounting nodes device of the embodiment of the present invention, and the dress is described in detail in this figure
The functional structure put, the device is specifically included：Receiving unit 51, assets transfer transaction generation unit 52, the first verification unit 53
And first common recognition unit 54.Wherein, receiving unit 51 is used to receive assets distribution transaction；Assets transfer transaction generation unit 52 is used
In the trading strategies according to transaction participant and the state machine generation assets transfer transaction of assets distribution transaction；First school
Whether verification certificate unit 53 is used to verify assets transfer transaction according to the state machine, judges the assets transfer transaction
It is legal；First common recognition unit 54 is used to that assets transfer transaction to be charged into block chain according to common recognition mechanism.
An embodiment of the invention, the first verification unit 53 specifically includes a judge module and check results output
Module, the judge module is used to judge to be calculated with according to the state machine by the stateful transaction obtained after transfer action
The transfer action done state it is whether consistent；The check results output module, for when by the transfer action
When the stateful transaction for obtaining afterwards is consistent with the done state of the transfer action being calculated according to the state machine, institute is judged
State assets transfer to conclude the business legal and export, otherwise judge that the assets transfer transaction is illegal and exports.
In one embodiment, the first verification unit 53 also includes another judge module, for judging that the assets transfer is handed over
Whether the easy transfer action is fair play specified in the state machine, when it is determined that transfer action is legal, then to warp
The stateful transaction obtained after transfer action is crossed to be judged.
In one embodiment, the done state of the transfer action is calculated according to the state machine, is specifically included：Root
The done state of current transfer action is calculated according to the done state and current transfer action of a upper transfer action.
In one embodiment, defined in state machine contained digital asset in assets distribution transaction transfer action,
The start-stop state and the transfer action of transfer action and the corresponding relation of start-stop state.
An embodiment of the invention, above-mentioned accounting nodes device also includes：One second verification unit 55 and one
Two common recognition units 56, wherein, the second verification unit 55 is used to be verified according to preset rules the legitimacy of the assets distribution transaction,
Second common recognition unit 56 is used to for assets distribution transaction to charge to block chain, and obtains common recognition on block chain.
In one embodiment, a radio unit 57 is also included in accounting nodes device provided in an embodiment of the present invention, is used for
After assets distribution transaction generation unit 52 generates the assets transfer transaction, the assets transfer is broadcasted in block chain and is handed over
Easily.
Accounting nodes device provided in an embodiment of the present invention may include common accounting nodes in the specific implementation, with transaction
The accounting nodes or transaction node of function.
The state machine that accounting nodes device provided in an embodiment of the present invention specifies when being issued according to assets, checks transfer action
Whether whether state is correct after legal, assets transfer, so that the shape specified when being issued according to assets in ensureing the assets process of circulation
State rule change is carried out, and prevents the go-between of transaction in assets from arbitrarily changing Asset State, it is ensured that digital asset is in the process of circulation
Record accurate, complete into the assets information of block chain.By device provided in an embodiment of the present invention, can prevent from being subject to assets
The dealer of intermediate links intervenes so that assets information it is authoritative stronger, and digital asset information normalization, integrality
Completed by common recognition mechanism, judged without both parties, it is ensured that charge to the information completely of block chain, while the reality of the mechanism of common recognition
Now there is versatility to all assets, be easy to implement and extension.
Fig. 6 is the structural representation of the transfer system of digital asset in a kind of block chain of the invention, is described in detail in this figure
The block chain of the achievable digital asset ownership transfer being made up of transaction node device and accounting nodes device.The system is specific
Including：
One or more transaction node devices, for the data involved by digital asset to be transacted to be write into a state
Machine, according to the state machine and digital asset generation assets distribution transaction, the assets distribution is broadcasted in block chain and is handed over
Easily.The embodiment of the present invention is only illustrated by taking a transaction node device as an example, is not intended as limitation of the present invention.Specifically
Ground, the transaction node device can by a transaction node or the accounting nodes with trading function realize.
One or more accounting nodes devices, for receiving the assets distribution transaction, according to the transaction of transaction participant
The state machine generation assets transfer transaction that tactful and described assets distribution is concluded the business, according to the state machine to the assets transfer
Transaction is verified, and judges whether the assets transfer transaction is legal, after confirming that the assets transfer transaction is legal, according to altogether
Assets transfer transaction is charged to block chain by knowledge mechanism.The embodiment of the present invention is only said by taking an accounting nodes device as an example
It is bright, it is not intended as limitation of the present invention.During specific implementation, the accounting nodes device can be by accounting nodes 602, accounting nodes
603 and transaction node (or the accounting nodes with trading function) 604 constitute.When node 604 is transaction node, node 601
The distribution transaction of the assets of generation cannot be broadcast on node 604；When node 604 is the accounting nodes with trading function,
When the assets of broadcast generation issue transaction, node 604 can also receive transaction broadcast to node 601.
By the transfer system of digital asset in block chain provided in an embodiment of the present invention, by when digital asset is issued
Just specify the node transition rule in its process of circulation, and be documented in assets distribution transaction in the form of state machine, follow-up money
Checked in the way of the mechanism of knowing together during product ownership transfer, it is ensured that the rule specified when assets are according to distribution carries out shape
State changes, and prevents the go-between of transaction in assets from arbitrarily changing Asset State, so as to keep digital asset described in the process of circulation
Assets information into block chain is accurate, complete.
Fig. 7 is the particular flow sheet of the transfer method of digital asset in a kind of block chain of the embodiment of the present invention, figure description
The overall flow of digital asset transfer in block chain, can be realized using the transfer system of digital asset shown in Fig. 6.Such as Fig. 7 institutes
Show, the method is mainly included the following steps that：
Step S701, the generation assets distribution transaction of transaction node (or the accounting nodes with trading function) 601, wherein,
Change during assets distribution is concluded the business and define the possible transfer action of digital asset, the start-stop state of transfer action, and transfer action
With the corresponding relation between its start-stop state, and in the form of the state machine storage in assets distribution transaction.
The assets distribution transaction that step S702, node 601 will be generated is broadcasted on block chain, so that the book keeping operation on block chain
Node 602 or 603 receives Transaction Information.
Step S703, accounting nodes 602 or 603 are legal according to preset rules (such as form etc. of concluding the business) checking transaction
Property, confirm it is legal after block chain is charged into transaction, and with other accounting nodes (in accounting nodes 602 and 603 on block chain
Other accounting nodes on another node, and block chain) obtain common recognition.So far, assets distribution is completed.
Step S704, when participant of concluding the business initiates assets transfer according to respective trading strategies, transaction node (or has
The accounting nodes of trading function) 604 generation assets transfer transaction.Generation assets transfer needs to provide transfer action when concluding the business, turns
The mobile start-stop state made, these available transfer actions and state have all specified in assets distribution transaction.
Step S705, transaction node (or the accounting nodes with trading function) 604 conclude the business generated assets transfer
Broadcasted on block chain, so that the accounting nodes on block chain receive Transaction Information.
Step S706, accounting nodes 602 and 603 are traded verification, determine whether above-mentioned transaction is legal, wherein, meet
The transaction of following condition is then licit traffic：
1) transfer action in concluding the business is fair play in the state machine of the distribution transaction of the assets；
2) state machine concluded the business according to the distribution of the assets, and the state after the assets last transaction, can obtain this
State after secondary transaction, and with transaction in provide state consistency.
By transfer method, the apparatus and system of digital asset in block chain provided in an embodiment of the present invention, it is ensured that number
The normalization of word assets information, integrality, prevent from being subject to the dealer of assets intermediate links to intervene so that the authority of assets information
Property is stronger, and the normalization of digital asset information, integrality are completed by common recognition mechanism, are judged without both parties, really
Guarantor charges to the information completely of block chain, while the realization of the mechanism of common recognition has versatility to all assets, is easy to implement and extension.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.And, the present invention can be used and wherein include the computer of computer usable program code at one or more
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) is produced
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Apply specific embodiment in the present invention to be set forth principle of the invention and implementation method, above example
Explanation be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art,
According to thought of the invention, will change in specific embodiments and applications, in sum, in this specification
Appearance should not be construed as limiting the invention.
Claims (21)
1. in a kind of block chain digital asset transfer method, it is characterised in that the transfer method includes：
Data involved by digital asset to be transacted are write into a state machine；
According to the state machine and digital asset generation assets distribution transaction；
The assets distribution transaction is broadcasted in block chain.
2. in block chain according to claim 1 digital asset transfer method, it is characterised in that described digital asset
Involved data include：The transfer action of the digital asset, the start-stop state of the transfer action and the transfer are moved
Make the corresponding relation with start-stop state.
3. in the block chain according to claim digital asset transfer method, it is characterised in that according to the state
When machine and digital asset generation assets distribution transaction, the initial wealth state write-in after the digital asset is issued is described
Assets distribution transaction.
4. in a kind of block chain digital asset transfer method, it is characterised in that the transfer method includes：
Receive assets distribution transaction；
The state machine generation assets transfer transaction of trading strategies and assets distribution transaction according to transaction participant；
Assets transfer transaction is verified according to the state machine, judges whether the assets transfer transaction is legal；
After confirming that the assets transfer transaction is legal, block chain is charged into assets transfer transaction according to common recognition mechanism.
5. in block chain according to claim 4 digital asset transfer method, it is characterised in that in the state machine advise
The transfer action of contained digital asset, the start-stop state of transfer action and the transfer are moved in having determined the assets distribution transaction
Make the corresponding relation with start-stop state.
6. in block chain according to claim 4 digital asset transfer method, it is characterised in that receiving the assets
After distribution transaction, the transfer method also includes：
The legitimacy of the assets distribution transaction is verified according to preset rules；
After confirming that the assets distribution transaction is legal, block chain is charged into assets distribution transaction, and taken on block chain
Must know together.
7. in block chain according to claim 4 digital asset transfer method, it is characterised in that generating the assets
After transfer transactions, the transfer method also includes：The assets transfer transaction is broadcasted in block chain.
8. in block chain according to claim 4 digital asset transfer method, it is characterised in that according to the state machine
Assets transfer transaction is verified, judges whether the assets transfer transaction is legal, specifically includes：
Judge by the stateful transaction obtained after transfer action and the transfer action being calculated according to the state machine
Whether done state is consistent；
When the stateful transaction by being obtained after the transfer action and the transfer action being calculated according to the state machine
Done state it is consistent when, judge that assets transfer transaction is legal, otherwise judge that the assets transfer transaction is illegal.
9. in block chain according to claim 8 digital asset transfer method, it is characterised in that the transfer method is also
Including：Whether the transfer action for judging the assets transfer transaction is fair play specified in the state machine；
After it is determined that the transfer action is legal, then judge described with basis by the stateful transaction obtained after the transfer action
Whether the done state of the transfer action that state machine is calculated is consistent.
10. in block chain according to claim 8 digital asset transfer method, it is characterised in that according to the state
Machine is calculated the done state of the transfer action, specifically includes：Done state according to a upper transfer action and current
Transfer action calculates the done state of current transfer action.
11. a kind of transaction node devices, it is characterised in that the transaction node device includes：
State machine presets unit, for the data involved by digital asset to be transacted to be write into a state machine；
Assets distribution transaction generation unit, for according to the state machine and digital asset generation assets distribution transaction；
Radio unit, for broadcasting the assets distribution transaction in block chain.
12. transaction node devices according to claim 10, it is characterised in that the data involved by described digital asset
Including：The transfer action of the digital asset, the start-stop state of the transfer action and the transfer action and start-stop state
Corresponding relation.
13. transaction node devices according to claim 10, it is characterised in that according to the state machine and the numeral
When assets generation assets issue transaction, the assets are issued first after transaction generation unit is additionally operable to issue the digital asset
Beginning Asset State writes the assets distribution transaction.
14. a kind of accounting nodes devices, it is characterised in that the accounting nodes device includes：
Receiving unit, for receiving assets distribution transaction；
Assets transfer transaction generation unit, for the trading strategies according to transaction participant and the shape of assets distribution transaction
The generation assets transfer transaction of state machine；
First verification unit, for being verified to assets transfer transaction according to the state machine, judges that the assets turn
Transfer easily whether legal；
First common recognition unit, for assets transfer transaction to be charged into block chain according to common recognition mechanism.
15. accounting nodes devices according to claim 14, it is characterised in that the assets are defined in the state machine
The transfer action of contained digital asset, the start-stop state of transfer action and the transfer action and start-stop state in distribution transaction
Corresponding relation.
16. accounting nodes devices according to claim 14, it is characterised in that after the assets distribution transaction is received,
The accounting nodes device also includes：
Second verification unit, the legitimacy for verifying the assets distribution transaction according to preset rules；
Second common recognition unit, for assets distribution transaction to be charged into block chain, and obtains common recognition on block chain.
17. accounting nodes devices according to claim 14, it is characterised in that the accounting nodes device also includes：Extensively
Unit is broadcast, for after the assets transfer transaction is generated, the assets transfer transaction being broadcasted in block chain.
18. accounting nodes devices according to claim 14, it is characterised in that first verification unit is specifically included：
First judge module, for judging to be calculated with according to the state machine by the stateful transaction obtained after transfer action
The transfer action done state it is whether consistent；
Check results output module, based on when the stateful transaction by being obtained after the transfer action and according to the state machine
When the done state of the transfer action for obtaining is consistent, judge that the assets transfer transaction is legal and exports, otherwise judge
The assets transfer transaction is illegal and exports.
19. accounting nodes devices according to claim 18, it is characterised in that first verification unit also includes：The
Two judge modules, for judge assets transfer transaction the transfer action whether be specified in the state machine it is legal
Action.
20. accounting nodes devices according to claim 18, it is characterised in that according to the state machine is calculated
The done state of transfer action, specifically includes：Done state and current transfer action according to a upper transfer action are calculated works as
The done state of preceding transfer action.
The transfer system of digital asset in a kind of 21. block chains, it is characterised in that the transfer system includes：
One or more transaction node devices, for the data involved by digital asset to be transacted to be write into a state machine, root
According to the state machine and digital asset generation assets distribution transaction, the assets distribution transaction is broadcasted in block chain；
One or more accounting nodes devices, for receiving the assets distribution transaction, according to the trading strategies of transaction participant
And the state machine generation assets transfer transaction of the assets distribution transaction, the assets transfer is concluded the business according to the state machine
Verified, judged whether the assets transfer transaction is legal, after confirming that the assets transfer transaction is legal, according to common recognition machine
Assets transfer transaction is charged to block chain by system.
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