CN108804209A - The dispatching method and device of intelligent contract - Google Patents
The dispatching method and device of intelligent contract Download PDFInfo
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- CN108804209A CN108804209A CN201710509423.XA CN201710509423A CN108804209A CN 108804209 A CN108804209 A CN 108804209A CN 201710509423 A CN201710509423 A CN 201710509423A CN 108804209 A CN108804209 A CN 108804209A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
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Abstract
This application involves the dispatching method of intelligent contract and devices.A kind of dispatching method of intelligence contract, includes the following steps：Reading and scanning step read intelligent contract and are simultaneously scanned to it, to obtain the state of intelligent contract；Selection and construction step select intelligent contract and the intelligent contract queue of intelligent contract structure based on selection according to the state of the intelligent contract obtained in the reading and scanning step；Traversal and execution step, traverse the intelligent contract queue obtained in the selection and construction step, execute the task for the intelligent contract for meeting precondition in the intelligence contract queue.The dispatching method and device of intelligence contract according to the present invention, can improve the operational efficiency of intelligent contract, improve flexibility and the diversity of intelligent Contract Design and operation.
Description
Technical field
The present invention relates to the technical fields of intelligent contract, more specifically, are related to the dispatching method and device of intelligent contract.
Background technology
Intelligent contract is the set of code and data, is also cried " programmable contract ".In general, intelligent contract is to pass through journey
Sequence coding definition, and preset execution condition；The process performing when triggering execution condition." intelligence " therein is in execution
Intelligence, that is to say, that if reaching some preset condition, contract executes automatically.
Currently, intelligent contract based on block chain technology be based primarily upon the super account books of IBM (Hyperledger),
The chaincode etc. in chaincode and ether mill (Ethereum) block chain frame in Fabric block chain frames.It is logical
In the case of often, the generation and realization of intelligent contract write intelligent contract program code (for example, using including the use of front end
The computer languages such as Solidity, Java, Go and Python), then by far call mode in contract virtual machine to intelligence
Energy contract program is scheduled and executes.
However, there are several defects for the scheduling and execution of current intelligence contract.Current each intelligent contract is similar to each
A independent program (or code), each program are individually performed in different virtual machines, and each intelligent contract is usually only
It executes primary.In this way, on the one hand cause the low of intelligent contract operational efficiency, and be difficult to realize intelligent contract long-time,
Periodically execute.
Information disclosed in background technology part is intended merely to reinforce the understanding of the general background to the present invention, is not construed as holding
Recognize or give tacit consent to this information and constitutes the prior art well known by persons skilled in the art.
Invention content
In view of the above problem in background technology, the technical problem to be solved in the present invention include one in problems with or
It is multiple：How the operational efficiency for how improving intelligent contract (especially multiple intelligent contracts), improve intelligent Contract Design and fortune
Capable flexibility and diversity.
For this purpose, the present invention provides a kind of dispatching method of intelligent contract, include the following steps：Reading and scanning step are read
It takes intelligent contract and it is scanned, to obtain the state of intelligent contract；Selection and construction step, according to it is described reading and
The state of the intelligent contract obtained in scanning step selects intelligent contract and the intelligent contract of intelligent contract structure based on selection
Queue；Traversal and execution step, the intelligent contract queue obtained in the traversal selection and construction step execute the intelligent conjunction
About meet the task of the intelligent contract of precondition in queue.
Preferably, the reading and scanning step further comprise：Intelligent contract is read from block chain, to intelligent contract
And its state and implementing result progress persistent storage are executed, and with predetermined scan frequency and predetermined sweep time to persistence
The intelligent contract of storage is scanned.
Preferably, the state of the intelligent contract obtained in the reading and scanning step includes in establishment, progress, eventually
Only, one kind in completing and destroy.
Preferably, the selection and construction step further comprise：Select state for establishment or ongoing intelligent contract,
And the intelligent contract queue of intelligent contract structure based on selection.
Preferably, read intelligent contract and it is scanned including：The traversal and execution step further comprise：Root
According to the state of the task of intelligent contract, judge whether task meets the precondition, and execute meet it is described before
Set the task of condition.
In addition, the present invention provides a kind of dispatching device of intelligent contract, including：Reading and scan module, are configured to read
Intelligent contract is simultaneously scanned it, to obtain the state of intelligent contract；Selection and structure module, are configured to according to the reading
The state with the intelligent contract obtained in scan module is taken, intelligent contract and the intelligent contract structure intelligence based on selection are selected
Contract queue；Traversal and execution module are configured to traverse the intelligent contract queue obtained in the selection and structure module, execute
Meet the task of the intelligent contract of precondition in the intelligence contract queue.
Preferably, the reading and scan module are further configured to：Intelligent contract is read from block chain, to intelligent conjunction
About and its state and implementing result progress persistent storage are executed, and with predetermined scan frequency and predetermined sweep time to lasting
The intelligent contract for changing storage is scanned.
Preferably, the state of the intelligent contract obtained in the reading and scan module includes in establishment, progress, eventually
Only, one kind in completing and destroy.
Preferably, the selection and structure module are further configured to：State is selected to be closed for establishment or ongoing intelligence
About, the intelligent contract queue of intelligent contract structure and based on selection.
Preferably, the traversal and execution module are further configured to：According to the state of the task of intelligent contract, to task
Whether meet the precondition to be judged, and executes the meeting the precondition of the task
According to the advantageous effect that can realize of the present invention include one of the following or multiple：Improve the operation of intelligent contract
Efficiency improves flexibility and the diversity of intelligent Contract Design and operation.
Description of the drawings
Fig. 1 is the flow chart of the dispatching method of intelligent contract according to the ... of the embodiment of the present invention.
Fig. 2 is the schematic block diagram of the dispatching device of intelligent contract according to the ... of the embodiment of the present invention.
In order to clearly be described, it is omitted and part of the technology of the present invention essence without substantial connection；And illustrating
In book and attached drawing, same or analogous element is indicated by the same numbers.It should be understood that in order to illustrate the base of the present invention
Present principles and each feature, attached drawing present it is a degree of it is simplified indicate, what the scope of the present invention was not limited to indicate in attached drawing
Form.
Specific implementation mode
Below in conjunction with attached drawing detailed description of the present invention embodiment.Although describing this hair in conjunction with exemplary embodiment
It is bright, it is to be understood that this specification is not intended to limit the invention to these exemplary embodiments.On the contrary, the present invention is not only
Be intended to cover these exemplary embodiments, and cover the essence for being included in the present invention being defined by the appended claims and
Various replacements, modification, equivalent form in range.
Fig. 1 is the flow chart of the dispatching method of intelligent contract according to the ... of the embodiment of the present invention.
According to an embodiment of the invention, the dispatching method of intelligent contract includes the following steps：
S101：Reading and scanning step read intelligent contract and are simultaneously scanned to it, to obtain the shape of intelligent contract
State；
S102：Selection and construction step, according to the state read with the intelligent contract obtained in scanning step, selection intelligence
Contract and the intelligent contract queue of intelligent contract structure based on selection；
S103：Traversal and execution step, the intelligent contract queue obtained in traversal selection and construction step execute intelligent close
About meet the task of the intelligent contract of precondition in queue.
The dispatching method of intelligence contract according to the ... of the embodiment of the present invention can be applied to contract virtual machine, i.e., intelligent contract
Appropriate running environment.Certainly, it should be appreciated by those skilled in the art that the dispatching method of the intelligent contract of the present invention can also be applied
In the scene that any other is suitable for being scheduled intelligent contract.
It reads and scanning step further comprises：Intelligent contract is read from block chain, to intelligent contract and its executes shape
State and implementing result carry out persistent storage, and with predetermined scan frequency and predetermined sweep time to the intelligence of persistent storage
Contract is scanned.
Block chain is the distributed data structure that data block is carried out chain type combination according to certain sequence and is formed.It utilizes
The decentralization of block chain, data such as can not distort at the characteristics, be stored in the intelligent contract in block chain to the transparent public affairs of each node
It opens, so as to realize the publicity and validity of intelligent contract.According to a preferred embodiment of the invention, intelligent contract is from area
It is read on block chain, and after the task that scheduling executes intelligent contract, it can be by the current of task output and intelligent contract
State is sent to block chained record, to form disclosure, the intelligent contract environment that can not be distorted and system.
Predetermined scan frequency and predetermined sweep time can be configured according to actual needs.
The state of the intelligent contract obtained in reading and scanning step includes in establishment, progress, termination, completes and destroy
In one kind.
Selection and construction step further comprise：Select state for establishment or ongoing intelligent contract, and based on selection
The intelligent contract queue of intelligent contract structure.
It should be appreciated by those skilled in the art that the various particular states for the intelligent contract listed in the present embodiment only play pair
The effect that intelligence contract state of the present invention illustrates.Can also use those skilled in the art it is conceivable that other
Term is to having execution demand or the state of intelligent contract to be come into force to be described, these different descriptions are all in the model of the present invention
Within enclosing.To the various states of the task for the intelligent contract mentioned below, the same is true.
Traversal and execution step further comprise：It is preposition to whether task meets according to the state of the task of intelligent contract
Condition is judged, and executes the meeting precondition of the task.
Intelligence contract according to the ... of the embodiment of the present invention includes task as basic execution unit, and there are one holds each task
Row state, such as：Do not start, in progress, suspend mode, discarding, termination and completion.Moreover, different tasks has different attributes,
The General Properties that task has include：Task names, task type, precondition, postcondition etc., wherein precondition is also referred to as
For trigger condition, start task execution when meeting the condition；Postcondition is also referred to as state circulation condition, and it is former to meet the condition
Next state is arrived in business circulation.When intelligent contract is broken down into multiple tasks, each task is not start state；When intelligent conjunction
When being about loaded into contract queue, each task is dormant state；When task meets corresponding precondition in progress
State；It is completion status when task meets corresponding postcondition；It is not chosen when the optional task that task is intelligent contract and
It is discarding state when middle；It is final state when task meets exception boundary condition.
According to an embodiment of the invention, for example, if current intelligent contract in intelligent contract queue (its state be create or
In progress) current task state be " in progress " then to judge whether the precondition for meeting the task.If meeting preposition item
Part then starts to execute this task.It, can be by the current state (ratio of the output of this task and intelligent contract after task execution
Such as：All outputs so far) it is sent to block chained record.
According to an embodiment of the invention, if the state of intelligent contract is not in creating or carrying out, or intelligent contract
State is in creating or carrying out but current task state is not " in progress ", or the state of intelligent contract is in creating or carrying out
And current task state is " in progress " but is unsatisfactory for task precondition, can the intelligent contract of reading be put into intelligent conjunction
The about tail of the queue of queue skips the intelligence contract, then proceed to ergodic process, executes next intelligent contract.In addition, if working as
The state of preceding intelligence contract is " termination ", " completion " or " destruction ", then can remove the intelligence contract from intelligent contract queue.
It, may (such as logic error, label under specific circumstances in the prior art for the disposable execution of multiple intelligent contracts
Name mistake etc.) stagnation that causes contract to execute and inefficient.The dispatching method of intelligence contract according to the present invention, is held using the period
The technological means such as row, long-term execution, rotation execution, may be implemented the execution form of workflow, so as to improve intelligent contract
Operational efficiency, improve flexibility and the diversity of intelligent Contract Design and operation.
By another embodiment, it is as follows that the present invention will be described.
A kind of implementation method based on visual intelligent contract is disclosed, contract virtual machine, including following step are applied to
Suddenly：
The Intelligent target contract from application end is received, and the Intelligent target contract and the Intelligent target are closed
Execution state and implementing result about carries out persistent storage, and the execution state of the Intelligent target contract includes creating, carrying out
In, terminate, complete and destroy；
Specifically, corresponding to Intelligent target contract property set in creation time, the initial time that comes into force, come into force cut-off when
Between, the execution state of Intelligent target contract includes in establishment, progress, terminates, completes and destroy.Current time is more than creation time
When Intelligent target contract be in creation state；Current time is more than Intelligent target contract when coming into force initial time and is in shape in progress
State；Current time is more than Intelligent target contract when coming into force deadline and is in completion status；Intelligent target contract meets abnormal side
Final state is in when boundary's condition；When triggering contract destruction action, Intelligent target contract is in destruction state.
The implementing result of Intelligent target contract includes running succeeded and executing failure.
It should be noted that further including after abovementioned steps：
The execution state of the Intelligent target contract is obtained in real time.
It should also be noted that, further including after abovementioned steps：According to the inquiry request of user, to persistent storage
The Intelligent target contract is inquired, and query result is sent to the user.
The inquiry request can be the inquiry to the execution state of intelligent contract.
Timing is scanned multiple intelligent contracts of persistent storage, by the intelligence of the state in creation state or progress
Energy contract is loaded into contract queue；
It should be noted that sweep time and scan frequency can be set in advance according to actual needs.
The contract queue is traversed, determines current intelligent contract；
Intelligent contract is sequentially ranked up in the queue in contract queue, in the initial state, queue
In first intelligent contract be current intelligent contract.
Judge in the current intelligent contract with the presence or absence of the meeting corresponding precondition of the task；If in the presence of executing：By institute
The task of stating is loaded into execution unit, and executes the task；If being not present, current intelligent contract is skipped in execution, according to traversal
Sequentially, it using next intelligent contract of the current intelligent contract as current intelligent contract, and returns and works as described in execution judgement
With the presence or absence of the meeting corresponding precondition of the task in preceding intelligence contract.
Based on the realization process of above-mentioned intelligent contract, the state of each task includes in not starting, carrying out, suspend mode,
It abandons, terminate and completes, when the Intelligent target contract is broken down into multiple tasks, each task is not start shape
State；When the Intelligent target contract is loaded into the contract queue, each task is dormant state；When described
Business is state in carrying out when meeting corresponding precondition；It is completion status when the task meets corresponding postcondition；
It is discarding state when the optional task that the task is the Intelligent target contract and not selected；When the task meet it is different
It is final state when normal boundary condition.
The disclosed implementation method based on visual intelligent contract of the present embodiment is answered in the virtual generator terminal of contract coming from
Persistent storage is carried out with the Intelligent target contract at end, and timing is scanned multiple intelligent contracts of persistent storage, it will
The intelligent contract of state is loaded into contract queue in creation state or progress, in a manner of workflow, in contract queue
In execution is scheduled to the meeting corresponding precondition in current intelligent contract of the task, realize the intelligent scheduling of intelligent contract
With sustainable execution.
Fig. 2 is the schematic block diagram of the dispatching device of intelligent contract according to the ... of the embodiment of the present invention.
Based on the dispatching method of intelligent contract of the invention, a kind of dispatching device 200 of intelligent contract is disclosed in Fig. 2,
Including：Reading and scan module 201, are configured to read intelligent contract and be scanned to it, to obtain the shape of intelligent contract
State；Selection and structure module 202 are configured to according to the state read with the intelligent contract obtained in scan module, selection intelligence
Contract and the intelligent contract queue of intelligent contract structure based on selection；Traversal and execution module 203, be configured to traversal selection and
The intelligent contract queue obtained in structure module executes the task for the intelligent contract for meeting precondition in intelligent contract queue.
It reads and scan module 201 is further configured to：Intelligent contract is read from block chain, to intelligent contract and its is held
Row state and implementing result carry out persistent storage, and with predetermined scan frequency and predetermined sweep time to persistent storage
Intelligent contract is scanned.
The state of the intelligent contract obtained in reading and scan module includes in establishment, progress, termination, completes and destroy
In one kind.
Selection and structure module 202 are further configured to：It selects state for establishment or ongoing intelligent contract, and is based on
The intelligent contract queue of intelligent contract structure of selection.
Traversal and execution module 203 are further configured to：According to the state of the task of intelligent contract, whether task is met
Precondition is judged, and executes the meeting precondition of the task.
With reference to the dispatching method of intelligent contract according to the present invention, the dispatching device 200 of intelligent contract can be realized above
The similar techniques effect of description.
In addition, according to a simplification embodiment of the invention, the dispatching method of intelligent contract of the invention may include following
Content.
Intelligent contract is read from block chain, is loaded into the tail of the queue of intelligent contract queue, wherein intelligent contract is by multiple
Business composition, each intelligence contract have certain state (for example, in creating, carrying out, terminate, complete and destroy), each task
With certain state (for example, in not starting, carrying out, suspend mode, discarding, termination and completion).Intelligent contract is in same group, cluster
Or it is executed by turns inside virtual machine.Process by turns for example can be to first carry out correct intelligent contract, judge whether it meets
Execution condition；The intelligence contract is executed if meeting；If being unsatisfactory for, tail of the queue is dropped it off, then carry out to next intelligent contract
Judge.Judge whether that meeting execution condition for example may include：Intelligent contract state is considered first, if intelligent contract state is
" in establishment " or " in progress ", then consider currently performed task.Task status, such as task shape are also contemplated for when considering task
State whether be " in progress ", if it is, judging whether to meet task precondition；If it is satisfied, then contract virtual machine starts
Execute this task (just really performing this task at this time, in other words perform a task of this intelligent contract).Task
After being finished, by the current state of the output of this task and intelligent contract (such as：All outputs so far) it sends
To block chained record.It in addition, will if intelligent contract state or task status mismatch or do not meet task precondition
This intelligent contract is put into tail of the queue, executes next intelligent contract；If current team's head intelligence is closed when considering intelligent contract state
State about is " termination ", " completion " or " destruction ", then removes the intelligence contract from queue.
Above with the purpose of illustration, the certain exemplary embodiments of the present invention are presented.Described above and unawareness
Figure carries out exhaustively exhaustion to the present invention, is also not intended to limit the invention to disclosed exact form.Obviously, this field
Technical staff can carry out many change and variations according to described above.These exemplary embodiments be chosen and described be in order to
The certain principles and practical application for explaining the present invention, it is of the invention each to enable those skilled in the art to manufacture and use
A exemplary embodiment and its various alternatives and modifications form.In fact, the scope of the present invention by the attached claims and its
Equivalents.
Claims (10)
1. a kind of dispatching method of intelligence contract, which is characterized in that include the following steps：
Reading and scanning step read intelligent contract and are simultaneously scanned to it, to obtain the state of intelligent contract；
Selection and construction step select intelligent contract according to the state of the intelligent contract obtained in the reading and scanning step
And the intelligent contract queue of intelligent contract structure based on selection；
Traversal and execution step, the intelligent contract queue obtained in the traversal selection and construction step execute the intelligent conjunction
About meet the task of the intelligent contract of precondition in queue.
2. the dispatching method of intelligence contract according to claim 1, which is characterized in that the reading and scanning step are into one
Step includes：Intelligent contract is read from block chain, to intelligent contract and its executes state and implementing result progress persistent storage,
And the intelligent contract of persistent storage is scanned with predetermined scan frequency and predetermined sweep time.
3. the dispatching method of intelligence contract according to claim 1, which is characterized in that in the reading and scanning step
The state of the intelligent contract of acquisition includes one kind in establishment, progress, in terminating, complete and destroying.
4. the dispatching method of intelligence contract according to claim 3, which is characterized in that the selection and construction step are into one
Step includes：Select state for establishment or ongoing intelligent contract, and the intelligent contract queue of the structure of the intelligent contract based on selection.
5. the dispatching method of intelligence contract according to claim 1, which is characterized in that described to traverse and execute step into one
Step includes：According to the state of the task of intelligent contract, judge whether task meets the precondition, and executes full
The task of the foot precondition.
6. a kind of dispatching device of intelligence contract, which is characterized in that including：
Reading and scan module, are configured to read intelligent contract and be scanned to it, to obtain the state of intelligent contract；
Selection and structure module are configured to, according to the state of the intelligent contract obtained in the reading and scan module, select intelligence
It can contract and the intelligent contract queue of intelligent contract structure based on selection；
Traversal and execution module are configured to traverse the selection and build the intelligent contract queue obtained in module, described in execution
Meet the task of the intelligent contract of precondition in intelligent contract queue.
7. the dispatching device of intelligence contract according to claim 6, which is characterized in that the reading and scan module are into one
Step is configured to：Intelligent contract is read from block chain, carrying out persistence to intelligent contract and its execution state and implementing result deposits
Storage, and the intelligent contract of persistent storage is scanned with predetermined scan frequency and predetermined sweep time.
8. the dispatching device of intelligence contract according to claim 6, which is characterized in that in the reading and scan module
The state of the intelligent contract of acquisition includes one kind in establishment, progress, in terminating, complete and destroying.
9. the dispatching device of intelligence contract according to claim 8, which is characterized in that described to select and build module into one
Step is configured to：Select state for establishment or ongoing intelligent contract, and the structure of the intelligent contract based on selection intelligent contract team
Row.
10. it is according to claim 6 intelligence contract dispatching device, which is characterized in that it is described traversal and execution module into
One step is configured to：According to the state of the task of intelligent contract, judge whether task meets the precondition, and hold
Row meets the task of the precondition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2017103123242 | 2017-05-05 | ||
| CN201710312324 | 2017-05-05 |
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| CN201710509423.XA Pending CN108804209A (en) | 2017-05-05 | 2017-06-28 | The dispatching method and device of intelligent contract |
| CN201810425889.6A Pending CN108804096A (en) | 2017-05-05 | 2018-05-07 | A kind of task scheduling execution method and apparatus based on intelligent contract |
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| CN109508915A (en) * | 2019-01-17 | 2019-03-22 | 苏州复谷网络科技有限公司 | A kind of intelligent contract of intelligence based on block chain |
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| CN113098983A (en) * | 2021-06-02 | 2021-07-09 | 支付宝(杭州)信息技术有限公司 | Task execution method and device based on intelligent contract |
| CN114153529A (en) * | 2021-05-13 | 2022-03-08 | 北京天德科技有限公司 | Intelligent contract system based on state machine synchronization and control |
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|---|---|---|---|---|
| CN109508915A (en) * | 2019-01-17 | 2019-03-22 | 苏州复谷网络科技有限公司 | A kind of intelligent contract of intelligence based on block chain |
| CN109936570A (en) * | 2019-02-21 | 2019-06-25 | 领信智链(北京)科技有限公司 | A kind of decentralization identifier attribute management system based on ether mill block chain |
| CN109936570B (en) * | 2019-02-21 | 2021-05-28 | 领信智链(北京)科技有限公司 | Decentralized identifier attribute management system based on ether house block chain |
| CN110874741A (en) * | 2019-10-10 | 2020-03-10 | 北京海益同展信息科技有限公司 | Contract management method, block chain system and storage medium |
| CN114153529A (en) * | 2021-05-13 | 2022-03-08 | 北京天德科技有限公司 | Intelligent contract system based on state machine synchronization and control |
| CN113098983A (en) * | 2021-06-02 | 2021-07-09 | 支付宝(杭州)信息技术有限公司 | Task execution method and device based on intelligent contract |
| CN113098983B (en) * | 2021-06-02 | 2021-10-15 | 支付宝(杭州)信息技术有限公司 | Task execution method and device based on intelligent contract |
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|---|---|
| CN108804096A (en) | 2018-11-13 |
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