CN109064325A - A kind of intelligent contract implementation method and device based on block chain - Google Patents
A kind of intelligent contract implementation method and device based on block chain Download PDFInfo
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Abstract
This application discloses a kind of intelligent contract implementation method and device based on block chain, are related to computer field, trade confirmation can be carried out during the realization of intelligent contract, to reach state consistency.The intelligence contract implementation method includes: the mark based on the transaction for driving intelligent contract, determines that the type of the transaction, the type of the transaction include the transaction of first kind duration, the first kind duration trades to execute the transaction that duration is greater than preset value；When the transaction is first kind duration transaction, stateful transaction management is carried out, to realize the decoupling of intelligent the contract cycle of operation and common recognition period.The application is realized for the intelligent contract based on block chain.
Description
Technical field
This application involves field of computer technology more particularly to a kind of intelligent contract implementation methods and dress based on block chain
It sets.
Background technique
Block chain is a kind of a kind of chain type number for being sequentially in time combined into data block in such a way that sequence is connected
According to structure, and the distributed account book that can not be distorted He can not forge guaranteed in a manner of cryptography.
Intelligent contract concept was put forward for the first time in 1994 by Nick Szabo, but before the appearance of block chain technology, due to
Lack believable performing environment, intelligent contract is not widely used.With popularizing for block chain, intelligent contract technology is obtained
Rapid development.Since block chain has the characteristics that decentralization, can not distort and high availability, by intelligent contract with digitized
Form is written in block chain, can ensure the storage to intelligent contract, reading, execute whole process it is transparent it is traceable, can not distort.
The intelligent contract based on block chain in the related technology, drive intelligent contract to execute and to come across a common recognition all
Transaction in phase must know together herein the period time in be finished, in order to which each node in block chain network is to transaction
Implementing result confirmed that and not being performed the transaction finished in the time in period of knowing together herein can then be forced to exit.So
And it is inevitably resulted in a large amount of transaction (for example, thousands of or even tens of thousands of transactions) of short time (such as 15 seconds) interior execution numerous
Transaction can not be finished by compulsory withdrawal, and so as to cause trade confirmation failure, the realization in turn resulting in intelligent contract is obstructed.
Summary of the invention
The embodiment of the present application provides a kind of intelligent contract implementation method and device based on block chain, can be in intelligent contract
Realization during carry out trade confirmation, to reach state consistency.
On the one hand, the embodiment of the present application also provides a kind of intelligent contract implementation method based on block chain, comprising:
Based on the mark for the transaction for driving intelligent contract, the type of the transaction is determined, the type of the transaction includes the
A kind of duration transaction, the first kind duration transaction are greater than the transaction of preset value for execution duration；
When the transaction is first kind duration transaction, stateful transaction management is carried out, to realize intelligent contract operation
The decoupling in period and common recognition period.
Optionally, in one embodiment, described when the transaction is first kind duration transaction, carry out transaction shape
State management, to realize that the decoupling of the intelligent contract cycle of operation and common recognition period include: in the transaction for the first kind duration
When transaction, every the common recognition period, the state of the transaction is obtained；If the state of the transaction is ready state, to institute
It states transaction and is packaged out block operation；If the state of the transaction is not-ready state, forbid playing the transaction
Wrap out block operation.
Optionally, in one embodiment, when the state in the transaction is not-ready state, the non-ready shape
State includes that execution state and suspended state forbid playing the transaction if the state of the transaction is not-ready state
If wrapping out the state that block operation includes: the transaction is suspended state, the state of the transaction is turned from the suspended state
It is changed to execution state；When the state of the transaction is the execution state, the transaction is skipped over.
Optionally, in one embodiment, if the state of the transaction be not-ready state, forbid to it is described trade into
Row is packaged out block operation further include:, will be described if the transaction in the execution state is finished in timeslice
The state of transaction is converted to the ready state from the execution state；If the transaction in the execution state is in institute
It states in timeslice and has not been executed, the state of the transaction is converted into the suspended state from the execution state；If place
Occurs abnormal or time-out in the process of implementation in the transaction of the execution state, by the state of the transaction from the execution
State is converted to rollback state.
Optionally, in one embodiment, when the intelligent contract is by the first kind duration transaction driven, consumption
Growth of the amount of fuel with the intelligent contract operation duration, linear or exponential growth.
Optionally, in one embodiment, the type of the transaction further includes the transaction of the second class duration, when second class
Long transaction is not more than the transaction of the preset value for execution duration.The method also includes: it is second class in the transaction
When duration is traded, the second class duration transaction is executed.
Optionally, in one embodiment, the preset value can be the common recognition period, and the preset value can be
Configurable.
On the other hand, a kind of intelligent contract realization device based on block chain is provided, comprising:
Determining module determines the type of the transaction, the transaction for the mark based on the transaction for driving intelligent contract
Type include the transaction of first kind duration, first kind duration transaction is executes the transaction that duration is greater than preset value；
Management module, for carrying out stateful transaction management when the transaction is first kind duration transaction, to realize
The decoupling of the intelligent contract cycle of operation and common recognition period.
Optionally, in one embodiment, the management module is specifically used for: being the first kind duration in the transaction
When transaction, every the common recognition period, the state of the transaction is obtained；If the state of the transaction is the ready state,
Block operation is packaged out to the transaction；If the state of the transaction is not-ready state, forbid carrying out the transaction
It is packaged out block operation.
Optionally, in one embodiment, the not-ready state includes execution state and suspended state, the management mould
Block is specifically used for: when the state of the transaction is suspended state, the state of the transaction being converted to from the suspended state
Execution state；When the state of the transaction is the execution state, the transaction is skipped over.
Optionally, in one embodiment, the management module is also used to: if being in the friendship of the execution state
It is easily finished in timeslice, the state of the transaction is converted into the ready state from the execution state；If place
It is had not been executed in the timeslice in the transaction of the execution state, by the state of the transaction from the execution shape
State is converted to the suspended state；If the transaction in the execution state occurs abnormal or super in the process of implementation
When, the state of the transaction is converted into rollback state from the execution state.
Optionally, in one embodiment, when the intelligent contract is by the first kind duration transaction driven, consumption
Growth of the amount of fuel with the intelligent contract operation duration, linear or exponential growth.
Optionally, in one embodiment, the type of the transaction further includes the transaction of the second class duration, when second class
To execute the transaction that duration is not more than the preset value, the management module is also used to for long transaction: being described the in the transaction
When two class durations are traded, the second class duration transaction is executed.
Optionally, in one embodiment, the preset value can be the common recognition period, and the preset value is can to match
It sets.
On the other hand, a kind of computer readable storage medium is provided, meter is stored on the computer readable storage medium
The instruction of calculation machine executes any of the above kind of intelligent contract implementation method when described instruction is run.
The embodiment of the present application use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
By classifying to the transaction for driving intelligent contract by mark, it is greater than preset value in the execution duration of the transaction
When, by being managed to the state of the transaction, the decoupling of intelligent the contract cycle of operation and common recognition period are realized, so that occurring
The transaction in the period of knowing together in one no longer needs to be finished within the common recognition period, but can be across multiple common recognition weeks
Phase and execute, so as to trade confirmation be caused to lose due to transaction is by compulsory withdrawal during the realization of intelligent contract
It loses, to reach state consistency.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of flow chart of intelligent contract implementation method based on block chain provided by the embodiments of the present application；
Fig. 2 is a kind of flow chart of intelligent contract implementation method based on block chain provided by the embodiments of the present application；
Fig. 3 is a kind of schematic diagram of stateful transaction variation provided by the embodiments of the present application；
Fig. 4 is a kind of structural block diagram of intelligent contract realization device based on block chain provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Before describing the embodiment of the present invention, first some terms in the application are illustrated.
Block chain: it is a kind of without intermediary's participation, can also be maintained between the participant of mutual mistrust or weak trust a set of
The technology for the account book record that can not be distorted.The distributed system that block chain is made of the node being much in communication with each other.Block chain
System is generally divided into publicly-owned chain, alliance's chain and privately owned chain according to the difference of application scenarios and design system.Each section of publicly-owned chain
Point is the read-write that freely can be added and exit network, and participate in data on chain, mutual with flat topological structure interconnection when operation
It is logical, the service end node of any centralization is not present in network.Intelligence contract implementation method provided by the embodiments of the present application can base
In publicly-owned chain.
The basic conception of block chain may include transaction (Transaction), block (Block) and chain (Chain).Wherein:
Transaction can refer to once-through operation, lead to the primary change of account book state, such as one record of addition；Block is hair in record a period of time
Raw transaction and state outcome is the primary common recognition to current account book state；Chain is by block one by one according to order of occurrence string
Join, is the log recording of entire state change.As soon as if then transaction is attempt to every time using block chain as a state machine
Change a next state, and the block for generation of knowing together every time, it is exactly that participant causes state to change All Activity content in block
The result of change is confirmed.
Node: the terminal (for example, a computer) being connected in block chain network can be considered as one in block chain
A node.
Block chain common recognition mechanism: may include POS (proof of stake, equity prove mechanism), POW (proof of
Work, proof of work), DPOS (Delegate Proof of Stake, share authorisation verification) and PBFT (Practical
Byzantine Fault Tolerance, practical Byzantine failure tolerance).From probability angle, PBFT serial algorithm be it is determining, one
Denier is reached common understanding just irreversible；And POW serial algorithm be then it is uncertain, as time goes by, reversed probability is more next
It is smaller.POW guesses a numerical value (nonce) by calculating repeatedly, so that based on the last one block of block chain, in addition new
Transaction data Hash (hash) after result meet preset condition.Guarantee whithin a period of time, to lack in system
The legal motion of number.These a small amount of legal motions can be broadcasted in a network, and the user received can be based on it after verifying
Continue the block new with this method construct on the most long-chain thought.
Intelligent contract: being that is defined in digital form be capable of the contract of automatic implementation of the provisions, i.e., the content packet of intelligent contract
Program code is included, the automatic execution of agreement terms can be realized by executing the program code.
In this application, the intelligent contract building based on block chain and execution can be divided into following several steps: (1) multi-party users are total
It is same to participate and draw a intelligent contract；(2) intelligent contract passes through reciprocity (peerto peer, P2P) network and spreads and be stored in block
Chain；(3) the intelligent contract of block chain building executes automatically.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
Fig. 1 is a kind of flow chart of intelligent contract implementation method based on block chain provided by the embodiments of the present application.Reference
Fig. 1, the intelligent contract implementation method provided by the embodiments of the present application based on block chain can include:
Step 12, the mark based on the transaction for driving intelligent contract, determine the type of the transaction, the type of the transaction
It trades including first kind duration, the first kind duration transaction is greater than the transaction of preset value for execution duration.
Mark in the embodiment of the present application be used to indicate transaction why seed type.In the embodiment of the present application, transaction can be with
It is divided into the transaction of first kind duration and the transaction of the second class duration.Wherein, the first kind duration transaction is greater than default for execution duration
The transaction of value, the second class duration transaction are not more than the transaction of preset value for execution duration.In other words, first kind duration is traded
It can be, for example, long duration transaction (Long-Range Transaction), the transaction of the second class duration can be, for example, long in short-term hands over
Easily (Short-Range Transaction).The preset value can configure according to actual needs in the embodiment of the present application.
For example, the preset value is 1 millisecond, 5 milliseconds, 10 milliseconds or 100 milliseconds etc..In one embodiment, the preset value can be with
Such as it is set as the duration in a common recognition period.
In the embodiment of the present application, first kind duration transaction can be the transaction for needing to occupy more resource, the second class
Duration transaction can be the less transaction of the resource of occupancy.Resource mentioned herein for example can for cpu resource, memory source and
Internet resources etc..
In the embodiment of the present application, a mark can all be stamped to each transaction for driving intelligent contract, this mark can
Think any form for playing mark action, such as the form for letter of abridging, such as A and B, wherein abbreviation letter A can be indicated
The transaction of first kind duration, abbreviation letter b can indicate that the second class duration is traded；Such as the form of one or more numbers, such as 11
With 22, wherein number 11 can indicate that first kind duration is traded, number 22 can indicate that the second class duration is traded；For another example one is small
The form of section character, such as abc and qwe, wherein abc can indicate that first kind duration is traded, and qwe can indicate the second class duration
Transaction.Mark in the embodiment of the present application can also use other forms, for example, in number, letter and spcial character at least
Two kinds of forms etc. mixed.
It certainly, in the embodiment of the present application, can also be to the type of transaction one default of setting.Due to the initiator couple that trades
The contract of second class duration exchange triggering is estimated can to execute completion than faster, it is possible to hand over the second class duration
Easily it is set as default type.The transaction of default type can be not provided with identifying, so, can be by judging whether transaction is taken
Tape identification come determine transaction be the first kind duration transaction or the second class duration transaction.That is, the transaction for carrying mark is the first kind
Duration transaction, without carrying the transaction of mark as the transaction of the second class duration.Certainly, in the embodiment of the present application, default type
Mark can also be arranged in transaction when needed.
In the embodiment of the present application, the mark of transaction can be preset by the programmer of intelligent contract, in this way, handing over
It can easily determine that the transaction belongs to what type of transaction according to the mark carried in the transaction when executed, in turn
Facilitate carry out subsequent processing.
In the embodiment of the present application, the second class duration transaction can execute within a common recognition period, and can adopt
Accelerated with the method for single machine parallel processing or network fragment.It trades for the second class duration, if being less than the common recognition period
Specified runing time in be not carried out, then this transaction can be marked as Fail Transaction, and can carry out rollback to its state.
In the embodiment of the present application, first kind duration transaction may execute more complicated application logic, to not can guarantee in pole
It is completed in short time (for example, a common recognition period).
Step 14, it is described transaction be the first kind duration transaction when, carry out stateful transaction management, with realize intelligence close
The about decoupling of the cycle of operation and common recognition period.
Stateful transaction in the embodiment of the present application can include: at least one in ready state, suspended state and execution state
Kind.The decoupling of the intelligent contract cycle of operation and common recognition period can indicate that the intelligent contract cycle of operation is no longer dependent on the common recognition period,
That is, intelligent contract can be executed across multiple common recognition periods.
In one embodiment of the application, when the transaction is the second class duration transaction, described the can be performed
The transaction of two class durations.So, by distinguishing to two kinds of transaction, and different disposal is carried out, it is ensured that no
The transaction of same type can be dealt carefully with, to avoid during the realization of intelligent contract trade confirmation fail, to reach
To state consistency.
It is to be understood that each step of the intelligent contract implementation method provided by the embodiments of the present application based on block chain is held
Row main body may each be same equipment (for example, can be any node in block chain network), alternatively, this method can also be by difference
Equipment is as executing subject.For example, the executing subject of step 12 can be equipment 1 (for example, can be one in block chain network
Node), the executing subject of step 14 can be equipment 2 (for example, can be another node in block chain network).
Simultaneously it is to be understood that the intelligent contract implementation method based on block chain in the embodiment of the present application, when implementing,
Determine that the process of operation factor (for example, time, random number and data source) can be consistent with the prior art, while running environment
It can also keep almost the same with the relevant technologies.It is determined as example with the time, entire block chain can be regarded as to a timestamp clothes
Business device, and timestamp when any one block is constructed is obtained, each distributed node can be completely secured in this way and call return
Result all can be consistent.
The embodiment of the present application is by classifying to the transaction for driving intelligent contract by mark, in the execution of the transaction
When length is greater than preset value, by being managed, realizing the intelligent contract cycle of operation and knowing together the period to the state of the transaction
Decoupling, so that the transaction come across in a common recognition period no longer needs to be finished within the common recognition period, but can be with
It is executed across multiple common recognition periods, so as to carry out trade confirmation during the realization of intelligent contract, to reach shape
State consistency.
Optionally, it in one embodiment of the application, trades in step 14 in the transaction for the first kind duration
When, stateful transaction management is carried out, to realize the decoupling of intelligent the contract cycle of operation and common recognition period can include: be in the transaction
When the first kind duration is traded, every the common recognition period, the state of the transaction is obtained；If the state of the transaction is
The ready state is packaged out block operation to transaction execution；If the state of the transaction is not-ready state, forbid
Block operation is packaged out to the transaction.
" being packaged out block operation " mentioned herein can indicate, transaction is packaged into a block and is issued in block chain network
Other nodes execute, to carry out calculated result verifying.In the case where meeting some requirements, if such as more than 2/3rds in the whole network
Node calculated result it is identical, then may determine therefrom that out block node, and the block that block node out goes out is put into block chain.
For the embodiment of the present application when handling the transaction of first kind duration, meeting first obtains the shape of transaction in each common recognition period
State, to determine whether the state of transaction is ready state, only the transaction in ready state, which just will do it, is packaged out block operation,
And the transaction in other states not will do it in the currently common recognition period and be packaged out block operation, and so, block chain network
In each node after having executed the transaction in ready state, trade confirmation is able to carry out, to guarantee state consistency.
In one embodiment of the application, the not-ready state includes execution state and suspended state, if described
The state of transaction is not-ready state, forbids being packaged out the transaction block operation can include: if the shape of the transaction
State is suspended state, and the state of the transaction is converted to execution state from the suspended state；If the state of the transaction
For the execution state, the transaction is skipped over.The embodiment of the present application is when handling the transaction of first kind duration, however, it is determined that trades out
State is suspended state, by the way that suspended state is converted to execution state, can be executed in order to subsequent to the transaction.
Optionally, in one embodiment of the application, for being in the transaction of execution state, it is being in the execution shape
When the transaction of state is finished in timeslice, can by the state of the transaction from the execution state be converted to it is described just
Not-ready status；It, can be by the transaction when the transaction in the execution state has not been executed in the timeslice
State is converted to the suspended state from the execution state；It is being in the transaction of the execution state in the process of implementation
When there is abnormal or time-out, the state of the transaction can be converted to rollback state from the execution state.The embodiment of the present application
Concrete condition is based on to the transaction of processing execution state and carries out state switching, can be better achieved to the transaction of first kind duration
Condition managing.
It, can also be into the embodiment of the present application except through being classified to transaction and being carried out except life cycle management
The management of row fuel (gas).It is thus possible to can be better achieved by the integrated management of this three above in intelligent contract
Realization during carry out trade confirmation, specifically, can in one embodiment of the application to reach state consistency
Paid management is done to the intelligent contract of first kind duration transaction driven, establishes the runing time and rate of fuel consumption of intelligent contract
Corresponding relationship.For example, the amount of the fuel of consumption is with institute when the intelligent contract is by the first kind duration transaction driven
The growth of intelligent contract operation duration is stated, linear growth or exponential growth.It so, can be in economic cost to
The intelligent contract of a kind of duration transaction driven is managed, it is ensured that and no one trades to do evil by first kind duration, such as
The long-term occupancy system resources in computation of malice.
Fig. 2 is a kind of flow chart of intelligent contract implementation method based on block chain provided by the embodiments of the present application.Reference
Fig. 2, the intelligent contract implementation method provided by the embodiments of the present application based on block chain can include:
Step 22, the mark based on the transaction for driving intelligent contract, determine the type of the transaction, the type of the transaction
Including the transaction of first kind duration and the transaction of the second class duration.
Wherein, to execute the transaction that duration is greater than preset value, the second class duration is traded for the first kind duration transaction
To execute the transaction that duration is not more than preset value.
Step 24, it is described transaction be the first kind duration transaction when, every the common recognition period, obtain the transaction
State, whether be ready state with the state of the determination transaction.
Step 26, the transaction state be the ready state when, to the transaction be packaged out block operation.
Step 28, the transaction state be suspended state when, by the state of the transaction from the suspended state turn
It is changed to the execution state.
Step 30, the transaction state be execution state when, based on concrete condition carry out state transition operation.Step
30 can cover following situation:
Step 301, when being finished in timeslice in the transaction of the execution state, by the transaction
State is converted to the ready state from the execution state；
Step 302, when being had not been executed in the timeslice in the transaction of the execution state, will be described
The state of transaction is converted to the suspended state from the execution state；
Step 303, when the transaction in the execution state occurs abnormal or overtime in the process of implementation, by institute
The state for stating transaction is converted to rollback state from the execution state.
Step 32, when the transaction is the second class duration transaction, directly execute the second class duration transaction.
It is to be understood that the related content of each step shown in Fig. 3 can refer to and be described above, details are not described herein.
Stateful switchover process referred to herein can also refer to shown in Fig. 3, as shown in Figure 3, it is assumed that when transaction A is the first kind
Long transaction, transaction A may be at suspended state after accepting.In common recognition cycle T 1, the transaction A in suspended state can be scheduled
It executes, to be converted into execution state from suspended state.If transaction A has not yet been executed back in timeslice in common recognition cycle T 1
To suspended state, and standby executed again in next common recognition cycle T 2.In common recognition cycle T 2, if transaction A is executed in timeslice
It is complete, then it is converted into ready state from execution state, if occur abnormal or time-out in the process of implementation, from the conversion of the state of execution
For rollback state.In n-th common recognition period Tn, wherein N is greater than 2, if transaction A has been in ready state, beats transaction A
Wrap out block operation.It is to be understood that schematic diagram shown in Fig. 3 is a kind of the schematically illustrate of condition managing, and it is not meant to be limitation.
Intelligent contract implementation method provided by the embodiments of the present application based on block chain classifies to transaction by mark
Processing, and the life cycle management to the transaction of first kind duration is realized by condition managing, it is ensured that different types of friendship
Can easily be dealt carefully with, to avoid during the realization of intelligent contract trade confirmation fail, while can guarantee first
The transaction of class duration can be executed across multiple common recognition periods, so as to carry out trading during the realization of intelligent contract really
Recognize, to reach state consistency.
Simultaneously need to understand, in the embodiment of the present application except through classified to transaction and carried out life cycle management it
Outside, the management of fuel (gas) can also be carried out.It is thus possible to can be better achieved by the integrated management of this three above
Trade confirmation is carried out during the realization of intelligent contract, to reach state consistency, specifically, in the reality of the application
It applies in example, paid management can be done to the intelligent contract of first kind duration transaction driven, establish the runing time and combustion of intelligent contract
Expect the corresponding relationship of quantity consumed.For example, when the intelligent contract is by the first kind duration transaction driven, the fuel of consumption
Amount with the intelligent contract operation duration growth, it is linear to increase or exponential growth.It so, can be in economy
The intelligent contract of first kind duration transaction driven is managed in cost, it is ensured that no one by first kind duration trade come
It does evil, such as the long-term occupancy system resources in computation of malice.
Fig. 4 is a kind of structural block diagram of intelligent contract realization device based on block chain provided by the embodiments of the present application.Ginseng
According to Fig. 4, the intelligent contract realization device 40 provided by the embodiments of the present application based on block chain can include: determining module 41 and management
Module 42.Wherein:
Determining module 41 determines the type of the transaction, the friendship for the mark based on the transaction for driving intelligent contract
Easy type includes the transaction of first kind duration, and the first kind duration transaction is greater than the transaction of preset value for execution duration；
Management module 42, for stateful transaction management being carried out, with reality when the transaction is first kind duration transaction
The now decoupling of intelligent the contract cycle of operation and common recognition period.
Optionally, in one embodiment, the management module 42 is specifically used for: when the transaction is the first kind
When long transaction, every the common recognition period, the state of the transaction is obtained；If the state of the transaction is ready state, right
The transaction is packaged out block operation；If the state of the transaction is not-ready state, forbid carrying out the transaction
It is packaged out block operation.
Optionally, in one embodiment, the not-ready state includes execution state and suspended state, the management mould
Block 42 is specifically used for: if the state of the transaction is suspended state, the state of the transaction being converted from the suspended state
To execute state；If the state of the transaction is the execution state, the transaction is skipped over；.
Optionally, in one embodiment, the management module 42 is also used to: if described in the execution state
Transaction is finished in timeslice, and the state of the transaction is converted to the ready state from the execution state；If
The transaction in the execution state has not been executed in the timeslice, by the state of the transaction from the execution
State is converted to the suspended state；If the transaction in the execution state occurs abnormal or super in the process of implementation
When, the state of the transaction is converted into rollback state from the execution state.
Optionally, in one embodiment, when the intelligent contract is by the first kind duration transaction driven, consumption
Growth of the amount of fuel with the intelligent contract operation duration, linear or exponential growth.
Optionally, in one embodiment, the type of the transaction further includes the transaction of the second class duration, when second class
To execute the transaction that duration is not more than the preset value, the management module 42 is also used to for long transaction: being described in the transaction
When second class duration is traded, the second class duration transaction is executed.
Optionally, in one embodiment, the preset value can be the common recognition period, and the preset value is can to match
It sets.
Intelligent contract realization device provided by the embodiments of the present application based on block chain passes through the friendship to intelligent contract is driven
Easily classify by mark, when the execution duration of the transaction is greater than preset value, by carrying out pipe to the state of the transaction
Reason realizes the decoupling of intelligent the contract cycle of operation and common recognition period, so that the transaction come across in a common recognition period no longer needs
It to be finished, but can be executed across multiple common recognition periods within the common recognition period, so as in intelligent contract
Realization during carry out trade confirmation, to reach state consistency.
In addition, the embodiment of the present application can provide a kind of computer readable storage medium, the computer readable storage medium
On be stored with computer instruction, when described instruction is run, execute any of the above kind of intelligent contract implementation method.
Computer readable storage medium provided by the embodiments of the present application, by drive the transaction of intelligent contract by identify into
Row classification, by being managed to the state of the transaction, realizes intelligence when the execution duration of the transaction is greater than preset value
The decoupling of the contract cycle of operation and common recognition period, so that the transaction come across in a common recognition period is no longer needed in the common recognition
It is finished, but can be executed across multiple common recognition periods in period, so as to during the realization of intelligent contract
Trade confirmation is carried out, to reach state consistency.
In addition, a kind of block chain node can also be provided in the embodiment of the present application, the block chain node for example can be computer
Or server, and may include storage medium and processor.Wherein, the storage medium is suitable for storing a plurality of instruction；The processing
Device is adapted for carrying out the various instructions stored on storage medium.When the instruction stored on the storage medium is run by processor
Any intelligent contract implementation method based on block chain as described above can be achieved.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, apparatus or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitorymedia), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (15)
1. a kind of intelligent contract implementation method based on block chain characterized by comprising
Based on the mark for the transaction for driving intelligent contract, determine that the type of the transaction, the type of the transaction include the first kind
Duration transaction, the first kind duration transaction are greater than the transaction of preset value for execution duration；
If the transaction is that the first kind duration is traded, stateful transaction management is carried out, to realize the intelligent contract cycle of operation
With the decoupling in common recognition period.
2. intelligence contract implementation method according to claim 1, which is characterized in that described in the transaction is described first
When class duration is traded, stateful transaction management is carried out, the decoupling with the realization intelligent contract cycle of operation and common recognition period includes:
When the transaction is first kind duration transaction, every the common recognition period, the state of the transaction is obtained；
If the state of the transaction is ready state, block operation is packaged out to the transaction；
If the state of the transaction is not-ready state, forbid being packaged out the transaction block operation.
3. intelligence contract implementation method according to claim 2, which is characterized in that the not-ready state includes executing shape
State and suspended state forbid being packaged out the transaction block operation packet if the state of the transaction is not-ready state
It includes:
If the state of the transaction is suspended state, the state of the transaction is converted into execution shape from the suspended state
State；
If the state of the transaction is the execution state, the transaction is skipped over.
4. intelligence contract implementation method according to claim 3, which is characterized in that if the state of the transaction is non-
Not-ready status forbids being packaged out the transaction block operation further include:
If the transaction in the execution state is finished in timeslice, the state of the transaction is held from described
Row state is converted to the ready state；
If had not been executed in the timeslice in the transaction of the execution state, by the state of the transaction from
The execution state is converted to the suspended state；
If there is abnormal or time-out in the process of implementation in the transaction in the execution state, by the state of the transaction
Rollback state is converted to from the execution state.
5. intelligence contract implementation method according to claim 1 to 4, which is characterized in that
When the intelligent contract is by the first kind duration transaction driven, the amount of the fuel of consumption is with the intelligent contract fortune
The growth of row duration, linear or exponential growth.
6. intelligence contract implementation method according to claim 1, which is characterized in that the type of the transaction further includes second
The transaction of class duration, the second class duration transaction are not more than the transaction of the preset value for execution duration,
The method also includes:
If the transaction is that the second class duration is traded, the second class duration transaction is executed.
7. intelligence contract implementation method according to claim 1, which is characterized in that the preset value is the common recognition week
Phase, and the preset value is configurable.
8. a kind of intelligent contract realization device based on block chain characterized by comprising
Determining module determines the type of the transaction, the class of the transaction for the mark based on the transaction for driving intelligent contract
Type includes the transaction of first kind duration, and the first kind duration transaction is greater than the transaction of preset value for execution duration；
Management module carries out stateful transaction management, if being that the first kind duration is traded for the transaction to realize intelligence
The decoupling of the contract cycle of operation and common recognition period.
9. intelligence contract realization device according to claim 8, which is characterized in that the management module is specifically used for:
When the transaction is first kind duration transaction, every the common recognition period, the state of the transaction is obtained；
If the state of the transaction is the ready state, block operation is packaged out to the transaction；
If the state of the transaction is not-ready state, forbid being packaged out the transaction block operation.
10. intelligence contract realization device according to claim 9, which is characterized in that the not-ready state includes executing
State and suspended state, the management module are specifically used for:
When the state of the transaction is suspended state, the state of the transaction is converted into execution shape from the suspended state
State；
If the state of the transaction is the execution state, the transaction is skipped over.
11. intelligence contract realization device according to claim 10, which is characterized in that the management module is also used to:
If the transaction in the execution state is finished in timeslice, the state of the transaction is held from described
Row state is converted to the ready state；
If had not been executed in the timeslice in the transaction of the execution state, by the state of the transaction from
The execution state is converted to the suspended state；
If there is abnormal or time-out in the process of implementation in the transaction in the execution state, by the state of the transaction
Rollback state is converted to from the execution state.
12. according to any intelligent contract realization device of claim 8-11, which is characterized in that
When the intelligent contract is by the first kind duration transaction driven, the amount of the fuel of consumption is with the intelligent contract fortune
The growth of row duration, linear or exponential growth.
13. intelligence contract realization device according to claim 8, which is characterized in that the type of the transaction further includes the
The transaction of two class durations, the second class duration transaction are not more than the transaction of the preset value for execution duration,
The management module is also used to:
If the transaction is that the second class duration is traded, the second class duration transaction is executed.
14. intelligence contract realization device according to claim 8, which is characterized in that the preset value is the common recognition week
Phase, and the preset value is configurable.
15. a kind of computer readable storage medium, it is stored with computer instruction on the computer readable storage medium, when described
When instruction is run, -7 any intelligent contract implementation method according to claim 1 is executed.
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