CN108881312A - Intelligent contract upgrade method, system and relevant device and storage medium - Google Patents
Intelligent contract upgrade method, system and relevant device and storage medium Download PDFInfo
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Abstract
The invention discloses a kind of intelligent contract upgrade method, system and relevant device and storage mediums, are related to block chain technical field.Intelligent contract upgrade method includes：Block chain node sends upgrade request to intelligent contract publishing center；Block chain node receives the upgrading response including encryption data that intelligent contract publishing center returns, wherein encryption data includes the intelligent contract data of target version；Block chain node verifies the data in upgrading response；In response to being verified, block chain node is upgraded using the intelligent contract data of target version.Embodiment through the invention, block chain node can pass through the intelligent contract data to intelligent contract publishing center transmission upgrade request acquisition target version and be verified, be upgraded, so as to realize intelligent contract safety, automatic updating, improve the efficiency and safety of the upgrading of intelligent contract.
Description
Technical field
The present invention relates to block chain technical field, in particular to a kind of intelligent contract upgrade method, system and relevant device
And storage medium.
Background technique
Since block chain itself has the characteristics that anti-tamper and traceable, block chain technology is increasingly being applied to count
According in storage.Intelligent contract is a kind of executable code for being stored in block chain node, which specifies intelligent contract
Implementation procedure and processing logic, such as input, output, intermediate conversion logic etc..Inventor has found after analyzing, with intelligence
The optimization of the processing logic of energy contract, inevitably needs to upgrade intelligent contract in use.Currently, main
The upgrading of intelligent contract is carried out by the way of manually upgrading.
Summary of the invention
Inventor it is found after analysis that, the upgrading of intelligent contract is directed not only to the upgrading of a block chain local node,
And it is related to the unified escalation process of all block chain nodes in system, therefore the workload upgraded is very big.Also, upgraded
It may relate to the operation such as human intervention in journey.Therefore, the mode efficiency manually upgraded is lower, safety is poor.
One technical problem to be solved by the embodiment of the invention is that：How the efficiency and safety of intelligent contract upgrading are improved
Property.
First aspect according to some embodiments of the invention provides a kind of intelligent contract upgrade method, including：Block chain
Node sends upgrade request to intelligent contract publishing center；What block chain node received intelligent contract publishing center return includes adding
The upgrading response of ciphertext data, wherein encryption data includes the intelligent contract data of target version；Block chain node is to upgrading response
In data verified；In response to being verified, block chain node is upgraded using the intelligent contract data of target version.
In some embodiments, the version information of the current intelligent contract in upgrade request including block chain node, upgrading
Response is that intelligent contract publishing center is returned in response to the version of current intelligent contract lower than target version.
In some embodiments, the timing of block chain node sends upgrade request to intelligent contract publishing center.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract；Block chain node uses
The corresponding public key of intelligent contract verifies the data in upgrading response.
In some embodiments, encryption data includes closing to the intelligent contract data of target version, the intelligence of target version
About the summary info of data carries out encrypted data, and upgrading response further includes the signature of encryption data；Block chain node is to liter
Data in grade response carry out verifying：Block chain node uses the corresponding public key pair of current intelligence contract of block chain node
Signature in upgrading response is verified；In response to being verified to signature, block chain node encrypts number using public key decryptions
According to obtaining intelligent contract data, the first summary info of target version；Block chain node calculates the intelligence of the target version obtained
Second summary info of contract data；Consistent in response to the first summary info and the second summary info, the judgement of block chain node is tested
Card passes through.
In some embodiments, intelligent contract upgrade method further includes：Upgrade information is stored in block by block chain node
In chain, wherein upgrade information includes the version information of the intelligent contract after the upgrading of block chain node.
In some embodiments, intelligent contract upgrade method further includes：It is newest in block chain node read area block chain
Upgrade information, wherein upgrade information includes the version information of intelligent contract, so that block chain node is in the current of block chain node
In the case that the version of intelligent contract is less than the version information in upgrade information, upgrading is sent to intelligent contract publishing center and is asked
It asks.
The second aspect according to some embodiments of the invention provides a kind of intelligent contract upgrade method, including：Intelligence is closed
About publishing center receives the upgrade request that block chain link point is sent；Intelligent contract publishing center generates the upgrading including encryption data
Response, wherein encryption data includes the intelligent contract data of target version；Intelligent contract publishing center is returned to block chain node
Upgrading response including encryption data, so that block chain node verifies the data in upgrading response, and in response to verifying
Pass through, is upgraded using the intelligent contract data of target version.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract, so as to block chain node
The data in upgrading response are verified using intelligent contract corresponding public key.
In some embodiments, intelligent contract publishing center generation includes that the upgrading response of encryption data includes：Intelligence is closed
The about target version of the intelligent contract of publishing center inquiry；Intelligent contract publishing center is using the corresponding private key of intelligent contract to target
The intelligent contract data of version, the summary info of the intelligent contract data of target version are encrypted, and encryption data is generated；Intelligence
Contract publishing center is signed using the corresponding private key pair encryption data of intelligent contract；Intelligent contract publishing center generates
The upgrading response of encryption data and signature.
In terms of third according to some embodiments of the invention, a kind of block chain node is provided, including：Upgrade request is sent
Module is configured as sending upgrade request to intelligent contract publishing center；Upgrade response receiving module, is configured as receiving intelligence
The upgrading response including encryption data that contract publishing center returns, wherein encryption data includes the intelligent contract of target version
Data；Data Verification module is configured as verifying the data in upgrading response；Upgraded module is configured to respond to
It is verified, is upgraded using the intelligent contract data of target version.
In some embodiments, the version information of the current intelligent contract in upgrade request including block chain node, upgrading
Response is that intelligent contract publishing center is returned in response to the version of current intelligent contract lower than target version.
In some embodiments, upgrade request sending module is configured to timing to intelligent contract publishing center hair
Send upgrade request.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract；Data Verification module into
One step is configured as verifying the data in upgrading response using the corresponding public key of intelligent contract.
In some embodiments, encryption data includes closing to the intelligent contract data of target version, the intelligence of target version
About the summary info of data carries out encrypted data, and upgrading response further includes the signature of encryption data；Data Verification module into
One step is configured as verifying the signature in upgrading response using the corresponding public key of current intelligence contract of block chain node；
In response to being verified to signature, using public key decryptions encryption data, obtains the intelligent contract data of target version, first plucks
Want information；Calculate the second summary info of the intelligent contract data of the target version obtained；In response to the first summary info and
Two summary infos are consistent, and judgement is verified.
In some embodiments, block chain node further includes：Information storage module is configured as upgrade information being stored in
In block chain, wherein upgrade information includes the version information of the intelligent contract after the upgrading of block chain node.
In some embodiments, block chain node further includes：Information reading module is configured as reading in block chain most
New upgrade information, wherein upgrade information includes the version information of intelligent contract；Upgrade request sending module is further configured
It is block chain node in the case where the version of the current intelligent contract of block chain node is less than the version information in upgrade information,
Upgrade request is sent to intelligent contract publishing center.
The 4th aspect according to some embodiments of the invention provides a kind of intelligent contract publishing center, including：Upgrading is asked
Receiving module is sought, is configured as receiving the upgrade request that block chain link point is sent；Upgrade response generation module, is configurable to generate
Upgrading response including encryption data, wherein encryption data includes the intelligent contract data of target version；Upgrade response and returns to mould
Block is configured as returning to the upgrading response including encryption data to block chain node, so that block chain node is in upgrading response
Data verified, and in response to being verified, upgraded using the intelligent contract data of target version.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract, so as to block chain node
The data in upgrading response are verified using intelligent contract corresponding public key.
In some embodiments, upgrading response generation module is configured to inquire the target version of intelligent contract；
Believed using abstract of the corresponding private key of intelligent contract to the intelligent contract data of target version, the intelligent contract data of target version
Breath is encrypted, and encryption data is generated；It is signed using the corresponding private key pair encryption data of intelligent contract；Generating includes encryption
The upgrading response of data and signature.
The 5th aspect according to some embodiments of the invention provides a kind of intelligent contract upgrade-system, including：Aforementioned
It anticipates a kind of block chain node；And any one aforementioned intelligent contract publishing center.
The 6th aspect according to some embodiments of the invention, provides a kind of block chain node, including：Memory；And
It is coupled to the processor of the memory, processor is configured as the instruction based on storage in the memory, executes aforementioned
Any one intelligent contract upgrade method.
The 7th aspect according to some embodiments of the invention provides a kind of intelligent contract publishing center, including：Storage
Device；And it is coupled to the processor of the memory, processor is configured as the instruction based on storage in the memory, holds
Any one aforementioned intelligent contract upgrade method of row.
The 8th aspect according to some embodiments of the invention, provides a kind of computer readable storage medium, stores thereon
There is computer program, wherein the program realizes any one aforementioned intelligent contract upgrade method when being executed by processor.
Some embodiments in foregoing invention have the following advantages that or beneficial effect：Embodiment through the invention, block
Chain node can be by sending the intelligent contract data of upgrade request acquisition target version to intelligent contract publishing center and carrying out
Verifying, upgrading, so as to realize intelligent contract safety, automatic updating, improve the upgrading of intelligent contract efficiency and
Safety.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the flow diagram according to the intelligent contract upgrade method of some embodiments of the invention.
Fig. 2 is the flow diagram according to the intelligent contract data feedback method of some embodiments of the invention.
Fig. 3 is the flow diagram according to the intelligent contract upgrade method of other embodiments of the invention.
Fig. 4 is the flow diagram according to the upgrade information storage method of some embodiments of the invention.
Fig. 5 is the structural schematic diagram according to the block chain node of some embodiments of the invention.
Fig. 6 is the structural schematic diagram according to the intelligent contract publishing center of some embodiments of the invention.
Fig. 7 is the structural schematic diagram according to the intelligent contract upgrade-system of some embodiments of the invention.
Fig. 8 is the exemplary block diagram according to the intelligent contract update device of other embodiments of the invention.
Fig. 9 is the exemplary block diagram according to the intelligent contract update device of yet other embodiments of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the flow diagram according to the intelligent contract upgrade method of some embodiments of the invention.As shown in Figure 1, should
The intelligent contract upgrade method of embodiment includes step S102~S110.
In step s 102, block chain node sends upgrade request to intelligent contract publishing center.
Intelligent contract publishing center is the equipment or cluster for issuing the intelligent contract of target version.Target version is area
Block chain node thinks the version of intelligent contract to be achieved after the upgrading of intelligent contract, such as can be newest version or ratio
Current version is higher by the latest edition etc. in the version or main upgraded version of predetermined level.In some embodiments, area
Block chain node can according to need, and first passes through configuration interface in advance and configures to target version；In some embodiments, it is also possible to
Default objects version is latest edition.
In some embodiments, upgrade request may include block chain nodal information, intelligent contract information, request in mark
It is one or more.Block chain nodal information can be for example mark, operation system information, the server letter of block chain node
Breath, configuration surroundings information etc..Intelligent contract information can for example be believed for the title of intelligent contract, the current version of intelligent contract
Breath etc..To which intelligent contract publishing center can choose when returning to the intelligent contract of target version and meet block chain node
Environment, configuration target version intelligent contract.
As needed, upgrade request can use public key encryption.In some embodiments, it can be distributed for block chain node
Public key, intelligent contract publishing center retain private key, to be encrypted during data are transmitted.Key for example can be with
It is to be configured when installing intelligent contract for the first time, those skilled in the art can also obtain key using other modes, here not
It repeats again.
In step S104, intelligent contract publishing center generates the upgrading response including encryption data, wherein encryption data
Intelligent contract data including target version.Intelligent contract data includes the code of intelligent contract, can also include issuing time,
The description informations such as publisher.
In some embodiments, upgrade response other than including the intelligent contract data of target version, can also include
From the request mark obtained in upgrade request, the version number of intelligent contract data etc. in upgrading response.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract.
In step s 106, the upgrading including encryption data that block chain node receives that intelligent contract publishing center returns is answered
It answers.
In step S108, block chain node verifies the data in upgrading response.For example, block chain node can be with
It whether is to be issued, whether be tampered by intelligent contract publishing center using the received data of the corresponding public key verifications of intelligent contract
Etc..It is thus possible to improve safety.
In step s 110, in response to being verified, block chain node is carried out using the intelligent contract data of target version
Upgrading.For example, original code can be replaced with to the code of target version and re-start load.
Method through the foregoing embodiment, block chain node can be by sending upgrade request to intelligent contract publishing center
Obtain target version intelligent contract data simultaneously verified, upgraded, so as to realize intelligent contract safety, automation
Upgrading improves the efficiency and safety of intelligent contract upgrading.
In some embodiments, block chain node does not know whether currently used intelligent contract is target version.Cause
This, block chain node can send current intelligent contract version information, intelligent contract publishing center to intelligent contract publishing center
Intelligent contract data is only returned when there is currently the intelligent contract of more highest version.Present invention intelligence is described below with reference to Fig. 2 to close
The about embodiment of data feedback method.
Fig. 2 is the flow diagram according to the intelligent contract data feedback method of some embodiments of the invention.Such as Fig. 2 institute
Show, the intelligent contract data feedback method of the embodiment includes step S202~S204.
In step S202, block chain node sends upgrade request to intelligent contract publishing center, wherein in upgrade request
The version information of current intelligent contract including block chain node.
In some embodiments, block chain node periodically can send upgrade request to intelligent contract publishing center.
In step S204, intelligent contract publishing center is lower than in response to the version of the current intelligent contract of block chain node
Target version returns to the intelligent contract data of the target version of encryption to block chain node.
In some embodiments, if the version of the current intelligent contract of block chain node has been target version, intelligence
Energy contract publishing center can return to the upgrading response including the information without upgrading, or not response.
It is thus possible to realize that the automation of intelligent contract updates, update efficiency is improved.
In order to further increase the safety of intelligent contract escalation process, intelligent contract publishing center can be in upgrading response
In enclose signature, so that block chain link point is verified.The implementation of the intelligent contract upgrade method of the present invention is described below with reference to Fig. 3
Example.
Fig. 3 is the flow diagram according to the intelligent contract upgrade method of other embodiments of the invention.As shown in figure 3,
The intelligent contract upgrade method of the embodiment includes step S302~S324.
In step s 302, block chain node sends the upgrade request of public key encryption to intelligent contract publishing center.
In step s 304, intelligent contract publishing center is decrypted the data in upgrade request using private key.
In step S306, intelligent contract publishing center inquires the target version of intelligent contract.
In step S308, intelligent contract publishing center generates summary info according to the intelligent contract data of target version.
In step s310, intelligent contract publishing center closes the intelligence of target version using the corresponding private key of intelligent contract
About data, the intelligent contract data of target version summary info encrypted, generate encryption data.
In some embodiments, summary info is the MD5 (Message-Digest of the intelligent contract data of target version
Algorithm 5, Message Digest Algorithm 5) value.As needed, summary info can also be calculated using other algorithms, this
In repeat no more.
In step S312, intelligent contract publishing center is signed using the corresponding private key pair encryption data of intelligent contract
Name.
In some embodiments, SHA (Security Hash Algorithm, Secure Hash Algorithm) calculating can be used
The cryptographic Hash of encryption data is encrypted using the cryptographic Hash of private key pair encryption data, generates signature.
In step S314, intelligent contract publishing center returns to upgrading response to block chain node, wherein upgrading response bag
Include encryption data and signature.
In step S316, block chain node answers upgrading using the corresponding public key of current intelligence contract of block chain node
Signature in answering is verified.
In some embodiments, block chain node can first calculate the cryptographic Hash of the encryption data in upgrading response, obtain
First cryptographic Hash；Then the signature in upgrading response is decrypted using intelligent contract corresponding public key, obtains the second cryptographic Hash.It rings
Should be consistent with the second cryptographic Hash in the first cryptographic Hash, illustrate that upgrade response is that intelligent contract publishing center issues really, block chain
Node determines that signature verification passes through, and otherwise signature verification does not pass through.
In step S318, in response to being verified to signature, block chain node is using the corresponding public key of intelligent contract
Encryption data is decrypted, intelligent contract data, the first summary info of target version are obtained.
In step s 320, block chain node calculates the second abstract letter of the intelligent contract data of the target version obtained
Breath.When calculating the second summary info, the digest calculations method of use uses block chain node with intelligent contract publishing center
Digest calculations method is consistent.
It is consistent in response to the first summary info and the second summary info in step S322, the judgement verifying of block chain node
Pass through.Whether the verifying is tampered for inspection data.
In step S324, in response to being verified, block chain node is carried out using the intelligent contract data of target version
Upgrading.
Method through the foregoing embodiment can verify the authenticity and integrity of intelligent contract data, realize intelligence
The safety upgrade of contract.
In some embodiments, upgrade case can also be stored in block chain by block chain node, for other block chains
Node reference.The embodiment of upgrade information storage method of the present invention is described below with reference to Fig. 4.
Fig. 4 is the flow diagram according to the upgrade information storage method of some embodiments of the invention.As shown in figure 4, should
The upgrade information storage method of embodiment includes step S402~S404.
In step S402, the first block chain node is upgraded using the intelligent contract data of target version.
In step s 404, upgrade information is stored in block chain by the first block chain node.
In some embodiments, upgrade information includes the version letter of the intelligent contract after the upgrading of the first block chain node
Breath.
After block chain is updated, other block chain nodes in system will know that current target version, thus
It can according to need initiation to update.For example, the embodiment can also include step S406~S408.
Newest upgrade information in step S406, in the second block chain node read area block chain, wherein upgrade information
Version information including intelligent contract.
In step S408, the second block chain node is less than upgrading letter in the version of the current intelligent contract of block chain node
In the case where version information in breath, upgrade request is sent to intelligent contract publishing center.
In some embodiments, the upgrade information stored in block chain can also include that the environment of the first block chain node is matched
Confidence breath, operating condition etc..If carry out the operation of the block chain link point discovery of intelligent contract upgrading is smooth, version have it is scarce
It falls into and waits operation problems, can also be recorded in block chain.Other block chain nodes can according to need decision after reading
Whether update.
The embodiment of block chain node of the present invention is described below with reference to Fig. 5.
Fig. 5 is the structural schematic diagram according to the block chain node of some embodiments of the invention.As shown in figure 5, the embodiment
Block chain node 500 include：Upgrade request sending module 510 is configured as sending to upgrade to intelligent contract publishing center asking
It asks；Upgrade response receiving module 520, the upgrading including encryption data for being configured as receiving intelligent contract publishing center return is answered
It answers, wherein encryption data includes the intelligent contract data of target version；Data Verification module 530 is configured as to upgrading response
In data verified；Upgraded module 540 is configured to respond to be verified, using the intelligent contract number of target version
According to being upgraded.
In some embodiments, the version information of the current intelligent contract in upgrade request including block chain node, upgrading
Response is that intelligent contract publishing center is returned in response to the version of current intelligent contract lower than target version.
In some embodiments, upgrade request sending module 510 is configured to timing into the publication of intelligent contract
The heart sends upgrade request.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract；Data Verification module into
One step is configured as verifying the data in upgrading response using the corresponding public key of intelligent contract.
In some embodiments, encryption data includes closing to the intelligent contract data of target version, the intelligence of target version
About the summary info of data carries out encrypted data, and upgrading response further includes the signature of encryption data；Data Verification module 530
It is configured to test the signature in upgrading response using the corresponding public key of current intelligence contract of block chain node
Card；In response to being verified to signature, using public key decryptions encryption data, obtain target version intelligent contract data,
One summary info；Calculate the second summary info of the intelligent contract data of the target version obtained；In response to the first summary info
Consistent with the second summary info, judgement is verified.
In some embodiments, block chain node 500 further includes：Information storage module 550 is configured as upgrade information
It is stored in block chain, wherein upgrade information includes the version information of the intelligent contract after the upgrading of block chain node.
In some embodiments, block chain node 500 further includes：Information reading module 560 is configured as reading block chain
In newest upgrade information, wherein upgrade information includes the version information of intelligent contract；Upgrade request sending module 510 into
One step is configured as the version letter that block chain node is less than in upgrade information in the version of the current intelligent contract of block chain node
In the case where breath, upgrade request is sent to intelligent contract publishing center.
The embodiment of the intelligent contract publishing center of the present invention is described below with reference to Fig. 6.
Fig. 6 is the structural schematic diagram according to the intelligent contract publishing center of some embodiments of the invention.As shown in fig. 6, should
The intelligent contract publishing center 600 of embodiment includes：Upgrade request receiving module 610 is configured as receiving block chain link point hair
The upgrade request sent；Upgrade response generation module 620, be configurable to generate the upgrading response including encryption data, wherein encryption
Data include the intelligent contract data of target version；Upgrade response return module 630, is configured as returning to block chain node and wrap
The upgrading response of encryption data is included, so that block chain node verifies the data in upgrading response, and it is logical in response to verifying
It crosses, is upgraded using the intelligent contract data of target version.
In some embodiments, encryption data is using the corresponding private key encryption of intelligent contract, so as to block chain node
The data in upgrading response are verified using intelligent contract corresponding public key.
In some embodiments, upgrading response generation module 620 is configured to inquire the target version of intelligent contract
This；The intelligent contract data of target version, the intelligent contract data of target version are plucked using intelligent contract corresponding private key
It wants information to be encrypted, generates encryption data；It is signed using the corresponding private key pair encryption data of intelligent contract；Generation includes
The upgrading response of encryption data and signature.
The embodiment of the intelligent contract upgrade-system of the present invention is described below with reference to Fig. 7.
Fig. 7 is the structural schematic diagram according to the intelligent contract upgrade-system of some embodiments of the invention.As shown in fig. 7, should
The intelligent contract upgrade-system 70 of embodiment includes block chain node 710 and intelligent contract publishing center 720.Block chain node
710 specific embodiment can with reference to the block chain node 500 in Fig. 5 embodiment, intelligent contract publishing center 720 it is specific
Embodiment can be with reference to the intelligent contract publishing center 600 in Fig. 6 embodiment.Block chain node 710 can have one or more
It is a, one is exemplarily only shown in Fig. 7.
Fig. 8 is according to the exemplary block diagram of the intelligent contract update device of other embodiments of the invention, intelligent contract
Update device can be block chain node or intelligent contract publishing center.As shown in figure 8, the intelligent contract of the embodiment upgrades
Device 80 includes：Memory 810 and the processor 820 for being coupled to the memory 810, processor 820 are configured as being based on depositing
The instruction in memory 810 is stored up, the intelligent contract upgrade method in any one aforementioned embodiment is executed.
Wherein, memory 810 is such as may include system storage, fixed non-volatile memory medium.System storage
Device is for example stored with operating system, application program, Boot loader (Boot Loader) and other programs etc..
Fig. 9 is according to the exemplary block diagram of the intelligent contract update device of yet other embodiments of the invention, intelligent contract
Update device can be block chain node or intelligent contract publishing center.As shown in figure 9, the intelligent contract of the embodiment upgrades
Device 90 includes：Memory 910 and processor 920 can also include input/output interface 930, network interface 940, storage
Interface 950 etc..Bus 960 can for example be passed through between these interfaces 930,940,950 and memory 910 and processor 920
Connection.Wherein, input/output interface 930 is display, the input-output equipment such as mouse, keyboard, touch screen provide connecting interface.
Network interface 940 provides connecting interface for various networked devices.The external storages such as memory interface 950 is SD card, USB flash disk provide
Connecting interface.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, special
Sign is that the program realizes any one aforementioned intelligent contract upgrade method when being executed by processor.
Those skilled in the art should be understood that the embodiment of the present invention can provide as method, system or computer journey
Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the present invention
The form of embodiment.Moreover, it wherein includes the calculating of computer usable program code that the present invention, which can be used in one or more,
Machine can use the meter implemented in non-transient storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of calculation machine program 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 is interpreted as to be realized by computer program instructions each in flowchart and/or the block diagram
The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computer journeys
Sequence instruct to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor with
A machine is generated, so that the instruction generation executed by computer or the processor of other programmable data processing devices is used for
Realize the dress for the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
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.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (24)
1. a kind of intelligence contract upgrade method, including：
Block chain node sends upgrade request to intelligent contract publishing center；
Block chain node receives the upgrading response including encryption data that intelligent contract publishing center returns, wherein the encryption
Data include the intelligent contract data of target version；
Block chain node verifies the data in the upgrading response；
In response to being verified, block chain node is upgraded using the intelligent contract data of the target version.
2. intelligence contract upgrade method according to claim 1, wherein include the block chain link in the upgrade request
The version information of the current intelligent contract of point, the upgrading response are that intelligent contract publishing center is closed in response to the current intelligence
Version about is returned lower than target version.
3. intelligence contract upgrade method according to claim 1 or 2, wherein the node timing of block chain is sent out to intelligent contract
Cloth center sends upgrade request.
4. intelligence contract upgrade method according to claim 1, wherein the encryption data is corresponding using intelligent contract
Private key encryption；
Block chain node verifies the data in the upgrading response using the corresponding public key of the intelligence contract.
5. intelligence contract upgrade method according to claim 4, wherein the encryption data includes the intelligence to target version
Energy contract data, the encrypted data of summary info progress of the intelligent contract data of the target version, the upgrading response
It further include the signature of the encryption data；
The block chain node carries out verifying to the data in the upgrading response：
Block chain node using the block chain node the corresponding public key of current intelligent contract to the signature in upgrading response into
Row verifying；
In response to being verified to the signature, block chain node obtains mesh using encryption data described in the public key decryptions
Mark intelligent contract data, the first summary info of version；
Block chain node calculates the second summary info of the intelligent contract data of the target version obtained；
Consistent in response to the first summary info and the second summary info, the block chain node judgement is verified.
6. intelligence contract upgrade method according to claim 1, further includes：
Upgrade information is stored in block chain by block chain node, wherein the upgrade information includes the block chain node
The version information of intelligent contract after upgrading.
7. intelligence contract upgrade method according to claim 6, further includes：
Newest upgrade information in block chain node read area block chain, wherein the upgrade information includes the version of intelligent contract
This information, the version so as to block chain node in the current intelligent contract of the block chain node are less than in the upgrade information
In the case where version information, upgrade request is sent to intelligent contract publishing center.
8. a kind of intelligence contract upgrade method, including：
Intelligent contract publishing center receives the upgrade request that block chain link point is sent；
Intelligent contract publishing center generates the upgrading response including encryption data, wherein the encryption data includes target version
Intelligent contract data；
Intelligent contract publishing center returns to the upgrading response including encryption data to block chain node, so that block chain node is to institute
The data stated in upgrading response are verified, and in response to being verified, using the target version intelligent contract data into
Row upgrading.
9. intelligence contract upgrade method according to claim 8, wherein the encryption data is corresponding using intelligent contract
Private key encryption, so as to block chain node using the corresponding public key of the intelligent contract to the data in the upgrading response into
Row verifying.
10. intelligence contract upgrade method according to claim 9, wherein the intelligence contract publishing center, which generates, includes
The upgrading response of encryption data includes：
Intelligent contract publishing center inquires the target version of intelligent contract；
Intelligent contract publishing center is using the corresponding private key of intelligent contract to the intelligent contract data of target version, target version
The summary info of intelligent contract data is encrypted, and encryption data is generated；
Intelligent contract publishing center is signed using the corresponding private key pair encryption data of intelligent contract；
Intelligent contract publishing center generates the upgrading response including encryption data and signature.
11. a kind of block chain node, including：
Upgrade request sending module is configured as sending upgrade request to intelligent contract publishing center；
Upgrade response receiving module, the upgrading including encryption data for being configured as receiving intelligent contract publishing center return is answered
It answers, wherein the encryption data includes the intelligent contract data of target version；
Data Verification module is configured as verifying the data in the upgrading response；
Upgraded module is configured to respond to be verified, and is upgraded using the intelligent contract data of the target version.
12. block chain node according to claim 11, wherein including the block chain node in the upgrade request
The version information of current intelligence contract, the upgrading response are intelligent contract publishing centers in response to the current intelligent contract
Version is returned lower than target version.
13. block chain node according to claim 11 or 12, wherein the upgrade request sending module is further matched
It is set to timing and sends upgrade request to intelligent contract publishing center.
14. block chain node according to claim 11, wherein the encryption data is using the corresponding private of intelligent contract
Key encryption；
The Data Verification module is configured to using the corresponding public key of the intelligence contract in the upgrading response
Data verified.
15. block chain node according to claim 14, wherein the encryption data includes closing to the intelligence of target version
About data, the encrypted data of summary info progress of the intelligent contract data of the target version, the upgrading response are also wrapped
Include the signature of the encryption data；
The Data Verification module is configured to the corresponding public key of current intelligence contract using the block chain node
Signature in upgrading response is verified；In response to being verified to the signature, add using described in the public key decryptions
Ciphertext data obtains intelligent contract data, the first summary info of target version；Calculate the intelligent contract number of the target version obtained
According to the second summary info；Consistent in response to the first summary info and the second summary info, judgement is verified.
16. block chain node according to claim 11, further includes：
Information storage module is configured as upgrade information being stored in block chain, wherein the upgrade information includes the area
The version information of intelligent contract after the upgrading of block chain node.
17. block chain node according to claim 11,
Further include：Information reading module is configured as reading the newest upgrade information in block chain, wherein the upgrading letter
Breath includes the version information of intelligent contract；
The upgrade request sending module is configured to block chain node and closes in the current intelligence of the block chain node
In the case that version about is less than the version information in the upgrade information, upgrade request is sent to intelligent contract publishing center.
18. a kind of intelligence contract publishing center, including：
Upgrade request receiving module is configured as receiving the upgrade request that block chain link point is sent；
Upgrade response generation module, be configurable to generate the upgrading response including encryption data, wherein the encryption data includes
The intelligent contract data of target version；
Upgrade response return module, is configured as returning to the upgrading response including encryption data to block chain node, so as to block
Chain node verifies the data in the upgrading response, and in response to being verified, using the intelligence of the target version
Contract data is upgraded.
19. intelligence contract publishing center according to claim 18, wherein the encryption data is using intelligent contract pair
The private key encryption answered, so that block chain node uses the corresponding public key of the intelligent contract to the data in the upgrading response
It is verified.
20. intelligence contract publishing center according to claim 19, wherein the upgrading response generation module further by
It is configured to inquire the target version of intelligent contract；Using the corresponding private key of intelligent contract to the intelligent contract data of target version,
The summary info of the intelligent contract data of target version is encrypted, and encryption data is generated；Utilize the corresponding private key of intelligent contract
It signs to encryption data；Generate the upgrading response including encryption data and signature.
21. a kind of intelligence contract upgrade-system, including：
Block chain node described in any one of claim 11~17；And
Intelligent contract publishing center described in any one of claim 18~20.
22. a kind of block chain node, including：
Memory；And
It is coupled to the processor of the memory, the processor is configured to the instruction based on storage in the memory,
It executes such as intelligent contract upgrade method according to any one of claims 1 to 7.
23. a kind of intelligence contract publishing center, including：
Memory；And
It is coupled to the processor of the memory, the processor is configured to the instruction based on storage in the memory,
Execute the intelligent contract upgrade method as described in any one of claim 8~10.
24. a kind of computer readable storage medium, is stored thereon with computer program, power is realized when which is executed by processor
Benefit require any one of 1~10 described in intelligent contract upgrade method.
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| CN201810970018.2A CN108881312A (en) | 2018-08-24 | 2018-08-24 | Intelligent contract upgrade method, system and relevant device and storage medium |
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| CN201810970018.2A CN108881312A (en) | 2018-08-24 | 2018-08-24 | Intelligent contract upgrade method, system and relevant device and storage medium |
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Application publication date: 20181123 |