CN108876618A - A kind of exchange block catenary system and corresponding universal block chain mutual operation method and network - Google Patents
A kind of exchange block catenary system and corresponding universal block chain mutual operation method and network Download PDFInfo
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Abstract
The invention discloses a kind of exchange block catenary system and corresponding universal block chain mutual operation methods and network, belong to block chain technical field.The exchange block catenary system includes application layer module, contract layer module, common recognition layer module and adaptation layer module.The universal block chain mutual operation method includes：Dispose the intelligent contract of across chain operation；Execute the intelligent contract of across chain operation.The universal block chain mutual operation network includes：The block chain for exchanging block catenary system, interactive operation.Exchange block catenary system provided by the invention and corresponding universal block chain mutual operation method and network, solve at present across catenary system object chain number, interactive function, isomorphism isomery, centralization many restrictions, be a kind of comprehensive and systematic across chain Interworking Scheme.
Description
Technical field
The invention belongs to block chain technical fields, and in particular to a kind of exchange block catenary system and corresponding universal block chain
Mutual operation method and network.
Background technique
Nowadays, block chain technology develops rapidly, based on different technologies feature and towards the block linkwork in different application field
System emerges one after another, such as bit coin, ether mill.During by block chain technical application to reality scene, user is gradually sent out
Now industry issue is solved by single block chain to be increasingly difficult to.Because user is in block chain network scale, use cost, transaction performance
There are different demands with secret protection etc., often need that two or more block catenary systems are used in combination, also want sometimes
Intercommunication is carried out with non-block catenary system.
At this stage, due to proposing unified block chain interactive standards not yet, to the multiple block catenary systems of solution or non-area
The span chain problem band of block catenary system certain difficulty.There are many restrictions for existing across chain solution, for example are limited to two
Between system, it is limited to homogeneous network, is limited to token exchange of value, is limited to centralization mode etc..
Application No. is 201710232528.5 Chinese patent applications to disclose across the chain interoperability between a kind of block chain
Method.It is somebody's turn to do across chain mutual operation method, is applied to across chain exchange of assets, there are at least one sender S in across a chain transaction
With at least one recipient R, wherein | S | > 0, | R | > 0, and | S ∪ R | >=2, method includes：Each recipient Rx is generated
The secret random number of oneself, and open Nx=nx, wherein G is the basic point on elliptic curve；After obtaining each Nx, it is asked
And calculating：A contract account is generated for every a pair of of sender and recipients；Each sender Si sends out the assets of oneself
It is sent in corresponding contract account C (i, j)；After all assets are all sent, each recipient Rj discloses oneself
Secret random number nj；Before all secret random numbers are all disclosed, anyone can not transfer assets, when all secret random
After number all discloses, each recipient to Nx read group total and can transfer assets, if after time-out time t arrival still without
Method calculates the sum of Nx, then transaction can be revoked.The program is limited to across the chain interoperability between two homogeneous networks, and is limited to
Across chain exchange of assets.
Summary of the invention
It is an object of the present invention to provide one kind to be able to achieve different isomerization area across between catenary system, between block chain and non-block catenary system
Interoperability, and the exchange block catenary system of transaction consistency entirely across chain service logic and corresponding is guaranteed by intelligent contract
Across chain operating method and network.
On the one hand, a kind of exchange block catenary system is provided, including：
Application layer module, for supporting operation primitive, the operation primitive is for describing the operation logic across chain business；
Contract layer module, for realizing across chain business, across the chain business is made of sequence of operations, all operations it is suitable
Sequence combination constitutes the intelligent contract of across chain operation；
Common recognition layer module, for guaranteeing that the implementation procedure across chain business is credible by common recognition mechanism；
Adaptation layer module, protocol conversion and message communicating for realizing isomery block chain.
Furthermore, the application layer module carries out unifying identifier to external each block catenary system and each account.
Furthermore, the unifying identifier includes overall situation block chain ID and global account ID, the overall situation block chain ID
It is bound with block chain type, account ID is bound under the overall situation account ID and accordingly global block chain ID.
Furthermore, it can not unbind after global block chain ID binding, can not also modify；It can not after global account ID binding
Unbundlings, but can be modified by binding again.
Furthermore, across chain business be from specified global account on specified global block chain to target overall situation account
Family is transferred accounts token.
Furthermore, exchange block catenary system is able to carry out intelligent contract, and the intelligence contract includes by specified complete
Operation of office's account on specified global block chain.
Furthermore, the exchange block catenary system supports fault-tolerant processing, specifically includes：
If not up to maximum reattempt times, the current instruction for executing failure is retried；
If reaching maximum reattempt times, transaction rollback.
Furthermore, the contract layer module can distinguish transaction operation and non-transactional operation.
Furthermore, the common recognition mechanism is pluggable common recognition mechanism.
Furthermore, the pluggable common recognition mechanism includes BFT, DBFT, PoS and DPos.
Furthermore, the adaptation layer module docks all block chain api interfaces.
Furthermore, the adaptation layer module parses global block chain ID and overall situation account ID.
Furthermore, the adaptation layer module also obtains the operating result of target block chain.
Furthermore, the adaptation layer module obtain the mode of target block chain operating result be log monitor and/or
Timing is inquired.
On the other hand, a kind of universal block chain mutual operation method is provided, the method includes：
The step of disposing across chain operation intelligence contract, including following procedure：
Process 101：It exchanges block catenary system and receives in the first block chain second user in the first user and the second block chain
Register the request of respective account；
Process 102：It exchanges block catenary system and binds the first block chain, the second block chain, be associated with the first user in the firstth area
The account address and second user of block chain and the second block chain are in the account address of the first block chain and the second block chain；
Process 103：The intelligent contract of across chain operation that interaction block catenary system receives the first user and second user is submitted；
Process 104：Interaction block catenary system confirms whether the intelligent contract of across chain operation comes into force, and such as comes into force into execution across chain
The step of operating intelligent contract；
The step of executing across chain operation intelligence contract, including following procedure：
Process 201：Pretreatment, i.e., interactive block catenary system judge that the operation input information of the intelligent contract of across chain operation is complete
Property and operating right；
Process 202：Operation in first block chain of the intelligent contract of across chain operation is parsed into tune by interaction block catenary system
Call request is sent with the corresponding API of the first block chain and to the first block chain node；
Process 203：Interaction block catenary system obtains the corresponding API implementing result of the first block chain；
Process 204：Operation in second block chain of the intelligent contract of across chain operation is parsed into tune by interaction block catenary system
Call request is sent with the corresponding API of the second block chain and to the second block chain node；
Process 205：Interaction block catenary system obtains the corresponding API implementing result of the second block chain；
The exchange block catenary system is the exchange block catenary system as described in claim 1~14 is any.
It furthermore, include fault-tolerant parameter in the intelligent contract of across the chain operation.
Furthermore, the fault-tolerant parameter includes：The processing step for the situation that fails in each operating procedure, each operation
The maximum times and rollback step whether step can retry, retry.
Furthermore, the intelligent contract of across the chain operation includes following rollback operation：
If the first user initiates operation failure to second user on the first block chain, then retract the operation；
If second user on the second block chain to the first user initiate operation failure, then retract the operation and with the operation
The operation initiated on the first block chain to second user before corresponding from the first user.
Furthermore, whether interaction block catenary system is by judging the first user and second user to intelligent treaty content
Carry out whether the intelligent contract of across the chain operation of Signature Confirmation comes into force.
Furthermore, the intelligent contract of across chain operation that executes further includes the behaviour that across chain operating result is notified to user
Make.
Furthermore, the pretreatment is automatic executes, including：
Check user to the operating right of intelligent contract；If being unsatisfactory for jurisdictions mandate, across chain operation is terminated；
After obtaining the success of operation input data, common recognition is initiated；Otherwise, across chain operation terminates.
Furthermore, the mode for obtaining the API implementing result includes that log is monitored and/or periodically inquired.
Furthermore, following judgement is carried out according to the acquisition API implementing result：
If API implementing result has not been obtained, across chain operation is terminated；
If API implementing result is successfully, to continue to execute next operation；
If API implementing result is failure, calling retries process；Success is retried, then executes next operation；It retries and reaches most
Big number, rollback.
In another aspect, a kind of universal block chain mutual operation network is provided, including：
Exchange block catenary system and target block chain described in above-mentioned technical proposal, the target block chain pass through interaction
Block chain interacts operation.
Furthermore, the target block chain is the block chain of isomery.
Furthermore, the universal block chain mutual operation network further includes non-block catenary system, by exchanging block chain
Interact operation.
Another aspect provides a kind of computer readable storage medium, is stored thereon with computer program, the computer journey
The step of universal block chain mutual operation method described in above-mentioned technical proposal is realized when sequence is executed by processor.
Beneficial effects of the present invention are as follows：
Whole across chain operating process is controlled using exchange block catenary system of the invention, it is real by designing across chain communication protocol
Unified abstract logic definition between existing different isomerization network.Realize across chain traffic operation logic and target in across the chain inside in exchange area
Any interoperability between any heterogeneous system may be implemented in the adaptation of system API.
Universal block chain mutual operation method of the invention and network solve at present across catenary system in object chain number, friendship
The mutually many restrictions of function, isomorphism isomery, centralization are a kind of comprehensive and systematic across chain Interworking Schemes.This method can be applied
In digital asset exchange, pledges, issues, decentralization exchange, the scenes such as payment.
Detailed description of the invention
Fig. 1 is the universal block chain interoperability layered structure schematic diagram of the embodiment of the present invention.
Fig. 2 is across the chain flow chart of the embodiment of the present invention.
Fig. 3 is the exchange block catenary system issued transaction process figure of the embodiment of the present invention.
Fig. 4 is the universal block chain mutual operation network model schematic of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, and structure
At limitation of the invention.
Any feature disclosed in this specification unless specifically stated can be equivalent by other or with similar purpose
Alternative features replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
Son.
Embodiment one
Referring to Figure 1, it illustrates logical layered architectures in a kind of universal block chain inter-operation system.
According to ISO/OSI hierarchical design thought, exchanging block catenary system can logically be divided into：Application layer, contract layer,
Common recognition layer and adaptation layer.In application layer, service logic is needed by operation primitive description unified, based on permission control；It is closing
About layer realizes complete function by compilation operation process, takes into account across chain data consistency；In common recognition layer, guaranteed by common recognition mechanism
Implementation procedure is credible, and data transparency can not be distorted；Adaptation layer realizes protocol conversion and the message communicating of isomery block chain.
A. application layer
The interoperability that the operation primitive that application layer uses is primarily upon abstract level describes, to different block catenary systems,
Different account address spaces carries out unifying identifier.It is gChainId, global account that overall situation block chain ID is defined in operation logic
ID is gUserId.Operation logic supports the binding of gChainId and block chain type, supports gUserId and multiple gChainId
Under account ID binding (in order to guarantee the self-consistent property of data, gChainId cannot solve binding, cannot also modify；
GUserId cannot solve binding, but can be by executing bind order modification again).The operation primitive example of binding is as follows：
Bind (gChainId, " block chain network ")
Bind (gUserId, gChainId, " block chain account address ")
Destiny account gUserId1 transfers accounts on designated blocks chain gChainId to target account gUserId2
The corresponding token quantity n of tokenAddress, corresponding operating primitive example are as follows：
Transfer (gUserId1, gUserId2, gChainId, n, tokenAddress)
User gUserId calls contractAddress contract to operate oper, input on designated blocks chain gChainId
Parameter is data, and corresponding operating primitive example is as follows：：
Call (gUserId, gChainId, contractAddress, oper, data)
The execution of unified operation needs to obtain corresponding user's authorization, if insufficient permission, operation can not be executed.Each
Operation needs clear jurisdictions mandate, such as：Transfer operation must obtain the signature of account owner, the contract side of target block chain
Method must obtain the signature of the contract owner (or controller).
B. contract layer
Intelligent contract in exchange block catenary system is exactly once the sequence combination of all operations in across chain operation.Exchange
Block catenary system is connect with all goal systems (block chain and non-block chain), the available input data to all operations,
Such as the exchange rate in across chain transaction.In order to improve contract execution efficiency, needs to be pre-processed before execution, that is, judge whether institute
Some operations have all obtained corresponding user's authorization, if conditions are not met, then intelligent contract cannot execute.
Another key characteristic of intelligent contract is the support to affairs.Similar across chain token atom exchanges, two blocks
The transaction of catenary system must all succeed, if transferred accounts on chain A unsuccessfully, transferring accounts on chain B will not occur.So, intelligence is closed
About just need to guarantee fault-tolerant, a kind of mode is to retry executing instruction of currently failing；Another way is operated before retracting.It is logical
Keyword transaction is crossed, otherwise it is normal handling process that it is transaction process that commit, which defines current code section,.
C. it knows together layer
Exchanging block catenary system itself is also a block chain network, has BFT (Byzantine Fault
Tolerance, Byzantine failure tolerance) or the pluggable common recognition mechanism of PoS (ProofofStake, equity prove) or similar common recognition association
The improvement project of view, such as DBFT (delegated BFT authorizes Byzantine failure tolerance) or DPoS (delegated PoS, authorization
Equity proves), the exemplary distribution formula consistency problem in the case of multinode participates in more can be efficiently solved, is provided simultaneously with and visits
Account for front yard fault tolerance.
D. adaptation layer
It in adaptation layer, exchanges block catenary system and global block chain ID and overall situation account ID is parsed, realize global system
Function mapping between system and goal systems, and have the ability for docking all block chain api interfaces.Protocol adaptation layers are also responsible for
The operating result of target block chain is obtained, the mode of mode or timing inquiry that usage log is monitored.
Embodiment two
Fig. 2 is referred to, it illustrates a kind of universal block chain mutual operation method flow charts, are described as follows.
First stage is that contract signs process：
Step 101, user a and user b registers respective account in exchange block catenary system.
Step 102, block catenary system bound targets block catenary system A, B and exchange rate center C, and auto-associating user are exchanged
A, account address a@A, a@B, b@A, b@B of the b in block catenary system A, B.
Step 103, user a or b submits intelligent contract to interaction block chain, and content is as follows：1) a turns on block chain A to b
Enter m token, 2) b is transferred to n (according to the data of exchange rate center C, n=m*k, k are the exchange rate) a generation to a on block chain B immediately
Coin.If 1) execute failure, process retracts (no operation), does not retry.If 2) execute failure, retract completed step
It is rapid 1).Issued transaction process is referring to Fig. 3.
The submission of intelligent contract can also be by other user's operations.
Step 104, user a and user b sign to the content of contract, guarantee that all operations meet jurisdictions mandate.This
When treaty content it is formally effective.Interaction block catenary system is by judging whether user a and user b carries out intelligent treaty content
It signs to confirm whether the intelligent contract of across chain operation comes into force.
Second stage is contract implementation procedure：
Step 201, when user a and b complete signature, contract automatically begins to execute.
Exchange block catenary system is pre-processed, including 1) checks whether contract operating right is required to meet, and 2) exchange rate k obtains
Success is taken, common recognition is then initiated.
Pretreatment stage, if jurisdictions mandate is unsatisfactory for, across chain operation is terminated, and does not need rollback.
Pretreatment stage, if exchange rate centre data obtains failure, across chain operation is terminated, and does not need rollback.
Step 202, after the completion of common recognition, adaptation layer will be parsed into the operation in block chain A in the intelligent contract of across chain operation
The API request for calling block chain A is transferred accounts m token from a A to b A.
If transferred accounts unsuccessfully, across chain operation is terminated, and does not need rollback.
Step 203, adaptation layer obtains log information or inquiry effectively, and b@A has received transferring accounts for m token.If b@A exists
Log information is not received in time t and inquiry is not without as a result, then across chain operation termination, needs rollback.
Step 204, adaptation layer will be parsed into the operation in block chain B in the intelligent contract of across chain operation and call block chain B
API request, a token (is calculated) according to the exchange rate k in step 201 from b@B to a@B n that transfers accounts.
If transferred accounts unsuccessfully, across chain operation is terminated, and is executed rollback b@A to user a@A and is retracted m token.
Step 205, adaptation layer obtains log information or inquiry effectively, and a@B has received transferring accounts for n token, affairs success
Terminate.
If intermediate account a@B log information is not received in time t and inquiry without as a result, if across chain operation termination,
B@A retracts m token to user a@A.
Next behaviour in the intelligence contract is continued to execute if a certain operation runs succeeded in intelligent contract referring to Fig. 3
Make, until all operations are completed；If executing failure, calling retries process, retries and successfully then executes next operation；It retries and reaches
To after maximum times, then enter rolling back action.
Embodiment three
Fig. 4 is referred to, it illustrates a kind of universal block chain mutual operation network models.Wherein, including exchange block linkwork
Unite X, block catenary system A, block catenary system B and non-block catenary system C, wherein changes network centered on C.Exchange block catenary system
X is made of multiple distributed nodes.It exchanges block catenary system X and block catenary system A and block catenary system B is interconnected.Because of block
The own network protocol of catenary system A and block catenary system B operation, thus exchange block catenary system X with block catenary system A and area
When block catenary system B carries out data interaction, need by corresponding agent node.Agent node is responsible for that block catenary system X will be exchanged
Internal puppy parc is converted to the distinctive network protocol of target block catenary system A or B, realizes the interaction of data.Meanwhile it exchanging
Block catenary system X can also complete network protocol conversion by centralized network C client with the interaction of target's center's network C.
So, data sharing and interoperability are realized between all block chains and non-block catenary system.
The block chain that block catenary system A and block catenary system B can be isomorphism is also possible to the block chain of isomery.Exchange area
The structure and working principle of block catenary system are referring to embodiment one, and across chain operating method is referring to embodiment two.
Above-described embodiment serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
It will appreciated by the skilled person that all or part of step of above-described embodiment can be by hard in real time
Part is completed, and relevant hardware can also be instructed to complete by program, the program can store can in a kind of computer
It reads in storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Claims (27)
1. a kind of exchange block catenary system, which is characterized in that including：
Application layer module, for supporting operation primitive, the operation primitive is for describing the operation logic across chain business；
Contract layer module, for realizing across chain business, across the chain business is made of sequence of operations, the sequence group of all operations
It closes and constitutes the intelligent contract of across chain operation；
Common recognition layer module, for guaranteeing that the implementation procedure across chain business is credible by common recognition mechanism；
Adaptation layer module, protocol conversion and message communicating for realizing isomery block chain.
2. exchange block catenary system as described in claim 1, which is characterized in that the application layer module is to external each block
Catenary system and each account carry out unifying identifier.
3. exchange block catenary system according to claim 2, which is characterized in that the unifying identifier includes global block chain
ID and overall situation account ID, the overall situation block chain ID and block chain type are bound, the overall situation account ID and corresponding global block
Account ID is bound under chain ID.
4. exchange block catenary system as claimed in claim 3, which is characterized in that it can not be unbinded after global block chain ID binding,
Also it can not modify；It can not unbind, but can be modified after global account ID binding by binding again.
5. exchange block catenary system according to claim 3 or 4, which is characterized in that across chain business is by the specified overall situation
Account is on specified global block chain to target overall situation account transfer token.
6. exchange block catenary system according to claim 3 or 4, which is characterized in that exchange block catenary system is able to carry out
Intelligent contract, the intelligence contract include the operation by specified global account on specified global block chain.
7. exchange block catenary system according to claim 1, which is characterized in that the exchange block catenary system is supported fault-tolerant
Processing, specifically includes：
If not up to maximum reattempt times, the current instruction for executing failure is retried；
If reaching maximum reattempt times, transaction rollback.
8. exchange block catenary system according to claim 1, which is characterized in that the contract layer module can distinguish affairs
Operation and non-transactional operation.
9. exchange block catenary system according to claim 1, which is characterized in that the common recognition mechanism is pluggable common recognition machine
System.
10. exchange block catenary system according to claim 9, which is characterized in that the pluggable common recognition mechanism includes
BFT, DBFT, PoS and DPos.
11. exchange block catenary system according to claim 1, which is characterized in that the adaptation layer module docks all areas
Block chain api interface.
12. exchange block catenary system according to claim 3, which is characterized in that the adaptation layer module is to global block
Chain ID and overall situation account ID are parsed.
13. exchange block catenary system according to claim 1, which is characterized in that the adaptation layer module also obtains target
The operating result of block chain.
14. exchange block catenary system according to claim 13, which is characterized in that the adaptation layer module obtains target area
The mode of block chain operating result is that log is monitored and/or timing is inquired.
15. a kind of universal block chain mutual operation method, which is characterized in that the method includes：
The step of disposing across chain operation intelligence contract, including following procedure：
Process 101：It exchanges block catenary system and receives second user registration in the first user and the second block chain in the first block chain
The request of respective account；
Process 102：It exchanges block catenary system and binds the first block chain, the second block chain, be associated with the first user in the first block chain
With the account address of the second block chain and second user in the account address of the first block chain and the second block chain；
Process 103：The intelligent contract of across chain operation that interaction block catenary system receives the first user and second user is submitted；
Process 104：Interaction block catenary system confirms whether the intelligent contract of across chain operation comes into force, and such as comes into force into across the chain operation of execution
The step of intelligent contract；
The step of executing across chain operation intelligence contract, including following procedure：
Process 201：Pretreatment, i.e., interactive block catenary system judge across chain operation intelligence contract operation input information integrity and
Operating right；
Process 202：Operation in first block chain of across chain operation intelligence contract is parsed into calling the by interaction block catenary system
The corresponding API of one block chain simultaneously sends call request to the first block chain node；
Process 203：Interaction block catenary system obtains the corresponding API implementing result of the first block chain；
Process 204：Operation in second block chain of across chain operation intelligence contract is parsed into calling the by interaction block catenary system
The corresponding API of two block chains simultaneously sends call request to the second block chain node；
Process 205：Interaction block catenary system obtains the corresponding API implementing result of the second block chain；
The exchange block catenary system is the exchange block catenary system as described in claim 1~14 is any.
16. universal block chain mutual operation method according to claim 15, which is characterized in that across the chain operation is intelligently closed
It include fault-tolerant parameter in about.
17. universal block chain mutual operation method according to claim 16, which is characterized in that the fault-tolerant parameter includes：
Whether processing step, each operating procedure for the situation that fails in each operating procedure can retry, the maximum times that retry and return
Roll step.
18. universal block chain mutual operation method according to claim 15, which is characterized in that across the chain operation is intelligently closed
It about include following rollback operation：
If the first user initiates operation failure to second user on the first block chain, then retract the operation；
If second user initiates operation failure to the first user on the second block chain, then retract the operation and opposite with the operation
The operation initiated on the first block chain to second user before answering from the first user.
19. universal block chain mutual operation method according to claim 15, which is characterized in that interaction block catenary system passes through
Judge whether the first user and second user have carried out whether the intelligent contract of across the chain operation of Signature Confirmation gives birth to intelligent treaty content
Effect.
20. universal block chain mutual operation method according to claim 15, which is characterized in that described to execute across chain operation intelligence
Energy contract further includes the operation that across chain operating result is notified to user.
21. universal block chain mutual operation method according to claim 15, which is characterized in that the pretreatment is held automatically
Row, including：
Check user to the operating right of intelligent contract；If being unsatisfactory for jurisdictions mandate, across chain operation is terminated；
After obtaining the success of operation input data, common recognition is initiated；Otherwise, across chain operation terminates.
22. universal block chain mutual operation method according to claim 15, which is characterized in that the acquisition API is held
The mode of row result includes that log is monitored and/or periodically inquired.
23. universal block chain mutual operation method according to claim 15, which is characterized in that held according to the acquisition API
Row result carries out following judgement：
If API implementing result has not been obtained, across chain operation is terminated；
If API implementing result is successfully, to continue to execute next operation；
If API implementing result is failure, calling retries process；Success is retried, then executes next operation；It retries and reaches maximum time
Number, rollback.
24. a kind of universal block chain mutual operation network, which is characterized in that including：
Claim 1~14 any the exchange block catenary system and target block chain, the target block chain pass through friendship
Mutual block chain interacts operation.
25. universal block chain mutual operation network according to claim 24, which is characterized in that the target block chain is different
The block chain of structure.
26. universal block chain mutual operation network according to claim 25, which is characterized in that the universal block chain is mutually grasped
Further include non-block catenary system as network, interacts operation by exchanging block catenary system.
27. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that computer program is located
Manage the step of realizing the claim 15~23 universal block chain mutual operation method when device executes.
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