CN112801661A - Block chain cross-chain rule management method and system - Google Patents
Block chain cross-chain rule management method and system Download PDFInfo
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Abstract
The invention provides a block chain cross-chain rule management method and a system, belonging to the technical field of block chains and comprising the following steps: receiving a rule operation application submitted by a cross-chain service participant; adding the rule operation application to a contract change application list; the rule operation application in the contract change application list is used for indicating a cross-chain service related party to vote for the rule operation application when detecting that the rule operation application exists in the contract change application list; and receiving the voting result of the cross-chain business related party to the rule operation application, and judging whether to update the cross-chain rule according to the voting result of the cross-chain business related party to the rule operation application. The block chain cross-chain rule management method and system provided by the invention solve the problem of cross-chain control and permission of block chain transaction, and provide an effective intervention means for cross-chain supervision.
Description
Technical Field
The present invention belongs to the field of blockchain technology, and more particularly, to a method and system for managing a blockchain cross-chain rule.
Background
The block chain technology is based on a decentralized peer-to-peer network, combines a cryptography principle with a consensus mechanism to ensure data consistency and persistence of distributed nodes, and realizes the characteristics of instant verification, traceability, difficult tampering and the like of transaction information, thereby creating a set of private, efficient and safe distributed trust system.
With the gradual maturity of the block chain technology, more and more service systems use the block chain, and service calling between different service systems through the cross-chain system is more and more frequent. At this time, how to solve the problem of cross-link control and permission of blockchain transaction becomes a problem that needs to be solved urgently by those skilled in the art by providing an intervention means for cross-link supervision.
Disclosure of Invention
The invention aims to provide a method and a system for managing a block chain cross-chain rule, which are used for solving the problems of cross-chain control and permission of block chain transaction and providing an intervention means for cross-chain supervision.
In a first aspect of the embodiments of the present invention, a method for managing a block chain cross-chain rule is provided, where the method includes:
receiving a rule operation application submitted by a cross-chain service participant;
adding the rule operation application to a contract change application list; the rule operation application in the contract change application list is used for indicating a cross-chain service related party to vote for the rule operation application when detecting that the rule operation application exists in the contract change application list;
and receiving the voting result of the cross-chain business related party to the rule operation application, and judging whether to update the cross-chain rule according to the voting result of the cross-chain business related party to the rule operation application.
In a second aspect of the embodiments of the present invention, a system for managing a block chain cross-chain rule is provided, including:
the operation application receiving module is used for receiving a rule operation application submitted by a cross-chain business participant; adding the rule operation application to a contract change application list; the rule operation application in the contract change application list is used for indicating a cross-chain service related party to vote for the rule operation application when detecting that the rule operation application exists in the contract change application list;
and the cross-chain rule updating module is used for receiving the voting result of the cross-chain service related party for the rule operation application and judging whether to update the cross-chain rule according to the voting result of the cross-chain service related party for the rule operation application.
In a third aspect of the embodiments of the present invention, a terminal device is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the block chain cross-chain rule management method when executing the computer program.
In a fourth aspect of the embodiments of the present invention, a computer-readable storage medium is provided, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the steps of the above block chain cross-chain rule management method.
The block chain cross-chain rule management method and system provided by the embodiment of the invention have the beneficial effects that:
the invention provides a block chain cross-chain rule management method, namely receiving a rule operation application submitted by a cross-chain service participant and a voting result of a cross-chain service related party to the rule operation application, and judging whether to update a cross-chain rule according to the voting result of the cross-chain service related party to the rule operation application. That is to say, the invention provides a management scheme of a blockchain transaction cross-chain rule, which solves the problem of blockchain transaction cross-chain control and permission, thereby providing an effective intervention means for cross-chain supervision.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flowchart of a block chain cross-chain rule management method according to an embodiment of the present invention;
fig. 2 is a block diagram of a block chain cross-chain rule management system according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a terminal device according to an embodiment of the present invention;
fig. 4 is a block chain network according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic flowchart of a block chain cross-chain rule management method according to an embodiment of the present invention, where the method is applied to a rule management contracting party, and includes:
s101: and receiving a rule operation application submitted by a cross-chain business participant.
In this embodiment, a cross-chain service participant may be any node participating in a cross-chain service.
In this embodiment, the cross-chain business participants may submit rule operation applications by invoking preset interfaces of the rule management contracts.
S102: and adding the rule operation application to a contract change application list.
In this embodiment, the rule operation application in the contract change application list is used to indicate that the cross-link business related party votes for the rule operation application when detecting that the rule operation application exists in the contract change application list.
In this embodiment, the cross-chain service related party refers to other nodes participating in the cross-chain service besides the cross-chain service participating party.
That is, the cross-link service related party will continuously detect that all rule operation applications exist in the contract change application list, and vote for the rule operation applications if the rule operation applications exist in the contract change application list.
S103: and receiving the voting result of the cross-chain business related party to the rule operation application, and judging whether to update the cross-chain rule according to the voting result of the cross-chain business related party to the rule operation application.
In this embodiment, after the cross-chain business related party votes for the rule operation application, the voting result is sent to the rule contractual party, and the rule contractual party can check the validity of the vote according to the voting result of the cross-chain business related party for the rule operation application, and then count the vote, so as to determine whether to update the cross-chain rule. Wherein, the cross-chain rule refers to a cross-chain transaction rule.
From the above, the embodiment of the present invention provides a method for managing a block chain cross-chain rule, that is, a rule operation application submitted by a cross-chain service participant and a voting result of a cross-chain service related party to the rule operation application are received, and whether to update a cross-chain rule is determined according to the voting result of the cross-chain service related party to the rule operation application. That is to say, the embodiment of the present invention provides a management scheme for a blockchain transaction cross-chain rule, which solves the problem of blockchain transaction cross-chain control and permission, thereby providing an effective intervention means for cross-chain supervision.
Optionally, as a specific implementation manner of the block chain cross-chain rule management method provided in the embodiment of the present invention, if the received rule operation application submitted by the cross-chain service participant is a cross-chain rule addition application, before adding the rule operation application to the contract change application list, the method may further include:
and allocating a unique identifier for the rule corresponding to the rule operation application.
In this embodiment, if the received rule operation application submitted by the cross-chain service participant is a cross-chain rule addition application, a unique identifier may be allocated to a rule corresponding to the rule operation application so as to distinguish the rule from an existing rule (valid/not valid).
Optionally, as a specific implementation manner of the block chain cross-chain rule management method provided in the embodiment of the present invention, after adding the rule operation application to the contract change application list, the block chain cross-chain rule management method may further include:
and counting a ticket for the cross-chain business participant submitting the rule operation application.
Correspondingly, whether the cross-chain rule is updated is judged according to the voting result of the cross-chain service related party for the rule operation application, which can be detailed as follows:
and judging whether to update the cross-chain rule according to the voting result of the cross-chain service participant submitting the rule operation application and the voting result of the cross-chain service related party to the rule operation application.
In this embodiment, after receiving the rule operation application of the cross-chain service participant, the cross-chain service participant who submits the rule operation application may be defaulted to count an approval ticket.
Optionally, as a specific implementation manner of the method for managing a blockchain cross-chain rule provided in the embodiment of the present invention, after receiving a voting result of a cross-chain service related party applying for a rule operation, the method for managing a blockchain cross-chain rule may further include:
and deleting the rule operation application corresponding to the voting result from the contract change application list.
In this embodiment, after the cross-link service related party completes the voting, the rule operation application corresponding to the voting result may be deleted from the contract change application list, so as to save the memory space.
Optionally, as a specific implementation manner of the block chain cross-chain rule management method provided in the embodiment of the present invention, whether to update a cross-chain rule is determined according to a voting result of a cross-chain service related party to a rule operation application, which may be detailed as follows:
and if the voting result of the cross-link service related party to the rule operation application shows that the number of votes approved exceeds a preset threshold value, updating the cross-link rule based on the rule operation application corresponding to the voting result.
In this embodiment, the preset threshold may be determined according to the number of nodes participating in the cross-chain service.
Optionally, as a specific implementation manner of the block chain cross-chain rule management method provided in the embodiment of the present invention, the rule operation application includes a cross-chain rule definition and a cross-chain rule description.
And the rule operation application in the contract change application list is used for indicating a cross-chain business related party to carry out validity verification on the cross-chain rule definition and the cross-chain rule description in the rule operation application according to a preset verification rule when detecting that the rule operation application exists in the contract change application list, and voting is carried out on the rule operation application based on a verification result.
In this embodiment, the rule operation application includes the rule operation and the rule itself.
Wherein the rule operations include, but are not limited to: adding a rule to a white list/blacklist, deleting a rule from a white list/blacklist, moving a rule from a white list to a blacklist, moving a rule from a blacklist to a white list, and the like.
Wherein the rules themselves contain cross-chain rule definitions and cross-chain rule descriptions.
Optionally, as a specific implementation manner of the block chain cross-chain rule management method provided in the embodiment of the present invention, the preset check rule may be detailed as follows:
if the cross-chain rule is described as: and the chain crossing direction is from the chain A to the chain B, and the chain crossing rule is defined as:
AChain>BChain。
if the cross-chain rule is described as: and C, cross-chain assets of the A chain, and cross-chain rules are defined as:
AChain.TokenA。
if the cross-chain rule is described as: and (3) defining the cross-chain rule as follows according to the real name token of the A chain:
AChain.crtToken＝true。
if the cross-chain rule is described as: and (3) an anonymous token of the A chain, and defining a cross-chain rule as follows:
AChain.crtToken＝false。
if the cross-chain rule is described as: if the cross-link source transaction input address is a-link address a, the cross-link rule is defined as: srcadress ═ achain.
If the cross-chain rule is described as: if the address of the cross-link object is A-link address A, the cross-link rule is defined as: address a.
If the cross-chain rule is described as: the A chain contracts the A address, and the cross-chain rule is defined as:
AChain.contractAddressA。
if the cross-chain rule is described as: the destination chain A contains information deposit transaction of keyString, and then the cross-chain rule is defined as: must meet str (keyString).
If the cross-chain rule is described as: if the source chain A contains information evidence storage transaction of keyString, the cross-chain rule is defined as: src ═ achain.
In this embodiment A, B refers to only, and not to a certain chain. For example, if the cross-chain rule is described as: and the chain crossing direction is from the B chain to the A chain, and then the chain crossing rule is defined as: BChain > AChain. If the cross-chain rule is described as: and B, defining a cross-chain rule as: TokenA (that is, bhain corresponds to the name of the B chain, TokenA corresponds to the name of Token, wherein "a" in "TokenA" is not limited to the relationship to Token, and has only the name designation function), and other strand crossing rules are similar and will not be described herein again.
In this embodiment, the white listing of the above cross-link rules is the permission rule, and the black listing is the prohibition rule.
In this embodiment, a whole set of systematic rule description methods is provided, and the block chain cross-chain rule management method provided in the above embodiments is combined, so that the difficult problem of decentralized management of the cross-chain rule can be effectively solved.
Optionally, referring to fig. 4, as a specific implementation manner of the block chain cross-chain rule management method according to the embodiment of the present invention, the embodiment illustrates the block chain cross-chain rule management method according to the present invention by a specific example.
In this embodiment, the rule management contract runs in a blockchain network composed of three nodes, i.e., a node A, a node B and a node C. On the basis, if a cross-chain rule is required to be added: address a to white list, the steps are as follows:
1) a node A of a cross-chain service related party calls a rule management contract to add a rule interface, and applies for adding a cross-chain rule: srcadress is achain.
2) Receiving the application by the rule management contractor, assigning a unique identifier for the rule so as to distinguish the rule from the existing rule (effective/non-effective), writing the rule into a contract change application list, and initiating the applicant (namely a cross-chain business related party submitting the rule operation application) to count a 1 ticket;
3) the nodes B and C of the cross-link service correlative parties detect that rule operation applications to be voted/audited exist in the contract change application list, and call the rule management contract change voting interface to vote respectively after checking rule meanings and finishing rule evaluation (here, votes can be cast, rejected or directly discarded, and the embodiment is not limited).
4) The rule management contractor receives the voting result, checks the validity of the voting, then counts the votes, checks whether the number of votes approved by the rule operation application reaches a preset threshold (in the present example, the preset threshold may be 2), and adds srcadres as achain.
The rule modification process is similar to the rule addition process, except that a unique identifier does not need to be allocated to the rule, and the original rule is replaced/removed after the vote passes, and the specific process is not repeated herein.
Fig. 2 is a block chain cross-chain rule management system according to an embodiment of the present invention, and is a block chain cross-chain rule management method according to the embodiment of the present invention. For convenience of explanation, only portions related to the embodiments of the present invention are shown. Referring to fig. 2, the blockchain cross-chain rule management system 20 includes: the operation application receiving module 21 and the cross-chain rule updating module 22.
The operation application receiving module 21 is configured to receive a rule operation application submitted by a cross-chain service participant. And add the rule operation application to the contract change application list. The rule operation application in the contract change application list is used for indicating a cross-chain business related party to vote when detecting that the rule operation application cross-chain rule updating module 22 requests exists in the contract change application list.
And the system is used for receiving the voting result of the cross-chain business related party for the rule operation application and judging whether to update the cross-chain rule according to the voting result of the cross-chain business related party for the rule operation application.
Optionally, as a specific implementation manner of the block chain cross-chain rule management system provided in the embodiment of the present invention, if the received rule operation application submitted by the cross-chain service participant is a cross-chain rule addition application, before the rule operation application is added to the contract change application list, the operation application receiving module 21 is further configured to allocate a unique identifier to a rule corresponding to the rule operation application.
Optionally, as a specific implementation manner of the block chain cross-chain rule management system provided in the embodiment of the present invention, after the rule operation application is added to the contract change application list, the operation application receiving module 21 is further configured to count a ticket for a cross-chain service participant who submits the rule operation application.
Correspondingly, judging whether to update the cross-chain rule according to the voting result of the cross-chain service related party for the rule operation application, comprising the following steps:
and judging whether to update the cross-chain rule according to the voting result of the cross-chain service participant submitting the rule operation application and the voting result of the cross-chain service related party to the rule operation application.
Optionally, as a specific implementation manner of the block chain cross-chain rule management system provided in the embodiment of the present invention, after receiving a voting result of a cross-chain service related party to a rule operation application, the operation application receiving module 21 is further configured to delete the rule operation application corresponding to the voting result from the contract change application list.
Optionally, as a specific implementation manner of the block chain cross-chain rule management system provided in the embodiment of the present invention, the determining whether to update the cross-chain rule according to a voting result of the cross-chain service related party to the rule operation application includes:
and if the voting result of the cross-link service related party to the rule operation application shows that the number of votes approved exceeds a preset threshold value, updating the cross-link rule based on the rule operation application corresponding to the voting result.
Optionally, as a specific implementation manner of the block chain cross-chain rule management system provided in the embodiment of the present invention, the rule operation application includes a cross-chain rule definition and a cross-chain rule description.
The rule operation applications in the contract change application list are used for indicating that cross-chain service relatives detect that the rule operation applications exist in the contract change application list,
and verifying the validity of the cross-chain rule definition and the cross-chain rule description in the rule operation application according to a preset verification rule, and voting the rule operation application based on a verification result.
Optionally, as a specific implementation manner of the block chain cross-chain rule management system provided in the embodiment of the present invention, the preset check rule includes:
if the cross-chain rule is described as: and the chain crossing direction is from the chain A to the chain B, and the chain crossing rule is defined as:
AChain>BChain。
if the cross-chain rule is described as: and C, cross-chain assets of the A chain, and cross-chain rules are defined as:
AChain.TokenA。
if the cross-chain rule is described as: and (3) defining the cross-chain rule as follows according to the real name token of the A chain:
AChain.crtToken＝true。
if the cross-chain rule is described as: and (3) an anonymous token of the A chain, and defining a cross-chain rule as follows:
AChain.crtToken＝false。
if the cross-chain rule is described as: if the cross-link source transaction input address is a-link address a, the cross-link rule is defined as: srcadress ═ achain.
If the cross-chain rule is described as: if the address of the cross-link object is A-link address A, the cross-link rule is defined as: address a.
If the cross-chain rule is described as: the A chain contracts the A address, and the cross-chain rule is defined as:
AChain.contractAddressA。
if the cross-chain rule is described as: the destination chain A contains information deposit transaction of keyString, and then the cross-chain rule is defined as: must meet str (keyString).
If the cross-chain rule is described as: if the source chain A contains information evidence storage transaction of keyString, the cross-chain rule is defined as: src ═ achain.
Referring to fig. 3, fig. 3 is a schematic block diagram of a terminal device according to an embodiment of the present invention. The terminal 300 in the present embodiment as shown in fig. 3 may include: one or more processors 301, one or more input devices 302, one or more output devices 303, and one or more memories 304. The processor 301, the input device 302, the output device 303, and the memory 304 are in communication with each other via a communication bus 305. The memory 304 is used to store a computer program comprising program instructions. Processor 301 is operative to execute program instructions stored in memory 304. Wherein the processor 301 is configured to call program instructions to perform the following functions of operating the modules/units in the above-described device embodiments, such as the functions of the modules 21 to 22 shown in fig. 2.
It should be understood that, in the embodiment of the present invention, the Processor 301 may be a Central Processing Unit (CPU), and the Processor may also be other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The input device 302 may include a touch pad, a fingerprint sensor (for collecting fingerprint information of a user and direction information of the fingerprint), a microphone, etc., and the output device 303 may include a display (LCD, etc.), a speaker, etc.
The memory 304 may include a read-only memory and a random access memory, and provides instructions and data to the processor 301. A portion of the memory 304 may also include non-volatile random access memory. For example, the memory 304 may also store device type information.
In a specific implementation, the processor 301, the input device 302, and the output device 303 described in this embodiment of the present invention may execute the implementation manners described in the first embodiment and the second embodiment of the block chain cross-chain rule management method provided in this embodiment of the present invention, and may also execute the implementation manner of the terminal described in this embodiment of the present invention, which is not described herein again.
In another embodiment of the present invention, a computer-readable storage medium is provided, in which a computer program is stored, where the computer program includes program instructions, and the program instructions, when executed by a processor, implement all or part of the processes in the method of the above embodiments, and may also be implemented by a computer program instructing associated hardware, and the computer program may be stored in a computer-readable storage medium, and the computer program, when executed by a processor, may implement the steps of the above methods embodiments. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may include any suitable increase or decrease as required by legislation and patent practice in the jurisdiction, for example, in some jurisdictions, computer readable media may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The computer readable storage medium may be an internal storage unit of the terminal of any of the foregoing embodiments, for example, a hard disk or a memory of the terminal. The computer readable storage medium may also be an external storage device of the terminal, such as a plug-in hard disk provided on the terminal, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the computer-readable storage medium may also include both an internal storage unit and an external storage device of the terminal. The computer-readable storage medium is used for storing a computer program and other programs and data required by the terminal. The computer-readable storage medium may also be used to temporarily store data that has been output or is to be output.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the terminal and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed terminal and method can be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces or units, and may also be an electrical, mechanical or other form of connection.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for managing a block chain cross-chain rule is characterized by comprising the following steps:
receiving a rule operation application submitted by a cross-chain service participant;
adding the rule operation application to a contract change application list; the rule operation application in the contract change application list is used for indicating a cross-chain service related party to vote for the rule operation application when detecting that the rule operation application exists in the contract change application list;
and receiving the voting result of the cross-chain business related party to the rule operation application, and judging whether to update the cross-chain rule according to the voting result of the cross-chain business related party to the rule operation application.
2. The method for managing blockchain cross-chain rules according to claim 1, wherein if the received rule operation application submitted by the cross-chain business participant is a cross-chain rule addition application, before adding the rule operation application to the contract change application list, the method further comprises:
and allocating a unique identifier for the rule corresponding to the rule operation application.
3. The blockchain cross-chain rule management method of claim 1, further comprising, after adding the rule operation application to a contract change application list:
counting a ticket for a cross-chain business participant submitting a rule operation application;
correspondingly, the determining whether to update the cross-chain rule according to the voting result of the application of the cross-chain service related party to the rule operation includes:
and judging whether to update the cross-chain rule according to the voting result of the cross-chain service participant submitting the rule operation application and the voting result of the cross-chain service related party to the rule operation application.
4. The method for managing blockchain cross-chain rules according to claim 1, further comprising, after receiving a result of a vote applied by a cross-chain business related party to a rule operation:
and deleting the rule operation application corresponding to the voting result from the contract change application list.
5. The method for managing blockchain cross-chain rules according to claim 1, wherein said determining whether to update the cross-chain rules according to the voting result of the cross-chain business related party to the rule operation application comprises:
and if the voting result of the cross-link service related party to the rule operation application shows that the number of votes approved exceeds a preset threshold value, updating the cross-link rule based on the rule operation application corresponding to the voting result.
6. The method of claim 1, wherein the rule application comprises a cross-chain rule definition and a cross-chain rule description;
the rule operation application in the contract change application list is used for indicating that cross-chain service relatives detect that the rule operation application exists in the contract change application list,
and verifying the validity of the cross-chain rule definition and the cross-chain rule description in the rule operation application according to a preset verification rule, and voting the rule operation application based on a verification result.
7. The method as claimed in claim 6, wherein the predetermined verification rule comprises:
if the cross-chain rule is described as: and the chain crossing direction is from the chain A to the chain B, and the chain crossing rule is defined as:
AChain>BChain；
if the cross-chain rule is described as: and C, cross-chain assets of the A chain, and cross-chain rules are defined as:
AChain.TokenA；
if the cross-chain rule is described as: and (3) defining the cross-chain rule as follows according to the real name token of the A chain:
AChain.crtToken＝true；
if the cross-chain rule is described as: and (3) an anonymous token of the A chain, and defining a cross-chain rule as follows:
AChain.crtToken＝false；
if the cross-chain rule is described as: if the cross-link source transaction input address is a-link address a, the cross-link rule is defined as: srcadress ═ achain.
If the cross-chain rule is described as: if the address of the cross-link object is A-link address A, the cross-link rule is defined as: address a;
if the cross-chain rule is described as: the A chain contracts the A address, and the cross-chain rule is defined as:
AChain.contractAddressA；
if the cross-chain rule is described as: the destination chain A contains information deposit transaction of keyString, and then the cross-chain rule is defined as: must meet str (keyString);
if the cross-chain rule is described as: if the source chain A contains information evidence storage transaction of keyString, the cross-chain rule is defined as: src ═ achain.
8. A system for managing block chain cross-chain rules, comprising:
the operation application receiving module is used for receiving a rule operation application submitted by a cross-chain business participant; adding the rule operation application to a contract change application list; the rule operation application in the contract change application list is used for indicating a cross-chain service related party to vote for the rule operation application when detecting that the rule operation application exists in the contract change application list;
and the cross-chain rule updating module is used for receiving the voting result of the cross-chain service related party for the rule operation application and judging whether to update the cross-chain rule according to the voting result of the cross-chain service related party for the rule operation application.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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