CN110688679B - Block chain-based account locking/unlocking method and device - Google Patents
Block chain-based account locking/unlocking method and device Download PDFInfo
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Abstract
The embodiment of the application provides a blocking chain-based account locking/unlocking method and device, wherein the method comprises the following steps: issuing a locked account contract on the blockchain through the first account; after issuing contracts through a second account on the blockchain, enabling the locked account contract to have authority for controlling the second account, calling a lock interface of the locked account contract, and locking the second account; and unlocking the second account after the locking is expired. According to the embodiment of the application, contract maintenance can be performed while contract fairness and transparency on the blockchain are ensured.
Description
Technical Field
The application belongs to the technical field of blockchain, and particularly relates to a blockchain-based account locking/unlocking method, a blockchain-based account locking/unlocking device, terminal equipment and a computer readable medium.
Background
Currently, after the contracts of a general blockchain are deployed, the contract publisher faces two situations, wherein the first situation is that the right is handed out once the contracts are released, and neither can control the contracts, and the contracts can never be modified again. When a contract is vulnerable (bug) or the functionality is not satisfied, upgrades cannot be made nor changed because the contract issuer has no authority to reform the contract.
In another case, after the contract publisher publishes the contract through the account, the contract publisher does not exchange the authority of the account, and the contract can be modified at any time, so that a great potential danger is formed for the person using the contract. Because the contracts can be modified at any time, the rules related to the contracts are likely to be modified unfairly at any time, the contract publisher can give an image of possible lack of credit that can feel fraudulent, and the fair and transparent characteristic of the blockchain is difficult to be represented.
Disclosure of Invention
In view of this, the embodiments of the present application provide a blockchain-based account locking/unlocking method, apparatus, terminal device, and computer readable medium, which can maintain the contract while ensuring that the contract is fair and transparent on the blockchain.
A first aspect of an embodiment of the present application provides a blockchain-based account locking/unlocking method, including:
issuing a locked account contract on the blockchain through the first account; the locking account contract is used for controlling locking and unlocking of the second account;
after issuing contracts through a second account on the blockchain, enabling the locked account contract to have authority for controlling the second account, calling a lock interface of the locked account contract, and locking the second account;
and unlocking the second account after the locking is expired.
A second aspect of an embodiment of the present application provides a blockchain-based account locking/unlocking device, including:
the locking contract issuing module is used for issuing a locking account contract on the blockchain through the first account; the locking account contract is used for controlling locking and unlocking of the second account;
the locking module is used for enabling the locking account contract to have the authority for controlling the second account after the contract is issued through the second account on the blockchain, calling a lock interface of the locking account contract and locking the second account;
and the unlocking module is used for unlocking the second account after the locking is expired.
A third aspect of an embodiment of the present application provides a terminal device, including 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 blockchain-based account locking/unlocking method described above when the processor executes the computer program.
A fourth aspect of the embodiments of the present application provides a computer readable medium storing a computer program which when processed to perform the steps of the blockchain-based account locking/unlocking method described above.
According to the account locking/unlocking method based on the blockchain, a locking account contract can be issued on the blockchain through the first account, after the second account is issued on the blockchain, the locking account contract is enabled to have the authority of controlling the second account, a locking lock interface of the locking account contract is called to lock the second account, and after the locking is expired, the second account can be unlocked, so that the contract on the blockchain is ensured to be fair and transparent, and meanwhile, the contract is maintained.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a blockchain-based account locking/unlocking method provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of a block chain based account locking/unlocking device according to an embodiment of the present application;
FIG. 3 is a detailed architectural diagram of the lock contract issuing module of FIG. 2;
FIG. 4 is a detailed schematic of the locking module of FIG. 2;
FIG. 5 is a detailed schematic diagram of the unlocking module of FIG. 2;
fig. 6 is a schematic diagram of a terminal device according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to illustrate the technical scheme of the application, the following description is made by specific examples.
Referring to fig. 1, fig. 1 is a flowchart of a blocking chain-based account locking/unlocking method according to an embodiment of the present application. As shown in fig. 1, the blockchain-based account locking/unlocking method of the present embodiment includes the following steps:
and S101, issuing a locking account contract on the blockchain through the first account.
In the embodiment of the present application, assuming that the first account is a user lock, a locking account contract may be issued through the user lock, where the function of the locking account contract is used to control locking and unlocking of other accounts (for example, the second account). After the lock account contract is issued by the user, the public key of the user is changed to be blank, and the authority is 1, which means that the issued first account user does not have any authority, the lock account contract can not be modified at all, and the lock account contract is public and can be seen by anyone. For relevant settings for the first account user lock see table 1:
TABLE 1
S102: after the contract is issued through the second account, the locked account contract is enabled to have the authority for controlling the second account, and a lock interface of the locked account contract is called to lock the second account.
In the embodiment of the application, the contract code of the locked account contract has two functional interfaces, namely a lock (lock) interface for locking other contracts (such as a second account) and an unlock (unlock) interface for unlocking the other contracts. After a contract (different from other common contracts of the locked account contract) is issued through a second account on the blockchain, the locked account contract can be set to have the authority to control the second account, then a lock interface of the locked account contract can be called, the date of locking the second account is transmitted into the locked account contract, and a public key which needs to be replaced when unlocking the second account is used for locking the second account. Specifically, assuming that the second account is useraccount1, before starting to use the locking function, the authority of the second account useraccount1 may be as shown in the following table 2:
TABLE 2
Table 2 shows that the threshold value of the second account number useraccount1 is 1, and that 1 represents that the public key or the contract code has the right to control the second account number useraccount1 only when the weight of the public key or the contract code is equal to or greater than 1, so the public key 6gts6s1u8 dnfzxqbieemdkb 41K7u5d4JUpB8vSAq7vutHr7AC in table 2 has the right to control the second account number useraccount 1.
Before the locking function is used, the locking account contract needs to be set in advance to have the authority of using the second account useraccount1, and the set form is shown in the following table 3:
TABLE 3 Table 3
Table 3 shows that the public key 6gts6s1u8dNfzzxqbieEmdkB41K7u5d4JUpB8vSAq7vutHr7AC or the contract code userlock@code has the right to use the second account number useraccount 1.
In the actual process, after the second account number useraccount1 issues a contract, the locked account number contract may be set to have the authority to control the second account number, and after the setting is completed, the contract generation of the locked account number contractCode userlock@codeThe right of controlling the second account is provided, and the specific form after setting is shown in table 4:
TABLE 4 Table 4
Table 4 shows that onlyuserlock@codeThe contract code of this locked account contract can modify the user rights of the second account useraccount1, for example, lock the second account, and at the same time, through the lock interface of the locked account contract, record the unlocking time of the second account useraccount1 and the public key used in unlocking, for example, the time lock can be referred to in table 5:
TABLE 5
It should be noted that after the second account number useraccount1 is locked, the original owner of the second account number useraccount1 loses control over the account number, and also loses modification rights for contracts issued by using the second account count 1.
S103: and unlocking the second account after the locking is expired.
In the embodiment of the application, after the locking is expired, the control authority of the second account can be set as the public key through the locking account contract, and the second account is unlocked through the private key corresponding to the public key. Further, after the lock expires, i.e., after the unlock time is reached, anyone can initiate the second account number useraccount1, since the unlock is transparent at any time and no permission check is needed, anyone can initiate. The locking account contract can judge whether the time is expired according to the recorded unlocking time of the second account, unlocking is performed when the time is expired, and an unlocking failure result is returned when the time is not expired. Of course, if other locking conditions are set in the locked account contractTable 5 may also take only a time lock as an example. More specifically, because the locked account contract can modify the control authority of the second account, the locked account contract is a blockchain-based intelligent contract, and after the unlocking time is reached, the locked account contract can automatically enable the control authority of the second account useraccount1 to be controlled by the contract code of the locked account contract through an unlock interfaceuserlock@codeThe public key 6gts6s1u8 dNfzxqbieEmdkB 41K7u5d4JUpB8vSAq7vutHr7AC is modified as shown in the table 5, so that the original user of the second account useraccount1 reacquires the control right of the useraccount1, and the self-issued contract can be modified and upgraded.
In the blockchain-based account locking/unlocking method provided in fig. 1, a user authority type, namely, a code authority is newly established. After a certain contract is issued by the second account, the authority of the second account can be locked through the locking code of the contract of the locking account issued by the first account, then the second authority is unlocked after fixed time (or other conditions) is set, and then the certain contract issued by the second account can be used for upgrading or other operations. By this flexible and transparent method of operating the account number, it is ensured that no one can do any modification operation on the second account number during the locking period of the certain contract, if the certain contract can be modified, it means that the interests of the participants cannot be guaranteed, because the contract is a contract, and cannot be modified at will. And anybody can verify whether the second account is locked on the blockchain, anybody knows when the second account is unlocked, so that the information is open and transparent, no camera bellows operation exists, and further, a DApp (distributed application program) developer can conveniently display a certain contract issued by himself in a fair and transparent mode, after the fairness of the contract is ensured through locking, the certain contract can be upgraded after unlocking, the stability of the certain contract is ensured, the long-term stability of the DApp is further ensured, and the fair and transparent execution of the certain contract is ensured.
Referring to fig. 2, fig. 2 is a block diagram of an account locking/unlocking device based on a blockchain according to an embodiment of the present application. As shown in fig. 2, the blockchain-based account locking/unlocking device 20 of the present embodiment includes a locking contract issuing module 201, a locking module 202, and an unlocking module 203. The lock contract issuing module 201, the lock module 202 and the unlock module 203 are respectively used for executing the specific methods in S101, S102 and S103 in fig. 1, and details thereof can be found in the relevant introduction of fig. 1, and only a brief description thereof will be provided herein:
a locking contract issuing module 201, configured to issue a locking account contract on the blockchain through the first account; the locking account contract is used for controlling locking and unlocking of the second account.
And the locking module 202 is configured to, after issuing a contract through a second account on the blockchain, enable the locked account contract to have authority for controlling the second account, and invoke a lock interface of the locked account contract to lock the second account.
And the unlocking module 203 is configured to unlock the second account after the lock expires.
Further, referring to fig. 3, the lock contract issuing module 201 may specifically include an issuing unit 2011 and a setting unit 2012:
the issuing unit 2011 is configured to issue a locked account contract through the first account on the blockchain.
And a setting unit 2012, configured to change the public key of the first account to null, and set the authority to 1, so that the locked account contract cannot be modified.
Further, referring to fig. 4, the locking module 202 may specifically include a rights transfer unit 2021 and a calling unit 2022:
and the rights transfer unit 2021 is configured to set the locked account contract to have rights for controlling the second account after issuing the contract through the second account on the blockchain.
The invoking unit 2022 is configured to invoke a lock interface of the locked account contract, and enter a date for locking the second account in the locked account contract, and a public key that needs to be replaced when unlocking the second account, so as to lock the second account.
Further, referring to fig. 5, the unlocking module 203 may specifically include a modifying unit 2031 and an unlocking unit 2032:
a modifying unit 2031, configured to modify, after the lock expires, a control right of the second account to the public key through the locked account contract.
And an unlocking unit 2032, configured to unlock the second account through a private key corresponding to the public key.
In the blockchain-based account locking/unlocking device provided in fig. 2, a user authority type, namely, a code authority is newly established. After a certain contract is issued by the second account, the authority of the second account can be locked through the locking code of the contract of the locking account issued by the first account, then the second authority is unlocked after fixed time (or other conditions) is set, and then the certain contract issued by the second account can be used for upgrading or other operations. By this flexible and transparent method of operating the account number, it is ensured that no one can do any modification operation on the second account number during the locking period of the certain contract, if the certain contract can be modified, it means that the interests of the participants cannot be guaranteed, because the contract is a contract, and cannot be modified at will. And anybody can verify whether the second account is locked on the blockchain, anybody knows when the second account is unlocked, so that the information is open and transparent, no camera bellows operation exists, and further, a DApp (distributed application program) developer can conveniently display a certain contract issued by himself in a fair and transparent mode, after the fairness of the contract is ensured through locking, the certain contract can be upgraded after unlocking, the stability of the certain contract is ensured, the long-term stability of the DApp is further ensured, and the fair and transparent execution of the certain contract is ensured.
Fig. 6 is a schematic diagram of a terminal device according to an embodiment of the present application. As shown in fig. 6, the terminal device 6 of this embodiment includes: a processor 60, a memory 61, and a computer program 62 stored in the memory 61 and executable on the processor 60, such as a program for blocking/unlocking a blockchain-based account. The steps in the above-described method embodiments are implemented by the processor 60 when executing the computer program 62, for example, S101 to S103 shown in fig. 1. Alternatively, the processor 60, when executing the computer program 62, performs the functions of the modules/units of the apparatus embodiments described above, such as the functions of the modules 201 to 203 shown in fig. 2.
Illustratively, the computer program 62 may be partitioned into one or more modules/units that are stored in the memory 61 and executed by the processor 60 to complete the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing the specified functions, which instruction segments are used for describing the execution of the computer program 62 in the terminal device 6. For example, the computer program 62 may be partitioned into a lock contract issuing module 201, a lock module 202, and an unlocking module 203. (modules in the virtual device), each module specifically functions as follows:
a locking contract issuing module 201, configured to issue a locking account contract on the blockchain through the first account; the locking account contract is used for controlling locking and unlocking of the second account.
And the locking module 202 is configured to, after issuing a contract through a second account on the blockchain, enable the locking account contract to have authority for controlling the second account, and invoke a locking lock interface of the locking account contract to lock the second account.
And the unlocking module 203 is configured to unlock the second account after the lock expires.
The terminal device 6 may be a computing device such as a desktop computer, a notebook computer, a palm computer, a cloud server, etc. Terminal device 6 may include, but is not limited to, a processor 60, a memory 61. It will be appreciated by those skilled in the art that fig. 6 is merely an example of the terminal device 6 and does not constitute a limitation of the terminal device 6, and may include more or less components than illustrated, or may combine certain components, or different components, e.g., the terminal device may further include an input-output device, a network access device, a bus, etc.
The processor 60 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 61 may be an internal storage unit of the terminal device 6, such as a hard disk or a memory of the terminal device 6. The memory 61 may also be an external storage device of the terminal device 6, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the terminal device 6. Further, the memory 61 may also include both an internal storage unit and an external storage device of the terminal device 6. The memory 61 is used for storing the computer program as well as other programs and data required by the terminal device 6. The memory 61 may also be used for temporarily storing data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. 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 application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other manners. For example, the apparatus/terminal device embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical function division, and there may be additional divisions in actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (6)
1. A blockchain-based account locking/unlocking method, comprising:
issuing a locked account contract on the blockchain through the first account; the locking account contract is used for controlling locking and unlocking of the second account;
after issuing a contract through a second account on the blockchain, enabling the locked account contract to have authority for controlling the second account, and calling a locking interface of the locked account contract to lock the second account, wherein the method comprises the following steps: after issuing contracts through a second account on the blockchain, setting the locked account contract to have the authority for controlling the second account;
calling a lock interface of the locking account contract, and transmitting a date for locking the second account and a public key which needs to be replaced when unlocking the second account into the locking account contract so as to lock the second account;
unlocking the second account after the locking is expired;
the issuing of the locked account contract on the blockchain through the first account includes:
issuing a locked account contract on the blockchain through the first account;
and changing the public key of the first account into blank, and setting the authority to be 1 so that the contract of the locked account cannot be modified.
2. The blockchain-based account locking/unlocking method of claim 1, wherein the unlocking the second account number after the lock expires comprises:
when the locking is expired, modifying the control authority of the second account to the public key through the locking account contract;
and unlocking the second account through a private key corresponding to the public key.
3. A blockchain-based account locking/unlocking device, comprising:
the locking contract issuing module is used for issuing a locking account contract on the blockchain through the first account; the locking account contract is used for controlling locking and unlocking of the second account;
the locking module is used for enabling the locking account contract to have the authority for controlling the second account after the contract is issued through the second account on the blockchain, calling a locking lock interface of the locking account contract and locking the second account;
the unlocking module is used for unlocking the second account after the locking is expired;
wherein the lock contract issuing module includes:
the issuing unit is used for issuing a locking account contract on the blockchain through the first account;
the setting unit is used for changing the public key of the first account into null, and setting the authority to be 1 so that the contract of the locked account cannot be modified;
the locking module includes:
the permission transfer unit is used for setting the locked account contract to have permission for controlling the second account after the contract is issued through the second account on the blockchain;
the call unit is used for calling the lock interface of the locking account contract, inputting the date for locking the second account into the locking account contract, and unlocking the public key which needs to be replaced when the second account is unlocked, so as to lock the second account.
4. The blockchain-based account locking/unlocking device of claim 3, wherein the unlocking module includes:
the modification unit is used for modifying the control authority of the second account into the public key through the locking account contract after the locking is expired;
and the unlocking unit is used for unlocking the second account through a private key corresponding to the public key.
5. 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 1-2 when the computer program is executed.
6. A computer readable medium storing a computer program, characterized in that the computer program when being processed is executed to implement the steps of the method according to any one of claims 1-2.
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| CN109410061A (en) * | 2018-10-23 | 2019-03-01 | 深圳区块大陆科技有限公司 | The method for realizing supervision contract authorization with equality account on block chain |
| CN109993530A (en) * | 2019-03-29 | 2019-07-09 | 北京柏链基石科技有限公司 | A kind of virtual resource management method, device and electronic equipment |
| CN110096857A (en) * | 2019-05-07 | 2019-08-06 | 百度在线网络技术（北京）有限公司 | Right management method, device, equipment and the medium of block catenary system |
| CN110135848A (en) * | 2019-05-23 | 2019-08-16 | 北京亿生生网络科技有限公司 | Convertible note management method and device based on block chain |
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