CN109308605B - Electronic time capsule management method and system based on block chain - Google Patents
Electronic time capsule management method and system based on block chain Download PDFInfo
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- CN109308605B CN109308605B CN201811063631.2A CN201811063631A CN109308605B CN 109308605 B CN109308605 B CN 109308605B CN 201811063631 A CN201811063631 A CN 201811063631A CN 109308605 B CN109308605 B CN 109308605B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/109—Time management, e.g. calendars, reminders, meetings or time accounting
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
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Abstract
The invention discloses an electronic time capsule management method based on a block chain, which relates to the field of the block chain and comprises the following steps: firstly, acquiring a first electronic file and publishing configuration information input by a client node, and generating a first hash value of the first electronic file; then, the first electronic file is stored in a first storage service node by taking the first hash value as an index value; then, writing a first hash value and a first intelligent contract of the first electronic file into a block of the block chain; and finally, sending a publishing request aiming at the first electronic file to the first storage service node when the intelligent contract is executed. Meanwhile, the invention also discloses an electronic time capsule management system based on the block chain. In the invention, the electronic file is issued at regular time based on the block chain, so that electronic time capsule management is realized, the physical facility and space cost is lower, and meanwhile, the electronic time capsule management cost based on the block chain reduces the possibility of time capsule loss.
Description
Technical Field
The present invention relates to the field of block chains, and in particular, to a block chain-based electronic time capsule management method and system.
Background
The time capsule means that the representative goods created by the modern invention are filled in a container, sealed and buried deeply, and a time capable of opening the time capsule in the future is set. The representative goods created by modern invention are put into a container and sealed to be buried underground. People in that age can dig out the new research for several decades, hundreds of years and even thousands of years. This work is called placing a "time slot". Now, it has become a common practice for each world expo to host a city by burying its own "time slot". In 9 months in 2013, "time capsules" buried underground 30 years ago by steve and geobs, a founder of apple inc.
In the prior art, the time capsule needs to provide a space in the real physical world and store the time capsule, and the physical facility cost is high. Meanwhile, for some small-scale time capsule management parties, the traditional management mode is adopted, the loss rate of the time capsules is high, and users forget and the management parties do not know the loss rate.
Disclosure of Invention
In view of some defects in the prior art, the technical problem to be solved by the present invention is to provide an electronic time capsule management method based on a block chain, which aims to realize the timed publication of an electronic time capsule, reduce the management cost of the time capsule, and reduce the time capsule loss rate.
To achieve the above object, the present invention provides an electronic time capsule management method based on a block chain, the method comprising:
acquiring a first electronic file input by a client node and publishing configuration information of the first electronic file; the publishing configuration information comprises a publishing time of the first electronic file;
executing a hash value solving operation on the first electronic file to generate a first hash value of the first electronic file;
storing the first electronic file in a first storage service node by taking the first hash value as an index value of the first electronic file;
writing the first hash value and a first intelligent contract of the first electronic file into a block of a block chain; the triggering conditions of the first intelligent contract are as follows: the network time of the current block chain is later than the publishing time of the first electronic file; the execution content of the first intelligent contract is as follows: responding to the trigger condition, and generating a publishing execution instruction of the first electronic file;
sending a publication request for the first electronic file to the first storage service node in response to the publication execution instruction; the index value of the publication request is the first hash value.
In the technical scheme, the electronic file is published at regular time based on the block chain, electronic time capsule management is realized, compared with the traditional time capsule, on one hand, the cost of physical facilities and space is lower, on the other hand, the electronic time capsule management cost can be reduced, the possibility of time capsule loss is reduced, and the problems that the management party does not pay attention to the management and the service is not in place due to the fact that the time capsule user of an individual user forgets the time capsule user are also reduced. Meanwhile, the block chain network can automatically run by adopting the block chain intelligent contract management time capsule, so that the risk of improper manual management is reduced. In addition, the electronic file is adopted, the content contained in the time capsule can be widened, and the electronic time capsule can be formed by electronizing the general advice, the letter or some content needing to be published in a delayed mode.
In a specific embodiment, the method further comprises:
receiving a second electronic file sent by the first storage service node in response to the publishing request;
performing a hash value solving operation on the second electronic file to generate a second hash value of the second electronic file;
comparing the first hash value to a second hash value;
and if the first hash value is the same as the second hash value, publishing the second electronic file.
In the technical scheme, the received second hash value of the second electronic file is matched with the first hash value, so that the second electronic file given by the first storage service node is prevented from being not the same as the original first electronic file, the first storage service node is prevented from being counterfeited, and meanwhile, the file publication error is also avoided.
Alternatively, the publication form may be an on-chain publication, an off-chain publication, an on-chain and off-chain combination publication.
Optionally, the publishing form is network publishing.
Alternatively, the publication is in the form of a publication.
In one embodiment, the writing the first hash value and the first intelligent contract of the first electronic file into a block of a block chain further includes:
disclosing a fact that the first electronic file corresponding to the first hash value is to be published at the publication time.
According to the technical scheme, when the first intelligent contract is written into the block chain, the fact that the first electronic file is published in advance, so that the first electronic file is prevented from being selectively unpublished subsequently, and a user is prevented from preparing a plurality of publication texts and selecting the publication texts which are beneficial to the user; and the fact that a file will be published is already disclosed, and at the same time, the hash value of the file is disclosed, which can ensure that the file is not replaced in the future, nor selectively disclosed.
Optionally, the blockchain network time is obtained from a designated at least one timeserver.
Optionally, the network time of the block chain is determined according to the current block sequence number of the block chain.
In a specific embodiment, the method further comprises:
acquiring the publishing time of the first electronic file;
solving the publication block serial number matched with the publication time;
setting the triggering conditions of the first intelligent contract as follows: the latest block sequence number of the block chain network is the published block sequence number.
In the technical scheme, the block number is used as a standard for judging the time, and the time can be identified when the whole block chain is not running, so that the time of a time server is avoided from being adopted and the publishing time of the first electronic file is controlled by the time server.
In a specific embodiment, the method further comprises:
receiving a second electronic file sent by the first storage service node in response to the publishing request;
performing a hash value solving operation on the second electronic file to generate a second hash value of the second electronic file;
comparing the first hash value to a second hash value;
if the first hash value is different from the second hash value, triggering a second intelligent contract; the execution content of the second intelligent contract is as follows: the preset default liability that the first storage service node loses the first electronic file is researched; the preset breach liability is specified by the first storage service node and the client node.
In the technical scheme, if the first storage service node fails to provide the second electronic file which is the same as the first electronic file, the first storage service node needs to have default responsibility, and the first electronic file loss responsibility is increased, so that the first storage service node is driven to reduce the loss rate of the electronic time capsules.
In a second aspect the present invention provides a blockchain based electronic time capsule management system, the system comprising:
the service acquisition module is used for acquiring a first electronic file input by a client node and publishing configuration information of the first electronic file; the publishing configuration information comprises a publishing time of the first electronic file;
the hash solving module is used for executing hash value solving operation on the first electronic file to generate a first hash value of the first electronic file;
the file storage module is used for taking the first hash value as an index value of the first electronic file and storing the first electronic file in a first storage service node;
the service uplink module is used for writing the first hash value and the first intelligent contract of the first electronic file into a block of a block chain; the triggering conditions of the first intelligent contract are as follows: the network time of the current block chain is later than the publishing time of the first electronic file; the execution content of the first intelligent contract is as follows: responding to the trigger condition, and generating a publishing execution instruction of the first electronic file;
the advertisement triggering module is used for responding to the publishing execution instruction and sending a publishing request aiming at the first electronic file to the first storage service node; the index value of the publication request is the first hash value.
In a specific embodiment, the system further includes an advertisement execution module, and the advertisement execution module includes:
a storage receiving unit, configured to receive a second electronic file sent by the first storage service node in response to the publication request;
the storage Hash solving unit is used for executing Hash value solving operation on the second electronic file to generate a second Hash value of the second electronic file;
a storage verification unit for comparing the first hash value with a second hash value;
and the storage publishing unit is used for responding to the first hash value and the second hash value and publishing the second electronic file.
Alternatively, the publication form may be an on-chain publication, an off-chain publication, an on-chain and off-chain combination publication.
Optionally, the publishing form is network publishing.
Alternatively, the publication is in the form of a publication.
In an embodiment, the service uplink module further includes:
a fact disclosure unit, configured to disclose a fact that the first electronic file corresponding to the first hash value is to be published at the publication time.
Optionally, the blockchain network time is obtained from a designated at least one timeserver.
Optionally, the network time of the block chain is determined according to the current block sequence number of the block chain.
In one embodiment, the system further comprises a notification block setting module, wherein the notification block setting module comprises:
a publication time obtaining unit, configured to obtain the publication time of the first electronic file;
the publishing block solving unit is used for solving the publishing block serial number matched with the publishing time;
a publishing trigger setting unit, configured to set a trigger condition of the first intelligent contract to be: the latest block sequence number of the block chain network is the published block sequence number.
In one embodiment, the system further includes a breach of custody pursuit module configured to trigger a second intelligent contract in response to the first hash value being different from the second hash value; wherein the execution content of the second intelligent contract is: the preset default liability that the first storage service node loses the first electronic file is researched; the preset breach liability is specified by the first storage service node and the client node.
The invention has the beneficial effects that: in the invention, the electronic file is published at regular time based on the block chain, electronic time capsule management is realized, compared with the traditional time capsule, on one hand, the cost of physical facilities and space is lower, on the other hand, the electronic time capsule management cost can be reduced, the possibility of time capsule loss is reduced, and the problems that the management party does not pay attention to the management and the service is not in place due to the fact that the time capsule user of an individual user forgets the time capsule user are also reduced. Meanwhile, the block chain network can automatically run by adopting the block chain intelligent contract management time capsule, so that the risk of improper manual management is reduced. In addition, the electronic file is adopted, the content contained in the time capsule can be widened, and the electronic time capsule can be formed by electronizing the general advice, the letter or some content needing to be published in a delayed mode.
Drawings
FIG. 1 is a flow chart of a block chain based electronic time capsule management method in accordance with an embodiment of the present invention;
fig. 2 is a block diagram of an electronic time capsule management system based on a block chain according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-2, in a first embodiment of the present invention, there is provided a block chain based electronic time capsule management method, the method comprising:
acquiring a first electronic file input by a client node and publishing configuration information of the first electronic file; the publishing configuration information comprises a publishing time of the first electronic file;
executing a hash value solving operation on the first electronic file to generate a first hash value of the first electronic file;
storing the first electronic file in a first storage service node by taking the first hash value as an index value of the first electronic file;
writing the first hash value and a first intelligent contract of the first electronic file into a block of a block chain; the triggering conditions of the first intelligent contract are as follows: the network time of the current block chain is later than the publishing time of the first electronic file; the execution content of the first intelligent contract is as follows: responding to the trigger condition, and generating a publishing execution instruction of the first electronic file;
sending a publication request for the first electronic file to the first storage service node in response to the publication execution instruction; the index value of the publication request is the first hash value.
In this embodiment, further, the method further includes:
receiving a second electronic file sent by the first storage service node in response to the publishing request;
performing a hash value solving operation on the second electronic file to generate a second hash value of the second electronic file;
comparing the first hash value to a second hash value;
and if the first hash value is the same as the second hash value, publishing the second electronic file.
Alternatively, the publication form may be an on-chain publication, an off-chain publication, an on-chain and off-chain combination publication.
Optionally, the publishing form is network publishing.
Alternatively, the publication is in the form of a publication.
In this embodiment, the writing the first hash value and the first intelligent contract of the first electronic file into a block of a block chain further includes:
disclosing a fact that the first electronic file corresponding to the first hash value is to be published at the publication time.
Optionally, the blockchain network time is obtained from a designated at least one timeserver.
Optionally, the network time of the block chain is determined according to the current block sequence number of the block chain.
In this embodiment, the method further includes:
acquiring the publishing time of the first electronic file;
solving the publication block serial number matched with the publication time;
setting the triggering conditions of the first intelligent contract as follows: the latest block sequence number of the block chain network is the published block sequence number.
Since the time for solving the published block number is not uniformly increased, the published block number can be solved again when the error of the solved published block number is large. Optionally, the published block number is re-solved according to a relationship between the latest block number of the block chain network and the display world time.
Optionally, the number of the first storage service nodes is not less than 1.
In this embodiment, the optional method further includes:
receiving a second electronic file sent by the first storage service node in response to the publishing request;
performing a hash value solving operation on the second electronic file to generate a second hash value of the second electronic file;
comparing the first hash value to a second hash value;
if the first hash value is different from the second hash value, triggering a second intelligent contract; the execution content of the second intelligent contract is as follows: the preset default liability that the first storage service node loses the first electronic file is researched; the preset breach liability is specified by the first storage service node and the client node.
It is worth mentioning that before the first storage service node sends the second electronic file, the first storage service node performs hash value operation, so as to avoid oolong.
It should be noted that, in order to publish the second electronic file in the blockchain network, other nodes on the blockchain network may identify the event of publishing the second electronic file in the blockchain network after matching and confirming the first hash value and the second hash value again.
It is worth mentioning that the intelligent contracts generally adopt a graph-based language, and the preset default liability can be written into the second intelligent contract.
Optionally, the first intelligent contract and the second intelligent contract can be merged into the same intelligent contract.
It is worth mentioning that the storage mode of the first electronic file may be on-chain storage or off-chain storage; the storage space of the blockchain network can be saved by the down-link storage, and correspondingly, the storage can be performed on a plurality of storage server nodes in order to avoid loss. Meanwhile, the first electronic file may be stored in the blockchain network, and optionally, in order to save the storage space of the blockchain network, the first electronic file may be stored in a plurality of main blockchain link points.
In a second embodiment of the present invention, there is provided a blockchain-based electronic time capsule management system, the system comprising:
the service acquisition module 100 is configured to acquire a first electronic file input by a client node and publishing configuration information of the first electronic file; the publishing configuration information comprises a publishing time of the first electronic file;
a hash solving module 200, configured to perform a hash value solving operation on the first electronic file to generate a first hash value of the first electronic file;
the file storage module 300 is configured to store the first electronic file in a first storage service node by using the first hash value as an index value of the first electronic file;
a service chaining module 400, configured to write the first hash value and the first intelligent contract of the first electronic file into a block of a block chain; the triggering conditions of the first intelligent contract are as follows: the network time of the current block chain is later than the publishing time of the first electronic file; the execution content of the first intelligent contract is as follows: responding to the trigger condition, and generating a publishing execution instruction of the first electronic file;
an advertisement triggering module 500, configured to send, in response to the publication execution instruction, a publication request for the first electronic file to the first storage service node; the index value of the publication request is the first hash value.
In this embodiment, further, the system further includes an advertisement execution module 600, and the advertisement execution module 600 includes:
a storage receiving unit, configured to receive a second electronic file sent by the first storage service node in response to the publication request;
the storage Hash solving unit is used for executing Hash value solving operation on the second electronic file to generate a second Hash value of the second electronic file;
a storage verification unit for comparing the first hash value with a second hash value;
and the storage publishing unit is used for responding to the first hash value and the second hash value and publishing the second electronic file.
Alternatively, the publication form may be an on-chain publication, an off-chain publication, an on-chain and off-chain combination publication.
Optionally, the publishing form is network publishing.
Alternatively, the publication is in the form of a publication.
In this embodiment, the service uplink module 400 further includes:
a fact disclosure unit, configured to disclose a fact that the first electronic file corresponding to the first hash value is to be published at the publication time.
Optionally, the blockchain network time is obtained from a designated at least one timeserver.
Optionally, the network time of the block chain is determined according to the current block sequence number of the block chain.
In this embodiment, the system further includes a notification block setting module 700, where the notification block setting module 700 includes:
a publication time obtaining unit, configured to obtain the publication time of the first electronic file;
the publishing block solving unit is used for solving the publishing block serial number matched with the publishing time;
a publishing trigger setting unit, configured to set a trigger condition of the first intelligent contract to be: the latest block sequence number of the block chain network is the published block sequence number.
Since the time for solving the published block number is not uniformly increased, the published block number can be solved again when the error of the solved published block number is large. Optionally, the published block number is re-solved according to a relationship between the latest block number of the block chain network and the display world time.
Optionally, the number of the first storage service nodes is not less than 1.
In this embodiment, optionally, the system further includes a breach of custody pursuit module 800, configured to trigger a second intelligent contract in response to the first hash value being different from the second hash value; wherein the execution content of the second intelligent contract is: the preset default liability that the first storage service node loses the first electronic file is researched; the preset breach liability is specified by the first storage service node and the client node.
It is worth mentioning that the intelligent contracts generally adopt a graph-based language, and the preset default liability can be written into the second intelligent contract.
Optionally, the first intelligent contract and the second intelligent contract can be merged into the same intelligent contract.
It is worth mentioning that the storage mode of the first electronic file may be on-chain storage or off-chain storage; the storage space of the blockchain network can be saved by the down-link storage, and correspondingly, the storage can be performed on a plurality of storage server nodes in order to avoid loss. Meanwhile, the first electronic file may be stored in the blockchain network, and optionally, in order to save the storage space of the blockchain network, the first electronic file may be stored in a plurality of main blockchain link points.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A block chain based electronic time capsule management method, the method comprising:
acquiring a first electronic file input by a client node and publishing configuration information of the first electronic file; the publishing configuration information comprises a publishing time of the first electronic file;
executing a hash value solving operation on the first electronic file to generate a first hash value of the first electronic file;
storing the first electronic file in a first storage service node by taking the first hash value as an index value of the first electronic file;
writing the first hash value and a first intelligent contract of the first electronic file into a block of a block chain; the triggering conditions of the first intelligent contract are as follows: the newest block serial number of the block chain network is a published block serial number; the execution content of the first intelligent contract is as follows: responding to the trigger condition, and generating a publishing execution instruction of the first electronic file; wherein, the setting step of the publishing block number comprises the following steps: acquiring the publication time of the first electronic file, and solving the publication block serial number matched with the publication time;
sending a publication request for the first electronic file to the first storage service node in response to the publication execution instruction; the index value of the publication request is the first hash value;
receiving a second electronic file sent by the first storage service node in response to the publishing request;
performing a hash value solving operation on the second electronic file to generate a second hash value of the second electronic file;
comparing the first hash value to a second hash value;
and if the first hash value is the same as the second hash value, publishing the second electronic file.
2. The block chain-based electronic time capsule management method according to claim 1, wherein said writing the first hash value and first smart contract of the first electronic file into a block of a block chain further comprises:
disclosing a fact that the first electronic file corresponding to the first hash value is to be published at the publication time.
3. The block chain based electronic time capsule management method of claim 1, further comprising:
receiving a second electronic file sent by the first storage service node in response to the publishing request;
performing a hash value solving operation on the second electronic file to generate a second hash value of the second electronic file;
comparing the first hash value to a second hash value;
if the first hash value is different from the second hash value, triggering a second intelligent contract; the execution content of the second intelligent contract is as follows: the preset default liability that the first storage service node loses the first electronic file is researched; the preset breach liability is specified by the first storage service node and the client node.
4. An electronic time capsule management system based on a blockchain, the system comprising:
the service acquisition module is used for acquiring a first electronic file input by a client node and publishing configuration information of the first electronic file; the publishing configuration information comprises a publishing time of the first electronic file;
the hash solving module is used for executing hash value solving operation on the first electronic file to generate a first hash value of the first electronic file;
the file storage module is used for taking the first hash value as an index value of the first electronic file and storing the first electronic file in a first storage service node;
the service uplink module is used for writing the first hash value and the first intelligent contract of the first electronic file into a block of a block chain; the triggering conditions of the first intelligent contract are as follows: the newest block serial number of the block chain network is a published block serial number; the execution content of the first intelligent contract is as follows: responding to the trigger condition, and generating a publishing execution instruction of the first electronic file;
the advertisement triggering module is used for responding to the publishing execution instruction and sending a publishing request aiming at the first electronic file to the first storage service node; the index value of the publication request is the first hash value;
the system comprises an announcement execution module and an announcement block setting module;
the announcement execution module includes:
a storage receiving unit, configured to receive a second electronic file sent by the first storage service node in response to the publication request;
the storage Hash solving unit is used for executing Hash value solving operation on the second electronic file to generate a second Hash value of the second electronic file;
a storage verification unit for comparing the first hash value with a second hash value;
the storage publishing unit is used for responding to the first hash value and the second hash value and publishing the second electronic file;
the advertisement block setting module comprises:
a publication time obtaining unit, configured to obtain the publication time of the first electronic file;
the publishing block solving unit is used for solving the publishing block serial number matched with the publishing time;
and the publishing trigger setting unit is used for setting the trigger condition of the first intelligent contract.
5. The blockchain-based electronic time capsule management system of claim 4, wherein the service uplink module further comprises:
a fact disclosure unit, configured to disclose a fact that the first electronic file corresponding to the first hash value is to be published at the publication time.
6. The blockchain-based electronic time capsule management system of claim 4, wherein the system further comprises a breach of accountability module for triggering a second smart contract in response to the first hash value being different from the second hash value; wherein the execution content of the second intelligent contract is: the preset default liability that the first storage service node loses the first electronic file is researched; the preset breach liability is specified by the first storage service node and the client node.
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| CN110601955B (en) * | 2019-09-06 | 2022-04-19 | 创新先进技术有限公司 | Block chain-based e-mail delivery method, device and equipment |
| CN111031041A (en) * | 2019-12-13 | 2020-04-17 | 山东众阳健康科技集团有限公司 | Block chain-based data uplink storage method, system, medium and equipment |
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