CN106251216A - A kind of method and system for alleviating node storage pressure - Google Patents
A kind of method and system for alleviating node storage pressure Download PDFInfo
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- CN106251216A CN106251216A CN201610567480.9A CN201610567480A CN106251216A CN 106251216 A CN106251216 A CN 106251216A CN 201610567480 A CN201610567480 A CN 201610567480A CN 106251216 A CN106251216 A CN 106251216A
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Abstract
The invention discloses a kind of method and system for alleviating node storage pressure, relate to digital cash technical field, on the premise of ensureing not spend the source of transaction output can verify that, alleviate node storage pressure.Include for alleviating the method for node storage pressure: step S1, the confirmation height all blocks less than particular block do not spend the ratio of transaction output；Step S2, will not spend transaction output ratio compare with special ratios；Step S3, do not spend transaction output ratio less than or equal to special ratios time, initiate the most automatically proceed to transaction, automatically proceed to transaction with do not spend transaction output one_to_one corresponding；Step S4, deletion will not spend the block of transaction Output transfer.The present invention is applied in digital cash process of exchange.
Description
Technical field
The present invention relates to digital cash technical field, particularly relate to a kind of method for alleviating node storage pressure and be
System.
Background technology
Block chain due to its decentration, highly transparent, without trusting and the characteristic that cannot distort of data, the most constantly quilt
It is applied to every field, but the technical problem that the storage pressure being inevitably generated node constantly increases.With first district
As a example by block chain application bit coin, block chain data volume the most linearly increases, and current block size can not be by
The whole transaction being broadcast to recently in network include, after bit coin dilatation scheme is implemented in the future, and the data of block chain storage
Amount can increase faster, and this can cause the storage pressure of the complete node of bit coin (full node) increasing.
For solving the problems referred to above, prior art provides one to repair letter (prune) pattern, and the node operating in this pattern is permissible
Store the complete transaction that do not spends and export (unspent transaction outputs, be abbreviated as UTXO), block index, portion
Blockette data and traceback information, wherein, the block data of reservation and the size of traceback information can be specified by parameter.One
Node is when initializing completely, it is still desirable to start download area blocks of data from wound generation block, but when block data and traceback information
During more than size (N, unit is MB) specified in "-prune=N " parameter, then oldest block is deleted, continue to synchronize simultaneously
Relatively new block, and block data and traceback information are maintained the size that parameter is specified.
But, inventor finds, for upper type, however it remains some shortcomings, such as, after opening this pattern, although
The data volume of node storage is substantially reduced, but due to historical trading, no matter whether its transaction output is spent, and is the most deleted
Remove, then do not spend transaction output just cannot verify that it is originated, therefore, import wallet, import address, import the functions such as private key no longer
Support, cause user to use inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of method and system for alleviating node storage pressure, for ensureing not
On the premise of the source spending transaction output can verify that, alleviate node storage pressure.
For reaching above-mentioned purpose, the present invention provides a kind of method for alleviating node storage pressure, uses following technology
Scheme:
Include for alleviating the method for node storage pressure:
Step S1, confirmation height are less than the ratio not spending transaction output in all blocks of particular block；
Step S2, will not spend transaction output ratio compare with special ratios；
Step S3, do not spend transaction output ratio less than or equal to special ratios time, initiate the most automatically proceed to
Transaction, automatically proceeds to transaction and does not spends transaction output one_to_one corresponding；In automatically proceeding to transaction, input address and OPADD
It is the address not spending transaction output, the input amount of money and the output amount of money and is the amount of money not spending transaction output, with by this not
Spend transaction Output transfer in new block；
Step S4, deletion will not spend the block of transaction Output transfer.
Specifically, step S1 includes: by the way of all blocks that traversal height is less than particular block, inquiry includes not
Spend the block of transaction output, and confirm that height is less than the ratio not spending transaction output in all blocks of particular block.
Specifically, in step S2, special ratios is 0.01%～0.02%.
Specifically, step S3 includes:
When the ratio not spending transaction output is less than or equal to special ratios, determine the confirmation not spending transaction output
Number of times；
Necessary confirmation number of times corresponding for the confirmation number of times not spending transaction output is compared；
When the confirmation number of times not spending transaction output is more than or equal to the confirmation number of times of necessity of its correspondence, initiation is many
Secondary automatically proceeding to is concluded the business.
Alternatively, step S3 also includes:
When the confirmation number of times not spending transaction output is less than the confirmation number of times of necessity of its correspondence, do not initiate the most automatic
Proceeding to conclude the business, until not spending when confirming number of times more than or equal to the confirmation number of times of necessity of its correspondence of transaction output, sending out
Rise and the most automatically proceed to transaction.
Alternatively, step S3 also includes:
When the confirmation number of times not spending transaction output is less than the confirmation number of times of necessity of its correspondence, do not initiate the most automatic
Proceeding to transaction, it is H that note comprises the block height not spending transaction output of not up to confirmation number of times, and a transition altitude is less than H's
The transaction that do not spends in block exports.
Alternatively, the method storing pressure for alleviating node also includes:
When the ratio not spending transaction output is more than special ratios, setting new particular block, new particular block is high
Degree, less than old particular block, re-executes step S1, step S2, step S3 and step S4.
In the method storing pressure for alleviating node that the present invention provides, owing to first confirming that height is less than particular block
All blocks in do not spend transaction output ratio, then will not spend transaction output ratio compare with special ratios,
Again when the ratio not spending transaction output is less than or equal to special ratios, initiate the most automatically to proceed to transaction, automatically proceed to
Transaction exports one_to_one corresponding with not spending transaction, finally deletes the block that will not spend transaction Output transfer, thus is ensureing
On the premise of the source not spending transaction output can verify that, alleviate node storage pressure.
The present invention also provides for a kind of system for alleviating node storage pressure, and what this was used for alleviating node storage pressure is
System includes that ratio confirms module, ratio comparison module, transaction initiation module and removing module；
Wherein, ratio confirms that module is for confirming not spend in the height all blocks less than particular block transaction output
Ratio；
Ratio comparison module is for comparing the ratio not spending transaction output with special ratios；
When transaction initiation module is for being less than or equal to special ratios in the ratio not spending transaction output, initiate repeatedly
Automatically proceeding to transaction, in automatically proceeding to transaction, input address and OPADD are the address not spending transaction output, input
The amount of money and the output amount of money are the amount of money not spending transaction output, not spend transaction Output transfer in new block this；
Removing module will not spend the block of transaction Output transfer for deleting.
Alternatively, the system storing pressure for alleviating node also includes that number of times confirms module and number of times comparison module；Its
In,
When number of times confirms module for being less than or equal to special ratios in the ratio not spending transaction output, determine and do not spend
Take the confirmation number of times of transaction output；
Number of times comparison module is for entering necessary confirmation number of times corresponding for the confirmation number of times not spending transaction output
Row compares；
Transaction initiation module is for confirming necessary more than or equal to its correspondence of number of times do not spend transaction output
When confirming number of times, initiate the most automatically to proceed to transaction.
Alternatively, the system storing pressure for alleviating node also includes particular block setting module, wherein, particular block
Setting module is for being set particular block.
For alleviating the beneficial effect of the system of node storage pressure and the above-mentioned method for alleviating node storage pressure
Beneficial effect identical, the most no longer repeat.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 is the flow chart one of the method for alleviating node storage pressure in the embodiment of the present invention；
Fig. 2 is the flowchart 2 of the method for alleviating node storage pressure in the embodiment of the present invention；
Fig. 3 is the schematic diagram of the system for alleviating node storage pressure in the embodiment of the present invention.
Description of reference numerals:
1 ratio confirms module；2 ratio comparison modules；3 transaction initiation modules；
4 removing modules；5 times number confirms module；6 number comparison modules；
7 particular block setting modules.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Embodiment one
The embodiment of the present invention provides a kind of method (hereinafter referred to as method) for alleviating node storage pressure, such as Fig. 1
Shown in, the method includes:
Step S1, confirmation height are less than the ratio not spending transaction output in all blocks of particular block.
Wherein, particular block can be an existing up-to-date block, it is also possible to for one in existing block, this
Skilled person can consider the storage pressure of node at that time, method performs difficulty or ease and effect are rationally selected
Select, such as, when the number of blocks in block chain reaches 3000, can be particular block by the 1000th Block Set, also
Can be particular block by the 2000th Block Set.Certainly, the particular block of setting is the newest, if it meets follow-up each step
Execution condition, then after follow-up each step, it is possible to alleviate goodly node storage pressure.
Alternatively, step S1 is specifically, by the way of the traversal height all blocks less than particular block, inquiry includes
Do not spend the block of transaction output, and confirm that height is less than the ratio not spending transaction output in all blocks of particular block.
Step S2, will not spend transaction output ratio compare with special ratios.
For above special ratios, those skilled in the art can select according to actual needs, the embodiment of the present invention
This is not defined.Exemplarily, in the embodiment of the present invention, the span of above-mentioned special ratios is 0.01%～0.02%.
Step S3, do not spend transaction output ratio less than or equal to special ratios time, initiate the most automatically proceed to
Transaction, automatically proceeds to transaction and does not spends transaction output one_to_one corresponding.
Wherein, in automatically proceeding to transaction, input address and OPADD are the address not spending transaction output, input
The amount of money and the output amount of money are the amount of money not spending transaction output, not spend transaction Output transfer in new block this.
Automatically the input address and the OPADD that proceed to transaction due to these are same address, and the amount of money is identical, therefore, and input
Without subsidiary private key signature in script, output script is identical with creating this output script not spending transaction output, processes
Mode is simple.Automatically proceed to transaction to be initiated by the node possessing " book keeping operation " function.
Exemplarily, above-mentioned special ratios is 0.01%, and particular block is the 1000th block, in front 1000 blocks
Each block all includes 1000 transactions, and the transaction output that do not spends total in the most current 1000 blocks is less than or equal to
When 100, initiate the most automatically to proceed to transaction, automatically proceed to transaction and do not spend transaction output one_to_one corresponding.
Step S4, deletion will not spend the block of transaction Output transfer.
The block not spending transaction Output transfer is included multiple situation, example it should be noted that step S4 is deleted
As, delete all blocks of transaction Output transfer that will not spend, or, deletion part will not spend transaction Output transfer
Block.Those skilled in the art can take the circumstances into consideration deletion according to the storage capacity of node and will not spend the district of transaction Output transfer
Block.
It addition, the present invention is not necessarily suitable all nodes for alleviating the method for node storage pressure, such as, exist
In real process, for needing to safeguard the part of nodes of complete block chain data, such as block chain data query provider, this
The method that being used in bright alleviates node storage pressure is the most inapplicable.
In the method storing pressure for alleviating node that the present invention provides, owing to first confirming that height is less than particular block
All blocks in do not spend transaction output ratio, then will not spend transaction output ratio compare with special ratios,
Again when the ratio not spending transaction output is less than or equal to special ratios, initiate the most automatically to proceed to transaction, automatically proceed to
Transaction exports one_to_one corresponding with not spending transaction, finally deletes the block that will not spend transaction Output transfer, thus is ensureing
On the premise of the source not spending transaction output can verify that, alleviate node storage pressure.
It should be noted that in the process of exchange of digital cash, such as, in the process of exchange of bit coin, each transaction is all
Having the necessary confirmation number of times of its correspondence, transaction of especially coining (generation transaction) exports, when this transaction
Corresponding confirms that when number of times is less than necessary confirmation number of times, this transaction still suffers from the probability being revoked, should not be carried out
Transfer.
After in view of above-mentioned factor, in the embodiment of the present invention, above-mentioned steps S3 specifically includes: do not spending transaction output
Ratio less than or equal to special ratios time, determine do not spend transaction output confirmation number of times；Transaction output will not spent
The confirmation number of times of necessity that confirmation number of times is corresponding compares；Do not spend transaction output confirmation number of times more than or etc.
When the confirmation number of times of necessity of its correspondence, initiate the most automatically to proceed to transaction.
Further, step S3 also includes: be less than necessity of its correspondence really at the confirmation number of times not spending transaction output
When recognizing number of times, do not initiate the most automatically to proceed to transaction, until it is right not spend the confirmation number of times of transaction output to be more than or equal to it
During the necessary confirmation number of times answered, initiate the most automatically to proceed to transaction.
Or, step S3 also includes: do not spending the confirmation number of times necessary confirmation time less than its correspondence of transaction output
During number, not initiating the most automatically to proceed to transaction, the block height not spending transaction output that note comprises not up to confirmation number of times is
H, a transition altitude exports less than the transaction that do not spends in the block of H.
Optionally, in addition, the ratio not spending transaction output in height is less than all blocks of particular block is more than
During special ratios, the method storing pressure for alleviating node in the embodiment of the present invention also includes: do not spending transaction output
Ratio more than special ratios time, set new particular block, new particular block height, less than old particular block, is held again
Row step S1, step S2, step S3 and step S4.
Embodiment two
For the ease of skilled artisan understands that and implementing, below the embodiment of the present invention provide the most concrete a kind of use
In the method alleviating node storage pressure.
Specifically, as in figure 2 it is shown, this method being used for alleviating node storage pressure includes: confirm that height is less than given zone
All blocks of block do not spend the ratio of transaction output；The ratio not spending transaction output is compared with special ratios,
Judge the magnitude relationship of ratio and the special ratios not spending transaction output；If not spending the ratio of transaction output more than specific ratio
Example, then set new particular block, start anew；If the ratio not spending transaction output is less than or equal to special ratios, then
Determine the confirmation number of times not spending transaction output, it is judged that do not spend transaction output confirms the necessary confirmation that number of times is corresponding
The magnitude relationship of number of times；If do not spend transaction output confirms the number of times necessary confirmation number of times more than or equal to its correspondence,
Initiate the most automatically to proceed to transaction, delete and will not spend the block of transaction Output transfer；If not spending the confirmation of transaction output
Number of times, less than the necessary confirmation number of times of its correspondence, does not initiate the most automatically to proceed to transaction, until not spending transaction output really
When recognizing number of times more than or equal to the confirmation number of times of necessity of its correspondence, initiate the most automatically to proceed to transaction, delete and will not spend
Take the block of transaction Output transfer, or, it is H that note comprises the block height not spending transaction output of not up to confirmation number of times,
Transition altitude is less than not spending transaction output in the block of H.
Embodiment three
A kind of system for alleviating node storage pressure of embodiment of the present invention offer, specifically, as it is shown on figure 3, this use
Include that ratio confirms module 1, ratio comparison module 2, transaction initiation module 3 and deletes mould in the system alleviating node storage pressure
Block 4.
Wherein, ratio confirms that module 1 is for confirming not spend in the height all blocks less than particular block transaction output
Ratio；Ratio comparison module 2 is for comparing the ratio not spending transaction output with special ratios；Transaction initiation module
3, for when the ratio not spending transaction to export is less than or equal to special ratios, initiate the most automatically to proceed to transaction；Delete mould
Block 4 will not spend the block of transaction Output transfer for deleting.
Automatically proceeding in transaction above-mentioned, input address and OPADD are the address not spending transaction output, input
The amount of money and the output amount of money are the amount of money not spending transaction output, not spend transaction Output transfer in new block this.
During the use being used for alleviating the system of node storage pressure that the present invention provides, true owing to first passing through ratio
Recognize module 1 and confirm height less than the ratio not spending transaction output in all blocks of particular block, then passing ratio compares mould
The ratio not spending transaction output is compared by block 2 with special ratios, then is not spending transaction defeated by transaction initiation module 3
When the ratio gone out is less than or equal to special ratios, initiates the most automatically to proceed to transaction, automatically proceed to transaction and do not spend transaction
Output one_to_one corresponding, deletes the block that will not spend transaction Output transfer, thus does not spends in guarantee finally by removing module 4
On the premise of the source of expense transaction output can verify that, alleviate node storage pressure.
Alternatively, the system storing pressure for alleviating node also includes that number of times confirms module 5 and number of times comparison module 6；
Wherein, when number of times confirms module 5 for being less than or equal to special ratios in the ratio not spending transaction output, determine and do not spend
The confirmation number of times of transaction output；Number of times comparison module 6 confirms, for will not spend transaction output, necessity that number of times is corresponding
Confirmation number of times compare.Correspondingly, transaction initiation module 3 is for being more than at the confirmation number of times not spending transaction output
Or during equal to the confirmation number of times of necessity of its correspondence, initiate the most automatically to proceed to transaction.
Alternatively, the system storing pressure for alleviating node also includes particular block setting module 7, wherein, given zone
Block setting module 7 is for being set particular block.
It should be noted that be used for alleviating the correlative detail of the use process of the system of node storage pressure, this area skill
Art personnel in conjunction with the embodiments one and embodiment two described in content can learn, the most no longer repeat.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. the method being used for alleviating node storage pressure, it is characterised in that including:
Step S1, confirmation height are less than the ratio not spending transaction output in all blocks of particular block；
Step S2, will not spend transaction output ratio compare with special ratios；
Step S3, do not spend transaction output ratio less than or equal to special ratios time, initiate the most automatically proceed to transaction,
Automatically proceed to transaction and do not spend transaction output one_to_one corresponding；In automatically proceeding to transaction, input address and OPADD are
The address of transaction output, the input amount of money and the output amount of money is not spent to be the amount of money not spending transaction output, this not spent
Transaction Output transfer is in new block；
Step S4, deletion will not spend the block of transaction Output transfer.
Method for alleviating node storage pressure the most according to claim 1, it is characterised in that step S1 includes: logical
Crossing the traversal height mode less than all blocks of particular block, inquiry includes the block not spending transaction output, and confirms height
Degree is less than the ratio not spending transaction output in all blocks of particular block.
Method for alleviating node storage pressure the most according to claim 1, it is characterised in that specific ratio in step S2
Example is 0.01%～0.02%.
Method for alleviating node storage pressure the most according to claim 1, it is characterised in that step S3 includes:
When the ratio not spending transaction output is less than or equal to special ratios, determine the confirmation time not spending transaction output
Number；
Necessary confirmation number of times corresponding for the confirmation number of times not spending transaction output is compared；
When the confirmation number of times not spending transaction to export is more than or equal to the confirmation number of times of necessity of its correspondence, initiate repeatedly certainly
Dynamic proceeding to is concluded the business.
Method for alleviating node storage pressure the most according to claim 4, it is characterised in that step S3 also includes:
When the confirmation number of times not spending transaction output is less than the confirmation number of times of necessity of its correspondence, do not initiate the most automatically to proceed to
Concluding the business, until not spending when confirming number of times more than or equal to the confirmation number of times of necessity of its correspondence of transaction output, initiation is many
Secondary automatically proceeding to is concluded the business.
Method for alleviating node storage pressure the most according to claim 4, it is characterised in that step S3 also includes:
When the confirmation number of times not spending transaction output is less than the confirmation number of times of necessity of its correspondence, do not initiate the most automatically to proceed to
Transaction, it is H that note comprises the block height not spending transaction output of not up to confirmation number of times, the transition altitude block less than H
In do not spend transaction output.
Method for alleviating node storage pressure the most according to claim 1, it is characterised in that also include:
When the ratio not spending transaction output is more than special ratios, setting new particular block, new particular block height is low
In old particular block, re-execute step S1, step S2, step S3 and step S4.
8. the system storing pressure for alleviating node, it is characterised in that include that ratio confirms that module, ratio compare mould
Block, transaction initiation module and removing module；
Wherein, ratio confirms that module is for confirming not spend in the height all blocks less than particular block the ratio of transaction output
Example；
Ratio comparison module is for comparing the ratio not spending transaction output with special ratios；
When transaction initiation module is for being less than or equal to special ratios in the ratio not spending transaction output, initiate the most automatic
Proceeding to transaction, in automatically proceeding to transaction, input address and OPADD are the address not spending transaction output, input the amount of money
The amount of money not spending transaction output it is, not spend transaction Output transfer in new block this with the output amount of money；
Removing module will not spend the block of transaction Output transfer for deleting.
The system for alleviating node storage pressure in the most according to Claim 8, it is characterised in that also include that number of times confirms mould
Block and number of times comparison module；Wherein,
When number of times confirms module for being less than or equal to special ratios in the ratio not spending transaction output, determine and do not spend friendship
The easily confirmation number of times of output；
Number of times comparison module is for comparing necessary confirmation number of times corresponding for the confirmation number of times not spending transaction output
Relatively；
Transaction initiation module is not for spending the confirmation number of times necessary confirmation more than or equal to its correspondence of transaction output
During number of times, initiate the most automatically to proceed to transaction.
System for alleviating node storage pressure the most according to claim 8, it is characterised in that also include given zone
Block setting module, wherein, particular block setting module is for being set particular block.
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| CN112041873A (en) * | 2018-04-27 | 2020-12-04 | 区块链控股有限公司 | Block chain network partitioning |
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