CN109840848A - Transaction optimization method and system, storage medium and terminal based on ether mill - Google Patents
Transaction optimization method and system, storage medium and terminal based on ether mill Download PDFInfo
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- CN109840848A CN109840848A CN201910021493.XA CN201910021493A CN109840848A CN 109840848 A CN109840848 A CN 109840848A CN 201910021493 A CN201910021493 A CN 201910021493A CN 109840848 A CN109840848 A CN 109840848A
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 238000005457 optimization Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008859 change Effects 0.000 claims description 11
- 230000015654 memory Effects 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 9
- 230000005055 memory storage Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The present invention provides a kind of transaction optimization method and system, storage medium and terminal based on ether mill, comprising the following steps: judges that the type of transaction traded caused by Dapp, the type of transaction include general transaction and basis transaction；It for the transaction traded based on type of transaction, is executed according to the first priority, and Gas expense is collected based on the first predetermined manner；It is the transaction of general transaction for type of transaction, is executed according to the second priority, and Gas expense is collected based on the second predetermined manner.Division based on transaction optimization method and system, storage medium and the terminal in ether mill according to the significance level of transaction, for transaction progress grade of the invention；For different grades of transaction, different Gas expenses is collected, so that user be encouraged to generate the type of transaction benefited for community, improves the transaction quality in ether mill and the utilization rate of entire block chain.
Description
Technical field
The present invention relates to the technical field of data processing, more particularly to a kind of transaction optimization method based on ether mill and
System, storage medium and terminal.
Background technique
Block chain is the novel of the computer technologies such as Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm
Application model.For narrow sense, block chain is that data block is combined by one kind in such a way that sequence is connected sequentially in time
A kind of linked data structure, and the distributed account book that can not be distorted He can not forge guaranteed in a manner of cryptography.Broadly,
Block chain technology be verified using block linked data structure algorithm of knowing together with storing data, using distributed node generating and
More new data, utilizes what is be made of automatized script code at the safety for guaranteeing data transmission and access in the way of cryptography
Intelligent contract programs the completely new distributed basis framework and calculation of one kind with operation data.
Ether mill (Ethereum) is the public block platform chain for having intelligent contract function of an open source, dedicated by its
Encryption currency ether coin (Ether) provides the virtual machine of decentralization to handle point-to-point contract.With the universal of block chain with
It uses, ether mill is gradually received by everybody as basic chain.More and more companies or individual are desirable on ether mill
One's own distributed application program (Decentralized Application, Dapp) solution is built, to mention
For corresponding block chain business solution.
The running environment in ether mill, also referred to as ether mill virtual machine.The node for each participating in network can run EVM
A part as block indentification protocol.Full node in each network can carry out identical calculating and store identical value.
Contract execution can be repeated as many times as required in all nodes, and anyone can issue execution contract, this executes contract
Consumption it is very expensive, so for prevent ether mill network occur calculated attack or abuse, ether mill agreement regulation friendship
Easily or each calculation step of contract calling requires to charge.This expense is using Gas as unit count, that is, the combustion being commonly called as
Material.It is used to do Gas use it means that the developer of Dapp needs to prepare certain ether coin.Meanwhile every transaction is all wrapped
Containing GasLimit (fuel limitation quantity).If Gas quantity used in the operation of the transaction is less than or equal to set
GasLimit, transaction will be dealt with.But if Gas wastage in bulk or weight is more than GasLimit, all operations can be all reset, but formality
Expense can be still charged for.Block chain can show that this transaction is completed to attempt, but because cause without the enough Gas of offer all
Contract order is all reconditioned.Block GasLimit is most Gas total amounts that single block allows, and can be used to determine with this single
How many transaction can be packaged in block.For example, if the GasLimit for having 5 transactions is 10,20,30,40 and 50. blocks respectively
GasLimit is 100, then preceding 4 transaction can be successfully packaged into this block.Miner has the right to determine to trade which
It is packaged into block.So into this block (50+40), then again another miner, which can choose, is packaged last two transaction
First transaction is packaged (10).But if attempting for a transaction that will use more than current block GasLimit to be packaged,
This trade fair is refused by network, and ether mill client can feedback error " transaction is more than block GasLimit ".
The Gas expense that ether mill is collected, and some revocable value, but ether at that time is performed according to transaction
Mill Network status obtains after calculating.Therefore above-mentioned Gas charge method has the following deficiencies:
(1) whenever, anyone transaction be not identified execution before exact can not all know that transaction needs to prop up
The Gas expense paid.Even if exchange hour is close, the Gas expense that exchange collects is also entirely different.So, when with
Family, since the Gas expense that can not pay needs is accurately estimated, causes often to will appear use when accessing ether mill
Family is that the Gaslimit expense that this exchange uses is insufficient, the situation for causing transaction that can not be driven into block.While by
In the presence of Gas, so that Dapp always worries this expense when accessing ether mill.When trading volume is big after all, this
It is also a considerable expense.
(2) ether mill makes no exception for All Activity, does not distinguish the superiority and inferiority quality of transaction, does not distinguish grade, in this way
Although having achieved the purpose that equality, also results in much benign transaction contributive for ether mill community and much have no
The pernicious transaction operation mixed in together of meaning.Wherein, benign transaction refers to that those can bring flow to ether mill, improve with
Too mill popularity, and the use of block chain technology is that user brings transaction caused by the Dapp of change.Pernicious transaction refers to
False block chain application, which is that whether there is or not block chains, cannot bring transaction caused by the Dapp of any operational change to user.By
The transaction included in the block of ether mill is limited, while the limitation of mine speed is dug in ether mill, if largely there is pernicious transaction
When, it just will appear the phenomenon that bad money drives out good money, rubbish transaction caused to occupy block transaction, and benign transaction can not slowly be beaten
Packet enters the case where block.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of transaction based on ether mill is excellent
Change method and system, storage medium and terminal, according to the significance level of transaction, the division of grade is carried out for transaction；For not
Different Gas expenses is collected in the transaction of ad eundem, so that user be encouraged to generate the type of transaction benefited for community, is improved
The utilization rate of the transaction quality in ether mill and entire block chain.
In order to achieve the above objects and other related objects, the present invention provides a kind of transaction optimization method based on ether mill,
The following steps are included: judging the type of transaction traded caused by Dapp, the type of transaction includes that general transaction and basis are handed over
Easily；It for the transaction traded based on type of transaction, is executed according to the first priority, and Gas is collected based on the first predetermined manner
Expense；It is the transaction of general transaction for type of transaction, is executed according to the second priority, and is collected based on the second predetermined manner
Gas expense.
In one embodiment of the invention, the basis transaction is to refer to give too mill to bring flow, improves ether mill and knows
Name degree, and the use of block chain technology is that user brings transaction caused by the Dapp of change；The general transaction is the basis
Transaction other than transaction.
In one embodiment of the invention, first predetermined manner is to exempt Gas expense or collect Gas according to certain discount
Expense.
In one embodiment of the invention, second predetermined manner is to be collected according to Gas=Gas Used*Gas Price
Gas expense, wherein Gas Used expression has used Gas value, and Gas Price indicates Gas price.
Accordingly, the present invention provides a kind of transaction optimization system based on ether mill, including judgment module, the first processing mould
Block and Second processing module；
The judgment module is used for the type of transaction for judging to trade caused by Dapp, and the type of transaction includes common hands over
Easily trade with basis；
The first processing module is used for the transaction for trading based on type of transaction, executes according to the first priority,
And Gas expense is collected based on the first predetermined manner；
The Second processing module is used for the transaction for type of transaction for general transaction, executes according to the second priority,
And Gas expense is collected based on the second predetermined manner.
In one embodiment of the invention, the basis transaction is to refer to give too mill to bring flow, improves ether mill and knows
Name degree, and the use of block chain technology is that user brings transaction caused by the Dapp of change；The general transaction is the basis
Transaction other than transaction.
In one embodiment of the invention, first predetermined manner is to exempt Gas expense or collect Gas according to certain discount
Expense.
In one embodiment of the invention, second predetermined manner is to be collected according to Gas=Gas Used*Gas Price
Gas expense, wherein Gas Used expression has used Gas value, and Gas Price indicates Gas price.
The present invention provides a kind of storage medium, is stored thereon with computer program, realization when which is executed by processor
The above-mentioned transaction optimization method based on ether mill.
Finally, the present invention provides a kind of terminal, comprising: processor and memory；
The memory is for storing computer program；
The processor is used to execute the computer program of the memory storage, so that the terminal executes above-mentioned base
Transaction optimization method in ether mill.
As described above, transaction optimization method and system, storage medium and the terminal of the present invention based on ether mill, tool
Have it is following the utility model has the advantages that
(1) by the significance level according to transaction, the division of grade is carried out for transaction；For different grades of transaction, receive
Different Gas expenses is taken, ensure that the smooth execution of benign transaction；
(2) it reduces user and accesses the threshold in ether mill, and user is encouraged to generate the type of transaction benefited for community；
(3) the transaction quality in ether mill and the utilization rate of entire block chain are improved；
(4) it is particularly suitable for the podcast chain (Bokerchain) of ether mill code extensions exploitation.
Detailed description of the invention
Fig. 1 is shown as the flow chart of the invention based on the transaction optimization method in ether mill in an embodiment；
Fig. 2 is shown as the structural schematic diagram of the invention based on the transaction optimization system in ether mill in an embodiment；
Fig. 3 is shown as the structural schematic diagram of terminal of the invention in an embodiment.
Component label instructions
21 judgment modules
22 first processing modules
23 Second processing modules
31 processors
32 memories
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
It is of the invention based on transaction optimization method and system, storage medium and the terminal in ether mill according to the important journey of transaction
Degree carries out transaction the division of grade；Different grades of transaction is collected not using the processing mode of different priorities
Same Gas expense reduces pernicious transaction bring pair and makees so that user be encouraged to generate the type of transaction benefited for community
With improving the transaction quality in ether mill and the utilization rate of entire block chain.
As shown in Figure 1, in an embodiment, the transaction optimization method of the invention based on ether mill the following steps are included:
Step S1, judge the type of transaction traded caused by Dapp, the type of transaction includes general transaction and basis
Transaction.
Specifically, in ether mill, its type of transaction is first determined whether for transaction caused by Dapp.It hands in the present invention
Easy type mainly includes general transaction and basis transaction two types.Wherein, the basis transaction is to refer to give too mill band
Carry out flow, improve ether mill popularity, and the use of block chain technology is that user brings transaction caused by the Dapp of change；It is described
General transaction is the transaction other than the basis transaction.In brief, the basis transaction refers to benign transaction, and general transaction is
Refer to the All Activity other than benign transaction.
Preferably, a type of transaction field is extended in the transaction caused by the Dapp, is based on the type of transaction word
The type of transaction of the bright transaction of segment table.
Step S2, it for the transaction traded based on type of transaction, is executed according to the first priority, and default based on first
Mode collects Gas expense.
Specifically, for different type of transaction, it is set with different execution priorities.Wherein, basis transaction is first
Priority, general transaction are the second priority.It is preferential to execute basis transaction when carrying out transaction verification.In the prior art, with
Execution priority of trading too in mill is determined that therefore, the present invention is mentioned by the way that highest Gas Price is arranged by Gas Price
The execution priority of higher baseline transaction.
In order to encourage basic transaction, when trading based on the transaction, Gas expense is collected using the first predetermined manner.
Wherein, first predetermined manner can be release Gas expense, or Gas expense is collected according to certain discount, thus
Accelerate on the basis of executing transaction, further promotes the execution of basis transaction.
Step S3, it is the transaction of general transaction for type of transaction, is executed according to the second priority, and is default based on second
Mode collects Gas expense.
Specifically, it for the general transaction of non-basic transaction, is executed according to the first priority, and is received according in full
The mode taken collects Gas expense.Specifically, the Gas expense Gas=Gas Used*Gas Price collected, wherein Gas Used
Expression has used Gas value, and Gas Price indicates Gas price.
It should be noted that the Gas expense of first predetermined manner can be based on the Gas expense of second predetermined manner
Carry out certain discount.
Further, the transaction optimization method of the invention based on ether mill is suitable for broadcasting for ether mill code extensions exploitation
Objective chain (Bokerchain).
As shown in Fig. 2, the transaction optimization system of the invention based on ether mill includes judgment module in an embodiment
21, first processing module 22 and Second processing module 23.
Judgment module 21 is used for the type of transaction for judging to trade caused by Dapp, and the type of transaction includes general transaction
It trades with basis.
Specifically, in ether mill, its type of transaction is first determined whether for transaction caused by Dapp.It hands in the present invention
Easy type mainly includes general transaction and basis transaction two types.Wherein, the basis transaction is to refer to give too mill band
Carry out flow, improve ether mill popularity, and the use of block chain technology is that user brings transaction caused by the Dapp of change；It is described
General transaction is the transaction other than the basis transaction.In brief, the basis transaction refers to benign transaction, and general transaction is
Refer to the All Activity other than benign transaction.
Preferably, a type of transaction field is extended in the transaction caused by the Dapp, is based on the type of transaction word
The type of transaction of the bright transaction of segment table.
First processing module 22 is connected with judgment module 21, for the transaction for trading based on type of transaction, according to
First priority executes, and collects Gas expense based on the first predetermined manner.
Specifically, for different type of transaction, it is set with different execution priorities.Wherein, basis transaction is first
Priority, general transaction are the second priority.It is preferential to execute basis transaction when carrying out transaction verification.In the prior art, with
Execution priority of trading too in mill is determined that therefore, the present invention is mentioned by the way that highest Gas Price is arranged by Gas Price
The execution priority of higher baseline transaction.
In order to encourage basic transaction, when trading based on the transaction, Gas expense is collected using the first predetermined manner.
Wherein, first predetermined manner can be release Gas expense, or Gas expense is collected according to certain discount, thus
Accelerate on the basis of executing transaction, further promotes the execution of basis transaction.
Second processing module 23 is connected with judgment module 21, for being the transaction of general transaction for type of transaction, according to
Second priority executes, and collects Gas expense based on the second predetermined manner.
Specifically, it for the general transaction of non-basic transaction, is executed according to the first priority, and is received according in full
The mode taken collects Gas expense.Specifically, the Gas expense Gas=Gas Used*Gas Price collected, wherein Gas Used
Expression has used Gas value, and Gas Price indicates Gas price.
It should be noted that the Gas expense of first predetermined manner can be based on the Gas expense of second predetermined manner
Carry out certain discount.
Further, the transaction optimization method of the invention based on ether mill is suitable for broadcasting for ether mill code extensions exploitation
Objective chain (Bokerchain).
It should be noted that it should be understood that the modules of apparatus above division be only a kind of logic function division,
It can completely or partially be integrated on a physical entity in actual implementation, it can also be physically separate.And these modules can be with
It is all realized, can also be all realized in the form of hardware by way of processing element calls with software, it can also part mould
Block realizes that part of module passes through formal implementation of hardware by way of processing element calls software.Such as: x module can be
The processing element individually set up also can integrate and realize in some chip of above-mentioned apparatus.In addition, x module can also be with
The form of program code is stored in the memory of above-mentioned apparatus, called by some processing element of above-mentioned apparatus and executed with
The function of upper x module.The realization of other modules is similar therewith.These modules completely or partially can integrate together, can also be with
It is independent to realize.Processing element described here can be a kind of integrated circuit, the processing capacity with signal.In the process of realization
In, each step of the above method or the above modules can by the integrated logic circuit of the hardware in processor elements or
The instruction of software form is completed.The above module can be arranged to implement the integrated electricity of one or more of above method
Road, such as: one or more specific integrated circuit (Application Specific Integrated Circuit, abbreviations
ASIC), one or more microprocessors (Digital Singnal Processor, abbreviation DSP), one or more scene
Programmable gate array (Field ProgrammableGate Array, abbreviation FPGA) etc..When some above module passes through processing
When the form of element scheduler program code is realized, which can be general processor, such as central processing unit (Central
Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.These modules can integrate one
It rises, is realized in the form of system on chip (System-on-a-chip, abbreviation SOC).
Be stored with computer program on storage medium of the invention, the program realized when being executed by processor it is above-mentioned based on
The transaction optimization method in ether mill.The storage medium includes: that ROM, RAM, magnetic disk, USB flash disk, storage card or CD etc. are various can
To store the medium of program code.
As shown in figure 3, terminal of the invention includes: processor 31 and memory 32 in an embodiment.
The memory 32 is for storing computer program.
The memory 32, which includes: that ROM, RAM, magnetic disk, USB flash disk, storage card or CD etc. are various, can store program generation
The medium of code.
The processor 31 is connected with the memory 32, the computer program stored for executing the memory 32,
So that the terminal executes the above-mentioned transaction optimization method based on ether mill.
Preferably, the processor 31 can be general processor, including central processing unit (Central Processing
Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital SignalProcessor, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
In conclusion transaction optimization method and system, storage medium and the terminal of the invention based on ether mill press according to
The significance level of transaction carries out transaction the division of grade；For different grades of transaction, different Gas expenses is collected, is protected
The smooth execution of benign transaction is demonstrate,proved；It reduces user and accesses the threshold in ether mill, and it is beneficial for community to encourage user to generate
The type of transaction at place；Improve the transaction quality in ether mill and the utilization rate of entire block chain；It is particularly suitable for ether mill code
The podcast chain expanded and developed.Therefore, the present invention effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of transaction optimization method based on ether mill, which comprises the following steps:
Judge that the type of transaction traded caused by Dapp, the type of transaction include general transaction and basis transaction；
It for the transaction traded based on type of transaction, is executed according to the first priority, and Gas is collected based on the first predetermined manner
Expense；
It is the transaction of general transaction for type of transaction, is executed according to the second priority, and Gas is collected based on the second predetermined manner
Expense.
2. the transaction optimization method according to claim 1 based on ether mill, which is characterized in that the basis transaction refers to
Flow can be brought to ether mill, improves ether mill popularity, and brings the Dapp institute of change for user using block chain technology
The transaction of generation；The general transaction is the transaction other than the basis transaction.
3. the transaction optimization method according to claim 1 based on ether mill, which is characterized in that first predetermined manner
To exempt Gas expense or collecting Gas expense according to certain discount.
4. the transaction optimization method according to claim 1 based on ether mill, which is characterized in that second predetermined manner
To collect Gas expense according to Gas=Gas Used*Gas Price, wherein Gas Used expression has used Gas value, Gas
Price indicates Gas price.
5. a kind of transaction optimization system based on ether mill, which is characterized in that including judgment module, first processing module and second
Processing module；
The judgment module is used for the type of transaction for judging to trade caused by Dapp, the type of transaction include general transaction and
Basis transaction；
The first processing module is used for the transaction for trading based on type of transaction, executes according to the first priority, and base
Gas expense is collected in the first predetermined manner；
The Second processing module is used for the transaction for type of transaction for general transaction, executes according to the second priority, and base
Gas expense is collected in the second predetermined manner.
6. the transaction optimization system according to claim 5 based on ether mill, which is characterized in that the basis transaction refers to
Flow can be brought to ether mill, improves ether mill popularity, and brings the Dapp institute of change for user using block chain technology
The transaction of generation；The general transaction is the transaction other than the basis transaction.
7. the transaction optimization system according to claim 5 based on ether mill, which is characterized in that first predetermined manner
To exempt Gas expense or collecting Gas expense according to certain discount.
8. the transaction optimization system according to claim 5 based on ether mill, which is characterized in that second predetermined manner
To collect Gas expense according to Gas=Gas Used*Gas Price, wherein Gas Used expression has used Gas value, Gas
Price indicates Gas price.
9. a kind of storage medium, is stored thereon with computer program, which is characterized in that realize power when the program is executed by processor
Benefit require any one of 1 to 4 described in the transaction optimization method based on ether mill.
10. a kind of terminal characterized by comprising processor and memory；
The memory is for storing computer program；
The processor is used to execute the computer program of the memory storage, so that the terminal perform claim requires 1 to 4
Any one of described in the transaction optimization method based on ether mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021493.XA CN109840848A (en) | 2019-01-10 | 2019-01-10 | Transaction optimization method and system, storage medium and terminal based on ether mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021493.XA CN109840848A (en) | 2019-01-10 | 2019-01-10 | Transaction optimization method and system, storage medium and terminal based on ether mill |
Publications (1)
| Publication Number | Publication Date |
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| CN109840848A true CN109840848A (en) | 2019-06-04 |
Family
ID=66883747
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| CN201910021493.XA Pending CN109840848A (en) | 2019-01-10 | 2019-01-10 | Transaction optimization method and system, storage medium and terminal based on ether mill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111401866A (en) * | 2020-03-13 | 2020-07-10 | 杭州复杂美科技有限公司 | Method, apparatus and storage medium for pre-storing and deducting commission fee |
| CN113689188A (en) * | 2021-08-23 | 2021-11-23 | 交通银行股份有限公司 | Decentralization information management system and method based on Ether house intelligent contracts |
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- 2019-01-10 CN CN201910021493.XA patent/CN109840848A/en active Pending
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| CN108243241A (en) * | 2017-11-10 | 2018-07-03 | 杭州复杂美科技有限公司 | A kind of storage mode of block chain transaction and queueing form |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111401866A (en) * | 2020-03-13 | 2020-07-10 | 杭州复杂美科技有限公司 | Method, apparatus and storage medium for pre-storing and deducting commission fee |
| CN113689188A (en) * | 2021-08-23 | 2021-11-23 | 交通银行股份有限公司 | Decentralization information management system and method based on Ether house intelligent contracts |
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