CN105761146A - Block link matching exchange - Google Patents
Block link matching exchange Download PDFInfo
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- CN105761146A CN105761146A CN201610043553.4A CN201610043553A CN105761146A CN 105761146 A CN105761146 A CN 105761146A CN 201610043553 A CN201610043553 A CN 201610043553A CN 105761146 A CN105761146 A CN 105761146A
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- G—PHYSICS
- 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
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
Abstract
Orders of the block link exchange are signed by users, the quantities are generally not totally matched, and according to regulations, when prices with signatures meet transaction requirements, the transacted quantity is cumulatively no more than the signature quantity, the matching order for the same price on the same server is ordered according to a time order of entering the server. If to-be-matched users are respectively located in multiple areas with certain network time delay, apart from a unique whole network matching center, multiple area matching centers can also be added, the users can assign an area matching center for being matched, each user can only assign (requiring a signature) a certain server in a certain area for matching the transaction, and if a matching server needs to be replaced, the order needs to be canceled and then the order is posted again. The transaction records transacted in the area matching centers are sent to the whole network matching center, and the transaction records can be directly written to a new block in the block chain without matching by the whole network matching center.
Description
Technical field
The present invention relates to Internet technical field, particularly the technology such as block chain, exchange.
Background technology
1, exchange is all that master-slave back-up mode stores data mostly at present, not effective encryption and verification scheme, data base is easily tampered, it is necessary to the scheme of a lot of security monitorings prevents data tampering, improve manpower and materials cost, if the harm of internal staff's data fabrication is just bigger.
2, fund generally will be closed and could clear the same day, in view of the problem of safety, can not conclude the business for 24 hours.
3, typically no encryption and checking in data transmission procedure, trading instruction is easily tampered.
4, there is presently no the block chain exchange case of maturation, function imperfection, performance has much room for improvement.
Summary of the invention
It is an object of the invention to replace centralization exchange with block chain exchange, each trading instruction is that user is with from the private key signature of oneself, transmitting procedure cannot be distorted, historical data base adopts the distributed storage mode of block chain, synchronization check mechanism, even if internal staff also cannot revise historical trading data.
This programme solves one-to-many on block chain preferably, the order matching mode of multi-to-multi, optimizes Data Comparison technology, reduce data to omit, accelerating data syn-chronization speed, what increase compartmentalization brings central server together, decreases the impact on transaction of the zones of different network delay.
The technical solution adopted in the present invention is: block chain exchange order is all that user's signature is crossed, quantity generally can not be mated completely, need exist for regulation, when the price signed meet conclusion of the business require time, as long as the quantity struck a bargain adds up to be not more than the quantity of signature, on same server, the order of brining together in same price sorts by the time sequencing entering this server.
Each server receives transaction request, because the difference of time, the same order price, the position of different server sequence is uncertain, for ensureing conclusion of the business efficiency, it is possible to bring center by certain rule or a random choosing wherein station server together as unique the whole network, after this station server terminates the brining together of each new block, pairing result packing, be broadcast to other servers, other server authentications pass through after this locality increase new block.
For improving the efficiency of data syn-chronization, user can be allowed to change cryptographic Hash by converting random number, user can be allowed to select some the preposition number of taking machine, a few segment assignments sections of transaction cryptographic Hash can be arranged, here a few positions of cryptographic Hash are used as the unduplicated numbering of same block, the numbering bitmap of this batch of cryptographic Hash is carried out record, it is ranked up by bitmap method equally after transaction data being sent on another server, generate new bitmap, the bitmap of two-server relatively after, the bitmap that the transaction number that those data are omitted forms can be learned at once, go for and seek download polishing.
If the user brought together is respectively at network multiple regions of time delay, except a whole network brings center together, multiple stage region can also be increased and bring center together, user may specify that center pairing is brought in certain region together, each user can only specify (needing signature) order matching on a wherein station server in certain region, bring server together to change, it is necessary to by remove single after again sheet realize.Region is brought the transaction record struck a bargain at center together and can be sent to the whole network and bring center together, bring center pairing together without the whole network can write direct the new block of block chain, if the center of brining together that certain order is specified changes, center acquiescence that what certain order was specified bring together passes to move on to new brings central server together.
Each station server is given a mark to ambient service device according to the communication condition (considering bandwidth and network delay) with ambient service device, such as 5,4,3,2,1 point, that (if having the same just random choosing wherein) server of highest scoring can be chosen as the whole network and bring central server together, part (such as the front 30% ratio quantity) server that score statistics is the highest, the server that its meansigma methods is the highest can be elected region as and bring central server together.
Block chain trade matching institute, multizone center not only can be divided to carry out trade matching, different trade varieties can also be put on different servers and carry out trade matching, but because the balance of funding cannot verify on multiple servers simultaneously, still needing to user specifies (or acquiescence) server to do the balance of funding verification, and what then just can be sent to corresponding different cultivars brings center together.
Compared with prior art, the invention has the beneficial effects as follows:
This programme solves one-to-many on block chain preferably, the order matching mode of multi-to-multi, optimizes Data Comparison technology, reduce data to omit, accelerate data syn-chronization speed, increase the election brining central server together of compartmentalization, reduce the impact on transaction of the zones of different network delay.
Accompanying drawing illustrates:
Fig. 1 is the trade matching of many orders how realizing on block chain signing；
Fig. 2 is the flow process illustrating to use bitmap contrast isochronous transaction data；
Fig. 3 illustrates how to select the whole network to bring central server together；
Fig. 4 is that each station server is given a mark to ambient service device according to the communication condition (considering bandwidth and network delay) with ambient service device.
Embodiment 1, with reference to Figure of description 1,
This example demonstrates that the trade matching of many orders how realizing on block chain signing:
Each server receives transaction request, because the difference of time, the same order price, the position of different server sequence is uncertain, for ensureing conclusion of the business efficiency, it is possible to bring center by certain rule or a random choosing wherein station server together as unique the whole network, after this station server terminates the brining together of each new block, pairing result packing, be broadcast to other servers, other server authentications pass through after this locality increase new block.
300 strands of stocks bought in by step S1:A user's order, price 15 yuan,
200 strands of stocks sold by party B-subscriber's order, price 15 yuan,
500 strands of stocks bought out by C user's order, price 15 yuan,
200 strands of stocks sold by D user's order, price 15 yuan,
300 strands of stocks sold by E user's order, price 15 yuan,
Server receives each transaction and all has a signature (private key for user signature) of user, and the quantity of arranging following pairing is accumulative can not more than quantity predetermined in signature, every transaction is all without given transaction opponent here.
The order of A, B, C, D, E user order of brining together in same price on certain station server sorts by the time sequencing entering this server.
Every order can check that the quantity that each user adds up not can exceed that the available funds remaining sum of himself or available stock remaining sum before queue is brought in entrance together.
Step S2:A order occurs the earliest, the appearance of the 2nd, B order, and two order prices are identical, buy and sell in opposite direction, and whole 200 strands of stocks of B order and 200 bursts of pairings in 300 strands of A order strike a bargain.
That strikes a bargain is recorded as: 200 strands of stocks of B pay A
3000 yuan (200*15) of A pay B
Step S3: through previous step, remaining 100 strands of A order does not also strike a bargain, and at this moment takes turns to D user's pairing, and D user 15 yuan sells 100 strands of stocks, strikes a bargain remaining 100 strands with A order, and D user 15 yuan sells 100 strands of stocks, strikes a bargain 100 strands with C order.
Conclusion of the business is recorded as:
100 strands of stocks of D pay A
1500 yuan (100*15) of A pay D
100 strands of stocks of D pay C
1500 yuan (100*15) of C pay D
Step S4: through previous step, remaining 400 strands of C order does not also strike a bargain, and at this moment takes turns to E user's pairing, and E user 15 yuan sells 300 strands of stocks, strikes a bargain 300 strands with C order.
That strikes a bargain is recorded as: 300 strands of stocks of E pay C
4500 yuan (300*15) of C pay E
Step S5: if C user wants 100 strands also not struck a bargain to cancel, just sends and deletes instruction (needing signature), and server is just withdrawn from the C order also not struck a bargain after receiving instruction and brought together in queue, and the part struck a bargain can not be cancelled.
Embodiment 2, with reference to Figure of description 2,
Illustrate to use the flow process of bitmap contrast isochronous transaction data.Scene: have 100,000 (1e5) that do not repeated numbering by preposition node A picks is concluded the business, node server B synchronizes the trading order form of front server node A.Step S1: node A uses 18 (2^18 > 2^17 > 1e5, but the more free efficiency of bitmap of 18) bitmap A, available https: //github.com/willf/bitset calculates bitmap.
bitNum:=uint(18)
A:=bitset.New(2^bitNum)
Take front 18 integers (binary system) of each transaction cryptographic Hash (32 bytes, 256), put into bitmap A, it is ensured that the position of each transaction correspondence bitmap is unique, if position is set, then conversion random number, regenerate cryptographic Hash.Step S2: node A sends 100,000 transactions successively to node B, finally bitmap A is sent to node step B S3: node B is the transaction received, and according to step S1, generates bitmap B, contrasts bitmap A and bitmap B, if equal, terminates.The transaction that B.Equal (A)==true otherwise labelling lacks, generates bitmap C, sends bitmap C to node A.C:=A.Difference (B)
Step S4: node A finds out the transaction of bitmap C correspondence position, is sent to node B.Step S5: repeat step S3, step S4.
Embodiment 3, reference Figure of description 3, accompanying drawing 4,
Each station server is given a mark to ambient service device according to the communication condition (considering bandwidth and network delay) with ambient service device, such as 5,4,3,2,1 point, certain station server of highest scoring can be chosen as the whole network and bring central server together, here No. 8 server total scores are 46 points, it is the server that in Servers-all, total score is the highest, it is easy to be chosen as the whole network and bring central server together.
Part (such as the front 30%) server that score statistics is the highest, the server that its meansigma methods is the highest can be elected region as and bring central server together.If taking front 3 station servers of highest scoring here, 4,6,8 all can be chosen as region brings central server together, because 8 has been that the whole network brings central server together, so 4,6 elect region as and bring central server together.
It is not fixing for brining server together due to the whole network or region, once the center that user specifies is varied, the right of transaction pair can be given tacit consent to and transfer to the center of brining together that the next one is selected, block chain it may be noted that unique circuit of transfer is reached common understanding.
What increase compartmentalization brings central server together, it is possible to reduce the impact on transaction of the zones of different network delay.
Claims (6)
1. block chain trade matching institute, it is characterized in that, block chain exchange order is all that user's signature is crossed, quantity generally can not be mated completely, need exist for regulation, when the price signed meet conclusion of the business require time, as long as strike a bargain quantity add up to be not more than the quantity of signature, on same server in same price brining together order by entrance this server time sequencing sort.
2. block chain trade matching institute according to claim 1, it is characterized in that, each server receives transaction request, because the difference of time, the same order price, the position of different server sequence is uncertain, for ensureing conclusion of the business efficiency, center can be brought together as unique the whole network by certain rule or a random choosing wherein station server, after this station server terminates the brining together of each new block, pairing result packing, be broadcast to other servers, other server authentications pass through after this locality increase new block.
3. block chain trade matching institute, it is characterized in that, for improving the efficiency of data syn-chronization, user can be allowed to change cryptographic Hash by converting random number, user can be allowed to select some the preposition number of taking machine, a few segment assignments sections of transaction cryptographic Hash can be arranged, here a few positions of cryptographic Hash are used as the unduplicated numbering of same block, the numbering bitmap of this batch of cryptographic Hash is carried out record, it is ranked up by bitmap method equally after transaction data being sent on another server, generate new bitmap, the bitmap of two-server relatively after, the bitmap that the transaction number that those data are omitted forms can be learned at once, go for and seek download polishing.
4. block chain trade matching institute, it is characterized in that, if the user brought together is respectively at network multiple regions of time delay, except a whole network brings center together, multiple stage region can also be increased and bring center together, user may specify that center pairing is brought in certain region together, each user can only specify (needing signature) order matching on a wherein station server in certain region, server is brought together to change, require over remove single after again sheet realize, region is brought the transaction record struck a bargain at center together and can be sent to the whole network and bring center together, bring center pairing together without the whole network can write direct the new block of block chain, if the center of brining together that certain order is specified changes, center acquiescence that what certain order was specified bring together passes to move on to new brings central server together.
5. the block chain trade matching institute according to right 1,4, it is characterized in that, each station server is given a mark to ambient service device according to the communication condition (considering bandwidth and network delay) with ambient service device, such as 5,4,3,2,1 point, that (if having the same just random choosing wherein) server of highest scoring can be chosen as the whole network and bring central server together, part (such as the front 30% ratio quantity) server that score statistics is the highest, the server that its meansigma methods is the highest can be elected region as and bring central server together.
6. the block chain trade matching institute according to right 1,4,5, multizone center not only can be divided to carry out trade matching, different trade varieties can also be put on different servers and carry out trade matching, but because the balance of funding cannot verify on multiple servers simultaneously, still needing to user specifies (or acquiescence) server to do the balance of funding verification, and what then just can be sent to corresponding different cultivars brings center together.
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| CN201610043553.4A CN105761146B (en) | 2016-01-24 | 2016-01-24 | Block chain matching exchange |
| CN202110342161.9A CN113159948A (en) | 2016-01-24 | 2016-01-24 | Block chain matching exchange |
| CN202110342162.3A CN112950381A (en) | 2016-01-24 | 2016-01-24 | Block chain matching exchange |
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| CN112950381A (en) | 2021-06-11 |
| CN113159948A (en) | 2021-07-23 |
| CN105761146B (en) | 2021-06-01 |
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