CN108734524A - A kind of shipping index computational methods based on block chain technology - Google Patents
A kind of shipping index computational methods based on block chain technology Download PDFInfo
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- CN108734524A CN108734524A CN201810527082.3A CN201810527082A CN108734524A CN 108734524 A CN108734524 A CN 108734524A CN 201810527082 A CN201810527082 A CN 201810527082A CN 108734524 A CN108734524 A CN 108734524A
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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
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
- G06Q30/0283—Price estimation or determination
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
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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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Abstract
The invention discloses a kind of shipping index computational methods based on block chain technology, include the following steps：Index computation rule is deployed in the form of intelligent contract on shipping chain by index publisher；The phase is issued in each index, index publisher transfers accounts the shipping coin for payment transaction service to specially inviting offerer；Offerer completes the contract quotation of dual signature；Index publisher calls intelligent contract to be automatically performed index calculating, and will calculate after content is encrypted, and is recorded in together with index on shipping chain；Shipping index dedicated issue system extracts shipping index, is published on the website of index publisher；The user of shipping chain obtains by paying shipping coin to index publisher and reads the decruption key that shipping index calculates content in detail.The problem of falseness is offered, quote data is divulged a secret and artificially adjusted is completely solved through the invention.
Description
Technical field
The invention belongs to the technical fields of shipping transaction, are related to a kind of shipping index calculating side based on block chain technology
Method.
Background technology
Main shipping index includes Baltic Sea index, Shanghai Shipping Exchange's index etc. currently on the market.It is existing
In shipping index computational methods, offerer, which is that index publisher (shipping exchange) is specially appointed, has course line etc. representative
Industry represents.Offerer is interior at the appointed time according to the requirement that index publisher arranges, the report during oneself is signed a contract
Valence, course line etc. are supplied to index publisher.Theoretically, index publisher can obtain representative course line freight rate；But
In actual motion, it may appear that the case where offerer's falseness is offered, i.e. offerer is due to many reasons, and to index, publisher provides
False quotation, including false course line or freight rate.Since quotation is endorsed with the credit of offerer, without corresponding verification
Mechanism, and since quotation is related to commercial contract secret, offerer is also impossible to that index publisher is supplied to verify, therefore, empty
Vacation quotation is not avoided that completely in existing shipping index system.The presence of falseness quotation, necessarily affects shipping index
Numerical value, influence shipping index reflection shipping market true fluctuation.
Invention content
The shortcomings that it is a primary object of the present invention to overcome the prior art and deficiency provide a kind of based on block chain technology
Shipping index computational methods, false quotation is completely solved by this method, quote data is divulged a secret and is artificially adjusted.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of shipping index computational methods based on block chain technology of the present invention, are merged asymmetric on the basis of theory of games
The quotation authentication mechanism of encryption technology calculates open-ended Lars Bell index and the additional receipts of offerer using intelligent contract
Benefit specifically includes following step：
Shipping index block chain selects alliance's chain；
Index computation rule is deployed in the form of intelligent contract on shipping index block chain by index publisher, the finger
Number refers to Lars Bell's index；
Offerer and contract Party A complete the contract quotation of dual signature mechanism jointly；Each quotation is as a transaction quilt
It is written in shipping index block chain, and payment transaction takes；
Index publisher calls chain code to be automatically performed index calculating, and will calculate in detail after content is encrypted, and current
The index of publication is written into shipping block chain together；
For the quotation of each verification, index publisher services for payment transaction (quotation) to specially inviting offerer to transfer accounts
Shipping coin；
Shipping index dedicated issue system reads current shipping index from shipping block chain, in the website of index publisher
On published；
The user of shipping index block chain obtains reading shipping index and counts in detail by paying shipping coin to index publisher
Calculate the decruption key of content.
The quotation authentication mechanism for merging asymmetric encryption techniques on the basis of theory of games as a preferred technical solution, is specific
For：
Party A signs with Party B simplifies version shipping contract, and the simplification version shipping contract only includes both sides' information, boat
Line and quotation；The Party B is offerer, and Party A is another party of quotation contract；
Party B will simplify Party A's information in version shipping contract, is encrypted using Party A's public key, and ciphertext is used in combination to replace letter
Change the plaintext in version shipping contract, signs to replaced simplified version shipping contract, be then sent to Party A；
After Party A receives simplified version shipping contract, Party B's signature in simplified version shipping contract is first verified that；If signature is just
Really, Party A verifies whether the Party A in simplified version shipping contract is oneself again；If so, being signed to simplifying version shipping contract
Name, and send back to Party B；
After Party B receives, will simplify version shipping contract using index publisher public key be encrypted after, write as transaction
Enter shipping index block chain.
Index computation rule is deployed in by the index publisher in the form of intelligent contract as a preferred technical solution,
On shipping chain, specially：
It selects alliance chain Fabric, chain code to be executed in the isolation sandbox of Fabric nodes, passes through gRPC agreements and node
It is delivered, basic step is：
(1) it defines and completes the necessary structure that index calculates, including introduce necessary packet statement and chain construction body；
(2) in Init methods, search current time index calculates the transaction recorded in section in the period, calls index publication
The private key of people is decrypted；The signature of both sides in verification quotation；Offerer's account that index publisher is proved to be successful is transferred to agreement
The shipping coin of quantity；
(3) in Invoke methods, phase index is worked as according to price calculation, detailed result of calculation is encrypted, and it is final
Index is written in account book together, and the account book is block；
(4) it in Invoke methods, realizes the branching method to query index, returns to current index, and calculate in detail
As a result.
The add on yield of offerer as a preferred technical solution, specially：
1) offerer submits current quotes, pays the expense of this transaction；After the expense passes through less than quotation validation,
This quotation remuneration that index quotes people is paid；
2) offerer's quotation is verified, and receives this quotation remuneration that index quotes people is paid；
3) offerer pays shipping coin, and buying policy index calculates content in detail.
Open-ended Lars Bell index as a preferred technical solution, specially：
For the canonical form of Lars Bell's index, open-ended Lars Bell index refers to：Due to obtaining
Detailed index calculates report and needs to pay a certain number of shipping coin, and obtains the method for shipping coin in addition to conventional to finger
Number publisher's purchase is outer, and the quotation of number can also be demonstrate,proved by completing certain experiences, adds up after obtaining satisfactory shipping coin,
The i.e. payable detailed index of purchase calculates report；It is therefore contemplated that the sample size that index calculating can obtain will not
Disconnected to increase, result of calculation will more really reflect that shipping changes.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
The present invention is based on the index calculation methods of block chain technology：In the quotation stage, introduces contract both sides and replace single report
Valence people；Contract both sides first use dual signature to sign involved contract of offering, and then use the public affairs of index publisher
Key is encrypted, and is submitted on alliance's chain as transaction.After transaction is by common recognition (endorsement, sequence, verification), account is written
This.The formula of index of index publisher indicates that program is searched for the quotation contract of computation interval and counted automatically with chain code
It calculates, and account book is written into the form of merchandising in result and carries out broadcast distribution.Compared with existing index method, this method is complete
Solves false quotation, quote data is divulged a secret and artificially adjusted.
Description of the drawings
Fig. 1 is that the present invention is based on the flow charts of the shipping index computational methods of block chain technology.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment
As shown in Figure 1, a kind of shipping index computational methods based on block chain technology of the present invention introduce in the quotation stage
Contract both sides replace single bidding people.Contract both sides first use dual signature to sign involved contract of offering, then
It is encrypted using the public key of index publisher, and is submitted on alliance's chain as transaction.Transaction by common recognition (endorsement,
Sequence, verification) after, account book is written.The formula of index of index publisher indicates that program searches for computation interval automatically with chain code
Quotation contract and calculated, and account book is written into the form of merchandising in result and carries out broadcast distribution.With existing index
Method is compared, and this method completely solves false quotation, quote data is divulged a secret and artificially adjusted.
The block chain (hereinafter referred to as " shipping chain ") of shipping index uses alliance's chain.Using the review mechanism of alliance's chain, protect
Mechanism and individual of the card by audit could participate in.The shipping coin defined in shipping chain simultaneously.Shipping coin can be used for buying boat
The index report on chain chain is transported, for paying the transactional services expense on shipping chain.As shown in Figure 1, detailed process is as follows：
S0, shipping index block chain selection alliance chain；
Index computation rule (Lars Bell's index) is deployed in shipping in the form of intelligent contract and referred to by S1, index publisher
On number block chain；
The present embodiment is by taking alliance chain Fabric as an example.Chain code executes in the isolation sandbox of Fabric nodes, passes through gRPC
Agreement is delivered with node.Its basic step is：
S1.1, definition complete the necessary structure that index calculates, including introduce necessary packet statement, chain construction body
Deng.
S1.2, in Init methods, search current time index calculates the transaction recorded in section in the period, calls index hair
The private key of cloth people is decrypted.The signature of both sides in verification quotation.Offerer (both sides) account that index publisher is proved to be successful
It is transferred to the shipping coin (remuneration) of amount.
S1.3, in Invoke methods, phase index is worked as according to price calculation.Detailed result of calculation is encrypted, and most
Whole index is written together in account book (block).
S1.4, in Invoke methods, realize to the branching method of query index.Return current index (plaintext) and in detail
Thin result of calculation (ciphertext).
S2, offerer and contract Party A complete the contract quotation of dual signature mechanism jointly.Each quotation is as a friendship
It is easily written into shipping index block chain, and payment transaction takes；
The add on yield of offerer, specially：
S21, offerer (both sides) submit current quotes (transaction), pay the expense of this transaction (from existing account branch
Go out).The expense be less than quotation validation pass through after, index quotes people paid this quotation remuneration.
S22, offerer's quotation are verified, and receive this quotation remuneration that index quotes people is paid.
S23, offerer pay shipping coin, and buying policy index calculates content in detail.
Contract about step S2 dual signatures is offered, and the concrete scheme of use is as follows：
The another party (below referred to as " Party A ", and offerer is referred to as " Party B ") to offer involved by contract is drawn
Enter in quote process.Utilize the naturally occurring game of both sides, it is ensured that the authenticity of quotation.Game is described as follows：
(1) assume that the contract price that both sides sign is Y.
(2) if Party B is supplied to the price X of index publisher to be higher than Y, i.e. X>Y.Know that Party B is sent out by X to index in Party A
Cloth people provides information, and Party A will oppose, and notifies that index publisher X is deceptive information.Because being executed according to X prices, Jia Fangli
Benefit is impaired (paying more).
(3) if Party B is supplied to the price Z of index publisher to be less than Y, i.e. Z<Y.Know that Party B is sent out by Z-direction index in Party A
Cloth people provides information, and Party A will adhere to that the price Z externally provided according to Party B executes contract, and Party B's interests will impaired (income subtracts
It is few).Party B can never select to do so.
(4) therefore, in the case where Party A knows second direction index publisher quotation, Party B provides selection to true valence
Lattice Y.The statement of above-mentioned steps (1)-step (4) is as shown in table 1.
Table 1
According to above-mentioned payoff, the application designs a new quotation flow in the technical foundation of dual signature
1, the contract that Party B signs both sides carries out simplifying processing, and the contract after simplifying pertains only to course line, quotation, first
Second both sides.
2, Party B will simplify Party A's information in contract, be encrypted using Party A's public key, be used in combination ciphertext to replace and simplify conjunction
Plaintext in, signs to replaced simplified contract, is then sent to Party A.
3, after Party A receives simplified contract, Party B's signature in simplified contract is first verified that.If correct, Party A verifies letter again
Whether Party A of the chemical combination in is oneself.If so, signing to simplifying contract, and send back to Party B.
4, after Party B receives, will simplify contract using index publisher public key be encrypted after, as transaction write-in boat
Transport index block chain.
S3, index publisher call chain code to be automatically performed index calculating, and will calculate in detail after content is encrypted, and work as
The index of preceding publication together, is written into shipping block chain；
S4, for the quotation of each verification, index publisher is taken for payment transaction (quotation) to specially inviting offerer to transfer accounts
The shipping coin of business；
S5, shipping index dedicated issue system read current shipping index from shipping block chain, index publisher's
It is published on website；
S6, shipping index block chain user by index publisher pay shipping coin, obtain read shipping index it is detailed
The thin decruption key for calculating content.
The present invention uses open-ended Lars Bell index, specially：
For the canonical form of Lars Bell's index.In traditional index calculates, offerer is by spy
It does not select specified, generally cannot arbitrarily change, i.e., sample size is stablized.In the method, due to obtaining detailed index meter
Report is calculated to need to pay a certain number of shipping coin.And the method for obtaining shipping coin is bought in addition to conventional to index publisher
Outside, the quotation that number can also be demonstrate,proved by completing certain experiences adds up after obtaining satisfactory shipping coin, you can payment purchase
Detailed index calculates report.It will constantly increase it is therefore contemplated that index calculates the sample size that can be obtained, calculate
As a result it will more really reflect that shipping changes.
The record of above-described embodiment through the invention, this method completely solves false quotation, quote data is divulged a secret and
The problem of artificial adjustment so that quotation is more rationally just.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (5)
1. a kind of shipping index computational methods based on block chain technology, which is characterized in that merged on the basis of theory of games non-
The quotation authentication mechanism of symmetric cryptosystem calculates open-ended Lars Bell index using intelligent contract, and offerer's is additional
Income specifically includes following step：
Shipping index block chain selects alliance's chain；
Index computation rule is deployed in the form of intelligent contract on shipping index block chain by index publisher, and the index is
Refer to Lars Bell's index；
Offerer and contract Party A complete the contract quotation of dual signature mechanism jointly；Each quotation is written into as a transaction
In shipping index block chain, and payment transaction takes；
Index publisher calls chain code to be automatically performed index calculating, and will calculate in detail after content is encrypted, with current publication
Index be written into shipping block chain together；
For the quotation of each verification, index publisher transfers accounts the shipping serviced for payment transaction (quotation) to specially inviting offerer
Coin；
Shipping index dedicated issue system reads current shipping index from shipping block chain, enterprising in the website of index publisher
Row publishes；
The user of shipping index block chain obtains and reads in shipping index calculating in detail by paying shipping coin to index publisher
The decruption key of appearance.
2. the shipping index computational methods according to claim 1 based on block chain technology, which is characterized in that theory of games base
The quotation authentication mechanism of fusion asymmetric encryption techniques is specially on plinth：
Party A and Party B, which sign, simplifies version shipping contract, the simplification version shipping contract only include both sides' information, course line with
And quotation；The Party B is offerer, and Party A is another party of quotation contract；
Party B will simplify Party A's information in version shipping contract, is encrypted using Party A's public key, is used in combination ciphertext to replace and simplifies version
Plaintext in shipping contract signs to replaced simplified version shipping contract, is then sent to Party A；
After Party A receives simplified version shipping contract, Party B's signature in simplified version shipping contract is first verified that；If signature is correct, first
Whether the Party A that side is verified again in simplified version shipping contract is oneself；If so, signing to simplifying version shipping contract, concurrently
Back to Party B；
After Party B receives, will simplify version shipping contract using index publisher public key be encrypted after, as transaction write-in boat
Transport index block chain.
3. the shipping index computational methods according to claim 1 based on block chain technology, which is characterized in that the index hair
Index computation rule is deployed in the form of intelligent contract on shipping chain by cloth people, specially：
It selects alliance chain Fabric, chain code to be executed in the isolation sandbox of Fabric nodes, is carried out by gRPC agreements and node
It delivers, basic step is：
(1) it defines and completes the necessary structure that index calculates, including introduce necessary packet statement and chain construction body；
(2) in Init methods, search current time index calculates the transaction recorded in section in the period, calls index publisher's
Private key is decrypted；The signature of both sides in verification quotation；Offerer's account that index publisher is proved to be successful is transferred to amount
Shipping coin；
(3) in Invoke methods, phase index is worked as according to price calculation, detailed result of calculation is encrypted, with final index
It is written in account book together, the account book is block；
(4) it in Invoke methods, realizes to the branching method of query index, returns to current index and detailed result of calculation.
4. the shipping index computational methods according to claim 1 based on block chain technology, which is characterized in that offerer's is attached
Benefit is added, specially：
1) offerer submits current quotes, pays the expense of this transaction；After the expense passes through less than quotation validation, index
This quotation remuneration that offerer is paid；
2) offerer's quotation is verified, and receives this quotation remuneration that index quotes people is paid；
3) offerer pays shipping coin, and buying policy index calculates content in detail.
5. the shipping index computational methods according to claim 1 based on block chain technology, which is characterized in that open-ended drawing
This Bell's index, specially：
For the canonical form of Lars Bell's index, open-ended Lars Bell index refers to：It is detailed due to obtaining
Index calculate report and need to pay a certain number of shipping coin, and the method for obtaining shipping coin is sent out in addition to conventional to index
Cloth people purchase is outer, and the quotation of number can also be demonstrate,proved by completing certain experiences, adds up after obtaining satisfactory shipping coin, you can
Payment buys detailed index and calculates report；To constantly it increase it is therefore contemplated that index calculates the sample size that can be obtained
Long, result of calculation will more really reflect that shipping changes.
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| CN201810527082.3A CN108734524A (en) | 2018-05-29 | 2018-05-29 | A kind of shipping index computational methods based on block chain technology |
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| CN201810527082.3A CN108734524A (en) | 2018-05-29 | 2018-05-29 | A kind of shipping index computational methods based on block chain technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109669945A (en) * | 2018-12-12 | 2019-04-23 | 成都四方伟业软件股份有限公司 | Collaborative management method and device based on block chain |
| CN111062541A (en) * | 2019-12-27 | 2020-04-24 | 海南太美航空股份有限公司 | Idle flight allocation method and system |
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| CN101794425A (en) * | 2010-02-04 | 2010-08-04 | 上海航运交易所 | Method for compiling Shanghai containerized freight index |
| CN101794426A (en) * | 2010-02-04 | 2010-08-04 | 上海航运交易所 | Freight rate information acquisition method for Shanghai containerized freight index |
| CN107038638A (en) * | 2017-02-24 | 2017-08-11 | 杭州象链网络技术有限公司 | A kind of equity registration transaction system construction method based on alliance's chain |
| WO2017178956A1 (en) * | 2016-04-11 | 2017-10-19 | nChain Holdings Limited | A method for secure peer-to-peer communication on a blockchain |
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2018
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| CN1764924A (en) * | 2003-03-25 | 2006-04-26 | 未来货运有限公司 | Freight fulfillment and trading platform |
| CN101794425A (en) * | 2010-02-04 | 2010-08-04 | 上海航运交易所 | Method for compiling Shanghai containerized freight index |
| CN101794426A (en) * | 2010-02-04 | 2010-08-04 | 上海航运交易所 | Freight rate information acquisition method for Shanghai containerized freight index |
| WO2017178956A1 (en) * | 2016-04-11 | 2017-10-19 | nChain Holdings Limited | A method for secure peer-to-peer communication on a blockchain |
| CN107038638A (en) * | 2017-02-24 | 2017-08-11 | 杭州象链网络技术有限公司 | A kind of equity registration transaction system construction method based on alliance's chain |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109669945A (en) * | 2018-12-12 | 2019-04-23 | 成都四方伟业软件股份有限公司 | Collaborative management method and device based on block chain |
| CN111062541A (en) * | 2019-12-27 | 2020-04-24 | 海南太美航空股份有限公司 | Idle flight allocation method and system |
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Application publication date: 20181102 |
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