CN109727131A - Method of commerce and system are executed under a kind of chain based on block chain contract layer - Google Patents
Method of commerce and system are executed under a kind of chain based on block chain contract layer Download PDFInfo
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- CN109727131A CN109727131A CN201811618721.3A CN201811618721A CN109727131A CN 109727131 A CN109727131 A CN 109727131A CN 201811618721 A CN201811618721 A CN 201811618721A CN 109727131 A CN109727131 A CN 109727131A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 5
- 235000013399 edible fruits Nutrition 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Abstract
Present invention discloses method of commerce and system are executed under a kind of chain based on block chain contract layer, system includes the stator channel of participant and foundation between the parties, stator channel include on chain and chain under two parts, on chain and intelligent contract is deployed under chain, intelligent contract includes contract under the root contract being deployed on chain and the chain being deployed under chain, arbitration contract and prophesy machine contract are also deployed on chain, root contract is for finally settling accounts, contract is for executing process of exchange under chain, checked operation of the arbitration contract for participant to being traded when having objection under chain, prophesy machine contract is for providing necessary external data.Method of commerce and system are executed under chain based on block chain contract layer of the invention, the delay that not only can be reduced block chain network influences many and diverse process of exchange bring, but also can be reduced the service charge generated in process of exchange, moreover it is possible to maintain secrecy to specific trade detail.
Description
Technical field
The present invention relates to block chain transaction field, in particular to counterparty is executed under a kind of chain based on block chain contract layer
Method and system.
Background technique
In information-intensive society now, data are played an increasingly important role.The sharing of data becomes with transaction works as
One hot spot of preceding technology and business.Moreover, because data have biggish difference compared with traditional commodities, for example it is easily lost,
It is easy duplication, need for confidentiality etc..Thus, to the processing capacity, the traceability of process of exchange, the integrality of transaction data of transaction
And reliability has higher requirement.
But in traditional mode of doing business, reaching for transaction generally requires the third-party trade center of dependence, in transaction
The processing capacity of the heart will affect the efficiency of transaction, and the failure of trade center will affect all related sides of transaction.Moreover, right
The tracking of conventional transaction process highly dependent upon traditional center trust authority, such as bank, stock exchange, in the third-party institution
Xin Hua mechanism only can just complete the verifying of transaction by these center trust authorities.On traditional transaction platform, transaction
The integrality of data is also to be difficult to safeguard, due to the non-transparency of conventional transaction, the history of transaction is difficult to trace, process of exchange text
Part may also be tampered, thus fraud easy to breed.
Mode of doing business on existing block platform chain is mostly to carry out on chain, but the mode of its confirmation transaction is excessively superfluous
Remaining problem is especially prominent, and the confirmation that will lead to every transaction is had certain delay by this.The presence of this delay makes it
Mode of doing business and the transaction rhythm demand gradually accelerated at this stage are inconsistent.At the same time, it to be recorded in block chain every
Transaction requires one high service charge of consumption, if process of exchange is excessively many and diverse, corresponding transaction procedure, which takes, also will
Increase, transaction cost increases accordingly.In addition, block chain can make public the detailed process of transaction, therefore it is unable to satisfy transaction
Confidentiality, these be participate in business in many ways be all reluctant to see.
Summary of the invention
It is an object of the invention in view of the above-mentioned drawbacks in the prior art, provide a kind of chain based on block chain contract layer
Lower execution method of commerce and system, specific process of exchange are put under chain and carry out, and it is enterprising that final transaction results are pushed to chain
Row clearing, the delay that not only can be reduced block chain network influences many and diverse process of exchange bring, but also can be reduced in process of exchange
The service charge of generation, moreover it is possible to maintain secrecy to specific trade detail.
In order to achieve the above-mentioned object of the invention, present invention employs following technical solutions: a kind of based on block chain contract layer
Method of commerce is executed under chain, comprising the following steps:
Step 1: participant drafts intelligent contract jointly, and determines the prophesy machine contract for obtaining external data, creation state
Particular clients are made in channel；
The intelligence contract includes contract under the root contract being deployed on chain and the chain being deployed under chain, contract under the chain
In include trading rules and transaction count；
Step 2: root contract is deployed on the public chain that workbench provides by participant, and is transferred to about in described contract
Contract under the chain is deployed under the public chain by fixed integral by the particular clients, and the stator channel is opened；
Step 3: prophesy machine contract obtains external data and is uploaded to contract under chain, according to the transaction drafted in contract under chain
Rule changes the balance status of participant；
Step 4: participant passes through Signature Confirmation single transaction result；
Step 5: repeating step 3 and step 4 until completing the transaction count drafted in contract under chain, finally handed over
Easily as a result, final transaction results are sent to root contract by participant, integral is forwarded to counterparty according to transaction results by root contract
In account, the stator channel is closed.
In addition, the technical program further includes following attached technical scheme:
The step 4 comprising the following specific steps
If participant all approves each transaction results, approval of signing；
If participant has objection to certain transaction results, sign and do not approve, transaction results need to be arbitrated.
The arbitration step the following steps are included:
S1: contract under the chain is deployed on the public chain as arbitration contract by a wherein side, and determination is described secondary
It is effective to cut out contract；
S2: contentious transaction results and this external data obtained are sent to root contract；
S3: root contract calls the arbitration contract, and exterior data that contentious transaction results are obtained with this
Enter to arbitrate in contract and be arbitrated；
The arbitration result that S4: described contract obtains arbitration contract obtains this transaction results.
Determine the arbitration contract whether effectively the following steps are included:
Described contract has the hash value of contract under chain in advance, and the address of the arbitration contract and hash value are sent to
Root contract, root contract judge whether the hash value is effective；
If effectively, allowing the arbitration contract and approving arbitration result；
If invalid, the arbitration contract is not allowed not approve arbitration result.
In order to achieve the above-mentioned object of the invention, the present invention additionally uses following technical solution: one kind is based on block chain contract layer
Chain under execute transaction system comprising participant and establish stator channel between the parties, the stator channel packet
Include on chain and chain under two parts, be deployed with intelligent contract on the chain and under chain, the intelligence contract includes being deployed on chain
Root contract and the chain that is deployed under chain under contract, be also deployed with arbitration contract and prophesy machine contract, described conjunction on the chain
About for finally settling accounts, for contract for executing process of exchange, the arbitration contract is used for participant to trading under chain under the chain
Checked operation when having objection, the prophesy machine contract is for providing necessary external data.
In addition, the technical program further includes following attached technical scheme:
The participant can pass through signature scheme authorized agent.
Described contract includes the public key address, authorized procuratorial of the hash value of contract under the chain, participant
Public key address and the public key address of the prophesy machine contract.
The arbitration contract includes the public key address of participant, treaty content under the content of the arbitration contract and the chain
Unanimously.
The prophesy machine contract include provided for contract under the chain external data public key address and chain under contract institute
The significant data needed.
Contract includes code source under the chain, and the code source includes the public key address and each address of trading rules, participant
Balance status.
Compared with the prior art, the invention has the advantages that: execute transaction under the chain of the invention based on block chain contract layer
Contract layer in block chain is individually stripped out by method and system, and specific process of exchange is put under chain and carries out, final
Transaction results are pushed on chain and are settled accounts, and both can be reduced the delay of block chain network to many and diverse process of exchange bring shadow
It rings, and can be reduced the service charge generated in process of exchange, moreover it is possible to maintain secrecy to specific trade detail.
Detailed description of the invention
Fig. 1 is that the present invention is based on the structural schematic diagrams that transaction system is executed under the chain of block chain contract layer.
Fig. 2 be in the present invention on stator channel chain and chain under contract structure schematic diagram.
Fig. 3 is that participant drafts intelligent contract flow chart in the present invention.
Fig. 4 is that participant disposes intelligent contract flow chart in the present invention.
Fig. 5 is stator channel work flow diagram in the present invention.
Fig. 6 is that stator channel runs general flow chart in the present invention.
Specific embodiment
In conjunction with the preferred embodiment and its attached drawing is further non-limitingly described in detail technical solution of the present invention.
As shown in Figure 1, executing transaction system under a kind of chain based on block chain contract layer comprising participant and foundation
Stator channel between the parties, participant at least two, participant can pass through signature scheme authorized agent, stator channel
Including two parts on chain and under chain, intelligent contract is deployed on chain and under chain, intelligent contract includes that the root being deployed on chain closes
Contract about and under the chain that is deployed under chain is also deployed with arbitration contract and prophesy machine contract on chain.
As shown in Fig. 2, root contract is for finally settling accounts comprising the hash value of contract under chain, participant public key address,
Authorized procuratorial public key address and the public key address for foretelling machine contract.
Checked operation of the arbitration contract for participant to being traded when having objection under chain, content and treaty content one under chain
It causes, main includes the public key address of participant.
Prophesy machine contract for providing necessary external data, approved by participant by confidence level comprising to close under chain
Significant data needed for contract about under the public key address of offer external data and chain, this data is that can stator channel smoothly be transported
Capable key.
Contract is for executing process of exchange under chain comprising the code source of contract under all chains, code source include trading rules, ginseng
With the public key address of side and the balance status of each address.
It is worth noting that, can arbitrarily change to contract under chain, but approval and the signature of all participants must be obtained,
The hash value of contract under chain corresponding in root contract is updated simultaneously；Additions and deletions to participant, it is also necessary to obtain all participants
Approval and signature, while by the public key address of participant corresponding in root contract carry out effectively or failure state update.
And in authorized agent, each participant is needed through signature authorization, and corresponding agency is updated in more contract
The public key address of people.
Execute method of commerce under a kind of chain based on block chain contract layer, in the present embodiment, in order to better understand this
The essence of invention, below with example come the technology contents that the present invention will be described in detail, but the contents of the present invention are not limited thereto.
As shown in Figures 3 to 6, in the block chain of ether mill, there are two participant U1 and participant U2 to carry out one " in advance
The game of survey temperature ", if the same day highest temperature is lower than 25 DEG C, participant U1 account turns 1 integral to participant U2, on the contrary
Participant U2 account turns 1 integral to participant U1, until ten days, later according to the account balance of participant U1 and participant U2
Integral is produced to participant U1 and participant U2, transaction is completed.
Under chain based on block chain contract layer execute method of commerce the following steps are included:
Step 1: participant drafts intelligent contract jointly, and determines the prophesy machine contract for obtaining external data, creation state
Particular clients are made in channel；
Intelligent contract includes contract under the root contract being deployed on chain and the chain being deployed under chain, includes handing in contract under chain
Easily rule and transaction count；
In the present embodiment, contract under chain is known as game contract, intelligent contract include the root contract run on chain and
The game contract run under chain, the side of participating later in U1 or participant U2 connect root contract and game contract by what platform gave
Mouth uploads；After platform obtains contract, two contracts are converted to Java editions intelligent contracts (can be converted with web3J), and by two
A Java intelligence contract is integrated into the Java client developed, and specific " prediction temperature " client is made；
Step 2: root contract is deployed on the public chain that workbench provides, and the integral appointed is transferred to root by participant
In contract, contract under chain is deployed under public chain by particular clients, stator channel is opened；
Root contract is deployed on the public chain that workbench provides by participant U1 or participant U2, and workbench is entire system
The running environment of system.The side of participating later in U1 and participant U2 are transferred to the integral appointed in advance into root contract, make root contract
It comes into force, the side of participating later in U1 and participant U2 respectively download specific " prediction temperature " client, pass through " prediction temperature " client
Game contract is deployed on block chain virtual machine by block chain virtual machine (such as EVM) interface provided to platform, and state is logical at this time
Road is opened, and then calls the contract in virtual machine that can initiate to trade, virtual machine is responsible for saving the result traded every time.If nothing
Method provides block chain virtual machine, then can provide corresponding block in platform and link confession client call, as long as being able to achieve client
Deployment and calling to intelligent contract.
Step 3: prophesy machine contract obtains external data and is uploaded to contract under chain, according to the rule drafted in contract under chain
Then, change the balance status of participant；
Prophesy machine contract can be understood as some contract on line, this contract is for providing external data, in root contract
Provider of which contract as external data on line need to be determined when drafting with contract under chain in treaty content.
Prophesy machine contract can behave as " weather contract " daily set time in the game of this " prediction temperature "
The highest temperature on the same day is set, and client also automatically will be in the highest temperature value in " weather contract " in the daily set time
The game contract in virtual machine is reached, some function interface in game contract receives this numerical weather, according to drafting before
Rule, change participant U1 and participant U2 balance status；
Step 4: participant passes through Signature Confirmation single transaction result；Comprising the following specific steps
If participant all approves each transaction results, approval of signing；
If participant has objection to certain transaction results, sign and do not approve, transaction results need to be arbitrated.
Arbitration step the following steps are included:
Contract under chain: being deployed on public chain as arbitration contract by a wherein side, and determine that arbitration contract is effective by S1, root
Contract has the hash value of contract under chain in advance, and the address for arbitrating contract and hash value are sent to root contract, the judgement of root contract
Whether hash value is effective, if effectively, allowing to arbitrate contract and approving arbitration result, if in vain, the arbitration is not allowed to close
Arbitration result is not approved about.
S2: contentious transaction results and this external data obtained are sent to root contract；
S3: root contract call punching contract, and by contentious transaction results and this obtain external data be passed to it is secondary
It cuts out in contract and is arbitrated；
S4: the arbitration result that root contract obtains arbitration contract obtains this transaction results.
Step 5: repeating step 3 and step 4 until completing the transaction count drafted in contract under chain, finally handed over
Easily as a result, final transaction results are sent to root contract by participant, integral is forwarded to counterparty according to transaction results by root contract
In account, the stator channel is closed.
In the present embodiment, participant U1 and each personal private key of participant U2 both sides sign to transaction results, if ginseng
All approved with square U1 and participant U2 both sides as a result, approval of then signing.If both sides approve daylight trading result, shape every time
Circulation is executed the operation of step 3 and step 4 by state channel, until having executed the number drafted in game contract before, is obtained
To final transaction results.
If participant U1 or participant U2 have objection to certain day transaction results, wherein game contract is deployed to by a side
As arbitration contract on public chain, and the address of contract and hash value being sent to root contract, root contract judges whether hash value is effective,
Arbitration result that is effective then allowing to arbitrate and approve arbitration contract.A contentious side (has traded the transaction results on the same day
At preceding both sides' balance status value) and same day maximum temperature value be sent to root contract, root contract calling has been deployed on chain
Contract is arbitrated, and will be arbitrated in the transaction results on the same day and the incoming arbitration contract of same day maximum temperature value, is tied according to arbitration
Fruit obtains this transaction results.Circulation is executed the operation of step 3 and step 4 by stator channel later, if approving to transaction results
The operation for then continuing to repeat step 3 and step 4 is arbitrated again if not approving to transaction results, until having executed
Until the number drafted in game contract, final transaction results are obtained.
Later participant U1 or participant U2 by final transaction results be sent to root contract (result include participant U1 and
The resulting balance of participant U2), integral is forwarded in the account of participant U1 and participant U2 by root contract according to transaction results,
Entire transaction terminates, and stator channel is closed.
Method of commerce and system are executed under chain based on block chain contract layer of the invention, by the contract layer list in block chain
It is solely stripped out, specific process of exchange is put under chain and carries out, and final transaction results are pushed on chain and are settled accounts, can
The delay for reducing block chain network influences many and diverse process of exchange bring, and can be reduced the formality generated in process of exchange
Take, moreover it is possible to maintain secrecy to specific trade detail.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Those skilled in the art can understand the contents of the present invention and implements accordingly, and protection of the invention can not be limited with this
Range.Any equivalent change or modification in accordance with the spirit of the invention should be covered by the protection scope of the present invention.
Claims (10)
1. executing method of commerce under a kind of chain based on block chain contract layer, it is characterised in that the following steps are included:
Step 1: participant drafts intelligent contract jointly, and determines the prophesy machine contract for obtaining external data, creation state channel,
Particular clients are made；
The intelligence contract includes contract under the root contract being deployed on chain and the chain being deployed under chain, is wrapped in contract under the chain
Include trading rules and transaction count；
Step 2: root contract is deployed on the public chain that workbench provides by participant, and is transferred to agreement in described contract
Contract under the chain is deployed under the public chain by integral by the particular clients, and the stator channel is opened；
Step 3: prophesy machine contract obtains external data and is uploaded to contract under chain, is advised according to the transaction drafted in contract under chain
Then, change the balance status of participant；
Step 4: participant passes through Signature Confirmation single transaction result；
Step 5: repeating step 3 and step 4 until completing the transaction count drafted in contract under chain, obtain knot of finally trading
Final transaction results are sent to root contract by fruit, participant, and integral is forwarded to participant account according to transaction results by root contract
In, the stator channel is closed.
2. according to method of commerce is executed under the chain based on block chain contract layer described in claim 1, it is characterised in that: the step
4 comprising the following specific steps
If participant all approves each transaction results, approval of signing；
If participant has objection to certain transaction results, sign and do not approve, transaction results need to be arbitrated.
3. according to method of commerce is executed under the chain based on block chain contract layer described in claim 2, it is characterised in that the arbitration
Step the following steps are included:
S1: contract under the chain is deployed on the public chain as arbitration contract by a wherein side, and determines that the arbitration is closed
About effectively；
S2: contentious transaction results and this external data obtained are sent to root contract；
S3: root contract calls the arbitration contract, and contentious transaction results and this external data obtained is passed to secondary
It cuts out in contract and is arbitrated；
The arbitration result that S4: described contract obtains arbitration contract obtains this transaction results.
4. according to method of commerce is executed under the chain based on block chain contract layer described in claim 3, it is characterised in that described in determining
Arbitrate contract whether effectively the following steps are included:
Described contract has the hash value of contract under chain in advance, and the address of the arbitration contract and hash value are sent to root and closed
About, root contract judges whether the hash value is effective；
If effectively, allowing the arbitration contract and approving arbitration result；
If invalid, the arbitration contract is not allowed not approve arbitration result.
5. executing transaction system under a kind of chain based on block chain contract layer, it is characterised in that: it includes participant and foundation
Stator channel between the parties, the stator channel include two parts on chain and under chain, are disposed on the chain and under chain
There is an intelligent contract, the intelligence contract includes contract under the root contract being deployed on chain and the chain being deployed under chain, on the chain
It is also deployed with arbitration contract and prophesy machine contract, described contract is for finally settling accounts, and contract is for executing transaction under the chain
Process, checked operation of the arbitration contract for participant to being traded when having objection under chain, the prophesy machine contract is for mentioning
For necessary external data.
6. according to transaction system is executed under the chain based on block chain contract layer described in claim 5, it is characterised in that: the participation
Signature scheme authorized agent can be passed through.
7. according to transaction system is executed under the chain based on block chain contract layer described in claim 6, it is characterised in that: described conjunction
It about include the hash value of contract, the public key address of participant, authorized procuratorial public key address and described under the chain
The public key address of prophesy machine contract.
8. according to transaction system is executed under the chain based on block chain contract layer described in claim 5, it is characterised in that: the arbitration
Contract includes the public key address of participant, and the content of the arbitration contract is consistent with treaty content under the chain.
9. according to transaction system is executed under the chain based on block chain contract layer described in claim 5, it is characterised in that: the prophesy
Machine contract include provided for contract under the chain external data public key address and chain under significant data needed for contract.
10. according to transaction system is executed under the chain based on block chain contract layer described in claim 5, it is characterised in that: the chain
Lower contract includes code source, and the code source includes the balance status of trading rules, the public key address of participant and each address.
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