CN108269190A - Across chain method and its system based on across chain relaying platform - Google Patents

Across chain method and its system based on across chain relaying platform Download PDF

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CN108269190A
CN108269190A CN201810044858.6A CN201810044858A CN108269190A CN 108269190 A CN108269190 A CN 108269190A CN 201810044858 A CN201810044858 A CN 201810044858A CN 108269190 A CN108269190 A CN 108269190A
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chain
contract
transaction
relaying
platform
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张华飞
梁永甫
王超
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Shenzhen Sifang Jing Chuang Touchplus Information Corp
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Shenzhen Sifang Jing Chuang Touchplus Information Corp
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    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/542—Event management; Broadcasting; Multicasting; Notifications

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Abstract

The present invention relates to across chain method and its system based on across chain relaying platform, wherein, across chain method, including：User's request is sent to traffic contract by step 1；Step 2 judges whether that across chain transaction occurs；If so, three are entered step, if it is not, then entering step six；Step 3 calls across chain contract, generates event, parameter is passed to across chain relaying platform；Step 4 receives the event notice that block chain transmits, and calls across the chain contract of another chain, then calling traffic contract is gone to complete transaction by across chain contract；Step 5, transaction preserve an execution state, if it is all successful to merchandise on the chain of both parties, more new state, if a side performs failure, retract transaction；Step 6, into block chain network platform.The present invention is unified by different types of data well, using identical method call different blocks platform chain, does not need to comprehend that the interface of different chains, parameter are inconsistent, realizes the message transmission between different blocks chain.

Description

Across chain method and its system based on across chain relaying platform
Technical field
The present invention relates to across chain methods, more specifically refer to across chain method and its system based on across chain relaying platform.
Background technology
At present, block chain technology is in the epoch that a hundred flowers blossom, lets a hundred schools contend, and various different blocks chains emerge one after another Come, the interactive operation between different blocks chain becomes an extremely important and urgent demand；But existing technology is deposited In problems with：1st, different blocks chain data type disunity；2nd, Sdk method of calling difference is big, language protocol disunity；3rd, no Interface is not provided with block chain, transmits data mutually.
Therefore, it is necessary to design a kind of across chain method based on across chain relaying platform, realize different types of data unification, Using identical method call block platform chain, it is inconsistent not need to comprehend the interface of different chains, parameter, between different blocks chain Message is transmitted mutually by across chain relaying.
Invention content
The defects of it is an object of the invention to overcome the prior art, provide across chain method based on across chain relaying platform and its System.
To achieve the above object, the present invention uses following technical scheme：
Based on across the chain method of across chain relaying platform, include the following steps：
User's request is sent to traffic contract by step 1；
Step 2, traffic contract judge whether that across chain transaction occurs；If so, three are entered step, if it is not, then entering step Rapid six；
Step 3 calls across chain contract, generates event, parameter is transmitted to across chain relaying platform；
Step 4 receives the event notice that block chain passes over, calls across the chain contract of another chain, then by across chain Contract goes that traffic contract is called to complete transaction；
Step 5, transaction preserve an execution state, if it is all successful to merchandise on the chain of both parties, more new state, if One side performs failure, then retract transaction；
Step 6, into block chain network platform.
Its further technical solution is：The traffic contract is for judging whether to generate across chain transaction, by inquiring block Account list on chain, and perform specific service logic.
Its further technical solution is：The service logic includes increasing or decreasing account amount of money.
Its further technical solution is：Across the chain contract includes, for receiving across chain request, recording the number merchandised across chain Across chain relaying platform is sent to according to, state, and by across chain event is generated.
Its further technical solution is：Across the chain contract further includes to receive the friendship that across the chain contract of an other side returns State is easily performed, and updates the state of itself；When an other side return state for failure, then call traffic contract carry out rollback Operation.
Its further technical solution is：Across the chain relaying platform uses PBFT algorithms, elects a node conduct Leader nodes, Leader nodes are for the event in monitoring block chain in real time；When across chain transaction occurs, Leader nodes are read The parameter of event, and parameter is done into a digital signature, and transmit a request to other nodes and verified, verification node receives Checking request reads the corresponding this time transaction of block chain, Transaction Information is carried out hash verifications, when verification to transaction by adding Signature, and signing messages is returned into leader nodes, leader nodes are collected into signature more than half quantity, data are passed Across the chain contract of another chain is delivered to, across chain contract records transaction data, and is sent to traffic contract execution.
Based on across chain relaying platform across catenary system, including：
Traffic contract module, for judging whether to generate across chain transaction, and perform service logic；
Across the chain contract module being connect with the traffic contract module, for generating event, parameter is transmitted to across in chain After platform；
Across the chain relaying console module being connect with across the chain contract module, for monitoring the event in block chain in real time, When across chain transaction occurs, the information that event is transmitted is read, passes data to across the chain contract of another chain, records number of deals According to, and it is sent to traffic contract execution.
Its further technical solution is：The traffic contract module is performed by inquiring the account list on block chain Specific service logic；The service logic includes increasing or decreasing account amount of money.
Its further technical solution is：Across the chain contract module includes, for receiving across chain request, recording across chain transaction Data, state, and be sent to across chain relaying console module by across chain event is generated；Receive what across the chain contract of an other side returned Transaction execution state, and update the state of itself；When an other side return state for failure, then traffic contract is called to be returned Rolling operation；Across the chain contract module is additionally operable to across the chain relaying console module of verification calls whether signature is legal, and whether is number of signature More than half, do not pass through when verifying, then refuse the calling of across chain relaying console module.
Its further technical solution is：Across the chain relaying console module is deployed with several nodes, when some node is received To request when, while send the request to other nodes and verify, if verification is not by performing transaction then.
Compared with the prior art, the invention has the advantages that：By the way that user's request is sent to traffic contract, business is closed About judge whether that across chain transaction occurs；If across chain contract is then called in the transaction produced across chain, across chain contract generates event, will Parameter is transmitted to across chain relaying platform, receives the event notice that block chain passes over, calls across the chain contract of another chain, It is gone that traffic contract is called to complete transaction by across chain contract again；It is well that different types of data is unified, use identical method tune It with different blocks platform chain, does not need to comprehend that the interface of different chains, parameter are inconsistent, realizes the mutual of message between different blocks chain Mutually transmit.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the flow chart across chain method based on across chain relaying platform；
Fig. 2 is the block diagram across catenary system based on across chain relaying platform；
Fig. 3 is the schematic diagram of across the chain method specific embodiment based on across chain relaying platform.
10 traffic contract module, 20 across chain contract module
30 across chain relaying console modules
Specific embodiment
In order to more fully understand the present invention technology contents, with reference to specific embodiment to technical scheme of the present invention into One step introduction and explanation, but not limited to this.
If Fig. 1 is to specific embodiment shown in Fig. 3, as shown in Figure 1, the invention discloses based on across chain relaying platform across Chain method, includes the following steps：
User's request is sent to traffic contract by step 1；
Step 2, traffic contract judge whether that across chain transaction occurs；If so, three are entered step, if it is not, then entering step Rapid six；
Step 3 calls across chain contract, generates event, parameter is transmitted to across chain relaying platform；
Step 4 receives the event notice that block chain passes over, calls across the chain contract of another chain, then by across chain Contract goes that traffic contract is called to complete transaction；
Step 5, transaction preserve an execution state, if it is all successful to merchandise on the chain of both parties, more new state, if One side performs failure, then retract transaction；
Step 6, into block chain network platform.
Wherein, traffic contract by inquiring the account list on block chain, and is held for judging whether to generate across chain transaction The specific service logic of row.
Further, service logic includes increasing or decreasing account amount of money.
Wherein, across chain contract includes receiving across chain request, records data, the state merchandise across chain, and by generation across Chain event is sent to across chain relaying platform.
Further, across chain contract further includes performs state for receiving the transaction that across the chain contract of an other side returns, and Update the state of itself；When an other side return state for failure, then call traffic contract carry out rolling back action.
Wherein, across chain relaying platform uses PBFT algorithms, and one node of election is used as Leader nodes, Leader nodes Event in monitoring block chain in real time；When across chain transaction occurs, Leader nodes read the parameter of event, and parameter is done one A digital signature, and transmit a request to other nodes and verified, verification node receives checking request, reads block chain and corresponds to This time merchandise, Transaction Information is subjected to hash verifications, when verification passes through to transaction plus signature, and signing messages is returned to Leader nodes, leader nodes are collected into signature more than half quantity, pass data to across the chain conjunction of another chain About, across chain contract record transaction data, and it is sent to traffic contract execution.
Wherein, in step 6, block chain network platform is fabric, is a kind of block link network under hyperlegder Network platform.
Specifically, as shown in Fig. 2, the invention also discloses based on across chain relaying platform across catenary system, including：
Traffic contract module 10, for judging whether to generate across chain transaction, and perform service logic；
Across the chain contract module 20 being connect with traffic contract module 10, for generating event, parameter is transmitted to across in chain After platform；
Across the chain relaying console module 30 being connect with across chain contract module 20, for monitoring the event in block chain in real time, When across chain transaction occurs, the information that event is transmitted is read, passes data to across the chain contract of another chain, records number of deals According to, and it is sent to traffic contract execution.
Wherein, traffic contract module 10 is by inquiring the account list on block chain, and performs specific service logic；Industry Business logic includes increasing or decreasing account amount of money.
Wherein, across chain contract module 20 includes receiving across chain request, records data, the state merchandised across chain, and will It generates across chain event and is sent to across chain relaying console module 30；It receives the transaction that across the chain contract of an other side returns and performs state, And update the state of itself；When an other side return state for failure, then call traffic contract carry out rolling back action；Across chain conjunction Whether about module 20 is additionally operable to across the chain relaying console module 30 of verification and calls signature legal, and whether number of signature is more than half, when testing Card does not pass through, then refuses the calling of across chain relaying console module 30.
Wherein, across chain relaying console module 30 is deployed with several nodes, when some node receives request, simultaneously will Request is sent to other nodes and verifies, if verification is not by performing transaction then.
The present invention can apply to several scenes, below the process for using for a certain concrete scene：Specifically, such as Fig. 3 institutes Show, the specific embodiment schematic diagram across chain method based on across chain relaying platform, wherein Bcos is analogous to the another of ether mill Kind block platform chain.
Bob accounts are present in Fabric networks, and Al ice accounts are present in Bcos networks.
1st, Bob transfers accounts for one to Al ice initiations；
2nd, Fabric ends traffic contract first subtracts the remaining sum in the account of Bob, then by inquiring the network where oneself All accounts find that Al ice are not present in this network, so calling across chain contract, across chain contract records specifically across chain friendship Easy content comprising (Bob → Al ice amount of money, stateful transaction (to be confirmed), transaction id) and initiates event notice, by across Chain relaying is sent on across the chain contract of BCOS；
3rd, the content that across the chain contract record of BCOS is specifically merchandised, and the state (to be confirmed) of transaction is recorded, then call The traffic contract at BCOS ends adds this amount of money in the account of Al ice；
The 4th, if the result that traffic contract is called to return is successfully to update across the chain contract state of BCOS to have confirmed that；
4.1st, across the chain contract of Fabric is called, modification state is has confirmed that；
4.2nd, transaction is completed；
If the 5, calling the result that traffic contract returns as failure, across the chain contract state for updating BCOS is failure；
5.1st, across the chain contract of Fabric is called, modification state is failure；
5.2nd, the traffic contract of Fabric is called, by amount of money add-back；
5.3rd, transaction is completed.
In conclusion the present invention, by the way that user's request is sent to traffic contract, traffic contract judges whether to occur across chain Transaction；If across chain contract is then called in the transaction produced across chain, across chain contract generates event, parameter is transmitted to across chain relaying Platform receives the event notice that block chain passes over, calls across the chain contract of another chain, then go to call by across chain contract Traffic contract completes transaction；It is well that different types of data is unified, using identical method call different blocks platform chain, no Interface, the parameter for needing to comprehend different chains are inconsistent, realize the mutual transmission of message between different blocks chain.
It is above-mentioned only with embodiment come the technology contents that further illustrate the present invention, in order to which reader is easier to understand, but not It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's Protection.Protection scope of the present invention is subject to claims.

Claims (10)

1. across the chain method based on across chain relaying platform, which is characterized in that include the following steps：
User's request is sent to traffic contract by step 1；
Step 2, traffic contract judge whether that across chain transaction occurs；If so, three are entered step, if it is not, then entering step Six；
Step 3 calls across chain contract, generates event, parameter is transmitted to across chain relaying platform；
Step 4 receives the event notice that block chain passes over, calls across the chain contract of another chain, then by across chain contract It goes that traffic contract is called to complete transaction；
Step 5, transaction preserve an execution state, if it is all successful to merchandise on the chain of both parties, more new state a, if side Failure is performed, then retract transaction；
Step 6, into block chain network platform.
2. across the chain method according to claim 1 based on across chain relaying platform, which is characterized in that the traffic contract is used In judging whether across the chain transaction of generation, by inquiring the account list on block chain, and specific service logic is performed.
3. across the chain method according to claim 2 based on across chain relaying platform, which is characterized in that the service logic packet It includes and increases or decreases account amount of money.
4. across the chain method according to claim 1 based on across chain relaying platform, which is characterized in that across the chain contract packet It includes to receive across chain request, records data, the state merchandised across chain, and across the chain event of generation is sent to across chain relaying and is put down Platform.
5. across the chain method according to claim 4 based on across chain relaying platform, which is characterized in that across the chain contract is also Transaction including being used to receive across the chain contract return of an other side performs state, and update the state of itself；When an other side returns The state returned is failure, then traffic contract is called to carry out rolling back action.
6. across the chain method according to claim 1 based on across chain relaying platform, which is characterized in that across the chain relaying is flat Platform uses PBFT algorithms, and one node of election is as Leader nodes, and Leader nodes are for the thing in monitoring block chain in real time Part；When across chain transaction occurs, Leader nodes read the parameter of event, and parameter is done a digital signature, and send request It is verified to other nodes, verification node receives checking request, the corresponding this time transaction of block chain is read, by Transaction Information Hash verifications are carried out, when verification passes through to transaction plus signature, and signing messages is returned to leader nodes, leader nodes The signature being collected into more than half quantity, passes data to across the chain contract of another chain, and across chain contract records number of deals According to, and it is sent to traffic contract execution.
7. based on across chain relaying platform across catenary system, which is characterized in that including：
Traffic contract module, for judging whether to generate across chain transaction, and perform service logic；
For generating event, it is flat to be transmitted to across chain relaying by across the chain contract module being connect with the traffic contract module for parameter Platform；
Across the chain relaying console module being connect with across the chain contract module, for monitoring the event in block chain in real time, works as hair Raw across chain transaction reads the information that event is transmitted, passes data to across the chain contract of another chain, records transaction data, and It is sent to traffic contract execution.
8. it is according to claim 7 based on across chain relaying platform across catenary system, which is characterized in that the traffic contract mould Block performs specific service logic by inquiring the account list on block chain；The service logic includes increasing or decreasing Account amount of money.
9. it is according to claim 7 based on across chain relaying platform across catenary system, which is characterized in that across the chain contract mould Block includes receiving across chain request, records data, the state merchandised across chain, and be sent to across chain relaying by across chain event is generated Console module；It receives the transaction that across the chain contract of an other side returns and performs state, and update the state of itself；When an other side returns The state returned is failure, then traffic contract is called to carry out rolling back action；Across the chain contract module is additionally operable to across the chain relaying of verification Whether console module calls signature legal, and whether number of signature is more than half, does not pass through when verifying, then refuses across chain relaying platform mould The calling of block.
10. it is according to claim 7 based on across chain relaying platform across catenary system, which is characterized in that across the chain relaying Console module is deployed with several nodes, when some node receives request, while sends the request to other nodes and does school It tests, if verification is not by performing transaction then.
CN201810044858.6A 2018-01-17 2018-01-17 Across chain method and its system based on across chain relaying platform Pending CN108269190A (en)

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CN114185996A (en) * 2022-02-15 2022-03-15 北京溪塔科技有限公司 Cross-chain transaction processing method and device
CN114519078A (en) * 2022-04-19 2022-05-20 北京理工大学 Cross-chain credible query method and system based on block chain
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Application publication date: 20180710