CN109919769A - Model and its implementation across chain tra nsfer are worth between a kind of main chain side chain - Google Patents
Model and its implementation across chain tra nsfer are worth between a kind of main chain side chain Download PDFInfo
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- CN109919769A CN109919769A CN201910195844.9A CN201910195844A CN109919769A CN 109919769 A CN109919769 A CN 109919769A CN 201910195844 A CN201910195844 A CN 201910195844A CN 109919769 A CN109919769 A CN 109919769A
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Abstract
The present invention provides be worth the model across chain tra nsfer between a kind of main chain side chain, including five parts: 1) running on the intelligent contract of side chain, the chain of a UTXO model is generated as contract chain by algorithm, for storing deposit and taking out the transaction of logical card, the unit of transaction is the unit of the logical card of main chain, passes through bancor agreement in the intelligent contract of side chain and the logical card of two chains is carried out price anchoring；2) the intelligent contract of main chain, the interior root value for storing each piece in contract chain are run on；3) Event that the intelligent contract of Client, monitoring main chain and side chain is issued, and call corresponding interface；4) main chain runs the intelligent contract of main chain；5) side chain runs the intelligent contract of side chain.Also disclose method of the value across chain tra nsfer between main chain side chain of realizing, comprising: step 101, user calls the intelligent contract of main chain, and the logical card of deposit main chain leads to card to obtain side chain；Step 102, user calls the intelligence and about startExit method of side chain, and the logical card of side chain is converted to the logical card of main chain.
Description
Technical field
The present invention relates to across the chain technology in distributed account book, especially relate in distributed account book main chain and side chain it
Between carry out value Transfer modelling and implementation method.
Background technique
Public chain a hundred flowers blossom ground development while, based on transaction performance, capacity scale, secret protection, close rule supervision
Consider, alliance's chain and private chain technology are widely used by especially financial institution, commercial undertaking.It is seen compared to public affairs chain, present alliance
The growth momentum of chain wants much dazzling, but we need it is vigilant, not allow alliance's chain become pure centralization or mostly in
The heart, compared to traditional distributed account book technology, present most alliance's chain is obviously without providing too much achievable not
It is reversible transaction or reduction centralization risk mode, the trust of these centralization formulas can make alliance's chain block chain because network examine and
The fault of simple fault point causes whole network to be among risk.In contrast, under the frame of public chain, transaction is once complete
It can be changed at transmission confirmation is unmanned.For alliance's chain, either subjective group does evil or the examination because that can not resist or multinode
The risks such as failure all allow their users that this but thoroughly can not be trusted and be trusted.The mode of alliance's chain and private chain is from certain
Degree violated distributed account book go center be worth and trust systems, also allow digital asset that cannot directly turn in different interchains
It moves, actively or passively results in the isolated island of value.In addition, intercommunity high degree limits distributed account book between chain
Application space.No matter across chain technology is exactly the key of realized value interconnection from the point of view of public chain or private chain, it is distributed
The good medicine that account book is saved out from the isolated island of dispersion is the distributed bridge expanded and connected outward.
Summary of the invention
It is worth between a kind of main chain side chain across the model of chain tra nsfer and its realization side in view of this, the present invention provides
Method, to solve the problems, such as two main problems across chain technology: one is trusted each other between main chain side chain, and second is main
The problem of being anchored is worth between the logical card of chain and the logical card of side chain.
The purpose of the present invention is to provide the model across chain tra nsfer, including five are worth between a kind of main chain side chain
Point:
1) the intelligent contract of side chain is run on, passes through algorithm in the intelligent contract of the side chain, generates a UTXO model
Chain as contract chain, for storing deposit and taking out the transaction of logical card, the unit of transaction is the unit of the logical card of main chain, the side
The logical card of two chains is carried out by price anchoring by bancor agreement in the intelligent contract of chain；
2) the intelligent contract of main chain is run on, in the intelligent contract of the main chain each piece in the storage contract chain
Root value；
3) Client, the Event that the intelligent contract for the intelligent contract and the side chain of monitoring the main chain is issued,
And call the corresponding interface of the intelligent contract of the main chain and the intelligent contract of the side chain；
4) main chain, for running the intelligent contract of the main chain；
5) side chain, for running the intelligent contract of the side chain.
The object of the invention is also to provide being worth the implementation method across chain tra nsfer between a kind of main chain side chain, including
Step:
Step 101, user calls the intelligent contract of the main chain, and the logical card of deposit main chain is to obtain the logical card of side chain；
Step 102, user calls the intelligence and about startExit method of the side chain, and the logical card of side chain is converted to main chain
Logical card.
Preferably, the step 101 includes:
Step 1001, user sends out the deposit method that main chain contract is called in transaction；
Step 1002, main chain contract generates a block Block, is put into the contract chain of main chain, described piece of Block only includes
Root and blocknum simultaneously sends deposit event；
Step 1003, Client listens to the deposit event of main chain, obtain belonging to person, the logical card amount of money of main chain,
Blockroot value calls the deposit method of the intelligent contract of the side chain；
Step 1004, it includes blockroot, blocknum that the intelligence of the side chain and about deposit method, which create one,
Block Block, construction one be put into described piece of Block by owner address to the transaction of contract address, by described piece
Block is added in the contract chain of the side chain；
Step 1005, bancor contract is called, the logical card amount of money of main chain is converted into the logical card amount of money of side chain, and to owner side
It transfers accounts address on chain；
Step 1006, terminate.
Preferably, the step 102 includes:
Step 2001, user sends out the startExit method that the intelligent contract of the side chain is called in transaction；
Step 2002, side chain contract deducts the logical card in side chain station address and calls bancor agreement, by the logical card of side chain
The amount of money is converted to the logical card amount of money of main chain, constructs a UTXO transaction, and from contract address to station address, unit is the logical card of main chain,
Send out block createBlock event；
Step 2003, Client listens to the creatBlock event of side chain, and transaction is signed, and generates
Blockroot calls main chain and about submitBlock method, calls the addBlock method of side chain；
Step 2004, the intelligence of main chain and about submitBlock method, new block is added on main chain contract chain,
The intelligence of side chain and about addBlock method, new block is added on side chain contract chain；
Step 2005, the logical card of the main chain of the corresponding amount of money is transferred to station address by the intelligent contract of main chain；
Step 2006, terminate.
Preferably, the intelligent contract of the intelligent contract of the main chain and the side chain stores same contract chain, described
The root of block in main chain storage chains, the side chain storage is complete block, and what the main chain and side chain stored is same
Chain, so as to be mutually authenticated, when logical card occurs exchanging, the main chain intelligence contract can be to constructing in side chain intelligence contract
Transaction carry out sign test.
Preferably, for the bancor agreement as value anchoring strategy, the bancor is the flow network of decentralization,
With network wallet, user can be allowed to hold any token and convert it into any other token in network, without transaction pair
Hand carries out calculation of price by algorithm, and the bancor agreement is the new standard of the encryption currency of intelligent token, passes through algorithm
Automatic to calculate the conversion for realizing token in network, the bancor agreement uses " connector " module, protects in intelligent contract
Other erc20 scrip balances are deposited, the bancor formula recalculates price continuously and uninterruptedly to keep the intelligence token
Balance between their connector.
Beneficial effects of the present invention:
1, method of the invention solves the problems, such as phase mutual trust between main chain side chain, main chain and side chain because storage is same
Chain, so can be mutually authenticated, when logical card occurs exchanging, main chain intelligence contract can also be to constructing in side chain intelligence contract
Transaction carry out sign test.
2, method of the invention solves the problems, such as to be worth anchoring between the logical card of main chain and the logical card of side chain, uses bancor agreement
As value anchoring strategy.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.Target and feature of the invention will be apparent from view of following description taken together with the accompanying drawings,
In attached drawing:
Fig. 1 is according to being worth the model framework schematic diagram across chain tra nsfer between the main chain side chain of the embodiment of the present invention；
Fig. 2 is to obtain the logical card method flow diagram of side chain according to the logical card of the deposit main chain of the embodiment of the present invention；
Fig. 3 is to convert to the logical card method flow diagram of main chain according to the logical card of the side chain of the embodiment of the present invention.
Specific embodiment
In order to enable the present invention can be more obvious and easy to understand for its invention main points, below in conjunction with attached drawing and example to this
Invention is further described.Be explained in the following description many details and specific example, provide these examples be in order to
The present invention can be thoroughly understood, and completely can visually be communicated to those skilled in the art for of the invention.Although
The present invention can with much be different from this description embodied in other, but those skilled in the art can without prejudice to this
Corresponding popularization is done in the case where invention intension, therefore the present invention is not limited by following public specific example and specific attached drawing
System.
Referring to Fig. 1, the model across chain tra nsfer, including five parts are worth between main chain side chain:
1) the intelligent contract of side chain is run on, passes through algorithm in the intelligent contract of the side chain, generates a UTXO model
Chain as contract chain, for storing deposit and taking out the transaction of logical card, the unit of transaction is the unit of the logical card of main chain, the side
The logical card of two chains is carried out by price anchoring by bancor agreement in the intelligent contract of chain；
2) the intelligent contract of main chain is run on, in the intelligent contract of the main chain each piece in the storage contract chain
Root value；
3) Client, the Event that the intelligent contract for the intelligent contract and the side chain of monitoring the main chain is issued,
And call the corresponding interface of the intelligent contract of the main chain and the intelligent contract of the side chain；
4) main chain, for running the intelligent contract of the main chain；
5) side chain, for running the intelligent contract of the side chain.
The implementation method across chain tra nsfer is worth between main chain side chain, comprising steps of
Step 101, user calls the intelligent contract of the main chain, and the logical card of deposit main chain is to obtain the logical card of side chain；
Step 102, user calls the intelligence and about startExit method of the side chain, and the logical card of side chain is converted to main chain
Logical card.
Referring to fig. 2, step 101 includes:
Step 1001, user sends out the deposit method that main chain contract is called in transaction；
Step 1002, main chain contract generates a block Block, is put into the contract chain of main chain, described piece of Block only includes
Root and blocknum simultaneously sends deposit event；
Step 1003, Client listens to the deposit event of main chain, obtain belonging to person, the logical card amount of money of main chain,
Blockroot value calls the deposit method of the intelligent contract of the side chain；
Step 1004, it includes blockroot, blocknum that the intelligence of the side chain and about deposit method, which create one,
Block Block, construction one be put into described piece of Block by owner address to the transaction of contract address, by described piece
Block is added in the contract chain of the side chain；
Step 1005, bancor contract is called, the logical card amount of money of main chain is converted into the logical card amount of money of side chain, and to owner side
It transfers accounts address on chain；
Step 1006, terminate.
Referring to Fig. 3, step 102 includes:
Step 2001, user sends out the startExit method that the intelligent contract of the side chain is called in transaction；
Step 2002, side chain contract deducts the logical card in side chain station address and calls bancor agreement, by the logical card of side chain
The amount of money is converted to the logical card amount of money of main chain, constructs a UTXO transaction, and from contract address to station address, unit is the logical card of main chain,
Send out block createBlock event；
Step 2003, Client listens to the creatBlock event of side chain, and transaction is signed, and generates
Blockroot calls main chain and about submitBlock method, calls the addBlock method of side chain；
Step 2004, the intelligence of main chain and about submitBlock method, new block is added on main chain contract chain,
The intelligence of side chain and about addBlock method, new block is added on side chain contract chain；
Step 2005, the logical card of the main chain of the corresponding amount of money is transferred to station address by the intelligent contract of main chain；
Step 2006, terminate.
The intelligent contract of main chain and the intelligent contract of the side chain store same contract chain, block in main chain storage chains
Root, and side chain storage is complete block, and what is stored due to main chain and side chain is same chain, so as to be mutually authenticated,
When logical card exchange occurs, main chain intelligence contract can also carry out sign test to the transaction constructed in side chain intelligence contract.
Using bancor agreement as value anchoring strategy, bancor is the flow network of decentralization, with network wallet,
User can be allowed to hold any token and any other token converted it into network passes through algorithm without counterparty
Calculation of price is carried out, bancor agreement is the new standard of the encryption currency of intelligent token, calculates automatically by algorithm and realizes network
The conversion of middle token, the bancor agreement use connector modules, are saved more than other erc20 tokens in intelligent contract
Volume, bancor formula recalculate price continuously and uninterruptedly to keep the balance between intelligent token and their connector.
New digital asset is not only established by Bancor agreement, is also currency, bank, the fields such as finance provide more possibilities,
It provides more tools for innovation world financial system.
Using the model and implementation method of the present embodiment, on the one hand solves the problems, such as phase mutual trust between main chain side chain, specifically
Method are as follows: the basis of the trust problem first between solution main chain side chain is the intelligent contract that both sides trust other side.It is double in this case
Same contract chain is stored in Fang Zhineng contract, difference is the root of block in main chain storage chains, and side chain storage is
Complete block.Main chain and side chain can be mutually authenticated because storage is same chain.When logical card exchange occurs,
Main chain intelligence contract can also carry out sign test to the transaction constructed in side chain intelligence contract；On the other hand the logical card of main chain and side are solved
Anchoring problem, used method are worth between the logical card of chain are as follows: use bancor agreement as value anchoring strategy.Bancor is
The flow network of decentralization be held any token by can be allowed user and be converted it into any in network with network wallet
Other tokens carry out calculation of price by algorithm, the bancor agreement is the encryption goods of intelligent token without counterparty
The new standard of coin, the conversion for realizing token in network is calculated by algorithm automatically, and the bancor agreement uses " connector "
Module, saves other erc20 scrip balances in intelligent contract, and the bancor formula continuously and uninterruptedly recalculates price
To keep the balance between intelligence token and their connector.New number money is not only established by Bancor agreement
The fields such as production is also currency, bank, finance provide more possibilities, it is provided more for innovation world financial system
Tool.
Although the present invention is described by reference to specific illustrative embodiments, these embodiments are not will receive
Restriction and only limited by accessory claim.It should be understood by those skilled in the art that can be without departing from of the invention
Change and modification are able to carry out to the embodiment of the present invention in the case where protection scope and spirit.
Claims (6)
1. being worth the model across chain tra nsfer between a kind of main chain side chain, it is characterised in that including five parts:
1) the intelligent contract of side chain is run on, passes through algorithm in the intelligent contract of the side chain, generates the chain of a UTXO model
As contract chain, for storing deposit and taking out the transaction of logical card, the unit of transaction is the unit of the logical card of main chain, the side chain
The logical card of two chains is carried out by price anchoring by bancor agreement in intelligent contract；
2) the intelligent contract of main chain is run on, each piece in the contract chain of root is stored in the intelligent contract of the main chain
Value；
3) Client, the Event that the intelligent contract for the intelligent contract and the side chain of monitoring the main chain is issued, and adjust
With the corresponding interface of the intelligent contract of the intelligent contract and side chain of the main chain；
4) main chain, for running the intelligent contract of the main chain；
5) side chain, for running the intelligent contract of the side chain.
2. a kind of be worth the model realization main chain side across chain tra nsfer using between a kind of main chain side chain described in claim 1
Across chain tra nsfer method is worth between chain, it is characterised in that comprising steps of
Step 101, user calls the intelligent contract of the main chain, and the logical card of deposit main chain is to obtain the logical card of side chain；
Step 102, user calls the intelligence and about startExit method of the side chain, and the logical card of side chain is converted to the logical card of main chain.
3. according to the method described in claim 2, it is characterized in that the step 101 includes:
Step 1001, user sends out the deposit method that main chain contract is called in transaction；
Step 1002, main chain contract generates a block Block, is put into the contract chain of main chain, described piece of Block only includes root
With blocknum and send deposit event；
Step 1003, Client listens to the deposit event of main chain, obtains affiliated person, the logical card amount of money, blockroot of main chain
Value, calls the deposit method of the intelligent contract of the side chain；
Step 1004, it includes blockroot, the block of blocknum that the intelligence of the side chain and about deposit method, which create one,
Block, construction one are put into described piece of Block by owner address to the transaction of contract address, described piece of Block are added
It is added in the contract chain of the side chain；
Step 1005, bancor contract is called, the logical card amount of money of main chain is converted into the logical card amount of money of side chain, and on owner's side chain
Address transfer accounts；
Step 1006, terminate.
4. according to the method described in claim 2, it is characterized in that the step 102 includes:
Step 2001, user sends out the startExit method that the intelligent contract of the side chain is called in transaction；
Step 2002, side chain contract deducts the logical card in side chain station address and calls bancor agreement, by the logical card amount of money of side chain
The logical card amount of money of main chain is converted to, a UTXO transaction is constructed, from contract address to station address, unit is the logical card of main chain, is sent
Block createBlock event out；
Step 2003, Client listens to the creatBlock event of side chain, transaction is signed, and generate blockroot,
Main chain and about submitBlock method are called, the addBlock method of side chain is called；
Step 2004, the intelligence of main chain and about submitBlock method, new block are added on main chain contract chain, side chain
Intelligence and about addBlock method, new block is added on side chain contract chain；
Step 2005, the logical card of the main chain of the corresponding amount of money is transferred to station address by the intelligent contract of main chain；
Step 2006, terminate.
5. according to the method described in claim 2, it is characterized in that the intelligent contract of the main chain and the intelligence of the side chain
Contract stores same contract chain, the root of block in the main chain storage chains, and the side chain storage is complete block, described
What main chain and side chain stored is same chain, and so as to be mutually authenticated, when logical card exchange occurs, the main chain intelligence is closed
Can about sign test be carried out to the transaction constructed in side chain intelligence contract.
6. according to the method described in claim 2, it is characterized in that bancor agreement conduct value anchoring strategy, described
Bancor is the flow network of decentralization, with network wallet, user can be allowed to hold any token and convert it into network
In any other token calculation of price is carried out by algorithm, the bancor agreement is intelligent token without counterparty
Encryption currency new standard, calculates the conversion of token in realization network automatically by algorithm, the bancor agreement uses
" connector " module, saves other erc20 scrip balances in intelligent contract, and the bancor formula is continuously and uninterruptedly again
Price is calculated to keep the balance between the intelligence token and their connector.
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