CN105976231A - Asset management method based on intelligent block chain contracts and nodes - Google Patents
Asset management method based on intelligent block chain contracts and nodes Download PDFInfo
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- CN105976231A CN105976231A CN201610472362.XA CN201610472362A CN105976231A CN 105976231 A CN105976231 A CN 105976231A CN 201610472362 A CN201610472362 A CN 201610472362A CN 105976231 A CN105976231 A CN 105976231A
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Abstract
The invention discloses an asset management method based on intelligent block chain contracts. The method is applied to a block chain, and all the nodes of the block chain are stored with the same intelligent contracts. The method comprises steps that an asset transaction request is generated by a first node, the asset transaction request is broadcasted in the block chain, and the asset transaction request at least comprises a transaction request for actuating a first intelligent contract; after the asset transaction request is received by an accounting node, transaction is confirmed through a common recognition mechanism, the first block data is generated, the first block data is broadcasted in the block chain to enable all the nodes of the block chain to receive the first block data, and the first block data at least comprises a transaction request for actuating the first intelligent contract; for each node, a transmission process is accomplished according to the transmission request contained by the received first block data for actuating the first intelligent contract, and problems of opaque transaction logics, data difference, low efficiency and high cost caused by asset transaction on the basis of the centralized nodes can be effectively solved.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of assets based on block chain intelligence contract
Management method and node.
Background technology
Existing transaction in assets is based on centralization node, but transaction in assets based on centralization node
Have the problem that
(1) logical transaction is opaque: each node performs self-defining process of exchange, does not knows about mutually it
The logical transaction of his node, and logical transaction is separately operable on each node, process of exchange cannot be supervised,
Transaction is easily forged.
(2) data difference problem: it is different that the transaction technology of each node realizes, each have their own technology
Framework, therefore, the data structure format that each node produces is different, between node and node mutually
Need format transformation during communication, and need data are carried out the reconciliation of complexity, to ensure the number of Trading parties
Especially complex according to concordance, data interactive mode and reconciliation mode.
(3) efficiency is low: owing to the execution process of the logical transaction of each node is inconsistent, data form is not
Unanimously, the execution of transaction, confirmation, data reconciliation flow process are longer, it usually needs more than more than one day time
Between, efficiency is the lowest.
(4) Cost Problems that technological disparity is brought: situation about being required for according to oneself due to each node sets
Counting, develop, test and dispose a set of transaction system, development cost and the maintenance cost brought are higher.
Foregoing is only used for auxiliary and understands technical scheme, does not represent and recognizes that foregoing is
Prior art.
Summary of the invention
Present invention is primarily targeted at offer a kind of assets management method based on block chain intelligence contract and
Node, it is intended to solve to carry out logical transaction that transaction in assets brings not based on centralization node in prior art
Technical problem transparent, that data difference problem, efficiency are low and cost is high.
For achieving the above object, a kind of based on block chain intelligence contract the asset management side that the present invention provides
Method, described method is applied in block chain, and described block chain is formed by connecting by multiple nodes, all nodes
The intelligent contract that upper preservation is identical, described method includes:
Primary nodal point generates transaction in assets request, and broadcasts described transaction in assets request in described block chain,
Including at least the transaction request of execution the first intelligence contract, described primary nodal point in described transaction in assets request
For any one node in described block chain；
After accounting nodes receives described transaction in assets request, confirm transaction based on common recognition mechanism and generate the
One block data, broadcasts described first block data so that in described block chain in described block chain
All nodes can receive described first block data, including at least described in described first block data
Perform the transaction request of the first intelligence contract；
For each node in described all nodes, according to the described first block data bag received
The transaction request of described execution the first intelligence contract contained completes process of exchange.
Preferably, described method also includes:
If desired disposing the second intelligence contract, the most described primary nodal point generates disposes transaction request, and in institute
State and block chain is broadcasted described deployment transaction request, described deployment transaction request comprises described second intelligence
The code of contract；
After described accounting nodes receives described deployment transaction request, confirm transaction based on common recognition mechanism, and
Generate the second block data, described block chain is broadcasted described second block data so that described block
All nodes in chain can receive described second block data, at least wraps in described second block data
Transaction request containing described deployment the second intelligence contract and be described second intelligence contract distribution uniquely
Location；
For each node in described all nodes, after receiving described second block data, preserve
The the second intelligence address of contract and code in described second block data, exists realizing the second intelligence contract
Deployment on all nodes in block chain.
Preferably, described method also includes:
If desired deleting the 3rd intelligence contract, the most described primary nodal point generates a transaction in assets request, and
In described block chain, broadcast described transaction in assets request, described transaction in assets request comprises described deletion
The transaction request of the 3rd intelligence contract；
After described accounting nodes receives described transaction in assets request, confirm to conclude the business and raw based on common recognition mechanism
Become the 3rd block data, described block chain is broadcasted described 3rd block data so that described block chain
In all nodes can receive described 3rd block data, described 3rd block data comprises described
Delete the transaction request of the 3rd intelligence contract；
For each node in described all nodes, after receiving described 3rd block data, utilize
The transaction request deleting the 3rd intelligence contract described in described 3rd block data obtains described 3rd intelligence conjunction
Address about, and delete the code of described 3rd intelligence contract, to realize deleting of described 3rd intelligence contract
Remove.
Preferably, described transaction in assets request and described first block data also include first interface title
And parameter transaction；
Described execution the first intelligence contract that described first block data that the most described basis receives comprises
Transaction request completes process of exchange, including:
The transaction request utilizing described execution the first intelligence contract in described first block data obtains first
The address of intelligence contract, obtains the code of described first intelligence contract from local data；
Described parameter transaction is inputted the interface that described first interface title is corresponding, runs described first intelligence
The code of contract；
The operation result that the code running described first intelligence contract obtains is preserved to described local data
In, to complete process of exchange.
For solving the problems referred to above, the present invention also provides for a kind of node, and described node is any in block chain
One node, described block chain is formed by connecting by multiple nodes, and all nodes of described block chain are all protected
Depositing identical intelligent contract, described node includes:
Request generation module, is used for generating transaction in assets request, and broadcasts described money in described block chain
Produce transaction request, including at least the transaction request performing the first intelligence contract in described transaction in assets request；
Accounting module, if using as accounting nodes for described node, is then receiving the friendship of described assets
Easily after request, confirm transaction based on common recognition mechanism and generate the first block data, wide in described block chain
Broadcast described first block data so that all nodes in described block chain can receive described firstth district
Blocks of data, including at least the transaction request of described execution the first intelligence contract in described first block data；
Transaction modules, if for receiving described first block data, then according to described first block data
The transaction request of described execution the first intelligence contract comprised completes process of exchange.
Preferably, described request generation module is additionally operable to if desired dispose the second intelligence contract, then generating unit
Administration's transaction request, and in described block chain, broadcast described deployment transaction request, described deployment transaction request
In comprise described second intelligence contract code；
If described node uses as accounting nodes, the most described accounting module is additionally operable to receive described deployment
After transaction request, confirm transaction based on common recognition mechanism, and generate the second block data, at described block chain
Described second block data of middle broadcast so that all nodes in described block chain can receive described
Two block datas, in described second block data, the transaction including at least described deployment the second intelligence contract please
The unique address asked and distribute for described second intelligence contract；
Described node also includes:
Preserve module, if for receiving described second block data, then preserving described second block data
In the second intelligence address of contract and code, to realize the deployment of the second intelligence contract.
Preferably, described request generation module is additionally operable to if desired to delete the 3rd intelligence contract, and the most described the
One node generates a transaction in assets request, and broadcasts described transaction in assets request in described block chain,
Described transaction in assets request comprises the transaction request of described deletion the 3rd intelligence contract；
If described node uses as accounting nodes, the most described accounting module is additionally operable to receive described assets
After transaction request, confirm transaction based on common recognition mechanism and generate the 3rd block data, in described block chain
Broadcast described 3rd block data so that all nodes in described block chain can receive the described 3rd
Block data, comprises the transaction request of described deletion the 3rd intelligence contract in described 3rd block data；
Described node also includes:
Removing module, if for receiving described 3rd block data, then utilizing described 3rd block data
Described in delete the transaction request of the 3rd intelligence contract and obtain the address of described 3rd intelligence contract, and delete
The code of described 3rd intelligence contract, to realize the deletion of described 3rd intelligence contract.
Preferably, described transaction in assets request and described first block data also include first interface title
And parameter transaction；
The most described transaction modules includes:
Acquisition module, for utilizing the friendship of described execution the first intelligence contract in described first block data
Easily request obtains the address of the first intelligence contract, obtains the generation of described first intelligence contract from local data
Code；
Run module, for described parameter transaction being inputted the interface that described first interface title is corresponding, fortune
The code of the described first intelligence contract of row；
Result preserves module, for being protected by the operation result that the code running described first intelligence contract obtains
Deposit to described local data, to complete process of exchange.
The present invention provides a kind of assets management method based on block chain intelligence contract, and the method is applied to district
In block chain, this block chain is formed by connecting by multiple nodes, and the intelligent contract preserved on each node is identical,
The method includes: primary nodal point generates transaction in assets request, and broadcasts this transaction in assets in this block chain
Request, this transaction in assets request in including at least perform first intelligence contract transaction request, and this first
Node is any one node in block chain, and the accounting nodes in block chain receives this transaction in assets please
After asking, confirm transaction based on common recognition mechanism and generate the first block data, broadcast in this block chain this
One block data so that all nodes in block chain can receive this first block data, for
Each node of block chain, execution the first intelligence contract comprised according to the first block data received
Transaction request complete process of exchange.By arranging identical intelligence conjunction on all nodes in block chain
About so that the logical transaction of all nodes is identical, open and clear, and process of exchange is easily supervised, it is to avoid hand over
Easily it is forged, and owing to identical intelligent contract possesses identical data form so that on all nodes
Data form is consistent.By broadcast packet in block chain containing the transaction request of execution the first intelligence contract, make
Obtain and all will be traded process based on the first intelligence contract on all nodes in block chain, produce identical
Transaction results so that the data on all nodes are the most identical, it is to avoid complicated reconciliation process.And based on upper
State method, it is possible to effectively shorten the time required for the execution of transaction, confirmation, data reconciliation, effectively carry
High efficiency.Additionally, due to the intelligent contract on each node is identical, it is to avoid each node is set respectively
Put development cost that transaction system brings and the high problem of maintenance cost, it is possible to effectively save cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of block chain in the embodiment of the present invention；
Fig. 2 is the flow process of assets management method based on block chain intelligence contract in first embodiment of the invention
Schematic diagram；
Fig. 3 is the flow process of assets management method based on block chain intelligence contract in second embodiment of the invention
Schematic diagram；
Fig. 4 is the flow process of assets management method based on block chain intelligence contract in third embodiment of the invention
Schematic diagram；
Fig. 5 is the schematic flow sheet of the refinement step of step 203 shown in Fig. 2 of the present invention；
Fig. 6 is the schematic diagram of the functional module of fourth embodiment of the invention interior joint；
Fig. 7 is the schematic diagram of the functional module of fifth embodiment of the invention interior joint.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
Due in prior art based on centralization node carry out the logical transaction that transaction in assets brings opaque,
The technical problem that data difference problem, efficiency are low and cost is high.
In order to solve the problems referred to above, the present invention proposes a kind of asset management side based on block chain intelligence contract
Method and node, enabling realize the asset management of decentration, by all nodes in block chain
On identical intelligent contract is set so that the logical transaction of all nodes is identical, open and clear, concludes the business
Cheng Rongyi supervises, it is to avoid transaction is forged, and owing to identical intelligent contract possesses identical data form,
Make the data form on all nodes consistent.Closed containing performing the first intelligence by broadcast packet in block chain
First block data of transaction request about so that all will be based on the first intelligence on all nodes in block chain
Process can be traded by contract, produce identical transaction results so that the data on all nodes are the most identical,
Avoid the reconciliation process of complexity.And based on said method, owing to having identical intelligence conjunction on all nodes
About, it is possible to effectively shorten the time required for the execution of transaction, confirmation, data reconciliation, be effectively improved effect
Rate, and avoid each node is respectively provided with development cost that transaction system brings and maintenance cost is high
Problem, it is possible to effectively save cost.
Referring to Fig. 1, for the schematic diagram of block chain in the embodiment of the present invention, this block chain is by multiple nodes even
Connect and form, concrete, can be connected by P2P peer-to-peer network between node.
Wherein, block chain is the distributed account book data base of a kind of decentration, all joints in block chain
Point all saves one or more intelligence contract, and all nodes on preserve intelligent contract number and
Kind is identical, and for each intelligence contract, all has unique address, and this address is for only
The mark one intelligence contract of one.
Wherein, intelligence contract is a set of contract defining in digital form and realizing, the intelligence on block chain
Contract refers to the computer code that can run, and these codes are capable of the process of exchange of assets, such as, provide
The distribution produced, apply to purchase, transfer the possession of, redemption etc..
In embodiments of the present invention, the regular finance product in assets include but not limited to financial field, debt
Certificate, material object, voucher, information entity etc. product, the value of assets can define with franc that (franc is
The currency that fingering rule is assert), it is also possible to by the affiliate's common definition under concrete business scenario, assets
Can have the attributes such as the total quantity upper limit, expiry date.And assets are created distribution, Ke Yi by particular organization
Apply to purchase on block chain, transfer etc., to keep circulation, after reaching the limited period of assets, can redeem
Issuer, is redeemed for the other assets of franc or other forms.
It is understood that use the object of above-mentioned block chain to include mechanism and user, wherein, mechanism
Refer to join in block chain, it is possible to the member of independent operating, mechanism have certain assets and oneself
Customer group, and in the scene of transaction in assets, have a mechanism of two kinds of roles: issuer and sell machine on a commission basis
Structure.
Wherein, issuer has issuing asset authority, can create and issue certain part in block chain
The assets of volume, after commission organization needs to reach commercial agreement with issuer, just can be sold to assets
Assets are transferred other mechanisms by user, it is also possible to act on behalf of the user of oneself.
Wherein, user is to refer in particular to have the personal user of contract signing relationship, commission organization's management to use with commission organization
The data at family and assets.
Refer to Fig. 2, for asset management side based on block chain intelligence contract in first embodiment of the invention
Method, the method can be applicable to the block chain shown in Fig. 1, and the method includes:
Step 201, primary nodal point generate transaction in assets request, and broadcast described assets in described block chain
Transaction request, including at least the transaction request of execution the first intelligence contract, institute in described transaction in assets request
Stating primary nodal point is any one node in described block chain；
In embodiments of the present invention, any one node of block chain can trigger the process of transaction,
Describing for convenience, the node triggering the process of transaction is referred to as primary nodal point, it can be in block chain
Any one node.
Clerk can arrange transaction on primary nodal point, and primary nodal point will generate transaction in assets request,
And in this block chain, broadcast this transaction in assets request, wherein, including at least performing in transaction in assets request
The transaction request of the first intelligence contract, additionally, can also include first interface name in this transaction in assets request
Title, parameter transaction.Block chain returns unique ID of this transaction.
It should be noted that broadcast in block chain this transaction in assets request specifically include: primary nodal point to
Connected node sends described transaction in assets request, and the node receiving this transaction in assets request is protected
Deposit this transaction in assets request, and judge whether connected node has next stage node, if there being next
Level node, then be transmitted to next stage node by the transaction in assets received request, if there is no next stage node,
Then need not forward so that all nodes in block chain can get this transaction in assets request.Example
As, schematic diagram based on the block chain shown in Fig. 1, block chain comprises node 1 to 6, primary nodal point
For node 1, connected node comprises node 2,3,4, and in node 2,3,4, node 3 is also
Be connected with node 5 and 6, therefore, primary nodal point in block chain during broadcast assets transaction request, node 1
First transaction in assets request is sent to node 2,3,4, owing to node 2 and 4 is not owing to reconnecting other joints
Point, therefore, node 2 and 4 by this transaction in assets of preservation request and does not forwards, due to node 3 even
Connecing node 5 and node 6, therefore, this transaction in assets by this transaction in assets of preservation request and is asked by node 3
It is transmitted to node 5 and node 6.Owing to node 5 and node 6 do not reconnect other nodes, therefore, node
5 and node 6 this transaction in assets of preservation is asked, and do not forward, by the way, it is possible to effectively
Realize transaction in assets request broadcast in block chain.It is understood that in order to ensure in all nodes
Data identical, primary nodal point (node 1) also by this transaction in assets of preservation ask.
It is understood that the above-mentioned process being only to describe broadcast based on transaction in assets request, should in reality
In with, other are asked, such as, dispose transaction request etc., wide in block chain of this other request
Broadcast process similar to the broadcasting process that transaction in assets is asked.
After step 202, accounting nodes receive described transaction in assets request, confirm transaction based on common recognition mechanism
And generate the first block data, described block chain is broadcasted described first block data so that described district
All nodes in block chain can receive described first block data, in described first block data at least
Comprise the transaction request of described execution the first intelligence contract；
In embodiments of the present invention, any one node in block chain can serve as accounting nodes and uses,
This accounting nodes is used for being traded confirming and generating block data, and synchronization, only has in block chain
One accounting nodes, such as, if current time accounting nodes is node 5, next moment accounting nodes can
To become node 7.
Wherein, accounting nodes is confirmation logic based on the accounting nodes pre-set and mechanism determines.
In embodiments of the present invention, all nodes in the chain of region can get primary nodal point broadcast
Transaction in assets is asked, and preserves this transaction in assets request, and transaction in assets request is carried out data process.
Wherein, accounting nodes to receive transaction in assets request carry out data process include: based on common recognition
Mechanism confirms transaction and generates the first block data, and broadcasts this first block data in block chain, makes
The all nodes obtained in block chain can receive in this first block data, and this first block data
Including at least the transaction request performing the first intelligence contract.Additionally, this first block data can also wrap
Include first interface title, parameter transaction, the ID of this time transaction.
Wherein, accounting nodes comprises transaction List Table, after having asked according to transaction in assets to confirm transaction,
This transaction is included in this transaction List Table, and is to generate the first block data based on this transaction List Table, should
First block data comprises current ongoing transaction.Therefore, except comprising in the first block data
This time outside transaction, it is also possible to comprise other transaction.
Step 203, for each node in described all nodes, according to described firstth district received
The transaction request of described execution the first intelligence contract that blocks of data comprises completes process of exchange.
In embodiments of the present invention, after accounting nodes broadcasts the first block data in block chain, block
Each node in chain will receive this first block data.And in all nodes in block chain
The transaction of execution the first intelligence contract that the first block data that basis receives is comprised by each node
Ask process of exchange.I.e. all nodes in block chain all will perform step 203, to guarantee all joints
The data preserved in point are identical.
It should be noted that above-mentioned primary nodal point and accounting nodes can be same nodes, it is also possible to be
Different nodes, therefore, in step 202, accounting nodes receives transaction in assets request two kinds of implications,
One is: if accounting nodes and primary nodal point are not same nodes, then this accounting nodes receives first segment
The transaction in assets request of some broadcast.Another kind is: if this accounting nodes and primary nodal point are same nodes,
Then this accounting nodes obtains the transaction in assets request himself generated.
It is understood that accounting nodes is after generating the first block data, it is also desirable to perform step 203,
To guarantee that the data in all nodes keep consistent.
In embodiments of the present invention, after primary nodal point generates transaction in assets request, will broadcast in this block chain
This transaction in assets is asked, including at least the transaction request of execution the first intelligence contract in this transaction in assets request,
After accounting nodes in block chain receives this transaction in assets request, confirm to conclude the business and raw based on common recognition mechanism
Become the first block data, this block chain is broadcasted this first block data so that owning in block chain
Node can receive this first block data, for each joint in all nodes in block chain
Point, the transaction request of execution the first intelligence contract comprised according to the first block data received completes to hand over
Easily process.By arranging identical intelligent contract on all nodes in block chain so that all nodes
Logical transaction identical, open and clear, process of exchange is easily supervised, it is to avoid transaction be forged, and due to
Identical intelligent contract possesses identical data form so that the data form on all nodes is consistent.Logical
Cross broadcast packet in block chain and contain the first block data of the transaction request performing the first intelligence contract so that
All will be traded process based on the first intelligence contract on all nodes in block chain, produce identical friendship
Easily result so that the data on all nodes are the most identical, it is to avoid complicated reconciliation process.And based on above-mentioned
Method, it is possible to effectively shorten the time required for the execution of transaction, confirmation, data reconciliation, be effectively improved
Efficiency.Additionally, due to the intelligent contract on each node is identical, it is to avoid each node is respectively provided with
Development cost that transaction system is brought and the high problem of maintenance cost, it is possible to effectively save cost.
In embodiments of the present invention, except transaction can be realized based on the intelligent contract in block chain interior joint
Outside, it is also possible to intelligence contract is disposed and deleted, will be introduced respectively below.
Refer to Fig. 3, for assets based on block chain intelligence contract in the second embodiment in the embodiment of the present invention
The schematic flow sheet of management method, the method includes:
Step 301, if desired deployment the second intelligence contract, the most described primary nodal point generates disposes transaction request,
And in described block chain, broadcast described deployment transaction request, described deployment transaction request comprises described
The code of two intelligence contracts；
In embodiments of the present invention, intelligence contract can be deployed to all nodes of block chain by deployment personnel
On, it is to illustrate as a example by the second intelligence contract by this intelligence contract, needs first to be write this by developer
The code of the second intelligence contract, and be compiled and test, after completing compiling and test, by disposing
Personnel call intelligence on any one node (this any one node is referred to as primary nodal point) in block chain
Can the mounting interface of contract, and after this primary nodal point receives this call instruction, generations is disposed and concludes the business
Request, comprises the code of this second intelligence contract, and primary nodal point will be at block in this deployment transaction request
Chain is broadcasted this deployment transaction request so that all nodes in block chain all will get this deployment transaction
Ask, and the accounting nodes in block chain will carry out data to it after getting this deployment transaction request
Process (such as step 302).
After step 302, described accounting nodes receive described deployment transaction request, confirm based on common recognition mechanism
Transaction, and generate the second block data, described block chain is broadcasted described second block data so that
All nodes in described block chain can receive described second block data, described second block data
In including at least described deployment the second intelligence contract transaction request and be that described second intelligence contract distributes
Unique address；
Step 303, for each node in described all nodes, receive described second block data
After, preserve address and the code of the intelligent contract of second in described second block data, to realize the second intelligence
Can contract deployment on all nodes in block chain.
In embodiments of the present invention, accounting nodes is after receiving this deployment transaction request, based on common recognition machine
System confirms transaction, and accounting nodes will generate the second block data, and be this second intelligence contract distribution address,
This address is the unique address of this second intelligence contract, and for mark action, and broadcast should in block chain
Second block data so that all nodes in this block chain can receive this second block data, its
In, this second block data comprises address and the code of the second intelligence contract that needs are disposed.
And for each node of block chain, after receiving this second block data, by preservation this
The address of the second intelligence contract in two block datas and code, to realize the second intelligence contract at block chain
In deployment on all nodes.
In embodiments of the present invention, if desired disposing the second intelligence contract, generation is disposed and is handed over by primary nodal point
Easily request, and in block chain, broadcast this deployment transaction request, this deployment transaction request comprises the second intelligence
The code of energy contract, after accounting nodes receives this deployment transaction request, confirms transaction based on common recognition mechanism,
And generate the second block data, and in block chain, broadcast this second block data so that in block chain
All nodes can receive this second block data, and receives this second block counts for each
According to node, by the address of the second intelligence contract preserved in this second block data and code, by upper
State mode, it is possible to effectively realize second intelligence contract deployment on all nodes in block chain.
Refer to Fig. 4, for assets based on block chain intelligence contract in the 3rd embodiment in the embodiment of the present invention
The schematic flow sheet of management method, the method includes:
Step 401, if desired deletion the 3rd intelligence contract, the most described primary nodal point generates a transaction in assets
Request, and in described block chain, broadcast described transaction in assets request, described transaction in assets request comprises
The transaction request of described deletion the 3rd intelligence contract；
After step 402, described accounting nodes receive described transaction in assets request, confirm based on common recognition mechanism
Conclude the business and generate the 3rd block data, described block chain being broadcasted described 3rd block data so that institute
State all nodes in block chain and can receive described 3rd block data, in described 3rd block data
Comprise the transaction request of described deletion the 3rd intelligence contract；
Step 403, for each node in described all nodes, receive described 3rd block data
After, utilize the transaction request deleting the 3rd intelligence contract described in described 3rd block data to obtain described the
The address of three intelligence contracts, and delete the code of described 3rd intelligence contract, to realize described 3rd intelligence
The deletion of contract.
In embodiments of the present invention, when the manager of intelligence contract determines to delete the 3rd intelligence contract, permissible
Any one node (illustrating with primary nodal point) at block chain generates a transaction in assets request,
Described transaction in assets request comprises the transaction request of described deletion the 3rd intelligence contract, and primary nodal point exists
After checking this transaction in assets request, this transaction in assets request, this transaction in assets will be broadcasted in block chain
Request comprises the transaction request deleting the 3rd intelligence contract.
And after broadcast assets transaction request, all nodes in block chain all will receive this transaction in assets
Request, this transaction in assets, after getting this transaction in assets request, will be asked by the accounting nodes in block chain
Ask and carry out data process (such as step 402).
Wherein, after accounting nodes receives described deletion transaction request, confirm transaction also based on common recognition mechanism
Generate the 3rd block data, and in block chain, broadcast the 3rd block data so that the institute in block chain
There is node can receive the 3rd block data, wherein, the 3rd block data comprises deletion the 3rd intelligence
The transaction request of contract；
In embodiments of the present invention, for each node in block chain, the 3rd block counts is received
According to rear, the transaction request deleting the 3rd intelligence contract in the 3rd block data is utilized to obtain the 3rd intelligence
The address of contract, and delete the code of the 3rd intelligence contract based on this address, to realize the 3rd intelligence conjunction
Deletion about.Due to all of node all by performing the deletion of the 3rd intelligence contract, block chain will be made
In on all nodes number and the kind of intelligence contract keep consistent.
By the way, it is possible to the effective deletion realizing intelligence contract.
In embodiments of the present invention, above-mentioned transaction in assets request, deployment transaction request and deletion transaction please
Ask, the first block data, the second block data and the 3rd block data can also comprise interface name and
Parameter transaction, and the ID, ID based on this transaction that can also comprise this time transaction can uniquely determine one
Transaction, wherein, parameter transaction can be sky parameter, it is also possible to be non-NULL parameter.
Based on above-mentioned Fig. 2 to Fig. 4, referring to Fig. 5, the refinement for step 203 shown in Fig. 2 of the present invention walks
Rapid schematic flow sheet, including:
Step 501, the transaction request of described execution the first intelligence contract utilized in described first block data
Obtain the address of the first intelligence contract, from local data, obtain the code of described first intelligence contract；
Step 502, described parameter transaction is inputted interface corresponding to described first interface title, run described
The code of the first intelligence contract；
Step 503, the operation result preservation obtained by the code running described first intelligence contract are to described
In ground data, to complete process of exchange.
In embodiments of the present invention, transaction in assets request and described first block data also include that first connects
Mouth title and parameter transaction, then each receives the node of the first block data, will utilize this firstth district
The transaction request performing the first intelligence contract in blocks of data obtains this first intelligence contract from local data
Code, wherein, each node in block chain has deployed this first intelligence contract, and
Local data saves address and the code of this first intelligence contract, can be based on the first intelligence contract
The code of this first intelligence contract of address acquisition.
After getting the code of the first intelligence contract, the transaction data in the first block data is inputted
The interface that first interface title is corresponding, and run the code of this first intelligence contract, to start process of exchange,
And the operation result that the code running this first intelligence contract obtains is preserved to local data, to complete
Process of exchange.
By the way, each node in block chain can complete process of exchange.
Refer to Fig. 6, for the schematic diagram of the functional module of fourth embodiment of the invention interior joint, described node
For any one node in block chain, described block chain is formed by connecting by multiple nodes, and described block
All nodes of chain all preserve identical intelligent contract.
In the block chain structure of each node is explained below, it should be noted that if desired realize Fig. 2
Technical scheme to embodiment illustrated in fig. 5, needs all nodes in block chain to coact realization,
Embodiment illustrated in fig. 6 only describes the functional module that individual node is comprised.
All of node in block chain all comprises identical functional module, and for each node, all
Comprise: request generation module 601, accounting module 602 and transaction modules 603.
Request generation module 601, is used for generating transaction in assets request, and broadcast is described in described block chain
Transaction in assets is asked, including at least the transaction request performing the first intelligence contract in described transaction in assets request；
Accounting module 602, if using as accounting nodes for described node, is then receiving described assets
After transaction request, confirm transaction based on common recognition mechanism and generate the first block data, in described block chain
Broadcast described first block data so that all nodes in described block chain can receive described first
Block data, including at least the transaction request of described execution the first intelligence contract in described first block data；
Transaction modules 603, if for receiving described first block data, then according to described first block counts
Process of exchange is completed according to the transaction request of described execution the first intelligence contract comprised.
In embodiments of the present invention, by arranging identical intelligent contract on all nodes in block chain,
The logical transaction making all nodes is identical, open and clear, and process of exchange is easily supervised, it is to avoid transaction quilt
Forge, and owing to identical intelligent contract possesses identical data form so that the data on all nodes
Form is consistent.By the firstth district containing the transaction request performing the first intelligence contract of the broadcast packet in block chain
Blocks of data so that all will be traded process based on the first intelligence contract on all nodes in block chain,
Produce identical transaction results so that the data on all nodes are the most identical, it is to avoid complicated reconciliation process.
And based on said method, it is possible to effectively shorten the time required for the execution of transaction, confirmation, data reconciliation,
It is effectively improved efficiency.Additionally, due to the intelligent contract on each node is identical, it is to avoid to each node
It is respectively provided with development cost that transaction system brings and the high problem of maintenance cost, it is possible to effectively save cost.
Refer to Fig. 7, for the schematic diagram of the functional module of fifth embodiment of the invention interior joint, including: as
Request generation module 601, accounting module 602 and transaction modules 603 in 4th embodiment shown in Fig. 6,
And similar to the content described in embodiment illustrated in fig. 6, do not repeat.
In embodiments of the present invention, described request generation module 601 is additionally operable to if desired dispose the second intelligence
Contract, then generate and dispose transaction request, and broadcast described deployment transaction request, institute in described block chain
State and dispose the code comprising described second intelligence contract in transaction request；
If described node uses as accounting nodes, the most described accounting module 602 is additionally operable to receive described
After disposing transaction request, confirm transaction based on common recognition mechanism, and generate the second block data, in described district
Block chain is broadcasted described second block data so that all nodes in described block chain can receive institute
State the second block data, including at least the friendship of described deployment the second intelligence contract in described second block data
Easily ask and be the unique address of described second intelligence contract distribution；
Described node also includes:
Preserve module 701, if for receiving described second block data, then preserving described second block counts
The address of the second intelligence contract according to and code, to realize the deployment of the second intelligence contract.
Further, described request generation module 601 is additionally operable to if desired delete the 3rd intelligence contract, then
Described primary nodal point generates a transaction in assets request, and broadcasts described transaction in assets in described block chain
Request, comprises the transaction request of described deletion the 3rd intelligence contract in described transaction in assets request；
If described node uses as accounting nodes, the most described accounting module 602 also receives described assets
After transaction request, confirm transaction based on common recognition mechanism and generate the 3rd block data, in described block chain
Broadcast described 3rd block data so that all nodes in described block chain can receive the described 3rd
Block data, comprises the transaction request of described deletion the 3rd intelligence contract in described 3rd block data；
Described node also includes:
Removing module 702, if for receiving described 3rd block data, then utilizing described 3rd block counts
The transaction request deleting the 3rd intelligence contract described according to obtains the address of described 3rd intelligence contract, and deletes
Except the code of described 3rd intelligence contract, to realize the deletion of described 3rd intelligence contract.
In embodiments of the present invention, described transaction in assets request and described first block data also include the
One interface name and parameter transaction；
The most described transaction modules 603 includes:
Acquisition module 703, for utilizing described execution in described first block data the first intelligence contract
Transaction request obtains the address of the first intelligence contract, obtains described first intelligence contract from local data
Code；
Run module 704, for described parameter transaction is inputted the interface that described first interface title is corresponding,
Run the code of described first intelligence contract；
Result preserves module 705, for the operation result obtained by the code running described first intelligence contract
Preserve to described local data, to complete process of exchange.
In embodiments of the present invention, each node in block chain has support to realize transaction, dispose and close
About and delete contract module so that on block chain, all nodes can keep the concordance of data.
In order to be better understood from the technical scheme shown in above-mentioned Fig. 2 to Fig. 7 in the embodiment of the present invention, below
By the data definition introduced in block chain and interface, wherein all nodes in block chain all comprise identical
Interface.
(1) intelligence contract data definition:
Asset data: unique ID of assets, assets title, total volume of issuing, effect duration, price.Each
Issuer can issue multiple assets.
Intelligence contract sample code
The first order be the address (having multiple) of issuer be major key
The second level be the id of assets be major key
If desired multiple issuer, and multiple products (intelligence contract) of each authority releases are recorded, can
Use code below:
Mapping (address=> mapping (int=> product) public productOf；
(2) transaction in assets data:
Transaction in assets data are two-layer configuration, and first order structure is organization address dimension, by organization address is
Major key.Second level structure is transaction dimension, with transaction unique ID as major key, have recorded in a transaction
The assets transfer quantity that each organization address occurs.Such design is easy for the inquiry of organization address dimension
And statistics.
Intelligence contract sample code:
(3) the intelligent contract-defined interface of transaction in assets:
1), distribution interface
function publish(int productID,string name,int current,int max,string
startdate,string enddate)；
Parameter declaration:
Realize flow process:
1. intelligence contract is to incoming data, first checks effectiveness；
2. incoming parameter is encapsulated as Product structure
3., with product ID as major key, arrange in ProductOf asset data object.
2) interface is applied to purchase
function buy(address from,address receiver,string transationID,int
productID,int current,int count)
Parameter declaration:
Realize logic:
Reduce the share for sale of publisher's corresponding assets under one's name, increase the share bought to receiver.
1: the seller of assets, according to product ID, queries asset information, it may be judged whether also have enough
Surplus assets can sell.
2: can sell if any enough surplus assets, then from total amount, deduct the share quantity of this transaction.
As being insufficient to, then termination process.
3: in trade management data, in the transaction data list that the address of receiver is corresponding, increase a friendship
Easily, record correspondence transaction id, Asset ID, share, price, on the date, the state of assets is effective.
3), interface is transferred the possession of
function transfer(address from,address receiver,string
inputTransationID,string outputTransationID,int productID,int current,int count)
Parameter declaration:
Realize logic:
It is invalid that share corresponding to seller is set to, and the share of receiver increases.
1: in trade management data, in the transaction data list that the address of seller is corresponding, according to input
Transation ID finds the transaction record of correspondence, and (this transaction record can arise from applying to purchase or other people turn
Allow), it is judged that state is the most effective, and such as invalid refusal transaction, interface interchange returns, and as effectively, then will
It is set to (transferring the possession of).
2: in trade management data, in the transaction data list that the address of receiver is corresponding, increase a friendship
Easily record, record correspondence transaction id is outputTransationID, Asset ID, share, price, the date,
A transaction corresponding with seller side is identical, and the state of assets is effective.
4) interface is redeemed
function redemption(address from,address receiver,string inputTransationID,
int productID,int current,int count)
Parameter declaration:
Realize logic:
Assets owner assets therein expire, then initiate to redeem operation, assets are rotated back into distribution
Mechanism, issuer settles accounts according to business rules.
1: look in transaction data list according to the mark input Transation ID of address from and transaction
To corresponding transaction in assets, its state is set to (redemption).
2: in the transaction List Table that the issuer that address is receiver is corresponding, increase a transaction record,
Record correspondence transaction id is outputTransationID, Asset ID, share, price, the date, and redeems
One transaction of side's correspondence is identical, and the state of assets is (redemption).
5), query interface
1. inquire about a transaction according to transaction id
function getTransaction(string transactionId,out ProductTransaction
transaction)
Input: transaction id
Output: the details data of product trading
2. the transaction List Table of mechanism is inquired about according to organization address
function getTransactionList(address owner,out map<string,
ProductTransaction>transactionList)；
Input: the address of mechanism
Output: transaction List Table data
Operation layer, according to transaction List Table data, travels through, and is effective to wherein state, adds up,
Obtain the total amount value of certain assets that mechanism has.
6) interface is deleted
The function deleting interface does not refers to delete some transaction or assets, but deletes intelligence contract itself.
It should be noted that above-mentioned distribution interface, apply to purchase interface, transfer the possession of interface, redeem interface all be use
In the interface of transaction in assets, its concrete use can apply in the embodiment shown in above-mentioned Fig. 2, i.e.
Transaction in assets request can be that assets issue transaction request, assets apply to purchase transaction request, assets transfer transaction
Request, assets are redeemed transaction request, and all can be completed process of exchange according to the embodiment shown in Fig. 2.
Wherein, deleting interface and be used for deleting intelligence contract, it can be applicable in embodiment illustrated in fig. 4, with
Realize the deletion of intelligence contract.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive above-mentioned
Embodiment method can add the mode of required general hardware platform by software and realize, naturally it is also possible to logical
Cross hardware, but a lot of in the case of the former is more preferably embodiment.Based on such understanding, the present invention's
The part that prior art is contributed by technical scheme the most in other words can be with the form body of software product
Revealing to come, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, light
Dish) in, including some instructions with so that a station terminal equipment (can be mobile phone, computer, service
Device, air-conditioner, or the network equipment etc.) perform each embodiment of the present invention method.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. an assets management method based on block chain intelligence contract, it is characterised in that described method should
In block chain, described block chain is formed by connecting by multiple nodes, and all nodes preserve identical intelligence
Energy contract, described method includes:
Primary nodal point generates transaction in assets request, and broadcasts described transaction in assets request in described block chain,
Including at least the transaction request of execution the first intelligence contract, described primary nodal point in described transaction in assets request
For any one node in described block chain；
After accounting nodes receives described transaction in assets request, confirm transaction based on common recognition mechanism and generate the
One block data, broadcasts described first block data so that in described block chain in described block chain
All nodes can receive described first block data, including at least described in described first block data
Perform the transaction request of the first intelligence contract；
For each node in described all nodes, according to the described first block data bag received
The transaction request of described execution the first intelligence contract contained completes process of exchange.
Method the most according to claim 1, it is characterised in that described method also includes:
If desired disposing the second intelligence contract, the most described primary nodal point generates disposes transaction request, and in institute
State and block chain is broadcasted described deployment transaction request, described deployment transaction request comprises described second intelligence
The code of contract；
After described accounting nodes receives described deployment transaction request, confirm transaction based on common recognition mechanism, and
Generate the second block data, described block chain is broadcasted described second block data so that described block
All nodes in chain can receive described second block data, at least wraps in described second block data
Transaction request containing described deployment the second intelligence contract and be described second intelligence contract distribution uniquely
Location；
For each node in described all nodes, after receiving described second block data, preserve
The the second intelligence address of contract and code in described second block data, exists realizing the second intelligence contract
Deployment on all nodes in block chain.
Method the most according to claim 1, it is characterised in that described method also includes:
If desired deleting the 3rd intelligence contract, the most described primary nodal point generates a transaction in assets request, and
In described block chain, broadcast described transaction in assets request, described transaction in assets request comprises described deletion
The transaction request of the 3rd intelligence contract；
After described accounting nodes receives described transaction in assets request, confirm to conclude the business and raw based on common recognition mechanism
Become the 3rd block data, described block chain is broadcasted described 3rd block data so that described block chain
In all nodes can receive described 3rd block data, described 3rd block data comprises described
Delete the transaction request of the 3rd intelligence contract；
For each node in described all nodes, after receiving described 3rd block data, utilize
The transaction request deleting the 3rd intelligence contract described in described 3rd block data obtains described 3rd intelligence conjunction
Address about, and delete the code of described 3rd intelligence contract, to realize deleting of described 3rd intelligence contract
Remove.
4. according to the method described in claims 1 to 3 any one, it is characterised in that described assets are handed over
Easily request and described first block data also include first interface title and parameter transaction；
Described execution the first intelligence contract that described first block data that the most described basis receives comprises
Transaction request completes process of exchange, including:
The transaction request utilizing described execution the first intelligence contract in described first block data obtains first
The address of intelligence contract, obtains the code of described first intelligence contract from local data；
Described parameter transaction is inputted the interface that described first interface title is corresponding, runs described first intelligence
The code of contract；
The operation result that the code running described first intelligence contract obtains is preserved to described local data
In, to complete process of exchange.
5. a node, it is characterised in that described node is any one node in block chain, described
Block chain is formed by connecting by multiple nodes, and all nodes of described block chain all preserve identical intelligence conjunction
About, described node includes:
Request generation module, is used for generating transaction in assets request, and broadcasts described money in described block chain
Produce transaction request, including at least the transaction request performing the first intelligence contract in described transaction in assets request；
Accounting module, if using as accounting nodes for described node, is then receiving the friendship of described assets
Easily after request, confirm transaction based on common recognition mechanism and generate the first block data, wide in described block chain
Broadcast described first block data so that all nodes in described block chain can receive described firstth district
Blocks of data, including at least the transaction request of described execution the first intelligence contract in described first block data；
Transaction modules, if for receiving described first block data, then according to described first block data
The transaction request of described execution the first intelligence contract comprised completes process of exchange.
Node the most according to claim 5, it is characterised in that described request generation module is additionally operable to
If desired dispose the second intelligence contract, then generate and dispose transaction request, and in described block chain, broadcast institute
State deployment transaction request, described deployment transaction request comprises the code of described second intelligence contract；
If described node uses as accounting nodes, the most described accounting module is additionally operable to receive described deployment
After transaction request, confirm transaction based on common recognition mechanism, and generate the second block data, at described block chain
Described second block data of middle broadcast so that all nodes in described block chain can receive described
Two block datas, in described second block data, the transaction including at least described deployment the second intelligence contract please
The unique address asked and distribute for described second intelligence contract；
Described node also includes:
Preserve module, if for receiving described second block data, then preserving described second block data
In the second intelligence address of contract and code, to realize the deployment of the second intelligence contract.
Node the most according to claim 5, it is characterised in that described request generation module is additionally operable to
If desired deleting the 3rd intelligence contract, the most described primary nodal point generates a transaction in assets request, and in institute
State and block chain is broadcasted described transaction in assets request, described transaction in assets request comprises described deletion the 3rd
The transaction request of intelligence contract；
If described node uses as accounting nodes, the most described accounting module is additionally operable to receive described assets
After transaction request, confirm transaction based on common recognition mechanism and generate the 3rd block data, in described block chain
Broadcast described 3rd block data so that all nodes in described block chain can receive the described 3rd
Block data, comprises the transaction request of described deletion the 3rd intelligence contract in described 3rd block data；
Described node also includes:
Removing module, if for receiving described 3rd block data, then utilizing described 3rd block data
Described in delete the transaction request of the 3rd intelligence contract and obtain the address of described 3rd intelligence contract, and delete
The code of described 3rd intelligence contract, to realize the deletion of described 3rd intelligence contract.
8. according to the node described in claim 5 to 7 any one, it is characterised in that described assets are handed over
Easily request and described first block data also include first interface title and parameter transaction；
The most described transaction modules includes:
Acquisition module, for utilizing the friendship of described execution the first intelligence contract in described first block data
Easily request obtains the address of the first intelligence contract, obtains the generation of described first intelligence contract from local data
Code；
Run module, for described parameter transaction being inputted the interface that described first interface title is corresponding, fortune
The code of the described first intelligence contract of row；
Result preserves module, for being protected by the operation result that the code running described first intelligence contract obtains
Deposit to described local data, to complete process of exchange.
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