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 PDF

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Publication number
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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China
Prior art keywords
transaction
request
intelligence contract
block
block chain
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CN201610472362.XA
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Chinese (zh)
Inventor
张开翔
万磊
范瑞彬
卢道和
姚辉亚
莫楠
苏小康
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深圳前海微众银行股份有限公司
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Priority to CN201610472362.XA priority Critical patent/CN105976231A/en
Publication of CN105976231A publication Critical patent/CN105976231A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce, e.g. shopping or e-commerce
    • G06Q30/06Buying, selling or leasing transactions

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

Assets management method based on block chain intelligence contract and node
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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Application publication date: 20160928