CN106598549B - A kind of intelligent contract system and implementation method based on block chain - Google Patents
A kind of intelligent contract system and implementation method based on block chain Download PDFInfo
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- CN106598549B CN106598549B CN201611121140.XA CN201611121140A CN106598549B CN 106598549 B CN106598549 B CN 106598549B CN 201611121140 A CN201611121140 A CN 201611121140A CN 106598549 B CN106598549 B CN 106598549B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
- G06F9/3016—Decoding the operand specifier, e.g. specifier format
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The invention belongs to block chain technical fields, propose a kind of intelligent contract system based on block chain, including OP code execution module, contract execute virtual machine, intelligent contract module；The OP code execution module is used to parse the content for script based on storehouse by OPCode, forms corresponding operation part, to obtain the assembler language that the operation part executes；The intelligence contract module is used to the code of intelligent contract being registered on block chain i.e. contract chain；After the contract executes virtual machine for receiving the intelligent contract instruction executed on block chain, intelligent contract is executed.The invention also provides a kind of implementation methods of intelligent contract based on block chain, and specifically intelligent contract is registered on block chain, and have and execute the intelligent contract environment execution that various language are write.The intelligent contract of bulky complex can be run using system and method for the invention, so that agreement is more intelligent, greatly reduced executory cost.
Description
Technical field
The present invention relates to block chain technical field, specifically a kind of intelligent contract system and realization based on block chain
Method.
Background technique
The theory of intelligent contract can trace back to nineteen ninety-five, almost occur simultaneously with internet (world wide web).
Because the cryptologist Ni Kesabo (Nick Szabo) that bit coin lays the foundation and praised extensively has been put forward for the first time " intelligence
This term of energy contract ".In essence, the working principle of these automatic contracts is similar to the if- of other computer programs
Then sentence.Intelligent contract is only interacted with the assets of real world in this way.When the condition that one is finished in advance
When being triggered, intelligent contract executes corresponding contract terms.Intelligent contract shows its unique advantage, for example hands in P2P
Application in easily reduces and executes contract cost etc., promotes many technical specialists to make intelligent contract and further explores and research.
Summary of the invention
The intelligent contract system based on block chain that the purpose of the present invention is to propose to a kind of, including OP code execution module, conjunction
About execute virtual machine, intelligent contract module；The OP code execution module is for passing through the content for script based on storehouse
OPCode parsing, forms corresponding operation part, to obtain the assembler language that the operation part executes；The intelligence contract
Module is used to the code of intelligent contract being registered on block chain i.e. contract chain；The contract executes virtual machine and holds for receiving
After intelligent contract instruction on row block chain, judge which kind of written in code the intelligent contract that will be executed is, if being exactly
OPCode written in code then directly executes, if it is the intelligent contract code of high level language, then by high level language
Intelligent contract code analysis executes intelligent contract by the assembler language for calling OP code execution module to obtain.
It preferably, further include external data module, the external data module is used to execute virtual machine to contract and execute
Intelligent contract provides external data resource.
Preferably, the intelligent contract module further includes that intelligent contract code is carried out to Hash operation, after Hash operation
Cryptographic Hash is registered on block chain.
Preferably, it further includes taking intelligent contract code cryptographic Hash and intelligent contract storage that the contract, which executes virtual machine,
Intelligent contract code in business device matches, and obtains intelligent contract code corresponding with cryptographic Hash.
In order to solve the above-mentioned technical problem, the present invention has also been proposed a kind of intelligent contract implementation method based on block chain,
Include the following:
Content for script based on storehouse is parsed by OPCode, corresponding operation part is formed, to obtain the fortune
Calculate the assembler language that code executes；
The corresponding code of intelligent contract is registered on block chain；
The intelligent contract order of execution is received, intelligent contract corresponding with the intelligent contract to be executed is obtained from block chain
Code；
The intelligent contract code that judgement executes is which kind of language is write, if being exactly OPCode written in code, directly
Execution, if it is the intelligent contract code of high level language, then by the intelligent contract code analysis of high level language,
By calling the assembler language after parsing, intelligent contract is executed.
Preferably, when executing intelligent contract, some conditions or parameter in intelligent contract can use external number
According to resource.
Preferably, intelligent contract code is subjected to Hash operation, cryptographic Hash is registered on block chain.
Preferably, if when getting intelligent contract cryptographic Hash on block chain, cryptographic Hash and intelligent contract storage are taken
Intelligent contract code in business device matches, and obtains intelligent contract code corresponding with cryptographic Hash, executes intelligent contract code.
The present invention has the beneficial effect that:
Block chain technology is distributed account book, can be stored in multiple nodes, so relatively safety, and be anti-tamper
's.Of the invention intelligent contract system and implementation method based on block chain is used intelligent contract code storage to block chain
On, so relatively safety, and it is anti-tamper.
Of the invention intelligent contract system and implementation method based on block chain can run the intelligent contract of bulky complex,
So that agreement is more intelligent, executory cost greatly reduced.
Detailed description of the invention
Fig. 1 is intelligent contract implementation method flow chart of one of the embodiment 3 based on block chain.
Fig. 2 is intelligent contract implementation method flow chart of one of the embodiment 4 based on block chain.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing, it is necessary to and it is indicated herein to be, implement in detail below
Mode is served only for that the present invention is further detailed, and should not be understood as limiting the scope of the invention, the field
Technical staff can make some nonessential modifications and adaptations to the present invention according to foregoing invention content.
Intelligent contract system and implementation method proposed by the present invention based on block chain, can run the intelligence of bulky complex
Contract greatly reduced executory cost, and safety is anti-tamper so that agreement is more intelligent.
Embodiment 1
Intelligent contract system proposed by the present invention based on block chain include OP code execution module, contract execute it is virtual
Machine, intelligent contract module, external data module.
OP code execution module is used to parse the content for script based on storehouse by OPCode, forms corresponding operation generation
Code, to obtain the assembler language that the operation part executes.For example OpCode is used in bit coin aufbauprinciple
(operation code) forms intelligent contract and executes, and OP code execution module is to be parsed into this OpCode in the present invention
The assembler language that more advanced language can call, or the saying being easier to understand is to be parsed into the function that can be called.Script quilt
Program is safer after parsing, succinctly, executes speed faster.
Intelligent contract module is used to the code of intelligent contract being registered on block chain i.e. contract chain.Specifically, it registers
Intelligent contract code on to block chain can be high level language, be also possible to OPCode written in code.
After contract executes virtual machine for receiving the intelligent contract instruction executed on block chain, the intelligence that will be executed is judged
Which kind of written in code energy contract is, if being exactly OPCode written in code, executes in virtual machine in contract and directly executes, if
It is the intelligent contract code of high level language, then by the intelligent contract code analysis of high level language, by calling OP generation
The assembler language that code execution module obtains executes intelligent contract.
External data module is used to execute virtual machine to contract and executes intelligent contract offer external data resource.Such as it is intelligent
Having time is arranged in contract, that provides standard time execution intelligent contract by external data, more credible in this way, fair.Again
Such as when assets cross-border transaction, it is desirable to provide the exchange rate converts conversion rate.Even external number is needed when executing intelligent contract
Algorithm model is provided according to module.
Embodiment 2
As shown in Fig. 2, the intelligent contract system based on block chain that the present embodiment proposes includes OP code execution module, closes
About execute virtual machine, intelligent contract module, intelligent contract storage server, external data module.Wherein, OP code execution module
For will the content for script based on storehouse by OPCode parse, corresponding operation part is formed, to obtain the operation generation
The assembler language that code executes.For example intelligent contract is formed using OpCode (operation code) in bit coin aufbauprinciple and is held
Row, and OP code execution module is that this OpCode is parsed into the assembler language that more advanced language can call in the present invention,
Or the saying being easier to understand is to be parsed into the function that can be called.Program is safer after script is resolved, succinctly, executes speed
Degree is faster.
Intelligent contract module in the present embodiment is used to be registered in block chain after the code of intelligent contract is carried out Hash
That is contract chain.Specifically, the intelligent contract code being registered in after hash algorithm on block chain can be high-level language volume
It writes, is also possible to OPCode written in code.It registers after intelligent contract code is carried out hash algorithm into chain, this is suitable for intelligence
Energy contract code is huger, this is because huge intelligent contract is directly entered chain, it is too fat to move to will cause block chain.
Intelligent contract storage server is for storing intelligent contract code.
It, will be intelligent after contract executes virtual machine for receiving the intelligent contract instruction executed on block chain in the present embodiment
Contract code cryptographic Hash matches with the intelligent contract code in intelligent contract storage server, obtains corresponding with cryptographic Hash
Intelligent contract code, and judge which kind of written in code the intelligent contract code that will be executed is, if being exactly that OPCode code is compiled
It writes, then executes in virtual machine in contract and directly execute, if it is the intelligent contract code of high level language, then by high-level language
The intelligent contract code analysis write executes intelligent contract by the assembler language for calling OP code execution module to obtain.
External data module is used to execute virtual machine to contract and executes intelligent contract offer external data resource.Such as it is intelligent
Having time is arranged in contract, that provides standard time execution intelligent contract by external data, more credible in this way, fair.Again
Such as when assets cross-border transaction, it is desirable to provide the exchange rate converts conversion rate.Even external number is needed when executing intelligent contract
Algorithm model is provided according to module.
Embodiment 3
A kind of intelligent contract implementation method in block chain of base that the present embodiment proposes, as shown in Figure 1, specific as follows:
Step S01, the content for script based on storehouse is parsed by OPCode, corresponding operation part is formed, to obtain
The assembler language for taking the operation part to execute.
For example intelligent contract is formed using OpCode (operation code) in bit coin aufbauprinciple and is executed, and this hair
Bright middle OP code execution module is this OpCode to be parsed into the assembler language that more advanced language can call, or be easier
The saying of understanding is to be parsed into the function that can be called.Program is safer after script is resolved, succinctly, executes speed faster.
Step S02, the corresponding code of intelligent contract is registered on block chain.
Step S03, the intelligent contract order of execution is received, is obtained from block chain corresponding with the intelligent contract to be executed
Intelligent contract code.
Step S04, intelligent contract is executed
The intelligent contract code that judgement executes is which kind of language is write, if being exactly OPCode written in code, directly
Execution, if it is the intelligent contract code of high level language, then by the intelligent contract code analysis of high level language,
By the assembler language after parsing in invocation step S01, intelligent contract is executed.When executing intelligent contract, in intelligent contract
Some conditions or parameter can use external data resource.Such as having time agreement in intelligent contract, that passes through external data
There is provided standard time execution intelligent contract, it is more credible in this way, it is fair.For another example assets cross-border transaction when, it is desirable to provide the exchange rate
Convert conversion rate.Even external data module is needed to provide algorithm model when executing intelligent contract.
Embodiment 4
A kind of intelligent contract implementation method based on block chain that the present embodiment proposes, as shown in Fig. 2, specific as follows:
Step S01, the content for script based on storehouse is parsed by OPCode, corresponding operation part is formed, to obtain
The assembler language for taking the operation part to execute.
For example intelligent contract is formed using OpCode (operation code) in bit coin aufbauprinciple and is executed, and this hair
Bright middle OP code execution module is this OpCode to be parsed into the assembler language that more advanced language can call, or be easier
The saying of understanding is to be parsed into the function that can be called.Program is safer after script is resolved, succinctly, executes speed faster.
Step S02, it is registered on block chain after the corresponding code of intelligent contract being carried out Hash operation.
Step S03, the intelligent contract order of execution is received, is obtained from block chain corresponding with the intelligent contract to be executed
Intelligent contract code cryptographic Hash.
Step S04, intelligent contract is executed
Intelligent contract code in intelligent contract cryptographic Hash and intelligent contract storage server is matched, acquisition and Hash
It is worth corresponding intelligent contract code, and judges that the intelligent contract code executed is which kind of language is write, if is exactly
OPCode written in code is then directly executed, if it is the intelligent contract code of high level language, is then compiled high-level language
The intelligent contract code analysis write executes intelligent contract by the assembler language after parsing in invocation step S01.Executing intelligence
When energy contract, some conditions or parameter in intelligent contract can use external data resource.Such as in intelligent contract sometimes
Between arrange, that, which passes through external data and provides the standard time, executes intelligent contract, more credible in this way, fair.For another example assets across
When border is traded, it is desirable to provide the exchange rate converts conversion rate.Even external data module is needed to provide when executing intelligent contract
Algorithm model.
Claims (8)
1. a kind of intelligent contract system based on block chain, it is characterised in that: executed including OP code execution module, contract virtual
Machine, intelligent contract module；The OP code execution module based on the content for script of storehouse by OP code analysis for that will form
Corresponding operation part, to obtain the assembler language that the operation part executes；The intelligence contract module is used for will be intelligent
The code of contract is registered on block chain, to form contract chain；The contract executes virtual machine and executes block chain for receiving
On the instruction of intelligent contract after, judge which kind of written in code the intelligent contract that will execute is, if being exactly OP written in code,
Directly execute, if it is the intelligent contract code of high level language, then by the intelligent contract code analysis of high level language,
By the assembler language for calling OP code execution module to obtain, intelligent contract is executed.
2. the intelligent contract system according to claim 1 based on block chain, it is characterised in that: further include external data mould
Block provides external data resource when the external data module is used to execute virtual machine execution intelligence contract to contract.
3. the intelligent contract system according to claim 1 based on block chain, it is characterised in that: the intelligence contract module
Further include that intelligent contract code is carried out to Hash operation, cryptographic Hash is registered on block chain after Hash operation.
4. the intelligent contract system according to claim 1 based on block chain, it is characterised in that: the contract executes virtual
Machine further includes that the intelligent contract code in intelligent contract code cryptographic Hash and intelligent contract storage server matches, obtain with
The corresponding intelligent contract code of cryptographic Hash.
5. a kind of intelligent contract implementation method based on block chain, it is characterised in that: include the following:
By the content for script based on storehouse by OP code analysis, corresponding operation part is formed, to obtain the operation generation
The assembler language that code executes；
The corresponding code of intelligent contract is registered on block chain；
The intelligent contract order of execution is received, intelligent contract generation corresponding with the intelligent contract to be executed is obtained from block chain
Code；
The intelligent contract code that judgement executes is which kind of language is write, if being exactly OP written in code, is directly executed,
If it is the intelligent contract code of high level language, then by the intelligent contract code analysis of high level language, pass through calling
Assembler language after parsing executes intelligent contract.
6. the intelligent contract implementation method according to claim 5 based on block chain, it is characterised in that: closed executing intelligence
When about, some conditions or parameter in intelligent contract can use external data resource.
7. the intelligent contract implementation method according to claim 5 based on block chain, it is characterised in that: by intelligent contract generation
Code carries out Hash operation, and cryptographic Hash is registered on block chain.
8. the intelligent contract implementation method according to claim 5 based on block chain, it is characterised in that: if on block chain
When getting intelligent contract cryptographic Hash, cryptographic Hash and the intelligent contract code in intelligent contract storage server are matched, obtained
Intelligent contract code corresponding with cryptographic Hash is taken, intelligent contract code is executed.
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