CN115271741A - Intelligent payment system and method for electric power capital construction cost based on block chain technology - Google Patents
Intelligent payment system and method for electric power capital construction cost based on block chain technology Download PDFInfo
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Abstract
The invention discloses an intelligent payment system and method for electric power capital construction cost based on a block chain technology, wherein the system comprises a user layer, a service logic layer and a system application layer; the user layer is a main body for the intelligent payment service of the electric power infrastructure expense; the service logic layer is an intelligent contract module based on the block chain technology and provides support for the system application layer; and the system application layer is used for participating in specific functions used by the main body in the electric power infrastructure expense payment business. The participating main body registers an account in the electric power capital construction expense intelligent payment system to obtain payment transaction permission of an owner unit; the participating agents use a specific function in the electric power infrastructure payment system, including prepaid payment, progress payment, completion settlement payment, monthly wage issuance for workers, and multiple signature authentication before payment. The method can simplify the process of paying the electric power capital construction expenses, reduce the labor cost, avoid depending on a third party, and realize the multi-party supervision and the whole traceability of the payment flow.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to an intelligent payment system and method for electric power capital construction cost based on a block chain technology.
Background
The construction of a novel infrastructure (hereinafter referred to as new infrastructure) is firstly proposed in a 12-month central economic working meeting in 2018, and the construction layout in the fields of continuously improving energy, traffic, communication and the like is emphasized again in a 4-day central political office meeting in 3 and 2020, so that the construction progress of new infrastructures in a 5G network, a data center and the like is accelerated. The new capital construction is a general term of a series of modern infrastructure systems which serve the requirements of long-term development of the country and the construction strategy of two strong countries, are driven by technology and industry and have the characteristics of intensive, efficient, economical, applicable, intelligent, green, safe and reliable. Compared with the traditional capital construction, the new capital construction can reconstruct the new mode of the production and the life of the intelligent society, the digitalization and the intelligentization level of the capital construction industry can be greatly improved in the era of digital economy, and the technologies of the Internet of things, cloud computing, big data and the like can be widely applied.
As an important basic support for national development, the power industry should actively promote the ground practice of the development strategy of new capital construction. The payment of capital construction project cost and the release of agricultural and civil engineering wages are crucial links in the capital construction project, and the electric power capital construction under the background of new capital construction also has some problems to be solved urgently in relevant aspects: the problems of non-transparent capital information, complex accounting statistics, unclear issuing and tracking and the like exist in the aspect of cost management of the current electric power infrastructure, along with the continuous expansion of the electric power infrastructure scale, the project fund flow can be increased year by year, the related capital information is various, and the related problems can be further highlighted in the future. At present, the development of the electric power infrastructure expense payment business is a multi-layer mode from a construction unit to a general packet unit and then to a sub-packet unit, and in the mode, the engineering project expense payment and agricultural and civil engineering wage payment business mainly depends on the layer-by-layer circulation of capital, so that the problems of multiple manual operation links, high risk, lack of supervision in the expense issuing process and the like exist.
In order to solve the pain points in the new infrastructure, realize reliable contract deposit, prevent falsification, simplify the offline reciprocating flow, improve contract signing efficiency, realize the real-time tracking of the uplink fund flow information, provide a detailed and accurate credit evaluation report for the participants, and realize the intelligent payment of the electric infrastructure cost by means of the block chain technology under the trend of digital and intelligent transformation of the electric infrastructure.
Currently, there are many researches on the application of the blockchain technology in the payment service, but the existing researches on the application of the blockchain technology in the payment service are hardly applied to solve the tedious problem in the aspect of payment of the electric power infrastructure expense, the combination degree of the existing blockchain technology and the payment of the electric power infrastructure expense is not strong, and the researches are not developed aiming at the payment scheme of the electric power infrastructure expense.
It can be seen that the existing research on the block chain technology in the electric power infrastructure fee payment business still needs to be improved.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide an intelligent power infrastructure expense payment system and method based on a block chain technology.
The invention adopts the following technical scheme.
An electric power capital construction cost intelligent payment system based on a block chain technology comprises a user layer, a business logic layer and a system application layer;
the user layer is a participation main body of the intelligent payment service of the electric power infrastructure expense;
the business logic layer is an intelligent contract module based on a block chain technology, related intelligent contracts of the intelligent contract module are jointly negotiated and compiled by participating main bodies when the block chain is deployed, the related intelligent contracts are compiled through a programming language approved by a virtual machine, and the deployed contracts are stored in a certain block chain to provide support for a system application layer;
the system application layer is used for calling the intelligent contract module through correct intelligent contract address, name, module name and parameter input information in the power infrastructure expense payment service process for the participating main body to use specific functions in the power infrastructure expense payment service, so that a certain function in the power infrastructure expense payment service is realized, feedback information is obtained, and the calling process and the calling result are stored in a certain block chain.
Furthermore, the participation main body of the intelligent payment business of the electric power infrastructure expense comprises an owner unit, a general packet unit, a supervision unit, a sub-packet unit, a team and a bank.
Furthermore, the intelligent contract module comprises a unit identity authentication module, a prepayment payment module, a progress payment module, a completion settlement module, a worker monthly wage issuing module and an auxiliary module.
Further, the participating subject uses specific functions in the electric power infrastructure fee payment service, including participating subject admission, advance payment, progress payment, completion settlement payment, monthly wage issue.
Furthermore, the system also comprises a multiple signature module, which introduces multiple signature technology, configures a plurality of fund managers, and can complete the payment service of the electric power capital construction cost after multiple signatures.
Further, the multiple signature module comprises an asset owner registration module, a multiple signature request module, a signature module and a transfer module;
an asset owner registration module: when a contract is created, firstly adding information of all property owners in a construction module of the contract;
a multi-sign request module: only the property owner can call the module, the property owner can call the module to initiate a transaction, the transaction information comprises a transfer address and a transfer amount, and the signature of other property owners is waited;
a signature module: only the asset owner can call, and after calling the module, each asset owner can record the signature of the asset owner and count the number of the signatures;
a transfer module: only the property owner may invoke, the smart contract checks the number of signatures, and when the number of signatures equals 3, the multi-signature request originator may transfer to the specified address.
Further, the formal definition of the multiple signatures describes:
(1) Initialization: inputting a security parameter k, generating and publishing a system parameter params;
(2) And (3) generating a secret key: (sk, pk)<-KeyGEN(1 k ) Inputting system parameters params, and randomly generating a public and private key pair (sk, pk);
(3) Aggregation key: input signer's public key set L = { pk 1 ,pk 2 ,...,pk n Outputting an aggregated public key apk;
(4) Signature: each participant executes a signature algorithm, inputs a public and private key pair (sk, pk) of a signer, a public key set L of the signer and information m, and outputs a multiple signature sigma;
(5) And (3) verification: (0,1) < -Verify (L, m, σ), inputting the public key set L, the information m and the multiple signature σ of the signer according to the system parameter params, executing a verification algorithm by the signature verifier, outputting a result 1 and accepting the signature if the signature verification is passed, and outputting a result 0 and rejecting the signature if the signature verification is not passed.
An intelligent payment method for electric power capital construction cost based on block chain technology, the method comprises the following steps:
(1) The electric power capital construction cost payment business participation main body registers an account in the electric power capital construction cost intelligent payment system to obtain payment transaction permission of an owner unit;
(2) The participating main body uses a specific function in the electric power infrastructure expense payment service, wherein the specific function comprises prepayment payment, progress payment, completion settlement payment and monthly wage issuing of workers, and multiple signature authentication is carried out before payment.
Furthermore, the business owner gives the service authority to the related functional module of the business participation main body according to the contract signing condition, and the account with the authority can call the corresponding functional module when the payment business is carried out.
Furthermore, the multiple signatures correspond to multiple private keys by using one Ethernet address, and the multiple private key signatures are required to be valid when a fund is used.
Compared with the prior art, the invention can effectively ensure the standard management in various aspects of construction progress, quality, safety and the like, and provides a customized function for the development of electric power infrastructure payment business.
The invention realizes the real-time tracking of the fund flow information on the chain by means of the characteristics that the block chain can be traced and cannot be tampered, provides the visible fund flow information for downstream enterprises, and ensures the timely treatment of project cost and labor wage and the supervision of the fund flow process; by means of the intelligent contract technology, a customized function is provided for the development of the electric power capital construction cost payment service.
The method can simplify the payment process of the electric power infrastructure expense, reduce the labor cost, avoid the dependence on a third party, and realize multi-party supervision and whole-process traceability of the payment flow.
Drawings
FIG. 1 is a schematic overall flow diagram of the present invention;
FIG. 2 is a federation chain for payment of electric infrastructure for the present invention;
FIG. 3 is an intelligent payment service architecture for power infrastructure based on block chains according to the present invention;
FIG. 4 is a block chain-based business to business relationship between the principals of the invention;
FIG. 5 shows simulation results of the Remix-based owner payroll link of the present invention;
fig. 6 shows simulation results of Remix-based bank payroll link according to the present invention.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
Aiming at specific requirements of the electric power infrastructure expense payment service, a main body participating in the electric power infrastructure expense payment service is set, a block chain deployment mode facing the electric power infrastructure expense payment is provided, and an electric power infrastructure expense intelligent payment system based on a block chain intelligent contract technology is constructed.
The blockchain may be divided into a public chain, a federation chain, and a private chain according to the extent of the blockchain network. The public chain is completely open to the outside, and can be used by anyone without the setting of the authority. The nodes on the chain can consult all data on the chain, and the whole public is transparent. Private chains are not open to the outside and are only used within the scope of units, organizations, industries, etc. The private chain usually has registration requirements, needs identity authentication, and has a set of authority management system, namely, the private chain nodes have authority difference. The alliance chain is between a public chain and a private chain, a plurality of decision points such as logistics between enterprises and financial transaction settlement are usually arranged on the chain, the scenes are often participated by people with different authorities, the alliance chain is often provided with identity authentication and authority setting, and the number of nodes is relatively fixed. The alliance chain is suitable for interconnection and mutual trust among industries, and a trust bridge is constructed for the business. Considering the participation of payment of the electric power infrastructure cost in main bodies and business requirements, the block chain cost payment scheme oriented to the electric power infrastructure is suitable for adopting a alliance chain mode.
As shown in fig. 2, in combination with the traditional main body composition situation participating in the electric power infrastructure expense payment service, a alliance chain mainly comprises an owner, a manager, a general packet, a sub packet, a team and a bank node, uplink management and consistency maintenance of the electric power infrastructure expense payment service and transaction data are realized through a consensus algorithm, meanwhile, an ERC20 token is introduced into the alliance chain and used for calibrating digital assets, multi-party supervision of payment flow is realized by means of the transparent and traceable characteristics of block chain technology disclosure, timely and accurate payment of progress money of the electric power infrastructure project is guaranteed, workers are guaranteed to pay salary to the owner, and the probability of occurrence of each party's defaulting expense is reduced.
As shown in fig. 3, the intelligent payment system for electric power infrastructure based on the block chain technology of the present invention includes a user layer, a business logic layer, and a system application layer 3, and forms a decentralized, efficient operation, and accurate information payment scheme.
The user layer consists of an owner unit, a general packet unit, a supervision unit, a sub-packet unit, a team and a bank, wherein the owner unit is an invitation sponsor of the electric power infrastructure project, and the general packet unit is a general contractor of the infrastructure project, directly signs a contract with the owner unit and is responsible for the owner unit; the general packet unit is an economic responsibility contractor of the electric power infrastructure project and is responsible for paying wages to workers of the team and the sub-packet unit directly; the supervision unit is entrusted by the industry main unit, and the engineering construction of the second party is monitored by the owner unit according to the engineering project construction files approved by the state, laws and regulations related to the engineering construction, engineering construction supervision contracts and other engineering construction contracts, so that the engineering progress, quality and safety are directly checked; the sub-packaging unit is a main body for bearing the main package to be responsible for part of construction contents in the capital construction project, and the sub-packaging unit is provided with labor personnel of a construction team and is responsible for construction of the borne engineering project; the bank has the responsibility of providing a payment channel for capital cost funds for each participating entity and setting up an independent payroll account for workers.
And the business logic layer comprises an information network of a block chain, a data structure, a distributed account book of a block chain platform, an intelligent contract and an encryption algorithm technology.
The intelligent contract part of the business logic layer comprises all intelligent contract modules involved in intelligent payment of electric power infrastructure expenses, and the intelligent contract modules comprise a unit identity authentication module, a prepayment payment module, a progress payment module, an completion settlement module, a worker monthly wage issuing module and an auxiliary module.
Related intelligent contracts are jointly negotiated and written by union link members at the initial stage of block chain deployment, a plurality of contract modules are formed after the intelligent payment business process of the electric power infrastructure expenses is agreed and reduced, and then the contracts are compiled and deployed in a programming language approved by a virtual machine and stored in a certain block.
And the alliance link node calls a contract module through correct information such as intelligent contract address, name, module name and parameter input in the process of the electric power infrastructure expense payment service, realizes a certain function in the electric power infrastructure expense payment service, acquires feedback information, and stores the calling process and the calling result in a block chain. The contract modules in the fee payment intelligent contract respectively serve different functions in the payment of the electric power infrastructure fee.
The unit identity authentication module has the functions of: the intelligent contract is deployed on a host node, the owner node is defaulted to become a contract owner and has the authority of allowing the owner to access other unit nodes, the owner node can allow a general packet, a bank and a supervision unit to be accessed, the general packet can allow a sub packet and a team unit to be accessed, and each unit can call a functional module which can be used by the owner node after identity authentication is obtained.
A prepaid payment module: only the owner unit can call, in the stage of prepayment payment, the owner calls the prepayment module to pay the corresponding prepayment of the general packet, and after the general packet finishes a certain amount of work, the prepayment module deducts the corresponding prepayment in a mode of supplementing project cost.
Progress payment module: in the progress payment stage, the total package calculates each item of cost according to the project quantity finished month by month in the construction process, the auxiliary module is called to apply for auditing to the supervision unit, the supervision unit receives the project information and then carries out auditing confirmation, the owner is informed to handle the project progress payment after the auditing is correct, the owner calls the progress payment module to pay the project progress payment for the total package, and the progress payment can be called for multiple times in stages until 80% of the project quantity is paid.
And a completion settlement module: the total package submits a completion acceptance report and complete settlement data after single project completion, an owner calls a completion settlement module to pay project completion settlement cost to a construction unit after checking on time, about 5% of quality assurance money is reserved, the settlement is carried out after the project delivery use warranty period is expired, and if the warranty period is reworked, the occurrence fee is deducted from the quality assurance money.
The worker monthly wage issuing module: the owner should direct the bank payroll special user to deposit funds not less than 20% of the progress money according to the contract agreement, the owner checks and confirms the payroll money of workers in the last month according to the attendance information of the workers before No. 6 every month, the payroll is distributed to the general packet, the general packet sends confirmation payment information to the bank after receiving the payroll, and the bank calls the worker monthly payroll distribution module to directly distribute the payroll to each worker.
An auxiliary module: the auditing process of a supervision unit in progress payment is realized, and the function of confirming payment information to a bank in the monthly wage release of workers is realized.
The auxiliary module is designed as a multiple signature module, multiple signature technology is introduced, a plurality of managers of funds are configured, the safety of mobile payment is guaranteed, and potential safety hazards such as identity misuse and data tampering are reduced. The multiple signature module comprises 4 intelligent contract modules for realizing different functions, which are respectively an asset owner registration module, a multiple signature request module, a signature module and a transfer module.
An asset owner registration module: when a contract is created, information for all property owners is first added in the construction module of the contract.
A multi-sign request module: and the property owner can call the module to initiate a transaction, the transaction information comprises a transfer address and a transfer amount, and the signature of other property owners is waited.
A signature module: only the property owner can call, and after each property owner calls the module, the signature of the property owner is recorded and the number of signatures is counted.
A transfer module: only the property owner may invoke, the smart contract checks the number of signatures, and when the number of signatures equals 3, the multi-signature request originator may transfer to the specified address.
Wherein the formal definition of the multiple signatures describes:
(1) Initialization: inputting a security parameter k, generating and publishing a system parameter params;
(2) And (3) generating a key: (sk, pk)<-KeyGEN(1 k ) Inputting system parameters params, and randomly generating a public and private key pair (sk, pk);
(3) And (3) key aggregation: input signer's public key set L = { pk 1 ,pk 2 ,...,pk n Outputting an aggregated public key apk;
(4) Signature: each participant executes a signature algorithm, inputs a public and private key pair (sk, pk) of a signer, a public key set L of the signer and information m, and outputs a multiple signature sigma;
(5) And (3) verification: (0,1) < -Verify (L, m, σ), inputting the public key set L, the information m and the multiple signature σ of the signer according to the system parameter params, executing a verification algorithm by the signature verifier, outputting a result 1 and accepting the signature if the signature verification is passed, and outputting a result 0 and rejecting the signature if the signature verification is not passed.
Assuming that the key generation phase has been performed correctly, the message m is complete, and a group of signers has performed the multi-signature protocol honestly and canonically, then the multi-signature σ output by the group of signers must satisfy the formula:
Verify({pk 1 ,pk 2 ,...,pk n },m,σ)＝1
the multiple signature technology realizes that one Etheng address corresponds to a plurality of private keys, and a plurality of private key signatures are needed to be effective when a fund is used.
In etherhouses, multiple signature wallets are implemented by smart contracts. The following describes the implementation of a 3-of-3 multi-signature smart contract that implements a 3-of-3 multi-signature wallet that transfers all assets within the smart contract if and only if all three asset owners have signed. Otherwise, when any person does not sign the signature, the assets in the contract cannot be transferred.
The system application layer covers the whole process of payment of the electric power infrastructure expense, and comprises member access, node account addition and deletion, token allocation, prepayment payment, progress payment, completion settlement payment and worker monthly wage distribution.
In summary, the user layer is a participating body of the electric power infrastructure expense intelligent payment service, the service logic layer provides platform support for the system application layer to realize specific functions of the service logic layer, and the system application layer covers various functions used in the electric power infrastructure expense payment service. The main body participating in the intelligent payment business of the electric power infrastructure expenses negotiates in advance, the owner writes the problems possibly existing in the payment process and the corresponding solutions into the intelligent contract in a code form in advance, all the terms and the execution process are set in advance, and any party signing the intelligent contract cannot modify the contract content or intervene the contract execution in a unilateral way, so that the expenses of all links of the electric power infrastructure can be guaranteed to be paid accurately in time, and the labor cost is reduced.
Under an electric power infrastructure expense intelligent payment business framework, an electric power infrastructure expense intelligent payment method based on a block chain intelligent contract technology is designed by combining each business link of traditional infrastructure expense payment, and a multiple signature technology is introduced to ensure the safety of mobile payment; and realizing intelligent payment of electric power infrastructure expense by means of a block chain intelligent contract technology.
As shown in fig. 1 and 4, the method for intelligently paying the electric power infrastructure fee based on the block chain technology according to the present invention includes the steps of:
(1) And (3) participating in main body admission: the electric power capital construction cost payment business participates in a main body registration account, and payment transaction permission of the main body is obtained; the business owner endows the business to participate in the use authority of the relevant function module of the main body according to the contract signing condition, and the account with the authority can call the corresponding function module when in payment business;
the method adopts a power capital construction cost payment mode based on a block chain intelligent contract technology, writes the payment service function module into an intelligent contract in advance by virtue of the characteristic that the intelligent contract can not be tampered, and prevents the long-term default condition of the participating main body. From the implementation point of view, the method mainly divides the payment service into four links of 'advance payment', 'progress payment', 'completion settlement payment' and 'worker monthly wage distribution'.
(2) Payment of advance payment: after the construction project contract is signed, the contracting person pays a certain proportion of pre-payment to the contracting person; if the contractor is damaged midway and stops the project, the subcontractor can not deduct all the pre-payment from the payable project money within the specified period, the intelligent contract automatically returns the guarantee amount to the subcontractor;
(3) And (4) payment of progress money: during construction, the construction enterprise calculates each expense according to the project quantity finished by month, image progress or control interface, applies for auditing to the supervision unit on the intelligent contract, the supervision unit receives the project information and then carries out auditing confirmation, the supervision unit informs the construction unit to handle the payment of the project progress money after the auditing is correct, and the construction unit calls a function module according to the project progress information on the chain to pay the project progress money for the construction enterprise according to the month, the image progress or the control interface until 80% of the project quantity is paid;
(4) And (4) completion settlement payment: the completion settlement is divided into unit completion settlement, single item completion settlement and construction project completion total settlement; the contractor should compile a completion settlement book within the contract appointed time, submit the completion acceptance report to the contractor at the same time, and submit the corresponding project progress on the chain; after receiving the completion settlement report submitted by the contractor and the complete settlement data, the contracting person should check according to contract agreement and give confirmation or propose a modification suggestion on the intelligent contract; after audit, calling a function module according to the confirmed completion settlement report to pay construction completion settlement cost to contractors, reserving about 5% of quality assurance fund, clearing after the guarantee period of construction delivery use is expired, and making a contract have another agreement from which the cost generated should be deducted from the quality assurance fund if rework exists in the guarantee period;
(5) And (3) monthly wage distribution of workers: the construction unit shall direct the special payroll account of the bank node to deposit funds of not less than 20% of the progress money according to the construction contract; if the payroll is 20% higher than the progress, the payroll is stored into a payroll special account according to the actual payroll amount; and the business owner before No. 6 per month checks and confirms the payable wage of the project progress money in the last month by worker attendance information on the chain, calls a function module to distribute wages to a general packet, sends confirmation payment information to a bank after the general packet receives the wages, directly distributes the wages to each worker by a wage special account under a bank node, and simultaneously, each payee worker needs to sign and confirm on the chain.
For further understanding of the present invention, the functional test results on the Remix IDE platform are used as an example to explain the practical application of the present invention.
In order to verify the effectiveness of the provided intelligent payment method for the electric power infrastructure expense based on the block chain intelligent contract technology, in a laboratory environment, a Remix IDE platform is used for compiling an intelligent contract for paying the electric power infrastructure expense to perform example simulation. The operating systems of all the subjects in the laboratory are Windows 10, the memory is 169B, the CPU is Intel Core i5, and the edition of the writing environment Remix of the intelligent contract is v0.5.10. The simulation scene comprises an owner, a head bag, a sub-package, a bank, a proctor and a team account, wherein 1ETH is prestored in each account of the owner. The general packet firstly stores necessary wage amount to bank wage special account, the owner verifies worker attendance information every month, after confirming that no fault exists, the contract module is called to send corresponding wage to the general packet, the general packet sends payment confirmation information to the bank after receiving the wage, and the bank calls the function module to directly pay the wage to the worker account after receiving the information.
In the simulation test, taking monthly wage payment of workers as an example, the construction period of a project is one year, monthly wage is 1 token, 12 tokens which need to be paid in one year are stored in a bank account in advance in a general packet, then each month owner distributes wage to the general packet after verifying the attendance condition of the workers, the general packet informs a bank calling function module to directly distribute the monthly wage to the workers after receiving the wage, and the simulation result of transaction information of the wage distributed to the general packet on Remix after each month owner verifies the attendance of the workers is shown in fig. 5.
Fig. 5 is a complete return information table, from which information such as a hash value of a transaction, whether the transaction is successful, transaction time, an account address where the transaction is initiated, an output account address of the transaction, a token transfer amount, a gasoline (gas) fee, and a called function module can be seen.
The result of simulation of transaction information on Remix by bank call function module to distribute monthly wages directly to workers is shown in fig. 6. It can be seen from the block transaction information that the bank calls two modules together, sends a token to the worker account, and declares a work event on the blockchain for monitoring by other nodes.
By calling the preset expense payment module, the corresponding amount of digital token is directly attached to each link of the electric capital expense payment, and the attribution party of the digital currency is changed while the node confirms the transaction, so that the synchronization of the transaction and the clearing is realized, and funds are transferred in real time in the transaction.
Compared with the prior art, the invention can effectively ensure the standard management in various aspects of construction progress, quality, safety and the like, and provides a customized function for the development of electric power capital construction payment business.
The method can effectively improve the automation level of the payment of the electric power infrastructure expense, improve the transparency of the expense payment process, relieve the problem that the wage payment of workers is not timely, and make up the defects in the field of the payment of the electric power infrastructure expense.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for the purpose of limiting the scope of the present invention, and on the contrary, any modifications or modifications based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. An intelligent payment system for electric power capital construction cost based on a block chain technology is characterized by comprising a user layer, a business logic layer and a system application layer;
the user layer is a main body for the intelligent payment service of the electric power infrastructure expense;
the business logic layer is an intelligent contract module based on a block chain technology, related intelligent contracts of the intelligent contract module are jointly negotiated and compiled by participating main bodies when the block chain is deployed, the related intelligent contracts are compiled through a programming language approved by a virtual machine, and the deployed contracts are stored in a certain block chain to provide support for a system application layer;
the system application layer is used for calling the intelligent contract module through correct intelligent contract address, name, module name and parameter input information in the power infrastructure expense payment service process for the participating main body to use specific functions in the power infrastructure expense payment service, so that a certain function in the power infrastructure expense payment service is realized, feedback information is obtained, and the calling process and the calling result are stored in a certain block chain.
2. The intelligent payment system for electric power infrastructure fee based on block chain technology as claimed in claim 1,
the participation main body of the intelligent payment business of the electric power infrastructure expense comprises an owner unit, a general packet unit, a supervision unit, a sub-packet unit, a team group and a bank.
3. The intelligent payment system for electric power infrastructure fee based on block chain technology as claimed in claim 1,
the intelligent contract module comprises a unit identity authentication module, a prepayment payment module, a progress payment module, a completion settlement module, a worker monthly wage issuing module and an auxiliary module.
4. The intelligent payment system for electric power infrastructure fee based on block chain technology as claimed in claim 1,
the specific functions of the participation main body used in the electric power infrastructure expense payment service include main body access, prepayment payment, progress payment, completion settlement payment and monthly wage issuing of workers.
5. The intelligent payment system for electric power infrastructure fee based on block chain technology as claimed in claim 3,
the system also comprises a multiple signature module, wherein a multiple signature technology is introduced, a plurality of fund managers are configured, and the payment service of the electric power capital construction cost can be completed after multiple signatures.
6. The intelligent payment system for electric power infrastructure fee based on block chain technology as claimed in claim 5,
the multi-signature module comprises an asset owner registration module, a multi-signature request module, a signature module and a transfer module;
an asset owner registration module: when a contract is created, firstly adding information of all property owners in a construction module of the contract;
a multi-sign request module: only the property owner can call the module, the property owner can call the module to initiate a transaction, the transaction information comprises a transfer address and a transfer amount, and the signature of other property owners is waited;
a signature module: only the asset owner can call, and after calling the module, each asset owner can record the signature of the asset owner and count the number of the signatures;
a transfer module: only the property owner may invoke, the smart contract checks the number of signatures, and when the number of signatures equals 3, the multi-signature request originator may transfer to the specified address.
7. The intelligent payment system for electric power infrastructure fee based on block chain technology as claimed in claim 5,
formalized definition description of multiple signatures:
(1) Initialization: inputting a security parameter k, generating and publishing a system parameter params;
(2) GeneratingAnd (3) secret key: (sk, pk)<-KeyGEN(1 k ) Inputting system parameters params, and randomly generating a public and private key pair (sk, pk);
(3) Aggregation key: input signer's public key set L = { pk 1 ,pk 2 ,...,pk n Outputting an aggregated public key apk;
(4) Signature: each participant executes a signature algorithm, inputs a public and private key pair (sk, pk) of a signer, a public key set L of the signer and information m, and outputs a multiple signature sigma;
(5) And (3) verification: (0,1) < -Verify (L, m, σ), inputting the public key set L, the information m and the multiple signature σ of the signer according to the system parameter params, executing a verification algorithm by the signature verifier, outputting a result 1 and accepting the signature if the signature verification is passed, and outputting a result 0 and rejecting the signature if the signature verification is not passed.
8. An intelligent payment method for electric power infrastructure fee based on blockchain technology, which is based on the intelligent payment system for electric power infrastructure fee based on blockchain technology of claims 1-7, and is characterized in that the method comprises the following steps:
(1) The electric power capital construction cost payment business participation main body registers an account in the electric power capital construction cost intelligent payment system to obtain payment transaction permission of an owner unit;
(2) The participating subject uses a specific function in the electric power infrastructure expense payment service, including prepayment payment, progress payment, completion settlement payment, monthly wage issue of workers, and multiple signature authentication is performed before payment.
9. The method of claim 8, wherein the intelligent payment method for electric power capital construction cost based on block chain technology,
the business owner gives the service participation main body the use authority of the relevant function module according to the contract signing condition, and the account with the authority can call the corresponding function module when the payment business is carried out.
10. The method of claim 8, wherein the intelligent payment method for electric power capital construction cost based on block chain technology,
the multiple signatures correspond to multiple private keys by one Ethernet address, and the multiple private key signatures are required to be valid when a fund is used.
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