CN111161046B - Method for carrying out export invoice cash registering based on block chain and storage medium - Google Patents
Method for carrying out export invoice cash registering based on block chain and storage medium Download PDFInfo
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- CN111161046B CN111161046B CN201911324621.4A CN201911324621A CN111161046B CN 111161046 B CN111161046 B CN 111161046B CN 201911324621 A CN201911324621 A CN 201911324621A CN 111161046 B CN111161046 B CN 111161046B
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- G—PHYSICS
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- 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
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
Abstract
The application discloses a method for carrying out export invoice cash registering based on a blockchain and a computer readable storage medium, wherein the method for carrying out export invoice cash registering based on the blockchain breaks through information islands through a blockchain distributed data storage technology, data sharing among multiple nodes is realized, the time, financial resources, manpower and material resources of a transaction processing process are reduced, meanwhile, documents are not lost, all relevant nodes need to carry out Hash signature on data uploaded to the blockchain, the authenticity of the data is ensured, and in addition, supplier nodes are introduced, so that business information is provided by three parties, the occurrence of contract counterfeiting is prevented, all transaction data are disclosed transparent on the blockchain, and all the nodes can effectively monitor the transaction process, so that the overall risk management and control capability is greatly improved.
Description
Technical Field
The application relates to the technical field of export invoice posting in trade financing, in particular to a block chain-based export invoice posting method and a computer-readable storage medium.
Background
The export invoice posting indicates that after the export enterprise delivers goods, the bank carries out short-term trade financing business with additional claims to the export enterprise according to a certain proportion on the basis of the amount of the ticket face of the business invoice by other business invoices and other related bill provided by the export enterprise, and the export enterprise takes receivables as a first repayment source.
The existing export invoice posting mode has the following problems:
1. the process of issuing, checking and transferring the credit card and the bill requires wasting a great deal of time, financial resources, manpower and material resources, and has higher cost and easy loss of the bill.
2. In the actual operation flow of export invoice labeling, after a bank and an export merchant sign a trust agreement, the bank only has documents such as commercial invoices provided by the export merchant, and whether the export merchant has enough capacity to complete an order is unclear, and the risks that the export merchant cannot complete order delivery and the export merchant is combined with an import merchant to make a false escape and lose credit are present.
3. The bank does not bear the credit risk of the buyer, who would be faced with a significant loss if the seller did not pay.
Disclosure of Invention
The application provides a block chain-based method for carrying out export invoice cash-on-place and a computer-readable storage medium, which are used for solving the technical problem of poor risk management and control capability of the existing export invoice cash-on-place mode.
According to one aspect of the present application, there is provided a method for export invoice impression based on blockchain, comprising the steps of:
step S1: the importer node and the exporter node sign the export trade contract and upload the export trade contract to the blockchain, and the exporter node and the supplier node sign the purchase trade contract and upload the purchase trade contract to the blockchain;
step S2: the supplier node sends out an invoice after transporting raw materials to the exporter node and uploads the invoice to the blockchain, and the importer node issues a commercial invoice after receiving the invoice and uploads the invoice to the blockchain after carrying out a Hash signature;
step S3: the export business node and the export logistics node sign a freight contract and upload the freight contract to the blockchain;
step S4: the issuing bank node and the exporter node sign invoice posting agreements and upload the invoices to the blockchain, and the exporter node hands over the business invoices to the issuing bank node;
step S5: the issuing bank node receives the invoice posting protocol and the business invoice after the hash signature of the export bank node and notifies the bargaining bank node to remit money;
step S6: the export business node carries out cargo transportation activities after receiving the delivery notice of the issuing bank node, and the cargo transportation related information is uploaded to the block chain;
step S7: the importer node performs goods extraction activities, and relevant information for goods extraction is uploaded to a blockchain;
step S8: the importer node confirms that the goods are free of problems and pays the goods and the payment record is uploaded to the blockchain.
Further, the step S1 specifically includes the following steps:
step S11: the exporter node deploys the export trade contract on the blockchain and sends the export trade contract to the importer node after Hash signing;
step S12: after confirming and checking the export trade contract, the importer node carries out Hash signature and uploads the Hash signature to the blockchain;
step S13: the export node deploys the purchase trade contract on the blockchain and sends the purchase trade contract to the supplier node after Hash signing;
step S14: after confirming and checking the purchase trade contract, the supplier node carries out Hash signature and uploads the Hash signature to the blockchain.
Further, the step S2 specifically includes the following steps:
step S21: the supplier node delivers the raw materials to the outlet node and sends an invoice, and the invoice is uploaded to a blockchain after hash signing;
step S22: the exporter node forwards the invoice to the importer node and applies the importer node to issue a commercial invoice;
step S23: the importer node sends the business invoice to the exporter node after making the business invoice and carrying out Hash signature, and records the business invoice on the blockchain.
Further, the step S3 specifically includes the following steps:
step S31: the export commodity circulation node sends the export commodity circulation node after deploying the freight contract on the blockchain and carrying out Hash signature;
step S32: after confirming the goods contract, the outlet logistics node confirms the receipt and carries out Hash signature, and the signed goods contract is uploaded to the blockchain and logistics service is provided for the outlet logistics node.
Further, the step S4 specifically includes the following steps:
step S41: the issuing bank node applies for extracting market conditions and credit seniorities of importer nodes from the Orcale nodes;
step S42: the Orcale node extracts the market condition of the importer node, sends the market condition and credit qualification to the issuing bank node, and uploads the Hash signature to the blockchain;
step S43: the issuing bank node checks the market condition of the importer node, issues a credit card for the importer node after the credit qualification is qualified, and uploads the Hash signature to the blockchain;
step S44: the export business node deploys an export invoice posting application form on the blockchain, carries out Hash signature and then sends the export invoice posting application form to the issuing business node;
step S45: the issuing bank node checks the invoice provided by the supplier node and confirms that the invoice is consistent with the purchase trade contract;
step S46: the issuing bank node applies for extracting basic information and credit seniority of the export business node from the Orcale node;
step S47: the Orcale node extracts basic information and credit qualification of the exporter node, sends the basic information and credit qualification to the issuing bank node, and uploads the basic information and the credit qualification to the blockchain after carrying out Hash signature;
step S48: the issuing bank node checks the basic information and credit seniority of the exporter node and the export trade contract, purchase trade contract, freight contract and business invoice provided by the exporter node, if the application of the exporter node is refused, a refusal notice is generated, if the application is refused, an export invoice posting protocol is deployed on a blockchain, hash signature is carried out, and then the export invoice posting protocol is sent to the exporter node;
step S49: the export business node sends the export invoice to the issuing bank node after carrying out a Hash signature on the export invoice impression protocol, hands over the business invoice to the issuing bank node, and uploads the hand-over record to the blockchain.
Further, the step S5 specifically includes the following steps:
step S51: after receiving the invoice posting protocol and the business invoice after the Hash signature of the export business node, the issuing bank note node issues a bank note license, carries out Hash signature on the bank note license and the credit card by using a private key of the issuing bank note node, and sends the bank note license and the credit card to the issuing bank note node;
step S52: after receiving the paying permit and the credit card, the bargained line node verifies by using the public key of the issuing line node, and determines that the bargained line node is from the issuing line node and reminds money to the exporter node;
step S53: the Oracle node extracts the transfer record from the bargained line node to the exporter node, performs Hash signature and then uploads the record to the blockchain.
Further, the step S6 specifically includes the following steps:
step S61: the issuing bank node carries out Hash signature on the delivery notice and then sends the Hash signature to the exporter node to inform the exporter node of delivery;
step S62: the exporter node verifies the delivery notice by using the public key of the issuing bank node, and confirms that the issuing bank node starts delivering the delivery after issuing the confirmation;
step S63: the exporter node applies for business inspection from the exporter business inspection bureau node, generates a qualified certificate after the business inspection of the exporter business inspection bureau node is qualified, carries out Hash signature, uploads the qualified certificate to the blockchain, and informs the exporter node;
step S64: the exporter node negotiates with the exporter insurance company node and then makes an application on goods, the exporter insurance company node generates a policy and sends out the exporter node after Hash signature, and the exporter node determines that the application is followed by Hash signature on the policy and uploads the policy to the blockchain;
step S65: the exporter node uploads the export complete customs clearance bill to the blockchain and applies clearance to the exporter customs node, and the exporter customs node issues a release notice after the success of the field audit and examination and uploads the clearance notice to the blockchain by means of Hash signature.
Further, the step S7 specifically includes the following steps:
step S71: the logistics node of the importer receives the goods to generate a bill of lading and carries out Hash signature to send to the importer node;
step S72: the importer node carries out Hash signature on the bill of lading and then returns the bill of lading to the importer logistics node, and uploads the bill of lading to the blockchain;
step S73: the importer node applies for goods commodity inspection to the importer commodity inspection bureau node, the importer commodity inspection bureau node generates a qualified certificate after inspecting goods to be qualified, and uploads the qualified certificate to the blockchain after Hash signature is carried out on the qualified certificate, and notifies the importer node;
step S74: the importer node uploads an import complete customs clearance bill to the blockchain and applies for clearance to the importer customs node, and the importer customs node issues a release notice and carries out Hash signature and uploads the release notice to the blockchain after the importer customs node passes the field auditing verification;
step S75: and the importer node extracts the goods by using the lifting one-way importer logistics node, and the importer logistics node carries out Hash signature on the goods extraction information and uploads the goods to the blockchain.
Further, the step S8 specifically includes the following steps:
step S81: after confirming that the goods have no problem, the importer node reminds money to the issuing bank node;
step S82: oracle extracts transfer records from an importer node to an issuing bank node, carries out Hash signature, and uploads the record to a blockchain;
step S83: the issuing bank node reminds to the bargaining bank node;
step S84: oracle extracts the transfer records from the issuing bank node to the negotiating bank node, carries out Hash signature, and then uploads the record to the blockchain.
The present application also provides a computer readable storage medium for executing a computer program for blockchain-based export invoice impression, which when run on a computer performs the blockchain-based export invoice impression method as described above.
The application has the following beneficial effects:
according to the method for carrying out export invoice cash register based on the blockchain, the information island is broken through by a blockchain distributed data storage technology, data sharing among multiple nodes is achieved, the time, financial resources, manpower and material resources of a transaction processing process are reduced, meanwhile, documents are not lost, all relevant nodes need to carry out Hash signature on data uploaded to the blockchain by the relevant nodes, authenticity of the data is guaranteed, in addition, a supplier node is introduced, business information is changed into three-party supply, contract counterfeiting is prevented, all transaction data are disclosed and transparent on the blockchain, all the nodes can effectively monitor the transaction process, and integral risk management and control capability is greatly improved.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a block chain network deployment diagram of a method for export invoice impression based on a block chain in accordance with a preferred embodiment of the present application.
FIG. 2 is a business network diagram of a method for export invoice impression based on blockchain in accordance with a preferred embodiment of the present application.
FIG. 3 is a flow chart of a method for export invoice impression based on blockchain in accordance with a preferred embodiment of the present application.
Fig. 4 is a schematic flow chart of step S1 in fig. 3 according to a preferred embodiment of the present application.
Fig. 5 is a schematic flow chart of step S2 in fig. 3 according to a preferred embodiment of the present application.
Fig. 6 is a schematic flow chart of step S3 in fig. 3 according to a preferred embodiment of the present application.
Fig. 7 is a schematic flow chart of step S4 in fig. 3 according to a preferred embodiment of the present application.
Fig. 8 is a schematic flow chart of step S5 in fig. 3 according to a preferred embodiment of the present application.
Fig. 9 is a schematic sub-flow chart of step S6 in fig. 3 according to a preferred embodiment of the present application.
Fig. 10 is a schematic flow chart of step S7 in fig. 3 according to a preferred embodiment of the present application.
Fig. 11 is a schematic flow chart of step S8 in fig. 3 according to a preferred embodiment of the present application.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawing figures, but the application can be practiced in a number of different ways, as defined and covered below.
For ease of understanding, as shown in fig. 1 and 2, the multi-party nodes involved in the blockchain network in the blockchain-based method of export invoice impression are explained below.
Oracle node (prophetic machine): the platform for providing external information can allow the blockchain to be connected to any existing API, and can import, store and export information about network nodes on the blockchain, so that dynamic acquisition of the information is realized;
2. supplier node: refers to an upstream enterprise of an exporter, an enterprise that provides raw materials for manufacturing type exporters or provides commodities for trade type exporters;
3. importer node: the trade company or merchant purchases commodity from abroad, then sells it to industrial and mining enterprises, wholesalers and retailers in the country, or processes it or stores it slightly, and then transfers it to other countries or regions;
4. exporter node: a foreign trade company having authority to transact export business;
5. issuing bank node: the system refers to a bank which receives the requirements and instructions of the issuing applicant (generally a buyer and a goods importer of trade contracts) or issues a credit card according to the own needs, the issuing bank is generally a bank where an exporter is located, the issuing bank is responsible for obligations under the credit card on the behalf of the exporter and is also a bank which receives commercial remittance of the importer, and the issuing bank and the proposing bank can be the same bank;
6. the pay line node: the bank receiving the invoice cash register business of the export business, also called a payor, can be the same bank as the issuing business;
7. exporter business inspection bureau node: indicating a detecting mechanism for checking whether the commodity meets the export requirement or not;
8. exporter insurance company node: indicating the company that the consignor provides insurance service for goods transportation and the like;
9. export customs node: the customs of the mouth party is pointed out and is responsible for auditing and checking the mechanism of the goods issuing pass;
10. export side logistics node: the method is characterized in that the importer at least engages in transportation (including transportation agency and goods express) or storage as an operation business, and can organize and manage basic functions of transportation, storage, loading and unloading, packaging, circulation processing, distribution and the like according to the logistics requirements of clients, and the method has an information management system which is suitable for the business of the importer, and implements independent accounting and independent economic organization for bearing civil responsibility;
11. importer business inspection bureau node: the finger inlet side is responsible for checking whether the commodity meets the detection mechanism of the import requirement;
12. importer customs node: the customs of the importer is responsible for auditing and checking the mechanism of issuing passes of the goods;
13. entering side logistics node: the method indicates that the importer at least engages in transportation (including transportation agency and goods express) or storage as an operation business, and can organize and manage basic functions of transportation, storage, loading and unloading, packaging, circulation processing, distribution and the like according to the logistics requirements of clients, and the method has an information management system which is suitable for self business, and implements independent accounting and independent economic organization for bearing civil responsibility.
As shown in FIG. 3, the preferred embodiment of the present application provides a method for export invoice impression based on blockchain, comprising the following steps:
step S1: the importer node and the exporter node sign the export trade contract and upload the export trade contract to the blockchain, and the exporter node and the supplier node sign the purchase trade contract and upload the purchase trade contract to the blockchain;
step S2: the supplier node sends out an invoice after transporting raw materials to the exporter node and uploads the invoice to the blockchain, and the importer node issues a commercial invoice after receiving the invoice and uploads the invoice to the blockchain after carrying out a Hash signature;
step S3: the export business node and the export logistics node sign a freight contract and upload the freight contract to the blockchain;
step S4: the issuing bank node and the exporter node sign invoice posting agreements and upload the invoices to the blockchain, and the exporter node hands over the business invoices to the issuing bank node;
step S5: the issuing bank node receives the invoice posting protocol and the business invoice after the hash signature of the export bank node and notifies the bargaining bank node to remit money;
step S6: the export business node carries out cargo transportation activities after receiving the delivery notice of the issuing bank node, and the cargo transportation related information is uploaded to the block chain;
step S7: the importer node performs goods extraction activities, and relevant information for goods extraction is uploaded to a blockchain;
step S8: the importer node confirms that the goods are free of problems and pays the goods and the payment record is uploaded to the blockchain.
In this embodiment, the method for exporting invoice cash based on the blockchain breaks the information island through the blockchain distributed data storage technology, realizes data sharing among multiple nodes, reduces the time, financial resources, manpower and material resources required in the transaction processing process, meanwhile, documents cannot be lost, all relevant nodes need to carry out Hash signature on the data uploaded to the blockchain, so that the authenticity of the data is ensured, and in addition, a supplier node is introduced, so that service information is provided by three parties, the situation of contract counterfeiting is prevented, all transaction data are disclosed and transparent on the blockchain, all the nodes can effectively supervise the transaction process, and the overall risk management and control capability is greatly improved.
It will be appreciated that, as shown in fig. 4, the step S1 specifically includes the following steps:
step S11: the exporter node deploys the export trade contract on the blockchain and sends the export trade contract to the importer node after Hash signing;
step S12: after confirming and checking the export trade contract, the importer node carries out Hash signature and uploads the Hash signature to the blockchain;
step S13: the export node deploys the purchase trade contract on the blockchain and sends the purchase trade contract to the supplier node after Hash signing;
step S14: after confirming and checking the purchase trade contract, the supplier node carries out Hash signature and uploads the Hash signature to the blockchain.
In the step S1, a supplier node is newly introduced, so that the service information becomes three-party provision, the condition of joint counterfeiting between the importer node and the exporter node is prevented, and the risk of the bank is reduced.
It will be appreciated that, as shown in fig. 5, the step S2 specifically includes the following steps:
step S21: the supplier node delivers the raw materials to the outlet node and sends an invoice, and the invoice is uploaded to a blockchain after hash signing;
step S22: the exporter node forwards the invoice to the importer node and applies the importer node to issue a commercial invoice;
step S23: the importer node sends the business invoice to the exporter node after making the business invoice and carrying out Hash signature, and records the business invoice on the blockchain.
In the step S2, the shipping information is uploaded to the blockchain after the supplier node performs the Hash signature, instead of being uploaded by the exporter node, so that the authenticity of the transaction can be effectively monitored by the bank.
It will be appreciated that, as shown in fig. 6, the step S3 specifically includes the following steps:
step S31: the export commodity circulation node sends the export commodity circulation node after deploying the freight contract on the blockchain and carrying out Hash signature;
step S32: after confirming the goods contract, the outlet logistics node confirms the receipt and carries out Hash signature, and the signed goods contract is uploaded to the blockchain and logistics service is provided for the outlet logistics node.
It will be appreciated that, as shown in fig. 7, the step S4 specifically includes the following steps:
step S41: the issuing bank node applies for extracting market conditions and credit seniorities of importer nodes from the Orcale nodes;
step S42: the Orcale node extracts the market condition of the importer node, sends the market condition and credit qualification to the issuing bank node, and uploads the Hash signature to the blockchain;
step S43: the issuing bank node checks the market condition of the importer node, issues a credit card for the importer node after the credit qualification is qualified, and uploads the Hash signature to the blockchain;
step S44: the export business node deploys an export invoice posting application form on the blockchain, carries out Hash signature and then sends the export invoice posting application form to the issuing business node;
step S45: the issuing bank node checks the invoice provided by the supplier node and confirms that the invoice is consistent with the purchase trade contract;
step S46: the issuing bank node applies for extracting basic information and credit seniority of the export business node from the Orcale node;
step S47: the Orcale node extracts basic information and credit qualification of the exporter node, sends the basic information and credit qualification to the issuing bank node, and uploads the basic information and the credit qualification to the blockchain after carrying out Hash signature;
step S48: the issuing bank node checks the basic information and credit seniority of the exporter node and the export trade contract, purchase trade contract, freight contract and business invoice provided by the exporter node, if the application of the exporter node is refused, a refusal notice is generated, if the application is refused, an export invoice posting protocol is deployed on a blockchain, hash signature is carried out, and then the export invoice posting protocol is sent to the exporter node;
step S49: the export business node sends the export invoice to the issuing bank node after carrying out a Hash signature on the export invoice impression protocol, hands over the business invoice to the issuing bank node, and uploads the hand-over record to the blockchain.
In the step S4, the issuing process of the credit card is carried out on a block chain, so that the bill is not lost, the cost is greatly reduced, and the processing efficiency is improved; in addition, the issuing bank node can timely and accurately acquire market conditions and credit seniorities of the importer node through the Oracle node, so that whether to issue a credit card for the importer node can be accurately estimated; in addition, the fundamental information and credit qualification condition of the exporter node, which are acquired by the issuing bank node through the Oracle node, are convenient for the issuing bank node to timely and accurately evaluate whether to transact export invoice posting business for the exporter node, so that the risk of the issuing bank node is reduced.
It will be appreciated that, as shown in fig. 8, the step S5 specifically includes the following steps:
step S51: after receiving the invoice posting protocol and the business invoice after the Hash signature of the export business node, the issuing bank note node issues a bank note license, carries out Hash signature on the bank note license and the credit card by using a private key of the issuing bank note node, and sends the bank note license and the credit card to the issuing bank note node;
step S52: after receiving the paying permit and the credit card, the bargained line node verifies by using the public key of the issuing line node, and determines that the bargained line node is from the issuing line node and reminds money to the exporter node;
step S53: the Oracle node extracts the transfer record from the bargained line node to the exporter node, performs Hash signature and then uploads the record to the blockchain.
It will be appreciated that, preferably, in said step S52, the payor node transfers money directly to the supplier node according to the purchase trade contract, in relation to the cost of raw materials, without passing through the exporter node, reducing the cash amount of the exporter node 'S hand and reducing the risk of the exporter node' S money being rolled.
It will be appreciated that, as shown in fig. 9, the step S6 specifically includes the following steps:
step S61: the issuing bank node carries out Hash signature on the delivery notice and then sends the Hash signature to the exporter node to inform the exporter node of delivery;
step S62: the exporter node verifies the delivery notice by using the public key of the issuing bank node, and confirms that the issuing bank node starts delivering the delivery after issuing the confirmation;
step S63: the exporter node applies for business inspection from the exporter business inspection bureau node, generates a qualified certificate after the business inspection of the exporter business inspection bureau node is qualified, carries out Hash signature, uploads the qualified certificate to the blockchain, and informs the exporter node;
step S64: the exporter node negotiates with the exporter insurance company node and then makes an application on goods, the exporter insurance company node generates a policy and sends out the exporter node after Hash signature, and the exporter node determines that the application is followed by Hash signature on the policy and uploads the policy to the blockchain;
step S65: the exporter node uploads the export complete customs clearance bill to the blockchain and applies clearance to the exporter customs node, and the exporter customs node issues a release notice after the success of the field audit and examination and uploads the clearance notice to the blockchain by means of Hash signature.
It is understood that the step S64 may be omitted. In addition, in the step S6, the relevant information of the goods outlet circulation process is uploaded to the blockchain network after being signed by the relevant nodes, so that the nodes of all parties, especially the issuing bank node, can effectively monitor the outlet condition of the goods, and the risk of the issuing bank node is reduced.
It will be appreciated that, as shown in fig. 10, the step S7 specifically includes the following steps:
step S71: the logistics node of the importer receives the goods to generate a bill of lading and carries out Hash signature to send to the importer node;
step S72: the importer node carries out Hash signature on the bill of lading and then returns the bill of lading to the importer logistics node, and uploads the bill of lading to the blockchain;
step S73: the importer node applies for goods commodity inspection to the importer commodity inspection bureau node, the importer commodity inspection bureau node generates a qualified certificate after inspecting goods to be qualified, and uploads the qualified certificate to the blockchain after Hash signature is carried out on the qualified certificate, and notifies the importer node;
step S74: the importer node uploads an import complete customs clearance bill to the blockchain and applies for clearance to the importer customs node, and the importer customs node issues a release notice and carries out Hash signature and uploads the release notice to the blockchain after the importer customs node passes the field auditing verification;
step S75: and the importer node extracts the goods by using the lifting one-way importer logistics node, and the importer logistics node carries out Hash signature on the goods extraction information and uploads the goods to the blockchain.
In the step S7, the circulation condition of the goods at the importer is also uploaded to the blockchain, and the logistics information is disclosed and transparent, so that the issuing bank node can effectively monitor the logistics condition of the goods at the import stage.
It will be appreciated that, as shown in fig. 11, the step S8 specifically includes the following steps:
step S81: after confirming that the goods have no problem, the importer node reminds money to the issuing bank node;
step S82: oracle extracts transfer records from an importer node to an issuing bank node, carries out Hash signature, and uploads the record to a blockchain;
step S83: the issuing bank node reminds to the bargaining bank node;
step S84: oracle extracts the transfer records from the issuing bank node to the negotiating bank node, carries out Hash signature, and then uploads the record to the blockchain.
It will be appreciated that the second embodiment of the present application also provides a computer readable storage medium storing a computer program for blockchain-based export invoice impression, which when run on a computer performs the blockchain-based export invoice impression method as described above.
Forms of general computer-readable media include: a floppy disk (floppy disk), a flexible disk (flexible disk), hard disk, magnetic tape, any other magnetic medium, a CD-ROM, any other optical medium, punch cards, paper tape, any other physical medium with patterns of holes, a Random Access Memory (RAM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), a FLASH erasable programmable read-only memory (FLASH-EPROM), any other memory chip or cartridge, or any other medium from which a computer can read. The instructions may further be transmitted or received over a transmission medium. The term transmission medium may include any tangible or intangible medium that may be used to store, encode, or carry instructions for execution by a machine, and includes digital or analog communications signals or their communications with intangible medium that facilitate communication of such instructions. Transmission media includes coaxial cables, copper wire and fiber optics, including the wires that comprise a bus for transmitting computer data signals.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (2)
1. A block chain-based method for export invoice impression is characterized in that,
the method comprises the following steps:
step S1: the importer node and the exporter node sign the export trade contract and upload the export trade contract to the blockchain, and the exporter node and the supplier node sign the purchase trade contract and upload the purchase trade contract to the blockchain;
step S2: the supplier node sends out an invoice after transporting raw materials to the exporter node and uploads the invoice to the blockchain, and the importer node issues a commercial invoice after receiving the invoice and uploads the invoice to the blockchain after carrying out a Hash signature;
step S3: the export business node and the export logistics node sign a freight contract and upload the freight contract to the blockchain;
step S4: the issuing bank node and the exporter node sign invoice posting agreements and upload the invoices to the blockchain, and the exporter node hands over the business invoices to the issuing bank node;
step S5: the issuing bank node receives the invoice posting protocol and the business invoice after the hash signature of the export bank node and notifies the bargaining bank node to remit money;
step S6: the export business node carries out cargo transportation activities after receiving the delivery notice of the issuing bank node, and the cargo transportation related information is uploaded to the block chain;
step S7: the importer node performs goods extraction activities, and relevant information for goods extraction is uploaded to a blockchain;
step S8: the importer node confirms that the goods pay after no problem, and the payment record is uploaded to the blockchain;
the step S1 specifically comprises the following steps:
step S11: the exporter node deploys the export trade contract on the blockchain and sends the export trade contract to the importer node after Hash signing;
step S12: after confirming and checking the export trade contract, the importer node carries out Hash signature and uploads the Hash signature to the blockchain;
step S13: the export node deploys the purchase trade contract on the blockchain and sends the purchase trade contract to the supplier node after Hash signing;
step S14: after confirming and checking the purchase trade contract, the supplier node carries out Hash signature and uploads the Hash signature to the blockchain;
the step S2 specifically includes the following steps:
step S21: the supplier node delivers the raw materials to the outlet node and sends an invoice, and the invoice is uploaded to a blockchain after hash signing;
step S22: the exporter node forwards the invoice to the importer node and applies the importer node to issue a commercial invoice;
step S23: after the importer node makes a commercial invoice and carries out Hash signature, the commercial invoice is sent to the exporter node and recorded on a blockchain;
the step S3 specifically comprises the following steps:
step S31: the export commodity circulation node sends the export commodity circulation node after deploying the freight contract on the blockchain and carrying out Hash signature;
step S32: after confirming the goods contract, the outlet logistics node confirms the receipt and carries out Hash signature, and uploads the signed goods contract to the blockchain and provides logistics service for the outlet logistics node;
the step S4 specifically includes the following steps:
step S41: the issuing bank node applies for extracting market conditions and credit seniorities of importer nodes from the Orcale nodes;
step S42: the Orcale node extracts the market condition of the importer node, sends the market condition and credit qualification to the issuing bank node, and uploads the Hash signature to the blockchain;
step S43: the issuing bank node checks the market condition of the importer node, issues a credit card for the importer node after the credit qualification is qualified, and uploads the Hash signature to the blockchain;
step S44: the export business node deploys an export invoice posting application form on the blockchain, carries out Hash signature and then sends the export invoice posting application form to the issuing business node;
step S45: the issuing bank node checks the invoice provided by the supplier node and confirms that the invoice is consistent with the purchase trade contract;
step S46: the issuing bank node applies for extracting basic information and credit seniority of the export business node from the Orcale node;
step S47: the Orcale node extracts basic information and credit qualification of the exporter node, sends the basic information and credit qualification to the issuing bank node, and uploads the basic information and the credit qualification to the blockchain after carrying out Hash signature;
step S48: the issuing bank node checks the basic information and credit seniority of the exporter node and the export trade contract, purchase trade contract, freight contract and business invoice provided by the exporter node, if the application of the exporter node is refused, a refusal notice is generated, if the application is refused, an export invoice posting protocol is deployed on a blockchain, hash signature is carried out, and then the export invoice posting protocol is sent to the exporter node;
step S49: the export business node carries out Hash signature on the export invoice cash-on agreement and then sends the Hash signature to the issuing bank node, hands over the business invoice to the issuing bank node, and uploads the hand-over record to the blockchain;
the step S5 specifically includes the following steps:
step S51: after receiving the invoice posting protocol and the business invoice after the Hash signature of the export business node, the issuing bank note node issues a bank note license, carries out Hash signature on the bank note license and the credit card by using a private key of the issuing bank note node, and sends the bank note license and the credit card to the issuing bank note node;
step S52: after receiving the paying permit and the credit card, the bargained line node verifies by using the public key of the issuing line node, and determines that the bargained line node is from the issuing line node and reminds money to the exporter node;
step S53: the Oracle node extracts transfer records from the bargaining line node to the exporter node, performs Hash signature and then uploads the record to the blockchain;
the step S6 specifically includes the following steps:
step S61: the issuing bank node carries out Hash signature on the delivery notice and then sends the Hash signature to the exporter node to inform the exporter node of delivery;
step S62: the exporter node verifies the delivery notice by using the public key of the issuing bank node, and confirms that the issuing bank node starts delivering the delivery after issuing the confirmation;
step S63: the exporter node applies for business inspection from the exporter business inspection bureau node, generates a qualified certificate after the business inspection of the exporter business inspection bureau node is qualified, carries out Hash signature, uploads the qualified certificate to the blockchain, and informs the exporter node;
step S64: the exporter node negotiates with the exporter insurance company node and then makes an application on goods, the exporter insurance company node generates a policy and sends out the exporter node after Hash signature, and the exporter node determines that the application is followed by Hash signature on the policy and uploads the policy to the blockchain;
step S65: the exporter node uploads the export complete customs clearance bill to the blockchain and applies clearance to the exporter customs node, and the exporter customs node issues a release notice after the success of the field audit and examination and uploads the release notice to the blockchain by means of Hash signature;
the step S7 specifically includes the following steps:
step S71: the logistics node of the importer receives the goods to generate a bill of lading and carries out Hash signature to send to the importer node;
step S72: the importer node carries out Hash signature on the bill of lading and then returns the bill of lading to the importer logistics node, and uploads the bill of lading to the blockchain;
step S73: the importer node applies for goods commodity inspection to the importer commodity inspection bureau node, the importer commodity inspection bureau node generates a qualified certificate after inspecting goods to be qualified, and uploads the qualified certificate to the blockchain after Hash signature is carried out on the qualified certificate, and notifies the importer node;
step S74: the importer node uploads an import complete customs clearance bill to the blockchain and applies for clearance to the importer customs node, and the importer customs node issues a release notice and carries out Hash signature and uploads the release notice to the blockchain after the importer customs node passes the field auditing verification;
step S75: the importer node extracts goods by using a lifting one-way importer logistics node, and the importer logistics node carries out Hash signature on the goods extraction information and uploads the goods extraction information to a blockchain;
the step S8 specifically includes the following steps:
step S81: after confirming that the goods have no problem, the importer node reminds money to the issuing bank node;
step S82: oracle extracts transfer records from an importer node to an issuing bank node, carries out Hash signature, and uploads the record to a blockchain;
step S83: the issuing bank node reminds to the bargaining bank node;
step S84: oracle extracts the transfer records from the issuing bank node to the negotiating bank node, carries out Hash signature, and then uploads the record to the blockchain.
2. A computer readable storage medium for executing a computer program for blockchain-based export invoice impression, the computer program when run on a computer performing the blockchain-based export invoice impression method of claim 1.
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