CN113269646A - Intelligent contract design method for realizing bill asset circulation based on block chain - Google Patents

Intelligent contract design method for realizing bill asset circulation based on block chain Download PDF

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CN113269646A
CN113269646A CN202110628698.1A CN202110628698A CN113269646A CN 113269646 A CN113269646 A CN 113269646A CN 202110628698 A CN202110628698 A CN 202110628698A CN 113269646 A CN113269646 A CN 113269646A
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雷雳
薛锋
白健
安红章
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China Electronic Technology Cyber Security Co Ltd
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Abstract

The invention provides an intelligent contract design method for realizing bill asset circulation based on a block chain, which comprises the following steps: s1, constructing a block chain system architecture: (1) deploying a plurality of core organization nodes on a blockchain infrastructure BSI; (2) deploying intelligent contract service with unified standard on the block chain; (3) accessing a corresponding service system on a core organization node; s2, designing an intelligent contract, comprising: (1) registering an intelligent contract by the user identity; (2) updating the intelligent contract by the user identity information; (3) the bill issues an intelligent contract; (4) splitting the bill into intelligent contracts; (5) the bill signs an intelligent contract; (6) the bill is redeemed with the intelligent contract; (7) intelligent contract for financing bills. The invention realizes unified identity management, asset circulation among members and the like on the blockchain, ensures high security of point-to-point transaction and prevents data tampering through the characteristics of transparency, safe traceability, multi-node consensus and the like of blockchain transaction data.

Description

Intelligent contract design method for realizing bill asset circulation based on block chain
Technical Field
The invention relates to the technical field of financial system bill asset management, in particular to an intelligent contract design method for realizing bill asset circulation based on a block chain.
Background
At present, various supply chain financial systems mainly use a centralized system mode to make bill issuing, payment, transfer and the like, the data security is questioned, most importantly, bills in different systems and different business systems cannot be circulated, and the development of supply chain financial business is limited to a great extent.
Disclosure of Invention
The invention aims to provide an intelligent contract design method for realizing bill asset circulation based on a block chain, which aims to solve the problems that the data security is questioned and bills between different systems and different business systems cannot circulate in the current various supply chain financial systems.
The invention provides an intelligent contract design method for realizing bill asset circulation based on a block chain, which is characterized by comprising the following steps:
s1, constructing a block chain system architecture:
(1) deploying a plurality of core organization nodes on a blockchain infrastructure BSI;
(2) deploying intelligent contract service with unified standard on the block chain;
(3) accessing a corresponding service system on a core organization node;
s2, designing an intelligent contract, comprising:
(1) registering an intelligent contract by the user identity;
(2) updating the intelligent contract by the user identity information;
(3) the bill issues an intelligent contract;
(4) splitting the bill into intelligent contracts;
(5) the bill signs an intelligent contract;
(6) the bill is redeemed with the intelligent contract;
(7) intelligent contract for financing bills.
In one embodiment, the user identity registration intelligent contract is as follows:
(1) a user logs in a service system to perform user basic identity registration, and submits user information and a platform ID to a user basic identity registration SDK; the user information includesUser private key SKIDPThe name of the organization, the social credit code, the name of the legal person and the hash value of the identity card number;
(2) the SDK for registering the basic identity of the user generates the ID of the user and calculates the signature SIGIDP(user ID, platform ID, organization name, social credit code, corporate name, ID card number hash value);
(3) user basic identity registration SDK registers identity for uplink request { user ID, platform ID, organization name, social credit code, legal name, identity number hash value, SIGIDP() Sending the block chains;
(4) the blockchain checks the received identity registration uplink request, including verifying the signature SIGIDP() If the data is correct and the user ID is unique, generating block data after the data passes the verification;
(5) the block chain returns a chain recording result { user ID, block data } through a user basic identity registration SDK;
(6) the SDK returns a chaining result { user ID, block data } to the service system, and the service system updates the user basic identity registration result and notifies the user of the user basic identity registration result.
In one embodiment, the user identity information updates the intelligent contract as follows:
(1) the user logs in the service system to update the basic identity information of the user, and submits a basic identity information update application { platform ID, update information field and signature SIG to the basic identity information update SDK of the user through the service systemuser(update information field, timestamp) }; the update information field is basic information, real name information and state information;
(2) user basic identity information update SDK calculation signature SIGIDP(user ID, update information field, signature SIG)user())；
(3) The SDK sends a basic User Identity (UID) update uplink request (SIG) to the blockchainuser() Update information field, signature SIGIDP()}；
(4) Block chain based on received user basic informationThe checking of the uplink updating request comprises the following steps: verification signature SIGIDP() Whether it is correct; inquiring whether the platform ID of the user is consistent with the platform ID initiating updating according to the user ID; and updating according to the updating information field after passing the verification;
(5) the block chain returns a chain recording result to the user basic identity information updating SDK;
(6) and the SDK updates the basic identity information of the user and returns a chain recording result to the service system.
In one embodiment, the ticket issuing intelligent contract is as follows:
(1) a user logs in a service system to issue an electronic bill, and sends a bill issuing request { the identity of both transaction parties and related information of the bill } to a bill issuing SDK through the service system;
(2) SDK calculation signature SIG for bill issuanceIDP(identification of both parties to the transaction, information relating to the instrument);
(3) the SDK sends a request of issuing the note on the chain { identity of both parties of transaction, related information of the note, signature SIG to the blockchainIDP()}；
(4) The block chain checks according to the received note signing and issuing chain request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; checking whether the bill number is unique; inquiring whether a platform ID of a transaction receiver and a user ID exist; generating block data after passing the verification;
(5) the block chain returns a chain recording result and block data to the SDK issued by the bill;
(6) and the ticket issuing SDK returns the chain recording result and the block data to the service system.
In one embodiment, the ticket splitting intelligent contract is as follows:
(1) a user logs in a service system to split a bill, and sends a bill splitting request { platform ID, user ID and bill related information } to a bill splitting SDK through the service system;
(2) signature SIG is calculated to bill split SDKIDP(platform ID, user ID, ticket related information);
(3) bill splitting SDK sends bill splitting cochain request { platform) to blockchainID. User ID, ticket related information, signature SIGIDP()}；
(4) The block chain carries out verification according to the received bill splitting cochain request, and the verification comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the ID of the payee platform of the current bill is consistent with the ID of the transaction initiating platform; whether the object platform ID for bill splitting payment exists or not; generating block data after passing the verification;
(5) the block chain returns a chain recording result and block data to the bill splitting SDK;
(6) and the ticket splitting SDK returns the chain recording result and the block data to the service system.
In one embodiment, the ticket signing intelligent contract is as follows:
(1) a user logs in a service system to sign for a bill, and sends a bill signing request { bill number and bill state } to a bill signing SDK through the service system;
(2) SDK computed signature SIG for receipt of ticketIDP(note number, note status);
(3) the ticket splitting SDK sends a ticket signing uplink request { user ID, ticket number, ticket state, signature SIG to the blockchainIDP()}；
(4) The block chain checks according to the received note signing uplink request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; checking whether the bill state is normal; verifying whether the ID of the transaction initiator platform is consistent with the ID of the bill to-be-signed platform; generating block data after passing the verification;
(5) the block chain returns a chain-recording result and block data to the note signing SDK;
(6) and the SDK for signing the bill returns a chain recording result and block data to the service system.
In one embodiment, the ticket redemption intelligence contract is as follows:
(1) a user logs in a service system to carry out bill cashing, and sends a bill cashing request { user ID, bill number, bill state and bill related information } to a bill cashing SDK through the service system;
(2) SDK calculation signature SIG for bill cashingIDP(user ID, ticket number, ticket status, ticket related information);
(3) the ticket redeeming SDK sends a ticket redeeming cochain request { user ID, ticket number, ticket status, ticket related information, signature SIG) to the blockchainIDP()}；
(4) The block chain carries out verification according to the received bill cashing cochain request, and the verification comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the ID of the originating cashing platform is the ID of a bill issuing platform or not; generating block data after passing the verification;
(5) the block chain returns a chain-recording result and block data to the bill cashing SDK;
(6) and the bill cashing SDK returns a chain-recording result and block data to the service system.
In one embodiment, the instrument financing intelligence contract is as follows:
(1) a user logs in a service system to perform bill financing, and sends a bill financing request { user basic identity information, bill related information and financing related information } to a bill financing SDK through the service system;
(2) bill financing SDK calculation signature SIGIDP(user basic identity information, ticket related information, financing related information);
(3) the ticket financing SDK sends a ticket financing uplink request { user basic identity information, ticket related information, financing related information, signature SIG to the blockchainIDP()}；
(4) The block chain checks according to the received bill financing uplink request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the transaction initiator platform is a ticket holding platform; generating block data after passing the verification;
(5) the block chain returns a chain recording result and block data to the bill financing SDK;
(6) and the SDK returns the chain-recording result and the block data to the service system.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention describes an intelligent contract design method under the scene based on the bill service scene, realizes unified identity management, asset circulation among members and the like on a block chain through a public protocol, ensures high security of point-to-point transaction through the characteristics of transparent transaction data, safe traceability, multi-node consensus and the like of the block chain, and prevents data tampering. Therefore, the problem that data security is questioned and bills of different systems and different business systems cannot circulate in various supply chain financial systems at present is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block chain system architecture diagram according to an embodiment of the present invention.
FIG. 2 is a standard business flow diagram of a ticket asset flow process according to an embodiment of the invention.
Fig. 3 is a flowchart of an interaction protocol for registering an intelligent contract for a user identity according to an embodiment of the present invention.
FIG. 4 is a flowchart of an interaction protocol for updating an intelligent contract according to user identity information in an embodiment of the present invention
Fig. 5 is a flowchart of an interaction protocol for issuing an intelligent contract for a ticket according to an embodiment of the present invention.
Fig. 6 is an interaction protocol flow chart of a ticket splitting intelligent contract according to an embodiment of the present invention.
Fig. 7 is an interactive protocol flow diagram of a ticket signing intelligent contract according to an embodiment of the present invention.
Fig. 8 is an interactive protocol flow diagram of a ticket redeeming intelligence contract, in accordance with an embodiment of the present invention.
Fig. 9 is an interactive protocol flow diagram of a ticket financing intelligence contract in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The embodiment provides an intelligent contract design method for realizing bill asset circulation based on a block chain, which comprises the following steps:
s1, as shown in fig. 1, constructing a blockchain system architecture:
(1) deploying a plurality of core organization nodes on a blockchain infrastructure BSI;
(2) deploying intelligent contract service with unified standard on the block chain;
(3) accessing a corresponding service system on a core organization node;
s2, designing an intelligent contract;
firstly, defining personal entities and bill entities involved in the intelligent contract:
(1) personal entities, as shown in table 1.
Table 1:
Figure BDA0003102831930000071
Figure BDA0003102831930000081
(2) billing entity, as shown in table 2:
table 2:
Figure BDA0003102831930000082
Figure BDA0003102831930000091
furthermore, the standard business process of bill asset circulation is divided into 5 stages according to the life cycle of a general bill, as shown in fig. 2, and is described as follows:
1. enterprise registration
And the enterprises submit the CA certificate and the registration information, and after the verification, the identity information of the enterprises is registered on the block chain.
2. Bill issuing
And the core enterprise signs a bill to the system or a supplier across the system through the verification and the certificate storage of the block chain according to the real order, and the supplier signs through the block chain.
3. Bill splitting and circulation
The supplier checks and deposits the certificate through the block chain, and pays the bill in the hand to the system or the next supplier across the system after splitting, and the next supplier signs in through the block chain.
4. Financing application
The supplier initiates financing application to the sponsor organization which is connected with the business system issuing the bill through the block chain by the held bill, and the sponsor system can complete the paying after passing the corresponding auditing process.
5. Due exchange payment
When the bill expires, the core enterprise inquires and verifies the redemption details through the block chain by the issuance platform according to the redemption rule, then directly pays the bill to the final bill holder of each platform, and completes data storage to the block chain.
The intelligent contract is defined according to actual services, and therefore, for the above-mentioned standard business process of bill asset circulation, the intelligent contract designed in this embodiment includes:
(1) user identity registration intelligent contract
The description of the user identity registration intelligent contract interface is shown in table 3.
Table 3:
Figure BDA0003102831930000101
in this regard, the user identity registration intelligent contract of this embodiment is shown in fig. 3, and includes:
1. a user logs in a service system to perform user basic identity registration, and submits user information and a platform ID to a user basic identity registration SDK; the user information comprises a user private key SKIDPThe name of the organization, the social credit code, the name of the legal person and the hash value of the identity card number;
2. the SDK for registering the basic identity of the user generates the ID of the user and calculates the signature SIGIDP(user ID, platform ID, organization name, social credit code, corporate name, ID card number hash value);
3. user basic identity registration SDK registers identity for uplink request { user ID, platform ID, organization name, social credit code, legal name, identity number hash value, SIGIDP() Sending the block chains;
4. the blockchain checks the received identity registration uplink request, including verifying the signature SIGIDP() If the data is correct and the user ID is unique, generating block data after the data passes the verification;
5. the block chain returns a chain recording result { user ID, block data } through a user basic identity registration SDK;
6. the SDK returns a chaining result { user ID, block data } to the service system, and the service system updates the user basic identity registration result and notifies the user of the user basic identity registration result.
(2) User identity information updating intelligent contract
The interface description of the user identity information updating intelligent contract is shown in table 4.
Table 4:
Figure BDA0003102831930000111
in this regard, the user identity information update intelligent contract of this embodiment is shown in fig. 4, and includes:
1. the user logs in the service system to update the basic identity information of the user, and submits a basic identity information update application { platform ID, update information field and signature SIG to the basic identity information update SDK of the user through the service systemuser(update information field, timestamp) }; the update information field is basic information, real name information and state information;
2. user basic identity information update SDK calculation signature SIGIDP(user ID, update information field, signature SIG)user())；
3. The SDK sends a basic User Identity (UID) update uplink request (SIG) to the blockchainuser() Update information field, signature SIGIDP()}；
4. The block chain updating uplink request for checking according to the received user basic information comprises the following steps: verification signature SIGIDP() Whether it is correct; inquiring whether the platform ID of the user is consistent with the platform ID initiating updating according to the user ID; and updating according to the updating information field after passing the verification;
5. the block chain returns a chain recording result to the user basic identity information updating SDK;
6. and the SDK updates the basic identity information of the user and returns a chain recording result to the service system.
(3) Intelligent contract for issuing bill
The interface description of the intelligent contract issued by the bill is shown in table 5.
Table 5:
Figure BDA0003102831930000121
in this regard, the ticket issuing intelligent contract of this embodiment is shown in fig. 5, and includes:
1. a user (core enterprise) logs in a service system to issue an electronic bill, and sends a bill issuing request { identity of both parties of a transaction and related information of the bill } to a bill issuing SDK through the service system;
2. SDK calculation signature SIG for bill issuanceIDP(identification of both parties to the transaction, information relating to the instrument);
3. the SDK sends a request of issuing the note on the chain { identity of both parties of transaction, related information of the note, signature SIG to the blockchainIDP()}；
4. The block chain checks according to the received note signing and issuing chain request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; checking whether the bill number is unique; inquiring whether a platform ID of a transaction receiver and a user ID exist; generating block data after passing the verification;
5. the block chain returns a chain recording result and block data to the SDK issued by the bill;
6. and the ticket issuing SDK returns the chain recording result and the block data to the service system.
(4) Intelligent contract for bill splitting
The interface description of the ticket splitting intelligent contract is shown in table 6.
Table 6:
Figure BDA0003102831930000131
to this end, the intelligent contract for ticket splitting of this embodiment is shown in fig. 6, and includes:
1. a user (core enterprise or supplier) logs in a service system to split a bill, and sends a bill splitting request { platform ID, user ID and bill related information } to a bill splitting SDK through the service system;
2. signature SIG is calculated to bill split SDKIDP(platform ID, user ID, ticket related information);
3. the ticket splitting SDK sends a ticket splitting cochain request { platform ID, user ID, ticket related information and signature SIG) to the blockchainIDP()}；
4. The block chain carries out verification according to the received bill splitting cochain request, and the verification comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the ID of the payee platform of the current bill is consistent with the ID of the transaction initiating platform; whether the object platform ID for bill splitting payment exists or not; generating block data after passing the verification;
5. the block chain returns a chain recording result and block data to the bill splitting SDK;
6. and the ticket splitting SDK returns the chain recording result and the block data to the service system.
(5) The interface description of the ticket signing intelligent contract is shown in table 7.
Table 7:
Figure BDA0003102831930000141
in this regard, the intelligent contract for ticket receipt of the embodiment is shown in fig. 7, and includes:
1. a user (a supplier) logs in a service system to sign for a bill, and sends a bill signing request { bill number and bill state } to a bill signing SDK through the service system;
2. SDK computed signature SIG for receipt of ticketIDP(note number, note status);
3. the ticket splitting SDK sends a ticket signing uplink request { user ID, ticket number, ticket state, signature SIG to the blockchainIDP()}；
4. The block chain checks according to the received note signing uplink request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; checking whether the bill state is normal; verifying whether the ID of the transaction initiator platform is consistent with the ID of a platform of a party (payee) to sign the bill; generating block data after passing the verification;
5. the block chain returns a chain-recording result and block data to the note signing SDK;
6. and the SDK for signing the bill returns a chain recording result and block data to the service system.
(6) Intelligent contract for bill exchange and payment
The interface description of the ticket redeeming intelligent contract is shown in table 8.
Table 8:
Figure BDA0003102831930000142
in this regard, the intelligent contract for ticket redemption of the present embodiment is shown in fig. 8, and includes:
1. a user (core enterprise) pays funds to a provider refund account before a blockchain bill expires, after a business system receives a bank refund receipt (the business system checks), the user logs in the business system to carry out bill cashing, and sends a bill cashing request { user ID, bill number, bill state and bill related information } to a bill cashing SDK through the business system;
2. SDK calculation signature SIG for bill cashingIDP(user ID, ticket number, ticket status, ticket related information);
3. the ticket redeeming SDK sends a ticket redeeming cochain request { user ID, ticket number, ticket status, ticket related information, signature SIG) to the blockchainIDP()}；
4. The block chain carries out verification according to the received bill cashing cochain request, and the verification comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the ID of the originating cashing platform is the ID of a bill issuing platform or not; generating block data after passing the verification;
5. the block chain returns a chain-recording result and block data to the bill cashing SDK;
6. and the bill cashing SDK returns a chain-recording result and block data to the service system.
(7) Intelligent contract for bill financing
The interface description of the intelligent contract for financing a bill is shown in table 9.
Table 9:
Figure BDA0003102831930000151
in this regard, the intelligent contract for financing the bills of this embodiment is shown in fig. 9, and includes:
1. a user (supplier) logs in a service system to perform bill financing, and sends a bill financing request { user basic identity information, bill related information and financing related information } to a bill financing SDK through the service system;
2. bill financing SDK calculation signature SIGIDP(user basic identity information, ticket related information, financing related information);
3. the ticket financing SDK sends a ticket financing uplink request { user basic identity information, ticket related information, financing related information, signature SIG to the blockchainIDP()}；
4. The block chain checks according to the received bill financing uplink request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the transaction initiator platform is a ticket holding platform; generating block data after passing the verification;
5. the block chain returns a chain recording result and block data to the bill financing SDK;
6. and the SDK returns the chain-recording result and the block data to the service system.
Therefore, the invention describes an intelligent contract design method under the bill service scene, realizes unified identity management, asset circulation among members and the like on a block chain through an open protocol, ensures high security of point-to-point transaction through the characteristics of block chain transaction data transparency, security traceability, multi-node consensus and the like, and prevents data tampering. Therefore, the problem that data security is questioned and bills of different systems and different business systems cannot circulate in various supply chain financial systems at present is solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An intelligent contract design method for realizing bill asset circulation based on a block chain is characterized by comprising the following steps:
s1, constructing a block chain system architecture:
(1) deploying a plurality of core organization nodes on a blockchain infrastructure BSI;
(2) deploying intelligent contract service with unified standard on the block chain;
(3) accessing a corresponding service system on a core organization node;
s2, designing an intelligent contract, comprising:
(1) registering an intelligent contract by the user identity;
(2) updating the intelligent contract by the user identity information;
(3) the bill issues an intelligent contract;
(4) splitting the bill into intelligent contracts;
(5) the bill signs an intelligent contract;
(6) the bill is redeemed with the intelligent contract;
(7) intelligent contract for financing bills.
2. The intelligent contract design method for realizing bill asset circulation based on block chains according to claim 1, characterized in that the user identity registration intelligent contract is as follows:
(1) a user logs in a service system to perform user basic identity registration, and submits user information and a platform ID to a user basic identity registration SDK; the user information comprises a user private key SKIDPThe name of the organization, the social credit code, the name of the legal person and the hash value of the identity card number;
(2) the SDK for registering the basic identity of the user generates the ID of the user and calculates the signature SIGIDP(user ID, platform ID, organization name, social credit code, corporate name, ID card number hash value);
(3) user basic identity registration SDK registers identity for uplink request { user ID, platform ID, organization name, social credit code, legal name, identity number hash value, SIGIDP() Sending the block chains;
(4) block chain upon receptionThe identity registration of the user terminal performs verification of the uplink request, including verifying the signature SIGIDP() If the data is correct and the user ID is unique, generating block data after the data passes the verification;
(5) the block chain returns a chain recording result { user ID, block data } through a user basic identity registration SDK;
(6) the SDK returns a chaining result { user ID, block data } to the service system, and the service system updates the user basic identity registration result and notifies the user of the user basic identity registration result.
3. The intelligent contract design method for realizing bill asset circulation based on the block chain as claimed in claim 1, wherein the user identity information updating intelligent contract is as follows:
(1) the user logs in the service system to update the basic identity information of the user, and submits a basic identity information update application { platform ID, update information field and signature SIG to the basic identity information update SDK of the user through the service systemuser(update information field, timestamp) }; the update information field is basic information, real name information and state information;
(2) user basic identity information update SDK calculation signature SIGIDP(user ID, update information field, signature SIG)user())；
(3) The SDK sends a basic User Identity (UID) update uplink request (SIG) to the blockchainuser() Update information field, signature SIGIDP()}；
(4) The block chain updating uplink request for checking according to the received user basic information comprises the following steps: verification signature SIGIDP() Whether it is correct; inquiring whether the platform ID of the user is consistent with the platform ID initiating updating according to the user ID; and updating according to the updating information field after passing the verification;
(5) the block chain returns a chain recording result to the user basic identity information updating SDK;
(6) and the SDK updates the basic identity information of the user and returns a chain recording result to the service system.
4. The intelligent contract design method for realizing bill asset circulation based on the block chain as claimed in claim 1, wherein the intelligent contract issued by the bill is as follows:
(1) a user logs in a service system to issue an electronic bill, and sends a bill issuing request { the identity of both transaction parties and related information of the bill } to a bill issuing SDK through the service system;
(2) SDK calculation signature SIG for bill issuanceIDP(identification of both parties to the transaction, information relating to the instrument);
(3) the SDK sends a request of issuing the note on the chain { identity of both parties of transaction, related information of the note, signature SIG to the blockchainIDP()}；
(4) The block chain checks according to the received note signing and issuing chain request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; checking whether the bill number is unique; inquiring whether a platform ID of a transaction receiver and a user ID exist; generating block data after passing the verification;
(5) the block chain returns a chain recording result and block data to the SDK issued by the bill;
(6) and the ticket issuing SDK returns the chain recording result and the block data to the service system.
5. The intelligent contract design method for realizing bill asset circulation based on the blockchain as claimed in claim 1, wherein the intelligent contract for bill splitting is as follows:
(1) a user logs in a service system to split a bill, and sends a bill splitting request { platform ID, user ID and bill related information } to a bill splitting SDK through the service system;
(2) signature SIG is calculated to bill split SDKIDP(platform ID, user ID, ticket related information);
(3) the ticket splitting SDK sends a ticket splitting cochain request { platform ID, user ID, ticket related information and signature SIG) to the blockchainIDP()}；
(4) The block chain carries out verification according to the received bill splitting cochain request, and the verification comprises the following steps: verification signature SIGIDP() Whether or not to be uprightConfirming; verifying whether the ID of the payee platform of the current bill is consistent with the ID of the transaction initiating platform; whether the object platform ID for bill splitting payment exists or not; generating block data after passing the verification;
(5) the block chain returns a chain recording result and block data to the bill splitting SDK;
(6) and the ticket splitting SDK returns the chain recording result and the block data to the service system.
6. The intelligent contract design method for realizing bill asset circulation based on the block chain as claimed in claim 1, wherein the intelligent contract signed by the bill is as follows:
(1) a user logs in a service system to sign for a bill, and sends a bill signing request { bill number and bill state } to a bill signing SDK through the service system;
(2) SDK computed signature SIG for receipt of ticketIDP(note number, note status);
(3) the ticket splitting SDK sends a ticket signing uplink request { user ID, ticket number, ticket state, signature SIG to the blockchainIDP()}；
(4) The block chain checks according to the received note signing uplink request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; checking whether the bill state is normal; verifying whether the ID of the transaction initiator platform is consistent with the ID of the bill to-be-signed platform; generating block data after passing the verification;
(5) the block chain returns a chain-recording result and block data to the note signing SDK;
(6) and the SDK for signing the bill returns a chain recording result and block data to the service system.
7. The intelligent contract design method for realizing bill asset circulation based on block chains according to claim 1, characterized in that the bill cashing intelligent contract is as follows:
(1) a user logs in a service system to carry out bill cashing, and sends a bill cashing request { user ID, bill number, bill state and bill related information } to a bill cashing SDK through the service system;
(2) SDK calculation signature SIG for bill cashingIDP(user ID, ticket number, ticket status, ticket related information);
(3) the ticket redeeming SDK sends a ticket redeeming cochain request { user ID, ticket number, ticket status, ticket related information, signature SIG) to the blockchainIDP()}；
(4) The block chain carries out verification according to the received bill cashing cochain request, and the verification comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the ID of the originating cashing platform is the ID of a bill issuing platform or not; generating block data after passing the verification;
(5) the block chain returns a chain-recording result and block data to the bill cashing SDK;
(6) and the bill cashing SDK returns a chain-recording result and block data to the service system.
8. The intelligent contract design method for realizing bill asset circulation based on block chains according to claim 1, characterized in that the intelligent contract for bill financing is as follows:
(1) a user logs in a service system to perform bill financing, and sends a bill financing request { user basic identity information, bill related information and financing related information } to a bill financing SDK through the service system;
(2) bill financing SDK calculation signature SIGIDP(user basic identity information, ticket related information, financing related information);
(3) the ticket financing SDK sends a ticket financing uplink request { user basic identity information, ticket related information, financing related information, signature SIG to the blockchainIDP()}；
(4) The block chain checks according to the received bill financing uplink request, and the checking comprises the following steps: verification signature SIGIDP() Whether it is correct; verifying whether the transaction initiator platform is a ticket holding platform; generating block data after passing the verification;
(5) the block chain returns a chain recording result and block data to the bill financing SDK;
(6) and the SDK returns the chain-recording result and the block data to the service system.
CN202110628698.1A 2021-06-07 2021-06-07 Intelligent contract design method for realizing bill asset circulation based on block chain Pending CN113269646A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106533696A (en) * 2016-11-18 2017-03-22 江苏通付盾科技有限公司 Block chain-based identity authentication methods, authentication server and user terminal
CN106780033A (en) * 2016-12-16 2017-05-31 杭州云象网络技术有限公司 A kind of digital ticket transaction system construction method based on alliance's chain
CN109035019A (en) * 2018-07-11 2018-12-18 平安科技（深圳）有限公司 Bill business method, system, computer equipment and storage medium
CN109102285A (en) * 2018-07-30 2018-12-28 上海淳麒金融信息服务有限公司 Supply chain finance implementation method and its control system based on block chain duplex structure
CN110855701A (en) * 2019-11-21 2020-02-28 清华大学 Block chain-based infrastructure service method and device
CN111626733A (en) * 2020-05-21 2020-09-04 链博(成都)科技有限公司 Supply chain financial service system based on block chain
CN111861593A (en) * 2020-07-15 2020-10-30 上海玳鸽信息技术有限公司 Supply chain receivable fund financing management method and device based on block chain
CN112613877A (en) * 2020-12-17 2021-04-06 腾讯科技（深圳）有限公司 Intelligent contract triggering method and device applied to block chain network and related equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106533696A (en) * 2016-11-18 2017-03-22 江苏通付盾科技有限公司 Block chain-based identity authentication methods, authentication server and user terminal
CN106780033A (en) * 2016-12-16 2017-05-31 杭州云象网络技术有限公司 A kind of digital ticket transaction system construction method based on alliance's chain
CN109035019A (en) * 2018-07-11 2018-12-18 平安科技（深圳）有限公司 Bill business method, system, computer equipment and storage medium
CN109102285A (en) * 2018-07-30 2018-12-28 上海淳麒金融信息服务有限公司 Supply chain finance implementation method and its control system based on block chain duplex structure
CN110855701A (en) * 2019-11-21 2020-02-28 清华大学 Block chain-based infrastructure service method and device
CN111626733A (en) * 2020-05-21 2020-09-04 链博(成都)科技有限公司 Supply chain financial service system based on block chain
CN111861593A (en) * 2020-07-15 2020-10-30 上海玳鸽信息技术有限公司 Supply chain receivable fund financing management method and device based on block chain
CN112613877A (en) * 2020-12-17 2021-04-06 腾讯科技（深圳）有限公司 Intelligent contract triggering method and device applied to block chain network and related equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘恺: "区块链技术在应收账款管理中的运用分析——以中企云链为例", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

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