WO2019227609A1 - Procédé d'achat d'actions intelligent basé sur une chaîne de blocs, dispositif, appareil et support de stockage - Google Patents

Procédé d'achat d'actions intelligent basé sur une chaîne de blocs, dispositif, appareil et support de stockage Download PDF

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Publication number
WO2019227609A1
WO2019227609A1 PCT/CN2018/095354 CN2018095354W WO2019227609A1 WO 2019227609 A1 WO2019227609 A1 WO 2019227609A1 CN 2018095354 W CN2018095354 W CN 2018095354W WO 2019227609 A1 WO2019227609 A1 WO 2019227609A1
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Prior art keywords
contract
smart contract
transaction
smart
stock
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PCT/CN2018/095354
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English (en)
Chinese (zh)
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张鹏
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平安科技（深圳）有限公司
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Publication of WO2019227609A1 publication Critical patent/WO2019227609A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • 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
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/405—Establishing or using transaction specific rules

Definitions

  • the present application relates to the field of blockchain technology, and relates to a method, a device, a device, and a storage medium for the purchase of smart stocks based on the blockchain.
  • a stock is a kind of marketable securities. It is a share certificate issued by the stock company to the investor when raising capital, and represents the holder's ownership of the stock company.
  • Stock trading refers to the buying and selling of stocks that have been issued and listed by stock investors at market prices.
  • the technical problem to be solved in this application is to overcome the problems that the medium and small stock investors in the prior art cannot buy and sell stocks across the sky and multi-person syndication on the brokerage platform, and proposes a blockchain-based intelligent stock purchase method, device, Equipment and storage media, to achieve flexible investment solutions, break the restrictions of traditional securities dealers, and support multi-person buy-and-sell stocks and buy-and-buy operations.
  • a blockchain-based smart stock purchase method includes the following steps:
  • the contract conditions include at least two parties.
  • the smart contract is a sales contract
  • one of the parties is On the brokerage platform, the other party is one or more users including the first user;
  • the smart contract is a viewing contract, one party is another user and the other party is the first user ;
  • the smart contract is verified according to a preset verification rule, and the verification result is fed back to the clients of both parties in the smart contract;
  • the smart contracts established within the same contract retention time interval are packaged and stored on a blockchain node, and broadcast to the blockchain through the P2P method with the smart The parties involved in the contract are on the same block;
  • S5. Periodically traverse the execution status, transaction, and trigger conditions of each established smart contract, and determine whether the transaction meets the trigger condition, and if it is satisfied, execute the transaction;
  • An electronic device stores a blockchain-based intelligent stock purchase system on the electronic device.
  • the blockchain-based intelligent stock purchase system includes:
  • a contract formulation module is configured to receive a contract condition selected by a first user on a client and add it to a preset contract template to generate a smart contract.
  • the contract condition includes at least two parties.
  • the smart contract is a sales contract
  • One party is a brokerage platform
  • the other party is one or more users including the first user.
  • the smart contract is a viewing contract
  • one party is the other user and the other party is the Mentioned first user;
  • a contract verification module configured to verify the smart contract according to a preset verification rule, and feedback the verification result to the clients of both parties in the smart contract;
  • a judging module for judging whether the verification result is a verification pass
  • the contract saving module is used to package and store smart contracts that are established within the same contract saving interval on a blockchain node according to a preset contract saving interval after the verification result is passed. Broadcast to the block where the two parties in the smart contract and the smart contract are located by means of P2P;
  • a contract execution module is used to periodically traverse the execution status, transactions, and trigger conditions of each established smart contract, and determine whether the transaction meets the trigger condition, and if it is satisfied, execute the transaction;
  • the recording module is configured to record an operation and an execution result of executing the transaction in a corresponding block, and send the execution result to a client of both parties in the smart contract.
  • a computer device includes a memory and a processor.
  • the memory stores a blockchain-based intelligent stock purchase system that can be executed by the processor. When the system is executed by the processor, the following steps are implemented. :
  • the contract conditions include at least two parties.
  • the smart contract is a sales contract
  • one of the parties is On the brokerage platform, the other party is one or more users including the first user;
  • the smart contract is a viewing contract, one party is another user and the other party is the first user ;
  • the smart contract is verified according to a preset verification rule, and the verification result is fed back to the clients of both parties in the smart contract;
  • the smart contracts established within the same contract retention time interval are packaged and stored on a blockchain node, and broadcast to the blockchain through the P2P method with the smart The parties involved in the contract are on the same block;
  • S5. Periodically traverse the execution status, transaction, and trigger conditions of each established smart contract, and determine whether the transaction meets the trigger condition, and if it is satisfied, execute the transaction;
  • a computer-readable storage medium stores computer program instructions in the computer-readable storage medium, and the computer program instructions are executable by one or more processors, so that the at least one processor performs operations of the following steps. :
  • the contract conditions include at least two parties.
  • the smart contract is a sales contract
  • one of the parties is On the brokerage platform, the other party is one or more users including the first user;
  • the smart contract is a viewing contract, one party is another user and the other party is the first user ;
  • the smart contract is verified according to a preset verification rule, and the verification result is fed back to the clients of both parties in the smart contract;
  • the smart contracts established within the same contract retention time interval are packaged and stored on a blockchain node, and broadcast to the blockchain through the P2P method with the smart The parties involved in the contract are on the same block;
  • S5. Periodically traverse the execution status, transaction, and trigger conditions of each established smart contract, and determine whether the transaction meets the trigger condition, and if it is satisfied, execute the transaction;
  • FIG. 1 shows a flowchart of Embodiment 1 of a smart stock subscription method based on a blockchain in the present application
  • FIG. 2 shows a flowchart of a second embodiment of a smart stock subscription method based on a blockchain according to the present application
  • FIG. 3 shows a flowchart of a third embodiment of a smart stock subscription method based on a blockchain according to the present application
  • FIG. 4 shows a schematic diagram of a program module of a first embodiment of a smart stock application system based on a blockchain in an electronic device of the present application
  • FIG. 5 is a schematic diagram of a hardware architecture of a computer device according to an embodiment of the present application.
  • this application proposes a smart stock purchase method based on the blockchain.
  • the blockchain-based smart stock purchase method includes the following steps:
  • the contract conditions include at least two parties.
  • the smart contract is a sales contract
  • one of the parties is On the brokerage platform, the other party is one or more users including the first user;
  • the smart contract is a viewing contract, one party is another user and the other party is the first user .
  • the “first” in the first user mentioned here has no specific meaning, and is only used as a difference from other users.
  • the another user refers to another user that is different from the first user.
  • the smart contract refers to an agreement that can automatically execute tasks that require manual completion.
  • a smart contract is any protocol that can perform some functions on its own. For example, a contract that automatically calculates the amount to be paid by the parties to a contract and arranges for payment of that amount. The use of smart contracts will reduce manual intervention during protocol execution.
  • the contract conditions are preset in the client, including the parties, the brokerage platform, the effective time range, the anchored stock number, the stock purchase or offer price, the number of shares purchased, and the price of the stock that triggered the purchase or sale, etc. Wait.
  • the customer sets the purchase conditions for stocks to buy within a two-day period when the price of a stock code is less than 15.8 yuan.
  • the time limit here is two days, and the price is less than 15.8 yuan.
  • the customer sets the stock purchase conditions as follows: A stock or B stock with a price lower than 15.8 yuan is preferentially purchased with lower price stocks that meet this condition.
  • the brokerage platform Since stock trading must be conducted on the brokerage platform, when the smart contract is a sales and purchase type contract for buying or selling stocks, as stated in the contract conditions, the brokerage platform is indispensable as a party, and the brokerage firm The platform should choose the brokerage platform where the user has an account.
  • the other party may be one user or multiple users, and especially when multiple persons buy and sell one stock, the other party may be the multiple persons who buy and sell one stock.
  • the smart contract for buying and selling stocks can also be a viewing contract for buying and selling stocks.
  • the buying does not refer to directly following a user to buy or sell stocks, but to view the buying and selling records of a user. See if the side reference wants to follow. Therefore, the party is a specific user, that is, the party being viewed. The other party is the first user, that is, the viewing party.
  • the smart contract is verified according to a preset verification rule, and the verification result is fed back to the clients of both parties in the smart contract.
  • Verify the structure of the smart contract such as whether the bytes of the smart contract exceed the standard and the format is correct
  • Verify whether the funds meet the investment plan that is, whether the total amount of funds in the account established by each user involved in the smart contract in the brokerage firm is greater than or equal to the total amount of funds required by the investment plan
  • the verification passes that the smart contract meets all the following verification rules:
  • the total amount of funds in the accounts set up by each user involved in the smart contract in the brokerage firm satisfies the investment plan
  • the effective time written in the smart contract is greater than the current time
  • the contract conditions in the smart contract are confirmed by the consent of all parties.
  • the verification result of the smart contract is that the verification fails, and the smart contract is not established.
  • the smart contracts established within the same contract retention time interval are packaged and stored on a blockchain node, and broadcast to the blockchain through the P2P method with the smart On the block where both parties are in the contract.
  • the Blockchain is a new application mode of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms.
  • the S4 is a storage method of the smart contract in the blockchain, which belongs to the prior art and has been widely used, and will not be repeated here.
  • the content saved in each block also includes the time stamp corresponding to the smart contract record.
  • S5. Periodically traverse the execution status, transaction, and trigger condition of each established smart contract, and determine whether the transaction meets the trigger condition, and if it is satisfied, execute the transaction.
  • the execution status refers to whether the contract is effective.
  • the establishment of a contract does not mean that the contract becomes effective.
  • the stock purchaser can set the effective date of the contract in the smart contract. For example, the contract is established on 2018.1.1, but the stock purchaser declares that the contract will be implemented from 2018.2.1.
  • the transaction refers to a request to buy or sell a stock, to view a transaction request of a certain user, and the like.
  • the trigger condition refers to a condition to be satisfied in generating a request to buy or sell stocks, for example, when the stock code of 100,000 is lower than or equal to the purchase price agreed in the contract, and the buyer ’s account is greater than or When the total purchase price is equal to the total purchase price, it means that the transaction meets the trigger condition.
  • Every operation and result of executing a transaction will be recorded in the corresponding block, and the results will be sent to each relevant user to know.
  • the corresponding block refers to the block where each user and the brokerage platform are located.
  • S5 includes the following points: step:
  • S511. Determine whether only one user is involved in the smart contract. If S515 is performed, otherwise S512 is performed.
  • S512 Send a shared account query request to the brokerage platform involved in the smart contract. If the query is found, S514 is executed; if the query is not found, S513 is executed;
  • the shared account is an account shared by each user involved in the smart contract as a stock transaction party.
  • the shared account is independent of each user's personal account opened on the brokerage platform, and is a newly created independent account that can be viewed by multiple users, that is, the multiple users have the right to view the shared account.
  • the funds in the shared account come from the personal accounts of multiple users who have viewing rights to view, that is, after the shared account is established, the funds in the personal accounts of each user involved must be transferred to the share according to the agreement of the smart contract. Account.
  • the stock trading is operated directly in its personal account opened on the brokerage platform.
  • the corresponding block refers to the block where each user and the brokerage platform involved in the smart contract are located.
  • the transaction is a request to view a transaction record of the user (that is, commonly known as a follow-up buy / Follow-up operation), at this time S5 includes the following sub-steps:
  • S521. Receive a record viewing request sent by a user who is a viewing party through a client, where the request includes a sharing party identification code and a smart contract identification code.
  • each user and the smart contract are coded and distinguished, that is, the identification code is allocated, and each user and the smart contract will correspond to a unique identification code.
  • the request When sending a record viewing request, the request will include the sharer ID and smart contract ID, and the sharer and smart contract are set by the user who is the viewer.
  • the smart contract is stored on a node in the blockchain and can be found directly through the smart contract identification code.
  • S523. Determine whether the record viewing request is true and valid according to the contract conditions in the smart contract, and if yes, retrieve the user's stock transaction record from the blockchain node where the user whose record is the sharer is located.
  • the validity period of the contract can be set in the smart contract, in addition, as a party in the smart contract, the contract can be broken.
  • the characteristic of the blockchain is that every modification / operation is recorded and will not be deleted. Therefore, after the smart contract is invalidated or broken, the smart contract still exists in the blockchain, so it is necessary to confirm whether the smart contract is Real and effective, only when the smart contract is valid, the next operation can be performed (the stock transaction record of the user as the sharing party).
  • S524 Send the retrieved stock transaction record to the client of the user who is the viewing party.
  • this application proposes an electronic device.
  • the electronic device stores a smart stock subscription system 20 based on a blockchain.
  • the system 20 can be divided into one or more program modules.
  • FIG. 4 shows a schematic diagram of a program module of the first embodiment of the blockchain-based smart stock purchase system 20.
  • the system 20 can be divided into a contract formulation module 201 and a contract verification module. 202.
  • the program module referred to in the present application refers to a series of computer program instruction segments capable of performing specific functions. The following description will specifically introduce the specific functions of the program modules 201-206.
  • the contract formulation module 201 is configured to receive a contract condition selected by a first user on a client and add it to a preset contract template to generate a smart contract.
  • the contract condition includes at least two parties.
  • the smart contract is a sales contract
  • the other party is one or more users including the first user
  • the smart contract is a viewing contract
  • one of the parties is the other user and the other party is Is the first user;
  • the contract verification module 202 is configured to verify a smart contract according to a preset verification rule, and feed the verification result to a client of both parties in the smart contract;
  • the judging module 203 is configured to judge whether the verification result is a verification pass
  • the contract saving module 204 is configured to package and store smart contracts established within the same contract saving time interval on a blockchain node according to a preset contract saving time interval after the verification result is passed. , And broadcast to the block where the two parties in the smart contract are located in the blockchain through P2P;
  • the contract execution module 205 is used to periodically traverse the execution status, transaction, and trigger conditions of each established smart contract one by one, and determine whether the transaction meets the trigger condition, and if it is satisfied, execute the transaction;
  • the recording module 206 is configured to record an operation and an execution result of executing the transaction in a corresponding block, and send the execution result to a client of both parties in the smart contract.
  • this application also proposes a computer device.
  • FIG. 5 is a schematic diagram of a hardware architecture of a computer device according to an embodiment of the present application.
  • the computer device 2 is a device capable of automatically performing numerical calculation and / or information processing in accordance with an instruction set or stored in advance.
  • it can be a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack server, a blade server, a tower server, or a rack server (including an independent server or a server cluster composed of multiple servers).
  • the computer device 2 includes at least, but is not limited to, a memory 21, a processor 22, a network interface 23, and a smart stock subscription system 20 based on a blockchain that can communicate with each other through a system bus. among them:
  • the memory 21 includes at least one type of computer-readable storage medium.
  • the readable storage medium includes a flash memory, a hard disk, a multimedia card, a card-type memory (for example, SD or DX memory, etc.), a random access memory (RAM), Static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, magnetic disks, optical disks, etc.
  • the memory 21 may be an internal storage unit of the computer device 2, such as a hard disk or a memory of the computer device 2.
  • the memory 21 may also be an external storage device of the computer device 2, such as a plug-in hard disk, a smart memory card (SMC), and a secure digital device. (Secure Digital, SD) card, Flash card, etc.
  • the memory 21 may also include both an internal storage unit of the computer device 2 and an external storage device thereof.
  • the memory 21 is generally used to store an operating system and various types of application software installed on the computer device 2, such as program codes of the blockchain-based smart stock purchase system 20.
  • the memory 21 may also be used to temporarily store various types of data that have been output or will be output.
  • the processor 22 may be a central processing unit (CPU), a controller, a microcontroller, a microprocessor, or other data processing chips in some embodiments.
  • the processor 22 is generally used to control the overall operation of the computer device 2, for example, to perform control and processing related to data interaction or communication with the computer device 2.
  • the processor 22 is configured to run program code or process data stored in the memory 21, for example, to run the blockchain-based intelligent stock purchase system 20 and the like.
  • the network interface 23 may include a wireless network interface or a wired network interface.
  • the network interface 23 is generally used to establish a communication connection between the computer device 2 and other computer devices.
  • the network interface 23 is configured to connect the computer device 2 and an external terminal through a network, and establish a data transmission channel and a communication connection between the computer device 2 and the external terminal.
  • the network may be an Intranet, the Internet, a Global System for Mobile Communication (GSM), a Wideband Code Division Multiple Access (WCDMA), a 4G network, 5G Wireless, or wired networks such as Internet, Bluetooth, Wi-Fi.
  • GSM Global System for Mobile Communication
  • WCDMA Wideband Code Division Multiple Access
  • FIG. 5 only shows the computer device 2 with components 21-23, but it should be understood that it is not required to implement all the illustrated components, and more or fewer components may be implemented instead.
  • the blockchain-based smart stock purchase system 20 stored in the memory 21 may be executed by one or more processors (processor 22 in this embodiment) to complete the above-mentioned block-based The operation of the smart stock purchase method of the chain.
  • the computer-readable storage medium is a volatile storage medium that stores therein computer program instructions that can be executed by one or more processors to The at least one processor is caused to execute the steps of the blockchain-based smart stock purchase method according to any one of the foregoing.

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Abstract

La présente invention appartient au domaine technique des chaînes de blocs et porte sur un procédé d'achat d'actions intelligent basé sur une chaîne de blocs. Le procédé comprend les étapes suivantes : S1, réception d'une condition contractuelle sélectionnée par un premier utilisateur sur un client et ajout de celle-ci à un modèle de contrat prédéfini pour générer un contrat intelligent; S2, vérification du contrat intelligent selon une règle de vérification prédéfinie; S3, si un résultat de vérification est réussi, validation du contrat intelligent et exécution de S4; S4, conditionnement et sauvegarde du contrat intelligent validé sur un nœud d'une chaîne de blocs, et diffusion de celui-ci par communication poste à poste (P2P) vers un bloc dans lequel les deux parties du contrat intelligent sont situées dans la chaîne de blocs; S5, exécution d'un sous-programme satisfaisant une condition de déclenchement; S6, enregistrement d'une opération exécutant le sous-programme, et d'un résultat d'exécution sur un bloc correspondant et renvoi de celui-ci à des clients des deux parties du contrat intelligent. Le procédé peut être utilisé pour rendre un programme d'investissement plus flexible, et surmonter les limitations d'un courtier classique afin de rendre l'investissement plus simple.
PCT/CN2018/095354 2018-05-30 2018-07-12 Procédé d'achat d'actions intelligent basé sur une chaîne de blocs, dispositif, appareil et support de stockage WO2019227609A1 (fr)

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CN201810537960.XA CN108805713A (zh) 2018-05-30 2018-05-30 基于区块链的智能股票申购方法、装置、设备及存储介质

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CN109615516B (zh) * 2018-12-05 2021-04-16 腾讯科技（深圳）有限公司 资源转移方法、装置、电子设备及存储介质
CN109785134B (zh) * 2019-01-23 2021-06-01 武汉理工大学 用区块链来实现股票交易的管理系统及方法
CN110175854A (zh) * 2019-04-28 2019-08-27 阿里巴巴集团控股有限公司 消费合约处理方法及其系统
CN110135803B (zh) * 2019-04-29 2023-12-08 深圳市元征科技股份有限公司 一种事项管理方法及区块链节点设备
TWI754419B (zh) * 2020-10-16 2022-02-01 國立臺北商業大學 多帳戶股票申購存款資金自動配置之系統及其方法
TWI745125B (zh) * 2020-10-16 2021-11-01 國立臺北商業大學 自動化申購股票之系統及其方法

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