CN114202427B - Block chain-based private fund raising method, system and storage medium - Google Patents
Block chain-based private fund raising method, system and storage medium Download PDFInfo
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Abstract
The invention discloses a block chain-based private fund change method, a system and a storage medium, wherein the method comprises the following steps: establishing a block chain network among a fund affiliate company data storage server, a fund company data storage server and a supervisory organization data storage server; the fund affiliate company data storage server receives a fund change request sent by the transaction server; the fund company data storage server broadcasts the fund change request to the blockchain network; the fund brokering company data storage server, the fund company data storage server and the monitoring organization data storage server verify the fund change request; and if the verification is successful, the fund affiliate company data storage server, the fund company data storage server and the supervision agency data storage server synchronously update the fund data and the respective fund data. The invention avoids the problems of overlong transaction flow and complicated flow caused by the fact that the existing fund affiliate company is not communicated with the fund company data.
Description
Technical Field
The invention relates to the technical field of private fund transfer, in particular to a block chain-based private fund changing method, a block chain-based private fund changing system and a storage medium.
Background
In the prior art, because of the limitation of the investment strategy of the private fund raising, for the closed fund, the user can not redeem the fund within a certain closed period, and the situation that the user needs to sell the fund urgently can not be solved; in addition, the data of the data storage server of the private fund affiliation company and the data storage server of the fund company are not communicated, so that the problems of overlong transaction flow and complex transaction flow are caused, and the situations of data delay and data inconsistency can also occur; and the existing privacy fund has data opacity, so that the supervision of the privacy data is difficult.
Disclosure of Invention
The invention provides a block chain-based private fund change method, which aims to solve the technical problems that data among a data storage server of a private fund affiliate company, a data storage server of a fund company and a data storage server of a monitoring organization are not communicated, and private fund transactions are difficult to monitor in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a block chain-based private fund raising method comprises the following steps: establishing a block chain network among a fund affiliate company data storage server, a fund company data storage server and a supervisory organization data storage server, wherein the block chain network consists of a plurality of decision nodes and a plurality of data nodes, the decision nodes are communicated with one another, each decision node is connected with at least one corresponding data node, and the fund affiliate company data storage server, the fund company data storage server and the supervisory organization data storage server respectively comprise at least one decision node; a decision node of a fund affiliation company data storage server receives a fund change request sent by a transaction server; a decision node of a fund company data storage server broadcasts a fund change request to a blockchain network; verifying the fund change request by the decision node of the fund affiliation company data storage server, the decision node of the fund company data storage server and the decision node of the supervision institution data storage server; and if the verification is successful, the fund data in the data nodes connected with the fund data storage server are synchronously updated by the decision node of the fund affiliate company data storage server, the decision node of the fund company data storage server and the decision node of the supervision agency data storage server.
Further, if the verification is successful, the step of synchronously updating the fund data in the data nodes connected with the fund data storage server by the fund affiliate, the decision node of the fund company data storage server and the decision node of the supervision agency data storage server specifically comprises the following steps: if the verification is successful, sending update confirmation request information to a decision node initiated by the data storage server of the fund affiliate company; the data nodes of the fund affiliation company data storage server update data according to the fund change request, and broadcast the data through decision nodes initiated by the fund affiliation company data storage server; and the decision node of the fund company data storage server and the decision node of the supervision organization data storage server synchronously update fund data in the data nodes connected with the fund company data storage server and store the fund data as historical available fund shares.
Further, before the step that the decision node of the fund affiliation company data storage server receives the fund change request sent by the transaction server, the method comprises the following steps: the transaction server receiving a redemption deduction request issued by the target user, the redemption deduction request including a deduction principal qualification, a target fund account and a target deduction share; the transaction server judges whether the deduction subject qualification meets the preset subject qualification; when the deduction principal qualification meets the preset principal qualification, the transaction server acquires the historical available fund share of the target fund account from the blockchain network; judging whether the historical available fund share is not less than the target deduction share or not, and when the historical available fund share is not less than the target deduction share, splitting the historical available fund share into the target deduction share and an updated balance, wherein the target deduction share and the updated balance jointly form the historical available fund share; and sending the updated balance to a decision node initiated by a data storage server of the fund affiliate, wherein the fund change request comprises a target fund account and the updated balance.
Further, if the verification is successful, the step of sending the update confirmation request information to the decision node initiated by the fund affiliate data storage server specifically includes: and verifying the initiating authority and the format correctness of the fund change request, verifying the fund change request by all decision nodes by adopting a consensus mechanism, if the decision nodes exceeding 2/3 consider the fund change request as a legal request, successfully verifying, and sending update confirmation request information to the decision nodes initiated by the fund affiliate data storage server.
Further, the transaction server obtains historical available fund shares for the target fund account from the fund brokerage data storage server.
Further, when the historical available fund share is smaller than the target deduction share, a prompt message is sent to the target user.
Further, the supervising authority data storage server is also used for acquiring the transaction records and displaying the transaction records.
The invention also provides a block chain-based private fund raising system, which comprises: the fund affiliation company data storage server, the fund company data storage server, the monitoring mechanism data storage server and the transaction server are arranged, a block chain network is established among the fund affiliation company data storage server, the fund company data storage server and the monitoring mechanism data storage server, the block chain network consists of a plurality of decision nodes and a plurality of data nodes, the decision nodes are mutually communicated, each decision node is connected with at least one corresponding data node, and the fund affiliation company data storage server, the fund company data storage server and the monitoring mechanism data storage server respectively comprise at least one decision node; the transaction server is used for acquiring data in data nodes in the blockchain network, and is also used for sending fund change requests to decision nodes of the blockchain.
The present invention also provides a computer-readable storage medium storing a computer program that causes a computer to execute a block chain-based method of changing a private fund as described above.
The invention has the following beneficial effects:
according to the block chain-based private fund change method, a block chain network among a fund affiliation company data storage server, a fund company data storage server and a monitoring mechanism data storage server is established, distributed communication among the fund affiliation company data storage server, the fund company data storage server and the monitoring mechanism data storage server is achieved under the support of a block chain distributed tool, the fund affiliation company data storage server and the fund company data storage server can update data in a block chain, and all updating operations can be audited by the monitoring mechanism data storage server, so that the transparency of the data is improved, the supervision performance of the private fund data is improved, and the validity of data updating is further ensured; data updating records of the private fund changing method based on the blockchain are kept in the blockchain and cannot be deleted, so that the traceability of the data is ensured; because the fund affiliation company data storage server, the fund company data storage server and the supervising mechanism data storage server are in distributed communication, the situations that the data of the existing fund affiliation company data storage server and the fund company data storage server are not communicated, the transaction flow is too long, the transaction flow is complex, and the data delay and the data are inconsistent are avoided; the technical problem that the existing closed private fund is difficult to transfer in the closed period is solved.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a block chain-based change of a private fund collection method according to an embodiment of the present invention;
fig. 2 is a flow chart of a blockchain-based private fund change method according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a block chain-based change system of a private fund according to an embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be practiced in many different ways, which are defined and covered by the following.
As shown in fig. 1, the method for changing a private fund based on a blockchain according to this embodiment includes the following steps:
s101, establishing a block chain network among a fund affiliate data storage server, a fund company data storage server and a monitoring mechanism data storage server, wherein the block chain network is composed of a plurality of decision nodes and a plurality of data nodes, the decision nodes are communicated with one another, each decision node is connected with at least one corresponding data node, and the fund affiliate data storage server, the fund company data storage server and the monitoring mechanism data storage server respectively comprise at least one decision node.
It is understood that, in this embodiment, it may be that the fund affiliate data storage server is configured with a decision node and a data node communicated with the decision node; the fund company data storage server is provided with a decision node and a data node communicated with the decision node; the data storage server of the supervision institution is provided with a decision node and a data node communicated with the decision node. In another embodiment, a plurality of decision nodes and one data node can be configured for the fund affiliate data storage server; a fund company data storage server is provided with a plurality of decision nodes and a data node; a plurality of decision nodes and a data node are configured at the regulatory agency data storage server. In other embodiments, a plurality of decision nodes and a plurality of data nodes may be configured for a fund-brokering company data storage server; a fund company data storage server is provided with a plurality of decision nodes and a plurality of data nodes; the regulatory agency data storage server configures a plurality of decision nodes and a plurality of data nodes.
The data nodes are used for storing the copy of data in the whole blockchain, distributed file storage is realized, the data nodes can synchronize data with each other, and the consistency of the data is ensured, wherein the data nodes of the data storage server of the fund affiliation company are also used for being communicated with the transaction server to provide a query interface of blockchain data for the transaction server to call; the decision nodes are used for updating the data of the block chain, when the initiated decision node decides to update the data in the block chain, a fund change request is sent to other decision nodes, and the other decision nodes check the correctness of the authority and the format of the fund change request.
S102, a decision node of the fund affiliation company data storage server receives a fund change request sent by the transaction server. It can be understood that, in this embodiment, the fund affiliate data storage server may communicate with the transaction server, the data node of the fund affiliate data storage server receives the fund change request sent by the transaction server, the decision node of the fund affiliate data storage server obtains the fund change request from the data node (or receives the fund change request sent by the transaction server through the decision node of the fund affiliate data storage server), and the decision node of the fund affiliate data storage server broadcasts the fund change request after receiving the fund change request.
S103, the decision node of the fund company data storage server broadcasts the fund change request to the blockchain network. Specifically, the decision nodes of the fund company data storage server broadcast the fund change request to all the decision nodes and wait for the verification of all the decision nodes.
S104, verifying the fund change request by the decision node of the fund affiliation company data storage server, the decision node of the fund company data storage server and the decision node of the supervision institution data storage server. In the invention, the fund change request is verified by the decision nodes of the fund affiliate company data storage server, the decision nodes of the fund company data storage server and the decision nodes of the supervision institution data storage server, the authority and the format correctness of the fund change request are verified through all the decision nodes, and the verification is successful if the authority and the format of the fund change request are correct; if the authority or format of the fund change request is incorrect, the check fails. Specifically, only the allowed decision nodes initiate fund change requests, and if the data communication formats and encryption verification of all the decision nodes are legal, the verification is successful, so that the data accuracy is ensured, and the transaction safety is improved.
S105, if the verification is successful, the decision node of the fund affiliation company data storage server, the decision node of the fund company data storage server and the decision node of the supervision agency data storage server synchronously update fund data in the data nodes connected with the fund affiliation company data storage server and the fund data in the supervision agency data storage server.
Understandably, if the verification is successful, sending update confirmation request information to a decision node initiated by the data storage server of the fund affiliate; the data nodes of the fund affiliation company data storage server update data according to the fund change request, and broadcast the data through decision nodes initiated by the fund affiliation company data storage server; and the decision node of the fund company data storage server and the decision node of the supervision organization data storage server synchronously update fund data in the data nodes connected with the fund company data storage server and store the fund data as historical available fund shares. In the invention, the decision node initiated by the fund factoring company data storage server receives the confirmation data of more than 2/3 decision nodes, then the updating operation is implemented, the updating result is synchronized to other decision nodes and data nodes, and finally the whole network updating of the data is realized.
Preferably, the accuracy of the initiating authority and the format of the fund change request is verified, all decision nodes verify the fund change request by adopting a consensus mechanism, if the decision nodes exceeding 2/3 consider the fund change request as a legal request, the verification is successful, and the update confirmation request information is sent to the decision nodes initiated by the fund affiliate data storage server.
Referring to fig. 2, further, prior to step S101, the transaction server receives a redemption deduction request issued by the target user, the redemption deduction request including a deduction principal qualification, a target fund account, and a target deduction share; the transaction server judges whether the deduction subject qualification meets the preset subject qualification; when the deduction principal qualification meets the preset principal qualification, the transaction server acquires the historical available fund share of the target fund account from the blockchain network; judging whether the historical available fund share is not less than the target deduction share or not, and when the historical available fund share is not less than the target deduction share, splitting the historical available fund share into the target deduction share and an updated balance, wherein the target deduction share and the updated balance jointly form the historical available fund share; the method comprises the steps of identifying and splitting the redeemed fund share in advance through a transaction server, transmitting the split data to a blockchain network, judging whether the split update balance needs to be updated in the blockchain network, identifying and updating data through the blockchain network, realizing the free splitting and data updating of the closed fund during the closed period, solving the problem that the fund cannot be redeemed and transferred during the closed period, and effectively improving the liquidity of the private fund.
In the invention, whether the deduction subject qualification meets the preset subject qualification can be judged by identification modes such as biological identification, password identification and the like.
Further, the transaction server obtains historical available fund shares for the target fund account from the fund brokerage data storage server. It will be appreciated that in the present invention, the transaction server obtains historical available fund shares for the target fund account from the data nodes of the fund affiliate data storage server.
Further, when the historical available fund share is smaller than the target deduction share, prompt information is sent to the target user. It will be appreciated that the prompt may be a voice announcement.
Further, the supervising authority data storage server is also used for acquiring the transaction records and displaying the transaction records. In the invention, the supervising mechanism data storage server is arranged, the data of the supervising mechanism data storage server, the data of the fund affiliate data storage server and the data of the fund company data storage server are mutually communicated, and the fund change request is approved by the fund affiliate data storage server, the fund company data storage server and the supervising mechanism data storage server and then carries out data updating, thereby simplifying the transaction flow, improving the transaction efficiency, and improving the transparency and the reliability of the transaction data.
According to the private fund raising method based on the block chain, the block chain network among the fund affiliate company data storage server, the fund company data storage server and the monitoring organization data storage server is established, distributed communication among the fund affiliate company data storage server, the fund company data storage server and the monitoring organization data storage server is achieved under the support of a block chain distributed tool, the fund affiliate company data storage server and the fund company data storage server can update data in the block chain, and all updating operations can be audited by the monitoring organization data storage server, so that the transparency of the data is improved, the monitorability of the private fund raising data is improved, and the validity of data updating is further ensured; data updating records of the block chain-based private fund change method are kept in the block chain and cannot be deleted, so that the data traceability is ensured; because the fund affiliation company data storage server, the fund company data storage server and the supervising mechanism data storage server are in distributed communication, the situations that the data of the existing fund affiliation company data storage server and the fund company data storage server are not communicated, the transaction flow is too long, the transaction flow is complex, and the data delay and the data are inconsistent are avoided; the technical problem that the existing closed private fund is difficult to transfer in the closed period is solved.
The invention provides a preferable block chain-based private fund change method, which comprises the following steps:
establishing a block chain network among a fund affiliate company data storage server, a fund company data storage server and a supervisory organization data storage server;
the transaction server sends a fund change request to a fund affiliate data storage server, wherein the fund change request comprises a target fund account and an updated balance;
a decision node of a fund affiliation company data storage server receives a fund change request sent by a transaction server;
the method comprises the steps that a decision node initiated by a fund factoring company data storage server broadcasts an updating request to all decision nodes in a blockchain network;
verifying the accuracy of the initiating authority and the format of the fund change request, verifying the fund change request by all decision nodes by adopting a consensus mechanism, if the decision nodes exceeding 2/3 consider the fund change request as a legal request, successfully verifying, and sending update confirmation request information to the decision nodes initiated by the fund affiliate data storage server;
the data nodes of the fund affiliation company data storage server update data according to the fund change request, and broadcast the data through decision nodes initiated by the fund affiliation company data storage server;
and the decision node of the fund company data storage server and the decision node of the supervision organization data storage server synchronously update fund data in the data nodes connected with the fund company data storage server and store the fund data as historical available fund shares.
According to the block chain-based private fund raising method, under the support of a block chain distributed tool, distributed communication of a fund commission company data storage server, a fund company data storage server and a supervision agency data storage server is realized, the fund commission company data storage server and the fund company data storage server can update data in a block chain, and all updating operations can be audited by the supervision agency data storage server, so that the transparency of the data is improved, the supervision of private fund raising data is improved, and the validity of data updating is further ensured; data updating records of the block chain-based private fund change method are kept undeletable in the block chain, and meanwhile, the traceability of data is guaranteed; because the fund affiliation company data storage server, the fund company data storage server and the supervising mechanism data storage server are in distributed communication, the situations that the data of the existing fund affiliation company data storage server and the fund company data storage server are not communicated, the transaction flow is too long, the transaction flow is complex, and the data delay and the data are inconsistent are avoided; the technical problem that the existing closed private fund is difficult to transfer in the closed period is solved.
Referring to fig. 3, the present invention further provides a block chain-based private fund raising system, including a fund affiliation company data storage server (fund affiliation block), a fund company data storage server (fund block), a monitoring organization data storage server (monitoring block), and a transaction server, wherein a block chain network is established among the fund affiliation company data storage server, the fund company data storage server, and the monitoring organization data storage server, the block chain network is composed of a plurality of decision nodes and a plurality of data nodes, the decision nodes are connected to one another, each decision node is connected to at least one corresponding data node, and the fund affiliation company data storage server, the fund company data storage server, and the monitoring organization data storage server each include at least one decision node; the transaction server is used for acquiring data in data nodes in the blockchain network, and is also used for sending fund change requests to decision nodes of the blockchain.
The present invention also provides a computer-readable storage medium storing a computer program that causes a computer to execute a block chain-based private fund changing method described above.
The above is only an embodiment of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. 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 (6)
1. A block chain-based private fund raising method is characterized by comprising the following steps:
establishing a blockchain network among a fund affiliate company data storage server, a fund company data storage server and a supervisory organization data storage server, wherein the blockchain network consists of a plurality of decision nodes and a plurality of data nodes, the decision nodes are mutually communicated, each decision node is connected with at least one corresponding data node, and the fund affiliate company data storage server, the fund company data storage server and the supervisory organization data storage server respectively comprise at least one decision node;
the decision node of the fund affiliation company data storage server receives a fund change request sent by a transaction server;
the decision node of the fund brokerage data storage server broadcasting the fund change request to the blockchain network;
the fund change request is verified by the decision node of the fund affiliate data storage server, the decision node of the fund company data storage server and the decision node of the regulatory agency data storage server;
if the verification is successful, the decision node of the fund affiliate data storage server, the decision node of the fund company data storage server and the decision node of the supervision agency data storage server synchronously update fund data in the data nodes connected with the fund affiliate data storage server;
if the verification is successful, the step of synchronously updating the fund data in the data nodes connected with the fund affiliate data storage server by the decision node of the fund affiliate data storage server, the decision node of the fund corporate data storage server and the decision node of the supervision agency data storage server specifically comprises the following steps:
if the verification is successful, sending update confirmation request information to the decision node of the fund affiliate data storage server; the data node of the fund affiliation company data storage server updates data according to the fund change request and broadcasts through the decision node of the fund affiliation company data storage server;
the decision node of the fund company data storage server and the decision node of the supervision organization data storage server synchronously update fund data in the data nodes connected with the decision nodes and store the fund data as historical available fund shares;
if the verification is successful, sending update confirmation request information to the decision node of the fund affiliate data storage server specifically comprises the following steps:
verifying the accuracy of the initiation authority and the format of the fund change request, verifying the fund change request by all the decision nodes by adopting a consensus mechanism, if the fund change request is considered to be a legal request by the decision nodes exceeding 2/3, successfully verifying, and sending update confirmation request information to the decision nodes of the fund affiliate data storage server;
before the decision node of the fund affiliation company data storage server receives the fund change request sent by the transaction server, the method comprises the following steps:
receiving, by the transaction server, a redemption deduction request issued by the target user, the redemption deduction request including a deduction principal eligibility, a target fund account, and a target deduction share;
the transaction server judges whether the deduction main qualification meets a preset main qualification or not;
when the deduction subject qualification meets a preset subject qualification, the transaction server acquires the historical available fund share of the target fund account from the blockchain network;
determining whether the historical available fund share is not less than the target deduction share,
when the historical available fund share is not less than the target deduction share, splitting the historical available fund share into a target deduction share and an updated balance, wherein the target deduction share and the updated balance jointly form the historical available fund share;
sending the updated balance to the decision node of the fund affiliate data storage server, wherein the fund change request includes the target fund account and the updated balance.
2. The blockchain-based private fund changing method according to claim 1,
the transaction server obtains historical available fund shares for the target fund account from the fund affiliate data storage server.
3. The blockchain-based private fund changing method according to claim 1,
and sending prompt information to the target user when the historical available fund share is smaller than the target deduction share.
4. The blockchain-based private fund changing method according to claim 1,
the supervising authority data storage server is also used for acquiring transaction records and displaying the transaction records.
5. A blockchain-based privacy fund altering system, comprising:
a fund affiliate company data storage server, a fund company data storage server, a regulatory agency data storage server and a transaction server,
a block chain network is established among the fund affiliate company data storage server, the fund company data storage server and the supervision organization data storage server, the block chain network consists of a plurality of decision nodes and a plurality of data nodes, the decision nodes are mutually communicated, each decision node is connected with at least one corresponding data node, and the fund affiliate company data storage server, the fund company data storage server and the supervision organization data storage server respectively comprise at least one decision node;
the transaction server is used for sending fund change requests to the decision nodes of the fund affiliate company data storage server; the decision node of the fund brokerage data storage server is further to broadcast the fund change request to the blockchain network;
the decision node of the fund affiliate company data storage server, the decision node of the fund company data storage server and the decision node of the regulatory agency data storage server are further used for verifying the fund change request; if the verification is successful, the decision node of the fund affiliate company data storage server, the decision node of the fund company data storage server and the decision node of the supervision agency data storage server synchronously update fund data in the data nodes connected with the fund affiliate company data storage server;
if the verification is successful, the step of synchronously updating the fund data in the data nodes connected with the fund affiliate data storage server by the decision node of the fund affiliate data storage server, the decision node of the fund corporate data storage server and the decision node of the supervision agency data storage server specifically comprises the following steps:
if the verification is successful, sending update confirmation request information to the decision node of the fund affiliate data storage server; the data node of the fund affiliation company data storage server updates data according to the fund change request and broadcasts through the decision node of the fund affiliation company data storage server;
the decision node of the fund company data storage server and the decision node of the supervision organization data storage server synchronously update fund data in the data nodes connected with the decision nodes and store the fund data as historical available fund shares;
if the verification is successful, sending update confirmation request information to the decision node of the fund affiliate data storage server specifically comprises the following steps:
verifying the accuracy of the initiation authority and the format of the fund change request, verifying the fund change request by all the decision nodes by adopting a consensus mechanism, if the fund change request is considered to be a legal request by the decision nodes exceeding 2/3, successfully verifying, and sending update confirmation request information to the decision nodes of the fund affiliate data storage server;
before the decision node of the fund affiliation company data storage server receives the fund change request sent by the transaction server, the method comprises the following steps:
receiving, by the transaction server, a redemption deduction request issued by the target user, the redemption deduction request including a deduction principal eligibility, a target fund account, and a target deduction share;
the transaction server judges whether the deduction subject qualification meets a preset subject qualification;
when the deduction subject qualification meets a preset subject qualification, the transaction server acquires the historical available fund share of the target fund account from the blockchain network;
determining whether the historical available fund share is not less than the target deduction share,
when the historical available fund share is not less than the target deduction share, splitting the historical available fund share into a target deduction share and an updated balance, wherein the target deduction share and the updated balance jointly form the historical available fund share;
sending the updated balance to the decision node of the fund affiliate data storage server, wherein the fund change request includes the target fund account and the updated balance.
6. A computer-readable storage medium storing a computer program for causing a computer to execute the method of change of block chain-based privacy fund according to any one of claims 1 to 4.
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