CN111612453A - Decentralized transaction method and device based on block chain and electronic equipment - Google Patents
Decentralized transaction method and device based on block chain and electronic equipment Download PDFInfo
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Abstract
The application relates to the technical field of block chains, and discloses a block chain-based decentralized transaction method, a device and electronic equipment, wherein the block chain-based decentralized transaction method is applied to a block chain server and comprises the following steps: when a transaction request initiated by any first account in the block chain based on an intelligent contract is detected, the transaction request is sent to a down-link server of the block chain, so that the down-link server matches; and then receiving a matching result returned by the down-link server aiming at the transaction request, and performing on-link transaction through an intelligent contract according to the matching result. According to the method, the asset hosting, the asset clearing and the like are all executed on the block chain, so that the safety of the digital assets of the user is ensured, each transaction is recorded on the block chain and displayed to all users, the whole transaction process is public and transparent, the privacy of the user cannot be excessively leaked, and the transaction is carried out on the premise that the user information is ensured.
Description
Technical Field
The application relates to the technical field of block chains, in particular to a decentralized transaction method and device based on a block chain and electronic equipment.
Background
The current mainstream trading platform is centralized, and the centralized trading platform covers the whole trading process of opening an account, recharging, automatically transferring accounts, trading and cashing, that is, the trading platform becomes the trustee of the digital assets of the user from the moment when the user inputs digital money into the address of the trading platform, and the control right of the digital assets is mastered.
With the increase of the number of digital asset transactions, the centralized transaction platform is more and more limited. Because all digital assets are hosted in the trading platform, when the trading platform is attacked from outside, user data assets are often not guaranteed, a large number of human safety accidents cause great economic loss to users, and part of small trading platforms even invade and steal the digital assets of the users.
Based on the method, a decentralized trading platform based on a block chain is used for trading instead of a mainstream centralized trading platform. When the decentralized trading platform based on the block chain carries out trading, assets are stored in an intelligent contract of the block chain, so that the situation that economic losses are caused to users due to artificial safety accidents is not easy to occur. However, the inventors of the present application found in the concrete implementation: when the existing decentralized trading platform based on the blockchain carries out trading, not only the matching system is difficult to realize through consensus due to network delay, but also the liquidity is poor, high trading cost is generated, and the decentralized trading platform is not competitive, so that a new decentralized trading platform based on the blockchain is urgently needed.
Disclosure of Invention
The purpose of the present application is to solve at least one of the above technical drawbacks, and to provide the following solutions:
in a first aspect, a block chain based decentralized transaction method is provided, which is applied to a block chain server, and includes:
when a transaction request initiated by any first account in the block chain based on an intelligent contract is detected, the transaction request is sent to a down-link server of the block chain, so that the down-link server matches;
and receiving a matching result returned by the down-link server when the matching of the transaction request is successful, and performing on-link transaction through the intelligent contract according to the matching result.
Specifically, the transaction request includes a preset number of digital assets to be traded, target trading digital assets, and transaction prices between the digital assets to be traded and the target trading digital assets;
the matching result is obtained by matching the preset number of the digital assets to be traded with the target trading digital assets through the link server based on a preset matching algorithm according to the trading price.
Further, the matching result comprises account information of both trading parties and the number of target trading digital assets corresponding to the preset number of digital assets to be traded;
according to the matching result, performing on-chain transaction through an intelligent contract, comprising the following steps:
and distributing the target trading digital assets with corresponding quantity to a first account through the intelligent contract, and distributing the preset quantity of the to-be-traded digital assets to a trading party account which trades with the first account.
Further, before allocating a corresponding amount of the target trading digital assets to the first account through the smart contract and allocating a preset amount of the to-be-traded digital assets to the trading party account traded with the first account, the method further comprises:
deducting a first predetermined proportion of the target trading digital assets from a corresponding number of the target trading digital assets, and deducting a second predetermined proportion of the to-be-traded digital assets from a preset number of the to-be-traded digital assets;
and distributing the target trading digital assets with the first preset proportion and the to-be-traded digital assets with the second preset proportion to the blockchain account of the down-chain trading exchange through the intelligent contract.
Further, the blockchain includes any one of:
an EOS blockchain; an Ethenhouse block chain; a super-ledger block chain.
In a second aspect, there is provided a blockchain-based decentralized transaction device applied to a blockchain server, including:
the sending module is used for sending the transaction request to a down-link server of the block chain when detecting the transaction request initiated by any first account in the block chain based on the intelligent contract, so that the down-link server matches the transaction request;
and the processing module is used for receiving a matching result returned by the down-link server when the matching of the transaction request is successful, and performing on-link transaction through an intelligent contract according to the matching result.
Specifically, the transaction request includes a preset number of digital assets to be traded, target trading digital assets, and transaction prices between the digital assets to be traded and the target trading digital assets;
the matching result is obtained by matching the preset number of the digital assets to be traded with the target trading digital assets through the link server based on a preset matching algorithm according to the trading price.
Further, the matching result comprises account information of both trading parties and the number of target trading digital assets corresponding to the preset number of digital assets to be traded;
the processing module is specifically used for distributing the target trading digital assets with corresponding quantity to the first account through the intelligent contract and distributing the preset quantity of the to-be-traded digital assets to the trading party account which trades with the first account.
Furthermore, the device also comprises an extraction module and a distribution module;
the extraction module is used for deducting the target trading digital assets with a first preset proportion from the target trading digital assets with corresponding quantity and deducting the to-be-traded digital assets with a second preset proportion from the to-be-traded digital assets with preset quantity;
and the distribution module is used for distributing the target trading digital assets with the first preset proportion and the to-be-traded digital assets with the second preset proportion to the blockchain account of the down-chain trading exchange through the intelligent contract.
Further, the blockchain includes any one of:
an EOS blockchain; an Ethenhouse block chain; a super-ledger block chain.
In a third aspect, an electronic device is provided, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and when the processor executes the computer program, the electronic device implements the above-mentioned block chain-based decentralized transaction method.
In a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor, implements the above-mentioned block chain-based decentralized transaction method.
According to the decentralized transaction method based on the block chain, the transaction request initiated by any first account in the block chain based on the intelligent contract is sent to the down-link server of the block chain, so that matching is performed through the down-link server, network delay is almost avoided for matching, good service experience can be still provided for users when massive concurrent real-time transactions are faced, sufficient transaction depth is brought due to the huge user amount and transaction amount of the down-link server, and sufficient liquidity is provided; the intelligent contract is used for performing on-chain transaction according to the matching result, so that the transaction of all digital assets of the user is realized through the intelligent contract, the asset hosting, the asset clearing and the like are all executed on the block chain, the safety of the digital assets of the user is ensured, each transaction is recorded on the block chain and displayed to all users, the disclosure and transparency of the whole transaction process are realized, the privacy of the user is not excessively leaked, and the transaction is performed on the premise of ensuring the user information.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of a block chain based decentralized transaction method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a block chain decentralized transaction according to an embodiment of the present application;
fig. 3 is a schematic diagram illustrating a basic structure of a block chain based decentralized transaction device according to an embodiment of the present application;
fig. 4 is a detailed structural diagram of a block chain based decentralized transaction device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Example one
The embodiment of the present application provides a decentralized transaction method based on a blockchain, which is applied to a blockchain server, as shown in fig. 1, and includes:
step S110, when a transaction request initiated by any first account in the block chain based on the intelligent contract is detected, the transaction request is sent to a down-link server of the block chain, so that the down-link server matches.
Specifically, any user needs to register a corresponding transaction account (such as the first account mentioned above) in the blockchain in advance before initiating a transaction, and at the same time, a certain amount of digital assets (e.g., a coins) are stored in the transaction account, which is similar to the conventional recharging, that is, a certain amount of a coins, e.g., 100 a coins, are charged into the transaction account for the subsequent transaction of the digital assets.
Further, after the user registers the corresponding transaction account, if the user wants to exchange a preset number of coins a (e.g. 10 coins a) for coins B at this time, the user initiates a transaction request on the blockchain based on the smart contract through the transaction account (such as the first account) registered in the blockchain by the user. The block chain server detects a transaction request initiated by any first account in the block chain based on an intelligent contract in real time, and when the transaction request is detected, the transaction request is sent to the down-link server of the block chain so as to match the transaction request through the down-link server.
Correspondingly, the down-link server receives the transaction request sent by the blockchain server, matches the transaction request according to the transaction request, and sends a matching result of the matching to the blockchain server. The step of matching the transaction request by the down-link server is as follows: and the under-chain trading platform corresponding to the under-chain server is used as a third party, and the trading requirements of the owner of the digital asset to be traded are matched with the trading requirements of the owner of the target trading asset.
Note that the Token a and the Token B are any tokens (tokens) that can be traded in a block chain, and examples thereof include an ethernet Token, a bittoken, an EOS Token, a Dice Token, a BTC Token, a TPT Token, and a Joy Token.
And step S120, receiving a matching result returned by the down-link server when the matching of the transaction request is successful, and performing on-link transaction through the intelligent contract according to the matching result.
Specifically, the blockchain server receives a matching result returned by the down-chain server when the matching of the transaction request is successful, and after receiving the matching result, the on-chain transaction is carried out through an intelligent match according to the matching result.
Compared with the prior art, the decentralized transaction method based on the block chain has the advantages that the transaction request initiated by any first account in the block chain based on the intelligent contract is sent to the down-link server of the block chain, so that matching is performed through the down-link server, network delay is almost avoided, good service experience can be still provided for users when massive concurrent real-time transactions are faced, sufficient transaction depth is brought due to the huge user amount and transaction amount of the down-link server, and sufficient liquidity is provided; the intelligent contract is used for performing on-chain transaction according to the matching result, so that the transaction of all digital assets of the user is realized through the intelligent contract, the asset hosting, the asset clearing and the like are all executed on the block chain, the safety of the digital assets of the user is ensured, each transaction is recorded on the block chain and displayed to all users, the disclosure and transparency of the whole transaction process are realized, the privacy of the user is not excessively leaked, and the transaction is performed on the premise of ensuring the user information.
The embodiment of the application provides another possible implementation manner, wherein the transaction request comprises a preset number of digital assets to be traded, target transaction digital assets and transaction prices between the digital assets to be traded and the target transaction digital assets; the matching result is obtained by matching the preset number of the digital assets to be traded with the target trading digital assets through the link server based on a preset matching algorithm according to the trading price.
Meanwhile, the matching result comprises account information of both transaction parties and the number of the target transaction digital assets corresponding to the preset number of the to-be-transacted digital assets;
according to the matching result, performing on-chain transaction through an intelligent contract, comprising the following steps:
and distributing the target trading digital assets with corresponding quantity to a first account through the intelligent contract, and distributing the preset quantity of the to-be-traded digital assets to a trading party account which trades with the first account.
The following describes details of the related contents related to the present embodiment:
specifically, the transaction request carries a preset number of digital assets to be traded (e.g., 10 coins a), target trading digital assets (e.g., coins B), and transaction prices between the digital assets to be traded and the target trading digital assets, for example, 1 transaction price of a corresponds to 10 coins B.
After receiving a transaction request sent by a blockchain, the server under the chain matches a preset number of digital assets to be traded (for example, 10 coins A) in the transaction request with a target trading digital asset (B coin) according to a trading price (for example, a trading price of 10 coins B corresponding to 1 coin A) carried in the transaction request based on a preset matching algorithm, so as to obtain a corresponding matching result. The predetermined matching algorithm is a matching algorithm available in the prior art and will not be described herein.
Specifically, in the process that the chain server matches a preset number of digital assets to be traded with a target trading digital asset based on a preset matching algorithm and according to a trading price, if the trading request is a purchase request, sequentially searching whether a trading order meeting the trading price exists at the head of a selling queue of the target trading digital asset; and when the order exists, matching the trading order with the order corresponding to the trading request, and when the order does not exist, queuing the order corresponding to the trading request into a buy queue based on a preset arrangement rule.
Specifically, in the process that the chain server matches a preset number of digital assets to be traded with a target trading digital asset based on a preset matching algorithm and according to a trading price, if the trading request is a selling request, sequentially searching whether a trading order meeting the trading price exists at the head of a buying queue of the digital assets to be traded; and when the order exists, matching the trading order with the order corresponding to the trading request, and when the order does not exist, queuing the order corresponding to the trading request into a sell-out queue based on a preset arrangement rule.
The following describes the process of matching the linked servers in detail:
the important component of the down-link trading platform for matching is a buy order and a sell order, and the buy order and the sell order are matched to finally form a trading record, wherein the buy order and the sell order can be collectively called as a trade order. For the trade orders which cannot be matched immediately, the trade orders can be stored through the buy queue or the sell queue, namely the trade orders which cannot be matched are stored in the corresponding queue. The method comprises the steps that a buying order is stored in a buying queue, namely the buying order which is not matched is stored in the buying queue based on a preset arrangement rule, and a selling order is stored in a selling queue, namely the selling order which is not matched is stored in the selling queue based on the preset arrangement rule.
The predetermined arrangement rule may be an arrangement rule of "price first and time under the same price first". Correspondingly, for the purchase queue, arranging the unfinished matched purchase orders according to the sequence of the transaction prices from high to low, and if the transaction prices are the same, arranging the unfinished matched purchase orders according to the sequence of the transaction time from early to late; for the sell queue, the unfinished matched sell orders are arranged according to the sequence of the trade prices from low to high, and if the trade prices are the same, the unfinished matched sell orders are arranged according to the sequence of the trade time from early to late.
It should be noted that the predetermined arrangement rule may also be other feasible arrangement rules in the prior art, and the embodiment of the present application does not limit this. The purchase request corresponds to a purchase order, and the sell request corresponds to a sell order.
Specifically, when the trading request received by the link server is a buy request (corresponding to a buy order), the link server receives the buy request, and then finds whether a sell order meeting the trading price carried in the trading request exists at the head of a sell queue of the target trading digital asset; and if the sold orders meeting the trading prices carried in the trading requests exist in the sold queue, matching the sold orders with the buy orders of the trading requests, and if the sold orders meeting the trading prices carried in the trading requests do not exist in the sold queue, arranging the buy orders corresponding to the trading requests into the buy queue based on the preset arrangement rule.
If the sold order with the sold price less than or equal to the trading price exists in the sold queue, the sold order meeting the trading price carried in the trading request exists in the sold queue. If the selling queue is empty or the selling price in the selling queue is larger than the trading price, the selling order which is in accordance with the trading price carried in the trading request does not exist in the selling queue. In addition, when the purchase orders corresponding to the transaction requests are arranged in the purchase queue, the purchase queue is sorted according to the price and the time, so the purchase orders which are not matched are arranged in the corresponding positions of the purchase queue after being sorted once.
Specifically, when the trading request received by the link server is a sell request (corresponding to a sell order), and when the link server receives the sell request, the link server will go to the head of a buy queue of the digital asset to be traded, and sequentially search whether a buy order meeting the trading price carried in the trading request exists; and if the buy orders meeting the trading price carried in the trading request exist in the buy queue, matching the buy orders with the sell orders of the trading request, and if the buy orders meeting the trading price carried in the trading request do not exist in the buy queue, arranging the sell orders corresponding to the trading request into the sell queue based on the preset arrangement rule.
If the purchase order with the purchase price larger than or equal to the transaction price exists in the purchase queue, the purchase order meeting the transaction price carried in the transaction request exists in the purchase queue. If the buy queue is empty or the buy price in the buy queue is less than the transaction price, it indicates that no buy order exists in the buy queue that matches the transaction price carried in the transaction request. In addition, when the sell orders corresponding to the transaction requests are queued in the sell queue, the sell queue is sorted according to price and time, so that the unfinished sell orders are queued in the corresponding positions of the sell queue after being sorted once.
The above transaction process is described in detail below by way of specific examples:
if the account of the User01 in the blockchain is P01, if the User01 initiates a purchase request for purchasing B coins with 10 a coins through an account P01 in the blockchain based on an intelligent contract, and the purchase price of the purchase request is 1 a coin and 10B coins are purchased, that is, the preset number of digital assets to be traded is 10 a coins, the trade price is 1 a coin and 10B coins are purchased, the target trading digital asset is B coin, that is, 100B coins are to be purchased using 10 a coins, the link-down server of the link-down trading platform matches the purchase request after receiving the purchase request, that is, searches whether a trade order meeting the above trade price exists in a sell queue of B coin.
Before the blockchain server sends the transaction request to the down-link server, the user to which any one of the first accounts (e.g., P01) belongs needs to register the corresponding down-link account, i.e., register one down-link account (e.g., L01) corresponding to the first account, through the down-link transaction platform corresponding to the down-link server in advance, so that the down-link server can match according to the down-link account. The down-link account and the on-link account can be the same or different, and a unique corresponding relation exists between the down-link account and the on-link account, namely the down-link account can be found according to the on-link account, and the on-link account can also be found according to the down-link account.
In one case, a sell order for buying 1 coin a by selling 10 coins B exists in the sell queue of coin B, and 10 coins a are to be bought by selling 100 coins B, and the User02 corresponding to the sell order has an account under the chain registered in the under-chain trading platform as L02, an account registered in the blockchain as P02, and L02 corresponds to P02 one by one. At the moment, the down-link trading platform matches the two trading parties, if the User01 agrees with the User02 and is willing to trade, the down-link trading platform matches the User01 with the User02 successfully, and a matching result when the matching is successful is sent to the blockchain server. The matching result includes account information of both trading parties (e.g., the aforementioned L01 and L02) and the number of target trading digital assets (e.g., the aforementioned 100) corresponding to the preset number of digital assets to be traded.
And the block chain server receives the matching result sent by the server under the chain when the matching is successful, and performs on-chain transaction through the intelligent contract according to the received matching result. According to the received matching result, a process of performing on-chain transaction through an intelligent contract specifically comprises the following steps: the smart contract assigns a corresponding amount of the target trading digital asset (e.g., 100B coins) from User 02's blockchain account P02 to User 01's account P01 in the blockchain; at the same time, a preset number of digital assets to be traded (e.g., 10 coins of a) are distributed from blockchain account P01 of User01 to account P02 in the blockchain of the trading party trading with User01, i.e., User02 trading with User 01. The blockchain account P01 is obtained according to the link-down account L01, and the blockchain account P02 is obtained according to the link-down account L02.
In another case, a sell order for buying 1 coin a by selling 10.1 coins B exists in the sell queue of coin B, and 10 coins a are to be bought by selling 101 coins B, and the User02 corresponding to the sell order has an account under the chain registered in the under-chain trading platform as L02, an account registered in the blockchain as P02, and L02 corresponds to P02 one by one. It can be seen that at this time, the selling price of User02 is less than the buying price of User01, so the trade platform under the chain matches User01 with User02, but User01 and User02 are not willing to trade because they do not agree. At this time, the offline trading platform arranges the buy orders of the User01 into the buy queue and simultaneously rearranges the sell orders of the User02 into the sell queue based on the predetermined arrangement rule, so that matching can be performed again when appropriate buy orders or sell orders are found subsequently.
In still another case, there is no sell order in the sell queue for coin B to purchase 1 coin a by selling greater than or equal to 10 coins B or no sell order to purchase coin a by selling coin B. At this time, the offline trading platform arranges the buy orders of the User01 into the buy queue based on the arrangement rule, so that matching can be performed again when suitable sell orders are found subsequently.
It should be noted that the above description is made of the matching process of the server under the chain by taking the example that the User01 initiates a purchase request through an intelligent contract in the blockchain based on the blockchain account P01. For the process that the user initiates the selling request through the intelligent contract in the blockchain, the process is similar to the process of the initiated buying request, and only the corresponding buying process is correspondingly converted into the selling process, which is not described herein again.
It should be noted that the blockchain may be an EOS blockchain, an ethernet blockchain, a super account blockchain, or other blockchains in the prior art, which is not limited in the embodiment of the present application.
In addition, in order to ensure timeliness of the transaction, the digital asset to be traded and the target trading digital asset can be defined as digital assets supported in the same block chain. Taking the EOS block chain as an example, if the tokens supported by the EOS block chain include EOS token, Dice token, BTC token, TPT token, and Joy token, etc., token a may be defined as any token of EOS token, Dice token, BTC token, TPT token, and Joy token, such as token a is EOS token, and token B may be defined as any token other than token a (e.g., EOS token), such as token B is any token of Dice token, BTC token, TPT token, and Joy token. In this case, coin A and coin B are tokens supported in the same blockchain and can be traded with each other. For each token in any other blockchain, it may also be limited to only transact with tokens supported in the same blockchain, similar to the EOS blockchain described above, and thus, the description thereof is omitted.
The embodiment of the present application provides another possible implementation manner, where before allocating, by an intelligent contract, a corresponding number of target transaction digital assets to a first account and allocating a preset number of digital assets to be transacted to a transaction party account transacting with the first account, the method further includes:
deducting a first predetermined proportion of the target trading digital assets from a corresponding number of the target trading digital assets, and deducting a second predetermined proportion of the to-be-traded digital assets from a preset number of the to-be-traded digital assets; and distributing the target trading digital assets with the first preset proportion and the to-be-traded digital assets with the second preset proportion to the blockchain account of the down-chain server through the intelligent contract.
Specifically, after matching the transaction request successfully, the offline transaction platform corresponding to the offline server usually charges a certain proportion of service fee, for example, the service fee is extracted as a proportion of the fee such as 0.05%, 0.1% and 0.2% of the transaction amount. Therefore, before allocating a corresponding amount of target trading digital assets to the first account through the smart contract and allocating a preset amount of to-be-traded digital assets to the trading party account which trades with the first account, the blockchain server deducts a first preset proportion of target trading digital assets from the corresponding amount of target trading digital assets and deducts a second preset proportion of to-be-traded digital assets from the preset amount of to-be-traded digital assets. And then, distributing the target trading digital assets with the first preset proportion and the digital assets to be traded with the second preset proportion to block chain accounts which are arranged in a block chain in advance on a chain lower trading platform corresponding to a chain lower server through an intelligent contract, namely distributing the target trading digital assets with the first preset proportion and the digital assets to be traded with the second preset proportion to the block chain accounts which are arranged in the block chain by the chain lower trading platform as service fees of the chain lower trading platform.
In fig. 2, a blockchain account P01 initiates a purchase request, where the purchase request is to purchase 100B coins by using 10 a coins, that is, the preset number of digital assets to be traded is 10 a coins, the trading price is 1 a coin and 10B coins are purchased, the target trading digital asset is B coin, and the blockchain server sends the purchase request to the down-chain server, so that the down-chain server matches the purchase requests. And the blockchain account P02 initiates a buy request, wherein the buy request is to sell 100B coins and buy 10A coins, namely the preset number of digital assets to be traded is 100B coins, the trading price is 10B coins exchanged for 1A coin, the target trading digital asset is A coin, and the blockchain server sends the sell request to the down-chain server so that the down-chain server matches the target trading digital asset. When the link server successfully matches the blockchain account P01 with the blockchain account P02, the matching result is sent to the blockchain server, and at the moment, the blockchain server deducts a certain proportion of service fees of the link server according to the matching result, namely 0.1A currency and 1B currency in the graph 2, and allocates the 0.1A currency and 1B currency to the blockchain account of the link server. While 99 coins B from blockchain account P02 are assigned to blockchain account P01 and 10 coins a from blockchain account P01 are assigned to blockchain account P02.
It should be noted that if the blockchain account P01 and/or the blockchain account P02 were invited to join by another user, a certain percentage of the charges may be extracted from the blockchain account as an invitation reward to be distributed to the blockchain account of the inviting user.
Example two
Fig. 3 is a schematic diagram of a basic structure of a block chain-based decentralized transaction apparatus according to an embodiment of the present application, and as shown in fig. 3, the apparatus 30 may include a sending module 31 and a processing module 32, where:
the sending module 31 is configured to send a transaction request to a down-link server of the blockchain when detecting that a transaction request initiated by any first account in the blockchain is based on an intelligent contract, so that the down-link server matches the transaction request;
the processing module 32 is configured to receive a matching result returned by the down-link server for the transaction request, and perform on-link transaction through the intelligent contract according to the matching result.
Compared with the prior art, the device provided by the embodiment of the application has the advantages that the transaction request initiated by any first account in the block chain based on the intelligent contract is sent to the down-link server of the block chain, so that matching is performed through the down-link server, network delay is almost avoided in matching, good service experience can be still provided for users when massive concurrent real-time transactions are faced, sufficient transaction depth is brought due to the huge user amount and transaction amount of the down-link server, and sufficient mobility is provided; the intelligent contract is used for performing on-chain transaction according to the matching result, so that the transaction of all digital assets of the user is realized through the intelligent contract, the asset hosting, the asset clearing and the like are all executed on the block chain, the safety of the digital assets of the user is ensured, each transaction is recorded on the block chain and displayed to all users, the disclosure and transparency of the whole transaction process are realized, the privacy of the user is not excessively leaked, and the transaction is performed on the premise of ensuring the user information.
Specifically, fig. 4 is a detailed structural diagram of a block chain based decentralized transaction apparatus according to another embodiment of the present application, where the apparatus 40 may include a sending module 41, a processing module 42, an extracting module 43, and an allocating module 44. The function implemented by the sending module 41 in fig. 4 is the same as that of the sending module 31 in fig. 3, and the function implemented by the processing module 42 in fig. 4 is the same as that of the processing module 32 in fig. 4, which is not described herein again. The block chain based decentralized transaction arrangement shown in fig. 4 is described in detail below:
the transaction request in the device comprises preset quantity of digital assets to be traded, target trading digital assets and transaction prices between the digital assets to be traded and the target trading digital assets;
the matching result is obtained by matching the preset number of the digital assets to be traded with the target trading digital assets through the link server based on a preset matching algorithm according to the trading price.
Specifically, the matching result comprises account information of both trading parties and the number of target trading digital assets corresponding to the preset number of digital assets to be traded;
the processing module is specifically used for distributing the target trading digital assets with corresponding quantity to the first account through the intelligent contract and distributing the preset quantity of the to-be-traded digital assets to the trading party account which trades with the first account.
Further, the apparatus further comprises an extraction module 43 and an assignment module 44, as shown in fig. 4, wherein:
the extracting module 43 is configured to deduct a first predetermined proportion of the target trading digital assets from a corresponding number of the target trading digital assets, and deduct a second predetermined proportion of the to-be-traded digital assets from a preset number of the to-be-traded digital assets;
the allocation module 44 is configured to allocate, via the smart contract, a first predetermined proportion of the target traded digital assets and a second predetermined proportion of the digital assets to be traded to the blockchain account of the down-chain exchange.
Further, the blockchain includes any one of:
an EOS blockchain; an Ethenhouse block chain; a super-ledger block chain.
It should be noted that the present embodiment is an apparatus embodiment corresponding to the first embodiment (i.e., the method embodiment), and the present embodiment can be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
EXAMPLE III
An embodiment of the present application provides an electronic device, as shown in fig. 5, an electronic device 500 shown in fig. 5 includes: a processor 501 and a memory 503. Wherein the processor 501 is coupled to the memory 503, such as via the bus 502. Further, the electronic device 500 may also include a transceiver 504. It should be noted that the transceiver 504 is not limited to one in practical applications, and the structure of the electronic device 500 is not limited to the embodiment of the present application.
The processor 501 is applied in the embodiment of the present application, and is configured to implement the functions of the sending module and the processing module shown in fig. 3 or 4, and to implement the functions of the extracting module and the allocating module shown in fig. 4.
The processor 501 may be a CPU, general purpose processor, DSP, ASIC, FPGA or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 501 may also be a combination of implementing computing functionality, e.g., comprising one or more microprocessors, a combination of DSPs and microprocessors, and the like.
The memory 503 may be, but is not limited to, a ROM or other type of static storage device that can store static information and instructions, a RAM or other type of dynamic storage device that can store information and instructions, an EEPROM, a CD-ROM or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
The memory 503 is used for storing application program codes for executing the scheme of the application, and the processor 501 controls the execution. The processor 501 is configured to execute application program codes stored in the memory 503 to implement the actions of the block chain based decentralized transaction apparatus provided in the embodiment shown in fig. 3 or fig. 4.
The electronic device provided by the embodiment of the application comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and when the processor executes the program, compared with the prior art, the electronic device can realize that: the method comprises the steps that a transaction request initiated by any first account in a block chain based on an intelligent contract is sent to a down-link server of the block chain, so that matching is carried out through the down-link server, network delay is almost avoided in matching, good service experience can be still provided for users when massive concurrent real-time transactions are faced, and sufficient transaction depth and sufficient liquidity are provided due to the huge user quantity and transaction quantity of the down-link server; the intelligent contract is used for performing on-chain transaction according to the matching result, so that the transaction of all digital assets of the user is realized through the intelligent contract, the asset hosting, the asset clearing and the like are all executed on the block chain, the safety of the digital assets of the user is ensured, each transaction is recorded on the block chain and displayed to all users, the disclosure and transparency of the whole transaction process are realized, the privacy of the user is not excessively leaked, and the transaction is performed on the premise of ensuring the user information.
The embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the method shown in the first embodiment. Compared with the prior art, the method has the advantages that the transaction request initiated by any first account in the block chain based on the intelligent contract is sent to the down-link server of the block chain, so that matching is carried out through the down-link server, network delay is almost avoided, good service experience can be still provided for users when massive concurrent real-time transactions are faced, sufficient transaction depth is brought due to the huge user amount and transaction amount of the down-link server, and sufficient liquidity is provided; the intelligent contract is used for performing on-chain transaction according to the matching result, so that the transaction of all digital assets of the user is realized through the intelligent contract, the asset hosting, the asset clearing and the like are all executed on the block chain, the safety of the digital assets of the user is ensured, each transaction is recorded on the block chain and displayed to all users, the disclosure and transparency of the whole transaction process are realized, the privacy of the user is not excessively leaked, and the transaction is performed on the premise of ensuring the user information.
The computer-readable storage medium provided by the embodiment of the application is suitable for any embodiment of the method. And will not be described in detail herein.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. A decentralized transaction method based on block chain is characterized in that the method is applied to a block chain server and comprises the following steps:
when a transaction request initiated by any first account in the block chain based on an intelligent contract is detected, the transaction request is sent to a down-link server of the block chain, so that the down-link server matches;
and receiving a matching result returned by the server under the chain aiming at the successful matching of the transaction request, and carrying out the on-chain transaction through the intelligent contract according to the matching result.
2. The method of claim 1, wherein the transaction request includes a preset number of digital assets to be traded, a target trading digital asset, and a trading price between the digital assets to be traded and the target trading digital asset;
and the matching result is obtained by matching the preset number of the digital assets to be traded with the target trading digital assets by the down-link server based on a preset matching algorithm according to the trading price.
3. The method according to claim 2, wherein the matching result comprises account information of both trading parties and the number of target trading digital assets corresponding to the preset number of digital assets to be traded;
the performing on-chain transaction through the intelligent contract according to the matching result comprises the following steps:
and distributing the target trading digital assets of the quantity to the first account through the intelligent contract, and distributing the preset quantity of the to-be-traded digital assets to a trading party account which trades with the first account.
4. The method of claim 3, further comprising, prior to allocating the corresponding quantity of target trading digital assets to the first account and the preset quantity of pending trading digital assets to a trading party account that trades with the first account via the smart contract:
deducting a first predetermined proportion of the target trading digital assets from the corresponding number of target trading digital assets, and deducting a second predetermined proportion of the to-be-traded digital assets from the preset number of the to-be-traded digital assets;
and distributing the target trading digital assets of the first preset proportion and the to-be-traded digital assets of the second preset proportion to the blockchain account of the down-chain trading exchange through the intelligent contract.
5. The method according to any of claims 1-4, wherein the blockchain comprises any of:
an EOS blockchain; an Ethenhouse block chain; a super-ledger block chain.
6. A decentralized transaction device based on block chain is characterized in that the decentralized transaction device is applied to a block chain server and comprises:
the system comprises a sending module, a receiving module and a matching module, wherein the sending module is used for sending a transaction request to a linked server of a block chain when detecting the transaction request initiated by any first account in the block chain based on an intelligent contract so as to match the linked server;
and the processing module is used for receiving a matching result returned by the down-link server when the matching of the transaction request is successful, and performing on-link transaction through the intelligent contract according to the matching result.
7. The apparatus of claim 6, wherein the transaction request includes a preset number of the digital assets to be traded, the target trading digital assets, and the transaction price between the digital assets to be traded and the target trading digital assets;
and the matching result is obtained by matching the preset number of the digital assets to be traded with the target trading digital assets by the down-link server based on a preset matching algorithm according to the trading price.
8. The device of claim 7, wherein the matching result comprises account information of both trading parties and the number of target trading digital assets corresponding to the preset number of digital assets to be traded;
the processing module is specifically configured to allocate the amount of the target trading digital assets to the first account through the smart contract, and allocate the preset amount of the to-be-traded digital assets to a trading party account that trades with the first account.
9. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the blockchain-based decentralized transaction method of any one of claims 1 to 5 when executing the program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, implements the blockchain-based decentralized transaction method according to any one of claims 1 to 5.
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