KR102260794B1 - Method for ensuring the trust of custom contracts using in-game smart contracts - Google Patents

Abstract

According to some embodiments of the present disclosure, a computer program stored on a computer-readable storage medium, the computer program comprising instructions for causing a game server to perform the following operations: operation of receiving a contract (Smart Contract); executing the smart contract and recognizing whether the spec of the smart contract matches the spec defined in the game API (Application Programming Interface); and when the specification of the smart contract matches the specification defined in the game API, the smart contract is transmitted to at least one player node included in the blockchain network, so that the smart contract is a consensus algorithm in the plurality of player nodes when verified through , generating a first block in each of the plurality of player nodes and causing the smart contract to be recorded in the first block.

Description

How to guarantee the trust of custom contracts using in-game smart contracts {METHOD FOR ENSURING THE TRUST OF CUSTOM CONTRACTS USING IN-GAME SMART CONTRACTS}

The present disclosure relates to a method of guaranteeing the trust of a custom contract using an in-game smart contract, and more particularly, to a method for allowing and guaranteeing a transparent and secure custom contract using an in-game smart contract.

Recently, the fourth industrial revolution, the next-generation industrial revolution made by the convergence of information and communication technologies, has become an issue. Automation in the existing industry meant passive operation according to a pre-entered program, but in the 4th industrial revolution, it means that the machine actively grasps the situation and operates. Technology and life sciences are leading the way.

Among the technologies of the 4th industrial revolution, blockchain is attracting attention as a major technology. Blockchain is a technology that provides security as a public transaction ledger. These blockchains are attracting attention, and the Bitcoin (Bitcoin) platform and Ethereum (ethereum) platform, which are blockchain-based cryptocurrency technologies, are also receiving attention.

Bitcoin refers to a cryptocurrency that can record transaction records by blockchain technology, and Ether in Ethereum refers to a cryptocurrency that can record additional information such as contracts as well as transaction technology. In particular, Ethereum is drawing more attention because it supports a smart contract function that can record separate information.

Meanwhile, the game industry is growing together with the rapid development of IT technology, and methods for solving problems accompanying the growth of the game industry are being sought.

For example, in an MMORPG (Massively Multiplayer Online Role Playing Game), in which numerous simultaneous users perform missions or quests in the game, group play is performed for the smooth progress of the game, and rewards (game items and It is important to distribute game money, etc.). However, as group heads do not distribute rewards for personal gain, there is a situation in which group members who participated in group play suffer damage.

As described above, when a non-manner play user and a manner play user who do not perform reward distribution according to group play play the game together, inequality of results in the game may occur. For this reason, the reliability and interest in the game of the manner play user may be reduced, and the frequency of the manner play user's game access may also decrease. Accordingly, damage to manner play users may not only lead to a decrease in sales of game development companies and game publishing companies, but also shorten the life of the game regardless of the essential characteristics of the game such as creativity and interest of the game. may result in

Accordingly, there may be a need in the art to create a game ecosystem with high reliability of group play by blocking in advance unmanned play, such as failure to distribute rewards according to group play.

Republic of Korea Patent Publication No. 10-1727525

The present disclosure has been devised in response to the above background art, and is intended to provide a method of guaranteeing the trust of a custom contract to secure the transparency and stability of the custom contract using an in-game smart contract.

The technical problems of the present disclosure are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

According to some embodiments of the present disclosure for solving the problems as described above, a computer program stored in a computer-readable storage medium is disclosed. The computer program includes instructions for causing the game server to perform the following operations: receiving a smart contract from a first player node; executing the smart contract and recognizing whether the spec of the smart contract matches the spec defined in the game API (Application Programming Interface); and when the specification of the smart contract matches the specification defined in the game API, the smart contract is transmitted to at least one player node included in the blockchain network, and the smart contract executes a consensus algorithm in a plurality of player nodes. and, when verified through, generating a first block in each of the plurality of player nodes and causing the smart contract to be recorded in the first block.

In addition, the operations may include: receiving a smart contract call signal including a contract address of the smart contract from a second player node; searching for the smart contract in the blockchain network through the contract address; and providing a reward corresponding to the discovered smart contract to the second player node.

In addition, the operations may include: generating a first transaction as a reward corresponding to the smart contract is provided to the second player node; and by transmitting the first transaction to the plurality of player nodes included in the blockchain network, when the first transaction is verified through a consensus algorithm, a second block is generated in each of the plurality of player nodes, and The method may further include causing the first transaction to be recorded in the second block.

In addition, the operation of recognizing whether the specification of the smart contract matches the specification defined in the game API may include: recognizing whether the code of the smart contract is written as a preset code; and when it is recognized that the code of the smart contract is written as the preset code, recognizing that the specification of the smart contract matches the specification defined in the game API.

In addition, the operations may include: receiving a game information modification request signal from a developer node; verifying the developer node; and, when the developer node is verified, modifying game information based on the game information modification request signal when the game information is verified, wherein the game information includes information on game items, information on game monsters, and a game map. It may include at least one of information about a map and information about a game quest.

In addition, the verification of the developer node may include: transmitting an identification information request signal to the developer node in response to receiving the game information modification request signal; receiving identification information corresponding to the identification information request signal from the developer node; and comparing the received identification information with the previously stored identification information, and recognizing the developer node as a verified node when the identification information matches any one of the previously stored identification information.

In addition, as the game information is modified, generating a second transaction; and by transmitting the second transaction to the plurality of player nodes included in the blockchain network, when the second transaction is verified through a consensus algorithm, a third block is generated in each of the plurality of player nodes, and The method may further include an operation of causing the second transaction to be recorded in a third block.

In addition, the operation of transmitting the smart contract to the at least one player node included in the blockchain network may include: generating a transaction signed with a private key of at least one of the game server and the terminal of the first player; and transmitting the generated transaction to the at least one player node included in the blockchain network, wherein the transaction includes: a transaction input value including identification information generated from the private key; and a transaction output value including address information in the blockchain network in which the smart contract and the transaction including the smart contract are to be stored.

In addition, the smart contract includes information on the operation policy of hunting party play or guild play, and the information on the operation policy includes information on participation conditions, information on participation rewards, information on profit distribution, and party It may include at least one of information about the transfer condition of the chief or the guild chief.

In addition, the smart contract may include information on transaction details between at least two or more players, and the information on the transaction details may include at least one of information on a transaction item and information on a transaction amount.

In addition, the smart contract includes information on a betting policy between at least two or more players, and the information on the betting policy includes at least one of information about winning conditions for betting and information about winning rewards for betting can do.

According to some embodiments of the present disclosure for solving the problems as described above, a computer program stored in a computer-readable storage medium is disclosed. The computer program includes instructions for causing the master node to perform the following operations, the operations comprising: receiving a smart contract from a first player node; executing the smart contract and recognizing information on the spec of the smart contract; transmitting information on the specification of the smart contract to a game server, and receiving a signal from the game server as to whether the specification of the smart contract matches a specification defined in a game API (Application Programming Interface); and when the specification of the smart contract matches the specification defined in the game API, the smart contract is transmitted to at least one player node included in the blockchain network, and the smart contract executes a consensus algorithm in a plurality of player nodes. and, when verified through, generating a first block in each of the plurality of player nodes and causing the smart contract to be recorded in the first block.

In addition, the operations may include: receiving a smart contract call signal including a contract address of the smart contract from a second player node; searching for the smart contract in the blockchain network through the contract address; and providing a reward corresponding to the discovered smart contract to the second player node.

In addition, the operations may include: generating a first transaction as a reward corresponding to the smart contract is provided to the second player node; and by transmitting the first transaction to the plurality of player nodes included in the blockchain network, when the first transaction is verified through a consensus algorithm, a second block is generated in each of the plurality of player nodes, and The method may further include causing the first transaction to be recorded in the second block.

In addition, the operations may include: receiving a game information modification request signal from a developer node; transmitting an identification information request signal to the developer node upon receiving the game information modification request signal; Receiving identification information corresponding to the identification information request signal from the developer node; and transmitting the identification information and the game information correction request signal to the game server to cause verification of the developer node and correction of game information in the game server. It may include at least one of information about an item, information about a game monster, information about a game map, and information about a game quest.

In addition, the operations may include: receiving a game information correction completion signal from the game server; generating a second transaction upon receiving the game information modification completion signal; and by transmitting the second transaction to the plurality of player nodes included in the blockchain network, when the second transaction is verified through a consensus algorithm, a third block is generated in each of the plurality of player nodes, and The method may further include an operation of causing the second transaction to be recorded in a third block.

In addition, the operation of transmitting the smart contract to the at least one player node included in the blockchain network may include: generating a transaction signed with a private key of at least one of the game server and the terminal of the first player; and transmitting the generated transaction to the at least one player node included in the blockchain network, wherein the transaction includes: a transaction input value including identification information generated from the private key; and a transaction output value including address information in the blockchain network in which the smart contract and the transaction including the smart contract are to be stored.

In addition, the at least one master node may be at least one preset reliable node among the plurality of player nodes included in the blockchain network.

The technical solutions obtainable in the present disclosure are not limited to the above-mentioned solutions, and other solutions that are not mentioned are clearly to those of ordinary skill in the art to which the present disclosure belongs from the description below. can be understood

The present disclosure can provide a method for guaranteeing the trust of a custom contract and securing transparency and stability by using an in-game smart contract.

The effects obtainable in the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art to which the present disclosure belongs from the description below. .

Various aspects are now described with reference to the drawings, in which like reference numbers are used to refer to like elements collectively. In the following examples, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more aspects. It will be evident, however, that such aspect(s) may be practiced without these specific details.
1 is a diagram illustrating an example of a game server and a game system based on a blockchain network in which various aspects of the present disclosure can be implemented.
2 is a flowchart illustrating an example in which a game server transmits a smart contract received from a player node to at least one player node included in a blockchain network according to some embodiments of the present disclosure.
3 is a flowchart illustrating an example of providing a reward corresponding to a called smart contract to a player node when the game server receives a smart contract call signal from a player node according to some embodiments of the present disclosure.
4 is a flowchart illustrating an example of generating a transaction and transmitting the transaction to at least one player node included in the blockchain network as the game server modifies game information according to some embodiments of the present disclosure.
5 is a diagram illustrating an example of a game system based on a game server, a master node, and a blockchain network in which various aspects of the present disclosure can be implemented.
6 is a flowchart illustrating an example in which a master node records a smart contract received from a player node in a blockchain network according to some embodiments of the present disclosure.
7 is a flowchart illustrating an example in which a master node provides a reward corresponding to a called smart contract to a player node when a master node receives a smart contract call signal from a player node according to some embodiments of the present disclosure.
8 is a flowchart illustrating an example in which a master node generates a transaction as game information is modified and transmits it to at least one player node included in a blockchain network according to some embodiments of the present disclosure.
9 shows a simplified, general schematic diagram of an example computing environment in which some embodiments of the present disclosure may be implemented.

Various embodiments and/or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth to provide a thorough understanding of one or more aspects. However, it will also be appreciated by one of ordinary skill in the art that such aspect(s) may be practiced without these specific details. The following description and accompanying drawings set forth in detail certain illustrative aspects of one or more aspects. These aspects are illustrative, however, and some of the various methods in principles of various aspects may be employed, and the descriptions set forth are intended to include all such aspects and their equivalents. Specifically, as used herein, “embodiment”, “example”, “aspect”, “exemplary”, etc. is not to be construed as an advantage or advantage of any aspect or design described over other aspects or designs. It may not be.

Further, various aspects and features will be presented by a system that may include one or more apparatuses, terminals, servers, devices, components and/or modules, and the like. The various systems may include additional apparatuses, terminals, servers, devices, components and/or modules, etc. and/or the apparatuses, terminals, servers, etc. discussed in connection with the drawings; It should also be understood and appreciated that it may not include all of devices, components, modules, etc.

As used herein, the terms "computer program," "component," "module," "system," and the like, may be used interchangeably with each other, and include computer-related entities, hardware, firmware, software, combinations of software and hardware; or to the execution of software. For example, a component can be, but is not limited to being, a process running on a processor, a processor, an object, a thread of execution, a program, and/or a computer. For example, both an application running on a computing device and the computing device may be a component. One or more components may reside within a processor and/or thread of execution. A component may be localized within one computer. A component may be distributed between two or more computers.

In addition, these components can execute from various computer readable media having various data structures stored therein. Components may communicate via a network such as the Internet with another system, for example via a signal having one or more data packets (eg, data and/or signals from one component interacting with another component in a local system, distributed system, etc.) may communicate via local and/or remote processes depending on the data being transmitted).

Hereinafter, the same or similar components are assigned the same reference numerals regardless of reference numerals, and overlapping descriptions thereof will be omitted. In addition, in describing the embodiments disclosed in the present specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present specification, and the technical ideas disclosed in the present specification are not limited by the accompanying drawings.

The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present disclosure. As used herein, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other components in addition to the stated components.

Although the first, second, etc. are used to describe various elements or elements, these elements or elements are not limited by these terms, of course. These terms are only used to distinguish one element or component from another. Accordingly, it goes without saying that the first element or component mentioned below may be the second element or component within the spirit of the present disclosure.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with the meaning commonly understood by those of ordinary skill in the art to which this disclosure belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless clearly defined in particular.

In addition, the term “or” is intended to mean an inclusive “or” rather than an exclusive “or.” That is, unless otherwise specified or clear from context, "X employs A or B" is intended to mean one of the natural implicit substitutions. That is, X employs A; X employs B; or when X employs both A and B, "X employs A or B" may apply to either of these cases. It should also be understood that the term “and/or” as used herein refers to and includes all possible combinations of one or more of the listed related items.

In addition, as used herein, the terms “information” and “data” may often be used interchangeably.

The suffixes "module" and "part" for the components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have a meaning or role distinct from each other by themselves.

Objects and effects of the present disclosure, and technical configurations for achieving them will become clear with reference to the embodiments described below in detail in conjunction with the accompanying drawings 7 . In describing the present disclosure, if it is determined that a detailed description of a well-known function or configuration may unnecessarily obscure the subject matter of the present disclosure, the detailed description thereof will be omitted. In addition, the terms described below are terms defined in consideration of functions in the present disclosure, which may vary according to intentions or customs of users and operators.

However, the present disclosure is not limited to the embodiments disclosed below and may be implemented in various different forms. Only the present embodiments are provided so that the present disclosure is complete, and to fully inform those of ordinary skill in the art to which the present disclosure belongs, the scope of the disclosure, and the present disclosure is only defined by the scope of the claims . Therefore, the definition should be made based on the content throughout this specification.

1 is a diagram illustrating an example of a game server and a game system based on a blockchain network in which various aspects of the present disclosure can be implemented.

According to some embodiments of the present disclosure, a game system may include a game server 100 and a blockchain network 200 . However, since the above-described components are not essential for implementing the game system, the game system may have more or fewer components than those listed above.

Here, the game server 100 may include any type of computer system or computer device, such as, for example, a microprocessor, a mainframe computer, a digital processor, a portable device and a device controller, and the like.

The game server 100 may issue a transaction (smart contract) including a custom contract generated while the player plays the game provided by the game server 100 and store it in the blockchain network. In addition, the game server 100 may recognize whether the player participates in the custom contract based on the information for executing the custom contract recorded in the blockchain network. In addition, the game server 100 may issue a transaction for storing the reward payment details according to the recognized participation in the blockchain network. Although the game server 100 is expressed as one entity in FIG. 1 , a master node that exists separately from the game server may exist according to an implementation aspect.

Hereinafter, in the description of FIGS. 1 to 4 , an embodiment in which the above-described master node function is integrated into the game server 100 has been exemplarily described. And, in the description of FIGS. 5 to 8 , an embodiment in which the master node exists separately from the game server 100 will be described in more detail later.

In some embodiments of the present disclosure, the blockchain network 200 may mean a plurality of nodes operating based on blockchain technology. Here, the block chain technology is a distributed storage technology that stores data to be managed in a plurality of nodes constituting the block chain network using a storage structure in which blocks are connected in a chain form.

The blockchain network 200 may store the transaction transmitted from the game server 100 in the form of a block based on a predetermined consensus algorithm. Data stored in block form may be shared by a plurality of nodes constituting the blockchain network 200 .

In some exemplary embodiments of the present disclosure, nodes in the blockchain network 200 may operate by a blockchain core package according to a hierarchical structure. The hierarchical structure is: A data layer that defines the structure of data handled in the block chain network 200 and manages data, performs mining to verify the validity of blocks and creates blocks, and fees paid to miners in the mining process Consensus layer in charge of processing, execution layer processing and executing smart contract, common layer implementing and managing P2P network protocol, hash function, digital signature, encoding and common storage, and various applications are created, processed and managed It may contain an application layer.

According to some embodiments of the present disclosure, the game server 100 may include a communication unit 110 , a storage unit 120 , and a control unit 130 . However, since the above-described components are not essential in implementing the game server 100 , the game server 100 may have more or fewer components than those listed above. Here, each component may be configured as a separate chip, module, or device, or may be included in one device.

The communication unit 110 may include one or more modules that enable communication between the game server 100 and the blockchain network 200 . In addition, the communication unit 110 may include one or more modules for connecting the game server 100 to one or more networks.

According to some embodiments of the present disclosure, the game server 100 and the blockchain network 200 may mutually transmit/receive data for the game system according to some embodiments of the present disclosure through the network.

Networks according to some embodiments of the present disclosure include Public Switched Telephone Network (PSTN), x Digital Subscriber Line (xDSL), Rate Adaptive DSL (RADSL), Multi Rate DSL (MDSL), Very High Speed (VDSL). Various wired communication systems such as DSL), Universal Asymmetric DSL (UADSL), High Bit Rate DSL (HDSL), and Local Area Network (LAN) can be used.

In addition, the networks presented herein include Code Division Multi Access (CDMA), Time Division Multi Access (TDMA), Frequency Division Multi Access (FDMA), Orthogonal Frequency Division Multi Access (OFDMA), Single Carrier-FDMA (SC-FDMA) and Various wireless communication systems may be used, such as other systems.

The network according to the embodiments of the present disclosure may be configured regardless of its communication mode, such as wired and wireless, and is composed of various communication networks such as a personal area network (PAN) and a wide area network (WAN). can be In addition, the network may be a well-known World Wide Web (WWW), and may use a wireless transmission technology used for short-range communication, such as infrared (IrDA) or Bluetooth (Bluetooth).

The techniques described herein may be used in the networks mentioned above, as well as in other networks.

The storage unit 120 may store a program for the operation of the control unit 130 , and may temporarily or permanently store input/output data. Storage unit 120 is a flash memory type (flash memory type), hard disk type (hard disk type), multimedia card micro type (multimedia card micro type), card type memory (for example, SD or XD memory, etc.), Random Access Memory (RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), Magnetic Memory, It may include at least one type of storage medium among magnetic disks and optical disks. The storage unit 120 may be operated under the control of the controller 130 .

The controller 130 generally controls the overall operation of the game server 100 . The control unit 130 processes signals, data, information, etc. input or output through the above-described components or by driving an application program stored in the storage unit 120 to provide or process appropriate information or functions to the user. .

In addition, the control unit 130 may control at least some of the components discussed with reference to FIG. 1 in order to drive the application program stored in the storage unit 120 . Furthermore, in order to drive the application program, the controller 130 may operate at least two or more of the components included in the game server 100 in combination with each other.

Various embodiments described herein may be implemented in, for example, a computer or similar device-readable recording medium and storage medium using software, hardware, or a combination thereof.

According to the hardware implementation, the embodiments described herein are ASICs (application specific integrated circuits), DSPs (digital signal processors), DSPDs (digital signal processing devices), PLDs (programmable logic devices), FPGAs (field programmable gate arrays, It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and other electrical units for performing functions. The described embodiments may be implemented by the controller 130 itself.

According to the software implementation, embodiments such as the procedures and functions described in this specification may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein. The software code may be implemented as a software application written in a suitable programming language. The software code may be stored in the storage unit 120 and executed by the control unit 130 .

According to some embodiments of the present disclosure, the blockchain network 200 may include a first player node 210 , a second player node 220 , and a developer node 230 . However, the present invention is not limited thereto, and the blockchain network 200 may further include a plurality of nodes.

The term “node” used in the present disclosure may be any type of computing device such as a server or terminal capable of exchanging data with at least one of a “game server” and a “blockchain network”. However, the present invention is not limited thereto, and a node may be any device capable of exchanging data between a plurality of nodes.

According to some embodiments of the present disclosure, a plurality of nodes included in the block chain network 200 may include a full block chain node and a lightweight node.

A full blockchain node can contain all block information from the first block of the blockchain to the currently newly created block. In addition, a full blockchain node collects and stores all blockchain information, and can perform verification on the received block to add a new block.

The lightweight node does not have the original source of all block information, and may include only header information. In order for the lightweight node to verify the transaction, SPV (Simple Payment Verify) can be performed.

For example, a lightweight node can request block information from a full blockchain node, and verify the transaction's authentication content through the Merkle Root.

However, for convenience of explanation, a plurality of nodes included in the block chain network 200 may be described below assuming that they are full block chain nodes.

In addition, the term “block” used in this specification is a unit stored in a blockchain network, and may form a blockchain as it is connected with adjacent blocks. When the information of the game server 100 and the information related to the information of the blockchain network 200 are issued to the blockchain network as a transaction, they may be included in the block in the transaction and recorded in the blockchain network. According to the setting of the blockchain network, the right to read, the right to agree, and/or the right to verify the data stored in the block can be determined.

A smart contract according to some embodiments of the present disclosure is a digital language for custom contracts (eg, an operation policy of hunting party play or guild play, transaction contents between at least two or more players, and a betting policy between at least two or more players, etc.) written in , and can run on any computing device. That is, when the code and/or function included in the smart contract is executed, any form of contract (eg, reward for participating in hunting party play or guild play, profit sharing, transaction item, transaction amount, win conditions for bets, rewards for winning bets, etc.) may be implemented.

A smart contract according to some embodiments of the present disclosure is a method of creating a new smart contract, a method of executing a function on a specific smart contract, or a method of transmitting a coin operable in the block chain network 200 may be executed by at least one. In addition, smart contracts can be executed by other contracts or transactions made by externally owned accounts.

A smart contract for creating a custom contract according to some embodiments of the present disclosure is configured to pay a specific execution cost when executing a transaction, for example, to prevent malicious code such as infinite repetition and to protect the integrity of data related to the custom contract. may also be specified. Execution cost herein may mean any type of coin tradable in the blockchain network 200 or a separate other type of medium (eg, gas, etc.) that can be linked with the coin. As a non-limiting example, the basic execution cost of a transaction may be set to 21,000 gas. For example, such an execution cost may include the cost of processing the elliptic curve digital signature algorithm (ECDSA) for the account address of the issuer of the transaction, the cost of storage for storing the transaction, and the cost of network bandwidth. In this way, if a smart contract is defined to pay a specific cost when executing, malicious attacks such as infinite execution such as intentional DDoS attacks can be prevented.

A call between smart contracts to implement a custom contract according to some embodiments of the present disclosure may be implemented using a structure called a message. For example, such a message may be generated by the contract account (CA), and may be delivered to another contract when a function is called. In one embodiment, since the message in this case is generated and processed inside the blockchain network 200, unlike a transaction generated in an externally owned account, a separate execution cost such as gas may not be generated.

In implementing a custom contract according to some embodiments of the present disclosure, when synchronizing through a block chain by including a function of a smart contract in a transaction in the form of a compiled code, the information included in the transaction is converted into a code as an input of the function A smart contract can be implemented by executing the expressed function and storing the result in a separate state.

When the function content and function input are shared by a smart contract shared in the blockchain network 200, data integrity can be guaranteed even if the function result is not shared separately.

In a further embodiment, the computing devices constituting the blockchain network 200 of the present disclosure for executing a custom contract include a transaction storage database that changes the state of the smart contract and a smart contract that keeps the latest state of the smart contract It may also contain a database. In this case, the smart contract for custom contract execution in the present disclosure may be defined as an application that can change the state on the blockchain network 200 (ie, custom contract application), and the state of the smart contract may be defined as a variable used in the corresponding application (that is, a custom contract application), and an input value for changing it is one of the game server 100 , the first player node 210 , and the second player node 220 . It may be included in a transaction issued from at least one.

In a further embodiment, the database storing the state of the smart contract may be combined with the database storing the transaction to achieve a high compression ratio. In addition, to achieve distributed consensus of the database that stores the state of the smart contract and the low dependency of the smart contract, it can operate separately from the database that stores the transaction.

A plurality of nodes included in the blockchain network 200 may share and store the generated transaction and/or smart contract through the network. In addition, a plurality of nodes can perform a function of recording a transaction in a block when verification of a transaction and/or a smart contract is completed through the consensus algorithm of the block chain technology.

According to some embodiments of the present disclosure, the consensus algorithm performed in the blockchain network 200 is: a Proof of Work (PoW) algorithm, a Proof of Stake (PoS) algorithm, a Delegated Proof of Stake (DPoS) algorithm, and a Practical (PBFT) algorithm. Byzantine Fault Tolerance (DBFT) Algorithm, Delegated Byzantine Fault Tolerance (DBFT) Algorithm, Redundant Byzantine Fault Tolerance (RBFT) Algorithm, Sieve Algorithm, Tendermint Algorithm, Paxos Algorithm, Raft Algorithm, Proof of Authority (PoA) Algorithm, and/or Proof of (PoET) Algorithm Elapsed Time) algorithm may be included.

Since smart contracts and/or transactions including custom contract contents are recorded in blocks using the consensus algorithm of block chain technology, it is possible to prevent forgery or falsification of custom contracts.

Meanwhile, the block chain network structure according to some embodiments of the present disclosure may be a public type or a private type. In the case of a public-type blockchain network, it is inefficient in terms of consensus time, transaction processing speed, and efficiency of use of computing resources because verification work has to be performed on all nodes to verify a transaction. There may be advantages in transparency and integrity of the stored data because it is possible. In addition, in the case of a private (or consortium) blockchain, since the operating entity is clear, it has the advantage of being efficient in terms of consensus time, transaction processing speed, and efficiency of use of computing resources, but transparency of the transaction processing process and results There may be advantages in terms of

The consensus algorithm in some embodiments of the present disclosure may be a private or consortium type blockchain network to improve user experience through efficient utilization of computing resources and increase in transaction processing speed, but is not limited thereto. Depending on the implementation aspect, if you want to emphasize the transparency of a transaction or a smart contract more, a public type may be used as the consensus algorithm.

The first player node 210 , the second player node 220 , and the developer node 230 included in the blockchain network 200 may be related to a user who wants to access the game server 100 .

In the present disclosure, the first player node 210 and the second player node 220 may access the game server 100 and play a game provided by the game server 100 . In addition, the first player node 210 and the second player node 220 form a group in the course of performing the game to perform game play, and to store any type of game-related item obtained through group play within the game. can be distributed In the present disclosure, the developer node 230 may modify the game provided by the game server 100 by accessing the game server 100 . A game in the present disclosure may include any type of game, such as a mobile game, a web game, a VR game, a P2P game, an online/offline game, and the like. However, the present invention is not limited thereto.

According to some embodiments of the present disclosure, the first player node 210 of the blockchain network 200 may transmit a smart contract including the content of any custom contract written by the user to the game server 100 . Specifically, the first player node 210 may use an arbitrary language such as Solidity to generate a smart contract that can be operated on the blockchain network 200 and transmit it to the game server 100 .

As an example, the smart contract transmitted by the first player node 210 to the game server 100 may include information on an operation policy of a hunting party play or a guild play. Here, the information on the operation policy may include at least one of information on participation conditions, information on participation rewards, information on profit distribution, and information on transfer conditions of party leaders or guild leaders.

As another example, the smart contract transmitted by the first player node 210 to the game server 100 may include information on transaction details between at least two players. Here, the information on the transaction content may include at least one of information on a transaction item and information on a transaction amount.

As another example, the smart contract transmitted by the first player node 210 to the game server 100 may include information on a betting policy between at least two players. Here, the information on the betting policy may include at least one of information on a winning condition of a bet and information on a winning reward of a bet.

According to some embodiments of the present disclosure, when receiving a smart contract from the first player node 210 , the game server 100 may execute the smart contract. Specifically, the game server 100 executes the smart contract received from the first player node 210 to recognize whether the specification of the smart contract matches the specification defined in the game API (Application Programming Interface). can do.

A more detailed description of whether the above-described game server 100 recognizes whether the specification of the smart contract matches the specification defined in the game API will be described below with reference to FIG. 2 .

According to some embodiments of the present disclosure, when the specification of the smart contract matches the specification defined in the game API, the game server 100 transmits the smart contract to at least one player node included in the blockchain network, When a smart contract is verified through a consensus algorithm in a player node of , it is possible to generate a first block in each of a plurality of player nodes and cause the smart contract to be recorded in the first block.

Specifically, when the game server 100 transmits the smart contract to at least one player node included in the blockchain network 200, the game server 100 and the first player's terminal (the first player node 210) ) can create a transaction signed with at least one private key. Also, the game server 100 may transmit the generated transaction to at least one player node included in the blockchain network 200 . Here, the transaction may include a transaction input value including identification information generated from the private key. In addition, the transaction may include a transaction output value including address information in the smart contract and the blockchain network 200 in which the transaction including the smart contract will be stored.

Meanwhile, each of the plurality of player nodes included in the blockchain network 200 may verify the smart contract received from the game server 100 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a first block and record the smart contract in the first block when the smart contract is verified through the consensus algorithm.

Specifically, the smart contract extracts a first nonce value that satisfies a preset first condition in any one of the plurality of player nodes, and a consensus algorithm when the first nonce value is recognized as valid in each of the plurality of player nodes can be recognized as verified. Here, the preset first condition is to be satisfied when the hash value of the first block generated when the information stored in the header of the first block and the first nonce value are converted through a hash algorithm is less than the difficulty value of the first block. can

According to some embodiments of the present disclosure, the second player node 220 of the blockchain network 200 may transmit a smart contract call signal (query) to the game server 100 . Specifically, the second player node 220 may transmit a smart contract call signal including the contract address of the smart contract generated by the first player node 210 .

As an example, the smart contract call signal transmitted by the second player node 220 to the game server 100 includes a contract address, information that a hunting party play or a guild play has participated, and a reward payment according to the hunting party play or guild play. may contain information.

As another example, the smart contract call signal transmitted by the second player node 220 to the game server 100 may include a contract address, information about participating in a bet between other player nodes, and information on bet winning compensation. have.

According to some embodiments of the present disclosure, the contract address of the smart contract may be in hexadecimal. However, the present invention is not limited thereto, and the contract address of the smart contract may have various forms.

According to some embodiments of the present disclosure, the control unit 130 of the game server 100 may search for a smart contract on the blockchain network 200 through the contract address included in the smart contract call signal (query). Also, the game server 100 may provide a reward corresponding to the found smart contract to the second player node 220 .

As described above, in relation to the operation of the control unit 130 transmitting a signal (query) for searching for a smart contract, the communication unit 110 of the game server 100 may transmit an inquiry query to the blockchain network 200. And, the node receiving the query in the block chain network 200 can respond to it. In the case of this inquiry (query) operation, since the value stored in the blockchain network can be inquired without changing the blockchain data, the blockchain network 200 does not need to be separately synchronized. Therefore, the node of the block chain network 200 can check its own DB in response to the corresponding inquiry (query) regardless of block synchronization and proceed with a quick response.

The information inquiry query in the present disclosure may be used to inquire information recorded on the blockchain network 200 . Transactions and/or smart contracts in the present disclosure insert new data into the blockchain network 200 or update (modify/change/delete/add) data recorded on the blockchain network 200. can be used

Also, the game server 100 may generate the first transaction as the reward corresponding to the smart contract is provided to the second player node 220 . Here, the first transaction may include content in which a reward is provided to the second player node 220 . The game server 100 transmits the first transaction to at least one player node included in the blockchain network 200 so that, when the first transaction is verified through a consensus algorithm, the second block is generated from each of the plurality of player nodes. and cause the first transaction to be written to the second block.

Meanwhile, each of the plurality of player nodes included in the blockchain network 200 may verify the first transaction received from the game server 100 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a second block and record the first transaction in the second block when the first transaction is verified through the consensus algorithm.

Specifically, in the first transaction, any one of the plurality of player nodes extracts a second nonce value that satisfies a preset second condition, and agrees when the second nonce value is recognized as valid in each of the plurality of player nodes. It can be recognized that the algorithm has been verified. Here, the preset second condition is to be satisfied when the hash value of the second block generated when the information stored in the header of the second block and the second nonce value are converted through a hash algorithm is less than the difficulty value of the second block. can

Since the smart contract including the custom contract written by the player is recorded in the block using the consensus algorithm of the blockchain technology, the effect of preventing forgery or falsification of the content of the custom contract occurs.

According to some embodiments of the present disclosure, the developer node 230 included in the blockchain network 200 may transmit a game information modification request signal to the game server 100 . Here, the game information modification request signal may be a signal for requesting to modify at least one of information about a game item, information about a game monster, information about a game map, and information about a game quest. However, the game information correction request signal is not limited to the above-described example.

According to some embodiments of the present disclosure, the game server 100 may verify the developer node 230 when receiving the game information modification request signal from the developer node 230 . Also, when the developer node 230 is verified, the game server 100 may modify the game information based on the game information modification request signal received from the developer node 230 . Here, the game information may include at least one of information about a game item, information about a game monster, information about a game map, and information about a game quest. However, the game information is not limited to the above-described example.

A more detailed description of the above-described game server 100 verifying the developer node will be described later with reference to FIG. 4 .

According to some embodiments of the present disclosure, the game server 100 may generate a second transaction as game information is modified. Here, the second transaction may include game information modifications. The game server 100 transmits the second transaction to at least one player node included in the blockchain network 200 so that when the second transaction is verified through a consensus algorithm, a third block is generated from each of the plurality of player nodes. and cause a second transaction to be written to the third block.

Meanwhile, each of the plurality of player nodes included in the blockchain network 200 may verify the second transaction received from the game server 100 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a third block and record the second transaction in the third block when the second transaction is verified through the consensus algorithm.

Specifically, the second transaction extracts a third nonce value that satisfies a preset third condition in any one of the plurality of player nodes, and agrees when it is recognized that the third nonce value is valid in each of the plurality of player nodes It can be recognized that it has been verified through the algorithm. Here, the preset third condition is to be satisfied when the hash value of the third block generated when the information stored in the header of the third block and the third nonce value are converted through a hash algorithm is less than the difficulty value of the third block. can

Since the second transaction including the game information modification is recorded in the block using the consensus algorithm of the blockchain technology, it is possible to prevent forgery or falsification of the game modification contents.

2 is a flowchart illustrating an example in which a game server transmits a smart contract received from a player node to at least one player node included in a blockchain network according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the control unit 130 of the game server 100 may receive a smart contract from the first player node 210 included in the blockchain network 200 through the communication unit 110 . (S111).

The smart contract received from the first player node 210 may include a custom contract.

As an example, the smart contract may include information on the operation policy of the hunting party play or the guild play. Here, the information on the operation policy may include at least one of information on participation conditions, information on participation rewards, information on profit distribution, and information on transfer conditions of party leaders or guild leaders.

As another example, the smart contract may include information on transaction details between at least two or more players. Here, the information on the transaction content may include at least one of information on a transaction item and information on a transaction amount.

As another example, the smart contract may include information on transaction details between at least two or more players. Here, the information on the transaction content may include at least one of information on a transaction item and information on a transaction amount.

According to some embodiments of the present disclosure, the controller 130 of the game server 100 may recognize whether the specification of the smart contract matches the specification defined in the game API (S112).

Specifically, by executing the smart contract, the controller 130 may recognize whether the code of the smart contract is written as a preset code. Here, the code of the smart contract may mean a program language and a function written in the program language.

In addition, when it is recognized that the code of the smart contract is written with the preset code, the controller 130 may recognize that the specification of the smart contract matches the specification defined in the game API. Specifically, the controller 130 may recognize whether the contents included in the smart contract can be driven in the game.

According to some embodiments of the present disclosure, when the controller 130 of the game server 100 recognizes that the specification of the smart contract matches the specification defined in the game API (S112, Yes), the smart contract is transferred to the blockchain network ( 200) may be transmitted to at least one player node included in (S113).

In this case, each of the plurality of player nodes included in the blockchain network 200 may verify the smart contract received from the game server 100 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a first block and record the smart contract in the first block when the smart contract is verified through the consensus algorithm.

That is, since the smart contract including the custom contract created by the first player node 210 can be shared and recorded in the blockchain network 200, the reliability and integrity of the custom contract can be secured.

On the other hand, when the controller 130 of the game server 100 recognizes that the specification of the smart contract does not match the specification defined in the game API (S112, No), the smart contract is included in the blockchain network 200 It may not transmit to at least one player node. Also, the controller 130 may transmit the communication unit 110 to transmit a signal that the specifications of the smart contract do not match to the first player node 210 that has transmitted the smart contract.

3 is a flowchart illustrating an example of providing a reward corresponding to a called smart contract to a player node when the game server receives a smart contract call signal from a player node according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the control unit 130 of the game server 100 receives a smart contract call signal from the second player node 220 included in the block chain network 200 through the communication unit 110 . can be (S121). Here, the smart contract call signal may include a contract address in hexadecimal.

As an example, the control unit 130 of the game server 100 includes a contract address through the communication unit 110, information about participating in hunting party play or guild play, and information on compensation payment according to hunting party play or guild play. A smart contract call signal may be received from the second player node 220 .

As another example, the control unit 130 of the game server 100 sends a smart contract call signal including a contract address, information about participating in a bet between other player nodes, and information on payment of a wager winning reward through the communication unit 110 . It may be received from the second player node 220 .

According to some embodiments of the present disclosure, the controller 130 of the game server 100 may control the communication unit 110 to search for a smart contract on the block chain network 200 through the contract address (S122).

According to some embodiments of the present disclosure, the control unit 130 of the game server 100 may search for a smart contract on the blockchain network 200 through the contract address included in the smart contract call signal (query).

As described above, in relation to the operation of the control unit 130 transmitting a signal (query) for searching for a smart contract, the communication unit 110 of the game server 100 may transmit an inquiry query to the blockchain network 200. And, the node receiving the query in the block chain network 200 can respond to it. In the case of this inquiry (query) operation, since the value stored in the blockchain network can be inquired without changing the blockchain data, the blockchain network 200 does not need to be separately synchronized. Therefore, the node of the block chain network 200 can check its own DB in response to the corresponding inquiry (query) regardless of block synchronization and proceed with a quick response.

According to some embodiments of the present disclosure, the control unit 130 of the game server 100 is. When a smart contract is discovered on the blockchain network 200, a reward corresponding to the discovered smart contract may be provided to the second player node 220 (S123).

As an example, the control unit 130 of the game server 100, according to the searched smart contract, when participating in the hunting party play or guild play, the reward (item or goods) contracted to be paid to the second player node 220 can be provided to

As another example, the control unit 130 of the game server 100 may provide the second player node 220 with the contracted reward (item or goods) to be paid when the bet is won according to the searched smart contract. can

According to some embodiments of the present disclosure, the controller 130 of the game server 100 may generate the first transaction as the reward is provided to the second player node 220 ( S124 ). Also, the controller 130 may control the communication unit 110 to transmit the first transaction to at least one player node included in the block chain network 200 .

In this case, each of the plurality of player nodes included in the blockchain network 200 may verify the first transaction received from the game server 100 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a second block and record the first transaction in the second block when the first transaction is verified through the consensus algorithm.

That is, since the compensation payment histories according to the custom contract implemented in the game server 100 can be stored in a transaction in the corresponding blockchain network, reliability and integrity for the execution of the custom contract can be secured.

4 is a flowchart illustrating an example of generating a transaction and transmitting the transaction to at least one player node included in the blockchain network as the game server modifies game information according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the control unit 130 of the game server 100 may receive a game information modification request signal from the developer node 230 included in the blockchain network 200 through the communication unit 110 . There is (S131). Here, the game information modification request signal may include information for requesting modification of at least one of information about a game item, information about a game monster, information about a game map, and information about a game quest. However, the game information correction request signal is not limited to the above-described example.

According to some embodiments of the present disclosure, the controller 130 of the game server 100 may verify the developer node 230 upon receiving the game information correction request signal from the developer node 230 ( S132 ). ).

Specifically, the controller 130 may control the communication unit 110 to transmit an identification information request signal capable of identifying whether a developer node is a preset developer node to the developer node 230 upon receiving the game information modification request signal. have. Also, the control unit 130 may receive identification information corresponding to the identification information request signal from the developer node 230 through the communication unit 110 . In this case, the controller 130 may compare the received identification information of the developer node 230 with the identification information previously stored in the storage unit 120 . In addition, when the identification information of the developer node 230 matches any one of the previously stored identification information, the controller 130 may recognize the developer node 230 as a verified node. Here, the preset identification information is identification information of each node of a game service manager (eg, a game developer and a game operator), and may be pre-stored in the storage unit 120 of the game server 100 .

According to some embodiments of the present disclosure, when the controller 130 of the game server 100 recognizes that the developer node 230 is a verified node (S132, Yes), based on the game information correction request signal, game information can be modified (S133).

For example, based on the game information correction request signal, the controller 130 may modify at least one of the specification of the game item, the specification of the game monster, the terrain of the game map, and the difficulty of the game quest.

According to some embodiments of the present disclosure, the controller 130 of the game server 100 may generate a second transaction as game information is modified (S134). In addition, the control unit 130 may transmit the second transaction to at least one node included in the block chain network 200 ( S135 ).

In this case, each of the plurality of player nodes included in the blockchain network 200 may verify the second transaction received from the game server 100 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a third block and record the second transaction in the third block when the second transaction is verified through the consensus algorithm.

That is, since the game information modification histories implemented in the game server 100 can be stored in a transaction in the corresponding blockchain network, the reliability and integrity of the game information modification can be secured.

Meanwhile, when the controller 130 of the game server 100 recognizes that the developer node 230 is a verified node (S132, No), the controller 130 of the game server 100 may ignore the game information correction request signal. That is, the control unit 130 may prevent game balance destruction that may occur in response to a game information modification request received from an unverified node.

The order of the above-described steps of FIGS. 2 to 4 may be changed if necessary, and at least one or more steps may be omitted or added. In addition, the above-described steps are merely embodiments of the present disclosure, and the scope of the present disclosure is not limited thereto.

5 is a diagram illustrating an example of a game system based on a game server, a master node, and a blockchain network in which various aspects of the present disclosure can be implemented.

In relation to FIG. 5, the contents overlapping with those described above in the description of FIGS. 1 to 4 will not be described again, and will be mainly described below with respect to differences.

According to some embodiments of the present disclosure, a game system may include a game server 100 , a blockchain network 200 , and a master node 300 . However, since the above-described components are not essential for implementing the game system, the game system may have more or fewer components than those listed above.

Here, each of the game server 100 and the master node 300 may include any type of computer system or computer device such as, for example, a microprocessor, a mainframe computer, a digital processor, a portable device and a device controller, and the like. .

According to some embodiments of the present disclosure, the game server 100 receives information on the specification of the smart contract from the master node 300 to recognize whether the specification of the smart contract matches the specification defined in the game API. can Specifically, the game server 100 may recognize whether the code of the smart contract is written as a preset code by executing the smart contract. Specifically, the game server 100 may recognize whether the contents included in the smart contract can be driven in the game. Here, the code of the smart contract may mean a program language and a function written in the program language.

In addition, when the game server 100 recognizes whether the specification of the smart contract matches the specification defined in the game API, the game server 100 sends a signal as to whether the specification of the smart contract matches the specification defined in the game API to the master node ( 300) can be transmitted.

According to some embodiments of the present disclosure, the master node 300 may be at least one preset trusted node among a plurality of player nodes included in the blockchain network 200 . Here, the trusted node may be a node determined in advance by the game server 100 . In addition, the master node 300 may serve as a forwarder between the game server 100 and a plurality of nodes (eg, a player node and a developer node) included in the blockchain network 200 . That is, the master node 300 may transmit the smart contract received from the player node to the game server 100 , and may transmit the game information correction request signal received from the developer node to the game server 100 . In addition, the master node 300 may perform a smart contract and/or transaction verification by performing a consensus algorithm with a plurality of nodes included in the blockchain network 200 .

The master node 300 may issue and store a transaction (smart contract) including a custom contract created by the player while playing the game provided by the game server 100 to the blockchain network, and the master node 300 may Based on the information recorded in the blockchain network for executing the custom contract, the player may recognize whether the player participates in the custom contract or not, and issue a transaction to the blockchain network to store the transaction including the payment of a reward according to the recognized participation. have.

In the description of FIGS. 5 to 8 , each of the game server 100 and the master node 300 are expressed as different entities, but depending on the implementation aspect, the master node 300 in the game server 100 or the blockchain network 200 . may exist. A detailed description of this will be omitted as described above with reference to FIG. 1 .

In some embodiments of the present disclosure, the blockchain network 200 may mean a plurality of nodes operating based on blockchain technology. Here, the block chain technology is a distributed storage technology that stores data to be managed in a plurality of nodes constituting the block chain network using a storage structure in which blocks are connected in a chain form.

The blockchain network 200 may store the transaction transmitted from the master node 300 in a block form based on a predetermined consensus algorithm. Data stored in block form may be shared by a plurality of nodes constituting the blockchain network 200 .

In some exemplary embodiments of the present disclosure, nodes in the blockchain network 200 (master node 300, first player node 210, second player node 220, etc.) are blocks according to a hierarchical structure. It can be operated by the chain core package. The hierarchical structure is: A data layer that defines the structure of data handled in the block chain network 200 and manages data, performs mining to verify the validity of blocks and creates blocks, and fees paid to miners in the mining process Consensus layer in charge of processing, execution layer processing and executing smart contract, common layer implementing and managing P2P network protocol, hash function, digital signature, encoding and common storage, and various applications are created, processed and managed It may contain an application layer.

According to some embodiments of the present disclosure, the game server 100 may include a communication unit, a storage unit, and a control unit. However, since the above-described components are not essential in implementing the game server 100 , the game server 100 may have more or fewer components than those listed above. A description of the components of the game server 100 has been described in detail with reference to FIG. 1 , and detailed descriptions thereof will be omitted below.

According to some embodiments of the present disclosure, the master node 300 may include a communication unit 310 and a control unit 320 . However, since the above-described components are not essential in implementing the master node 300 , the master node 300 may have more or fewer components than those listed above. Here, each component may be configured as a separate chip, module, or device, or may be included in one device.

The communication unit 310 may include one or more modules that enable communication between the master node 300 and the game server 100 or between the master node 300 and the blockchain network 200 . In addition, the communication unit 310 may include one or more modules for connecting the master node 300 to one or more networks.

According to some embodiments of the present disclosure, each of the game server 100, the master node 300, and the blockchain network 200 transmits and receives data for a game system according to some embodiments of the present disclosure through the network. can do. The description of the network has been described in detail with reference to FIG. 1 , and detailed description thereof will be omitted below.

The control unit 320 of the master node 300 generally controls the overall operation of the master node 300 . The controller 330 may provide or process appropriate information or functions to the user by processing input or output signals, data, information, or the like, or driving an application program stored in a storage unit (not shown).

Various embodiments described herein may be implemented in, for example, a computer or similar device-readable recording medium and storage medium using software, hardware, or a combination thereof.

According to the hardware implementation, the embodiments described herein are ASICs (application specific integrated circuits), DSPs (digital signal processors), DSPDs (digital signal processing devices), PLDs (programmable logic devices), FPGAs (field programmable gate arrays, It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and other electrical units for performing functions. The described embodiments may be implemented by the controller 320 itself.

According to the software implementation, embodiments such as the procedures and functions described in this specification may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein. The software code may be implemented as a software application written in a suitable programming language. The software code may be stored in the storage unit and executed by the controller 320 .

According to some embodiments of the present disclosure, the blockchain network 200 may include a master node 300 , a first player node 210 , a second player node 220 , and a developer node 230 . However, the present invention is not limited thereto, and the blockchain network 200 may further include a plurality of nodes. A description of the components of the block chain network 200 has been described in detail with reference to FIG. 1 , and detailed descriptions thereof will be omitted below.

However, for convenience of explanation, a plurality of nodes included in the block chain network 200 may be described below assuming that they are full block chain nodes.

A smart contract according to some embodiments of the present disclosure is a digital language for custom contracts (eg, an operation policy of hunting party play or guild play, transaction contents between at least two or more players, and a betting policy between at least two or more players, etc.) written in , and can run on any computing device. That is, when the code and/or function included in the smart contract is executed, any form of contract (eg, reward for participating in hunting party play or guild play, profit sharing, transaction item, transaction amount, win conditions for bets, rewards for winning bets, etc.) may be implemented.

A smart contract according to some embodiments of the present disclosure is a method of creating a new smart contract, a method of executing a function on a specific smart contract, or a method of transmitting a coin operable in the block chain network 200 may be executed by at least one. In addition, smart contracts can be executed by other contracts or transactions made by externally owned accounts.

A call between smart contracts to implement a custom contract according to some embodiments of the present disclosure may be implemented using a structure called a message. For example, such a message may be generated by the contract account (CA), and may be delivered to another contract when a function is called. In one embodiment, since the message in this case is generated and processed inside the blockchain network 200, unlike a transaction generated in an externally owned account, a separate execution cost such as gas may not be generated.

In implementing a custom contract according to some embodiments of the present disclosure, when synchronizing through a block chain by including a function of a smart contract in a transaction in the form of a compiled code, the information included in the transaction is converted into a code as an input of the function A smart contract can be implemented by executing the expressed function and storing the result in a separate state.

When the function content and function input are shared by a smart contract shared in the blockchain network 200, data integrity can be guaranteed even if the function result is not shared separately.

A plurality of nodes included in the blockchain network 200 may share and store the generated transaction and/or smart contract through the network. In addition, a plurality of nodes can perform a function of recording a transaction in a block when verification of a transaction and/or a smart contract is completed through the consensus algorithm of the block chain technology.

Since smart contracts and/or transactions including custom contract contents are recorded in blocks using the consensus algorithm of block chain technology, it is possible to prevent forgery or falsification of custom contracts.

Meanwhile, the block chain network structure according to some embodiments of the present disclosure may be a public type or a private type. In the case of a public-type blockchain network, it is inefficient in terms of consensus time, transaction processing speed, and efficiency of use of computing resources because verification work has to be performed on all nodes to verify a transaction. There may be advantages in transparency and integrity of the stored data because it is possible. In addition, in the case of a private (or consortium) blockchain, since the operating entity is clear, it has the advantage of being efficient in terms of consensus time, transaction processing speed, and efficiency of use of computing resources, but transparency of the transaction processing process and results There may be advantages in terms of

The consensus algorithm in some embodiments of the present disclosure may be a private or consortium type blockchain network to improve user experience through efficient utilization of computing resources and increase in transaction processing speed, but is not limited thereto. Depending on the implementation aspect, if you want to emphasize the transparency of a transaction or a smart contract more, a public type may be used as the consensus algorithm.

The master node 300 , the first player node 210 , the second player node 220 , and the developer node 230 included in the blockchain network 200 may be associated with a user who wants to access the game server 100 . can

In the present disclosure, the first player node 210 and the second player node 220 may access the game server 100 and play a game provided by the game server 100 . In addition, the first player node 210 and the second player node 220 form a group in the course of performing the game to perform game play, and to store any type of game-related item obtained through group play within the game. can be distributed In the present disclosure, the developer node 230 may modify the game provided by the game server 100 by accessing the game server 100 . A game in the present disclosure may include any type of game, such as a mobile game, a web game, a VR game, a P2P game, an online/offline game, and the like. However, the present invention is not limited thereto.

According to some embodiments of the present disclosure, the first player node 210 of the blockchain network 200 may transmit a smart contract including the content of any custom contract written by the user to the master node 300 . Specifically, the first player node 210 may generate a smart contract that can be operated on the blockchain network 200 using an arbitrary language such as Solidity and transmit it to the master node 300 .

As an example, the smart contract transmitted by the first player node 210 to the master node 300 may include information on an operation policy of a hunting party play or a guild play. Here, the information on the operation policy may include at least one of information on participation conditions, information on participation rewards, information on profit distribution, and information on transfer conditions of party leaders or guild leaders.

As another example, the smart contract transmitted by the first player node 210 to the master node 300 may include information on transaction details between at least two players. Here, the information on the transaction content may include at least one of information on a transaction item and information on a transaction amount.

As another example, the smart contract transmitted by the first player node 210 to the master node 300 may include information on a betting policy between at least two players. Here, the information on the betting policy may include at least one of information on a winning condition of a bet and information on a winning reward of a bet.

According to some embodiments of the present disclosure, when receiving a smart contract from the first player node 210 , the controller 320 of the master node 300 may execute the smart contract. Specifically, the controller 320 may execute the smart contract received from the first player node to recognize information on the spec of the smart contract. In addition, the controller 320 may control the communication unit 310 to transmit information on the specification of the recognized smart contract to the game server 100 . In this case, the game server 100 may recognize whether the specification of the smart contract matches the specification defined in the game API after receiving information on the specification of the smart contract.

On the other hand, the control unit 320 transmits information on the specification of the smart contract to the game server 100 through the communication unit 310 , and then transmits the specification of the smart contract from the game server 100 to the game API (Application Programming Interface). It can receive a signal as to whether or not it matches the defined specification.

Based on the signal received from the game server 100, the control unit 320 of the master node 300 may recognize whether the specification of the smart contract matches the specification defined in the game API. When the control unit 320 recognizes that the specification of the smart contract matches the specification defined in the game API, the control unit 320 transmits the smart contract to at least one player node included in the blockchain network, and is included in the blockchain network 200. When a smart contract is verified through a consensus algorithm in a plurality of nodes (master node 300, first player node 210, second player node 220, etc.), a first block is generated in each of the plurality of nodes, and It can cause the smart contract to be recorded in the first block.

Specifically, when the master node 300 transmits the smart contract to at least one player node included in the blockchain network 200, the game server 100 and the first player's terminal (the first player node 210) ) can create a transaction signed with at least one private key. In addition, the master node 300 may transmit the generated transaction to at least one player node included in the blockchain network 200 . Here, the transaction may include a transaction input value including identification information generated from the private key. In addition, the transaction may include a transaction output value including address information in the smart contract and the blockchain network 200 in which the transaction including the smart contract will be stored.

Meanwhile, each of the plurality of player nodes included in the blockchain network 200 may verify the smart contract received from the master node 300 through a consensus algorithm. In this case, the control unit 320 of the master node 300 may also verify the smart contract through a consensus algorithm. In addition, each of the plurality of player nodes (or the master node 300 ) may create a first block and record the smart contract in the first block when the smart contract is verified through a consensus algorithm.

Specifically, the smart contract extracts a first nonce value that satisfies a first condition in which any one node among a plurality of nodes included in the blockchain network 200, and the first nonce value is obtained from each of the plurality of nodes. When it is recognized as valid, it can be recognized that it has been verified through the consensus algorithm. Here, the preset first condition is to be satisfied when the hash value of the first block generated when the information stored in the header of the first block and the first nonce value are converted through a hash algorithm is less than the difficulty value of the first block. can

According to some embodiments of the present disclosure, the second player node 220 of the blockchain network 200 may transmit a smart contract call signal (query) to the master node 300 . Specifically, the second player node 220 may transmit a smart contract call signal including the contract address of the smart contract generated by the first player node 210 .

As an example, the smart contract call signal transmitted by the second player node 220 to the master node 300 includes a contract address, information that a hunting party play or guild play has been participated, and a reward payment according to the hunting party play or guild play. may contain information.

As another example, the smart contract call signal transmitted by the second player node 220 to the master node 300 may include information about participating in a bet between the contract address and other player nodes and information on bet winning compensation. have.

According to some embodiments of the present disclosure, the contract address of the smart contract may be in hexadecimal. However, the present invention is not limited thereto, and the contract address of the smart contract may have various forms.

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 may search for a smart contract on the blockchain network 200 through the contract address included in the smart contract call signal (query). Also, the master node 300 may provide a reward corresponding to the discovered smart contract to the second player node 220 .

As described above, in relation to the operation of the control unit 320 of the master node 300 transmitting a signal (query) to search for a smart contract, the communication unit 310 of the master node 300 transmits the inquiry query to the blockchain network. 200, and the node receiving the query in the blockchain network 200 may respond to it. In the case of this inquiry (query) operation, since the value stored in the blockchain network can be inquired without changing the blockchain data, the blockchain network 200 does not need to be separately synchronized. Therefore, the node of the block chain network 200 can check its own DB in response to the corresponding inquiry (query) regardless of block synchronization and proceed with a quick response.

The information inquiry query in the present disclosure may be used to inquire information recorded on the blockchain network 200 . Transactions and/or smart contracts in the present disclosure insert new data into the blockchain network 200 or update (modify/change/delete/add) data recorded on the blockchain network 200. can be used

Also, the control unit 320 of the master node 300 may generate the first transaction as the reward corresponding to the smart contract is provided to the second player node 220 . Here, the first transaction may include content in which a reward is provided to the second player node 220 . The master node 300 transmits the first transaction to at least one player node included in the blockchain network 200 so that, when the first transaction is verified through a consensus algorithm, the second block is generated from each of the plurality of player nodes. and cause the first transaction to be written to the second block.

Meanwhile, each of the plurality of player nodes included in the blockchain network 200 may verify the first transaction received from the master node 300 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a second block and record the first transaction in the second block when the first transaction is verified through the consensus algorithm.

Specifically, in the first transaction, any one of the plurality of nodes included in the blockchain network 200 extracts a second nonce value that satisfies a preset second condition, and the second nonce value is a plurality of player nodes. When it is recognized as valid in each, it can be recognized that it has been verified through the consensus algorithm. Here, the preset second condition is to be satisfied when the hash value of the second block generated when the information stored in the header of the second block and the second nonce value are converted through a hash algorithm is less than the difficulty value of the second block. can

Since the smart contract including the custom contract written by the player is recorded in the block using the consensus algorithm of the blockchain technology, the effect of preventing forgery or falsification of the content of the custom contract occurs.

According to some embodiments of the present disclosure, the developer node 230 included in the blockchain network 200 may transmit a game information modification request signal to the master node 300 . Here, the game information modification request signal may be a signal for requesting to modify at least one of information about a game item, information about a game monster, information about a game map, and information about a game quest. However, the game information correction request signal is not limited to the above-described example.

According to some embodiments of the present disclosure, when the control unit 320 of the master node 300 receives a game information modification request signal from the developer node 230 , an identification information request signal capable of verifying the developer node 230 . may control the communication unit 310 to transmit to the developer node 230 . In addition, the control unit 320 of the master node 300 may receive the identification information corresponding to the identification information request signal from the developer node 230 through the communication unit 310 .

The control unit 320 of the master node 300 transmits the identification information and game information correction request signal received from the developer node 230 to the game server 100 to verify the developer node 230 and correct the game information. can cause this to happen.

Meanwhile, the game server 100 may compare the identification information of the developer node received from the master node 300 with the identification information previously stored in the storage of the game server 100 . Also, when the identification information of the developer node 230 matches any one of the previously stored identification information, the game server 100 may recognize the developer node 230 as a verified node. Here, the preset identification information is identification information of each node of a game service manager (eg, a game developer and a game operator), and may be pre-stored in the storage unit of the game server 100 .

Also, when the game server 100 recognizes that the developer node 230 is a verified node, the game server 100 may modify the game information based on the game information correction request signal. Here, the game information modification request signal may include information for requesting modification of at least one of information about a game item, information about a game monster, information about a game map, and information about a game quest. However, the game information correction request signal is not limited to the above-described example.

According to some embodiments of the present disclosure, the game server 100 may transmit a game information modification completion signal to the master node 300 as game information is modified.

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 may receive a game information modification completion signal from the game server 100 through the communication unit 310 . Also, the controller 320 may generate a second transaction upon receiving the game information modification completion signal. In addition, the control unit 320 transmits the second transaction to at least one player node included in the blockchain network 200 so that when the second transaction is verified through a consensus algorithm, the third block in each of the plurality of player nodes , and cause the second transaction to be recorded in the third block.

Meanwhile, each of the plurality of player nodes included in the blockchain network 200 may verify the second transaction received from the master node 300 through a consensus algorithm. In addition, each of the plurality of player nodes may generate a third block and record the second transaction in the third block when the second transaction is verified through the consensus algorithm.

Specifically, in the second transaction, any one of the plurality of nodes included in the blockchain network 200 extracts a third nonce value that satisfies a preset third condition, and the third nonce value is a plurality of player nodes When it is recognized as valid in each, it can be recognized that it has been verified through the consensus algorithm. Here, the preset third condition is to be satisfied when the hash value of the third block generated when the information stored in the header of the third block and the third nonce value are converted through a hash algorithm is less than the difficulty value of the third block. can

Since the second transaction including the game information modification is recorded in the block using the consensus algorithm of the blockchain technology, it is possible to prevent forgery or falsification of the game modification contents.

6 is a flowchart illustrating an example in which a master node records a smart contract received from a player node in a blockchain network according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the first player node 210 included in the blockchain network 200 may transmit a smart contract to the master node 300 ( S211 ). Specifically, the first player node 210 may generate a smart contract that can be operated on the blockchain network 200 using an arbitrary language such as Solidity and transmit it to the master node 300 .

The smart contract that the first player node 210 transmits to the master node 300 may include a custom contract.

As an example, the smart contract may include information on the operation policy of the hunting party play or the guild play. Here, the information on the operation policy may include at least one of information on participation conditions, information on participation rewards, information on profit distribution, and information on transfer conditions of party leaders or guild leaders.

As another example, the smart contract may include information on transaction details between at least two or more players. Here, the information on the transaction content may include at least one of information on a transaction item and information on a transaction amount.

As another example, the smart contract may include information on transaction details between at least two or more players. Here, the information on the transaction content may include at least one of information on a transaction item and information on a transaction amount.

According to some embodiments of the present disclosure, the master node 300 may recognize information about the specification of the smart contract (S212). Specifically, the control unit 320 of the master node 300 may execute the smart contract received from the first player node 210 to recognize information on the specification of the smart contract. Also, the controller 320 may control the communication unit 310 to transmit information on the specification of the smart contract to the game server 100 .

On the other hand, the game server 100 may recognize whether the specification of the smart contract matches the specification defined in the game API (S214). Specifically, the game server 100 may recognize whether the code of the smart contract is written as a preset code by executing the smart contract. Here, the code of the smart contract may mean a program language and a function written in the program language. Also, the game server 100 may transmit information on whether the specification of the smart contract matches the specification defined in the game API to the master node 300 ( S215 ).

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 is a signal for whether the specification of the smart contract matches the specification defined in the game API from the game server 100 through the communication unit 310 can receive In addition, the control unit 320 of the master node 300 may recognize whether the specification of the smart contract matches the specification defined in the game API, based on the signal received from the game server 100 .

When the control unit 320 of the master node 300 recognizes that the specification of the smart contract matches the specification defined in the game API, the control unit 320 may transmit the smart contract to at least one player node included in the blockchain network 200. (S216).

In this case, each of the plurality of player nodes included in the blockchain network 200 may verify the smart contract received from the master node 300 through a consensus algorithm. In addition, the control unit 320 of the master node 300 may also verify the smart contract through a consensus algorithm. In addition, each of the plurality of player nodes (or the master node 300 ) may create a first block and record the smart contract in the first block when the smart contract is verified through a consensus algorithm.

That is, since the smart contract including the custom contract created by the first player node 210 can be shared and recorded in the blockchain network 200, the reliability and integrity of the custom contract can be secured.

On the other hand, when recognizing that the specification of the smart contract does not match the specification defined in the game API, the game server 100 may transmit a signal that the specification of the smart contract does not match to the master node 300 . In this case, the master node 300 may not transmit the smart contract to at least one player node included in the blockchain network 200 . Also, the master node 300 may transmit a signal that the specifications of the smart contract do not match to the first player node 210 that has transmitted the smart contract.

7 is a flowchart illustrating an example in which a master node provides a reward corresponding to a called smart contract to a player node when a master node receives a smart contract call signal from a player node according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the second player node 220 included in the blockchain network 200 may transmit a smart contract call signal (query) to the master node 300 (S221). Specifically, the second player node 220 may transmit a smart contract call signal including the contract address of the smart contract generated by the first player node 210 .

As an example, the smart contract call signal transmitted by the second player node 220 to the master node 300 includes a contract address, information that a hunting party play or guild play has participated, and a reward payment according to the hunting party play or guild play. may contain information.

As another example, the smart contract call signal transmitted by the second player node 220 to the master node 300 may include a contract address, information about participating in a bet between other player nodes, and information on bet winning compensation. have.

According to some embodiments of the present disclosure, the contract address of the smart contract may be in hexadecimal. However, the present invention is not limited thereto, and the contract address of the smart contract may have various forms.

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 may receive a smart contract call signal through the communication unit 310 . In addition, the control unit 320 may search for a smart contract called on the block chain network 200 based on the contract address included in the smart contract call signal (S222).

As described above, in relation to the operation of the control unit 320 of the master node 300 transmitting a signal (query) to search for a smart contract, the communication unit 310 of the master node 300 transmits the inquiry query to the blockchain network. 200, and the node receiving the query in the blockchain network 200 may respond to it. In the case of this inquiry (query) operation, since the value stored in the blockchain network can be inquired without changing the blockchain data, the blockchain network 200 does not need to be separately synchronized. Therefore, the node of the block chain network 200 can check its own DB in response to the corresponding inquiry (query) regardless of block synchronization and proceed with a quick response.

The information inquiry query in the present disclosure may be used to inquire information recorded on the blockchain network 200 . Transactions and/or smart contracts in the present disclosure insert new data into the blockchain network 200 or update (modify/change/delete/add) data recorded on the blockchain network 200. can be used

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 may provide a reward corresponding to the smart contract to the second player node 220 .

As an example, the control unit 320 of the master node 300 sends the reward (item or goods) contracted to be paid when participating in the hunting party play or guild play according to the searched smart contract to the second player node 220 can be provided to

As another example, the control unit 320 of the master node 300 provides the second player node 220 with the contracted reward (item or goods) to be paid when the bet is won according to the searched smart contract. can

Meanwhile, the control unit 320 of the master node 300 may generate the first transaction as the reward is provided to the second player node 220 ( S224 ). Also, the controller 320 may control the communication unit 310 to transmit the first transaction to at least one node included in the block chain network 200 . Here, the first transaction may include content in which a reward is provided to the second player node 220 .

The master node 300 transmits the first transaction to at least one player node included in the blockchain network 200 so that, when the first transaction is verified through a consensus algorithm, the second block is generated from each of the plurality of player nodes. and cause the first transaction to be written to the second block.

In this case, each of the plurality of player nodes included in the blockchain network 200 may verify the first transaction received from the master node 300 through a consensus algorithm. Also, the control unit 320 of the master node 300 may verify the first transaction through a consensus algorithm. In addition, each of the plurality of player nodes (or the master node 300 ) may create a second block and record the first transaction in the second block when the first transaction is verified through the consensus algorithm.

That is, since the compensation payment histories according to the custom contract implemented in the game provided by the game server 100 by the master node 300 can be stored in a transaction in the corresponding blockchain network, the custom contract is executed. reliability and integrity can be secured.

8 is a flowchart illustrating an example in which a master node generates a transaction as game information is modified and transmits it to at least one player node included in a blockchain network according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the developer node 230 included in the blockchain network 200 may transmit a game information correction request signal to the master node 300 ( S231 ). Here, the game information modification request signal may include information for requesting modification of at least one of information about a game item, information about a game monster, information about a game map, and information about a game quest. However, the game information correction request signal is not limited to the above-described example.

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 may receive a game information modification request signal from the developer node 230 through the communication unit 310 . The controller 320 controls the communication unit 310 to transmit an identification information request signal for verifying the developer node 230 to the developer node 230 upon receiving the game information modification request signal from the developer node 230 . can be (S232). Meanwhile, the developer node 230 may transmit identification information corresponding to the identification information request signal to the master node 300 (S233).

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 transmits the identification information and game information correction request information received from the developer node 230 to the game server 100 through the communication unit 310 . can be controlled (S234).

According to some embodiments of the present disclosure, the game server 100 may verify the developer node based on the identification information of the developer node 230 ( S235 ). Specifically, the game server 100 may compare the identification information of the developer node 230 received from the master node 300 with the identification information pre-stored in the storage unit. Also, when the identification information of the developer node 230 matches any one of identification information pre-stored in the storage unit, the game server 100 may recognize the developer node 230 as a verified node. Here, the identification information pre-stored in the storage unit of the game server 100 is identification information of each node of the game service manager (eg, game developer and game operator, etc.), and is stored in the storage unit 120 of the game server 100 in advance. may be stored.

When the verification of the developer node 230 is completed, the game server 100 may correct the game information based on the game information modification request signal (S236). Also, as the game information correction is completed, the game server 100 may transmit a game information correction completion signal to the master node 300 ( S237 ).

According to some embodiments of the present disclosure, the control unit 320 of the master node 300 may generate the second transaction upon receiving the game information modification completion signal through the communication unit 310 ( S238 ). Also, the controller 320 may control the communication unit 310 to transmit the second transaction to at least one node included in the block chain network 200 .

In this case, each of the plurality of player nodes included in the blockchain network 200 may verify the second transaction received from the master node 300 through a consensus algorithm. Also, the control unit 320 of the master node 300 may verify the second transaction through a consensus algorithm. In addition, each of the plurality of player nodes (or the master node 300 ) may generate a third block and record the second transaction in the third block when the second transaction is verified through the consensus algorithm.

That is, since the game information modification histories implemented in the game server 100 by the master node 300 can be stored in a transaction in the corresponding blockchain network, reliability and integrity for game information modification can be secured. have.

The order of the above-described steps of FIGS. 6 to 8 may be changed if necessary, and at least one or more steps may be omitted or added. In addition, the above-described steps are merely embodiments of the present disclosure, and the scope of the present disclosure is not limited thereto.

9 depicts a simplified, general schematic diagram of an exemplary computing environment in which embodiments of the present disclosure may be implemented.

Although the present disclosure has been described above generally in the context of computer-executable instructions that may be executed on one or more computers, those skilled in the art will appreciate that the present disclosure may be implemented in combination with other program modules and/or as a combination of hardware and software. will be.

Generally, modules herein include routines, procedures, programs, components, data structures, etc. that perform particular tasks or implement particular abstract data types. In addition, those skilled in the art will appreciate that the methods of the present disclosure can be applied to single-processor or multiprocessor computer systems, minicomputers, mainframe computers, as well as personal computers, handheld computing devices, microprocessor-based or programmable consumer electronics, etc. (each of which is It will be appreciated that other computer system configurations may be implemented, including those that may operate in connection with one or more associated devices.

The described embodiments of the present disclosure may also be practiced in distributed computing environments where certain tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote memory storage devices.

Computers typically include a variety of computer-readable media. Any medium accessible by a computer can be a computer readable medium, and such computer readable media includes volatile and nonvolatile media, transitory and non-transitory media, removable and non-transitory media. including removable media. By way of example, and not limitation, computer-readable media may include computer-readable storage media and computer-readable transmission media.

Computer-readable storage media includes volatile and non-volatile media, transitory and non-transitory media, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. includes media. A computer-readable storage medium may be RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital video disk (DVD) or other optical disk storage device, magnetic cassette, magnetic tape, magnetic disk storage device, or other magnetic storage device. device, or any other medium that can be accessed by a computer and used to store the desired information.

Computer readable transmission media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and Includes any information delivery medium. The term modulated data signal means a signal in which one or more of the characteristics of the signal is set or changed so as to encode information in the signal. By way of example, and not limitation, computer-readable transmission media includes wired media such as a wired network or direct-wired connection, and wireless media such as acoustic, RF, infrared, and other wireless media. Combinations of any of the above are also intended to be included within the scope of computer-readable transmission media.

An exemplary environment 1100 implementing various aspects of the disclosure is shown including a computer 1102 , the computer 1102 including a processing unit 1104 , a system memory 1106 , and a system bus 1108 . do. The system bus 1108 couples system components, including but not limited to system memory 1106 , to the processing device 1104 . The processing device 1104 may be any of a variety of commercially available processors. Dual processor and other multiprocessor architectures may also be used as processing unit 1104 .

The system bus 1108 may be any of several types of bus structures that may further be interconnected to a memory bus, a peripheral bus, and a local bus using any of a variety of commercial bus architectures. System memory 1106 includes read only memory (ROM) 1110 and random access memory (RAM) 1112 . A basic input/output system (BIOS) is stored in non-volatile memory 1110, such as ROM, EPROM, EEPROM, etc., which is the basic input/output system (BIOS) that helps transfer information between components within computer 1102, such as during startup. contains routines. RAM 1112 may also include high-speed RAM, such as static RAM, for caching data.

The computer 1102 may also be configured with an internal hard disk drive (HDD) 1114 (eg, EIDE, SATA) - this internal hard disk drive 1114 may also be configured for external use within a suitable chassis (not shown). Yes—a magnetic floppy disk drive (FDD) 1116 (eg, for reading from or writing to removable diskette 1118), and an optical disk drive 1120 (eg, a CD-ROM) for reading from, or writing to, disk 1122, or other high capacity optical media such as DVD. The hard disk drive 1114 , the magnetic disk drive 1116 , and the optical disk drive 1120 are connected to the system bus 1108 by the hard disk drive interface 1124 , the magnetic disk drive interface 1126 , and the optical drive interface 1128 , respectively. ) can be connected to Interface 1124 for external drive implementation includes, for example, at least one or both of Universal Serial Bus (USB) and IEEE 1394 interface technologies.

These drives and their associated computer-readable media provide non-volatile storage of data, data structures, computer-executable instructions, and the like. In the case of computer 1102, drives and media correspond to storing any data in a suitable digital format. Although the description of computer-readable storage media above refers to HDDs, removable magnetic disks, and removable optical media such as CDs or DVDs, those skilled in the art will use zip drives, magnetic cassettes, flash memory cards, cartridges, It will be appreciated that other tangible, computer-readable storage media and the like may also be used in the exemplary operating environment and any such media may include computer-executable instructions for performing the methods of the present disclosure. .

A number of program modules may be stored in the drive and RAM 1112 , including an operating system 1130 , one or more application programs 1132 , other program modules 1134 , and program data 1136 . All or portions of the operating system, applications, modules, and/or data may also be cached in RAM 1112 . It will be appreciated that the present disclosure may be implemented in various commercially available operating systems or combinations of operating systems.

A user may enter commands and information into the computer 1102 via one or more wired/wireless input devices, for example, a pointing device such as a keyboard 1138 and a mouse 1140 . Other input devices (not shown) may include a microphone, IR remote control, joystick, game pad, stylus pen, touch screen, and the like. Although these and other input devices are connected to the processing unit 1104 through an input device interface 1142, which is often connected to the system bus 1108, parallel ports, IEEE 1394 serial ports, game ports, USB ports, IR interfaces, It may be connected by other interfaces, etc.

A monitor 1144 or other type of display device is also coupled to the system bus 1108 via an interface, such as a video adapter 1146 . In addition to the monitor 1144, the computer typically includes other peripheral output devices (not shown), such as speakers, printers, and the like.

Computer 1102 may operate in a networked environment using logical connections to one or more remote computers, such as remote computer(s) 1148 via wired and/or wireless communications. Remote computer(s) 1148 may be workstations, server computers, routers, personal computers, portable computers, microprocessor-based entertainment devices, peer devices, or other common network nodes, and are generally Although including many or all of the components described, only memory storage device 1150 is shown for simplicity. The logical connections shown include wired/wireless connections to a local area network (LAN) 1152 and/or a larger network, eg, a wide area network (WAN) 1154 . Such LAN and WAN networking environments are common in offices and companies, and facilitate enterprise-wide computer networks, such as intranets, all of which can be connected to a worldwide computer network, for example, the Internet.

When used in a LAN networking environment, the computer 1102 is connected to the local network 1152 through a wired and/or wireless communication network interface or adapter 1156 . Adapter 1156 may facilitate wired or wireless communication to LAN 1152 , which also includes a wireless access point installed therein for communicating with wireless adapter 1156 . When used in a WAN networking environment, the computer 1102 may include a modem 1158 , connected to a communication server on the WAN 1154 , or otherwise establishing communications over the WAN 1154 , such as over the Internet. have the means A modem 1158 , which may be internal or external and a wired or wireless device, is coupled to the system bus 1108 via a serial port interface 1142 . In a networked environment, program modules described for computer 1102 , or portions thereof, may be stored in remote memory/storage device 1150 . It will be appreciated that the network connections shown are exemplary and other means of establishing a communication link between the computers may be used.

Computer 1102 may be associated with any wireless device or object that is deployed and operates in wireless communication, for example, printers, scanners, desktop and/or portable computers, portable data assistants (PDAs), communications satellites, wireless detectable tags. It operates to communicate with any device or place, and phone. This includes at least Wi-Fi and Bluetooth wireless technologies. Accordingly, the communication may be a predefined structure as in a conventional network or may simply be an ad hoc communication between at least two devices.

Wi-Fi (Wireless Fidelity) makes it possible to connect to the Internet, etc. without a wire. Wi-Fi is a wireless technology such as cell phones that allows these devices, eg, computers, to transmit and receive data indoors and outdoors, ie anywhere within range of a base station. Wi-Fi networks use a radio technology called IEEE 802.11 (a, b, g, etc.) to provide secure, reliable, and high-speed wireless connections. Wi-Fi can be used to connect computers to each other, to the Internet, and to wired networks (using IEEE 802.3 or Ethernet). Wi-Fi networks may operate in unlicensed 2.4 and 5 GHz radio bands, for example, at 11 Mbps (802.11a) or 54 Mbps (802.11b) data rates, or in products that include both bands (dual band). have.

Those of ordinary skill in the art of the present disclosure will recognize that the various illustrative logical blocks, modules, processors, means, circuits and algorithm steps described in connection with the embodiments disclosed herein include electronic hardware, (convenience For this purpose, it will be understood that it may be implemented by various forms of program or design code (referred to herein as "software") or a combination of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. A person skilled in the art of the present disclosure may implement the described functionality in various ways for each specific application, but such implementation decisions should not be interpreted as a departure from the scope of the present disclosure.

The various embodiments presented herein may be implemented as methods, apparatus, or articles of manufacture using standard programming and/or engineering techniques. The term “article of manufacture” includes a computer program, carrier, or media accessible from any computer-readable device. For example, computer-readable storage media include magnetic storage devices (eg, hard disks, floppy disks, magnetic strips, etc.), optical disks (eg, CDs, DVDs, etc.), smart cards, and flash drives. memory devices (eg, EEPROMs, cards, sticks, key drives, etc.). The term “machine-readable medium” includes, but is not limited to, wireless channels and various other media capable of storing, holding, and/or carrying instruction(s) and/or data.

It is understood that the specific order or hierarchy of steps in the presented processes is an example of exemplary approaches. Based on design priorities, it is understood that the specific order or hierarchy of steps in the processes may be rearranged within the scope of the present disclosure. The appended method claims present elements of the various steps in a sample order, but are not meant to be limited to the specific order or hierarchy presented.

The description of the presented embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the present disclosure. Thus, the present disclosure is not intended to be limited to the embodiments presented herein, but is to be construed in the widest scope consistent with the principles and novel features presented herein.

Claims (18)

A computer program stored on a computer-readable storage medium, comprising:
The computer program includes instructions for causing the game server to perform the following operations:
receiving a smart contract from the first player node;
executing the smart contract and recognizing whether the spec of the smart contract matches the spec defined in the game API (Application Programming Interface); and
When the specification of the smart contract matches the specification defined in the game API, the smart contract is transmitted to at least one player node included in the block chain network, and the smart contract in a plurality of player nodes is agreed upon through if verified, generating a first block in each of the plurality of player nodes and causing the smart contract to be recorded in the first block;
comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
receiving a smart contract call signal including a contract address of the smart contract from a second player node;
searching for the smart contract in the blockchain network through the contract address; and
providing a reward corresponding to the discovered smart contract to the second player node;
further comprising,
A computer program stored on a computer-readable storage medium.
3. The method of claim 2,
generating a first transaction as the reward corresponding to the smart contract is provided to the second player node; and
By transmitting the first transaction to at least one player node included in the blockchain network, when the first transaction is verified through a consensus algorithm, a second block is generated in each of the plurality of player nodes, and the second block is generated in each of the plurality of player nodes. causing the first transaction to be written to block 2;
further comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
The operation of recognizing whether the specification of the smart contract matches the specification defined in the game API is,
Recognizing whether the code of the smart contract is written as a preset code; and
when it is recognized that the code of the smart contract is written as the preset code, recognizing that the specification of the smart contract matches the specification defined in the game API;
comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
receiving a game information modification request signal from a developer node;
verifying the developer node; and
if the developer node is verified, modifying game information based on the game information modification request signal;
further comprising,
The game information is
Including at least one of information about the game item, information about the game monster, information about the game map (Map), information about the game quest,
A computer program stored on a computer-readable storage medium.
6. The method of claim 5,
The operation of verifying the developer node is
transmitting an identification information request signal to the developer node upon receiving the game information modification request signal;
receiving identification information corresponding to the identification information request signal from the developer node; and
comparing the received identification information with the previously stored identification information, and recognizing that the developer node is a verified node when the identification information matches any one of the previously stored identification information;
comprising,
A computer program stored on a computer-readable storage medium.
6. The method of claim 5,
generating a second transaction as the game information is modified; and
By transmitting the second transaction to at least one player node included in the blockchain network, when the second transaction is verified through a consensus algorithm, a third block is generated in each of the plurality of player nodes, and the third block is generated. causing the second transaction to be written to block 3;
further comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
The operation of transmitting the smart contract to the at least one player node included in the blockchain network comprises:
generating a transaction signed with a private key of at least one of the game server and the terminal of the first player; and
transmitting the generated transaction to the at least one player node included in the blockchain network;
including,
The transaction is:
a transaction input value including identification information generated from the private key; and
a transaction output value including address information in the blockchain network in which the smart contract and the transaction including the smart contract are to be stored;
comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
The smart contract is
contains information about the operating policy of hunting party play or guild play;
Information on the above operating policy,
At least one of information on participation conditions, information on participation rewards, information on profit distribution, and information on transfer conditions of party leaders or guild leaders,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
The smart contract is
contains information about the contents of a transaction between at least two players;
Information on the transaction details,
Including at least one of information about the transaction item and information about the transaction amount,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
The smart contract is
contains information about betting policies between at least two players;
Information on the above betting policy,
comprising at least one of information about a win condition of the bet and information about a winning reward of the bet,
A computer program stored on a computer-readable storage medium.

A computer program stored on a computer-readable storage medium, comprising:
The computer program includes instructions for causing at least one master node to perform the following operations:
receiving a smart contract from the first player node;
executing the smart contract and recognizing information on the spec of the smart contract;
transmitting information on the specification of the smart contract to a game server, and receiving a signal from the game server as to whether the specification of the smart contract matches a specification defined in a game API (Application Programming Interface);
When the specification of the smart contract matches the specification defined in the game API, the smart contract is transmitted to at least one player node included in the blockchain network, and the smart contract in a plurality of player nodes is executed through a consensus algorithm if verified, generating a first block in each of the plurality of player nodes and causing the smart contract to be recorded in the first block;
comprising,
A computer program stored on a computer-readable storage medium.
13. The method of claim 12,
receiving a smart contract call signal including a contract address of the smart contract from a second player node;
searching for the smart contract in the blockchain network through the contract address; and
providing a reward corresponding to the discovered smart contract to the second player node;
further comprising,
A computer program stored on a computer-readable storage medium.
14. The method of claim 13,
generating a first transaction as the reward corresponding to the smart contract is provided to the second player node; and
By transmitting the first transaction to at least one player node included in the blockchain network, when the first transaction is verified through a consensus algorithm, a second block is generated in each of the plurality of player nodes, and the second block is generated in each of the plurality of player nodes. causing the first transaction to be written to block 2;
further comprising,
A computer program stored on a computer-readable storage medium.
13. The method of claim 12,
receiving a game information modification request signal from a developer node;
transmitting an identification information request signal to the developer node upon receiving the game information modification request signal;
Receiving identification information corresponding to the identification information request signal from the developer node; and
transmitting the identification information and the game information correction request signal to the game server to cause verification of the developer node and correction of game information in the game server;
further comprising,
The game information is
Including at least one of information about the game item, information about the game monster, information about the game map (Map), information about the game quest,
A computer program stored on a computer-readable storage medium.
16. The method of claim 15,
receiving a game information correction completion signal from the game server;
generating a second transaction upon receiving the game information modification completion signal; and
By transmitting the second transaction to at least one player node included in the blockchain network, when the second transaction is verified through a consensus algorithm, a third block is generated in each of the plurality of player nodes, and the third block is generated. causing the second transaction to be written to block 3;
further comprising,
A computer program stored on a computer-readable storage medium.
13. The method of claim 12,
The operation of transmitting the smart contract to the at least one player node included in the blockchain network comprises:
generating a transaction signed with a private key of at least one of the game server and the terminal of the first player; and
transmitting the generated transaction to the at least one player node included in the blockchain network;
including,
The transaction is:
a transaction input value including identification information generated from the private key; and
a transaction output value including address information in the blockchain network in which the smart contract and the transaction including the smart contract are to be stored;
comprising,
A computer program stored on a computer-readable storage medium.
13. The method of claim 12,
the at least one master node,
At least one preset reliable node among the plurality of player nodes included in the blockchain network,
A computer program stored on a computer-readable storage medium.

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