Patent ID: 11893579
Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Field: IT methods for management (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 6:
7. A server for reducing smart contract fees for a decentralized application (DApp), the server comprising:
at least one processor and at least one memory configured to
receive a request reception event generated by a smart contract through a request function called from the smart contract by a user and store a parameter of the received request reception event and a public key of the user in a task queue;
check whether a corresponding request reception event has arrived when a request message containing details of a task to be called by the user is received;
perform a task requested by the user when it is confirmed that the corresponding request reception event has arrived in a certain period of time;
call a state change function for the performed task from the smart contract, receive a transaction result, and then transmit the transaction result to the user; and
control access by the user to check the transaction result and pay, to the smart contract, a fee corresponding to the request reception event through the request function; and
pay, to the smart contract, a fee corresponding to a state change of the smart contract.