I create an windows application and give the user the installation pack for it. So now I need to fix some bugs and give a revised version to the user but I don't want them to reinstall it. So how can I create a fix and distribute it?
Another method for upgrading smart contracts is to separate business logic and data storage into separate contracts. This means users interact with the logic contract, while data is stored in the storage contract. The logic contract contains the code executed when users interact with the application.
Smart contracts in Ethereum are immutable by default. Once you create them there is no way to alter them, effectively acting as an unbreakable contract among participants.
OpenZeppelin is an open-source framework to build secure smart contracts. OpenZeppelin provides a complete suite of security products and audit services to build, manage, and inspect all aspects of software development and operations for decentralized applications.
TransparentUpgradeableProxy : A proxy with a built in admin and upgrade interface. UUPSUpgradeable : An upgradeability mechanism to be included in the implementation contract.
ClickOnce will greatly simplify this process of installation/upgrade. You may have to reinstall the application once through ClickOnce, but after that, upgrades will be easily provided. Explanations here.
Create a new installer that will overwrite old files with the new files. or consider using click once deployment
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