Open Zeppelin Upgradeable Contracts

This video walks throught an simple example of transparent upgradeable contract using HardHat, ethers.js and Open Zeppelin.

0:00 - Overview 1:44 - Project setup 4:28 - Deploy Box V1 script 7:10 - Execute deploy script 8:29 - Verify Box V1 on Etherscan 9:48 - Setup proxy / implementation on Etherscan 10:47 - Upgrade Box V2 script 11:49 - Execute upgrade script 13:21 - Upgrade demo - call inc()

#Solidity #SmartContract #Ethereum #スマートコントラクト#Upgradeable

Code https://github.com/t4sk/hello-oz-upgradeable

References https://www.youtube.com/watch?v=kWUDTZhxKZI https://www.youtube.com/watch?v=bdXJmWajZRY https://docs.openzeppelin.com/openzeppelin/upgrades https://forum.openzeppelin.com/t/beware-of-the-proxy-learn-how-to-exploit-function-clashing/1070

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