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How can I know if a account exists or not on solana blockchain in frontend?

I am creating PDA accounts which have seeds consisting of user-wallet-publicKey and a static-text In frontend I want to show either user-data if user already created his account or a button to deploy new … user-related-pda-account, for that I want to know if user already created / deployed account related to him or not I am generating PDA-address in frontend like this: const timerProgram = getTimerProgram …
Mahesh Ghamaand's user avatar