How do i check if an account has opted into an application

zedon · February 3, 2022, 9:28pm

How do check if an account has opted to my application(smart contract)

fabrice · February 3, 2022, 10:45pm

Welcome to Algorand:

within a smart contract: Opcodes - Algorand Developer Portal - PyTEAL has a similar solution
from outside, using indexer, use endpoint indexer - Algorand Developer Portal - SDK have functions to call this endpoint

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