A protocol for automated token exchange on Ethereum
mistergrin posted on June 10, 2020 18:53:57
I used Uniswap v2 exchange for the first time today to swap an ERC20 token for ETH! It worked seamlessly except for 1 very confusing part of their UI/UX experience.
Apparently we need to send a transaction 1st from our MetaMask to let Uniswap's smart contract to interact with our token contract on behalf of us. Then we need to press the "Swap" button AGAIN to actually i
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