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Smart contract to usdt (erc20)

2022-02-04 00:24:09 Q & A of Denglian community

Hello ! I wrote a contract Yes, turn erc20_usdt Of , Now use remix_javascript vm call approveofUsdt To authorize . The authorization is over , Then execute the transfer method written in my contract pledgeUsdt, Unable to transfer the token . Report errors :The called function should be payable if you send value and the value you send should be less than your current balance. Debug the transaction to get more information. What is it for? ? Please teach me image.png






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