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ERC20Paymaster scenario #112

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adeelhasan opened this issue Sep 12, 2023 · 0 comments
Open

ERC20Paymaster scenario #112

adeelhasan opened this issue Sep 12, 2023 · 0 comments

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@adeelhasan
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Hello,

Can the ERC20Paymaster pay for gas with a USDC token if the wallet account has no ether?

The issue I am seeing is that the paymaster expects the transfer of USDC/token to be approved beforehand. However, since the wallet has no ether to start with, how does that approval happen?

In the ERC20Paymaster.t.sol file, on line 104, the wallet is funded with ether and does an approval first (on line 108.)

Maybe the token has to support permit, for this scenario to be supported, or perhaps I am just missing something here.

Thanks.
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@adeelhasan