Add ERC20Bridge balance check #73
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… to make sure that extra call cannot be used move escrowed native token in any way. We enforce it by doing native token balance check for bridge before/after the extra call is executed.
gzeoneth
reviewed
Oct 5, 2023
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When withdraw-and-call is used in ERC20 based chains, it is important to make sure that extra call cannot be used to move escrowed native token in any way. We enforce it by doing native token balance check for bridge before/after the extra call is executed.