Zap borrow
Continuing from #id-4.-select-an-use-case.
Zap borrow enables users to borrow an asset and swap it for any token in one transaction.
Source token: the token to be borrowed from a lending protocol.
Destination token: the token that the user receives.
5. Preview the estimated post-zap-borrow portfolio
By specifying the source token, the source token amount, and the destination token, the function will return the destination token amount, the updated user portfolio, and the logics to be executed.
The logic should be include:
Borrow the source token
Swap the source token to the destination token
6. Obtain the required approval permission and send the router transaction
To perform the logics, certain approvals need to be processed. You may refer to Estimate Router Data and Send Router Transaction for more details.
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