How can I merge Sui coins for a move call without gas issues?

Question

Im trying to make a move call where one argument requires a mutable Coin. My account holds two Sui tokens with balances of .29 and .71. I want to merge these coins first in the transaction and then use the resulting coin to make the move call. However, Im encountering an issue where the transaction complains it cant find a coin for gas after the merge. Is it because Im using both tokens in the transaction, so theyre unavailable for gas? Any ideas on how to resolve this?

Michelle · Answer

Have you tried using merge coins functionality? It could potentially merge your coins without causing any conflicts with gas requirements. This feature was added to reduce the hassle of manual coin management. The process is designed to represent what you want in the transaction while deferring the source of the coins until you build and sign the transaction.

kryptoschain · Answer

You dont need to manage coins manually. You can simply use coinWithBalance, and the SDK will handle finding and merging the coins for you automatically. Try specifying the coin you want to use for paying the fees separately, as this might resolve the issue with the gas. Heres the SDK documentation link for more information: Gas Payment.

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How can I merge Sui coins for a move call without gas issues?

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