[Eco Bounty] Mimo Exchange “100%” Button Does Not Account for Gas Fees

📌 Issue Summary

When tapping the “100%” button to use the maximum available balance, the system does not reserve funds for gas fees. As a result, the transaction often fails due to insufficient balance.

📝 Steps to Reproduce

Open Mimo Exchange.

Go to the Swap/Trade section.

Select a token to swap.

Tap the “100%” button to use full balance.

Try to confirm the transaction

❌ Actual Result

The input field uses 100% of available balance.

No amount is reserved for gas/network fees.

Transaction fails with “Insufficient balance for gas” or similar error.

✅ Expected Result

The “100%” button should automatically:

Deduct estimated gas fees.

Leave enough balance for transaction costs.

Transaction should proceed successfully.

📱 Impact

Causes failed transactions.

Wastes user time and gas attempts.

Creates confusion for users, especially beginners.

Wallet Address: io1tkw393kejmxwnd454twc6020sxcyvh5dxqmren

Device & Environment:

-Operating system: Windows 11 Pro

-Device model: A520MHP