Improvement: Add comprehensive error handling for Web3 transactions

[LaGodxy]

Summary

Web3 transaction errors show generic messages. Map them to user-friendly messages.

Error Codes to Handle

• 4001: User rejected transaction
• -32603: Internal JSON-RPC error
• INSUFFICIENT_FUNDS: Not enough ETH for gas
• UNPREDICTABLE_GAS_LIMIT: Contract will revert
• NETWORK_ERROR: RPC connection failed

[Babigdk]

@Babigdk has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi Maintainer,
I’d like to contribute to resolving this issue. I’m a software engineer with strong experience in computer science and believe I can add value here.
Thank you!

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[Sulex45]

@Sulex45 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi Please i'd like to work on this issue

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[Diaroke]

@Diaroke has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

I would like to work on this issue because I know how to handle it properly. Kindly assign.

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[devonahi]

@devonahi has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hello, I would like to work on this issue

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[Hakimziyech18]

@Hakimziyech18 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi Goodday, Please assign me this so I can resolve it and Earn Points ASAP. Thank you

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