Improved error handling for trace rpc module.

[kjazgar]

Fixes | Closes | Resolves #

Changes:

Improved error handling for TraceRpcModule when InsufficientBalanceException is thrown.

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
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Testing

Requires testing

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• No

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