convert decoded big numbers to strings in api response

[iuwqyir]

TL;DR

Added support for converting big numbers to strings in decoded transaction and log data.

What changed?

• Added a new utility function ConvertBigNumbersToString that recursively converts *big.Int and big.Int values to strings
• Updated the Serialize method for DecodedLog to convert big numbers to strings in both indexed and non-indexed parameters
• Updated the Serialize method for DecodedTransaction to convert big numbers to strings in decoded inputs
• Removed unused StripPayload function and related helper functions

How to test?

1. Create a transaction or log that contains big numbers in its decoded data
2. Call the Serialize method on the decoded transaction or log
3. Verify that the big numbers are properly converted to strings in the output

Why make this change?

Big numbers in decoded transaction and log data need to be converted to strings to ensure they can be properly serialized to JSON without precision loss. This is especially important for large numbers that exceed the range of standard JSON number types.

[iuwqyir]

• convert decoded big numbers to strings in api response #193 👈 (View in Graphite)
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