Rust sol dev

Results 4 issues of Rust sol dev

I cant compile but facing issue in test_validator_transaction

While running yarn setup-dev on Ubuntu, I'm encountering a missing file error. I tried creating an empty file and bypassing the check, but it caused errors with NEXT_PUBLIC_CANDY_MACHINE_CONFIG.

I can't successfully run cargo run --bin main -- --cluster mainnet. I get this error during compilation: thread 'main' panicked at 'range end index 422 out of range for slice...

In the event of a failed bundle simulation, the tx_signature field in the JSON response is formatted in snake_case, unlike the other fields which are in camelCase.