Add vin index #22

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6 warnings

unused import: `pivx_rpc::PIVXRpc`

method `get_address_txids` is never used

methods `get_txid_from_vin` and `get_address_txids` are never used

associated function `new` is never used

methods `get_url`, `get_sha256sum`, `get_archive_name`, `decompress_archive`, `get_binary_path`, and `get_binary_args` are never used

associated functions `fetch`, `get_data_dir`, `new_by_path`, and `new_by_fetching` are never used