tronprotocol/java-tron — reverse-engineered prompt

I want this repo turned into a working TRON node setup that I can actually run without guessing what goes where. Please get it building on Linux or macOS, make sure the right Java version is used, and produce the main runnable jar for a full node. I’d also like a simple way to start it on mainnet, plus an easy option to point it at Nile testnet with the right config file.

Please keep the setup practical for a normal developer machine, explain any hardware limits clearly, and make the run steps very straightforward. If there are helper scripts already in the repo, use them where it makes sense. I want clear commands for build, start, and checking sync progress in the logs. If the toolkit utility is part of the normal build, include that too and briefly say what it is for.

Basically, make this feel like a clean one pass setup of a Java TRON full node from source. Look up current docs online if you need to fill in gaps.