watchso

Hot reload Solana programs.

Installation

Install with cargo:

cargo install watchso --locked

Run in the directory of your project:

watchso

This will:

Check whether the necessary tools are installed e.g solana-cli-tools.
Start a Solana test validator if it's not already running.
Update program id(s) if there is a mismatch between the keypair files and the source code.
Build the program(s).
Deploy the program(s).
Hot reload on changes.