feat: configurable faucet address for test-validator #2936
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Problem
When using the solana-test-validator, it should be possible to run this entirely within the localhost space.
Currently there are a few services which listen on
0.0.0.0by default, and have no option to configure to another address.Summary of Changes
This PR fixes the faucet config in the test-validator, so that it runs on localhost + port 9900 (
FAUCET_PORTconstant from the faucet crate).If additional configuration is required, the flag
--rpc-faucet-addresscan be used, which is the same as the flag used in the main validator crate.Example usage if it was required to make the faucet available to other hosts on port 9500:
solana-test-validator --rpc-faucet-address=0.0.0.0:9500The clap arg validator ensures that any value passed will parse into a SocketAddr, otherwise an error is displayed to the user. If the flag isn't used, then the default value mentioned above is used.