Tested on a live devnet via `scripts/test-injection.sh 0`.
ghstack-source-id: 92489c2455e677433414dfa66c6917a577e4c4a5
Pull Request resolved: https://github.com/certusone/wormhole/pull/104
Improved devnet setup to generate deterministic node and guardian keys.
Devnet setup routine that configures a dynamic guardian set on Ethereum.
Configurable number of nodes in Tiltfile.