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daemon.md

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Care and feeding of your Coda daemon

Right now the default config directory is hardcoded to ~/.mina-config. This will be fixed eventually. In the meantime, you can pass -config-directory to the daemon to look there.

How ports are used

CLI args

The daemon has many options. If you run mina daemon -h, it will explain what they are.

Config file

The daemon will look for a $CONF_DIR/daemon.json on startup. That file should be a single JSON object containing the field daemon: {...}. These settings are overridden by their corresponding command-line flags. See mina daemon -h for more information about them. These flags are supported in the daemon object of the config file:

  • client-port int
  • libp2p-port int
  • rest-port int
  • block-producer-key private-key-file
  • block-producer-pubkey public-key-string
  • block-producer-password string
  • coinbase-receiver public-key-string
  • run-snark-worker public-key-string
  • snark-worker-fee int
  • peers string list. This does not get overridden by -peer arguments. Instead, -peer arguments are added to this list.
  • work-selection seq|rand Choose work sequentially (seq) or randomly (rand)
    (default: seq)
  • work-reassignment-wait int
  • log-received-blocks bool
  • log-txn-pool-gossip bool
  • log-snark-work-gossip bool
  • log-block-creation bool

Environment variables

The daemon will read some environment variables on startup.

MINA_CLIENT_TRUSTLIST is a comma-separated list of CIDR masks, for example 10.0.0.0/8,172.16.0.0/12,192.168.0.0/16 would allow any client on an RFC1918 private network to control the daemon. This list can be edited with mina advanced client-trustlist commands.

There are other environment variables, but they aren't documented yet.