status-im/nimbus-eth2
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nimbus-eth2/scripts/README.md
Zahary Karadjov f5e9b9a922 Allow running local nodes without attached validators 
The number of user nodes is now specified with `USER_NODES`.

To make the instructions more stable, the "numeric id" of the user
nodes will be starting from 0 (so you can always use `run_node.sh 0`
to start a user node).

If you specify a node index above the total number of nodes, you'll
launch a node without any validators attached (this is useful for
testing the sync for example).
2019-11-11 23:29:36 +00:00

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Work in progress. Things may and probably will break for the foreseeable future. Do not rely on this for anything.

Connecting to Testnet

To connect to a short-lived testnet we may or may not have running at the moment, use the connect_to_testnet script like so:

scripts/connect_to_testnet.sh testnet0

Running your own testnet

The beacon_node binary has a createTestnet command.

  nim c -r beacon_chain/beacon_node \
    --data-dir=$NETWORK_DIR/data \
    createTestnet \
    --validators-dir=$NETWORK_DIR \
    --total-validators=$VALIDATOR_COUNT \
    --last-user-validator=$LAST_USER_VALIDATOR \
    --output-genesis=$NETWORK_DIR/genesis.ssz \
    --output-bootstrap-file=$NETWORK_DIR/bootstrap_nodes.txt \
    --bootstrap-address=$PUBLIC_IP \
    --genesis-offset=600 # Delay in seconds

Replace ENV vars with values that make sense to you.

Full tutorial coming soon.

Maintaining the Status testnets

For detailed instructions, please see https://github.com/status-im/nimbus-private/blob/master/testnets-maintenance.md