geth.sh

#!/bin/sh

# FIXME: Cannot use set -e since bash is not installed in Dockerfile
# set -e

RETRIES=${RETRIES:-40}
VERBOSITY=${VERBOSITY:-6}

# get the genesis file from the deployer
curl \
    --fail \
    --show-error \
    --silent \
    --retry-connrefused \
    --retry-all-errors \
    --retry $RETRIES \
    --retry-delay 5 \
    $ROLLUP_STATE_DUMP_PATH \
    -o genesis.json

# wait for the dtl to be up, else geth will crash if it cannot connect
curl \
    --fail \
    --show-error \
    --silent \
    --output /dev/null \
    --retry-connrefused \
    --retry $RETRIES \
    --retry-delay 1 \
    $ROLLUP_CLIENT_HTTP

# import the key that will be used to locally sign blocks
# this key does not have to be kept secret in order to be secure
# we use an insecure password ("pwd") to lock/unlock the password
echo "Importing private key"
echo $BLOCK_SIGNER_KEY > key.prv
echo "pwd" > password
geth account import --password ./password ./key.prv

# initialize the geth node with the genesis file
echo "Initializing Geth node"
geth --verbosity="$VERBOSITY" "$@" init genesis.json

# start the geth node
echo "Starting Geth node"
exec geth \
  --verbosity="$VERBOSITY" \
  --password ./password \
  --allow-insecure-unlock \
  --unlock $BLOCK_SIGNER_ADDRESS \
  --mine \
  --miner.etherbase $BLOCK_SIGNER_ADDRESS \
  "$@"