nimbus-eth2/tests/simulation/run_node.sh

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#!/bin/bash
set -eu
. $(dirname $0)/vars.sh
cd "$GIT_ROOT"
DATA_DIR="${SIMULATION_DIR}/node-${1}"
V_PREFIX="${VALIDATORS_DIR}/v$(printf '%06d' ${1})"
PORT=$(printf '5%04d' ${1})
NAT_FLAG="--nat:none"
if [ "${NAT:-}" == "1" ]; then
NAT_FLAG="--nat:any"
fi
FIRST_VALIDATOR_IDX=$(( (NUM_VALIDATORS / ($NUM_NODES + $NUM_MISSING_NODES)) * $1 ))
LAST_VALIDATOR_IDX=$(( (NUM_VALIDATORS / ($NUM_NODES + $NUM_MISSING_NODES)) * ($1 + 1) - 1 ))
mkdir -p $DATA_DIR/validators
rm -f $DATA_DIR/validators/*
pushd $VALIDATORS_DIR
cp $(seq -s " " -f v%07g.privkey $FIRST_VALIDATOR_IDX $LAST_VALIDATOR_IDX) $DATA_DIR/validators
popd
$BEACON_NODE_BIN \
--network:$NETWORK_METADATA_FILE \
--dataDir:$DATA_DIR \
--nodename:${1} \
--tcpPort:$PORT \
--udpPort:$PORT \
$NAT_FLAG \
--stateSnapshot:$SNAPSHOT_FILE