nimbus-eth2/scripts/start_geth_nodes.sh

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#!/usr/bin/env bash
set -euo pipefail
BASEDIR="$(dirname "${BASH_SOURCE[0]}")"
. "${BASEDIR}/geth_vars.sh"
#These are used in the caller script
GETH_ENODES=()
GETH_HTTP_PORTS=()
GETH_NET_PORTS=()
GETH_WS_PORTS=()
GETH_RPC_PORTS=()
GETH_DATA_DIRS=()
log "Using ${GETH_BINARY}"
for GETH_NUM_NODE in $(seq 0 $(( GETH_NUM_NODES - 1 ))); do
GETH_NET_PORT=$(( GETH_NUM_NODE * GETH_PORT_OFFSET + GETH_BASE_NET_PORT ))
GETH_HTTP_PORT=$(( GETH_NUM_NODE * GETH_PORT_OFFSET + GETH_BASE_HTTP_PORT ))
GETH_WS_PORT=$(( GETH_NUM_NODE * GETH_PORT_OFFSET + GETH_BASE_WS_PORT ))
GETH_AUTH_RPC_PORT=$(( GETH_NUM_NODE * GETH_PORT_OFFSET + GETH_BASE_AUTH_RPC_PORT ))
log "Starting geth node ${GETH_NUM_NODE} on net port ${GETH_NET_PORT} HTTP port ${GETH_HTTP_PORT} WS port ${GETH_WS_PORT}"
GETHDATADIR=$(mktemp -d "${DATA_DIR}"/geth-data-XXX)
GETH_DATA_DIRS+=(${GETHDATADIR})
openssl rand -hex 32 | tr -d "\n" > "${GETHDATADIR}/jwtsecret"
${GETH_BINARY} --http --ws -http.api "engine" --datadir "${GETHDATADIR}" init "${GENESISJSON}"
${GETH_BINARY} --http --ws --http.corsdomain '*' --http.api "eth,net,engine" -ws.api "eth,net,engine" --datadir "${GETHDATADIR}" ${DISCOVER} --port ${GETH_NET_PORT} --http.port ${GETH_HTTP_PORT} --ws.port ${GETH_WS_PORT} --authrpc.port ${GETH_AUTH_RPC_PORT} --authrpc.jwtsecret "${GETHDATADIR}/jwtsecret" &> "${DATA_DIR}/geth-log${GETH_NUM_NODE}.txt" &
sleep 5
NODE_ID=$(${GETH_BINARY} attach --datadir "${GETHDATADIR}" --exec admin.nodeInfo.enode)
GETH_ENODES+=("${NODE_ID}")
GETH_HTTP_PORTS+=("${GETH_HTTP_PORT}")
GETH_NET_PORTS+=("${GETH_NET_PORT}")
GETH_WS_PORTS+=("${GETH_WS_PORT}")
GETH_RPC_PORTS+=("${GETH_AUTH_RPC_PORT}")
done
#Add all nodes as peers
for dir in "${GETH_DATA_DIRS[@]}"
do
for enode in "${GETH_ENODES[@]}"
do
${GETH_BINARY} attach --datadir "${dir}" --exec "admin.addPeer(${enode})"
done
done
log "GETH HTTP Ports: ${GETH_HTTP_PORTS[*]}"