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nimbus-eth2/scripts/launch_local_testnet.sh

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#!/usr/bin/env bash
# Copyright (c) 2020-2021 Status Research & Development GmbH. Licensed under
# either of:
# - Apache License, version 2.0
# - MIT license
# at your option. This file may not be copied, modified, or distributed except
# according to those terms.
# Mostly a duplication of "tests/simulation/{start.sh,run_node.sh}", but with a focus on
# replicating testnets as closely as possible, which means following the Docker execution labyrinth.
set -e
cd "$(dirname "${BASH_SOURCE[0]}")"/..
####################
# argument parsing #
####################
GETOPT_BINARY="getopt"
if uname | grep -qi darwin; then
# macOS
GETOPT_BINARY="/usr/local/opt/gnu-getopt/bin/getopt"
[[ -f "$GETOPT_BINARY" ]] || { echo "GNU getopt not installed. Please run 'brew install gnu-getopt'. Aborting."; exit 1; }
fi
! ${GETOPT_BINARY} --test > /dev/null
if [ ${PIPESTATUS[0]} != 4 ]; then
echo '`getopt --test` failed in this environment.'
exit 1
fi
OPTS="ht:n:d:g"
LONGOPTS="help,preset:,nodes:,data-dir:,with-ganache,stop-at-epoch:,disable-htop,disable-vc,enable-logtrace,log-level:,base-port:,base-rpc-port:,base-metrics-port:,reuse-existing-data-dir,timeout:,kill-old-processes"
# default values
NUM_NODES="10"
DATA_DIR="local_testnet_data"
USE_HTOP="1"
USE_VC="1"
USE_GANACHE="0"
LOG_LEVEL="DEBUG; TRACE:networking"
BASE_PORT="9000"
BASE_METRICS_PORT="8008"
BASE_RPC_PORT="7000"
REUSE_EXISTING_DATA_DIR="0"
ENABLE_LOGTRACE="0"
STOP_AT_EPOCH_FLAG=""
TIMEOUT_DURATION="0"
CONST_PRESET="mainnet"
KILL_OLD_PROCESSES="0"
print_help() {
cat <<EOF
Usage: $(basename "$0") [OPTIONS] -- [BEACON NODE OPTIONS]
E.g.: $(basename "$0") --nodes ${NUM_NODES} --stop-at-epoch 5 --data-dir "${DATA_DIR}" # defaults
CI run: $(basename "$0") --disable-htop -- --verify-finalization
-h, --help this help message
-n, --nodes number of nodes to launch (default: ${NUM_NODES})
-g, --with-ganache simulate a genesis event based on a deposit contract
-s, --stop-at-epoch stop simulation at epoch (default: infinite)
-d, --data-dir directory where all the node data and logs will end up
(default: "${DATA_DIR}")
--preset Const preset to be (default: mainnet)
--base-port bootstrap node's Eth2 traffic port (default: ${BASE_PORT})
--base-rpc-port bootstrap node's RPC port (default: ${BASE_RPC_PORT})
--base-metrics-port bootstrap node's metrics server port (default: ${BASE_METRICS_PORT})
--disable-htop don't use "htop" to see the nimbus_beacon_node processes
--disable-vc don't use validator client binaries for validators (by default validators are split 50/50 between beacon nodes and validator clients)
--enable-logtrace display logtrace aggasr analysis
--log-level set the log level (default: ${LOG_LEVEL})
--reuse-existing-data-dir instead of deleting and recreating the data dir, keep it and reuse everything we can from it
--timeout timeout in seconds (default: ${TIMEOUT_DURATION} - no timeout)
--kill-old-processes if any process is found listening on a port we use, kill it (default: disabled)
EOF
}
! PARSED=$(${GETOPT_BINARY} --options=${OPTS} --longoptions=${LONGOPTS} --name "$0" -- "$@")
if [ ${PIPESTATUS[0]} != 0 ]; then
# getopt has complained about wrong arguments to stdout
exit 1
fi
# read getopt's output this way to handle the quoting right
eval set -- "$PARSED"
while true; do
case "$1" in
-h|--help)
print_help
exit
;;
-n|--nodes)
NUM_NODES="$2"
shift 2
;;
-d|--data-dir)
DATA_DIR="$2"
shift 2
;;
-g|--with-ganache)
USE_GANACHE="1"
shift
;;
--preset)
CONST_PRESET="$2"
shift 2
;;
--stop-at-epoch)
STOP_AT_EPOCH_FLAG="--stop-at-epoch=$2"
shift 2
;;
--disable-htop)
USE_HTOP="0"
shift
;;
--disable-vc)
USE_VC="0"
shift
;;
--enable-logtrace)
ENABLE_LOGTRACE="1"
shift
;;
--log-level)
LOG_LEVEL="$2"
shift 2
;;
--base-port)
BASE_PORT="$2"
shift 2
;;
--base-rpc-port)
BASE_RPC_PORT="$2"
shift 2
;;
--base-metrics-port)
BASE_METRICS_PORT="$2"
shift 2
;;
--reuse-existing-data-dir)
REUSE_EXISTING_DATA_DIR="1"
shift
;;
--timeout)
TIMEOUT_DURATION="$2"
shift 2
;;
--kill-old-processes)
KILL_OLD_PROCESSES="1"
shift
;;
--)
shift
break
;;
*)
echo "argument parsing error"
print_help
exit 1
esac
done
# when sourcing env.sh, it will try to execute $@, so empty it
EXTRA_ARGS="$@"
if [[ $# != 0 ]]; then
shift $#
fi
if [[ "$REUSE_EXISTING_DATA_DIR" == "0" ]]; then
rm -rf "${DATA_DIR}"
fi
scripts/makedir.sh "${DATA_DIR}"
DEPOSITS_FILE="${DATA_DIR}/deposits.json"
VALIDATORS_DIR="${DATA_DIR}/validators"
scripts/makedir.sh "${VALIDATORS_DIR}"
SECRETS_DIR="${DATA_DIR}/secrets"
scripts/makedir.sh "${SECRETS_DIR}"
NETWORK_DIR="${DATA_DIR}/network_dir"
mkdir -p "${NETWORK_DIR}"
USER_VALIDATORS=8
TOTAL_VALIDATORS=128
HAVE_LSOF=0
# Windows detection
if uname | grep -qiE "mingw|msys"; then
MAKE="mingw32-make"
else
MAKE="make"
which lsof &>/dev/null && HAVE_LSOF=1 || { echo "'lsof' not installed and we need it to check for ports already in use. Aborting."; exit 1; }
fi
# number of CPU cores
if uname | grep -qi darwin; then
NPROC="$(sysctl -n hw.logicalcpu)"
else
NPROC="$(nproc)"
fi
# kill lingering processes from a previous run
if [[ "${HAVE_LSOF}" == "1" ]]; then
for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
for PORT in $(( BASE_PORT + NUM_NODE )) $(( BASE_METRICS_PORT + NUM_NODE )) $(( BASE_RPC_PORT + NUM_NODE )); do
for PID in $(lsof -n -i tcp:${PORT} -sTCP:LISTEN -t); do
echo -n "Found old process listening on port ${PORT}, with PID ${PID}. "
if [[ "${KILL_OLD_PROCESSES}" == "1" ]]; then
echo "Killing it."
kill -9 ${PID} || true
else
echo "Aborting."
exit 1
fi
done
done
done
fi
# Build the binaries
BINARIES="nimbus_beacon_node nimbus_signing_process nimbus_validator_client deposit_contract"
if [[ "$ENABLE_LOGTRACE" == "1" ]]; then
BINARIES="${BINARIES} logtrace"
fi
$MAKE -j ${NPROC} LOG_LEVEL=TRACE NIMFLAGS="${NIMFLAGS} -d:local_testnet -d:const_preset=${CONST_PRESET}" ${BINARIES}
# Kill child processes on Ctrl-C/SIGTERM/exit, passing the PID of this shell
# instance as the parent and the target process name as a pattern to the
# "pkill" command.
cleanup() {
pkill -f -P $$ nimbus_beacon_node &>/dev/null || true
pkill -f -P $$ nimbus_validator_client &>/dev/null || true
sleep 2
pkill -f -9 -P $$ nimbus_beacon_node &>/dev/null || true
pkill -f -9 -P $$ nimbus_validator_client &>/dev/null || true
# Delete the binaries we just built, because these are unusable outside this
# local testnet.
for BINARY in ${BINARIES}; do
rm build/${BINARY}
done
}
trap 'cleanup' SIGINT SIGTERM EXIT
# timeout - implemented with a background job
timeout_reached() {
echo -e "\nTimeout reached. Aborting.\n"
cleanup
}
trap 'timeout_reached' SIGALRM
if [[ "${TIMEOUT_DURATION}" != "0" ]]; then
export PARENT_PID=$$
( sleep ${TIMEOUT_DURATION} && kill -ALRM ${PARENT_PID} ) 2>/dev/null & WATCHER_PID=$!
fi
# deposit and testnet creation
PIDS=""
WEB3_ARG=""
BOOTSTRAP_TIMEOUT=30 # in seconds
DEPOSIT_CONTRACT_ADDRESS="0x0000000000000000000000000000000000000000"
DEPOSIT_CONTRACT_BLOCK="0x0000000000000000000000000000000000000000000000000000000000000000"
RUNTIME_CONFIG_FILE="${DATA_DIR}/config.yaml"
NUM_JOBS=${NUM_NODES}
if [[ "$REUSE_EXISTING_DATA_DIR" == "0" ]]; then
./build/deposit_contract generateSimulationDeposits \
--count=${TOTAL_VALIDATORS} \
--out-validators-dir="${VALIDATORS_DIR}" \
--out-secrets-dir="${SECRETS_DIR}" \
--out-deposits-file="${DEPOSITS_FILE}"
fi
if [[ $USE_GANACHE == "0" ]]; then
GENESIS_OFFSET=30
BOOTSTRAP_IP="127.0.0.1"
./build/nimbus_beacon_node createTestnet \
--data-dir="${DATA_DIR}" \
--deposits-file="${DEPOSITS_FILE}" \
--total-validators=${TOTAL_VALIDATORS} \
--output-genesis="${DATA_DIR}/genesis.ssz" \
--output-bootstrap-file="${DATA_DIR}/bootstrap_nodes.txt" \
--bootstrap-address=${BOOTSTRAP_IP} \
--bootstrap-port=${BASE_PORT} \
--netkey-file=network_key.json \
--insecure-netkey-password=true \
--genesis-offset=${GENESIS_OFFSET} # Delay in seconds
else
echo "Launching ganache"
ganache-cli --blockTime 17 --gasLimit 100000000 -e 100000 --verbose > "${DATA_DIR}/log_ganache.txt" 2>&1 &
PIDS="${PIDS},$!"
WEB3_ARG="--web3-url=ws://localhost:8545"
echo "Deploying deposit contract"
DEPLOY_CMD_OUTPUT=$(./build/deposit_contract deploy $WEB3_ARG)
# https://stackoverflow.com/questions/918886/how-do-i-split-a-string-on-a-delimiter-in-bash
OUTPUT_PIECES=(${DEPLOY_CMD_OUTPUT//;/ })
DEPOSIT_CONTRACT_ADDRESS=${OUTPUT_PIECES[0]}
DEPOSIT_CONTRACT_BLOCK=${OUTPUT_PIECES[1]}
echo Contract deployed at "$DEPOSIT_CONTRACT_ADDRESS":"$DEPOSIT_CONTRACT_BLOCK"
MIN_DELAY=1
MAX_DELAY=5
BOOTSTRAP_TIMEOUT=$(( MAX_DELAY * TOTAL_VALIDATORS ))
./build/deposit_contract sendDeposits \
--deposits-file="${DEPOSITS_FILE}" \
--min-delay=$MIN_DELAY --max-delay=$MAX_DELAY \
$WEB3_ARG \
--deposit-contract=${DEPOSIT_CONTRACT_ADDRESS} > "${DATA_DIR}/log_deposit_maker.txt" 2>&1 &
PIDS="${PIDS},$!"
fi
./scripts/make_prometheus_config.sh \
--nodes ${NUM_NODES} \
--base-metrics-port ${BASE_METRICS_PORT} \
--config-file "${DATA_DIR}/prometheus.yml" || true # TODO: this currently fails on macOS,
# but it can be considered non-critical
echo Wrote $RUNTIME_CONFIG_FILE:
# TODO the runtime config file should be used during deposit generation as well!
tee "$RUNTIME_CONFIG_FILE" <<EOF
PRESET_BASE: ${CONST_PRESET}
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: ${TOTAL_VALIDATORS}
MIN_GENESIS_TIME: 0
GENESIS_DELAY: 10
DEPOSIT_CONTRACT_ADDRESS: ${DEPOSIT_CONTRACT_ADDRESS}
ETH1_FOLLOW_DISTANCE: 1
ALTAIR_FORK_EPOCH: 2
EOF
dump_logs() {
LOG_LINES=20
for LOG in "${DATA_DIR}"/log*.txt; do
echo "Last ${LOG_LINES} lines of ${LOG}:"
tail -n ${LOG_LINES} "${LOG}"
echo "======"
done
}
dump_logtrace() {
if [[ "$ENABLE_LOGTRACE" == "1" ]]; then
find "${DATA_DIR}" -maxdepth 1 -type f -regex '.*/log[0-9]+.txt' | sed -e"s/${DATA_DIR}\//--nodes=/" | sort | xargs ./build/logtrace aggasr --log-dir="${DATA_DIR}" || true
fi
}
NODES_WITH_VALIDATORS=${NODES_WITH_VALIDATORS:-4}
BOOTSTRAP_NODE=0
SYSTEM_VALIDATORS=$(( TOTAL_VALIDATORS - USER_VALIDATORS ))
VALIDATORS_PER_NODE=$(( SYSTEM_VALIDATORS / NODES_WITH_VALIDATORS ))
if [ "${USE_VC:-}" == "1" ]; then
# if using validator client binaries in addition to beacon nodes we will
# split the keys for this instance in half between the BN and the VC
# and the validators for the BNs will be from the first half of all validators
VALIDATORS_PER_NODE=$((VALIDATORS_PER_NODE / 2 ))
NUM_JOBS=$((NUM_JOBS * 2 ))
fi
VALIDATORS_PER_VALIDATOR=$(( (SYSTEM_VALIDATORS / NODES_WITH_VALIDATORS) / 2 ))
VALIDATOR_OFFSET=$((SYSTEM_VALIDATORS / 2))
BOOTSTRAP_ENR="${DATA_DIR}/node${BOOTSTRAP_NODE}/beacon_node.enr"
NETWORK_KEYFILE="../network_key.json"
for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
# Copy validators to individual nodes.
# The first $NODES_WITH_VALIDATORS nodes split them equally between them,
# after skipping the first $USER_VALIDATORS.
NODE_DATA_DIR="${DATA_DIR}/node${NUM_NODE}"
rm -rf "${NODE_DATA_DIR}"
scripts/makedir.sh "${NODE_DATA_DIR}" 2>&1
scripts/makedir.sh "${NODE_DATA_DIR}/validators" 2>&1
scripts/makedir.sh "${NODE_DATA_DIR}/secrets" 2>&1
if [[ $NUM_NODE -lt $NODES_WITH_VALIDATORS ]]; then
if [ "${USE_VC:-}" == "1" ]; then
VALIDATOR_DATA_DIR="${DATA_DIR}/validator${NUM_NODE}"
rm -rf "${VALIDATOR_DATA_DIR}"
scripts/makedir.sh "${VALIDATOR_DATA_DIR}" 2>&1
scripts/makedir.sh "${VALIDATOR_DATA_DIR}/validators" 2>&1
scripts/makedir.sh "${VALIDATOR_DATA_DIR}/secrets" 2>&1
for VALIDATOR in $(ls "${VALIDATORS_DIR}" | tail -n +$(( $USER_VALIDATORS + ($VALIDATORS_PER_VALIDATOR * $NUM_NODE) + 1 + $VALIDATOR_OFFSET )) | head -n $VALIDATORS_PER_VALIDATOR); do
cp -a "${VALIDATORS_DIR}/${VALIDATOR}" "${VALIDATOR_DATA_DIR}/validators/" 2>&1
cp -a "${SECRETS_DIR}/${VALIDATOR}" "${VALIDATOR_DATA_DIR}/secrets/" 2>&1
done
if [[ $OS = "Windows_NT" ]]; then
find "${VALIDATOR_DATA_DIR}" -type f \( -iname "*.json" -o ! -iname "*.*" \) -exec icacls "{}" /inheritance:r /grant:r ${USERDOMAIN}\\${USERNAME}:\(F\) \;
fi
fi
for VALIDATOR in $(ls "${VALIDATORS_DIR}" | tail -n +$(( $USER_VALIDATORS + ($VALIDATORS_PER_NODE * $NUM_NODE) + 1 )) | head -n $VALIDATORS_PER_NODE); do
cp -a "${VALIDATORS_DIR}/${VALIDATOR}" "${NODE_DATA_DIR}/validators/" 2>&1
cp -a "${SECRETS_DIR}/${VALIDATOR}" "${NODE_DATA_DIR}/secrets/" 2>&1
done
if [[ $OS = "Windows_NT" ]]; then
find "${NODE_DATA_DIR}" -type f \( -iname "*.json" -o ! -iname "*.*" \) -exec icacls "{}" /inheritance:r /grant:r ${USERDOMAIN}\\${USERNAME}:\(F\) \;
fi
fi
done
for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
NODE_DATA_DIR="${DATA_DIR}/node${NUM_NODE}"
VALIDATOR_DATA_DIR="${DATA_DIR}/validator${NUM_NODE}"
if [[ ${NUM_NODE} == ${BOOTSTRAP_NODE} ]]; then
# Due to star topology, the bootstrap node must relay all attestations,
# even if it itself is not interested. --subscribe-all-subnets could be
# removed by switching to a fully-connected topology.
BOOTSTRAP_ARG="--netkey-file=${NETWORK_KEYFILE} --insecure-netkey-password=true --subscribe-all-subnets"
else
BOOTSTRAP_ARG="--bootstrap-file=${BOOTSTRAP_ENR}"
if [[ "${CONST_PRESET}" == "minimal" ]]; then
# The fast epoch and slot times in the minimal config might cause the
# mesh to break down due to re-subscriptions happening within the prune
# backoff time
BOOTSTRAP_ARG="${BOOTSTRAP_ARG} --subscribe-all-subnets"
fi
# Wait for the master node to write out its address file
START_TIMESTAMP=$(date +%s)
while [[ ! -f "${BOOTSTRAP_ENR}" ]]; do
sleep 0.1
NOW_TIMESTAMP=$(date +%s)
if [[ "$(( NOW_TIMESTAMP - START_TIMESTAMP - GENESIS_OFFSET ))" -ge "$BOOTSTRAP_TIMEOUT" ]]; then
echo "Bootstrap node failed to start in ${BOOTSTRAP_TIMEOUT} seconds. Aborting."
dump_logs
exit 1
fi
done
fi
./build/nimbus_beacon_node \
--non-interactive \
--nat:extip:127.0.0.1 \
--network="${DATA_DIR}" \
--log-level="${LOG_LEVEL}" \
--log-format=json \
--tcp-port=$(( BASE_PORT + NUM_NODE )) \
--udp-port=$(( BASE_PORT + NUM_NODE )) \
--max-peers=$(( NUM_NODES - 1 )) \
--data-dir="${NODE_DATA_DIR}" \
${BOOTSTRAP_ARG} \
${WEB3_ARG} \
${STOP_AT_EPOCH_FLAG} \
--rest \
--rest-address="127.0.0.1" \
--rest-port="$(( BASE_RPC_PORT + NUM_NODE ))" \
--metrics \
--metrics-address="127.0.0.1" \
--metrics-port="$(( BASE_METRICS_PORT + NUM_NODE ))" \
--doppelganger-detection=off \
${EXTRA_ARGS} \
> "${DATA_DIR}/log${NUM_NODE}.txt" 2>&1 &
if [[ "${PIDS}" == "" ]]; then
PIDS="$!"
else
PIDS="${PIDS},$!"
fi
if [ "${USE_VC:-}" == "1" ]; then
./build/nimbus_validator_client \
--log-level="${LOG_LEVEL}" \
${STOP_AT_EPOCH_FLAG} \
--data-dir="${VALIDATOR_DATA_DIR}" \
--beacon-node="http://127.0.0.1:$((BASE_RPC_PORT + NUM_NODE))" \
> "${DATA_DIR}/log_val${NUM_NODE}.txt" 2>&1 &
fi
done
# give the regular nodes time to crash
sleep 5
BG_JOBS="$(jobs | wc -l | tr -d ' ')"
if [[ "${TIMEOUT_DURATION}" != "0" ]]; then
BG_JOBS=$(( BG_JOBS - 1 )) # minus the timeout bg job
fi
if [[ "$BG_JOBS" != "$NUM_JOBS" ]]; then
echo "$(( NUM_JOBS - BG_JOBS )) nimbus_beacon_node/nimbus_validator_client instance(s) exited early. Aborting."
dump_logs
dump_logtrace
exit 1
fi
# launch htop or wait for background jobs
if [[ "$USE_HTOP" == "1" ]]; then
htop -p "$PIDS"
cleanup
else
FAILED=0
for PID in $(echo "$PIDS" | tr ',' ' '); do
wait "$PID" || FAILED="$(( FAILED += 1 ))"
done
if [[ "$FAILED" != "0" ]]; then
echo "${FAILED} child processes had non-zero exit codes (or exited early)."
dump_logs
dump_logtrace
if [[ "${TIMEOUT_DURATION}" != "0" ]]; then
if uname | grep -qiE "mingw|msys"; then
taskkill //F //PID ${WATCHER_PID}
else
pkill -HUP -P ${WATCHER_PID}
fi
fi
exit 1
fi
fi
dump_logtrace
if [[ "${TIMEOUT_DURATION}" != "0" ]]; then
if uname | grep -qiE "mingw|msys"; then
taskkill //F //PID ${WATCHER_PID}
else
pkill -HUP -P ${WATCHER_PID}
fi
fi
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