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nimbus-eth2/scripts/launch_local_testnet.sh

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#!/bin/bash
# Copyright (c) 2020 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 --test > /dev/null
if [ ${PIPESTATUS[0]} != 4 ]; then
echo '`getopt --test` failed in this environment.'
exit 1
fi
OPTS="hgt:n:d:"
LONGOPTS="help,testnet:,nodes:,data-dir:,disable-htop,log-level:,base-port:,base-metrics-port:,with-ganache"
# default values
TESTNET="1"
NUM_NODES="10"
DATA_DIR="local_testnet_data"
USE_HTOP="1"
USE_GANACHE="0"
LOG_LEVEL="DEBUG"
BASE_PORT="9000"
BASE_METRICS_PORT="8008"
print_help() {
cat <<EOF
Usage: $(basename $0) --testnet <testnet number> [OTHER OPTIONS] -- [BEACON NODE OPTIONS]
E.g.: $(basename $0) --testnet ${TESTNET} --nodes ${NUM_NODES} --data-dir "${DATA_DIR}" # defaults
CI run: $(basename $0) --disable-htop -- --verify-finalization --stop-at-epoch=5
-h, --help this help message
-t, --testnet testnet number (default: ${TESTNET})
-n, --nodes number of nodes to launch (default: ${NUM_NODES})
-g, --with-ganache simulate a genesis event based on a deposit contract
-d, --data-dir directory where all the node data and logs will end up
(default: "${DATA_DIR}")
--base-port bootstrap node's Eth2 traffic port (default: ${BASE_PORT})
--base-metrics-port bootstrap node's metrics server port (default: ${BASE_METRICS_PORT})
--disable-htop don't use "htop" to see the beacon_node processes
--log-level set the log level (default: ${LOG_LEVEL})
EOF
}
! PARSED=$(getopt --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
;;
-t|--testnet)
TESTNET="$2"
shift 2
;;
-n|--nodes)
NUM_NODES="$2"
shift 2
;;
-d|--data-dir)
DATA_DIR="$2"
shift 2
;;
--disable-htop)
USE_HTOP="0"
shift
;;
-g|--with-ganache)
USE_GANACHE="1"
shift
;;
--log-level)
LOG_LEVEL="$2"
shift 2
;;
--base-port)
BASE_PORT="$2"
shift 2
;;
--base-metrics-port)
BASE_METRICS_PORT="$2"
shift 2
;;
--)
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 $#
fi
NETWORK="testnet${TESTNET}"
rm -rf "${DATA_DIR}"
DEPOSITS_DIR="${DATA_DIR}/deposits_dir"
mkdir -p "${DEPOSITS_DIR}"
SECRETS_DIR="${DATA_DIR}/secrets"
mkdir -p "${SECRETS_DIR}"
NETWORK_DIR="${DATA_DIR}/network_dir"
mkdir -p "${NETWORK_DIR}"
set -a
source "scripts/${NETWORK}.env"
set +a
# Windows detection
if uname | grep -qiE "mingw|msys"; then
MAKE="mingw32-make"
else
MAKE="make"
fi
NETWORK_NIM_FLAGS=$(scripts/load-testnet-nim-flags.sh ${NETWORK})
$MAKE LOG_LEVEL="${LOG_LEVEL}" NIMFLAGS="-d:insecure -d:testnet_servers_image ${NETWORK_NIM_FLAGS}" beacon_node
PIDS=""
WEB3_ARG=""
STATE_SNAPSHOT_ARG=""
BOOTSTRAP_TIMEOUT=10 # in seconds
DEPOSIT_CONTRACT_ADDRESS="0x0000000000000000000000000000000000000000"
DEPOSIT_CONTRACT_BLOCK="0x0000000000000000000000000000000000000000000000000000000000000000"
NETWORK_METADATA_FILE="${DATA_DIR}/network.json"
./build/beacon_node deposits create \
--count=${TOTAL_VALIDATORS} \
--out-deposits-dir="${DEPOSITS_DIR}" \
--out-secrets-dir="${SECRETS_DIR}" \
--dont-send
if [[ $USE_GANACHE == "0" ]]; then
GENESIS_OFFSET=30
BOOTSTRAP_IP="127.0.0.1"
./build/beacon_node createTestnet \
--data-dir="${DATA_DIR}/node0" \
--validators-dir="${DEPOSITS_DIR}" \
--total-validators=${TOTAL_VALIDATORS} \
--last-user-validator=${USER_VALIDATORS} \
--output-genesis="${NETWORK_DIR}/genesis.ssz" \
--output-bootstrap-file="${NETWORK_DIR}/bootstrap_nodes.txt" \
--bootstrap-address=${BOOTSTRAP_IP} \
--bootstrap-port=${BASE_PORT} \
--genesis-offset=${GENESIS_OFFSET} # Delay in seconds
STATE_SNAPSHOT_ARG="--state-snapshot=${NETWORK_DIR}/genesis.ssz"
else
make deposit_contract
echo "Launching ganache"
ganache-cli --blockTime 17 --gasLimit 100000000 -e 100000 --verbose > "${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=$(( MAX_DELAY * TOTAL_VALIDATORS ))
./build/beacon_node deposits send \
--non-interactive \
--deposits-dir="${DEPOSITS_DIR}" \
--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 $NETWORK_METADATA_FILE:
tee "$NETWORK_METADATA_FILE" <<EOF
{
"runtimePreset": {
"MIN_GENESIS_ACTIVE_VALIDATOR_COUNT": ${TOTAL_VALIDATORS},
"MIN_GENESIS_TIME": 0,
"GENESIS_DELAY": 10,
"GENESIS_FORK_VERSION": "0x00000000"
},
"depositContractAddress": "${DEPOSIT_CONTRACT_ADDRESS}",
"depositContractDeployedAt": "${DEPOSIT_CONTRACT_BLOCK}"
}
EOF
# 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 -P $$ beacon_node &>/dev/null || true
sleep 2
pkill -9 -P $$ beacon_node &>/dev/null || true
}
trap 'cleanup' SIGINT SIGTERM EXIT
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
}
NODES_WITH_VALIDATORS=${NODES_WITH_VALIDATORS:-4}
BOOTSTRAP_NODE=$(( NUM_NODES - 1 ))
SYSTEM_VALIDATORS=$(( TOTAL_VALIDATORS - USER_VALIDATORS ))
VALIDATORS_PER_NODE=$(( SYSTEM_VALIDATORS / NODES_WITH_VALIDATORS ))
for NUM_NODE in $(seq $BOOTSTRAP_NODE -1 0); do
if [[ ${NUM_NODE} == ${BOOTSTRAP_NODE} ]]; then
BOOTSTRAP_ARG=""
else
BOOTSTRAP_ENR="${DATA_DIR}/node${BOOTSTRAP_NODE}/beacon_node.enr"
BOOTSTRAP_ARG="--bootstrap-file=${BOOTSTRAP_ENR}"
# 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
# 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${NUM_NODE}"
mkdir -p "${NODE_DATA_DIR}/validators"
mkdir -p "${NODE_DATA_DIR}/secrets"
if [[ $NUM_NODE -lt $NODES_WITH_VALIDATORS ]]; then
for VALIDATOR in $(ls ${DEPOSITS_DIR} | tail -n +$(( $USER_VALIDATORS + ($VALIDATORS_PER_NODE * $NUM_NODE) + 1 )) | head -n $VALIDATORS_PER_NODE); do
cp -ar "${DEPOSITS_DIR}/$VALIDATOR" "${NODE_DATA_DIR}/validators/"
cp -a "${SECRETS_DIR}/${VALIDATOR}" "${NODE_DATA_DIR}/secrets/"
done
fi
./build/beacon_node \
--non-interactive \
--nat:extip:127.0.0.1 \
--network="${NETWORK_METADATA_FILE}" \
--log-level="${LOG_LEVEL}" \
--tcp-port=$(( BASE_PORT + NUM_NODE )) \
--udp-port=$(( BASE_PORT + NUM_NODE )) \
--data-dir="${NODE_DATA_DIR}" \
${BOOTSTRAP_ARG} \
${STATE_SNAPSHOT_ARG} \
${WEB3_ARG} \
--metrics \
--metrics-address="127.0.0.1" \
--metrics-port="$(( BASE_METRICS_PORT + NUM_NODE ))" \
${EXTRA_ARGS} \
> "${DATA_DIR}/log${NUM_NODE}.txt" 2>&1 &
if [[ "${PIDS}" == "" ]]; then
PIDS="$!"
else
PIDS="${PIDS},$!"
fi
done
# give the regular nodes time to crash
sleep 5
BG_JOBS="$(jobs | wc -l)"
if [[ "$BG_JOBS" != "$NUM_NODES" ]]; then
echo "$((NUM_NODES - BG_JOBS)) beacon_node instance(s) exited early. Aborting."
dump_logs
exit 1
fi
if [[ "$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
exit 1
fi
fi
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