mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-22 03:30:35 +00:00
257 lines
8.4 KiB
Bash
Executable File
257 lines
8.4 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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# Use this script to download the latest Prysm release binary.
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# Usage: ./prysm.sh PROCESS [--download-only] FLAGS
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# PROCESS can be one of beacon-chain or validator.
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# FLAGS are the flags or arguments passed to the PROCESS.
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# If --download-only flag is passed, binaries are checked for updates,
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# downloaded if necessary, no process is started.
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# Downloaded binaries are saved to ./dist.
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# Use USE_PRYSM_VERSION to specify a specific release version.
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# Example: USE_PRYSM_VERSION=v0.3.3 ./prysm.sh beacon-chain
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readonly PRYLABS_SIGNING_KEY=0AE0051D647BA3C1A917AF4072E33E4DF1A5036E
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function color() {
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# Usage: color "31;5" "string"
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# Some valid values for color:
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# - 5 blink, 1 strong, 4 underlined
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# - fg: 31 red, 32 green, 33 yellow, 34 blue, 35 purple, 36 cyan, 37 white
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# - bg: 40 black, 41 red, 44 blue, 45 purple
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printf '\033[%sm%s\033[0m\n' "$@"
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}
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# `readlink -f` that works on OSX too.
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function get_realpath() {
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if [ "$(uname -s)" == "Darwin" ]; then
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local queue="$1"
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if [[ "${queue}" != /* ]]; then
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# Make sure we start with an absolute path.
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queue="${PWD}/${queue}"
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fi
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local current=""
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while [ -n "${queue}" ]; do
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# Removing a trailing /.
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queue="${queue#/}"
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# Pull the first path segment off of queue.
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local segment="${queue%%/*}"
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# If this is the last segment.
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if [[ "${queue}" != */* ]]; then
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segment="${queue}"
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queue=""
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else
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# Remove that first segment.
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queue="${queue#*/}"
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fi
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local link="${current}/${segment}"
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if [ -h "${link}" ]; then
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link="$(readlink "${link}")"
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queue="${link}/${queue}"
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if [[ "${link}" == /* ]]; then
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current=""
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fi
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else
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current="${link}"
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fi
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done
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echo "${current}"
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else
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readlink -f "$1"
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fi
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}
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# Complain if no arguments were provided.
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if [ "$#" -lt 1 ]; then
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color "31" "Usage: ./prysm.sh PROCESS FLAGS."
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color "31" " ./prysm.sh PROCESS --download-only."
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color "31" "PROCESS can be beacon-chain, validator, or client-stats."
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exit 1
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fi
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readonly wrapper_dir="$(dirname "$(get_realpath "${BASH_SOURCE[0]}")")/dist"
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# for Apple M1s
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if [ "$(uname -s)" == "Darwin" ] && [ "$(uname -m)" == "arm64" ]
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then
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arch="amd64"
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else
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arch=$(uname -m)
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arch=${arch/x86_64/amd64}
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arch=${arch/aarch64/arm64}
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fi
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readonly os_arch_suffix="$(uname -s | tr '[:upper:]' '[:lower:]')-$arch"
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system=""
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case "$OSTYPE" in
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darwin*) system="darwin" ;;
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linux*) system="linux" ;;
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msys*) system="windows" ;;
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cygwin*) system="windows" ;;
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*) exit 1 ;;
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esac
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readonly system
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if [ "$system" == "windows" ]; then
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arch="amd64.exe"
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elif [[ "$os_arch_suffix" == *"arm64"* ]]; then
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arch="arm64"
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fi
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if [[ "$arch" == "armv7l" ]]; then
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color "31" "32-bit ARM is not supported. Please install a 64-bit operating system."
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exit 1
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fi
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mkdir -p "$wrapper_dir"
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function get_prysm_version() {
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if [[ -n ${USE_PRYSM_VERSION:-} ]]; then
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readonly reason="specified in \$USE_PRYSM_VERSION"
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readonly prysm_version="${USE_PRYSM_VERSION}"
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else
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# Find the latest Prysm version available for download.
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readonly reason="automatically selected latest available version"
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prysm_version=$(curl -f -s https://prysmaticlabs.com/releases/latest) || (color "31" "Starting prysm requires an internet connection. If you are being blocked by your antivirus, you can download the beacon chain and validator executables from our releases page on Github here https://github.com/prysmaticlabs/prysm/releases/" && exit 1)
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readonly prysm_version
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fi
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}
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function verify() {
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file=$1
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skip=${PRYSM_ALLOW_UNVERIFIED_BINARIES-0}
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if [[ $skip == 1 ]]; then
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return 0
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fi
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checkSum="shasum -a 256"
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hash shasum 2>/dev/null || {
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checkSum="sha256sum"
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hash sha256sum 2>/dev/null || {
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echo >&2 "SHA checksum utility not available. Either install one (shasum or sha256sum) or run with PRYSM_ALLOW_UNVERIFIED_BINARIES=1."
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exit 1
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}
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}
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hash gpg 2>/dev/null || {
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echo >&2 "gpg is not available. Either install it or run with PRYSM_ALLOW_UNVERIFIED_BINARIES=1."
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exit 1
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}
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color "37" "Verifying binary integrity."
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gpg --list-keys "$PRYLABS_SIGNING_KEY" >/dev/null 2>&1 || curl --silent https://prysmaticlabs.com/releases/pgp_keys.asc | gpg --import
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(
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cd "$wrapper_dir"
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$checkSum -c "${file}.sha256" || failed_verification
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)
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(
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cd "$wrapper_dir"
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gpg -u "$PRYLABS_SIGNING_KEY" --verify "${file}.sig" "$file" || failed_verification
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)
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color "32;1" "Verified ${file} has been signed by Prysmatic Labs."
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}
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function failed_verification() {
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MSG=$(
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cat <<-END
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Failed to verify Prysm binary. Please erase downloads in the
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dist directory and run this script again. Alternatively, you can use a
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A prior version by specifying environment variable USE_PRYSM_VERSION
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with the specific version, as desired. Example: USE_PRYSM_VERSION=v1.0.0-alpha.5
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If you must wish to continue running an unverified binary, specific the
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environment variable PRYSM_ALLOW_UNVERIFIED_BINARIES=1
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END
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)
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color "31" "$MSG"
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exit 1
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}
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get_prysm_version
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color "37" "Latest Prysm version is $prysm_version."
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BEACON_CHAIN_REAL="${wrapper_dir}/beacon-chain-${prysm_version}-${system}-${arch}"
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VALIDATOR_REAL="${wrapper_dir}/validator-${prysm_version}-${system}-${arch}"
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CLIENT_STATS_REAL="${wrapper_dir}/client-stats-${prysm_version}-${system}-${arch}"
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if [[ $1 == beacon-chain ]]; then
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if [[ ! -x $BEACON_CHAIN_REAL ]]; then
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color "34" "Downloading beacon chain@${prysm_version} to ${BEACON_CHAIN_REAL} (${reason})"
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file=beacon-chain-${prysm_version}-${system}-${arch}
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curl -L "https://prysmaticlabs.com/releases/${file}" -o "$BEACON_CHAIN_REAL"
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curl --silent -L "https://prysmaticlabs.com/releases/${file}.sha256" -o "${wrapper_dir}/${file}.sha256"
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curl --silent -L "https://prysmaticlabs.com/releases/${file}.sig" -o "${wrapper_dir}/${file}.sig"
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chmod +x "$BEACON_CHAIN_REAL"
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else
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color "37" "Beacon chain is up to date."
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fi
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fi
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if [[ $1 == validator ]]; then
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if [[ ! -x $VALIDATOR_REAL ]]; then
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color "34" "Downloading validator@${prysm_version} to ${VALIDATOR_REAL} (${reason})"
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file=validator-${prysm_version}-${system}-${arch}
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curl -L "https://prysmaticlabs.com/releases/${file}" -o "$VALIDATOR_REAL"
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curl --silent -L "https://prysmaticlabs.com/releases/${file}.sha256" -o "${wrapper_dir}/${file}.sha256"
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curl --silent -L "https://prysmaticlabs.com/releases/${file}.sig" -o "${wrapper_dir}/${file}.sig"
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chmod +x "$VALIDATOR_REAL"
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else
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color "37" "Validator is up to date."
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fi
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fi
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if [[ $1 == client-stats ]]; then
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if [[ ! -x $CLIENT_STATS_REAL ]]; then
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color "34" "Downloading client-stats@${prysm_version} to ${CLIENT_STATS_REAL} (${reason})"
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file=client-stats-${prysm_version}-${system}-${arch}
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curl -L "https://prysmaticlabs.com/releases/${file}" -o "$CLIENT_STATS_REAL"
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curl --silent -L "https://prysmaticlabs.com/releases/${file}.sha256" -o "${wrapper_dir}/${file}.sha256"
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curl --silent -L "https://prysmaticlabs.com/releases/${file}.sig" -o "${wrapper_dir}/${file}.sig"
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chmod +x "$CLIENT_STATS_REAL"
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else
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color "37" "Client-stats is up to date."
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fi
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fi
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if [[ $1 == slasher ]]; then
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color "41" "The slasher binary is no longer available. Please use the --slasher flag with your beacon node. See: https://docs.prylabs.network/docs/prysm-usage/slasher/"
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exit 1
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fi
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case $1 in
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beacon-chain)
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readonly process=$BEACON_CHAIN_REAL
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;;
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validator)
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readonly process=$VALIDATOR_REAL
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;;
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client-stats)
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readonly process=$CLIENT_STATS_REAL
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;;
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*)
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color "31" "Process '$1' is not found!"
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color "31" "Usage: ./prysm.sh PROCESS FLAGS."
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color "31" " ./prysm.sh PROCESS --download-only."
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color "31" "PROCESS can be beacon-chain, validator, or client-stats."
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exit 1
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;;
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esac
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verify "$process"
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if [[ "$#" -gt 1 ]] && [[ $2 == --download-only ]]; then
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color "37" "Only download operation is requested, done."
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exit 0
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fi
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color "36" "Starting Prysm $1 ${*:2}"
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exec -a "$0" "${process}" "${@:2}"
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