mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-22 03:30:35 +00:00
240 lines
7.5 KiB
Bash
Executable File
240 lines
7.5 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 slasher."
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exit 1
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fi
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readonly wrapper_dir="$(dirname "$(get_realpath "${BASH_SOURCE[0]}")")/dist"
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arch=$(uname -m)
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arch=${arch/x86_64/amd64}
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arch=${arch/aarch64/arm64}
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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 -s https://prysmaticlabs.com/releases/latest)
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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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hash shasum 2>/dev/null || {
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echo >&2 "shasum 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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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 $wrapper_dir
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shasum -a 256 -c "${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}-${arch}"
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SLASHER_REAL="${wrapper_dir}/slasher-${prysm_version}-${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 == slasher ]]; then
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if [[ ! -x $SLASHER_REAL ]]; then
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color "34" "Downloading slasher@${prysm_version} to ${SLASHER_REAL} (${reason})"
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file=slasher-${prysm_version}-${system}-${arch}
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curl -L "https://prysmaticlabs.com/releases/${file}" -o $SLASHER_REAL
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curl --silent -L "https://prysmaticlabs.com/releases/${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 $SLASHER_REAL
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else
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color "37" "Slasher is up to date."
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fi
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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=$VALIDATOR_REAL
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;;
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slasher)
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readonly process=$SLASHER_REAL
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;;
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*)
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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 slasher."
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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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