#!/usr/bin/env bash
# Run a Quantus dev node from the pinned release binary: the same chain the
# integration tests and CI use. Downloads once into .cache/, verifies the
# checksum, and runs `quantus-node --dev` in the foreground with a throwaway
# base path. Ctrl-C stops it and the chain is gone.
#
#   script/dev-node.sh            # start on ws://127.0.0.1:9944
#   script/dev-node.sh --rpc-port 9955
#
# Bump VERSION and SHA256 together; the sha256sums file is in the release.
set -euo pipefail

VERSION="v1.0.1"
SHA256="5880937c2a933b97d9916c5c9e78425d9918c6d7b68abe69de43680f62c13c93"
ARCH="x86_64-unknown-linux-gnu"
URL="https://github.com/Quantus-Network/chain/releases/download/${VERSION}/quantus-node-${VERSION}-${ARCH}.tar.gz"

here="$(cd "$(dirname "$0")/.." && pwd)"
cache="${here}/.cache/quantus-node/${VERSION}"
bin="${cache}/quantus-node"

if [ ! -x "${bin}" ]; then
  mkdir -p "${cache}"
  echo "fetching quantus-node ${VERSION}" >&2
  curl -sSL --fail -o "${cache}/node.tgz" "${URL}"
  echo "${SHA256}  ${cache}/node.tgz" | sha256sum -c - >&2
  tar -xzf "${cache}/node.tgz" -C "${cache}"
  rm -f "${cache}/node.tgz"
  chmod +x "${bin}"
fi

base="$(mktemp -d -t quantus-dev-XXXXXX)"
trap 'rm -rf "${base}"' EXIT
exec "${bin}" --dev --base-path "${base}" --rpc-methods unsafe "$@"