#! /bin/bash
#------------------------------------------------------------------------------
# Bash script to install osx dependencies
#
# The documentation for solidity is hosted at:
#
#     https://docs.soliditylang.org
#
# ------------------------------------------------------------------------------
# This file is part of solidity.
#
# solidity is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# solidity is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with solidity.  If not, see <http://www.gnu.org/licenses/>
#
# (c) 2016-2019 solidity contributors.
# ------------------------------------------------------------------------------

# note that the following directories may be cached by circleci:
# - /usr/local/bin
# - /usr/local/sbin
# - /usr/local/lib
# - /usr/local/include
# - /usr/local/Cellar
# - /usr/local/Homebrew

set -eu

function validate_checksum {
  local package="$1"
  local expected_checksum="$2"

  local actual_checksum
  actual_checksum=$(sha256sum "$package")
  if [[ $actual_checksum != "${expected_checksum}  ${package}" ]]
  then
    >&2 echo "ERROR: Wrong checksum for package $package."
    >&2 echo "Actual:   $actual_checksum"
    >&2 echo "Expected: $expected_checksum"
    exit 1
  fi
}

if [ ! -f /usr/local/lib/libz3.a ] # if this file does not exists (cache was not restored), rebuild dependencies
then
  brew update
  brew upgrade
  brew install boost
  brew install cmake
  brew install wget
  brew install coreutils
  brew install diffutils
  ./scripts/install_obsolete_jsoncpp_1_7_4.sh

  # z3
  z3_version="4.12.1"
  z3_dir="z3-${z3_version}-x64-osx-10.16"
  z3_package="${z3_dir}.zip"
  wget "https://github.com/Z3Prover/z3/releases/download/z3-${z3_version}/${z3_package}"
  validate_checksum "$z3_package" 7601f844de6d906235140d0f76cca58be7ac716f3e2c29c35845aa24b24f73b9
  unzip "$z3_package"
  rm "$z3_package"
  cp "${z3_dir}/bin/libz3.a" /usr/local/lib
  cp "${z3_dir}/bin/z3" /usr/local/bin
  cp "${z3_dir}/include/"* /usr/local/include
  rm -r "$z3_dir"

  # evmone
  evmone_version="0.10.0"
  evmone_package="evmone-${evmone_version}-darwin-x86_64.tar.gz"
  wget "https://github.com/ethereum/evmone/releases/download/v${evmone_version}/${evmone_package}"
  validate_checksum "$evmone_package" 1b7773779287d7908baca6b8d556a98800cbd7d6e5c910b55fa507642bc0a15c
  tar xzpf "$evmone_package" -C /usr/local
  rm "$evmone_package"

fi