load_env(){
    GIT_OPENETHEREUM=${GIT_OPENETHEREUM:-https://github.com/openethereum/openethereum}
    
    
    default_openethereum_chain="kitabu" # bloxberg | kitabu
    export OPENETHEREUM_CHAIN=${INSTALL_EVM:-$default_openethereum_chain}
    
    OPENETHEREUM_PATH=${OPENETHEREUM_PATH:-$HOME/.local/bin/openethereum}
    openethereum_dir=`realpath $(dirname $OPENETHEREUM_PATH)`
    
    default_openethereum_config=$HOME/.config/io.parity.ethereum/$OPENETHEREUM_CHAIN
    
    export OPENETHEREUM_CONFIG=${OPENETHEREUM_CONFIG:-$default_openethereum_config}
    default_openethereum_type="binary" # source | binary
    export OPENETHEREUM_TYPE=${OPENETHEREUM_TYPE:-$default_openethereum_type}
}

download_openethereum() {
    dbg $dbg_debug "downloading openethereum node"
    
    openethereum_version="3.3.3"
    if [ ! -f "$PWD/openethereum-linux-v$openethereum_version.zip" ]; then
        wget https://github.com/openethereum/openethereum/releases/download/v$openethereum_version/openethereum-linux-v$openethereum_version.zip
    fi
    unzip openethereum-linux-v$openethereum_version.zip
    rm openethereum-linux-v$openethereum_version.zip
    ./openethereum --version
    mv ./openethereum $openethereum_dir/openethereum
    export OPENETHEREUM_PATH=$openethereum_dir/openethereum
}
build_openethereum() {
    dbg $dbg_debug "building bloxberg node"
    t=`mktemp -d`
    pushd $t
    install_env=1
    git clone $GIT_OPENETHEREUM
    cd openethereum
    git checkout 2662d1925ec794f3ad7c5759b2412ff5128d259b
    rustup install 1.47.0
    cargo build --release --features final
    cp -v $t/target/release/parity $openethereum_dir/openethereum
    export OPENETHEREUM_PATH=$openethereum_dir/openethereum
}
. aux/bdbg/bdbg.sh
. setup_path.sh
# set -o xtrace
load_env

install_env=
if [ ! -f $OPENETHEREUM_PATH ]; then
    # Download and Build parity from git $GIT_OPENETHEREUM
    if [ "$OPENETHEREUM_TYPE" = "source" ]; then
        build_openethereum
    else
        download_openethereum
    fi
else
    dbg $dbg_info "found evm node executable in $OPENETHEREUM_PATH"
fi

#OPENETHEREUM_CONFIG=$HOME/.config/io.parity.ethereum/$OPENETHEREUM_CHAIN
if [ ! -d $OPENETHEREUM_CONFIG ]; then
    install_dir=$(pwd)
    mkdir -vp $OPENETHEREUM_CONFIG
    cd $OPENETHEREUM_CONFIG
    touch ./bootnode.pwd
    read -p "enter a passphrase for your keyfile: " PASSPHRASE
    VANITY_STRING=${VANITY_STRING:-"Kitabu Sarafu Karibu Sana"}
    echo -n "$VANITY_STRING" > ./.vanity
    truncate ./.vanity -s 32 && \
    hexdump -v -n 32 -e '1/1 "%02x"' ./.vanity > ./.extra
    
    WALLET_PASSPHRASE=$PASSPHRASE eth-keyfile -0 > ./keyfile_validator.json
    WALLET_PASSPHRASE=$PASSPHRASE eth-sign-msg -0 -f ./keyfile_validator.json `cat ./.extra` > ./.sig
    WALLET_PASSPHRASE=$PASSPHRASE eth-keyfile -0 -d ./keyfile_validator.json >> ./.extra
    cat ./.sig >> ./.extra
    echo $PASSPHRASE > ./bootnode.pwd
    chmod -v 400 ./bootnode.pwd
    mkdir -vp $OPENETHEREUM_CONFIG/data/keys/kitabu_sarafu
    cp -v ./keyfile_validator.json $OPENETHEREUM_CONFIG/data/keys/kitabu_sarafu/
    echo Changing back to $install_dir
    cd $install_dir
    
    
    # config.json
    export DEV_ETH_ACCOUNT_CONTRACT_DEPLOYER=${DEV_ETH_ACCOUNT_CONTRACT_DEPLOYER:-"0xEb3907eCad74a0013c259D5874AE7f22DcBcC95C"}
    export DEV_ETH_GENESIS_START_GAS=${DEV_ETH_GENESIS_START_GAS:-"0x204fce5e3e25026110000000"}
    export DEV_ETH_ACCOUNT_VALIDATOR="0x$(eth-keyfile -d $OPENETHEREUM_CONFIG/keyfile_validator.json)"
    # export DEV_ETH_ACCOUNT_VALIDATOR="0xFA14198a6dc184D758F3B7308a2a85F361123e85"
    
    # export DEV_ETH_GENESIS_EXTRA_DATA="0x$(cat $OPENETHEREUM_CHAIN/.extra)"
    cp -v var/$OPENETHEREUM_CHAIN/$OPENETHEREUM_CHAIN.json > $OPENETHEREUM_CONFIG/$OPENETHEREUM_CHAIN.json
    
    
    # Bootnode.toml
    export SIGNER_ADDRESS=$DEV_ETH_ACCOUNT_VALIDATOR

    ./aux/bash-templater/templater.sh var/$OPENETHEREUM_CHAIN/bootnode.toml > $OPENETHEREUM_CONFIG/bootnode.toml
    
    if [ -f var/$OPENETHEREUM_CHAIN/bootnodes.txt ] ; then
        cp -v var/$OPENETHEREUM_CHAIN/bootnodes.txt $OPENETHEREUM_CONFIG/
    fi
    
    
    # Systemd
    ./aux/bash-templater/templater.sh systemd/node.service > $HOME/.config/systemd/user/$OPENETHEREUM_CHAIN.service
    ./aux/bash-templater/templater.sh systemd/env/01-$OPENETHEREUM_CHAIN.conf > $HOME/.config/environment.d/01-$OPENETHEREUM_CHAIN.conf
    systemctl --user daemon-reload
    systemctl --user enable $OPENETHEREUM_CHAIN
    systemctl --user start $OPENETHEREUM_CHAIN
else
    echo Found $OPENETHEREUM_CONFIG directory! Skipping
fi


update_path $openethereum_dir

if [ ! -z "$install_env" ]; then
    popd
fi