#!/usr/bin/env bash set -ev export BITCOIND_VERSION=0.19.1 if sudo cp ~/bitcoin/bitcoin-$BITCOIND_VERSION/bin/bitcoind /usr/local/bin/bitcoind then echo "found cached bitcoind" else mkdir -p ~/bitcoin && \ pushd ~/bitcoin && \ wget https://bitcoin.org/bin/bitcoin-core-$BITCOIND_VERSION/bitcoin-$BITCOIND_VERSION-x86_64-linux-gnu.tar.gz && \ tar xvfz bitcoin-$BITCOIND_VERSION-x86_64-linux-gnu.tar.gz && \ sudo cp ./bitcoin-$BITCOIND_VERSION/bin/bitcoind /usr/local/bin/bitcoind && \ popd fi