From bb17c201d455a2fa12b2dc6f2e9b91e6f7ee3cda Mon Sep 17 00:00:00 2001
From: Jude Nelson <judecn@gmail.com>
Date: Tue, 7 Mar 2017 11:45:25 -0500
Subject: [PATCH] Add a getting-started helper script

---
 get_started.sh | 137 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100755 get_started.sh

diff --git a/get_started.sh b/get_started.sh
new file mode 100755
index 000000000..9c2f05afe
--- /dev/null
+++ b/get_started.sh
@@ -0,0 +1,137 @@
+#!/bin/sh
+
+BLOCKSTACK_VERSION="0.14.1"
+VENV_DIR="$(pwd)/blockstack-$BLOCKSTACK_VERSION"
+LOGPATH="/tmp/blockstack_${BLOCKSTACK_VERSION}_get_started.log"
+
+echo "Welcome to Blockstack!"
+echo "----------------------"
+echo "This script will install Blockstack to a virtual environment at $VENV_DIR."
+echo "A log of this script will be stored to $LOGPATH."
+echo -n "Proceed? (Y/n) "
+read YN
+
+if [ -z "$YN" ] || [ "$YN" = "n" ] || [ "$YN" = "N" ]; then 
+   echo "Exiting..."
+   exit 0
+fi
+
+logecho() {
+   echo "$(date) $1" >> "$LOGPATH"
+   echo "$(date) $1"
+}
+
+exit_with_error() {
+   logecho "$1" >&2
+
+   # exit the virtualenv as well 
+   type deactivate | grep "shell function" && deactivate
+   exit 1
+}
+
+find_header() {
+   HEADER_FILE="$1"
+   logecho "Find header $HEADER_FILE"
+   for HEADER_DIR in "/usr/include" "/usr/local/include" $2; do
+        test -f "$HEADER_DIR"/"$HEADER_FILE"
+        if [ $? -eq 0 ]; then 
+           logecho "Found $HEADER_FILE at $HEADER_DIR/$HEADER_FILE"
+           return 0
+        fi
+   done
+   return 1
+}
+
+find_library() {
+   LIBRARY_PREFIX="$1"
+   logecho "Find library $LIBRARY_PREFIX"
+   for LIBRARY_DIR in "/lib" "/usr/lib" "/usr/local/lib" $2; do
+       ls "$LIBRARY_DIR"/"$LIBRARY_PREFIX".* >/dev/null 2>&1
+       if [ $? -eq 0 ]; then 
+            logecho "Found $LIBRARY_PREFIX at $LIBRARY_DIR/$LIBRARY_PREFIX"
+            return 0
+       fi
+   done
+   return 1
+}
+
+exit_missing_sysdep() {
+   exit_with_error "$1 is required.  You can install it with your system package manager."
+}
+
+exit_missing_executable() {
+   INSTALL_WITH="$2"
+   if [ -z "$INSTALL_WITH" ]; then 
+      INSTALL_WITH="your system package manager"
+   fi
+
+   exit_with_error "Could not find '$1' executable.  You can install it with $INSTALL_WITH"
+}
+
+logecho "Begin Blockstack installation to $VENV_DIR"
+
+# sanity check 
+test -d "$VENV_DIR" && exit_with_error "Directory $VENV_DIR already exists.  Please remove it and try again."
+
+# do some heuristics 
+# should have Python 2.7.x
+test -x "$(which python2)" || exit_missing_executable "Python"
+
+python2 --version 2>&1 | grep "2.7" >/dev/null  || exit_missing_executable "Python2.7"
+
+# should have pip >= 9.0.1
+test -x "$(which pip)" || exit_missing_executable "pip"
+
+# need pip >= 9.0.1
+pip --version 2>&1 | grep "9.0" >/dev/null || exit_missing_executable "pip" "'pip install --upgrade pip'"
+
+# should have virtualenv
+test -x "$(which virtualenv)" || exit_missing_executable "virtualenv" "'pip install virtualenv'"
+
+# need libpython-dev
+find_header "python2.7/Python.h" || exit_missing_sysdep "python-dev"
+
+# need libgmp 
+find_library "libgmp.so" || exit_missing_sysdep "libgmp"
+
+# need libgmp-dev
+find_header "gmp.h" || exit_missing_sysdep "libgmp-dev"
+
+# need libssl 
+find_library "libssl.so" || exit_missing_sysdep "libssl"
+
+# need libcrypto 
+find_library "libcrypto.so" || exit_missing_sysdep "libcrypto"
+
+# need libssl-dev
+find_header "openssl/crypto.h" || exit_missing_sysdep "libssl-dev"
+
+# need libffi
+find_library "libffi.so" || exit_missing_sysdep "libffi"
+
+# need libffi-dev.
+# can be in /usr/lib/libffi-VERSION/include on some systems
+find_header "ffi.h" "/usr/lib/libffi-*/include" || exit_missing_sysdep "libffi-dev"
+
+mkdir "$VENV_DIR" || exit_with_error "Failed to make directory $VENV_DIR"
+virtualenv "$VENV_DIR" 2>&1 | tee -a "$LOGPATH"
+if [ $? -ne 0 ]; then 
+   exit_with_error "Failed to set up virtualenv.  Logfile in $LOGPATH"
+fi
+
+source "$VENV_DIR"/bin/activate || exit_with_error "Failed to activate virtualenv.  Logfile in $LOGPATH"
+
+pip install blockstack 2>&1 | tee -a "$LOGPATH" || exit_with_error "Failed to install blockstack.  Logfile in $LOGPATH"
+
+# test blockstack 
+test -x "$(which blockstack)" || exit_with_error "Failed to find installed blockstack program.  Logfile in $LOGPATH"
+
+blockstack --version 2>/dev/null | grep "$BLOCKSTACK_VERSION" >/dev/null || exit_with_error "Could not find blockstack $BLOCKSTACK_VERSION.  Logfile in $LOGPATH."
+
+logecho "Blockstack $BLOCKSTACK_VERSION installed to $VENV_DIR."
+echo ""
+echo "Success!  Activate virtualenv with 'source $VENV_DIR/bin/activate' to run 'blockstack'"
+echo ""
+
+exit 0
+