add helper script to connect to a remote node

scripts/menu.bitcoinrpc.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+clear
+
+echo "See how to prepare a remote node to accept the JoinMarket connection:"
+echo "https://github.com/openoms/joininbox/blob/master/prepare_remote_node.md#prepare-a-remote-node-to-accept-the-joinmarket-connection"  
+echo
+echo "Input the RPC username of the remote bitcoin node:"
+read rpc_user
+echo "Input the RPC password of the remote node:"
+read rpc_pass
+echo "Type or paste the LAN IP or .onion address of the remote node:"
+read rpc_host
+echo "Input the RPC port (8332 by default):"
+read rpc_port 
+
+echo "# Checking the remote RPC connection with curl..."
+echo
+
+function checkRPC {
+tor=""
+if [ $(echo $rpc_addr | grep -c .onion) -gt 0 ]; then
+  tor="torify"
+  echo "# Connecting over Tor..."
+  echo
+fi
+$tor curl --data-binary \
+'{"jsonrpc": "1.0", "id":"# Connected to bitcoinRPC successfully", "method": "getblockcount", "params": [] }' \
+http://$rpc_user:$rpc_pass@$rpc_addr:$rpc_port
+} 
+
+if [ $(checkRPC 2>/dev/null | grep -c "bitcoinRPC") -gt 0 ]; then
+  echo "# Connected to bitcoinRPC successfully"
+  echo
+  echo "# Blockheight on the connected node: $(checkRPC 2>/dev/null|grep "result"|cut -d":" -f2|cut -d"," -f1)"
+  echo
+  python /home/joinmarket/set.bitcoinrpc.py --rpc_user=$rpc_user --rpc_pass=$rpc_pass --rpc_host=$rpc_host --rpc_port=$rpc_port
+else
+  echo "# Could not connect to bitcoinRPC with the error:"
+  echo 
+  checkRPC
+  echo
+  echo "See how to prepare a remote node to accept the JoinMarket connection:"
+  echo "https://github.com/openoms/joininbox/blob/master/prepare_remote_node.md#prepare-a-remote-node-to-accept-the-joinmarket-connection" 
+fi

scripts/menu.sh

@@ -29,7 +29,7 @@ OPTIONS+=(\
   OFFERS "Watch the Order Book locally" \
   "" "" 
   CONFIG "Edit the joinmarket.cfg" \
-  TOOLS "Use other tools and extras"
+  TOOLS "Extra helper functions and Boltzmann"
   UPDATE "Update JoininBox or JoinMarket" \
   "" "" 
   X "Exit to the Command Line" \

scripts/menu.tools.sh

@@ -24,8 +24,8 @@ function getTXID {
 }
 
 # BASIC MENU INFO
-HEIGHT=9
-WIDTH=48
+HEIGHT=8
+WIDTH=49
 CHOICE_HEIGHT=20
 TITLE="Tools"
 MENU=""
@@ -34,7 +34,8 @@ BACKTITLE="JoininBox GUI"
 
 # Basic Options
 OPTIONS+=(\
-  BOLTZMANN "Analyze a transaction"
+  CONNECT "Connect to a remote bitcoin node"\
+  BOLTZMANN "Analyze a transaction"\
 )
 
 CHOICE=$(dialog --clear \
@@ -46,6 +47,12 @@ CHOICE=$(dialog --clear \
                 2>&1 >/dev/tty)
 
 case $CHOICE in
+  CONNECT)
+      /home/joinmarket/menu.bitcoinrpc.sh
+      echo ""            
+      echo "Press ENTER to return to the menu..."
+      read key
+      ;;
   BOLTZMANN)
       installBoltzmann
       getTXID

scripts/set.bitcoinrpc.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+
+import configparser
+import os
+import sys
+import getopt
+
+def main():
+
+    description = "# Setting bitcoinRPC in the joinmarket.cfg"
+    print(description)
+
+    try:
+      opts, args = getopt.getopt(sys.argv[1:], "rphc", ["rpc_user=","rpc_pass=","rpc_host=","rpc_port="])
+    except getopt.GetoptError:
+      print('# Usage:')
+      print('python /home/joinmarket/set.bitcoinrpc.py --rpc_user=$rpc_user --rpc_pass=$rpc_pass --rpc_host=$rpc_host --rpc_port=$rpc_port')
+      sys.exit(2)
+
+    for opt, arg in opts:
+        if opt in ('-r','--rpc_user'):
+            rpc_user = arg
+        elif opt in ('-p','--rpc_pass'):
+            rpc_password = arg
+        elif opt in ('-h','--rpc_host'):
+            rpc_host = arg
+        elif opt in ('-c','--rpc_port'):
+            rpc_port = arg
+        else:
+            assert False, "unhandled option"
+
+    config = configparser.ConfigParser(strict=False, comment_prefixes='/', allow_no_value=True)
+    config.read('/home/joinmarket/.joinmarket/joinmarket.cfg')
+
+    config.set('BLOCKCHAIN','rpc_user',rpc_user)
+    config.set('BLOCKCHAIN','rpc_password',rpc_password)
+    config.set('BLOCKCHAIN','rpc_host',rpc_host)
+    config.set('BLOCKCHAIN','rpc_port',rpc_port)
+
+    with open('/home/joinmarket/.joinmarket/joinmarket.cfg', 'w') as configfile:
+        config.write(configfile)
+
+if __name__ == "__main__":
+    main()

scripts/start.boltzmann.py

@@ -2,19 +2,18 @@
 
 import configparser
 import os
-import signal
 import sys
 import getopt
 
 def main(argv):
 
-    description = "\nBoltzmann - \n\
+    description = "\nBoltzmann - https://code.samourai.io/oxt/boltzmann/\n\
 A python script computing the entropy of Bitcoin transactions and the linkability of their inputs and outputs.\n\
 For a description of the metrics:\n\
 Bitcoin Transactions & Privacy (part 1) : https://gist.github.com/LaurentMT/e758767ca4038ac40aaf\n\
 Bitcoin Transactions & Privacy (part 2) : https://gist.github.com/LaurentMT/d361bca6dc52868573a2\n\
 Bitcoin Transactions & Privacy (part 3) : https://gist.github.com/LaurentMT/e8644d5bc903f02613c6\n"
-
+    os.system('clear')
     print(description)
 
     txids = ''