Open Channel Not Ready

home.admin/BBopenChannel.sh

@@ -0,0 +1,167 @@
+#!/bin/bash
+_temp="./download/dialog.$$"
+_error="./.error.out"
+
+# load network and chain info
+network=`cat .network`
+chain=$(sudo -bitcoin ${network}-cli -datadir=/home/bitcoin/.${network} getblockchaininfo | jq -r '.chain')
+
+echo ""
+echo "*** Precheck ***"
+
+# check if chain is in sync
+chainInSync=$(lncli getinfo | grep '"synced_to_chain": true' -c)
+if [ ${chainInSync} -eq 0 ]; then
+  echo "FAIL - 'lncli getinfo' shows 'synced_to_chain': false"
+  echo "Wait until chain is sync with LND and try again."
+  echo ""
+  exit 1
+fi
+
+# check available funding
+confirmedBalance=$(lncli walletbalance | grep '"confirmed_balance"' | cut -d '"' -f4)
+if [ "${network}" = "bitcoin" ]; then
+  if [ ${confirmedBalance} -lt 100 ]; then
+    
+  fi
+elif [ "${network}" = "litecoin" ]; then
+ // 20000 SAT
+ // 546
+ // 616233 SAT
+
+fi
+
+# check number of connected peers
+numConnectedPeers=$(lncli listpeers | grep pub_key -c)
+if [ ${numConnectedPeers} -eq 0 ]; then
+  echo "FAIL - no peers connected on lightning network"
+  echo "You can only open channels to peer nodes to connected to first."
+  echo "Use CONNECT peer option in main menu first."
+  echo ""
+  exit 1
+fi
+
+# let user pick a peer to open a channels with
+OPTIONS=()
+while IFS= read -r grepLine
+do
+  pubKey=$(echo ${grepLine} | cut -d '"' -f4)
+  echo "grepLine(${pubKey})"
+  OPTIONS+=(pubKey "")
+done < <(lncli listpeers | grep pub_key)
+TITLE="Open (Payment) Channel"
+MENU="\nChoose a peer you connected to, to open the channel with: \n "
+pubKey=$(dialog --clear \
+                --title "$TITLE" \
+                --menu "$MENU" \
+                14 73 5 \
+                "${OPTIONS[@]}" \
+                2>&1 >/dev/tty)
+
+clear
+if [ ${#pubKey} -eq 0 ]; then
+ echo "Selected CANCEL"
+ echo ""
+ exit 1
+fi
+
+# find out what is the minimum amount
+minSat=20000
+_error="./.error.out"
+lncli openchannel ${CHOICE} 1 0 2>$_error
+error=`cat ${_error}`
+if [ $(echo "${error}" | grep "channel is too small" -c) -eq 1 ]; then
+  minSat=$(echo "${error}" | tr -dc '0-9')
+fi
+
+# let user enter a amount
+l1="Enter the amount in SATOSHI you want to fund this channel:"
+l2="min required  : ${minSat}"
+l3="max available : ${confirmedBalance}"
+dialog --title "Funding of Channel" \
+--inputbox "$l1\n$l2\n$l3" 10 60 2>$_temp
+amount=$(cat $_temp | xargs | tr -dc '0-9')
+shred $_temp
+if [ ${#amount} -eq 0 ]; then
+  echo "FAIL - not a valid input (${amount})"
+  exit 1
+fi
+
+# build command
+command="lncli openchannel ${#pubKey} ${amount} 0"
+
+# info output
+clear
+echo "******************************"
+echo "Open Channel"
+echo "******************************"
+echo ""
+echo "COMMAND LINE: "
+echo $command
+echo ""
+echo "RESULT:"
+
+# execute command
+result=$($command 2>$_error)
+error=`cat ${_error}`
+echo "result(${result})"
+echo "error(${error})"
+
+exit 1
+
+# on no result
+if [ ${#result} -eq 0 ]; then
+
+  # basic error
+  win=0
+  info="No return value. Error not known."
+
+  # try to get error output
+  result=`cat ${_error}`
+  echo "$result"
+
+  # basic cli error
+  cliError=$(echo "${result}" | grep "[lncli]" -c )
+  if [ ${cliError} -gt 0 ]; then
+    info="Its possible that LND daemon is not running, not configured correct or not connected to the lncli."
+  fi
+
+else
+
+  # when result is available
+  echo "$result"
+
+  # check if the node is now in peer list
+  pubkey=$(echo $_input | cut -d '@' -f1)
+  isPeer=$(lncli listpeers 2>/dev/null| grep "${pubkey}" -c)
+  if [ ${isPeer} -eq 0 ]; then
+
+    # basic error message
+    win=0
+    info="Was not able to establish connection to node."
+
+    # TODO: try to find out more details from cli output
+
+  else
+    info="Perfect - a connection to that node got established :)"
+  fi
+
+fi
+
+# output info
+echo ""
+if [ ${win} -eq 1 ]; then
+  echo "******************************"
+  echo "WIN"
+  echo "******************************"
+  echo "${info}"
+  echo ""
+  echo "Whats next? --> Open a channel with that node."
+else
+  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+  echo "FAIL"
+  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+  echo "${info}"
+fi
+
+echo ""