mirror of
https://github.com/rootzoll/raspiblitz.git
synced 2024-11-20 18:22:01 +01:00
163 lines
3.9 KiB
Bash
Executable File
163 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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_temp="./download/dialog.$$"
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_error="./.error.out"
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# load network and chain info
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network=`cat .network`
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chain=$(sudo -bitcoin ${network}-cli -datadir=/home/bitcoin/.${network} getblockchaininfo | jq -r '.chain')
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echo ""
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echo "*** Precheck ***"
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# check if chain is in sync
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chainInSync=$(lncli getinfo | grep '"synced_to_chain": true' -c)
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if [ ${chainInSync} -eq 0 ]; then
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echo "FAIL - 'lncli getinfo' shows 'synced_to_chain': false"
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echo "Wait until chain is sync with LND and try again."
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echo ""
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exit 1
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fi
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# check available funding
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confirmedBalance=$(lncli walletbalance | grep '"confirmed_balance"' | cut -d '"' -f4)
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if [ ${confirmedBalance} -eq 0 ]; then
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echo "FAIL - You have 0 SATOSHI in your confirmed LND On-Chain Wallet."
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echo "Please fund your on-chain wallet first and wait until confirmed."
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echo ""
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exit 1
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fi
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# check number of connected peers
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numConnectedPeers=$(lncli listpeers | grep pub_key -c)
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if [ ${numConnectedPeers} -eq 0 ]; then
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echo "FAIL - no peers connected on lightning network"
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echo "You can only open channels to peer nodes to connected to first."
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echo "Use CONNECT peer option in main menu first."
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echo ""
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exit 1
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fi
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# let user pick a peer to open a channels with
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OPTIONS=()
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while IFS= read -r grepLine
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do
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pubKey=$(echo ${grepLine} | cut -d '"' -f4)
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#echo "grepLine(${pubKey})"
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OPTIONS+=(${pubKey} "")
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done < <(lncli listpeers | grep pub_key)
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TITLE="Open (Payment) Channel"
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MENU="\nChoose a peer you connected to, to open the channel with: \n "
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pubKey=$(dialog --clear \
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--title "$TITLE" \
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--menu "$MENU" \
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14 73 5 \
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"${OPTIONS[@]}" \
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2>&1 >/dev/tty)
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clear
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if [ ${#pubKey} -eq 0 ]; then
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echo "Selected CANCEL"
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echo ""
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exit 1
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fi
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# find out what is the minimum amount
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minSat=20000
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_error="./.error.out"
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lncli openchannel ${CHOICE} 1 0 2>$_error
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error=`cat ${_error}`
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if [ $(echo "${error}" | grep "channel is too small" -c) -eq 1 ]; then
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minSat=$(echo "${error}" | tr -dc '0-9')
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fi
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# let user enter a amount
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l1="Amount in SATOSHI to fund this channel:"
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l2="min required : ${minSat}"
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l3="max available : ${confirmedBalance}"
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dialog --title "Funding of Channel" \
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--inputbox "$l1\n$l2\n$l3" 10 60 2>$_temp
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amount=$(cat $_temp | xargs | tr -dc '0-9')
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shred $_temp
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if [ ${#amount} -eq 0 ]; then
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echo "FAIL - not a valid input (${amount})"
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exit 1
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fi
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# build command
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command="lncli openchannel ${#pubKey} ${amount} 0"
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# info output
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clear
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echo "******************************"
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echo "Open Channel"
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echo "******************************"
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echo ""
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echo "COMMAND LINE: "
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echo $command
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echo ""
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echo "RESULT:"
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# execute command
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result=$($command 2>$_error)
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error=`cat ${_error}`
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echo "result(${result})"
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echo "error(${error})"
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exit 1
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# on no result
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if [ ${#result} -eq 0 ]; then
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# basic error
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win=0
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info="No return value. Error not known."
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# try to get error output
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result=`cat ${_error}`
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echo "$result"
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# basic cli error
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cliError=$(echo "${result}" | grep "[lncli]" -c )
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if [ ${cliError} -gt 0 ]; then
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info="Its possible that LND daemon is not running, not configured correct or not connected to the lncli."
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fi
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else
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# when result is available
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echo "$result"
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# check if the node is now in peer list
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pubkey=$(echo $_input | cut -d '@' -f1)
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isPeer=$(lncli listpeers 2>/dev/null| grep "${pubkey}" -c)
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if [ ${isPeer} -eq 0 ]; then
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# basic error message
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win=0
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info="Was not able to establish connection to node."
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# TODO: try to find out more details from cli output
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else
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info="Perfect - a connection to that node got established :)"
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fi
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fi
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# output info
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echo ""
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if [ ${win} -eq 1 ]; then
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echo "******************************"
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echo "WIN"
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echo "******************************"
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echo "${info}"
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echo ""
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echo "Whats next? --> Open a channel with that node."
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else
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo "FAIL"
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo "${info}"
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fi
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echo "" |