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140 lines
4.0 KiB
140 lines
4.0 KiB
#!/bin/bash
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_temp="./download/dialog.$$"
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_error="./.error.out"
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# load raspiblitz config data (with backup from old config)
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source /mnt/hdd/raspiblitz.conf 2>/dev/null
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if [ ${#network} -eq 0 ]; then network=`cat .network`; fi
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if [ ${#chain} -eq 0 ]; then
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echo "gathering chain info ... please wait"
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chain=$(${network}-cli getblockchaininfo | jq -r '.chain')
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fi
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echo ""
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echo "*** Precheck ***"
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# check if chain is in sync
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chainInSync=$(lncli --chain=${network} --network=${chain}net 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 --chain=${network} --network=${chain}net 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 --chain=${network} --network=${chain}net 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+=(${pubKey} "")
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done < <(lncli --chain=${network} --network=${chain}net listpeers | grep pub_key)
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TITLE="Open (Payment) Channel"
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MENU="\nChoose a peer you connected to, to open the channel with: \n "
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pubKey=$(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 [ ${#pubKey} -eq 0 ]; then
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echo "Selected CANCEL"
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echo ""
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exit 1
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fi
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# find out what is the minimum amount
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# TODO find a better way - also consider dust and channel reserve
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# details see here: https://github.com/btcontract/lnwallet/issues/52
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minSat=20000
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if [ "${network}" = "bitcoin" ]; then
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minSat=250000
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fi
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_error="./.error.out"
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lncli --chain=${network} openchannel --network=${chain}net ${CHOICE} 1 0 2>$_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 --chain=${network} --network=${chain}net 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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if [ ${#error} -gt 0 ]; then
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo "FAIL"
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo "${error}"
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else
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echo "******************************"
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echo "WIN"
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echo "******************************"
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echo "${result}"
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echo ""
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echo "Whats next? --> You need to wait 6 confirmations, for the channel to be ready."
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fundingTX=$(echo "${result}" | grep 'funding_txid' | cut -d '"' -f4)
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if [ "${network}" = "bitcoin" ]; then
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if [ "${chain}" = "main" ]; then
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echo "https://blockexplorer.com/tx/${fundingTX}"
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else
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echo "https://testnet.blockexplorer.com/tx/${fundingTX}"
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fi
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fi
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if [ "${network}" = "litecoin" ]; then
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echo "https://live.blockcypher.com/ltc/tx/${fundingTX}/"
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fi
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fi
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echo ""
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