mirror of
https://github.com/aljazceru/lightning.git
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37 lines
1.1 KiB
Bash
Executable File
37 lines
1.1 KiB
Bash
Executable File
#! /bin/sh
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# Query bitcoind to get (first) unspent output to spend.
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###
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# Nobody should *EVER* write code like this. EVER!!
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###
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BITCOIN_CLI=bitcoin-cli
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set -e
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if [ n"$1" = n--privkey ]; then
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KEY=1
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shift
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fi
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NUM=1
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if [ $# = 1 ]; then
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NUM=$1
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shift
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fi
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if [ $# -gt 0 ]; then
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echo "Usage: getinput.sh [--privkey] [INPUT-INDEX]"
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exit 1
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fi
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if [ -n "$KEY" ]; then
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ADDR=`$BITCOIN_CLI listunspent | sed -n 's/^ *"address" *: *"\([0-9a-zA-Z]*\)",$/\1/p' | tail -n +$NUM | head -n1`
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$BITCOIN_CLI dumpprivkey $ADDR
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else
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TXID=`$BITCOIN_CLI listunspent | sed -n 's/^ *"txid" *: *"\([0-9a-f]*\)",$/\1/p' | tail -n +$NUM | head -n1`
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OUTNUM=`$BITCOIN_CLI listunspent | sed -n 's/^ *"vout" *: *\([0-9]*\),$/\1/p' | tail -n +$NUM | head -n1`
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AMOUNT=`$BITCOIN_CLI listunspent | sed -n 's/^ *"amount" *: *\([0-9.]*\),$/\1/p' | tail -n +$NUM | head -n1 | tr -d . | sed 's/^0*//'`
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SCRIPT=`$BITCOIN_CLI listunspent | sed -n 's/^ *"scriptPubKey" *: *"\([0-9a-f]*\)",$/\1/p' | tail -n +$NUM | head -n1`
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echo $TXID/$OUTNUM/$AMOUNT/$SCRIPT
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fi
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