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# Sourced by other scripts
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# Suppress sync if we can, for speedup.
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if which eatmydata >/dev/null; then EATMYDATA=eatmydata; fi
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DATADIR=/tmp/bitcoin-lightning$VARIANT
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CLI="bitcoin-cli -datadir=$DATADIR"
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REGTESTDIR=regtest
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DAEMON="$EATMYDATA bitcoind -datadir=$DATADIR"
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PREFIX=$EATMYDATA
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# Always use valgrind if available (unless NO_VALGRIND=1 set)
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if which valgrind >/dev/null; then :; else NO_VALGRIND=1; fi
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[ -n "$NO_VALGRIND" ] || PREFIX="$EATMYDATA valgrind -q --error-exitcode=7"
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findport()
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{
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PORT=$1
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# Give two ports per variant.
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if [ x"$2" != x ]; then PORT=$(($PORT + $2 * 2)); fi
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while netstat -ntl | grep -q ":$PORT "; do PORT=$(($PORT + 1)); done
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echo $PORT
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}
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