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#!/usr/bin/env bash		#!/usr/bin/env bash

export LC_ALL=C		export LC_ALL=C

set -euo pipefail		set -euxo pipefail

###		###
# Initial Block Download script.		# Initial Block Download script.
#		#
# Runs a bitcoind process until initial block download is complete.		# Runs a bitcoind process until initial block download is complete.
# Forwards the exit code from bitcoind onward.		# Forwards the exit code from bitcoind onward.
###		###

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# TODO Add more checks to see if IBD completed as expected,		# TODO Add more checks to see if IBD completed as expected,
# These checks will exit the subshell with a non-zero exit code.		# These checks will exit the subshell with a non-zero exit code.
) &		) &
IBD_PID=$!		IBD_PID=$!

# When the IBD subshell finishes, kill bitcoind		# When the IBD subshell finishes, kill bitcoind
(		(
		# Disable verbosity to avoid bloating the output with sleep prints
		set +x
while [ -e /proc/${IBD_PID} ]; do sleep 0.1; done		while [ -e /proc/${IBD_PID} ]; do sleep 0.1; done
		set -x

echo "Cleaning up bitcoin daemon (PID: ${BITCOIND_PID})."		echo "Cleaning up bitcoin daemon (PID: ${BITCOIND_PID})."
kill ${BITCOIND_PID}		kill ${BITCOIND_PID}
) &		) &

# Wait for bitcoind to exit, whether it exited on its own or IBD finished		# Wait for bitcoind to exit, whether it exited on its own or IBD finished
wait ${BITCOIND_PID}		wait ${BITCOIND_PID}
BITCOIND_EXIT_CODE=$?		BITCOIND_EXIT_CODE=$?
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