tendermint/test/p2p/dsrr/check_peer.sh

#! /bin/bash
set -eu
set -o pipefail

IPV=$1
ID=$2
ASSERT_CASE=$3
ASSERT_NODE_UP=1
ASSERT_NODE_DOWN=0
MAX_TRY=10


###########################################
#
# Wait for peer to catchup to other peers
#
###########################################

addr=$(test/p2p/address.sh $IPV $ID 26657)
peerID=$(( $(($ID % 4)) + 1  )) # 1->2 ... 3->4 ... 4->1
peer_addr=$(test/p2p/address.sh $IPV $peerID 26657)

# get another peer's height
h1=`curl -s $peer_addr/status | jq .result.sync_info.latest_block_height | jq fromjson`

# get another peer's state
root1=`curl -s $peer_addr/status | jq .result.sync_info.latest_app_hash`

echo "Other peer is on height $h1 with state $root1"
echo "Waiting for peer $ID to catch up"

# wait for it to sync to past its previous height
set +e
set +o pipefail
h2="0"
COUNT=0
while [[ "$h2" -lt "$(($h1+1))" ]]; do
	sleep 1
	h2=`curl -s $addr/status --connect-timeout 1 | jq .result.sync_info.latest_block_height | jq fromjson`
	COUNT=$((COUNT+1))
	echo "... $h2, try $COUNT"
	if [ "$COUNT" -ge "$MAX_TRY" ]; then
		if [ $ASSERT_CASE -eq $ASSERT_NODE_DOWN ]; then
			echo "double sign risk reduction operates normally as expected"
		fi
		if [ $ASSERT_CASE -eq $ASSERT_NODE_UP ]; then
			echo "double sign risk reduction fail"
			exit 1
		fi
		break
	fi
done


if [ $ASSERT_CASE -eq $ASSERT_NODE_UP ]; then
	# check the app hash
	root2=`curl -s $addr/status | jq .result.sync_info.latest_app_hash`

	if [[ "$root1" != "$root2" ]]; then
		echo "App hash after restart does not match. Got $root2; expected $root1"
		exit 1
	fi
	echo "... double sign risk reduction test passed"
fi