test: add script to test multiple clients

Signed-off-by: Arnaud Bailly <arnaud@pankzsoft.com>

Author: abailly

scripts/multi-client.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+trap "exit" INT TERM ERR
+trap "kill 0" EXIT
+
+NUM_NODES=$1
+
+for i in $(seq 1 $NUM_NODES); do
+    NODE_ID=amaru-$i
+    amaru bootstrap --ledger-dir "${NODE_ID}/ledger.db" --chain-dir "${NODE_ID}/chain.db" --network preview
+    amaru --service-name $NODE_ID --with-open-telemetry daemon --peer-address localhost:3000 --listen-address localhost:$(( 4000 + $i))  --ledger-dir "${NODE_ID}/ledger.db" --chain-dir "${NODE_ID}/chain.db" --network preview > $NODE_ID.log 2>&1 &
+    PID=$!
+    echo $(date -Iseconds) ": launched $NODE_ID (pid=$PID)"
+    sleep 60
+done
+
+wait