Provide relayer flag only for the polybft and simplify starting nodes…

… function

scripts/cluster

@@ -29,7 +29,7 @@ if [[ "$dp_error_flag" -eq 1 ]]; then
   exit 1
 fi
 
-function showhelp(){
+function showhelp() {
   echo "Usage: cluster {consensus} [{command}] [{flags}]"
   echo "Consensus:"
   echo "  ibft            Start Supernets test environment locally with ibft consensus"
@@ -161,36 +161,29 @@ function initRootchain() {
 }
 
 function startServerFromBinary() {
-  if [ "$1" == "write-logs" ]; then
+  write_logs_arg=""
+  if [ "$2" == "write-logs" ]; then
     echo "Writing validators logs to the files..."
-    ./polygon-edge server --data-dir ./test-chain-1 --chain genesis.json \
-      --grpc-address :10000 --libp2p :30301 --jsonrpc :10002 --relayer \
-      --num-block-confirmations 2 --seal --log-level DEBUG 2>&1 | tee ./validator-1.log &
-    ./polygon-edge server --data-dir ./test-chain-2 --chain genesis.json \
-      --grpc-address :20000 --libp2p :30302 --jsonrpc :20002 \
-      --num-block-confirmations 2 --seal --log-level DEBUG 2>&1 | tee ./validator-2.log &
-    ./polygon-edge server --data-dir ./test-chain-3 --chain genesis.json \
-      --grpc-address :30000 --libp2p :30303 --jsonrpc :30002 \
-      --num-block-confirmations 2 --seal --log-level DEBUG 2>&1 | tee ./validator-3.log &
-    ./polygon-edge server --data-dir ./test-chain-4 --chain genesis.json \
-      --grpc-address :40000 --libp2p :30304 --jsonrpc :40002 \
-      --num-block-confirmations 2 --seal --log-level DEBUG 2>&1 | tee ./validator-4.log &
-    wait
-  else
-    ./polygon-edge server --data-dir ./test-chain-1 --chain genesis.json \
-      --grpc-address :10000 --libp2p :30301 --jsonrpc :10002 --relayer \
-      --num-block-confirmations 2 --seal --log-level DEBUG &
-    ./polygon-edge server --data-dir ./test-chain-2 --chain genesis.json \
-      --grpc-address :20000 --libp2p :30302 --jsonrpc :20002 \
-      --num-block-confirmations 2 --seal --log-level DEBUG &
-    ./polygon-edge server --data-dir ./test-chain-3 --chain genesis.json \
-      --grpc-address :30000 --libp2p :30303 --jsonrpc :30002 \
-      --num-block-confirmations 2 --seal --log-level DEBUG &
-    ./polygon-edge server --data-dir ./test-chain-4 --chain genesis.json \
-      --grpc-address :40000 --libp2p :30304 --jsonrpc :40002 \
-      --num-block-confirmations 2 --seal --log-level DEBUG &
-    wait
+    write_logs_arg="2>&1 | tee "./validator-$i.log""
   fi
+
+  for i in {1..4}; do
+    data_dir="./test-chain-$i"
+    grpc_port=$((10000 * $i))
+    libp2p_port=$((30300 + $i))
+    jsonrpc_port=$((10000 * $i + 2))
+
+    relayer_arg=""
+    if [ "$1" == "polybft" ] && [ $i -eq 1 ]; then
+      relayer_arg="--relayer"
+    fi
+
+    ./polygon-edge server --data-dir "$data_dir" --chain genesis.json \
+      --grpc-address ":$grpc_port" --libp2p ":$libp2p_port" --jsonrpc ":$jsonrpc_port" $relayer_arg \
+      --num-block-confirmations 2 --seal --log-level DEBUG $write_logs_arg &
+  done
+
+  wait
 }
 
 function startServerFromDockerCompose() {
@@ -254,15 +247,15 @@ case "$2" in
     initIbftConsensus
     # Create genesis file and start the server from binary
     createGenesis
-    startServerFromBinary $2
+    startServerFromBinary $1 $2
     exit 0
   elif [ "$1" == "polybft" ]; then
     # Initialize polybft consensus
     initPolybftConsensus
     # Create genesis file and start the server from binary
     createGenesis
     initRootchain $2
-    startServerFromBinary $2
+    startServerFromBinary $1 $2
     exit 0
   else
     echo "Unsupported consensus mode. Supported modes are: ibft and polybft."