Take the testnet dir as an argument

Author: danielrachi1

scripts/local_testnet/beacon_node.sh

@@ -48,13 +48,14 @@ quic_port=${@:$OPTIND+2:1}
 http_port=${@:$OPTIND+3:1}
 execution_endpoint=${@:$OPTIND+4:1}
 execution_jwt=${@:$OPTIND+5:1}
+testnet_dir=${@:$OPTIND+6:1}
 
 exec $lighthouse_binary \
 	--debug-level $DEBUG_LEVEL \
 	bn \
 	$SUBSCRIBE_ALL_SUBNETS \
 	--datadir $data_dir \
-	--testnet-dir $TESTNET_DIR \
+	--testnet-dir $testnet_dir \
 	--enable-private-discovery \
   --disable-peer-scoring \
 	--staking \

scripts/local_testnet/start_local_testnet.sh

@@ -135,7 +135,7 @@ sleeping 20
 for (( bn=1; bn<=$BN_COUNT; bn++ )); do
     secret=$DATADIR/geth_datadir$bn/geth/jwtsecret
     echo $secret
-    execute_command_add_PID beacon_node_$bn.log ./beacon_node.sh $SAS -d $DEBUG_LEVEL $DATADIR/node_$bn $((BN_udp_tcp_base + $bn)) $((BN_udp_tcp_base + $bn + 100)) $((BN_http_port_base + $bn)) http://localhost:$((EL_base_auth_http + $bn)) $secret
+    execute_command_add_PID beacon_node_$bn.log ./beacon_node.sh $SAS -d $DEBUG_LEVEL $DATADIR/node_$bn $((BN_udp_tcp_base + $bn)) $((BN_udp_tcp_base + $bn + 100)) $((BN_http_port_base + $bn)) http://localhost:$((EL_base_auth_http + $bn)) $secret $TESTNET_DIR
 done
 
 # Start requested number of validator clients