Add script that simulates a fork revert

Author: danielrachi1

scripts/local_testnet/fork_revert.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+source ./start_local_testnet.sh genesis.json
+
+./download_lighthouse.sh v4.6.0 -b lh-stale
+
+n=2
+node_id=$(($BN_COUNT+1))
+
+stale_testnet_dir=$DATADIR/stale_testnet
+
+cp -r $TESTNET_DIR $stale_testnet_dir
+
+sed -i '/DENEB_FORK_VERSION/d' $stale_testnet_dir/config.yaml
+sed -i '/DENEB_FORK_EPOCH/d' $stale_testnet_dir/config.yaml
+sed -i '/MAX_REQUEST_BLOCKS_DENEB/d' $stale_testnet_dir/config.yaml
+
+for ((i = 0; i < n; i++)); do
+    current_id=$(($node_id+i))
+    execute_command_add_PID geth_$current_id.log ./geth.sh $DATADIR/geth_datadir$current_id $((EL_base_network + $current_id)) $((EL_base_http + current_id)) $((EL_base_auth_http + $current_id)) $genesis_file
+done
+
+sleeping 20
+
+for ((i = 0; i < n; i++)); do
+    current_id=$(($node_id+i))
+    secret=$DATADIR/geth_datadir$current_id/geth/jwtsecret
+    echo $secret
+    execute_command_add_PID beacon_node_$current_id.log ./beacon_node.sh $SAS -d $DEBUG_LEVEL $DATADIR/node_$current_id $((BN_udp_tcp_base + $current_id)) $((BN_udp_tcp_base + $current_id + 100)) $((BN_http_port_base + $current_id)) http://localhost:$((EL_base_auth_http + $current_id)) $secret $stale_testnet_dir -b lh-stale
+
+    execute_command_add_PID validator_node_$current_id.log ./validator_client.sh $BUILDER_PROPOSALS -d $DEBUG_LEVEL $DATADIR/node_$current_id http://localhost:$((BN_http_port_base + $current_id))
+
+    tail ~/.lighthouse/local-testnet/testnet/PIDS.pid --lines 2 >> $stale_testnet_dir/stale_pids.pid
+done
+
+sleeping $(($DENEB_FORK_EPOCH*32*$SECONDS_PER_SLOT))
+
+./kill_processes.sh $stale_testnet_dir/stale_pids.pid
+
+sleeping 5
+
+for ((i = 0; i < n; i++)); do
+    current_id=$(($node_id+i))
+    secret=$DATADIR/geth_datadir$current_id/geth/jwtsecret
+    echo $secret
+    execute_command_add_PID beacon_node_$current_id.log ./beacon_node.sh $SAS -d $DEBUG_LEVEL $DATADIR/node_$current_id $((BN_udp_tcp_base + $current_id)) $((BN_udp_tcp_base + $current_id + 100)) $((BN_http_port_base + $current_id)) http://localhost:$((EL_base_auth_http + $current_id)) $secret $TESTNET_DIR
+
+    execute_command_add_PID validator_node_$current_id.log ./validator_client.sh $BUILDER_PROPOSALS -d $DEBUG_LEVEL $DATADIR/node_$current_id http://localhost:$((BN_http_port_base + $current_id))
+done