hard reset flag added to starter script

Signed-off-by: Uncle Stinky <uncle.stinky@ghostchain.io>

scripts/starter.sh

@@ -2,6 +2,7 @@
 
 set -Ee
 
+HARD_RESET=false
 CHECK_KEYS=false
 INSERT_KEYS=false
 UNIT_FILE=false
@@ -96,6 +97,7 @@ help() {
     echo -e "-s, --base-path\n\tPath to the folder with chain database ('/var/lib/ghost' is default)."
     echo -e "-c, --specification-path\n\tPath to specification ('/etc/ghost' is default)."
     echo -e "-n, --specification-name\n\tSpecification name to be used ('casper' is default)."
+    echo -e "--hard-reset-i-know-what-im-doing\n\tWill completely remove ledger along with associated session keys."
     echo -e "-h, --help\n\tPrints help information."
 }
 
@@ -163,6 +165,9 @@ while [ $# -gt 0 ]; do
             if [[ "$1" != *=* ]]; then shift; fi
             SPECIFICATION_NAME="${1#*=}"
             ;;
+        --hard-reset-i-know-what-im-doing)
+            HARD_RESET=true
+            ;;
         --help|-h)
             help
             exit 0
@@ -175,6 +180,51 @@ while [ $# -gt 0 ]; do
     shift
 done
 
+if [[ $HARD_RESET = true ]]; then
+    echo -e "\n"
+    echo "WARNING!!! THIS ACTION WILL COMPLETELY PURGE THE LEDGER AND REBUILD THE NODE USING THE LATEST"
+    echo "REPOSITORY VERSION. NOTE THAT THE VALIDATION PROCESS WILL BE LOST BECAUSE SESSION OF KEYS."
+    echo "THERE ARE TWO SCENARIOS IN WHICH YOU MIGHT NEED TO PROCEED:"
+    echo -e "\t- A new version of the network hsa been released, and a restart is neccessary"
+    echo -e "\t- There is a critical issue, and you require a hard reset of the node in a single command"
+    echo -e "\n"
+    if prompt "[?] do you understand all risks?"; then
+        echo "[+] you were warned, I hope you know what you're doing"
+    else
+        echo "[-] aborting hard reset"
+        exit 1
+    fi
+
+    cd $PROJECT_FOLDER
+    # TODO: uncomment later
+    # echo "[+] fetching the latest ghost-node source code"
+    # git switch main
+    # git pull origin main
+
+    cd $PROJECT_FOLDER
+    echo "[+] starting build in 3 seconds..."
+    sleep 3
+    cargo build $RELEASE $FEATURES
+
+    echo "[+] trying to stop current ghost-node"
+    sudo systemctl stop ghost-node
+    echo "[+] trying to remove locally stored ledger"
+    sudo rm -rf "$BASE_PATH/chains/*"
+
+    cd $PROJECT_FOLDER
+    echo "[+] trying to copy executable to '$EXECUTABLE_PATH'"
+    sudo cp target/$TARGET/ghost $EXECUTABLE_PATH
+    cp service/chain-specs/$SPECIFICATION_NAME.json $SPECIFICATION_PATH
+
+    echo "[+] ghost executable copied in '$EXECUTABLE_PATH' from '$TARGET'"
+    echo "[+] specification '$SPECIFICATION_NAME.json' copied to '$SPECIFICATION_PATH'"
+
+    echo "[+] starting ghost-node"
+    sudo systemctl start ghost-node
+
+    exit 0
+fi
+
 if [[ $SET_ENVIRONMENT = true ]]; then
     echo -e "\n"
     echo "WARNING!!! THIS IS HIGHLY EXPERIMENTAL FLAG, USE IT ONLY ON YOUR"
@@ -262,7 +312,7 @@ fi
 if [[ ! -z $RELEASE ]]; then
     if prompt "[?] 'cargo build $RELEASE $FEATURES' is what you want?"; then 
         cd $PROJECT_FOLDER
-        echo "[+] Starting build in 3 seconds..."
+        echo "[+] starting build in 3 seconds..."
         sleep 3
         cargo build $RELEASE $FEATURES
     fi
@@ -347,7 +397,6 @@ if [[ $ARGUMENTS = true ]]; then
         CLI_ARGS+=("--public-addr=$public_addr")
     fi
 
-
     # default for now
     CLI_ARGS+=("--telemetry-url='wss://telemetry.ghostchain.io/submit/ 9'")
     CLI_ARGS+=("--base-path=$BASE_PATH")