fix: prevent overwrite existing l2 addresses

.env.example

@@ -29,17 +29,17 @@ BBN_FINALITY_GADGET_RPC=
 ## mnemonic "test test test test test test test test test test test junk" 
 
 # Admin address
-GS_ADMIN_ADDRESS=0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
-GS_ADMIN_PRIVATE_KEY=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
+GS_ADMIN_ADDRESS=
+GS_ADMIN_PRIVATE_KEY=
 
 # Batcher address
-GS_BATCHER_ADDRESS=0x70997970C51812dc3A010C7d01b50e0d17dc79C8
-GS_BATCHER_PRIVATE_KEY=0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d
+GS_BATCHER_ADDRESS=
+GS_BATCHER_PRIVATE_KEY=
 
 # Proposer address
-GS_PROPOSER_ADDRESS=0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC
-GS_PROPOSER_PRIVATE_KEY=0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a
+GS_PROPOSER_ADDRESS=
+GS_PROPOSER_PRIVATE_KEY=
 
 # Sequencer address
-GS_SEQUENCER_ADDRESS=0x90F79bf6EB2c4f870365E785982E1f101E93b906
-GS_SEQUENCER_PRIVATE_KEY=0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6
+GS_SEQUENCER_ADDRESS=
+GS_SEQUENCER_PRIVATE_KEY=

scripts/l2/l2-gen-addresses.sh

@@ -10,23 +10,45 @@ output=$($WALLETS_SCRIPT)
 # Path to the .env file
 ENV_FILE="$(pwd)/.env"
 
-# Process the output and update the .env file
-echo "$output" | while IFS= read -r line; do
-    if [[ $line == export\ GS_* ]]; then
-        # Extract variable name and value
-        var_name=$(echo "$line" | cut -d'=' -f1 | cut -d' ' -f2)
-        var_value=$(echo "$line" | cut -d'=' -f2-)
-
-        # Update or add the variable in the .env file
-        if grep -q "^$var_name=" "$ENV_FILE"; then
-            sed -i.bak "s|^$var_name=.*|$var_name=$var_value|" "$ENV_FILE" && rm "${ENV_FILE}.bak"
-        else
-            echo "$var_name=$var_value" >> "$ENV_FILE"
-        fi
+# Check if addresses already exist in the .env file
+check_addresses_exist() {
+  for role in ADMIN BATCHER PROPOSER; do
+    if grep -q "^GS_${role}_ADDRESS=" "$ENV_FILE" || \
+        grep -q "^GS_${role}_PRIVATE_KEY=" "$ENV_FILE"; then
+      return 0
     fi
-done
+  done
+  return 1
+}
+
+if check_addresses_exist; then
+  echo "Error: Addresses or private keys already exist in .env file. Please remove them first."
+  exit 1
+else
+  # If not, process the output and update the .env file
+  echo "$output" | while IFS= read -r line; do
+      if [[ $line == export\ GS_* ]]; then
+          # Extract variable name and value
+          var_name=$(echo "$line" | cut -d'=' -f1 | cut -d' ' -f2)
+          var_value=$(echo "$line" | cut -d'=' -f2-)
+
+          # Update or add the variable in the .env file
+          if grep -q "^$var_name=" "$ENV_FILE"; then
+              sed -i.bak "s|^$var_name=.*|$var_name=$var_value|" "$ENV_FILE" && rm "${ENV_FILE}.bak"
+          else
+              echo "$var_name=$var_value" >> "$ENV_FILE"
+          fi
+      fi
+  done
+  echo "Generated new addresses and updated .env file."
+fi
 
-echo "Generated new addresses and updated .env file."
+# Function to check address balance
+check_address_balance() {
+  local address=$1
+
+  cast balance "$address" --rpc-url "$L1_RPC_URL"
+}
 
 # Function to fund an address
 fund_address() {
@@ -46,9 +68,15 @@ for role in ADMIN BATCHER PROPOSER; do
     address="${!address_var}"
 
     if [[ -n "$address" ]]; then
-        echo "Funding $role address: $address with amount $L1_FUND_AMOUNT"
-        fund_address "$address" "$L1_FUND_AMOUNT"
-        echo
+        local balance=$(check_address_balance "$address")
+        if [[ "$balance" == "0" ]]; then
+            echo "Funding $role address: $address with amount $L1_FUND_AMOUNT"
+            fund_address "$address" "$L1_FUND_AMOUNT"
+            echo
+        else
+            echo "$role address: $address already funded"
+            echo
+        fi
     else
         echo "Warning: $role address not found in .env file"
         echo