fix for anvil 1.4.x

bin/mock

@@ -4,25 +4,29 @@
 # Dev account #4
 PRIVATE_KEY=0x47e179ec197488593b187f80a00eb0da91f1b9d0b13f8733639f19c30a34926a
 
+set -euo pipefail
+
 # Function to cleanup processes
 cleanup() {
-    kill $ANVIL_PID 2>/dev/null
+    if [[ -n "${ANVIL_PID:-}" ]] && kill -0 "$ANVIL_PID" 2>/dev/null; then
+        kill "$ANVIL_PID" 2>/dev/null || true
+        sleep 0.2
+        kill -9 "$ANVIL_PID" 2>/dev/null || true
+    fi
 }
 
-err() {
-  cleanup
-  exit $1
-}
-
-# Set up trap to handle script exit
+# Ensure cleanup on any exit
 trap cleanup EXIT
+# On Ctrl-C or TERM: exit immediately (will trigger EXIT trap -> cleanup)
+trap 'exit 130' INT
+trap 'exit 143' TERM
 
 # Create log directory if it doesn't exist
 mkdir -p log
 
 # Run anvil in background and redirect output to log file
 # shellcheck disable=SC2086
-anvil | tee log/anvil.txt &
+anvil --disable-block-gas-limit | tee log/anvil.txt &
 ANVIL_PID=$!
 
 # Function to check if string exists in file
@@ -43,14 +47,13 @@ while ! check_string "Listening on" "log/anvil.txt"; do
     fi
 done
 
-forge script --private-key ${PRIVATE_KEY} DeployMock --fork-url http://localhost:8545 --broadcast "$@"  || err 1
+forge script  --private-key ${PRIVATE_KEY} DeployMock --fork-url http://localhost:8545 --broadcast "$@" || exit 1
 
-if [ "$1" = "slow" ]; then
+if [ "${1:-}" = "slow" ]; then
     echo "SLOW MODE: Setting mining mode to 12-second intervals."
     cast rpc evm_setIntervalMining 12
 fi
 
 echo "Press Ctrl+C to exit..."
-while true; do
-    sleep 1
-done
+# Wait for the anvil process; Ctrl-C will interrupt 'wait' and trigger cleanup via traps
+wait "$ANVIL_PID"