diff --git a/scripts/node-env.sh b/scripts/node-env.sh
index 711427c..ed0be22 100755
--- a/scripts/node-env.sh
+++ b/scripts/node-env.sh
@@ -171,6 +171,7 @@ function start_mitmproxy() {
 		return 0
 	fi
 
+	tmux kill-window -t mitmproxy 2>/dev/null
 	tmux new-window -d -n mitmproxy "cd $HOME/mitmproxy; source venv/bin/activate; mitmproxy --listen-port $listen_port --mode reverse:http://localhost:${proxy_port} -s $HOME/mitmproxy/scripts/json-rpc.py; tmux wait-for -S mitmproxy-done"
 }
 
@@ -370,30 +371,62 @@ function eth-rpc() {
 		# Build and execute command with optional output redirection
 		if [ "$record_mode" = "true" ]; then
 			echo "recording requests to $record_path"
-			set -x
-			"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
-				--log="$RUST_LOG" \
-				--no-prometheus \
-				--dev \
-				--rpc-port 8546 \
-				--node-rpc-url "$NODE_RPC_URL" \
-				"${args[@]}" 2>&1 |
-				tee /tmp/eth-rpc.log |
-				tee >(grep --line-buffered 'recv=' |
-					grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
-					sed -u -E 's/.*recv="(.*)"/\1/' |
-					sed -u 's/\\"/"/g' >"$record_path")
-			{ set +x; } 2>/dev/null
+			# Check if lnav is installed and pipe output to it if available
+			if command -v lnav &>/dev/null; then
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--rpc-port 8546 \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 |
+					tee /tmp/eth-rpc.log |
+					tee >(grep --line-buffered 'recv=' |
+						grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
+						sed -u -E 's/.*recv="(.*)"/\1/' |
+						sed -u 's/\\"/"/g' >"$record_path") |
+					lnav
+				{ set +x; } 2>/dev/null
+			else
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--rpc-port 8546 \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 |
+					tee /tmp/eth-rpc.log |
+					tee >(grep --line-buffered 'recv=' |
+						grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
+						sed -u -E 's/.*recv="(.*)"/\1/' |
+						sed -u 's/\\"/"/g' >"$record_path")
+				{ set +x; } 2>/dev/null
+			fi
 		else
-			set -x
-			"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
-				--log="$RUST_LOG" \
-				--no-prometheus \
-				--dev \
-				--rpc-port 8546 \
-				--node-rpc-url "$NODE_RPC_URL" \
-				"${args[@]}"
-			{ set +x; } 2>/dev/null
+			# Check if lnav is installed and pipe output to it if available
+			if command -v lnav &>/dev/null; then
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--rpc-port 8546 \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 | lnav
+				{ set +x; } 2>/dev/null
+			else
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--rpc-port 8546 \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}"
+				{ set +x; } 2>/dev/null
+			fi
 		fi
 		;;
 	run)
@@ -431,28 +464,58 @@ function eth-rpc() {
 		# Build and execute command with optional output redirection
 		if [ "$record_mode" = "true" ]; then
 			echo "recording requests to $record_path"
-			set -x
-			"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
-				--log="$RUST_LOG" \
-				--no-prometheus \
-				--dev \
-				--node-rpc-url "$NODE_RPC_URL" \
-				"${args[@]}" 2>&1 |
-				tee /tmp/eth-rpc.log |
-				tee >(grep --line-buffered 'recv=' |
-					grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
-					sed -u -E 's/.*recv="(.*)"/\1/' |
-					sed -u 's/\\"/"/g' >"$record_path")
-			{ set +x; } 2>/dev/null
+			# Check if lnav is installed and pipe output to it if available
+			if command -v lnav &>/dev/null; then
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 |
+					tee /tmp/eth-rpc.log |
+					tee >(grep --line-buffered 'recv=' |
+						grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
+						sed -u -E 's/.*recv="(.*)"/\1/' |
+						sed -u 's/\\"/"/g' >"$record_path") |
+					lnav
+				{ set +x; } 2>/dev/null
+			else
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 |
+					tee /tmp/eth-rpc.log |
+					tee >(grep --line-buffered 'recv=' |
+						grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
+						sed -u -E 's/.*recv="(.*)"/\1/' |
+						sed -u 's/\\"/"/g' >"$record_path")
+				{ set +x; } 2>/dev/null
+			fi
 		else
-			set -x
-			"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
-				--log="$RUST_LOG" \
-				--no-prometheus \
-				--dev \
-				--node-rpc-url "$NODE_RPC_URL" \
-				"${args[@]}"
-			{ set +x; } 2>/dev/null
+			# Check if lnav is installed and pipe output to it if available
+			if command -v lnav &>/dev/null; then
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 | lnav
+				{ set +x; } 2>/dev/null
+			else
+				set -x
+				"$POLKADOT_SDK_DIR/target/$bin_folder/eth-rpc" \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}"
+				{ set +x; } 2>/dev/null
+			fi
 		fi
 		;;
 	*)
@@ -484,34 +547,70 @@ function eth-rpc() {
 
 		# Build and execute command with optional output redirection
 		if [ "$record_mode" = "true" ]; then
-			set -x
-			cargo run \
-				--quiet \
-				--manifest-path "$POLKADOT_SDK_DIR/Cargo.toml" \
-				-p pallet-revive-eth-rpc -- \
-				--log="$RUST_LOG" \
-				--no-prometheus \
-				--dev \
-				--node-rpc-url "$NODE_RPC_URL" \
-				"${args[@]}" 2>&1 |
-				tee /tmp/eth-rpc.log |
-				tee >(grep --line-buffered 'recv=' |
-					grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
-					sed -u -E 's/.*recv="(.*)"/\1/' |
-					sed -u 's/\\"/"/g' >"$record_path")
-			{ set +x; } 2>/dev/null
+			# Check if lnav is installed and pipe output to it if available
+			if command -v lnav &>/dev/null; then
+				set -x
+				cargo run \
+					--quiet \
+					--manifest-path "$POLKADOT_SDK_DIR/Cargo.toml" \
+					-p pallet-revive-eth-rpc -- \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 |
+					tee /tmp/eth-rpc.log |
+					tee >(grep --line-buffered 'recv=' |
+						grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
+						sed -u -E 's/.*recv="(.*)"/\1/' |
+						sed -u 's/\\"/"/g' >"$record_path") |
+					lnav
+				{ set +x; } 2>/dev/null
+			else
+				set -x
+				cargo run \
+					--quiet \
+					--manifest-path "$POLKADOT_SDK_DIR/Cargo.toml" \
+					-p pallet-revive-eth-rpc -- \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 |
+					tee /tmp/eth-rpc.log |
+					tee >(grep --line-buffered 'recv=' |
+						grep --line-buffered '\\"method\\":\\"eth_sendRawTransaction\\"' |
+						sed -u -E 's/.*recv="(.*)"/\1/' |
+						sed -u 's/\\"/"/g' >"$record_path")
+				{ set +x; } 2>/dev/null
+			fi
 		else
-			set -x
-			cargo run \
-				--quiet \
-				--manifest-path "$POLKADOT_SDK_DIR/Cargo.toml" \
-				-p pallet-revive-eth-rpc -- \
-				--log="$RUST_LOG" \
-				--no-prometheus \
-				--dev \
-				--node-rpc-url "$NODE_RPC_URL" \
-				"${args[@]}"
-			{ set +x; } 2>/dev/null
+			# Check if lnav is installed and pipe output to it if available
+			if command -v lnav &>/dev/null; then
+				set -x
+				cargo run \
+					--quiet \
+					--manifest-path "$POLKADOT_SDK_DIR/Cargo.toml" \
+					-p pallet-revive-eth-rpc -- \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}" 2>&1 | lnav
+				{ set +x; } 2>/dev/null
+			else
+				set -x
+				cargo run \
+					--quiet \
+					--manifest-path "$POLKADOT_SDK_DIR/Cargo.toml" \
+					-p pallet-revive-eth-rpc -- \
+					--log="$RUST_LOG" \
+					--no-prometheus \
+					--dev \
+					--node-rpc-url "$NODE_RPC_URL" \
+					"${args[@]}"
+				{ set +x; } 2>/dev/null
+			fi
 		fi
 		;;
 	esac
@@ -535,8 +634,6 @@ function revive_dev_stack() {
 
 	# Kill existing 'servers' window if it exists
 	tmux kill-window -t servers 2>/dev/null
-	# Kill existing 'mitmproxy' window if it exists
-	tmux kill-window -t mitmproxy 2>/dev/null
 
 	# Parse arguments
 	use_proxy="false"
@@ -619,6 +716,26 @@ function retester_test() {
 	{ set +x; } 2>/dev/null
 }
 
+function retester_ci {
+
+	set -x
+	cargo run --quiet --release --manifest-path "$RETESTER_DIR/Cargo.toml" -- test \
+		--platform revive-dev-node-revm-solc \
+		--test "$RETESTER_DIR/resolc-compiler-tests/fixtures/solidity/simple" \
+		--test "$RETESTER_DIR/resolc-compiler-tests/fixtures/solidity/complex" \
+		--test "$RETESTER_DIR/resolc-compiler-tests/fixtures/solidity/translated_semantic_tests" \
+		--concurrency.number-of-nodes 10 \
+		--concurrency.number-of-threads 10 \
+		--concurrency.number-of-concurrent-tasks 1000 \
+		--working-directory "$RETESTER_DIR/workdir" \
+		--revive-dev-node.consensus instant-seal \
+		--revive-dev-node.path "$POLKADOT_SDK_DIR/target/debug/revive-dev-node" \
+		--eth-rpc.path "$POLKADOT_SDK_DIR/target/debug/eth-rpc" \
+		--resolc.path "$HOME/.cargo/bin/resolc"
+
+	{ set +x; } 2>/dev/null
+}
+
 # Helper function to endow development accounts in chain spec
 # This is shared between westend() and passet() functions
 # Usage: endow_dev_accounts <input_spec_path> <output_spec_path>
@@ -730,7 +847,7 @@ function westend() {
 			polkadot-omni-node \
 				--tmp \
 				--log="$RUST_LOG" \
-				--dev-block-time 1000 \
+				--instant-seal \
 				--no-prometheus \
 				--chain ~/ah-westend-spec.json 2>&1 | lnav
 			{ set +x; } 2>/dev/null
@@ -739,7 +856,7 @@ function westend() {
 			polkadot-omni-node \
 				--tmp \
 				--log="$RUST_LOG" \
-				--dev-block-time 1000 \
+				--instant-seal \
 				--no-prometheus \
 				--chain ~/ah-westend-spec.json
 			{ set +x; } 2>/dev/null
@@ -860,7 +977,7 @@ function passet() {
 			polkadot-omni-node \
 				--dev \
 				--log="$RUST_LOG" \
-				--dev-block-time 1000 \
+				--instant-seal \
 				--no-prometheus \
 				--no-hardware-benchmarks \
 				--chain ~/passet-spec.json 2>&1 | lnav
@@ -870,7 +987,7 @@ function passet() {
 			polkadot-omni-node \
 				--dev \
 				--log="$RUST_LOG" \
-				--dev-block-time 1000 \
+				--instant-seal \
 				--no-prometheus \
 				--no-hardware-benchmarks \
 				--chain ~/passet-spec.json
@@ -1037,8 +1154,6 @@ function geth-dev() {
 function geth_stack() {
 	# Kill existing 'servers' window if it exists
 	tmux kill-window -t servers 2>/dev/null
-	# Kill existing 'mitmproxy' window if it exists
-	tmux kill-window -t mitmproxy 2>/dev/null
 
 	# Parse arguments
 	mode="run"
@@ -1069,8 +1184,6 @@ function geth_stack() {
 function passet_stack() {
 	# Kill existing 'servers' window if it exists
 	tmux kill-window -t servers 2>/dev/null
-	# Kill existing 'mitmproxy' window if it exists
-	tmux kill-window -t mitmproxy 2>/dev/null
 
 	# Parse arguments
 	use_proxy="false"
@@ -1109,8 +1222,6 @@ function passet_stack() {
 function westend_stack() {
 	# Kill existing 'servers' window if it exists
 	tmux kill-window -t servers 2>/dev/null
-	# Kill existing 'mitmproxy' window if it exists
-	tmux kill-window -t mitmproxy 2>/dev/null
 
 	# Parse arguments
 	use_proxy="false"
diff --git a/scripts/re-sign-all.sh b/scripts/re-sign-all.sh
new file mode 100755
index 0000000..11822d1
--- /dev/null
+++ b/scripts/re-sign-all.sh
@@ -0,0 +1,165 @@
+#!/bin/bash
+
+# Script to decode and re-sign transactions from eth-rpc.log using cast send
+# Takes transactions from log file, decodes them, and re-signs with local account
+# Usage: ./re-sign-all.sh [log-file]
+
+set +e # Don't exit on errors - we want to process all transactions
+
+# Get the directory where this script is located
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# Source node-env.sh to get cast_local function
+if [ -f "$SCRIPT_DIR/node-env.sh" ]; then
+	source "$SCRIPT_DIR/node-env.sh"
+	# Load the local account
+	cast_local
+else
+	echo "Warning: node-env.sh not found, skipping cast_local"
+fi
+
+LOG_FILE="${1:-/tmp/eth-rpc-requests.log}"
+RPC_URL="${ETH_RPC_URL:-http://localhost:8545}"
+
+# Check if log file exists
+if [ ! -f "$LOG_FILE" ]; then
+	echo "Error: Log file $LOG_FILE not found"
+	exit 1
+fi
+
+# Counter for tracking transactions
+tx_count=0
+failed_txs=()
+errored_txs=()
+
+# Read each line from the log file
+while IFS= read -r line; do
+	tx_count=$((tx_count + 1))
+
+	# Extract the raw transaction data from the JSON-RPC request
+	raw_tx=$(echo "$line" | jq -r '.params[0]')
+
+	# Decode the transaction to get all fields
+	decoded=$(cast decode-tx "$raw_tx" --json)
+
+	# Extract transaction fields
+	tx_to=$(echo "$decoded" | jq -r '.to // "null"')
+	tx_value=$(echo "$decoded" | jq -r '.value // "0"')
+	tx_data=$(echo "$decoded" | jq -r '.input // "0x"')
+	tx_gas=$(echo "$decoded" | jq -r '.gas // "null"')
+
+	printf "%4d - " "$tx_count"
+
+	# Build cast send command based on transaction type
+	cast_args=()
+
+	# Check if this is a contract creation (no 'to' address)
+	is_create=false
+	if [ "$tx_to" = "null" ] || [ -z "$tx_to" ]; then
+		is_create=true
+	fi
+
+	# Build command differently for contract creation vs regular tx
+	# Note: --rpc-url is not needed - cast will use ETH_RPC_URL from cast_local
+	# --private-key must come BEFORE --create or the destination address
+	cast_args+=("--private-key" "$PRIVATE_KEY")
+
+	# Add gas limit as option
+	if [ "$tx_gas" != "null" ] && [ -n "$tx_gas" ]; then
+		cast_args+=("--gas-limit" "$tx_gas")
+	fi
+
+	# Add value as option (convert from hex to decimal)
+	if [ "$tx_value" != "0" ] && [ "$tx_value" != "0x0" ] && [ -n "$tx_value" ]; then
+		# Convert hex value to decimal
+		tx_value_dec=$(cast --to-dec "$tx_value")
+		cast_args+=("--value" "$tx_value_dec")
+	fi
+
+	if [ "$is_create" = true ]; then
+		# Contract creation: cast send --rpc-url URL --private-key KEY --create <CODE>
+		cast_args+=("--create")
+
+		# Add the contract bytecode as positional argument
+		if [ "$tx_data" != "0x" ] && [ -n "$tx_data" ]; then
+			cast_args+=("$tx_data")
+		fi
+	else
+		# Regular transaction: cast send --rpc-url URL --private-key KEY <TO> [DATA]
+		# Add destination address as positional argument
+		cast_args+=("$tx_to")
+
+		# Add calldata if present
+		if [ "$tx_data" != "0x" ] && [ -n "$tx_data" ]; then
+			cast_args+=("$tx_data")
+		fi
+	fi
+
+	# Send the transaction using cast send
+	# Capture both stdout and stderr, but keep them separate
+	tx_output=$(cast send "${cast_args[@]}" 2>&1)
+	tx_exit_code=$?
+
+	# Check if cast send succeeded and extract transaction hash
+	if [ $tx_exit_code -eq 0 ]; then
+		# Extract transactionHash from the output
+		tx_hash=$(echo "$tx_output" | grep -oP 'transactionHash\s+\K0x[0-9a-fA-F]{64}' | head -n 1)
+
+		if [ -n "$tx_hash" ]; then
+			echo -n " $tx_hash"
+
+			# Get the transaction receipt using cast (uses ETH_RPC_URL from environment)
+			receipt_output=$(cast receipt "$tx_hash" 2>&1)
+			receipt_exit=$?
+
+			if [ $receipt_exit -eq 0 ]; then
+				# Extract status from receipt (1 = success, 0 = failure)
+				receipt_status=$(echo "$receipt_output" | grep -oP 'status\s+\K\d+' | head -n 1)
+				if [ "$receipt_status" = "1" ]; then
+					echo -e " status: \033[32m✓\033[0m"
+				else
+					echo -e " status: \033[31m✗\033[0m"
+					failed_txs+=("$tx_count $tx_hash")
+				fi
+			else
+				echo -e " \033[31mERROR: No receipt found\033[0m"
+				errored_txs+=("$tx_count $tx_hash: No receipt found")
+			fi
+		else
+			echo -e " \033[31mERROR: Failed to extract transaction hash\033[0m"
+			errored_txs+=("$tx_count: No transaction hash in output")
+		fi
+	else
+		echo -e " \033[31mERROR: Failed to send transaction\033[0m"
+		echo "  Error: $tx_output"
+		errored_txs+=("$tx_count: Cast send failed")
+	fi
+
+done <"$LOG_FILE"
+
+echo ""
+echo "All transactions processed!"
+echo "Total transactions: $tx_count"
+
+# Display errored transactions if any
+if [ ${#errored_txs[@]} -gt 0 ]; then
+	echo ""
+	echo -e "\033[31mErrored transactions (${#errored_txs[@]}):\033[0m"
+	for errored_tx in "${errored_txs[@]}"; do
+		echo "  tx $errored_tx"
+	done
+fi
+
+# Display failed transactions if any
+if [ ${#failed_txs[@]} -gt 0 ]; then
+	echo ""
+	echo -e "\033[31mFailed transactions (${#failed_txs[@]}):\033[0m"
+	for failed_tx in "${failed_txs[@]}"; do
+		echo "  tx $failed_tx"
+	done
+fi
+
+# Display success message if no errors or failures
+if [ ${#errored_txs[@]} -eq 0 ] && [ ${#failed_txs[@]} -eq 0 ]; then
+	echo -e "\033[32mAll transactions succeeded! ✓\033[0m"
+fi