Add Starknet support to blocknumber.sh

- Detect Starknet paths and use starknet_getBlockWithTxHashes
- Return decimal block_number directly instead of hex conversion

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

blocknumber.sh

@@ -23,15 +23,30 @@ for path in $pathlist; do
 	RPC_URL="https://$DOMAIN/$path"
 	response_file=$(mktemp)
 
-	http_status_code=$(curl --ipv4 -m 1 -s -X POST -w "%{http_code}" -o "$response_file" -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}' $RPC_URL)
+	# Detect Starknet vs Ethereum based on path
+	if echo "$path" | grep -qi "starknet"; then
+	    rpc_method='{"jsonrpc":"2.0","method":"starknet_getBlockWithTxHashes","params":["latest"],"id":1}'
+	    is_starknet=true
+	else
+	    rpc_method='{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}'
+	    is_starknet=false
+	fi
+
+	http_status_code=$(curl --ipv4 -m 1 -s -X POST -w "%{http_code}" -o "$response_file" -H "Content-Type: application/json" --data "$rpc_method" $RPC_URL)
 
 	if [ $? -eq 0 ]; then
 
 	    if [[ $http_status_code -eq 200 ]]; then
 		response=$(cat "$response_file")
 
-		latest_block_number=$(echo "$response" | jq -r '.result.number')
+		if $is_starknet; then
-		latest_block_number_decimal=$((16#${latest_block_number#0x}))
+		    # Starknet returns decimal block_number
+		    latest_block_number_decimal=$(echo "$response" | jq -r '.result.block_number')
+		else
+		    # Ethereum returns hex number
+		    latest_block_number=$(echo "$response" | jq -r '.result.number')
+		    latest_block_number_decimal=$((16#${latest_block_number#0x}))
+		fi
 
 		echo "$latest_block_number_decimal"