fix script

script/upload.sh

@@ -1,13 +1,19 @@
 #!/bin/bash
-cast_output=$(cast call 0x9fb0F63B569f9FD8718Bbb2856a4b6F2458C2d70 "upload_to_arweave(string)" "hello world!" --rpc-url https://testnet-rpc.wvm.dev)
+cast_output=$(cast call 0x9fb0F63B569f9FD8718Bbb2856a4b6F2458C2d70 "upload_to_arweave(string)" "Hello, world!" --rpc-url https://testnet-rpc.wvm.dev)
 
-data_hex=$(echo "$cast_output" | cut -c 129-214)
+# Add debug output to see the exact string we're working with
+echo "Raw output: $cast_output"
+
+# Use grep to extract the hex string more reliably
+data_hex=$(echo "$cast_output" | grep -o '0x[0-9a-fA-F]\+' | tail -n 1 | sed 's/^0x//')
+
+# Add debug output for the extracted hex
+echo "Extracted hex: $data_hex"
 
 # Decode the hex data to get the Arweave transaction hash
 tx_hash=$(echo "$data_hex" | xxd -r -p)
 
 # Generate the viewblock.io URL using the extracted transaction hash
-viewblock_url="https://viewblock.io/arweave/tx/$tx_hash"
+viewblock_url="https://viewblock.io/arweave/tx/$(echo "$tx_hash" | tr -d ' +')"
 
-# Output the URL
-echo "$viewblock_url"
+echo "The transaction will take ~5-10 minutes to confirm. View it here: $viewblock_url"