maybe fixed coinbase serialization but cbtxid is off

mine-your-first-block/src/main.rs

@@ -410,6 +410,12 @@ fn serialized_segwit_tx(transaction: &Transaction) -> String {
     let version = transaction.version.to_le_bytes();
     serialized_tx.push_str(&hex::encode(version));
 
+    // For the coinbase transaction in between the version and vin count I need to add the marker and flag
+    // If the is_coinbase == true push 00 and 01
+    if transaction.vin[0].is_coinbase {
+        serialized_tx.push_str("0001");
+    }
+
     // Serialize vin count and push the numb of inputs
     let vin_count = transaction.vin.len() as u64;
     serialized_tx.push_str(&format!("{:02x}", vin_count));