txoo: entrypoint update use BITCOIN_RPC_URL

- common env var
Signed-off-by: Lakshya Singh <lakshay.singh1108@gmail.com>

txood/entrypoint.sh

@@ -1,11 +1,19 @@
 #!/bin/sh
-set -e
+
+set -ex
 
 if [ $(echo "$1" | cut -c1) = "-" ]; then
   echo "$0: assuming arguments for txood"
 
-  set -- txood --network $BITCOIN_NETWORK "$@"
+  set -- txood "$@"
+fi
+
+if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "txood" ]; then
+  echo "$0: setting network to $BITCOIN_NETWORK"
+  echo "$0: setting RPC URL to $BITCOIND_RPC_URL"
+
+  set -- "$@" --network $BITCOIN_NETWORK -r $BITCOIND_RPC_URL
 fi
 
 echo
-exec "$@"
+exec "$@"