Added INFO when reconnecting to wallet (#662)

wallet/src/client.rs

@@ -30,15 +30,21 @@ use util::LOGGER;
 /// Call the wallet API to create a coinbase output for the given block_fees.
 /// Will retry based on default "retry forever with backoff" behavior.
 pub fn create_coinbase(url: &str, block_fees: &BlockFees) -> Result<CbData, Error> {
+	let mut has_error = false;
+
 	retry_backoff_forever(|| {
 		let res = single_create_coinbase(&url, &block_fees);
 		if let Err(_) = res {
+			has_error = true;
 			error!(
 				LOGGER,
 				"Failed to get coinbase from {}. Run grin wallet listen",
 				url
 			);
 		}
+		if has_error {
+			error!(LOGGER, "Successfully received coinbase from {}", url);
+		}
 		res
 	})
 }