add no-liability check

pool/src/auctions/bad_debt_auction.rs

@@ -88,7 +88,6 @@ pub fn fill_bad_debt_auction(
     let backstop_client = BackstopClient::new(e, &backstop_address);
     let backstop_token_id = backstop_client.backstop_token();
     let lot_amount = auction_data.lot.get(backstop_token_id).unwrap_optimized();
-    let backstop_client = BackstopClient::new(e, &backstop_address);
     backstop_client.draw(
         &e.current_contract_address(),
         &lot_amount,

pool/src/pool/submit.rs

@@ -41,6 +41,7 @@ pub fn execute_submit(
     // panics if the new positions set does not meet the health factor requirement
     // min is 1.0000100 to prevent rounding errors
     if check_health
+        && new_from_state.positions.liabilities.len() > 0
         && PositionData::calculate_from_positions(e, &mut pool, &new_from_state.positions)
             .is_hf_under(1_0000100)
     {

total =

@@ -0,0 +1,13 @@
+[filter "lfs"]
+	clean = git-lfs clean -- %f
+	smudge = git-lfs smudge -- %f
+	process = git-lfs filter-process
+	required = true
+[user]
+	name = markuspluna
+	email = [email protected]
+[credential]
+	helper = 
+	helper = /usr/local/share/gcm-core/git-credential-manager
+[credential "https://dev.azure.com"]
+	useHttpPath = true