diff --git a/.gitignore b/.gitignore
index ff7e6124..4323e9d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-
+.DS_Store
 # flow
 *.pkey
 !local/mock-incrementfi.pkey
diff --git a/cadence/contracts/TidalYieldStrategies.cdc b/cadence/contracts/TidalYieldStrategies.cdc
index d958bb8b..761e1e96 100644
--- a/cadence/contracts/TidalYieldStrategies.cdc
+++ b/cadence/contracts/TidalYieldStrategies.cdc
@@ -46,7 +46,7 @@ access(all) contract TidalYieldStrategies {
         access(contract) var uniqueID: DeFiActions.UniqueIdentifier?
         access(self) let position: TidalProtocol.Position
         access(self) var sink: {DeFiActions.Sink}
-        access(self) var source: {DeFiActions.Source}
+        access(self) var source: {DeFiActions.Source, DeFiActions.Liquidator}
 
         init(id: DeFiActions.UniqueIdentifier, collateralType: Type, position: TidalProtocol.Position) {
             self.uniqueID = id
@@ -63,7 +63,7 @@ access(all) contract TidalYieldStrategies {
         }
         /// Returns the amount available for withdrawal via the inner Source
         access(all) fun availableBalance(ofToken: Type): UFix64 {
-            return ofToken == self.source.getSourceType() ? self.source.minimumAvailable() : 0.0
+            return ofToken == self.source.getSourceType() ? self.source.liquidationAmount() : 0.0
         }
         /// Deposits up to the inner Sink's capacity from the provided authorized Vault reference
         access(all) fun deposit(from: auth(FungibleToken.Withdraw) &{FungibleToken.Vault}) {
diff --git a/lib/.DS_Store b/lib/.DS_Store
deleted file mode 100644
index e33fb266..00000000
Binary files a/lib/.DS_Store and /dev/null differ
diff --git a/lib/TidalProtocol b/lib/TidalProtocol
index 2d4ecb6c..decd619f 160000
--- a/lib/TidalProtocol
+++ b/lib/TidalProtocol
@@ -1 +1 @@
-Subproject commit 2d4ecb6c0d4b76779abfc845209ab95bb652f3d4
+Subproject commit decd619f62ad055a107bdc3e74dab58aa83c5340