diff --git a/contracts/receivers/aave-v2-receiver/interfaces.sol b/contracts/receivers/aave-v2-receiver/interfaces.sol
new file mode 100644
index 0000000..570580d
--- /dev/null
+++ b/contracts/receivers/aave-v2-receiver/interfaces.sol
@@ -0,0 +1,14 @@
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+interface AccountInterface {
+    function enable(address) external;
+    function disable(address) external;
+    function isAuth(address) external view returns (bool);
+    function cast(
+        string[] calldata _targets,
+        bytes[] calldata _datas,
+        address _origin
+    ) external payable returns (bytes32);
+    function migrateAave(address) external payable returns (bytes32);
+}
\ No newline at end of file