feat: add Permit2 types

ApeWorX · Mar 15, 2024 · 9ab15ca · 9ab15ca
1 parent 8ecb277
commit 9ab15ca
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/uniswap_sdk/permit2.py b/uniswap_sdk/permit2.py
@@ -0,0 +1,22 @@
+from typing import List
+
+from eip712 import EIP712Message, EIP712Type
+
+
+class PermitDetails(EIP712Type):
+    token: "address"  # type: ignore[name-defined]  # noqa
+    amount: "uint160"  # type: ignore[name-defined]  # noqa
+    expiration: "uint48"  # type: ignore[name-defined]  # noqa
+    nonce: "uint48"  # type: ignore[name-defined]  # noqa
+
+
+class PermitSingle(EIP712Message):
+    details: PermitDetails
+    spender: "address"  # type: ignore[name-defined]  # noqa
+    sigDeadline: "uint256"  # type: ignore[name-defined]  # noqa
+
+
+class PermitBatch(EIP712Message):
+    details: List[PermitDetails]
+    spender: "address"  # type: ignore[name-defined]  # noqa
+    sigDeadline: "uint256"  # type: ignore[name-defined]  # noqa