feat: adds ERC20 permit interface, ref. eip-2612 (#80)

wormhole-foundation · Jan 22, 2025 · 6b16db0 · 6b16db0
1 parent 7e598d2
commit 6b16db0
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/src/interfaces/token/IERC20Permit.sol b/src/interfaces/token/IERC20Permit.sol
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+// SPDX-License-Identifier: Apache 2
+
+pragma solidity ^0.8.0;
+
+import "IERC20/IERC20.sol";
+
+//https://eips.ethereum.org/EIPS/eip-2612
+interface IERC20Permit is IERC20 {
+  function permit(
+    address owner,
+    address spender,
+    uint value,
+    uint deadline,
+    uint8 v,
+    bytes32 r,
+    bytes32 s
+  ) external;
+  function nonces(address owner) external view returns (uint);
+  function DOMAIN_SEPARATOR() external view returns (bytes32);
+}