Add EIP-712 name and version getters

.changeset/little-falcons-build.md

@@ -0,0 +1,5 @@
+---
+'openzeppelin-solidity': minor
+---
+
+Add internal name and version getters for EIP712

contracts/utils/cryptography/EIP712.sol

@@ -131,12 +131,34 @@ abstract contract EIP712 is IERC5267 {
     {
         return (
             hex"0f", // 01111
-            _name.toStringWithFallback(_nameFallback),
-            _version.toStringWithFallback(_versionFallback),
+            _EIP712Name(),
+            _EIP712Version(),
             block.chainid,
             address(this),
             bytes32(0),
             new uint256[](0)
         );
     }
+
+    /**
+     * @dev The name parameter for the EIP712 domain.
+     *
+     * NOTE: By default this function reads _name which is an immutable value. 
+     * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).
+     */
+    // solhint-disable-next-line func-name-mixedcase
+    function _EIP712Name() internal view returns (string memory) {
+        return _name.toStringWithFallback(_nameFallback);
+    }
+
+    /**
+     * @dev The name parameter for the EIP712 domain.
+     *
+     * NOTE: By default this function reads _version which is an immutable value. 
+     * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).
+     */
+    // solhint-disable-next-line func-name-mixedcase
+    function _EIP712Version() internal view returns (string memory) {
+        return _version.toStringWithFallback(_versionFallback);
+    }
 }

test/utils/cryptography/EIP712.test.js

@@ -98,6 +98,14 @@ contract('EIP712', function (accounts) {
 
         await this.eip712.verify(signature, wallet.getAddressString(), message.to, message.contents);
       });
+
+      it('name', async function () {
+        expect(await this.eip712.$_EIP712Name()).to.be.equal(name);
+      });
+
+      it('version', async function () {
+        expect(await this.eip712.$_EIP712Version()).to.be.equal(version);
+      });
     });
   }
 });