fix: Fix compiler errors for new quote function. Stack too deep left.

contracts/core/LensHub.sol

@@ -21,6 +21,7 @@ import {LensMultiState} from './base/LensMultiState.sol';
 import {LensHubStorage} from './storage/LensHubStorage.sol';
 import {VersionedInitializable} from '../upgradeability/VersionedInitializable.sol';
 import {IERC721Enumerable} from '@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol';
+import {MetaTxHelpers} from 'contracts/libraries/helpers/MetaTxHelpers.sol';
 
 /**
  * @title LensHub
@@ -343,9 +344,9 @@ contract LensHub is LensNFTBase, VersionedInitializable, LensMultiState, LensHub
     function quoteWithSig(
         DataTypes.QuoteParams calldata quoteParams,
         address signer,
-        EIP712Signature calldata signature
+        DataTypes.EIP712Signature calldata signature
     ) external override whenPublishingEnabled returns (uint256) {
-        MetaTxHelpers.validateQuoteSignature(signer, quoteParams);
+        MetaTxHelpers.validateQuoteSignature(signer, quoteParams, signature);
         return PublishingLib.quote({quoteParams: quoteParams, transactionExecutor: signer});
     }
 

contracts/core/modules/reference/FollowerOnlyReferenceModule.sol

@@ -46,6 +46,23 @@ contract FollowerOnlyReferenceModule is FollowValidationModuleBase, IReferenceMo
         _checkFollowValidity(profileIdPointed, commentCreator);
     }
 
+    /**
+     * @notice Validates that the quoting profile's owner is a follower.
+     *
+     * NOTE: We don't need to care what the pointed publication is in this context.
+     */
+    function processQuote(
+        uint256 profileId,
+        address,
+        uint256 profileIdPointed,
+        uint256,
+        uint256,
+        bytes calldata
+    ) external view override {
+        address quoteCreator = IERC721(HUB).ownerOf(profileId);
+        _checkFollowValidity(profileIdPointed, quoteCreator);
+    }
+
     /**
      * @notice Validates that the mirroring profile's owner is a follower.
      *

contracts/interfaces/ILensHub.sol

@@ -281,6 +281,31 @@ interface ILensHub {
      */
     function mirrorWithSig(DataTypes.MirrorWithSigData calldata vars) external returns (uint256);
 
+    /**
+     * @notice Publishes a quote to a given profile, must be called by the profile owner.
+     *
+     * @param quoteParams A QuoteParams struct containing the needed parameters.
+     *
+     * @return uint256 An integer representing the quote's publication ID.
+     */
+    function quote(DataTypes.QuoteParams calldata quoteParams) external returns (uint256);
+
+    /**
+     * @notice Publishes a quote to a given profile via signature with the specified parameters. The signer must
+     * either be the profile owner or a delegated executor.
+     *
+     * @param quoteParams A QuoteParams struct containing the needed parameters.
+     * @param signer The address of the signer.
+     * @param signature The signature of the quote.
+     *
+     * @return uint256 An integer representing the quote's publication ID.
+     */
+    function quoteWithSig(
+        DataTypes.QuoteParams calldata quoteParams,
+        address signer,
+        DataTypes.EIP712Signature calldata signature
+    ) external returns (uint256);
+
     /**
      * @notice Follows the given profiles, executing each profile's follow module logic (if any).
      *

contracts/interfaces/IReferenceModule.sol

@@ -55,6 +55,26 @@ interface IReferenceModule {
         bytes calldata data
     ) external;
 
+    /**
+     * @notice Processes a quote action referencing a given publication. This can only be called by the hub.
+     *
+     * @param profileId The token ID of the profile associated with the publication being published.
+     * @param executor The profile owner or an approved delegated executor.
+     * @param profileIdPointed The profile ID of the profile associated the publication being quoted.
+     * @param pubIdPointed The publication ID of the publication being quoted.
+     * @param referrerProfileId The ID of the profile authoring the mirror if the quote was done through it, zero if
+     the quote was performed directly through the original publication. // TODO: is this correct?
+     * @param data Arbitrary data __passed from the executor!__ to be decoded.
+     */
+    function processQuote(
+        uint256 profileId,
+        address executor,
+        uint256 profileIdPointed,
+        uint256 pubIdPointed,
+        uint256 referrerProfileId,
+        bytes calldata data
+    ) external;
+
     /**
      * @notice Processes a mirror action referencing a given publication. This can only be called by the hub.
      *

contracts/libraries/DataTypes.sol

@@ -285,7 +285,7 @@ library DataTypes {
      * @param referenceModule The reference module to set for the given publication, must be whitelisted.
      * @param referenceModuleInitData The data to be passed to the reference module for initialization.
      */
-    struct QuotePamars {
+    struct QuoteParams {
         uint256 profileId;
         string contentURI;
         uint256 profileIdPointed;

contracts/libraries/helpers/MetaTxHelpers.sol

@@ -237,25 +237,25 @@ library MetaTxHelpers {
         );
     }
 
-    function validateQuoteWithSig(
+    function validateQuoteSignature(
         address signer, // TODO: put a signer inside sig struct
         DataTypes.QuoteParams calldata quoteParams,
-        EIP712Signature calldata sig
+        DataTypes.EIP712Signature calldata sig
     ) internal {
         _validateRecoveredAddress(
             _calculateDigest(
                 keccak256(
                     abi.encode(
                         COMMENT_WITH_SIG_TYPEHASH,
-                        vars.profileId,
-                        keccak256(bytes(vars.contentURI)),
-                        vars.profileIdPointed,
-                        vars.pubIdPointed,
-                        keccak256(vars.referenceModuleData),
-                        vars.collectModule,
-                        keccak256(vars.collectModuleInitData),
-                        vars.referenceModule,
-                        keccak256(vars.referenceModuleInitData),
+                        quoteParams.profileId,
+                        keccak256(bytes(quoteParams.contentURI)),
+                        quoteParams.profileIdPointed,
+                        quoteParams.pubIdPointed,
+                        keccak256(quoteParams.referenceModuleData),
+                        quoteParams.collectModule,
+                        keccak256(quoteParams.collectModuleInitData),
+                        quoteParams.referenceModule,
+                        keccak256(quoteParams.referenceModuleInitData),
                         _sigNonces(signer),
                         sig.deadline
                     )

contracts/mocks/MockReferenceModule.sol

@@ -28,6 +28,15 @@ contract MockReferenceModule is IReferenceModule {
         bytes calldata data
     ) external override {}
 
+    function processQuote(
+        uint256 profileId,
+        address executor,
+        uint256 profileIdPointed,
+        uint256 pubIdPointed,
+        uint256 referrerProfileId,
+        bytes calldata data
+    ) external override {}
+
     function processMirror(
         uint256 profileId,
         address executor,