feat: add different signatures, waveMint

packages/avatar/contracts/mocks/MockERC20.sol

@@ -10,6 +10,7 @@ contract MockERC20 is ERC20, Ownable {
         address target;
         address wallet;
         uint256 amount;
+        uint256 waveIndex;
         uint256 signatureId;
         bytes signature;
     }
@@ -42,10 +43,34 @@ contract MockERC20 is ERC20, Ownable {
         uint256 _signatureId,
         bytes calldata _signature
     ) external {
-        mintArgs = MintArgs({target : _target, wallet : _wallet, amount : _amount, signatureId : _signatureId, signature : _signature});
+        mintArgs = MintArgs({target : _target, wallet : _wallet, amount : _amount, waveIndex : 0, signatureId : _signatureId, signature : _signature});
         MintInterface(_target).mint(_wallet, _amount, _signatureId, _signature);
     }
 
+    /// @dev instead of using approve and call we use this method directly for testing.
+    function waveMint(
+        MintInterface target,
+        address _wallet,
+        uint256 _amount,
+        uint256 _waveIndex,
+        uint256 _signatureId,
+        bytes calldata _signature
+    ) external {
+        target.waveMint(_wallet, _amount, _waveIndex, _signatureId, _signature);
+    }
+
+    function waveMintReenter(
+        address _target,
+        address _wallet,
+        uint256 _amount,
+        uint256 _waveIndex,
+        uint256 _signatureId,
+        bytes calldata _signature
+    ) external {
+        mintArgs = MintArgs({target : _target, wallet : _wallet, amount : _amount, waveIndex : _waveIndex, signatureId : _signatureId, signature : _signature});
+        MintInterface(_target).waveMint(_wallet, _amount, _waveIndex, _signatureId, _signature);
+    }
+
     /// @notice Approve `target` to spend `amount` and call it with data.
     /// @param target The address to be given rights to transfer and destination of the call.
     /// @param amount The number of tokens allowed.
@@ -115,4 +140,12 @@ interface MintInterface {
         uint256 _signatureId,
         bytes calldata _signature
     ) external;
+
+    function waveMint(
+        address wallet,
+        uint256 amount,
+        uint256 waveIndex,
+        uint256 signatureId,
+        bytes calldata signature
+    ) external;
 }

packages/avatar/contracts/mocks/NFTCollectionMock.sol

@@ -12,6 +12,7 @@ contract NFTCollectionMock is NFTCollection {
         bytes32 erc2771HandlerUpgradable;
         bytes32 updatableOperatorFiltererUpgradeable;
         bytes32 nftCollection;
+        bytes32 nftCollectionSignature;
     }
 
     /// @custom:oz-upgrades-unsafe-allow constructor
@@ -49,6 +50,7 @@ contract NFTCollectionMock is NFTCollection {
         ret.erc2771HandlerUpgradable = ERC2771_HANDLER_UPGRADABLE_STORAGE_LOCATION;
         ret.updatableOperatorFiltererUpgradeable = UPDATABLE_OPERATOR_FILTERER_UPGRADABLE_STORAGE_LOCATION;
         ret.nftCollection = NFT_COLLECTION_STORAGE_LOCATION;
+        ret.nftCollectionSignature = NFT_COLLECTION_SIGNATURE_STORAGE_LOCATION;
     }
 
     /**

packages/avatar/contracts/nft-collection/ERC2771HandlerUpgradeable.sol

@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: MIT
 pragma solidity 0.8.26;
 
+import {ContextUpgradeable} from "@openzeppelin/contracts-upgradeable-5.0.2/utils/ContextUpgradeable.sol";
+
 /**
  * @title ERC2771HandlerUpgradeable
  * @author The Sandbox
@@ -9,7 +11,7 @@ pragma solidity 0.8.26;
  * @dev based on: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.6.0/contracts/metatx/ERC2771Context.sol
  *      with an initializer for proxies and a mutable forwarder
  */
-abstract contract ERC2771HandlerUpgradeable {
+abstract contract ERC2771HandlerUpgradeable is ContextUpgradeable {
     struct ERC2771HandlerUpgradeableStorage {
         address trustedForwarder;
     }
@@ -69,7 +71,7 @@ abstract contract ERC2771HandlerUpgradeable {
      * @dev Defaults to the original `msg.sender` whenever a call is not performed by the trusted forwarder
      * or the calldata length is less than 20 bytes (an address length).
      */
-    function _msgSender() internal view virtual returns (address) {
+    function _msgSender() internal view override virtual returns (address) {
         uint256 calldataLength = msg.data.length;
         uint256 contextSuffixLength = _contextSuffixLength();
         if (_isTrustedForwarder(msg.sender) && calldataLength >= contextSuffixLength) {
@@ -85,7 +87,7 @@ abstract contract ERC2771HandlerUpgradeable {
      * @dev Defaults to the original `msg.data` whenever a call is not performed by the trusted forwarder
      * or the calldata length is less than 20 bytes (an address length).
      */
-    function _msgData() internal view virtual returns (bytes calldata) {
+    function _msgData() internal view override virtual returns (bytes calldata) {
         uint256 calldataLength = msg.data.length;
         uint256 contextSuffixLength = _contextSuffixLength();
         if (_isTrustedForwarder(msg.sender) && calldataLength >= contextSuffixLength) {
@@ -108,7 +110,7 @@ abstract contract ERC2771HandlerUpgradeable {
     /**
      * @notice ERC-2771 specifies the context as being a single address (20 bytes).
      */
-    function _contextSuffixLength() internal view virtual returns (uint256) {
+    function _contextSuffixLength() internal view override virtual returns (uint256) {
         return 20;
     }
 }

packages/avatar/contracts/nft-collection/INFTCollection.sol

@@ -78,15 +78,6 @@ interface INFTCollection {
      */
     event BaseURISet(address indexed operator, string oldBaseURI, string newBaseURI);
 
-    /**
-     * @notice Event emitted when the signer address was set or changed
-     * @dev emitted when setSignAddress is called
-     * @param operator the sender of the transaction
-     * @param oldSignAddress old signer address that is allowed to create mint signatures
-     * @param newSignAddress new signer address that is allowed to create mint signatures
-     */
-    event SignAddressSet(address indexed operator, address indexed oldSignAddress, address indexed newSignAddress);
-
     /**
      * @notice Event emitted when the max supply is set or changed
      * @dev emitted when setSignAddress is called
@@ -166,12 +157,6 @@ interface INFTCollection {
      */
     error InvalidTreasury(address mintTreasury);
 
-    /**
-     * @notice The operation failed because the signAddress is wrong
-     * @param signAddress signer address that is allowed to create mint signatures
-     */
-    error InvalidSignAddress(address signAddress);
-
     /**
      * @notice The operation failed because the allowedToExecuteMint is not a contract or wrong
      * @param allowedToExecuteMint token address that is used for payments and that is allowed to execute mint
@@ -190,12 +175,6 @@ interface INFTCollection {
      */
     error InvalidBatchData();
 
-    /**
-     * @notice The operation failed because signature is invalid or it was already used
-     * @param signatureId the ID of the provided signature
-     */
-    error InvalidSignature(uint256 signatureId);
-
     /**
      * @notice The operation failed because the wave arguments are wrong
      * @param waveMaxTokensOverall the allowed number of tokens to be minted in this wave (cumulative by all minting wallets)