fix: use stable forge

Author: roderik

.github/workflows/solidity.yml

@@ -96,8 +96,6 @@ jobs:
 
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1
-        with:
-          version: nightly
 
       - uses: actions/setup-node@v4
         with:

lib/forge-std/src/interfaces/IERC7540.sol

@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2;
+
+import "./IERC7575.sol";
+
+/// @dev Interface of the base operator logic of ERC7540, as defined in
+/// https://eips.ethereum.org/EIPS/eip-7540
+interface IERC7540Operator {
+    /**
+     * @dev The event emitted when an operator is set.
+     *
+     * @param controller The address of the controller.
+     * @param operator The address of the operator.
+     * @param approved The approval status.
+     */
+    event OperatorSet(address indexed controller, address indexed operator, bool approved);
+
+    /**
+     * @dev Sets or removes an operator for the caller.
+     *
+     * @param operator The address of the operator.
+     * @param approved The approval status.
+     * @return Whether the call was executed successfully or not
+     */
+    function setOperator(address operator, bool approved) external returns (bool);
+
+    /**
+     * @dev Returns `true` if the `operator` is approved as an operator for an `controller`.
+     *
+     * @param controller The address of the controller.
+     * @param operator The address of the operator.
+     * @return status The approval status
+     */
+    function isOperator(address controller, address operator) external view returns (bool status);
+}
+
+/// @dev Interface of the asynchronous deposit Vault interface of ERC7540, as defined in
+/// https://eips.ethereum.org/EIPS/eip-7540
+interface IERC7540Deposit is IERC7540Operator {
+    event DepositRequest(
+        address indexed controller, address indexed owner, uint256 indexed requestId, address sender, uint256 assets
+    );
+    /**
+     * @dev Transfers assets from sender into the Vault and submits a Request for asynchronous deposit.
+     *
+     * - MUST support ERC-20 approve / transferFrom on asset as a deposit Request flow.
+     * - MUST revert if all of assets cannot be requested for deposit.
+     * - owner MUST be msg.sender unless some unspecified explicit approval is given by the caller,
+     *    approval of ERC-20 tokens from owner to sender is NOT enough.
+     *
+     * @param assets the amount of deposit assets to transfer from owner
+     * @param controller the controller of the request who will be able to operate the request
+     * @param owner the source of the deposit assets
+     *
+     * NOTE: most implementations will require pre-approval of the Vault with the Vault's underlying asset token.
+     */
+
+    function requestDeposit(uint256 assets, address controller, address owner) external returns (uint256 requestId);
+
+    /**
+     * @dev Returns the amount of requested assets in Pending state.
+     *
+     * - MUST NOT include any assets in Claimable state for deposit or mint.
+     * - MUST NOT show any variations depending on the caller.
+     * - MUST NOT revert unless due to integer overflow caused by an unreasonably large input.
+     */
+    function pendingDepositRequest(uint256 requestId, address controller)
+        external
+        view
+        returns (uint256 pendingAssets);
+
+    /**
+     * @dev Returns the amount of requested assets in Claimable state for the controller to deposit or mint.
+     *
+     * - MUST NOT include any assets in Pending state.
+     * - MUST NOT show any variations depending on the caller.
+     * - MUST NOT revert unless due to integer overflow caused by an unreasonably large input.
+     */
+    function claimableDepositRequest(uint256 requestId, address controller)
+        external
+        view
+        returns (uint256 claimableAssets);
+
+    /**
+     * @dev Mints shares Vault shares to receiver by claiming the Request of the controller.
+     *
+     * - MUST emit the Deposit event.
+     * - controller MUST equal msg.sender unless the controller has approved the msg.sender as an operator.
+     */
+    function deposit(uint256 assets, address receiver, address controller) external returns (uint256 shares);
+
+    /**
+     * @dev Mints exactly shares Vault shares to receiver by claiming the Request of the controller.
+     *
+     * - MUST emit the Deposit event.
+     * - controller MUST equal msg.sender unless the controller has approved the msg.sender as an operator.
+     */
+    function mint(uint256 shares, address receiver, address controller) external returns (uint256 assets);
+}
+
+/// @dev Interface of the asynchronous deposit Vault interface of ERC7540, as defined in
+/// https://eips.ethereum.org/EIPS/eip-7540
+interface IERC7540Redeem is IERC7540Operator {
+    event RedeemRequest(
+        address indexed controller, address indexed owner, uint256 indexed requestId, address sender, uint256 assets
+    );
+
+    /**
+     * @dev Assumes control of shares from sender into the Vault and submits a Request for asynchronous redeem.
+     *
+     * - MUST support a redeem Request flow where the control of shares is taken from sender directly
+     *   where msg.sender has ERC-20 approval over the shares of owner.
+     * - MUST revert if all of shares cannot be requested for redeem.
+     *
+     * @param shares the amount of shares to be redeemed to transfer from owner
+     * @param controller the controller of the request who will be able to operate the request
+     * @param owner the source of the shares to be redeemed
+     *
+     * NOTE: most implementations will require pre-approval of the Vault with the Vault's share token.
+     */
+    function requestRedeem(uint256 shares, address controller, address owner) external returns (uint256 requestId);
+
+    /**
+     * @dev Returns the amount of requested shares in Pending state.
+     *
+     * - MUST NOT include any shares in Claimable state for redeem or withdraw.
+     * - MUST NOT show any variations depending on the caller.
+     * - MUST NOT revert unless due to integer overflow caused by an unreasonably large input.
+     */
+    function pendingRedeemRequest(uint256 requestId, address controller)
+        external
+        view
+        returns (uint256 pendingShares);
+
+    /**
+     * @dev Returns the amount of requested shares in Claimable state for the controller to redeem or withdraw.
+     *
+     * - MUST NOT include any shares in Pending state for redeem or withdraw.
+     * - MUST NOT show any variations depending on the caller.
+     * - MUST NOT revert unless due to integer overflow caused by an unreasonably large input.
+     */
+    function claimableRedeemRequest(uint256 requestId, address controller)
+        external
+        view
+        returns (uint256 claimableShares);
+}
+
+/// @dev Interface of the fully asynchronous Vault interface of ERC7540, as defined in
+/// https://eips.ethereum.org/EIPS/eip-7540
+interface IERC7540 is IERC7540Deposit, IERC7540Redeem, IERC7575 {}