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Create a ERC1363Utils helper similar to existing ERC721Utils and ERC1…
…155Utils (OpenZeppelin#5133) Co-authored-by: Ernesto García <[email protected]> Co-authored-by: cairo <[email protected]> Signed-off-by: Hadrien Croubois <[email protected]>
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| --- | ||
| 'openzeppelin-solidity': minor | ||
| --- | ||
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| `ERC1363Utils`: Add helper similar to the existing `ERC721Utils` and `ERC1155Utils` |
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| // SPDX-License-Identifier: MIT | ||
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| pragma solidity ^0.8.20; | ||
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| import {IERC1363Receiver} from "../../../interfaces/IERC1363Receiver.sol"; | ||
| import {IERC1363Spender} from "../../../interfaces/IERC1363Spender.sol"; | ||
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| /** | ||
| * @dev Library that provides common ERC-1363 utility functions. | ||
| * | ||
| * See https://eips.ethereum.org/EIPS/eip-1363[ERC-1363]. | ||
| */ | ||
| library ERC1363Utils { | ||
| /** | ||
| * @dev Indicates a failure with the token `receiver`. Used in transfers. | ||
| * @param receiver Address to which tokens are being transferred. | ||
| */ | ||
| error ERC1363InvalidReceiver(address receiver); | ||
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| /** | ||
| * @dev Indicates a failure with the token `spender`. Used in approvals. | ||
| * @param spender Address that may be allowed to operate on tokens without being their owner. | ||
| */ | ||
| error ERC1363InvalidSpender(address spender); | ||
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| /** | ||
| * @dev Performs a call to {IERC1363Receiver-onTransferReceived} on a target address. | ||
| * | ||
| * Requirements: | ||
| * | ||
| * - The target has code (i.e. is a contract). | ||
| * - The target `to` must implement the {IERC1363Receiver} interface. | ||
| * - The target must return the {IERC1363Receiver-onTransferReceived} selector to accept the transfer. | ||
| */ | ||
| function checkOnERC1363TransferReceived( | ||
| address operator, | ||
| address from, | ||
| address to, | ||
| uint256 value, | ||
| bytes memory data | ||
| ) internal { | ||
| if (to.code.length == 0) { | ||
| revert ERC1363InvalidReceiver(to); | ||
| } | ||
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| try IERC1363Receiver(to).onTransferReceived(operator, from, value, data) returns (bytes4 retval) { | ||
| if (retval != IERC1363Receiver.onTransferReceived.selector) { | ||
| revert ERC1363InvalidReceiver(to); | ||
| } | ||
| } catch (bytes memory reason) { | ||
| if (reason.length == 0) { | ||
| revert ERC1363InvalidReceiver(to); | ||
| } else { | ||
| /// @solidity memory-safe-assembly | ||
| assembly { | ||
| revert(add(32, reason), mload(reason)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| /** | ||
| * @dev Performs a call to {IERC1363Spender-onApprovalReceived} on a target address. | ||
| * | ||
| * Requirements: | ||
| * | ||
| * - The target has code (i.e. is a contract). | ||
| * - The target `spender` must implement the {IERC1363Spender} interface. | ||
| * - The target must return the {IERC1363Spender-onApprovalReceived} selector to accept the approval. | ||
| */ | ||
| function checkOnERC1363ApprovalReceived( | ||
| address operator, | ||
| address spender, | ||
| uint256 value, | ||
| bytes memory data | ||
| ) internal { | ||
| if (spender.code.length == 0) { | ||
| revert ERC1363InvalidSpender(spender); | ||
| } | ||
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| try IERC1363Spender(spender).onApprovalReceived(operator, value, data) returns (bytes4 retval) { | ||
| if (retval != IERC1363Spender.onApprovalReceived.selector) { | ||
| revert ERC1363InvalidSpender(spender); | ||
| } | ||
| } catch (bytes memory reason) { | ||
| if (reason.length == 0) { | ||
| revert ERC1363InvalidSpender(spender); | ||
| } else { | ||
| /// @solidity memory-safe-assembly | ||
| assembly { | ||
| revert(add(32, reason), mload(reason)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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