feat: add ScrollEmployeeBadge

src/badge/examples/ScrollEmployeeBadge.sol

@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity 0.8.19;
+
+import {Attestation} from "@eas/contracts/IEAS.sol";
+
+import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
+
+import {ScrollBadge} from "../ScrollBadge.sol";
+import {ScrollBadgeAccessControl} from "../extensions/ScrollBadgeAccessControl.sol";
+import {ScrollBadgeCustomPayload} from "../extensions/ScrollBadgeCustomPayload.sol";
+import {ScrollBadgeNoExpiry} from "../extensions/ScrollBadgeNoExpiry.sol";
+import {ScrollBadgeNonRevocable} from "../extensions/ScrollBadgeNonRevocable.sol";
+import {ScrollBadgeSingleton} from "../extensions/ScrollBadgeSingleton.sol";
+
+string constant SCROLL_EMPLOYEE_BADGE_SCHEMA = "uint256 employeeId,uint256 year";
+
+function decodePayloadData(bytes memory data) pure returns (uint256,uint256) {
+    return abi.decode(data, (uint256,uint256));
+}
+
+/// @title ScrollEmployeeBadge
+contract ScrollEmployeeBadge is
+    ScrollBadgeAccessControl,
+    ScrollBadgeCustomPayload,
+    ScrollBadgeNoExpiry,
+    ScrollBadgeNonRevocable,
+    ScrollBadgeSingleton
+{
+    /// @notice The base token URI.
+    string public baseTokenURI;
+
+    constructor(address resolver_, string memory baseTokenURI_) ScrollBadge(resolver_) {
+        baseTokenURI = baseTokenURI_;
+    }
+
+    /// @notice Update the base token URI.
+    /// @param baseTokenURI_ The new base token URI.
+    function updateBaseTokenURI(string memory baseTokenURI_) external onlyOwner {
+        baseTokenURI = baseTokenURI_;
+    }
+
+    /// @inheritdoc ScrollBadge
+    function onIssueBadge(Attestation calldata attestation)
+        internal
+        override (
+            ScrollBadgeAccessControl,
+            ScrollBadgeCustomPayload,
+            ScrollBadgeNoExpiry,
+            ScrollBadgeNonRevocable,
+            ScrollBadgeSingleton
+        )
+        returns (bool)
+    {
+        return super.onIssueBadge(attestation);
+    }
+
+    /// @inheritdoc ScrollBadge
+    function onRevokeBadge(Attestation calldata attestation)
+        internal
+        override (
+            ScrollBadge, ScrollBadgeAccessControl, ScrollBadgeCustomPayload, ScrollBadgeNoExpiry, ScrollBadgeSingleton
+        )
+        returns (bool)
+    {
+        return super.onRevokeBadge(attestation);
+    }
+
+    /// @inheritdoc ScrollBadge
+    /// @dev This function is TBD
+    function badgeTokenURI(bytes32 uid) public view override returns (string memory) {
+        Attestation memory attestation = getAndValidateBadge(uid);
+        bytes memory payload = getPayload(attestation);
+        (,uint256 year) = decodePayloadData(payload);
+
+        return string(abi.encodePacked(baseTokenURI, Strings.toString(year), ".json"));
+    }
+
+    /// @inheritdoc ScrollBadgeCustomPayload
+    function getSchema() public pure override returns (string memory) {
+        return SCROLL_EMPLOYEE_BADGE_SCHEMA;
+    }
+}