VESTAr-BAY · dotcom07 · Apr 8, 2026 · Apr 8, 2026 · Apr 8, 2026
diff --git a/abi/VESTArElection.json b/abi/VESTArElection.json
@@ -298,11 +298,6 @@
         "type": "tuple",
         "internalType": "struct VESTArTypes.ElectionConfig",
         "components": [
-          {
-            "name": "electionId",
-            "type": "bytes32",
-            "internalType": "bytes32"
-          },
           {
             "name": "seriesId",
             "type": "bytes32",
@@ -542,16 +537,16 @@
     "type": "function",
     "name": "initialize",
     "inputs": [
+      {
+        "name": "electionId_",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      },
       {
         "name": "config",
         "type": "tuple",
         "internalType": "struct VESTArTypes.ElectionConfig",
         "components": [
-          {
-            "name": "electionId",
-            "type": "bytes32",
-            "internalType": "bytes32"
-          },
           {
             "name": "seriesId",
             "type": "bytes32",

diff --git a/abi/VESTArElectionFactory.json b/abi/VESTArElectionFactory.json
@@ -30,6 +30,50 @@
     ],
     "stateMutability": "nonpayable"
   },
+  {
+    "type": "function",
+    "name": "computeElectionId",
+    "inputs": [
+      {
+        "name": "organizer",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "seriesId",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      },
+      {
+        "name": "titleHash",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      },
+      {
+        "name": "startAt",
+        "type": "uint64",
+        "internalType": "uint64"
+      },
+      {
+        "name": "endAt",
+        "type": "uint64",
+        "internalType": "uint64"
+      },
+      {
+        "name": "organizerNonce",
+        "type": "uint256",
+        "internalType": "uint256"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "electionId",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      }
+    ],
+    "stateMutability": "view"
+  },
   {
     "type": "function",
     "name": "createElection",
@@ -39,11 +83,6 @@
         "type": "tuple",
         "internalType": "struct VESTArTypes.ElectionConfig",
         "components": [
-          {
-            "name": "electionId",
-            "type": "bytes32",
-            "internalType": "bytes32"
-          },
           {
             "name": "seriesId",
             "type": "bytes32",
@@ -239,6 +278,25 @@
     ],
     "stateMutability": "view"
   },
+  {
+    "type": "function",
+    "name": "nextElectionNonce",
+    "inputs": [
+      {
+        "name": "organizer",
+        "type": "address",
+        "internalType": "address"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256",
+        "internalType": "uint256"
+      }
+    ],
+    "stateMutability": "view"
+  },
   {
     "type": "function",
     "name": "organizerRegistry",
@@ -324,6 +382,45 @@
     ],
     "stateMutability": "view"
   },
+  {
+    "type": "function",
+    "name": "previewNextElectionId",
+    "inputs": [
+      {
+        "name": "organizer",
+        "type": "address",
+        "internalType": "address"
+      },
+      {
+        "name": "seriesId",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      },
+      {
+        "name": "titleHash",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      },
+      {
+        "name": "startAt",
+        "type": "uint64",
+        "internalType": "uint64"
+      },
+      {
+        "name": "endAt",
+        "type": "uint64",
+        "internalType": "uint64"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "electionId",
+        "type": "bytes32",
+        "internalType": "bytes32"
+      }
+    ],
+    "stateMutability": "view"
+  },
   {
     "type": "function",
     "name": "setKarmaRegistry",

diff --git a/abi/status-testnet.addresses.json b/abi/status-testnet.addresses.json
@@ -2,9 +2,9 @@
   "chainName": "Status Network Testnet",
   "chainId": 1660990954,
   "rpcUrl": "https://public.sepolia.rpc.status.network",
-  "OrganizerRegistry": "0x6b6F30c54F0a382328409941A8eB824D02EFCD8f",
-  "KarmaRegistry": "0x9880c7Ff7Be22A1B2e469E594157eE6C14604472",
-  "ElectionImplementation": "0x93ec16287D1da13b4af58f3F0B9D717cae8b4A8A",
-  "VESTArElectionFactory": "0xE9e5AE2892542fd736b5391f0a722C641DC1fEDe",
-  "MockUSDT": "0x3a91A1b0bF95eE4e3F4e2F3F2A386995D884ee1d"
+  "OrganizerRegistry": "0xebfABbb617a2bEA8dc2BD5C85ED6CAFdfBaa01F4",
+  "KarmaRegistry": "0x5e2609C80df13da46c1A9C65A5FF969518913609",
+  "ElectionImplementation": "0xE8b78126a720b8C7A35D0EC667faB1dAA53B2523",
+  "VESTArElectionFactory": "0xeEb174bE8A72aA4dDEd6A4f68b0055Ba0Ba446b3",
+  "MockUSDT": "0xF962A46C1d73440D58efb6b398Eeed6BBb0019Fd"
 }
diff --git a/src/interfaces/vestar/IVESTArElectionFactory.sol b/src/interfaces/vestar/IVESTArElectionFactory.sol
@@ -25,9 +25,9 @@ interface IVESTArElectionFactory is IVESTArAdminControl {
 
     // 어떤 karma registry를 참조하는지 조회
     // karma registry : 유저의 Karma 기반 참여 자격을 판정하는 기준점
-        // Status의 Karma, KarmaTiers를 읽음
-        // 어떤 주소가 몇 티어인지 계산
-        // 최소 티어 이상인지 판정
+    // Status의 Karma, KarmaTiers를 읽음
+    // 어떤 주소가 몇 티어인지 계산
+    // 최소 티어 이상인지 판정
     // 바로 Status 컨트랙트를 안 보는 이유 : 의존성을 한 레이어 감싸서 추상화
     function karmaRegistry() external view returns (address);
 
@@ -52,21 +52,34 @@ interface IVESTArElectionFactory is IVESTArAdminControl {
     // 같은 상위 이벤트/시리즈에 속한 election 개수
     function totalElectionsInSeries(bytes32 seriesId) external view returns (uint256);
 
+    // organizer가 다음 create에서 사용할 nonce를 조회
+    function nextElectionNonce(address organizer) external view returns (uint256);
+
+    // 현재 nonce 기준으로 다음 electionId를 미리 계산
+    function previewNextElectionId(address organizer, bytes32 seriesId, bytes32 titleHash, uint64 startAt, uint64 endAt)
+        external
+        view
+        returns (bytes32 electionId);
+
+    // 특정 nonce를 넣어 electionId를 계산
+    function computeElectionId(
+        address organizer,
+        bytes32 seriesId,
+        bytes32 titleHash,
+        uint64 startAt,
+        uint64 endAt,
+        uint256 organizerNonce
+    ) external view returns (bytes32 electionId);
+
     // config struct 하나를 받아 새 election을 생성
     function createElection(VESTArTypes.ElectionConfig calldata config) external returns (address electionAddress);
 
     // electionId -> election address 매핑 조회
     function getElection(bytes32 electionId) external view returns (address electionAddress);
 
     // 같은 seriesId를 공유하는 electionId 목록 조회
-    function getSeriesElectionIds(bytes32 seriesId)
-        external
-        view
-        returns (bytes32[] memory electionIds);
+    function getSeriesElectionIds(bytes32 seriesId) external view returns (bytes32[] memory electionIds);
 
     // 같은 seriesId를 공유하는 election address 목록 조회
-    function getSeriesElectionAddresses(bytes32 seriesId)
-        external
-        view
-        returns (address[] memory electionAddresses);
+    function getSeriesElectionAddresses(bytes32 seriesId) external view returns (address[] memory electionAddresses);
 }
diff --git a/src/libraries/vestar/VESTArTypes.sol b/src/libraries/vestar/VESTArTypes.sol
@@ -3,7 +3,6 @@ pragma solidity ^0.8.24;
 
 // VESTAr 전역에서 같이 쓰는 enum / struct 타입들을 한 곳에 모아두는 파일
 library VESTArTypes {
-
     enum VisibilityMode {
         OPEN,
         PRIVATE
@@ -56,7 +55,6 @@ library VESTArTypes {
 
     // ElectionConfig는 투표를 만들 때 필요한 핵심 설정 묶음
     struct ElectionConfig {
-        bytes32 electionId;
         // seriesId: "MAMA 2025" 같은 상위 이벤트/시리즈 식별자
         // 예: female solo, male solo election이 같은 seriesId를 공유
         bytes32 seriesId;

diff --git a/src/vestar/election/VESTArElection.sol b/src/vestar/election/VESTArElection.sol
@@ -19,6 +19,7 @@ contract VESTArElection is VESTArElectionCore {
     // 예시 : organizer가 createElection(config)를 호출하면 factory가 새 election을 만든 뒤
     // initialize(...)에서 "이 투표는 누구 것인지, 어느 karma registry를 볼지, 어떤 토큰을 받을지"를 채움
     function initialize(
+        bytes32 electionId_,
         VESTArTypes.ElectionConfig calldata config,
         address organizerAddress,
         bool organizerVerifiedSnapshot_,
@@ -29,7 +30,7 @@ contract VESTArElection is VESTArElectionCore {
         require(!initialized, "VESTAr: already initialized");
         require(organizerAddress != address(0), "VESTAr: organizer is zero");
         require(platformAdminAddress != address(0), "VESTAr: admin is zero");
-        require(config.electionId != bytes32(0), "VESTAr: electionId is zero");
+        require(electionId_ != bytes32(0), "VESTAr: electionId is zero");
 
         // clone 배포 관련 코드 : clone은 constructor를 다시 타지 않으므로,
         // 실제 election 인스턴스의 factory 주소와 owner를 initialize에서 직접 세팅해야 함
@@ -39,6 +40,7 @@ contract VESTArElection is VESTArElectionCore {
 
         require(msg.sender == factory, "VESTAr: only factory");
 
+        _electionId = electionId_;
         _config = config;
         _organizer = organizerAddress;
         _organizerVerifiedSnapshot = organizerVerifiedSnapshot_;
@@ -58,7 +60,7 @@ contract VESTArElection is VESTArElectionCore {
 
         emit ElectionInitialized(
             config.seriesId,
-            config.electionId,
+            electionId_,
             organizerAddress,
             config.visibilityMode,
             organizerVerifiedSnapshot_,
@@ -85,9 +87,7 @@ contract VESTArElection is VESTArElectionCore {
         _config.candidateManifestHash = newCandidateManifestHash;
         _config.candidateManifestURI = newCandidateManifestURI;
 
-        emit ElectionMetadataUpdated(
-            _config.electionId, newTitleHash, newCandidateManifestHash, newCandidateManifestURI
-        );
+        emit ElectionMetadataUpdated(_electionId, newTitleHash, newCandidateManifestHash, newCandidateManifestURI);
     }
 
     // 후보 등록 관련 코드 : organizer/admin이 투표 시작 전에 후보 hash allowlist를 세팅
@@ -99,7 +99,7 @@ contract VESTArElection is VESTArElectionCore {
 
         for (uint256 i = 0; i < candidateHashes.length; ++i) {
             _allowedCandidateHash[candidateHashes[i]] = allowed;
-            emit CandidateAllowlistUpdated(_config.electionId, candidateHashes[i], allowed);
+            emit CandidateAllowlistUpdated(_electionId, candidateHashes[i], allowed);
         }
     }
 

diff --git a/src/vestar/election/base/VESTArElectionStorage.sol b/src/vestar/election/base/VESTArElectionStorage.sol
@@ -20,6 +20,7 @@ abstract contract VESTArElectionStorage {
     uint256 internal constant UNLIMITED_PAID_COST_AMOUNT = 66_000;
 
     VESTArTypes.ElectionConfig internal _config;
+    bytes32 internal _electionId;
     VESTArTypes.ResultSummary internal _resultSummary;
     VESTArTypes.CancellationSummary internal _cancellationSummary;
     VESTArTypes.SettlementSummary internal _settlementSummary;
@@ -239,10 +240,7 @@ abstract contract VESTArElectionStorage {
 
     // 관리자 권한 관련 코드 : platform admin 또는 organizer 둘 다 호출 가능하게 허용
     function _requirePlatformAdminOrOrganizer() internal view {
-        require(
-            msg.sender == _platformAdmin || msg.sender == _organizer,
-            "VESTAr: only admin or organizer"
-        );
+        require(msg.sender == _platformAdmin || msg.sender == _organizer, "VESTAr: only admin or organizer");
     }
 
     // key reveal 권한 관련 코드 : platform admin은 항상 가능, 내부 팀 관리자는 별도 whitelist로 위임 가능
@@ -265,10 +263,7 @@ abstract contract VESTArElectionStorage {
         require(candidateKeys.length > 0, "VESTAr: empty selection");
 
         if (_config.allowMultipleChoice) {
-            require(
-                candidateKeys.length <= _config.maxSelectionsPerSubmission,
-                "VESTAr: too many selections"
-            );
+            require(candidateKeys.length <= _config.maxSelectionsPerSubmission, "VESTAr: too many selections");
         } else {
             require(candidateKeys.length == 1, "VESTAr: single choice only");
         }