diff --git a/src/contract/abis/rlnv2.ts b/src/contract/abis/rlnv2.ts
new file mode 100644
index 0000000..47ee866
--- /dev/null
+++ b/src/contract/abis/rlnv2.ts
@@ -0,0 +1,314 @@
+export const RLNv2ABI = [
+  {
+    type: "constructor",
+    inputs: [],
+    stateMutability: "nonpayable"
+  },
+  {
+    type: "function",
+    name: "MAX_MEMBERSHIP_SET_SIZE",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "MERKLE_TREE_DEPTH",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint8",
+        internalType: "uint8"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "Q",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "activeDurationForNewMemberships",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "currentTotalRateLimit",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "deployedBlockNumber",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "depositsToWithdraw",
+    inputs: [
+      {
+        name: "holder",
+        type: "address",
+        internalType: "address"
+      },
+      {
+        name: "token",
+        type: "address",
+        internalType: "address"
+      }
+    ],
+    outputs: [
+      {
+        name: "balance",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "eraseMemberships",
+    inputs: [
+      {
+        name: "idCommitments",
+        type: "uint256[]",
+        internalType: "uint256[]"
+      }
+    ],
+    outputs: [],
+    stateMutability: "nonpayable"
+  },
+  {
+    type: "function",
+    name: "eraseMemberships",
+    inputs: [
+      {
+        name: "idCommitments",
+        type: "uint256[]",
+        internalType: "uint256[]"
+      },
+      {
+        name: "eraseFromMembershipSet",
+        type: "bool",
+        internalType: "bool"
+      }
+    ],
+    outputs: [],
+    stateMutability: "nonpayable"
+  },
+  {
+    type: "function",
+    name: "extendMemberships",
+    inputs: [
+      {
+        name: "idCommitments",
+        type: "uint256[]",
+        internalType: "uint256[]"
+      }
+    ],
+    outputs: [],
+    stateMutability: "nonpayable"
+  },
+  {
+    type: "function",
+    name: "getMembershipInfo",
+    inputs: [
+      {
+        name: "idCommitment",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    outputs: [
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "getMerkleProof",
+    inputs: [
+      {
+        name: "index",
+        type: "uint40",
+        internalType: "uint40"
+      }
+    ],
+    outputs: [
+      {
+        name: "",
+        type: "uint256[20]",
+        internalType: "uint256[20]"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "getRateCommitmentsInRangeBoundsInclusive",
+    inputs: [
+      {
+        name: "startIndex",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "endIndex",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    outputs: [
+      {
+        name: "",
+        type: "uint256[]",
+        internalType: "uint256[]"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "gracePeriodDurationForNewMemberships",
+    inputs: [],
+    outputs: [
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "indicesOfLazilyErasedMemberships",
+    inputs: [
+      {
+        name: "",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    outputs: [
+      {
+        name: "",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    stateMutability: "view"
+  },
+  {
+    type: "function",
+    name: "initialize",
+    inputs: [
+      {
+        name: "_priceCalculator",
+        type: "address",
+        internalType: "address"
+      },
+      {
+        name: "_maxTotalRateLimit",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "_minMembershipRateLimit",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "_maxMembershipRateLimit",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "_activeDuration",
+        type: "uint32",
+        internalType: "uint32"
+      },
+      {
+        name: "_gracePeriod",
+        type: "uint32",
+        internalType: "uint32"
+      }
+    ],
+    outputs: [],
+    stateMutability: "nonpayable"
+  },
+  {
+    type: "function",
+    name: "isExpired",
+    inputs: [
+      {
+        name: "_idCommitment",
+        type: "uint256",
+        internalType: "uint256"
+      }
+    ],
+    outputs: [
+      {
+        name: "",
+        type: "bool",
+        internalType: "bool"
+      }
+    ],
+    stateMutability: "view"
+  }
+];
diff --git a/src/contract/constants.ts b/src/contract/constants.ts
index f884ce7..923d666 100644
--- a/src/contract/constants.ts
+++ b/src/contract/constants.ts
@@ -1,68 +1,7 @@
-// ref https://github.com/waku-org/waku-rln-contract/blob/19fded82bca07e7b535b429dc507cfb83f10dfcf/deployments/sepolia/WakuRlnRegistry_Implementation.json#L3
-export const RLN_REGISTRY_ABI = [
-  "error IncompatibleStorage()",
-  "error IncompatibleStorageIndex()",
-  "error NoStorageContractAvailable()",
-  "error StorageAlreadyExists(address storageAddress)",
-  "event AdminChanged(address previousAdmin, address newAdmin)",
-  "event BeaconUpgraded(address indexed beacon)",
-  "event Initialized(uint8 version)",
-  "event NewStorageContract(uint16 index, address storageAddress)",
-  "event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)",
-  "event Upgraded(address indexed implementation)",
-  "function forceProgress()",
-  "function initialize(address _poseidonHasher)",
-  "function newStorage()",
-  "function nextStorageIndex() view returns (uint16)",
-  "function owner() view returns (address)",
-  "function poseidonHasher() view returns (address)",
-  "function proxiableUUID() view returns (bytes32)",
-  "function register(uint16 storageIndex, uint256 commitment)",
-  "function register(uint256[] commitments)",
-  "function register(uint16 storageIndex, uint256[] commitments)",
-  "function registerStorage(address storageAddress)",
-  "function renounceOwnership()",
-  "function storages(uint16) view returns (address)",
-  "function transferOwnership(address newOwner)",
-  "function upgradeTo(address newImplementation)",
-  "function upgradeToAndCall(address newImplementation, bytes data) payable",
-  "function usingStorageIndex() view returns (uint16)"
-];
-
-// ref https://github.com/waku-org/waku-rln-contract/blob/19fded82bca07e7b535b429dc507cfb83f10dfcf/deployments/sepolia/WakuRlnStorage_0.json#L3
-export const RLN_STORAGE_ABI = [
-  "constructor(address _poseidonHasher, uint16 _contractIndex)",
-  "error DuplicateIdCommitment()",
-  "error FullTree()",
-  "error InvalidIdCommitment(uint256 idCommitment)",
-  "error NotImplemented()",
-  "event MemberRegistered(uint256 idCommitment, uint256 index)",
-  "event MemberWithdrawn(uint256 idCommitment, uint256 index)",
-  "event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)",
-  "function DEPTH() view returns (uint256)",
-  "function MEMBERSHIP_DEPOSIT() view returns (uint256)",
-  "function SET_SIZE() view returns (uint256)",
-  "function contractIndex() view returns (uint16)",
-  "function deployedBlockNumber() view returns (uint32)",
-  "function idCommitmentIndex() view returns (uint256)",
-  "function isValidCommitment(uint256 idCommitment) view returns (bool)",
-  "function memberExists(uint256) view returns (bool)",
-  "function members(uint256) view returns (uint256)",
-  "function owner() view returns (address)",
-  "function poseidonHasher() view returns (address)",
-  "function register(uint256[] idCommitments)",
-  "function register(uint256 idCommitment) payable",
-  "function renounceOwnership()",
-  "function slash(uint256 idCommitment, address receiver, uint256[8] proof) pure",
-  "function stakedAmounts(uint256) view returns (uint256)",
-  "function transferOwnership(address newOwner)",
-  "function verifier() view returns (address)",
-  "function withdraw() pure",
-  "function withdrawalBalance(address) view returns (uint256)"
-];
+import { RLNv2ABI } from "./abis/rlnv2";
 
 export const SEPOLIA_CONTRACT = {
   chainId: 11155111,
-  address: "0xF471d71E9b1455bBF4b85d475afb9BB0954A29c4",
-  abi: RLN_REGISTRY_ABI
+  address: "0xCB33Aa5B38d79E3D9Fa8B10afF38AA201399a7e3",
+  abi: RLNv2ABI
 };