> ## Documentation Index > Fetch the complete documentation index at: https://docs.raydium.io/llms.txt > Use this file to discover all available pages before exploring further. # 2026-10-30 — CPMM: InitializeV2 opens the creator fee to every pool creator > CPMM adds InitializeV2, a permissionless pool-creation instruction that takes an optional creator_fee_on argument. Any creator can now enable the creator fee and choose its side without a Permission PDA. Initialize, InitializeWithPermission and every other instruction are unchanged. Additive: no account layout, error code or existing account list changed. > [!NOTE] > > This entry covers a CPMM program upgrade scheduled for **2026-10-30**. It was verified against the `feat/initialize-v2` branch of `raydium-cp-swap` (head `40cbd81`) before deployment. Confirm the deployed program before relying on the new instruction. Every CPMM pool has an `enable_creator_fee` flag and a `creator_fee_on` side, both fixed at creation. Until now, a creator could only set them through `InitializeWithPermission`, which needs an admin-issued `Permission` PDA. The public `Initialize` always stored the fee as disabled. In practice, only LaunchLab graduations and other gated flows could create a pool that charges a creator fee. This release adds **`InitializeV2`**. It is `Initialize` with one extra argument, `creator_fee_on: Option`, and anyone can call it. Pool math, swap, liquidity, fee collection and the protocol share of the creator fee are untouched. ## TL;DR for integrators * **New instruction: `InitializeV2`.** Permissionless. Arguments are `init_amount_0`, `init_amount_1`, `open_time` and `creator_fee_on: Option`. Discriminator `[67, 153, 175, 39, 218, 16, 38, 32]`. * **`Some(side)` enables the creator fee on that side; `None` leaves it off.** `None` stores exactly what `Initialize` stores. * **Same accounts as `Initialize`, minus `rent`.** The first 19 accounts are identical and in the same order. See [the account list](https://docs.raydium.io/products/cpmm/instructions.md#initializev2). * **The creator is the signer.** `pool_state.pool_creator` is the signing `creator`. Unlike `InitializeWithPermission`, the beneficiary cannot be set to another address. * **The creator picks on/off and the side, not the rate.** The pool charges its fee tier's `AmmConfig.creator_fee_rate`. That rate defaults to `0`, so an enabled pool on such a tier accrues nothing. * **Nothing existing changed.** `Initialize` and `InitializeWithPermission` keep their discriminators, accounts, arguments and behaviour. No account layout or error code changed. * **Refresh your IDL** to get the new instruction. Clients that never call it need no change. ## What changed in the program ### New instruction: `InitializeV2` `InitializeV2` runs the same creation code as `Initialize`. It: * accepts either the canonical pool PDA or a signed random keypair as `pool_state`; * applies the same Token-2022 allow-list and `SupportMintAssociated` checks, through `remaining_accounts`; * rejects creation when `amm_config.disable_create_pool` is set; * bumps `open_time` to `block_timestamp + 1` when it is not in the future; * locks 100 LP base units and mints the rest to the creator; * charges `amm_config.create_pool_fee`. The only difference is what it writes into the new `PoolState`: | `creator_fee_on` argument | Borsh bytes | `enable_creator_fee` | `creator_fee_on` | | - | - | - | - | | `None` | `00` | `false` | `0` (`BothToken`) | | `Some(BothToken)` | `01 00` | `true` | `0` | | `Some(OnlyToken0)` | `01 01` | `true` | `1` | | `Some(OnlyToken1)` | `01 02` | `true` | `2` | An invalid tag or variant byte fails Anchor's argument deserialization. No new error code is involved. | | Discriminator | | - | - | | `initialize` (unchanged) | `[175, 175, 109, 31, 13, 152, 155, 237]` | | `initialize_with_permission` (unchanged) | `[63, 55, 254, 65, 49, 178, 89, 121]` | | `initialize_v2` (new) | `[67, 153, 175, 39, 218, 16, 38, 32]` | ### How the three creation paths compare | | `Initialize` | `InitializeV2` | `InitializeWithPermission` | | - | - | - | - | | Who can call | Anyone | Anyone | Holder of a `Permission` PDA | | Creator fee | Always off | Creator's choice | Always on | | Side (`creator_fee_on`) | `BothToken` (unused) | Creator's choice | Caller's choice | | Recorded `pool_creator` | Signing `creator` | Signing `creator` | Separate `creator` account, not a signer | | Payer | `creator` | `creator` | Separate `payer` | | Trailing `rent` sysvar | Yes | No | No | ### Internal refactor The three handlers now share one `initialize_pool` routine. The refactor does not change the accounts, arguments, checks or stored values of `Initialize` or `InitializeWithPermission`. The new tests also check that a plain `Initialize` on the same config still stores the creator fee as disabled. ## What creators should know * **Check the fee tier first.** The creator fee rate belongs to the `AmmConfig`, not the pool. Choose a tier whose `creator_fee_rate` is what you want to charge. Rates are listed in [`products/cpmm/fees`](https://docs.raydium.io/products/cpmm/fees). * **The choice is permanent.** No instruction changes `enable_creator_fee` or `creator_fee_on` after creation. To change it, you must create a new pool. * **Traders pay it on top of the trade fee.** The creator fee is a separate rate added to the swap. It does not reduce the LP, protocol or fund shares, but it does make the pool more expensive to trade against than a pool on the same tier with the fee off. * **Collection is unchanged.** Use `CollectCreatorFee` or `CollectCreatorFeePermissionless`. The protocol's share from the [2026-09-19 release](https://docs.raydium.io/reference/changelog/2026-09-19-cpmm-creator-fee-protocol-share.md) applies, and you can't opt out of it at creation. ## Migration notes * **Pool creators.** Switch from `Initialize` to `InitializeV2` only if you want the creator fee on. Pass `Some(side)` and drop the `rent` account. `Initialize` keeps working. * **SDK users.** `raydium.cpmm.createPool` in `@raydium-io/raydium-sdk-v2@0.2.64-alpha` builds `Initialize`. Until a release ships an `InitializeV2` builder, encode it from the refreshed IDL. * **Indexers and routers.** Expect more pools with `enable_creator_fee = true`, created by ordinary wallets rather than LaunchLab. Quote from each pool's own `enable_creator_fee` and `creator_fee_on`, never from the creation path or the tier alone. Decode the new instruction if you track pool creation from instructions. Tracking from `PoolState` accounts needs no change. * **UIs.** Show whether a pool charges a creator fee and at what rate, since two pools on the same tier can now differ. * **LaunchLab and other permissioned flows.** No change. `InitializeWithPermission` is still the path when the payer and the recorded creator must differ. ## What did not change * **Every account layout**, including `PoolState` and `AmmConfig`. * **`Initialize` and `InitializeWithPermission`**: discriminators, accounts, arguments and stored values. * **`Permission`, `CreatePermissionPda` and `ClosePermissionPda`.** * **Swap, deposit and withdraw math**, the creator-fee charge, and the protocol share of the creator fee. * **Error codes.** `6000`–`6015` are unchanged; nothing appended. * **Program ID.** ## Pages updated * `products/cpmm/instructions`: upgrade banner; summary and state-change matrix rows; new `InitializeV2` section with arguments, encoding and account list; `Initialize` postcondition now points to `InitializeV2`. * `products/cpmm/fees`: "Creator fee" section lists all three creation paths and notes that enabling the fee does not set its rate. * `products/cpmm/accounts`: `poolState` and pool-ID notes; `creator_fee_on` / `enable_creator_fee` field notes; `Permission` note; account-lifecycle row. * `products/cpmm/overview`: "What's new" callout and the "Predictable fees" bullet. * `products/cpmm/code-demos`: note that `createPool` builds `Initialize` and how to reach `InitializeV2`. * `protocol-overview/shared-infrastructure`: creator fees are no longer limited to LaunchLab-graduated pools. * `reference/token-2022-support`: CPMM pool-creation paths. **Verified against**: `raydium-cp-swap` branch `feat/initialize-v2` (`40cbd81`): `programs/cp-swap/src/lib.rs`, `instructions/initialize_v2.rs`, `instructions/initialize.rs`, `instructions/initialize_with_permission.rs`, `instructions/mod.rs`, `states/pool.rs`, and `tests/initialize_v2.test.ts`. 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