Uniswap V2 Ethereum Launch
Launch an ERC-20 token on Uniswap V2 Ethereum with WETH liquidity, private bundle buys, tax controls, and starter strategies.
Sumo supports Ethereum launches through Uniswap V2 Ethereum. The flow creates an ERC-20 launch token, prepares a WETH pair, opens trading with initial liquidity, executes private bundle buys, and transitions the pre-launch draft into an active trading profile.
Prerequisites
Before launching, make sure you have:
- Token metadata ready: name, ticker, image, description, and social links
- Total supply and token decimals
- ETH for contract deployment, pool creation, initial liquidity, bundle buys, and gas buffers
- A launch plan: target supply control, pool-token percentage, bundle wallet count, and optional tax settings
- A wallet plan: use ready wallets from private keys, Wallet Farm, or another profile, or create new EVM wallets / buy aged EVM wallets through Wallet Marketplace during the wizard
WETH Quote Asset
Uniswap V2 Ethereum launches are WETH-quoted. In the form, operators enter ETH amounts; Sumo stores the profile quote asset as WETH after pool creation.
Launch Flow
The Uniswap V2 Ethereum launch uses the same six-step launch wizard as other launch methods.
1. Info
Choose Uniswap V2 Ethereum in the Launchpad field, then enter the token and profile details.
| Field | Required | Description |
|---|---|---|
| Launchpad | Yes | Select Uniswap V2 Ethereum. The launchpad is locked after the draft is saved. |
| Profile Name | Yes | Internal Sumo profile name used after launch |
| Token Name | Yes | ERC-20 token name |
| Ticker | Yes | ERC-20 token symbol, auto-uppercased |
| Total Supply | Yes | ERC-20 total supply before decimals |
| Decimals | Yes | ERC-20 display decimals, commonly 18 |
| Image | Yes | JPG or PNG image, up to 2 MB |
| Description | No | Public token description |
| X, Telegram, Website | No | Public social links attached to the profile |
2. Buy Mode
Configure liquidity, supply control, wallet counts, and optional token controls.
| Setting | Description |
|---|---|
| Launch plan | Sets the supply the dev wallet keeps, the bundle and the snipe on one bar, with the cost strip under it; see Launch Plan. Dev keeps plus bundle: 1% to 99.99% (Max 99.99%). |
| Initial Liquidity ETH | ETH supplied by the dev wallet when opening trading. |
| Initial Liquidity Tokens | Percentage of total supply supplied to the pool. The remainder stays with the dev wallet. |
| Bundle cost | Launch plan cost strip: initial pool liquidity, bundle buys with the pool fee, each wallet's gas reserve, and the deployer's deploy reserve. CEX funding buffers are not part of it; they are added in Funds needed. |
| Market cap | Launch plan cost strip (MCap after with a snipe): estimated from Uniswap V2 reserves after bundle buys, using the ETH/USD reference price. |
| Dev keeps | Launch plan row: supply the dev wallet keeps beside the liquidity instead of buying, 0% to 99.9999%. It is the complement of Initial Liquidity Tokens: editing it also updates Initial Liquidity Tokens. |
| Bundle · at launch | Launch plan row: the share the bundle wallets buy from the pool, without the supply the dev wallet keeps. |
| Bundle Wallets | Number of EVM wallets buying in the private launch bundle. Uniswap V2 Ethereum supports up to 48. With 0 bundle wallets the launch only deploys the token and adds liquidity: there are no launch buys, Holder Wallets are hidden, and no token cleanup runs. With Token Supply launch-fee payment the fee then comes from the supply the dev keeps outside the pool, so that retained share must be at least the fee share of supply; otherwise use a Launch Ticket. |
| Funds Per Bundle Wallet | ETH reserved per bundle wallet for gas. Minimum 0.01 ETH. |
| Injection Wallets | Optional extra wallets, up to 100, funded with ETH for activity after launch. They do not buy in the launch or take part in cleanup. |
| Funds Per Injection Wallet | Shown when Injection Wallets is above 0. ETH sent to each injection wallet during funding. Defaults to 0. |
| Token Cleanup Method | Off, Token Transfer, or Sell / Buy. Redistributes bundle-wallet tokens to holder wallets and sweeps residual native balances after the launch buys confirm. New drafts default to Sell / Buy. |
| Holder Wallets | Use at least one holder per bundle wallet and no more than 100 holders per bundle wallet. With Token Cleanup Method Off the wallets are still created, but nothing funds or fills them, and the per-bundle-wallet limits do not apply. |
| Native Funds Per Holder Wallet | Shown with Sell / Buy. ETH sent to each holder wallet during funding for its cleanup buy, seeded at 0.01 ETH. Each holder must hold at least 0.002 ETH before the launch is accepted. |
| CEX Funding | Optional Husher funding path for distributing ETH to launch wallets. |
| CEX Funding Buffer Per Wallet | Extra ETH added per wallet when CEX funding is enabled. Minimum 0.01 ETH. |
| Advanced Controls | Slippage, bundle supply jitter, and bundle priority fee in gwei. |
| Trading slippage | Default 1%, at most 10%. Becomes the new profile's default slippage for strategies and instant trades, changeable later in profile settings. On a taxed token the tax is added on top and saved (for example 1% + 5% tax = 6%). |
| Cleanup slippage | Sell / Buy holder cleanup only. Default 2%, at most 10%, not counting tax: the token's buy or sell tax is added automatically for each leg. Each cleanup sell and buy gets up to three attempts, each with 1% more tolerance, up to 10%. |
Tax Controls
Tax Controls are optional and disabled by default. When disabled, the token deploys from the no-tax contract template. When enabled, the launch token is deployed with tax, wallet-limit, and tax-clog settings.
| Setting | Description |
|---|---|
| Initial Buy Tax / Initial Sell Tax | Taxes applied during the initial tax period after the launch bundle finalizes launch taxes. |
| Final Buy Tax / Final Sell Tax | Taxes applied after the tax switchover block window. |
| Tax Switchover Blocks | Number of blocks before final taxes replace initial taxes. |
| Max Supply Per Wallet Limit | Optional maximum token balance per non-excluded wallet, as a percentage of total supply. |
| Tax Clog | When enabled, tax tokens accumulate on the token contract and can be swapped to ETH for the tax wallet. |
| Max Tax Swap Amount | Maximum tax-token amount sold in one automatic tax-clog swap. |
| Min Blocks Between Tax Swaps | Cooldown between automatic contract tax-token swaps. |
3. Wallets
Add, import, or generate wallets for each required EVM role.
| Role | Description |
|---|---|
| Dev Wallet | Deploys the token, creates the pool, supplies initial liquidity, opens trading, and receives retained supply. |
| Tax Wallet | Receives tax proceeds and submits later tax or limit updates. |
| Bundle Wallets | Execute private bundle buys after trading opens. |
| Injection Wallets | Optional wallets funded with ETH for activity after launch. They take no part in the launch or cleanup. |
| Holder Wallets | Receive tokens through post-launch cleanup when token cleanup is not Off. With Token Cleanup Method Off they are still created and stay empty. |
You can use ready wallets, create new wallets, or buy aged wallets at this step. Ready-wallet paths include importing private keys, pulling wallets from Wallet Farm, or reusing wallets from another profile. Additional paths include creating new wallets or buying aged inventory from Wallet Marketplace.
Sniper wallets are not used by Uniswap V2 Ethereum launches.
4. Funding
Save the draft before funding. Saving creates the pre-launch project, role wallet groups, optional funding wallet, and generated token metadata.
If CEX funding is enabled, deposit the estimated ETH into the funding wallet, check the balance, then use Fund to distribute ETH through Husher. If CEX funding is disabled, fund the dev, tax, and bundle wallets directly and use Check Balances.
The funding table lets you copy addresses, randomize bundle allocations, edit earlier bundle wallet percentages, reorder wallets within the same role, and verify ETH balances. The dev allocation and final bundle allocation are auto-balanced from the target.
5. Strategies
Optionally add starter strategies to the profile before launch. You can configure Counter Trade, DCA, and Limit Order strategies by hand, or apply a strategy preset: Sumo ships built-in Hyped, Standard, and Staircase presets, and your org can save its own presets for reuse across launches and imports. Strategies are saved with the draft and can be reviewed after the token is live.
6. Launch Preview
Review metadata, supply composition, wallet counts, funding rows, and starter strategies.
For Uniswap V2 Ethereum, the preview action sequence is:
- Deploy Contract - Deploys the generated ERC-20 launch token from the dev wallet.
- Create Pool - Creates the token/WETH Uniswap V2 pair.
- Simulate Bundle - Simulates the private launch bundle before submission.
- Launch Bundle - Opens trading with initial liquidity, executes bundle buys, updates the project to active when landed, and submits ownership renounce.
Snipe After Launch
Optional Snipe after launch wallets buy right after the launch lands, with their own sizing, delay, max premium, pacing and gas priority. Set Snipe Wallets to 0 (the default) and the launch is unchanged. See Snipe After Launch. With launch taxes on, the Initial Delay defaults to just after the initial tax window. On Ethereum and Base the default initial tax window (about 100 minutes) is longer than the 1-hour maximum delay, so the delay stops at 1 hour and the form warns that snipes still pay the initial tax.
After Launch
Once the bundle lands, the profile becomes active and opens in Live Trading. You can monitor trades, review launch logs, activate starter strategies, and manage taxes or limits from the supported launch-token controls.
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