[SIMD-LAUNCH]

Token name: SIMDTEST

Token symbol: SIMDTEST

The token SIMDTEST (symbol SIMDTEST) is launched with a total supply of 1,000,000,000 tokens with 18 decimals, 90% supplied initially to the pool paired with IMD, and 10% allocated to the swarm as required. The token itself is a standard ERC-20 with no taxes, limits, pausing, or minting beyond initial supply. A hook contract SIMDTESTHook is deployed and integrated with the Uniswap v4 pool that charges fees on swaps with these mechanics: 1) Anti-snipe fee: for the first 10 blocks after pool opening, an additional swap fee begins at 30% and linearly decays to 0%, with the full anti-snipe fee amount donated back into the pool's liquidity range via the PoolManager's donate function. This fee applies on both swaps and increases effective costs for early trades but strengthens liquidity. 2) Staking vault fee: an additional fixed 1% swap fee on top of the pool's standard 1.25% fee is charged on the paired currency (IMD) and sent to a dedicated staking vault contract SIMDTESTVault. Holders can stake SIMDTEST tokens in SIMDTESTVault to earn IMD rewards distributed pro rata according to stake size and staking duration. Staking and unstaking can occur at any time, and holders can claim accrued IMD rewards on demand. No portion of fees are burned; all fees above pool fees are either donated as liquidity or sent to the staking vault. The hook has no owner, upgradeability, or pausing capability. The hook acts on Uniswap v4 hook callbacks for swaps and pool opening to implement the anti-snipe timing and fees. The SIMD 1% creator fee is handled externally as per SIMD Launchpad rules and is not implemented in the hook. The hook and vault must be tested thoroughly covering: correct anti-snipe fee calculation and linear decay over first 10 blocks, verifying anti-snipe fees are donated to liquidity without burning paired currency; proper charging and routing of the 1% staking vault fee; staking and unstaking functionality working correctly in SIMDTESTVault; accurate proportional distribution of IMD rewards for all stakers over time; ensuring no unexpected owner controls or upgrade paths exist, and compliance with all SIMD launchpad fixed rules on fees and token mechanics.

Build requirements (mandatory):

• A complete Foundry project at the repository root: foundry.toml with solc 0.8.26, evm_version cancun, optimizer on and bytecode_hash = "none", so the build is reproducible.
• Contracts: SIMDTESTHook, SIMDTESTVault. The hook is the hook of this launch's pool; keep its creation code within the EIP-3860 size limit.
• No selfdestruct and no delegatecall anywhere in runtime code. No proxies, no owner, no upgradeability.
• Chain: Ethereum mainnet (chainId 1). Uniswap v4 PoolManager: 0x000000000004444c5dc75cB358380D2e3dE08A90 (pass it to the hook constructor).
• Paired currency: IMD, the ERC-20 at 0xd34a99bc0f67ae1bbd63c660e6d0b0dd03e263b7 on Ethereum mainnet (18 decimals).
• Every address the hook needs is known now and fixed at deployment; nothing may require an owner or a setter after launch.