ICO Token Launchpad

A smart contract suite for launching and managing ICOs (Initial Coin Offerings) with built-in vesting, bonus logic, and upgradability via proxy pattern.

Contract

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Features

• Create and manage multiple ICOs
• Flexible token sale parameters (price, amount, dates, bonus)
• Built-in vesting for purchased tokens
• TransparentUpgradeableProxy for contract upgrades
• Designed for integration with dApps and UIs

Architecture

• Launchpad.sol: Main contract for ICO creation, token sales, vesting, and bonus logic.
• VestingImplementation.sol: Handles token vesting schedules and claims for beneficiaries.
• TransparentUpgradeableProxy.sol: OpenZeppelin-based proxy for upgradable contracts.

Main Functions

• createICO(ICOParams memory params): Start a new ICO
• buyToken(uint256 id, uint256 amountToBuy, address buyer): Buy tokens from an ICO
• closeICO(uint256 id): Close an ICO and reclaim unsold tokens
• getICO(uint256 id): View ICO parameters and state
• getValue(uint256 id, uint256 amount): Calculate payment required for token purchase

Vesting Contract

• allocateTokens(address to, uint256 amount, ...): Allocate tokens with vesting
• claim() / claimBehalf(address): Claim unlocked tokens
• getUnlockedAmount(address): View claimable and locked tokens

Example Usage

1. Create ICO: Call createICO with desired parameters (ensure tokens are approved for transfer)
2. Buy Tokens: Call buyToken (ensure payment tokens are approved)
3. Claim Vested Tokens: Use claim or claimBehalf on the vesting contract

Contributing

Pull requests and issues are welcome! Please open an issue to discuss your proposal before submitting a PR.

License

No License (None)