VRF Randomness Kit — Oracle Forge

Contract Details

Categorycontracts

Files12

Price$9.99

Tech Stack

Solidity ^0.8.24 Chainlink VRF V2.5 Foundry

Chains

Ethereum Arbitrum Base Polygon

Description

Verifiable random function integration for provably fair on-chain randomness. Includes VRF consumer contract, request manager, callback handler, and subscription management. Compatible with Chainlink VRF V2.5. Foundry tests with mock VRF coordinator.

Features

✓ VRF V2.5 consumer contract
✓ Request manager with callback routing
✓ Subscription management helpers
✓ Configurable gas lane and limits
✓ Request tracking and fulfillment status
✓ Multiple random word support
✓ Mock VRF coordinator for testing
✓ Gas-efficient callback handling
✓ Ownable2Step access control
✓ Full Foundry test suite

vrf-randomness-kit.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @title VRF Randomness Kit
/// @notice VRF integration for provably fair on-chain randomness with Chainlink V2.5.
contract VrfRandomnessKit {
    address public immutable owner;
    uint256 public constant VERSION = 1;

    event Initialized(address indexed deployer);

    constructor() {
        owner = msg.sender;
        emit Initialized(msg.sender);
    }

    // ... full implementation in purchased package
}