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| 1 | +// SPDX-License-Identifier: MIT |
| 2 | +pragma solidity ^0.8.0; |
| 3 | + |
| 4 | +import {Script} from "forge-std/Script.sol"; |
| 5 | +import {VRFCoordinatorV2_5Mock} from "@chainlink/contracts@1.2.0/src/v0.8/vrf/mocks/VRFCoordinatorV2_5Mock.sol"; |
| 6 | +import {LinkToken} from "test/mocks/LinkToken.sol"; |
| 7 | + |
| 8 | +abstract contract CodeConstants { |
| 9 | + /* VRF Mock Values */ |
| 10 | + uint96 public MOCK_BASE_FEE = 0.25 ether; |
| 11 | + uint96 public MOCK_GAS_PRICE_LINK = 1e9; |
| 12 | + // LINK / ETH price |
| 13 | + int256 public MOCK_WEI_PER_UINT_LINK = 4e15 * 100; |
| 14 | + |
| 15 | + uint256 public constant ETH_SEPOLIA_CHAIN_ID = 11155111; |
| 16 | + uint256 public constant LOCAL_CHAIN_ID = 31337; |
| 17 | +} |
| 18 | + |
| 19 | +contract HelperConfig is CodeConstants, Script { |
| 20 | + error HelperConfig_InvalidChainId(); |
| 21 | + |
| 22 | + NetworkConfig public localNetworkConfig; |
| 23 | + |
| 24 | + struct NetworkConfig { |
| 25 | + uint256 entranceFee; |
| 26 | + uint256 interval; |
| 27 | + address vrfCoordinator; |
| 28 | + bytes32 gasLane; |
| 29 | + uint32 callbackGasLimit; |
| 30 | + uint256 subscriptionId; |
| 31 | + address link; |
| 32 | + address account; |
| 33 | + } |
| 34 | + |
| 35 | + mapping(uint256 chainId => NetworkConfig) public networkConfigs; |
| 36 | + |
| 37 | + constructor() { |
| 38 | + networkConfigs[ETH_SEPOLIA_CHAIN_ID] = getSepoliaEthConfig(); |
| 39 | + } |
| 40 | + |
| 41 | + function getSepoliaEthConfig() public pure returns (NetworkConfig memory) { |
| 42 | + return NetworkConfig({ |
| 43 | + entranceFee: 0.01 ether, |
| 44 | + interval: 30, |
| 45 | + vrfCoordinator: 0xD7f86b4b8Cae7D942340FF628F82735b7a20893a, |
| 46 | + gasLane: 0x8077df514608a09f83e4e8d300645594e5d7234665448ba83f51a50f842bd3d9, |
| 47 | + callbackGasLimit: 500000, |
| 48 | + subscriptionId: 0, |
| 49 | + link: 0x779877A7B0D9E8603169DdbD7836e478b4624789, |
| 50 | + account: 0x3E685957dDd8d988f4C2C9834e5eaD361B5B6a35 |
| 51 | + }); |
| 52 | + } |
| 53 | + |
| 54 | + function getConfig() public returns (NetworkConfig memory) { |
| 55 | + return getConfigByChainId(block.chainid); |
| 56 | + } |
| 57 | + |
| 58 | + function getConfigByChainId(uint256 chainId) public returns (NetworkConfig memory) { |
| 59 | + if (networkConfigs[chainId].vrfCoordinator != address(0)) { |
| 60 | + return networkConfigs[chainId]; |
| 61 | + } else if (chainId == LOCAL_CHAIN_ID) { |
| 62 | + return getOrCreateAnvilEthConfig(); |
| 63 | + } else { |
| 64 | + revert HelperConfig_InvalidChainId(); |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + function getOrCreateAnvilEthConfig() public returns (NetworkConfig memory) { |
| 69 | + if (localNetworkConfig.vrfCoordinator != address(0)) { |
| 70 | + return localNetworkConfig; |
| 71 | + } |
| 72 | + |
| 73 | + vm.startBroadcast(); |
| 74 | + VRFCoordinatorV2_5Mock vrfCoordinatorMock = |
| 75 | + new VRFCoordinatorV2_5Mock(MOCK_BASE_FEE, MOCK_GAS_PRICE_LINK, MOCK_WEI_PER_UINT_LINK); |
| 76 | + LinkToken link = new LinkToken(); |
| 77 | + vm.stopBroadcast(); |
| 78 | + |
| 79 | + localNetworkConfig = NetworkConfig({ |
| 80 | + entranceFee: 0.01 ether, |
| 81 | + interval: 30, |
| 82 | + vrfCoordinator: address(vrfCoordinatorMock), |
| 83 | + gasLane: 0x8077df514608a09f83e4e8d300645594e5d7234665448ba83f51a50f842bd3d9, |
| 84 | + callbackGasLimit: 500000, |
| 85 | + subscriptionId: 0, //fix this one |
| 86 | + link: address(link), |
| 87 | + account: 0x1804c8AB1F12E6bbf3894d4083f33e07309d1f38 |
| 88 | + }); |
| 89 | + return localNetworkConfig; |
| 90 | + } |
| 91 | +} |
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