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pragma solidity ^0.8.13; | |
import "forge-std/Test.sol"; | |
import {MerkleProof} from "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; | |
contract Merkle is Test { | |
bytes32 public root; | |
bytes32[] public leafs; | |
bytes32[] public l2; | |
function setUp() public { | |
address[] memory addrss = new address[](4); | |
addrss[0] = 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2; | |
addrss[1] = 0x2d886570A0dA04885bfD6eb48eD8b8ff01A0eb7e; | |
addrss[2] = 0xed857ac80A9cc7ca07a1C213e79683A1883df07B; | |
addrss[3] = 0x690B9A9E9aa1C9dB991C7721a92d351Db4FaC990; | |
//通过地址列表计算叶子节点的hash值 | |
leafs.push(keccak256(abi.encodePacked(addrss[0]))); | |
leafs.push(keccak256(abi.encodePacked(addrss[1]))); | |
leafs.push(keccak256(abi.encodePacked(addrss[2]))); | |
leafs.push(keccak256(abi.encodePacked(addrss[3]))); | |
//计算第二层的hash值 | |
l2.push(keccak256(abi.encodePacked(leafs[0], leafs[1]))); | |
l2.push(keccak256(abi.encodePacked(leafs[2], leafs[3]))); | |
//计算根的hash值 | |
root = keccak256(abi.encodePacked(l2[1], l2[0])); | |
} | |
function testVerify() public { | |
address proofAddress = 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2; | |
bytes32[] memory proof = new bytes32[](2); | |
proof[0] = leafs[1]; | |
proof[1] = l2[1]; | |
assert( | |
MerkleProof.verify( | |
proof, | |
root, | |
keccak256(abi.encodePacked(proofAddress)) | |
) | |
); | |
} | |
} |
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