testDecoder.js

const ABIDecoder = require('./abiDecoder');

/**
 * 测试ABI解码器的功能
 */
async function runTests() {
    console.log('===== ABI解码器测试 =====\n');
    
    const decoder = new ABIDecoder();
    decoder.init(); // 初始化，不依赖实际节点连接
    
    // 测试1: 解码ERC20转账交易数据
    console.log('测试1: 解码ERC20转账交易数据');
    const transferData = '0xa9059cbb0000000000000000000000001234567890123456789012345678901234567890000000000000000000000000000000000000000000000000de0b6b3a7640000';
    const transferResult = decoder.decodeTransactionData(transferData);
    console.log(JSON.stringify(transferResult, null, 2));
    console.log('验证结果: 函数签名应为 0xa9059cbb');
    console.log(`验证通过: ${transferResult.signature === '0xa9059cbb'}`);
    console.log('验证结果: 函数名称应为 transfer(address,uint256)');
    console.log(`验证通过: ${transferResult.functionName === 'transfer(address,uint256)'}`);
    console.log('验证结果: 应有2个参数');
    console.log(`验证通过: ${transferResult.params && transferResult.params.param1 && transferResult.params.param2 ? '是' : '否'}`);
    console.log('------------------------\n');
    
    // 测试2: 解码approve函数
    console.log('测试2: 解码approve函数');
    const approveData = '0x095ea7b3000000000000000000000000987654321098765432109876543210987654321000000000000000000000000000000000000000000000000016345785d8a0000';
    const approveResult = decoder.decodeTransactionData(approveData);
    console.log(JSON.stringify(approveResult, null, 2));
    console.log('验证结果: 函数签名应为 0x095ea7b3');
    console.log(`验证通过: ${approveResult.signature === '0x095ea7b3'}`);
    console.log('------------------------\n');
    
    // 测试3: 解码未知函数签名
    console.log('测试3: 解码未知函数签名');
    const unknownData = '0x1234abcd0000000000000000000000000000000000000000000000000000000000000001';
    const unknownResult = decoder.decodeTransactionData(unknownData);
    console.log(JSON.stringify(unknownResult, null, 2));
    console.log('验证结果: 应识别为未知函数');
    console.log(`验证通过: ${unknownResult.functionName === '未知函数'}`);
    console.log('------------------------\n');
    
    // 测试4: 添加自定义函数签名
    console.log('测试4: 添加自定义函数签名');
    decoder.addFunctionSignatures({
        '0x1234abcd': 'customFunction(uint256)'
    });
    const customResult = decoder.decodeTransactionData(unknownData);
    console.log(JSON.stringify(customResult, null, 2));
    console.log('验证结果: 应识别为自定义函数');
    console.log(`验证通过: ${customResult.functionName === 'customFunction(uint256)'}`);
    console.log('------------------------\n');
    
    // 测试5: 无效数据格式
    console.log('测试5: 无效数据格式');
    const invalidData = 'invalid_data';
    const invalidResult = decoder.decodeTransactionData(invalidData);
    console.log(JSON.stringify(invalidResult, null, 2));
    console.log('验证结果: 应返回错误信息');
    console.log(`验证通过: ${invalidResult.error !== undefined}`);
    console.log('------------------------\n');
    
    // 测试6: 解码复杂参数类型（如multicall）
    console.log('测试6: 解码multicall函数');
    const multicallData = '0x02751cec00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000004470a082310000000000000000000000001234567890123456789012345678901234567890000000000000000000000000000000000000000000000000000000000000000';
    const multicallResult = decoder.decodeTransactionData(multicallData);
    console.log(JSON.stringify(multicallResult, null, 2));
    console.log('------------------------\n');
    
    // 测试7: 测试交易哈希格式验证
    console.log('测试7: 测试交易哈希格式验证');
    const validHash = '0x1234567890123456789012345678901234567890123456789012345678901234';
    const invalidHash = 'invalid_hash';
    console.log(`有效哈希验证: ${decoder.isPossibleTransactionHash(validHash)}`);
    console.log(`无效哈希验证: ${!decoder.isPossibleTransactionHash(invalidHash)}`);
    console.log('------------------------\n');
    
    console.log('===== 测试完成 =====');
    console.log('注意: 由于没有实际连接到以太坊节点，无法测试从交易哈希获取数据的功能');
    console.log('要测试完整功能，请确保有有效的以太坊节点连接，并使用真实的交易哈希');
}

// 运行测试
runTests().catch(error => {
    console.error('测试失败:', error);
    process.exit(1);
});