Web3 数据神器：用 Go 解锁以太坊事件解析

Web3数据神器：用Go解锁以太坊事件解析在Web3时代，以太坊作为区块链世界的核心枢纽，每天产生海量的事件数据。如何从这些数据中快速提取有价值的信息，成为开发者解锁区块链潜力的关键。想象一下：用Go语言打造一个高效工具，轻松解析以太坊的交易收据和事件日志，获取精准的业务数据！本文通

Web3 数据神器：用 Go 解锁以太坊事件解析

在 Web3 时代，以太坊作为区块链世界的核心枢纽，每天产生海量的事件数据。如何从这些数据中快速提取有价值的信息，成为开发者解锁区块链潜力的关键。想象一下：用 Go 语言打造一个高效工具，轻松解析以太坊的交易收据和事件日志，获取精准的业务数据！本文通过一个实战项目（Ethertrace），手把手带你用 Go 构建一个 Web3 数据神器，从连接以太坊节点到解析 ConfirmDataStore 事件，全程代码清晰、测试覆盖 100%。无论你是 Web3 新手还是资深开发者，这篇干货将为你打开以太坊数据解析的大门！

本文通过一个基于 Go 语言的 Web3 数据解析项目（Ethertrace），详细展示如何打造一个以太坊事件解析工具。项目涵盖完整代码实现，包括连接以太坊节点（client.go）、解析 ConfirmDataStore 事件（event_parser.go）以及主程序逻辑（main.go）。通过 ethclient 获取交易收据和区块日志，结合 ABI 解析事件数据，工具高效且易用。项目还包含全面的测试用例（client_test.go 和 event_parser_test.go），实现 100% 测试覆盖率，并通过可视化报告验证代码质量。本文适合对 Web3 开发、以太坊数据提取或 Go 语言感兴趣的读者，提供了可复用的代码框架和实战经验。

实操

项目目录结构

Web3Wallet/ethertrace/go via 🐹 v1.24.2 took 3.0s 
➜ ls
ethertrace go.mod     go.sum     main.go

Web3Wallet/ethertrace/go via 🐹 v1.24.2 
➜ tree . -L 6 -I "__pycache__|python.egg-info|htmlcov|ethertrace.egg-info"
.
├── ethertrace
│   ├── client.go
│   ├── client_test.go
│   ├── coverage.out
│   ├── event_parser.go
│   └── event_parser_test.go
├── go.mod
├── go.sum
└── main.go

2 directories, 8 files

代码实现

client.go 文件

package ethertrace

import (
    "context"
    "fmt"
    "github.com/ethereum/go-ethereum"
    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core/types"
    "github.com/ethereum/go-ethereum/ethclient"
    "github.com/ethereum/go-ethereum/log"
    "math/big"
    "regexp"
)

var (
    // 支持的协议列表
    allowedSchemes = map[string]bool{
        "http":  true,
        "https": true,
        "ws":    true,
        "wss":   true,
    }

    // 域名格式验证（支持IP和域名）
    domainRegex = regexp.MustCompile(`^(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.?)+$`)
)

// EthClient 封装以太坊客户端
type EthClient struct {
    client *ethclient.Client
}

// NewEthClient 创建新的以太坊客户端
func NewEthClient(rpcURL string) (*EthClient, error) {
    // 判断 rpcURL
    // 1. 基础验证
    if rpcURL == "" {
        log.Error("Empty RPC URL provided")
        return nil, fmt.Errorf("empty RPC URL")
    }

    // 实际连接测试
    client, err := ethclient.DialContext(context.Background(), rpcURL)
    if err != nil {
        log.Error("Failed to connect to Ethereum node", "url", rpcURL, "error", err)
        return nil, err
    }
    return &EthClient{client: client}, nil
}

// GetTxReceiptByHash 获取交易收据
func (ec *EthClient) GetTxReceiptByHash(txHash string) (*types.Receipt, error) {
    hash := common.HexToHash(txHash)
    receipt, err := ec.client.TransactionReceipt(context.Background(), hash)
    if err != nil {
        log.Error("Failed to get transaction receipt", "txHash", txHash, "error", err)
        return nil, err
    }
    return receipt, nil
}

// GetLogs 获取指定区块范围内的日志
func (ec *EthClient) GetLogs(startBlock, endBlock *big.Int, addresses []common.Address) ([]*types.Log, error) {
    query := ethereum.FilterQuery{
        FromBlock: startBlock,
        ToBlock:   endBlock,
        Addresses: addresses,
    }
    logs, err := ec.client.FilterLogs(context.Background(), query)
    fmt.Println("GetLogs: ", logs)
    fmt.Println("err:", err)
    if err != nil {
        log.Error("Failed to get logs", "startBlock", startBlock, "endBlock", endBlock, "error", err)
        return nil, err
    }
    // Convert logs to pointers
    logPtrs := make([]*types.Log, len(logs))
    for i := range logs {
        logPtrs[i] = &logs[i]
    }
    return logPtrs, nil
}

// Close 关闭客户端连接
func (ec *EthClient) Close() {
    ec.client.Close()
}

event_parser.go 文件

package ethertrace

import (
    "errors"
    "strings"

    "github.com/ethereum/go-ethereum/accounts/abi"
    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core/types"
    "github.com/ethereum/go-ethereum/crypto"
    "github.com/ethereum/go-ethereum/log"
)

// EventParser 事件解析器
type EventParser struct {
    eventABI     abi.Arguments
    eventHash    common.Hash
    contractAddr common.Address
}

// ConfirmDataStoreData 存储解析后的事件数据
type ConfirmDataStoreData struct {
    DataStoreID uint32
    HeaderHash  common.Hash
}

// NewEventParser 创建 ConfirmDataStore 事件解析器
func NewEventParser(contractAddr string) (*EventParser, error) {
    // 验证合约地址
    if contractAddr == "" {
        return nil, errors.New("合约地址不能为空")
    }
    if !strings.HasPrefix(contractAddr, "0x") || len(contractAddr) != 42 {
        return nil, errors.New("无效的合约地址格式")
    }
    addr := common.HexToAddress(contractAddr)
    if addr.Hex() == "0x0000000000000000000000000000000000000000" {
        return nil, errors.New("合约地址不能为零地址")
    }

    // 定义 ConfirmDataStore 事件的 ABI
    uint32Type, _ := abi.NewType("uint32", "uint32", nil)
    //if err != nil {
    //  return nil, err
    //}
    bytes32Type, _ := abi.NewType("bytes32", "bytes32", nil)
    //if err != nil {
    //  return nil, err
    //}

    eventABI := abi.Arguments{
        {Name: "dataStoreId", Type: uint32Type},
        {Name: "headerHash", Type: bytes32Type},
    }

    // 计算事件签名哈希
    eventHash := crypto.Keccak256Hash([]byte("ConfirmDataStore(uint32,bytes32)"))

    return &EventParser{
        eventABI:     eventABI,
        eventHash:    eventHash,
        contractAddr: addr,
    }, nil
}

// EventHash returns the event signature hash
func (ep *EventParser) EventHash() common.Hash {
    return ep.eventHash
}

// ParseLogs 解析日志并提取 ConfirmDataStore 事件数据
func (ep *EventParser) ParseLogs(logs []*types.Log) ([]ConfirmDataStoreData, error) {
    var results []ConfirmDataStoreData

    for _, l := range logs {
        // 过滤合约地址和事件签名
        if !strings.EqualFold(l.Address.String(), ep.contractAddr.String()) {
            continue
        }
        if len(l.Topics) == 0 || l.Topics[0] != ep.eventHash {
            continue
        }

        // 解码日志数据
        dataMap := make(map[string]interface{})
        if err := ep.eventABI.UnpackIntoMap(dataMap, l.Data); err != nil {
            log.Error("Failed to unpack log data", "error", err)
            continue
        }

        // 提取字段
        dataStoreID, _ := dataMap["dataStoreId"].(uint32)
        //dataStoreID, ok := dataMap["dataStoreId"].(uint32)
        //if !ok {
        //  log.Warn("Invalid dataStoreId type")
        //  continue
        //}
        headerHash, _ := dataMap["headerHash"].([32]byte)
        //headerHash, ok := dataMap["headerHash"].([32]byte)
        //if !ok {
        //  log.Warn("Invalid headerHash type")
        //  continue
        //}

        results = append(results, ConfirmDataStoreData{
            DataStoreID: dataStoreID,
            HeaderHash:  common.Hash(headerHash),
        })
    }

    return results, nil
}

main.go 文件

package main

import (
    "fmt"
    "math/big"

    "github.com/ethereum/go-ethereum/common"

    "github.com/qiaopengjun5162/ethertrace/go/ethertrace"
)

const (
    rpcURL        = "https://rpc.mevblocker.io"
    contractAddr  = "0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"
    txHashExample = "0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e"
    startBlock    = 20483831
    endBlock      = 20483833
)

func main() {
    // 初始化客户端
    client, err := ethertrace.NewEthClient(rpcURL)
    if err != nil {
        fmt.Printf("Failed to create eth client: %v\n", err)
        return
    }
    defer client.Close()

    // 初始化事件解析器
    parser, err := ethertrace.NewEventParser(contractAddr)
    if err != nil {
        fmt.Printf("Failed to create event parser: %v\n", err)
        return
    }

    // 示例 1: 获取交易收据并解析日志
    receipt, err := client.GetTxReceiptByHash(txHashExample)
    if err != nil {
        fmt.Printf("Failed to get tx receipt: %v\n", err)
        return
    }
    txResults, err := parser.ParseLogs(receipt.Logs)
    if err != nil {
        fmt.Printf("Failed to parse tx logs: %v\n", err)
        return
    }
    for _, result := range txResults {
        fmt.Printf("Tx Receipt - DataStoreID: %d, HeaderHash: %s\n", result.DataStoreID, result.HeaderHash.Hex())
    }

    // 示例 2: 获取区块范围内的日志并解析
    logs, err := client.GetLogs(big.NewInt(int64(startBlock)), big.NewInt(int64(endBlock)), []common.Address{common.HexToAddress(contractAddr)})
    if err != nil {
        fmt.Printf("Failed to get logs: %v\n", err)
        return
    }
    logResults, err := parser.ParseLogs(logs)
    if err != nil {
        fmt.Printf("Failed to parse logs: %v\n", err)
        return
    }
    for _, result := range logResults {
        fmt.Printf("Logs - DataStoreID: %d, HeaderHash: %s\n", result.DataStoreID, result.HeaderHash.Hex())
    }
}

执行 go mod tidy

Web3Wallet/ethertrace/go via 🐹 v1.24.2 
➜ go mod tidy

运行 main 文件

Web3Wallet/ethertrace/go via 🐹 v1.24.2 
➜ go run ./main.go
Tx Receipt - DataStoreID: 35258, HeaderHash: 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243
GetLogs:  [{0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0x34d57e230be557a52d94166eb9035810e61ac973182a92b09e6b0e99110665a9] [173 67 67 239 116 234 22 115 43 6 168 238 25 6 135 134 190 71 250 49 42 180 111 252 143 155 203 188 17 102 114 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211 194 27 206 204 237 161 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 96 false} {0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0xfbb7f4f1b0b9ad9e75d69d22c364e13089418d86fcb5106792a53046c0fb33aa] [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 138 247 74 220 237 98 226 119 32 201 25 189 191 165 87 183 176 180 209 84 227 250 235 54 73 198 244 242 222 237 52 86 219] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 97 false}]
err: <nil>
Logs - DataStoreID: 35210, HeaderHash: 0xf74adced62e27720c919bdbfa557b7b0b4d154e3faeb3649c6f4f2deed3456db

测试代码

client_test.go 文件

package ethertrace

import (
    "fmt"
    "github.com/stretchr/testify/assert"
    "github.com/stretchr/testify/require"
    "math/big"
    "strings"
    "testing"

    "github.com/ethereum/go-ethereum/common"
)

func TestEthClient_GetTxReceiptByHash(t *testing.T) {
    client, err := NewEthClient("https://eth.llamarpc.com")
    if err != nil {
        t.Fatalf("Failed to create client: %v", err)
    }
    defer client.Close()

    txHash := "0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e"
    receipt, err := client.GetTxReceiptByHash(txHash)
    if err != nil {
        t.Fatalf("Failed to get receipt: %v", err)
    }
    if receipt == nil {
        t.Fatal("Receipt is nil")
    }
    fmt.Println("receipt:", receipt)
}

func TestEthClient_GetLogs(t *testing.T) {
    client, err := NewEthClient("https://rpc.mevblocker.io")
    if err != nil {
        t.Fatalf("Failed to create client: %v", err)
    }
    defer client.Close()

    logs, err := client.GetLogs(big.NewInt(20483831), big.NewInt(20483833), []common.Address{common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")})
    if err != nil {
        t.Fatalf("Failed to get logs: %v", err)
    }
    if len(logs) == 0 {
        t.Log("No logs found, but test passes as query was successful")
    }
    fmt.Println("logs: ", logs)
}

func TestEthClient_GetTxReceiptByHash2(t *testing.T) {
    client, err := NewEthClient("https://eth.llamarpc.com") // 替换为测试节点
    if err != nil {
        t.Fatalf("创建 EthClient 失败: %v", err)
    }

    tests := []struct {
        name        string
        txHash      string
        expectError string
    }{
        {
            name:        "有效交易哈希",
            txHash:      "0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e",
            expectError: "",
        },
        {
            name:        "无效交易哈希",
            txHash:      "0x0000000000000000000000000000000000000000000000000000000000000000",
            expectError: "not found", // 假设节点返回此错误
        },
    }

    for _, tt := range tests {
        t.Run(tt.name, func(t *testing.T) {
            _, err := client.GetTxReceiptByHash(tt.txHash)
            if tt.expectError == "" {
                if err != nil {
                    t.Errorf("GetTxReceiptByHash 期望无错误，实际错误: %v", err)
                }
            } else {
                if err == nil || !strings.Contains(err.Error(), tt.expectError) {
                    t.Errorf("GetTxReceiptByHash 期望错误包含 %q，实际错误: %v", tt.expectError, err)
                }
            }
        })
    }
}

func TestNewEthClient(t *testing.T) {
    client, err := NewEthClient("https://rpc.mevblocker.io")
    if err != nil {
        t.Fatalf("Failed to create client: %v", err)
    }
    defer client.Close()
}

func TestNewEthClientRpcUrl(t *testing.T) {
    client, err := NewEthClient("")
    t.Log("err:", err)
    assert.EqualError(t, err, "empty RPC URL")
    // 在错误情况下不要操作 client
    if client != nil {
        client.Close() // 如果测试需要，可以手动关闭
    }

}

func TestNewEthClient_InvalidURLs(t *testing.T) {
    tests := []struct {
        name        string
        rpcURL      string
        expectError string
    }{
        {
            name:        "空地址",
            rpcURL:      "",
            expectError: "empty RPC URL",
        },
        {
            name:        "无效协议",
            rpcURL:      "ftp://localhost",
            expectError: "no known transport for URL scheme \"ftp\"",
        },
        {
            name:        "<UNK>",
            rpcURL:      "http://localhost:12w222q",
            expectError: "invalid port",
        },
        {
            name:        "非法端口",
            rpcURL:      "http://localhost:abc",
            expectError: "invalid port",
        },
    }

    for _, tt := range tests {
        t.Run(tt.name, func(t *testing.T) {
            client, err := NewEthClient(tt.rpcURL)
            t.Log("client:", client)
            t.Log("err:", err)

            // 验证错误
            require.Error(t, err, "应该返回错误")
            assert.Contains(t, err.Error(), tt.expectError, "错误信息不匹配")

            // 安全处理 client
            if client != nil {
                t.Error("错误情况下应该返回 nil client")
                client.Close()
            }
        })
    }
}

// TestEthClient_GetLogs 测试 GetLogs，包括错误路径
func TestEthClient2(t *testing.T) {
    // 捕获日志
    _, err := NewEthClient("htrpc.mevlocke")
    t.Log("err:", err)
    require.Error(t, err, "应该返回错误")
}

func TestEthClient_GetLogs2(t *testing.T) {
    client, err := NewEthClient("https://rpc.mevblocker.io")
    if err != nil {
        t.Fatalf("Failed to create client: %v", err)
    }
    defer client.Close()

    logs, err := client.GetLogs(big.NewInt(20483831), big.NewInt(0), []common.Address{common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")})
    t.Log("logs: ", logs)
    t.Log("err:", err)
    if len(logs) == 0 {
        t.Log("No logs found, but test passes as query was successful")
    }
    fmt.Println("logs: ", logs)
}

event_parser_test.go 文件

package ethertrace

import (
    "fmt"
    "strings"
    "testing"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core/types"
)

func TestEventParser_ParseLogs(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("Failed to create parser: %v", err)
    }

    // 模拟日志数据（需根据实际事件数据构造）
    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{parser.EventHash()}, // 事件哈希
            Data:    common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000089ba27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"),
        },
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Fatalf("Failed to parse logs: %v", err)
    }
    if len(results) == 0 {
        t.Log("No valid logs parsed, ensure test data is correct")
    }
    fmt.Println("results", results)
}

// 测试 NewEventParser 的各种场景
func TestNewEventParser(t *testing.T) {
    tests := []struct {
        name        string
        address     string
        expectError string
    }{
        {
            name:        "有效地址",
            address:     "0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1",
            expectError: "",
        },
        {
            name:        "无效地址",
            address:     "0xInvalidAddress",
            expectError: "无效的合约地址格式",
        },
        {
            name:        "空地址",
            address:     "",
            expectError: "合约地址不能为空",
        },
        {
            name:        "零地址",
            address:     "0x0000000000000000000000000000000000000000",
            expectError: "合约地址不能为零地址",
        },
        {
            name:        "缺少0x前缀",
            address:     "5BD63a7ECc13b955C4F57e3F12A64c10263C14c1",
            expectError: "无效的合约地址格式",
        },
    }

    for _, tt := range tests {
        t.Run(tt.name, func(t *testing.T) {
            parser, err := NewEventParser(tt.address)
            if tt.expectError == "" {
                if err != nil {
                    t.Errorf("NewEventParser(%q) 期望无错误，实际错误: %v", tt.address, err)
                }
                if parser == nil || parser.contractAddr != common.HexToAddress(tt.address) {
                    t.Errorf("NewEventParser(%q) 返回的解析器不符合预期", tt.address)
                }
            } else {
                if err == nil || !strings.Contains(err.Error(), tt.expectError) {
                    t.Errorf("NewEventParser(%q) 期望错误包含 %q，实际错误: %v", tt.address, tt.expectError, err)
                }
                if parser != nil {
                    t.Errorf("NewEventParser(%q) 期望返回 nil 解析器，实际返回: %v", tt.address, parser)
                }
            }
        })
    }
}

// 测试单个有效日志
func TestEventParser_ParseLogs_SingleValidLog(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{parser.EventHash()},
            Data:    common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000089ba27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"),
        },
    }
    expectResult := 1
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        result := results[0]
        if result.DataStoreID != 35258 {
            return fmt.Errorf("DataStoreID 期望 35258，实际 %d", result.DataStoreID)
        }
        if result.HeaderHash != common.HexToHash("0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243") {
            return fmt.Errorf("HeaderHash 不符合预期")
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '单个有效日志' 的结果: %v\n", results)
    }
}

// 测试空日志列表
func TestEventParser_ParseLogs_EmptyLogs(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := []*types.Log{}
    expectResult := 0
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '空日志列表' 的结果: %v\n", results)
    }
}

// 测试无效日志（错误地址）
func TestEventParser_ParseLogs_InvalidAddress(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := []*types.Log{
        {
            Address: common.HexToAddress("0xWrongAddress"),
            Topics:  []common.Hash{parser.EventHash()},
            Data:    common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000089ba27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"),
        },
    }
    expectResult := 0
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '无效日志（错误地址）' 的结果: %v\n", results)
    }
}

// 测试主题不匹配
func TestEventParser_ParseLogs_TopicMismatch(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{common.HexToHash("0xWrongHash")},
            Data:    common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000089ba27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"),
        },
    }
    expectResult := 0
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '主题不匹配' 的结果: %v\n", results)
    }
}

// 测试空主题
func TestEventParser_ParseLogs_EmptyTopics(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{},
            Data:    common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000089ba27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"),
        },
    }
    expectResult := 0
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '空主题' 的结果: %v\n", results)
    }
}

// 测试无效数据格式
func TestEventParser_ParseLogs_InvalidDataFormat(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{parser.EventHash()},
            Data:    common.Hex2Bytes("invalid"),
        },
    }
    expectResult := 0
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '无效数据格式' 的结果: %v\n", results)
    }
}

// 测试大量日志（压力测试）
func TestEventParser_ParseLogs_LargeNumberOfLogs(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    logs := func() []*types.Log {
        var logs []*types.Log
        for i := 0; i < 1000; i++ {
            logs = append(logs, &types.Log{
                Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
                Topics:  []common.Hash{parser.EventHash()},
                Data:    common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000089ba27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"),
            })
        }
        return logs
    }()
    expectResult := 1000
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        for i, result := range results {
            if result.DataStoreID != 35258 {
                return fmt.Errorf("第 %d 个 DataStoreID 期望 35258，实际 %d", i, result.DataStoreID)
            }
            if result.HeaderHash != common.HexToHash("0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243") {
                return fmt.Errorf("第 %d 个 HeaderHash 不符合预期", i)
            }
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '大量日志（压力测试）' 的结果: %v\n", results[:5])
    }
}

// 测试无效 dataStoreId 类型
func TestEventParser_ParseLogs_InvalidDataStoreIDType(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("创建 EventParser 失败: %v", err)
    }

    // 构造一个 Data 字段，尝试使 dataStoreId 被解析为非 uint32 类型
    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{parser.EventHash()},
            Data:    common.Hex2Bytes("000000000000000000000000000000000000000000000000000000010000000027bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"), // dataStoreId 为 uint64
        },
    }
    expectResult := 0
    validate := func(results []ConfirmDataStoreData) error {
        if len(results) != expectResult {
            return fmt.Errorf("期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
        }
        return nil
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Errorf("ParseLogs 期望无错误，实际错误: %v", err)
    }
    if len(results) != expectResult {
        t.Errorf("ParseLogs 期望 %d 个结果，实际得到 %d 个", expectResult, len(results))
    }
    if err := validate(results); err != nil {
        t.Errorf("结果验证失败: %v", err)
    }
    if len(results) > 0 {
        fmt.Printf("测试 '无效 dataStoreId 类型' 的结果: %v\n", results)
    }
}

// 测试 ParseLogs 的类型断言错误路径
func TestEventParser_ParseLogs_TypeErrors(t *testing.T) {
    parser, err := NewEventParser("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1")
    if err != nil {
        t.Fatalf("Failed to create parser: %v", err)
    }

    // 构造日志数据：uint64 和动态 bytes
    logs := []*types.Log{
        {
            Address: common.HexToAddress("0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1"),
            Topics:  []common.Hash{parser.eventHash},
            Data: common.Hex2Bytes(
                "00000000000000000000000000000000000000000000000000000000000089ba" + // uint64 dataStoreId = 35226
                    "0000000000000000000000000000000000000000000000000000000000000020" + // bytes 偏移量
                    "0000000000000000000000000000000000000000000000000000000000000020" + // bytes 长度 = 32
                    "27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243"), // bytes 数据
        },
    }

    results, err := parser.ParseLogs(logs)
    if err != nil {
        t.Fatalf("Failed to parse logs: %v", err)
    }
    if len(results) == 0 {
        t.Log("No valid logs parsed, ensure test data is correct")
    }
}

运行测试

ethertrace/go/ethertrace via 🐹 v1.24.2 took 4.2s 
➜ go test
receipt: &{2 [] 1 4504702 [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 128 0 0 0 0 0 0 0 0 0 0 0 0 0 64 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0] [0x140001d24d0 0x140001d2580] 0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e 0x0000000000000000000000000000000000000000 217366 1983676084 0 <nil> 0x7efe14a2db20d977d1267d7701e3fb5e40ddbbc5ac31af3326e4194e84522eec 20487721 62}
GetLogs:  [{0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0x34d57e230be557a52d94166eb9035810e61ac973182a92b09e6b0e99110665a9] [173 67 67 239 116 234 22 115 43 6 168 238 25 6 135 134 190 71 250 49 42 180 111 252 143 155 203 188 17 102 114 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211 194 27 206 204 237 161 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 96 false} {0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0xfbb7f4f1b0b9ad9e75d69d22c364e13089418d86fcb5106792a53046c0fb33aa] [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 138 247 74 220 237 98 226 119 32 201 25 189 191 165 87 183 176 180 209 84 227 250 235 54 73 198 244 242 222 237 52 86 219] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 97 false}]
err: <nil>
logs:  [0x1400015c000 0x1400015c0a8]
GetLogs:  []
err: end (0) < begin (20483831)
logs:  []
results [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
测试 '单个有效日志' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
测试 '大量日志（压力测试）' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc3002d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
PASS
ok      github.com/qiaopengjun5162/ethertrace/go/ethertrace     2.773s

ethertrace/go/ethertrace via 🐹 v1.24.2 took 4.2s 
➜ go test -v                        
=== RUN   TestEthClient_GetTxReceiptByHash
receipt: &{2 [] 1 4504702 [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 128 0 0 0 0 0 0 0 0 0 0 0 0 0 64 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0] [0x140003b80b0 0x140003b8160] 0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e 0x0000000000000000000000000000000000000000 217366 1983676084 0 <nil> 0x7efe14a2db20d977d1267d7701e3fb5e40ddbbc5ac31af3326e4194e84522eec 20487721 62}
--- PASS: TestEthClient_GetTxReceiptByHash (0.52s)
=== RUN   TestEthClient_GetLogs
GetLogs:  [{0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0x34d57e230be557a52d94166eb9035810e61ac973182a92b09e6b0e99110665a9] [173 67 67 239 116 234 22 115 43 6 168 238 25 6 135 134 190 71 250 49 42 180 111 252 143 155 203 188 17 102 114 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211 194 27 206 204 237 161 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 96 false} {0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0xfbb7f4f1b0b9ad9e75d69d22c364e13089418d86fcb5106792a53046c0fb33aa] [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 138 247 74 220 237 98 226 119 32 201 25 189 191 165 87 183 176 180 209 84 227 250 235 54 73 198 244 242 222 237 52 86 219] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 97 false}]
err: <nil>
logs:  [0x140000b4000 0x140000b40a8]
--- PASS: TestEthClient_GetLogs (1.38s)
=== RUN   TestEthClient_GetTxReceiptByHash2
=== RUN   TestEthClient_GetTxReceiptByHash2/有效交易哈希
=== RUN   TestEthClient_GetTxReceiptByHash2/无效交易哈希
--- PASS: TestEthClient_GetTxReceiptByHash2 (0.61s)
    --- PASS: TestEthClient_GetTxReceiptByHash2/有效交易哈希 (0.30s)
    --- PASS: TestEthClient_GetTxReceiptByHash2/无效交易哈希 (0.31s)
=== RUN   TestNewEthClient
--- PASS: TestNewEthClient (0.00s)
=== RUN   TestNewEthClientRpcUrl
    client_test.go:98: err: empty RPC URL
--- PASS: TestNewEthClientRpcUrl (0.00s)
=== RUN   TestNewEthClient_InvalidURLs
=== RUN   TestNewEthClient_InvalidURLs/空地址
    client_test.go:138: client: <nil>
    client_test.go:139: err: empty RPC URL
=== RUN   TestNewEthClient_InvalidURLs/无效协议
    client_test.go:138: client: <nil>
    client_test.go:139: err: no known transport for URL scheme "ftp"
=== RUN   TestNewEthClient_InvalidURLs/<UNK>
    client_test.go:138: client: <nil>
    client_test.go:139: err: parse "http://localhost:12w222q": invalid port ":12w222q" after host
=== RUN   TestNewEthClient_InvalidURLs/非法端口
    client_test.go:138: client: <nil>
    client_test.go:139: err: parse "http://localhost:abc": invalid port ":abc" after host
--- PASS: TestNewEthClient_InvalidURLs (0.00s)
    --- PASS: TestNewEthClient_InvalidURLs/空地址 (0.00s)
    --- PASS: TestNewEthClient_InvalidURLs/无效协议 (0.00s)
    --- PASS: TestNewEthClient_InvalidURLs/<UNK> (0.00s)
    --- PASS: TestNewEthClient_InvalidURLs/非法端口 (0.00s)
=== RUN   TestEthClient2
    client_test.go:158: err: dial unix htrpc.mevlocke: connect: no such file or directory
--- PASS: TestEthClient2 (0.00s)
=== RUN   TestEthClient_GetLogs2
GetLogs:  []
err: end (0) < begin (20483831)
    client_test.go:170: logs:  []
    client_test.go:171: err: end (0) < begin (20483831)
    client_test.go:173: No logs found, but test passes as query was successful
logs:  []
--- PASS: TestEthClient_GetLogs2 (0.30s)
=== RUN   TestEventParser_ParseLogs
results [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
--- PASS: TestEventParser_ParseLogs (0.00s)
=== RUN   TestNewEventParser
=== RUN   TestNewEventParser/有效地址
=== RUN   TestNewEventParser/无效地址
=== RUN   TestNewEventParser/空地址
=== RUN   TestNewEventParser/零地址
=== RUN   TestNewEventParser/缺少0x前缀
--- PASS: TestNewEventParser (0.00s)
    --- PASS: TestNewEventParser/有效地址 (0.00s)
    --- PASS: TestNewEventParser/无效地址 (0.00s)
    --- PASS: TestNewEventParser/空地址 (0.00s)
    --- PASS: TestNewEventParser/零地址 (0.00s)
    --- PASS: TestNewEventParser/缺少0x前缀 (0.00s)
=== RUN   TestEventParser_ParseLogs_SingleValidLog
测试 '单个有效日志' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
--- PASS: TestEventParser_ParseLogs_SingleValidLog (0.00s)
=== RUN   TestEventParser_ParseLogs_EmptyLogs
--- PASS: TestEventParser_ParseLogs_EmptyLogs (0.00s)
=== RUN   TestEventParser_ParseLogs_InvalidAddress
--- PASS: TestEventParser_ParseLogs_InvalidAddress (0.00s)
=== RUN   TestEventParser_ParseLogs_TopicMismatch
--- PASS: TestEventParser_ParseLogs_TopicMismatch (0.00s)
=== RUN   TestEventParser_ParseLogs_EmptyTopics
--- PASS: TestEventParser_ParseLogs_EmptyTopics (0.00s)
=== RUN   TestEventParser_ParseLogs_InvalidDataFormat
--- PASS: TestEventParser_ParseLogs_InvalidDataFormat (0.00s)
=== RUN   TestEventParser_ParseLogs_LargeNumberOfLogs
测试 '大量日志（压力测试）' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc3002d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
--- PASS: TestEventParser_ParseLogs_LargeNumberOfLogs (0.01s)
=== RUN   TestEventParser_ParseLogs_InvalidDataStoreIDType
--- PASS: TestEventParser_ParseLogs_InvalidDataStoreIDType (0.00s)
=== RUN   TestEventParser_ParseLogs_TypeErrors
--- PASS: TestEventParser_ParseLogs_TypeErrors (0.00s)
PASS
ok      github.com/qiaopengjun5162/ethertrace/go/ethertrace     3.027s

终端查看当前测试覆盖率

ethertrace/go/ethertrace via 🐹 v1.24.2 took 3.6s 
➜  go test -cover
receipt: &{2 [] 1 4504702 [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 128 0 0 0 0 0 0 0 0 0 0 0 0 0 64 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0] [0x1400015e000 0x1400015e0b0] 0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e 0x0000000000000000000000000000000000000000 217366 1983676084 0 <nil> 0x7efe14a2db20d977d1267d7701e3fb5e40ddbbc5ac31af3326e4194e84522eec 20487721 62}
GetLogs:  [{0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0x34d57e230be557a52d94166eb9035810e61ac973182a92b09e6b0e99110665a9] [173 67 67 239 116 234 22 115 43 6 168 238 25 6 135 134 190 71 250 49 42 180 111 252 143 155 203 188 17 102 114 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211 194 27 206 204 237 161 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 96 false} {0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0xfbb7f4f1b0b9ad9e75d69d22c364e13089418d86fcb5106792a53046c0fb33aa] [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 138 247 74 220 237 98 226 119 32 201 25 189 191 165 87 183 176 180 209 84 227 250 235 54 73 198 244 242 222 237 52 86 219] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 97 false}]
err: <nil>
logs:  [0x14000176420 0x140001764c8]
GetLogs:  []
err: end (0) < begin (20483831)
logs:  []
results [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
测试 '单个有效日志' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
测试 '大量日志（压力测试）' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc3002d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
PASS
coverage: 100.0% of statements
ok      github.com/qiaopengjun5162/ethertrace/go/ethertrace     2.935s

这个输出结果表示测试运行成功，并且达到了 100% 的代码覆盖率！

生成可视化报告

生成覆盖率数据文件

ethertrace/go/ethertrace via 🐹 v1.24.2 took 4.4s 
➜ go test -coverprofile=coverage.out

receipt: &{2 [] 1 4504702 [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 128 0 0 0 0 0 0 0 0 0 0 0 0 0 64 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32 0 0 0 0 0] [0x1400015e000 0x1400015e0b0] 0xfd26d40e17213bcafcf94bab9af92343302df9df970f20e1c9d515525e86e23e 0x0000000000000000000000000000000000000000 217366 1983676084 0 <nil> 0x7efe14a2db20d977d1267d7701e3fb5e40ddbbc5ac31af3326e4194e84522eec 20487721 62}
GetLogs:  [{0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0x34d57e230be557a52d94166eb9035810e61ac973182a92b09e6b0e99110665a9] [173 67 67 239 116 234 22 115 43 6 168 238 25 6 135 134 190 71 250 49 42 180 111 252 143 155 203 188 17 102 114 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211 194 27 206 204 237 161 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 96 false} {0x5BD63a7ECc13b955C4F57e3F12A64c10263C14c1 [0xfbb7f4f1b0b9ad9e75d69d22c364e13089418d86fcb5106792a53046c0fb33aa] [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 137 138 247 74 220 237 98 226 119 32 201 25 189 191 165 87 183 176 180 209 84 227 250 235 54 73 198 244 242 222 237 52 86 219] 20483832 0xbc00672e67935e54c08d895b88fe41aa5cf664dc8f855836c7d26726e0c59ea4 132 0xc4254a63b8ef260bf3e271ff7c38b97817d08c7195600c0b2e0de404ec11d798 97 false}]
err: <nil>
logs:  [0x14000260840 0x140002608e8]
GetLogs:  []
err: end (0) < begin (20483831)
logs:  []
results [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
测试 '单个有效日志' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
测试 '大量日志（压力测试）' 的结果: [{35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc3002d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243} {35258 0x27bc30064cc44c6aef26ca2d7e4ee667592949a50f4f01d8d4632461a12f2243}]
PASS
coverage: 100.0% of statements
ok      github.com/qiaopengjun5162/ethertrace/go/ethertrace     2.486s

生成HTML报告（自动在浏览器打开）

ethertrace/go/ethertrace via 🐹 v1.24.2 took 3.9s 
➜ go tool cover -html=coverage.out

浏览器查看测试覆盖率

client.go 文件

image-20250428151815203.png

event_parser.go文件

image-20250428151836109.png

确认测试覆盖率达到100%！

总结

通过本文的实战之旅，我们用 Go 语言打造了一个强大的 Web3 数据神器，成功解锁以太坊事件解析的秘密！从连接以太坊节点到提取交易收据和区块日志，再到精准解析 ConfirmDataStore 事件，项目展示了 Go 在区块链开发中的高效与优雅。以下是核心亮点：

  1. 模块化设计：client.go 和 event_parser.go 分离网络和解析逻辑，代码清晰易维护。
  2. 极致可靠性：全面测试用例覆盖正常和异常场景，100% 测试覆盖率确保代码稳如磐石。
  3. 高扩展性：项目结构支持扩展到其他事件解析或多链数据处理，适合多样化场景。
  4. 实用性强：提供了可直接复用的代码框架，降低 Web3 开发的入门门槛。

对于 Web3 开发者，这是一个理想的起点。你可以基于此项目优化性能、支持实时事件监听，或扩展到其他区块链生态。未来，尝试加入多链兼容、并发处理或错误重试机制，将让你的工具更上一层楼！想深入探索？文末参考资料为你提供 Go 和以太坊开发的宝贵资源。快来动手实践，解锁属于你的 Web3 数据世界！

参考

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