300 lines
8.1 KiB
Go
300 lines
8.1 KiB
Go
package server
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"log"
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"m2pool-payment/internal/blockchain"
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"m2pool-payment/internal/blockchain/eth"
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"m2pool-payment/internal/crypto"
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message "m2pool-payment/internal/msg"
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rmq "m2pool-payment/internal/queue"
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"os"
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"os/signal"
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"strings"
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"syscall"
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)
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const MSG_KEY string = "9f3c7a12"
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// 状态码常量
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const (
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STATUS_FAILED = 0 // 失败
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STATUS_SUCCESS = 1 // 成功
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STATUS_PENDING = 2 // 待确认
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STATUS_VERIFY_FAILED = 3 // 验证失败
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)
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type ServerCtx struct {
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msgKey string
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Config message.Config
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blockChainServer *blockchain.BlockChainServer
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rmqServer *rmq.RabbitMQServer
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}
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var s_ctx ServerCtx
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// verifyMessage 验证消息签名
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func verifyMessage(timestamp uint64, sign string) bool {
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hash_byte := crypto.Sha256Hash(fmt.Sprintf("%x", timestamp) + MSG_KEY)
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hash := hex.EncodeToString(hash_byte)
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return hash == sign
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}
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func loadConfig(msgKey string) {
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file, err := os.ReadFile("config.json")
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if err != nil {
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panic(fmt.Sprintf("读取配置文件失败: %v", err))
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}
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err = json.Unmarshal(file, &s_ctx.Config)
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if err != nil {
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panic(fmt.Sprintf("解析配置文件失败: %v", err))
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}
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log.Printf("✅ 配置加载成功: RPC=%s, WS=%s",
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s_ctx.Config.ETHConfig.RpcURL, s_ctx.Config.ETHConfig.WsURL)
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s_ctx.msgKey = msgKey
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}
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func initBlockChainServer() {
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// 初始化节点服务
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node_server := blockchain.NewBlockChainServer()
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// 初始化ETH节点
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eth_node, err := eth.NewETHNode(s_ctx.Config.ETHConfig, "m2pool")
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if err != nil {
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log.Fatalf("ETH-Node Start error: %v", err)
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}
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// 注册ETH节点
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node_server.RegisterChain("ETH", eth_node)
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// 将所有注册的blockChainServer绑定至server
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s_ctx.blockChainServer = node_server
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log.Println("✅ 区块链服务初始化完成")
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}
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func initRmqServer() {
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// 初始化rmq服务
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rmq_server, err := rmq.NewRabbitMQServer(s_ctx.Config.RMQConfig)
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if err != nil {
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log.Fatalf("RabbitMQ Server Start error: %v", err)
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}
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// 将rmq服务绑定至server
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s_ctx.rmqServer = rmq_server
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log.Printf("✅ RabbitMQ服务初始化完成: %s", s_ctx.Config.RMQConfig.SubAddr)
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}
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func handleTopupMsg() {
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s_ctx.rmqServer.OnTopupMsg = func(msg message.TopupMsg_req) {
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msg.Address = strings.ToLower(msg.Address)
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// 验证签名
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if !verifyMessage(msg.Timestamp, msg.Sign) {
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err := s_ctx.rmqServer.PublishTopupResp(message.TopupMsg_resp{
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Address: msg.Address,
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Status: STATUS_VERIFY_FAILED,
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Chain: msg.Chain,
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Symbol: msg.Symbol,
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Amount: 0,
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TxHash: "",
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})
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if err != nil {
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log.Printf("❌ 发布充值失败响应失败: %v", err)
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}
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return
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}
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// 添加监听地址
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s_ctx.blockChainServer.AddAddress(msg.Chain, msg.Address, msg)
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}
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}
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func handleWithdrawMsg() {
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s_ctx.rmqServer.OnWithdrawMsg = func(msg message.WithdrawMsg_req) {
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msg.FromAddress = strings.ToLower(msg.FromAddress)
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msg.ToAddress = strings.ToLower(msg.ToAddress)
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// 验证签名
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if !verifyMessage(msg.Timestamp, msg.Sign) {
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err := s_ctx.rmqServer.PublishWithdrawResp(message.WithdrawMsg_resp{
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QueueId: msg.QueueId,
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Status: STATUS_VERIFY_FAILED,
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Chain: msg.Chain,
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Symbol: msg.Symbol,
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Amount: 0,
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TxHash: "",
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})
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if err != nil {
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log.Printf("❌ 发布提现失败响应失败: %v", err)
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}
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return
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}
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// 执行转账
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err := s_ctx.blockChainServer.Transfer(msg.Chain, msg.Symbol, msg)
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if err != nil {
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log.Printf("❌ 提现转账失败: %v", err)
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// 发送失败响应
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s_ctx.rmqServer.PublishWithdrawResp(message.WithdrawMsg_resp{
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QueueId: msg.QueueId,
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Status: STATUS_FAILED,
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Amount: msg.Amount,
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Chain: msg.Chain,
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Symbol: msg.Symbol,
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TxHash: "",
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})
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}
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}
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}
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func handlePayMsg() {
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s_ctx.rmqServer.OnPayMsg = func(msg message.PayMsg_req) {
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msg.FromAddress = strings.ToLower(msg.FromAddress)
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msg.ToAddress = strings.ToLower(msg.ToAddress)
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// 验证签名
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if !verifyMessage(msg.Timestamp, msg.Sign) {
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err := s_ctx.rmqServer.PublishPayResp(message.PayMsg_resp{
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QueueId: msg.QueueId,
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Status: STATUS_VERIFY_FAILED,
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Amount: msg.Amount,
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Chain: msg.Chain,
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Symbol: msg.Symbol,
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OrderId: msg.OrderId,
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TxHash: "",
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})
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if err != nil {
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log.Printf("❌ 发布支付失败响应失败: %v", err)
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}
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return
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}
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// 执行转账
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err := s_ctx.blockChainServer.Transfer(msg.Chain, msg.Symbol, msg)
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if err != nil {
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log.Printf("❌ 支付转账失败: %v", err)
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// 发送失败响应
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s_ctx.rmqServer.PublishPayResp(message.PayMsg_resp{
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QueueId: msg.QueueId,
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Status: STATUS_FAILED,
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Amount: msg.Amount,
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Chain: msg.Chain,
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Symbol: msg.Symbol,
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OrderId: msg.OrderId,
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TxHash: "",
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})
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}
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}
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}
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func initRmqListen() {
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// ================== 设置 RabbitMQ 消息处理回调 ==================
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// 先设置所有回调（同步执行，避免竞态）
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handleTopupMsg()
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handleWithdrawMsg()
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handlePayMsg()
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// 回调设置完成后，再启动 RabbitMQ 监听
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if err := s_ctx.rmqServer.Start(); err != nil {
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log.Fatalf("启动 RabbitMQ 监听失败: %v", err)
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}
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log.Println("✅ RabbitMQ 监听启动完成")
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}
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func handleChainEvent(chainEventCh chan any) {
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for event := range chainEventCh {
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// 添加 panic 恢复，防止单个消息处理错误导致整个 goroutine 退出
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func() {
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defer func() {
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if r := recover(); r != nil {
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log.Printf("❌ 处理链上事件 panic: %v, event: %+v", r, event)
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}
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}()
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// 根据消息类型发送不同的响应
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switch msg := event.(type) {
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case message.TopupMsg_resp:
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// 充值确认
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if msg.Status == STATUS_PENDING {
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log.Printf("📨 [链上] 充值待确认: Address=%s, Amount=%.2f, TxHash=%s",
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msg.Address, msg.Amount, msg.TxHash)
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} else {
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log.Printf("✅ [链上] 充值确认: Address=%s, Amount=%.2f, TxHash=%s, Status=%d",
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msg.Address, msg.Amount, msg.TxHash, msg.Status)
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}
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err := s_ctx.rmqServer.PublishTopupResp(msg)
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if err != nil {
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log.Printf("❌ 发送充值响应失败: %v", err)
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}
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case message.WithdrawMsg_resp:
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// 提现确认
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log.Printf("✅ [链上] 提现确认: QueueId=%s, Amount=%.2f, TxHash=%s, Status=%d",
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msg.QueueId, msg.Amount, msg.TxHash, msg.Status)
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err := s_ctx.rmqServer.PublishWithdrawResp(msg)
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if err != nil {
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log.Printf("❌ 发送提现响应失败: %v", err)
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}
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case message.PayMsg_resp:
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// 支付确认
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log.Printf("✅ [链上] 支付确认: QueueId=%s, OrderId=%s, Amount=%.2f, TxHash=%s, Status=%d",
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msg.QueueId, msg.OrderId, msg.Amount, msg.TxHash, msg.Status)
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err := s_ctx.rmqServer.PublishPayResp(msg)
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if err != nil {
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log.Printf("❌ 发送支付响应失败: %v", err)
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}
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default:
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log.Printf("⚠️ 未知消息类型: %T", event)
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}
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}()
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}
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}
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func Start(msgKey string) {
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log.Println("========================================")
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log.Println("🚀 M2Pool Payment System Starting...")
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log.Println("========================================")
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// 加载配置
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loadConfig(msgKey)
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// ================== 初始化区块链节点 ==================
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initBlockChainServer()
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// ================== 初始化 RabbitMQ 服务 ==================
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initRmqServer()
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// ================== 启动链上事件监听通道 ==================
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chainEventCh := make(chan any, 1000) // 增加缓冲区，避免高并发丢消息
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go s_ctx.blockChainServer.Listen("ETH", "USDT", chainEventCh)
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// ================== 启动 RabbitMQ 监听 ==================
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initRmqListen()
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// ================== 处理链上确认事件 ==================
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go handleChainEvent(chainEventCh)
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log.Println("========================================")
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log.Println("🎉 所有服务启动完成！")
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log.Println("========================================")
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// ================== 等待退出信号 ==================
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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<-sigCh
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// 优雅关闭
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log.Println("========================================")
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log.Println("🛑 收到退出信号，正在关闭服务...")
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log.Println("========================================")
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s_ctx.blockChainServer.Stop("ETH")
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s_ctx.rmqServer.Close()
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log.Println("👋 服务已全部关闭")
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}
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