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package main

import (
    "github.com/gin-gonic/gin"
    "github.com/trustportidentity/beacon-go"
)

func main() {
    // Initialize TrustPort Beacon SDK with your License Key
    beacon.Init(beacon.Config{
        IngestURL:   "https://beacon-api.trustportidentity.com",
        APIKey:      "tp_live_9f8a3c4e12", // License Key from Console
        ServiceName: "payment-service",
        Environment: "production",
    })
    defer beacon.Close()

    r := gin.Default()

    // Attach automatic trace middleware
    r.Use(beacon.GinMiddleware("payment-service"))

    r.POST("/api/v1/charge", func(c *gin.Context) {
        ctx := c.Request.Context()
        
        // Record custom trace span for database query
        span := beacon.StartSpan(ctx, "db.query.charge_account")
        defer span.End()

        c.JSON(200, gin.H{"status": "charged", "trace_id": beacon.TraceID(ctx)})
    })

    r.Run(":8080")
}