package main import ( "errors" "net/http" "github.com/VictoriaMetrics/metrics" "github.com/go-playground/validator/v10" "github.com/grassrootseconomics/cic-custodial/internal/api" "github.com/grassrootseconomics/cic-custodial/internal/custodial" "github.com/hibiken/asynq" "github.com/labstack/echo/v4" ) // Bootstrap API server. func initApiServer(custodialContainer *custodial.Custodial) *echo.Echo { lo.Debug("api: bootstrapping api server") server := echo.New() server.HideBanner = true server.HidePort = true server.HTTPErrorHandler = func(err error, c echo.Context) { // Handle asynq duplication errors across all api handlers. if errors.Is(err, asynq.ErrTaskIDConflict) { c.JSON(http.StatusForbidden, api.ErrResp{ Ok: false, Code: api.DUPLICATE_ERROR, Message: "Request with duplicate tracking id submitted.", }) return } if _, ok := err.(validator.ValidationErrors); ok { c.JSON(http.StatusForbidden, api.ErrResp{ Ok: false, Code: api.VALIDATION_ERROR, Message: err.(validator.ValidationErrors).Error(), }) return } // Log internal server error for further investigation. lo.Error("api:", "path", c.Path(), "err", err) c.JSON(http.StatusInternalServerError, api.ErrResp{ Ok: false, Code: api.INTERNAL_ERROR, Message: "Internal server error.", }) } if ko.Bool("service.metrics") { server.GET("/metrics", func(c echo.Context) error { metrics.WritePrometheus(c.Response(), true) return nil }) } customValidator := validator.New() customValidator.RegisterValidation("eth_checksum", api.EthChecksumValidator) server.Validator = &api.Validator{ ValidatorProvider: customValidator, } apiRoute := server.Group("/api") apiRoute.POST("/account/create", api.CreateAccountHandler(custodialContainer)) apiRoute.POST("/sign/transfer", api.SignTransferHandler(custodialContainer)) apiRoute.GET("/track/:trackingId", api.TxStatus(custodialContainer.PgStore)) return server }