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package api
import (
"encoding/json"
"net/http"
"github.com/ethereum-optimism/optimism/indexer/database"
"github.com/ethereum/go-ethereum/common"
"github.com/go-chi/chi/v5"
)
type PaginationResponse struct {
// TODO type this better
Data interface{} `json:"data"`
Cursor string `json:"cursor"`
HasNextPage bool `json:"hasNextPage"`
}
func (a *Api) L1DepositsHandler(w http.ResponseWriter, r *http.Request) {
bv := a.BridgeTransfersView
address := common.HexToAddress(chi.URLParam(r, "address"))
// limit := getIntFromQuery(r, "limit", 10)
// cursor := r.URL.Query().Get("cursor")
// sortDirection := r.URL.Query().Get("sortDirection")
deposits, err := bv.L1BridgeDepositsByAddress(address)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// This is not the shape of the response we want!!!
// will add in the individual features in future prs 1 by 1
response := PaginationResponse{
Data: deposits,
// Cursor: nextCursor,
HasNextPage: false,
}
jsonResponse(w, response, http.StatusOK)
}
func (a *Api) L2WithdrawalsHandler(w http.ResponseWriter, r *http.Request) {
bv := a.BridgeTransfersView
address := common.HexToAddress(chi.URLParam(r, "address"))
// limit := getIntFromQuery(r, "limit", 10)
// cursor := r.URL.Query().Get("cursor")
// sortDirection := r.URL.Query().Get("sortDirection")
withdrawals, err := bv.L2BridgeWithdrawalsByAddress(address)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// This is not the shape of the response we want!!!
// will add in the individual features in future prs 1 by 1
response := PaginationResponse{
Data: withdrawals,
// Cursor: nextCursor,
HasNextPage: false,
}
jsonResponse(w, response, http.StatusOK)
}
func (a *Api) HealthzHandler(w http.ResponseWriter, r *http.Request) {
jsonResponse(w, "ok", http.StatusOK)
}
func jsonResponse(w http.ResponseWriter, data interface{}, statusCode int) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(statusCode)
if err := json.NewEncoder(w).Encode(data); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
type Api struct {
Router *chi.Mux
BridgeTransfersView database.BridgeTransfersView
}
func NewApi(bv database.BridgeTransfersView) *Api {
r := chi.NewRouter()
api := &Api{Router: r, BridgeTransfersView: bv}
// these regex are .+ because I wasn't sure what they should be
// don't want a regex for addresses because would prefer to validate the address
// with go-ethereum and throw a friendly error message
r.Get("/api/v0/deposits/{address:.+}", api.L1DepositsHandler)
r.Get("/api/v0/withdrawals/{address:.+}", api.L2WithdrawalsHandler)
r.Get("/healthz", api.HealthzHandler)
return api
}
func (a *Api) Listen(port string) error {
return http.ListenAndServe(port, a.Router)
}