0g-chain/x/auction/client/rest/query.go
Ruaridh f01a3f46ee
Auction cli/rest fixes (#319)
* cleanup auction tx cli

* add querier for getting one auction

* missed querier fixes

* update querier tests

* add msg struct tags

* add auction rest endpoint and tidy

* add struct tags to auctions

* minor UX tweaks
2020-01-21 17:41:37 +00:00

98 lines
2.8 KiB
Go

package rest
import (
"fmt"
"net/http"
"github.com/gorilla/mux"
"github.com/cosmos/cosmos-sdk/client/context"
"github.com/cosmos/cosmos-sdk/types/rest"
"github.com/kava-labs/kava/x/auction/types"
)
const RestAuctionID = "auction-id"
func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc(fmt.Sprintf("/auction/auctions/{%s}", RestAuctionID), queryAuctionHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc("/auction/auctions", queryAuctionsHandlerFn(cliCtx)).Methods("GET")
r.HandleFunc("/auction/parameters", getParamsHandlerFn(cliCtx)).Methods("GET")
}
func queryAuctionHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// Parse the query height
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
// Prepare params for querier
vars := mux.Vars(r)
if len(vars[RestAuctionID]) == 0 {
err := fmt.Errorf("%s required but not specified", RestAuctionID)
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
auctionID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestAuctionID])
if !ok {
return
}
bz, err := cliCtx.Codec.MarshalJSON(types.QueryAuctionParams{AuctionID: auctionID})
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
// Query
res, height, err := cliCtx.QueryWithData("custom/gov/proposal", bz)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Decode and return results
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func queryAuctionsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// Parse the query height
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
// Get all auctions
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("/custom/auction/%s", types.QueryGetAuctions), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusNotFound, err.Error())
return
}
// Return auctions
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}
func getParamsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// Parse the query height
cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
if !ok {
return
}
// Get the params
res, height, err := cliCtx.QueryWithData(fmt.Sprintf("custom/auction/%s", types.QueryGetParams), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
// Return the params
cliCtx = cliCtx.WithHeight(height)
rest.PostProcessResponse(w, cliCtx, res)
}
}